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Testing Targeted Therapies in Cancer using Structural DNA Alteration Analysis and Patient-Derived Xenografts
Published on: July 25, 2020
Suicide gene strategies applied in ovarian cancer studies
Quoc Manh Nguyen1, Pierre-François Dupré1,2, Tanguy Haute1
1Univ Brest, Inserm, EFS, UMR 1078, GGB, GTCA team, "Gene Transfer and Combined therapeutic Approaches", CHU de Brest, 22 avenue Camille Desmoulins, F-29200, Brest, France.
Abstract:
Ovarian cancer represents the most lethal gynecological malignancy among women in developed countries. Despite the recent innovations, the improvements in the 5-year survival rate have been insufficient and the management of this disease still remains a challenge. The fact that the majority of patients experience recurrent or resistant disease have substantiated the necessity of an innovative treatment. Among various strategies investigated, the recent strides made in gene delivery techniques have made gene therapy, including suicide gene strategies, a potential alternative for treating ovarian cancer. Various suicide gene candidates, which are capable of promoting cancer cell apoptosis directly after its entry or indirectly by prodrug administration, can be separated into three systems using enzyme-coding, toxin or pro-apoptotic genes. With this review, we aim to provide an overview of different suicide genes depending on therapeutic strategies, the vectors used to deliver these transgenes specifically to malignant cells, and the combined treatments of these genes with various therapeutic regimens.
Insights
Gene therapy offers a promising new avenue for treating ovarian cancer, a leading cause of death in women. Suicide gene strategies are being explored to combat drug-resistant and recurrent forms of this gynecological malignancy.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Ovarian cancer is a highly lethal gynecological malignancy with poor survival rates.
- Recurrent and resistant disease necessitate innovative treatment strategies.
- Gene therapy, specifically suicide gene therapy, presents a potential alternative treatment.
Purpose of the Study:
- To review suicide gene strategies for ovarian cancer treatment.
- To discuss various suicide gene candidates and their mechanisms.
- To examine gene delivery vectors and combination therapies.
Main Methods:
- Review of current literature on suicide gene therapy for ovarian cancer.
- Categorization of suicide gene systems (enzyme-coding, toxin, pro-apoptotic).
- Analysis of gene delivery vectors and combination treatment approaches.
Main Results:
- Suicide gene therapy can induce cancer cell apoptosis directly or via prodrug administration.
- Different suicide gene systems offer distinct therapeutic mechanisms.
- Effective gene delivery and combination therapies are crucial for successful treatment.
Conclusions:
- Suicide gene therapy is a viable and innovative approach for managing ovarian cancer.
- Further research into gene delivery vectors and combination regimens can enhance therapeutic efficacy.
- Gene therapy holds significant potential to improve outcomes for ovarian cancer patients.

