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TSH AND Iodine

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https://www.readbyqxmd.com/read/28101810/increased-incidence-of-autoimmune-thyroid-disorders-in-patients-with-psoriatic-arthritis-a-longitudinal-follow-up-study
#1
Poupak Fallahi, Silvia Martina Ferrari, Ilaria Ruffilli, Giusy Elia, Mario Miccoli, Andrea Delle Sedie, Lucrezia Riente, Alessandro Antonelli
Contrasting results have been reported about the prevalence of thyroid autoimmunity (AT) and dysfunction (TD) in patients with psoriatic arthritis (PsA). In this study, we pointed to evaluate the incidence of new cases of clinical and subclinical TD in a broad group of patients with PsA versus a control group, matched by age and gender belonging to the same geographic area. PsA patients with TD were excluded firstly, and new cases of thyroid disorders were evaluated in 97 PsA patients and 97 matched controls, who had comparable iodine intake (median follow-up of 74 months in PsA versus 92 in controls)...
January 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28098046/monitoring-the-effects-of-iodine-prophylaxis-in-the-adult-population-of-southern-italy-with-deficient-and-sufficient-iodine-intake-levels-a-cross-sectional-epidemiological-study
#2
Daniela Bonofiglio, Stefania Catalano, Anna Perri, Marta Santoro, Lorenza Siciliano, Danilo Lofaro, Massimiliano Gallo, Stefania Marsico, Rosalinda Bruno, Cinzia Giordano, Ines Barone, Sebastiano Andò
I prophylaxis is the most effective strategy to eradicate I deficiency disorders, but it has been shown to affect the thyroid disease pattern. In this study, we assessed the frequency of thyroid disorders in an adult population living in two areas of southern Italy after implementing I prophylaxis. To this aim, a cross-sectional, population-based study including 489 subjects from an I-deficient rural and an I-sufficient urban area of southern Italy was conducted. Thyroid ultrasound was performed on all participants, and urine and blood samples were collected from each subject...
January 18, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28079354/effect-of-excess-iodine-intake-on-thyroid-on-human-health
#3
Eftychia G Koukkou, Nikolaos D Roupas, Kostas B Markou
INTRODUCTION: The recommended daily intake of iodide, is 150 μg for adolescents and adults, 175 μg for pregnancy and 200 μg for lactation. Thyroid gland is an effective collector of iodine. EVIDENCE ACQUISITION: The active iodine uptake along the basolateral membrane of thyroid cell is followed by its transport to the apical edge of the cell and then to the follicle lumen. TSH acts through cAMP and stimulates NIS gene expression and protein synthesis. The major proportion of iodine in the thyroid gland is bound to Thyroglobulin...
January 12, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28071990/natural-course-of-euthyroidism-and-clues-for-early-diagnosis-of-thyroid-dysfunctions-tehran-thyroid-study-tts
#4
Atieh Amouzegar, Zahra Ghaemmaghami, Maani Beygi, Safoora Gharibzadeh, Ladan Mehran, Maryam Tohidi, Fereidoun Azizi
OBJECTIVE: Considering the limited data available on the natural course of euthyroidism, this study was designed to evaluate the progression in time from euthyroidism to subclinical or overt hypo - or hyperthyroidism. METHODS: This study was conducted within the framework of the Tehran Thyroid cohort study (TTS), in which 5783 individuals aged 40.4 ± 0.2 years were followed for 6 years. The overall loss to follow-up rate was 8.3%. After applying exclusion criteria, data of 4204 euthyroid subjects remained for analysis of a six-year natural course analysis...
January 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28059636/the-effects-of-adequate-iodine-supply-on-the-incidence-of-iodine-induced-thyroid-disorders-in-slovenia
#5
Vid Bajuk, Katja Zaletel, Edvard Pirnat, Sergej Hojker, Simona Gaberšček
BACKGROUND: We aimed to establish the changes in the incidence and characteristics of iodine-induced hyperthyroidism (II-Hyper) and iodine-induced hypothyroidism (II-Hypo) in the two-year period before and the ten-year period after the increase in mandatory salt iodization from the previous 10 mg of potassium iodide to 25 mg per kg in 1999. Furthermore, we aimed at determining the duration of treatment in II-Hyper patients, since no data regarding severity and treatment of II-Hyper with respect to iodine supply are available...
January 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28054989/effects-of-long-term-in-vivo-exposure-to-di-2-ethylhexylphthalate-on-thyroid-hormones-and-the-tsh-tshr-signaling-pathways-in-wistar-rats
#6
Xinwen Dong, Jin Dong, Yue Zhao, Jipeng Guo, Zhanju Wang, Mingqi Liu, Yunbo Zhang, Xiaolin Na
Di-(2-ethylhexyl)phthalate (DEHP) was a widely used chemical with human toxicity. Recent in vivo and in vitro studies suggested that DEHP-exposure may be associated with altered serum thyroid hormones (THs) levels, but the underlying molecular mechanisms were largely unknown. To explore the possible molecular mechanisms, 128 Wistar rats were dosed with DEHP by gavage at 0, 150, 300, and 600 mg/kg/day for 3 months (M) and 6 M, respectively. After exposure, expression of genes and proteins in the thyroid, pituitary, and hypothalamus tissues of rats were analyzed by Q-PCR and western blot, while the sera and urine samples were assayed by radioimmunoassay and ELISA...
January 4, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28041586/thyroid-nodules-%C3%AE-guide-to-assessment-treatment-and-follow-up
#7
REVIEW
Stavroula Α Paschou, Andromachi Vryonidou, Dimitrios G Goulis
Thyroid nodules constitute by far the most common disorder of the endocrine system. Epidemiological studies have indicated that approximately 5% of women and 1% of men resident in iodine-sufficient areas have palpable thyroid nodules. However, by the age of 60 years about 50% of the general population is estimated to have at least one thyroid nodule. Indeed, the reported prevalence of a "thyroid incidentaloma" is up to 70% when neck/carotid artery ultrasound, computed tomography (CT) or magnetic resonance imaging (MRI) is performed for other indications...
February 2017: Maturitas
https://www.readbyqxmd.com/read/28002173/higher-preablative-serum-thyroid-stimulating-hormone-level-predicts-radioiodine-ablation-effectiveness-in-patients-with-differentiated-thyroid-carcinoma
#8
Ismaheel O Lawal, Nozipho E Nyakale, Lerwine M Harry, Thabo Lengana, Neo P Mokgoro, Mariza Vorster, Mike M Sathekge
INTRODUCTION: Radioiodine ablation of remnant thyroid tissue is an important adjuvant therapy of differentiated thyroid carcinoma (DTC) after thyroidectomy. Elevated serum thyroid-stimulating hormone (TSH) level is necessary for successful ablation. The optimum level of serum TSH level necessary for successful radioiodine ablation of well-DTC is, however, yet to be defined. We aimed to determine whether higher serum TSH level will result in a better rate of complete ablation of well-DTC using iodine-131 (I) following initial thyroidectomy...
December 20, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27997357/effect-of-the-micronutrient-iodine-in-thyroid-carcinoma-angiogenesis
#9
Kayla Daniell, Carmelo Nucera
Iodide is a micronutrient essential for thyroid hormone production. The uptake and metabolism of iodide by thyrocytes is crucial to proper thyroid function. Iodide ions are drawn into the thyroid follicular cell via the sodium-iodide symporter (NIS) in the cell membrane and become integrated into tyrosyl residues to ultimately form thyroid hormones. We sought to learn how an abnormal concentration of iodide within thyrocyte can have significant effects on the thyroid, specifically the surrounding vascular network...
December 20, 2016: Aging
https://www.readbyqxmd.com/read/27994875/management-of-metastatic-thyroid-cancer-in-pregnancy-risk-and-uncertainty
#10
Christopher W Rowe, Kirsten Murray, Andrew Woods, Sandeep Gupta, Roger Smith, Katie Wynne
: Metastatic thyroid cancer is an uncommon condition to be present at the time of pregnancy, but presents a challenging paradigm of care. Clinicians must balance the competing interests of long-term maternal health, best achieved by iatrogenic hyperthyroidism, regular radioiodine therapy and avoidance of dietary iodine, against the priority to care for the developing foetus, with inevitable compromise. Additionally, epidemiological and cellular data support the role of oestrogen as a growth factor for benign and malignant thyrocytes, although communicating the magnitude of this risk to patients and caregivers, as well as the uncertain impact of any pregnancy on long-term prognosis, remains challenging...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27994688/iodine-uptake-patterns-on-post-ablation-whole-body-scans-are-related-to-elevated-serum-thyroglobulin-levels-after-radioactive-iodine-therapy-in-patients-with-papillary-thyroid-carcinoma
#11
Geum-Cheol Jeong, Minchul Song, Hee Jeong Park, Jung-Joon Min, Hee-Seung Bom, Sang-Geon Cho, Ki Seong Park, Sae-Ryung Kang, Jahae Kim, Ho-Chun Song, Seong Young Kwon
PURPOSE: Serum thyroglobulin (Tg) level is frequently elevated shortly after radioactive iodine (RAI) ablation therapy. The authors studied the relationship between the elevation of serum Tg after RAI therapy and iodine uptake pattern on post-ablation whole body scans (RxWBSs) in patients with papillary thyroid carcinoma (PTC). MATERIALS AND METHODS: The study subjects were patients with PTC that had undergone first RAI therapy with thyroid hormone withdrawal after total thyroidectomy...
December 2016: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27936530/endocrinology-update-thyroid-disorders
#12
Scott Kelley
Thyroid disease affects nearly every organ system in the body. Hypothyroidism is a state of thyroid hormone insufficiency that results in decreased metabolism and secondary effects including fatigue and weight gain. Primary hypothyroidism typically is a result of autoimmune thyroiditis or iodine deficiency and is assessed by measurement of the thyroid-stimulating hormone (TSH) level. This level usually is elevated in patients with hypothyroidism and low in patients with hyperthyroidism. Levothyroxine is the treatment of choice for hypothyroidism...
December 2016: FP Essentials
https://www.readbyqxmd.com/read/27930576/hyperthyroidism-secondary-to-hysterosalpingography-an-extremely-rare-complication-a-case-report
#13
Guotao Ma, Rui Mao, Haixin Zhai
RATIONALE: Hysterosalpingography (HSG), a standard procedure for the evaluation of women with infertility and repetitive pregnancy loss, is associated with complications such as uterine perforation, infection, allergic reactions, syncope, hemorrhage and shock, and pulmonary or retinal embolus. However, hyperthyroidism has not been reported as one of its complications. PATIENT CONCERNS AND DIAGNOSES: We report the case of a 33-year-old euthyroid woman who presented to our hospital with palpitation, hand tremor, fatigue, and excessive sweating after HSG...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27905968/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#14
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
November 8, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27902589/serum-thyroglobulin-reference-intervals-in-regions-with-adequate-and-more-than-adequate-iodine-intake
#15
Zhaojun Wang, Hanyi Zhang, Xiaowen Zhang, Jie Sun, Cheng Han, Chenyan Li, Yongze Li, Xiaochun Teng, Chenling Fan, Aihua Liu, Zhongyan Shan, Chao Liu, Jianping Weng, Weiping Teng
The purpose of this study was to establish normal thyroglobulin (Tg) reference intervals (RIs) in regions with adequate and more than adequate iodine intake according to the National Academy of Clinical Biochemistry (NACB) guidelines and to investigate the relationships between Tg and other factors.A total of 1317 thyroid disease-free adult subjects (578 men, 739 nonpregnant women) from 2 cities (Guangzhou and Nanjing) were enrolled in this retrospective, observational study. Each subject completed a questionnaire and underwent physical and ultrasonic examination...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27901182/does-insulin-resistance-increase-thyroid-volume-in-patients-with-polycystic-ovary-syndrome
#16
Murat Sahin, Didem Demircioglu, Ayten Oguz, Dilek Tuzun, Mehmet Akif Sarica, Elif Inanc, Kamile Gul
Objective: To investigate the effect of gonadotropin, sex hormone levels and insulin resistance (IR) on thyroid functions and thyroid volume (TV) in polycystic ovary syndrome (PCOS). Subjects and methods: 69 new diagnosed PCOS patients (age 24.82 ± 6.17) and 56 healthy control female (age 26.69 ± 5.25) were involved to the study. Fasting plasma glucose, lipid profile, insulin, thyroid stimulating hormone (TSH), free thyroxine (fT4), estradiol (E2), luteinizing hormone (LH), follicle stimulating hormone levels and urine iodine were measured in all participants...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27867885/trimester-specific-reference-interval-for-thyroid-hormones-during-pregnancy-at-a-tertiary-care-hospital-in-haryana-india
#17
Rajesh Rajput, Bhagat Singh, Vasudha Goel, Amit Verma, Shashi Seth, Smiti Nanda
BACKGROUND: Reference intervals for thyroid hormone during pregnancy need to be gestational age, method, and population specific and there is need to establish trimester-specific thyroid levels for the different population across the world. The aim of this study was to establish trimester-specific reference range for thyroid hormone during pregnancy in a tertiary care center in Haryana. MATERIALS AND METHODS: A total of 1430 pregnant women were recruited for the study...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27833458/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#18
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
2016: Population Health Metrics
https://www.readbyqxmd.com/read/27829313/taz-induction-directs-differentiation-of-thyroid-follicular-cells-from-human-embryonic-stem-cells
#19
Risheng Ma, Syed A Morshed, Rauf Latif, Terry F Davies
OBJECTIVE: The differentiation program for human thyroid follicular cells (TFCs) relies on the interplay between sequence-specific transcription factors and transcriptional co-regulators. Transcriptional co-activator with PDZ-binding motif (TAZ) is a co-activator that regulates several transcription factors, including PAX8 and NKX2-1, which play a central role in thyroid-specific gene transcription. TAZ and PAX8/NKX2-1 are co-expressed in the nuclei of thyroid cells, and TAZ interacts directly with both PAX8 and NKX2-1, leading to their enhanced transcriptional activity on the thyroglobulin (TG) promoter and additional genes...
January 3, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27793633/use-of-177-lu-dotatate-in-the-treatment-of-iodine-refractory-thyroid-carcinomas
#20
P Oliván-Sasot, M Falgás-Lacueva, J García-Sánchez, V Vera-Pinto, C Olivas-Arroyo, P Bello-Arques
In a patient with a differentiated thyroid cancer the standard treatment protocol to be followed is surgery, ablation of thyroid remnants with (131)Iodine ((131)I), and TSH suppression. However, the treatment with (131)I is not effective in some cases, and it no longer becomes a therapeutic option due to cell de-differentiation with loss of (131)I uptake. Systemic treatment can be used as other options, although patients are not always responsive; thus, the disease may progress and therapeutic options may run out...
October 25, 2016: Revista Española de Medicina Nuclear e Imagen Molecular
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