microRNAs in cardiovascular development.

microRNAs in cardiovascular development.
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DOI:
10.1016/j.yjmcc.2012.01.012
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发表时间:
2012-05
影响因子:
5
通讯作者:
Wang DZ
Wang DZ
中科院分区:
医学2区
文献类型:
--
作者:
Chen J;Wang DZ

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心脏发育需要精确的基因表达时空调控,其中高度保守的转录因子调控网络精确控制正常心血管发育所需的信号通路。在心脏发生过程中,即使这种程序的轻微扰动也会导致先天性心脏缺陷和晚期新生儿或成人心脏病。microRNAs (miRNAs)是一类“小”非编码rna,最近因其对心血管发育和疾病的“巨大”影响而引起了广泛关注。在大多数生物体中,mirna通过转录后过程负向调节其靶基因的表达。在这里,我们回顾了mirna在心血管发育和功能中的作用,研究了mirna作为维持心血管系统稳态的“微调者”和/或“保障者”的分子机制。我们也为这些微小分子的治疗潜力提出了新的方向。
Heart development requires precise temporal-spatial regulation of gene expression, in which the highly conserved modulation networks of transcription factors accurately control the signaling pathways required for normal cardiovascular development. Even slight perturbation of such programming during cardiogenesis can cause congenital heart defects and late neonatal or adult heart disease. microRNAs (miRNAs), a class of “small” non-coding RNAs, have recently drawn a lot of attention for their “big” impact on cardiovascular development and diseases. miRNAs negatively regulate the expression of their target genes in most biological organisms through post-transcriptional processes. Here, we review the roles of miRNAs in cardiovascular development and function, looking inside the molecular mechanisms by which miRNAs act as “fine tuners” and/or “safeguards” to maintain the homeostasis of cardiovascular system. We also propose new directions for therapeutic potential of these tiny molecules.
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