Summary
A neoplastic epithelial cell line was established from nude mice tumors grown after transplantation of surgical specimens from a human parotid gland adenocarcinoma. This cell line, which had ultrastructure similarities to salivary intercalated duct cells, was found by immunohistochemical techniques to contain amylase, but myosin was not detected. Ultrastructurally, cells of an intermediate type between intercalated ductal and myoepithelial cells were found in the transplanted tumors. Moreover, the expression of myosin in addition to the presence of amylase was detected in the tumors. These findings indicate that some transplanted tumor cells appear to be differentiating towards myoepithelial cells.
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Abbreviations
- MEM:
-
minimal essential medium
- HSY:
-
a neoplastic intercalated duct cell line established from a human parotid gland adenocarcinoma
- PAP:
-
peroxidase-antiperoxidase
- PBS:
-
phosphate-buffered saline
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Yanagawa, T., Hayashi, Y., Nagamine, S. et al. Generation of cells with phenotypes of both intercalated duct-type and myoepithelial cells in human parotid gland adenocarcinoma clonal cells grown in athymic nude mice. Virchows Archiv B Cell Pathol 51, 187–195 (1986). https://doi.org/10.1007/BF02899028
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DOI: https://doi.org/10.1007/BF02899028