Monoclonal anti-double-stranded DNA antibodies cross-react with phosphoglycerate kinase 1 and inhibit the expression and production of IL-2 in activated Jurkat T cell line

Anti-double strand DNA antibodies (anti-dsDNA) involve in lupus nephritis. However, their role in tissue damage mechanism remains unclear. In this study, a 45-kDa cognate antigen of anti-dsDNA monoclonal antibodies 9D7 was identified by two-dimensional gel electrophoresis and determined to be human...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 120(2006), 3 vom: 28. Sept., Seite 326-34
1. Verfasser: Luan, Hui-Ying (VerfasserIn)
Weitere Verfasser: Tang, Shye-Jye, Yang, Winnie, Tsai, Chang-Youh, Sun, Guang-Huan, Sun, Kuang-Hui
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Antibodies, Antinuclear Antibodies, Monoclonal Cytokines Interleukin-2 RNA, Messenger DNA 9007-49-2 Phosphoglycerate Kinase mehr... EC 2.7.2.3 Alkaline Phosphatase EC 3.1.3.1
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100 1 |a Luan, Hui-Ying  |e verfasserin  |4 aut 
245 1 0 |a Monoclonal anti-double-stranded DNA antibodies cross-react with phosphoglycerate kinase 1 and inhibit the expression and production of IL-2 in activated Jurkat T cell line 
264 1 |c 2006 
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520 |a Anti-double strand DNA antibodies (anti-dsDNA) involve in lupus nephritis. However, their role in tissue damage mechanism remains unclear. In this study, a 45-kDa cognate antigen of anti-dsDNA monoclonal antibodies 9D7 was identified by two-dimensional gel electrophoresis and determined to be human phosphoglycerate kinase 1 (PGK-1) by MALDI-TOF analysis. The binding of 9D7 to PGK-1 was not affected by DNase I but was inhibited by thymus dsDNA. Human SLE sera with high anti-dsDNA titers had a high affinity with PGK. In activated Jurkat T cells, 9D7 decreased the PGK-1 mRNA production and IL-2 promoter activity. Reduction in IL-2 gene expression and protein production were observed in the 9D7-treated cells. Because PGK-1 deficiency may cause mental tardy and hemolytic anemia, interaction between anti-dsDNA and PGK-1 may be important in lupus pathogenesis. Moreover, reduction in IL-2 production by anti-dsDNA suggests their role in increasing infection rate and decreasing proper generation of activation-induced cell death 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Antibodies, Monoclonal  |2 NLM 
650 7 |a Cytokines  |2 NLM 
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650 7 |a RNA, Messenger  |2 NLM 
650 7 |a DNA  |2 NLM 
650 7 |a 9007-49-2  |2 NLM 
650 7 |a Phosphoglycerate Kinase  |2 NLM 
650 7 |a EC 2.7.2.3  |2 NLM 
650 7 |a Alkaline Phosphatase  |2 NLM 
650 7 |a EC 3.1.3.1  |2 NLM 
700 1 |a Tang, Shye-Jye  |e verfasserin  |4 aut 
700 1 |a Yang, Winnie  |e verfasserin  |4 aut 
700 1 |a Tsai, Chang-Youh  |e verfasserin  |4 aut 
700 1 |a Sun, Guang-Huan  |e verfasserin  |4 aut 
700 1 |a Sun, Kuang-Hui  |e verfasserin  |4 aut 
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