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Microbiome‐immune‐metabolic axis in the epidemic of childhood obesity: Evidence and opportunities
Author(s) -
Kincaid Halle J.,
Nagpal Ravinder,
Yadav Hariom
Publication year - 2020
Publication title -
obesity reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.845
H-Index - 162
eISSN - 1467-789X
pISSN - 1467-7881
DOI - 10.1111/obr.12963
Subject(s) - microbiome , obesity , immune system , dysbiosis , adipose tissue , immunology , medicine , childhood obesity , biology , gut flora , physiology , bioinformatics , overweight
Summary Obesity epidemic responsible for increase in diabetes, heart diseases, infections and cancer shows no signs of abating. Obesity in children is also on rise, indicating the urgent need of strategies for prevention and intervention that must begin in early life. While originally posited that obesity results from the simple concept of consuming more calories, or genetics, emerging research suggests that the bacteria living in our gut (gut microbiome) and its interactions with immune cells and metabolic organs including adipose tissues (microbiome‐immune‐metabolic axis) play significant role in obesity development in childhood. Specifically, abnormal changes (dysbiosis) in the gut microbiome, stimulation of inflammatory cytokines, and shifts in the metabolic functions of brown adipose tissue and the browning of white adipose tissue are associated with increased obesity. Many factors from as early as gestation appear to contribute in obesity, such as maternal health, diet, antibiotic use by mother and/or child, and birth and feeding methods. Herein, using evidence from animal and human studies, we discuss how these factors impact microbiome‐immune‐metabolic axis and cause obesity epidemic in children, and describe the gaps in knowledge that are warranted for future research.

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