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Regulatory volume decrease (RVD) is a process by which cells restore their original volume in response to swelling. In this study, we have focused on the role played by two different Aquaporins (AQPs), Aquaporin‐4 (AQP4), and Aquaporin‐1 (AQP1), in triggering RVD and in mediating calcium signaling in astrocytes under hypotonic stimulus. Using biophysical techniques to measure water flux through the...
We investigated the possible role of ion channels and transporters in cell volume control using Aplysia brasiliana ventricular tissues exposed to a 26% hyposmotic shock, by assessing changes in wet weight, intracellular water and ionic contents. Thirty minutes after the shock, the wet weight of isolated ventricles increase about 20% above control levels and then attain near original weight within...
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