Expression of macrophage inflammatory protein 1 alpha in the endothelial cells exposed to diamide.

Limin Yang, Xuewei Zhu, Xia Zhao, Zhongduan Deng

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

In order to study whether the endothelial cells (ECs) with lipid peroxidation induced by diamide can express and secrete macrophage inflammatory protein 1 alpha (MIP-1 alpha), the expression of MIP-1 alpha protein in the cells was detected by cell enzyme-linked immunosorbent assay (ELISA) and that of MIP-1 alpha mRNA was determined by cell in situ hybridization and nuclease S1 protection assay after the ECs were exposed to different concentrations of diamide for 4 h. The chemotactic activity of MIP-1 alpha was tested by micropore filter method using modified Boyden chambers. Cell ELISA showed that the expression of MIP-1 alpha protein in endothelial cells exposed to 1 mumol/L, 5 mumol/L and 10 mumol/L diamide was 1.9-fold, 2.3-fold and 1.7-fold respectively as much as that in the control cells, which was statistically significant by analysis of variance. In situ hybridization revealed that the mRNA expression of ECs treated with 1 mumol/L, 5 mumol/L and 10 mumol/L diamide was 1.3-fold, 3.0-fold and 1.7-fold as much as that in the control group, which had statistical significance (F = 188.93, P < 0.01). The mRNA expression in 5 mumol/L dimide treated ECs, measured by nuclease S1 protection assay, was 3.4-fold as much as that in the control group (t = 8.70, P < 0.05). Chemotactic response(99.50 +/- 4.31 microns) to the culture medium conditioned by 5 mumol/L diamide treated ECs, which was stronger than that(66.47 +/- 3.25 microns) conditioned by the ECs (F = 404.31, P < 0.05), was significantly decreased (F = 192.25, P < 0.05) after adding MIP-1 alpha antibody. It suggests that diamide, a lipid peroxidation inducer, could stimulate ECs to produce high level of MIP-1 alpha, and might play an important role in atherogenesis by promoting the migration of peripheral blood monocytes into arterial intima.

Original languageEnglish (US)
Title of host publicationJournal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban
Pages219-222, 233
Volume23
Edition3
StatePublished - 2003

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Diamide
Chemokine CCL3
Macrophages
Endothelial cells
Endothelial Cells
Proteins
Nuclease Protection Assays
Assays
Messenger RNA
Lipid Peroxidation
In Situ Hybridization
Lipids
Enzyme-Linked Immunosorbent Assay
Micropore Filters
Tunica Intima
Enzymes
Control Groups
Macrophage
Protein
Conditioned Culture Medium

ASJC Scopus subject areas

  • Management of Technology and Innovation
  • Medicine(all)

Cite this

Yang, L., Zhu, X., Zhao, X., & Deng, Z. (2003). Expression of macrophage inflammatory protein 1 alpha in the endothelial cells exposed to diamide. In Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban (3 ed., Vol. 23, pp. 219-222, 233)

Expression of macrophage inflammatory protein 1 alpha in the endothelial cells exposed to diamide. / Yang, Limin; Zhu, Xuewei; Zhao, Xia; Deng, Zhongduan.

Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban. Vol. 23 3. ed. 2003. p. 219-222, 233.

Research output: Chapter in Book/Report/Conference proceedingChapter

Yang, L, Zhu, X, Zhao, X & Deng, Z 2003, Expression of macrophage inflammatory protein 1 alpha in the endothelial cells exposed to diamide. in Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban. 3 edn, vol. 23, pp. 219-222, 233.
Yang L, Zhu X, Zhao X, Deng Z. Expression of macrophage inflammatory protein 1 alpha in the endothelial cells exposed to diamide. In Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban. 3 ed. Vol. 23. 2003. p. 219-222, 233
Yang, Limin ; Zhu, Xuewei ; Zhao, Xia ; Deng, Zhongduan. / Expression of macrophage inflammatory protein 1 alpha in the endothelial cells exposed to diamide. Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban. Vol. 23 3. ed. 2003. pp. 219-222, 233
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