Title : The bile acid-activated phosphatidylinositol 3-kinase pathway inhibits Fas apoptosis upstream of bid in rodent hepatocytes.

Pub. Date : 2001 Jun

PMID : 11375961






5 Functional Relationships(s)
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1 Although glycochenodeoxycholate (GCDC) induces Fas-mediated hepatocyte apoptosis, taurochenodeoxycholate (TCDC) simultaneously activates a phosphatidylinositol 3-kinase (PI 3-K)-mediated survival pathway blocking Fas apoptosis. Taurochenodeoxycholic Acid phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit gamma Rattus norvegicus
2 Although glycochenodeoxycholate (GCDC) induces Fas-mediated hepatocyte apoptosis, taurochenodeoxycholate (TCDC) simultaneously activates a phosphatidylinositol 3-kinase (PI 3-K)-mediated survival pathway blocking Fas apoptosis. Taurochenodeoxycholic Acid phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit gamma Rattus norvegicus
3 However, when PI-3K was inhibited with wortmannin or dominant-negative PI 3-K, TCDC-induced Bid-GFP mitochondrial translocation and cytochrome c release. Taurochenodeoxycholic Acid BH3 interacting domain death agonist Rattus norvegicus
4 CONCLUSIONS: The TCDC/PI 3-K survival signal blocks Fas-mediated apoptosis by preventing caspase 8 activation and Bid mitochondrial translocation. Taurochenodeoxycholic Acid caspase 8 Rattus norvegicus
5 CONCLUSIONS: The TCDC/PI 3-K survival signal blocks Fas-mediated apoptosis by preventing caspase 8 activation and Bid mitochondrial translocation. Taurochenodeoxycholic Acid BH3 interacting domain death agonist Rattus norvegicus