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. 2020 Sep 23;52(9):1614–1626. doi: 10.1038/s12276-020-00496-5

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 6 — WT mice housed under constant dark conditions for seven days were sacrificed at CT04, 08, 12, 16, 20, and 24 h for measurements of the indicated brain and peripheral tissues. Expression profiles of the circadian clock genes (Per2 and Bmal1 mRNAs), miR-24-3p, and miR-25-3p in the a SCN and b hippocampal brain tissues were obtained by real-time qPCR with the relative quantification method. Expression levels of c miR-24-3p and d miR-25-3p in various brain and peripheral tissues were examined. CT12 tissue samples were used and normalized to the SCN miR-24-3p or miR-25-3p level. Data for the Per2 and Bmal1 mRNAs were normalized by the TATA-box binding protein (Tbp) housekeeping gene, while the miR-24-3p and miR-25-3p data were normalized by small nucleolar RNA, C/D Box 95 (SnoRD95). Error bars represent the means ± SE of A.U. for each time point measured in three independent measurements. Significance was assessed by one-way ANOVA, *p < 0.05 compared to the control group.