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  • Title: Foreign-body tumorigenesis induced by glass and smooth and rough plastic. Comparative study of preneoplastic events.
    Author: Brand KG, Buoen LC, Brand I.
    Journal: J Natl Cancer Inst; 1975 Aug; 55(2):319-22. PubMed ID: 1159820.
    Abstract:
    Foreign-body (FB) tumorigenesis was induced in female CBH/H and CBA/H-T6 mice and their hybrids by sc implantation of about 0.2-mm thick, large (660-720 mm2) or small (210-400 mm2) pieces of glass, smooth-surfaced plastic, or roughened plastic (rigid unplasticized vinyl chloride vinyl acetate copolymer). The tumorigenic process was analyzed in the various implantation groups by the evaluation of tumor incidences and latencies, and by the determination of 1) frequency of originator ("parent") cells, 2) appearance of preneoplastic cells in FB-reactive capsule tissue, 3) expansion of preneoplastic cell clones throughout the tissue capsule, and 4) pace of cellular preneoplastic maturation in terms of time remaining until neoplastic autonomy. Established methods included transfer of preneoplastic FB-reactive tissue capsules to recipient animals (hybrids of CBA/H and CBA/Br or C57BL/10ScSn). Specific preneoplastic events or stages of FB tumorigenesis were affected differently, depending on the size, material, and surface properties of implants.
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