Article ; Online: Yapping at the autophagy door? The answer is flowing in the kidney proximal tubule.
2024 , Page(s) 1–2
Abstract: Shear stress induced by urinary flow stimulates macroautophagy (hereafter referred to as autophagy) in kidney proximal tubule epithelial cells. Autophagy and selective degradation of lipid droplets by lipophagy contribute to tubule homeostasis by the ... ...
Abstract | Shear stress induced by urinary flow stimulates macroautophagy (hereafter referred to as autophagy) in kidney proximal tubule epithelial cells. Autophagy and selective degradation of lipid droplets by lipophagy contribute to tubule homeostasis by the production of ATP and control of epithelial cell size. Autophagy/lipophagy is controlled by a signaling cascade emanating from the primary cilium, localized at the apical side of epithelial cells. Downstream of the primary cilium, AMPK controls mitochondrial biogenesis on the one hand and autophagy/lipophagy on the other hand, which together increase fatty acid production that fuels oxidative phosphorylation to increase energy production. Recently, we reported that the co-transcriptional factors YAP1 and WWTR1/TAZ act downstream of AMPK to control autophagy. In fact, YAP1 and the transcription factor TEAD control the expression of RUBCN/rubicon. Under shear stress, YAP1 is excluded from the nucleus in a SIRT1-dependent manner to favor autophagic flux by downregulating the expression of RUBCN. When simulating |
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Language | English |
Publishing date | 2024-02-25 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 2454135-7 |
ISSN | 1554-8635 ; 1554-8627 |
ISSN (online) | 1554-8635 |
ISSN | 1554-8627 |
DOI | 10.1080/15548627.2024.2319023 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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