human hematopoietic cell lines , which had been classified on the basis of studies on clonality , and morphological , chromosomal and functional parameters as lymphoblastoid cell lines ( lcl ) of presumed non-neoplastic origin , and lymphoma , myeloma and leukemia lines of proven malignant origin , were tested for tumorigenic potential on subcutaneous transplantation to nude mice and for capacity to grow in semi-solid medium in vitro .
C0018957
hematopoietic
C0026764
myeloma