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https://www.readbyqxmd.com/read/29319359/secondary-and-tertiary-preventions-of-thyroid-disease
#1
Fereidoun Azizi, Ladan Mehran, Farhad Hosseinpanah, Hossein Delshad, Atieh Amouzegar
INTRODUCTION: Secondary and tertiary preventions are concerned with the recognition of the disease process in a very early stage and delay in progression to complete disease and minimization of complications and the impact of illness. METHODS: All articles related to secondary and tertiary prevention of thyroid diseases were reviewed. Using related key words, articles published between 2001 and 2015 were evaluated, categorized, and analyzed. RESULTS: In secondary prevention, congenital hypothyroidism and subclinical hypo and hyperthyroidism are equally important...
January 10, 2018: Endocrine Research
https://www.readbyqxmd.com/read/29319139/the-role-of-99mtc-dtpa-retrobulbar-spect-in-staging-and-follow-up-of-graves-orbitopathy
#2
László Galuska, Sándor Barna, József Varga, Ildikó Garai, Endre V Nagy
The pathogenesis of Graves' orbitopathy (GO) is not completely understood. Coexistent hyperfunction of the thyroid gland is frequent; however, GO may also coexist with hypo- or euthyrodism. The course of GO is largely independent of thyroid function, although elevated serum TSH is known to negatively interfere with GO course. GO is severe in 10 % of the cases; sight threatening complications may also develop. A successful therapy of GO requires the assesment of both the severity and activity of orbital inflammation...
January 10, 2018: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/29275887/subclinical-hypothyroidism-is-associated-with-adverse-prognosis-in-heart-failure-patients
#3
Yu Sato, Akiomi Yoshihisa, Yusuke Kimishima, Takatoyo Kiko, Shunsuke Watanabe, Yuki Kanno, Satoshi Abe, Makiko Miyata, Takamasa Sato, Satoshi Suzuki, Masayoshi Oikawa, Atsushi Kobayashi, Takayoshi Yamaki, Hiroyuki Kunii, Kazuhiko Nakazato, Takafumi Ishida, Yasuchika Takeishi
BACKGROUND: It is widely recognized that overt hyper- as well as hypothyroidism are potential causes of heart failure (HF). Additionally it has been recently reported that subclinical hypothyroidism (sub-hypo) is associated with atherosclerosis, development of HF, and cardiovascular death. We aimed to clarify the effect of sub-hypo on prognosis of HF, and underlying hemodynamics and exercise capacity. METHODS: We measured the serum levels of thyroid stimulating hormone (TSH) and free thyroxine (FT4) in 1100 consecutive HF patients...
January 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29214681/thyroid-hormones-alter-estrous-cyclicity-and-antioxidative-status-in-the-ovaries-of-rats
#4
Quanwei Wei, Jaafar Sulieman Fedail, Lingfa Kong, Kaizhi Zheng, Chunhua Meng, Mohamed Babo Fadlalla, Fangxiong Shi
To expand our understanding of the roles of thyroid hormones on female reproduction, we induced hypo- and hyper-T rat models to investigate the roles of thyroid hormones on estrous cyclicity, as well as the antioxidative status in the ovaries of rats. In the current study, our data show that hypothyroidism (hypo-T) and hyperthyroidism (hyper-T) led to significantly reduced body weights and ovarain weights and delayed vaginal opening day. For hyper-T, thyroxine (T4), tri-iodothyronine (T3), progesterone (P4) and follicle-stimulating hormone (FSH) were significantly increased, while estradiol (E2) and luteinizing hormone (LH) were significantly decreased...
December 7, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29197093/the-association-between-irisin-and-muscle-metabolism-in-different-thyroid-disorders
#5
Ariadna Zybek-Kocik, Nadia Sawicka-Gutaj, Ewelina Szczepanek-Parulska, Mirosław Andrusiewicz, Joanna Waligórska-Stachura, Piotr Białas, Tomasz Krauze, Przemysław Guzik, Jerzy Skrobisz, Marek Ruchała
BACKGROUND: Irisin is a new adipo-myokine, encoded by the FNDC5 gene. Currently, there is a discussion regarding the relation between thyroid function and irisin concentration. This prospective study assesses the influence of thyrometabolic changes on serum irisin concentration in association with altered muscle metabolism. This is performed on a large cohort of patients affected by severe hypo- or hyperthyroidism, as well as by the expression of the FNDC5 gene in thyroid tissue affected by different pathologies...
December 2, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29182513/both-hypothyroidism-and-hyperthyroidism-increase-plasma-irisin-levels-in-rats
#6
Emine Atici, Rasim Mogulkoc, Abdulkerim Kasim Baltaci, Esma Menevse
Background A recently discovered hormone, irisin is accepted to be significantly involved in the regulation of body weight. Thyroid functions may be, directly or indirectly, associated with irisin. Aim The aim of the present study is to determine the effect of experimental thyroid dysfunction on irisin levels in rats. Methods The study registered 40 adult male Sprague-Dawley rats, which were allocated to groups as follows: 1. Control; 2. Hypothyroidism induced by injection of 10 mg/kg/day intraperitoneal propylthiouracil (PTU) for 3 weeks; 3...
November 28, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29162475/-thyrotropin-reference-ranges-during-pregnancy-in-the-province-of-huelva-spain
#7
A Ortega Carpio, I Vázquez Rico, M A Castaño López, L Duarte González, M Montilla Álvaro, A Ruiz Reina
OBJECTIVE: The correct diagnosis of hypothyroidism during pregnancy requires knowledge of the local trimester-specific thyrotropin (TSH) reference ranges. When these are not available, the guidelines recommend upper limits of 2.5, 3.0, and 3.0μU/ml for the 1(st), 2(nd), and 3(rd) trimesters, respectively. The aim is to establish the reference range for our local population. MATERIAL AND METHODS: A population-based observational study was performed on healthy pregnant women from 11 healthcare centres in the province of Huelva...
November 18, 2017: Semergen
https://www.readbyqxmd.com/read/29111822/repercussions-of-hypo-and-hyperthyroidism-on-the-heart-circadian-clock
#8
Rodrigo A Peliciari-Garcia, Paula Bargi-Souza, Martin E Young, Maria Tereza Nunes
Myocardial gene expression and metabolism fluctuate over the course of the day in association with changes in energy supply and demand. Time-of-day-dependent oscillations in myocardial processes have been linked to the intrinsic cardiomyocyte circadian clock. Triiodothyronine (T3) is an important modulator of heart metabolism and function. Recently, our group has reported time-of-day-dependent rhythms in cardiac T3 sensitivity, as well as, T3-mediated acute alterations on core clock components. Hypo and hyperthyroidism are the second most prevalent endocrine disease worldwide...
November 7, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28855863/thyroid-hormone-availability-and-action-during-brain-development-in-rodents
#9
Soledad Bárez-López, Ana Guadaño-Ferraz
Thyroid hormones (THs) play an essential role in the development of all vertebrates; in particular adequate TH content is crucial for proper neurodevelopment. TH availability and action in the brain are precisely regulated by several mechanisms, including the secretion of THs by the thyroid gland, the transport of THs to the brain and neural cells, THs activation and inactivation by the metabolic enzymes deiodinases and, in the fetus, transplacental passage of maternal THs. Although these mechanisms have been extensively studied in rats, in the last decade, models of genetically modified mice have been more frequently used to understand the role of the main proteins involved in TH signaling in health and disease...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28814251/the-role-of-radiopharmaceuticals-in-amiodarone-induced-thyroid-pathology
#10
Doina Piciu, Alexandru Irimie
Amiodarone is a di-iodinated benzofuran derivative and is classified as a class III antiarrhythmic agent. It is one of the most powerful and effective antiarrhythmics, being a first-line agent due to its ability to treat ventricular and supraventricular dysrhythmias; since 1960 the drug has become one of the most frequently prescribed antiarrhythmics, despite its potentially serious, side effects. By far, one of the most challenging condition is the thyroid pathology induced by this drug. Each 200 mg tablet of amiodarone contains approximately 75 mg of iodine, 3-10% from each tablet being released as free iodine...
August 16, 2017: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/28796641/the-effect-of-thyroid-dysfunction-on-nesfatin-1-and-adiponectin-levels-in-rats
#11
Emine Atıci, Rasim Mogulkoc, Abdulkerim Kasım Baltaci, Esma Menevse
Background Changes in thyroid hormone concentrations may affect adiponectin concentrations through various mechanisms. A molecule released primarily from the fat cells adiposities; adiponectin has important effects on the regulation of body weight. Aim The present study aimed to explore the effects of experimental thyroid dysfunction and its treatment on nesfatin-1 and adiponectin levels in rats. Methods The study included 40 adult male Sprague-Dawley rats which were grouped as follows: (1) control; (2) hypothyroidism [hypothyroidism was induced by intraperitoneal injection of 10 mg/kg/day propylthiouracil (PTU) for 3 weeks]; (3) hypothyroidism + thyroxine group [after hypothyroidism was induced by 2-week PTU injection, they were treated with high-dose L-thyroxine (1...
August 10, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28782242/effects-of-hyper-and-hypothyroidism-on-the-development-and-proliferation-of-testicular-cells-in-prepubertal-rats
#12
Mohamed Babo Fadlalla, Quanwei Wei, Jaafar Sulieman Fedail, Asif Mehfooz, Dagan Mao, Fangxiong Shi
Thyroid hormones are important in the development and regulation of testes. This study was conducted to determine the effects of hyper- and hypothyroidism on testicular development in prepubertal rats aged 20-70 days. Weaning male rats (20 days old) until day 70 age were randomly divided into four groups: control, hyperthyroid (hyper-T), hypothyroid (hypo-T) and hypothyroid treated with thyroxine (T4) (hypo-T+T4). The results indicated that thyroid hormones caused a significant effect in body and testis weights, and food and water consumption...
August 7, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28732334/does-laser-phototherapy-influence-the-proliferation-of-myoepithelial-cells-in-the-salivary-gland-of-hypothyroid-rats
#13
Virgínia Dias Uzêda-E-Silva, Tania Tavares Rodriguez, Luciana Maria Pedreira Ramalho, Flávia Calo Aquino Xavier, Isabele Cardoso Vieira de Castro, Antônio Luiz Barbosa Pinheiro, Jean Nunes Dos Santos
Thyroid hormones influence both development and growth of organs and tissues and guarantee metabolic demands that interfere with the quality of digestive secretions, including those of the salivary glands. Laser phototherapy - LPT can modulate various biological phenomena and its diverse effects permit the action on different cell types. The aim of this study was to evaluate the influence of laser phototherapy on myoepithelial cells of salivary glands of hypothyroid rats. Forty-two albino Wistar rats were divided into two main groups: euthyroid (EU) and hypothyroid (HYPO)...
August 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28720762/quantitative-measurement-of-the-thyroid-uptake-function-of-mouse-by-cerenkov-luminescence-imaging
#14
Chien-Chih Ke, Zi-Ming He, Ya-Ju Hsieh, Chia-Wen Huang, Jia-Je Li, Luen Hwu, Yi-An Chen, Bang-Hung Yang, Chi-Wei Chang, Wen-Sheng Huang, Ren-Shyan Liu
Cerenkov luminescence imaging (CLI) has been an evolutional and alternative approach of nuclear imaging in basic research. This study aimed to measure the (131)I thyroid uptake of mouse using CLI for assessment of thyroid function. Quantification of (131)I thyroid uptake of mice in euthyroid, hypothyroid and hyperthyroid status was performed by CLI and γ-scintigraphy at 24 hours after injection of (131)I. The (131)I thyroid uptake was calculated using the equation: (thyroid counts - background counts)/(counts of injected dose of (131)I) × 100%...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715040/-taste-dysfunction-dysgeusia-and-radioiodine-therapy-of-thyroid-cancer-be-aware-of-side-effects-by-antidepressants-and-sedatives
#15
Markus Dietlein, Alexander Drzezga
In addition to xerostomia, taste dysfunction (hypo-, dysgeusia) is an independent side effect of radioiodine therapy of thyroid cancer. Hypogeusia results from damage of the small mucous salivary glands in the vicinity of the taste buds. Particularly in those patients, who are treated with drugs such as antidepressants or sedatives, taste dysfunction becomes frequently clinically symptomatic. If feasible, therapy regimens bearing a potential risk for taste dysfunction should be switched. Additional damage to taste function should be minimalized, including cessation of smoking, change of agents for dental hygiene, and change of toothpaste...
July 17, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/28683860/latent-hypothyroidism-in-adults
#16
Jeannine Schübel, Joachim Feldkamp, Antje Bergmann, Wolfgang Drossard, Karen Voigt
BACKGROUND: The prevalence of latent/subclinical hypothyroidism is between 3% and 10%, according to epidemiologic studies that have been carried out in the USA, the United Kingdom, and Denmark. As persons with latent hypo - thyroidism are often asymptomatic, the diagnosis is often made incidentally in routine laboratory testing. METHODS: This review is based on a selective search in PubMed for publications on the diagnosis and treatment of latent hypothyroidism...
June 23, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28673339/human-limbal-fibroblast-like-stem-cells-induce-immune-tolerance-in-autoreactive-t-lymphocytes-from-female-patients-with-hashimoto-s-thyroiditis
#17
Antonina Coppola, Laura Tomasello, Maria Pitrone, Salvatore Cillino, Pierina Richiusa, Giuseppe Pizzolanti, Carla Giordano
BACKGROUND: Due to their "natural immune privilege" and immunoregulatory properties human fibroblast-like limbal stem cells (f-LSCs) have acquired great interest as a potential tool for achieving immunotolerance. Hashimoto's thyroiditis (HT) is the most common thyroid autoimmune disease and cause of hypothyroidism. To date, conventional hormone replacement therapy and unspecific immunosuppressive regimens cannot provide a definitive cure for HT subjects. We explored the immunosuppressant potential of human f-LSCs on circulating lymphomonocytes (PBMCs) collected from healthy donors and female HT patients...
July 3, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28623469/association-between-giant-cell-arteritis-and-thyroid-dysfunction-in-a-real-life-population
#18
Yarden Yavne, Shmuel Tiosano, Abdulla Watad, Doron Comaneshter, Yehuda Shoenfeld, Arnon D Cohen, Howard Amital
PURPOSE: Giant cell arteritis is a systemic autoimmune disorder which involves inflammation of medium to large vessels. The association between giant cell arteritis and autoimmune thyroid disorders has been investigated numerous times in the literature with inconsistent results. Our objective was to evaluate whether a genuine association exists between giant cell arteritis and thyroid dysfunction, which is often due to immune-mediated thyroid disease. METHODS: Utilizing the medical database of Clalit Health Services, we compared the proportion of hypo and hyperthyroidisim between patients with giant cell arteritis and age-matched and gender-matched controls in a cross-sectional study...
August 2017: Endocrine
https://www.readbyqxmd.com/read/28521834/incidence-of-total-hip-or-knee-replacement-due-to-osteoarthritis-in-relation-to-thyroid-function-a-prospective-cohort-study-the-nord-tr%C3%A3-ndelag-health-study
#19
Alf Inge Hellevik, Marianne Bakke Johnsen, Arnulf Langhammer, Anne Marie Fenstad, Ove Furnes, Kjersti Storheim, John Anker Zwart, Gunnar Flugsrud, Lars Nordsletten
BACKGROUND: To study whether thyroid function was associated with risk of hip or knee replacement due to primary osteoarthritis. METHODS: In a prospective cohort study, data from the second and third survey of the Nord-Trøndelag Health Study were linked to the Norwegian Arthroplasty Register in order to identify total hip or knee replacement as a result of primary osteoarthritis. RESULTS: Among 37 891 participants without previously known thyroid disease we recorded 978 total hip replacements (THRs) and 538 total knee replacements (TKRs) during a median follow-up time of 15...
May 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28472357/thyroid-dysfunction-and-autoimmune-thyroid-diseases-among-atomic-bomb-survivors-exposed-in-childhood
#20
Misa Imaizumi, Waka Ohishi, Eiji Nakashima, Nobuko Sera, Kazuo Neriishi, Michiko Yamada, Yoshimi Tatsukawa, Ikuno Takahashi, Saeko Fujiwara, Keizo Sugino, Takao Ando, Toshiro Usa, Atsushi Kawakami, Masazumi Akahoshi, Ayumi Hida
Context: The risk of thyroid cancer increases and persists for decades among individuals exposed to ionizing radiation in childhood, although the long-term effects of childhood exposure to medium to low doses of radiation on thyroid dysfunction and autoimmune thyroid diseases have remained unclear. Objective: To evaluate radiation dose responses for the prevalence of thyroid dysfunction and autoimmune thyroid disease among atomic bomb survivors exposed in childhood...
July 1, 2017: Journal of Clinical Endocrinology and Metabolism
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