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- W2912007707 abstract "Abstract Mitochondrial dysfunction underscores aging and diseases. Mitophagy ( mito chondria + auto phagy ) is a quality control pathway that preserves mitochondrial health by targeting damaged mitochondria for autophagic degradation. Hence, molecules or compounds that can augment mitophagy are therapeutic candidates to mitigate mitochondrial-related diseases. However, mitochondrial stress remains the most effective inducer of mitophagy. Thus, identification of mitophagy-inducing regimes that are clinically relevant is favorable. In this study, pomegranate extract (PE) supplementation is shown to stimulate mitophagy. PE activates transcription factor EB (TFEB) to upregulate the expression of autophagy and lysosomal genes for mitochondrial quality control under basal and stress conditions. Basally, PE alters mitochondrial morphology and promotes recruitment of autophagosomes to the mitochondria (mitophagosome formation). Upon onset of mitochondrial stress, PE further augments mitophagosome formation, and engages PINK1 and Parkin to the mitochondria to potentiate mitophagy. This cellular phenomenon of PE-induced mitophagy helps to negate superfluous mitochondrial reactive oxygen species (ROS) production and mitochondrial impairment. Overall, our study highlights the potential of PE supplementation as a physiological therapy to modulate TFEB activity to alleviate mitochondrial dysfunction in aging and mitochondrial-related diseases." @default.
- W2912007707 created "2019-02-21" @default.
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- W2912007707 date "2019-01-24" @default.
- W2912007707 modified "2023-10-03" @default.
- W2912007707 title "Pomegranate activates TFEB to promote autophagy-lysosomal fitness and mitophagy" @default.
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- W2912007707 doi "https://doi.org/10.1038/s41598-018-37400-1" @default.
- W2912007707 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6346015" @default.
- W2912007707 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30679718" @default.
- W2912007707 hasPublicationYear "2019" @default.
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