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Inflammatory biomarker pentraxin 3 (PTX3) in relation to obesity, body fat depots, and weight loss
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Radiology.
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2014 (English)In: Obesity, ISSN 1930-7381, Vol. 22, no 5, 1373-1379 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The relation between inflammatory markers, adiposity and disease is under extensive study. Here we tested the hypothesis that the immunomodulatory protein pentraxin 3 (PTX3) is associated with adiposity in the general population.

DESIGN AND METHODS: Serum PTX3 concentrations, body mass index (BMI), waist circumference (WC) and fat depots, as quantified by dual-energy X-ray absorptiometry and magnetic resonance imaging, were assessed in three community-based cohorts: ULSAM, n = 790, mean age 78 years; PIVUS, n = 1003, mean age 70 years, women 50%; and the NORDIET-trial, n = 86, mean age 53 years, women 63%. Participants were re-examined after 5 years (PIVUS, n = 804) or following a 6-week randomized controlled dietary intervention (NORDIET).

RESULTS: PTX3 levels were inversely associated with BMI and WC as well as with total and visceral fat (P < 0.05 for all; adjusted for age, inflammatory biomarkers and cardiovascular risk factors). The association between PTX3 and BMI appeared even stronger in nonobese individuals. A decrease in BMI over 5 years as well as weight loss following the NORDIET intervention were associated with increased serum PTX3 concentrations (P < 0.001).

CONCLUSIONS: These consistent data support an inverse association between circulating PTX3 and anthropometrical measures, calling for further mechanistic studies of the link between PTX3 and fat.

Place, publisher, year, edition, pages
2014. Vol. 22, no 5, 1373-1379 p.
National Category
Public Health, Global Health, Social Medicine and Epidemiology Endocrinology and Diabetes
URN: urn:nbn:se:uu:diva-220519DOI: 10.1002/oby.20695ISI: 000336034400049PubMedID: 24415446OAI: oai:DiVA.org:uu-220519DiVA: diva2:716656
Available from: 2014-05-12 Created: 2014-03-17 Last updated: 2014-07-02Bibliographically approved

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Michaëlsson, KarlAhlström, HåkanKullberg, JoelAdamsson, ViolaRisérus, UlfLarsson, AndersHelmersson-Karlqvist, JohannaLind, LarsÄrnlöv, Johan
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OrthopaedicsRadiologyClinical Nutrition and MetabolismAnaesthesiology and Intensive CareBiochemial structure and functionCardiovascular epidemiologyMolecular epidemiologyScience for Life Laboratory, SciLifeLab
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