Coffee Consumption and Kidney Function: A Mendelian Randomization Study

Chronic kidney disease (CKD) is a leading cause of morbidity and mortality worldwide, with limited strategies for prevention and treatment. Coffee is a complex mixture of chemicals, and consumption has been associated with mostly beneficial health outcomes. This work aimed to determine the impact of...

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Veröffentlicht in:American journal of kidney diseases 2020-05, Vol.75 (5), p.753-761
Hauptverfasser: Kennedy, Oliver J., Pirastu, Nicola, Poole, Robin, Fallowfield, Jonathan A., Hayes, Peter C., Grzeszkowiak, Eryk J., Taal, Maarten W., Wilson, James F., Parkes, Julie, Roderick, Paul J.
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container_issue 5
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container_title American journal of kidney diseases
container_volume 75
creator Kennedy, Oliver J.
Pirastu, Nicola
Poole, Robin
Fallowfield, Jonathan A.
Hayes, Peter C.
Grzeszkowiak, Eryk J.
Taal, Maarten W.
Wilson, James F.
Parkes, Julie
Roderick, Paul J.
description Chronic kidney disease (CKD) is a leading cause of morbidity and mortality worldwide, with limited strategies for prevention and treatment. Coffee is a complex mixture of chemicals, and consumption has been associated with mostly beneficial health outcomes. This work aimed to determine the impact of coffee consumption on kidney function. Genome-wide association study (GWAS) and Mendelian randomization. UK Biobank baseline data were used for a coffee consumption GWAS and included 227,666 participants. CKDGen Consortium data were used for kidney outcomes and included 133,814 participants (12,385 cases of CKD) of mostly European ancestry across various countries. Coffee consumption. Estimated glomerular filtration rate (eGFR), CKD GFR categories 3 to 5 (G3-G5; eGFR
doi_str_mv 10.1053/j.ajkd.2019.08.025
format Article
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Coffee is a complex mixture of chemicals, and consumption has been associated with mostly beneficial health outcomes. This work aimed to determine the impact of coffee consumption on kidney function. Genome-wide association study (GWAS) and Mendelian randomization. UK Biobank baseline data were used for a coffee consumption GWAS and included 227,666 participants. CKDGen Consortium data were used for kidney outcomes and included 133,814 participants (12,385 cases of CKD) of mostly European ancestry across various countries. Coffee consumption. Estimated glomerular filtration rate (eGFR), CKD GFR categories 3 to 5 (G3-G5; eGFR&lt;60mL/min/1.73m2), and albuminuria. GWAS to identify single-nucleotide polymorphisms (SNPs) associated with coffee consumption in UK Biobank and use of those SNPs in Mendelian randomization analyses of coffee consumption and kidney outcomes in CKDGen. 2,126 SNPs were associated with coffee consumption (P&lt;5×10−8), 25 of which were independent and available in CKDGen. Drinking an extra cup of coffee per day conferred a protective effect against CKD G3-G5 (OR, 0.84; 95% CI, 0.72-0.98; P=0.03) and albuminuria (OR, 0.81; 95% CI, 0.67-0.97; P=0.02). An extra cup was also associated with higher eGFR (β=0.022; P=1.6×10−6) after removal of 3 SNPs responsible for significant heterogeneity (Cochran Q P = 3.5×10−15). Assays used to measure creatinine and albumin varied between studies that contributed data and a sex-specific definition was used for albuminuria rather than KDIGO guideline recommendations. This study provides evidence of a beneficial effect of coffee on kidney function. 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GWAS to identify single-nucleotide polymorphisms (SNPs) associated with coffee consumption in UK Biobank and use of those SNPs in Mendelian randomization analyses of coffee consumption and kidney outcomes in CKDGen. 2,126 SNPs were associated with coffee consumption (P&lt;5×10−8), 25 of which were independent and available in CKDGen. Drinking an extra cup of coffee per day conferred a protective effect against CKD G3-G5 (OR, 0.84; 95% CI, 0.72-0.98; P=0.03) and albuminuria (OR, 0.81; 95% CI, 0.67-0.97; P=0.02). An extra cup was also associated with higher eGFR (β=0.022; P=1.6×10−6) after removal of 3 SNPs responsible for significant heterogeneity (Cochran Q P = 3.5×10−15). Assays used to measure creatinine and albumin varied between studies that contributed data and a sex-specific definition was used for albuminuria rather than KDIGO guideline recommendations. This study provides evidence of a beneficial effect of coffee on kidney function. 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Coffee is a complex mixture of chemicals, and consumption has been associated with mostly beneficial health outcomes. This work aimed to determine the impact of coffee consumption on kidney function. Genome-wide association study (GWAS) and Mendelian randomization. UK Biobank baseline data were used for a coffee consumption GWAS and included 227,666 participants. CKDGen Consortium data were used for kidney outcomes and included 133,814 participants (12,385 cases of CKD) of mostly European ancestry across various countries. Coffee consumption. Estimated glomerular filtration rate (eGFR), CKD GFR categories 3 to 5 (G3-G5; eGFR&lt;60mL/min/1.73m2), and albuminuria. GWAS to identify single-nucleotide polymorphisms (SNPs) associated with coffee consumption in UK Biobank and use of those SNPs in Mendelian randomization analyses of coffee consumption and kidney outcomes in CKDGen. 2,126 SNPs were associated with coffee consumption (P&lt;5×10−8), 25 of which were independent and available in CKDGen. Drinking an extra cup of coffee per day conferred a protective effect against CKD G3-G5 (OR, 0.84; 95% CI, 0.72-0.98; P=0.03) and albuminuria (OR, 0.81; 95% CI, 0.67-0.97; P=0.02). An extra cup was also associated with higher eGFR (β=0.022; P=1.6×10−6) after removal of 3 SNPs responsible for significant heterogeneity (Cochran Q P = 3.5×10−15). Assays used to measure creatinine and albumin varied between studies that contributed data and a sex-specific definition was used for albuminuria rather than KDIGO guideline recommendations. This study provides evidence of a beneficial effect of coffee on kidney function. 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subjects albuminuria
Albuminuria - epidemiology
Albuminuria - genetics
Causality
chronic kidney disease (CKD)
Coffee
Confounding Factors, Epidemiologic
Creatinine - blood
dietary habits
Dose-Response Relationship, Drug
Drinking Behavior
eGFR (estimated glomerular filtration rate)
genetic analysis
genetic epidemiology
Genome-Wide Association Study
genome-wide association study (GWAS)
Glomerular Filtration Rate - drug effects
Humans
Kidney - drug effects
Kidney - physiology
Kidney Diseases - genetics
Kidney Diseases - prevention & control
Life Sciences & Biomedicine
Mendelian randomisation
modifiable risk factor
Observational Studies as Topic
Polymorphism, Single Nucleotide
renal function
Science & Technology
Sex Characteristics
single nucleotide polymorphism (SNP)
United Kingdom - epidemiology
Urology & Nephrology
title Coffee Consumption and Kidney Function: A Mendelian Randomization Study
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