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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.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Acylsphingosine deacylase 2; BCDase; hCD; LCDase; mitochondrial ceramidase; N-acylsphingosine amidohydrolase (non-lysosomal ceramidase) 2; N-acylsphingosine amidohydrolase 2; N-CDase; NCDase; Neutral ceramidase; neutral/alkaline ceramidase; Non-lysosomal ceramidase
基因别名: ASAH2; BCDase; HNAC1; LCDase; N-CDase; NCDase
UniProt ID: (Human) Q9NR71, (Rat) Q91XT9
Entrez Gene ID: (Human) 56624, (Rat) 114104