Objective: To determine whether a gout polygenic risk score (PRS) is associated with age at gout onset and tophaceous disease in European, East Polynesian, and West Polynesian men and women with gout.
Methods: A 19-variant gout PRS was produced in 7 European gout cohorts (N = 4,016), 2 East Polynesian gout cohorts (N = 682), and 1 West Polynesian gout cohort (N = 490). Sex-stratified regression models were used to estimate the relationship between the PRS and age at gout onset and tophaceous disease.
Gout is the most common inflammatory arthritis in men with a rising incidence worldwide. It is a metabolic disease caused by hyperuricemia. Common causes of hyperuricemia, in addition to hereditary reduced renal excretion of urate, include purine over-nutrition, aging, comorbidities and associated medications, some of which increase serum urate levels.
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