Attenuation of brown adipocyte whitening in high-fat diet-induced obese rats: Effects of melatonin and β-hydroxybutyrate on Cidea, Fsp27 and MT1 expression.
adipocytes
brown adipose tissue
ketone bodies
melatonin
obesity
white adipose tissue
β‐hydroxybutyrate
Journal
Diabetes, obesity & metabolism
ISSN: 1463-1326
Titre abrégé: Diabetes Obes Metab
Pays: England
ID NLM: 100883645
Informations de publication
Date de publication:
08 Aug 2024
08 Aug 2024
Historique:
revised:
25
06
2024
received:
17
05
2024
accepted:
04
07
2024
medline:
9
8
2024
pubmed:
9
8
2024
entrez:
9
8
2024
Statut:
aheadofprint
Résumé
To investigate the effects of β-hydroxybutyrate (BHB) and melatonin on brown adipose tissue (BAT) plasticity in rats fed a high-fat diet (HFD). We employed a 7-week experimental design for a study on 30 male Sprague-Dawley rats divided into five groups: (1) a control-diet fed group; (2) a high-fat diet (HFD)-fed group; (3) a group that received an HFD and a BHB solution in their drinking water; (4) a group that received an HFD with 10 mg/kg/day melatonin in their drinking water; and (5) a group that received an HFD and were also treated with the combination of BHB and melatonin. Following the treatment period, biochemical indices, gene expression levels of key thermogenic markers (including uncoupling protein 1 [UCP1], PR domain containing 16 [PRDM16], Cidea, fat-specific protein 27 [Fsp27], and metallothionein 1 [MT1]), and stereological assessments of BAT were evaluated. Treatment with BHB and melatonin significantly boosted blood ketone levels, improved lipid profiles, and reduced weight gain from an HFD. It also downregulated genes linked to WAT, namely, Cidea and Fsp27, and upregulated key BAT markers, including UCP1, PRDM16 and peroxisome proliferator-activated receptor-gamma coactivator-1-alpha. Additionally, the co-treatment increased MT1 receptor expression and enhanced the structural density of BAT. The combined oral administration of BHB and melatonin successfully prevented the whitening of BAT in obese rats fed an HFD, indicating its potential as a therapeutic strategy for obesity-related BAT dysfunction. The synergistic effects of this treatment underscore the potential of a combined approach to address BAT dysfunction in obesity.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Shiraz University of Medical Sciences
ID : 29885
Informations de copyright
© 2024 John Wiley & Sons Ltd.
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