SLC22A12 and COVID-19: In a small series of 5 kidney autopsy samples from patients who died of COVID-19, confocal microscopy suggested a reduction in the expression of URAT1 as compared to control kidneys (mean relative maximal intensity 0.21 ± 0.12 vs. 1.00 ± 0.27, P = 0.001) (Additional file 1: Fig. S3).