The frequency of sister chromatid exchanges (SCEs) in the centromere of chromosomes involved in a whole-arm translocation t(1:19) was evaluated in altogether 911 metaphases of translocation carriers (n = 5) and of normal controls (n = 6). Comparison of the two groups reveals no significant differenc
Sister chromatid exchanges in balanced translocation carriers and in patients with unbalanced karyotypes
β Scribed by C. Stoll; D. S. Borgaonkar; P. Bigel
- Publisher
- Springer
- Year
- 1977
- Tongue
- English
- Weight
- 322 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0340-6717
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β¦ Synopsis
Sister chromatid exchanges (SCEs) were studied in peripheral human leukocytes from 16 patients with balanced translocations or with unbalanced karyotypes, and from 4 controls. No difference was seen between these two groups of people in the mean number of SCEs per cell, or in the total number of SCEs observed for each pair of autosomes involved in the translocations studied. With this last number no difference from the expected number of SCEs, if one supposes that SCEs follow a random distribution, was seen.
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The effect of benzpyrene on sister chromatid exchange was determined in PHA-stimulated lymphocytes of 18 patients with lung cancer and 11 controls without cancer or bronchopulmonary diseases. Patients and controls did not differ either with respect to the spontaneous rate of sister chromatid exchang
Sister chromatid exchange (SCE) frequencies were studied in differentially stained lymphocytes from 47 patients with malignant lymphoma. Thirteen patients were untreated when studied. The mean SCE frequency [+/- standard error (SE)] for these patients was 12.7 +/- 0.9 per mitosis. The mean score for