A novel GTP gamma S-dependent regulatory mechanism in the basolateral Cl- channel of gastric parietal cells.
- Published Article
The Japanese journal of physiology
- Publication Date
Jan 01, 1994
44 Suppl 2
A housekeeping basolateral Cl- channel in rabbit gastric parietal cells (0.3-0.4 pS) is closed by an intracellular application of GTP gamma S. Here, we found a novel GTP gamma S-dependent regulatory mechanism, in which GTP gamma S stimulates intracellular superoxide (O2-) production and the O2- acts as a messenger in the closure of the Cl- channel. Other oxygen species such as .OH and H2O2 were not involved in the closing mechanism.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/7752545