2014, Number 5
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Rev Invest Clin 2014; 66 (5)
Gut microbiota as a key player in triggering obesity, systemic inflammation and insulin resistance
Escobedo G, López-Ortiz E, Torres-Castro I
Language: English
References: 60
Page: 450-459
PDF size: 211.29 Kb.
ABSTRACT
Obesity-related systemic inflammation contributes to develop
insulin resistance. The main factors involved in the relationship
of obesity with systemic inflammation and insulin resistance
have not been completely elucidated. Microbiota
includes around 10
13 to 10
14 microbes harboring the human
gut, which are clustered in approximately a thousand different
bacterial species. Several studies suggest that imbalance in
the intestinal bacterial population could result in obesity, systemic
inflammation and metabolic dysfunction. Here, we review
the main bacterial groups observed in obesity as well as
their possible role in increasing the intestinal permeability and
lipopolysaccharide-related endotoxemia. Furthermore, we
point out the role of intestinal dysbiosis in the inflammatory
activation of macrophages with the ability to infiltrate in the
visceral adipose tissue and induce insulin resistance. Finally,
we discuss the apparent beneficial use of prebiotics and probiotics
in ameliorating both systemic inflammation and metabolic
dysfunction. Present information may be useful in the
future design of novel therapies focused on treating obesity
and insulin resistance by restoring the gut microbiota balance.
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