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Flores,C.A.; Cid,L.P.; Sepúlveda,F.V.; Niemeyer,M.I.. |
Currents mediated by calcium-activated chloride channels (CaCCs), observed for the first time in Xenopus oocytes, have been recorded in many cells and tissues ranging from different types of neurons to epithelial and muscle cells. CaCCs play a role in the regulation of excitability in neurons including sensory receptors. In addition, they are crucial mediators of chloride movements in epithelial cells where their activity regulates electrolyte and fluid transport. The roles of CaCCs, particularly in epithelia, are briefly reviewed with emphasis on their function in secretory epithelia. The recent identification by three independent groups, using different strategies, of TMEM16A as the molecular counterpart of the CaCC is discussed. TMEM16A is part of a... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Calcium-activated chloride channels; TMEM16; ANO; Intestinal secretion; Salivary gland; Lacrimal gland. |
Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009001100001 |
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