Trim21 调节棕色脂肪组织的产后发育和发热
Qinxiao Hu1, Yidi Xu1, Teng Xiao1
1Department of Bone and Joint Surgery, the First Affiliated Hospital of Jinan University, Key Laboratory of Regenerative Medicine of Ministry of Education of Jinan University, Guangzhou, Guangdong, 510630, China.
Advanced biology
|December 12, 2023
概括
含有21 (Trim21) 的三部分基因对棕色脂肪组织的发育和功能至关重要. 缺乏Trim21会损害热生成,减少能量消耗,并加剧饮食引起的肥胖.
科学领域:
- 代谢和内分泌学
- 脂肪组织生物学 脂肪组织生物学
- 肥胖问题研究研究
背景情况:
- 棕色脂肪组织 (BAT) 对于温度调节和能量消耗至关重要.
- 产后开发BAT对于预防感冒和肥胖至关重要.
- 调节BAT成熟和功能的分子机制需要进一步阐明.
研究的目的:
- 研究含有21 (Trim21) 的三方基因在棕色脂肪组织 (BAT) 发育和热生成中的作用.
- 为了确定Trim21缺乏对能量消耗和易患饮食引起的肥胖症的影响.
主要方法:
- 在产后发育过程中,在骨架间的BAT中分析Trim21mRNA表达的分析.
- 在 Trim21 缺陷小鼠中评估 BAT 成熟,热生成基因表达和能量消耗.
- 评估白色脂肪组织的色和肥胖的发展,以应对暴露在寒冷,β-上腺素激动剂和高脂肪饮食.
主要成果:
- 双肩间BAT中的Trim21mRNA水平在产后增加,在产后14天达到峰值.
- Trim21的耗尽损害了BAT成熟,减少了发热基因表达,并降低了能源支出.
- 失去Trim21会抑制白色脂肪组织的色,并增加对高脂肪饮食引起的肥胖的易感性.
结论:
- 在调节棕色脂肪组织的产后发育方面,Trim21起着至关重要的作用.
- Trim21对于维持热生成和能源支出至关重要.
- Trim21缺乏有助于肥胖,突出其在代谢平衡中的重要性.
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