Title : Alteration of ceramide synthase 6/C16-ceramide induces activating transcription factor 6-mediated endoplasmic reticulum (ER) stress and apoptosis via perturbation of cellular Ca2+ and ER/Golgi membrane network.

Pub. Date : 2011 Dec 9

PMID : 22013072






2 Functional Relationships(s)
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1 Down-regulation of CerS6/C(16)-ceramide, and not its further metabolism to glucosylceramide or sphingomyelin, activated ATF-6 upon treatment with ER stress inducers tunicamycin or SAHA (suberoylanilide hydroxamic acid). Tunicamycin activating transcription factor 6 Homo sapiens
2 Induction of WT-CerS6 expression, but not its mutant, or ectopic expression of the dominant-negative mutant form of ATF-6 protected cells from apoptosis in response to CerS6 knockdown and tunicamycin or SAHA treatment. Tunicamycin activating transcription factor 6 Homo sapiens