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The determination of chromosome fragile sites in the peripheral blood lymphocytes of patients with colorectal cancer taking into account the cancer pathology predisposition in the familial anamnesis

Nesina I.P., Polishchuk L.Z., Oliinichenko P.I.

 




Results of comparative study of spontaneous and 5-bromdeoxyuridine-induced fragility of peripheral blood lymphocytes chromosomes in 9 patients with colorectal adenocarcinoma were presented. It was shown the increase of average spontaneous level of chromosomal fragility in patients with tumor aggregation in family as well as without it to 4.5 +/- 1.0 and 5.3 +/- 1.1 per 100 tested cells, accordingly. The increase of average level of damaged chromosomes in spectrum of rare sites to 12.5 +/- 2.6 in the patients with tumor aggregation in pedigree comparing to the patients without oncopathology in family 8.0 +/- 1.7 was observed. The most number of rare fragile sites was observed in 1q21 site of the chromosome 1. Possible connection between fragile sites of chromosomes in normal cells and malignant processes in the patients with colorectal cancer is discussed.

Tsitologiya i Genetika 2000, vol. 34, no. 1, pp. 3-9



Nesina I.P., Polishchuk L.Z., Oliinichenko P.I. The determination of chromosome fragile sites in the peripheral blood lymphocytes of patients with colorectal cancer taking into account the cancer pathology predisposition in the familial anamnesis, Tsitol Genet., 2000, vol. 34, no. 1, pp. 3-9.




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