ArticleMolecular medicine reports2021
H(+)/Cl(‑) exchange transporter 7 promotes lysosomal acidification‑mediated autophagy in mouse cardiomyocytes.
Article in Molecular medicine reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Impaired Autophagic Clearance with a Gain-of-Function Variant of the Lysosomal ClBiomolecules · 2023Article
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10 authors at 2 institutions in 1 country.
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Abstract
Autophagy protects cardiomyocytes in various pathological and physiological conditions; however, the molecular mechanisms underlying its influence and the promotion of autophagic clearance are not completely understood. The present study aimed to explore the role of H(+)/Cl(‑) exchange transporter 7 (CLC‑7) in cardiomyocyte autophagy. In this study, rapamycin was used to induce autophagy in mouse cardiomyocytes, and the changes in CLC‑7 were investigated. The expression levels of CLC‑7 and autophagy‑related proteins, such as microtubule associated protein 1 light chain 3, autophagy related 5 and Beclin 1, were detected using western blotting or immunofluorescence. Autolysosomes were observed and analyzed using transmission electron microscopy and immunofluorescence following CLC‑7 silencing with small interfering RNAs. Cellular viability was assessed using Cell Counting Kit‑8 and lactate dehydrogenase assays. Lysosomal acidification was measured using an acidification indicator. Increased CLC‑7 co‑localization with lysosomes was identified during autophagy. CLC‑7 knockdown weakened the acidification of lysosomes, which are the terminal compartments of autophagy flux, and consequently impaired autophagy flux, ultimately resulting in cell injury. Collectively, the present study demonstrated that in cardiomyocytes, CLC‑7 may contribute to autophagy via regulation of lysosomal acidification. These findings provide novel insights into the role of CLC‑7 in autophagy and cytoprotection.
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