sentences:  The mechanism of action for glatiramer acetate is not fully elucidated.It is thought to act by modifying immune processes that are currently believed to be responsible for the pathogenesis of MS. Administration of glatiramer acetate shifts the population of T cells from proinflammatory Th1 T-cells to regulatory Th2 T-cells that suppress the inflammatory response.Given its resemblance to myelin basic protein, glatiramer acetate may act as a decoy, diverting an autoimmune response against myelin.