The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
Colony-Forming Cells in Culture and Colony-Stimulating Activity of the Urine and the Serum in a Case of Cyclic Neutropenia
HIDEAKI MIZOGUCHISHIN CHIYODAYASUSADA MIURAFUMIMARO TAKAKUSHIGETAKA ASANOSHIGETOH SUZUKIAKIO URABESHOZO CHIBAKINORI KOSAKASHIRO MIWA
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1976 Volume 119 Issue 4 Pages 317-324

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Abstract
A 22-year-old female with cyclic neutropenia was studied. Her bone marrow cells showed high colony-forming activity in soft agar through the cycle, though there were slight fluctuations in the number and the shape of colonies. On the other hand, the peak of urinary colony-stimulating activity (CSA) occurred at the neutropenic stage. The dialyzed serum showed two peaks of CSA, i. e., at the peak and the valley of the neutrophil count, although the undialyzed serum showed only one peak at the neutropenic stage. It is suggested on the basis of these data that humoral factors may play a role in maintaining the neutrophil cycle.
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© Tohoku University Medical Press
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