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Potential benefits of egg white hydrolysate in the prevention of Hg-induced dysfunction in adipose tissue

dc.contributor.authorDanize Aparecida Rizzetti
dc.contributor.authorPatricia Corrales
dc.contributor.authorUranga, Jose Antonio
dc.contributor.authorGema Medina-Gómez
dc.contributor.authorFranck Maciel Peçanha
dc.contributor.authorDalton Valentim Vassallo
dc.contributor.authorMiguel, Marta
dc.contributor.authorGiulia Alessandra Wiggers
dc.date.accessioned2024-04-03T07:55:41Z
dc.date.available2024-04-03T07:55:41Z
dc.date.issued2022
dc.identifier.urihttps://hdl.handle.net/10115/31927
dc.description.abstractAim: To investigate the effects of egg white hydrolysate (EWH) on the lipid and glycemic metabolism disruption in the white adipose tissue (WAT) dysfunction induced by mercury (Hg). Experimental: Wistar rats were treated for 60 days: control (saline, intramuscular – i.m.); hydrolysate (EWH, gavage, 1 g kg−1 day−1); mercury (HgCl2, i.m., 1st dose 4.6 μg kg−1, subsequent doses 0.07 μg kg−1 day−1) and hydrolysate-mercury (EWH-HgCl2). Hg level and histological analyses were performed in epididymal WAT (eWAT), pancreas and liver. GRP78, CHOP, PPARα, PPARγ, leptin, adiponectin, and CD11 mRNA expressions were analyzed in eWAT. The plasma lipid profile, glucose, and insulin levels were measured. Antioxidant status was also evaluated in the plasma and liver. Results: EWH intake prevented the reduced eWAT weight, adipocyte size, insulin levels, and antioxidant defenses and the increased glucose and triglyceride levels induced by Hg exposure; hepatic glutathione levels were higher in rats co-treated with EWH. The increased mRNA expression of CHOP, PPARα, and leptin induced by Hg was reduced in co-treated rats. EWH did not modify the elevated mRNA expression of GRP78, PPARγ and adiponectin in Hg-treated rats. Increased levels of Hg were found in the liver; the co-treatment did not alter this parameter. EWH prevented the morphological and metabolic disorder induced by Hg, by improving antioxidant defenses, inactivating pro-apoptotic pathways and normalizing the mRNA expression of PPARs and adipokines. Its effects enabled an increase in insulin levels and a normal balance between the fat storage and expenditure mechanisms in WAT. Conclusions: EWH may have potential benefits in the prevention and management of Hg-related metabolic disorders.es
dc.language.isoenges
dc.subjectEgg White Hydrolysatees
dc.subjectFunctional Foodes
dc.subjectBioactive Peptideses
dc.subjectMercuryes
dc.subjectLipid and Glucose Metabolismes
dc.subjectWhite Adipose Tissuees
dc.titlePotential benefits of egg white hydrolysate in the prevention of Hg-induced dysfunction in adipose tissuees
dc.typeinfo:eu-repo/semantics/articlees
dc.identifier.doi10.1039/d2fo00561aes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses


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