ROS Modulate Cell Death Mechanism in Cervical Cancer Cells Treated with the Combination of Polyphenolic Compounds and Anticancer Drug Cisplatin: A Review

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Abstract
Background: Most cervical cancer fatalities have been reported due to drug resistance, invasion, and metastasis. Combination therapy is a prominent technique for overcoming the toxicity of cancer chemotherapy to normal cells, which is mediated across numerous targeted pathways and requires a lower dose of each individual agent. Polyphenolic substances have the potential to improve chemotherapy efficacy while also reducing negative effects. Aims: This study aimed to review the research findings on the role of reactive oxygen species (ROS) in cervical cancer cell HeLa treated with combination therapy. Results: Hydroxyl radicals damage DNA, causing a cascade of structural changes in purine and pyrimidine bases that could lead to mutagenicity. ROS, such as hydroxyl radical (OH-), superoxide anions (O2 -), hydrogen peroxide (H2O2), and peroxyl radicals (ROO-), are frequent products of aerobic metabolism that can be beneficial or detrimental to the biological system. To combat the harmful effects of ROS, cells have an antioxidative defense system that comprises superoxide dismutases, catalase, glutathione, and other defensive mechanisms. Excessive ROS accumulation causes DNA damage, which triggers the apoptotic machinery, resulting in cell death. Conclusion: Chemotherapeutic medications with phenolic compounds or polyphenol-rich extracts exhibit anticancer synergy. Combination treatment with polyphenols and anticancer drugs is one of the promising approaches in the treatment of cervical cancer.
Funding Information
  • Ministry of Higher Education Malaysia for Fundamental Research Grant Scheme (FRGS/1/2020/SKK0/USM/02/38)

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