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Erschienen in: European Journal of Nutrition 8/2015

01.12.2015 | Original Contribution

Higher plasma lipopolysaccharide concentrations are associated with less favorable phenotype in overweight/obese men

verfasst von: Ana Paula Boroni Moreira, Raquel Duarte Moreira Alves, Tatiana Fiche Salles Teixeira, Viviane Silva Macedo, Leandro Licursi de Oliveira, Neuza Maria Brunoro Costa, Josefina Bressan, Maria do Carmo Gouveia Peluzio, Richard Mattes, Rita de Cássia Gonçalves Alfenas

Erschienen in: European Journal of Nutrition | Ausgabe 8/2015

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Abstract

Purpose

Lipopolysaccharide (LPS) from the outer membrane of gram-negative bacteria might be an inflammation trigger in adipose tissue. It has recently been proposed that there is a link between adipose tissue distribution and blood LPS. However, the number of studies on this topic is scarce, and further investigation in humans is required. In this study, we explored the association between plasma LPS concentrations and body fat distribution, as well as the biochemical parameters that may indicate the presence of metabolic disorders.

Methods

Sixty-seven young adult men with body mass index of 26–35 kg/m2 were evaluated. Anthropometry, body composition and body fat distribution, blood pressure, energy expenditure, physical activity level, dietary intake, and biochemical parameters were assessed.

Results

Men with median plasma LPS ≥ 0.9 EU/mL presented higher sagittal abdominal diameter, trunk fat percentage, and android fat percentage, and mass, insulin and alanine aminotransferase concentrations, homeostasis model assessment of insulin resistance (HOMA-IR), and beta cell dysfunction (HOMA-B) than those with lower plasma LPS. LPS correlated positively with the trunk fat percentage, and android fat percentage, and mass, insulin, aspartate aminotransferase, alanine aminotransferase, and alkaline phosphatase concentrations, as well as HOMA-IR and HOMA-B.

Conclusion

Our results suggest that a higher plasma LPS concentration is associated with a less favorable phenotype as characterized by higher central adiposity, higher values of HOMA-IR, and beta cell function impairment in overweight/obese men.
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Metadaten
Titel
Higher plasma lipopolysaccharide concentrations are associated with less favorable phenotype in overweight/obese men
verfasst von
Ana Paula Boroni Moreira
Raquel Duarte Moreira Alves
Tatiana Fiche Salles Teixeira
Viviane Silva Macedo
Leandro Licursi de Oliveira
Neuza Maria Brunoro Costa
Josefina Bressan
Maria do Carmo Gouveia Peluzio
Richard Mattes
Rita de Cássia Gonçalves Alfenas
Publikationsdatum
01.12.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Nutrition / Ausgabe 8/2015
Print ISSN: 1436-6207
Elektronische ISSN: 1436-6215
DOI
https://doi.org/10.1007/s00394-014-0817-6

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