Boosting Anti-tumour Immunity Using Adjuvant Apigenin.

The interactions and secretions within the tumour have a pivotal role in tumour growth and therapy. Immunosuppressive cells such as regulatory T cells (Tregs), myeloid-derived suppressor cells (MDSCs), tumour-associated macrophages (TAMs), and cancer-associated fibroblasts (CAFs) secrete some substances, which can result in the exhaustion of anti-tumour immunity. To stimulate anti-tumour immunity, suppression of the secretion and interactions of immunosuppressive cells, on the other hand, stimulation of proliferation and activation of natural killer (NK) cells and CD8+ T lymphocytes are required. Apigenin is a flavone with anticancer properties. Emerging evidence shows that not only does apigenin modulate cell death pathways in cancer cells but it also can stimulate anti-tumour immune cells to release death signals and suppress the release of tumour-promoting molecules. In this review, we discuss the interactions between apigenin and various cells within the tumour microenvironment (TME). These interactions may enhance anti-tumour immunity to improve the efficiency of anticancer remedies such as immunotherapy.

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