Growth factor in stem cells may spur recovery from MS

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MSUK
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Growth factor in stem cells may spur recovery from MS

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A substance in human mesenchymal stem cells that promotes growth appears to spur restoration of nerves and their function in rodent models of multiple sclerosis (MS), researchers at Case Western Reserve University School of Medicine have found.

Their study appeared in the online version of Nature Neuroscience on Sunday, May 20.

In animals injected with hepatocyte growth factor, inflammation declined and neural cells grew. Perhaps most important, the myelin sheath, which protects nerves and their ability to gather and send information, regrew, covering lesions caused by the disease.

"The importance of this work is we think we've identified the driver of the recovery," said Robert H. Miller, professor of neurosciences at the School of Medicine and vice president for research at Case Western Reserve University.... Read More - http://www.msrc.co.uk/index.cfm/fuseact ... ageid/1405
MS-UK - http://www.ms-uk.org/
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Quest56
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Re: Growth factor in stem cells may spur recovery from MS

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The relationship between exercise and human growth factors is very relevant:

http://content.onlinejacc.org/cgi/conte ... 43/12/2314

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Re: Growth factor in stem cells may spur recovery from MS

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Last edited by Liberation on Tue Mar 10, 2020 3:19 am, edited 1 time in total.
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lyndacarol
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Re: Growth factor in stem cells may spur recovery from MS

Post by lyndacarol »

And then there is this:

Growth factor was mentioned in the Winter 08-09 issue of the MS Society publication named Momentum:

"The growth factor IGF-1 had shown some success in promoting myelin formation, so a Society-funded team led by Stephane Genoud, PhD (The Salk Institute, La Jolla, Calif.), injected it into mice with EAE. The injections actually worsened the disease. (Journal of Neuroimmunology 2005; 168:40-5) Such failures are important to pinpoint before they affect people with MS in clinical trials."

Here is the abstract of the work mentioned:

1: J Neuroimmunol. 2005 Nov;168(1-2):40-5. Epub 2005 Aug 24. Links
Targeted expression of IGF-1 in the central nervous system fails to protect mice from experimental autoimmune encephalomyelitis.Genoud S, Maricic I, Kumar V, Gage FH.
Laboratory of Genetics, The Salk Institute, 10010 N Torrey Pines Rd, La Jolla, CA 92037, USA.

Insulin-like growth factor 1 (IGF-1) has been identified as a critical molecule in the induction of myelination in the central nervous system (CNS). Systemic injection of IGF-1 has been shown to have a varied and transiently protective effect on the clinical course of experimental autoimmune encephalomyelitis (EAE). Since systemic IGF-1 can also modulate peripheral immune lymphocytes, we examined whether a sustained and local delivery of IGF-1 into the spinal cord would have any influence on the chronic course of EAE in C57/BL6 mice. The capability of adeno-associated virus (AAV) to be retrogradely transported efficiently from muscle to motor neurons of the spinal cord was used to overcome the difficulty routinely encountered when attempting chronic delivery of molecules into the CNS. We demonstrate that AAV-mediated delivery of IGF-1 in CNS did not have any beneficial effect on the clinical course of EAE. Injection of AAV-IGF1 after induction of the disease worsened the clinical symptoms. Furthermore, CNS expression of IGF-1 did not affect the pathogenic anti-MOG T cell response, as examined by proliferation and cytokine secretion. Thus, enhanced expression of IGF-1 in the CNS during inflammation does not have a significant effect on myelination. These data have important implications for the potential use of IGF-1 in the treatment of multiple sclerosis.

PMID: 16120466 [PubMed - indexed for MEDLINE]
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Re: Growth factor in stem cells may spur recovery from MS

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