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2018 ; 23
(ä): 19
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Osthole improves collagen-induced arthritis in a rat model through inhibiting
inflammation and cellular stress
#MMPMID29743895
Xu R
; Liu Z
; Hou J
; Huang T
; Yang M
Cell Mol Biol Lett
2018[]; 23
(ä): 19
PMID29743895
show ga
BACKGROUND: Osthole is a natural product that has multiple bioactive functions
and has been reported to exert potent immunosuppressive effects. However, the
therapeutic effect of osthole on arthritis has not been explored. In the present
study, a collagen-induced arthritis rat model, IL-1?-stimulated SW982 cells, and
RA-like fibroblast-like synoviocytes (FLS) were employed to investigate the
effect and possible mechanism of osthole on arthritis in vivo and in vitro.
RESULTS: 20 and 40 mg/kg osthole significantly alleviated collagen-induced
arthritic symptoms based on histopathology and clinical arthritis scores, and
improved erosion using HE staining. 20 and 40 mg/kg osthole decreased the level
of IL-1?, TNF-? and IL-6 in rats and ameliorated oxidative stress in serum
evaluated using ELISA kits. In addition, treatment with 50 and 100 ?M osthole for
48 h inhibited 10 ng/ml IL-1?-stimulated proliferation and migration of SW982,
and significantly inhibited the expression of matrix metalloproteinases, such as
MMP-1, MMP-3 and MMP-13, as detected by western blot. 50 and 100 ?M osthole also
blocked the generation of IL-6 and TNF-? in IL-1?-stimulated SW982 cells. The
NF-?B and MAPK pathways were also inhibited by osthole in IL-1?-treated SW982
cells. CONCLUSION: These results collectively demonstrated that osthole improves
collagen-induced arthritis in a rat model and IL-1?-treated SW982 cells through
inhibiting inflammation and cellular stress in vivo and in vitro, and osthole
might be a promising therapeutic agent for RA.
|Animals
[MESH]
|Anti-Inflammatory Agents, Non-Steroidal/*administration & dosage/therapeutic use
[MESH]