Sister chromatid exchanges and chromosomes in chronic myelogenous leukemia and cancer families

Wind‐Show ‐S Cheng, John J. Mulvihill, Mark H. Greene, Linda W. Pickle, Shien Tsai, Jacqueline Whang‐Peng

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38 引文 斯高帕斯(Scopus)


Spontaneouas sister chromatid exchanges and banded karyotypes were studied in blood lymphocytes from 96 individuals: seven patients with chronic myelogenous leukemia, 15 normal controls, and five “cancer families” comprising 12 cancer patients, 40 tumor‐free blood relatives and 22 spouses. The families had: malignant melanoma; Epstein‐Barr virus‐associated malignancies and a birth defect syndrome; non‐Hodgkin lymphoma and diverse carcinomas; Hodgkin's lymphoma and adenocarcinomas; and acute myelogenous leukemia. In addition to the Philadelphia chromosome in chronic myelogenous leukemia patients, karyotypic abnormalities, especially breaks and fragments, were found in 29% of cancer family members, but were inconsistent and usually attributable to radiotherapy. Mean sister chromatid exchange values were normal in chronic myelogenous leukemia, but low (by t‐test) in tumor patients and their blood relatives in cancer‐prone families. In tumor patients, mean sister chromatid exchange levels fell as age increased. After adjusting for this age effect, no significant differences remained among groups. In patients at high risk of cancer (because they have chronic myelogenous leukemia or a strong family history of cancer), spontaneous sister chromatid exchange rates were not a marker of cancer risk.
頁(從 - 到)8-13
期刊International Journal of Cancer
出版狀態已發佈 - 1月 1 1979

ASJC Scopus subject areas

  • 腫瘤科
  • 癌症研究


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