Article
Function of the HVCN1 proton channel in airway epithelia and a naturally occurring mutation, M91T.
The Journal of general physiology - 1 Jul 2010
Iovannisci David, Illek Beate, Fischer Horst
Abstract excerpt
Airways secrete considerable amounts of acid. In this study, we investigated the identity and the pH-dependent function of the apical H(+) channel in the airway epithelium. In pH stat recordings of confluent JME airway epithelia in Ussing chambers, Zn-sensitive acid secretion was activated at a mucosal threshold pH of approximately 7, above which it increased pH-dependently at a rate of 339 +/- 34 nmol x h(-1) x...
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