Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/ijms23010488
Keywords
microbiome; chemotherapy; immunotherapy; treatment resistance; microbiota modulations; probiotics; fecal microbiota transplantation
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Understanding the diverse mechanisms of resistance to therapy in human cancer cells is crucial in achieving optimal cures, with microbiome playing a key role. Modulating the microbiota may offer a potential solution to overcome cancer treatment resistance.
Understanding the mechanisms of resistance to therapy in human cancer cells has become a multifaceted limiting factor to achieving optimal cures in cancer patients. Besides genetic and epigenetic alterations, enhanced DNA damage repair activity, deregulation of cell death, overexpression of transmembrane transporters, and complex interactions within the tumor microenvironment, other mechanisms of cancer treatment resistance have been recently proposed. In this review, we will summarize the preclinical and clinical studies highlighting the critical role of the microbiome in the efficacy of cancer treatment, concerning mainly chemotherapy and immunotherapy with immune checkpoint inhibitors. In addition to involvement in drug metabolism and immune surveillance, the production of microbiota-derived metabolites might represent the link between gut/intratumoral bacteria and response to anticancer therapies. Importantly, an emerging trend of using microbiota modulation by probiotics and fecal microbiota transplantation (FMT) to overcome cancer treatment resistance will be also discussed.
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