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https://www.readbyqxmd.com/read/27929428/her2-analysis-in-sporadic-thyroid-cancer-of-follicular-cell-origin
#1
Rosaria M Ruggeri, Alfredo Campennì, Giuseppe Giuffrè, Luca Giovanella, Massimiliano Siracusa, Angela Simone, Giovanni Branca, Rosa Scarfì, Francesco Trimarchi, Antonio Ieni, Giovanni Tuccari
The Epidermal Growth Factor Receoptor (EGFR) family member human epidermal growth factor receptor 2 (HER2) is overexpressed in many human epithelial malignancies, representing a molecular target for specific anti-neoplastic drugs. Few data are available on HER2 status in differentiated thyroid cancer (DTC). The present study was aimed to investigate HER2 status in sporadic cancers of follicular cell origin to better clarify the role of this receptor in the stratification of thyroid cancer. By immunohistochemistry and fluorescence in-situ hybridization, HER2 expression was investigated in formalin-fixed paraffin-embedded surgical specimens from 90 DTC patients, 45 follicular (FTC) and 45 papillary (PTC) histotypes...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27920554/next-generation-sequence-detects-arap3-as-a-novel-oncogene-in-papillary-thyroid-carcinoma
#2
Qing-Xuan Wang, En-Dong Chen, Ye-Feng Cai, Yi-Li Zhou, Zhou-Ci Zheng, Ying-Hao Wang, Yi-Xiang Jin, Wen-Xu Jin, Xiao-Hua Zhang, Ou-Chen Wang
PURPOSE: Thyroid cancer is the most frequent malignancies of the endocrine system, and it has became the fastest growing type of cancer worldwide. Much still remains unknown about the molecular mechanisms of thyroid cancer. Studies have found that some certain relationship between ARAP3 and human cancer. However, the role of ARAP3 in thyroid cancer has not been well explained. This study aimed to investigate the role of ARAP3 gene in papillary thyroid carcinoma. METHODS: Whole exon sequence and whole genome sequence of primary papillary thyroid carcinoma (PTC) samples and matched adjacent normal thyroid tissue samples were performed and then bioinformatics analysis was carried out...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27919446/immunohistochemistry-as-an-accurate-tool-for-evaluating-braf-v600e-mutation-in-130-samples-of-papillary-thyroid-cancer
#3
Zakaria Y Abd Elmageed, Andrew B Sholl, Koji Tsumagari, Zaid Al-Qurayshi, Fulvio Basolo, Krzysztof Moroz, A Hamid Boulares, Paul Friedlander, Paulo Miccoli, Emad Kandil
BACKGROUND: BRAF(V600E) mutation has been investigated by immunohistochemistry and has shown high sensitivity and specificity. We aim to investigate the accuracy of immunohistochemistry versus molecular testing of BRAF(V600E) in papillary thyroid cancer using a large number of polymerase chain reaction-positive BRAF(V600E) papillary thyroid cancer tissues. METHODS: We stained 130 formalin-fixed papillary thyroid cancer specimens using the VE1 antibody: 100 BRAF(V600E) positive and 30 BRAF(V600E) negative confirmed by PCR...
December 2, 2016: Surgery
https://www.readbyqxmd.com/read/27917404/the-emerging-role-of-cdk5-in-cancer
#4
Karine Pozo, James A Bibb
Cdk5 is an atypical cyclin-dependent kinase that is well characterized for its role in the central nervous system rather than in the cell cycle. However Cdk5 has been recently implicated in the development and progression of a variety of cancers including breast, lung, colon, pancreatic, melanoma, thyroid and brain tumors. This broad pro-tumorigenic role makes Cdk5 a promising drug target for the development of new cancer therapies. Here we review the contribution of Cdk5 to molecular mechanisms that confer upon tumors the ability to grow, proliferate and disseminate to secondary organs, as well as resistance to chemotherapies...
October 2016: Trends in Cancer
https://www.readbyqxmd.com/read/27916938/comprehensive-analysis-of-mirnome-alterations-in-response-to-sorafenib-treatment-in-colorectal-cancer-cells
#5
Anna-Maria Pehserl, Anna Lena Ress, Stefanie Stanzer, Margit Resel, Michael Karbiener, Elke Stadelmeyer, Verena Stiegelbauer, Armin Gerger, Christian Mayr, Marcel Scheideler, Georg C Hutterer, Thomas Bauernhofer, Tobias Kiesslich, Martin Pichler
MicroRNAs (miRNAs) are master regulators of drug resistance and have been previously proposed as potential biomarkers for the prediction of therapeutic response in colorectal cancer (CRC). Sorafenib, a multi-kinase inhibitor which has been approved for the treatment of liver, renal and thyroid cancer, is currently being studied as a monotherapy in selected molecular subtypes or in combination with other drugs in metastatic CRC. In this study, we explored sorafenib-induced cellular effects in Kirsten rat sarcoma viral oncogene homolog olog (KRAS) wild-type and KRAS-mutated CRC cell lines (Caco-2 and HRT-18), and finally profiled expression changes of specific miRNAs within the miRNome (>1000 human miRNAs) after exposure to sorafenib...
December 1, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27910944/thyroid-sclerosing-mucoepidermoid-carcinoma-with-eosinophilia-a-clinicopathologic-and-molecular-analysis-of-a-distinct-entity
#6
Akeesha A Shah, Kristin La Fortune, Caitlyn Miller, Stacey E Mills, Zubair Baloch, Virginia LiVolsi, Sanja Dacic, Alyssa L Mahaffey, Marina Nikiforova, Yuri E Nikiforov, Raja R Seethala
Sclerosing mucoepidermoid carcinoma with eosinophilia is a rare thyroid neoplasm of uncertain pathogenesis that resembles salivary gland mucoepidermoid carcinoma. This multi-institutional study characterizes the clinicopathologic and molecular features of this tumor by utilizing next-generation sequencing to assess common mutations and gene fusions involved in thyroid carcinogenesis as well as fluorescence in-situ hybridization for MAML2 translocations typical of salivary gland mucoepidermoid carcinoma. Nine cases (6 females and 3 males, mean age: 59 years, range 30-77 years) were identified...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27904772/mir-101-targets-usp22-to-inhibit-the-tumorigenesis-of-papillary-thyroid-carcinoma
#7
Huadong Zhao, Haili Tang, Qike Huang, Bo Qiu, Xiaomin Liu, Dong Fan, Li Gong, Hang Guo, Chong Chen, Shixiong Lei, Lu Yang, Jianguo Lu, Guoqiang Bao
Increasing evidence suggests that microRNA-101 (miR-101) is involved in the progression of various human cancers, including papillary thyroid carcinoma (PTC). However, the biological functions of miR-101 and underlying molecular mechanisms in PTC remain largely unknown. In this study, we demonstrated that miR-101 underexpression in PTC tissue was associated with lymph node metastasis and poor prognosis of PTC patients. MiR-101 reduced PTC cell proliferation, apoptosis resistance, and invasion. Ubiquitin-specific protease 22 (USP22) was confirmed as a direct target of miR-101...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27893191/young-investigator-challenge-molecular-testing-in-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features
#8
Xiaoyin Sara Jiang, Grant P Harrison, Michael B Datto
BACKGROUND: Molecular testing provides an important ancillary study for thyroid nodules with indeterminate cytology. The nomenclature shift to "noninvasive follicular thyroid neoplasm with papillary-like nuclear features" (NIFTP) will impact the performance of molecular tests. For the current study, the authors reviewed the performance of the Afirma gene-expression classifier (GEC) and the University of Pittsburgh Medical Center (UPMC) targeted mutation panel tests in thyroid nodules that were subsequently diagnosed as NIFTP on surgical resection...
November 28, 2016: Cancer
https://www.readbyqxmd.com/read/27871285/next-generation-sequencing-in-thyroid-cancer
#9
REVIEW
Yoon Jin Cha, Ja Seung Koo
Next-generation sequencing (NGS) in thyroid cancer allows for simultaneous high-throughput sequencing analysis of variable genetic alterations and provides a comprehensive understanding of tumor biology. In thyroid cancer, NGS offers diagnostic improvements for fine needle aspiration (FNA) cytology of thyroid with indeterminate features. It also contributes to patient management, providing risk stratification of patients based on the risk of malignancy. Furthermore, NGS has been adopted in cancer research. It is used in molecular tumor classification, and molecular prediction of recurrence and metastasis in papillary thyroid carcinoma...
November 21, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27867864/braf-v600e-mutation-in-prognostication-of-papillary-thyroid-cancer-ptc-recurrence
#10
REVIEW
Agnieszka Czarniecka, Małgorzata Oczko-Wojciechowska, Marcin Barczyński
Papillary thyroid cancer (PTC) offers excellent prognosis, however relapse risk or persistent disease is related to ~30%. Currently, attention is paid to the possibility of patient group selection of different risk of unfavorable outcome to match a particular therapeutic approach. Therefore, interest in new prognostic and predictive markers known preoperatively is observed. BRAF V600E mutation is such a marker. Many studies analyzing the prevalence of the mutation and its relationship with other clinico-pathological risk factors were reported but with controversial conclusions...
October 2016: Gland Surgery
https://www.readbyqxmd.com/read/27858102/interleukin-10-expression-is-related-to-aggressiveness-and-poor-prognosis-of-patients-with-thyroid-cancer
#11
Lucas Leite Cunha, Elaine Cristina Morari, Sueli Nonogaki, Marjory Alana Marcello, Fernando Augusto Soares, José Vassallo, Laura Sterian Ward
Most patients with thyroid cancer will evolve very well with current therapies. However, 10-30% of these patients will present recurrent disease and some of them will eventually die. IL-10 is an anti-inflammatory and immunosuppressive cytokine that can contribute to the immune escape of neoplastic cells. We aimed to investigate IL-10 as a molecular marker to improve the clinical management of patients with thyroid cancer. We retrospectively studied 162 patients with follicular cell-derived thyroid cancer who attended to our institution, including 63 classic papillary thyroid carcinomas, 46 follicular variant of papillary thyroid carcinomas, 11 poorly differentiated thyroid carcinomas and 42 follicular thyroid carcinomas...
November 17, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27834083/molecular-diagnosis-using-residual-liquid-based-cytology-materials-for-patients-with-nondiagnostic-or-indeterminate-thyroid-nodules
#12
Hyemi Kwon, Won Gu Kim, Markus Eszlinger, Ralf Paschke, Dong Eun Song, Mijin Kim, Suyeon Park, Min Ji Jeon, Tae Yong Kim, Young Kee Shong, Won Bae Kim
BACKGROUND: Molecular analysis for common somatic mutations in thyroid cancer can improve diagnostic accuracy of fine-needle aspiration cytology (FNAC) in the nondiagnostic or indeterminate category of thyroid nodules. In this study, we evaluated the feasibility of molecular diagnosis from residual liquid-based cytology (LBC) material after cytological diagnosis. METHODS: This prospective study enrolled 53 patients with thyroid nodules diagnosed as nondiagnostic, atypia of undetermined significance (AUS), or follicular lesion of undetermined significance (FLUS) after FNAC...
November 4, 2016: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27832468/nodular-thyroid-disease-in-the-elderly-novel-molecular-approaches-for-the-diagnosis-of-malignancy
#13
REVIEW
Salvatore Sorrenti, Enke Baldini, Francesco Tartaglia, Antonio Catania, Stefano Arcieri, Daniele Pironi, Pier Giorgio Calò, Angelo Filippini, Salvatore Ulisse
Epithelial thyroid cancers (TC) comprise two differentiated histotypes (DTC), the papillary (PTC) and the follicular (FTC) thyroid carcinomas which, following dedifferentiation, are assumed to give rise to the poorly differentiated thyroid carcinomas and the rare, but highly aggressive and invariably fatal, anaplastic thyroid carcinomas. Although thyroid cancer mortality has not been changed, its annual incidence has increased over the last two decades, mainly because of the improved ability to diagnose malignant transformation in small non-palpable thyroid nodules...
November 10, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27829546/mir-639-promoted-cell-proliferation-and-cell-cycle-in-human-thyroid-cancer-by-suppressing-cdkn1a-expression
#14
Shang-Tong Lei, Fei Shen, Ji-Wei Chen, Jian-Hua Feng, Wen-Song Cai, Liang Shen, Zhi-Wen Hu, Bo Xu
Accumulating evidence has indicated that aberrantly expressed microRNAs (miRs) are extensively involved in cancer development and progression. MiR-639 has been reported to act as tumor promoter in various types of cancer. However, the biological function and underlying molecular mechanism of miR-639 in thyroid carcinoma (TC) have not been intensively investigated. Herein the present study aimed to investigate the functional role of miR-639 in TC. We found that miR-639 expression was upregulated in TC cells and clinical tissues...
November 6, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27819146/mps1-ttk-a-novel-target-and-biomarker-for-cancer
#15
Yuan Xie, Anqiang Wang, Jianzhen Lin, Liangcai Wu, Haohai Zhang, Xiaobo Yang, Xueshuai Wan, Ruoyu Miao, Xinting Sang, Haitao Zhao
Monopolar spindle1 (Mps1, also known as TTK) is the core component of the spindle assembly checkpoint, which functions to ensure proper distribution of chromosomes to daughter cells. Mps1 is hardly detectable in normal organs except the testis and placenta. However, high levels of Mps1 are found in many types of human malignancies, including glioblastoma, thyroid carcinoma, breast cancer, and other cancers. Several Mps1 inhibitors can inhibit the proliferation of cancer cells and exhibit demonstrable survival benefits...
December 1, 2016: Journal of Drug Targeting
https://www.readbyqxmd.com/read/27818286/inverse-expression-of-caveolin-1-and-egfr-in-thyroid-cancer-patients
#16
Jelena Janković, Svetislav Tatić, Vesna Božić, Vladan Živaljević, Dubravka Cvejić, Svetlana Paskaš
Cytological analysis of fine-needle aspiration (FNA) is the first step in evaluation of patients with nodular thyroid disease with the primary goal to exclude thyroid malignancy. Its improvement by combining cytology with molecular markers is still a matter of investigation. In this study two molecular markers were used: caveolin-1 and EGFR, along with the well-established genetic marker - BRAF V600E mutation. We set out to determine the expression signatures of EGFR and caveolin-1, in patients with thyroid malignancy, as well as to determine their possible association with disease severity...
November 3, 2016: Human Pathology
https://www.readbyqxmd.com/read/27811013/characteristics-of-a-thyroid-carcinoma-cell-line-derived-from-spinal-metastasis
#17
Zhenhua Zhou, Yan Li, Xu Yan, Xudong Wang, Su Chen, Jianru Xiao
A thyroid carcinoma cell line named THY28 was established through primary culture of the surgical specimens, which were derived from a Chinese patient with spinal metastasis. The cell morphology, growth kinetics, cell cycle, chromosome number, cell capability of migration, tumorigenicity, cytogenetic features of the cell line were investigated. THY28 cells were  subcultured in vitro for more than 50 passages with a human karyotype. The modal number of its chromosomes was mainly from 67 to 85. The doubling time of THY28 cells was 56 hours...
November 3, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27802187/long-noncoding-rnas-in-head-and-neck-cancer
#18
Xiuhua Li, Yongbing Cao, Xiaojian Gong, Hongjiao Li
Head and neck cancers (HNCs) include a series of malignant tumors arising in epithelial tissues, typically oral cancer, laryngeal cancer, nasopharynx cancer and thyroid cancer. HNCs are important contributors to cancer incidence and mortality, leading to approximately 225,100 new patients and 77,500 deaths in China every year. Determination of the mechanisms of HNC carcinogenesis and progression is an urgent priority in HNC treatment. Long noncoding RNAs (lncRNAs) are noncoding RNAs longer than 200 bps. lncRNAs have been reported to participate in a broad scope of biological processes, and lncRNA dysregulation leads to diverse human diseases, including cancer...
October 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/27799362/animal-models-of-medullary-thyroid-cancer-state-of-the-art-and-view-to-the-future
#19
Giovanni Vitale, Germano Gaudenzi, Luisa Circelli, Marco Federico Manzoni, Andrea Bassi, Niccolò Fioritti, Antongiulio Faggiano, Annamaria Al Colao
Medullary thyroid carcinoma is a neuroendocrine tumour originating from parafollicular C cells accounting for 5-10% of thyroid cancers. Increased understanding of disease-specific molecular targets of therapy has led to the regulatory approval of two drugs (vandetanib and cabozantinib) for the treatment of medullary thyroid carcinoma. These drugs increase progression free survival, however, they are often poorly tolerated and most treatment responses are transient. Animal models are indispensable tools for investigating the pathogenesis, mechanisms for tumour invasion and metastasis, and new therapeutic approaches for cancer...
October 31, 2016: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27798860/histone-deacetylase-inhibitors-a-novel-therapeutic-weapon-against-medullary-thyroid-cancer
#20
REVIEW
Christos Damaskos, Serena Valsami, Eleftherios Spartalis, Efstathios A Antoniou, Periklis Tomos, Stefanos Karamaroudis, Theofano Zoumpou, Vasilios Pergialiotis, Konstantinos Stergios, Constantinos Michaelides, Konstantinos Kontzoglou, Despina Perrea, Nikolaos Nikiteas, Dimitrios Dimitroulis
BACKGROUND/AIM: Medullary thyroid cancer (MTC) is highly malignant, metastatic and recurrent, remaining generally incurable, and responsible for approximately 14% of all thyroid carcinoma-related deaths. MTC can metastasize to lymph nodes, trachea and distant organs, such as brain, lungs, liver and bones. MTC cells are resistant to chemotherapy and traditional external therapies are not showing definite clinical benefits. Scientists are trying to understand the molecular background of carcinogenesis and histone deacetylase (HDAC) seems to play a potential role to gene transcription...
October 2016: Anticancer Research
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