Therapeutic Impact of Sphingosine 1-phosphate Receptor Signaling in Multiple Sclerosis

Author(s): Kristina Candido, Henry Soufi, Mausumi Bandyopadhyay, Subhajit Dasgupta

Journal Name: Mini-Reviews in Medicinal Chemistry

Volume 16 , Issue 7 , 2016

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Multiple sclerosis (MS) is a female predominant autoimmune demyelinating disease of central nervous system. The proper etiology is not clear. The existing therapies with interferon beta (Betaseron, Rebif), glatiramer acetate (copolymer 1, copaxone) are found to be promising for MS patients. The alpha-4 integrin antagonist monoclonal antibody Natalizumab has been found to decrease brain inflammation in relapsing-remitting MS via inhibition of alpha-4 beta- 1 integrinmediated mode of action of antigen -primed T cells to enter into central nervous system through blood brain barrier. The advancement of drug development introduced prospects of CD52 monoclonal antibody Alemtuzumab and CD20 monoclonal antibody Rituximab in MS therapy. The benefit versus risk ratios of these therapeutic monoclonal antibodies are currently under clinical trial. The ongoing researches demonstrated the importance of HMG-CoA reductase inhibitor statins, NF-κBp65 inhibitor NBD peptide, and antagonist of poly-ADP-ribose polymerase (PARP) in experimental autoimmune encephalomyelitis (EAE), animal model for MS. Recently, the clinical trials indicated the therapeutic prospect of G-protein coupled sphingosine 1-phosphate receptor (S1PR) in MS patients. Recent studies showed remyelination through selective activation of oligodendrocyte progenitor cells. In the context, role of S1PR-mediated signals following interaction with natural ligand S1P and agonist Fingolimod (FTY720) gain profound therapeutic importance in prevention of demyelination in MS brain. The S1PR agonist Fingolimod (FTY 720) has recently been approved by Food and Drug Administration for MS therapy. In the review, we provided an insight on S1PR mode of action in the aspect of treatment of autoimmune disorder, re-myelination and regeneration of axons in damaged central nervous system in multiple sclerosis.

Keywords: Fingolimod, multiple sclerosis, oligodendrocyte, sphingosine1-phosphate receptor, T cell.

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Article Details

Year: 2016
Published on: 09 July, 2015
Page: [547 - 554]
Pages: 8
DOI: 10.2174/1389557515666150709122517
Price: $65

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