Thrombin induces inducible nitric oxide synthase expression via the MAPK, MSK1, and NF-κB signaling pathways in alveolar macrophages

Chen Chun Lin, Chung Huang Shih, You Lan Yang, Mauo Ying Bien, Chien-Huang Lin, Ming Chih Yu, Munisamy Sureshbabu, Bing Chang Chen

研究成果: 雜誌貢獻文章

15 引文 (Scopus)

摘要

In this study, we investigated the roles of mitogen activated protein kinase (MAPK), mitogen stress-activated protein kinase 1 (MSK1), and nuclear factor-κB (NF-κB) signaling pathways in thrombin-induced inducible nitric oxide synthase (iNOS) expression in alveolar macrophages (NR8383). Treatment of NR8383 cells with thrombin caused an increase in iNOS expression in a concentration- and time-dependent manner. Treatment of NR8383 cells with SB203580 (4-(4-Fluorophenyl)-2-[4-(methylsulfinyl)phenyl]-5-(4-pyridyl)-1H- imidazole, a p38 MAPK inhibitor), PD98059 (2′-amino-3′- methoxyflavone, a MAPK kinase (MEK) inhibitor), and SP600125 (anthra[1-9-cd]pyrazol-6(2H)-one, a JNK inhibitor) all inhibited thrombin-induced iNOS expression. Stimulation of cells with thrombin caused an increase in p38 MAPK, ERK, and JNK phosphorylation. Treatment of cells with Ro 31-8220 (an MSK1 inhibitor) and MSK1 small interfering RNA (MSK1 siRNA) both inhibited thrombin-induced iNOS expression. Thrombin caused time-dependent activation of MSK1 Ser531 phosphorylation, which was inhibited by SB203580 and PD98059, but not by SP600125. Treatment of cells with pyrrolidine dithiocarbamate (PDTC, an NF-κB inhibitor) inhibited thrombin-induced iNOS expression in a concentration-dependent manner. Treatment of NR8383 cells with thrombin induced κB-luciferase activity and p65 Ser276 phosphorylation. Thrombin-induced increases in p65 Ser276 phosphorylation and κB-luciferase activity were inhibited by SB203580, PD98059, Ro 31-8220, and MSK1 siRNA. Taken together, these results suggest that the signaling pathways of MAPK, MSK1, and NF-κB play important roles in thrombin-induced iNOS expression in alveolar macrophages.
原文英語
頁(從 - 到)180-187
頁數8
期刊European Journal of Pharmacology
672
發行號1-3
DOIs
出版狀態已發佈 - 十二月 15 2011

指紋

MAP Kinase Kinase 1
MAP Kinase Kinase 4
Complement Factor B
Alveolar Macrophages
Nitric Oxide Synthase Type II
Mitogen-Activated Protein Kinases
Thrombin
Phosphorylation
Mitogen-Activated Protein Kinase Kinases
p38 Mitogen-Activated Protein Kinases
Protein Kinase Inhibitors
Luciferases
Small Interfering RNA
Thrombin Time
mitogen and stress-activated protein kinase 1

ASJC Scopus subject areas

  • Pharmacology

引用此文

Thrombin induces inducible nitric oxide synthase expression via the MAPK, MSK1, and NF-κB signaling pathways in alveolar macrophages. / Lin, Chen Chun; Shih, Chung Huang; Yang, You Lan; Bien, Mauo Ying; Lin, Chien-Huang; Yu, Ming Chih; Sureshbabu, Munisamy; Chen, Bing Chang.

於: European Journal of Pharmacology, 卷 672, 編號 1-3, 15.12.2011, p. 180-187.

研究成果: 雜誌貢獻文章

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abstract = "In this study, we investigated the roles of mitogen activated protein kinase (MAPK), mitogen stress-activated protein kinase 1 (MSK1), and nuclear factor-κB (NF-κB) signaling pathways in thrombin-induced inducible nitric oxide synthase (iNOS) expression in alveolar macrophages (NR8383). Treatment of NR8383 cells with thrombin caused an increase in iNOS expression in a concentration- and time-dependent manner. Treatment of NR8383 cells with SB203580 (4-(4-Fluorophenyl)-2-[4-(methylsulfinyl)phenyl]-5-(4-pyridyl)-1H- imidazole, a p38 MAPK inhibitor), PD98059 (2′-amino-3′- methoxyflavone, a MAPK kinase (MEK) inhibitor), and SP600125 (anthra[1-9-cd]pyrazol-6(2H)-one, a JNK inhibitor) all inhibited thrombin-induced iNOS expression. Stimulation of cells with thrombin caused an increase in p38 MAPK, ERK, and JNK phosphorylation. Treatment of cells with Ro 31-8220 (an MSK1 inhibitor) and MSK1 small interfering RNA (MSK1 siRNA) both inhibited thrombin-induced iNOS expression. Thrombin caused time-dependent activation of MSK1 Ser531 phosphorylation, which was inhibited by SB203580 and PD98059, but not by SP600125. Treatment of cells with pyrrolidine dithiocarbamate (PDTC, an NF-κB inhibitor) inhibited thrombin-induced iNOS expression in a concentration-dependent manner. Treatment of NR8383 cells with thrombin induced κB-luciferase activity and p65 Ser276 phosphorylation. Thrombin-induced increases in p65 Ser276 phosphorylation and κB-luciferase activity were inhibited by SB203580, PD98059, Ro 31-8220, and MSK1 siRNA. Taken together, these results suggest that the signaling pathways of MAPK, MSK1, and NF-κB play important roles in thrombin-induced iNOS expression in alveolar macrophages.",
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AU - Lin, Chen Chun

AU - Shih, Chung Huang

AU - Yang, You Lan

AU - Bien, Mauo Ying

AU - Lin, Chien-Huang

AU - Yu, Ming Chih

AU - Sureshbabu, Munisamy

AU - Chen, Bing Chang

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N2 - In this study, we investigated the roles of mitogen activated protein kinase (MAPK), mitogen stress-activated protein kinase 1 (MSK1), and nuclear factor-κB (NF-κB) signaling pathways in thrombin-induced inducible nitric oxide synthase (iNOS) expression in alveolar macrophages (NR8383). Treatment of NR8383 cells with thrombin caused an increase in iNOS expression in a concentration- and time-dependent manner. Treatment of NR8383 cells with SB203580 (4-(4-Fluorophenyl)-2-[4-(methylsulfinyl)phenyl]-5-(4-pyridyl)-1H- imidazole, a p38 MAPK inhibitor), PD98059 (2′-amino-3′- methoxyflavone, a MAPK kinase (MEK) inhibitor), and SP600125 (anthra[1-9-cd]pyrazol-6(2H)-one, a JNK inhibitor) all inhibited thrombin-induced iNOS expression. Stimulation of cells with thrombin caused an increase in p38 MAPK, ERK, and JNK phosphorylation. Treatment of cells with Ro 31-8220 (an MSK1 inhibitor) and MSK1 small interfering RNA (MSK1 siRNA) both inhibited thrombin-induced iNOS expression. Thrombin caused time-dependent activation of MSK1 Ser531 phosphorylation, which was inhibited by SB203580 and PD98059, but not by SP600125. Treatment of cells with pyrrolidine dithiocarbamate (PDTC, an NF-κB inhibitor) inhibited thrombin-induced iNOS expression in a concentration-dependent manner. Treatment of NR8383 cells with thrombin induced κB-luciferase activity and p65 Ser276 phosphorylation. Thrombin-induced increases in p65 Ser276 phosphorylation and κB-luciferase activity were inhibited by SB203580, PD98059, Ro 31-8220, and MSK1 siRNA. Taken together, these results suggest that the signaling pathways of MAPK, MSK1, and NF-κB play important roles in thrombin-induced iNOS expression in alveolar macrophages.

AB - In this study, we investigated the roles of mitogen activated protein kinase (MAPK), mitogen stress-activated protein kinase 1 (MSK1), and nuclear factor-κB (NF-κB) signaling pathways in thrombin-induced inducible nitric oxide synthase (iNOS) expression in alveolar macrophages (NR8383). Treatment of NR8383 cells with thrombin caused an increase in iNOS expression in a concentration- and time-dependent manner. Treatment of NR8383 cells with SB203580 (4-(4-Fluorophenyl)-2-[4-(methylsulfinyl)phenyl]-5-(4-pyridyl)-1H- imidazole, a p38 MAPK inhibitor), PD98059 (2′-amino-3′- methoxyflavone, a MAPK kinase (MEK) inhibitor), and SP600125 (anthra[1-9-cd]pyrazol-6(2H)-one, a JNK inhibitor) all inhibited thrombin-induced iNOS expression. Stimulation of cells with thrombin caused an increase in p38 MAPK, ERK, and JNK phosphorylation. Treatment of cells with Ro 31-8220 (an MSK1 inhibitor) and MSK1 small interfering RNA (MSK1 siRNA) both inhibited thrombin-induced iNOS expression. Thrombin caused time-dependent activation of MSK1 Ser531 phosphorylation, which was inhibited by SB203580 and PD98059, but not by SP600125. Treatment of cells with pyrrolidine dithiocarbamate (PDTC, an NF-κB inhibitor) inhibited thrombin-induced iNOS expression in a concentration-dependent manner. Treatment of NR8383 cells with thrombin induced κB-luciferase activity and p65 Ser276 phosphorylation. Thrombin-induced increases in p65 Ser276 phosphorylation and κB-luciferase activity were inhibited by SB203580, PD98059, Ro 31-8220, and MSK1 siRNA. Taken together, these results suggest that the signaling pathways of MAPK, MSK1, and NF-κB play important roles in thrombin-induced iNOS expression in alveolar macrophages.

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KW - NF-κB (nuclear factor-κB)

KW - Thrombin

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