Predicted microRNAs for mammalian circadian rhythms.

Abstract:

:There is little evidence for the involvement of microRNAs (miRs) in the regulation of circadian rhythms, despite the potential relevance of these elements in the posttranscriptional regulation of the clock machinery. The present work aimed to identify miRs targeting circadian genes through a predictive analysis of conserved miRs in mammals. Besides 23 miRs previously associated with circadian rhythms, we found a number of interesting candidate genes, equally predicted by the 3 software programs used, including miR-9, miR-24, miR25, miR-26, miR-27, miR-29, miR-93, miR-211, miR-302, and miR-346. Moreover, several miRs are predicted to be regulated by circadian transcription factors, such as CLOCK/BMAL, DEC2, and REV-ERBalpha. Using real-time PCR we demonstrated that the selected candidate miR-27b showed a daily variation in human leukocytes. This study presents predicted feedback loops for mammalian molecular clock and the first description of an miR with in vivo daily variation in humans.

journal_name

J Biol Rhythms

authors

Figueredo Dde S,Barbosa MR,Gitaí DL,de Andrade TG

doi

10.1177/0748730413476827

subject

Has Abstract

pub_date

2013-04-01 00:00:00

pages

107-16

issue

2

eissn

0748-7304

issn

1552-4531

pii

28/2/107

journal_volume

28

pub_type

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