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Cell Growth & Differentiation, Vol 4, Issue 3 185-192, Copyright © 1993 by American Association of Cancer Research


ARTICLES

Mitogenic and dedifferentiating effect of the K-fgf/hst oncogene on rat thyroid PC clone 3 epithelial cells

C Battaglia, MT Berlingieri, ML Martelli, F Trapasso, P Delli Bovi and A Fusco
Dipartimento di Medicina Sperimentale e Clinica, Facolta di Medicina e Chirurgia di Catanzaro, Universita di Reggio Calabria, Italy.

Transfection of rat thyroid differentiated epithelial cells, PC clone 3, with the K-fgf/hst oncogene results in alleviation of thyrotropin dependency for growth and suppression of the differentiated phenotype without the acquisition of the fully transformed phenotype. An autocrine mechanism is responsible for these effects, since the proliferation of PC clone 3 cells, induced by K-FGF-conditioned medium, is blocked by anti-K-FGF-specific antibodies. Moreover, addition of K-FGF-conditioned medium inhibits the thyroid differentiated functions. Also, such other members of the fibroblast growth factor family as basic and acidic fibroblast growth factor are able to induce thyroid cell growth and to block expression of the differentiated functions.


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[Abstract] [Full Text] [PDF]




HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Cancer Research Clinical Cancer Research
Cancer Epidemiology Biomarkers & Prevention Molecular Cancer Therapeutics
Molecular Cancer Research Cell Growth & Differentiation
Copyright © 1993 by the American Association of Cancer Research.