Nucleosides Associated With Incident Ischemic Stroke in the REGARDS and JHS Cohorts.
Journal
Neurology
ISSN: 1526-632X
Titre abrégé: Neurology
Pays: United States
ID NLM: 0401060
Informations de publication
Date de publication:
24 05 2022
24 05 2022
Historique:
received:
04
08
2021
accepted:
04
02
2022
pubmed:
11
3
2022
medline:
26
5
2022
entrez:
10
3
2022
Statut:
ppublish
Résumé
Both genetic and environmental factors contribute to stroke risk. We sought to identify novel metabolites associated with incident stroke in the Reasons for Geographic and Racial Differences in Stroke (REGARDS) cohort and determine whether they reflected genetic or environmental variation. This was a stroke case-cohort observational study nested in REGARDS. Cases were defined as incident stroke and metabolomic profiles were compared to a randomly selected control cohort. In baseline plasma samples, 162 metabolites were measured using liquid chromatography-tandem mass spectrometry. Cox proportional hazards models were adjusted for age, sex, race, and age by race in the base model. Fully adjusted models included traditional stroke risk factors. Mediation analyses conducted for these stroke risk factors used the metabolite as mediator. Genome-wide associations with the leading candidate metabolites were calculated using array data. Replication analyses in the Jackson Heart Study (JHS) were conducted using random effects meta-analysis. There were 2,043 participants who were followed over an average period of 7.1 years, including 1,075 stroke cases and 968 random controls. Nine metabolites were associated with stroke in the base model, 8 of which were measured and remained significant in meta-analysis with JHS. In the fully adjusted model in REGARDS, guanosine (hazard ratio [HR] 1.34, 95% CI 1.18-1.53; Guanosine and pseudouridine are nucleosides associated with incident ischemic stroke independently of other risk factors. Genetic and mediation analyses suggest that environmental exposures rather than genetic variation link nucleoside levels to stroke risk. This study provides Class II evidence that guanosine and pseudouridine are associated with incident stroke.
Sections du résumé
BACKGROUND AND OBJECTIVES
Both genetic and environmental factors contribute to stroke risk. We sought to identify novel metabolites associated with incident stroke in the Reasons for Geographic and Racial Differences in Stroke (REGARDS) cohort and determine whether they reflected genetic or environmental variation.
METHODS
This was a stroke case-cohort observational study nested in REGARDS. Cases were defined as incident stroke and metabolomic profiles were compared to a randomly selected control cohort. In baseline plasma samples, 162 metabolites were measured using liquid chromatography-tandem mass spectrometry. Cox proportional hazards models were adjusted for age, sex, race, and age by race in the base model. Fully adjusted models included traditional stroke risk factors. Mediation analyses conducted for these stroke risk factors used the metabolite as mediator. Genome-wide associations with the leading candidate metabolites were calculated using array data. Replication analyses in the Jackson Heart Study (JHS) were conducted using random effects meta-analysis.
RESULTS
There were 2,043 participants who were followed over an average period of 7.1 years, including 1,075 stroke cases and 968 random controls. Nine metabolites were associated with stroke in the base model, 8 of which were measured and remained significant in meta-analysis with JHS. In the fully adjusted model in REGARDS, guanosine (hazard ratio [HR] 1.34, 95% CI 1.18-1.53;
DISCUSSION
Guanosine and pseudouridine are nucleosides associated with incident ischemic stroke independently of other risk factors. Genetic and mediation analyses suggest that environmental exposures rather than genetic variation link nucleoside levels to stroke risk.
CLASSIFICATION OF EVIDENCE
This study provides Class II evidence that guanosine and pseudouridine are associated with incident stroke.
Identifiants
pubmed: 35264422
pii: WNL.0000000000200262
doi: 10.1212/WNL.0000000000200262
pmc: PMC9169945
doi:
Substances chimiques
Nucleosides
0
Guanosine
12133JR80S
Pseudouridine
1445-07-4
Types de publication
Journal Article
Observational Study
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2097-e2107Subventions
Organisme : NIGMS NIH HHS
ID : P20 GM135007
Pays : United States
Organisme : NINDS NIH HHS
ID : U01 NS041588
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201800010I
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201800012I
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201800011I
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201800014I
Pays : United States
Organisme : NIMHD NIH HHS
ID : HHSN268201800013I
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201800015I
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS099209
Pays : United States
Informations de copyright
© 2022 American Academy of Neurology.
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