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Induction of nitric oxide synthase and nitric oxide-mediated apoptosis in neuronal PC12 cells after stimulation with tumor necrosis factor-alpha/lipopolysaccharide.
HENEKA, Michael; Löschmann, Peter-A.; Gleichmann, Marc et al.
1998In Journal of Neurochemistry, 71 (1), p. 88 - 94
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Keywords :
2-amino-5,6-dihydro-6-methyl-4H-1,3-thiazine; Deoxyuracil Nucleotides; Enzyme Inhibitors; Guanidines; Lipopolysaccharides; RNA, Messenger; Thiazines; Tumor Necrosis Factor-alpha; omega-N-Methylarginine; Nitric Oxide; Biotin; Arginine; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Nos2 protein, rat; pimagedine; Animals; Apoptosis/drug effects; Apoptosis/physiology; Arginine/pharmacology; Cell Differentiation/physiology; DNA Fragmentation; Enzyme Inhibitors/pharmacology; Gene Expression Regulation, Enzymologic/physiology; Guanidines/pharmacology; Lipopolysaccharides/pharmacology; Neurons/cytology; Neurons/drug effects; Neurons/enzymology; Nitric Oxide/metabolism; Nitric Oxide Synthase/antagonists & inhibitors; Nitric Oxide Synthase/genetics; Nitric Oxide Synthase/metabolism; PC12 Cells; RNA, Messenger/analysis; Rats; Staining and Labeling; Thiazines/pharmacology; Transcription, Genetic/physiology; Tumor Necrosis Factor-alpha/pharmacology; omega-N-Methylarginine/pharmacology; Apoptosis; Differentiated PC12 cells; Inducible nitric oxide synthase; N- Monomethylarginine; Biochemistry; Cellular and Molecular Neuroscience; N-monomethylarginine
Abstract :
[en] Exposure of neuronal PC12 cells, differentiated by nerve growth factor, to tumor necrosis factor-alpha (TNF-alpha) and bacterial lipopolysaccharide (LPS) resulted in de novo synthesis of inducible nitric oxide synthase (iNOS) mRNA and protein with an increase up to 24 h. Brain NOS expression was unaffected. The induction of iNOS in differentiated PC12 cells was associated with cell death characterized by features of apoptosis. The NOS inhibitors N-monomethylarginine, aminoguanidine, and 2-amino-5,6-dihydro-6-methyl-4H-1,3-thiazine.HCl prevented TNF-alpha/LPS-induced cell death and DNA fragmentation, suggesting that the TNF-alpha/LPS-induced cell death is mediated by iNOS-derived NO. This hypothesis is supported by the finding that addition of L-arginine, which serves as a precursor and limiting factor of enzyme-derived NO production, potentiated TNF-alpha/LPS-induced loss of viability.
Disciplines :
Neurology
Author, co-author :
HENEKA, Michael  ;  Department of Neurology, University of Tübingen, Germany
Löschmann, Peter-A.;  Department of Neurology, University of Tübingen, Tübingen, Germany
Gleichmann, Marc;  Department of Neurology, University of Tübingen, Tübingen, Germany
Weller, Michael;  Department of Neurology, University of Tübingen, Tübingen, Germany
Schulz, Jörg B.;  Department of Neurology, University of Tübingen, Tübingen, Germany
Wüllner, Ullrich;  Department of Neurology, University of Tübingen, Tübingen, Germany
Klockgether, Thomas;  Department of Neurology, University of Tübingen, Tübingen, Germany
External co-authors :
yes
Language :
English
Title :
Induction of nitric oxide synthase and nitric oxide-mediated apoptosis in neuronal PC12 cells after stimulation with tumor necrosis factor-alpha/lipopolysaccharide.
Publication date :
July 1998
Journal title :
Journal of Neurochemistry
ISSN :
0022-3042
eISSN :
1471-4159
Publisher :
Blackwell Publishing Ltd, England
Volume :
71
Issue :
1
Pages :
88 - 94
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 07 May 2024

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