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Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
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al. 2018 ). In contrast to mice and other species, rats have an unusual proclivity to develop PCs. The incidence of these tumors increases throughout life and is especially high in males compared to females, with a ratio up to 10:1 in some rat
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McArdle Laboratory for Cancer Research, School of Medicine and Public Health, School of Medicine and Public Health, Department of Oncology, School of Medicine and Public Health
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McArdle Laboratory for Cancer Research, School of Medicine and Public Health, School of Medicine and Public Health, Department of Oncology, School of Medicine and Public Health
McArdle Laboratory for Cancer Research, School of Medicine and Public Health, School of Medicine and Public Health, Department of Oncology, School of Medicine and Public Health
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large fraction of breast cancers, the molecular mechanisms through which estrogens contribute to breast cancer etiology remain poorly defined. The ACI rat model of 17β-estradiol (E 2 )-induced mammary cancer serves as a unique and physiologically
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these observations, in the present paper, we investigated the effect of A-1254 in rat prostate cells. These cultures were used as an in vitro model for investigating the possible mechanism involved in detrimental effects of PCBs on prostate, which
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Abstract
The anti-tumour effect of EB 1089, a novel vitamin D analogue with reduced calcaemic activity, was examined in vivo using the N-methyl-nitrosourea-induced rat mammary tumour model. The vitamin D compound was given orally at a dose of 1 pg/kg body weight alone and in combination with tamoxifen (1 mg/kg). Effects were compared with oral tamoxifen treatment alone. EB 1089 significantly inhibited tumour progression compared with controls with a response rate of 58% and a regression rate of 92% As expected, tamoxifen at the dose given also caused significant inhibition of tumour progression with a response rate of 73%. Combination of these two compounds did not lead to a marked increase in their effectiveness. Histological examination of tumours from EB 1089-treated rats showed a marked reduction in cellularity and mitotic activity.
At the dose given, EB 1089 produced a significant rise in serum calcium concentration and urinary calcium excretion. Tamoxifen treatment alone did not significantly alter serum calcium levels. However, combined treatment with tamoxifen and EB 1089 led to a significant reduction in hypercalcaemia compared with EB 1089 alone. It is suggested that vitamin D analogues with reduced calcaemic activity may provide a new therapeutic strategy for certain malignancies, either alone or in combination with established treatment regimens.
Endocrine-Related Cancer (1996) 3 327-335
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approaches in human tumors and a tumor rat model as previously described ( Trouillas et al. 1990 , 1999 ). We used 25 human PRL tumors carefully classified into three groups (non-invasive, invasive, and aggressive–invasive) by radiology using magnetic
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German Center for Diabetes Research (DZD), Neuherberg, Germany
Technische Universität München, Chair of Experimental Genetics, Freising, Germany
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neoplasia syndrome in the rat, which is caused by a homozygous germline mutation in the Cdkn1b gene encoding the cell cycle inhibitor p27 ( Pellegata et al. 2006 ). MENX-affected rats develop, among other endocrine tumors, bilateral PCCs with complete
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ProfilXpert, Lyon, France
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Faculté de Médecine Lyon Est, Université Lyon 1, Lyon, France
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Department of Pathology, Groupement Hospitalier EST, Hospices Civils de Lyon, University of Lyon, Lyon, France
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Department of Pathology, Groupement Hospitalier EST, Hospices Civils de Lyon, University of Lyon, Lyon, France
Department of Endocrinology, Reference Center for Rare Pituitary Disease (HYPO), Groupement Hospitalier EST, Hospices Civils de Lyon, University of Lyon, Lyon, France
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instance, BMP4 is capable of stimulating the proliferation of GH3 cells, a rat prolactinoma-derived cell line ( Paez-Pereda et al . 2003 ), whereas TGFβ inhibits this effect and is further capable of repressing prolactin expression in both GH3 and GH4
Division of Endocrinology, Department of Endocrinology and Metabolism, Diabetes, and Metabolism, Laboratory for Cellular and Molecular Thyroid Research, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 333, Baltimore, Maryland 21287, USA
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, we have particularly focused on the NIS gene in this study as it is the most important gene for thyroid uptake of iodide. Materials and methods Cell culture and reagents Rat thyroid PCCL3 cell line and its transfectants were cultured and maintained
Department of Physiology and Cell Biology, Molecular, Genomic Medicine, Laboratory of Human Cancer Genetics, Center for Biostatistics, Cellular and Developmental Biology Graduate Program, The Ohio State University, 1645 Neil Avenue, 304 Hamilton Hall, Columbus, Ohio 43210, USA
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Department of Physiology and Cell Biology, Molecular, Genomic Medicine, Laboratory of Human Cancer Genetics, Center for Biostatistics, Cellular and Developmental Biology Graduate Program, The Ohio State University, 1645 Neil Avenue, 304 Hamilton Hall, Columbus, Ohio 43210, USA
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Department of Physiology and Cell Biology, Molecular, Genomic Medicine, Laboratory of Human Cancer Genetics, Center for Biostatistics, Cellular and Developmental Biology Graduate Program, The Ohio State University, 1645 Neil Avenue, 304 Hamilton Hall, Columbus, Ohio 43210, USA
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Department of Physiology and Cell Biology, Molecular, Genomic Medicine, Laboratory of Human Cancer Genetics, Center for Biostatistics, Cellular and Developmental Biology Graduate Program, The Ohio State University, 1645 Neil Avenue, 304 Hamilton Hall, Columbus, Ohio 43210, USA
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of NIS . The effect of this miR on NIS-mediated RAIU was assessed in MCF-7 human breast cancer cells and PCCl3 rat thyroid cells. Direct binding of this miR to the 3′UTR of h NIS was verified by luciferase-h NIS -3′UTR reporter assay. In the second
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Cellular Therapy Group, Institute of Experimental Endocrinology and Oncology (CNR), Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire, Dipartimento di Studi delle Istituzioni e dei Sistemi Territoriali, Dipartimento di Chirurgia, Åbo Akademi University, Fondazione IRCCS SDN, Medicity Research Laboratory, University of Turku, Tykistökatu 6A, FIN-20520 Turku, Finland
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(University of Turku, Turku, Finland) were given 0.25% propylthiouracil (PTU; Sigma) ad libitum in drinking water for 2 weeks, killed, and tissues were collected for expression analysis. As controls for histological staining, we used nontreated rat thyroids