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Título: Cellular localization of fibroblast growth factor 2 , FGF,-2 in benign prostatic hyperplasia
Fecha de publicación: 2000
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::6 - Ciencias aplicadas::61 - Medicina
Palabras clave: Immunocytochemistry
Resumen: Fibroblast growth factor 2 (FGF-2, basic fibroblast growth factor) has been reported to be elevated in tissues from benign prostatic hyperplasia (BPH), the most frequent neoplastic disease in aging men. This suggests that FGF-2 may play a significant role in the development of BPH. In this study the cellular distribution pattern of FGF-2 in tissues from BPH has been investigated by immunohistochemical and molecular biological methods. Radioimmunoassay revealed high concentrations of FGF-2, ranging between 450 and 950 ng per g tissue. Immunoblots confirmed the presence of a 18 kDa FGF-2 in tissue extracts. By immunohistochemistry done with a polyclonal antibody to recombinant FGF-2 on paraffin sections, FGF-2 was localized in fibroblasts, endothelial cells and smooth muscle cells of tissue samples of BPH. Nuclei of these cells were labelled distinctly. Moreover the cytoplasm of smooth muscle cells was labelled moderately. No immunostaining was seen in prostatic epithelium. Nonradioactive in situ hybridization with digoxygeninlabelled oligonucleotides revealed the presence of mRNA for FGF-2 in smooth muscle cells of the prostatic stroma. These results provide evidence that FGF-2 may be produced locally in the human prostate as a stromaspecific mitogen and may play a causal role in the development of BPH.
Autor/es principal/es: Sinowatz, F.
Schams, D.
Einspanier, R.
Arnold, G.
Pfeffel, M.
Temmim-Bakers, L.
Amselgruber, W.
Plendl, J.
Forma parte de: Histology and histopathology
URI: http://hdl.handle.net/10201/19299
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 7
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol.15, nº 2 (2000)

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