Reg-T-cells may not be the culprit

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Reg-T-cells may not be the culprit

Postby Frank » Sun Sep 07, 2008 12:44 am

Regulatory immune cells may not be defective in Multiple Sclerosis
05 September 2008

Multiple sclerosis (MS) is a chronic inflammatory disease that causes neurodegeneration, resulting in numerous physical and mental disabilities. It is thought to be caused by out of control immune cells that attack the proteins that make up the protective sheath in which nerve cells are encased.

In addition, it has been reported that a subset of immune cells known as Tregs (characterized by expression of the protein CD4 and high levels of expression of the protein CD25), which suppresses the function of aggressive immune cells, is defective in individuals with MS, and that this contributes to the progression of the disease.

However, it has recently been shown that if CD4+CD25high cells are divided into cells expressing high and low levels of the protein CD127 only the CD4+CD25highCD127low cells have suppressive capability.

Thus, Jean-Paul Soulillou and colleagues, at INSERM U643, France, compared the suppressive capabilities of CD4+CD25highCD127low cells from individuals with MS and healthy individuals. Surprisingly, they found that these cell populations were equally effective suppressors of aggressive immune cells when analyzed in vitro.

These data therefore indicate that the suppressive function of Tregs (when characterized as CD4+CD25highCD127low) is not defective in individuals with MS, suggesting that this defective Treg function is not a factor that contributes to the development of this debilitating autoimmune disease.

Source: Medical News Today © 2008 MediLexicon International Ltd (05/09/08)
Treatment: Gilenya since 01/2011, CCSVI both IJV ballooned 09/2010, Tysabri stopped after 24 Infusions and positive JCV antibody test, after LDN, ABX Wheldon Regime for 1 year.
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Postby VodooDoll » Mon Sep 08, 2008 12:30 pm

Interesting article - thanks for the post.
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