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Transcriptome analysis of long non-coding RNAs reveals NR_015556 lncRNA is a novel regulator for adipocyte differentiation.

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机构: [1]Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan, 523808, PR China [2]Key Laboratory of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, 523808, PR China [3]Department of Pharmacy, Dongguan Liaobu Hospital, Guangdong Medical University, Dongguan, 523400, PR China [4]Department of Biochemistry and Molecular Biology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, 523808, PR China
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关键词: NR_015556 Adipocyte differentiation Wnt10b b-catenin

摘要:
Long non-coding RNAs (lncRNAs) have gained extensive attentions due to their significant roles in diverse biological process. However, the potential functions of lncRNAs participation in adipocyte differentiation have not been fully explored. In the present study, we globally profiled lncRNA expression using lncRNA microarray and identified 1745 lncRNA probes with differential expression on day 0 and day 4 post-induction in both C3H10T1/2 mesenchymal stem cells and 3T3-L1 preadipocytes. Furthermore, we showed that stable shRNA knockdown (KD) of NR_015556, a novel lncRNA that was significantly down-regulated in adipocyte differentiation, promoted adipocyte differentiation by increasing the number of lipid droplets and adipocyte markers such as Fabp4, Adipsin and Fasn. Mechanistically, NR_015556 KD attenuated the expression of Wnt signaling components Wnt10b and non-phospho (active) β-catenin, and elevated adipocyte master factors Ppar-γ and C/EBPα levels. Conversely, pharmacological activation of Wnt10b-β-catenin signaling by LiCl suppressed NR_015556 KD-induced enhancement of adipocyte differentiation and Ppar-γ and C/EBPα expression levels. Taken together, these results indicate that down-regulation of NR_015556 promotes adipocyte differentiation through inhibiting Wnt10b-β-catenin signaling pathway and then elevating Ppar-γ and C/EBPα triggered transcriptional cascades.Copyright © 2022 Elsevier Inc. All rights reserved.

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出版当年[2021]版:
大类 | 3 区 生物学
小类 | 3 区 生物物理 4 区 生化与分子生物学
最新[2025]版:
大类 | 4 区 生物学
小类 | 4 区 生化与分子生物学 4 区 生物物理
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第一作者机构: [1]Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan, 523808, PR China [2]Key Laboratory of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, 523808, PR China
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通讯机构: [1]Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan, 523808, PR China [2]Key Laboratory of Traditional Chinese Medicine and New Pharmacy Development, Guangdong Medical University, Dongguan, 523808, PR China [4]Department of Biochemistry and Molecular Biology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, 523808, PR China [*1]Department of Biochemistry and Molecular Biology, Guangdong Medical University, No.1 Xincheng Avenue, Songshan Lake Industrial and Tech Park, Dongguan, 523808, China. [*2]Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan, 523808, PR China.
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