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T Nagao, K Yamauchi and M Komatsuda
Human fibroblast colony formation from bone marrow was performed in liquid
culture. Fetal calf serum was used as a stimulator of the fibroblast colony
formation. The colony formation took place not only in normal donors, but
also in patients with acute leukemia and chronic myelocytic leukemia. At
the diagnosis of the disease, significant colony suppression was observed
in most cases of acute leukemia, while the number of colonies increased in
half of the cases of chronic myelocytic leukemia. However, there was no
correlation between the colony-forming efficiency and the initial number of
peripheral platelets or bone marrow megakaryocytes that contained
growth-promoting factor. The number of colonies increased after
chemotherapy, recovered at the stage of complete remission, and then
decreased to low levels at relapse in the patients with acute leukemia; it
decreased after treatment with busulfan in the patients with chronic
myelocytic leukemia. This fibroblast culture method is useful for counting
fibroblast colony-forming cells in the bone marrow of human leukemia.
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| Copyright © 1983 by American Society of Hematology Online ISSN: 1528-0020 | |||||||||