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ID: ALA4316609
Journal: Bioorg Med Chem
Title: Chemical synthesis and functional characterization of a new class of ceramide analogues as anti-cancer agents.
Authors: Liu Q, Li X, Bao YS, Lu J, Li H, Huang Z, Liu F.
Abstract: Deregulation of ceramide metabolism is a hallmark of human cancer. Ceramide analogues thereby represent a new class of anti-cancer agents. We aimed at developing effective and low toxic ceramide analogues and synthesized a new class of ceramide analogues starting from l-threonine. Several analogues exhibit potent cytotoxicity against human cancer cells in vitro with IC50 as low as 4.8 μM. These ceramide analogues decreased xIAP and Bcl-xL level and exhibited significant sensitization activity to overcome human cancer cell resistance to TRAIL, a cancer-selective agent that are being tested in human clinical trials. Furthermore, we determined that these ceramide analogues effectively suppress human cancer xenograft growth in vivo with no significant toxicity at the efficacious dose. Therefore, we have developed a simple and effective method to synthesize functional ceramide analogues using l-threonine as starting material and these analogues have the great potential to be further developed as anti-cancer agents in human cancer therapy.
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