Genome-wide screening of circadian and non-circadian impact of Neat1 genetic deletion.
CRISPR/Cas9 edition
Circadian gene expression
Long non-coding RNA Neat1
Paraspeckles
RNA-sequencing
Journal
Computational and structural biotechnology journal
ISSN: 2001-0370
Titre abrégé: Comput Struct Biotechnol J
Pays: Netherlands
ID NLM: 101585369
Informations de publication
Date de publication:
2021
2021
Historique:
received:
10
02
2021
revised:
07
04
2021
accepted:
07
04
2021
entrez:
17
5
2021
pubmed:
18
5
2021
medline:
18
5
2021
Statut:
epublish
Résumé
The functions of the long non-coding RNA, Nuclear enriched abundant transcript 1 (Neat1), are poorly understood. Neat1 is required for the formation of paraspeckles, but its respective paraspeckle-dependent or independent functions are unknown. Several studies including ours reported that Neat1 is involved in the regulation of circadian rhythms. We characterized the impact of Neat1 genetic deletion in a rat pituitary cell line. The mRNAs whose circadian expression pattern or expression level is regulated by Neat1 were identified after high-throughput RNA sequencing of the circadian transcriptome of wild-type cells compared to cells in which Neat1 was deleted by CRISPR/Cas9. The numerous RNAs affected by Neat1 deletion were found to be circadian or non-circadian, targets or non-targets of paraspeckles, and to be associated with many key biological processes showing that Neat1, in interaction with the circadian system or independently, could play crucial roles in key physiological functions through diverse mechanisms.
Identifiants
pubmed: 33995907
doi: 10.1016/j.csbj.2021.04.022
pii: S2001-0370(21)00134-3
pmc: PMC8085668
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2121-2132Informations de copyright
© 2021 The Author(s).
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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