Abstract:
BACKGROUND AND PURPOSE:Considerable studies have reported inconsistent relationships between ischemic stroke and a large number of factors. These uncertainties may reflect the susceptibility to confounding in observational studies. We aimed to assess genetic correlations and causal relationships between ischemic stroke and diverse phenotypes. METHODS:Summary-level data for ischemic stroke (34,217 cases and 406,111 controls) from the MEGASTROKE consortium were used as the outcome. Exposures were derived from two GWAS statistics curated databases. We explored the genetic correlations and causalities between hundreds of traits and ischemic stroke, using linkage disequilibrium score regression and Mendelian randomization (MR), respectively. Multiple sensitivity analyses were also performed. RESULTS:Genetic correlation analyses reflected genetic overlaps between ischemic stroke and physical activity, cardiometabolic factors, smoking, and lung function. Applying MR, we found suggestive evidence that genetic predisposition to higher concentration of low-density lipoprotein particles (LDL.P) and cholesterol carried in different sizes of LDL.P (LDL.C) were associated with higher risk of ischemic stroke, particular large artery stroke. The strongest effect was observed for small LDL.P in large artery stroke (OR 1.31, 95% CI 1.09-1.56, p = 0.003). The results were overall robust for sensitivity analyses. We further observed significant positive associations of genetically predicted LDL.P and LDL.C with coronary artery disease and myocardial infarction. CONCLUSIONS:Shared genetic overlaps might exist between ischemic stroke and physical activity, cardiometabolic factors, smoking, and lung function. We provided suggestive evidence for a potential causal role of LDL.P and LDL.C in ischemic stroke, particularly in large artery stroke. Future researches are required to confirm these findings.
journal_name
J Neuroljournal_title
Journal of neurologyauthors
Cai H,Cai B,Liu Z,Wu W,Chen D,Fang L,Chen L,Sun W,Liang J,Zhang Hdoi
10.1007/s00415-020-09786-4subject
Has Abstractpub_date
2020-07-01 00:00:00pages
1980-1990issue
7eissn
0340-5354issn
1432-1459pii
10.1007/s00415-020-09786-4journal_volume
267pub_type
杂志文章abstract::The emotional and relationship problems associated with MS have not always been fully appreciated by the medical profession, which has tended to concentrate on the physical aspects of this disease. Yet the psychological problems of MS often cause more suffering than physical effects. ...
journal_title:Journal of neurology
pub_type: 杂志文章,评审
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abstract::Charcot-Marie-Tooth disease (CMT) is the most common inherited neuropathy with heterogeneous clinical presentation and genetic background. The axonal form (CMT2) is characterised by decreased action potentials indicating primary axonal damage. The underlying pathology involves axonal degeneration which is supposed to ...
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journal_title:Journal of neurology
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journal_title:Journal of neurology
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journal_title:Journal of neurology
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:1996-04-01 00:00:00
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journal_title:Journal of neurology
pub_type: 杂志文章
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journal_title:Journal of neurology
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更新日期:2006-12-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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