Rapid increase in endothelial nitric oxide production by bradykinin is mediated by protein kinase A signaling pathway

Sung Won Bae; Hye Sue Kim; Young Nam Cha; Yoon Shin Park; Sangmee Ahn Jo; Inho Jo

doi:10.1016/S0006-291X(03)01086-6

Rapid increase in endothelial nitric oxide production by bradykinin is mediated by protein kinase A signaling pathway

Sung Won Bae, Hye Sue Kim, Young Nam Cha, Yoon Shin Park, Sangmee Ahn Jo, Inho Jo

Department of Molecular Medicine

Research output: Contribution to journal › Article › peer-review

93 Scopus citations

Abstract

Bradykinin (BK) acutely increases endothelial nitric oxide (NO) production by activating endothelial NO synthase (eNOS), and this increase is in part correlated with enhanced phosphorylation/dephosphorylation of eNOS by several protein kinases and phosphatases. However, the signaling mechanisms producing this increase are still controversial. In an attempt to delineate the acute effect of BK on endothelial NO production, confluent bovine aortic endothelial cells were incubated with BK, and NO production was measured by NO-specific chemiluminescence. Significant increase in NO levels was detected as early as 1min after BK treatment, with concomitant increase in the phosphorylation of Ser¹¹⁷⁹ (bovine sequence) site of eNOS (eNOS-Ser¹¹⁷⁹). This acute effect of BK on both increases was blocked only by treatment of protein kinase A inhibitor H-89, but not by the inhibitors of calmodulin-dependent kinase II and protein kinase B, suggesting that the rapid increase in NO production by BK is mediated by the PKA-dependent phosphorylation of eNOS-Ser¹¹⁷⁹.

Original language	English
Pages (from-to)	981-987
Number of pages	7
Journal	Biochemical and Biophysical Research Communications
Volume	306
Issue number	4
DOIs	https://doi.org/10.1016/S0006-291X(03)01086-6
State	Published - 11 Jul 2003

Bibliographical note

Funding Information:
This work was supported in part by Korea National Institute of Health intramural research Grant (348-6111-213-000-207) and Science Research Center grant from Korea Science and Engineering Foundation (KOSEF) to the Nitric Oxide Radical Toxicology Research Center (NORTReC) to Dr. Inho Jo and by Biomedical Brain Research Center grant from Ministry of Health and Welfare to Dr. Sangmee Ahn Jo.

Keywords

Bradykinin
Endothelial nitric oxide synthase
Nitric oxide
Phosphorylation/dephosphorylation
Protein kinase A

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title = "Rapid increase in endothelial nitric oxide production by bradykinin is mediated by protein kinase A signaling pathway",

abstract = "Bradykinin (BK) acutely increases endothelial nitric oxide (NO) production by activating endothelial NO synthase (eNOS), and this increase is in part correlated with enhanced phosphorylation/dephosphorylation of eNOS by several protein kinases and phosphatases. However, the signaling mechanisms producing this increase are still controversial. In an attempt to delineate the acute effect of BK on endothelial NO production, confluent bovine aortic endothelial cells were incubated with BK, and NO production was measured by NO-specific chemiluminescence. Significant increase in NO levels was detected as early as 1min after BK treatment, with concomitant increase in the phosphorylation of Ser1179 (bovine sequence) site of eNOS (eNOS-Ser1179). This acute effect of BK on both increases was blocked only by treatment of protein kinase A inhibitor H-89, but not by the inhibitors of calmodulin-dependent kinase II and protein kinase B, suggesting that the rapid increase in NO production by BK is mediated by the PKA-dependent phosphorylation of eNOS-Ser1179.",

keywords = "Bradykinin, Endothelial nitric oxide synthase, Nitric oxide, Phosphorylation/dephosphorylation, Protein kinase A",

author = "Bae, {Sung Won} and Kim, {Hye Sue} and Cha, {Young Nam} and Park, {Yoon Shin} and Jo, {Sangmee Ahn} and Inho Jo",

note = "Funding Information: This work was supported in part by Korea National Institute of Health intramural research Grant (348-6111-213-000-207) and Science Research Center grant from Korea Science and Engineering Foundation (KOSEF) to the Nitric Oxide Radical Toxicology Research Center (NORTReC) to Dr. Inho Jo and by Biomedical Brain Research Center grant from Ministry of Health and Welfare to Dr. Sangmee Ahn Jo.",

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AU - Bae, Sung Won

AU - Kim, Hye Sue

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AU - Park, Yoon Shin

AU - Jo, Sangmee Ahn

AU - Jo, Inho

N1 - Funding Information: This work was supported in part by Korea National Institute of Health intramural research Grant (348-6111-213-000-207) and Science Research Center grant from Korea Science and Engineering Foundation (KOSEF) to the Nitric Oxide Radical Toxicology Research Center (NORTReC) to Dr. Inho Jo and by Biomedical Brain Research Center grant from Ministry of Health and Welfare to Dr. Sangmee Ahn Jo.

PY - 2003/7/11

Y1 - 2003/7/11

N2 - Bradykinin (BK) acutely increases endothelial nitric oxide (NO) production by activating endothelial NO synthase (eNOS), and this increase is in part correlated with enhanced phosphorylation/dephosphorylation of eNOS by several protein kinases and phosphatases. However, the signaling mechanisms producing this increase are still controversial. In an attempt to delineate the acute effect of BK on endothelial NO production, confluent bovine aortic endothelial cells were incubated with BK, and NO production was measured by NO-specific chemiluminescence. Significant increase in NO levels was detected as early as 1min after BK treatment, with concomitant increase in the phosphorylation of Ser1179 (bovine sequence) site of eNOS (eNOS-Ser1179). This acute effect of BK on both increases was blocked only by treatment of protein kinase A inhibitor H-89, but not by the inhibitors of calmodulin-dependent kinase II and protein kinase B, suggesting that the rapid increase in NO production by BK is mediated by the PKA-dependent phosphorylation of eNOS-Ser1179.

AB - Bradykinin (BK) acutely increases endothelial nitric oxide (NO) production by activating endothelial NO synthase (eNOS), and this increase is in part correlated with enhanced phosphorylation/dephosphorylation of eNOS by several protein kinases and phosphatases. However, the signaling mechanisms producing this increase are still controversial. In an attempt to delineate the acute effect of BK on endothelial NO production, confluent bovine aortic endothelial cells were incubated with BK, and NO production was measured by NO-specific chemiluminescence. Significant increase in NO levels was detected as early as 1min after BK treatment, with concomitant increase in the phosphorylation of Ser1179 (bovine sequence) site of eNOS (eNOS-Ser1179). This acute effect of BK on both increases was blocked only by treatment of protein kinase A inhibitor H-89, but not by the inhibitors of calmodulin-dependent kinase II and protein kinase B, suggesting that the rapid increase in NO production by BK is mediated by the PKA-dependent phosphorylation of eNOS-Ser1179.

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KW - Endothelial nitric oxide synthase

KW - Nitric oxide

KW - Phosphorylation/dephosphorylation

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Rapid increase in endothelial nitric oxide production by bradykinin is mediated by protein kinase A signaling pathway

Abstract

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Keywords

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