2004
DOI: 10.1074/jbc.m405598200
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Molecular Cloning and Functional Analysis of Zebrafish Neutral Ceramidase

Abstract: Sphingolipids and their metabolites are multifunctional components of eukaryotic cell membranes that are involved in a variety of biological processes. Ceramide (Cer) 1 has been implicated as a novel lipid modulator in signal transduction pathways involved in cell growth, differentiation, and apoptosis (1, 2). The metabolite of Cer, sphingosine-1-phosphate (S1P), which is produced through the phosphorylation of sphingosine (Sph) by sphingosine kinase, promotes the proliferation and migration of endothelial cel… Show more

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Cited by 47 publications
(34 citation statements)
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(47 reference statements)
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“…Moreover, targeted expression of neutral CDase rescued Drosophila mutants from retinal degeneration [24]. In zebrafish (Danio rerio), neutral CDase is important in embryo development [25].…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, targeted expression of neutral CDase rescued Drosophila mutants from retinal degeneration [24]. In zebrafish (Danio rerio), neutral CDase is important in embryo development [25].…”
Section: Introductionmentioning
confidence: 99%
“…Orthologous genes have been identified in human (12), rat (13), zebrafish (14), Drosophila (15), and bacteria (16). The neutral ceramidase has been identified as a type II integral membrane protein that can be cleaved to yield a soluble secreted protein (17).…”
mentioning
confidence: 99%
“…The enzyme has also been demonstrated in the apical membranes of proximal and distal tubules, collecting ducts of kidney, endosome-like organelles of hepatocytes (13), and in the epithelia of the jejunum and ileum (11,18), suggesting possible diverse physiologic functions. In zebrafish, the expression of the enzyme was found to be critical for early development (14). To identify the physiologic functions of this neutral ceramidase in mice, we inactivated the Asah2 gene by homologous recombination.…”
mentioning
confidence: 99%
“…Based on optimal pH and primary structure, CDases are classified into three groups: acid, neutral, and alkaline enzymes (3). Because we first purified and cloned a neutral CDase from Pseudomonas aeruginosa (4,5), neutral CDases have been cloned from slime mold (6), Drosophila (7), zebrafish (8), rat (9), mouse (10), and human (11,12). Interestingly, bacterial CDases cloned from P. aeruginosa, Mycobacterium tuberculosis (5), and Dermatophilus congolensis (13), are classified as neutral CDases based on primary structure.…”
mentioning
confidence: 99%