The rate of sister chromatid exchange in normal human bone marrow cells
β Scribed by R. Becher; C. G. Schmidt; Gabriele Theis; D. K. Hossfeld
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 193 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0340-6717
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β¦ Synopsis
Sister chromatid exchange (SCE) was studied in bone marrow cells of six healthy individuals. Compared with peripheral blood lymphocytes, a remarkably low and constant rate of SCEs was observed, ranging from 3.64 to 4.65 per metaphase.
The lower incidence of SCE can be related only partly to the higher contraction of bone marrow cells and the shorter exposure time to BUdR. Rather, a cell-specific phenomenon is suggested.
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The sister chromatid exchange (SCE) frequencies induced in bone marrow cells by in vivo irradiation with gamma rays before or after bromodeoxyuridine (BrdUrd) incorporation were compared. The frequency of SCE at different postirradiation times was also measured in bone marrow cells in vivo, irradiat
## Abstract After __In vitro__ incubation with bromodeoxyuridine (BrdUrd)βcontaining medium, metaphases of Philadelphia (Ph<1>)βchromosome positive cells in the blood and/or bone marrow of eight untreated patients with chronic myelocytic leukemia (CML) were analysed by means of sister chromatid dif