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  • Title: [Establishment and characteristics of the human diploid cell strain HLF-02].
    Author: Huang BY, Li M, Wu SH.
    Journal: Hunan Yi Ke Da Xue Xue Bao; 2003 Dec; 28(6):587-90. PubMed ID: 15804067.
    Abstract:
    OBJECTIVE: To establish the HLF-02 and provide a new material to the study of geronics, oncology, virology, pharmacology, and biogenetics. METHODS: The lung tissue was digested with 0.15% trypsin. More than 90% of the dissociated cell exhibited initial viability (trypan blue dye exclusion and the ability of adhesion). The surviving cells were analyzed by morphology, growth curves, karyotype analysis, electron microscopic observation and heterotransplantation. RESULTS: A newly established cell strain, which was designated HLF-02 had been maintained in continuous culture for over 50 generations for 10 months. Morphological observation, electron microscopic observation, karyotype analysis and heterotransplantation showed that it was corresponding to diploid cells. The doubling time of the cells was 75.5 hours. Chromosome analyses showed the human cell strain to be typical diploid appearance, and the tumorigenecity assays of nude mice were negative. CONCLUSION: The HLF-02 is a human dipolid cell strain and can serve the further studies of cell gerontics, oncology, virology, pharmacology, and biogenetics.
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