降脂药物通过脂代谢影响肺癌风险:一种药物向的门德尔随机化研究
Honglin Li1, Lei Zhang1, Feiran Yang2
1First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China.
Frontiers in genetics
|November 30, 2023
概括
降脂药物对肺癌风险具有复杂的影响,其中一些通过影响脂质水平和脂代谢来降低吸烟者的风险. 中性胺酶在调解这些降低风险方面发挥着关键作用.
科学领域:
- 遗传学和流行病学
- 代谢性疾病研究研究
- 在瘤学瘤学.
背景情况:
- 降脂药物 (LLD) 使用与肺癌风险之间的联系受到争论.
- 在这种关联中,脂代谢的具体作用尚不清楚.
研究的目的:
- 使用孟德尔随机化研究LLD与肺癌风险之间的因果关系.
- 探索脂代谢对LLDs对肺癌风险的影响.
主要方法:
- 利用脂质水平 (LDL,ApoB,TG) 的全基因组关联研究数据,为LLDs创建遗传仪器变量.
- 进行了双步门德尔随机化分析,以评估LLD和肺癌之间的因果关系.
- 研究了胺,S1P和胺酶对肺癌风险的影响,并计算了调解比例.
主要成果:
- 在常吸烟者中,APOB抑制通过降低ApoB,LDL和TG来降低肺癌风险,并通过降低LDL降低小细胞肺癌 (SCLC) 的风险.
- 抑制APOC3降低了肺腺癌 (LUAD) 风险,但增加了SCLC风险,而抑制HMGCR增加了SCLC风险.
- LPL激动剂降低了SCLC风险,PCSK9抑制降低了胺水平. 中性胺酶调解了部分风险降低.
结论:
- 使用LLD对肺癌风险有复杂而多样化的影响,受特定药物点和脂质通路的影响.
- 脂代谢,特别是中性胺酶活性,显著调解了与某些LLD相关的肺癌风险降低.
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