Cell-cycle kinetics of cell lines from patients with chromosomal mosaicism |
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Authors: | Bortolai A Melaragno M I |
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Institution: | Disciplina de Genética, Universidade Federal de S?o Paulo (UNIFESP), Rua Botucatu 740, 04023-900, - SP, S?o Paulo, Brazil. |
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Abstract: | Lymphocyte cultures from five patients with chromosomal mosaicism (two 47,XY,+21/46,XY, one 47,XX,+21/46,XX, one 45,X/46,XX, and one 47,XXY/46,XY) were studied using sister chromatid differential staining technique for cell kinetic evaluation. Aneuploid and normal cell lines were compared to identify changes in cellular proliferation in vitro that could be related to cellular selective advantage and cell-line-proportion changes occurring with age. Comparison of the percentage of cells in different cell generations in 48, 72, and 96 h-cultures shows no differences between the aneuploid and normal cell lines indicating that cell-cycle kinetics is similar in these cells in vitro. |
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