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Published version

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2018-02-12

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cc-by (c) Serena, Carolina et al., 2018
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/123063

Elevated circulating levels of succinate in human obesity are linked to specific gut microbiota

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https://doi.org/10.1038/s41396-018-0068-2

Abstract

Gut microbiota-related metabolites are potential clinical biomarkers for cardiovascular disease (CVD). Circulating succinate, a metabolite produced by both microbiota and the host, is increased in hypertension, ischemic heart disease, and type 2 diabetes. We aimed to analyze systemic levels of succinate in obesity, a major risk factor for CVD, and its relationship with gut microbiome. We explored the association of circulating succinate with specific metagenomic signatures in cross-sectional and prospective cohorts of Caucasian Spanish subjects. Obesity was associated with elevated levels of circulating succinate concomitant with impaired glucose metabolism. This increase was associated with specific changes in gut microbiota related to succinate metabolism: a higher relative abundance of succinate-producing Prevotellaceae (P) and Veillonellaceae (V), and a lower relative abundance of succinate-consuming Odoribacteraceae (O) and Clostridaceae (C) in obese individuals, with the (P + V/O + C) ratio being a main determinant of plasma succinate. Weight loss intervention decreased (P + V/O + C) ratio coincident with the reduction in circulating succinate. In the spontaneous evolution after good dietary advice, alterations in circulating succinate levels were linked to specific metagenomic signatures associated with carbohydrate metabolism and energy production with independence of body weight change. Our data support the importance of microbe-microbe interactions for the metabolite signature of gut microbiome and uncover succinate as a potential microbiota-derived metabolite related to CVD risk.

Subject

Microbiota intestinal, Dieta, Obesitat

Subject (English)

Gastrointestinal microbiome, Diet, Obesity

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Articles publicats en revistes (Nutrició, Ciències de l'Alimentació i Gastronomia)

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SERENA, Carolina, et al. Elevated circulating levels of succinate in human obesity are linked to specific gut microbiota. The ISME Journal. 2018. ISSN 1751-7362. [consulted: 8 of August of 2026]. Available at: https://hdl.handle.net/2445/123063

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