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Published on: May 14, 2016
Survivin, versatile modulation of cell division and apoptosis in cancer
1Department of Cancer Biology and the Cancer Center, LRB-428, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA 01605, USA. dario.altieri@umassmed.edu
Abstract:
Survivin is a member of the inhibitor of apoptosis (IAP) gene family that has attracted attention from several viewpoints of basic and translational research. Its cell cycle-regulated expression at mitosis and association with the mitotic apparatus have been of interest to cell biologists studying faithful segregation of sister chromatids and timely separation of daughter cells. Investigators interested in mechanisms of apoptosis have found survivin an evolving challenge: while survivin inhibits apoptosis in vitro and in vivo, this pathway may be more selective as compared to cytoprotection mediated by other IAPs. Finally, basic and translational researchers in cancer biology have converged on survivin as a pivotal cancer gene, not simply for its sharp expression in tumors and not in normal tissues, but also for the potential exploitation of this pathway in cancer diagnosis and therapy. The objective of the present contribution is to line up current evidence and emerging concepts on the multifaceted functions of survivin in cell death and cell division, and how this pathway is being pursued for novel cancer therapeutic strategies.
Insights
Survivin, a key protein in cell division and apoptosis, is highly expressed in tumors. This research explores its functions and potential as a target for novel cancer therapies.
Area of Science:
- Molecular Biology
- Cell Biology
- Cancer Research
Background:
- Survivin is a member of the inhibitor of apoptosis (IAP) gene family.
- It plays a role in cell cycle regulation, mitosis, and apoptosis.
- Survivin is notably expressed in tumors but not in normal tissues.
Purpose of the Study:
- To review current evidence on survivin's functions in cell death and division.
- To explore emerging concepts regarding survivin's multifaceted roles.
- To outline strategies for targeting survivin in cancer therapy.
Main Methods:
- Literature review of basic and translational research on survivin.
- Analysis of survivin's involvement in apoptosis and cell division mechanisms.
- Examination of survivin's potential in cancer diagnosis and treatment.
Main Results:
- Survivin regulates mitosis and influences apoptosis, though its apoptotic inhibition may be selective.
- Its distinct expression pattern in tumors makes it a significant cancer biomarker.
- Survivin's pathways offer potential for developing new cancer therapeutic strategies.
Conclusions:
- Survivin is a crucial protein with dual roles in cell division and apoptosis.
- Its tumor-specific expression highlights its importance in cancer biology.
- Targeting survivin presents a promising avenue for innovative cancer treatments.
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