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A comparison of the rate of DNA synthesis in myeloblasts from peripheral blood and bone marrows of patients with acute nonlymphocytic leukemia

Journal Article · · Experimental Cell Research; (United States)
; ;  [1]
  1. Roswell Park Memorial Institute, Buffalo, NY (USA)
Durations of S-phase (T{sub s}) and total cell cycle times (T{sub c}) were measured from the peripheral blood (PB) and bone marrow aspirates (BM) of five patients with acute nonlymphocytic leukemia (ANLL). Intravenous bromodeoxyuridine (BrdU) was used as the first label for S-phase cells and a monoclonal anti-BrdU antibody was used to detect the positive cells. Tritiated thymidine (({sup 3}H)Tdr) was used as a second label in vitro, and the T{sub s} was calculated by counting the number of cells labeled either by BrdU or by ({sup 3}H)Tdr or by both. The data demonstrate that the duration of S-phase in myeloblasts obtained from BM is quite similar to that of circulating leukemic cells. Finally, the most accurate assessment of percentage of myeloblasts actively engaged in DNA synthesis can be obtained only from bone marrow biopsies following in vivo labeling.
OSTI ID:
5451436
Journal Information:
Experimental Cell Research; (United States), Journal Name: Experimental Cell Research; (United States) Vol. 175:2; ISSN ECREA; ISSN 0014-4827
Country of Publication:
United States
Language:
English