Genetic Thyrotropin Regulation of Atrial Fibrillation Risk Is Mediated Through an Effect on Height.
Atrial Fibrillation
/ genetics
Blood Pressure
/ genetics
Body Height
/ genetics
Genetic Predisposition to Disease
/ genetics
Genome-Wide Association Study
Heart Disease Risk Factors
Humans
Mendelian Randomization Analysis
Polymorphism, Single Nucleotide
Thyroid Function Tests
Thyroid Gland
/ metabolism
Thyrotropin
/ blood
atrial fibrillation
height
mendelian randomization
thyrotropin
Journal
The Journal of clinical endocrinology and metabolism
ISSN: 1945-7197
Titre abrégé: J Clin Endocrinol Metab
Pays: United States
ID NLM: 0375362
Informations de publication
Date de publication:
16 06 2021
16 06 2021
Historique:
received:
02
12
2020
revised:
31
03
2021
pubmed:
26
4
2021
medline:
5
10
2021
entrez:
25
4
2021
Statut:
ppublish
Résumé
A genetic predisposition to lower thyrotropin (TSH) levels is associated with increased atrial fibrillation (AF) risk through undefined mechanisms. Defining the genetic mediating mechanisms could lead to improved targeted therapies to mitigate AF risk. We used 2-sample mendelian randomization (MR) to test associations between TSH-associated single-nucleotide variations and 16 candidate mediators. We then performed multivariable mendelian randomization (MVMR) to test for a significant attenuation of the genetic association between TSH and AF, after adjusting for each mediator significantly associated with TSH. Four candidate mediators (free thyroxine, systolic blood pressure, heart rate, and height) were significantly inversely associated with genetically predicted TSH after adjusting for multiple testing. In MVMR analyses, adjusting for height significantly decreased the magnitude of the association between TSH and AF from -0.12 (SE 0.02) occurrences of AF per SD change in height to -0.06 (0.02) (P = .005). Adjusting for the other candidate mediators did not significantly attenuate the association. The genetic association between TSH and increased AF risk is mediated, in part, by taller stature. Thus, some genetic mechanisms underlying TSH variability may contribute to AF risk through mechanisms determining height occurring early in life that differ from those driven by thyroid hormone-level elevations in later life.
Identifiants
pubmed: 33895829
pii: 6250092
doi: 10.1210/clinem/dgab272
pmc: PMC8208678
doi:
Substances chimiques
Thyrotropin
9002-71-5
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2124-2132Subventions
Organisme : NIH HHS
ID : S10 OD017985
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR000445
Pays : United States
Organisme : NIGMS NIH HHS
ID : T32 GM007569
Pays : United States
Organisme : NHLBI NIH HHS
ID : U19 HL065962
Pays : United States
Organisme : NCRR NIH HHS
ID : S10 RR025141
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL142856
Pays : United States
Organisme : American Heart Association-American Stroke Association
ID : 16FTF30130005
Pays : United States
Organisme : NICHD NIH HHS
ID : R01 HD074711
Pays : United States
Organisme : NIGMS NIH HHS
ID : RC2 GM092618
Pays : United States
Organisme : NIGMS NIH HHS
ID : P50 GM115305
Pays : United States
Organisme : NICHD NIH HHS
ID : K12 HD043483
Pays : United States
Organisme : NHGRI NIH HHS
ID : U01 HG006378
Pays : United States
Organisme : NIGMS NIH HHS
ID : R01 GM130791
Pays : United States
Organisme : NCRR NIH HHS
ID : UL1 RR024975
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS032830
Pays : United States
Organisme : NHGRI NIH HHS
ID : U01 HG004798
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR002243
Pays : United States
Commentaires et corrections
Type : CommentIn
Informations de copyright
© The Author(s) 2021. Published by Oxford University Press on behalf of the Endocrine Society. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
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