J Clin Invest:研究确定了诱发自身免疫疾病的“根源”

2017-05-12 Heather_z727 来宝网

来自国家犹太卫生研究所的研究人员确定了一种诱发自身免疫疾病的根源,红斑狼疮,克罗恩氏病和多发性硬化症等自身免疫疾病有望得到解决。

来自国家犹太卫生研究所的研究人员确定了一种诱发自身免疫疾病的根源,红斑狼疮,克罗恩氏病和多发性硬化症等自身免疫疾病有望得到解决。

发表于《临床调查》杂志上的文章解释了,为什么女性受到自身免疫疾病困扰的问题多于男性,并提出预防人类免疫疾病的治疗靶点。研究人员表示:“我们的研究确定了与年龄有关的B细胞就是诱发免疫疾病的驱动器,我们证明了B细胞中的转录因子T-bet不断促使与年龄相关的B细胞发展,当我们把B细胞中的T-bet删除之后,原本即将发展免疫疾病的小鼠会呈现健康状态。我们相信人类体内的过程也是如此,尤其在老年女性体内最常发生。”

当免疫系统受到袭击,或者自身器官和组织发生损伤时,就会发展自身免疫疾病,在美国,数百万的人们承受着自身免疫疾病的痛苦,包括红斑狼疮、类风湿性关节炎和多发性硬化症等,而且女性的并发率是男性的2到10倍,也就是说,患自身免疫疾病的80%都是女性,然而,这种疾病却没有治愈的方法。

B细胞在自身免疫疾病中起到了至关重要的作用。研究人员总结称:“在我们的研究中,首次证明了与年龄相关的B细胞不仅与免疫疾病相关,而事实上,它就是免疫疾病的驱动者。除此之外,我们还会扩展我们的研究,进一步了解B细胞对于其他疾病,如肺炎等慢性疾病。”

原始出处:

Kira Rubtsova, et al. B cells expressing the transcription factor T-bet drive lupus-like autoimmunity. J Clin Invest. 2017;127(4):1392–1404. doi:10.1172/JCI91250. 

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    2017-05-15 hippoandxym1727

    口气好大

    0

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    2017-05-14 138****1711

    学习了谢谢分享

    0

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