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  • Title: Interaction of 2-chlorodeoxyadenosine in combination either with interferons or recombinant human tumor necrosis factor alpha on myeloid progenitor cells in vitro.
    Author: Korycka A, Robak T.
    Journal: Arch Immunol Ther Exp (Warsz); 1996; 44(4):259-64. PubMed ID: 9017167.
    Abstract:
    The objective of the present study was to investigate the interactions of 2-chlorodeoxyadenosine (2-CdA) with interferon alpha or gamma (IFN-alpha, IFN-gamma), as well as between 2-CdA and recombinant human tumor necrosis factor alpha (rhTNF-alpha), on the clonal growth of granulocyte-macrophage progenitor cells (CFU-GM) from patients with chronic myeloid leukemia (CML) and on clonogenic leukemia blasts (CFU-L) from acute myeloid leukemia (AML) patients. Progenitor cell culture in semisolid medium in vitro was applied and the percentage of colony growth inhibition was evaluated. The use of 2-CdA either with IFN-alpha or IFN-gamma and 2-CdA with TNF-alpha was found to inhibit, in a dose dependent manner, the growth of colonies formed by hematopoietic precursor cells from CML and AML patients as well as from normal individuals, with the greatest effect being observed after the use of 2-CdA and IFN-alpha at their highest concentrations.
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