Regulation of cell volume in a human biliary cell line: activation of K+ and Cl- currents.


The mechanisms responsible for recovery from cell swelling were evaluated in Mz-ChA-1 cells from human cholangiocarcinoma, a model biliary cell line. Exposure to hypotonic buffer (40% less NaCl) rapidly increased relative cell volume to 1.35 +/- 0.10 as measured by a Coulter Multisizer, followed by regulatory volume decrease to 1.08 +/- 0.03 by 30 min. The… (More)


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