Archive for the ‘Stem Cell Therapy’ Category

Bonita stem cell doctor's attorney quits, state hearing still scheduled

Monday, February 6th, 2012

Interview with Dr. Zannos Grekos Grekos contests that his office has done …

The state took action against Dr. Zannos Grekos because of the death of a 69-year-old breast cancer patient April 4, 2010, after undergoing the treatment at his Bonita Springs practice, at 9500 Bonita Beach Road, Suite 310.

BONITA SPRINGS — Dr. Zannos Grekos may not have an attorney representing him at a hearing next month against a state complaint that he performed an unauthorized stem cell procedure on a patient who later died.

Or maybe the Bonita Springs cardiologist will have new counsel for the three-day administrative hearing scheduled to begin March 20.

His original attorney, Greg Chaires of Orlando, withdrew from the case Jan. 24, less than two months before the hearing. He's been Grekos' attorney since the state filed an administrative complaint against the doctor a year ago.

Grekos couldn't be reached for comment at his practice, Regenocyte Therapeutic, 9500 Bonita Beach Road, Suite 310.

Chaires stated in his withdrawal notice to the judge that he had good cause to stop representing him, but didn't elaborate.

Florida health department spokeswoman Jennifer Hirst said this past week that Grekos has two weeks to hire a new attorney “and regardless of whether he does or not, the trial date will not change.”

The case, which stems from events in early 2010, culminated a year later on Feb. 22, 2011, when the health department imposed an emergency restriction against his license. The restriction prohibits him from doing any procedures with bone marrow or stem cells in his practice.

If the administrative law judge sides with the state, Grekos could face sanctions or permanent restriction or revocation of his license.

At issue was Grekos' treatment of a 69-year-old woman who went to him for a consult on Feb. 25, 2010, for numbness and tingling in her arms and legs after chemotherapy.

Grekos ordered imaging of her carotid arteries and her brain and later injected her own aspirated bone marrow into her cerebral circulatory system.

At home that evening, she fell and was hospitalized. She had suffered a severe brain stem injury and was taken off life support on April 2, 2010.

Licensed in Florida since 1992, Grekos' cardiology practice in recent years has focused more on stem cell therapy to repair damaged heart muscle, lungs and other tissue.

He sends a sample of a patient's lung to Israel to cultivate new stem cells and the blood gets sent to a clinic or hospital in the Dominican Republic. The patient travels to the Dominican Republic, where the stem cells are injected into the damaged tissue.

Grekos has established a relationship with doctors and clinicians in the Dominican Republic who do the injections on his behalf; he isn't licensed to practice medicine there.

The case has captured widespread attention among Grekos' supporters who swear their once-chronic illnesses have undergone dramatic improvement since having the therapy through him. Detractors say he is taking advantage of a vulnerable population with congestive heart failure, lung failure and other illnesses for which conventional treatments no longer are effective.

Original post:
Bonita stem cell doctor's attorney quits, state hearing still scheduled

Funding for Personalized Medicine Research

Sunday, February 5th, 2012

The Cancer Stem Cell Consortium (CSCC) is a partner in the 2012 Large-Scale Applied Research Project Competition of Genome Canada, in collaboration with the first phase of the Personalized Medicine Signature Initiative of the Canadian Institutes of Health Research (CIHR). Genome Canada is leading the research competition. An excerpt from Fact Sheet: The Potential of Personalized Medicine:

Funding of $67.5M will come from Genome Canada ($40 million), CIHR ($22.5 million) and the Cancer Stem Cell Consortium ($5 million). Projects will be funded for a maximum of four years. To qualify for funding, researchers must obtain matching funding that at is least equal to that provided through the competition, which will bring the total investment in this research area to close to $140 million. Matching funding is typically derived from provincial, academic, private sector or international sources.

Details about the competition are available here.

Press releases, dated January 31, 2012, about the federal government’s support for personalized medicine, are available here and here.

Source:
http://cancerstemcellnews.blogspot.com/feeds/posts/default?alt=rss

Researchers turn skin cells into neural precusors, bypassing stem-cell stage

Sunday, February 5th, 2012

Mouse skin cells can be converted directly into cells that become the three main parts of the nervous system, according to researchers at the Stanford University School of Medicine. The finding is an extension of a previous study by the same group showing that mouse and human skin cells can be directly converted into functional neurons.Source:
http://news.search.yahoo.com/news/rss?ei=UTF-8&p=IPS+stem+cells+therapy&eo=UTF-8

Stanford scientists turn skin cells into neural precusors, bypassing stem-cell stage

Sunday, February 5th, 2012

Mouse skin cells can be converted directly into cells that become the three main parts of the nervous system, according to researchers at the Stanford University School of Medicine. The finding is an extension of a previous study by the same group showing that mouse and human skin cells can be directly converted into functional neurons.Source:
http://news.search.yahoo.com/news/rss?ei=UTF-8&p=IPS+stem+cells+therapy&eo=UTF-8

Adult stem cells testing offers promising results

Sunday, February 5th, 2012

I must admit that, the more I read about what stem cells — especially adult (or "tis-sue") stem cells that are not under the current res-trictions on the use of embryonic stem cells — the more I am incredibly impressed at the growing successful results of the use of such stem cells, especially in trials where they have been so successful in research and testing results literally around the …Source:
http://news.search.yahoo.com/news/rss?ei=UTF-8&p=stem+cells&eo=UTF-8

Oxford, Harvard scientists lead data-sharing effort

Sunday, February 5th, 2012

Led by researchers at University of Oxford (UK) and the Harvard Stem Cell Institute (HSCI) at Harvard University, (USA), more than 50 collaborators at over 30 scientific organizations around the globe have agreed on a common standard that will make possible the consistent description of enormous and radically different databases compiled in fields ranging from genetics to stem cell science, to environmental studies. (2012-01-30)Source:
http://www.brightsurf.com/rss.news.xml?search=Stem_Cells

PRWEB: Absorption Systems Expands In Vivo Drug and Medical Device Testing Capabilities

Sunday, February 5th, 2012
Preclinical contract research organization renovates facility, adding state-of-the-art technology and upgrading ocular testing services.
Exton, PA (PRWEB) January 31, 2012
Absorption Systems announces the latest in a series of milestones in the continuing expansion of its AAALAC-accredited and GLP-compliant facility in San Diego, CA. The facility is undergoing extensive renovations to upgrade and expand the company’s in vivo testing capabilities for drugs and medical devices, including the construction of a dedicated ocular testing laboratory with state-of-the-art equipment, including a Heidelberg Spectralis® optical coherence tomography (OCT) unit. This instrument produces detailed digital images of the retina, enabling precise monitoring of the efficacy and toxicity of drugs and medical devices. Absorption Systems’ San Diego facility, in the midst of a major expansion of staff, equipment, and capabilities in the specialized area of preclinical ocular drug and device testing, continues to see significant growth year-over-year early in 2012.
Glenwood Gum, M.S., Ph.D., who joined Absorption Systems in 2011 as Associate Director, Preclinical Studies, commented, “This OCT technology gives a huge boost to our ocular testing capabilities, which will immediately benefit our rapidly expanding client base.” Dr. Gum is an expert in preclinical ocular studies, having developed or co-developed many of the preclinical models of glaucoma, age-related macular degeneration (AMD), retinoblastoma, uveitis, and diabetic retinopathy that are used all over the world for drug testing. His expertise, along with dedicated staff and the addition of state-of-the-art equipment and facilities, are key to Absorption Systems’ strategy to aggressively pursue new business opportunities in the preclinical ocular testing arena.
Dr. Gum will be a featured speaker on Preclinical Glaucoma and CNV Models at the 4th Ocular Diseases and Drug Discovery conference in Las Vegas, NV February 27-28, 2012.
Patrick Dentinger, President and CEO of Absorption Systems, said, “For Absorption Systems, being a market leader in whatever endeavor we pursue is a cornerstone of our business philosophy. This requires scientific expertise, state-of-the-art equipment and facilities, and access to emerging technologies. These factors, combined with Absorption Systems’ customer-centric approach, make our commitment to being a top-tier ocular service provider a reality in 2012.”
Absorption Systems’ preclinical ocular test portfolio includes in vivo ocular pharmacokinetics, efficacy, and safety in multiple species, as well as in vitro ocular permeability and metabolism. For example, the human corneal orb is a unique in vitro permeability model available as a service platform only through Absorption Systems. The corneal orb, cultured from human pluripotent stem cells, was developed by Lifeline Cell Technology, Inc., a wholly-owned subsidiary of International Stem Cell Corporation, and has been validated by Absorption Systems as an in vitro corneal permeability test system.
About Absorption Systems
Absorption Systems, founded in 1996, assists pharmaceutical and medical device companies in identifying and overcoming ADMET (Absorption, Distribution, Metabolism, Excretion and Toxicity) barriers in the development of drugs and medical devices. The company’s mission is to continually develop innovative research tools that can be used to accurately predict human outcomes or to explain unanticipated human outcomes when they occur. The CellPort Technologies® platform, a suite of human cell-based test systems for drug transporter characterization, exemplifies Absorption Systems’ commitment to innovation and is soon to be an industry assay standard for in vitro drug interaction assessment. Absorption Systems has facilities near Philadelphia, PA, and San Diego, CA, and serves customers throughout the world. For information on the company’s comprehensive contract services and applied research programs, please visit http://www.absorption.com.



SOURCE: http://www.prweb.com/releases/2012/1/prweb9153045.htm

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IOM Coming Up Short on Independent Analysis of the California Stem Cell Agency

Sunday, February 5th, 2012


The blue-ribbon panel examining the performance of the $3 billion California stem cell agency is midway through its public process and is yet to hear from a single independent witness during its open sessions.

The panel’s report and recommendations are due this fall and are expected to have a major impact on the seven-year-old agency and its future.

So far, the IOM panel has heard only from employees or directors of the agency and persons representing institutions that have received $418 million in CIRM cash.

The panel of scientists and academics was put together by the prestigious Institute of Medicine under a $700,000 contract with the stem cell agency itself. At the 2010 meeting during which agency directors approved the contract, they expressed hope that the IOM panel’s findings would bolster public support for another multibillion dollar bond measure for the agency, which expects to run out of funds for new grants in 2017.

Last week, the California Stem Cell Report asked the IOM about its plans to gather independent or critical information about the stem cell agency’s performance. With only one more California public meeting scheduled, the IOM said that it is seeking the “full range of perspectives” but did not respond directly to questions about the specifics of how it is going to fulfill that task.

None of the four organizations in California that have an independent perspective on CIRM have been contacted by the IOM, the California Stem Cell Report has been told. They are the state’s Little Hoover Commission, the Center for Genetics and Society, Consumer Watchdog and the Citizens Financial Accountability and Oversight Committee, which is the only state body specifically charged with oversight of CIRM and its directors and which is chaired by the state’s top fiscal officer, Controller John Chiang. A spokeswoman for the IOM panel said, however, it plans to touch base with at least some of the four.

In response to questions from the California Stem Cell Report, Christine Stencel, the IOM spokeswoman, said the IOM also wants to hear comments from businesses whose applications have been rejected by CIRM. However, she said the panel is still working on “ways to get them.” She did not respond directly to questions about how many of such businesses would be interviewed or how they would be selected. The tiny number of CIRM grants to business is a sore spot with industry. Even directors and CIRM’s own “external review” panel have said much more is needed.

In response to a question about complaints about conflicts of interest on the part of CIRM reviewers, Stencel was also non-specific, saying only that the panel wants to “obtain all relevant insights.” She did not respond directly to a question about whether the panel would examine “private complaints” filed with CIRM by rejected applicants.

Currently the IOM has forms posted online that interested parties, if they know about the existence of the forms, can use to comment on CIRM. We asked whether the panel plans to do more than passively post the forms, specifically whether it plans to email them to all CIRM applicants who were rejected. We also asked about IOM plans to follow up to generate an adequate response. Stencel said the IOM is “proactively working” to get survey responses but did not say what specific steps it was taking.

Our comment?

The IOM has a well-deserved reputation for rigor and thoroughness. However, the IOM is all but unknown to 99 pecent of the public, which will be the ultimate consumer of its findings on the stem cell agency. The fact that the IOM is being paid $700,000 by CIRM will undoubtedly raise questions in the minds of some about IOM’s own objectivity. The panel itself consists of persons who have like-minded interests and sympathy with CIRM and its 485 grant recipients. No member of the panel is likely to publicly discourage more scientific research, even if CIRM is deemed to be failing to fulfill the voters expectations in 2004 when they created the agency. All the more reason to aggressively seek out those with contrary views about CIRM’s performances, if the IOM’s report is to have maximum credibility.

Earlier this week we heard from a knowledgeable and longtime observer of the research scene, who said that the IOM looks at things “differently than regular people” and views scientists who receive funding from CIRM as “independent.” The IOM’s Stencel responded by reiterating that the IOM is seeking the full range of information from the full range of sources.

The IOM evaluation of CIRM’s performance is much too far along not to have progressed further with its attempts to hear from independent and critical voices about CIRM. Generalizations to the effect that “we are going to get to it” do not serve the panel well. The IOM should lay out publicly and quite specifically its plans to aggressively seek thoughtful analysis from parties that do not have financial or professional links to CIRM, as well as from those who feel they have received a short shrift from the $3 billion enterprise.

You can read the full text of the questions from the California Stem Cell Report and the IOM responses here.

Source:
http://californiastemcellreport.blogspot.com/feeds/posts/default?alt=rss

CGS: Broader Perspective Needed in IOM-CIRM Performance Evaluation

Sunday, February 5th, 2012


The Center for Genetics and Society has filed a brief statement with the Institute of Medicine panel examining the performance of the California stem cell agency, expressing the hope that the inquiry will include “a broader range of sources.”

Marcy Darnovsky, associate executive director of the Berkeley group, said that “a meaningful review by (the IOM) committee could make an important contribution to needed changes at the agency.” Darnovsky’s organization has followed the stem cell effort since its inception.

She noted that CIRM is “a public agency spending increasingly scarce public resources” and has raised the possibility of seeking another multibillion dollar bond measure from voters.

The IOM inquiry has finished half of its public process and is yet to hear an independent analysis of the stem cell agency, which is paying $700,000 for the study.

Earlier Darnovsky told the California Stem Cell Report that the Institute of Medicine has not contacted her organization for comments, although she has spoken with the public relations person for the IOM.

Here is the text of Darnovsky’s statement sent to the IOM.

“The Center for Genetics and Society is a public interest organization working to ensure responsible uses and effective societal governance of human genetic and reproductive technologies.  We support embryonic stem cell research, but have been concerned for some years about a number of aspects of the field, and of the California Institute of Regenerative Medicine in particular.

“We have been closely following CIRM since the campaign for Proposition 71 that established it in 2004. We have attended numerous meetings of the agency’s governing board and Standards Working Group, worked with other public interest groups who share our concerns about CIRM, written frequently about CIRM in our publications, and been cited dozens of times in articles about CIRM in key state and national news outlets.

“In 2006, we published The California Stem Cell Program at One Year: A Progress Report, which assessed CIRM’s performance to that date and offered recommendations. See http://www.geneticsandsociety.org/downloads/200601report.pdf

“In 2008, CGS policy analyst Jesse Reynolds gave invited testimony to the Little Hoover Commission’s hearing on CIRM. See http://www.geneticsandsociety.org/article.php?id=4386

“We are encouraged that the Institute of Medicine is undertaking an independent assessment of CIRM, though we hope that you will invite input from a broader range of sources than were represented at the meeting last month in San Francisco. With key questions about the future of CIRM unresolved, and its leadership contemplating a campaign for another bond measure.

“As I wrote in a recent commentary that expressed our disappointment with the roster of speakers at last month’s hearing,

“Ballot measure or no ballot measure, CIRM will continue to disperse the public money it controls – another billion and a half dollars. This is a public agency spending increasingly scarce public resources. It is funding a field of research in which we place great hopes for medical and scientific advances. These factors make it all the more crucial that CIRM follow the basics of good governance and public accountability, and eschew the hyperbole and exaggerated promises that have tainted stem cell research for so long.

“See  http://www.geneticsandsociety.org/article.php?id=6045

“Please let us know if we can be of help. We would be very glad to share our insights and recommendations.”

Source:
http://californiastemcellreport.blogspot.com/feeds/posts/default?alt=rss

Stem Cell Researchers ‘Uneasy" in California

Sunday, February 5th, 2012


The prestigious journal Nature today said that asking California voters for more billions for stem cell research in a few years “may strike residents as a luxury that they can ill afford.”

The comment came in a piece by Erika Check Hayden dealing with the future of the California stem cell agency, which is expected to run out of money for new grants in about 2017. She wrote,

“Given that California is facing severe budget shortfalls, several billion dollars more for stem-cell science may strike residents as a luxury that they can ill afford. It may also prove difficult for CIRM’s supporters to point to any treatments that have emerged from the state’s investment. So far, the agency has funded only one clinical trial using embryonic stem cells, and that was halted by its sponsor, Geron of Menlo Park, California, last November.

“Yet the institute has spent just over $1 billion on new buildings and labs, basic research, training and translational research, often for projects that scientists say are crucial and would be difficult to get funded any other way. So the prospect of a future without CIRM is provoking unease. ‘It would be a very different landscape if CIRM were not around,’ says Howard Chang, a dermatologist and genome scientist at Stanford University in California.”

Chang was a scheduled witness recently at a public meeting in California of the blue-ribbon Institute of Medicine panel examining the performance of the Golden State’s $3 billion stem cell research effort. Chang is the recipient of $3.2 million in CIRM funding. Hayden wrote,

“Chang has a CIRM grant to examine epigenetics in human embryonic stem cells, and is part of another CIRM-funded team that is preparing a developmental regulatory protein for use as a regenerative therapy. Both projects would be difficult to continue without the agency, he says. Federal funding for research using human embryonic stem cells remains controversial, and could dry up altogether after the next presidential election (see Nature 481, 421–423; 2012). And neither of Chang’s other funders — the US National Institutes of Health (NIH) and the Howard Hughes Medical Institute in Chevy Chase, Maryland — supports his interdisciplinary translational work. Irina Conboy, a stem-cell engineer at the University of California, Berkeley, who draws half of her lab’s funding from CIRM, agrees that in supporting work that has specific clinical goals, the agency occupies a niche that will not easily be filled by basic-research funders. ‘The NIH might say that the work does not have a strong theoretical component, so you’re not learning anything new,’ she says.”

Conboy was also a scheduled witness at the IOM hearing. She holds $2.2 million in CIRM grants.

Source:
http://californiastemcellreport.blogspot.com/feeds/posts/default?alt=rss

Text of IOM Responses to Questions about Lack of Independent Analysis

Sunday, February 5th, 2012


Here is the text of questions from the California Stem Cell Report and answers from the Institute of Medicine concerning its plans to secure independent perspectives during the IOM’s examination of the California stem cell agency. So far, the IOM has not heard publicly from any independent sources.

Christine Stencel, a spokeswoman for the IOM, responded for the IOM. She first gave an overall statement. Then she answered the specific queries. We have inserted the questions from the California Stem Cell Report into her text  in order to make the Q&A easier to follow.

The IOM’s general comment:

“The committee and staff are planning their next info gathering sessions. Specifics of these events haven’t all been worked out yet, but one overall point is that the committee believes it is important to hear the full range of perspectives and experiences with CIRM and the committee members are actively pursuing sources of information that will allow them to adequately answer the questions they’ve been tasked to explore. The study is ongoing and there are still a lot of people and resources to tap and information to learn.

“To your specific questions:”

California Stem Cell Report:

“Does the IOM have plans to talk with or seek statements from such groups as the Little Hoover Commission and the Center for Genetics and Society or state Controller John Chiang?”

IOM response:

“Yes. And the committee is reading all the past reviews of CIRM.”

California Stem Cell Report:

“Does the IOM plan to seek comments from grant applicants rejected by CIRM, particularly businesses? If so how many? How would such applicants be selected by the IOM for interviews or comments?”

IOM response:

“Yes, the committee wishes to hear these perspectives and is seeking ways to get them.”

California Stem Cell Report:

“Does the IOM plan to do more than passively post forms for comment from others? Does it plan to email those forms, for example, to all CIRM grant recipients and applicants who were rejected? Does it plan to follow up to be sure an adequate response is generated?”

IOM response:

“The IOM is proactively working to get survey responses and encouraging people to respond.”

California Stem Cell Report:

“What does the IOM mean by ‘industry partners’ on its (online) forms for comment?”

IOM response:

“Industry partners means CIRM investigators representing for-profit companies.”

California Stem Cell Report:

“Does the IOM plan to examine both public and private complaints about conflicts of interest on the part of CIRM grant reviewers? By private, I mean written complaints to CIRM that the agency retains but has not made public.”

IOM response:

“The committee is looking into the grants review process and working to make sure that the members obtain all relevant insights and information. The committee members intend to invite people who can provide a broad range of experiences with and perspectives of CIRM to the upcoming meeting in April.”

The California Stem Cell Report later asked the IOM if it wanted to comment on a quote that we were considering using, which said,

“In the eyes of the IOM, scientists who draw funding from CIRM and other sources are ‘independent.’ They look at these things differently than regular people would.”

The IOM responded,

“As to the quote you sent, as a response we would just reiterate that the committee is methodically going about its task and during the course of the study aims to gather the full range of information, experiences, and insights relevant to CIRM from a full range of sources.”

Source:
http://californiastemcellreport.blogspot.com/feeds/posts/default?alt=rss

stem cell therapy mexico, Successfully Results – Video

Saturday, February 4th, 2012


23-11-2011 02:11 For instance, neural cells in the brain and spinal cord that have been damaged can be replaced by stem cells. In the treatment of cancer, cells partially damaged by radiation or chemotherapy can be replaced with new healthy stem cells that adapt to the affected area, whether it be part of the brain, heart, liver, lungs, or wherever. Dead cells of almost any kind, no matter the type of injury or disease, can be replaced with new healthy cells thanks to the amazing flexibility of stem cells.

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stem cell therapy mexico, Successfully Results – Video

Stem Cell Treatment Paraplegic – Video

Friday, February 3rd, 2012


31-01-2012 21:38 www.StemCellTreatment.org Jaime Chiriboga was an active adult and ended up in a motorcycle accident and left a quadriplegic. Before receiving stem cell treatment he could not move his limbs. After his stem cell therapy he was able to move his limbs and got back almost 100% sensitivity in his body! We are very happy with the results and even more important Jaime is happy with his results! Please look at our website for more information!

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Stem Cell Treatment Paraplegic – Video

Athersys touts results of phase 1 blood diseases trial

Wednesday, February 1st, 2012

Stem cell therapy developer Athersys (NASDAQ:ATHX) reported positive results from a phase 1 clinical trial in patients with leukemia and similar blood diseases. The trial showed that the company’s MultiStem technology may reduce the incidence and severity graft-versus-host disease, according to a statement from Cleveland-based Athersys. Graft-versus-host disease (GvHD) often occurs after a stem …

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Athersys touts results of phase 1 blood diseases trial

Stem Cell Therapy in Neuromuscular Disease Research – Video

Wednesday, February 1st, 2012


31-01-2012 15:24 MDA Vice President of Research Sanjay Bidichandani explains the promising research being done in neuromuscular disease research using adult stem cells.

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Stem Cell Therapy in Neuromuscular Disease Research – Video

Pro/Am Dancer is "Dancing with the Stars" Again After Stem Cell Therapy in Panama

Wednesday, February 1st, 2012

Pro/Am ballroom dancer and orthodontist, Dr. Janet Vaughan, is once again slated to compete on the professional dance circuit with her current professional partner, Mr. Eddie Stutts (Professional 10-Dance World Champion) following a successful stem cell procedure on her knee in Panama.Corpus Christi, TX (PRWEB) February 01, 2012 Pro/Am ballroom dancer and orthodontist, Dr. Janet Vaughan, is once …

The rest is here:
Pro/Am Dancer is "Dancing with the Stars" Again After Stem Cell Therapy in Panama

ThermoGenesis Provides Update on Res-Q® Clinical Evaluations at Leading Stem Cell Therapy Conference

Wednesday, February 1st, 2012

 RANCHO CORDOVA, Calif., Feb. 1, 2012 /PRNewswire/ — ThermoGenesis Corp. (NASDAQ: KOOL – News), a leading supplier of innovative products and services that process and store adult stem cells, today provided …

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ThermoGenesis Provides Update on Res-Q® Clinical Evaluations at Leading Stem Cell Therapy Conference

Stem cell therapy shows promise for stroke

Wednesday, February 1st, 2012

Treating stroke patients with stem cells taken from their own bone marrow appears to safely help them regain some of their lost abilities, two small new studies suggest.

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Stem cell therapy shows promise for stroke

Stem Cell Therapy Shows Promise for Stroke, Studies Say

Wednesday, February 1st, 2012

WEDNESDAY, Feb. 1 (HealthDay News) — Treating stroke patients with stem cells taken from their own bone marrow appears to safely help them regain some of their lost abilities, two small new studies suggest.

Indian researchers observed mixed results in the extent of stroke patients' improvements, with one study showing marked gains in daily activities, such as feeding, dressing and movement, and the other study noting these improvements to be statistically insignificant. But patients seemed to safely tolerate the treatments in both experiments with no ill effects, study authors said.

“The results are encouraging to know but we need a larger, randomized study for more definitive conclusions,” said Dr. Rohit Bhatia, a professor of neurology at the All India Institute of Medical Sciences in New Delhi, and author of one of the studies. “Many questions — like timing of transplantation, type of cells, mode of transplantation, dosage [and] long-term safety — need answers before it can be taken from bench to bedside.”

The studies are scheduled to be presented Wednesday and Thursday at the American Stroke Association's annual meeting in New Orleans.

Stem cells — unspecialized cells from bone marrow, umbilical cord blood or human embryos that can change into cells with specific functions — have been explored as potential therapies for a host of diseases and conditions, including cancer and strokes.

In one of the current studies, 120 moderately affected stroke patients ranging from 18 to 75 years old were split into two groups, with half infused intravenously with stem cells harvested from their hip bones and half serving as controls. About 73 percent of the stem cell group achieved “assisted independence” after six months, compared with 61 percent of the control group, but the difference wasn't considered statistically significant.

In the other study, presented by Bhatia, 40 patients whose stroke occurred between three and 12 months prior were also split into two groups, with half receiving stem cells, which were dissolved in saline and infused over several hours. When compared to controls, stroke patients receiving stem cell therapy showed statistically significant improvements in feeding, dressing and mobility, according to the study. On functional MRI scans, the stem cell recipients also demonstrated an increase in brain activity in regions that control movement planning and motor function.

Neither study yielded adverse effects on patients, which could include tumor development.

But Dr. Matthew Fink, chief of the division of stroke and critical care neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center, said that the therapy's safety is the only thing the two studies seemed to demonstrate.

“The thing to keep in mind is that these are really phase one trials,” said Fink, also a professor of neurology at Weill Cornell Medical College. “I'm concerned that people get the idea that now stem cell treatment is available for stroke, and that's not the case.”

Fink noted that the cells taken from study participants' hip bones can only be characterized as “bone marrow aspirates” since the authors didn't prove that actual stem cells were extracted.

“They haven't really analyzed if they're stem cells and what they turn into when they go into circulation,” he added. “The best way to look at this is, it's very preliminary . . . when patients come to me to talk about it, I'm going to tell them it's years away before we know if this is going to work.”

Studies presented at scientific conferences should be considered preliminary until published in a peer-reviewed medical journal.

More information

The U.S. National Institutes of Health has more information on stem cells.

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Stem Cell Therapy Shows Promise for Stroke, Studies Say

Stem cell treatment for animals – Video

Monday, January 30th, 2012


26-01-2012 02:37 Animacel ltd. is offering your animal stem cell treatment with newly developed stem cell therapy. At the moment, excellent results are with treatments of different joint problems (arthritis and injury/damage of cartilage, hip dysplasia), tendon problems and supporting/adjuvant stem cell therapy for faster healing of broken bones. We are also developing treatment for heart insufficiency, eye dissease, diabetes, etc. See our webpage www.animacel.com

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Stem cell treatment for animals – Video





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