LCN2 and acute kidney injury: Measurement of urine or blood biomarkers such as neutrophil gelatinase-associated lipocalin (NGAL), cystatin C, interleukin 18 (IL-18), and kidney injury molecule 1 (KIM)-1 immediately after transplantation for early prediction of acute kidney injury (AKI) have been proposed as the most promising biomarkers [9].