• Niki Bahrampour, Atieh Mirzababaei, Farideh Shiraseb, Cain C T Clark, and Khadijeh Mirzaei.
• Department of Nutrition, Science and Research Branch, Islamic Azad University (SRBIAU), Tehran, Iran.
• Int. J. Clin. Pract. 2021 Oct 1; 75 (10): e14579.

AimsEnergy density (ED) is known to influence body composition (BC). Indeed, consumption of high ED foods can increase body fat mass (BFM) and inflammatory markers. We sought to assess the mediatory role of high-sensitive-C-reactive protein (hs-CRP), transforming growth factor-β (TGF-beta), and plasminogen activator inhibitor-1 (PAI-1) on the relationship between ED and BC in women with overweight/obesity.MethodsThis was a cross-sectional study consisting of 391 women. Body composition (Bioelectrical Impedance Analysis) and a food frequency questionnaire (FFQ) was used to assess the BC and food intake of individuals. Blood samples and serum level of hs-CRP, PAI-1, and TGF-β were collected. ED per one gram of foods was calculated and divided to quartiles. Linear logistic regression was used to investigate the association between BC across quartiles of ED intake.ResultsTotal body water (TBW), fat free mass (FFM), visceral fat area (VFA), and fat free mass index (FFMI) appeared to be mediated by hs-CRP across ED quartiles. TBW, FFM with PAI-1, bone mineral content (BMC) with PAI-1 and TGF-beta, and skeletal lean mass (SLM) were inversely associated with hs-CRP, respectively. Fat trunk, TBW, BFM, FFM, SLM, waist circumference (WC), FFMI, and FMI were positively mediated by TGF-beta with increasing ED food intakes. Fat trunk, BFM, SLM, WC, FFMI and FMI were positively mediated by PAI-1.ConclusionsMost BC subcategories were positively associated with higher ED intake, mediated by increasing serum levels of PAI-1 and TGF-beta. Moreover, higher serum hs-CRP levels may be related to body fat and water alteration concomitant to a higher ED intake.© 2021 John Wiley & Sons Ltd.

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