Title : Ceramide activates JNK to inhibit a cAMP-gated K+ conductance and Cl- secretion in intestinal epithelia.

Pub. Date : 2009 Jan

PMID : 18820034






3 Functional Relationships(s)
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1 Ceramide activates JNK to inhibit a cAMP-gated K+ conductance and Cl- secretion in intestinal epithelia. Cyclic AMP mitogen-activated protein kinase 8 Homo sapiens
2 Basolaterally applied SMase induced the phosphorylation of c-Jun NH(2)-terminal kinase (JNK), and inhibition of JNK rescued the effect of SMase on cAMP-dependant secretion. Cyclic AMP mitogen-activated protein kinase 8 Homo sapiens
3 Thus, conversion of sphingomyelin to ceramide in basolateral membranes of intestinal cells rapidly activates JNK to inhibit a cAMP-gated K(+) conductance and thereby attenuates Cl(-) secretion. Cyclic AMP mitogen-activated protein kinase 8 Homo sapiens