Artikel ; Online: Anthocyanins and their metabolites promote white adipose tissue beiging by regulating mitochondria thermogenesis and dynamics.
2024 Band 222, Seite(n) 116069
Abstract: High-fat diet (HFD) consumption and excess nutrient availability can cause alterations in mitochondrial function and dynamics. We previously showed that anthocyanins (AC) decreased HFD-induced body weight gain and fat deposition. This study investigated: ...
Abstract | High-fat diet (HFD) consumption and excess nutrient availability can cause alterations in mitochondrial function and dynamics. We previously showed that anthocyanins (AC) decreased HFD-induced body weight gain and fat deposition. This study investigated: i) the capacity of AC to mitigate HFD-induced alterations in mitochondrial dynamics, biogenesis, and thermogenesis in mouse subcutaneous white adipose tissue (sWAT), and ii) the underlying mechanisms of action of cyanidin-3-O-glucoside (C3G), delphinidin-3-O-glucoside (D3G), and their gut metabolites on mitochondria function/dynamics in 3T3-L1 adipocytes treated with palmitate. Mice were fed control or HFD diets, added or not with 40 mg AC/kg body weight (BW). Compared to control and AC-supplemented mice, HFD-fed mice had fewer sWAT mitochondria that presented alterations of their architecture. AC supplementation prevented HFD-induced decrease of proteins involved in mitochondria biogenesis (PPARγ, PRDM16 and PGC-1α), and thermogenesis (UCP-1), and decreased AMPK phosphorylation. AC supplementation also restored the alterations in sWAT mitochondrial dynamics (Drp-1, OPA1, MNF-2, and Fis-1) and mitophagy (BNIP3L/NIX) caused by HFD consumption. In mature 3T3-L1, C3G, D3G, and their metabolites protocatechuic acid (PCA), 4-hydroxybenzaldehyde (HB), and gallic acid (GA) differentially affected palmitate-mediated decreased cAMP, PKA, AMPK, and SIRT-1 signaling pathways. C3G, D3G, and metabolites also prevented palmitate-mediated decreased expression of PPARγ, PRDM16, PGC-1α, and UCP1. Results suggest that consumption of select AC, i.e. cyanidin and delphinidin, could promote sWAT mitochondriogenesis and improve mitochondria dynamics in the context of HFD/obesity-induced dysmetabolism in part by regulating PKA, AMPK, and SIRT-1 signaling pathways. |
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Mesh-Begriff(e) | Mice ; Animals ; Anthocyanins/pharmacology ; Adipose Tissue, Brown/metabolism ; PPAR gamma/metabolism ; AMP-Activated Protein Kinases/metabolism ; Adipose Tissue, White/metabolism ; Obesity/metabolism ; Diet, High-Fat/adverse effects ; Transcription Factors/metabolism ; Thermogenesis ; Mitochondria/metabolism ; Glucosides/metabolism ; Palmitates/metabolism ; Mice, Inbred C57BL |
Chemische Substanzen | Anthocyanins ; PPAR gamma ; AMP-Activated Protein Kinases (EC 2.7.11.31) ; Transcription Factors ; Glucosides ; Palmitates |
Sprache | Englisch |
Erscheinungsdatum | 2024-02-20 |
Erscheinungsland | England |
Dokumenttyp | Journal Article |
ZDB-ID | 208787-x |
ISSN | 1873-2968 ; 0006-2952 |
ISSN (online) | 1873-2968 |
ISSN | 0006-2952 |
DOI | 10.1016/j.bcp.2024.116069 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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