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    Cancer Genet Cytogenet. 1993 Jun;67(2):101-7.

    Karyotype and FISH analysis of a newly established cell line derived from a human bladder carcinoma.

    Source

    Laboratoire d'Histologie-Embryologie-Cytogénétique, Faculté de Médecine de Clermont-Ferrand, France.

    Abstract

    A new human malignant urologic cell line was established in vitro from a moderately differentiated transitional cell carcinoma of the bladder and cytogenetically characterized. Repeated chromosome analyses of the cell line using conventional RHG and GTG banding and non-radioactive in situ hybridization showed a stable karyotype with a modal number of 48 and chromosomal rearrangements, some of which have not been previously described. Numerical deviation included three trisomies (+7, +8, +9) and one nullisomy (-19, -19). Structural changes involved a balanced translocation (1;5)(q12;q12), an isochromosome 3q, a 14p+, and two markers. Fluorescence in situ hybridization (FISH), using biotin-labeled alpha satellite probes for chromosome 9 or painting for chromosomes 1 and 8, applied to interphase nuclei or metaphases showed similar results to those found by conventional cytogenetic study. This cell line may be an interesting model for fuller characterization by molecular biology studies and for testing anti-cancer drugs in vitro.

    PMID:
    8330265
    [PubMed - indexed for MEDLINE]

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