相关实验视频

Updated: Jul 11, 2025

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

大麻使用和初级开角光眼风险:孟德尔的随机化研究

Andreas Katsimpris¹, Sebastian-Edgar Baumeister², Hansjörg Baurecht³

¹Princess Alexandra Eye Pavilion, Edinburgh, EH3 9HA, Scotland, UK. a.katsimpris@gna-gennimatas.gr.

Scientific reports

|November 10, 2023

概括

这项研究没有发现大麻使用和初级开角玻璃眼 (POAG) 之间的因果关系. 孟德尔对遗传数据的随机分析不支持大麻使用作为POAG的风险因素.

科学领域:

眼科医生眼科眼科
遗传学遗传学是一个
药理学药理学是指药理学的学科.

背景情况:

观察性研究表明,大麻使用与眼内压力之间存在联系.
大麻使用与初级开角玻璃眼 (POAG) 之间的关联仍然不清楚.
像门德尔随机化这样的遗传方法可以帮助推断因果关系.

研究的目的:

通过使用孟德尔随机化,调查终身大麻使用和大麻使用障碍与POAG之间的潜在因果关系.
为了利用大规模的全基因组关联研究 (GWAS) 数据,用于大麻使用和POAG.

主要方法:

从一个大型GWAS (N=184,765) 中利用了五个单核酸多态 (SNP) 来终身使用大麻.
从一个单独的GWAS元分析 (17,068例,357,219对照) 中,雇佣了11名大麻使用障碍的SNP.
使用最大可用的GWAS元分析 (16,677例,199,580对照) 将这些SNP与POAG关联起来.

主要成果:

门德尔随机分析显示,终身大麻使用和POAG (OR=1.04,95%CI:0.88-1.23) 之间没有因果关系的证据.
对于大麻使用障碍和POAG (OR=0.97,95%CI:0.92-1.03) 没有发现因果关系.
灵敏度分析证实了这些发现,解决了潜在的偏差,如 pleiotropy 和弱仪器偏差.

结论:

该研究的结果不支持大麻使用 (终身使用和疾病) 和初级开角玻璃眼之间存在因果关系.
遗传证据表明,大麻使用不太可能是POAG的致病因素.

更多相关视频

Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis

Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis

Published on: June 3, 2018

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates

Published on: May 30, 2025

相关概念视频

Genome-wide Association Studies-GWAS

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...

Open Angle Glaucoma: Treatment

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...

Monohybrid Crosses

Monohybrid Crosses