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  • Title: Copper(II)2(3,5-diisopropylsalicylate)4 stimulates hemopoiesis in normal and irradiated mice.
    Author: Soderberg LS, Barnett JB, Baker ML, Chang LW, Salari H, Sorenson JR.
    Journal: Exp Hematol; 1988 Aug; 16(7):577-80. PubMed ID: 3292276.
    Abstract:
    We have previously reported that copper(II)2(3,5-diisopropylsalicylate)4 (Cu-DIPS) significantly increased the survival rate of mice exposed to lethal irradiation. To examine whether Cu-DIPS affected hemopoietic activity, groups of mice were treated with Cu-DIPS or vehicle and assayed for in vitro interleukin 3 (IL-3)-dependent colony-forming units (CFU-C) and for committed progenitor granulocyte-macrophage CFU (GM-CFU). Cu-DIPS increased the number of splenic IL-3 CFU-C by five- to sixfold 7 days after treatment and splenic GM-CFU by 12-fold on day 24. These increases were accompanied by a 50% increase in spleen weight. Bone marrow IL-3 CFU-C and GM-CFU were not affected at 7 or 14 days after treatment, but were somewhat depressed at 24 days. In irradiated (8.0 Gy) mice treated with Cu-DIPS or vehicle, splenic IL-3 CFU-C and GM-CFU were undetectable 7 days after irradiation, but recovered more rapidly in Cu-DIPS-treated mice. By 24 days splenic IL-3 CFU-C in Cu-DIPS-treated mice recovered to 150% of normal (unirradiated) values and GM-CFU recovered to 270% of normal, whereas irradiated control values remained at 25% and 7%, respectively. The recovery of bone marrow hemopoiesis was slower than spleen, but 42 days after irradiation Cu-DIPS-treated mice had higher levels of bone marrow IL-3 CFU-C (eightfold) and GM-CFU (4.6-fold) than vehicle-treated mice. Cu-DIPS stimulated sixfold increases in renewable, pluripotent stem cells as measured by the in vivo assay of endogenous colony-forming units (CFU-Se).
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