Expression of basic fibroblast growth factor in human gastric carcinomas
- 1 December 1992
- journal article
- research article
- Published by Springer Nature in Virchows Archiv B Cell Pathology Including Molecular Pathology
- Vol. 61 (1), 263-267
- https://doi.org/10.1007/bf02890427
Abstract
The expression of mRNA for the basic fibroblast growth factor (FGF) gene was examined in seven human gastric carcinoma cell lines and in tissue from 29 gastric carcinomas together with the adjacent normal mucosa. Among the seven gastric carcinoma cell lines, the MKN45 cell line expressed mRNA for the basic FGF gene. Basic FGF protein production was confirmed by flow cytometric analysis and immunohistochemistry. Among the surgical specimens, 16 (55%) of 29 gastric carcinomas showed higher levels of basic FGF mRNA than the normal mucosa. Interestingly, in scirr-hous gastric carcinomas characterized by their fibrous stroma and rapid growth, 9 (69%) of 13, samples examined revealed higher levels of basic FGF mRNA than normal mucosa, whereas only 3 (33%) of the 9 well differentiated adenocarcinomas studied produced similar results. Immunohistochemically, basic FGF protein was localized in tumor cells. These results suggest that basic FGF produced by tumor cells may play an important role in producing fibrosis and angiogenesis in gastric carcinomas.Keywords
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