Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 255, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2023.115423
Keywords
MDM2; XIAP; Dual MDM2; XIAP inhibitors; Structure-activity relationships; Antiproliferative activities; Human 22Rv1 prostate xenograft model
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This study designed and synthesized a series of dual MDM2/XIAP inhibitors based on the tetrahydroquinoline scaffold and tested their cytotoxicity in human cancer cell lines. The compound 3e showed the best performance and effectively inhibited tumor growth in a 22Rv1 prostate cancer xenograft model. Overall, the results suggest that the tetrahydroquinoline scaffold has the potential for further preclinical development as a dual-targeting strategy for MDM2 and XIAP.
Overexpression of both human murine double minute 2 (MDM2) and X-linked inhibitor of apoptosis protein (XIAP) is detected in tumor cells from several cancer types, including childhood acute leukemia lymphoma (ALL), neuroblastoma (NB), and prostate cancer, and is associated with disease progression and treatment resistance. In this report, we described the design and syntheses of a series of dual MDM2/XIAP inhibitors based on the tetrahydroquinoline scaffold from our previously reported lead compound JW-2-107 and tested their cytotoxicity in a panel of human cancer cell lines. The best compound identified in this study is compound 3e. Western blot analyses demonstrated that treatments with 3e decreased MDM2 and XIAP protein levels and increased expression of p53, resulting in cancer cell growth inhibition and cell death. Furthermore, compound 3e effectively inhibited tumor growth in vivo when tested using a human 22Rv1 prostate cancer xenograft model. Collectively, results in this study strongly suggest that the tetrahydroquinoline scaffold, represented by 3e and our earlier lead compound JW-2-107, has abilities to dual target MDM2 and XIAP and is promising for further preclinical development.
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