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Establishment and characterization of a new cell line from human bladder cancer (JMSU1)

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Abstract

A new human bladder cancer cell line designated JMSU1 has been established from malignant ascitic fluid of a 75-year-old Japanese man with bladder cancer, and maintained in culture for more than 7 years and over 240 passages. Inverted phase-contrast microscopy revealed that JMSU1 was composed of morphologically distinct cells (polygonal to spindle-shaped cells), showing morphological heterogeneity in vitro. Histological examination of xenografts showed poorly differentiated transitional cell carcinoma, resembling the original tumor. Immunohistochemical staining for cytokeratin and electron microscopic examination suggested that JMSU1 was of epithelial origin. Chromosome analysis gave a modal number of 69 with no Y chromosome. Isozyme analysis (LDH, G6PD, and NP) showed the mobility pattern of human type B. DNA fingerprint analysis demonstrated that there was no cross-culture contamination of JMSU1 during the passages. In conclusion, a newly established and well-characterized cell line, JMSU1, offers promising material for the investigation of the biological properties of bladder cancer.

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Authors and Affiliations

  1. Department of Urology, Jichi Medical School, Minamikawachimachi, Kawachi-gun, 32904, Tochigi, Japan

    T. Morita & A. Tokue

  2. Department of Pathology, Jichi Medical School, 32904, Tochigi, Japan

    N. Shimohara

  3. Division of Genetics and Mutagenesis, National Institute of Hygienic Sciences, Tokyo, Japan

    M. Honma

Authors
  1. T. Morita
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  2. N. Shimohara
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  3. M. Honma
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  4. A. Tokue
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Morita, T., Shimohara, N., Honma, M. et al. Establishment and characterization of a new cell line from human bladder cancer (JMSU1). Urol. Res. 23, 143–149 (1995). https://doi.org/10.1007/BF00389565

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  • DOI: https://doi.org/10.1007/BF00389565

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