The effect of Janus kinase 2 inhibitor AG490 on renal tubular epithelial-myofibroblast transdifferentiation induced by interleukin-1β

OBJECTIVE: To investigate the effect of AG490, a Janus kinase 2 inhibitor, on epithelial-myofibroblast transdifferentiation induced by interleukin-1β (IL-1β)

Bibliographische Detailangaben
Veröffentlicht in:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue. - 1998. - 22(2010), 12 vom: 30. Dez., Seite 747-9
1. Verfasser: Liu, Qing-juan (VerfasserIn)
Weitere Verfasser: Shi, Yong-hong, Liu, Shu-xia, Hao, Jun, Cao, Yan-ping, Li, Hang, Wei, Jin-ying, Duan, Hui-jun
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue
Schlagworte:English Abstract Journal Article Research Support, Non-U.S. Gov't ACTA2 protein, human Actins Enzyme Inhibitors Interleukin-1beta Keratin-18 Tyrphostins alpha-cyano-(3,4-dihydroxy)-N-benzylcinnamide mehr... Janus Kinase 2 EC 2.7.10.2
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100 1 |a Liu, Qing-juan  |e verfasserin  |4 aut 
245 1 4 |a The effect of Janus kinase 2 inhibitor AG490 on renal tubular epithelial-myofibroblast transdifferentiation induced by interleukin-1β 
264 1 |c 2010 
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500 |a Date Completed 23.01.2012 
500 |a Date Revised 15.11.2012 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To investigate the effect of AG490, a Janus kinase 2 inhibitor, on epithelial-myofibroblast transdifferentiation induced by interleukin-1β (IL-1β) 
520 |a METHODS: Cultured human renal tubular epithelial cell line (HKCs) were divided into three groups: blank control group, IL-1β (5 ng/ml) group and AG490 group (IL-1β 5 ng/ml+AG490 10 μmol/L). The cells in all groups were collected at 24, 48, 72 hours after intervention. Immunocytochemistry and Western blotting analysis were used to determine the expressions of cytokeratin-18 (CK-18) and α-smooth muscle actin (α-SMA) 
520 |a RESULTS: The higher expression of CK-18 (1.25±0.08) and mild expression of α-SMA (0.17±0.01) were found in blank control group. In IL-1β group, the protein level of CK-18 was gradually decreased with prolongation of stimulus (24 hours : 0.69±0.04, 48 hours: 0.52±0.03, 72 hours: 0.30±0.01), while the expression level of α-SMA was gradually increased (24 hours: 0.56±0.04, 48 hours: 1.05±0.07, 72 hours: 1.43±0.07), and the difference between blank control group and IL-1β group was statistically significant (all P<0.05). The administration of AG490 could restore the expression of CK-18 (24 hours: 1.07±0.07, 48 hours: 0.93±0.06, 72 hours: 0.83±0.06), and inhibit the expression of α-SMA induced by IL-1β (24 hours: 0.33± 0.01, 48 hours: 0.52±0.01, 72 hours: 0.61±0.04). There was significant difference between AG490 group and IL-1β group (all P<0.05). The results of immunocytochemistry and that of Western blotting were identical 
520 |a CONCLUSION: IL-1β can induce the transdifferentiation of renal tubular epithelial cells, up-regulate the expression of α-SMA, induce the renal tubular epithelial cells to transform to myofibroblast, while AG490 can inhibit the effect of IL-1β 
650 4 |a English Abstract 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a ACTA2 protein, human  |2 NLM 
650 7 |a Actins  |2 NLM 
650 7 |a Enzyme Inhibitors  |2 NLM 
650 7 |a Interleukin-1beta  |2 NLM 
650 7 |a Keratin-18  |2 NLM 
650 7 |a Tyrphostins  |2 NLM 
650 7 |a alpha-cyano-(3,4-dihydroxy)-N-benzylcinnamide  |2 NLM 
650 7 |a Janus Kinase 2  |2 NLM 
650 7 |a EC 2.7.10.2  |2 NLM 
700 1 |a Shi, Yong-hong  |e verfasserin  |4 aut 
700 1 |a Liu, Shu-xia  |e verfasserin  |4 aut 
700 1 |a Hao, Jun  |e verfasserin  |4 aut 
700 1 |a Cao, Yan-ping  |e verfasserin  |4 aut 
700 1 |a Li, Hang  |e verfasserin  |4 aut 
700 1 |a Wei, Jin-ying  |e verfasserin  |4 aut 
700 1 |a Duan, Hui-jun  |e verfasserin  |4 aut 
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