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Motoneuron-like cell transplantation and GDNF delivery for repair of SCI

Posted: July 21, 2014 at 6:43 pm

PUBLIC RELEASE DATE:

18-Jul-2014

Contact: Meng Zhao eic@nrren.org 86-138-049-98773 Neural Regeneration Research

Adipose-derived stem cells-transdifferentiated motoneurons after transplantation can integrate in the host cord. However, cell survival has been restricted by a lack of ideal environment for nerve cell growth. Taki Tiraihi, Shefa Neuroscience Research Center at Khatam Al-Anbia Hospital, Iran developed rat models of spinal cord injury (SCI) and injected adipose-derived stem cells-transdifferentiated motoneurons into the epicenter, rostral and caudal regions of the impact site and simultaneously transplanted glial cell line-derived neurotrophic factor (GDNF)-gelfoam complex into the myelin sheath. Motoneurons-like cell transplantation combined with GDNF delivery reduced cavity formations and increased cell density in the transplantation site. The combined therapy exhibited superior promoting effects on recovery of motor function to transplantation of GDNF, adipose-derived stem cells or motoneurons alone. These findings suggest that motoneuron-like cell transplantation combined with GDNF delivery holds a great promise for repair of spinal cord injury. Related results were published in Neural Regeneration Research (Vol. 9, No. 10, 2014).

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Article: "Intraspinal transplantation of motoneuron-like cell combined with delivery of polymer-based glial cell line-derived neurotrophic factor for repair of spinal cord contusion injury" by Alireza Abdanipour, Taki Tiraihi, Taher Taheri (Shefa Neuroscience Research Center at Khatam Al-Anbia Hospital, Tehran, Iran) Abdanipour A, Tiraihi T, Taheri T. Intraspinal transplantation of motoneuron-like cell combined with delivery of polymer-based glial cell line-derived neurotrophic factor for repair of spinal cord contusion injury. Neural Regen Res. 2014;9(10):1003-1013.

Contact: Meng Zhao eic@nrren.org 86-138-049-98773 Neural Regeneration Research http://www.nrronline.org/

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

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Motoneuron-like cell transplantation and GDNF delivery for repair of SCI

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Hello Doctor Nandani Gokulchandran On Stem Cell Therapy Treatment 20th July 2014 – Video

Posted: July 21, 2014 at 6:41 pm


Hello Doctor Nandani Gokulchandran On Stem Cell Therapy Treatment 20th July 2014

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Hello Doctor Nandani Gokulchandran On Stem Cell Therapy Treatment 20th July 2014 - Video

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ViaCyte asks FDA for go-ahead with human trials of cell replacement therapy for diabetes

Posted: July 21, 2014 at 6:41 pm

ViaCyte, a privately held regenerative medicine company developing a cell replacement therapy for the treatment of diabetes, has filed an Investigational New Drug application with the United States Food and Drug Administration, seeking to start a Phase 1/2 clinical trial in patients with type 1 diabetes, it was reported on Friday.

The trial will assess the safety and efficacy of ViaCyte's VC-01 product candidate, a stem cell-derived, encapsulated cell replacement therapy. The company has also submitted a Medical Device Master File to the United States Food and Drug Administration in support of the Encaptra drug delivery system, the device component of the VC-01 product candidate. The company's VC-01 product candidate includes pancreatic progenitor cells, called PEC-01 cells, which are derived from a proprietary human embryonic stem cell line.

Paul Laikind, Ph.D., president and chief executive officer of ViaCyte, said, 'The filing of this IND represents the culmination of many years of research and development by a dedicated team focused on developing a cell replacement therapy for patients with type 1 diabetes and advancing our VC-01 product candidate to human clinical trials. The ViaCyte team has been assisted and supported by the California Institute for Regenerative Medicine (CIRM) a leading organisation focused on advancing the field of stem cell-based technologies, and JDRF, the leading advocacy organisation for patients with type 1 diabetes.'

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ViaCyte asks FDA for go-ahead with human trials of cell replacement therapy for diabetes

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Stem cells: The major developments in modern medicine — Stem cell bank for all – Video

Posted: July 21, 2014 at 1:40 pm


Stem cells: The major developments in modern medicine -- Stem cell bank for all
Stem cell is a simple cell in the body that is able to develop into any one of various kinds of cells. In 1868, German biologist Ernst Haeckel for the first ...

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Stem cells: The major developments in modern medicine -- Stem cell bank for all - Video

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Stem Cell Therapy in Cardiac Disease – Charles Murry, MD, Ph.D. – Video

Posted: July 21, 2014 at 1:40 pm


Stem Cell Therapy in Cardiac Disease - Charles Murry, MD, Ph.D.
How can we harness the power of stem cells to repair the heart or other damaged organs? Dr. Chuck Murry, Dept. of Pathology; Director, Center for Cardiovascular Biology at the University of...

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Stem RX Bioscience Solution Pvt Ltd hold awareness program on stem cell therapy – Video

Posted: July 20, 2014 at 1:48 pm


Stem RX Bioscience Solution Pvt Ltd hold awareness program on stem cell therapy

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Stem RX Bioscience Solution Pvt Ltd hold awareness program on stem cell therapy - Video

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Okyanos Heart Institute Live on 850 WFTL: Adult Stem Cell Therapy for Heart Disease – Video

Posted: July 20, 2014 at 1:48 pm


Okyanos Heart Institute Live on 850 WFTL: Adult Stem Cell Therapy for Heart Disease
Okyanos #39; Chief Medical Officer Dr. Howard (Bo) Walpole and Chief Science Officer sat down with Karen Curtis at 850 WFTL in Ft. Lauderdale to discuss the promise of adult stem cell therapy as...

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Okyanos Heart Institute Live on 850 WFTL: Adult Stem Cell Therapy for Heart Disease - Video

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Common shoulder conditions treated with stem cell therapy – Video

Posted: July 20, 2014 at 1:48 pm


Common shoulder conditions treated with stem cell therapy
In this video, Ross Hauser, MD discusses the types of shoulder conditions our Prolotherapy team specializes in treating with stem cell therapy and platelet rich plasma Prolotherapy. If you...

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Professor John Rasko on SBS Insight – Video

Posted: July 20, 2014 at 6:41 am


Professor John Rasko on SBS Insight
Royal Prince Alfred Hospital #39;s Director of Cell and Molecular Therapies, Professor John Rasko, was invited as a guest on SBS Insight #39;s special on stem cell medicine.

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Conflicts of interest pervasive on California stem cell board

Posted: July 20, 2014 at 6:41 am

There's no good time for a public agency to be embroiled in a conflict-of-interest scandal, but this is an especially delicate time for California's stem cell agency.

The California Institute for Regenerative Medicine, as the program is known formally, is on track to finish doling out its $3 billion in funding from the state's voters as soon as 2017. Its original sponsor, Northern California real estate developer Robert Klein II, has been quoted talking about another $5-billion infusion, perhaps via the 2016 ballot.

Any such effort will refocus attention on the program board's inherent conflicts of interest, which were baked in by the terms of Proposition 71, Klein's 2004 ballot initiative that created CIRM and funded it through a bond issue. The prestigious Institute of Medicine in a 2012 report found these conflicts to lead to questions about "the integrity and independence of some of CIRM's decisions."

And now here comes another case. This one involves CIRM former President Alan Trounson, an Australian biologist who left the agency on June 30 and joined the board of one of its highest-profile financial partners a mere seven days later. Trounson's new employer, Stem Cells Inc., is the recipient of a nearly $20-million loan for Alzheimer's research.

CIRM says Trounson's quick move to Stem Cells Inc., where he'll receive a stipend of at least $90,000 a year, is legally "permissible." But officials there acknowledge they were blindsided; the agency learned about Trounson's new position from the company's press release.

Afterward, CIRM rushed out a statement acknowledging that Trounson's appointment to the board of a CIRM loan recipient "creates a serious risk of a conflict of interest." The agency says it will place the relationship between CIRM and the company under "a full review." Administrators reminded Trounson, board members and agency staff that state law bars him from communicating with them on any administrative matter involving Stem Cells Inc. The company declined to comment.

The relationship already reeked of cronyism. As we reported in 2012, the Newark, Calif.-based firm's co-founder, Irving Weissman, director of Stanford University's Institute for Stem Cell Biology and Regenerative Medicine, had been one of the most prominent and outspoken supporters of Proposition 71.

He's also a leading recipient of CIRM funding, listed as the principal investigator on four Stanford grants totaling nearly $35 million. CIRM contributed $43.6 million toward the construction of his institute's $200-million research building at the Stanford campus. Weissman and his wife, Ann Tsukamoto, owned nearly 380,000 shares of the firm as of last April, according to a corporate disclosure. Tsukamoto is one of the company's top executives; Weissman is a board member.

Trounson's move comes as CIRM must begin looking to the future, but any discussions about extending the agency's life span will have to address the flaws created by Proposition 71. Among them is the program's very structure, and even its scientific goals.

Klein's ballot proposition exempts CIRM from virtually any oversight or accountability. Each of the 29 governing board members has to be associated with a California public or private research institution or company, or an advocacy group for patients of one disease or another. The qualifications for board chairman are so specific they initially yielded a single credible candidate: Bob Klein.

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Conflicts of interest pervasive on California stem cell board

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