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Variants associated with HHIP expression have sexdifferential effects on lung function.
Wellcome Open Res. 5:111 (2021)
Background: Lung function is highly heritable and differs between the sexes throughout life. However, little is known about sexdifferential genetic effects on lung function. We aimed to conduct the first genome-wide genotype-by-sex interaction study on lung function to identify genetic effects that differ between males and females. Methods: We tested for interactions between 7,745,864 variants and sex on spirometry-based measures of lung function in UK Biobank (N=303,612), and sought replication in 75,696 independent individuals from the SpiroMeta consortium. Results: Five independent single-nucleotide polymorphisms (SNPs) showed genome-wide significant (P<5x10-8) interactions with sex on lung function, and 21 showed suggestive interactions (P<1x10-6). The strongest signal, from rs7697189 (chr4:145436894) on forced expiratory volume in 1 second (FEV1) (P=3.15x10-15), was replicated (P=0.016) in SpiroMeta. The C allele increased FEV1 more in males (untransformed FEV1 β=0.028 [SE 0.0022] litres) than females (β=0.009 [SE 0.0014] litres), and this effect was not accounted for by differential effects on height, smoking or pubertal age. rs7697189 resides upstream of the hedgehog-interacting protein (HHIP) gene and was previously associated with lung function and HHIP lung expression. We found HHIP expression was significantly different between the sexes (P=6.90x10-6), but we could not detect sex differential effects of rs7697189 on expression. Conclusions: We identified a novel genotype-by-sex interaction at a putative enhancer region upstream of the HHIP gene. Establishing the mechanism by which HHIP SNPs have different effects on lung function in males and females will be important for our understanding of lung health and diseases in both sexes.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Expression ; Genome-wide Interaction Study ; Hhip ; Lung Function ; Sex
Sprache
englisch
Veröffentlichungsjahr
2021
HGF-Berichtsjahr
2021
ISSN (print) / ISBN
2398-502X
e-ISSN
2398-502X
Zeitschrift
Wellcome open research
Quellenangaben
Band: 5,
Artikelnummer: 111
Verlag
Wellcome Trust
Verlagsort
London
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Epidemiology (EPI)
Institute of Genetic Epidemiology (IGE)
Institute of Human Genetics (IHG)
Institute of Genetic Epidemiology (IGE)
Institute of Human Genetics (IHG)
POF Topic(s)
30202 - Environmental Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er)
Genetics and Epidemiology
PSP-Element(e)
G-504000-009
G-504100-001
G-500700-001
G-504100-001
G-500700-001
Förderungen
NHLBI NIH HHS
NIMH NIH HHS
Wellcome Trust
NIMH NIH HHS
Wellcome Trust
Scopus ID
85117324479
PubMed ID
33728380
Erfassungsdatum
2021-12-09