Electrogenic sodium-bicarbonate cotransport in human ciliary muscle cells

URN to cite this document:: urn:nbn:de:bvb:355-epub-268797
DOI to cite this document:: 10.5283/epub.26879

Stahl, F. ; Lepple-Wienhues, A. ; Kuppinger, M. ; Tamm, Ernst R. ; Wiederholt, M.

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Date of publication of this fulltext: 03 Dec 2012 14:10

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Abstract

We investigated membrane voltage and intracellular pH (pHi) in cultured human ciliary muscle cells using a cell line (H7CM) and primary-cultured human ciliary muscle cells. 1) Resting potential was 58.9 +/- 1.0 mV in H7CM cells and 61.9 +/- 1.4 mV in primary cultures. The following data are from H7CM cells, but results from primary cultures were basically similar. 2) In HCO3(-)-CO2-buffered ...