ANG and acute kidney injury: In addition, urinary concentration of angiogenin was determined in a cohort of 28 kidney transplant recipients with or without AKI who underwent an indication biopsy, including T cell mediated rejection (TCMR, n = 7), BK virus associated nephropathy (BKVN, n = 7), antibody-mediated rejection (ABMR, n = 7), or no lesion (n = 12).