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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Vydáno v:American journal of kidney diseases Ročník 75; číslo 5; s. 753
Hlavní autoři: 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
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States 01.05.2020
Témata:
Albuminuria - epidemiology
Albuminuria - genetics
Causality
Coffee
Confounding Factors, Epidemiologic
Creatinine - blood
Dose-Response Relationship, Drug
Drinking Behavior
Genome-Wide Association Study
Glomerular Filtration Rate - drug effects
Humans
Kidney - drug effects
Kidney - physiology
Kidney Diseases - genetics
Kidney Diseases - prevention & control
Observational Studies as Topic
Polymorphism, Single Nucleotide
Sex Characteristics
United Kingdom - epidemiology
United Kingdom
albuminuria
genetic analysis
modifiable risk factor
single nucleotide polymorphism (SNP)
coffee
genome-wide association study (GWAS)
renal function
chronic kidney disease (CKD)
dietary habits
Mendelian randomisation
eGFR (estimated glomerular filtration rate)
genetic epidemiology
ISSN:1523-6838, 1523-6838
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Shrnutí: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<60mL/min/1.73m ), 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<5×10 ), 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 ) after removal of 3 SNPs responsible for significant heterogeneity (Cochran Q P = 3.5×10 ). 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. Given widespread coffee consumption and limited interventions to prevent CKD incidence and progression, this could have significant implications for global public health in view of the increasing burden of CKD worldwide.
Bibliografie:ObjectType-Article-1
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ISSN:1523-6838
1523-6838
DOI:10.1053/j.ajkd.2019.08.025