期刊
INFLAMMATION RESEARCH
卷 66, 期 5, 页码 433-440出版社
SPRINGER BASEL AG
DOI: 10.1007/s00011-017-1027-5
关键词
Indirubin; Fibroblast-like synoviocytes; Migration; Inflammation; MAPK; PAK1
资金
- Guangdong Project of Science and Technology [2012B031800375]
Objectives To evaluate the inhibition of indirubin in FLSs migration, invasion, activation, and proliferation in RA FLSs. Methods The levels of IL-6 and IL-8 in cultural supernatants were measured by ELISA. RA FLS migration and invasion in vitro were measured by the Boyden chamber method and the scratch assay. Signal transduction protein expression was measured by western blot. FLS proliferation was detected by Edu incorporation. F-actin was measured by immunofluorescence staining. Results We found that indirubin reduced migration, invasion, inflammation, and proliferation in RA FLSs. In addition, we demonstrated that indirubin inhibited lamellipodium formation during cell migration. To gain insight into molecular mechanisms, we evaluated the effect of indirubin on PAK1 and MAPK activation. Our results indicated that indirubin inhibited the activity of PAK1 and MAPK. Conclusions Our observations suggest that indirubin may be protective against joint destruction in RA by regulating synoviocyte migration, invasion, activation, and proliferation.
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