Human bile duct carcinoma cell line producing abundant mucinin vitro (original) (raw)

Summary

A human bile duct carcinoma cell line, designated OZ, was established from ascitic effusion of a patient who suffered from obstructive jaundice due to the clogging of the common bile duct with mucinous substances secreted by the cancer cells. OZ was found to be capable of producing mucin in vitro and pools of mucin were macroscopically identified on the monolayer of the cells. On the electron micrographs, cell coat type mucin and abundant intracytoplasmic desmosomes were observed. The OZ cells secreted cardnoembryonic antigen in culture and had high enzymatic activity of γ-glutamyl transpeptidase. The tumor heterotransplanted into nude mice also showed mucin production.

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Authors and Affiliations

  1. First Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minatoku, 105, Tokyo, Japan
    Sadamu Homma M.D., Scishi Nagamori M.D., Kiyotaka Fujise M.D., Kazunobu Yamazaki M.D., Satoshi Hasumura M.D., Hajime Sujino M.D., Tomokazu Matsuura M.D., Keiichiro Shimizu M.D. & Haruo Kameda M.D.
  2. Department of Pathology, The Jikei University School of Medicine, 105, Tokyo, Japan
    Keizo Takaki M.D.

Authors

  1. Sadamu Homma M.D.
  2. Scishi Nagamori M.D.
  3. Kiyotaka Fujise M.D.
  4. Kazunobu Yamazaki M.D.
  5. Satoshi Hasumura M.D.
  6. Hajime Sujino M.D.
  7. Tomokazu Matsuura M.D.
  8. Keiichiro Shimizu M.D.
  9. Haruo Kameda M.D.
  10. Keizo Takaki M.D.

Additional information

This study was supported in part by a Grant-in-Aid for cancer research (58-19) form the Ministry of Health and Welfare.

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Homma, S., Nagamori, S., Fujise, K. et al. Human bile duct carcinoma cell line producing abundant mucin_in vitro_ .Gastroenterol Jpn 22, 474–479 (1987). https://doi.org/10.1007/BF02773816

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