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Do intestinal microbiota contribute to obesity?
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Zakład Immunologii, Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu, Polska
Zakład Pielęgniarstwa, Akademia im. Jakuba z Paradyża, Polska
Corresponding author
Izabela Korczowska   

Zakład Immunologii Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu, Aleksandra Fredry 10, 61-701, Poznań, Polska
Med Srod. 2022;25(1-2):28-33
Introduction and objective:
Obesity is a complex, multifactorial, and largely preventable civilization disease. Almost 70% of the Polish population are overweight or obese, and the use low-calorie diet does not always contribute to weight loss. This review presents recent advances concerning the role of intestinal microbiota in the pathogenesis of obesity.

Brief description of the state of knowledge:
An increasing number of recent studies indicate that gut microbiota may exert a potential effect on the development of obesity. They play an important role in our health, and mediate host physiology and metabolism. The use of modern molecular biology techniques made it possible to study microorganisms inhabiting the intestines and better understand their impact on human health, especially in obesity. Gut microbiota play a significant role in the synthesis and metabolism of many nutrients and metabolites, including short-chain fatty acids (SCFA), lipids, bile acids, amino acids, and vitamins. Intestinal microbiota are the source of lipopolysaccharide (LPS) responsible for the development of systemic inflammation. Recent studies suggest that inflammatory state in overweight or obesity may damage the intestinal barrier and modify the composition of intestinal microbiota.

Understanding of the role of the gut microbiome in the management of weight and health may lead to future revolutionary changes in the treatment of obesity. Based on the result of the examination of patient’s microbiota it will be possible to gradually modify their composition, and use targeted probiotic therapy in the treatment of obesity.

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