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https://www.readbyqxmd.com/read/28637222/risk-factors-for-the-development-of-delayed-tsh-elevation-in-neonatal-intensive-care-unit-nicu-newborns
#1
Amnon Zung, Rachel Bier Palmon, Agneta Golan, Mara Troitzky, Smadar Eventov-Friedman, Ronella Marom, Rimona Keidar, Neri Kats, Shlomo Almashanu, Orna Flidel-Rimon
Context: Delayed TSH elevation (dTSH) is defined as elevated TSH in the second neonatal screen (following normal TSH in the initial screen) in premature, low-birth-weight and sick newborns, mostly in the neonatal intensive care unit (NICU) setting. The pathogenesis of dTSH is elusive. Objective: To identify risk factors for dTSH development among newborns in the NICU. Design: setting and patients: A retrospective chart review of neonates with dTSH was conducted in eight university-affiliated NICUs...
June 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28635216/-ret-ptc-rearrangement-affects-multifocal-formation-of-papillary-thyroid-carcinoma
#2
X Zhang, X Su, W C Chen, Y Li, Z Y Yang, W Z Deng, T C Deng, A K Yang
Objective:RET/PTC gene rearrangement can lead to aberrant activation of tyrosine kinase receptors, which is a common mutation in papillary thyroid carcinoma (PTC). This study focuses on the association of RET/PTC rearrangements with PTC clinical factors. Methods: From January 2011 to December 2013, a total of 114 patients with PTC were enrolled in this study. Clinicopathological parameters, lifestyle, and thyroid hormone levels were collected. RET/PTC rearrangements were detected by TaqMan PCR and verified by Sanger sequencing...
June 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28633507/digenic-duox1-and-duox2-mutations-in-cases-with-congenital-hypothyroidism
#3
Zehra Aycan, Hakan Cangul, Marina Muzza, Veysel N Bas, Laura Fugazzola, V Krishna Chatterjee, Luca Persani, Nadia Schoenmakers
Context: The DUOX2 enzyme generates hydrogen peroxide (H2O2), a crucial electron acceptor for the TPO-catalyzed iodination and coupling reactions mediating thyroid hormone biosynthesis. DUOX2 mutations result in dyshormonogenetic Congenital Hypothyroidism (CH) which may be phenotypically heterogeneous, leading to the hypothesis that CH severity may be influenced by environmental factors (eg dietary iodine) and oligogenic modifiers (eg variants in the homologous NADPH-oxidase DUOX1). However, loss of function mutations in DUOX1 have not hitherto been described and its role in thyroid biology remains undefined...
June 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28630779/impact-of-obesity-on-serum-levels-of-thyroid-hormones-among-euthyroid-saudi-adults
#4
Hassan M Al-Musa
AIM OF STUDY: To assess serum thyroid hormones levels among Saudi adults and to correlate participants' serum levels with their grades of body mass index (BMI). METHODOLOGY: A total of 278 adult subjects were recruited. Participants were categorized according to their BMI grades into normal weight (BMI < 25 kg/m(2)), overweight (BMI 25-29.9 kg/m(2)), or obese (BMI ≥ 30 kg/m(2)). Serum thyroid hormones levels were assessed at the central laboratory of Aseer Central Hospital, Abha City, by chemiluminescence immunoassay...
2017: Journal of Thyroid Research
https://www.readbyqxmd.com/read/28629126/differentiated-thyroid-cancer-treatment-state-of-the-art
#5
REVIEW
Benedikt Schmidbauer, Karin Menhart, Dirk Hellwig, Jirka Grosse
Differentiated thyroid cancer (DTC) is a rare malignant disease, although its incidence has increased over the last few decades. It derives from follicular thyroid cells. Generally speaking, the prognosis is excellent. If treatment according to the current guidelines is given, cases of recurrence or persistence are rare. DTC requires special expertise by the treating physician. In recent years, new therapeutic options for these patients have become available. For this article we performed a systematic literature review with special focus on the guidelines of the American Thyroid Association, the European Association of Nuclear Medicine, and the German Society of Nuclear Medicine...
June 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28627204/iodine-levels-are-associated-with-oxidative-stress-and-antioxidant-status-in-pregnant-women-with-hypertensive-disease
#6
Sergio Cuellar-Rufino, Mónica Navarro-Meza, Pablo García-Solís, Irene Xochihua-Rosas, Omar Arroyo-Helguera
BACKGROUND: The antioxidant function of iodine and iodine deficiency as a risk factor of preeclampsia have been previously reported. AIM: To analyze the association between iodine deficiency, oxidative stress and antioxidant status with hypertensive disease of pregnancy (HPD). METHOD: Fifty-seven pregnant women were recruited in the last trimester of pregnancy; 20 were diagnosed with hypertensive disease (HPD) of pregnancy and 37 were normotensive pregnant women...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28626131/homozygous-duoxa2-mutation-p-tyr138-in-a-girl-with-congenital-hypothyroidism-and-her-apparently-unaffected-brother-case-report-and-review-of-the-literature
#7
Chiho Sugisawa, Shinji Higuchi, Masaki Takagi, Yukihiro Hasegawa, Matsuo Taniyama, Kiyomi Abe, Tomonobu Hasegawa, Satoshi Narumi
Mutations in DUOXA2, encoding dual oxidase maturation factor 2, is a rare genetic cause of congenital hypothyroidism. Only four biallelic DUOXA2 mutation carriers have been described to date. This study was conducted to report the clinical and genetic findings of a DUOXA2 mutation-carrying family, and to review the previously reported cases. The proband was a 4-year-old girl, who was diagnosed as having congenital hypothyroidism in the frame of newborn screening. She had a high serum TSH level (138 mU/L) and a low free T4 level (0...
June 16, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28626114/thyroid-stimulating-hormone-stimulation-downregulates-autophagy-and-promotes-apoptosis-in-chondrocytes
#8
Wei Xin, Yue Yu, Yuan Ma, Yuan Gao, Ying Xu, Liyong Chen, Qiang Wan
Subclinical hypothyroidism (SCH) patients have normal thyroid hormone levels but increased thyroid stimulating hormone (TSH) level in serum. It has been reported that high TSH is related to abnormal skeletal development in mice with hypothyroidism. However, the cellular mechanism is not fully understood. In the present study, we aim to investigate the direct effects of TSH stimulation on chondrocytes, and the putative role of autophagy in this process. By using EdU incorporation assay and flow cytometry for mitochondrial membrane potential assay, we demonstrated deceased proliferation and promoted apoptosis in TSH stimulated primary mouse chondrocytes...
June 13, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28623177/delay-in-diagnosis-of-celiac-disease-in-patients-without-gastrointestinal-complaints
#9
Marco A Paez, Anna Maria Gramelspacher, James Sinacore, Laura Winterfield, Mukund Venu
PURPOSE: The purpose of our study is to investigate the delay in diagnosis of patients with biopsy-proven celiac disease in those who present with gastrointestinal complaints vs non-gastrointestinal complaints at our tertiary care center. Celiac disease is an autoimmune disorder which affects approximately 1% of the population worldwide. Celiac disease can have variable clinical presentations characterized by either predominately gastrointestinal symptoms or may present without any gastrointestinal symptom...
June 13, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28621046/impact-of-borderline-subclinical-hypothyroidism-on-subsequent-pregnancy-outcome-in-women-with-unexplained-recurrent-pregnancy-loss
#10
Sayaka Uchida, Tetsuo Maruyama, Maki Kagami, Fumie Miki, Hanako Hihara, Satomi Katakura, Yushi Yoshimasa, Hirotaka Masuda, Hiroshi Uchida, Mamoru Tanaka
AIM: Because subclinical hypothyroidism (thyroid-stimulating hormone [TSH] > 4.5 IU/mL) is associated with adverse pregnancy outcome, including early pregnancy loss, TSH is recommended to be titrated to ≤2.5 mIU/L in levothyroxine-treated women before pregnancy. The purpose of this study was to determine whether borderline-subclinical hypothyroidism (borderline-SCH; 2.5 < TSH ≤ 4.5 IU/mL) affects the outcome of subsequent pregnancies in women with unexplained recurrent pregnancy loss (uRPL)...
June 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28620714/the-outcome-of-i-131-ablation-therapy-for-intermediate-and-high-risk-differentiated-thyroid-cancer-using-a-strict-definition-of-successful-ablation
#11
Ken Watanabe, Mayuki Uchiyama, Kunihiko Fukuda
PURPOSE: This article examines the outcome of radioactive iodine ablation therapy for thyroid cancer in high-risk patients and investigates background factors influencing ablation failure. MATERIALS AND METHODS: We included 91 patients in this retrospective analysis and evaluated the ablation success rate. Successful ablation was defined as the absence of visible iodine-131 (I-131) accumulation in the thyroid bed after whole-body scans and thyroglobulin levels <2 ng/ml in a TSH-stimulated state after ablation...
June 15, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28620500/lugol-s-solution-induced-painless-thyroiditis
#12
Ji Wei Yang, Jacques How
Lugol's solution is usually employed for a limited period for thyroidectomy preparation in patients with Graves' disease and for the control of severe thyrotoxicosis and thyroid storm. We describe a rare case of Lugol's solution-induced painless thyroiditis. In November 2014, a 59-year-old woman was prescribed Lugol's solution four drops per day for the alleviation of menopausal symptoms. She was referred to our clinic in June 2015 for fatigue, hair loss, and a 20-lb weight loss without thyroid pain or discomfort...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28620496/growth-hormone-and-insulin-like-growth-factor-1-affect-the-severity-of-graves-disease
#13
Alfredo Di Cerbo, Federica Pezzuto, Alessandro Di Cerbo
Graves' disease, the most common form of hyperthyroidism in iodine-replete countries, is associated with the presence of immunoglobulins G (IgGs) that are responsible for thyroid growth and hyperfunction. In this article, we report the unusual case of a patient with acromegaly and a severe form of Graves' disease. Here, we address the issue concerning the role of growth hormone (GH) and insulin-like growth factor 1 (IGF1) in influencing thyroid function. Severity of Graves' disease is exacerbated by coexistent acromegaly and both activity indexes and symptoms and signs of Graves' disease improve after the surgical remission of acromegaly...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28618407/association-between-thyroid-function-and-body-mass-index-a-10-year-follow-up
#14
Hengameh Abdi, Elham Kazemian, Safoora Gharibzadeh, Atieh Amouzegar, Ladan Mehran, Maryam Tohidi, Zahra Rashvandi, Fereidoun Azizi
BACKGROUND/AIMS: We aimed to evaluate the association between change in thyroid function tests within the euthyroid range and body mass index (BMI) in persons with normal weight at baseline. METHODS: This study investigated 1,100 normal-weight euthyroid persons in a population-based cohort study, Tehran Thyroid Study. BMI was calculated and serum concentrations of thyrotropin (TSH) and free T4 (FT4) were assayed at baseline and after 10 years of follow-up. We evaluated the relationship between thyroid and obesity based on 2 definitions for outcome: (1) a binary outcome as BMI <25 or ≥25 kg/m2, and (2) a multinomial outcome as normal BMI, overweight, and obese...
June 16, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28617535/research-on-the-protective-effects-of-antioxidants-on-metabolic-syndrome-induced-by-thyroid-dysfunction
#15
Y Chen, Z Zhou, X-X Li, T Wang
OBJECTIVE: This paper researches on the protective effects of antioxidants on metabolic syndrome induced by thyroid dysfunction. While the role of Lipoic acid (LA), Resveratrol (R) and Quercetin (Q) are recognized, the mechanisms for their ameliorative effects are partially understood. Therefore, the objective of this study was to determine the prevalence of MS among university workers and to examine the relationship with thyroid function and mechanisms for protective effects of LA, Resveratrol and Quercetin on the heart, kidneys and lungs...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28616924/-reference-intervals-of-thyroid-hormones-in-normal-pregnant-women-and-effects-of-thyroid-autoantibodies-on-thyroid-hormone-levels-in-pregnant-women-in-chengdu-area
#16
Yu-Min Chen, Jing Zeng, Yue-Rong Yan, Dan Luo, Lu Huang, Hui Huang
OBJECTIVES: To establish the reference intervals of thyroid hormones in normal pregnant women in Chengdu area of China, and to investigate the effects of thyroid autoantibodies on thyroid function in pregnant women. METHODS: We included 696 pregnant women who had gestation data from June 2013 to March 2014 in Chengdu Women & Children's Central Hospital. Every subject under went questionnaire survey, physical examination, thyroid ultrasound and measurement of thyroid hormone and thyroid autoantibodies...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28614993/a-single-10mg-oral-dose-of-biotin-interferes-with-thyroid-function-tests
#17
Rosa Paula M Biscolla, Maria Izabel Chiamolera, Ina Kanashiro, Rui M B Maciel, Jose Gilberto Henriques Vieira
This letter reports a study with a single 10 mg oral dose of biotin in 19 health subjects. The acute use of biotin interferes with measurement of TSH, free T4 and T3, in a fashion similar to a hyperthyroid subject, and the changes are reversible 24 hours after the biotin ingestion.
June 14, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28614818/thyroid-stimulating-hormone-degree-of-obesity-and-metabolic-risk-markers-in-a-cohort-of-obese-swedish-children
#18
Veroniqa Lundbäck, Kerstin Ekbom, Emilia Hagman, Ingrid Dahlman, Claude Marcus
BACKGROUND/AIMS: Thyroid-stimulating hormone (TSH) is affected in obesity and might influence metabolic risk. It is unclear what mechanisms cause elevated TSH in obesity. We aimed to investigate TSH status within the normal range and the association of TSH with degree of obesity and metabolic parameters in children with obesity. METHODS: A total of 3,459 children, aged 3.0-17.9 years, were identified in the Swedish Childhood Obesity Treatment Registry, BORIS. Age, gender, TSH, free triiodothyronine (fT3), free thyroxine (fT4), body mass index standard deviation scores (BMI SDS), as well as variables of lipid and glucose metabolism were examined...
June 14, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28611943/association-between-serum-thyroid-stimulating-hormone-levels-and-visceral-adipose-tissue-a-population-based-study-in-northeast-germany
#19
Tilman Witte, Henry Völzke, Markus M Lerch, Katrin Hegenscheid, Nele Friedrich, Till Ittermann, John A Batsis
BACKGROUND: Abdominal obesity is a major driver for adverse medical conditions. While an interaction between adipose tissue and thyroid function is thought to exist, to our knowledge, no study has examined the effect of thyroid-stimulating hormone (TSH) on visceral adipose tissue (VAT) in a population-based context. OBJECTIVE: We determined an association between serum TSH levels and VAT. METHODS: A sample of 1,021 female and 956 male adults aged 20-79 years was drawn from registry offices in the cross-sectional, population-based Study of Health in Pomerania Trend (SHIP Trend) in Northeast Germany from 2008 to 2012...
February 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28611942/variability-among-tsh-measurements-can-be-reduced-by-combining-a-glycoengineered-calibrator-to-epitope-defined-immunoassays
#20
Sandrine Donadio-Andréi, Karim Chikh, Christine Heuclin, Elisabetta Kuczewski, Anne Charrié, Anne-Sophie Gauchez, Catherine Ronin
OBJECTIVES: Measuring protein markers with variable glycosylation, such as thyroid-stimulating hormone (TSH), with high accuracy is not an easy task. Despite highly sensitive third-generation tests, discrepancies among TSH assays still remain unsolved and are the focus of important standardization efforts. Earlier work from our group showed that a lack of similarity in epitope expression between standards and samples may account for discordant hormone measurements. In this study, we aimed at producing a glycoengineered TSH with serum-type glycosylation and compared its immunological behavior to that of the international standards...
February 2017: European Thyroid Journal
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