CYM 5442 hydrochloride is a potent and selective EDG-1 (S1P1) agonist in vitro (EC50 = 1.35 nM). Shown to activate S1P1-mediated p42/p44 MAPK phosphorylation in CHO-K1 cells transfected with S1P1. Induces acute lymphopenia in mice. Brain penetrant.
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