The developmental transcriptome of the human heart.

The developmental transcriptome of the human heart.
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DOI:
10.1038/s41598-018-33837-6
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发表时间:
2018-10-18
期刊:
影响因子:
4.6
通讯作者:
Holden AV
Holden AV
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Pervolaraki E;Dachtler J;Anderson RA;Holden AV

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人类心脏在妊娠期间通过复杂的机制产生形态和功能变化。我们最近使用扩散张量MRI证明,在相对较短的40天间隔内,在100-140天胎龄之间,心室心肌从无序组织转变为成熟心脏组织的有序结构特征。然而,支持这种成熟的遗传基础尚不清楚。在此,我们使用RNA-Seq建立了妊娠早期和妊娠中期三个胎龄发育中人类心脏基因表达的发育调节转录组。通过比较9周和12周胎龄的胎儿,我们发现有288个基因表现出显著的差异表达。305个基因在12和16个WGA之间发生了显著改变,806个基因在9和16个WGA之间差异表达。网络分析用于识别基因相互作用、节点属性和基因本体类别。总之,我们提出了一个全面的人类心脏发育在妊娠早期的转录组学分析,并确定差异表达的基因在心脏发育的9和16周之间,重叠的第一和早期中期妊娠。
The human heart develops through complex mechanisms producing morphological and functional changes during gestation. We have recently demonstrated using diffusion tensor MRI that over the relatively short space of 40 days, between 100–140 days gestational age, the ventricular myocardium transforms from a disorganised tissue to the ordered structure characteristic of mature cardiac tissue. However, the genetic basis underpinning this maturation is unclear. Herein, we have used RNA-Seq to establish the developmentally-regulated transcriptome of gene expression in the developing human heart across three gestational ages in the first and second trimester. By comparing 9 weeks gestational age (WGA) with 12 WGA, we find 288 genes show significant differential expression. 305 genes were significantly altered comparing 12 and 16 WGA, and 806 genes differentially expressed between 9 and 16 WGA. Network analysis was used to identify genetic interactions, node properties and gene ontology categories. In summary, we present a comprehensive transcriptomic analysis of human heart development during early gestation, and identify differentially expressed genes during heart development between 9 and 16 weeks, overlapping the first and early second trimester.
不同的表观遗传学计划调节体内人心脏中心肌细胞的发育和疾病。
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