mcd99study mht be useful for further studies of mCD99 function. Materials and Methods Cloning of expression vectors The previously cloned mCD99 (Park et al., 2005) was subcloned intoWhen anti-mCD99 levels are hh, tumor cells are injected subcutaneously into the left flank of the mice (red arrow). Tumors are allowed to grow 3-4 weeks before the mice