Biological delivery approaches for gene therapy: strategies to potentiate efficacy and enhance specificity
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1Department of Pharmaceutical Biotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:
Nowadays many therapeutic agents such as suicide genes, anti-angiogenesis agents, cytokines, chemokines and other therapeutic genes were delivered to cancer cells. Various biological delivery systems have been applied for directing therapeutic gene to target cells. Some of these successful preclinical studies, steps forward to clinical trials and a few are examined in phase III clinical trials. In this review, the biological gene delivery systems were categorized into microorganism and cell based delivery systems. Viral, bacterial, yeast and parasite are among microorganism based delivery systems which are expanded in this review. In cell based approach, different strategies such as tumor cells, stem cells, dendritic cells and sertoli cells will be discussed. Different drawbacks are associated with each delivery system; therefore, many strategies have been improved and potentiated their direction toward specific target cells. Herein, further to the principle of each delivery system, the progresses of these approaches for development of newer generation are discussed.
Insights
Biological delivery systems, including microorganism and cell-based approaches, are crucial for targeted gene therapy in cancer treatment. This review categorizes these systems and discusses their advancements for improved cancer gene delivery.
Area of Science:
- Biotechnology
- Molecular Biology
- Cancer Research
Background:
- Therapeutic agents like suicide genes, cytokines, and chemokines are delivered to cancer cells using various biological systems.
- Gene delivery systems are essential for directing therapeutic genes to target cells, with some progressing to clinical trials.
Purpose of the Study:
- To review and categorize biological gene delivery systems for cancer therapy.
- To discuss the principles, advancements, and challenges of microorganism and cell-based delivery systems.
- To explore strategies for improving the specificity and efficacy of gene delivery.
Main Methods:
- Categorization of biological gene delivery systems into microorganism-based and cell-based approaches.
- Review of viral, bacterial, yeast, and parasite-based delivery systems.
- Discussion of cell-based strategies including tumor cells, stem cells, dendritic cells, and Sertoli cells.
Main Results:
- Biological delivery systems offer diverse strategies for cancer gene therapy.
- Both microorganism and cell-based systems have shown promise in preclinical and clinical settings.
- Ongoing research focuses on overcoming drawbacks and enhancing target specificity.
Conclusions:
- Biological gene delivery systems are evolving, with advancements in both microorganism and cell-based approaches.
- Continued development is crucial for creating next-generation cancer therapies with improved targeting and efficacy.
- Understanding the principles and limitations of each system is key to optimizing their application.
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