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thyroglobulin

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https://www.readbyqxmd.com/read/29242405/digitalis-like-compounds-restore-hnis-expression-and-iodide-uptake-capacity-in-anaplastic-thyroid-cancer
#1
Marika H Tesselaar, Thomas Crezee, Imke Schuurmans, Danny Gerrits, James Nagarajah, Otto C Boerman, Ilse van Engen-van Grunsven, Johannes W A Smit, Romana T Netea-Maier, Theo S Plantinga
Purpose: Anaplastic thyroid cancer (ATC) is a rare malignancy that accounts for 1-2% of all thyroid cancers. ATC is one of the most aggressive human cancers, with rapid growth, tumor invasion and development of distant metastases. The median survival is only 5 months and the 1-year survival is less than 20%. Moreover, as a result of severe dedifferentiation including the loss of human sodium iodide symporter (hNIS) expression, radioactive iodide (RAI) therapy is ineffective. Recently, we have demonstrated beneficial effects of autophagy activating digitalis-like compounds (DLCs) on redifferentiation and concomitant restoration of iodide uptake in RAI-refractory papillary and follicular thyroid cancer cell lines...
December 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29240027/congenital-hemophilia-a-presenting-with-hashimoto-s-encephalopathy-and-myocarditis-the-first-reported-case
#2
Ayse B Ergul, Yasemin Altuner Torun, Umut Altug, Fatma T Mutlu, Serkan F Celik, Ahmet S Guven
Here, we report a case of hemophilia A with myocarditis, encephalopathy, and spontaneous intramedullary hemorrhage. A 14-month-old male infant presented with loss of consciousness, generalized tonic-clonic convulsions, and cardiac failure. The neurological examination was normal. Myocarditis was diagnosed. After administration of fresh frozen plasma, the aPTT did not return to normal. The factor VIII (FVIII) level was 10.2% the normal level, and the patient was diagnosed with hemophilia A. The cerebrospinal fluid (CSF) evaluation was unremarkable, with the exception of elevated CSF protein levels...
December 12, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29238849/video-assisted-thyroidectomy-for-papillary-thyroid-carcinoma-oncologic-outcome-in-patients-with-follow-up%C3%A2-%C3%A2-%C3%A2-10-years
#3
Rocco Bellantone, Marco Raffaelli, Carmela De Crea, Luca Sessa, Emanuela Traini, Pietro Princi, Celestino Pio Lombardi
BACKGROUND: Video-assisted thyroidectomy (VAT) arisen as a valid treatment for selected patients with papillary thyroid carcinoma (PTC), but no data concerning long-term oncologic outcome are available. The primary aim of the study was to evaluate the oncologic outcome of patients who underwent VAT for PTC with a follow-up ≥ 10 years. METHODS: The medical charts of all the patients who successfully underwent VAT for PTC were reviewed. The patients with a minimum follow-up period of 120-months were included...
December 13, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29234623/are-perinatal-events-risk-factors-for-childhood-thyroid-autoimmunity
#4
Berglind Jonsdottir, Markus Lundgren, Sara Wallengren, Åke Lernmark, Ida Jönsson, Helena Elding Larsson
Background: Environmental and genetic factors possibly trigger thyroid autoimmunity. Studies on perinatal risk factors for childhood thyroid autoimmunity are sparse. Objectives: The aim was to investigate if perinatal factors, family history of autoimmune diseases, and HLA-DQ genotypes contribute to thyroid autoimmunity in the Diabetes Prediction in Skåne (DiPiS) study. Methods: Samples from 1,874 ten-year-old children were analyzed for autoantibodies to thyroid peroxidase (TPOAb), thyroglobulin (TGAb), and HLA-DQ genotypes...
November 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/29234622/impact-of-serum-tsh-and-anti-thyroglobulin-antibody-levels-on-lymph-node-fine-needle-aspiration-thyroglobulin-measurements-in-differentiated-thyroid-cancer-patients
#5
Marta Amaro da Silveira Duval, André Borsatto Zanella, Ana Patrícia Cristo, Carlo Sasso Faccin, Marcia Silva Graudenz, Ana Luiza Maia
Background: Thyroglobulin measurements in the washout of fine needle aspiration (FNA-Tg) are an excellent tool to detect lymph node (LN) metastases of differentiated thyroid carcinoma (DTC). Nevertheless, how to define the best cutoffs and the influence of potential confounders are still being discussed. Objective: To evaluate the accuracy of FNA-Tg measurement to detect DTC metastases and the influence of thyroid status and anti-thyroglobulin antibodies (TgAb)...
November 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/29229463/circulating-epithelial-cells-as-potential-biomarkers-for-detection-of-recurrence-in-patients-of-papillary-thyroid-carcinoma-with-positive-serum-anti-thyroglobulin-antibody
#6
Yan-Rong Li, Ching-Ping Tseng, Hsueh-Ling Hsu, Hung-Chih Lin, Yi-An Chen, Szu-Tah Chen, Miaw-Jene Liou, Jen-Der Lin
BACKGROUND: Serum thyroglobulin (Tg) is not a reliable tumor marker for monitoring disease status after treatment in patients with papillary thyroid carcinoma (PTC) with positive anti-thyroglobulin antibody (TgAb). The aim of this study was to evaluate the clinical role of circulating epithelial cells (CECs) in PTC patients with positive serum TgAb and undetectable serum Tg. METHODS: A pilot study was performed to evaluate CECs in 25 PTC patients with positive serum TgAb and undetectable serum Tg...
December 8, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29228842/mammary-analogue-secretory-carcinoma-of-the-thyroid-mimicking-locally-advanced-papillary-thyroid-carcinoma-a-rare-case-report
#7
Haihui Liao, Ashraf Khan, Patricia M Miron, Kristine M Cornejo
Mammary analogue secretory carcinoma (MASC) harboring ETV6 gene rearrangements was first described in the salivary gland with a relatively favorable prognosis and a possible molecular therapeutic target with pan-Trk inhibitors. Recently, primary MASC of the thyroid gland has been reported. We report a case of a 4.0 cm MASC arising from the left thyroid of a 58-year-old female with extrathyroidal extension. Initially, it was diagnosed by fine needle aspiration as suspicious for papillary thyroid carcinoma (PTC) and subsequently called a poorly differentiated carcinoma on resection...
December 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29228620/unfavorable-efficacy-to-131i-ablation-in-brafv600e-mutant-papillary-thyroid-carcinoma-with-positive-tgab
#8
Na Zhang, Jun Liang, Yan-Song Lin
The BRAFV600E mutation has shown a close relationship of aggressiveness in papillary thyroid carcinoma (PTC), while it remains unclear about its influence on the therapeutic response. As a common clinicopathologic risk factor, thyroglobulin antibody (TgAb) may have a correlation of prognosis in PTC. The objective was to investigate the relationship between BRAFV600E mutation and TgAb, and their combined effect on efficacy to radioiodine remnant ablation (RRA). This was a retrospective study including 298 PTC patients and they were divided into four groups according to the combined status...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221487/clinical-laboratory-verification-of-thyroglobulin-concentrations-in-the-presence-of-autoantibodies-to-thyroglobulin-comparison-of-eia-radioimmunoassay-and-lc-ms-ms-measurements-in-an-urban-hospital
#9
Sarah E Wheeler, Li Liu, Harry C Blair, Richard Sivak, Nancy Longo, Jeffery Tischler, Kathryn Mulvey, Octavia M Peck Palmer
OBJECTIVE: Thyroglobulin (Tg) measurements assess recurrence in post-thyroidectomy thyroid cancer patients. Tg measurements by enzyme immunoassays (EIA) can be falsely elevated by interference from Tg autoantibodies (TgAb). Radioimmunoassay (RIA) is less susceptible to TgAb interference and has been the standard-of-care test for TgAb positive patients. Recently developed liquid chromatography tandem mass spectrometry (LC-MS/MS) methods may eliminate TgAb interference. We assessed the performance of Tg measurements by EIA, RIA and LC-MS/MS to evaluate TgAb interference differences...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29209067/preoperative-serum-thyroglobulin-predicts-initial-distant-metastasis-in-patients-with-differentiated-thyroid-cancer
#10
Hosu Kim, Young Nam Kim, Hye In Kim, So Young Park, Jun-Ho Choe, Jung-Han Kim, Jee Soo Kim, Jae Hoon Chung, Tae Hyuk Kim, Sun Wook Kim
Differentiated thyroid cancer (DTC) generally has a favorable prognosis. However, a small percentage of patients suffer from initial distant metastasis (DM). To date, there is no effective predictor for the presence of initial DM. The aim of this study was to determine if preoperative serum thyroglobulin (Tg) level could predict initial DM in DTC. We reviewed an institutional thyroid cancer database from October 1994 to February 2016. To determine the Tg cutoff for predicting initial DM, 4,735 patients who were diagnosed with DTC were included in this study...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29201490/18f-fdg-pet-guided-external-beam-radiotherapy-in-iodine-refractory-differentiated-thyroid-cancer-a-pilot-study
#11
Eleonora Farina, Fabio Monari, Paolo Castellucci, Fabrizio Romani, Andrea Repaci, Arianna Farina, Giuseppe Zanirato Rambaldi, Giovanni Frezza, Renzo Mazzarotto, Silvia Cammelli, Luca Tagliaferri, Rosa Autorino, Francesco Deodato, Gabriella Macchia, Savino Cilla, Vincenzo Valentini, Stefano Fanti, Alessio G Morganti
Introduction: To evaluate the clinical response rate after a postoperative 18F-FDG PET/CT guided external beam radiotherapy (EBRT) in Iodine-refractory differentiated thyroid cancer. Material and Methods: Patients with thyroid cancer locally recurrent after total thyroidectomy plus metabolic radiotherapy and treated with radical EBRT were included. Inclusion criteria were detectable thyroglobulin (Tg), negative postmetabolic radiotherapy whole body scintigraphy, and no surgical indications...
2017: Journal of Thyroid Research
https://www.readbyqxmd.com/read/29193327/effects-of-toceranib-phosphate-on-the-hypothalamic-pituitary-thyroid-axis-in-tumor-bearing-dogs
#12
K R Hume, V L Rizzo, J R Cawley, C E Balkman
BACKGROUND: Thyroid dysfunction is associated with the use of tyrosine kinase inhibitors (TKI) in people. HYPOTHESIS/OBJECTIVES: To determine whether dysfunction in the hypothalamic-pituitary-thyroid axis occurs in dogs receiving the TKI, toceranib phosphate. ANIMALS: Forty-three client-owned dogs with cancer. METHODS: Prospective, observational study. Concentrations of total thyroxine (TT4), free thyroxine (FT4), total triiodothyronine (TT3), and thyroid-stimulating hormone (TSH) were evaluated on day 0, 30, and 90...
November 30, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29190950/therapeutic-response-and-long-term-outcome-of-differentiated-thyroid-cancer-with-pulmonary-metastases-treated-by-radioiodine-therapy
#13
Jing Yang, Meng Liang, Yingying Jia, Li Wang, Lin Lin, Jianhua Geng, Shengzu Chen, Ye-Xiong Li, Rong Zheng
Objective: To explore the therapeutic response (TR) and long-term outcomes of iodine-131 (I-131) treatment for patients with differentiated thyroid cancer and pulmonary metastases (DTC+PM), as well as the association between the assessment of TR and long-term outcomes. Methods: This retrospective study comprised 151 DTC+PM patients. TR was evaluated by changes in serum levels of thyroglobulin, anatomic imaging and iodine uptake in pulmonary nodules; logistic regression was applied to identify predictors...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29190168/the-effect-of-anti-thyroid-antibodies-positivity-on-children-with-primary-immune-thrombocytopenia
#14
Suzan O Mousa, Gamal T Soliman, Ahmed A-F Saedii, Emad N Hameed
Primary immune thrombocytopenia (ITP) is the most common cause of acquired thrombocytopenia in children. Anti-thyroid antibodies (aTA) have previously been found to be present in various autoimmune diseases. Our aim was to study the effect of aTA positivity (which are anti-thyroid peroxidase (aTPo) and/or anti-thyroglobulin (aTg)) on children with primary immune thrombocytopenia and their relation to treatment response. Sixty-one children with primary ITP were enrolled in the present study. They were further subdivided into: ND&P group (newly diagnosed and persistent) and chronic ITP group...
November 30, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29187856/a-role-for-iodide-and-thyroglobulin-in-modulating-the-function-of-human-immune-cells
#15
Mahmood Y Bilal, Svetlana Dambaeva, Joanne Kwak-Kim, Alice Gilman-Sachs, Kenneth D Beaman
Iodine is an essential element required for the function of all organ systems. Although the importance of iodine in thyroid hormone synthesis and reproduction is well known, its direct effects on the immune system are elusive. Human leukocytes expressed mRNA of iodide transporters (NIS and PENDRIN) and thyroid-related proteins [thyroglobulin (TG) and thyroid peroxidase (TPO)]. The mRNA levels of PENDRIN and TPO were increased whereas TG transcripts were decreased post leukocyte activation. Flow cytometric analysis revealed that both PENDRIN and NIS were expressed on the surface of leukocyte subsets with the highest expression occurring on monocytes and granulocytes...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29179642/a-follow-up-strategy-for-patients-with-excellent-response-to-initial-therapy-for-differentiated-thyroid-carcinoma-less-is-better
#16
MinJi Jeon, Mijin Kim, Suyeon Park, Hye-Seon Oh, Tae Yong Kim, Won Bae Kim, YoungKee Shong, Won Gu Kim
BACKGROUND: The risk of recurrence in patients with differentiated thyroid cancer (DTC) can be estimated based on their response to initial therapy. The aim of this study is to evaluate adequate follow-up strategy for DTC patients with excellent response by assessing the characteristics of structural recurrence. METHODS: This historical cohort study included 1359 DTC patients who had excellent response to initial therapy after total thyroidectomy with radioactive iodine remnant ablation...
November 27, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29179055/postmortem-biochemical-investigation-results-in-situations-of-fatal-mechanical-compression-of-the-neck-region
#17
Cristian Palmiere, Camilla Tettamanti, Maria Pia Scarpelli, Guillaume Rousseau, Coraline Egger, Massimo Bongiovanni
Biochemical investigations performed in cases of mechanical asphyxia have provided diverging information over time. The purpose of the study presented herein was threefold: to investigate the postmortem stability of a series of molecules (thyroglobulin, iodothyronines, calcitonin, and parathyroid hormone) in blood after death, to determine the same molecules in a series of cases of suicidal hangings for which antemortem serum samples were available, and to measure the same molecules in postmortem serum obtained from different sampling sites thereby evaluating the distribution of these molecules in the specific samples...
November 6, 2017: Legal Medicine
https://www.readbyqxmd.com/read/29169834/-an-ovarian-tumor-can-hide-another-one
#18
Nicolas Brandone, Ilona Okhremchuk, Marie-Christine Rojat-Habib, Anne-Laroque Blanc, Wassim Essamet, Aubert Agostini, Nicolas Macagno
We report the case of a 33-year-old woman who went under surgery for a cystic mature teratoma. The histological exam found two cysts, one was a mature teratoma and the other was a struma ovarii with a papillary carcinomatous element. Struma ovarii cancerization is seen in 5 to 10% of the cases usually under a papillary carcinoma type. Diagnosis is rarely made before surgery, the patients exceptionally show thyroid symptoms. Histologically, the tumour presents the same way as the one seen in the thyroid gland and BRAF mutations have been reported...
November 20, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/29168058/analysis-of-siamese-crocodile-crocodylus-siamensis-eggshell-proteome
#19
Ivan Mikšík, Statis Paradis, Adam Eckhardt, David Sedmera
The proteins and pigment of the eggshell of the Siamese crocodile (Crocodylus siamensis) were analysed. For proteomic analysis, various decalcification methods were used when the two main surface layers were analyzed. These layers are important for antimicrobial defense of egg (particularly the cuticle). We found 58 proteins in both layers, of which 4 were specific for the cuticle and 26 for the palisade (honeycomb) layer. Substantial differences between proteins in the eggshell of crocodile and previously described birds' eggshells exist (both in terms of quality and quantity), however, the entire proteome of Crocodilians has not been described yet...
November 22, 2017: Protein Journal
https://www.readbyqxmd.com/read/29166388/associations-between-thyroid-dysfunction-and-developmental-status-in-children-with-excessive-iodine-status
#20
Inger Aakre, Tor A Strand, Khalil Moubarek, Ingrid Barikmo, Sigrun Henjum
BACKGROUND AND OBJECTIVE: Adequate iodine status and normal thyroid hormone synthesis are important for optimal child development. In this study, we explored whether young children's developmental status is associated with thyroid dysfunction in an area of chronic excessive iodine exposure. METHODS: We included 298 children between 18 and 48 months of age residing in Algerian refugee camps. Early child development was measured using the Ages and Stages Questionnaires, third edition (ASQ-3), consisting of five domains: Communication, Gross Motor, Fine Motor, Problem Solving and Personal-Social...
2017: PloS One
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