Salvianolic acid B attenuates MMP-2 and MMP-9 expression in vivo in apolipoprotein-E-deficient mouse aorta and in vitro in LPS-treated human aortic smooth muscle cells

Shing Jong Lin, I-Ta Lee, Yung Hsiang Chen, Feng Yen Lin, Li Min Sheu, Hung Hai Ku, Ming Shi Shiao, Jaw Wen Chen, Yuh Lien Chen

Research output: Contribution to journalArticle

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Abstract

Salvianolic acid B (Sal B), a water-soluble antioxidant derived from a Chinese medicinal herb, is believed to have multiple therapeutic and preventive against human vascular diseases, including atherosclerosis and restenosis. To elucidate the underlying cellular mechanisms, we produced hypercholesterolemia by feeding apo-E-deficient mice a 0.15% cholesterol diet and inflammation in human aortic smooth muscle cells (HASMCs) with the endotoxin lipopolysaccharide (LPS), focusing on the metallopreteinases MMP-2 and MMP-9, the relevant signal transduction pathways and the effects of Sal B. Immunohistochemical analyses indicated apo-E-deficient mice fed a 0.15% cholesterol diet for 12 weeks exhibited thickened intima and elevated levels of MMP-2 and MMP-9 in aortic sections, both of which were attenuated by 0.3% Sal B dietary supplement. Western blotting and zymography analyses indicated that unstimulated HASMCs exhibited basal levels of protein and activity levels for MMP-2 and barely detectable levels for MMP-9, both of which were markedly upregulated by LPS, which also induced cell migration. Sal B significantly attenuated upregulations of both MMPs as well as the LPS-induced cell migration through the inactivation of MMP-2 and MMP-9 protein synthesis as well as the down regulation of the extracellular-signal-regulated kinase 1/2 (ERK1/2) and c-jun NH 2-terminal kinase (JNK). These results demonstrate that Sal B has anti-migration properties on smooth muscle cells and may explain its anti-atherosclerotic properties. This novel mechanism of action of Sal B, in addition to its previously reported inhibition of LDL oxidation, may help explain its efficacy in the treatment of atherosclerosis.

Original languageEnglish
Pages (from-to)372-384
Number of pages13
JournalJournal of Cellular Biochemistry
Volume100
Issue number2
DOIs
Publication statusPublished - Feb 1 2007
Externally publishedYes

Fingerprint

Apolipoproteins E
Matrix Metalloproteinases
Smooth Muscle Myocytes
Lipopolysaccharides
Muscle
Aorta
Cells
Nutrition
Cell Movement
Atherosclerosis
Dietary supplements
Cholesterol
Diet
In Vitro Techniques
salvianolic acid B
Signal transduction
Mitogen-Activated Protein Kinase 3
Mitogen-Activated Protein Kinase 1
Medicinal Plants
Dietary Supplements

Keywords

  • apo-E-deficient mice
  • Matrix metalloproteinase (MMP)
  • Mitogen-activated protein kinases (MAPKs)
  • Salvianolic acid B
  • Smooth muscle cells

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology

Cite this

Salvianolic acid B attenuates MMP-2 and MMP-9 expression in vivo in apolipoprotein-E-deficient mouse aorta and in vitro in LPS-treated human aortic smooth muscle cells. / Lin, Shing Jong; Lee, I-Ta; Chen, Yung Hsiang; Lin, Feng Yen; Sheu, Li Min; Ku, Hung Hai; Shiao, Ming Shi; Chen, Jaw Wen; Chen, Yuh Lien.

In: Journal of Cellular Biochemistry, Vol. 100, No. 2, 01.02.2007, p. 372-384.

Research output: Contribution to journalArticle

Lin, Shing Jong ; Lee, I-Ta ; Chen, Yung Hsiang ; Lin, Feng Yen ; Sheu, Li Min ; Ku, Hung Hai ; Shiao, Ming Shi ; Chen, Jaw Wen ; Chen, Yuh Lien. / Salvianolic acid B attenuates MMP-2 and MMP-9 expression in vivo in apolipoprotein-E-deficient mouse aorta and in vitro in LPS-treated human aortic smooth muscle cells. In: Journal of Cellular Biochemistry. 2007 ; Vol. 100, No. 2. pp. 372-384.
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abstract = "Salvianolic acid B (Sal B), a water-soluble antioxidant derived from a Chinese medicinal herb, is believed to have multiple therapeutic and preventive against human vascular diseases, including atherosclerosis and restenosis. To elucidate the underlying cellular mechanisms, we produced hypercholesterolemia by feeding apo-E-deficient mice a 0.15{\%} cholesterol diet and inflammation in human aortic smooth muscle cells (HASMCs) with the endotoxin lipopolysaccharide (LPS), focusing on the metallopreteinases MMP-2 and MMP-9, the relevant signal transduction pathways and the effects of Sal B. Immunohistochemical analyses indicated apo-E-deficient mice fed a 0.15{\%} cholesterol diet for 12 weeks exhibited thickened intima and elevated levels of MMP-2 and MMP-9 in aortic sections, both of which were attenuated by 0.3{\%} Sal B dietary supplement. Western blotting and zymography analyses indicated that unstimulated HASMCs exhibited basal levels of protein and activity levels for MMP-2 and barely detectable levels for MMP-9, both of which were markedly upregulated by LPS, which also induced cell migration. Sal B significantly attenuated upregulations of both MMPs as well as the LPS-induced cell migration through the inactivation of MMP-2 and MMP-9 protein synthesis as well as the down regulation of the extracellular-signal-regulated kinase 1/2 (ERK1/2) and c-jun NH 2-terminal kinase (JNK). These results demonstrate that Sal B has anti-migration properties on smooth muscle cells and may explain its anti-atherosclerotic properties. This novel mechanism of action of Sal B, in addition to its previously reported inhibition of LDL oxidation, may help explain its efficacy in the treatment of atherosclerosis.",
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T1 - Salvianolic acid B attenuates MMP-2 and MMP-9 expression in vivo in apolipoprotein-E-deficient mouse aorta and in vitro in LPS-treated human aortic smooth muscle cells

AU - Lin, Shing Jong

AU - Lee, I-Ta

AU - Chen, Yung Hsiang

AU - Lin, Feng Yen

AU - Sheu, Li Min

AU - Ku, Hung Hai

AU - Shiao, Ming Shi

AU - Chen, Jaw Wen

AU - Chen, Yuh Lien

PY - 2007/2/1

Y1 - 2007/2/1

N2 - Salvianolic acid B (Sal B), a water-soluble antioxidant derived from a Chinese medicinal herb, is believed to have multiple therapeutic and preventive against human vascular diseases, including atherosclerosis and restenosis. To elucidate the underlying cellular mechanisms, we produced hypercholesterolemia by feeding apo-E-deficient mice a 0.15% cholesterol diet and inflammation in human aortic smooth muscle cells (HASMCs) with the endotoxin lipopolysaccharide (LPS), focusing on the metallopreteinases MMP-2 and MMP-9, the relevant signal transduction pathways and the effects of Sal B. Immunohistochemical analyses indicated apo-E-deficient mice fed a 0.15% cholesterol diet for 12 weeks exhibited thickened intima and elevated levels of MMP-2 and MMP-9 in aortic sections, both of which were attenuated by 0.3% Sal B dietary supplement. Western blotting and zymography analyses indicated that unstimulated HASMCs exhibited basal levels of protein and activity levels for MMP-2 and barely detectable levels for MMP-9, both of which were markedly upregulated by LPS, which also induced cell migration. Sal B significantly attenuated upregulations of both MMPs as well as the LPS-induced cell migration through the inactivation of MMP-2 and MMP-9 protein synthesis as well as the down regulation of the extracellular-signal-regulated kinase 1/2 (ERK1/2) and c-jun NH 2-terminal kinase (JNK). These results demonstrate that Sal B has anti-migration properties on smooth muscle cells and may explain its anti-atherosclerotic properties. This novel mechanism of action of Sal B, in addition to its previously reported inhibition of LDL oxidation, may help explain its efficacy in the treatment of atherosclerosis.

AB - Salvianolic acid B (Sal B), a water-soluble antioxidant derived from a Chinese medicinal herb, is believed to have multiple therapeutic and preventive against human vascular diseases, including atherosclerosis and restenosis. To elucidate the underlying cellular mechanisms, we produced hypercholesterolemia by feeding apo-E-deficient mice a 0.15% cholesterol diet and inflammation in human aortic smooth muscle cells (HASMCs) with the endotoxin lipopolysaccharide (LPS), focusing on the metallopreteinases MMP-2 and MMP-9, the relevant signal transduction pathways and the effects of Sal B. Immunohistochemical analyses indicated apo-E-deficient mice fed a 0.15% cholesterol diet for 12 weeks exhibited thickened intima and elevated levels of MMP-2 and MMP-9 in aortic sections, both of which were attenuated by 0.3% Sal B dietary supplement. Western blotting and zymography analyses indicated that unstimulated HASMCs exhibited basal levels of protein and activity levels for MMP-2 and barely detectable levels for MMP-9, both of which were markedly upregulated by LPS, which also induced cell migration. Sal B significantly attenuated upregulations of both MMPs as well as the LPS-induced cell migration through the inactivation of MMP-2 and MMP-9 protein synthesis as well as the down regulation of the extracellular-signal-regulated kinase 1/2 (ERK1/2) and c-jun NH 2-terminal kinase (JNK). These results demonstrate that Sal B has anti-migration properties on smooth muscle cells and may explain its anti-atherosclerotic properties. This novel mechanism of action of Sal B, in addition to its previously reported inhibition of LDL oxidation, may help explain its efficacy in the treatment of atherosclerosis.

KW - apo-E-deficient mice

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KW - Mitogen-activated protein kinases (MAPKs)

KW - Salvianolic acid B

KW - Smooth muscle cells

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