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J Lipid Res ; 62: 100092, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34146594

RESUMEN

Plasmalogens are membrane glycerophospholipids with diverse biological functions. Reduced plasmalogen levels have been observed in metabolic diseases; hence, increasing their levels might be beneficial in ameliorating these conditions. Shark liver oil (SLO) is a rich source of alkylglycerols that can be metabolized into plasmalogens. This study was designed to evaluate the impact of SLO supplementation on endogenous plasmalogen levels in individuals with features of metabolic disease. In this randomized, double-blind, placebo-controlled cross-over study, the participants (10 overweight or obese males) received 4-g Alkyrol® (purified SLO) or placebo (methylcellulose) per day for 3 weeks followed by a 3-week washout phase and were then crossed over to 3 weeks of the alternate placebo/Alkyrol® treatment. SLO supplementation led to significant changes in plasma and circulatory white blood cell lipidomes, notably increased levels of plasmalogens and other ether lipids. In addition, SLO supplementation significantly decreased the plasma levels of total free cholesterol, triglycerides, and C-reactive protein. These findings suggest that SLO supplementation can enrich plasma and cellular plasmalogens and this enrichment may provide protection against obesity-related dyslipidemia and inflammation.


Asunto(s)
Dislipidemias/tratamiento farmacológico , Aceites de Pescado/farmacología , Inflamación/tratamiento farmacológico , Plasmalógenos/metabolismo , Adulto , Animales , Biomarcadores/sangre , Estudios Cruzados , Suplementos Dietéticos , Método Doble Ciego , Dislipidemias/metabolismo , Aceites de Pescado/administración & dosificación , Humanos , Inflamación/metabolismo , Masculino , Persona de Mediana Edad , Plasmalógenos/sangre , Tiburones
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