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Article Publish Status: FREE
Abstract Title:

Gut Microbiota and Cancer: From Pathogenesis to Therapy.

Abstract Source:

Cancers (Basel). 2019 Jan 3 ;11(1). Epub 2019 Jan 3. PMID: 30609850

Abstract Author(s):

Silvia Vivarelli, Rossella Salemi, Saverio Candido, Luca Falzone, Maria Santagati, Stefania Stefani, Francesco Torino, Giuseppe Luigi Banna, Giuseppe Tonini, Massimo Libra

Article Affiliation:

Silvia Vivarelli

Abstract:

Cancer is a multifactorial pathology and it represents the second leading cause of death worldwide. In the recent years, numerous studies highlighted the dual role of the gut microbiota in preserving host's health. Gut resident bacteria are able to produce a number of metabolites and bioproducts necessary to protect host's and gut's homeostasis. Conversely, several microbiota subpopulations may expand during pathological dysbiosis and therefore produce high levels of toxins capable, in turn, to trigger both inflammation and tumorigenesis. Importantly, gut microbiota can interact with the host either modulating directly the gut epithelium or the immune system. Numerous gut populating bacteria, called probiotics, have been identified as protective against the genesis of tumors. Given their capability of preserving gut homeostasis, probiotics are currently tested to help to fight dysbiosis in cancer patients subjected to chemotherapy and radiotherapy. Most recently, three independent studies show that specific gut resident species may potentiate the positive outcome of anti-cancer immunotherapy. The highly significant studies, uncovering the tight association between gut microbiota and tumorigenesis, as well as gut microbiota and anti-cancer therapy, are here described. The role of the(LGG), as the most studied probiotic model in cancer, is also reported. Overall, according to the findings here summarized, novel strategies integrating probiotics, such as LGG, with conventional anti-cancer therapies are strongly encouraged.

Study Type : Review

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