Black ethnicity is a major risk factor for chronic kidney disease \[CKD\] in people with HIV infection, suggesting that genetic factors are an important determinant of kidney disease progression in this population. The Gen-Africa study was established in 2018 to allow the study of genetic and clinical risk factors for CKD in people with HIV in the UK. Just over 3000 people across 15 sites were enrolled between May 2018 and January 2020. Demographic and clinical information was collected, and biological samples (buffy coats, plasma and urine) obtained. Cross-sectional analyses have revealed that participants of West-African ancestry are at higher risk of CKD and end-stage kidney disease \[ESKD\], and that genetic variants in the apolipoprotein L1 (APOL1) gene and sickle cell trait (SCT) are predictors of CKD and ESKD. The pathogenesis of APOL1- and SCT-associated CKD is incompletely understood, and additional, longitudinal data will be collected to improve understanding of the contribution of demographic, traditional CKD (diabetes, hypertension, obesity/metabolic syndrome, cardiovascular disease) and HIV (immuno-virological and hepatitis B/C co-infection status, antiretroviral medications) risk factors as well as additional genetic and epigenetic markers.
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Kidney disease
Timeframe: 2018-2030