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Thyroid diseases

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https://www.readbyqxmd.com/read/28106465/evaluation-of-99m-tc-mibi-in-thyroid-gland-imaging-for-the-diagnosis-and-classification-of-amiodarone-induced-thyrotoxicosis
#1
Junqi Wang, Ruiguo Zhang
OBJECTIVE: Amiodarone-induced thyrotoxicosis (AIT) is caused by aminodaroneas a side effect of cardiovascular disease treatment. Based on the differences in their pathological and physiological mechanisms, many methods have been developed so far to differentiate AIT subtypes such as color flow Doppler sonography (CFDS)and 24 h radioiodine uptake (RAIU). However, these methods suffer from inadequate accuracy in distinguishing different types of AITs and sometimes lead to misdiagnosis and delayed treatments...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28106227/can-ngal-be-employed-as-prognostic-and-diagnostic-biomarker-in-human-cancers-a-systematic-review-of-current-evidence
#2
Laura Roli, Valentina Pecoraro, Tommaso Trenti
BACKGROUND: Some studies have reported differentially altered neutrophil gelatinase-associated lipocalin (NGAL) levels in several malignancies. We evaluated NGAL measured in plasma or urine as both prognostic and diagnostic marker for different types of human tumors. METHODS: We performed systematic electronic searches in Medline, Embase and CRDTAS. Studies were included if they evaluated NGAL as a prognostic or diagnostic marker for human cancers. The selection of the studies, screening of the full texts and data extraction were conducted independently by 2 authors...
January 16, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28106152/cancer-immunotherapy-immune-checkpoint-blockade-and-associated-endocrinopathies
#3
REVIEW
David J Byun, Jedd D Wolchok, Lynne M Rosenberg, Monica Girotra
Advances in cancer therapy in the past few years include the development of medications that modulate immune checkpoint proteins. Cytotoxic T-lymphocyte antigen 4 (CTLA4) and programmed cell death protein 1 (PD1) are two co-inhibitory receptors that are expressed on activated T cells against which therapeutic blocking antibodies have reached routine clinical use. Immune checkpoint blockade can induce inflammatory adverse effects, termed immune-related adverse events (IRAEs), which resemble autoimmune disease...
January 20, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28105483/gastric-acid-secretion-and-gastrin-release-during-continuous-vagal-neuromonitoring-in-thyroid-surgery
#4
Liu Xiaoli, Che-Wei Wu, Hoon Yub Kim, Wen Tian, Feng-Yu Chiang, Renbin Liu, Angkoon Anuwong, Gregory W Randolph, Gianlorenzo Dionigi, Matteo Lavazza
PURPOSE: The vagus nerve (VN) has essential regulatory roles in the gastric acid secretion and gastrin release. Continuous intraoperative neuromonitoring (CIONM) via VN stimulation is a promising technique in thyroid surgery because it potentially avoids injury to the recurrent laryngeal nerve. However, no studies have investigated changes in gastric acid secretion and gastrin release during CIONM. METHOD: This prospective study of 58 thyroid surgery patients compared gastric acid and serum gastrin at five time points: (1) before skin incision, (2) after baseline calibration of CIONM probe, (3) +20 min from baseline, (4) before probe removal, and (5) after extubation...
January 19, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28104343/thyroid-pathology-in-deer-mice-peromyscus-maniculata-from-a-reclaimed-mine-site-on-the-athabasca-oil-sands
#5
Ahmad Movasseghi, Jaime Rodríguez-Estival, Judit E G Smits
Information on naturally occurring thyroid disease in wild animals in general and in small mammals specifically is extremely limited. In the present field-based work, we investigated the structure and function of thyroid glands of deer mice (Peromyscus maniculata) studied as sentinels of ecosystem sustainability on reclaimed areas post-mining on the oil sands of northeastern Alberta, because of their greater sensitivity to contaminants relative to meadow voles (Microtus pennsylvanicus) on the same sites. Extraction of bitumen in the oil sands of northeastern Alberta, results in the release of contaminants including polycyclic aromatic compounds (PACs), metals, and metalloids to the environment that have a measurable biological cost to wildlife living in the affected areas...
January 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28104314/breast-prostate-and-thyroid-cancer-screening-tests-and-overdiagnosis
#6
Minsoo Jung
The purpose of this study was to examine overdiagnosis and overtreatment related to cancer screening and to review relevant reports and studies. A comprehensive search of peer-reviewed and gray literature was conducted for relevant studies published between January 2000 and December 2015 reporting breast, prostate, and thyroid cancer screening tests and overdiagnosis. This study revealed no dichotomy on where screening would lower risk or cause overdiagnosis and overtreatment. Many screening tests did both, that is, at population level, there were both benefit (decreased disease-specific mortality) and harm (overdiagnosis and overtreatment)...
December 20, 2016: Current Problems in Cancer
https://www.readbyqxmd.com/read/28104029/-next-generation-sequencing-technology-for-susceptible-gene-screening-in-familial-non-medullary-thyroid-carcinoma
#7
L Dong, Y Yu, J P Yu, W J Hao, X Q Zheng, Y N Cheng, L Han, J Z Zhao, M Gao
Objective: To screen genes related to familial non-medullary thyroid carcinoma (FNMTC) using next-generation sequencing (NGS). Methods: A panel of NGS was designed and sequencing was performed for DNA samples extracted from peripheral blood leukocytes of FNMTC patients and sporadic non-medullary thyroid carcinoma (SNMTC) cases, respectively, and gene mutations were screened. In addition, the clinicopathological characteristics, including tumor size, extension of surgery, lymph node metastasis and extra-thyroidal extension, were compared between patients with or without mutations...
January 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28103461/-hashimoto-thyroiditis-and-periodontal-disease-a-narrative-review
#8
REVIEW
Ana Morais, Marta Resende, José Pereira
INTRODUCTION: Currently there is a growing interest in studying systemic conditions with impact on the periodontium. The aim of this article is to determinate if there is a relation between Hashimoto's thyroiditis and periodontal disease. MATERIAL AND METHODS: Founded on periodontology based on evidence and in the combination of the keywords: 'Hashimoto disease'; 'Hypothyroidism'; 'Periodontal disease'; 'Systemic Diseases'; a search and evaluation of articles was conducted in Medline, Scopus and Thomson Reuters databases, selecting 30 articles for integral analysis...
October 31, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28101491/can-the-american-thyroid-association-risk-of-recurrence-predict-radioiodine-refractory-disease-in-differentiated-thyroid-cancer
#9
Aamna Hassan, Saima Riaz, Humayun Bashir, M Khalid Nawaz, Raza Hussain
OBJECTIVE: The aim of this study was to compare the TNM staging system and the American Thyroid Association (ATA) recurrence risk classification in predicting radioiodine refractory disease (RRD) in differentiated thyroid cancer (DTC) and to analyze the correlation of stimulated thyroglobulin (Tg) levels and rate of Tg elevation with the standardized uptake value on (18)F-fludeoxyglucose (FDG) PET/CT scan. METHODS: RRD was indicated through the retrospective analysis of consecutive (18)F-FDG PET/CT scans in DTC with stimulated Tg >10 ng/ml and negative (131)I NaI whole-body scans (WBS)...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28101488/thyroid-function-and-high-sensitivity-c-reactive-protein-in-cross-sectional-results-from-the-brazilian-longitudinal-study-of-adult-health-elsa-brasil-effect-of-adiposity-and-insulin-resistance
#10
Érique José F Peixoto de Miranda, Márcio Sommer Bittencourt, Itamar S Santos, Paulo A Lotufo, Isabela M Benseñor
BACKGROUND: Subclinical hypothyroidism (SCH) is associated with an increased cardiovascular risk, but little information is available about its association with high-sensitivity C-reactive protein (hs-CRP). OBJECTIVES: This study aims to analyze the association between SCH and hs-CRP using baseline data from the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). METHODS: The study has a cross-sectional design. We included subjects with normal thyroid function (thyroid-stimulating hormone, TSH, 0...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28101487/immunoglobulin-g4-related-thyroid-diseases
#11
REVIEW
Dulani Kottahachchi, Duncan J Topliss
Immunoglobulin G4-related disease (IgG4-RD) is a new disease category involving many organ systems, including the endocrine system in general and the thyroid in particular. Since an initial association was made between hypothyroidism and autoimmune (IgG4-related) pancreatitis, more forms of IgG4-related thyroid disease (IgG4-RTD) have been recognized. Four subcategories of IgG4-RTD have so far been identified: Riedel thyroiditis (RT), fibrosing variant of Hashimoto thyroiditis (FVHT), IgG4-related Hashimoto thyroiditis, and Graves disease with elevated IgG4 levels...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28101486/immunohistochemical-expression-of-estrogen-receptor-%C3%AE-and-progesterone-receptor-in-patients-with-papillary-thyroid-cancer
#12
Giacomo Sturniolo, Carles Zafon, Mariacarla Moleti, Josep Castellví, Francesco Vermiglio, Jordi Mesa
BACKGROUND: Papillary thyroid cancer (PTC) prevalence is nearly 3 times higher in females than in males. This gender difference suggests that growth and progression of PTC might be influenced by female sex hormones. OBJECTIVES: To analyze the expression of both estrogen receptor (ER)-α and progesterone receptor (PR) by immunohistochemistry in 203 PTC patients. METHODS: ER-α and PR expression was evaluated in paraffin-embedded tumor tissue samples of 45 males and 158 females followed up for 7...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28101184/anti-inflammatory-effects-of-luteolin-on-experimental-autoimmune-thyroiditis-in-mice
#13
Nan Xia, Gang Chen, Min Liu, Xiaozhen Ye, Yahui Pan, Jiuyu Ge, Yanting Mao, Hongwei Wang, Jian Wang, Sijing Xie
Hashimoto's thyroiditis (HT) is the most common organ-specific autoimmune disease and is believed to be a predominately T cell-mediated autoimmunity. Signal transducer and activator of transcription (STAT)3 is a crucial transcription factor of T cell-mediated immunity, with key roles in the proliferation and migration of T helper (Th) cells, differentiation of Th cells into Th17 cells, and the balance between Treg cells and Th17 cells. Flavonoid luteolin has been shown to markedly inhibit Tyr705 activation/phosphorylation of STAT3 and exert anti-inflammatory effects in multiple sclerosis...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100846/regulatory-lymphocytes-in-thyroid-orbitopathy-and-autoimmune-thyroid-diseases
#14
Marta Siomkajło, Jarosław Dybko, Jacek Daroszewski
Thyroid orbitopathy (OT), as an organ‑specific autoimmune disease, is a result of immune dysregulation leading to loss of control over inflammation directed against self‑antigens. The source of the autoreactive lymphocytes is the impairment of central tolerance as well as their induction on the periphery by modified or sequestered by that time antigens. Active suppression by the various subpopulations of regulatory lymphocytes (Lreg) acts as a counterbalance to the proinflammatory factors and is aimed at dampening pathological reaction...
December 31, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28100632/the-role-of-hepatic-trans-arterial-chemoembolization-in-metastatic-medullary-thyroid-carcinoma-a-specialist-center-experience-and-review-of-the-literature
#15
Simona Grozinsky-Glasberg, Allan Bloom, Naama Lev-Cohain, Alexander Klimov, Hashem Besiso, David Gross
BACKGROUND: Liver metastases are relatively common in patients with metastatic medullary thyroid carcinoma (MTC), carrying a negative impact on disease prognosis. The options for selective therapy of liver metastases in MTC patients are limited to catheter guided procedures such as trans-arterial chemoembolization (TACE). Data regarding the effectiveness and safety of this procedure in MTC is limited. AIM: To explore the clinical outcome, survival and safety profile of TACE for liver metastases in a group of MTC patients...
January 18, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28100571/primary-squamous-cell-carcinoma-of-the-thyroid-with-complete-response-to-radical-radiotherapy-and-concurrent-cisplatin-based-chemotherapy
#16
Michael Del Rosario, Constantin Dasanu, Henry Tsai, Robert Johnson
Chemoradiotherapy and/or surgery are both potentially radical treatments for squamous cell carcinomas. Squamous cell carcinomas are considered chemosensitive tumours compared to adenocarcinomas or anaplastic thyroid malignancies. A 76-year-old man was found to have T4bN0M0 primary squamous cell carcinoma of the thyroid with encasement of the internal carotid artery. The disease was deemed unresectable. Therefore, he was treated with radical radiotherapy with concurrent cisplatin-based chemotherapy. We discuss herein the aetiology, diagnosis and management of primary squamous cell carcinoma of the thyroid...
January 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28099999/high-level-intrathymic-thyrotropin-receptor-expression-in-thyroiditis-prone-mice-protects-against-the-spontaneous-generation-of-pathogenic-thyrotropin-receptor-autoantibodies
#17
Sandra M McLachlan, Holly A Aliesky, Bianca Banuelos, Sylvie Lesage, Roxanne Collin, Basil Rapoport B
The thyrotropin receptor (TSHR) A-subunit is the autoantigen targeted by pathogenic autoantibodies that cause Graves' hyperthyroidism, a common autoimmune disease in humans. Previously, we reported that pathogenic TSHR antibodies develop spontaneously in thyroiditis-susceptible NOD.H2(h4) mice bearing a human TSHR A-subunit transgene which is expressed at low levels in both the thyroid and thymus (Lo-expressor transgene). The present study tested recent evidence that high intrathymic TSHR expression protects against the development of pathogenic TSHR antibodies in humans...
January 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28099584/iodine-131-treatment-of-thyroid-cancer-cells-leads-to-suppression-of-cell-proliferation-followed-by-induction-of-cell-apoptosis-and-cell-cycle-arrest-by-regulation-of-b-cell-translocation-gene-2-mediated-jnk-nf-%C3%AE%C2%BAb-pathways
#18
L M Zhao, A X Pang
Iodine-131 (131I) is widely used for the treatment of thyroid-related diseases. This study aimed to investigate the expression of p53 and BTG2 genes following 131I therapy in thyroid cancer cell line SW579 and the possible underlying mechanism. SW579 human thyroid squamous carcinoma cells were cultured and treated with 131I. They were then assessed for 131I uptake, cell viability, apoptosis, cell cycle arrest, p53 expression, and BTG2 gene expression. SW579 cells were transfected with BTG2 siRNA, p53 siRNA and siNC and were then examined for the same aforementioned parameters...
January 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28099124/browning-of-white-adipose-tissue-lessons-from-experimental-models
#19
Thereza Cristina Lonzetti Bargut, Vanessa Souza-Mello, Marcia Barbosa Aguila, Carlos Alberto Mandarim-de-Lacerda
Beige or brite (brown-in-white) adipocytes are present in white adipose tissue (WAT) and have a white fat-like phenotype that when stimulated acquires a brown fat-like phenotype, leading to increased thermogenesis. This phenomenon is known as browning and is more likely to occur in subcutaneous fat depots. Browning involves the expression of many transcription factors, such as PR domain containing 16 (PRDM16) and peroxisome proliferator-activated receptor (PPAR)-γ, and of uncoupling protein (UCP)-1, which is the hallmark of thermogenesis...
January 18, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28098872/trim29-promotes-progression-of-thyroid-carcinoma-via-activating-p13k-akt-signaling-pathway
#20
Jinkai Xu, Zongyu Li, Qinghua Su, Jun Zhao, Jiancang Ma
Thyroid cancer (TC) is a common malignancy of the endocrine system. Abnormal expression of tripartite motif-containing 29 (TRIM29) has been reported to promote tumorigenesis and predict poor prognosis in several human malignancies. The aim of this study was to assess the involvement of TRIM29 in the significance and prognosis of TC. Fifty-six tumor samples and their clinicopathological para-meters were obtained from TC patients; the expression level of TRIM29 was detected by RT-qPCR and western blotting. TRIM29 expression was knocked down by small interfering RNA (siRNA) among TT, TPC-1, and K1 cells to investigate the biological role of TRIM29 in TC cells...
January 13, 2017: Oncology Reports
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