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Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
Published on: January 7, 2019
Evolution of Cancer Vaccines-Challenges, Achievements, and Future Directions
Ban Qi Tay1, Quentin Wright1, Rahul Ladwa2,3
1Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia.
Abstract:
The development of cancer vaccines has been intensively pursued over the past 50 years with modest success. However, recent advancements in the fields of genetics, molecular biology, biochemistry, and immunology have renewed interest in these immunotherapies and allowed the development of promising cancer vaccine candidates. Numerous clinical trials testing the response evoked by tumour antigens, differing in origin and nature, have shed light on the desirable target characteristics capable of inducing strong tumour-specific non-toxic responses with increased potential to bring clinical benefit to patients. Novel delivery methods, ranging from a patient's autologous dendritic cells to liposome nanoparticles, have exponentially increased the abundance and exposure of the antigenic payloads. Furthermore, growing knowledge of the mechanisms by which tumours evade the immune response has led to new approaches to reverse these roadblocks and to re-invigorate previously suppressed anti-tumour surveillance. The use of new drugs in combination with antigen-based therapies is highly targeted and may represent the future of cancer vaccines. In this review, we address the main antigens and delivery methods used to develop cancer vaccines, their clinical outcomes, and the new directions that the vaccine immunotherapy field is taking.
Insights
Recent advances in cancer vaccine research have led to promising immunotherapies. This review covers key antigens, delivery methods, and future directions for cancer vaccines, aiming for improved patient outcomes.
Area of Science:
- Immunology
- Oncology
- Biochemistry
Background:
- Cancer vaccine development has a 50-year history with limited success.
- Recent breakthroughs in genetics, molecular biology, and immunology have revitalized interest in cancer immunotherapies.
- Understanding tumor antigen characteristics is crucial for effective vaccine design.
Purpose of the Study:
- To review current cancer vaccine antigens and delivery methods.
- To discuss clinical outcomes of existing cancer vaccine strategies.
- To explore emerging directions and future potential of cancer vaccine immunotherapy.
Main Methods:
- Analysis of clinical trial data for various tumor antigens.
- Evaluation of novel delivery systems, including dendritic cells and nanoparticles.
- Review of mechanisms by which tumors evade immune responses.
- Assessment of combination therapies involving new drugs and antigen-based treatments.
Main Results:
- Identification of desirable tumor antigen characteristics for potent, non-toxic, and clinically beneficial responses.
- Advancements in delivery methods enhance antigen abundance and exposure.
- New strategies are emerging to overcome tumor-induced immune suppression.
- Combination therapies show potential for targeted cancer treatment.
Conclusions:
- Cancer vaccines are evolving with promising candidates due to interdisciplinary advancements.
- Optimized antigen selection and novel delivery systems are key to efficacy.
- Overcoming immune evasion and utilizing combination therapies represent the future of cancer vaccine immunotherapy.
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