Short chain fatty acids: Microbial metabolites for gut-brain axis signalling DOI Creative Commons
Kenneth J. O’Riordan, Michael Collins, Gerard M. Moloney

et al.

Molecular and Cellular Endocrinology, Journal Year: 2022, Volume and Issue: 546, P. 111572 - 111572

Published: Jan. 20, 2022

The role of the intestinal microbiota as a regulator gut-brain axis signalling has risen to prominence in recent years. Understanding relationship between gut microbiota, metabolites it produces, and brain will be critical for subsequent development new therapeutic approaches, including identification novel psychobiotics. A key focus this regard have been short-chain fatty acids (SCFAs) produced by bacterial fermentation dietary fibre, which include butyrate, acetate, propionate. Ongoing research is focused on entry SCFAs into systemic circulation from lumen, their migration cerebral across blood barrier, potential exert acute chronic effects structure function. This review aims discuss our current mechanistic understanding direct indirect influence that function, behaviour physiology, inform future microbiota-targeted interventions disorders.

Language: Английский

The Microbiota-Gut-Brain Axis DOI Open Access
John F. Cryan, Kenneth J. O’Riordan, Caitlin S.M. Cowan

et al.

Physiological Reviews, Journal Year: 2019, Volume and Issue: 99(4), P. 1877 - 2013

Published: Aug. 28, 2019

The importance of the gut-brain axis in maintaining homeostasis has long been appreciated. However, past 15 yr have seen emergence microbiota (the trillions microorganisms within and on our bodies) as one key regulators function led to appreciation a distinct microbiota-gut-brain axis. This is gaining ever more traction fields investigating biological physiological basis psychiatric, neurodevelopmental, age-related, neurodegenerative disorders. brain communicate with each other via various routes including immune system, tryptophan metabolism, vagus nerve enteric nervous involving microbial metabolites such short-chain fatty acids, branched chain amino peptidoglycans. Many factors can influence composition early life, infection, mode birth delivery, use antibiotic medications, nature nutritional provision, environmental stressors, host genetics. At extreme diversity diminishes aging. Stress, particular, significantly impact at all stages life. Much recent work implicated gut many conditions autism, anxiety, obesity, schizophrenia, Parkinson’s disease, Alzheimer’s disease. Animal models paramount linking regulation fundamental neural processes, neurogenesis myelination, microbiome activation microglia. Moreover, translational human studies are ongoing will greatly enhance field. Future focus understanding mechanisms underlying attempt elucidate microbial-based intervention therapeutic strategies for neuropsychiatric

Language: Английский

Citations

3470

An insight into gut microbiota and its functionalities DOI
Atanu Adak, Mojibur R. Khan

Cellular and Molecular Life Sciences, Journal Year: 2018, Volume and Issue: 76(3), P. 473 - 493

Published: Oct. 13, 2018

Language: Английский

Citations

1034

Macronutrient metabolism by the human gut microbiome: major fermentation by-products and their impact on host health DOI Creative Commons
Kaitlyn Oliphant, Emma Allen‐Vercoe

Microbiome, Journal Year: 2019, Volume and Issue: 7(1)

Published: June 13, 2019

The human gut microbiome is a critical component of digestion, breaking down complex carbohydrates, proteins, and to lesser extent fats that reach the lower gastrointestinal tract. This process results in multitude microbial metabolites can act both locally systemically (after being absorbed into bloodstream). impact these biochemicals on health complex, as potentially beneficial toxic be yielded from such pathways, some cases, effects are dependent upon metabolite concentration or organ locality. aim this review summarize our current knowledge how macronutrient metabolism by influences health. Metabolites discussed include short-chain fatty acids alcohols (mainly monosaccharides); ammonia, branched-chain acids, amines, sulfur compounds, phenols, indoles (derived amino acids); glycerol choline derivatives (obtained breakdown lipids); tertiary cycling carbon dioxide hydrogen. Key taxa related disease states will referred each case, gaps could contribute understanding overall wellness identified.

Language: Английский

Citations

1009

Human gut microbiota/microbiome in health and diseases: a review DOI
Eman Zakaria Gomaa

Antonie van Leeuwenhoek, Journal Year: 2020, Volume and Issue: 113(12), P. 2019 - 2040

Published: Nov. 2, 2020

Language: Английский

Citations

917

Gut Microbiome: Profound Implications for Diet and Disease DOI Open Access
Ronald D. Hills, Benjamin Pontefract,

Hillary R. Mishcon

et al.

Nutrients, Journal Year: 2019, Volume and Issue: 11(7), P. 1613 - 1613

Published: July 16, 2019

The gut microbiome plays an important role in human health and influences the development of chronic diseases ranging from metabolic disease to gastrointestinal disorders colorectal cancer. Of increasing prevalence Western societies, these conditions carry a high burden care. Dietary patterns environmental factors have profound effect on shaping microbiota real time. Diverse populations intestinal bacteria mediate their beneficial effects through fermentation dietary fiber produce short-chain fatty acids, endogenous signals with roles lipid homeostasis reducing inflammation. Recent progress shows that individual's starting microbial profile is key determinant predicting response intervention live probiotics. complex challenging characterize. Enterotypes been proposed using metrics such as alpha species diversity, ratio Firmicutes Bacteroidetes phyla, relative abundance genera (e.g., Bifidobacterium, Akkermansia) versus facultative anaerobes (E. coli), pro-inflammatory Ruminococcus, or nonbacterial microbes. Microbiota composition bacterial are linked physiologic along different axes. We review diet quality, carbohydrate intake, fermentable FODMAPs, prebiotic maintaining healthy flora. implications discussed for various including obesity, diabetes, irritable bowel syndrome, inflammatory disease, depression, cardiovascular disease.

Language: Английский

Citations

885

Gut Bacteroides species in health and disease DOI Creative Commons
Hassan Zafar, Milton H. Saier

Gut Microbes, Journal Year: 2021, Volume and Issue: 13(1)

Published: Jan. 1, 2021

The functional diversity of the mammalian intestinal microbiome far exceeds that host organism, and microbial genes contribute substantially to well-being host. However, beneficial gut organisms can also be pathogenic when present in or other locations body. Among dominant bacteria are several species

Language: Английский

Citations

801

Microbiota-Brain-Gut Axis and Neurodegenerative Diseases DOI
Eamonn M.M. Quigley

Current Neurology and Neuroscience Reports, Journal Year: 2017, Volume and Issue: 17(12)

Published: Oct. 17, 2017

Language: Английский

Citations

699

American Cancer Society guideline for diet and physical activity for cancer prevention DOI Open Access
Cheryl L. Rock, Cynthia A. Thomson, Ted Gansler

et al.

CA A Cancer Journal for Clinicians, Journal Year: 2020, Volume and Issue: 70(4), P. 245 - 271

Published: June 9, 2020

Abstract The American Cancer Society (ACS) publishes the Diet and Physical Activity Guideline to serve as a foundation for its communication, policy, community strategies and, ultimately, affect dietary physical activity patterns among Americans. This guideline is developed by national panel of experts in cancer research, prevention, epidemiology, public health, reflects most current scientific evidence related risk. ACS focuses on recommendations individual choices regarding diet patterns, but those occur within context that either facilitates or creates barriers healthy behaviors. Therefore, this committee presents action accompany 4 reduce These recognize supportive social environment indispensable if individuals at all levels society are have genuine opportunities choose 2020 consistent with guidelines from Heart Association Diabetes prevention coronary heart disease diabetes well general health promotion, defined 2015 Dietary Guidelines Americans 2018

Language: Английский

Citations

601

Gut microbiota and Covid-19- possible link and implications DOI Open Access
Debojyoti Dhar, Abhishek Mohanty

Virus Research, Journal Year: 2020, Volume and Issue: 285, P. 198018 - 198018

Published: May 12, 2020

Language: Английский

Citations

588

Negative Effects of a High-Fat Diet on Intestinal Permeability: A Review DOI Creative Commons
Michael Rohr,

Chandrakala Aluganti Narasimhulu,

Trina Rudeski-Rohr

et al.

Advances in Nutrition, Journal Year: 2019, Volume and Issue: 11(1), P. 77 - 91

Published: June 5, 2019

Language: Английский

Citations

571