PKD1 and cystic kidney disease: While the value of the reported flow cytometry analyses is limited by the relatively small size of ADPKD (n = 6) and non‐ADPKD cohorts (n = 7) that were not optimally matched by gender and race, the presented data are consistent with similar increases in intrarenal T cell subclasses in mouse cystic kidney disease models including the Pkd1 p.R3277C (Pkd1RC/RC) mouse that mimics human ADPKD phenotype (Kleczko et al.