MicroRNAs and developmental timing.

MicroRNAs and developmental timing.
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DOI:
10.1016/j.gde.2011.04.003
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发表时间:
2011-08
影响因子:
4
通讯作者:
Ambros, Victor
Ambros, Victor
中科院分区:
生物学2区
文献类型:
--
作者:
Ambros, Victor

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在动物发育过程中,microrna调节与细胞命运进展和分化相关的基因表达的时间转换。线虫发育时间的遗传分析发现了两个进化上保守的microrna, lin-4/mir-125和let-7,它们调节线虫细胞系的细胞命运进展和分化。microrna在包括哺乳动物在内的其他动物中也具有类似的发育定时功能。通过调节细胞命运的选择以及多能性和分化之间的转变,microRNAs有助于协调整个发育中的动物的发育事件,并在包括癌症在内的疾病中发挥重要的组织稳态作用。
MicroRNAs regulate temporal transitions in gene expression associated with cell fate progression and differentiation throughout animal development. Genetic analysis of developmental timing in the nematode C. elegans identified two evolutionarily conserved microRNAs, lin-4/mir-125 and let-7, that regulate cell fate progression and differentiation and in C. elegans cell lineages. MicroRNAs perform analogous developmental timing functions in other animals, including mammals. By regulating cell fate choices and transitions between pluripotency and differentiation, microRNAs help to orchestrate developmental events throughout the developing animal, and to play tissue homeostasis roles important for disease, including cancer.
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