نتایج جستجو برای: sphingosine 1 phosphate
تعداد نتایج: 2821340 فیلتر نتایج به سال:
We report that sphingosine and short-chain ceramides activate adenylate cyclase and stimulate intracellular cyclic AMP formation in airway-smooth-muscle (ASM) cells. In each case, there is a conditional requirement for GTP-Gs alpha. Sphingosine utilizes a protein kinase C-dependent pathway to elicit activation of adenylate cyclase, whereas for short-chain ceramides the mechanism remains unident...
Sphingosine is a positive regulator of cell growth in Swiss 3T3 fibroblasts (Zhang, H., Buckley, N. E., Gibson, K., and Spiegel, S. (1990) J. Biol. Chem. 265, 76-81). The present study investigated the stereospecificity of sphingosine-induced cell proliferation and its mitogenic signal transduction mechanisms. D-(+)-erythro Stereoisomers (cis and trans) stimulated DNA synthesis, whereas neither...
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