Abstract
The growth of 6 different human melanomas xenografted into athymic mice was followed by measuring 2 vertical diameters twice weekly. The growth rate of the xenografts was expressed as the tumour doubling time, measured in the volume range 30-60 mm3. None of the xenografts increased their growth rate with increasing number of passages. The tumour lines, which were histologically very similar, showed individual, characteristic growth rates differing by a factor of 3. Evidence was obtained that resistance to cytostatic drugs in the patients is retained in the xenograft. Procedures for evaluating response to chemotherapy are discussed.
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Selected References
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