Microhematuria was more recognizable in Crb2fl/flpod-CreTg/+ mice than in Crb2+/+pod-CreTg/+ or Crb2fl/fl mice (0.83 ± 0.68 vs. 0 ± 0 or 0 ± 0, P = 0.0083) (Fig. 2a). Here, CRB2 is linked to Microscopic hematuria.