Inhibitors of Apoptosis Proteins (IAPs): Clinical Significance in Cancer Treatment Research


  • Kunal M. Tewari Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth Deemed University, Erandwane, Paud Road, Pune 411038, Maharashtra, India
  • Suneela S. Dhaneshwar Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth Deemed University, Erandwane, Paud Road, Pune 411038, Maharashtra, India



Apoptosis, Survivin, X-linked inhibitor of apoptosis protein (XIAP), cellular IAPs, NAIP, ILP-2, Livin, BRUCE.


 Apoptosis is a process, which involves a sequence of cellular changes, which ultimately lead to cell death. This programmed cell death is a normal phenomenon required for growth of an organism. Inhibition of apoptosis can result in a number of cancers, inflammatory and autoimmune diseases and viral infections. Inhibitors of apoptosis proteins (IAPs) are a family of structurally and functionally related proteins, which play a crucial role in apoptosis (programmed cell death), proliferation and angiogenesis. Till date 8 IAPs have been identified (Survivin, XIAP, Livin, cellular IAP 1 and 2, ILP-2, NAIP and BRUCE/Apollon). The current review discusses individual protein in details with respect to its structural features, functions and clinical significance. These proteins; especially survivin, XIAP and Livin have been found to express in wide range of malignancies and hence taken as a target of interest by various research groups. The review also highlights the various Phase- 1 and 2 studies of new therapeutic agents that are being developed either as a monotherapy or in combination with existent drugs, which target these IAPs.


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How to Cite

Kunal M. Tewari, & Suneela S. Dhaneshwar. (2012). Inhibitors of Apoptosis Proteins (IAPs): Clinical Significance in Cancer Treatment Research . Journal of Cancer Research Updates, 1(2), 212–220.