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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Catalyzes specifically the phosphorylation of ceramide to form ceramide 1-phosphate. Acts efficiently on natural and analog ceramides (C6, C8, C16 ceramides, and C8-dihydroceramide), to a lesser extent on C2-ceramide and C6-dihydroceramide, but not on other lipids, such as various sphingosines. Shows a greater preference for D-erythro isomer of ceramides. Binds phosphoinositides.
基因功能參考文獻:
our findings identify a functional role for Cerk in breast cancer recurrence and suggest the clinical utility of agents targeted against this prosurvival pathway. PMID: 25164007
Data suggest that inhibition of ceramide kinase (CerK) [by specific gene silencing or pharmacological inhibition] drastically reduced cell proliferation in a neuroblastoma cell line. PMID: 22579669
TNF-alpha exposure of human SH-SY5Y neuroblastoma caused a profound increase in CERK activity. PMID: 22230689
Expression of hCERK enhanced ceramide-1-phosphate formation and release of arachidonic acid in Ca(2+) ionophore-stimulated cells. PMID: 21621503
We have identified a differential role for ceramide kinase in mast-cell activation PMID: 21255156
Molecular cloning and functional characterization PMID: 11956206
ceramide kinase and its product, C-1-P, have roles in arachidonic acid release and production of eicosanoids PMID: 12855693
CERK translocates during activation from the cytosol to a lipid raft fraction PMID: 15899891
Pleckstrin homology domain of CERK is not only indispensable for its activity but also act as a regulator of CERK activity. PMID: 16081073
sphingoid chain was also required for substrate recognition by CERK PMID: 16170208
Recombinant CERK was analyzed with regard to dependence on divalent cations, to substrate delivery, specificity, and stereoselectivity. CERK associated with the plasma membrane in CHO cells, which is mediated by the N-terminal putative pleckstrin domain. PMID: 16269826
CERK-pleckstrin homology domain plays a crucial role in plasma membrane targeting through its binding to phosphatidylinositol 4,5-bisphosphate and subsequent induction of ceramide-1-phosphate production in the vicinity of the membrane. PMID: 16488390
These results suggest that ceramide kinase determines the balance between pro-apoptotic ceramide and anti-apoptotic C1P to regulate cell fate, reminiscent of its function in plants. PMID: 17274985
Results demonstrate that CERK localizes to areas of eicosanoid synthesis and uses a ceramide "pool" transported in an active manner via CERT. PMID: 17392267
HL-60 cells are useful for studying CerK functions in leukocyte differentiation, and they also suggest that CerK might have an important role in such differentiation. PMID: 17957442
higher Ca2+ signal observed in hCERK transfected cells as well as the fact that CERK colocalized with EIgG during phagocytosis support hypothesis that Ca2+ signaling is an important factor for increasing phagocytosis and is regulated by CERK PMID: 18156590
identification of a cluster of cysteines, C(347)XXXC(351)XXC(354), essential for CerK function PMID: 18662741
ceramide kinase, was associated with poor pathohistological grading in breast cancer PMID: 19125296
The Pleckstrin Homology (PH) domain of CERK, which is required for Golgi complex localization, can substitute for the N-terminal region of CERKL and allow for wild-type CERKL localization, which is typified by nucleolar accumulation. PMID: 19501188
JNK and ceramide kinase govern the biogenesis of lipid droplets through activation of group IVA phospholipase A2 PMID: 19778898
High level expression in heart, brain, skeletal muscle, kidney and liver; moderate in peripheral blood leukocytes and thymus; very low in spleen, small intestine, placenta and lung.