<prompt> ADAMTS-13 is a metalloproteinase. It is produced by the:Alfa cells of the pancreasOligodendrocyte in the brainStellate cells in the liverTubular epithelial cells of the kidney  <response>: Ans. C. Stellate cells in the liverADAMTS-13 is a metalloproteinase which is produced by the stellate cells of the liver. It cleaves von Willebrand factor. Therefore, when ADAMTS-13 deficiency occurs, large multimer of VWF attach to platelets and cause microcirculatory failure. 