MRC2 and osteosarcoma: In contrast, high expression levels of uPARAP are found on malignant cells of various non-epithelial cancers, including osteosarcomas and soft tissue sarcomas [11, 12], glioblastoma multiforme (GBM) [13, 14] and subtypes of acute myeloid leukemia (AML) (http://servers.binf.ku.dk/bloodspot/, see ref. [15]).