ArticleFrontiers in physiology2019
Mechanism of Regulation of Big-Conductance Ca
Article in Frontiers in physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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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.
The trial behind it
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- BK channel agonists may affect matrix vesicle secretion and ameliorate vascular calcification via autophagy.Cardiovascular diagnosis and therapy · 2025Article
- Therapeutic efficacy of the BKCa channel opener chlorzoxazone in a mouse model of Fragile X syndrome.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2024Article
- Effects and mechanism of Rictor interference in podocyte injury induced by high glucose.Experimental and therapeutic medicine · 2023Article
- Immunity, Ion Channels and Epilepsy.International journal of molecular sciences · 2022Review
- Activating BK channels ameliorates vascular smooth muscle calcification through Akt signaling.Acta pharmacologica Sinica · 2022Article
- Modeling Epilepsy Using Human Induced Pluripotent Stem Cells-Derived Neuronal Cultures Carrying Mutations in Ion Channels and the Mechanistic Target of Rapamycin Pathway.Frontiers in molecular neuroscience · 2022Review
- Synaptic Release Potentiation at Aging Auditory Ribbon Synapses.Frontiers in aging neuroscience · 2021Article
Corrections and comments
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Authors and funding
11 authors at 5 institutions in 2 countries.
Funding
Abstract
Podocytes, dynamic polarized cells wrapped around glomerular capillaries, are an essential component of the glomerular filtration barrier. BK channels consist of one of the slit diaphragm (SD) proteins in podocytes, interact with the actin cytoskeleton, and play vital roles in glomerular filtration. Mechanistic target of rapamycin (mTOR) complexes regulate expression of SD proteins, as well as cytoskeleton structure, in podocytes. However, whether mTOR complexes regulate podocyte BK channels is still unclear. Here, we investigated the mechanism of mTOR complex regulation of BK channels via real-time PCR, western blot, immunofluorescence, and patch clamping. Inhibiting mTORC1 with rapamycin or downregulating Raptor had no significant effect on BK channel mRNA and protein levels and bioactivity. However, the dual inhibitor of mTORC1 and mTORC2 AZD8055 and short hairpin RNA targeting Rictor downregulated BK channel mRNA and protein levels and bioactivity. In addition, MK2206, GF109203X, and GSK650394, which are inhibitors of Akt, PKCα, and SGK1, respectively, were employed to test the downstream signaling pathway of mTORC2. MK2206 and GF109203X had no effect on BK channel protein levels. MK2206 caused an obvious decrease in the current density of the BK channels. Moreover, GSK650394 downregulated the BK channel protein and mRNA levels. These results indicate mTORC2 not only regulates the distribution of BK channels through Akt, but also modulates BK channel protein expression via SGK1 in podocytes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.