This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Marker of acute kidney injury all except 
Select and explain. 
A. Clusterin, B. Osteopontin, C. Alanine aminopeptidase, D. Acid phosphatase
D: Acid phosphatase
Answer: D: Acid phosphatase 
Explanation: Ans. is 'd' i.e., Acid phosphatase Alanine aminopeptidase (AAP) Kidney injury molecule-1 (KIM-1) Alkaline phosphatase (AP) Clusterin utathione-S-transferase (a-GST) Neutrophil gelatinase associated lipocalin (NGAL) yglutamyl transpeptidase (TGT) Interleukin-18 (IL-18) N-acetyl-0-glucosaminidase (NAG) Cysteine-rich protein (CYR-61) 2-microglobulin Osteopontin (OPN) microglobulin o Retinol-binding protein (RBP) Fatty acid binding protein (FABP Cystatin C Sodium/hydrogen exchanger isoform (NHE3) o Microalbumin Exosomal fetuin-A