LCN2 and acute kidney injury: The aim of the study is early detection of UTI in type1diabetic children in Minia governorate, through screening of their urine samples, measurement of high sensitive C reactive protein (hsCRP) and NGAL urinary levels (as it has a great significance in AKI) in cases with detected asymptomatic bacteriuria for early detection of AKI to prevent serious complications among this group of children and improving their quality of health.