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The microbiome and cancer

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TLDR
In this paper, the authors discuss links between the bacterial microbiota and cancer, with a particular focus on immune responses, dysbiosis, genotoxicity, metabolism and strategies to target the microbiome for cancer prevention.
Abstract
Microbiota and host form a complex 'super-organism' in which symbiotic relationships confer benefits to the host in many key aspects of life. However, defects in the regulatory circuits of the host that control bacterial sensing and homeostasis, or alterations of the microbiome, through environmental changes (infection, diet or lifestyle), may disturb this symbiotic relationship and promote disease. Increasing evidence indicates a key role for the bacterial microbiota in carcinogenesis. In this Opinion article, we discuss links between the bacterial microbiota and cancer, with a particular focus on immune responses, dysbiosis, genotoxicity, metabolism and strategies to target the microbiome for cancer prevention.

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The gut microbiota, bacterial metabolites and colorectal cancer

TL;DR: The relationship between diet, microbial metabolism and CRC is discussed and it is argued that the cumulative effects of microbial metabolites should be considered in order to better predict and prevent cancer progression.
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NF-κB, inflammation, immunity and cancer: coming of age

TL;DR: How the initial discovery of a role for NF-κB in linking inflammation and cancer led to an improved understanding of tumour-elicited inflammation and its effects on anticancer immunity is discussed.
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New insights into cancer immunoediting and its three component phases — elimination, equilibrium and escape

TL;DR: This review focuses on important recent developments that have enhanced the understanding of each phase of the cancer immunoediting process, summarizes the discovery of new predictive and prognostic biomarkers and discusses development of novel and objectively effective cancer immunotherapies.
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Fusobacterium nucleatum Promotes Chemoresistance to Colorectal Cancer by Modulating Autophagy.

TL;DR: It is found that Fusobacterium (F.) nucleatum was abundant in colorectal cancer tissues in patients with recurrence post chemotherapy, and was associated with patient clinicopathological characterisitcs, and bioinformatic and functional studies demonstrated that F. nucleatum promoted coloreCTal cancer resistance to chemotherapy.
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Bile acid-microbiota crosstalk in gastrointestinal inflammation and carcinogenesis.

TL;DR: The mechanistic links between bile acids and gastrointestinal carcinogenesis in CRC and HCC are discussed, which involve two major bile acid-sensing receptors, farnesoid X receptor (FXR) and G protein-coupled bile Acid receptor 1 (TGR5).
References
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Meta-Analysis: A Constantly Evolving Research Integration Tool

TL;DR: The four articles in this special section onMeta-analysis illustrate some of the complexities entailed in meta-analysis methods and contributes both to advancing this methodology and to the increasing complexities that can befuddle researchers.
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An obesity-associated gut microbiome with increased capacity for energy harvest

TL;DR: It is demonstrated through metagenomic and biochemical analyses that changes in the relative abundance of the Bacteroidetes and Firmicutes affect the metabolic potential of the mouse gut microbiota and indicates that the obese microbiome has an increased capacity to harvest energy from the diet.
Journal ArticleDOI

Immunity, Inflammation, and Cancer

TL;DR: The principal mechanisms that govern the effects of inflammation and immunity on tumor development are outlined and attractive new targets for cancer therapy and prevention are discussed.
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