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基于外泌体miRNA测序探讨肝癌在脾虚状态下转移增强机制 被引量:2
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作者 莫灼锚 李攀 +1 位作者 陈秋霞 张诗军 《中国中西医结合杂志》 CAS CSCD 北大核心 2022年第12期1476-1483,共8页
目的 探索脾虚状态下外泌体促肝癌转移的机制。方法 使用随机数字表法将C57BL/6小鼠随机分为4组:正常对照组、脾虚组、肝癌组、脾虚肝癌组,每组10只,正常对照组腹腔注射生理盐水,脾虚组腹腔注射利血平,肝癌组采用肝癌原位移植术,脾虚肝... 目的 探索脾虚状态下外泌体促肝癌转移的机制。方法 使用随机数字表法将C57BL/6小鼠随机分为4组:正常对照组、脾虚组、肝癌组、脾虚肝癌组,每组10只,正常对照组腹腔注射生理盐水,脾虚组腹腔注射利血平,肝癌组采用肝癌原位移植术,脾虚肝癌组采用腹腔注射利血平加肝癌原位移植术。利血平腹腔注射共持续21天,确定脾虚模型建立后再行肝癌原位移植术,术后14天取材。基于模型血浆提取小鼠外泌体并使用电镜、颗粒分析及纳米流式鉴定。以外泌体为变量使用划痕实验、Transwell迁移与侵袭实验、尾静脉肺转移裸鼠模型验证脾虚状态下外泌体促肝癌转移的表型。随后对肝癌组和脾虚肝癌组外泌体进行miRNA测序鉴定差异miRNAs,并分析miRNAs靶向的mRNAs的通路富集结果。结果与肝癌组比较,脾虚肝癌组小鼠的脾虚积分更高(P<0.0001)及肿瘤体积更大。电镜、颗粒分析及纳米流式结果成功鉴定外泌体。划痕实验、Transwell迁移及侵袭实验结果表明脾虚肝癌组外泌体在体外促进了肝癌细胞的转移能力(P<0.0001)。尾静脉肺转移裸鼠模型的活体成像结果表明脾虚肝癌组外泌体在体内促进了肝癌细胞的转移能力。外泌体miRNA测序结果表明15个miRNAs在脾虚肝癌组差异表达,其中9个上调(miR-183-3p,miR-1247-5p,miR-543-3p,miR-495-3p,miR-466i-5p,miR-540-5p,miR-125b-5p,miR-214-3p,miR-499-5p),6个下调(miR-6516-5p,miR-450a-3p,let-7g-3p,miR-103-5p,miR-5129-3p,miR-301b-3p)。差异表达miRNAs靶向的mRNAs富集的通路与转移相关(Wnt signaling pathway)。结论 脾虚内环境来源的状态下外泌体通过miRNA-mRNA轴促进肝癌转移。 展开更多
关键词 脾虚 肝癌 外泌体 微小RNA
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Is fire needle superior to Western medication for herpes zoster?A systematic review and meta-analysis 被引量:3
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作者 Li Dong mo zhuo-mao +3 位作者 Zhang Ren-wen Chang Min-min Yang Bin-bin Tang Shu-jie 《Journal of Acupuncture and Tuina Science》 CSCD 2019年第5期312-320,共9页
Objective:To compare the effectiveness of fire needle versus Western medicine in the treatment of herpes zoster.Methods:Randomized controlled trials comparing fire needle with Western medicine in the treatment of herp... Objective:To compare the effectiveness of fire needle versus Western medicine in the treatment of herpes zoster.Methods:Randomized controlled trials comparing fire needle with Western medicine in the treatment of herpes zoster were identified using 8 databases.A meta-analysis was performed using RevMan 5.3 software.Results:Eight trials involving 569 patients were included in this meta-analysis,and the results showed that fire needle was superior to Western medicine comparing the effective rate[risk ratio(RR)=1.13,95%confidence interval(Cl):1.06 to 1.20;P=0.0002],the visual analog scale(VAS)score[mean difference(MD)=-7.95;95%Cl:-10.71 to-5.20;P<0.00001],time of pain disappearance(MD=-7.61;95%CI:-9.38 to-5.84;P<0.00001),time of blister-stop(MD=-1.34,95%CI:-1.51 to-1.18;P<0.00001),time of crusted scab(MD=-2.92,95%CI:-3.62 to-2.23;P<0.00001);and time of scab off(MD=-4.64,95%CI:-5.83 to-3.46;P<0.00001).In addition,a significantly lower incidence of postherpetic neuralgia was found in the fire needle group in 30 d(RR=0.23,95%CI:0.11 to 0.51;P=0.0002)and 60 d(RR=0.33,95%CI:0.12 to 0.91;P=0.03)after treatment.Conclusion:Fire needle has a favorable effect in increasing the effective rate,relieving pain,recovering skin lesions and decreasing incidence of postherpetic neuralgia in the treatment of herpes zoster.However,considering the limitations in this study,the findings should be interpreted cautiously. 展开更多
关键词 Acupuncture Therapy Fire Needle Western Medication Herpes Zoster NEURALGIA Postherpetic Randomized Controlled Trial META-ANALYSIS Systematic Review
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