Melanoma-initiating cells identified by study by Krista Conger, News release, Stanford School of Medicine, June 30, 2010. Excerpt:

Scientists at the School of Medicine have identified a cancer-initiating cell in human melanomas. The finding is significant because the existence of such a cell in the aggressive skin cancer has been a source of debate. It may also explain why current immunotherapies are largely unsuccessful in preventing disease recurrence in human patients.

The news release is about this publication: Human melanoma-initiating cells express neural crest nerve growth factor receptor CD271 by Alexander D Boiko and 11 co-authors, including Irving L. Weissman, Nature 2010(Jul 1); 466(7302): 133-7. [FriendFeed entry].

A blog post about this same publication is: Stanford scientists identify a melanoma-initiating cell by Krista Conger, Scope blog, Stanford School of Medicine, June 20, 2010.

See also a commentary about the publication: Cancer stem cells: Invitation to a second round by Peter Dirks, Nature 2010(Jul 1); 466(7302): 40-1. Excerpt:

Boiko et al. study a type of human skin cancer called melanoma and, in particular, cancer cells enriched in a stem-cell marker called CD271. They find that, unlike other cells from the same tumour, CD271-expressing (CD271+) cells could initiate and maintain tumour growth in vivo — an observation consistent with the existence of a melanoma-cell functional hierarchy.

This finding reflects a view different from that of an earlier study by Quintana et al.[3], which demonstrated that, in some cases, as many as 50% of human melanoma cells have tumorigenic potential. In addition, no marker tested identified a tumorigenic subpopulation. The authors[3] concluded that the frequency of cancer cells that can initiate tumorigenesis depends, in part, on the assessment techniques and assays.

Another news item, based on the same publication, is: New hope in fight against skin cancer as deadly 'master cells' are identified for first time, Mail Online, July 1, 2010. Excerpt:

However Dr Alexander Boiko, who made the discovery at Stanford University, said the newly discovered 'stem cells' in advanced skin cancers were often missed by conventional immunotherapy.

'Without wiping out the cells at the root of the cancer, the treatment will fail,' he said.

Comments: Boiko et al. and Dirks suggest reasons why results different from those of Quintana et al. were obtained. One possibility is that the melanomas that the latter authors studied were at an advanced stage. If, as a cancer progresses, more cells acquire the attributes of cancer stem cells, then advanced melanomas may contain very high frequencies of tumorigenic cells.

As Boiko et al. point out in their publication, "The most crucial test of the tumour stem cell hypothesis is that markers or pathways restricted to tumour stem cells can be targets for curative therapies in the patient, which has not yet been done."

The following is an excerpt from the June 29, 2010 Breakthrough Technology Alert, published by Agora Financial. Agora Financial is a fully independent publisher and has no financial connections to companies listed below. Breakthrough Technology Alert’s editor is industry expert Patrick Cox. Patrick is renowned for his innovative forecasts and keeping readers “ahead of the story”.



For more information about Patrick Cox and Breakthrough Technology Alert please visit http://www.agorafinancial.com

Q&A with ISCO



International Stem Cell Corp. (OTCBB: ISCO) has also been the target of rumor campaigns. ISCO, incidentally, recently announced further positive IP news. Specifically, Advanced Cell Technology, Inc. (ACT) was just issued U.S. Patent Number 7736896 covering a method for producing retinal pigment epithelial cells. ISCO, however, had previously acquired rights to this technology from ACT, so the award solidifies their position in stem cell eye therapies.

ISCO's corneal research also got an unexpected boost last week, though it's not clear how many people know it yet. A stem cell breakthrough from Italy made quite a few headlines. The article that provoked the coverage was in the June 23 online version of The New England Journal of Medicine (NEJM). Specifically, it featured clinical research from professor Graziella Pellegrini et al. titled "Limbal Stem-Cell Therapy and Long-Term Corneal Regeneration." A helpful video by ABC News can be viewed here.



The coverage of the journal article is, however, incomplete. So let me put it in perspective.

The procedure made use of the well-established practice of extracting and cultivating limbal stem cells. Each of the patients, in effect, had stem cells removed from at least one eye. Once the adult stem cells were multiplied in the lab, they were applied to the cornea. There, they regenerated the corneal epithelium (the outermost thin layer of the cornea), restoring sight.

This is wonderful proof of the power of stem cells, but it doesn't represent a breakthrough in terms of basic science or investment possibilities. This is because the cost of extracting these surviving stem cells is very high. So is multiplying and reattaching them. The only reason the experiments were even allowed to proceed is that all the cell materials come from the subjects of the procedures. They would not have been allowed if, for example, scientists wanted to use the stem cells from one patient to treat another patient. Nor is it clear to what extent, if any, a company can patent these procedures.

On the other hand, the Italian procedures were most successful when they were combined with the implantation of replacement corneal structures. Those replacement corneas cannot be regenerated from limbal stem cells. In fact, they came from cadavers.

ISCO, however, is now able to grow them in the lab to produce cheaper, safer corneas. ISCO is involved in discussions with various companies to commercialize those parthenogenic corneal structures.

For most patients, who have enough of their own stem cells to regenerate the corneal epithelium, ISCO's corneas are all that are required to recover sight. Eventually, in fact, I suspect that ISCO will also have off-the-shelf limbal stem cells that will regenerate the corneal epithelial too. These cells would be from each of ISCO's cell bank lines. Now being established, it will include 50-100 cell lines that immune match most of the world's population. No other company has this ability to provide inexpensive stem cells for the masses.

Now allow me to debunk some of the rumors currently being spread about ISCO. Normally, as you know, I don't like to dignify these attacks, but I do make exceptions when it's important. I'm doing this, by the way, in a question-and-answer format that board chairman Ken Aldrich was kind enough to answer. The questions deal with some of the unfounded rumors circulating. If these don't concern you, feel free to skip them. Q1. Did ISCO close its financing?



A1. Yes, they did a $10 million financing, and then used $2.5 million as part of a balance sheet cleanup that removed approximately $15 million of 10% preferred stock and still left them with an additional $7.5 million in cash on the balance sheet, in addition to whatever cash was already there.

Q2. Doesn't Socius hold a lot of preferred stock that will be a future burden to ISCO?



A2. No, all of that has been retired as part of the capital restructuring announced in an 8-K filed June 11, 2010. As a result, Socius and its predecessor company, Optimus, hold no preferred shares of ISCO at all.

Q3. Is the company running out of money?



A3. Based on the monthly "burn" rate of about $550,000 for the last 15 months ($562,000 for the last quarter), the proceeds of the company's most recent financing of $7.5 million after the repayment of the outstanding preferred stock of Socius and Optimus would give the company at least 12 months of "runway," even without any additional revenues from operations, licensing or partnerships.



I could go on, but this is pretty long. Next week, I'll have more updates.

For transformational profits,

Patrick Cox

To learn more about Patrick Cox and Breakthrough Technology Alert please click here. © 2010 by Agora Financial, LLC. 808 St. Paul Street, Baltimore, MD 21202. All rights reserved. No part of this report may be reproduced by any means or for any reason without the consent of the publisher. The information contained herein is obtained from sources believed to be reliable; however, its accuracy cannot be guaranteed.

Jeffrey Janus serves as director and senior vice president of operations of new CHI member International Stem Cell Corp. and president and chief executive officer of Lifeline Cell Technology, one of the company’s subsidiaries. International Stem Cell Corp. (ISCO.OB) is a publicly traded stem cell therapy company with research and manufacturing facilities in Oceanside, Calif., and Walkersville, Md. The company’s technology revolves around its discovery of a proprietary and unique class of stem cells called human parthenogenetic stem cells (hpSC). These cells have distinct medical, practical and ethical advantages over embryonic and adult stem cells. They allow immune-matched stem cells and therapeutic cells to be “banked” and available immediately for millions of patients who are in critical need and cannot wait to derive cells from their own bodies. In addition to Lifeline Cell Technology, the company has another subsidiary called Lifeline Skin Care.

Janus is trained in biochemistry and business management and has more than 20 years experience focused on cell-based businesses. He is a member of the team that discovered parthenogenesis and is published in the stem cell field. After joining International Stem Cell Corp., (ISCO) Janus subsequently founded Lifeline Cell Technology to meet a growing need for media and human cells in pharmaceutical drug screening, consumer product testing and basic research at universities and government laboratories and to provide revenue and operational infrastructure for ISCO. The CHI Blog recently caught up with Janus to find out the latest on the company.

Q: How did your company get started? A: We started this company based on the work of Elena Revazova, M.D., Ph.D., a scientist well known in Russia who had a dream of curing diabetes using embryonic stem cells. She came to the United States to work and her talent and expertise in growing human cells was discovered by ISCO’s founders, who decided to form a company around her knowledge and skill. At the time, U.S. President [George W.] Bush was restricting the use of embryonic stem cells on ethical grounds, and there were also patent issues around embryonic stem cells, as there still are. We recognized that the ethical issue was important, but medially the most important problem with stem cell therapy was likely to be immune rejection. We realized we could address these issues by developing the technology called parthenogenesis and mitigate delays from funding and restrictions by working in Russia. So Dr. Revazova went back to Russia, and we set up a collaboration in Moscow to begin her work with parthenogenesis. Today our company has all of the intellectual property rights to parthenogenesis, a very powerful technology. We have also recently brought in Andrey Semechkin, Ph.D. as our CEO. Dr. Semechkin is a well-known scientist in the field of systems analysis and an accomplished businessman.

Q: How does parthenogenesis work? A: It’s the derivation of stem cells from an unfertilized human egg. The ethical issue surrounding work with embryonic stem cells is caused by the fact that embryonic stem cells are derived from a fertilized embryo, which has the potential to be a human being. However, if you do not fertilize the egg and yet you can derive stem cells from it that are functional, you’re not destroying a viable human embryo—and that’s exactly what Dr. Revazova did. We perfected parthenogenesis and brought it back to the United States. As a result, we have been able to overcome the ethical issue surrounding using embryonic stem cells with parthenogenesis.

Q: What are your technology’s other advantages? A: Parthenogenesis makes embryonic stem cells (or what we call parthenogenetic stem cells) that can be immune matched to millions of people. Using embryonic stem cells, the way they are currently made, is sort of like trying to do a bone marrow transplant between one person and another picked at random without making sure you have a match. If someone needs to have a bone marrow transplant, they usually go to brothers or sisters first and try to do an immune match. For a different set of reasons a similar situation exists with blood transfusions, although type O blood can be given to almost everyone. Our cells are similar in that the parthenogenic stem cells can be immune matched to many people, and that’s the unique quality of our cells.

Q: What are the biggest opportunities for your business going forward? A: We are creating a bank of hpSC that are “pluripotent” and carry common immune types that will match a large percent of the U.S. population, and this is a huge opportunity. These will be clinical grade and will be made in our new manufacturing facility located in Oceanside, Calif. Our biggest opportunity is the potential ability of our stem cells to be universally utilized for therapy. Scientists across the world are working on embryonic stem cells and figuring out ways to make therapeutic cells such as liver cells or nerve cells for a whole host of diseases. Eventually these therapies will need a cell or process that will minimize immune rejection. Our cells can be immune matched to millions of persons and are thus a solution for this need. So in a way, much of the work that’s going on right now across the world with embryonic stem cells accrues to our benefit. In addition, we are focused in four distinct areas—diabetes, liver disease, retinal and corneal disease, and nerve disease. We are currently growing cells to cure corneal blindness and have actually grown cornea tissue. We’re working with the University of California, Irvine to grow cells with a retina for macular degeneration. We have grown cells that are very similar to liver cells that are also related to a cell type called beta cells, which may be useful for diabetes. Collaborations with companies and universities present strong opportunities, and we’ve collaborated with Novocell in San Diego to further our work with diabetes, and we’re collaborating with UC San Francisco to test our liver cells derived from our parthenogenic stem cells and with researchers in Germany to study nerve cells generated from our stem cells.

Q: Tell us a little bit about your subsidiaries. A: One unique thing about our company is that we are a research-oriented biotech company that actually has income. One of our subsidiaries, Lifeline Cell Technology, is growing very nicely (with a 150 percent increase in sales over the last year) by selling research products to grow human cells and study human disease. Lifeline has more than 70 products and will be releasing more than a dozen more in 2010. Lifeline Skin Care was created in 2009 based on our discovery that derivatives from our parthenogenetic stem cell technology have proven to be beneficial to human skin. Lifeline Skin Care is developing several products and is beginning early-stage clinical trials with these skin products. We anticipate that these skin care products will help to generate income and fund our continuing stem cell therapeutic research.

Q: What are your company’s greatest accomplishments so far? A. We have successfully created 10 human parthenogenetic stem cell lines, one which carries the most common immune type in the United States and matches over a hundred million persons across the world. We are a fast-growing company with more than 12 scientists working in various areas of therapy and product development. Our stem cells have proven to be able to create cells that may be useful in therapy, including liver-like cells, corneal cells, retinal cells, nerve cells and cell types that may ultimately be useful in the treatment of diabetes. We have set up collaborations with major universities and researchers across the world. The amazing thing about our company is that we have developed into a company that has manufacturing, products, sales, quality control, therapeutic research, and an accounting department in such a short time. We have all the workings of a fully functional product manufacturing and therapeutic research company. It amazes me that we are making sales, whereas most companies our size are basic research and development companies. We know how to make human cells and freeze, store and manipulate them so that they are clinical grade. I think our technology, our knowledge of cell culture and our ability to manufacture are three very strong reasons that we have been successful.

CHI-Advancing California biomedical research and innovation
SOURCE: http://californiahealthcareinstitute.blogspot.com/2010/02/executive-spotlight-jeffrey-janus.html

International Stem Cell Corporation (OTCBB:ISCO), http://www.intlstemcell.com, a California-based biotechnology company focused on therapeutic and research products, congratulates Advanced Cell Technology, Inc. (ACT) on the issuance of its recent patent, U.S. Patent Number 7,736,896, covering a method for producing retinal pigment epithelial cells.

As licensee of the retinal cell technology covered by this ACT patent, ISCO looks forward to building on this discovery, either independently or in collaboration with ACT, with the goal of advancing the search for treatment of such diseases as Macular Degeneration and Retinitis Pigmentosa, leading causes of blindness in adults, both in the US and the World.

In addition to its licensed interest in the ACT patent, ISCO is developing its own proprietary technology for creating and implanting retinal pigment epithelial (RPE) cells that may be usable either in conjunction with its licensed technology from ACT or independently.

'This is just one more example of the remarkable advancement in science toward the treatment of life's more dreaded diseases, and we are proud to be one of the leading pioneers in that effort,' said Kenneth Aldrich, Chairman of ISCO.

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB):

International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells (hpSCs) from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell^(TM), while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO's website, http://www.internationalstemcell.com.

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

FORWARD-LOOKING STATEMENTS

Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

Key Words: Stem Cells, Biotechnology, Parthenogenesis

International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
or
Brian Lundstrom, President
760-640-6383
bl@intlstemcell.com

International Stem Cell Corporation (OTCBB:ISCO), http://www.intlstemcell.com, a California-based biotechnology company focused on therapeutic and research products, announced today that Charles J. Casamento was elected to the Board of Directors, on June 21, 2010.

Mr. Casamento is currently Executive Director and Principal of The Sage Group, a healthcare advisory group specializing in mergers, acquisitions, and partnerships between biotechnology companies and pharmaceutical companies. During his career, Mr. Casamento has served as a director on the boards of eight public biotechnology/pharmaceutical companies. He was the president and CEO of Osteologix, Inc., a public biopharmaceutical company developing products for treating osteoporosis, from 2004 through 2007. From 1999 through 2004, he served as chairman of the board, president and CEO of Questcor Pharmaceuticals, Inc. Mr. Casamento formerly served as RiboGene, Inc.'s president, CEO and chairman of the board from 1993 through 1999 until it merged with Cypros to form Questcor. He was co-founder, president and CEO of Interneuron Pharmaceuticals, Inc. (Indevus), a biopharmaceutical company, from 1989 until 1993. Mr. Casamento has also held senior management positions at Genzyme Corporation, where he was senior vice president, pharmaceuticals and biochemicals; American Hospital Supply, where he was vice president of business development and strategic planning for the Critical Care Division; Johnson & Johnson, Hoffmann-LaRoche, Inc. and Sandoz Inc. Mr. Casamento also serves on the Boards of Directors of CORTEX Pharmaceuticals, SuperGen, Inc. and VIVUS, Inc. He holds a bachelor's degree in Pharmacy from Fordham University and an M.B.A. from Iona College and was originally licensed to practice pharmacy in the states of New York and New Jersey.

'Mr. Casamento is a vital addition to our Board and brings to International Stem Cell Corporation expertise in areas that will help guide our company through growth, including corporate governance, business development, strategic planning, financing, mergers and acquisitions, product development, clinical trials and corporate and research and development collaboration activities,' said Kenneth Aldrich, Chairman.

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB):

International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell^(TM), while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO's website, http://www.internationalstemcell.com.

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

FORWARD-LOOKING

Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as 'will,' 'believes,' 'plans,' 'anticipates,' 'expects,' 'estimates') should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

Key Words: Stem Cells, Biotechnology, Parthenogenesis

International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
or
Brian Lundstrom, President
760-640-6383
bl@intlstemcell.com

OncoMed Has 'Wnt' in its Sails; Bayer Deal Adds $40M Up Front by Jennifer Boggs, Bioworld, June 18, 2010. Excerpts:

[OncoMed's] latest accomplishment is another early stage deal, this time with Bayer Schering Pharma AG, to develop drugs targeting the Wnt signaling pathway. It's an agreement that brings $40 million up front, with the potential for more than $1 billion in future milestones.

.....

The Wnt pathway is believed to be a key target in halting cancer stem cell activity. But only a few other firms - Avalon Pharmaceuticals Inc. (now part of Clinical Data Inc.) and 2008 start-up Wintherix LLC, for example - have entered that space, largely because Wnt is not an easily druggable target.

News release from Bayer: Bayer Schering Pharma and OncoMed Pharmaceuticals Enter Strategic Alliance to Develop Anti-Cancer Stem Cell Therapeutics, June 17, 2010. Excerpt:

Bayer Schering Pharma AG, Germany, and OncoMed Pharmaceuticals, Inc., today announced a global strategic alliance to discover, develop and commercialize novel anti-cancer stem cell therapeutics targeting the Wnt signaling pathway. Cancer stem cells are a subset of tumor cells believed to play a significant role in the establishment, metastasis and recurrence of cancer and agents targeting the Wnt pathway have the potential to be developed as pan-tumor drugs.

Comment: The Bayer-OncoMed strategic alliance has received attention via the social media. See, for example, the results of this FriendFeed search.

(WO2010065400) Cancer Biomarker and Methods of Using Thereof.

Excerpt from PCT Biblio. Data:

International Application No.: PCT/US2009/065742
Publication Date: 10.06.2010

Excerpt from Description:

Described herein are biomarkers which can be used for identifying a subject at risk for or evaluating the progression of cancer. In certain aspects, these biomarkers can be used to identify cancer stem cells. These biomarkers can include Octl or molecular variants thereof and downstream targets of Octl. In addition, described herein are methods for reducing the expression of these biomarkers associated with cancer.

By BRADLEY J. FIKES - bfikes@nctimes.com | Posted: June 15, 2010 3:21 pm |

Two-Drug Phase I Trial Shows Promise in Treating Late-Stage Ovarian Cancer, ScienceDaily, June 13, 2010. Excerpt:

"Our hypothesis is that decitabine isn't just targeting active ovarian cancer cells, but also cancer stem cells that seem to survive the first treatments," [Kenneth] Nephew said. "By keeping tumor suppression genes from being methylated, carboplatin and other platinum-based treatments for ovarian cancer have a better chance of success in the late stages."

This news release is about the publication entitled: A phase 1 and pharmacodynamic study of decitabine in combination with carboplatin in patients with recurrent, platinum-resistant, epithelial ovarian cancer by Fang Fang, Curt Balch and 9 co-authors, including Kenneth P Nephew and Daniela E Matei, Cancer 2010(Jun 8) [Epub ahead of print].

International Stem Cell Corporation (OTCBB:ISCO), a California-based biotechnology company creating human stem cell lines through its patented parthenogenetic process that requires no use of fertilized embryos, today announced that it is has scheduled a conference call for June 15, 2010 at 10:00 a.m. PST. ISCO Chairman, Mr. Kenneth Aldrich will discuss the Company's newly issued patent, its recently completed financing, and the present status of the company and its vision for the coming year. The dial-in number for participants is 1 (800) 774-6070 and the pass code ID is 8273 225#. An alternate dial-in number is: 1 (630) 691-2753 and the pass code will be the same for both numbers. A replay of the call will be available on the home page of the company's web site at: http://www.internationalstemcell.com.

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB)

International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells (hpSCs) from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell^TM, while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO's website, http://www.internationalstemcell.com.

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

FORWARD-LOOKING STATEMENTS:

Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
or
Brian Lundstrom, President
760-640-6383
bl@intlstemcell.com

International Stem Cell Corporation (OTCBB:ISCO), http://www.intlstemcell.com, announced today that the United States Patent and Trademark Office (USPTO) has granted ISCO patent number 7,732,202, the first of several pending patents relating to its development of human parthenogenetic Stem Cells (hpSC). Human parthenogenetic stem cells are a new type of pluripotent stem cell that allows immune matching to potentially solve critical immune rejection problems, and does not involve the ethical issues that surround the use of fertilized human embryos.

Although ISCO's creation of human parthenogenetic stem cells was first announced in a peer review publication in 2007, the formal allowance of claims by the USPTO will greatly advance the field of regenerative medicine by allowing ISCO to share its knowledge of these hpSC lines more freely with researchers in the US and around the world through partnerships, joint ventures, funded research and licensing arrangements.

The patent protects ISCO's technology platform, allowing the creation of hpSC from unfertilized eggs, exhibiting similar qualities and pluripotency as embryonic stem cells, with the added ability to be immune-matched to the donor, as illustrated in published peer-reviewed articles. Additional discoveries, also previously published in a peer reviewed journal and the subject of pending ISCO patents, illustrate the creation of 'homozygous' hpSC that can be immune matched to millions of persons of differing sexes and racial backgrounds, rather than only to the donor or her family, raising the potential of eventually creating a universal source of stem cells that could benefit most the of the world's population.

Researchers across the world work with ISCO to study different therapeutic applications of hpSC. Through previously announced collaborative arrangements, ISCO's scientists are working with major universities and private research organizations to study hpSC to treat liver disease, diabetes, Age-related Macular Degeneration (AMD), corneal blindness and various neural degenerative diseases. In one such research collaboration, internationally-recognized stem cell researcher Hans Keirstead, PhD, at the Reeve-Irvine Research Center (University of California, Irvine), recently published a paper, referring to his use of embryonic stem cells and ISCO's hpSC in work focused on the derivation of early retinal progenitor tissue.

Andrey Semechkin, PhD, CEO of ISCO said, 'Other than parthenogenetic stem cells, the three most commonly used and described types of stem cells are human embryonic stem cells (hESC), induced pluripotent stem cells (iPS), and adult stem cells, such as those derived from cord blood, adipose tissue or bone marrow. Parthenogenetic stem cells have unique advantages over each of these other cell types, and we anticipate that since our core patent has been issued, we can now accelerate the adoption of our hpSC lines by researchers in the US and throughout the world.'

'International Stem Cell Corporation is particularly proud of these accomplishments because we have been funded thus far entirely by investors, without NIH or other governmental aid,' said Jeffrey Janus, Senior Vice President of ISCO. 'However, once it is generally recognized that parthenogenetic cells have similar characteristics of embryonic stem cells and offer the potential to solve critical immune rejection issues - while not requiring the destruction of viable human embryos - we expect these cells to be increasingly used in government funded research to study ways of reducing human suffering and treating intractable human diseases.'

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB):

International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell(TM), while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO's website, http://www.internationalstemcell.com.

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

FORWARD-LOOKING STATEMENTS

Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "believes," "plans," " anticipates," "expects," "estimates,") should also be considered to be forward- looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

Key Words: Stem Cells, Biotechnology, Parthenogenesis

International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
or
Brian Lundstrom, President
760-640-6383
bl@intlstemcell.com

Cancer stem cells responsible for metastasis identified: HK study, Xinhua News Agency, June 4, 2010. Excerpt:

Hong Kong researchers have identified a subset of cancer stem cells responsible for metastasis in human colorectal cancer which can help better predict the prognosis and design a more suitable treatment for patients, according to a study made public by the University of Hong Kong on Friday.

The researchers from the university's medicine school discovered that cancer stem cells with a surface marker CD26, which marks a subset of cancer stem cells with metastatic capacity, are present in all terminal colon cancer cells and all metastatic cancer cells.

This news item is about the publication: A Subpopulation of CD26+ Cancer Stem Cells with Metastatic Capacity in Human Colorectal Cancer by Roberta Pang and 13 co-authors, including Wai Lun Law, Ronnie T Poon and Benjamin CY Wong [photos of authors], Cell Stem Cell 2010(Jun 4); 6(6): 603-15. [Summary][Twitter entry][Commentary][FriendFeed entry][Science Pond entry].

Immune response correlation with progression-free survival in glioblastoma following dendritic cell immunotherapy (ICT-107) by Surasak Phuphanich and 9 co-authors, including Manish Singh, Keith Black and John Wu, J Clin Oncol 28:7s, 2010 (suppl; abstr 2097). To be presented at the 2010 ASCO Annual Meeting, June 06, 2010.

Related news releases:

ImmunoCellular Therapeutics Ltd. (IMUC) to Present Cancer Vaccine Candidate, International Business Times, June 02, 2010. Excerpt:

Data from the company’s recent clinical trial of ICT-107, the company’s dendritic cell-based cancer vaccine candidate, will be presented at the 46th Annual Meeting of the American Society of Clinical Oncology (ASCO) June 4-8 in Chicago.

See also: Immunocellular brain cancer vaccine shows promise, Reuters, June 02, 2010. Excerpt:

"We are targeting specific antigens that are on cancer stem cells ... the only population of cells that can really propagate a tumor," said Dr. John Yu, director of surgical neuro-oncology at Cedars-Sinai Medical Center in Los Angeles and ImmunoCellular's chief scientific officer.

Another related news release: Immunocellular Therapeutics Enters into Research Agreement with University of Pennsylvania to Support Phase II Clinical Trial of ICT-107, Business Wire, April 21, 2010.

International Stem Cell Corporation (OTCBB:ISCO), http://www.intlstemcell.com, today announced significant progress on its international development strategy for stem cell-derived human corneal tissue. Such tissue can potentially be used to replace cadaver-derived corneas in treatment of severe corneal vision impairment and to eliminate the need to use live animals in safety testing of drugs, chemicals and consumer products.

During a recent trip to Asia and Europe, an ISCO senior management team identified and interacted with a group of integrated eye hospitals and ophthalmology research institutions with world-class laboratory facilities, along with potential sources of research funding. One of these is Sankara Nethralaya (http://www.sankaranethralaya.org), one of India's leading not-for-profit clinical and research organizations dedicated to treatment of eye diseases.

Research during the past ten to fifteen years has demonstrated stem cell differentiation into a variety of human cell types. Rarely has it been possible to produce such integrated, functional human tissue, in this case, tissue that has characteristics compatible with human cornea in structure and function. This tissue technology may offer a first-in-class opportunity for high-quality, cost-efficient transplantation tissue for the 10 million people world-wide suffering from corneal vision impairment, particularly in Asia and Europe. It may also provide a much needed alternative to the use of live and extracted animal eyes in the $500+M market for safety testing of drugs, chemicals and consumer products.

During the coming months, ISCO expects to formalize relationships with a number of entities such as Sankara Nethralaya to provide ISCO's cornea development program with the scientific, facility and financial resources needed to advance the technology as rapidly as possible to clinical application. The ultimate goal is not only to address the clear unmet medical and safety testing needs, but also to be among the first pluripotent stem cell applications to achieve widespread commercialization.

Dr. Sengamedu Srinivasa Badrinath, President and Chairman Emeritus of Sankara Nethralaya says: 'At Sankara Nethralaya, we see 1,600 eye patients and do over 100 eye surgeries a day. We employ sixty scientists and clinicians dedicated to the development and application of new state-of-the-art ophthalmic technologies. My senior team at Sankara Nethralaya and I look forward to helping ISCO advance its cornea technology that has potential to significantly reduce the severe quantitative and qualitative limitations in corneal donor tissue across the world today.'

Brian Lundstrom, ISCO's President, continues: 'The addition of Sankara Nethralaya to our international collaborative network will contribute substantial scientific and clinical ophthalmology expertise and resources and complement the instrumentation alliance with The Automation Partnership and the safety testing collaboration with Absorptions Systems. The next step is to organize an experienced therapeutic development team to establish the optimal development path with relevant regulatory authorities and create data needed to advance ISCO's stem cell-derived corneal tissue into clinical trials.'

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB):
International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human parthenogenetic stem cells (hpSCs) from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell™, while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO's website, http://www.internationalstemcell.com.

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

FORWARD-LOOKING STATEMENTS
Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "should," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

Key Words: Stem Cells, Biotechnology, Parthenogenesis

International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
Or
Brian Lundstrom, President
760-640-6383
bl@intlstemcell.com

An evolving concept of cancer stem cells in tumor biology: a lecture (34:38 min) by Jeremy N Rich. Webcast of the initial presentation at an Educational Session on Cancer Stem Cells and Treatment Resistance, AACR 101st Annual Meeting, April 17, 2010. [FriendFeed entry].

Comment: Dr. Rich's research has a primary emphasis on Glioma Cancer Stem Cell and Brain Tumors. An example of a recent publication: Integrin Alpha 6 Regulates Glioblastoma Stem Cells by Justin D Lathia and 10 co-authors, including Jeremy N Rich, Cell Stem Cell 2010(May 7); 6(5): 421-32. [PubMed citation][FriendFeed entry].

OCEANSIDE, CA – May 18, 2010 – International Stem Cell Corporation (ISCO.OB), http://www.intlstemcell.com, announced today that it had entered into a strategic alliance with The Automation Partnership (TAP), http://www.automationpartnership.com, to automate and scale up the production of stem cell-derived human corneal tissue. The alliance has been formed to create instrumentation for ISCO and its partners and affiliates to produce development and commercial volumes of donor tissue for cornea transplantation and to reduce the use of animals and animal eyes in safety testing of drugs, chemicals and consumer products.

Cornea-related loss or reduction of vision can be caused by physical injury, infections and degenerative diseases. In cases where cornea replacement is indicated, current medical practice typically involves a one-two hour outpatient procedure under local anesthesia using full or partial corneas from healthy human cadavers. 10 million people worldwide are candidates for such treatment, primarily in Asia and Europe where there is significant quantitative and qualitative shortage of human cornea donation.

Global efforts are underway to transition from the use of live animals and excised animal eyes to test drugs, chemicals and consumer products. For example, Europe’s Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) estimates a need to spend €270M and use 160,000 animals for eye safety testing alone to catch up with the back-log of insufficiently tested agents. In the US, the National Institutes of Health (NIH) and the Environmental Protection Agency (EPA) have launched a five-year program dedicated to finding new, non-animal technologies for toxicity testing of chemical compounds.

ISCO has discovered and filed for patents on a cell culture process for the synthesis of standardized, human, corneal tissue using stem cells. Histology, permeability and optical testing has demonstrated compatibility with natural corneas. Efforts are ongoing to further characterize this tissue and standardize and scale up its synthesis. Automation is necessary to produce sufficient, reproducible tissue for development and commercialization of the therapeutic and toxicity testing applications.

Brian Lundstrom, ISCO’s President, says: “Given the substantial unmet therapeutic and toxicology testing needs for human corneal tissue, ISCO has embarked on a focused effort to advance this technology with international investors, eye clinics, and development and commercialization partners. After reviewing a range of potential cell culture automation companies, we are very pleased that TAP has agreed to contribute their over twenty years of experience towards this goal.”

David Newble, TAP’s CEO says: “TAP has successfully installed and supported over 160 automated cell culture systems worldwide and continues to design new and customize existing equipment for cell culture and other emerging life science applications. The opportunity to join forces with ISCO in the cornea tissue area will enable us to contribute solutions for clear biomedical needs while also creating new technology and knowhow that will be useful in other applications downstream.”

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB):
International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO’s core technology, parthenogenesis, results in creation of pluripotent human stem cells (hpSCs) from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell™, while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO’s website, http://www.internationalstemcell.com

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

About The Automation Partnership
The Automation Partnership (TAP) provides advanced automation systems and services to improve productivity in life science research, development and production.

For over 20 years TAP has been the leader in the design and development of automated cell culture and processing systems with applications in regenerative medicine, discovery research, bioprocess development and biologics production. Systems include SelecT, CompacT SelecT and Cellmate.

In addition, TAP has a strong track record in providing a range of custom automation solutions for biobanking, biological sample management, compound management and advanced high throughput screening applications.

TAP is a privately-owned company with headquarters near Cambridge, UK and a sales and support facility near Wilmington, Delaware, USA.

FORWARD-LOOKING STATEMENTS
Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "should," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

Key Words: Stem Cells, Biotechnology, Parthenogenesis

CONTACTS:
International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
Or
Brian Lundstrom, President
760-940-6383
bl@intlstemcell.com
Or
The Automation Partnership
Matthew Walker
Head of Communications
+44 1763 227 200
Matthew.walker@automationpartnership.com

Isolation and use of solid tumor stem cells, United States Patent 7,713,710. [FreePatentsOnline][PatentStorm].
Publication Date: May 11, 2010.
Inventors: Clarke; Michael F. (Ann Arbor, MI), Morrison; Sean J. (Ann Arbor, MI), Wicha; Max S. (Ann Arbor, MI), Al-Hajj; Muhammad (Ann Arbor, MI).
Assignee: The Regents of the University of Michigan (Ann Arbor, MI) .
Appl. No.: 11/753,191
Filed: May 24, 2007
Abstract:

A small percentage of cells within an established tumor have the properties of stem cells. These solid tumor stem cells give rise both to more tumor stem cells and to the majority of cells in the tumor that have lost the capacity for extensive proliferation and the ability to give rise to new tumors. The solid tumor heterogeneity reflects the presence of tumor cell progeny arising from a solid tumor stem cell. This discovery is the basis for solid tumor stem cell compositions, methods for distinguishing functionally different populations of tumor cells, methods for using these tumor cell populations for studying the effects of therapeutic agents on tumor growth, and methods for identifying and testing novel anti-cancer therapies directed to solid tumor stem cells.

Parent Case Text:

CLAIM OF PRIORITY
This application is a Continuation of U.S. patent application Ser. No. 11/150,073, filed Jun. 10, 2005, which is a Continuation of U.S. patent application Ser. No. 09/920,517, filed Aug. 1, 2001, now U.S. Pat. No. 6,984,522, which claims priority to U.S. provisional applications Ser. No. 60/222,794, filed Aug. 3, 2000, and Ser. No. 60/240,317, filed Oct. 13, 2000, all of which are herein incorporated by reference in their entireties.

Google patents entry for Application Number 11/753,191 (The application that led to patent 7,713,710. The filing date was 24 May 2007).

Google patents entry for Application Number 11/150,073 (See Parent Case Text above: the filing date was 10 June 2005).

Google patents entry for Patent Number 6,984.522 (See Parent Case Text above: the filing date was 1 August, 2001 and the issue date was 10 Jan 2006). [FreePatentsOnline][PatentStorm].

Comment:

Not mentioned in the Parent Case Text above is United States Patent 7,115,360. [FreePatentsOnline][PatentStorm]. This patent was issued October 3, 2006 and filed on August 2, 2001.

The Parent Case Text for patent 7,115,360:

CLAIM OF PRIORITY
This patent is the United States national stage of PCT patent application PCT/US01/24243, published Feb. 14, 2002 as WO 02/12447, which is a continuation of U.S. Ser. No. 09/920,517, filed Aug. 1, 2001, now U.S. Pat. No. 6,984,522. This patent also claims priority to provisional patent applications U.S. Ser. Nos. 60/222,794, filed Aug. 3, 2000, and 60/240,317, Oct. 13, 2000.

Information about this patent was found via a Google search for "Isolation and use of solid tumor stem cells".

DCA research on brain cancer, EurekAlert, May 12, 2010. [FriendFeed entry]. Excerpt: "... the orphan generic drug Dichloroacetate (DCA) may hold promise as potential therapy for ... a form of brain cancer called glioblastoma". Another excerpt:

By extracting glioblastomas from 49 patients over a period of 2 years and studying them within minutes of removal in the operating room, the team showed that tumors respond to DCA by changing their metabolism. Then, the team treated 5 patients with advanced glioblastoma and secured tumor tissues before and after the DCA therapy. By comparing the two, the team showed that DCA works in these tumors exactly as was predicted by test tube experiments. This is very important because often the results in non-human models tested in the lab do not agree with the results in patients. In addition, the team showed that DCA has anti-cancer effects by altering the metabolism of glioblastoma cancer stem cells, the cells thought responsible for the recurrences of cancer.

And,

No conclusions can be made on whether the drug is safe or effective in patients with this form of brain cancer, due to the limited number of patients tested by the study's leads Drs Michelakis and Petruk. Researchers emphasize that use of DCA by patients or physicians, supplied from for-profit sources or without close clinical observation by experienced medical teams in the setting of research trials, is not only inappropriate but may also be dangerous. ...

See also: Generic drug may be potential treatment for deadly brain cancer: U of A medical study by Noreen Remtulla and Julia Necheff, ExpressNews, University of Alberta, May 12, 2010.

And: Potential brain-cancer drug shows promise, CBC News, May 12, 2010. [CBC video].

And: Cancer drug trial raises hopes by Elise Stolte, Edmonton Journal, May 13, 2010.

These news reports are about the publication: Metabolic Modulation of Glioblastoma with Dichloroacetate by Evangelos D Michelakis and 12 co-authors, including Kenneth C Petruk, Sci Transl Med 2010(May 12); 2(31): 31ra34.

See also an editorial: Targeting Cell Metabolism in Cancer Patients by Matthew G Vander Heiden, Sci Transl Med 2010(May 12); 2(31) :31ed1. From the TOC: "Dichloroacetate can safely modify glucose metabolism in aggressive brain tumors when administered to patients". Last sentence of the editorial: "Time will tell whether this strategy constitutes an effective cancer therapy".

Comments: After an initial research publication in January 2007 [PubMed citation], DCA attracted much attention. See, for example, the Wikipedia entry for Dichloroacetic acid. And, Cancer society warns of untested drug, CBC News, March 22, 2007.

The Official University of Alberta DCA Website provides FAQs about DCA. It includes, in the News & Updates section, DCA Research Team publishes results of Clinical Trials (dated May 12, 2010) and an earlier Letter from Dr. Evangelos Michelakis (dated October 2008).

Other Tests Show Tissue's Ability to Focus Light, Pointing to Potential Therapeutic Applications

OCEANSIDE, Calif. – May 10, 2010 – International Stem Cell Corporation (OTCBB: ISCO), http://www.internationalstemcell.com/, the first company to perfect a method of creating human "parthenogenetic" stem cells from unfertilized eggs, announces the results of a second set of experiments confirming that its lab-grown corneal tissue closely mimics the drug absorption and drug metabolism characteristics found in normal corneal tissue. Other tests show that the stem cell derived corneal tissue refracts light, thus providing a further indication of its potential therapeutic value in treating corneal injury and disease.

Two sets of collaborative experiments between ISCO and Absorption Systems have now shown that corneal tissue cultured by ISCO exhibits topical drug absorption barrier properties and tissue-appropriate enzymatic activity, making it a promising model for studying human ocular drug absorption as an alternative to live animal testing. ISCO's human corneal tissue is created in the laboratories of its wholly owned subsidiary, Lifeline Cell Technology (Walkersville, MD).

In a second set of tests conducted by a third party expert, a beam of diverging light was projected through the corneal tissue from different distances, becoming more or less refracted with the changing distance, showing that the corneal tissue was clear and had optical properties that allow the focusing of light. Additional experiments will be conducted to better define these optical characteristics.

According to Jeffrey Janus, Senior VP of ISCO and CEO of Lifeline, "We are very excited to confirm our initial results showing drug absorption that correlates with animal models and add to these results the observation of enzymatic activity. This not only advances our plans to manufacture a product that can be used to reduce the need for tests that use living animals, but it also is one more step toward the potential therapeutic use of this tissue as a treatment for human corneal injury or disease. This has implications, not only in the US, but also in India and Asia, where millions of people suffer from corneal blindness that now goes untreated. The experiments showing light refraction are a tempting indication that this tissue will have therapeutic application."

"There is a large commercial need for a predictive and reproducible non-animal method for testing the safety of ophthalmic drugs and consumer products," said Patrick M. Dentinger, President and CEO of Absorption Systems. "The combined knowledge and expertise of ISCO and Absorption Systems have allowed us to take a step forward toward addressing an unmet need in the field of ophthalmology by creating a unique in vitro model to study human ocular drug absorption without using animals. Our collaboration with ISCO underscores our commitment to helping bring safe drugs to market."

The collaboration between Absorption Systems and ISCO uses Absorption Systems' know-how in creating and characterizing assay systems to develop superior preclinical methods of testing drugs. Such methods can also reduce the use of laboratory animals currently necessary for other tests, including safety testing of consumer products.

ABOUT INTERNATIONAL STEM CELL CORPORATION (ISCO.OB):

International Stem Cell Corporation is a California-based biotechnology company focused on therapeutic and research products. ISCO's core technology, parthenogenesis, results in creation of pluripotent human stem cells from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenic, homozygous stem cell line that can be a source of therapeutic cells with minimal immune rejection after transplantation into hundreds of millions of individuals of differing sexes, ages and racial groups. This offers the potential to create the first true stem cell bank, UniStemCell™, while avoiding the ethical issue of using fertilized eggs. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology. More information is available at ISCO's website, http://www.internationalstemcell.com/.

ABOUT ABSORPTION SYSTEMS:

Absorption Systems, founded in 1996, assists pharmaceutical, biotechnology and medical device companies in identifying and overcoming ADMET (Absorption, Distribution, Metabolism, Excretion and Toxicity) barriers in the development of drugs, biologics and medical devices. The company's mission is to continually develop innovative research tools that can be used to accurately predict human outcomes or to explain unanticipated human outcomes when they occur. The CellPort Technologies® platform, a suite of human cell-based tests systems for drug transporter characterization, exemplifies Absorption Systems' commitment to innovation. Absorption Systems has facilities near Philadelphia, PA, and in San Diego, CA, and serves customers throughout the world. For information on the company's comprehensive contract services and applied research programs, please visit http://www.absorption.com/.

To subscribe to receive ongoing corporate communications please click on the following link: http://www.b2i.us/irpass.asp?BzID=1468&to=ea&s=0.

FORWARD-LOOKING STATEMENTS

Statements pertaining to anticipated technological developments and therapeutic applications, and other opportunities for the company and its subsidiary, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

Key Words: Stem Cells, Biotechnology, Parthenogenesis

CONTACTS:
International Stem Cell Corporation
Kenneth C. Aldrich, Chairman
760-940-6383
kaldrich@intlstemcell.com
Or
Brian Lundstrom, President
760-640-6383
bl@intlstemcell.com

For links to recent news items about CSC, visit this [Topsy] page. Examples of two news items that have received attention in the past week:?