Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium

Tea Skaaby; Amy E Taylor; Rikke K. Jacobsen; Lavinia Paternoster; Betina Heinsbaek Thuesen; Tarunveer S. Ahluwalia; Sofus C Larsen; Ang Zhou; Andrew Wong; Maiken E Gabrielsen; Johan H Bjørngaard; Claudia Flexeder; Satu Männistö; Rebecca Hardy; Diana Kuh; Sarah J Barry; Line Tang Møllehave; Charlotte Cerqueira; Nele Friedrich; Tobias N Bonten; Raymond Noordam; Dennis O Mook-Kanamori; Christian Taube; Leon E Jessen; Alex McConnachie; Naveed Sattar; Mark N Upton; Charles McSharry; Klaus Bønnelykke; Hans Bisgaard; Holger Schulz; Konstantin Strauch; Thomas Meitinger; Annette Peters; Harald Grallert; Ellen Aagaard Nohr; Mika Kivimaki; Meena Kumari; Uwe Völker; Matthias Nauck; Henry Völzke; Chris Power; Elina Hyppönen; Torben Hansen; Torben Jørgensen; Oluf Pedersen; Veikko Salomaa; Niels Grarup; Arnulf Langhammer; Pål R Romundstad; Frank Skorpen; Jaakko Kaprio; Marcus R Munafò; Allan Linneberg

doi:10.1038/s41598-017-01977-w

Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium

Tea Skaaby, Amy E Taylor, Rikke K. Jacobsen, Lavinia Paternoster, Betina Heinsbaek Thuesen, Tarunveer S. Ahluwalia, Sofus C Larsen, Ang Zhou, Andrew Wong, Maiken E Gabrielsen, Johan H Bjørngaard, Claudia Flexeder, Satu Männistö, Rebecca Hardy, Diana Kuh, Sarah J Barry, Line Tang Møllehave, Charlotte Cerqueira, Nele Friedrich, Tobias N BontenRaymond Noordam, Dennis O Mook-Kanamori, Christian Taube, Leon E Jessen, Alex McConnachie, Naveed Sattar, Mark N Upton, Charles McSharry, Klaus Bønnelykke, Hans Bisgaard, Holger Schulz, Konstantin Strauch, Thomas Meitinger, Annette Peters, Harald Grallert, Ellen Aagaard Nohr, Mika Kivimaki, Meena Kumari, Uwe Völker, Matthias Nauck, Henry Völzke, Chris Power, Elina Hyppönen, Torben Hansen, Torben Jørgensen, Oluf Pedersen, Veikko Salomaa, Niels Grarup, Arnulf Langhammer, Pål R Romundstad, Frank Skorpen, Jaakko Kaprio, Marcus R Munafò, Allan Linneberg

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

34 Citationer (Scopus)

Abstract

Observational studies on smoking and risk of hay fever and asthma have shown inconsistent results. However, observational studies may be biased by confounding and reverse causation. Mendelian randomization uses genetic variants as markers of exposures to examine causal effects. We examined the causal effect of smoking on hay fever and asthma by using the smoking-associated single nucleotide polymorphism (SNP) rs16969968/rs1051730. We included 231,020 participants from 22 population-based studies. Observational analyses showed that current vs never smokers had lower risk of hay fever (odds ratio (OR) = 0·68, 95% confidence interval (CI): 0·61, 0·76; P < 0·001) and allergic sensitization (OR = 0·74, 95% CI: 0·64, 0·86; P < 0·001), but similar asthma risk (OR = 1·00, 95% CI: 0·91, 1·09; P = 0·967). Mendelian randomization analyses in current smokers showed a slightly lower risk of hay fever (OR = 0·958, 95% CI: 0·920, 0·998; P = 0·041), a lower risk of allergic sensitization (OR = 0·92, 95% CI: 0·84, 1·02; P = 0·117), but higher risk of asthma (OR = 1·06, 95% CI: 1·01, 1·11; P = 0·020) per smoking-increasing allele. Our results suggest that smoking may be causally related to a higher risk of asthma and a slightly lower risk of hay fever. However, the adverse events associated with smoking limit its clinical significance.

Originalsprog	Engelsk
Artikelnummer	2224
Tidsskrift	Scientific Reports
Vol/bind	7
Udgave nummer	1
ISSN	2045-2322
DOI	https://doi.org/10.1038/s41598-017-01977-w
Status	Udgivet - 22 maj 2017

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10.1038/s41598-017-01977-wLicens: CC BY 4.0

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5440386/pdf/41598_2017_Article_1977.pdfLicens: CC BY 4.0

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Skaaby, T., Taylor, A. E., Jacobsen, R. K., Paternoster, L., Thuesen, B. H., Ahluwalia, T. S., Larsen, S. C., Zhou, A., Wong, A., Gabrielsen, M. E., Bjørngaard, J. H., Flexeder, C., Männistö, S., Hardy, R., Kuh, D., Barry, S. J., Tang Møllehave, L., Cerqueira, C., Friedrich, N., ... Linneberg, A. (2017). Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium. Scientific Reports, 7(1), Artikel 2224. https://doi.org/10.1038/s41598-017-01977-w

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title = "Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium",

abstract = "Observational studies on smoking and risk of hay fever and asthma have shown inconsistent results. However, observational studies may be biased by confounding and reverse causation. Mendelian randomization uses genetic variants as markers of exposures to examine causal effects. We examined the causal effect of smoking on hay fever and asthma by using the smoking-associated single nucleotide polymorphism (SNP) rs16969968/rs1051730. We included 231,020 participants from 22 population-based studies. Observational analyses showed that current vs never smokers had lower risk of hay fever (odds ratio (OR) = 0·68, 95% confidence interval (CI): 0·61, 0·76; P < 0·001) and allergic sensitization (OR = 0·74, 95% CI: 0·64, 0·86; P < 0·001), but similar asthma risk (OR = 1·00, 95% CI: 0·91, 1·09; P = 0·967). Mendelian randomization analyses in current smokers showed a slightly lower risk of hay fever (OR = 0·958, 95% CI: 0·920, 0·998; P = 0·041), a lower risk of allergic sensitization (OR = 0·92, 95% CI: 0·84, 1·02; P = 0·117), but higher risk of asthma (OR = 1·06, 95% CI: 1·01, 1·11; P = 0·020) per smoking-increasing allele. Our results suggest that smoking may be causally related to a higher risk of asthma and a slightly lower risk of hay fever. However, the adverse events associated with smoking limit its clinical significance.",

keywords = "Journal Article",

author = "Tea Skaaby and Taylor, {Amy E} and Jacobsen, {Rikke K.} and Lavinia Paternoster and Thuesen, {Betina Heinsbaek} and Ahluwalia, {Tarunveer S.} and Larsen, {Sofus C} and Ang Zhou and Andrew Wong and Gabrielsen, {Maiken E} and Bj{\o}rngaard, {Johan H} and Claudia Flexeder and Satu M{\"a}nnist{\"o} and Rebecca Hardy and Diana Kuh and Barry, {Sarah J} and {Tang M{\o}llehave}, Line and Charlotte Cerqueira and Nele Friedrich and Bonten, {Tobias N} and Raymond Noordam and Mook-Kanamori, {Dennis O} and Christian Taube and Jessen, {Leon E} and Alex McConnachie and Naveed Sattar and Upton, {Mark N} and Charles McSharry and Klaus B{\o}nnelykke and Hans Bisgaard and Holger Schulz and Konstantin Strauch and Thomas Meitinger and Annette Peters and Harald Grallert and Nohr, {Ellen Aagaard} and Mika Kivimaki and Meena Kumari and Uwe V{\"o}lker and Matthias Nauck and Henry V{\"o}lzke and Chris Power and Elina Hypp{\"o}nen and Torben Hansen and Torben J{\o}rgensen and Oluf Pedersen and Veikko Salomaa and Niels Grarup and Arnulf Langhammer and Romundstad, {P{\aa}l R} and Frank Skorpen and Jaakko Kaprio and {R Munaf{\`o}}, Marcus and Allan Linneberg",

year = "2017",

month = may,

day = "22",

doi = "10.1038/s41598-017-01977-w",

language = "English",

volume = "7",

journal = "Scientific Reports",

issn = "2045-2322",

publisher = "Nature Publishing Group",

number = "1",

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Skaaby, T, Taylor, AE, Jacobsen, RK, Paternoster, L, Thuesen, BH, Ahluwalia, TS, Larsen, SC, Zhou, A, Wong, A, Gabrielsen, ME, Bjørngaard, JH, Flexeder, C, Männistö, S, Hardy, R, Kuh, D, Barry, SJ, Tang Møllehave, L, Cerqueira, C, Friedrich, N, Bonten, TN, Noordam, R, Mook-Kanamori, DO, Taube, C, Jessen, LE, McConnachie, A, Sattar, N, Upton, MN, McSharry, C, Bønnelykke, K, Bisgaard, H, Schulz, H, Strauch, K, Meitinger, T, Peters, A, Grallert, H, Nohr, EA, Kivimaki, M, Kumari, M, Völker, U, Nauck, M, Völzke, H, Power, C, Hyppönen, E, Hansen, T, Jørgensen, T, Pedersen, O, Salomaa, V, Grarup, N, Langhammer, A, Romundstad, PR, Skorpen, F, Kaprio, J, R Munafò, M & Linneberg, A 2017, 'Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium', Scientific Reports, bind 7, nr. 1, 2224. https://doi.org/10.1038/s41598-017-01977-w

TY - JOUR

T1 - Investigating the causal effect of smoking on hay fever and asthma

T2 - a Mendelian randomization meta-analysis in the CARTA consortium

AU - Skaaby, Tea

AU - Taylor, Amy E

AU - Jacobsen, Rikke K.

AU - Paternoster, Lavinia

AU - Thuesen, Betina Heinsbaek

AU - Ahluwalia, Tarunveer S.

AU - Larsen, Sofus C

AU - Zhou, Ang

AU - Wong, Andrew

AU - Gabrielsen, Maiken E

AU - Bjørngaard, Johan H

AU - Flexeder, Claudia

AU - Männistö, Satu

AU - Hardy, Rebecca

AU - Kuh, Diana

AU - Barry, Sarah J

AU - Tang Møllehave, Line

AU - Cerqueira, Charlotte

AU - Friedrich, Nele

AU - Bonten, Tobias N

AU - Noordam, Raymond

AU - Mook-Kanamori, Dennis O

AU - Taube, Christian

AU - Jessen, Leon E

AU - McConnachie, Alex

AU - Sattar, Naveed

AU - Upton, Mark N

AU - McSharry, Charles

AU - Bønnelykke, Klaus

AU - Bisgaard, Hans

AU - Schulz, Holger

AU - Strauch, Konstantin

AU - Meitinger, Thomas

AU - Peters, Annette

AU - Grallert, Harald

AU - Nohr, Ellen Aagaard

AU - Kivimaki, Mika

AU - Kumari, Meena

AU - Völker, Uwe

AU - Nauck, Matthias

AU - Völzke, Henry

AU - Power, Chris

AU - Hyppönen, Elina

AU - Hansen, Torben

AU - Jørgensen, Torben

AU - Pedersen, Oluf

AU - Salomaa, Veikko

AU - Grarup, Niels

AU - Langhammer, Arnulf

AU - Romundstad, Pål R

AU - Skorpen, Frank

AU - Kaprio, Jaakko

AU - R Munafò, Marcus

AU - Linneberg, Allan

PY - 2017/5/22

Y1 - 2017/5/22

N2 - Observational studies on smoking and risk of hay fever and asthma have shown inconsistent results. However, observational studies may be biased by confounding and reverse causation. Mendelian randomization uses genetic variants as markers of exposures to examine causal effects. We examined the causal effect of smoking on hay fever and asthma by using the smoking-associated single nucleotide polymorphism (SNP) rs16969968/rs1051730. We included 231,020 participants from 22 population-based studies. Observational analyses showed that current vs never smokers had lower risk of hay fever (odds ratio (OR) = 0·68, 95% confidence interval (CI): 0·61, 0·76; P < 0·001) and allergic sensitization (OR = 0·74, 95% CI: 0·64, 0·86; P < 0·001), but similar asthma risk (OR = 1·00, 95% CI: 0·91, 1·09; P = 0·967). Mendelian randomization analyses in current smokers showed a slightly lower risk of hay fever (OR = 0·958, 95% CI: 0·920, 0·998; P = 0·041), a lower risk of allergic sensitization (OR = 0·92, 95% CI: 0·84, 1·02; P = 0·117), but higher risk of asthma (OR = 1·06, 95% CI: 1·01, 1·11; P = 0·020) per smoking-increasing allele. Our results suggest that smoking may be causally related to a higher risk of asthma and a slightly lower risk of hay fever. However, the adverse events associated with smoking limit its clinical significance.

AB - Observational studies on smoking and risk of hay fever and asthma have shown inconsistent results. However, observational studies may be biased by confounding and reverse causation. Mendelian randomization uses genetic variants as markers of exposures to examine causal effects. We examined the causal effect of smoking on hay fever and asthma by using the smoking-associated single nucleotide polymorphism (SNP) rs16969968/rs1051730. We included 231,020 participants from 22 population-based studies. Observational analyses showed that current vs never smokers had lower risk of hay fever (odds ratio (OR) = 0·68, 95% confidence interval (CI): 0·61, 0·76; P < 0·001) and allergic sensitization (OR = 0·74, 95% CI: 0·64, 0·86; P < 0·001), but similar asthma risk (OR = 1·00, 95% CI: 0·91, 1·09; P = 0·967). Mendelian randomization analyses in current smokers showed a slightly lower risk of hay fever (OR = 0·958, 95% CI: 0·920, 0·998; P = 0·041), a lower risk of allergic sensitization (OR = 0·92, 95% CI: 0·84, 1·02; P = 0·117), but higher risk of asthma (OR = 1·06, 95% CI: 1·01, 1·11; P = 0·020) per smoking-increasing allele. Our results suggest that smoking may be causally related to a higher risk of asthma and a slightly lower risk of hay fever. However, the adverse events associated with smoking limit its clinical significance.

KW - Journal Article

U2 - 10.1038/s41598-017-01977-w

DO - 10.1038/s41598-017-01977-w

M3 - Journal article

C2 - 28533558

SN - 2045-2322

VL - 7

JO - Scientific Reports

JF - Scientific Reports

IS - 1

M1 - 2224

ER -

Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium

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