Comparative Transcriptome Profiling of Cold Exposure and β3-AR Agonist CL316,243-Induced Browning of White Fat.

Comparative Transcriptome Profiling of Cold Exposure and β3-AR Agonist CL316,243-Induced Browning of White Fat.
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冷暴露和 β3-AR 激动剂 CL316,243 诱导的白色脂肪褐变的比较转录组分析

DOI:
10.3389/fphys.2021.667698
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发表时间:
2021
影响因子:
4
通讯作者:
Xu L
Xu L
中科院分区:
医学2区
文献类型:
--
作者:
Li Y;Ping X;Zhang Y;Li G;Zhang T;Chen G;Ma X;Wang D;Xu L

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米色脂肪细胞是新发现的产热潜能脂肪细胞,可被寒冷或β3 - 肾上腺素能受体(β3 - AR)信号激活,为治疗肥胖和代谢性疾病提供了治疗潜力。在此,我们对寒冷暴露或β3 - AR激动剂CL316,243(CL)处理的小鼠米色脂肪进行了RNA测序分析,以便对这两种刺激因素的相似性和异质性进行比较全面的分析。重要的是,通过KEGG分析,我们发现寒冷和CL通常会诱导氧化磷酸化。同时,寒冷会增加甘油脂和氨基酸代谢,而CL处理则引发更广泛的代谢反应,包括碳水化合物代谢。此外,寒冷或CL处理在下调的基因程序中表现出更大的异质性。值得注意的是,每个类别中变化最大的基因都通过qPCR分析得到了证实。总体而言,我们的分析更好地理解了米色脂肪细胞激活的不同模型的异质性,并为未来优化β3 - AR激动剂提供了可能的线索。
Beige adipocytes are newly identified thermogenic-poised adipocytes that could be activated by cold or β3-adrenergic receptor (β3-AR) signaling and offer therapeutic potential for treating obesity and metabolic diseases. Here we applied RNA-sequencing analysis in the beige fat of mice under cold exposure or β3-AR agonist CL316,243 (CL) treatment to provide a comparative and comprehensive analysis for the similarity and heterogeneity of these two stimulants. Importantly, via KEGG analysis, we found that cold and CL commonly induced oxidative phosphorylation. Meanwhile, cold increased glycerolipid and amino acids metabolism while CL treatment triggered a broader spectrum of metabolic responses including carbohydrate metabolism. Besides, cold or CL treatment featured greater heterogeneity in downregulated gene programs. Of note, the top changed genes in each category were confirmed by qPCR analysis. Overall, our analysis provided a better understanding of the heterogeneity of differential models for beige adipocytes activation and a possible clue for optimizing β3-AR agonists in the future.
DOI: 10.7554/elife.30329
发表时间: 2017-10-11
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