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  • Title: Establishment of cultured cell lines derived from a human gastric carcinoma.
    Author: Sekiguchi M, Sakakibara K, Fujii G.
    Journal: Jpn J Exp Med; 1978 Feb; 48(1):61-8. PubMed ID: 209229.
    Abstract:
    A human gastric carcinoma cell line, KATO-II, and its subline, KATO-III, have been established in vitro from a pleural effusion of a 55-year-old male patient. Kato-II cells have been maintained using a culture medium containing human cord serum and KATO-III cells have been cultured with a medium containing fetal bovine serum. Both cell lines are morphologically quite similar; they grow in vitro floating free and have cytological features of signet ring cells. Population doubling times for KATO-II and KATO-III were 74 hours and 36 hours, repsectively. The modal chromosomal numbers of these cell lines fell in a tetraploid range. Heterotransplantation of KATO-II and KATO-III cells was successfully done in the cheek pouches of antithymocyte serum-treated hamsters. Microscopical appearance of the resultant tumors was consistent with poorly-differentiated adenocarcinoma comparable to the original tumor.
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