Sci Rep:miRNA表达异常可用于识别丙酮酸血症的发生

2017-08-09 MedSci MedSci原创

丙酸酸血症(PA)是潜在致命的神经系统代谢疾病,患者长期患病发展为神经功能缺损和心肌病,以及其他并发症。本研究旨在使用PA小鼠模型和患者血浆样品中进行miRNome表达谱分析,以研究miRNA在疾病的病理生理学中的作用并鉴定新的生物标志物和治疗靶标。在PA小鼠肝脏中,我们确定了14个显著失调的miRNA。在脑和心脏组织中发现三种选择的miRNAs,miR-34a-5p,miR-338-3p和miR

丙酸酸血症(PA)是潜在致命的神经系统代谢疾病,患者长期患病发展为神经功能缺损和心肌病,以及其他并发症。本研究旨在使用PA小鼠模型和患者血浆样品中进行miRNome表达谱分析,以研究miRNA在疾病的病理生理学中的作用并鉴定新的生物标志物和治疗靶标。

在PA小鼠肝脏中,我们确定了14个显著失调的miRNA。在脑和心脏组织中发现三种选择的miRNAs,miR-34a-5p,miR-338-3p和miR-350表达升高。涉及凋亡,应激信号和线粒体功能的预测目标被逆向下调。miRNA模拟物在细胞模型中的功能分析证实了这些发现。来自新生儿PA患者和年龄匹配的对照个体血浆样品中的miRNA谱分析鉴定出一组差异表达的miRNA,其中几个与PA小鼠中鉴定的miRNA一致,其中有miR-34a-5p和miR-338-3p。这两种miRNA在儿童和成人PA患者的群组中也被发现失调。

总而言之,结果揭示了PA中miRNA的特征有助于识别潜在的生物标志物,提高对这种罕见疾病的分子机制的理解,最终改善患者的管理

原始出处:

Ana Rivera-Barahona, Alejandro Fulgencio-Covián, et al., Dysregulated miRNAs and their pathogenic implications for the neurometabolic disease propionic academia. Sci Rep. 2017; 7: 5727. Published online 2017 Jul 18. doi:  10.1038/s41598-017-06420-8.

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    2018-06-02 smallant2002
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    2017-08-11 Homburg