Nitric oxide negatively regulates c-Jun N-terminal kinase/stress-activated protein kinase by means of S-nitrosylation

Hee S. Park, Sung H. Huh, Mi Sung Kim, Soo Hwan Lee, Eui Ju Choi

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Abstract

NO, produced from L-arginine in a reaction catalyzed by NO synthase, is an endogenous free radical with multiple functions in mammalian cells. Here, we demonstrate that endogenously produced NO can suppress c-Jun N-terminal kinase (JNK) activation in intact cells. Treatment of BV-2 murine microglial cells with IFN-γ induced endogenous NO production, concomitantly suppressing JNK1 activation. Similarly, IFN-γ induced suppression of JNK1 activation in RAW264.7 murine macrophage cells and rat alveolar macrophages. The IFN-γ-induced suppression of JNK1 activation in BV-2, RAW264.7, or rat alveolar macrophage cells was completely prevented by NG-nitro-L-arginine, a NO synthase inhibitor. Interestingly, the IFN-γ-induced suppression of JNK1 activation was not affected by 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, an inhibitor of guanylyl cyclase. 8-Bromo-cGMP, a membrane-permeant analogue of cGMP, did not change JNK1 activation in intact cells either. In contrast, S-nitro-N-acetyl-DL-penicillamine (SNAP), a NO donor, inhibited JNK1 activity in vitro. Furthermore, a thiol reducing agent, DTT, reversed not only the in vitro inhibition of JNK1 activity by SNAP but also the in vivo suppression of JNK1 activity by IFN-γ. Substitution of serine for cysteine-116 in JNK1 abolished the inhibitory effect of IFN-γ or SNAP on JNK1 activity in vivo or in vitro, respectively. Moreover, IFN-γ enhanced endogenous S-nitrosylation of JNK1 in RAW264.7 cells. Collectively, our data suggest that endogenous NO mediates the IFN-γ-induced suppression of JNK1 activation in macrophage cells by means of a thiolredox mechanism.

Original languageEnglish
Pages (from-to)14382-14387
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume97
Issue number26
DOIs
Publication statusPublished - 2000 Dec 19

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JNK Mitogen-Activated Protein Kinases
Heat-Shock Proteins
Protein Kinases
Nitric Oxide
Penicillamine
Alveolar Macrophages
Nitric Oxide Synthase
Alveolar Epithelial Cells
Macrophage Activation
Guanylate Cyclase
Nitroarginine
Reducing Agents
Sulfhydryl Compounds
Serine
Free Radicals
Cysteine
Arginine
Macrophages
Membranes
In Vitro Techniques

ASJC Scopus subject areas

  • General
  • Genetics

Cite this

Nitric oxide negatively regulates c-Jun N-terminal kinase/stress-activated protein kinase by means of S-nitrosylation. / Park, Hee S.; Huh, Sung H.; Kim, Mi Sung; Lee, Soo Hwan; Choi, Eui Ju.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 97, No. 26, 19.12.2000, p. 14382-14387.

Research output: Contribution to journalArticle

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abstract = "NO, produced from L-arginine in a reaction catalyzed by NO synthase, is an endogenous free radical with multiple functions in mammalian cells. Here, we demonstrate that endogenously produced NO can suppress c-Jun N-terminal kinase (JNK) activation in intact cells. Treatment of BV-2 murine microglial cells with IFN-γ induced endogenous NO production, concomitantly suppressing JNK1 activation. Similarly, IFN-γ induced suppression of JNK1 activation in RAW264.7 murine macrophage cells and rat alveolar macrophages. The IFN-γ-induced suppression of JNK1 activation in BV-2, RAW264.7, or rat alveolar macrophage cells was completely prevented by NG-nitro-L-arginine, a NO synthase inhibitor. Interestingly, the IFN-γ-induced suppression of JNK1 activation was not affected by 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, an inhibitor of guanylyl cyclase. 8-Bromo-cGMP, a membrane-permeant analogue of cGMP, did not change JNK1 activation in intact cells either. In contrast, S-nitro-N-acetyl-DL-penicillamine (SNAP), a NO donor, inhibited JNK1 activity in vitro. Furthermore, a thiol reducing agent, DTT, reversed not only the in vitro inhibition of JNK1 activity by SNAP but also the in vivo suppression of JNK1 activity by IFN-γ. Substitution of serine for cysteine-116 in JNK1 abolished the inhibitory effect of IFN-γ or SNAP on JNK1 activity in vivo or in vitro, respectively. Moreover, IFN-γ enhanced endogenous S-nitrosylation of JNK1 in RAW264.7 cells. Collectively, our data suggest that endogenous NO mediates the IFN-γ-induced suppression of JNK1 activation in macrophage cells by means of a thiolredox mechanism.",
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AB - NO, produced from L-arginine in a reaction catalyzed by NO synthase, is an endogenous free radical with multiple functions in mammalian cells. Here, we demonstrate that endogenously produced NO can suppress c-Jun N-terminal kinase (JNK) activation in intact cells. Treatment of BV-2 murine microglial cells with IFN-γ induced endogenous NO production, concomitantly suppressing JNK1 activation. Similarly, IFN-γ induced suppression of JNK1 activation in RAW264.7 murine macrophage cells and rat alveolar macrophages. The IFN-γ-induced suppression of JNK1 activation in BV-2, RAW264.7, or rat alveolar macrophage cells was completely prevented by NG-nitro-L-arginine, a NO synthase inhibitor. Interestingly, the IFN-γ-induced suppression of JNK1 activation was not affected by 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, an inhibitor of guanylyl cyclase. 8-Bromo-cGMP, a membrane-permeant analogue of cGMP, did not change JNK1 activation in intact cells either. In contrast, S-nitro-N-acetyl-DL-penicillamine (SNAP), a NO donor, inhibited JNK1 activity in vitro. Furthermore, a thiol reducing agent, DTT, reversed not only the in vitro inhibition of JNK1 activity by SNAP but also the in vivo suppression of JNK1 activity by IFN-γ. Substitution of serine for cysteine-116 in JNK1 abolished the inhibitory effect of IFN-γ or SNAP on JNK1 activity in vivo or in vitro, respectively. Moreover, IFN-γ enhanced endogenous S-nitrosylation of JNK1 in RAW264.7 cells. Collectively, our data suggest that endogenous NO mediates the IFN-γ-induced suppression of JNK1 activation in macrophage cells by means of a thiolredox mechanism.

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