ABT-263
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Signal Transduction Inhibitor -> ABT-263
ABT-263 Definition
An orally active, synthetic small molecule and an antagonist of a subset of the B-cell leukemia 2 (Bcl-2) family of proteins with potential antineoplastic activity. ABT-263 selectively binds to apoptosis suppressor proteins Bcl-2, Bcl-XL, and Bcl-w, which are frequently overexpressed in a wide variety of cancers, including those of the lymph, breast, lung, prostate, and colon, and are linked to tumor drug resistance. Inhibition of these apoptosis suppressors prevents their binding to the apoptotic effectors Bax and Bak proteins, thereby triggering apoptotic processes in cells overexpressing Bcl-2, Bcl-XL, and Bcl-w. This eventually reduces tumor cell proliferation.
ABT-263 Synonyms
BcI-2 Family Protein Inhibitor ABT-263, ABT-263
Terms in ABT-263 category
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