Exp Eye Res:白细胞介素-6对后囊膜混浊发生发展的作用

2018-04-09 cuiguizhong MedSci原创

西安交通大学附属第一医院眼科的Ma B近日在Exp Eye Res发表了一篇文章,他们通过体内体外的试验确定白细胞介素-6(IL-6)对后囊膜混浊(PCO)发生发展的影响。

西安交通大学附属第一医院眼科的Ma B近日在Exp Eye Res发表了一篇文章,他们通过体内体外的试验确定白细胞介素-6(IL-6)对后囊膜混浊(PCO)发生发展的影响。

他们采用Western blot和实时定量PCR的方法,检测IL-6诱导的上皮间质转化(EMT)标志物α-平滑肌肌动蛋白(α-SMA)、细胞外基质(ECM)标志物纤连蛋白(Fn)和I型胶原蛋白(COL-1)、转化生长因子β2(TGF-β2)以及JAK / STAT3信号通路在人晶状体上皮细胞(HLECs)中的激活等情况。使用免疫细胞荧光染色的方法检测HLECs中gp130和IL-6Rα的表达情况。他们进一步建立大鼠PCO模型,通过shRNA腺相关病毒敲低STAT3,检测STAT3对PCO发育的影响,并进行免疫组织化学染色检测体内前后囊中Fn的表达。

他们发现IL-6可以促进HLECs中Fn、COL-1、TGF-β2、p-JAK2和p-STAT3的表达,但对α-SMA的影响很小。 JAK / STAT3抑制剂WP1066有效地抑制了IL-6诱导的晶状体上皮细胞中Fn和COL-1的表达。 STAT3敲低可以有效地抑制大鼠PCO的发展,并显着降低前后囊中Fn的表达。

因此,他们认为,这些数据表明,IL-6通过JAK / STAT3信号依赖机制促进TGF-β2活化和ECM合成,从而促进PCO的发展。此外,抑制JAK / STAT3信号有效地阻碍了大鼠PCO的发育和晶状体囊中ECM的合成。

原文出处:

Ma, B., et al., Effects of Interleukin-6 on posterior capsular opacification. Exp Eye Res, 2018.

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    2018-04-11 Jackie Li

    学习

    0

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    2018-04-10 lyh994

    免疫的强大特点

    0

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