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Erschienen in: Angiogenesis 2/2019

17.01.2019 | Brief Communication

A ribosomal DNA-hosted microRNA regulates zebrafish embryonic angiogenesis

verfasst von: Yunwei Shi, Xuchu Duan, Guangmin Xu, Xiaoning Wang, Guanyun Wei, Shikui Dong, Gangcai Xie, Dong Liu

Erschienen in: Angiogenesis | Ausgabe 2/2019

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Abstract

MicroRNAs (miRNAs) are single-stranded small non-coding RNAs, generally 18–25 nucleotides in length, that act as repressors of gene expression. miRNAs are encoded by independent genes or processed from a variety of different RNA species. So far, there is no evidence showing that the ribosomal DNA-hosted microRNA is implicated in vertebrate development. Currently, we found a highly expressed small RNA hosted in ribosomal DNA was predicted as a novel miRNA, named miR-ntu1, in zebrafish endothelial cells by deep sequencing analysis. The miRNA was validated by custom-designed Taqman PCR, Northern Blot, and in silico analysis. Furthermore, we demonstrated that miR-ntu1 played a crucial role in zebrafish angiogenesis via modulation of Notch signaling. Our findings provide a notable case that a miRNA hosted in ribosomal DNA is involved in vertebrate development.
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Metadaten
Titel
A ribosomal DNA-hosted microRNA regulates zebrafish embryonic angiogenesis
verfasst von
Yunwei Shi
Xuchu Duan
Guangmin Xu
Xiaoning Wang
Guanyun Wei
Shikui Dong
Gangcai Xie
Dong Liu
Publikationsdatum
17.01.2019
Verlag
Springer Netherlands
Erschienen in
Angiogenesis / Ausgabe 2/2019
Print ISSN: 0969-6970
Elektronische ISSN: 1573-7209
DOI
https://doi.org/10.1007/s10456-019-09663-3

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