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https://www.readbyqxmd.com/read/28635560/sorafenib-in-japanese-patients-with-locally-advanced-or-metastatic-medullary-thyroid-carcinoma-and-anaplastic-thyroid-carcinoma
#1
Yasuhiro Ito, Naoyoshi Onoda, Ken-Ichi Ito, Iwao Sugitani, Shunji Takahashi, Iku Yamaguchi, Koki Kabu, Katsuya Tsukada
BACKGROUND: Therapeutic options for treating advanced or metastatic medullary thyroid carcinoma (MTC) and anaplastic thyroid carcinoma (ATC) are still limited in Japan even though vandetanib for MTC, and lenvatinib for MTC and ATC have been approved. Sorafenib is an oral multikinase inhibitor approved for the treatment of patients with radioactive iodine-refractory (RAI-R) differentiated thyroid cancer (DTC). We conducted an uncontrolled, open-label, multicenter, single-arm, phase 2 clinical study to evaluate the safety and efficacy of sorafenib in Japanese patients with MTC and ATC...
June 21, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28634282/genomic-alterations-in-fatal-forms-of-non-anaplastic-thyroid-cancer-identification-of-med12-and-rbm10-as-novel-thyroid-cancer-genes-associated-with-tumor-virulence
#2
Tihana Ibrahimpasic, Bin Xu, Iñigo Landa, Snjezana Dogan, Sumit Middha, Venkatraman Seshan, Shyamprasad Deraje Vasudeva, Diane Carlson, Jocelyn Migliacci, Jeffrey A Knauf, Brian R Untch, Michael F Berger, Luc Gt Morris, R Michael Tuttle, Timothy A Chan, James A Fagin, Ronald Ghossein, Ian Ganly
Purpose. Patients with anaplastic thyroid cancer have a very high death rate. In contrast, deaths from non-anaplastic thyroid cancer are much less common. The genetic alterations in fatal non-anaplastic thyroid cancers have not been reported. <p>Experimental Design. We performed next-generation sequencing of 410 cancer genes from 57 fatal non-anaplastic thyroid primary cancers. Results were compared to The Cancer Genome Atlas study (TCGA study) of papillary thyroid cancers (PTC) and to the genomic changes reported in anaplastic thyroid cancer (ATC)...
June 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28631057/diabetes-mellitus-a-risk-factor-for-seizures-in-the-elderly-a-population-based-study
#3
Marta Baviera, Maria Carla Roncaglioni, Mauro Tettamanti, Tommaso Vannini, Ida Fortino, Angela Bortolotti, Luca Merlino, Ettore Beghi
AIMS: To evaluate the association between diabetes mellitus (DM) and risk of seizures in a well-defined elderly population. METHODS: The administrative databases of the Lombardy region (a 10 million population area in Northern Italy) were used to identify persons aged 65 years or older with DM (defined by prescription of antidiabetic drugs and/or through ICD-9 CM code and/or exemption code for diabetes) during the year 2002. Seizure-free DM subjects were followed until 2012 in search of individuals with incident seizures (identified through ICD-9 CM codes for epilepsy/seizures or ATC codes for antiepileptic drugs associated with the prescription of an electroencephalogram)...
June 19, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28620501/efficacy-of-lenvatinib-in-a-patient-with-anaplastic-thyroid-cancer
#4
Kazuyuki Oishi, Daisuke Takabatake, Yuichi Shibuya
We experienced a case of an 82-year-old woman who presented to our hospital with a 1-month history of dysphagia and dyspnea. Cervical contrast-enhanced computed tomography revealed diffuse thyroid neoplasms causing significant tracheal stenosis with tumors, particularly of the superior mediastinum, which were associated with an embolism of the brachiocephalic vein and suspected invasion to the bilateral common carotid arteries. Anaplastic thyroid cancer (ATC) was diagnosed by fine-needle aspiration; thus, emergency tracheostomy and gastrostomy were performed...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28617230/predicting-anatomic-therapeutic-chemical-classification-codes-using-tiered-learning
#5
Thomas Olson, Rahul Singh
BACKGROUND: The low success rate and high cost of drug discovery requires the development of new paradigms to identify molecules of therapeutic value. The Anatomical Therapeutic Chemical (ATC) Code System is a World Health Organization (WHO) proposed classification that assigns multi-level codes to compounds based on their therapeutic, pharmacological and chemical characteristics as well as the in-vivo sites(s) of activity. The ability to predict ATC codes of compounds can assist in creation of high-quality chemical libraries for drug screening and in applications such as drug repositioning...
June 7, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28611575/ica-derived-eeg-correlates-to-mental-fatigue-effort-and-workload-in-a-realistically-simulated-air-traffic-control-task
#6
Deepika Dasari, Guofa Shou, Lei Ding
Electroencephalograph (EEG) has been increasingly studied to identify distinct mental factors when persons perform cognitively demanding tasks. However, most of these studies examined EEG correlates at channel domain, which suffers the limitation that EEG signals are the mixture of multiple underlying neuronal sources due to the volume conduction effect. Moreover, few studies have been conducted in real-world tasks. To precisely probe EEG correlates with specific neural substrates to mental factors in real-world tasks, the present study examined EEG correlates to three mental factors, i...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28600475/dual-inhibition-of-hdac-and-tyrosine-kinase-signaling-pathways-with-cudc-907-inhibits-thyroid-cancer-growth-and-metastases
#7
Shweta Kotian, Lisa Zhang, Myriem Boufraqech, Kelli Gaskins, Sudheer Kumar Gara, Martha M Quezado, Naris Nilubol, Electron Kebebew
PURPOSE: There is currently no standard therapy for anaplastic thyroid cancer (ATC) and poorly differentiated thyroid cancer (PDTC), which account for two-thirds of thyroid cancer deaths. Driver mutations in the PI3K/AKT and RAF/RAS/MEK/ERK pathways are common in ATC and PDTC. Histone deacetylases (HDACs) regulate cancer initiation and progression. Our aim was to determine the therapeutic efficacy of simultaneously targeting these pathways in thyroid cancer with a single agent, and to evaluate biomarkers of treatment response...
June 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28594480/comparison-of-drug-benefits-provided-by-veterans-affairs-canada-and-the-canadian-forces-health-services-group
#8
Matthew Chow, Charles J Wicks, Janice Ma, Sylvain Grenier
BACKGROUND: Drug benefits are provided at public expense to all actively serving Canadian Armed Forces (CAF) personnel, with ongoing drug coverage offered by Veterans Affairs Canada (VAC) for selected conditions following termination of employment. Differences in drug coverage between these programs could introduce risks for treatment disruption. OBJECTIVES: Work was undertaken to establish a process that would allow systematic comparison of the entire VAC and CAF formularies, and to identify and explain discordant listings in 14 therapeutic categories that pose risk of adverse outcomes with sudden treatment interruption...
May 23, 2017: Journal of Population Therapeutics and Clinical Pharmacology
https://www.readbyqxmd.com/read/28582404/drug-class-specific-changes-in-the-volume-and-cost-of-antidiabetic-medications-in-poland-between-2012-and-2015
#9
Andrzej Śliwczyński, Melania Brzozowska, Andrzej Jacyna, Petre Iltchev, Tymoteusz Iwańczuk, Waldemar Wierzba, Michał Marczak, Katarzyna Orlewska, Piotr Szymański, Ewa Orlewska
AIM: to investigate the drug-class-specific changes in the volume and cost of antidiabetic medications in Poland in 2012-2015. METHODS: This retrospective analysis was conducted based on the National Health Fund database covering an entire Polish population. The volume of antidiabetic medications is reported according to ATC/DDD methodology, costs-in current international dollars, based on purchasing power parity. RESULTS: During a 4-year observational period the number of patients, consumption of antidiabetic drugs and costs increased by 17%, 21% and 20%, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28576880/differential-regulation-of-monocarboxylate-transporter-8-expression-in-thyroid-cancer-and-hyperthyroidism
#10
Julia Badziong, Saskia Ting, Sarah Synoracki, Vera Tiedje, Klaudia Brix, Georg Brabant, Lars C Moeller, Kurt Werner Schmid, Dagmar Führer-Sakel, Denise Zwanziger
OBJECTIVE: Thyroid hormone (TH) transporters are expressed in thyrocytes and most likely/putatively may play a role in TH-release. We asked whether expression of the monocarboxylate transporter 8 (MCT8) and the L-type amino acid transporters LAT2 and LAT4 is changed with thyrocyte dedifferentiation and in hyperfunctioning thyroid tissues. DESIGN AND METHODS: Protein expression and localization of transporters was determined by immunohistochemistry in human thyroid specimen including normal thyroid tissue (NT, n=19), follicular adenoma (FA, n=44), follicular thyroid carcinoma (FTC, n=45), papillary thyroid carcinoma (PTC, n=40), anaplastic thyroid carcinoma (ATC, n=40) and Graves' disease (GD, n=50) by calculating the 'hybrid' (H) score...
June 2, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28566082/-femoral-hemodialysis-catheter-related-bacteremia-due-to-globicatella-sanguinis-challenges-in-species-identification
#11
Elif Aktaş, Nafia Canan Gürsoy, Tamer Sakacı, Yener Koç, Aziz Ahmad Hamidi, Emin Bulut, Duygu Erdemir, Barış Otlu
In this case, catheter-related bacteremia due to Globicatella sanguinis in a 43 years old female patient undergoing hemodialysis with the diagnosis of diabetic nephropathy was presented and the methods in the laboratory diagnosis of the rare opportunistic pathogen, Globicatella cins, were nvestigated. A set of peripheral blood cultures and simultaneous catheter culture was obtained from the patient in third of May 2016. Biochemical tests, Phoenix (Becton Dickinson, USA) and MicroScan (Beckman Coulter, USA) automated systems and matrix assisted laser desorption/ionization-time of flight-mass spectrometry (MALDI-TOF MS) based Microflex MS (Bruker, Daltonics, Germany) and VITEK MS (database v2...
April 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28552827/metastatic-thyroid-carcinoma-without-identifiable-primary-tumor-within-the-thyroid-gland-a-retrospective-study-of-a-rare-phenomenon
#12
Bin Xu, Theresa Scognamiglio, Perry R Cohen, Manju L Prasad, Adnan Hasanovic, R Michael Tuttle, Nora Katabi, Ronald A Ghossein
Metastatic papillary thyroid carcinoma without an identifiable primary tumor despite extensive microscopic examination of the thyroid gland is a rare but true phenomenon. We retrieved seven of such cases and described in details the clinical and pathologic features of these tumors. BRAF V600E immunohistochemistry and Sequenom molecular profile were conducted in selected cases. All patients harbored metastatic disease in the central (n=3), lateral (n=3), or both neck compartments (n=1). The histotype of the metastatic disease was papillary thyroid carcinoma (PTC, n=5), poorly differentiated thyroid carcinoma (PDTC) in association with a PTC columnar variant (n=1), and anaplastic thyroid carcinoma (ATC) in association with a PTC tall cell variant (n=1)...
May 25, 2017: Human Pathology
https://www.readbyqxmd.com/read/28552796/epigenetic-modifications-in-poorly-differentiated-and-anaplastic-thyroid-cancer
#13
REVIEW
Thanyawat Sasanakietkul, Timothy D Murtha, Mahsa Javid, Reju Korah, Tobias Carling
Well-differentiated thyroid cancer accounts for the majority of endocrine malignancies and, in general, has an excellent prognosis. In contrast, the less common poorly differentiated thyroid carcinoma (PDTC) and anaplastic thyroid carcinoma (ATC) are two of the most aggressive human malignancies. Recently, there has been an increased focus on the epigenetic alterations underlying thyroid carcinogenesis, including those that drive PDTC and ATC. Dysregulated epigenetic candidates identified include the Aurora group, KMT2D, PTEN, RASSF1A, multiple non-coding RNAs (ncRNA), and the SWI/SNF chromatin-remodeling complex...
May 25, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28552578/structural-insight-into-the-core-of-cad-the-multifunctional-protein-leading-de-novo-pyrimidine-biosynthesis
#14
María Moreno-Morcillo, Araceli Grande-García, Alba Ruiz-Ramos, Francisco Del Caño-Ochoa, Jasminka Boskovic, Santiago Ramón-Maiques
CAD, the multifunctional protein initiating and controlling de novo biosynthesis of pyrimidines in animals, self-assembles into ∼1.5 MDa hexamers. The structures of the dihydroorotase (DHO) and aspartate transcarbamoylase (ATC) domains of human CAD have been previously determined, but we lack information on how these domains associate and interact with the rest of CAD forming a multienzymatic unit. Here, we prove that a construct covering human DHO and ATC oligomerizes as a dimer of trimers and that this arrangement is conserved in CAD-like from fungi, which holds an inactive DHO-like domain...
June 6, 2017: Structure
https://www.readbyqxmd.com/read/28551587/efficient-click-chemistry-towards-fatty-acids-containing-1-2-3-triazole-design-and-synthesis-as-potential-antifungal-drugs-for-candida-albicans
#15
Nina Fu, Suiliang Wang, Yuqian Zhang, Caixia Zhang, Dongliang Yang, Lixing Weng, Baomin Zhao, Lianhui Wang
Candida is an important opportunistic human fungal pathogen. The cis-2-dodecenoic acid (BDSF) showing in vitro activity of against C. albicans growth, germ-tube germination and biofilm formation has been a potential inhibitor for Candida and other fungi. In this study, facile synthetic strategies toward a novel family of BDSF analogue, 1-alkyl-1H-1,2,3-triazole-4-carboxylic acids (ATCs) was developed. The straightforward synthetic method including converting the commercial available alkyl bromide to alkyl azide, consequently with a typical click chemistry method, copper(II) sulfate and sodium ascorbate as catalyst in water to furnish ATCs with mild to good yields...
May 2, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28550415/high-expression-of-grp78-bip-as-a-novel-predictor-of-favorable-outcomes-in-patients-with-advanced-thymic-carcinoma
#16
Yosuke Miura, Kyoichi Kaira, Reiko Sakurai, Hisao Imai, Yoshio Tomizawa, Noriaki Sunaga, Koichi Minato, Takeshi Hisada, Tetsunari Oyama, Masanobu Yamada
BACKGROUND: Glucose-regulated protein (GRP) 78/immunoglobulin heavy chain binding protein (BiP) is a member of the endoplasmic reticulum chaperone family, and its role in various types of human malignancies has recently been investigated. However, the clinicopathological characteristics of GRP78/BiP in advanced thymic carcinoma (ATC) remain unknown. We aimed to examine the relationship between GRP78/BiP expression and the clinical outcomes of ATC patients. METHODS: Thirty-four patients with ATC receiving combination chemotherapy at three institutions between April 1998 and April 2014 were enrolled in this study...
May 26, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28544576/atypical-adenoma-of-the-thyroid-diagnosed-as-anaplastic-cancer-by-cytopathology
#17
Hiromitsu Hatakeyama, Kimiko Hoshino, Kenji Mizoguchi, Takayoshi Suzuki, Kanako C Hatanaka, Yukie Yamaya, Satoshi Kano, Takatsugu Mizumachi, Akihiro Homma
Atypical adenoma of the thyroid is a rare form of tumor, and its accurate diagnosis prior to surgical resection is difficult as the histological and pathological morphologies are very similar to those of anaplastic thyroid carcinoma (ATC), and its anaplastic transformation remains to be elucidated. We reported a case of a 75-year-old female with a thyroid isthmus nodule diagnosed repeatedly by FNAC as anaplastic carcinoma. Both the first and second FNAC specimen slides showed a large number of scattered or aggregated atypical cells consisting of large, pleomorphic nuclei with irregular membranes, chromatin clumps and prominent nucleoli...
May 22, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28544188/novel-tool-for-deprescribing-in-chronic-patients-with-multimorbidity-list-of-evidence-based-deprescribing-for-chronic-patients-criteria
#18
Aitana Rodríguez-Pérez, Eva Rocío Alfaro-Lara, Sandra Albiñana-Perez, María Dolores Nieto-Martín, Jesús Díez-Manglano, Concepción Pérez-Guerrero, Bernardo Santos-Ramos
AIM: To create a tool to identify drugs and clinical situations that offers an opportunity of deprescribing in patients with multimorbidity. METHODS: A literature review completed with electronic brainstorming, and subsequently, a panel of experts using the Delphi methodology were applied. The experts assessed the criteria identified in the literature and brainstorming as possible situations for deprescribing. They were also asked to assess the influence of life prognosis in each criterion...
May 21, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28540691/expression-of-micrornas-in-thyroid-carcinoma
#19
Gaohong Zhu, Lijun Xie, Daniel Miller
MicroRNA (miRNA) are negative regulators of gene expression and subsequent protein production. This method of action translates into regulatory control over cellular processes, including development, signaling, metabolism, and apoptosis. A broad range of miRNA are shown to have abnormal expressions in thyroid cancers which could explain the pathology of tumor oncogenesis and disease progression. A review is conducted of the current research on miRNA dysregulation in thyroid cancers, including papillary thyroid carcinoma (PTC), follicular thyroid carcinoma (FTC), anaplastic thyroid cancer (ATC), and medullary thyroid carcinoma (MTC)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28531770/treatment-consumption-and-treatment-re-enrollment-in-ghb-dependent-patients-in-the-netherlands
#20
Martijn S van Noorden, Ton Mol, Jeroen Wisselink, Wil Kuijpers, Boukje A G Dijkstra
BACKGROUND: The objective of this study was to assess treatment consumption and re-enrollment in treatment in patients with gamma-hydroxybutyrate (GHB)-dependence in Dutch Addiction Treatment Centers (ATCs) in comparison with other addictions. METHODS: A cohort-study using nationwide administrative data from regular Dutch ATCs associated with the Dutch National Alcohol and Drugs Information System (LADIS), covering an estimated 95% of ATCs. We selected in- and out-patients with alcohol, drug and/or behavioral addictions with a first treatment episode in 2008-2011 and consecutive treatments until 2013 (n=71,679)...
May 16, 2017: Drug and Alcohol Dependence
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