ArticleMolecular biology of the cell1996
Activation of the osmo-sensitive chloride conductance involves P21rho and is accompanied by a transient reorganization of the F-actin cytoskeleton.
Article in Molecular biology of the cell, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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Who cites it
37 citing papers in PubMed, 171 citations in OpenAlex.
- Recent advances in the structure, function and regulation of the volume-regulated anion channels and their role in immunity.The Journal of physiology · 2025Review
- Cell size regulates human endoderm specification through actomyosin-dependent AMOT-YAP signaling.Stem cell reports · 2024Article
- Polarized NHE1 and SWELL1 regulate migration direction, efficiency and metastasis.Nature communications · 2022Article
- Stress-induced modulation of volume-regulated anions channels in human alveolar carcinoma cells.Physiological reports · 2018Article
- VRACs and other ion channels and transporters in the regulation of cell volume and beyond.Nature reviews. Molecular cell biology · 2016Review
- Biophysics and Physiology of the Volume-Regulated Anion Channel (VRAC)/Volume-Sensitive Outwardly Rectifying Anion Channel (VSOR).Pflugers Archiv : European journal of physiology · 2016Review
- Role of volume-regulated and calcium-activated anion channels in cell volume homeostasis, cancer and drug resistance.Channels (Austin, Tex.) · 2015Review
- The plasma membrane potential and the organization of the actin cytoskeleton of epithelial cells.International journal of cell biology · 2012Article
- Hypotonic swelling-induced activation of PKN1 mediates cell survival in cardiac myocytes.American journal of physiology. Heart and circulatory physiology · 2011Article
- Pathophysiology and puzzles of the volume-sensitive outwardly rectifying anion channel.The Journal of physiology · 2009Review
- Sensors, transducers, and effectors that regulate cell size and shape.The Journal of biological chemistry · 2009Review
- Regulation of swelling-activated Cl(-) current by angiotensin II signalling and NADPH oxidase in rabbit ventricle.Cardiovascular research · 2008Article
- Functional and molecular characterization of multiple K-Cl cotransporter isoforms in corneal epithelial cells.Experimental eye research · 2007Article
- Halotolerance is enhanced in carrot callus by sensing hypergravity: influence of calcium modulators and cytochalasin D.Protoplasma · 2006Article
- Hypotonic activation of volume-sensitive outwardly rectifying anion channels (VSOACs) requires coordinated remodeling of subcortical and perinuclear actin filaments.The Journal of membrane biology · 2005Article
- Article
- Angiotensin II (AT1) receptors and NADPH oxidase regulate Cl- current elicited by beta1 integrin stretch in rabbit ventricular myocytes.The Journal of general physiology · 2004Article
- Epidermal growth factor receptor is activated by hyposmolarity and is an early signal modulating osmolyte efflux pathways in Swiss 3T3 fibroblasts.Pflugers Archiv : European journal of physiology · 2004Article
- Stretch of beta 1 integrin activates an outwardly rectifying chloride current via FAK and Src in rabbit ventricular myocytes.The Journal of general physiology · 2003Article
- Upregulation of swelling-activated Cl- channel sensitivity to cell volume by activation of EGF receptors in murine mammary cells.The Journal of physiology · 2003Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hypo-osmotic stimulation of human Intestine 407 cells rapidly activated compensatory CL- and K+ conductances that limited excessive cell swelling and, finally, restored the original cell volume. Osmotic cell swelling was accompanied by a rapid and transient reorganization of the F-actin cytoskeleton, affecting both stress fibers as well as apical ruffles. In addition, an increase in total cellular F-actin was observed. Pretreatment of the cells with recombinant Clostridium botulinum C3 exoenzyme, but not with mutant enzyme (C3-E173Q) devoid of ADP-ribosyltransferase activity, greatly reduced the activation of the osmo-sensitive anion efflux, suggesting a role for the ras-related GTPase p21rho. In contrast, introducing dominant negative N17-p21rac into the cells did not affect the volume-sensitive efflux. Cell swelling-induced reorganization of F-actin coincided with a transient, C3 exoenzyme-sensitive tyrosine phosphorylation of p125 focal adhesion kinase (p125FAK) as well as with an increase in phosphatidylinositol-3-kinase (PtdIns-3-kinase) activity. Pretreatment of the cells with wortmannin, a specific inhibitor of PtdIns-3-kinase, largely inhibited the volume-sensitive ion efflux. Taken together, our results indicate the involvement of a p21rho signaling cascade and actin filaments in the activation of volume-sensitive chloride channels.
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