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Modulatory Role of Phytochemicals/Natural Products in Cancer Immunotherapy
Yadu Vijayan1,2, Jaskirat Singh Sandhu1, Kuzhuvelil B Harikumar1
1Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, 695014, India.
Abstract:
Immunotherapy is a newly emerging and effective approach to treating cancer. However, there are many challenges associated with using checkpoint inhibitors in this treatment strategy. The component of the tumor microenvironment plays a crucial role in antitumor immune response, regulating tumor immune surveillance and immunological evasion. Natural products/phytochemicals can modulate the tumor microenvironment and function as immunomodulatory agents. In clinical settings, there is a strong need to develop synergistic combination regimens using natural products that can effectively enhance the therapeutic benefits of immune checkpoint inhibitors relative to their effectiveness as single therapies. The review discusses immunotherapy, its side effects, and a summary of evidence suggesting the use of natural products to modulate immune checkpoint pathways.
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