Circular RNAs are abundant and dynamically expressed during the embryonic lung development of C57BL/6 mice

Heliyon
Meng-Jie ZhangZhang-Bin Yu

Abstract

Circular RNAs (circRNAs), a novel type of endogenous RNAs, can function as microRNA (miRNA) sponges capable of regulating gene transcription, binding to RNA-associated proteins, and even encoding proteins. CircRNAs are involved in various cell behaviors, such as proliferation and apoptosis. The mouse model has also been demonstrated to be similar to that of humans in many studies. To explore the profile of circRNAs during embryonic lung development and their potential functions in lung development-related diseases, mouse embryos at the pseudoglandular phase, canalicular phase, saccular phase, and alveolar phase were collected. High-throughput sequencing was then used to identify a total of 1,735 circRNAs (junction reads ≥5 and p < 0.05). It is well known that the functions of circRNAs are related to host genes. In our study, bioinformatics analysis indicated that the screened host genes were closely associated with lung development and included the Hippo signaling pathway, PI3K-Akt signaling pathways, and TGF-β signaling pathways. Moreover, miRNA sponges are another mechanism involved in lung development. Therefore, we predicted many miRNAs binding to circRNAs, such as miR-17 and miR-20, using the TargetScan and miRanda databas...Continue Reading

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Datasets Mentioned

BETA
GSE131839

Methods Mentioned

BETA
RNA-seq
circRNA-seq
reverse transcription PCR

Software Mentioned

StringTie
Cytoscape
GraphPad Prism7
Hisat2
MiRanda
TargetScan
Solexa pipeline
BWA
DAVID

Related Concepts

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