Ann Rheum Dis:小唾液腺miR200b-5p水平低可预测干燥综合征患者淋巴瘤的发生

2018-05-23 xiangting MedSci原创

由于miR200b-5p表达在淋巴瘤临床发病前数年就已经受损,MSGs中的miR200b-5p水平代表了进展为SS相关性NHL的一种新的预测性和可能致病机制相关性因子。

出现非霍奇金淋巴瘤(NHL)是干燥综合征(SS)的严重不良结局,影响发病率和死亡率。初步证据表明,尽管与干燥综合征对照组相比没有失控,但伴NHL的SS患者小唾液腺(MSGs)中miR200b-5p水平降低。这项研究的目的是评估SS相关性NHLs患者MSG中miR200b-5p的表达,及其对识别NHL易感的SS患者的潜在预测价值。

研究人员对以下SS患者MSG组织中的miR200b-5p表达进行了研究:(A)低风险且随访期间没进展为NHL(n=27;活检后中位随访时间,范围:8.9年,1.33-14年);(B)高风险且在随访期间诊断为NHL(淋巴瘤前期;n = 17;中位随访至诊断为淋巴瘤,范围:3.67年,0.42-8.5年);(C)患NHL(n=35),以及非SS涎腺炎对照(结节病和丙肝病毒(HCV)感染,各4例)。通过适当的统计方法评估差异性miR200b-5p表达,及其与疾病特征的相关性和其辨别/预测价值。

将发生或已患NHL的SS患者MSG水平miR200b-5p显著下调,与无淋巴瘤或非SS涎腺炎患者相比有很大区别(p<0.0001)。此外,miR200b-5p在淋巴瘤临床发病前很久就已经下降,在向淋巴瘤转化时没有显著变化。重要的是,miR200b-5p被证明是进展为NHL患者的强独立预测因子(p<0.0001)。

由于miR200b-5p表达在淋巴瘤临床发病前数年就已经受损,MSGs中的miR200b-5p水平代表了进展为SS相关性NHL的一种新的预测性和可能致病机制相关性因子。 

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    2018-12-14 docwu2019
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    2019-02-22 cmj8wellington
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    2018-05-23 明月清辉

    谢谢分享.学习了

    0

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