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Updated: Sep 9, 2025
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Visualization of DNA Replication in the Vertebrate Model System DT40 using the DNA Fiber Technique
Published on: October 27, 2011
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Biological Role of Replication Factor C Subunit 4 in Cervical Cancer Cell Progression
Seon-Joo Park1, Jae Woong Koh2, Tae-Bum Lee1
1Department of Premedical Science, College of Medicine, Chosun University, Gwangju, Republic of Korea.
Anticancer Research
|August 28, 2025
Summary
Replication factor C subunit 4 (RFC4) is elevated in cervical cancer cells, driving proliferation and metastasis. Inhibiting RFC4 in cervical cancer cells halts tumor growth and spread, suggesting RFC4 as a potential therapeutic target.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Cervical cancer originates from cervical epithelial cells, often linked to persistent high-risk human papillomavirus infections.
- Replication factor C subunit 4 (RFC4) is crucial for DNA replication and repair processes.
- Understanding RFC4's function in cervical cancer is vital for developing targeted therapies.
Purpose of the Study:
- To investigate the role of Replication factor C subunit 4 (RFC4) in cervical cancer progression.
- To determine the impact of RFC4 expression levels on cervical cancer cell behavior.
- To explore RFC4 as a potential therapeutic target for cervical cancer.
Main Methods:
- Quantitative real-time PCR and western blotting were used to measure RFC4 mRNA and protein expression.
- RFC4 was downregulated using small interfering RNA in cervical cancer cell lines (HeLa, ME-180, SiHa).
- Cell proliferation, migration, invasion, and cell cycle distribution were assessed using MTT, colony formation, migration/invasion assays, and flow cytometry.
Main Results:
- RFC4 expression was significantly upregulated in cervical cancer cells at both mRNA and protein levels.
- RFC4 knockdown suppressed cell proliferation, migration, and invasion capabilities of cervical cancer cells.
- Downregulation of RFC4 led to cell-cycle arrest, thereby inhibiting cancer cell proliferation.
Conclusions:
- RFC4 plays a critical role in the progression and metastasis of cervical cancer.
- RFC4 inhibition demonstrates potential for halting cervical cancer cell growth and spread.
- RFC4 represents a promising therapeutic target for patients diagnosed with cervical cancer.
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