Adenosylhomocysteinase (AHCY) BioAssay ELISA Kit (Human) is a sandwich enzyme immunoassay for in vitro quantitative measurement of AHCY in human tissue homogenates and other biological fluids.AHCY deficiency is one of the causes of hypermethioninemia, a rare disease affecting brain development and muscle strength. Down-regulation of AHCY is also associated with certain forms of cancer, Huntington's disease and Wilson's disease.Detection Range:0.156-10ng/mlSensitivity:0.069ng/mlStorage and Stability:Desiccation recommended. The Standard, Detection Reagent A, Detection Reagent B and the 96-well strip plate should be stored at -20°C upon receipt. Store all other reagents at 4°C. Stable for 6 months after receipt of order.