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Stem cells for Parkinson’s getting ready for clinic

By raymumme

A groundbreaking attempt to heal eight Parkinson's patients with their own cells could move from research to the clinic next year.

For eight Parkinson's patients seeking treatment with a new form of stem cell therapy, 2014 promises to be a milestone. If all goes well, next year the FDA will give approval to begin clinical trials. And if the patients can raise enough money, the scientists and doctors working with them will have the money to proceed.

Jeanne Loring, a stem cell scientist at The Scripps Research Institute, discusses the status of a project to treat Parkinson's patients with their own cells, turned into the kind of brain cells destroyed in Parkinson's. The project is a collaboration with Scripps Health and the Parkinson's Association of San Diego.

Scientists at The Scripps Research Institute led by Jeanne Loring have taken skin cells from all patients and grown them into artificial embryonic stem cells, called induced pluripotent stem cells. They then converted the cells into dopamine-making neurons, the kind destroyed in Parkinson's disease.

Loring discussed the project's progress on Friday morning at the 2013 World Stem Cell Summit in San Diego.

If animal studies now under way and other requirements are met, doctors at Scripps Health will perform a clinical trial. They will grow neurons until they are just short of maturity, then transplant them into the brains of the respective patients. The cells are expected to complete maturation in the brain, forming appropriate connections with their new neighbors, and begin making dopamine.

Earlier attempts to treat Parkinson's with a stem cell-like therapy mostly failed because of difficulties in quality control of the source, neural cells from aborted fetuses, Loring said. But some patients gained lasting improvement, a tantalizing hint that the trials were on the right track.

In January, a "pre-pre-IND meeting" is planned with the FDA, Loring said.

Also speaking were Ed Fitzpatrick, one of the eight patients, and Kyoto University researcher Jun Takahashi, who is independently trying the same approach in Japan.

Ed Fitzpatrick, one of eight Parkinson's patients in a program to be treated with his own cells, grown into the kind of brain cells destroyed in Parkinson's.

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‘Something positive for humankind’: Girls lend cells to genetic study

By raymumme

NBC News - At 15, Hayley Mogul lacks the fine motor skills needed to write. Her sister Bari is 9 and still eating baby food.

There's no cure for their rare disorders, caused by unique genetic mutations. But for once, there's an advantage to having conditions so rare that drug companies cannot even think of looking for a cure. The sisters are taking part in a whole new kind of experiment in which scientists are literally turning back the clock on their cells.

They're using an experimental technique to transform the cells into embryonic form, and then growing these baby cells in lab dishes.

The goal is the get the cells to misfire in the lab in just the same way they are in Hayley's and Bari's bodies. It's a new marriage of genetics and stem cell research, and represents one of the most promising applications of so-called pluripotent stem cells.

"One day these two girls will probably change the face of medicine as we know it," said their father, Steven Mogul.

Steven and Robyn Mogul don't understand why both their daughters ended up with the rare mutations, which cause a range of neurological and metabolic problems.

"We have been tested," said Mogul, a 45-year-old wealth manager living in Chicago. "We don't have any mutations, and there are no developmental issues. We have no idea how it happened. "

The girls need special schooling and physical therapy. They must wear diapers, and when they get a cold or the flu, they can develop dangerously low blood sugar. "When the kids get sick, get colds or flu, we have to get them to the hospital," Mogul said.

Hayley, 15, has a mutation in a gene called RAI1, which can cause Smith-Magenis syndrome. The syndrome affects 1 in 25,000 people and can disturb sleep patterns, cause obesity and behavioral issues. But Hayley's mutation is unique and puzzling. Bari, 9, has an RAI1 mutation and a similarly unique mutation in the GRIN2B gene, which can cause learning disabilities.

"Bari doesn't talk," Mogul said. "She walks around, she gets around and lets you know what she wants. She is eating baby food and she is drinking from bottles."

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Heart Failure Patient Has 3 Normal EKGs After Stem Cell Therapy – Video

By raymumme


Heart Failure Patient Has 3 Normal EKGs After Stem Cell Therapy
I was diagnosed 20 years ago. My heart was stopped up. I have 11 stents in my heart. When they put in (stents) nine, ten and eleven they blocked an artery an...

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JCI – Advances in stem cell therapy for spinal cord injury

By raymumme

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Andrea J. Mothe and Charles H. Tator

Toronto Western Research Institute and Krembil Neuroscience Centre, Toronto Western Hospital, Toronto, Ontario, Canada.

Address correspondence to: Charles H. Tator, Toronto Western Research Institute and Krembil Neuroscience Centre, Toronto Western Hospital, 399 Bathurst Street, Toronto, ON, Canada M5T 2S8. Phone: 416.603.5889; Fax: 416.603.5745; E-mail: charles.tator@uhn.on.ca.

Published November 1, 2012

Spinal cord injury (SCI) is a devastating condition producing great personal and societal costs and for which there is no effective treatment. Stem cell transplantation is a promising therapeutic strategy, though much preclinical and clinical research work remains. Here, we briefly describe SCI epidemiology, pathophysiology, and experimental and clinical stem cell strategies. Research in stem cell biology and cell reprogramming is rapidly advancing, with the hope of moving stem cell therapy closer to helping people with SCI. We examine issues important for clinical translation and provide a commentary on recent developments, including termination of the first human embryonic stem cell transplantation trial in human SCI.

Spinal cord injury (SCI) is a devastating condition, with sudden loss of sensory, motor, and autonomic function distal to the level of trauma. Despite major advances in the medical and surgical care of SCI patients, no effective treatment exists for the neurological deficits of major SCI (1). Current treatment includes surgery to decompress and stabilize the injury, prevention of secondary complications, management of any that do occur, and rehabilitation. Unfortunately, neurological recovery is limited, and most SCI patients still face substantial neurological dysfunction and lifelong disability. Stem cell therapy offers several highly attractive strategies for spinal cord repair, including replacement of damaged neuronal and glial cells, remyelination of spared axons, restoration of neuronal circuitry, bridging of lesion cavities, production of neurotrophic factors, antiinflammatory cytokines, and other molecules to promote tissue sparing and neovascularization, and a permissive environment for plasticity and axonal regeneration. This review builds on several excellent previous reviews (28) and discusses the incidence and pathophysiology of SCI as well as the key experimental and clinical stem cell strategies for SCI.

Worldwide, the annual incidence of SCI is 1540 cases per million people (9). In Canada, the Rick Hansen Institute estimates there are currently 85,000 people living with SCI, with more than 4,000 new cases per year (10), and in the United States, the Christopher and Dana Reeve Foundation estimates a prevalence of over 1 million patients with SCI and more than 12,000 new cases each year (11).

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Apple Stem Cells Offer Hope for Aging and Damaged Skin – Life …

By raymumme

As we age, the reduced turnover of our cells means we can lose control over how our skin ages. Epidermal stem cells needed to create healthy new skin are significantly reduced and function less efficiently. A discovery based on promising plant stem cell research may allow you to regain control.

Scientists have found that a novel extract derived from the stem cells of a rare apple tree cultivated for its extraordinary longevity shows tremendous ability to rejuvenate aging skin. By stimulating aging skin stem cells, this plant extract has been shown to lessen the appearance of unsightly wrinkles. Clinical trials show that this unique formulation increases the longevity of skin cells, resulting in skin that has a more youthful and radiant appearance.

Cells in our bodies are programmed for specific functions. A skin cell, a brain cell, and a liver cell all contain the same DNA, or set of genes. However, each cells fate is determined by a set of epigenetic (able to change gene expression patterns) signals that come from inside it and from the surrounding cells as well. These signals are like command tags attached to the DNA that switch certain genes on or off.

This selective coding creates all of the different kinds of cells in our bodies, which are collectively known as differentiated (specialized) cells.

Although differentiated cells vary widely in purpose and appearance, they all have one thing in common: they all come with a built-in operational limit. After so many divisions, they lose their ability to divide and must be replaced. This is where stem cells come in.

Your body also produces other cells that contain no specific programming. These stem cells are blank, so your body can essentially format them any way it pleases. Two universal aspects shared by this type of cell are: (1) the ability to replenish itself through a process of self-renewal and (2) the capacity to produce a differentiated cell.

In animals and humans, two basic kinds of stem cells exist: embryonic and adult stem cells. Embryonic stem cells have the power to change into any differentiated cell type found anywhere in your body. Adult stem cells, on the other hand, are generally more limited. They can only evolve into the specific type of cell found in the tissue where they are located. The primary function of these adult stem cells is maintenance and repair.

But certain adult stem cells found in nature retain the unlimited developmental potential that embryonic stem cells possess. These cells have become the main focus for an exciting new wave of regenerative medicine (repairing damaged or diseased tissues and organs using advanced techniques like stem cell therapy and tissue engineering).

The basal (innermost) layer of the skins epidermis comprises two basic types of cells: (1) the slowly dividing epidermal stem cells (that represent about 2-7% of the basal cell population) and (2) their rapidly dividing offspring that supply new cells to replace those that are lost or dying.1-3

The slow self-renewal process of epidermal stem cells, however, creates a problem. Because each epidermal stem cell only lasts for a certain number of divisions, and because each division runs the risk of lethal DNA mutation, the epidermal stem cell population can become depleted. When this happens, lost or dying skin cells begin to outnumber their replacements and the skins health and appearance start to decline.

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The heart’s own stem cells play their part in regeneration

By raymumme

Nov. 28, 2013 Up until a few years ago, the common school of thought held that the mammalian heart had very little regenerative capacity. However, scientists now know that heart muscle cells constantly regenerate, albeit at a very low rate. Researchers at the Max Planck Institute for Heart and Lung Research in Bad Nauheim, have identified a stem cell population responsible for this regeneration. Hopes are growing that it will be possible in future to stimulate the self-healing powers of patients with diseases and disorders of the heart muscle, and thus develop new potential treatments.

Some vertebrates seem to have found the fountain of youth, the source of eternal youth, at least when it comes to their heart. In many amphibians and fish, for example, this important organ has a marked capacity for regeneration and self-healing. Some species in the two animal groups have even perfected this capability and can completely repair damage caused to heart tissue, thus maintaining the organ's full functionality.

The situation is different for mammals, whose hearts have a very low regenerative capacity. According to the common school of thought that has prevailed until recently, the reason for this deficit is that the heart muscle cells in mammals cease dividing shortly after birth. It was also assumed that the mammalian heart did not have any stem cells that could be used to form new heart muscle cells. On the contrary: new studies show that aged muscle cells are also replaced in mammalian hearts. Experts estimate, however, that between just one and four percent of heart muscle cells are replaced every year.

Scientists in Thomas Braun's Research Group at the Max Planck Institute for Heart and Lung Research have succeeded in identifying a stem cell population in mice that plays a key role in this regeneration of heart muscle cells. Experiments conducted by the researchers in Bad Nauheim on genetically modified mice show that the Sca1 stem cells in a healthy heart are involved in the ongoing replacement of heart muscle cells. The Sca-1 cells increase their activity if the heart is damaged, with the result that significantly more new heart muscle cells are formed.

Since, in comparison to the large amount of heart muscle cells, Sca-1 stem cells account for just a tiny proportion of the cells in the heart muscle, searching for them is like searching for a needle in a haystack. "We also faced the problem that Sca-1 is no longer available in the cells as a marker protein for stem cells after they have been changed into heart muscle cells. To prove this, we had to be inventive," says project leader Shizuka Uchida. The Max Planck researchers genetically modified the stem cells to such an extent that, in addition to the Sca-1, they produced another visible marker. Even if Sca-1 was subsequently no longer visible, the marker could still be detected permanently.

"In this way, we were able to establish that the proportion of heart muscle cells originating from Sca-1 stem cells increased continuously in healthy mice. Around five percent of the heart muscle cells regenerated themselves within 18 months," says Uchida. Moreover, mice suffering from heart disease triggered by the experiment had up to three times more of these newly formed heart muscle cells.

"The data shows that, in principle, the mammalian heart is able to trigger regeneration and renewal processes. Under normal circumstances, however, these processes are not enough to ultimately repair cardiac damage," says Braun. The aim is to find ways in which the formation of new heart muscle cells from heart stem cells can be improved and thereby strengthen the heart's self-healing powers.

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Autism treatment with stem cells – Video

By raymumme


Autism treatment with stem cells
Stem cell therapy for autism treatment in UCTC. Professor Smikodub introduced the method of fetal stem cell therapy on the basis of which autism treatment wa...

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What Can Stem Cells Really Do For Your Skin? | Beautylish

By raymumme

If youve been following skin care innovations for the last year or so, chances are youve heard about stem cells or have seen the ingredient pop up in various skin creams and serums. Stem cells are said to be able to make skin look refreshed and young, but many of us still have questions. What are they, exactly? Where do they come from? How do they work? Why should we try them? We took a closer look at the products and ingredients behind them to give you the scoop.

Stem cells, which occur in living organisms (including the human body), are different from other cells for two reasons. One, they are capable of renewing themselves, and two, under certain conditions, they can be induced to become cells that serve specific functions for the organism. Theyre important because of their regenerative propertiesstem cells offer a new way to treat certain diseases, and are often used in labs for screening new drugs and other biological research.

The idea behind stem cells in skin care is that by applying them topically, we might stimulate the growth of more stem cells. And because they can regenerate, theyll keep our skin looking youthful and healthy. Most stem cells used in beauty products are derived from plants. And while embryonic stem cells, taken from human embryos, are illegal, one brand we tried actually uses non-embryonic human cells that were extracted from consenting egg donors (yes, really. Read more below; for more general info on stem cells, read this guide from theNational Institutes of Health).

Short answer: we dont entirely know yet. Some research suggests that skin products containing stem cells can stimulate cell turnover and boost collagen, but there isnt a lot of conclusive evidence on the subject. Of course, that doesnt stop skin care companies from capitalizing on the buzzword. And we gotta say, the stem cell treatments we have tried certainly seem to be more effective and fast-acting than your average anti-agers.

Plant-derived stem cells typically are obtained from plants and fruits that can stay fresh for a long time or regenerate on their own, like Swiss apples, gotu kola, and grapes. Extracts of these stem cells are added to products to help neutralize free radicals and fight signs of aging and sun.

Apple: Indie Lee Swiss Apple Facial Serum

After scraping away bark from a particular tree species in Switzerland, scientists found that the tree was capable of regenerating itself. So to continue their research, they isolated the stem cells and tried them as a preservative on top of a tray full of apples and bananas. The team discovered that the stem cells actually prolonged the life of the fruits. Indie Lees Swiss Apple Facial Serum was created around the resilient power of these natural botanical-based stem cells. In addition to the extract from the rare Swiss apple stem cell, the serum contains hyaluronic acid and is highly concentratedyou need one drop for your entire face! Antioxidants and cell production-boosting benefits make this the perfect anti-aging product to add to your regimen.

Faspberry: Erno Laszlo Phormula 3-9 Repair Cream

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Stem Cell Research at Johns Hopkins Medicine: Repairing Heart Damage

By raymumme

By the time Bill Beatty made it to the Emergency Department in Howard County, he was already several hours into a major heart attack. His physicians performed a series of emergency treatments that included an intra-aortic balloon pump, but the 57-year-old engineers blood pressure remained dangerously low. The cardiologist called for a helicopter to transfer him to Johns Hopkins.

It was fortuitous timing: Beatty was an ideal candidate for a clinical trial and soon received an infusion of stem cells derived from his own heart tissue, making him the second patient in the world to undergo the procedure.

Of all the attempts to harness the promise of stem cell therapy, few have garnered more hope than the bid to repair damaged hearts. Previous trials with other stem cells have shown conflicting results. But this new trial, conducted jointly with cardiologist Eduardo Marbn at Cedars-Sinai Medical Center in Los Angeles, is the first time stem cells come from the patients own heart.

Cardiologist Jeffrey Brinker, M.D., a member of the Hopkins team, thinks the new protocol could be a game-changer. That's based partly on recent animal studies in which scientists at both institutions isolated stem cells from the injured animals hearts and infused them back into the hearts of those same animals. The stem cells formed new heart muscle and blood vessel cells. In fact, says Brinker, the new cells have a pre-determined cardiac fate. Even in the culture dish, he says, theyre a beating mass of cells.

Whats more, according to Gary Gerstenblith, M.D., J.D., the animals in these studies showed a significant decrease in relative infarct size, shrinking by about 25 percent. Based on those and earlier findings, investigators were cleared by the FDA and Hopkins Institutional Review Board to move forward with a human trial.

In Beattys case, Hopkins heart failure chief Stuart Russell, M.D., extracted a small sample of heart tissue and shipped it to Cedars Sinai, where stem cells were isolated, cultured and expanded to large numbers. Hopkins cardiologist Peter Johnston, M.D., says cardiac tissue is robust in its ability to generate stem cells, typically yielding several million transplantable cells within two months.

When ready, the cells were returned to Baltimore and infused back into Beatty through a balloon catheter placed in his damaged artery, ensuring target-specific delivery. Then the watching and waiting began. For the Hopkins team, Beattys infarct size will be tracked by imaging chief Joao Lima, M.D., M.B.A.,and his associates using MRI scans.

Now back home and still struggling with episodes of compromised stamina and shortness of breath, Beatty says his Hopkins cardiologists were fairly cautious in their prognosis, but hell be happy for any improvement.

Nurse coordinator Elayne Breton says Beatty is scheduled for follow-up visits at six months and 12 months, when they hope to find an improvement in his hearts function. But at least one member of the Hopkins team was willing acknowledge a certain optimism. The excitement here, says Brinker, is huge.

The trial is expected to be completed within one to two years.

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Administration of cardiac stem cells in patients with ischemic …

By raymumme

BACKGROUND:

SCIPIO is a first-in-human, phase 1, randomized, open-label trial of autologous c-kit(+) cardiac stem cells (CSCs) in patients with heart failure of ischemic etiology undergoing coronary artery bypass grafting (CABG). In the present study, we report the surgical aspects and interim cardiac magnetic resonance (CMR) results.

A total of 33 patients (20 CSC-treated and 13 control subjects) met final eligibility criteria and were enrolled in SCIPIO. CSCs were isolated from the right atrial appendage harvested and processed during surgery. Harvesting did not affect cardiopulmonary bypass, cross-clamp, or surgical times. In CSC-treated patients, CMR showed a marked increase in both LVEF (from 27.5 1.6% to 35.1 2.4% [P=0.004, n=8] and 41.2 4.5% [P=0.013, n=5] at 4 and 12 months after CSC infusion, respectively) and regional EF in the CSC-infused territory. Infarct size (late gadolinium enhancement) decreased after CSC infusion (by manual delineation: -6.9 1.5 g [-22.7%] at 4 months [P=0.002, n=9] and -9.8 3.5 g [-30.2%] at 12 months [P=0.039, n=6]). LV nonviable mass decreased even more (-11.9 2.5 g [-49.7%] at 4 months [P=0.001] and -14.7 3.9 g [-58.6%] at 12 months [P=0.013]), whereas LV viable mass increased (+11.6 5.1 g at 4 months after CSC infusion [P=0.055] and +31.5 11.0 g at 12 months [P=0.035]).

Isolation of CSCs from cardiac tissue obtained in the operating room is feasible and does not alter practices during CABG surgery. CMR shows that CSC infusion produces a striking improvement in both global and regional LV function, a reduction in infarct size, and an increase in viable tissue that persist at least 1 year and are consistent with cardiac regeneration.

This study is registered with clinicaltrials.gov, trial number NCT00474461.

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stem cell therapy treatment for Quadriplegic Cerebral Palsy by dr alok sharma, mumbai, india – Video

By raymumme


stem cell therapy treatment for Quadriplegic Cerebral Palsy by dr alok sharma, mumbai, india
improvement seen in just 3 months after stem cell therapy treatment for quadriplegic cerebral palsy by dr alok sharma, mumbai, india. Stem Cell Therapy done ...

By: Neurogen Brain and Spine Institute

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Bone Marrow/Stem Cell Transplant | UCLA Transplantation Services …

By raymumme

The UCLA Program is a combined program caring for patients with Hematologic Malignancies receiving chemotherapy and those patients for whom Stem Cell Transplantation is the therapy of choice. The treatmentof blood and marrow cancers includecurrently available therapies, investigational drugs and treatments, as well as stem cell transplantation. Our physicians meet weekly to discussindividual treatment approachesas part of developing a coordinated treatment recommendation.

Bone Marrow Transplantation was first performed at UCLA in 1968 using a related allogeneic transplant to treat an 18 month old child with severe combined immunodeficiency syndrome. The UCLA Marrow Transplantation Program was formally initiated in 1973. Unrelated donor marrow transplants have been carried out at UCLA since 1987, and Cord Blood Transplants have been performed at UCLA since 1996. Autologous transplants have been performed at our program since 1977. Since 1992 most of the Autologous Transplants have utilized Peripheral Blood Stem Cells. Since 1998 an increasing number of the Allogenic Transplants have utilized Peripheral Blood Stem Cells. From inception to the completion of 2007 we have performed 3726 transplants (3080 transplants in the adult population and 646 in the pediatric population).

For decades, this comprehensive program has provided a full range of services as a local, regional, national, and international referral center for transplantations for selected malignancies:

Our goals include finding new and innovative treatments for malignancies and expanding the effectiveness and applicability of bone marrow transplantation through such means as biologic response modifiers, growth factors, and chemotherapeutic agents.

Protocols involving chemotherapy with or without radiation therapy for patients in remission or relapse are available using bone marrow or peripheral blood stem cells from allogeneic, autologous and unrelated donors.

A bone marrow transplant is a procedure that transplant healthy bone marrow into a patient whose bone marrow is not working properly. A bone marrow transplant may be done for several conditions including hereditary blood diseases, hereditary metabolic diseases, hereditary immune deficiencies, and various forms of cancer.

Visit our Health Library to learn more:

Bone MarrowTransplant

How to Schedule Your Evaluation Appointment at UCLA

The United Network for Organ Sharing (UNOS) provides a toll-free patient services lines to help transplant candidates, recipients, and family members understand organ allocation practices and transplantation data. You may also call this number to discuss problems you may be experiencing with your transplant center or the transplantation system in general. The toll-free patient services line number is 1-888-894-6361

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stem cell therapy treatment for Cerebral Palsy with Hemiplegia by dr alok sharma, mumbai, india – Video

By raymumme


stem cell therapy treatment for Cerebral Palsy with Hemiplegia by dr alok sharma, mumbai, india
improvement seen in just 5 days after stem cell therapy treatment for cerebral palsy with hemiplegia by dr alok sharma, mumbai, india. Stem Cell Therapy done...

By: Neurogen Brain and Spine Institute

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Stem-Cell Therapy and Repair after Heart Attack and Heart Failure

By raymumme

Stem Cell Therapy: Helping the Body Heal Itself

Stem cells are natures own transformers. When the body is injured, stem cells travel the scene of the accident. Some come from the bone marrow, a modest number of others, from the heart itself. Additionally, theyre not all the same. There, they may help heal damaged tissue. They do this by secreting local hormones to rescue damaged heart cells and occasionally turning into heart muscle cells themselves. Stem cells do a fairly good job. But they could do better for some reason, the heart stops signaling for heart cells after only a week or so after the damage has occurred, leaving the repair job mostly undone. The partially repaired tissue becomes a burden to the heart, forcing it to work harder and less efficiently, leading to heart failure.

Initial research used a patients own stem cells, derived from the bone marrow, mainly because they were readily available and had worked in animal studies. Careful study revealed only a very modest benefit, so researchers have moved on to evaluate more promising approaches, including:

No matter what you may read, stem cell therapy for damaged hearts has yet to be proven fully safe and beneficial. It is important to know that many patients are not receiving the most current and optimal therapies available for their heart failure. If you have heart failure, and wondering about treatment options, an evaluation or a second opinion at a Center of Excellence can be worthwhile.

Randomized clinical trials evaluating these different approaches typically allow enrollment of only a few patients from each hospital, and hence what may be available at the Cleveland Clinic varies from time to time. To inquire about current trials, please call 866-289-6911 and speak to our Resource Nurses.

Cleveland Clinic is a large referral center for advanced heart disease and heart failure we offer a wide range of therapies including medications, devices and surgery. Patients will be evaluated for the treatments that best address their condition. Whether patients meet the criteria for stem cell therapy or not, they will be offered the most advanced array of treatment options.

Reviewed: 04/13

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Zaal Kokaia and Olle Lindvall – Stem cell therapy for stroke and other neurodegenerative diseases – Video

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Zaal Kokaia and Olle Lindvall - Stem cell therapy for stroke and other neurodegenerative diseases
Interview wtth Zaal Kokaia and Olle Lindvall, researchers at Lund Stem Cell Center.

By: Medicinska Fakulteten, LU

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What are adult stem cells? [Stem Cell Information]

By raymumme

Introduction: What are stem cells, and why are they important? What are the unique properties of all stem cells? What are embryonic stem cells? What are adult stem cells? What are the similarities and differences between embryonic and adult stem cells? What are induced pluripotent stem cells? What are the potential uses of human stem cells and the obstacles that must be overcome before these potential uses will be realized? Where can I get more information?

An adult stem cell is thought to be an undifferentiated cell, found among differentiated cells in a tissue or organ that can renew itself and can differentiate to yield some or all of the major specialized cell types of the tissue or organ. The primary roles of adult stem cells in a living organism are to maintain and repair the tissue in which they are found. Scientists also use the term somatic stem cell instead of adult stem cell, where somatic refers to cells of the body (not the germ cells, sperm or eggs). Unlike embryonic stem cells, which are defined by their origin (cells from the preimplantation-stage embryo), the origin of adult stem cells in some mature tissues is still under investigation.

Research on adult stem cells has generated a great deal of excitement. Scientists have found adult stem cells in many more tissues than they once thought possible. This finding has led researchers and clinicians to ask whether adult stem cells could be used for transplants. In fact, adult hematopoietic, or blood-forming, stem cells from bone marrow have been used in transplants for 40 years. Scientists now have evidence that stem cells exist in the brain and the heart. If the differentiation of adult stem cells can be controlled in the laboratory, these cells may become the basis of transplantation-based therapies.

The history of research on adult stem cells began about 50 years ago. In the 1950s, researchers discovered that the bone marrow contains at least two kinds of stem cells. One population, called hematopoietic stem cells, forms all the types of blood cells in the body. A second population, called bone marrow stromal stem cells (also called mesenchymal stem cells, or skeletal stem cells by some), were discovered a few years later. These non-hematopoietic stem cells make up a small proportion of the stromal cell population in the bone marrow, and can generate bone, cartilage, fat, cells that support the formation of blood, and fibrous connective tissue.

In the 1960s, scientists who were studying rats discovered two regions of the brain that contained dividing cells that ultimately become nerve cells. Despite these reports, most scientists believed that the adult brain could not generate new nerve cells. It was not until the 1990s that scientists agreed that the adult brain does contain stem cells that are able to generate the brain's three major cell typesastrocytes and oligodendrocytes, which are non-neuronal cells, and neurons, or nerve cells.

Adult stem cells have been identified in many organs and tissues, including brain, bone marrow, peripheral blood, blood vessels, skeletal muscle, skin, teeth, heart, gut, liver, ovarian epithelium, and testis. They are thought to reside in a specific area of each tissue (called a "stem cell niche"). In many tissues, current evidence suggests that some types of stem cells are pericytes, cells that compose the outermost layer of small blood vessels. Stem cells may remain quiescent (non-dividing) for long periods of time until they are activated by a normal need for more cells to maintain tissues, or by disease or tissue injury.

Typically, there is a very small number of stem cells in each tissue, and once removed from the body, their capacity to divide is limited, making generation of large quantities of stem cells difficult. Scientists in many laboratories are trying to find better ways to grow large quantities of adult stem cells in cell culture and to manipulate them to generate specific cell types so they can be used to treat injury or disease. Some examples of potential treatments include regenerating bone using cells derived from bone marrow stroma, developing insulin-producing cells for type1 diabetes, and repairing damaged heart muscle following a heart attack with cardiac muscle cells.

Scientists often use one or more of the following methods to identify adult stem cells: (1) label the cells in a living tissue with molecular markers and then determine the specialized cell types they generate; (2) remove the cells from a living animal, label them in cell culture, and transplant them back into another animal to determine whether the cells replace (or "repopulate") their tissue of origin.

Importantly, it must be demonstrated that a single adult stem cell can generate a line of genetically identical cells that then gives rise to all the appropriate differentiated cell types of the tissue. To confirm experimentally that a putative adult stem cell is indeed a stem cell, scientists tend to show either that the cell can give rise to these genetically identical cells in culture, and/or that a purified population of these candidate stem cells can repopulate or reform the tissue after transplant into an animal.

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What are adult stem cells? [Stem Cell Information]

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Spinal Cord Injury Stem Cell Treatment – ASCI – Stem Cell Rejuvenation

By raymumme

Stem Cells and Spinal Cord Injury:

Spinal cord injuries are described at various levels of "incomplete", which can vary from having no effect on the patient to a "complete" injury which means a total loss of function.

Treatment of spinal cord injuries starts with restraining the spine and controlling inflammation to prevent further damage. The actual treatment can vary widely depending on the location and extent of the injury. In many cases, spinal cord injuries require substantial physical therapy and rehabilitation, especially if the patient's injury interferes with activities of daily life.

After a spinal cord injury, many of the nerve fibers at the injury site lose their insulating layer of myelin. As a result, the fibers are no longer able to properly transmit signals between the brain and the spinal cord contributing to paralysis. Unfortunately, the spinal cord lacks the ability to restore these lost myelin-forming cells after trauma.

Tissue engineering in the spinal cord involves the implantation of scaffold material to guide cell placement and foster cell development. These scaffolds can also be used to deliver stem cells at the site of injury and maximize their regenerative potential.

When the spinal cord is damagedeither accidentally (car accidents, falls) or as the result of a disease (multiple sclerosis, infections, tumors, severe forms of spinal bifida, etc.)it can result in the loss of sensation and mobility and even in complete paralysis.

Spinal Cord Injury and Stem Cell Treatment

Adult stem cell transplants for spinal cord injury repair: current state in preclinical research.

Hernndeza J, Torres-Espna A, Navarro X.

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Spinal Cord Injury Stem Cell Treatment - ASCI - Stem Cell Rejuvenation

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Cardiac Stem Cell Research – Cedars-Sinai

By raymumme

Results from a ground-breaking Cedars-Sinai Heart Institute clinical trial show that an infusion of cardiac stem cells helps damaged hearts regrow healthy muscle.

The first-in-man clinical trial, based on technologies and discoveries made by Eduardo Marbn, MD, PhD, and led by Raj Makkar, MD, explored the safety of harvesting, growing and giving patients their own cardiac stem cells to repair heart tissue injured by heart attack.

The studys findings, published in The Lancet, show that heart attack patients who received stem cell treatment demonstrated a significant reduction in the size of the scar left on the heart muscle; this is a pioneering stem cell result, says Marban, who notes the study shows actual regeneration of tissues. With support from the California Institute for Regenerative Medicine, the Heart Institute team is now planning future clinical trials to treat advanced heart disease patients with stem cells.

The process to grow cardiac-derived stem cells involved in the study was developed earlier by Marbn when he was on the faculty of Johns Hopkins University. The university has filed for a patent on that intellectual property, and has licensed it to a company in which Marbn has a financial interest. No funds from that company were used to support the clinical study. All funding was derived from the National Institutes of Health and Cedars-Sinai Medical Center.

Since the Cedars-Sinai team completed the worlds first cardiac stem cell infusion in 2009, additional insights have emerged from this and related work, including the discovery in animals that iron-infused cardiac stem cells can be guided with a magnet to damaged areas of the heart, dramatically increasing their retention and healing potential.

Another finding to emerge from Marbns cardiac stem cell lab may have implications for many peoples health: Stem cells exposed to high doses of supplemental antioxidants can develop genetic abnormalities that predispose them to cancer formation.

Click here to watch a CBS Evening News story about the clinical trials results.

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Cardiac Stem Cell Research - Cedars-Sinai

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PURTIER Placenta Live Stem Cell Therapy (CHINESE) – Video

By raymumme


PURTIER Placenta Live Stem Cell Therapy (CHINESE)
??? PURTIER Placenta ???????? If you have other enquiries, please contact us at +65 8200 8227 Email: TrueStemCell@gmail.com PURTIER Placenta Live Stem Cell Therapy has...

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PURTIER Placenta Live Stem Cell Therapy (CHINESE) - Video

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Stem Cell Therapy helps dog with DJD and ruptured ACL – Video

By raymumme


Stem Cell Therapy helps dog with DJD and ruptured ACL
Murphy, an Irish Wolfhound and service dog, has struggled with degenerative joint disease in his hips and a ruptured ACL. Stem cell therapy has given him a n...

By: MediVet Arizona

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Stem Cell Therapy helps dog with DJD and ruptured ACL - Video

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