Document Type : Review Article
Authors
1
Pharmaceutical chemistry department, Faculty of pharmacy, Ain Shams University, Cairo, Egypt
2
Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo11566, Egypt
3
Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo 11566, Egypt
4
Pharmaceutical chemistry department, Faculty of Pharmacy,Ain Shams University, Cairo, Egypt
Abstract
Apoptosis is a normal physiological process which is very crucial to maintain tissue homeostasis. Dysregulated apoptosis can lead to various diseases as cancer. Thus, evasion of apoptosis stands out as a key hallmark of cancer cells. Bcl-2 family of proteins is the key modulator of the mitochondrial apoptotic pathway. Therefore, the balance between the anti-apoptotic (BCL-2, BCL-XL and MCL-1) and pro-apoptotic (BAK, BAX, BAD, PUMA and NOXA) members of this family will govern cell fate. Overexpression of anti-apoptotic BCL-2 members including MCL-1 is implicated in the progression of many human cancers as well as the emerging resistance to various anti-cancer agents including targeted therapies. Indeed, inhibition of the anti-apoptotic BCL-2 members by small molecule BH3 mimetics may provide an excellent approach in cancer therapy. Unfortunately, it was reported that MCL-1 overexpression is linked to Venetoclax, first FDA approved BCL-2 selective inhibitor, resistance in AML. Thus, inhibition of MCL-1 with a selective small molecule inhibitor may provide an attractive strategy in cancer targeted therapy. Recently, several small molecule MCL-1 selective inhibitors have been developed and few are testing in clinical trials. Herein, we will discuss the recent advances in the development of selective small molecule MCL-1 inhibitors.
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