Summary
To elucidate the environmental influence on the growth of a tumor, bromodeoxyuridine (BrdU) uptake in multiple tumor foci within the intracranial cavity was studied immunohistochemically with a monoclonal antibody. Walker 256 tumor implanted intracerebrally produced multifocal tumors presented as (1) intraparenchymal solid tumor, (2) tumor in the choroid plexus, and (3) leptomeningeal dissemination. The BrdU-labeling indices, or the S-phase fractions (% of nuclei labeled by BrdU divided by the number of tumor cell nuclei scored; LI), of those tumors were 48.4±1.1, 59.1±1.3, and 27.9±5.9, respectively (means ± SEM). These differences in LI, or the tumor growth activity, are discussed in relation to the different environmental conditions in different host structures. These host structure-related modification of tumor growth would be important in evaluating the proliferative activity of tumors growing at various intracranial structures.
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Supported in part by the Grant-in-Aid for Cancer Research (59-22) from Ministry of Welfare
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Yoshimine, T., Ushio, Y., Hayakawa, T. et al. Growth activity of tumors at different intracranial structures: immunohistochemical study with bromodeoxyuridine. Acta Neuropathol 71, 15–18 (1986). https://doi.org/10.1007/BF00687956
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DOI: https://doi.org/10.1007/BF00687956