CD10 (Cluster of Differentiation 10) is a zinc-dependent metalloprotease enzyme that degrades a number of small secreted peptides. This antibody is used in detection of childhood leukemia and a variety of B-cell lymphomas. Moreover, it reatcs with glomerular epithelial cells, the brush border of the proximal tubules and other non-lymphoid cells like breast myoepithelial cells, bile canaliculi, neutrophils and a small population of bone marrow cells, fetal small intestine epithelium and normal fibroblasts.