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Establishment and characterization of a novel Philadelphia-chromosome positive chronic myeloid leukemia cell line, TCC-S, expressing P210 and P190 BCR/ABL transcripts but missing normal ABL gene

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Abstract

A novel Philadelphia-chromosome positive (Ph+) cell line, TCC-S, has been established from a patient with Ph+ chronic myeloid leukemia (CML) in the blastic crisis. TCC-S cells were shown to express both P210 and P190 BCR/ABL transcripts by reverse transcriptase-polymerase chain reaction (PCR), although quantitative-PCR revealed that TCC-S cells mainly expressed P210 BCR/ABL transcript. Karyotype analysis revealed several triploid clones which constantly harbored two der(9)del(9)(p12)t(9;22)(q34;q11)s and two del(9)(q21)s. The der(9)del(9)(p12)t(9;22)(q34;q11) is rarely found in other CML cell lines. Moreover, to the best of our knowledge, del(9)(q21) resulting in missing of a restrict region including normal ABL gene has not been found among CML cell lines previously described. Thus, TCC-S cells with only BCR/ABL gene and no normal ABL gene may be a useful tool for functional study of ABL in Ph+ CML.

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Correspondence to Yuko Sato.

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Van Thanh, P.N., Xinh, P.T., Kano, Y. et al. Establishment and characterization of a novel Philadelphia-chromosome positive chronic myeloid leukemia cell line, TCC-S, expressing P210 and P190 BCR/ABL transcripts but missing normal ABL gene. Hum Cell 18, 25–33 (2005). https://doi.org/10.1111/j.1749-0774.2005.tb00054.x

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  • DOI: https://doi.org/10.1111/j.1749-0774.2005.tb00054.x

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