|Application ||WB, E|
|Other Accession||NP_063946, 221218981|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||85516 Da|
|Application Notes||ASAH2 antibody can be used for detection of ASAH2 by Western blot at 1 and 2 µg/mL.|
|Reconstitution & Storage||ASAH2 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.|
|Precautions||ASAH2 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Hydrolyzes the sphingolipid ceramide into sphingosine and free fatty acid at an optimal pH of 6.5-8.5. Acts as a key regulator of sphingolipid signaling metabolites by generating sphingosine at the cell surface. Acts as a repressor of apoptosis both by reducing C16-ceramide, thereby preventing ceramide-induced apoptosis, and generating sphingosine, a precursor of the antiapoptotic factor sphingosine 1-phosphate. Probably involved in the digestion of dietary sphingolipids in intestine by acting as a key enzyme for the catabolism of dietary sphingolipids and regulating the levels of bioactive sphingolipid metabolites in the intestinal tract.|
|Cellular Location||Cell membrane; Single-pass type II membrane protein. Note=The neutral ceramidase soluble form is a secreted protein. According to PubMed:10781606, it is mitochondrial. However, they used a shorter form in its N- terminus, which may explain this localization which probably does not exist in vivo|
|Tissue Location||Primarily expressed in the intestine (PubMed:17334805). Ubiquitously expressed with higher levels in kidney, skeletal muscle and heart (PubMed:10781606). According to PubMed:17334805, ubiquitous expression attributed to ASAH2 may be actually that of the paralog ASAH2B.|
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Provided below are standard protocols that you may find useful for product applications.
ASAH2 Antibody: Sphingolipids are hydrolyzed by ceramidases to yield sphingosine and fatty acids. These ceramidases are classified according to the pH range that supports their optimal activity. ASAH2 is a neutral ceramidase and key regulator of sphingolipid signaling metabolites at the cell surface, catalyzing the hydrolysis of the N-acyl linkage of ceramide at an optimal pH of 6.5-8.5. ASAH2 is a type II integral membrane protein that can be cleaved to yield a soluble secreted protein and acts as a repressor of apoptosis both by reducing C16-ceramide, thereby preventing ceramide-induced apoptosis, and generating sphingosine. Sphingosine exerts both mitogenic and apoptosis-inducing activities, and its phosphorylated form functions as an intra- and intercellular second messenger. ASAH2 is ubiquitously expressed primarily expressed with higher levels in the intestine, kidney, skeletal muscle and heart. Recent studies indicate that ASAH2 encoded neutral ceramidase is a key enzyme for the catabolism of dietary sphingolipids and regulates the levels of bioactive sphingolipid metabolites in the intestinal tract.
Nilsson A and Duan RD. Alkaline sphingomyelinases and ceramidases of the gastrointestinal tract. Chem. Phys. Lipids1999; 102:97-105.
Tani M, Okino N, Mitsutake S, et al. Molecular Cloning of the Full-length cDNA Encoding Mouse Neutral Ceramidase. J. Biol. Chem.2000; 275:11229-34.
Tani M, Iida H, and Ito M. O-Glycosylation of Mucin-like Domain Retains the Neutral Ceramidase on the Plasma Membranes as a Type II Integral Membrane Protein. J. Biol. Chem.2003; 278:10523-30.
Osawa Y, Uchinami H, Bielawski J, et al. Roles for C16-ceramide and sphingosine 1-phosphate in regulating hepatocyte apoptosis in response to tumor necrosis factor-alpha. J. Biol. Chem.2005; 280:27879-87.
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