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Donald Lee (Tisch MS) presented the following article in Journal Club.
Article Title: Inhibition of Fatty Acid Metabolism Ameliorates Disease Activity in an Animal Model of Multiple Sclerosis
Reference: L.P. Shriver and M. Manchester. Sci. Rep. 1, 79; DOI:10.1038/srep00079 (2011).
Multiple sclerosis is an inflammatory demyelinating disease of the central nervous system and a leading cause of neurological disability. The complex immunopathology and variable disease course of multiple sclerosis have limited effective treatment of all patients. Altering the metabolism of immune cells may be an attractive strategy to modify their function during autoimmunity. The authors of the present article examined the effect of inhibiting fatty acid metabolism in experimental autoimmune encephalomyelitis (EAE), a mouse model of multiple sclerosis. Mice treated with an inhibitor of carnitine palmitoyltransferase 1 (CPT-1), the rate-limiting enzyme in the beta-oxidation of fatty acids, showed a reduction in disease severity as well as less inflammation and demyelination. Inhibition of CPT-1 in encephalitogenic T-cells resulted in increased apoptosis and reduced inflammatory cytokine production. These results suggest that disruption of fatty acid metabolism promotes downregulation of inflammation in the CNS and that this metabolic pathway is a potential therapeutic target for multiple sclerosis.