I need to follow development of human mesothelioma cells into athymic nude mice after mesothelioma cell injection sub-cutaneously or intra-pleuraly. In order to evaluate the number of mice to use in this experiment, I need to know the tumorigenicity of these cells (% of mice bearing tumors after cell injection). I would like to test tumor formation with MSTO-211H, H-28 and H-2052 cell lines. Do you have some data on tumorigenicity of these cell lines in athymic nude mice?