CO-releasing molecules CORM2 attenuates angiotensin II-induced human aortic smooth muscle cell migration through inhibition of ROS/IL-6 generation and matrix metalloproteinases-9 expression

Ming Horng Tsai, Chiang Wen Lee, Lee Fen Hsu, Shu Yu Li, Yao Chang Chiang, Ming Hsueh Lee, Chun Han Chen, Hwey Fang Liang, Jia Mei How, Pey Jium Chang, Ching Mei Wu, I-Ta Lee

Research output: Contribution to journalArticle

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Abstract

Ang II has been involved in the pathogenesis of cardiovascular diseases, and matrix metalloproteinase-9 (MMP-9) induced migration of human aortic smooth muscle cells (HASMCs) is the most common and basic pathological feature. Carbon monoxide (CO), a byproduct of heme breakdown by heme oxygenase, exerts anti-inflammatory effects in various tissues and organ systems. In the present study, we aimed to investigate the effects and underlying mechanisms of carbon monoxide releasing molecule-2 (CORM-2) on Ang II-induced MMP-9 expression and cell migration of HASMCs. Ang II significantly up-regulated MMP-9 expression and cell migration of HASMCs, which was inhibited by transfection with siRNA of p47 phox , Nox2, Nox4, p65, angiotensin II type 1 receptor (AT1R) and pretreatment with the inhibitors of NADPH oxidase, ROS, and NF-κB. In addition, Ang II also induced NADPH oxidase/ROS generation and p47 phox translocation from the cytosol to the membrane. Moreover, Ang II-induced oxidative stress and MMP-9-dependent cell migration were inhibited by pretreatment with CORM-2. Finally, we observed that Ang II induced IL-6 release in HASMCs via AT1R, but not AT2R, which could further caused MMP-9 secretion and cell migration. Pretreatment with CORM-2 reduced Ang II-induced IL-6 release. In conclusion, CORM-2 inhibits Ang II-induced HASMCs migration through inactivation of suppression of NADPH oxidase/ROS generation, NF-κB inactivation and IL-6/MMP-9 expression. Thus, application of CO, especially CORM-2, is a potential countermeasure to reverse the pathological changes of various cardiovascular diseases. Further effects aimed at identifying novel antioxidant and anti-inflammatory substances protective for heart and blood vessels that targeting CO and establishment of well-designed in vivo models properly evaluating the efficacy of these agents are needed.

Original languageEnglish
Pages (from-to)377-388
Number of pages12
JournalRedox Biology
Volume12
DOIs
Publication statusPublished - Aug 1 2017
Externally publishedYes

Fingerprint

Cell Migration Inhibition
Matrix Metalloproteinase 9
Carbon Monoxide
Angiotensin II
Smooth Muscle Myocytes
Muscle
Interleukin-6
Cells
Molecules
Cell Movement
NADPH Oxidase
Angiotensin Type 1 Receptor
Anti-Inflammatory Agents
Cardiovascular Diseases
Heme Oxygenase (Decyclizing)
Oxidative stress
Blood vessels
Heme
Cytosol
Small Interfering RNA

Keywords

  • Angiotensin II
  • Carbon monoxide
  • Human aortic smooth muscle cell
  • Inflammation
  • Matrix metallopeptidase-9

ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry

Cite this

CO-releasing molecules CORM2 attenuates angiotensin II-induced human aortic smooth muscle cell migration through inhibition of ROS/IL-6 generation and matrix metalloproteinases-9 expression. / Tsai, Ming Horng; Lee, Chiang Wen; Hsu, Lee Fen; Li, Shu Yu; Chiang, Yao Chang; Lee, Ming Hsueh; Chen, Chun Han; Liang, Hwey Fang; How, Jia Mei; Chang, Pey Jium; Wu, Ching Mei; Lee, I-Ta.

In: Redox Biology, Vol. 12, 01.08.2017, p. 377-388.

Research output: Contribution to journalArticle

Tsai, Ming Horng ; Lee, Chiang Wen ; Hsu, Lee Fen ; Li, Shu Yu ; Chiang, Yao Chang ; Lee, Ming Hsueh ; Chen, Chun Han ; Liang, Hwey Fang ; How, Jia Mei ; Chang, Pey Jium ; Wu, Ching Mei ; Lee, I-Ta. / CO-releasing molecules CORM2 attenuates angiotensin II-induced human aortic smooth muscle cell migration through inhibition of ROS/IL-6 generation and matrix metalloproteinases-9 expression. In: Redox Biology. 2017 ; Vol. 12. pp. 377-388.
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abstract = "Ang II has been involved in the pathogenesis of cardiovascular diseases, and matrix metalloproteinase-9 (MMP-9) induced migration of human aortic smooth muscle cells (HASMCs) is the most common and basic pathological feature. Carbon monoxide (CO), a byproduct of heme breakdown by heme oxygenase, exerts anti-inflammatory effects in various tissues and organ systems. In the present study, we aimed to investigate the effects and underlying mechanisms of carbon monoxide releasing molecule-2 (CORM-2) on Ang II-induced MMP-9 expression and cell migration of HASMCs. Ang II significantly up-regulated MMP-9 expression and cell migration of HASMCs, which was inhibited by transfection with siRNA of p47 phox , Nox2, Nox4, p65, angiotensin II type 1 receptor (AT1R) and pretreatment with the inhibitors of NADPH oxidase, ROS, and NF-κB. In addition, Ang II also induced NADPH oxidase/ROS generation and p47 phox translocation from the cytosol to the membrane. Moreover, Ang II-induced oxidative stress and MMP-9-dependent cell migration were inhibited by pretreatment with CORM-2. Finally, we observed that Ang II induced IL-6 release in HASMCs via AT1R, but not AT2R, which could further caused MMP-9 secretion and cell migration. Pretreatment with CORM-2 reduced Ang II-induced IL-6 release. In conclusion, CORM-2 inhibits Ang II-induced HASMCs migration through inactivation of suppression of NADPH oxidase/ROS generation, NF-κB inactivation and IL-6/MMP-9 expression. Thus, application of CO, especially CORM-2, is a potential countermeasure to reverse the pathological changes of various cardiovascular diseases. Further effects aimed at identifying novel antioxidant and anti-inflammatory substances protective for heart and blood vessels that targeting CO and establishment of well-designed in vivo models properly evaluating the efficacy of these agents are needed.",
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AU - Hsu, Lee Fen

AU - Li, Shu Yu

AU - Chiang, Yao Chang

AU - Lee, Ming Hsueh

AU - Chen, Chun Han

AU - Liang, Hwey Fang

AU - How, Jia Mei

AU - Chang, Pey Jium

AU - Wu, Ching Mei

AU - Lee, I-Ta

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AB - Ang II has been involved in the pathogenesis of cardiovascular diseases, and matrix metalloproteinase-9 (MMP-9) induced migration of human aortic smooth muscle cells (HASMCs) is the most common and basic pathological feature. Carbon monoxide (CO), a byproduct of heme breakdown by heme oxygenase, exerts anti-inflammatory effects in various tissues and organ systems. In the present study, we aimed to investigate the effects and underlying mechanisms of carbon monoxide releasing molecule-2 (CORM-2) on Ang II-induced MMP-9 expression and cell migration of HASMCs. Ang II significantly up-regulated MMP-9 expression and cell migration of HASMCs, which was inhibited by transfection with siRNA of p47 phox , Nox2, Nox4, p65, angiotensin II type 1 receptor (AT1R) and pretreatment with the inhibitors of NADPH oxidase, ROS, and NF-κB. In addition, Ang II also induced NADPH oxidase/ROS generation and p47 phox translocation from the cytosol to the membrane. Moreover, Ang II-induced oxidative stress and MMP-9-dependent cell migration were inhibited by pretreatment with CORM-2. Finally, we observed that Ang II induced IL-6 release in HASMCs via AT1R, but not AT2R, which could further caused MMP-9 secretion and cell migration. Pretreatment with CORM-2 reduced Ang II-induced IL-6 release. In conclusion, CORM-2 inhibits Ang II-induced HASMCs migration through inactivation of suppression of NADPH oxidase/ROS generation, NF-κB inactivation and IL-6/MMP-9 expression. Thus, application of CO, especially CORM-2, is a potential countermeasure to reverse the pathological changes of various cardiovascular diseases. Further effects aimed at identifying novel antioxidant and anti-inflammatory substances protective for heart and blood vessels that targeting CO and establishment of well-designed in vivo models properly evaluating the efficacy of these agents are needed.

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