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Objective: To explore the role of growth factor autocrine stimulation in the pathogenesis of human pituitary tumors. Methods: The expression of EGF, TGF-( and EGFR were studied by immunohisto-chemical method on paraffin-embedded sections of 30 cases pituitary tumor. Results: EGFR and its ligands EGF, TGF-( expressed in majority of pituitary tumors. The expression of EGFR and its ligands varied with cells’ intensity, density and type. Conclusion: The EGF autocrine stimulating exerted in the pituitary tumor development process, that tyrosine kinases inhibitors may be useful for pituitary tumors treatment.
Objective: To explore the role of growth factor autocrine stimulation in the pathogenesis of human pituitary tumors. Methods: The expression of EGF, TGF-(and EGFR were studied by immunohisto-chemical method on paraffin-embedded sections of 30 cases pituitary tumor. Results : EGFR and its ligands EGF, TGF-( expressed in majority of pituitary tumors. The expression of EGFR and its ligands varied with cells’ intensity, density and type. Conclusion: The EGF autocrine stimulating exerted in the pituitary tumor development process, that tyrosine Kinase inhibitors may be useful for pituitary tumors treatment.