HE Lian-hua,LUAN Hui-jie,SHAN Hong-ying,et al.Effect of Fangji Huangqitang on DBA/1 Mice Collagen Induced Arthritis and Synovial Angiogenesis[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(17):16-23.
HE Lian-hua,LUAN Hui-jie,SHAN Hong-ying,et al.Effect of Fangji Huangqitang on DBA/1 Mice Collagen Induced Arthritis and Synovial Angiogenesis[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(17):16-23. DOI: 10.13422/j.cnki.syfjx.20211736.
Effect of Fangji Huangqitang on DBA/1 Mice Collagen Induced Arthritis and Synovial Angiogenesis
To observe the effect of Fangji Huangqitang (FJHQT) on collagen induced arthritis (CIA) and synovial angiogenesis in DBA/1 mice.
Method
2
DBA/1 mice were randomly divided into normal group, CIA group and FJHQT group. DBA/1 mice in CIA group and FJHQT group were immunized with bovine type Ⅱ collagen and complete Freund's adjuvant on the first day, and DBA/1 mice were immunized with bovine type Ⅱ collagen and incomplete Freund's adjuvant on the 21
st
day to establish CIA model. On the day of the second immunization, the drug was given by gavage once a day for 28 days. On the 22
nd
day, the arthritis score and other symptoms of CIA mice were observed. On the 49
th
day, Hematoxylin eosin (HE) staining was carried out to observe the angiogenesis in the synovium of CIA mice, the expression of vascular endothelial cell marker platelet endothelial cell adhesion molecule-1 (CD31) and vascular endothelial growth factor (VEGF) in the synovium of CIA mice were detected. Immunofluorescence double staining was used to detect the mature and immature vessels in the synovium of CIA mice. And the microvascular growth of the rat thoracic aortic ring was induced by VEGF (20 μg·L
-1
). The effects of FJHQT (0.25, 0.5, 1 g·L
-1
) at different concentrations were observed under microscope.
Result
2
Compared with the normal group, the inflammation, joints, red and swelling of the inflammatory joints of the CIA group were significantly increased (
P
<
0.01). The scores of clinical arthritis, the incidence rate, synovial inflammation and angiogenesis were significantly increased (
P
<
0.01). The density of blood vessels, the positive expression of CD31 and VEGF, the number of immature vessels in synovial membrane were significantly increased (
P
<
0.01). And compared with the CIA group, the inflammation, joint swelling, and malformation of the FJHQT group were significantly improved, the clinical arthritis score, incidence rate, synovial inflammation and angiogenesis were significantly reduced (
P
<
0.01). The vascular density, the positive expression of CD31 and VEGF, and the number of immature blood vessels in synovial membrane were significantly increased (
P
<
0.01). Compared with blank group, VEGF could significantly induce the growth of microvasculature in rat thoracic aortic ring (
P
<
0.01). Compared with VEGF group, FJHQT(0.25, 0.5, 1 g·L
-1
) could significantly inhibit the formation of microvasculature in rat thoracic aortic ring (
P
<
0.01).
Conclusion
2
FJHQT can effectively alleviate the clinical symptoms and condition of CIA mice, reduce the clinical arthritis score and incidence rate,and inhibit the synovial angiogenesis of CIA mice joints and VEGF induced microvascular formation in rat thoracic aortic rings.
关键词
Keywords
references
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