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AM80 Blocks Early Multiple Sclerosis in Mice

Date:
May 26, 2009
Source:
American Journal of Pathology
Summary:
Researchers have found that the synthetic retinoid AM80 is effective in treating early symptoms in a mouse model of multiple sclerosis (MS).

Researchers led by Drs. Takahashi Yamamura and Shinji Oki at the National Institute of Neuroscience, Tokyo, Japan have found that the synthetic retinoid AM80 is effective in treating early symptoms in a mouse model of multiple sclerosis (MS).

MS is a disease where the immune system attacks the central nervous system, preventing communication between nerve cells in the brain and the spinal cord. A certain type of immune cell, Th17 T cells, plays a pathogenic role in MS and other autoimmune diseases.

Using a mouse model of MS, Klenmann et al found that AM80, a synthetic molecule related to vitamin A, inhibited Th17 T cell function without generating general immunosuppression. AM80 treatment was effective in inhibiting early symptoms in the MS mouse model, even if administered after disease initiation, but it did not prevent chronic symptoms.

Drs. Yamamura, Oki, and colleagues "conclude that treatment with the synthetic retinoid AM80 is a considerable intervention strategy for the acute phase of Th17-mediated autoimmune diseases such as MS."


Story Source:

The above story is based on materials provided by American Journal of Pathology. Note: Materials may be edited for content and length.


Journal Reference:

  1. Klemann C, Raveney BJE, Klemann AK, Ozawa T, von Hφrsten S, Shudo K, Oki S, Yamamura T. Synthetic retinoid AM80 inhibits Th17 cells and ameliorates EAE. American Journal of Pathology, June, 2009; 174: 2234-2245

Cite This Page:

American Journal of Pathology. "AM80 Blocks Early Multiple Sclerosis in Mice." ScienceDaily. ScienceDaily, 26 May 2009. <www.sciencedaily.com/releases/2009/05/090522081203.htm>.
American Journal of Pathology. (2009, May 26). AM80 Blocks Early Multiple Sclerosis in Mice. ScienceDaily. Retrieved October 22, 2014 from www.sciencedaily.com/releases/2009/05/090522081203.htm
American Journal of Pathology. "AM80 Blocks Early Multiple Sclerosis in Mice." ScienceDaily. www.sciencedaily.com/releases/2009/05/090522081203.htm (accessed October 22, 2014).

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