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Notre Dame establishes professorships in adult stem cell research

By daniellenierenberg

Public release date: 22-Jun-2012 [ | E-mail | Share ]

Contact: William Gilroy gilroy.6@nd.edu 574-631-4127 University of Notre Dame

Alumnus Michael Gallagher and his wife, Elizabeth, have made a $5 million gift to establish the Elizabeth and Michael Gallagher Family Professorships in Adult Stem Cell Research at the University of Notre Dame.

Their gift, which will fund three new endowed professorships in adult and all forms of non-embryonic stem cell research, will strengthen Notre Dame's leadership in the field of stem cell research and enhance the University's effective dialogue between the biomedical research community and the Catholic Church on matters related to the use and application of stem cells and regenerative medicine.

"As a Catholic university, Notre Dame carries a mantle of responsibility to use our scholarship and resources to help alleviate human suffering, and, in this area of research in particular, to do so with deep respect for the sanctity of all human life," said Rev. John I. Jenkins, C.S.C., the University's president. "These new professorships will enable us to effectively build upon an already strong foundation in this critically important field. We are tremendously grateful to the Gallaghers for making this possible with their transformative gift."

Despite years of research, there are no known cures for a large number of degenerative diseases, such as Type 1 diabetes, Parkinson's disease, cardiovascular disease, macular degeneration and spinal cord injuries. Stem cell research has the potential to contribute to the discovery of new and successful treatments for these and other diseases because it holds the unique promise of regenerating damaged cells and tissues, fully restoring tissues and organs to their normal function.

Although this vital area of research could accelerate the ability to alleviate much human suffering, it has generated extensive ethical debate with the use of embryonic versus non-embryonic stem cells. The Catholic Church affirms the dignity of all human life at every stage and vigorously opposes the destruction of human embryos for the harvesting of stem cells. At the same time, the Church strongly endorses the use of adult and non-embryonic stem cell research as a potential therapy for individuals suffering from these debilitating diseases. Research has demonstrated that adult stem cells, including all forms of non-embryonic stem cells, such as induced pluripotent stem cells and umbilical cord stem cells, can be harvested and programmed to achieve pluripotency the same characteristic that enables embryonic stem cells to differentiate into any type of cell.

An urgent need exists to increase the number of faculty experts performing adult stem cell research at Notre Dame. Doing so will expand upon the strong foundation the College of Science holds in these areas and will help create an environment for excellence in which faculty and students can learn, grow, collaborate and ultimately affect human health.

"We are overwhelmed with gratitude at the generous gift from Mike and Liz Gallagher," said Gregory P. Crawford, dean of the College of Science. "The impact of this gift is truly beyond measure. It will play a crucial role in attracting three more of the best faculty in the field of adult stem cell research to Notre Dame. Furthermore, this gift will equip our existing talented group of adult stem cell researchers at Notre Dame to take the next great leap toward ultimately forming a premier center in adult stem cell research."

Michael Gallagher is a 1991 graduate of Notre Dame, and his wife, Elizabeth, is a 1992 graduate of Saint Mary's College. They have two sons, Brock and Jack, and currently live near Denver.

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Husband competes to raise awareness about bone-marrow registration

By daniellenierenberg

FOR THE PAST decade, two things have consumed large chunks of Malvern native Tom Kramer's time.

The first is his training regimen. Kramer, 46, is a practicing triathlete who will compete Saturday morning in the eighth annual Philadelphia Insurance Triathlon in Fairmount Park.

The second is the search for a bone-marrow match for his wife Pam, also a triathlete, who was diagnosed with a rare form of leukemia in 2000 and eventually willl need a bone marrow transplant.

At some point, Kramer made a creative decision to have those cumbersome obligations intersect. Desperate to spread the word about the importance of registering as a bone-marrow donor he estimates only 9 million people are registered Kramer embarked on a four-event quest over the span of 8 months to raise awareness.

"It was just me in the beginning," he said. "All I had was a banner and some testing kits."

Kramer completed a marathon, two Ironman half-triathlons and a full Ironman triathlon. Eventually his effort gained steam, finally culminating last year when the Kramers incorporated their hard work into the non-profit Racing to Register.

Using endurance sports as a platform, Racing to Register aims to enlarge the pool of potential donors for blood cancer patients in need of lifesaving bone marrow or stem cells.

"We think that the endurance part the reason we chose that platform is that you have to have a lot of endurance to go through that kind of treatment," Kramer said. "There is that marriage there if we can put ourselves through this, you can register."

Athletes that who join Team RTR complete the donor registration process and, in return, the program facilitates their endurance training through coaching, discounted gear and more.

While his wife's illness is what got him started, Kramer says the event has grown into something much bigger. With more than 2,100 registrants, RTR has produced four potential matches.

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StemCells, Inc. Initiates Phase I/II Clinical Trial in Dry Age-Related Macular Degeneration

By daniellenierenberg

NEWARK, Calif., June 21, 2012 (GLOBE NEWSWIRE) -- StemCells, Inc. (STEM) today announced initiation of a Phase I/II clinical trial of the Company's proprietary HuCNS-SC(R) product candidate (purified human neural stem cells) in dry age-related macular degeneration (AMD) referred to as Geographic Atrophy. There are no approved treatments for dry AMD.

The trial is being conducted at the Retina Foundation of the Southwest's (RFSW) Anderson Vision Research Center in Dallas, Texas, one of the leading independent vision research centers in the United States. David G. Birch, Ph.D., Chief Scientific and Executive Officer of the RFSW and Director of the Rose-Silverthorne Retinal Degenerations Laboratory, is the principal investigator of the study.

"Dry AMD is the most common form of macular degeneration, and has a very debilitating effect on quality of life," said Dr. Birch. "Transplanting neural stem cells to protect photoreceptors in patients diagnosed with AMD is an innovative, but logical, approach, well supported by the Company's recently published preclinical data. We are very excited to be conducting this trial at RFSW."

A summary of the Company's preclinical data was featured in the February 2012 issue of the international peer-reviewed European Journal of Neuroscience (available online at http://onlinelibrary.wiley.com/doi/10.1111/j.1460-9568.2011.07970.x/abstract). The data demonstrated that HuCNS-SC cells protect host photoreceptors and preserve vision in the Royal College of Surgeons (RCS) rat, a well-established animal model of retinal disease which has been used extensively to evaluate potential cell therapies. Transplantation of HuCNS-SC cells significantly protects photoreceptors from degeneration. Moreover, the number of cone photoreceptors, which are responsible for central vision, remained constant over an extended period, consistent with the sustained visual acuity and light sensitivity observed in the study. In humans, degeneration of the cone photoreceptors accounts for the unique pattern of vision loss in dry AMD.

"Unlike others in the field, our clinical strategy is to preserve visual function before it is lost," said Stephen Huhn, MD, FACS, FAAP, Vice President and Head of the CNS Program at StemCells, Inc. "Our published preclinical data provides a strong rationale for this approach in dry AMD and we hope to replicate these results in this clinical trial. We are very pleased to be working with Dr. Birch and the Retina Foundation of the Southwest, who have the expertise and referral base to undertake this important study. We anticipate that we will be able to accrue the requisite number of patients for this trial in relatively short order."

About Age-Related Macular Degeneration

Age-related macular degeneration refers to a loss of photoreceptors (rods and cones) from the macula, the central part of the retina. AMD is a degenerative retinal disease that typically strikes adults in their 50s or early 60s, and progresses painlessly, gradually destroying central vision. According to the RFSW website, there are approximately 1.75 million Americans age 40 years and older with some form of age-related macular degeneration, and the disease continues to be the number one cause of irreversible vision loss among senior citizens in the US with more than seven million at risk of developing AMD.

About the Trial

The Phase I/II trial will evaluate the safety and preliminary efficacy of HuCNS-SC cells as a treatment for dry AMD. The trial will be an open-label, dose-escalation study, and is expected to enroll a total of 16 patients. The HuCNS-SC cells will be administered by a single injection into the space beneath the retina in the most affected eye. Patients' vision will be evaluated using both conventional and advanced state-of-the-art methods of ophthalmological assessment. Evaluations will be performed at predetermined intervals over a one-year period to assess safety and signs of visual benefit. Patients will then be followed for an additional four years in a separate observational study. Patients interested in participating in the clinical trial should contact the site at (214) 363 3911.

About HuCNS-SC Cells

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Cedars-Sinai researchers, with stem cells, advance understanding of spinal muscular atrophy

By daniellenierenberg

Public release date: 19-Jun-2012 [ | E-mail | Share ]

Contact: Nicole White nicole.white@cshs.org 310-423-5215 Cedars-Sinai Medical Center

LOS ANGELES (June 19, 2012) Cedars-Sinai's Regenerative Medicine Institute has pioneered research on how motor-neuron cell-death occurs in patients with spinal muscular atrophy, offering an important clue in identifying potential medicines to treat this leading genetic cause of death in infants and toddlers.

The study, published in the June 19 online issue of PLoS ONE, extends the institute's work to employ pluripotent stem cells to find a pharmaceutical treatment for spinal muscular atrophy or SMA, a genetic neuromuscular disease characterized by muscle atrophy and weakness.

"With this new understanding of how motor neurons die in spinal muscular atrophy patients, we are an important step closer to identifying drugs that may reverse or prevent that process," said Clive Svendsen, PhD, director of the Cedars-Sinai Regenerative Medicine Institute.

Svendsen and his team have investigated this disease for some time now. In 2009, Nature published a study by Svendsen and his colleagues detailing how skin cells taken from a patient with the disorder were used to generate neurons of the same genetic makeup and characteristics of those affected in the disorder; this created a "disease-in-a-dish" that could serve as a model for discovering new drugs.

As the disease is unique to humans, previous methods to employ this approach had been unreliable in predicting how it occurs in humans. In the research published in PLoS ONE, to the team reproduced this model with skin cells from multiple patients, taking them back in time to a pluripotent stem cell state (iPS cells), and then driving them forward to study the diseased patient-specific motor neurons.

Children born with this disorder have a genetic mutation that doesn't allow their motor neurons to manufacture a critical protein necessary for them to survive. The study found these cells die through apoptosis the same form of cell death that occurs when the body eliminates old, unnecessary as well as unhealthy cells. As motor neuron cell death progresses, children with the disease experience increasing paralysis and eventually death. There is no effective treatment now for this disease. An estimated one in 35 to one in 60 people are carriers and about in 100,000 newborns have the condition.

"Now we are taking these motor neurons (from multiple children with the disease and in their pluripotent state) and screening compounds that can rescue these cells and create the protein necessary for them to survive," said Dhruv Sareen, director of Cedars-Sinai's Induced Pluripotent Stem Cell Core Facility and a primary author on the study. "This study is an important stepping stone to guide us toward the right kinds of compounds that we hope will be effective in the model and then be reproduced in clinical trials."

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Neuralstem Pioneering Efforts In ALS – Analyst Blog

By daniellenierenberg

By Jason Napodano, CFA

Neuralstem, Inc. (NYSE MKT: CUR ) has developed a technology that allows large-scale expansion of human neural stem cells ("hNSC") from all areas of the developing human brain and spinal cord. The company owns of has exclusive license to 25 patients and 29 patent applications pending worldwide in the field of regenerative medicine and cell therapy. Management is currently focusing the company's efforts on replacing damaged, malfunctioning, or dead neural cells with fully functional ones that may be useful in treating many central nervous system diseases and neurodegenerative disorders.

Neuralstem's lead development program is for Amyotrophic Lateral Sclerosis ("ALS"), also known as Lou Gehrig 's disease, named after the famous New York Yankee first baseman who was diagnosed with the disease in 1939, and passed in 1941 at the age of only 37.

ALS Background

ALS is a rapidly progressive neurodegenerative disease characterized by weakness, muscle atrophy and twitching, spasticity, dysarthria (difficulty speaking), dysphagia (difficulty swallowing), and respiratory compromise. The disease is almost always fatal, typically due to respiratory compromise or pneumonia, in two to four years. Initial symptoms of ALS include weakness and/or stiffness followed by muscle atrophy in the arms and legs. This is followed by slurred speech or difficulty swallowing, and loss of tongue mobility. Approximately a third of ALS patients also experience pseudobulbar affect (uncontrollable emotions). As the disease progresses, worsening dysphagia and respiratory failure leads to death. A small percentage of patients may also experience cognitive affects such as frontotemporal dementia and anxiety.

The vast majority (~95%) of cases are idiopathic, although there is a known hereditary factor that leads to familial ALS associated with a defect on the 21st chromosome that accounts for approximately 1.5% of all cases. There are also suspected environmental causative factors, including exposure to a dietary neurotoxin called BMAA and cyanobacteria, and use of pesticides. However, in all cases, the defining factor of ALS is rapid and progressive death of upper and lower motor neurons in the motor cortex of the brain, brain stem, and spinal cord. Prior to their destruction, motor neurons develop proteinaceous inclusions in their cell bodies and axons. This may be partly due to defects in protein degradation.

Treatment for ALS is limited, and as of today only riluzole, marketed by Sanofi-Aventis as Rilutek, has been found to improve survival to a modest extent (several months). Riluzole preferentially blocks TTX-sensitive sodium channels, which are associated with damaged neurons. This reduces influx of calcium ions and indirectly prevents stimulation of glutamate receptors. Together with direct glutamate receptor blockade, the effect of the neurotransmitter glutamate on motor neurons is greatly reduced. Riluzole does not reverse the damage already done to motor neurons, and people taking it must be monitored for liver damaged (about 10% incidence).

The remaining treatments for ALS are designed to relieve symptoms and improve quality of life. This supportive care includes a multidisciplinary approach that may include medications to reduce fatigue, control spasticity, reduce excess saliva and phlegm, limit sleep disturbances, reduce depression, and limit constipation. As noted above, median survival is two to four years. In the U.S., approximately 30,000 persons are currently living with ALS.

Neuralstem's Approach For ALS

Neuralstem is seeking to treat the symptoms of ALS via transplantation of its hNSCs directly into the gray matter of the patient's spinal cord. In ALS, motor neurons die, leading to paralysis. In preclinical animal work, Neuralstem cells both made synaptic contact with the host motor neurons and expressed neurotrophic growth factors, which are protective of cells.

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Sixteenth Patient Dosed In Neuralstem ALS Stem Cell Trial

By daniellenierenberg

ROCKVILLE, Md., June 19, 2012 /PRNewswire/ --Neuralstem, Inc. (NYSE MKT: CUR) announced that the first patient to receive stem cell transplantation in both regions of the spinal cord has been treated in the ongoing Phase I trial of its spinal cord neural stem cells in amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease). This is also the 16th patient to be treated in the trial altogether and the first patient returning to the trial for a second treatment. In this treatment, the patient received five injections in the cervical (upper back) region of the spinal cord, in addition to the ten he received previously in the lumbar (lower back) region of the spine, for a total of 15 injections. This is the highest number of injections in the trial so far. Patient 16 is also the first patient in the world to receive stem cell transplants in both the lumbar and cervical regions of the spinal cord in an FDA-approved trial. Two additional previously-treated patients are expected to return to the trial this summer in this cohort, provided they continue to meet the inclusion requirements. The trial is taking place at Emory University Hospital in Atlanta, Georgia.

(Logo: http://photos.prnewswire.com/prnh/20061221/DCTH007LOGO )

"Transplanting the first of the returning patients represents a major milestone in the trial," said Dr. Karl Johe, PhD, Neuralstem's Chairman and Chief Scientific Officer. "The ability to safely administer multiple dosings to these patients is a key enabling step in administering the maximum safe dose. Not only are we dosing patients for a second time in this cohort, we are now dosing in both the lumbar and cervical regions of the spinal cord for the first time, where the stem cell therapy could support both walking and breathing."

About the Trial

The Phase I trial to assess the safety of Neuralstem's spinal cord neural stem cells and intraspinal transplantation method in ALS patients has been underway since January 2010. The trial is designed to enroll up to 18 patients. The first 12 patients were each transplanted in the lumbar (lower back) region of the spine, beginning with non-ambulatory and advancing to ambulatory cohorts.

The trial then advanced to transplantation in the cervical (upper back) region of the spine. The first cohort of three was treated in the cervical region only. The current cohort of three will receive injections in both the cervical and lumbar regions of the spinal cord. In an amendment to the trial design, The Food and Drug Administration (FDA) approved the return of previously-treated patients to this cohort. The first of these returning patients was just treated. The entire 18-patient trial concludes six months after the final surgery.

About Neuralstem

Neuralstem's patented technology enables the ability to produce neural stem cells of the human brain and spinal cord in commercial quantities, and the ability to control the differentiation of these cells constitutively into mature, physiologically relevant human neurons and glia. Neuralstem is in an FDA-approved Phase I safety clinical trial for amyotrophic lateral sclerosis (ALS), often referred to as Lou Gehrig's disease, and has been awarded orphan status designation by the FDA.

In addition to ALS, the company is also targeting major central nervous system conditions with its cell therapy platform, including spinal cord injury, ischemic spastic paraplegia and chronic stroke. The company has submitted an IND (Investigational New Drug) application to the FDA for a Phase I safety trial in chronic spinal cord injury.

Neuralstem also has the ability to generate stable human neural stem cell lines suitable for the systematic screening of large chemical libraries. Through this proprietary screening technology, Neuralstem has discovered and patented compounds that may stimulate the brain's capacity to generate new neurons, possibly reversing the pathologies of some central nervous system conditions. The company has received approval from the FDA to conduct a Phase Ib safety trial evaluating NSI-189, its first neurogenic small molecule compound, for the treatment of major depressive disorder (MDD). Additional indications could include CTE (chronic traumatic encephalopathy), Alzheimer's disease, anxiety, and memory disorders.

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Unveilling stem cells

By daniellenierenberg

Unveilling stem cells

LAWRENCE SERETSE Correspondent

Cryo-Save, the European company that intends to establish the first stem cell bank in Botswana says stem cells do not have just one function. They can themselves become or create other types of cells such as blood cells, brain cells, tissue cells, muscle cells and the like. Stem cells can be found in every person but they are much more numerous in the body of a foetus.

There are three types of stem cell banking namely, the baby stem cell banking which is the preservation and storage of cord blood and umbilical cord tissue. Adult stem cell banking is the preservation and storage of peripheral blood (from blood stream for bone marrow transplants) and fatty tissue stem cells.

The reproductive cell banking deals with the preservation and storage of eggs and sperm for future fertility treatments or artificial insemination purposes. Studying stem cells helped humans understand how they transform into the dazzling array of specialised cells that make us what we are. Some of the most serious medical conditions, such as cancer and birth defects, are caused by problems that occur somewhere in this process. A better understanding of normal cell development has allowed scientists to understand and perhaps correct the errors that cause these medical conditions. Many support stem cell research because it has the potential to provide solutions to a wide variety of medical conditions and diseases.

Stem cell research could even lead to a cure for some of the most traumatic injuries and diseases. Stem cell treatments cure over 70 diseases and disorders like Leukemia, Lymphoma, blood cancers, bone marrow disorders like Aplastic anaemia, sickle cell, Diabetes, Alzheimer's Disease, heart disease, stroke, birth defects, spinal cord injuries, ability to replace or repair organs and cancer.

This is just half of it. If one just looked at the benefits one might wonder why stem cell treatments are not in wide use. The shortcomings of stem cell research are often fears of what could result from such knowledge and the moral implications of using the stem cells. There are worries that humans should not try to play God. "Relating bodies have to pay extra caution and determine if we really need these banks. Again, some researchers may be coming to dig stem cells in Botswana, since there maybe restrictive laws in their countries.

"The unsuspecting citizens may end up giving up their stem cells for money," says Iqbal Chand, the CEO of Diagnofirm Medical Laboratories. He gave a scenario from recent publications that a patient in Berlin was cleared of HIV after stem cell treatment for leukemia.

"We do not even know how true it is and if it was the stem cells that cured his HIV. Even if it is, it is one person in a million so there is no assurance," Chand pointed out.

Another big issue with stem cells research is superstition. In most African communities, the umbilical cord must be buried after birth because it is believed that anyone with access to it could exert some spiritual influence on the child. This has led to uncertainty towards cord tissue and cord blood storage in most African societies. However, with the success of transplants making the headlines, more and more people are willing to donate adult stem cells to save lives.

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Girl gets vein grown from her own stem cells for transplant

By daniellenierenberg

LONDON: Scientists have successfully transplanted a vein made from a 10-year-old girl's own stem cells into her body. It is the first time such an operation has been reported and marks an important step in the practical ability of doctors to use stem cells to grow replacement cells for damaged or diseased tissue.

Writing in the medical journal The Lancet, a team led by Professor Suchitra Sumitran-Holdgersson, of the University of Gothenburg in Sweden, described how the girl had a blocked hepatic portal vein, which takes blood away from the gut and spleen to the liver.

The blockage can lead to complications including internal bleeding, developmental problems and even death. The usual treatment for the condition is to remove the blocked vein and replace it with sections of healthy vein from other parts of the body.

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The team instead grew a vein for the young girl using her own bone marrow stem cells.

They started with a nine-centimetre section of vein taken from the groin of a donor and stripped it of its cells, leaving behind a tubular protein scaffold. This was seeded with the girl's stem cells and the resulting vein was transplanted into the girl.

The procedure restored blood flow out of her liver immediately.

''The patient increased in height from 137 to 143 centimetres and increased in weight from 30 to 35 kilograms in the one year since the first operation,'' the authors wrote. ''Although we undertook no neurocognitive tests, the parents reported that the patient had enhanced physical activity (increased long distance walks of two to three kilometres and light gymnastics) and improved articulated speech and concentration power in school activities.''

Nine months after the operation, the vein had constricted slightly in size and this was corrected in a follow-up procedure. Most significantly, scientists found no antibodies for the donor vein in the girl's blood. Her body was not rejecting the transplant because it was recognised as being made of her own cells.

''The young girl in this report was spared the trauma of having veins harvested from the deep neck or leg with the associated risk of lower limb disorders, and avoided the need for a liver or multivisceral transplantation,'' Professors Martin Birchall and George Hamilton of University College London wrote in an accompanying commentary article in The Lancet.

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International Stem Cell Corporation Scientists Create New Protein-Based Stem Cell Technology

By daniellenierenberg

CARLSBAD, Calif.--(BUSINESS WIRE)--

International Stem Cell Corporation (ISCO) http://www.internationalstemcell.com announced that scientists in its wholly-owned subsidiary, Lifeline Cell Technology (LCT), have developed a technology to modify human stem cells by using engineered proteins, called "transducible transcription factors" or "TTFs." TTFs are designed to pass into stem cells and direct the stem cells to change into specific cell types that can be both therapeutically-useful and can be used as revenue-generating research products.

In contrast to more traditional cell therapy methods this technology does not require the use of viruses or chemicals, and has the potential to produce safe therapeutic cells from stem cells. In addition, the TTF proteins are naturally eliminated by the cells when no longer required, a characteristic that further improves safety. The Company intends that this technology, once perfected, will first be used to create revenue-generating research products for sale through Lifeline Cell Technologys international distribution channels to the academic, biotechnology and pharmaceutical markets for cellular proteins, including the quickly growing markets for the study of stem cell biology and drug testing.

According to Jeffrey Janus, Lifeline Cell Technologys CEO, These proteins can be sold into the market for cellular proteins which exceeds $700 million and represents an excellent opportunity for LCT to grow sales. Since the technology also has broad application in research and therapy, it should provide ISCO with future out-licensing opportunities to the biotechnology and pharmaceutical industries.

About International Stem Cell Corporation

International Stem Cell Corporation is focused on the therapeutic applications of human parthenogenetic stem cells (hpSCs) and the development and commercialization of cell-based research and cosmetic products. ISCO's core technology, parthenogenesis, results in the 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 for hundreds of millions of individuals of differing genders, ages and racial background with minimal immune rejection after transplantation. hpSCs offer the potential to create the first true stem cell bank, UniStemCell. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology (www.lifelinecelltech.com), and stem cell-based skin care products through its subsidiary Lifeline Skin Care (www.lifelineskincare.com). More information is available at http://www.internationalstemcell.com or follow us on Twitter @intlstemcell.

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Forward-looking Statements

Statements pertaining to anticipated developments, the potential benefits of research programs and products, and other opportunities for the company and its subsidiaries, 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, 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 forward-looking statements.

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First Vein Grown From Human Stem Cells Transplanted

By daniellenierenberg

By Makiko Kitamura - 2012-06-13T22:30:00Z

The first vein grown from a patients own stem cells was successfully transplanted into a 10-year-old girl, potentially offering a way for those lacking healthy veins to undergo dialysis or heart bypass surgery.

A team led by Michael Olausson of the University of Gothenburg took a 9-centimeter (3.5-inch) segment of vein from a human donor and removed all living cells, the Swedish researchers wrote in a study in The Lancet medical journal today. The resulting protein scaffolding was injected with stem cells from the girls bone marrow, and two weeks later was implanted in the patient, who had a blockage in the vein that carries blood from the spleen and intestines to the liver.

The result points to what may be a safer source of stem cells, the building blocks of life which can grow into any type of tissue in the body. Using cells from the patient may limit the risk that the immune system would attack the transplant, which can occur with tissue taken from healthy people and given to the sick. The girl hasnt developed signs of rejection, even without taking drugs to suppress her immune system, the researchers said.

The successful procedure establishes the feasibility and safety of a novel paradigm for treatment, the researchers wrote in the study. Our work opens interesting new areas of research, including trying to reproduce arteries for surgical use in patients.

The recipient had no complications from the operation, and a year later, has grown 6 centimeters and gained 5 kilograms (11 pounds) in weight.

Olausson and colleagues report suggests that tissue- engineered vascular grafts are promising, but one-off experiences such as the procedure they describe need to be converted into full clinical trials in key target populations, Martin Birchall and George Hamilton, professors at the University College London, wrote in a commentary accompanying the Lancet publication.

The study was funded by the Swedish government.

To contact the reporter on this story: Makiko Kitamura in London at mkitamura1@bloomberg.net

To contact the editor responsible for this story: Phil Serafino at pserafino@bloomberg.net

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Roberts found a match — others won't

By daniellenierenberg

By Jacque Wilson, CNN

updated 1:44 PM EDT, Tue June 12, 2012

2009: Robin Roberts on her cancer

STORY HIGHLIGHTS

(CNN) -- Robin Roberts' battle against myelodysplastic syndrome, or MDS, is just beginning. The "Good Morning America" anchor will undergo chemotherapy before having a bone marrow transplant later this year.

"Bone marrow donors are scarce and particularly for African-American women," Roberts wrote Monday. "I am very fortunate to have a sister who is an excellent match, and this greatly improves my chances for a cure."

More than 10,000 people in the United States are diagnosed with blood-related disorders every year, according to the National Marrow Donor Program. Often the best treatment is a bone marrow transplant. During the procedure, a donor's stem cells are directly transfused into the sick patient's bloodstream. The patient's new cells multiply over time to create healthy bone marrow.

Unfortunately, the chance of finding a match on the national registry is as low as 66% for African-Americans and other minorities, compared with 93% for Caucasians.

Be the Match, the national registry, has 10 million potential donors, but only 7% are African-American. While the percentage is comparable to the overall African-American population in the United States (which is 12%), the registry is meeting only about a third of the needs for African-American transplants, said Dr. Jeffrey Chell, CEO of the National Marrow Donor Program.

Tuskegee's ghosts: Fear hinders black marrow donation

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Roberts found a match -- others won't

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Skin Cells Turned Into Brain Cells

By daniellenierenberg

A team of scientists has discovered what could be a novel source for researching and potentially treating Alzheimer's disease and other conditions involving the destruction of brain cells.

Researchers at the University of California San Francisco-affiliated Gladstone Institutes converted skin cells from mice and humans into brain stem cells with the use of a protein called Sox2. Using only this protein to transform the skin cells into neuron stem cells is unusual. Normally, the conversion process is much more complex.

Neuron stem cells are cells that can be changed into the nerve cells and the cells that support them in the brain. The neuronal stem cells formed in this study are unique because they were prepared in a way the prevented them from becoming tumors, which is what often happens as stem cells differentiate, explained David Teplow, professor of neurology and director of the Easton Center for Alzheimer's Disease Research at UCLA. Teplow was not involved in the study, but is familiar with this type of research.

These immature brain stem cells then developed into different types of functional brain cells, which were eventually able to be integrated into mouse brains.

Jonathan Selig/Getty Images

The idea that these cells can become fully functioning brain tissue is significant, the authors explained, because by becoming part of the brain, the cells can replace the cells killed off by the disease process.

These cells also offer a potential way to learn about the mechanisms behind neurodegenerative disorders as well as lead to research into new drugs, explained Dr. Yadong Huang, a study co-author and associate investigator at the Gladstone Institute of Neurological Disease.

"The next step is, we are trying to get these skin cells from patients with this disease so we can reprogram and convert the diseased cells into these neuron stem cells and develop those into neurons in culture," he said.

After that, researchers can study how these diseases develop based on what's observed in culture dishes.

"It's really hard to get neurons from human brains for research, and now, we can generate them," Huang said. "Secondly, we can do some drug screening. If we have patient-specific neurons in culture, we can test some or develop some drugs to see how they work on these neurons."

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Cellular Dynamics Launches MyCell™ Services

By daniellenierenberg

MADISON, Wis., June 7, 2012 /PRNewswire/ --Cellular Dynamics International, Inc. (CDI), the world's largest commercial producer of human induced pluripotent stem (iPS) cell lines and tissue cells, today announced the launch of its MyCell Services. These services include novel iPS cell line reprogramming, genetic engineering and differentiation of iPS cells into commercially available iCell terminal tissue cells (for example, heart or nerve cells).

"CDI's mission is to be the top developer and manufacturer of standardized human cells in high quantity, quality and purity and to make these cells widely available to the research community. Our MyCell Services provide researchers with unprecedented access to the full diversity of human cellular biology," said Bob Palay, CDI Chief Executive Officer. "The launch of MyCell Services furthers CDI founder and stem cell pioneer Jamie Thomson's vision to enable scientists worldwide to easily access the power of iPSC technology, thus driving breakthroughs in human health."

Over the past 2 years, CDI has launched iCell Cardiomyocytes, iCell Neurons and iCell Endothelial Cells for human biology and drug discovery research. MyCell Services leverage CDI's prior investment in building an industrial manufacturing platform that can handle the parallel production of multiple iPSC lines and tissue cells, manufacturing billions of cells daily.

Chris Parker, CDI Chief Commercial Officer, commented, "Not all studies requiring human cells can be accomplished by using cells from a limited set of normal, healthy donors. Researchers may need iPS cells or tissue cells derived from specific ethnic or disease populations, and MyCell Services enable them to take advantage of our deep stem cell expertise and robust industrial manufacturing pipeline to do so. Previously, scientists had to create and differentiate iPS cells themselves. Such activities consume significant laboratory time and resources, both of which could be better applied to conducting experiments that help us better understand human biology. CDI's MyCell Services enable scientists to re-direct those resources back to their experiments."

CDI pioneered the technique to create iPS cells from small amounts of peripheral blood, although iPS cells can be created from other tissue types as well. Additionally, CDI's episomal reprogramming method is "footprint-free," meaning no foreign DNA is integrated into the genome of the reprogrammed cells, alleviating safety concerns over the possible use of iPS cells in therapeutic settings. These techniques have been optimized for manufacture of over 2 billion human iPS cells a day, and differentiated cells at commercial scale with high quality and purity to match the research needs.

Modeling Genetic Diversity

CDI has several projects already underway using MyCell Services to model genetic diversity of human biology. The Medical College of Wisconsin and CDI received a $6.3M research grant from the National Heart, Lung, and Blood Institute (NHLBI), announced July 2011, for which CDI's MyCell Services will reprogram an unprecedented 250 iPS cell lines from blood samples collected from Caucasian and African-American families in the Hypertension Genetic Epidemiology Network (HyperGEN) study. In addition, MyCell Services will differentiate these iPS cells into heart cells to investigate the genetic mechanisms underlying Left Ventricular Hypertrophy, an increase of the size and weight of the heart that is a major risk factor for heart disease and heart failure.

Researchers are also using CDI's MyCell Services to generate iPS cells and liver cells from individuals with drug induced liver injury (DILI), toward an eventual goal of identifying genetic factors linked to idiosyncratic liver toxicity. "The most problematic adverse drug event is sudden and severe liver toxicity that may occur in less than one in one thousand patients treated with a new drug, and thus may not become evident until the drug is marketed. This type of liver toxicity is not predicted well by usual preclinical testing, including screening in liver cultures derived from random human donors," said Paul B. Watkins, M.D., director of with The Hamner - University of North Carolina Institute for Drug Safety Sciences. "The ability to use iPS cell technology to prepare liver cultures from patients who have actually experienced drug-induced liver injury, and for whom we have extensive genetic information, represents a potential revolution in understanding and predicting this liability."

Screening Human Disease

While most diseases are multi-systemic, focus typically centers on only one organ system. For example, congenital muscular dystrophy (CMD) is a group of rare genetic diseases with a focus on skeletal muscle, yet other systems, including heart, eye, brain, diaphragm and skin, can be involved. Understanding the molecular mechanisms underlying complex disease phenotypes requires access to multiple tissue types from a single patient. While some systems are readily accessible for taking a biopsy sample, for example skin, other organs are not.

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Cell transplantation of lung stem cells has beneficial impact for emphysema

By daniellenierenberg

Public release date: 4-Jun-2012 [ | E-mail | Share ]

Contact: David Eve Celltransplantation@gmail.com Cell Transplantation Center of Excellence for Aging and Brain Repair

Tampa, Fla. (June 4, 2012) When autologous (self-donated) lung-derived mensenchymal stem cells (LMSCs) were transplanted endoscopically into 13 adult female sheep modeled with emphysema, post-transplant evaluation showed evidence of tissue regeneration with increased blood perfusion and extra cellular matrix content. Researchers concluded that their approach could represent a practical alternative to conventional stem cell-based therapy for treating emphysema.

The study is published in Cell Transplantation (21:1), now freely available on-line at http://www.ingentaconnect.com/content/cog/ct/.

"Mensenchymal stem cells are considered for transplantation because they are readily available, highly proliferative and display multi-lineage potential," said study corresponding author Dr. Edward P. Ingenito of the Brigham and Women's Hospital Division of Pulmonary and Critical Care Medicine. "Although MSCs have been isolated from various adult tissues - including fat, liver and lung tissues - cells derived from bone marrow (BM) have therapeutic utility and may be useful in treating advanced lung diseases, such as emphysema."

However, according to the authors, previous transplantation studies, many of which used an intravenous delivery method, have shown that BM-MSCs have been only marginally successful in treating lung diseases. Further, therapeutic responses in those studies have been limited to animal models of inflammatory lung diseases, such as asthma and acute lung injury.

To try and answer the questions surrounding the utility of BM-MSCs for treating advanced emphysema, a disease characterized by tissue destruction and loss of lung structural integrity, for this study the researchers isolated highly proliferative, mensenchymal cells from adult lung parenchyma (functional tissue) (LMSCs) and used an endoscopic delivery system coupled with a scaffold comprised of natural extracellular matrix components.

"LMSCs display efficient retention in the lung when delivered endobronchially and have regenerative capacity through expression of basement membrane proteins and growth factors," explained Dr. Ingenito.

However, despite the use of autologous cells, only a fraction of the LMSCs delivered to the lungs alveolar compartment appeared to engraft. Cell death likely occurred because of the failure of LMSCs to home to and bind within their niche, perhaps because the niche was modified by inflammation or fibrosis. These cells are attachment-dependent and failure to attach results in cell death."

Their findings did suggest, however, that LMSCs were capable of contributing to lung remodeling leading to documented functional improvement rather than scarring 28 days post transplantation.

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Researchers Testing Stem Cells As Treatment For Stroke Recovery

By daniellenierenberg

PITTSBURGH (KDKA) Injecting stem cells into the brain of someone who has had a stroke is a hot button issue.

Is it safe? Can it be done?

Thats what researchers at the University of Pittsburgh are trying to find out.

Because these are cells that have not been injected into the brain before, we need to know whether it is safe to do so, UPMC neurologist Dr. Lawrence Wechsler said.

So far, at UPMC, two people have received injections of stem cells from the bone marrow of healthy adult donors.

Roger Hill is one of them.

In August 2009, he woke up with a stroke. The first thing he noticed was his vision. He couldnt see half of his world and then his left side left him.

Something happened with my left leg. I fell down, he said. I couldnt feel my left knee.

The problem was in the brain.

A stroke most commonly happens because of a blocked artery. Part of the brain dies from a lack of oxygen and blood flow. Stroke is a leading cause of death and disability.

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Researchers Testing Stem Cells As Treatment For Stroke Recovery

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Mature liver cells may be better than stem cells for liver cell transplantation therapy

By daniellenierenberg

Public release date: 4-Jun-2012 [ | E-mail | Share ]

Contact: David Eve celltransplantation@gmail.com Cell Transplantation Center of Excellence for Aging and Brain Repair

Tampa, Fla. (June 4, 2012) After carrying out a study comparing the repopulation efficiency of immature hepatic stem/progenitor cells and mature hepatocytes transplanted into liver-injured rats, a research team from Sapporo, Japan concluded that mature hepatocytes offered better repopulation efficiency than stem/progenitor cells.

Until day 14 post-transplantation, the growth of the stem/progenitor cells was faster than the mature hepatocytes, but after two weeks most of the stem/progenitor cells had died. However, the mature hepatocytes continued to survive and proliferate one year after their implantation.

The study is published in Cell Transplantation (21:1), now freely available on-line at http://www.ingentaconnect.com/content/cog/ct/.

"Cell-based therapies as an alternative to liver transplantation to treat liver disease have shown promise," said study corresponding author Dr. Toshihiro Mitaka of the Cancer Research Institute of the Sapporo Medical University School of Medicine, Sapporo, Japan. "However, the repopulation efficiency of two candidate cell sources - hepatic progenitor/stem cells and mature hepatocytes - had not been comprehensively assessed and questions concerning the efficiency of each needed to be resolved."

The researchers noted that the shortage of cell sources and the difficulties of cryopreservation have limited the clinical application of cell based therapies. Stem or progenitor cells have been considered candidate cells because they can expand in vitro and can be cryopreserved for a long time.

However, after transplantation into liver injured rats, the researchers found that stem/progenitor cells did not survive well and most of the transplanted cells had disappeared within two months. In contrast, the mature hepatocytes gradually repopulated the rat livers and continued doing so past one year.

The researchers noted that the sizes of the hepatocytes were not uniform.

"Unexpectedly, the small hepatocytes repopulated significantly less well than the larger ones," explained Dr. Mitaka. "We also found that serial transplantation did not enhance nor diminish the repopulation capacity of the cells to any significant degree."

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Researchers appealing to public for funds

By daniellenierenberg

Research scientist Dr Paul Turner (left) and cell biologist Dr Jim Faed examine bone marrow stem cell colonies in the Spinal Cord Society Research Laboratory in Dunedin. Photo by Gerard O'Brien.

University of Otago cell biologist, haematologist and project leader Dr Jim Faed said $1.4 million was needed to trial the use of bone marrow stem cells to stimulate insulin production in type 1 diabetics.

Fundraising is being co-ordinated by the Spinal Cord Society, which had started recruiting for a related trial for spinal cord injury sufferers, to be led by Dr Faed.

That trial, which would have used cells from the person's nose, is on hold, partly for lack of funds, and partly because the diabetes trial would lay the groundwork for better-designed spinal cord research.

The diabetes study would be carried out in the Spinal Cord Society Research Laboratory at Otago University's Centre for Innovation in Dunedin, taking about two years.

Dr Faed said recent research from the United States had "electrified" interest in using stem cells to treat type 1 diabetics.

In what is known as the Chicago study, umbilical cord stem cells were shown to increase insulin production in even the most severe diabetics.

Dr Faed said he hoped the Dunedin study, with a dozen participants, would replicate and expand the Chicago study by explaining the mechanism by which the stem cells promoted insulin production.

Pharmaceutical companies stood to make no money from stem cell research, as the product was generated by the patient's own body; thus the companies could not be tapped for funds.

Dr Faed acknowledged the disappointment of the several spinal cord injury sufferers who had to wait longer for their study.

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New Method Turns Embryonic/Induced Pluripotent Stem Cells into Cardiac Muscle Cells

By daniellenierenberg

This finding can help researchers model diseases in the lab, and allow these diseases to be studied

Researchers from the University of Wisconsin-Madison have found a way to turn both embryonic and induced pluripotent stem cells into cardiomyocytes.

Sean Palecek, study leader and professor of chemical and biological engineering at the University of Wisconsin-Madison, along with Timothy Kamp, professor of cardiology at UW School of Medicine and Public Health, and Xiaojun Lian, a UW graduate student, have developed a technique for abundant cardiomyocyte production, which will allow scientists to better understand and treat diseases.

Cardiomyocytes are important cells that make up the beating heart. These cells are extremely difficult to obtain, especially in large quantities, because they only survive for a short period of time when retrieved from the human heart.

But now, the UW researchers have found an inexpensive method for developing an abundance of cardiomyocytes in the laboratory. This finding can help researchers model diseases in the lab, and allow these diseases to be studied. Researchers will also be able to tests drugs that could help fight these diseases, such as heart disease.

"Many forms of heart disease are due to the loss or death of functioning cardiomyocytes, so strategies to replace heart cells in the diseased heart continue to be of interest, said Kamp. "For example, in a large heart attack up to 1 billion cardiomyocytes die. The heart has a limited ability to repair itself, so being able to supply large numbers of potentially patient-matched cardiomyocytes could help."

The UW research team found that changing a signaling pathway called Wnt can help guide stem cell differentiation to cardiomyocytes. They just turned the Wnt pathway on and off at different times using two small molecule chemicals.

"Our protocol is more efficient and robust," said Palecek. "We have been able to reliably generate greater than 80 percent cardiomyocytes in the final population while other methods produce about 30 percent cardiomyocytes with high batch-to-batch variability.

"The biggest advantage of our method is that it uses small molecule chemicals to regulate biological signals. It is completely defined, and therefore more reproducible. And the small molecules are much less expensive than protein growth factors."

This study was published in the journal Proceedings of the National Academy of Sciences.

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Heart-Attack-Patient-Receives-Adult-Stem-Cell-Therapy- – Video

By daniellenierenberg

30-05-2012 10:25

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SD scientists get $18 million in stem cell funds

By daniellenierenberg

San Diego scientists will receive about $18.1 million in the latest round of funding from the California Institute of Regenerative Medicine (CIRM), the agency that's distributing $3 billion in stem cell research money made available through Proposition 71.

Since funding began, San Diego County researchers have been awarded at least $258 million, making the region one of the largest stem cell research clusters in the country.

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Here's a sample of the latest grants:

Mark Tuszynski, UC San Diego, $4.7 million for research on novel stem cell therapies to treat spinal cord injuries.

Peter Schutlz, The Scripps Research Institute, $4.3 million for research to treat multiple sclerosis.

Juan Carlos Izpisua Belmonte, Salk Institute, $2.3 million for research that would help repair damaged blood vessels.

Yang Xu, UC San Diego, $1.8 million for research that would help treat heart failure.

Eric Adler, UC San Diego, $1.7 million for research to help treat Danon disease, which causes major abnormalities in heart and skeletal muscles.

David Schubert, Salk Institute, $1.7 million for research aimed at treating Alzheimer's disease

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SD scientists get $18 million in stem cell funds

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