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PLoS One:人类胚胎内耳microRNAs发展情况分析

2018-02-24 AlexYang MedSci原创

由于人类胎儿内耳组织的不可接触性,鉴定调控内耳发育的microRNAs(miRNAs)一直以来依赖于动物组织。最近,有研究人员对人类样本的耳前体细胞进行了首次的miRNA测序。研究人员利用HTG miRNA全转录组分析,调查了在耳蜗前庭神经节(CVG)、神经嵴(NC)和听囊(OV)中的miRNA表达情况,这些组织来源于卡内基阶段13-15的石蜡切片包埋(FFPE)人类样本。研究人员发现,在人类胚胎

由于人类胎儿内耳组织的不可接触性,鉴定调控内耳发育的microRNAs(miRNAs)一直以来依赖于动物组织。最近,有研究人员对人类样本的耳前体细胞进行了首次的miRNA测序。研究人员利用HTG miRNA全转录组分析,调查了在耳蜗前庭神经节(CVG)、神经嵴(NC)和听囊(OV)中的miRNA表达情况,这些组织来源于卡内基阶段13-15的石蜡切片包埋(FFPE)人类样本。

研究人员发现,在人类胚胎组织中,在CVG、NC和OV中,miRNA表达模式不同。特别的是,与NC和OV在卡内基发展阶段13的比较中,miR-183家族成员(miR-96, miR-182, and miR-183)在CVG中差异化表达。研究人员进一步鉴定了阶段13-15中,与其他组织相比,转录因子在CVG中具有不同的靶标,并且研究人员还进行了基因集富集分析来确定与人类CVG发育相关的不同的调控途径。

最后,研究人员指出,这些发现不仅仅对控制人类内耳发育的机制提供了新的认识,同时鉴定了促使螺旋神经节和内耳其他组分再生的潜在的信号通路。

原始出处:

Chadly DM, Best J, Ran C et al. Developmental profiling of microRNAs in the human embryonic inner ear. PLoS One. 26 Jan 2018.

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    2018-06-06 dzx0922889
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    2018-12-05 xjy02
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    2018-02-26 ailian1202
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    2018-02-26 zhouqu_8

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