Assessing the genetic relationship between gastroesophageal reflux disease and chronic respiratory diseases: a mendelian randomization study
Background Previous observational studies have found an association between gastroesophageal reflux disease (GERD) and chronic respiratory diseases, but it remains uncertain whether GERD causally influences these diseases. In this study, we aimed to estimate the causal associations between GERD and 5 chronic respiratory diseases. Methods 88 GERD-associated single nucleotide polymorphisms (SNPs) identified by the latest genome-wide association study were included as instrumental variables. Individual-level genetic summary data of participants were obtained from corresponding studies and the FinnGen consortium. We applied the inverse-variance weighted method to estimate the causality between genetically predicted GERD and 5 chronic respiratory diseases. Furthermore, the associations between GERD and common risk factors were investigated, and mediation analyses were conducted using multivariable MR. Various sensitivity analyses were also performed to verify the robustness of the findings. Results Our study demonstrated that genetically predicted GERD was causally associated with an increased risk of asthma (OR 1.39, 95%CI 1.25–1.56, P < 0.001), idiopathic pulmonary fibrosis (IPF) (OR 1.43, 95%CI 1.05–1.95, P = 0.022), chronic obstructive disease (COPD) (OR 1.64, 95%CI 1.41–1.93, P < 0.001), chronic bronchitis (OR 1.77, 95%CI 1.15–2.74, P = 0.009), while no correlation was observed for bronchiectasis (OR 0.93, 95%CI 0.68–1.27, P = 0.645). Additionally, GERD was associated with 12 common risk factors for chronic respiratory diseases. Nevertheless, no significant mediators were discovered. Conclusions Our study suggested that GERD was a causal factor in the development of asthma, IPF, COPD and chronic bronchitis, indicating that GERD-associated micro-aspiration of gastric contents process might play a role in the development of pulmonary fibrosis in these diseases..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:23 |
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| Enthalten in: |
BMC pulmonary medicine - 23(2023), 1 vom: 04. Juli |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Cheng, Xiaoxue [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Themen: |
Causality |
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| Anmerkungen: |
© The Author(s) 2023 |
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| doi: |
10.1186/s12890-023-02502-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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SPR052148459 |
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| 520 | |a Background Previous observational studies have found an association between gastroesophageal reflux disease (GERD) and chronic respiratory diseases, but it remains uncertain whether GERD causally influences these diseases. In this study, we aimed to estimate the causal associations between GERD and 5 chronic respiratory diseases. Methods 88 GERD-associated single nucleotide polymorphisms (SNPs) identified by the latest genome-wide association study were included as instrumental variables. Individual-level genetic summary data of participants were obtained from corresponding studies and the FinnGen consortium. We applied the inverse-variance weighted method to estimate the causality between genetically predicted GERD and 5 chronic respiratory diseases. Furthermore, the associations between GERD and common risk factors were investigated, and mediation analyses were conducted using multivariable MR. Various sensitivity analyses were also performed to verify the robustness of the findings. Results Our study demonstrated that genetically predicted GERD was causally associated with an increased risk of asthma (OR 1.39, 95%CI 1.25–1.56, P < 0.001), idiopathic pulmonary fibrosis (IPF) (OR 1.43, 95%CI 1.05–1.95, P = 0.022), chronic obstructive disease (COPD) (OR 1.64, 95%CI 1.41–1.93, P < 0.001), chronic bronchitis (OR 1.77, 95%CI 1.15–2.74, P = 0.009), while no correlation was observed for bronchiectasis (OR 0.93, 95%CI 0.68–1.27, P = 0.645). Additionally, GERD was associated with 12 common risk factors for chronic respiratory diseases. Nevertheless, no significant mediators were discovered. Conclusions Our study suggested that GERD was a causal factor in the development of asthma, IPF, COPD and chronic bronchitis, indicating that GERD-associated micro-aspiration of gastric contents process might play a role in the development of pulmonary fibrosis in these diseases. | ||
| 650 | 4 | |a Gastroesophageal reflux disease |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Chronic respiratory diseases |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Mendelian randomization |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Genetic |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Causality |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Zhang, Ding |4 aut | |
| 700 | 1 | |a Li, Caichen |4 aut | |
| 700 | 1 | |a Xu, Haoxiang |4 aut | |
| 700 | 1 | |a He, Jianxing |4 aut | |
| 700 | 1 | |a Liang, Wenhua |4 aut | |
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