Additionally, studies have shown that significant changes of NGAL level can be detected using only 1 μL urine after induced kidney damage in mouse.24 We found that the levels of urine NGAL were both increased in AIS patients with or without AKI; however, the urinary mALB was still normal in some AIS patients with AKI. The gene discussed is LCN2; the disease is androgen insensitivity syndrome.