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LINC317.5作为正常葡萄糖代谢中的过高甘油三血症的新生物标志物
Yixue Yang1, Mengzi Sun1,2,3, Shoumeng Yan4
1Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, P. R. China.
一种新的长非编码RNA,LINC317.5,被确定为与异常葡萄糖代谢相关的高甘油三血症的关键调节者. 较低的LINC317.5水平与增加的甘油三积累相关,表明其作为生物标志物的潜力.
科学领域:
- 代谢疾病 代谢疾病
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 全球糖尿病前期和2型糖尿病 (T2DM) 发病率的上升与高甘油三血症 (HTG) 有关.
- 同时存在T2DM和HTG的患者面临并发症和死亡的风险增加.
- 在异常的葡萄糖代谢中确定HTG的分子调节剂至关重要.
研究的目的:
- 确定关键的长非编码RNA (lncRNAs) 参与过高甘油三血症 (HTG) 在患有葡萄糖代谢异常的患者中.
- 阐明已识别的 lncRNAs 在脂质代谢和葡萄糖平衡中的调节作用.
主要方法:
- 在患者血液样本上进行RNA测序和权重基因共同表达网络分析 (WGCNA).
- 在82-vs-82样本队列中进行定量实时PCR (qRT-PCR) 验证.
- 使用胰岛素诱导的HepG2细胞进行体外研究,包括RNA-光 in situ杂交 (FISH) 和CCK-8试验.
主要成果:
- ENST00000540317.5 (LINC317.5) 在HTG中被发现是下调的,具有异常的葡萄糖代谢.
- LINC317.5反向调节甘油三 (TG) 积累及其目标mRNA,TKFC.
- 与LINC317.5的干扰改变了关键脂质代谢转录因子 (PPARα,PPARγ,SREBP-1c) 和相关蛋白质 (ACADM,CPT1A,FAS,ACC1) 的表达.
结论:
- LINC317.5-TKFC轴被确定为胰岛素抗性HepG2细胞中甘油三积累的关键参与者.
- 在LINC317.5中,它显示出在血糖代谢异常的患者中,作为高甘油三血症的非侵入性生物标志物的潜力.
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