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content of the chapters on this entity between the two editions of WHO book despite 13 years in between. It is worth noting that there is a proposed developmental relationship between anaplastic carcinoma and squamous cell carcinoma ( Lam & Saremi 2017
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Follicular carcinoma 61 (92.4%) 0 (0%) 5 (7.6%) 66 Poorly differentiated carcinoma 6 (100%) 0 (0%) 0 (0%) 6 Anaplastic carcinoma 7 (77.8%) 0 (0%) 2 (22.2%) 9 Total 380 (93.4%) 18 (4.4%) 9 (2.2%) 407
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Dabrafenib is a BRAF kinase inhibitor approved for treatment of BRAF-mutated anaplastic thyroid carcinoma (ATC) in combination with trametinib. Erlotinib is a tyrosine kinase inhibitor of EGF receptor (EGFR). We evaluated effects of dabrafenib and erlotinib combination treatment on ATC cells in vitro and in vivo. Cell proliferation, colony formation, apoptosis, and migration of ATC cells harboring a BRAF mutation (BHT101, 8505C, and SW1736) were evaluated after treatment with dabrafenib in combination with erlotinib or trametinib. The changes in activation of mitogen extracellular kinase (MEK) and extracellular signal-related kinase (ERK) signaling were also evaluated by Western blot analysis. Effects of these combinations were also evaluated using an in vivo xenograft model. First, we detected EGFR activation in dabrafenib-resistant SW1736 cells using a phospho-receptor tyrosine kinase array. A dabrafenib and erlotinib combination synergistically inhibited cell proliferation, colony formation, and migration, with an induction of apoptotic cell death in all three ATC cells, compared with dabrafenib or erlotinib alone. This synergistic effect was comparable with a dabrafenib and trametinib combination. The dabrafenib and erlotinib combination effectively inhibited phosphorylated (p)-MEK, p-ERK, and p-EGFR expressions compared with dabrafenib or erlotinib alone, while the dabrafenib and trametinib combination only inhibited p-MEK and p-ERK expressions. The dabrafenib with erlotinib or trametinib combinations also significantly suppressed tumor growth and induced apoptosis in a BHT101 xenograft model. The dabrafenib and erlotinib combination could be a potential novel treatment regimen to overcome drug resistance to dabrafenib alone in patients with BRAF-mutated ATC.
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Department of Developmental and Molecular Biology, Departments of Medicine, Pediatrics and Committee on Genetics, Department of Pathology, Albert Einstein College of Medicine, Price Center for Genetic and Translational Medicine, 1301 Morris Park Avenue, Room 302, Bronx, New York 10461, USA
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) often tightly adhering to nearby anatomical structures. Figure 1 Kras G12D , p53 thyr−/− mice develop papillary thyroid cancer progressing to poorly differentiated and anaplastic carcinomas. (A) Cumulative tumor incidence for mice of the indicated
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59 Male NA 6 p.R181H, 17.3% PTEN, p.R233*, 17.6% CNA PC,CT AC, anaplastic carcinoma; CNA, copy number alteration; CT,classic type; FA, follicular adenoma; FC, follicular carcinoma; FV, follicular variant; HCA, Hurthle cell
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EIFAX1 tumors were either low-grade cancers (60% EFVPTC) or NIFTP (20%), they also included anaplastic carcinoma which was found in 10% of nodules with more than two mutations. The latter tumors harbored multiple mutations, including TERT and TP53
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Department of Medicine, Department of Molecular, The Leon D. Black Family Stem Cell Institute, Mount Sinai School of Medicine, Box 1055, One Gustave L. Levy Place, New York, New York 10029, USA
Department of Medicine, Department of Molecular, The Leon D. Black Family Stem Cell Institute, Mount Sinai School of Medicine, Box 1055, One Gustave L. Levy Place, New York, New York 10029, USA
Department of Medicine, Department of Molecular, The Leon D. Black Family Stem Cell Institute, Mount Sinai School of Medicine, Box 1055, One Gustave L. Levy Place, New York, New York 10029, USA
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follicular carcinomas of the thyroid have a very good prognosis. Medullary carcinoma forms in the C cells of the thyroid gland and has usually spread to other organs by the time of diagnosis. Anaplastic carcinoma is the most deadly form of thyroid cancer
Samsung Genome Institute, Internal Medicine, Surgery, Biomedical Sciences, Department of Internal Medicine, Department of Molecular Cell Biology, Samsung Medical Center, 50 Irwondong, Gangnamgu, Seoul 135-710, Korea Departments of
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Samsung Genome Institute, Internal Medicine, Surgery, Biomedical Sciences, Department of Internal Medicine, Department of Molecular Cell Biology, Samsung Medical Center, 50 Irwondong, Gangnamgu, Seoul 135-710, Korea Departments of
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Samsung Genome Institute, Internal Medicine, Surgery, Biomedical Sciences, Department of Internal Medicine, Department of Molecular Cell Biology, Samsung Medical Center, 50 Irwondong, Gangnamgu, Seoul 135-710, Korea Departments of
Samsung Genome Institute, Internal Medicine, Surgery, Biomedical Sciences, Department of Internal Medicine, Department of Molecular Cell Biology, Samsung Medical Center, 50 Irwondong, Gangnamgu, Seoul 135-710, Korea Departments of
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and anaplastic carcinoma ( Godbert et al . 2014 , Kelly et al . 2014 ). Treatment with clinically available ALK inhibitors, such as crizotinib and TAE684, yielded in vitro antitumor efficacy ( Kelly et al . 2014 ) and produced clinical
Instituto de Investigaciones Biomédicas ‘Alberto Sols’,, Servicio de Endocrinología y Nutrición,, Consejo Superior de Investigaciones Científicas y Universidad Autónoma de Madrid (CSIC-UAM), 28029 Madrid, Spain
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5 to 10%. However, RAS mutations are more prevalent in poorly differentiated (55%) and anaplastic carcinoma (52%; Garcia-Rostan et al . 2003 ). Moreover, this group found a significant association between RAS mutations and poor survival, proposing
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Genomics Research Centre, Institute of Health and Biomedical Innovation, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
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( P < 0.05) ( Fig. 2A and B ). This result confirmed the permanent ectopic expression of miR-205 in the anaplastic carcinoma cells (MB-1 and BHT-101). Figure 2 (A and B) Normalised relative expression of mir-205 by qRT-PCR to confirm