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https://www.readbyqxmd.com/read/28214940/transcriptional-and-biochemical-alterations-in-zebrafish-eleuthero-embryos-danio-rerio-after-exposure-to-synthetic-progestogen-dydrogesterone
#1
Wen-Jun Shi, Guang-Guo Ying, Guo-Yong Huang, Yan-Qiu Liang, Li-Xin Hu, Jian-Liang Zhao, Jin-Na Zhang
Little information has so far been known on the effects of synthetic progestogen dydrogesterone (DDG) in organisms like fish. This study aimed to investigate the effects of DDG on the transcriptional and biochemical alterations in zebrafish eleuthero-embryos. Zebrafish eleuthero-embryos were analyzed for the transcriptional alterations by real-time quantitative PCR (RT-qPCR) and biochemical changes by attenuated total reflection Fourier-transform infrared spectroscopy (ATR-FITR) after 144 h exposure to DDG...
February 18, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28214217/malignant-tumors-associated-with-ovarian-mature-teratoma-a-single-institution-experience
#2
Levent Trabzonlu, Guray Durmaz, Cigdem Vural, Bahar Muezzinoglu, Aydin Corakci
OBJECTIVE: The aims of this study are to present demographical features of cases diagnosed with malignant tumor associated with ovarian mature teratoma and to analyze histopathological features and clinical follow up of these tumors. STUDY DESIGN: Single-institution retrospective charts were reviewed to identify all cases of ovarian mature teratoma diagnosed from 1998 to 2015. Clinicopathological parameters that were analyzed include age, tumor size, tumor stage, histological type, laterality, IOC diagnosis and whether or not patient has received adjuvant chemotherapy...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214214/diagnostic-utility-of-ck19-and-cd56-in-the-differentiation-of-thyroid-papillary-carcinoma-from-its-mimics
#3
Nehal S Abouhashem, Suzan M Talaat
BACKGROUND: Papillary Thyroid Carcinoma (PTC) is the most common type of malignant thyroid tumors. The main diagnostic clue of PTC is the presence of its characteristic nuclear features. Yet, the focal presence of these features in other thyroid lesions causes a diagnostic dilemma. AIM: To evaluate Cytokeratin 19 (CK19) and CD56 immunostains as useful diagnostic markers in distinguishing papillary thyroid carcinoma from other mimicking thyroid lesions. METHODS: Eighty cases of different thyroid lesions were submitted for immunohistochemical staining of CK19 and CD56...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214213/the-relationship-between-brafv600e-nf-%C3%AE%C2%BAb-and-tgab-expression-in-papillary-thyroid-carcinoma
#4
Wei Li, Hui Ming, Danyang Sun, Wei Li, Dan Wang, Guizhi Zhang, Jian Tan
PURPOSE: The aim of this study was to investigate the potential link between thyroglobulin antibody (TgAb) titers and papillary thyroid carcinoma (PTC) aggressiveness. MATERIALS AND METHODS: This retrospective study included 122 patients who had undergone total thyroidectomy and neck central area lymph dissection followed by radioactive iodine (RAI) ablation for PTC between July 2012 and July 2014. The parameters included clinical characteristics of PTC, TgAb levels and tumor histopathological characteristics...
January 12, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214212/primary-multiple-tumor-with-affection-of-the-thyroid-gland-uterus-urinary-bladder-mammary-gland-and-other-organs
#5
А Romaniuk, M Lyndin, V Smiyanov, Vl Sikora, A Rieznik, Y Kuzenko, H Budko, Yu Moskalenko, L Karpenko, Vol Sikora, O Gladchenko
BACKGROUND: Nowadays multiple primary tumor is characterized by growth and development of two or more tumors in one patient. The total world sickness rate ranges from 1% to 37%. The presence of four or more tumors in one patient is rare case and presented as casuistry. CASE PRESENTATION: We showed a case of multiple primary tumor with metahronic lesion of the thyroid, uterus and breast, followed by synchronous benign tumors of the subcutaneous fat, urinary bladder and gallbladder were considered...
January 19, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214211/expression-of-bmp-4-in-papillary-thyroid-carcinoma-and-its-correlation-with-tumor-invasion-and-progression
#6
Xiaomei Meng, Peng Zhu, Ning Li, Jinchen Hu, Shaoguang Wang, Shuguang Pang, Jiahui Wang
Bone morphogenetic protein 4 (BMP-4) is a member of the BMP protein family. BMP-4 was reported to induce epithelial-mesenchymal transition (EMT) and promote tumor cell immigration and invasion. This study aimed to investigate the expression of BMP-4 in papillary thyroid carcinoma (PTC) and its correlation with the patients' clinicophathological features and with tumor invasion and metastasis. Surgically resected PTC specimens from 82 patients admitted to the Department of Thyroid Surgery of Yantai Yuhuangding Hospital between Feb 1st and May 31st, 2016 were collected...
January 17, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213851/-sonoelastography-in-daily-clinical-routine
#7
J Rübenthaler, K Müller-Peltzer, M Reiser, D Rjosk-Dendorfer, D-A Clevert
CLINICAL ISSUE: In the daily clinical routine characterization of focal lesions using native B‑mode classical ultrasound and color Doppler can be difficult or insufficient; therefore, additional diagnostic information must be taken into consideration. STANDARD RADIOLOGICAL METHODS: Standard radiological methods in the daily clinical routine include native B‑mode ultrasound and color Doppler ultrasound. METHODICAL INNOVATIONS: Using sonoelastography it is possible to evaluate and characterize tissue properties and focal lesions regarding their stiffness to acquire additional information on a noninvasive basis...
February 17, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28213773/radioiodine-treatment-after-surgery-for-differentiated-thyroid-cancer-a-reasonable-option
#8
EDITORIAL
Jérôme Clerc, Frederik A Verburg, Anca M Avram, Luca Giovanella, Elif Hindié, David Taïeb
No abstract text is available yet for this article.
February 17, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28213643/ultrasound-guided-fine-needle-aspiration-biopsy-of-thyroid-nodules-in-patients-on-oral-anticoagulants
#9
E Grandone, D Barcellona, D Colaizzo, F Marongiu
No abstract text is available yet for this article.
February 17, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28213641/role-of-levothyroxine-and-vitamin-e-supplementation-in-the-treatment-of-oxidative-stress-induced-injury-and-apoptosis-of-myocardial-cells-in-hypothyroid-rats
#10
J Ye, X Zhong, Y Du, C Cai, T Pan
OBJECTIVE: To explore the underlying mechanism and treatment of myocardial injury caused by hypothyroidism, we evaluated oxidative stress in serum and myocardial tissue of hypothyroid rats. The effect of levothyroxine (LT4) replacement therapy and vitamin E (VitE) supplementation on oxidative stress-induced injury and apoptosis of myocardial tissue is examined. METHODS: Male Sprague-Dawley rats were divided into five groups: normal control group, propylthiouracil group (PTU group), LT4 treatment group (PTU + LT4 group), vitamin E treatment group (PTU + VitE group), and combined treatment group (PTU + LT4 + VitE group)...
February 17, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28213092/prediction-of-thyroid-c-cell-carcinogenicity-after-chronic-administration-of-glp1-r-agonists-in-rodents
#11
Willem van den Brink, Annette Emerenciana, Francesco Bellanti, Oscar Della Pasqua, Jan Willem van der Laan
Increased incidence of C-cell carcinogenicity has been observed for glucagon-like-protein-1 receptor (GLP-1r) agonists in rodents. It is suggested that the duration of exposure is an indicator of carcinogenic potential in rodents of the different products on the market. Furthermore, the role of GLP-1-related mechanisms in the induction of C-cell carcinogenicity has gained increased attention by regulatory agencies. This study proposes an integrative pharmacokinetic/pharmacodynamic (PKPD) framework to identify explanatory factors and characterize differences in carcinogenic potential of the GLP-1r agonist products...
February 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28212894/exogenous-thyroid-hormones-regulate-the-activity-of-citrate-synthase-and-cytochrome-c-oxidase-in-warm-but-not-cold-acclimated-lake-whitefish-coregonus-clupeaformis
#12
Megan A Zak, Amy M Regish, Stephen D McCormick, Richard G Manzon
Thermal acclimation is known to elicit metabolic adjustments in ectotherms, but the cellular mechanisms and endocrine control of these shifts have not been fully elucidated. Here we examined the relationship between thermal acclimation, thyroid hormones and oxidative metabolism in juvenile lake whitefish. Impacts of thermal acclimation above (19 °C) or below (8 °C) the thermal optimum (13 °C) and exposure to exogenous thyroid hormone (60 µg T4/g body weight) were assessed by quantifying citrate synthase and cytochrome c oxidase activities in liver, red muscle, white muscle and heart...
February 14, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28212844/thyroid-stimulating-hormone-increases-hepatic-gluconeogenesis-via-crtc2
#13
Yujie Li, Laicheng Wang, Lingyan Zhou, Yongfeng Song, Shizhan Ma, Chunxiao Yu, Jiajun Zhao, Chao Xu, Ling Gao
Epidemiological evidence indicates that thyroid stimulating hormone (TSH) is positively correlated with abnormal glucose levels. We previously reported that TSH has direct effects on gluconeogenesis. However, the underlying molecular mechanism remains unclear. In this study, we observed increased fasting blood glucose and glucose production in a mouse model of subclinical hypothyroidism (only elevated TSH levels). TSH acts via the classical cAMP/PKA pathway and CRTC2 regulates glucose homeostasis. Thus, we explore whether CRTC2 is involved in the process of TSH-induced gluconeogenesis...
February 14, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28212640/urinary-iodine-in-early-pregnancy-is-associated-with-subclinical-hypothyroidism-in-tianjin-china-an-observational-study
#14
Kunling Wang, Jie Zhang, Fengao Li, Wanqi Zhang, Hao Wang, Li Ding, Yaxin Liu, Laixiang Lin, Shuang Zhang, Mei Zhu
BACKGROUND: Subclinical hypothyroidism (SH) is associated with adverse obstetric outcomes and neurodevelopment disorders. Both iodine deficiency and excess are associated with SH; however, few data regarding iodine nutrition status of pregnant women with SH are available. This study aimed to clarify whether iodine deficiency or excess is associated with SH, especially, when test results for anti-thyroid autoantibodies are negative. METHODS: A total of 115 women with SH and 104 women with euthyroidism (EH) in early pregnancy in Tianjin, China were investigated, and their serum thyroid-stimulating hormone, free thyroxine, free triiodothyronine, anti-thyroid peroxidase antibody (TPOAb), anti-thyroid globulin antibody (TGAb), urinary iodine (UIC), and urinary creatinine (UCr) concentrations were measured...
February 17, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28211803/comparison-of-two-different-2d-shear-wave-speed-imaging-techniques-for-diagnosis-of-thyroid-nodules-the-first-initial-experience
#15
Ya-Ping He, Hui-Xiong Xu, Xiao-Long Li, Dan-Dan Li, Xiao-Wan Bo, Chong-Ke Zhao, Bo-Ji Liu, Dan Wang, Hui-Xiong Xu
OBJECTIVE: The aim of this study was to compare the diagnostic performance of two different 2D shear wave speed imaging techniques of Virtual Touch Tissue Imaging & Quantification (VTIQ) and Toshiba shear wave elastography (T-SWE) in predicting malignant thyroid nodules (TNs). MATERIALS AND METHODS: 75 TNs in 75 patients which were subject to both VTIQ and T-SWE examinations were enrolled and analyzed. Shear wave speed (SWS) values on VTIQ and T-SWE were computed (SWS_max, min, mean and median)...
February 17, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28211232/thyroid-fine-needle-aspiration-cytology-mimicking-thyroid-papillary-cancer-in-a-lung-cancer-patient
#16
Chih-Yu Hsu, Ching-Ling Lin, Ming-Lin Tsai, Shih-Hung Huang
No abstract text is available yet for this article.
March 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28210770/the-reset-button-revisited-why-high-activity-131-i-therapy-of-advanced-differentiated-thyroid-cancer-after-dosimetry-is-advantageous-for-patients
#17
EDITORIAL
Frederik A Verburg, Markus Luster, Luca Giovanella, Michael Lassmann, Carlo Chiesa, Nicolas Chouin, Glenn Flux
No abstract text is available yet for this article.
February 16, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28209908/prescribed-activities-of-i-131-therapies-in-differentiated-thyroid-cancer-invited-commentary
#18
Douglas Van Nostrand
No abstract text is available yet for this article.
February 16, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28209747/pediatric-adolescent-and-young-adult-thyroid-carcinoma-harbors-frequent-and-diverse-targetable-genomic-alterations-including-kinase-fusions
#19
Pierre Vanden Borre, Alexa B Schrock, Peter M Anderson, John C Morris, Andreas M Heilmann, Oliver Holmes, Kai Wang, Adrienne Johnson, Steven G Waguespack, Sai-Hong Ignatius Ou, Saad Khan, Kar-Ming Fung, Philip J Stephens, Rachel L Erlich, Vincent A Miller, Jeffrey S Ross, Siraj M Ali
BACKGROUND: Thyroid carcinoma, which is rare in pediatric patients (age 0-18 years) but more common in adolescent and young adult (AYA) patients (age 15-39 years), carries the potential for morbidity and mortality. METHODS: Hybrid-capture-based comprehensive genomic profiling (CGP) was performed prospectively on 512 consecutively submitted thyroid carcinomas, including 58 from pediatric and AYA (PAYA) patients, to identify genomic alterations (GAs), including base substitutions, insertions/deletions, copy number alterations, and rearrangements...
February 16, 2017: Oncologist
https://www.readbyqxmd.com/read/28209604/birth-size-risk-factors-across-life-and-cognition-in-late-life-protocol-of-prospective-longitudinal-follow-up-of-the-mynah-mysore-studies-of-natal-effects-on-ageing-and-health-cohort
#20
Murali Krishna, G Mohan Kumar, S R Veena, G V Krishnaveni, Kalyanaraman Kumaran, Samuel Christaprasad Karat, Patsy Coakley, Clive Osmond, John R M Copeland, Giriraj Chandak, Dattatray Bhat, Mathew Varghese, Martin Prince, Caroline Fall
INTRODUCTION: For late-life neurocognitive disorders, as for other late-life chronic diseases, much recent interest has focused on the possible relevance of Developmental Origins of Health and Disease (DOHaD). Programming by undernutrition in utero, followed by overnutrition in adult life may lead to an increased risk, possibly mediated through cardiovascular and metabolic pathways. This study will specifically examine, if lower birth weight is associated with poorer cognitive functioning in late life in a south Indian population...
February 16, 2017: BMJ Open
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