human t leukemia cell lines spontaneously release into their medium a suppressor lymphokine , t leukemia-derived suppressor lymphokine ( tlsl ) , able to inhibit proliferation , dna synthesis , and colony formation in a variety of malignant hemopoietic cell lines , as well as in normal myelomonocytic progenitor cells from bone marrow and peripheral blood .
C0023418
derived
C0005953
bone marrow