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MRS1067 is an A3 adenosine receptor antagonist.

MRS 1067 is a competitive antagonist of the adenosine A3 receptor that inhibits the suppression of adenylate cyclase by adenosine A3 receptor agonists and affects the activation of G proteins. MRS 1067 can be used in research related to inflammation and cancer[1].

Adenosine A₃ receptor

[1] Jacobson KA, et al. Pharmacological characterization of novel A3 adenosine receptor-selective antagonists. Neuropharmacology. 1997 Sep;36(9):1157-65. DOI:10.1016/s0028-3908(97)00104-4