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Birinapant C화학적 특성, 용도, 생산
개요
Birinapant is a bivalent mimetic of the Diablo homolog known as second mitochondria-derived activator of caspase (Smac). It is an antagonist of cellular inhibitor of apoptosis 1 (cIAP1, or BIRC2), cIAP2 (BIRC3), and XIAP (BIRC4), binding each at nanomolar concentrations. Birinapant causes rapid cIAP1 degradation, caspase activation, PARP cleavage, and NF-κB activation in breast cancer cells. It shows in vivo antitumor activity, inducing apoptosis in several types of cancer xenografts in mice.
효소 저해제
This rotationally symmetric SMAC mimetic antagonist and anticancer agent (FW = 806.94 g/mol; CAS 1260251-31-7) targets cellular Inhibitor of Apoptosis Protein (or cIAP1; Kd of <1 nM), arguably the most potent mammalian caspase inhibitor, showing single-agent efficacy due to its panIAP antagonism and causing rapid cIAP1 degradation, caspase activation, PARP cleavage, and NF-κB activation. When administered in combination with TNF-α, Birinapant is effective against a melanoma cell line with acquired resistance to BRAF inhibitors
