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  • Title: [Characteristics of the spontaneously transformed human endothelial cell line ECV304. I. Multiple chromosomal rearrangements in endothelial cells ECV304].
    Author: Iartseva NM, Fedortseva RF.
    Journal: Tsitologiia; 2008; 50(7):568-75. PubMed ID: 18771171.
    Abstract:
    Karyotype of endothelial line ECV304 cells obtained from human umbilicus vein endothelial cells was studied using G-banding chromosome staining. It has been revealed that the cells have a polyploidy karyotype with 96-112 chromosomes and multiple numerical and structural clonal rearrangements. Almost all the chromosomes of the karyotype are involved in structural rearrangements. There are several double chromosome rearrangements revealed including del(9)(p21) as well as two derivatives of chromosome 3 with the breakpoint in the locus p25 - der(3)t(3;12)(3p25;12q11- 12q24.?1) and der(3)t(3;?)(3p25). The role of these rearrangements in the immortalization of endothelial cells and sighs of transformation are discussed. In connection with the information received about the fact that the cells of ECV304 line are not endothelial cells but T24, urinary bladder cancer cells (which karyotype was studied by Hurst et al., 2000), the comparative analysis of the karyotypes of these two lines was carried out. It has been revealed that these two lines differ by all cytogenetic characteristics. Neither identical structural chromosomal rearrangements nor cell characteristic of urinary bladder cancer cells were detected. Our line ECV304 is not identical to the line T24.
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