期刊
JOURNAL OF KOREAN MEDICAL SCIENCE
卷 15, 期 -, 页码 S42-S43出版社
KOREAN ACAD MEDICAL SCIENCES
DOI: 10.3346/jkms.2000.15.S.S42
关键词
cAMP; tyrosine phosphorylation; protein kinase A; protein tyrosine kinase; alveolar epithelium
1) A beta agonist stimulated Na+ transport and decreased the intracellular Cl- concentration ([Cl-](c)) associated with cell shrinkage via an increase in cytosolic cAMP level by activating adenylate cyclase in rat fetal distal lung epithelial (FDLE) cells. 2) Lowering [Cl-](c) activated a 28-pS nonselective cation (NSC) channel by elongating the open time of the channel. 3) cAMP signals were converted to a protein tyrosine kinase (PTK)-mediated signal. 4) The PTK-mediated signal was involved in the cAMP-stimulated Na+ transport in rat FDLE cells.
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