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Jun 1997 International journal of oncology

Expression of variant forms of fibroblast growth factor receptor 2 mRNA in human breast carcinomas.


Penaultllorca F, Parc P, Coulier F, Bertucci F, Jacquemier J, Birnbaum D


FGF (fibroblast growth factors) and FGF receptors may play a role in stroma-epithelium relationships in the mammary gland. Dysregulation of their interactions may be important in mammary carcinogenesis. Isoforms of the FGFR2 receptor, differing in the structure of the extracellular region, are expressed in the mammary gland and may diversely affect stroma-epithelium relationships. We determined the mRNA variants encoding these isoforms in human cell lines and breast carcinomas. All possible combinations of variants were found. No correlation was observed between the presence of a particular variant and the expression of any FGF gene tested, or the status of any histoclinical parameter.

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