Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations

BackgroundNumerous observational studies have shown a potential association between metabolic dysfunction-associated steatotic liver disease (MASLD) and gastroesophageal reflux disease (GERD). However, causality is unclear. This study utilized genome-wide association study (GWAS) genetic data to exp...

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Main Authors: Chen’guang Su, Zheng Liao, Hewen Li, Yinxuan Pei, Zixiang Wang, Jian Li, Jinlong Liu
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-12-01
Series:Frontiers in Genetics
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Online Access:https://www.frontiersin.org/articles/10.3389/fgene.2024.1428334/full
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author Chen’guang Su
Zheng Liao
Hewen Li
Yinxuan Pei
Zixiang Wang
Jian Li
Jinlong Liu
Jinlong Liu
author_facet Chen’guang Su
Zheng Liao
Hewen Li
Yinxuan Pei
Zixiang Wang
Jian Li
Jinlong Liu
Jinlong Liu
author_sort Chen’guang Su
collection DOAJ
description BackgroundNumerous observational studies have shown a potential association between metabolic dysfunction-associated steatotic liver disease (MASLD) and gastroesophageal reflux disease (GERD). However, causality is unclear. This study utilized genome-wide association study (GWAS) genetic data to explore the causal relationship between MASLD and GERD in European and East Asian populations.MethodsThis study utilized a bidirectional, two-sample Mendelian randomization (MR) approach. All disease data were obtained from the GWAS database, and single nucleotide polymorphisms strongly associated with exposure were selected as instrumental variables. The inverse variance weighted (IVW) method is primarily utilized to evaluate the causal relationship between exposure and outcome. Finally, sensitivity analyses were performed to ensure the robustness of the results.ResultsThe IVW estimates indicated that non-alcoholic fatty liver disease (NAFLD) (odds ratio (OR) = 1.054, 95% confidence interval (CI), 0.966–1.150, p = 0.236) and percent liver fat (OR = 0.977, 95% CI, 0.937–1.018, p = 0.258) in European population were not linked to a higher risk of GERD. However, GERD in European population was associated with an increased risk of NAFLD (OR = 1.485, 95% CI, 1.274–1.729, p < 0.001) and percent liver fat (OR = 1.244, 95% CI, 1.171–1.321, p < 0.001). In addition, the IVW analysis in East Asian population showed that alanine aminotransferase (ALT) was associated with an increased risk of GERD (OR = 2.305, 95% CI, 1.241–4.281, p = 0.008), whereas aspartate aminotransferase (AST) had no causal effects on GERD risk (OR = 0.973, 95% CI, 0.541–1.749, p = 0.926). Furthermore, the associations between GERD and ALT (OR = 1.007, 95% CI, 0.998–1.015, p = 0.123) or AST (OR = 1.004, 95% CI, 0.997–1.012, p = 0.246) were not significant. After removing outliers, a significant correlation between GERD and ALT was observed (OR = 1.009, 95% CI, 1.001–1.016, p = 0.020).ConclusionThere was reverse causality between MASLD and GERD in European population, while there was bidirectional causality between a proxie for MASLD (ALT) and GERD in East Asian population. This study can provide novel insights into cross-ethnic genetic research on MASLD and GERD.
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spelling doaj-art-c771633b6a574256a8d7fc2c1f88e0822024-12-05T06:28:48ZengFrontiers Media S.A.Frontiers in Genetics1664-80212024-12-011510.3389/fgene.2024.14283341428334Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populationsChen’guang Su0Zheng Liao1Hewen Li2Yinxuan Pei3Zixiang Wang4Jian Li5Jinlong Liu6Jinlong Liu7Department of Hepatobiliary Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaDepartment of Hepatobiliary Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaDepartment of Minimally Invasive Spine Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaDepartment of Hepatobiliary Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaDepartment of Hepatobiliary Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaDepartment of Hepatobiliary Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaDepartment of Hepatobiliary Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, ChinaHebei Key Laboratory of Panvascular Diseases, Chengde, Hebei, ChinaBackgroundNumerous observational studies have shown a potential association between metabolic dysfunction-associated steatotic liver disease (MASLD) and gastroesophageal reflux disease (GERD). However, causality is unclear. This study utilized genome-wide association study (GWAS) genetic data to explore the causal relationship between MASLD and GERD in European and East Asian populations.MethodsThis study utilized a bidirectional, two-sample Mendelian randomization (MR) approach. All disease data were obtained from the GWAS database, and single nucleotide polymorphisms strongly associated with exposure were selected as instrumental variables. The inverse variance weighted (IVW) method is primarily utilized to evaluate the causal relationship between exposure and outcome. Finally, sensitivity analyses were performed to ensure the robustness of the results.ResultsThe IVW estimates indicated that non-alcoholic fatty liver disease (NAFLD) (odds ratio (OR) = 1.054, 95% confidence interval (CI), 0.966–1.150, p = 0.236) and percent liver fat (OR = 0.977, 95% CI, 0.937–1.018, p = 0.258) in European population were not linked to a higher risk of GERD. However, GERD in European population was associated with an increased risk of NAFLD (OR = 1.485, 95% CI, 1.274–1.729, p < 0.001) and percent liver fat (OR = 1.244, 95% CI, 1.171–1.321, p < 0.001). In addition, the IVW analysis in East Asian population showed that alanine aminotransferase (ALT) was associated with an increased risk of GERD (OR = 2.305, 95% CI, 1.241–4.281, p = 0.008), whereas aspartate aminotransferase (AST) had no causal effects on GERD risk (OR = 0.973, 95% CI, 0.541–1.749, p = 0.926). Furthermore, the associations between GERD and ALT (OR = 1.007, 95% CI, 0.998–1.015, p = 0.123) or AST (OR = 1.004, 95% CI, 0.997–1.012, p = 0.246) were not significant. After removing outliers, a significant correlation between GERD and ALT was observed (OR = 1.009, 95% CI, 1.001–1.016, p = 0.020).ConclusionThere was reverse causality between MASLD and GERD in European population, while there was bidirectional causality between a proxie for MASLD (ALT) and GERD in East Asian population. This study can provide novel insights into cross-ethnic genetic research on MASLD and GERD.https://www.frontiersin.org/articles/10.3389/fgene.2024.1428334/fullmetabolic dysfunction-associated steatotic liver diseasegastroesophageal reflux diseasemendelian randomizationcausal effectgenome-wide association studies
spellingShingle Chen’guang Su
Zheng Liao
Hewen Li
Yinxuan Pei
Zixiang Wang
Jian Li
Jinlong Liu
Jinlong Liu
Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations
Frontiers in Genetics
metabolic dysfunction-associated steatotic liver disease
gastroesophageal reflux disease
mendelian randomization
causal effect
genome-wide association studies
title Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations
title_full Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations
title_fullStr Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations
title_full_unstemmed Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations
title_short Metabolic dysfunction-associated steatotic liver disease and gastroesophageal reflux disease: a mendelian randomization study in European and East Asian populations
title_sort metabolic dysfunction associated steatotic liver disease and gastroesophageal reflux disease a mendelian randomization study in european and east asian populations
topic metabolic dysfunction-associated steatotic liver disease
gastroesophageal reflux disease
mendelian randomization
causal effect
genome-wide association studies
url https://www.frontiersin.org/articles/10.3389/fgene.2024.1428334/full
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