Human T Cell Leukemia-Lymphoma Cell Lines and Granulocyte-Macrophage Colony Stimulating Activity

Abstract
Some 13 human T cell leukemia-lymphoma [lymphoblastoid] cell lines [CCRF-CEM, CCRF-HSB-2, MOLT-4, RPMI 8402, HPB-ALL, JM, DND-41, HPB-MLT, TALL-1, Peer HD-Mar 2, SKW-3, 1022] were examined to determine whether or not they released a product into the media in which they were growing which could stimulate granulocyte-macrophage colony formation by human hemopoietic cells. No cell line studied released colony stimulating activity.
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