Identification of differentially expressed circular RNAs in human monocyte derived macrophages response to Mycobacterium tuberculosis infection.

Identification of differentially expressed circular RNAs in human monocyte derived macrophages response to Mycobacterium tuberculosis infection.
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人单核细胞来源的巨噬细胞对结核分枝杆菌感染反应中差异表达的环状RNA的鉴定

DOI:
10.1038/s41598-017-13885-0
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发表时间:
2017-10-20
期刊:
影响因子:
4.6
通讯作者:
Li J
Li J
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Huang Z;Su R;Deng Z;Xu J;Peng Y;Luo Q;Li J

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巨噬细胞是结核分枝杆菌(Mycobacterium tuberculosis,Mtb)免疫防御的第一道防线。近年来的研究表明环状RNA(circular RNA,circRNA)参与多种生理和病理过程,但circRNA在巨噬细胞对结核分枝杆菌感染应答中的作用尚不清楚。为了解决这个问题,在这里,我们使用微阵列测定来表征人单核细胞衍生的巨噬细胞(MDM)对Mtb感染的响应中的circRNA表达谱。我们的研究结果显示,许多circRNA在结核分枝杆菌感染后的人MDM中差异表达;其中,32个circRNA上调,110个下调。真实的时间PCR结果与微阵列数据基本一致。此外,我们发现hsa_circ_0043497和hsa_circ_0001204可能是结核病的有效诊断生物标志物。这项研究提供了第一个证据,证明circRNA的改变参与了人类MDM对结核病感染的反应,并揭示了结核病诊断和治疗的潜在靶点。
Macrophages act as the first line of host immune defense against Mycobacterium tuberculosis (Mtb). Recent studies have demonstrated circular RNAs (circRNAs) are implicated in a variety of physiological and pathological processes; however, the role of circRNAs in macrophages response to Mtb infection remain unknown. To address this issue, here we characterized circRNAs expression profiles in human monocyte derived macrophages (MDMs) response to Mtb infection using microarray assay. Our results revealed that many circRNAs were differentially expressed in human MDMs after Mtb infection; of these, 32 circRNAs were up-regulated and 110 were down-regulated. Real time PCR results were generally consistent with the microarray data. Furthermore, we found that hsa_circ_0043497 and hsa_circ_0001204 may be effective diagnostic biomarkers for TB. This study provides the first evidence that circRNAs alterations are involved in human MDMs response to TB infection and reveal potential targets for diagnostics and the treatment of TB.
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