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Updated: Feb 14, 2026
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Cell Cycle-specific Measurement of γH2AX and Apoptosis After Genotoxic Stress by Flow Cytometry
Published on: September 1, 2019
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PDCD5 regulates cell proliferation, cell cycle progression and apoptosis.
Penghui Li1, Hongxin Fei2, Lihong Wang3
1Department of Biogenetics, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China.
Oncology Letters
|February 7, 2018
Summary
Programmed cell death protein 5 (PDCD5) overexpression inhibits cancer cell proliferation and induces apoptosis by regulating key cell cycle and apoptosis proteins. PDCD5 shows potential as a novel tumor suppressor for cancer therapy.
Area of Science:
- Molecular Biology
- Cancer Research
- Cell Biology
Background:
- Programmed cell death protein 5 (PDCD5) is implicated in tumor growth and apoptosis.
- Understanding PDCD5's function is crucial for cancer research.
Purpose of the Study:
- To investigate the molecular and cellular functions of PDCD5.
- To establish a PDCD5 stably overexpressing A431 cell line.
- To examine PDCD5's role in cell proliferation, cell cycle, and apoptosis.
Main Methods:
- Established a PDCD5 stably overexpressing A431 cell line.
- Analyzed cell proliferation, cell cycle progression, and apoptosis.
- Investigated the expression of P53, BCL-2, BAX, and CASP3 at transcript and protein levels.
Main Results:
- Overexpression of PDCD5 significantly inhibited A431 cell proliferation.
- PDCD5 overexpression induced G2/M phase cell cycle arrest and apoptosis.
- PDCD5 modulated the expression of P53, BCL-2, BAX, and CASP3, acting as an upstream regulator.
Conclusions:
- PDCD5 regulates cell proliferation, cell cycle, and apoptosis in A431 cells.
- PDCD5 functions as a tumor suppressor gene.
- PDCD5 holds potential for future cancer treatment strategies.
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