Cell Biology of H+ Transport in Epithelia
ARBS annu. rev. biomed. sci
; 2: 5-37, 2000. ilus, graf
Article
em En
| LILACS
| ID: lil-296331
Biblioteca responsável:
BR33.1
RESUMO
Cell homeostasis of H+ ions has been an object of wide interest in the last two decades, which has led to extended knowledge about a considerable number of membrane transport mechanisms responsible for keeping cell pH within physiological limits. Among these mechanisms the most important are Na+/H+ exchange, the vacuolar H+-ATPase, the H+-K+-ATPase, Cl-/HCO3 - exchange and Na+/HCO3 - cotransport. The present review covers both cellular function and molecular aspects of these transporters, starting from a discussion of the methods used for the determination of cell pH and epithelial H+ transport, and analysing their molecular constitution, cloning and known isoforms, as well as their functional role in the maintenance of cell pH and epithelial transport.
Texto completo:
1
Índice:
LILACS
Assunto principal:
Transporte Biológico
/
ATPases Translocadoras de Prótons
/
Trocadores de Sódio-Hidrogênio
/
ATPase Trocadora de Sódio-Potássio
/
ATPase Trocadora de Hidrogênio-Potássio
/
Homeostase
/
Concentração de Íons de Hidrogênio
Limite:
Animals
Idioma:
En
Revista:
ARBS annu. rev. biomed. sci
Assunto da revista:
BIOLOGIA
Ano de publicação:
2000
Tipo de documento:
Article