Department of Endocrinology, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Comprehensive Cancer Center Mainfranken, University of Wuerzburg, Wuerzburg, Germany
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Department of Pathology, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Department of Digestive and Endocrine Surgery, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Department of Digestive and Endocrine Surgery, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Department of Endocrinology, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Department of Endocrinology, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Institute of Metabolism and System Research, University of Birmingham, Birmingham, UK
Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
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Department of Endocrinology, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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Department of Endocrinology, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
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mutations, chromosome alteration and DNA methylation profile, or at the RNA level, including transcriptome and targeted gene expression profiles. Intratumor heterogeneity of somatic mutations has been reported in many cancer types ( 12 , 13 , 14 ). In a
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genetic alterations associated with sporadic PC are inactivating somatic mutations of the CDC73/HRPT2 gene. Sporadic PC may also be associated with other abnormalities, including p53 and retinoblastoma gene mutations. Alterations of the PI3K
Berlin Institute of Health (BIH), Berlin, Germany
Department of Nephrology, School of Medicine, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
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Core Unit Bioinformatics, Berlin Institute of Health, Berlin, Germany
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Core Unit Bioinformatics, Berlin Institute of Health, Berlin, Germany
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Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
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Berlin Institute of Health (BIH), Berlin, Germany
Department of Nephrology, School of Medicine, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
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DW Lee S Kim Y Kim TM . Passage-dependent accumulation of somatic mutations in mesenchymal stromal cells during in vitro culture revealed by whole genome sequencing . Scientific Reports 2017 14508 . ( https://doi.org/10.1038/s41598
Grupo de Citogenética, Filogenia y Evolución de Poblaciones, Facultad de Ciencias y Facultad de Ciencias de la Salud, Universidad del Tolima, Ibagué, Tolima, Colombia
Facultad de Ciencias para la Salud, Universidad de Caldas, Manizales, Caldas, Colombia
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Hospital Pablo Tobón Uribe, Medellín, Antioquia, Colombia
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Dinamica IPS, Medellín, Antioquia, Colombia
University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
Fundación de Genética y Genómica, Medellín, Antioquia, Colombia
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Papillary thyroid cancer (PTC) is the second most commonly diagnosed malignancy in U.S. Latinas and in Colombian women. Studies in non-Latinos indicate that BRAF and TERT mutations are PTC prognostic markers. This study aimed to determine the prevalence and clinical associations of BRAF and TERT mutations in PTC Latino patients from Colombia. We analyzed mutations of BRAF (V600E) and TERT promoter (C228T, C250T) in tumor DNA from 141 patients (75 with classical variant PTC, CVPTC; 66 with follicular variant PTC, FVPTC) recruited through a multi-center study. Associations between mutations and clinical variables were evaluated with Fisher exact tests. Survival was evaluated with Kaplan–Meier plots. Double-mutant tumors (BRAF+/TERT+, n = 14 patients) were more common in CVPTC (P = 0.02). Relative to patients without mutations (n = 48), double mutations were more common in patients with large tumors (P = 0.03), lymph node metastasis (P = 0.01), extra-thyroid extension (P = 0.03), and advanced stage (P = 6.0 × 10−5). In older patients, TERT mutations were more frequent (mean age 51 years vs 45 years for wild type TERT, P = 0.04) and survival was lower (HR = 1.20; P = 0.017); however, given the small sample size, the decrease in survival was not statically significant between genotypes. Comparisons with published data in US whites revealed that Colombian patients had a higher prevalence of severe pathological features and of double-mutant tumors (10 vs 6%, P = 0.001). Mutations in both oncogenes show prognostic associations in Latinos from Colombia. Our study is important to advance Latino PTC precision medicine and replicates previous prognostic associations between BRAF and TERT in this population.
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addition to somatic RET mutations, sporadic MTC shows the presence of somatic RAS mutations that have been mostly reported in RET negative tumours and are almost always mutually exclusive with RET mutations ( 7 , 8 ). RET somatic mutations have
Wolfson Diabetes and Endocrine Centre, Addenbrooke’s Hospital, Cambridge, UK
IMED Biotech Unit, Clinical Discovery Unit, AstraZeneca, UK
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Wolfson Diabetes and Endocrine Centre, Addenbrooke’s Hospital, Cambridge, UK
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Department of Nuclear Medicine, Addenbrooke’s Hospital, Cambridge, UK
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Wolfson Diabetes and Endocrine Centre, Addenbrooke’s Hospital, Cambridge, UK
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Department of Nuclear Medicine, Addenbrooke’s Hospital, Cambridge, UK
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, and associated with multiple endocrine neoplasia (MEN)-1 ( 1 ). Although single-copy deletion and somatic mutations in Menin have been identified in some sporadic insulinoma, it is now recognised that a recurrent somatic mutation in the transcription
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of underlying molecular mechanisms in the tumorigenesis of these diseases has increased dramatically during the last decade (1) . Up to 80% of all PCC and PGL could have either germline or somatic mutations (2, 3, 4) in one of the 11 hitherto known
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, somatic mutations and gene expression data derived from RNA sequencing. Pathologic data were re-evaluated using scanned images of the paper-written pathologic documents provided by TCGA-associated hospitals. PTC subtype classification and MACIS scores were
Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
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Division of Endocrinology, Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
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Department of Nuclear Medicine and Endocrine Tumors, Institute of Oncology ‘Prof. Dr. Ion Chiricuta’, Cluj-Napoca, Romania
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Department of Nuclear Medicine and Endocrine Tumors, Institute of Oncology ‘Prof. Dr. Ion Chiricuta’, Cluj-Napoca, Romania
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Endocrinology Clinic, Cluj County Emergency Hospital, Cluj-Napoca, Romania
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Department of Nuclear Medicine and Endocrine Tumors, Institute of Oncology ‘Prof. Dr. Ion Chiricuta’, Cluj-Napoca, Romania
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, leading to activation of downstream driving protein synthesis, proliferation and invasion of NMTC ( 5 , 8 , 25 , 26 ). Although somatic mutations have been identified at low frequencies, the role of germline variants in genes encoding PI3K, Akt and
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CHU Lille, Service de Biochimie Hormonologie, Métabolisme, Nutrition-Oncologie, Centre de Biologie Pathologie Génétique, Lille, France
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from the left PCC of the proband. We further examined the DNA from the three separate fragments from the left PCC to search for additional somatic mutations in 48 cancer genes using NGS. The three fragments displayed similar variant allele frequencies