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Introduction The anterior pituitary gland is a key regulator of the endocrine system. During the life-span it undergoes extensive remodeling responding to metabolic changes and is therefore prone to tumor formation. Pituitary adenomas are the most
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Department of Medicine, Neuroendocrine Clinic, Mater Dei Hospital, Msida, Malta
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Introduction Pituitary adenomas (PA) represent the commonest cranial neoplasms and vary in size, type and aggressiveness. Clinically relevant PAs result in symptoms due to hormonal hypersecretion, intracranial mass effects or secondary
Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
Institute of Medical Science
Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
Institute of Medical Science
Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
Institute of Medical Science
Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
Institute of Medical Science
Department of Medical Biophysics University of Toronto, Toronto, Ontario, Canada
Division of Neurosurgery Toronto Western Hospital, 399 Bathurst Street, 4W-439, Toronto, Ontario, Canada M5T 2S8
Ontario Cancer Institute Princess Margaret Hospital, Toronto, Ontario, Canada
Endocrine Oncology Site Group Princess Margaret Hospital, Toronto, Ontario, Canada
Department of Laboratory Medicine and Pathobiology University of Toronto, Toronto, Ontario, Canada
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Introduction Pituitary adenomas (PAs) are common intracranial neoplasms accounting for up to 25% of primary brain tumors ( Asa & Ezzat 2009 ). A large proportion of PAs are prolactinomas, although most macroadenomas are clinically nonfunctional
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APHM Timone, Department of Neurosurgery, Marseille, France
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APHM, Conception, Laboratory of Molecular Biology, Marseille, France
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APHM Conception, Department of Endocrinology, Marseille, France
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APHM, Conception, Laboratory of Molecular Biology, Marseille, France
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secretion and cellular viability of both primary cultures of human GH-secreting pituitary adenomas and of the rat somatolactotroph GH4C1 cell line. Design and methods Patients This in vitro study included somatotroph tumors from patients
Sorbonne University, UMR S 1127, Inserm U 1127, CNRS UMR 7225, ICM, Paris, France
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Paris Cardiovascular Research Center (PARCC), Inserm, Paris, France
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Department of Endocrinology Diabetology, University Hospital Center of Reims, Reims, France
Department of Genetic, University Hospital Center of Reims, Reims, France
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CRESTIC EA 3804, University of Reims Champagne Ardenne, UFR Sciences Exactes et Naturelles, Moulin de La Housse, BP 1039, Reims, France
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Université Paris Cité, Inserm, PARCC, Paris, France
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Université Paris Cité, Inserm, PARCC, Paris, France
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Université Paris Cité, Inserm, PARCC, Paris, France
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Université Paris Cité, Inserm, PARCC, Paris, France
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Paris Cardiovascular Research Center (PARCC), Inserm, Paris, France
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Introduction Pituitary adenomas (PAs) are benign tumors and are most frequently sporadic, with inheritance in approximately 5% of cases. The most common familial syndromes predisposing to PAs are familial isolated pituitary adenomas, multiple
Department of Endocrinology, Medical University, Sofia, Bulgaria
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Introduction Pituitary adenomas are intracranial tumors that occur in 10–15% of individuals in autopsy series and in 20–38% of those undergoing CT/MRI ( Ezzat et al . 2004 , Molitch 2009 , Freda et al . 2011 ). The vast majority of these
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Introduction Pituitary adenomas are indolent tumors, which account for 10–15% of all diagnosed intracranial neoplasms ( Asa & Ezzat 2002 , DeLellis et al. 2004 ). Small adenomas may occur in up to 15% of pituitary glands examined
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pituitary tumors reported by Kim et al . (2005) and the observed anti-apoptotic actions by HIF1α in a human pituitary adenoma cell line (HP-75; Yoshida et al . 2006 ) could suggest a VEGF-independent HIF1α-mediated regulation of pituitary tumor growth
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Introduction Non-functioning pituitary adenomas (NFAs) represent a very heterogeneous group of tumours, accounting for 25% of all pituitary adenomas ( Katznelson et al . 1993 ). They often present with macroadenomas that cause neurological symptoms
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). However, precisely how pituitary adenomas develop and progress and the molecular bases of their unique features are poorly understood. Stem cells are unspecialized cells with the ability to self-renew (ability to go through numerous cycles of cell division