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1.南方医科大学 中医药学院,广州 510515
2.南方医科大学 检验与生物技术学院,广州 510515
3.南方医科大学 珠江医院,广州 510260
4.南方医科大学 第五附属医院,广州 510920
陆麒瑾,在读硕士,从事中医药对于类风湿关节炎的防治研究,E-mail:260834998@qq.com
袁立霞,博士,教授,从事方证机理研究,E-mail:cnylxtcm@163.com
收稿日期:2021-08-10,
网络出版日期:2021-11-23,
纸质出版日期:2022-01-20
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陆麒瑾,李佳钰,蔡义思等.当归拈痛汤对类风湿关节炎成纤维样滑膜细胞自噬与凋亡的影响[J].中国实验方剂学杂志,2022,28(02):19-26.
LU Qi-jin,LI Jia-yu,CAI Yi-si,et al.Effect of Danggui Niantongtang on Autophagy and Apoptosis of Rheumatoid Arthritis Fibroblast-like Synoviocyte[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(02):19-26.
陆麒瑾,李佳钰,蔡义思等.当归拈痛汤对类风湿关节炎成纤维样滑膜细胞自噬与凋亡的影响[J].中国实验方剂学杂志,2022,28(02):19-26. DOI: 10.13422/j.cnki.syfjx.20220236.
LU Qi-jin,LI Jia-yu,CAI Yi-si,et al.Effect of Danggui Niantongtang on Autophagy and Apoptosis of Rheumatoid Arthritis Fibroblast-like Synoviocyte[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(02):19-26. DOI: 10.13422/j.cnki.syfjx.20220236.
目的
2
研究当归拈痛汤对类风湿关节炎(RA)成纤维样滑膜细胞自噬与凋亡的影响,进一步探讨当归拈痛汤防治RA的相关机制。
方法
2
收集临床RA患者的滑膜组织,分离出成纤维样滑膜细胞(FLS)并进行培养,将RA-FLS细胞分为4组,分别为空白血清组、当归拈痛汤含药血清低、中、高剂量组。通过划痕实验,transwell侵袭实验检测当归拈痛汤对RA-FLS细胞迁移、侵袭能力的影响;Hoechst 33342法检测RA-FLS细胞凋亡水平;单丹磺酰尸胺(MDC)染色检测细胞自噬水平;实时荧光定量聚合酶链式反应(Real-time PCR)和蛋白免疫印迹法(Western blot)检测B细胞淋巴瘤-2(Bcl-2),Bcl-2相关X蛋白(Bax),微管相关蛋白1轻链3(LC3),自噬关键分子酵母Atg6同系物1(Beclin1)的mRNA和蛋白表达水平。
结果
2
与正常血清组比较,当归拈痛汤含药血清低、中、高剂量组均能减缓划痕愈合(
P<
0.01),并且能显著减少侵袭到下室的RA-FLS细胞的数目(
P<
0.01);Hoechst33342结果显示当归拈痛汤含药血清低、中、高可以不同程度促进RA-FLS细胞凋亡(
P<
0.01);MDC染色后,低、中、高当归拈痛汤含药血清组中自噬小体明显减少;与空白含药血清组比较,当归拈痛汤含药血清低、中、高剂量干预后,Bcl-2,LC3,Beclin1的mRNA和蛋白的表达水平显著下降(
P<
0.01),Bax的mRNA和蛋白的表达水平显著升高(
P<
0.01)。
结论
2
当归拈痛汤对RA成纤维样滑膜细胞增殖有明显抑制作用,其作用机制可能与抑制自噬、促进凋亡有关。
Objective
2
To explore the effect of Danggui Niantongtang (DGNTT) on cell apoptosis and autophagy in rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLS).
Method
2
RA-FLS were isolated and cultured from the synovial tissue of RA patients. The cells were treated with 10% blank serum (blank control group), 10% sera containing low, medium and high doses of DGNTT. Wound healing assa and cell invasion test were applied to observe the effect of RA-FLS invasion technique. The apoptosis and autophagy level of RA-FLS cells was detected by Hoechst33342 method and monodansylcadaverine (MDC) staining. The mRNA and protein expression levels of B cell lymphoma-2 (Bcl-2), Bcl-2 associated X protein (Bax), microtubule-associated protein 1 light chain 3 (LC3), autophagy key molecular yeast Atg6 homolog 1 (Beclin1) were detected by Real-time fluorescence quantitative polymerase chain reaction(Real-time PCR)and Western blot.
Result
2
Compared with the blank control group,each dose of serum could slow down the wound healing and significantly Reduce the number of RA-FLS cells invading the lower chamber(
P<
0.01),the mRNA and protein expression levels of Bcl-2,LC3,Beclin1 were significantly decreased(
P<
0.01), and Bax were significantly increased(
P<
0.01). Hoechst33342 results showed that low, medium and high doses DGNTT could promote RA-FLS cell apoptosis. After MDC staining,autophagosome in low, medium and high doses DGNTT decreased significantly(
P<
0.01).
Conclusion
2
Danggui Niantongtang can effectively inhibit the proliferation of fibroblast-like synoviocytes. Its mechanism may be related to promote apoptosis and inhibit autophagy of fibroblast-like synoviocytes.
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