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  • Abdominal obesity negativel...
    Härdfeldt, Jennifer; Cariello, Marica; Simonelli, Sara; Ossoli, Alice; Scialpi, Natasha; Piglionica, Marilidia; Pasculli, Emanuela; Noia, Alessia; Berardi, Elsa; Suppressa, Patrizia; Piazzolla, Giuseppina; Sabbà, Carlo; Calabresi, Laura; Moschetta, Antonio

    Biochimica et biophysica acta. Molecular and cell biology of lipids, 02/2022, Letnik: 1867, Številka: 2
    Journal Article

    Cardiometabolic risk factors increase the risk of atherosclerotic cardiovascular disease (ASCVD), but whether these metabolic anomalies affect the anti-atherogenic function of reverse cholesterol transport (RCT) is not yet clearly known. The present study aimed to delineate if the function and maturation of high density lipoprotein (HDL) particles cross-sectionally associate with surrogate markers of ASCVD in a population comprising of different degree of cardiometabolic risk. We enrolled 131 subjects and characterized cardiometabolic risk based on the IDF criteria's for metabolic syndrome (MS). In this population, cholesterol efflux capacity (CEC), Lecithin–cholesterol acyltransferase (LCAT) and ApoA-1 glycation was associated with waist circumference, abdominal visceral fat (VFA) and abdominal subcutaneous fat. In multivariate analyses, VFA was identified as a critical contributor for low CEC and LCAT. When stratified into groups based on the presence of cardiometabolic risk factors, we found a prominent reduction in CEC and LCAT as a function of the progressive increase of cardiometabolic risk from 0–2, 0–3 to 0–4/5, whereas an increase in Pre-β-HDL and ApoA-1 glycation was observed between the lowest and highest risk groups. These findings confirm the connection between MS and its predisposing conditions to an impairment of atheroprotective efflux-promoting function of HDLs. Furthermore, we have identified the bona fide pathogenically contribution of abdominal obesity to profound alterations of key metrics of RCT. •Abdominal obesity is associated with impairment of HDL function.•Enhanced glycation of ApoA1 and abdominal visceral fat relates with low plasma LCAT.•Cardio-metabolic risk clustering disturbs RCT before manifestation of the MS.