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Curcumin (diferuloylmethane) is the active ingredient of the spice plant Curcuma longa and has been shown to act anti-tumorigenic in different types of tumours. Therefore, we have studied its effect in pituitary tumour cell lines and adenomas. Proliferation of lactosomatotroph GH3 and somatotroph MtT/S rat pituitary cells as well as of corticotroph AtT20 mouse pituitary cells was inhibited by curcumin in monolayer cell culture and in colony formation assay in soft agar. Fluorescence-activated cell sorting (FACS) analysis demonstrated curcumin-induced cell cycle arrest at G2/M. Analysis of cell cycle proteins by immunoblotting showed reduction in cyclin D1, cyclin-dependent kinase 4 and no change in p27kip. FACS analysis with Annexin V-FITC/7-aminoactinomycin D staining demonstrated curcumin-induced early apoptosis after 3, 6, 12 and 24 h treatment and nearly no necrosis. Induction of DNA fragmentation, reduction of Bcl-2 and enhancement of cleaved caspase-3 further confirmed induction of apoptosis by curcumin. Growth of GH3 tumours in athymic nude mice was suppressed by curcumin in vivo. In endocrine pituitary tumour cell lines, GH, ACTH and prolactin production were inhibited by curcumin. Studies in 25 human pituitary adenoma cell cultures have confirmed the antitumorigenic and hormone-suppressive effects of curcumin. Altogether, the results described in this report suggest this natural compound as a good candidate for therapeutic use on pituitary tumours. © 2009 Society for Endocrinology Printed in Great Britain.


Documento: Artículo
Título:Curcumin acts as anti-tumorigenic and hormone-suppressive agent in murine and human pituitary tumour cells in vitro and in vivo
Autor:Schaaf, C.; Shan, B.; Buchfelder, M.; Losa, M.; Kreutzer, J.; Rachinger, W.; Stalla, G.K.; Schilling, T.; Arzt, E.; Perone, M.J.; Renner, U.
Filiación:Neuroendocrinology Group, Max Planck Institute of Psychiatry, Kraepelinstrasse 10, D-80804 Munich, Germany
Neurosurgical Clinic, University of Erlangen-Nuremburg, Erlangen, Germany
Department of Neurosurgery, Istituto San Raffaele, Milano, Italy
Neurosurgical Clinic, Technical University of Munich, Munich, Germany
Neurosurgical Clinic, University of Munich, Munich, Germany
Department of Internal Medicine 1 and Clinical Chemistry, University of Heidelberg, Heidelberg, Germany
Departamento de Fisiología Y Biología Molecular Y Celular, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Pabellon II-2 Piso, C1428 Buenos Aires, Argentina
IFIBYNE-CONICET, Ciudad Universitaria, Pabellon II-2 Piso, C1428 Buenos Aires, Argentina
Palabras clave:7 aminodactinomycin; caspase 3; cell cycle protein; curcumin; cyclin D1; cyclin dependent kinase 4; cyclin dependent kinase inhibitor 1B; lipocortin 5; protein bcl 2; antineoplastic activity; apoptosis; article; cancer cell culture; cancer inhibition; cell cycle arrest; cell cycle G2 phase; cell cycle M phase; cell proliferation; cell strain GH3; clinical article; colony formation; controlled study; Curcuma longa; DNA fragmentation; fluorescence activated cell sorting; human; human cell; hypophysis cell; hypophysis tumor; immunoblotting; in vitro study; in vivo study; mouse; nonhuman; nude mouse; Animals; Antineoplastic Agents; Apoptosis; Blotting, Western; Caspase 3; Cell Cycle; Cell Line, Tumor; Cell Proliferation; Curcumin; Cyclin D1; Cyclin-Dependent Kinase 4; Flow Cytometry; Humans; Male; Mice; Mice, Nude; Pituitary Hormones; Pituitary Neoplasms; Rats
Página de inicio:1339
Página de fin:1350
Título revista:Endocrine-Related Cancer
Título revista abreviado:Endocr.-Relat. Cancer
CAS:7 aminodactinomycin, 7240-37-1; caspase 3, 169592-56-7; curcumin, 458-37-7; cyclin dependent kinase 4, 147014-97-9; lipocortin 5, 111237-10-6; protein bcl 2, 219306-68-0; Antineoplastic Agents; Caspase 3, 3.4.22.-; Curcumin, 458-37-7; Cyclin D1, 136601-57-5; Cyclin-Dependent Kinase 4,; Pituitary Hormones


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---------- APA ----------
Schaaf, C., Shan, B., Buchfelder, M., Losa, M., Kreutzer, J., Rachinger, W., Stalla, G.K.,..., Renner, U. (2009) . Curcumin acts as anti-tumorigenic and hormone-suppressive agent in murine and human pituitary tumour cells in vitro and in vivo. Endocrine-Related Cancer, 16(4), 1339-1350.
---------- CHICAGO ----------
Schaaf, C., Shan, B., Buchfelder, M., Losa, M., Kreutzer, J., Rachinger, W., et al. "Curcumin acts as anti-tumorigenic and hormone-suppressive agent in murine and human pituitary tumour cells in vitro and in vivo" . Endocrine-Related Cancer 16, no. 4 (2009) : 1339-1350.
---------- MLA ----------
Schaaf, C., Shan, B., Buchfelder, M., Losa, M., Kreutzer, J., Rachinger, W., et al. "Curcumin acts as anti-tumorigenic and hormone-suppressive agent in murine and human pituitary tumour cells in vitro and in vivo" . Endocrine-Related Cancer, vol. 16, no. 4, 2009, pp. 1339-1350.
---------- VANCOUVER ----------
Schaaf, C., Shan, B., Buchfelder, M., Losa, M., Kreutzer, J., Rachinger, W., et al. Curcumin acts as anti-tumorigenic and hormone-suppressive agent in murine and human pituitary tumour cells in vitro and in vivo. Endocr.-Relat. Cancer. 2009;16(4):1339-1350.