Review Article

Novel Biomarkers for Contrast-Induced Acute Kidney Injury

Table 1

AKI biomarkers categories.

Inflammatory biomarkers:
(i) neutrophil gelatinase-associated lipocalin (NGAL)
(ii) interleukin-18 (IL-18)

Tubular proteins:
(i) kidney injury molecule-1 (KIM-1)
(ii) Na+/H+ exchanger isoform 3 (NHE3)

Surrogate markers of tubular injury:
(i) urinary low molecular weight proteins escaping reabsorption on tubular injury (cystatin C, or microglobulin, and retinol binding protein)
(ii) urinary tubular enzymes released on tubular injury (NAG N-acetyl- -D-glucosaminidase , alkaline phosphatase AP , GT gamma-glutamyl-transferase , etc.)