The Role of Death Domains Superfamily in Multiple Sclerosis PathogenesisReportar como inadecuado

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Multiple sclerosis MS and its animal model, experimental autoimmune encephalomyelitis EAE, are inflammatory diseases of the central nervous system CNS, mediated by several immune cells. Oligodendrocytes are responsible for the formation and maintenance of myelin around multiple axons. In MS oligodendrocytes are the targets of inflammatory and immune attacks. Thus, the destruction of a single oligodendrocyte, possibly by apoptosis, results in the loss of myelin around several axons and the loss of many oligodendrocytes limiting the ability to repair or regenerate demyelinated areas. Apoptosis is mediated by an aggregation of various protein components, specifically death domains DD superfamily. This superfamily is composed of the death domain DD, the death effector domain DED, the caspase recruitment domain CARD and the pyrin domain PYD subfamilies. Within each subfamily, members form homotypic interactions and facilitate the assembly of oligomeric signaling complexes. Members of the death domain superfamily are critical components of apoptotic and inflammatory signaling. We summarize the structure and functions of the DD superfamily, and describe the role of the DD proteins in oligodendrocytes death and proinflammatory activation in MS pathogenesis.


Multiple Sclerosis, Death Domain, Oligodendrocytes, Inflammation, Apoptosis

Cite this paper

Hamid, K. and Mirshafiey, A. 2015 The Role of Death Domains Superfamily in Multiple Sclerosis Pathogenesis. Open Access Library Journal, 2, 1-11. doi: 10.4236-oalib.1101210.

Autor: Kabir M. Hamid1, Abbas Mirshafiey2*



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