Mendelian randomization: concepts and scope

RC Richmond, GD Smith - Cold Spring …, 2022 - perspectivesinmedicine.cshlp.org
Mendelian randomization (MR) is a method of studying the causal effects of modifiable
exposures (ie, potential risk factors) on health, social, and economic outcomes using genetic …

Evaluating the potential role of pleiotropy in Mendelian randomization studies

G Hemani, J Bowden… - Human molecular …, 2018 - academic.oup.com
Pleiotropy, the phenomenon of a single genetic variant influencing multiple traits, is likely
widespread in the human genome. If pleiotropy arises because the single nucleotide …

Assessment of bidirectional relationships between physical activity and depression among adults: a 2-sample Mendelian randomization study

KW Choi, CY Chen, MB Stein, YC Klimentidis… - JAMA …, 2019 - jamanetwork.com
Importance Increasing evidence shows that physical activity is associated with reduced risk
for depression, pointing to a potential modifiable target for prevention. However, the …

Using genetic data to strengthen causal inference in observational research

JB Pingault, PF O'reilly, T Schoeler… - Nature Reviews …, 2018 - nature.com
Causal inference is essential across the biomedical, behavioural and social sciences. By
progressing from confounded statistical associations to evidence of causal relationships …

GWAS of lifetime cannabis use reveals new risk loci, genetic overlap with psychiatric traits, and a causal effect of schizophrenia liability

JA Pasman, KJH Verweij, Z Gerring, S Stringer… - Nature …, 2018 - nature.com
Cannabis use is a heritable trait that has been associated with adverse mental health
outcomes. In the largest genome-wide association study (GWAS) for lifetime cannabis use to …

Associations between prenatal cannabis exposure and childhood outcomes: results from the ABCD study

SE Paul, AS Hatoum, JD Fine, EC Johnson… - JAMA …, 2021 - jamanetwork.com
Importance In light of increasing cannabis use among pregnant women, the US Surgeon
General recently issued an advisory against the use of marijuana during pregnancy …

Mendelian randomization with a binary exposure variable: interpretation and presentation of causal estimates

S Burgess, JA Labrecque - European journal of epidemiology, 2018 - Springer
Mendelian randomization uses genetic variants to make causal inferences about a
modifiable exposure. Subject to a genetic variant satisfying the instrumental variable …

Cannabis use and psychosis: a review of reviews

A Hasan, R von Keller, CM Friemel, W Hall… - European archives of …, 2020 - Springer
We conducted a systematic review of meta-analyses and systematic reviews to evaluate the
impact of cannabis use on the onset and course of psychoses. Following a systematic …

Environmental risk factors for schizophrenia and bipolar disorder and their relationship to genetic risk: current knowledge and future directions

N Robinson, SE Bergen - Frontiers in genetics, 2021 - frontiersin.org
Schizophrenia (SZ) and bipolar disorder (BD) are severe psychiatric disorders which result
from complex interplay between genetic and environmental factors. It is well-established that …

Assessment of the genetic and clinical determinants of fracture risk: genome wide association and mendelian randomisation study

K Trajanoska, JA Morris, L Oei, HF Zheng, DM Evans… - bmj, 2018 - bmj.com
Objectives To identify the genetic determinants of fracture risk and assess the role of 15
clinical risk factors on osteoporotic fracture risk. Design Meta-analysis of genome wide …