XIE Wen-peng,YANG Ling-sen,MA Liang,et al.Protective Effect of Cangxi Tongbi Capsule on Articular Cartilage of KOA Rats Based onp38 MAPK Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(18):70-76.
XIE Wen-peng,YANG Ling-sen,MA Liang,et al.Protective Effect of Cangxi Tongbi Capsule on Articular Cartilage of KOA Rats Based onp38 MAPK Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(18):70-76. DOI: 10.13422/j.cnki.syfjx.20201837.
Protective Effect of Cangxi Tongbi Capsule on Articular Cartilage of KOA Rats Based onp38 MAPK Signaling Pathway
To observe the therapeutic effect and mechanism of Cangxi Tongbi capsule on knee osteoarthritis (KOA) model rats.
Method
2
Sixty 4-week-old SPF healthy male SD rats were randomly divided into blank group
model group
dimethyl sulfoxide (DMSO) group
Cangxi Tongbi capsule group
SB203580 group and Cangxi Tongbi capsule combined with SB203580 group. In addition to the normal group
the modified Hulth method was used to establish the koa model. After the model was established successfully
the Cangxi Tongbi capsule group was given 0.25 g·kg
-1
Cangxi Tongbi capsule solution by gavage every day
the SB203580 group was given 0.015 g·kg
-1
SB203580 solution by gavage
the Cangxi Tongbi capsule combined with SB203580 group was given a mixed solution containing 0.015 g·kg
-1
SB203580 and 0.25 g·kg
-1
Cangxi Tongbi capsule by gavage
the DMSO group was given 1% DMSO solution by gavage
the model group and blank group were given normal saline by gavage The stomach was killed and the material was taken after 4 weeks of drug intervention. The expression levels of interleukin-1
β
(IL-1
β
) and tumor necrosis factor-
α
(TNF-
α
)in the supernatant of peripheral blood were detected by ELISA. p38
p-p38
matrix metalloproteinase-13(MMP-13)
Collagen Ⅱ mRNA and protein in p38 MAPK signal pathway were detected by Real-time fluorescence quantification PCR (Real-time PCR) and Western blot
and the localization expression of p-p38 was detected by immunohistochemistry.
Result
2
Compared with normal group,the expression levels of p38,p-p38,MMP-13 in articular cartilage of the model group were up-regulated (
P
<
0.01)
the expression levels of CollagenⅡ was down-regulated (
P
<
0.01). The contents of IL-1
β
and TNF-
α
in serum were significantly increased (
P
<
0.01). Compared with model group
the expression levels of p38,p-p38,MMP-13 in articular cartilage of the Cangxi Tongbi capsule group
SB203580 group and Cangxi Tongbi capsule combined with SB203580 group were down-regulated (
P
<
0.01)
the expression levels of CollagenⅡ was up-regulated (
P
<
0.01). The contents of IL-1
β
and TNF-
α
in serum were significantly decreased (
P
<
0.01).
Conclusion
2
Cangxi Tongbi capsule can effectively protect the cartilage of KOA rats
and its mechanism may be related to the targeted blocking of p38 MAPK signal pathway.
关键词
Keywords
references
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