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Tomoko Sekiya
Tomoko Sekiya
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Marcello D Bronstein
Marcello D Bronstein
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Katiuscia Benfini
Katiuscia Benfini
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Viviane C Longuini
Viviane C Longuini
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Raquel S Jallad
Raquel S Jallad
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Marcio C Machado
Marcio C Machado
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Tatiana D Goncalves
Tatiana D Goncalves
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Luciana H Osaki
Luciana H Osaki
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Leonardo Higashi
Leonardo Higashi
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Jose Viana-Jr
Jose Viana-Jr
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Claudio Kater
Claudio Kater
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Misu Lee
Misu Lee
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Sara Molatore
Sara Molatore
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Guilherme Francisco
Guilherme Francisco
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Roger Chammas
Roger Chammas
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Michel S Naslavsky
Michel S Naslavsky
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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David Schlesinger
David Schlesinger
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Patricia Gama
Patricia Gama
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Yeda A O Duarte
Yeda A O Duarte
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Maria Lucia Lebrão
Maria Lucia Lebrão
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Mayana Zatz
Mayana Zatz
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Osorio Meirelles
Osorio Meirelles
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Bernardo Liberman
Bernardo Liberman
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Maria Candida B V Fragoso
Maria Candida B V Fragoso
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Sergio P A Toledo
Sergio P A Toledo
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Natalia S Pellegata
Natalia S Pellegata
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Rodrigo A Toledo
Rodrigo A Toledo
Endocrine Genetics Unit LIM-25, Neuroendocrinology Unit, Adrenal Unit (LIM-42), Experimental Oncology Laboratory (LIM-24), Nursing School, School of Public Health, Endocrinology Division, Brigadeiro Hospital, Federal University of Sao Paulo, Human Genome Research Center, Department of Cell and Developmental Biology, Instituto do Cérebro, National Institute of Aging, Institute of Pathology, School of Medicine, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil
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Abstract
Germline mutations in p27 kip1 are associated with increased susceptibility to multiple endocrine neoplasias (MEN) both in rats and humans; however, the potential role of common polymorphisms of this gene in endocrine tumor susceptibility and tumorigenesis remains mostly unrecognized. To assess the risk associated with polymorphism rs2066827 (p27-V109G), we genotyped a large cohort of Brazilian patients with sporadic endocrine tumors (pituitary adenomas, n=252; pheochromocytomas, n=125; medullary thyroid carcinoma, n=51; and parathyroid adenomas, n=19) and 885 population-matched healthy controls and determined the odds ratios and 95% CIs. Significant associations were found for the group of patients with pituitary adenomas (P=0.01), particularly for those with ACTH-secreting pituitary adenomas (P=0.005). In contrast, no association was found with GH-secreting pituitary tumors alone or with the sporadic counterpart of MEN2-component neoplasias. Our in vitro analyses revealed increased colony formation and cell growth rate for an AtT20 corticotropin mouse cell line overexpressing the p27-V109G variant compared with cells transfected with the WT p27. However, the genotypic effects in genetic and in vitro approaches were divergent. In accordance with our genetic data showing specificity for ACTH-secreting pituitary tissues, the overexpression of p27-V109G in a GH3 somatotropin rat cell line resulted in no difference compared with the WT. Pituitary tumors are one of the major clinical components of syndromes associated with the p27 pathogenic mutations MENX and MEN4. Our genetic and in vitro data indicate that the common polymorphism rs2066827 may play a role in corticotropinoma susceptibility and tumorigenesis through a molecular mechanism not fully understood thus far.
