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https://www.readbyqxmd.com/read/29677691/iodine-status-of-pregnant-women-from-a-coastal-brazilian-state-after-the-reduction-in-recommended-iodine-concentration-in-table-salt-according-to-governmental-requirements
#1
Débora Ayres Saraiva, Nathalie Anne de Oliveira E Silva de Morais, Carolina Martins Corcino, Tatiana Martins Benvenuto Louro Berbara, Annie Schtscherbyna, Mischelle Santos, Heron Botelho, Mario Vaisman, Patrícia de Fátima Dos Santos Teixeira
OBJECTIVE: To evaluate iodine status among pregnant women from a coastal state after Brazilian governmental resolution reducing iodine concentrations in table salt. Secondarily, we correlated urinary iodine concentration (UIC) with thyroid volume and hormones. METHODS: Inductively coupled plasma mass spectrometry was used to assess UIC from 629 samples of 244 first trimester pregnant women. Thyroid ultrasound, serum thyroglobulin, thyrotropin, free thyroxine, and antithyroid antibodies were measured as iodine concentrations on samples of table salt from patient's home...
February 14, 2018: Nutrition
https://www.readbyqxmd.com/read/29676214/homozygous-mutation-in-human-serum-albumin-and-its-implication-on-thyroid-tests
#2
Mizuho S Mimoto, Anara Karaca, Neal Scherberg, Alexandra M Dumitrescu, Samuel Refetoff
An individual with familial dysalbuminemic hyperthyroxinemia (FDH) due to a homozygous mutation (c.653G>A, p.R218H) in the human serum albumin (HSA) gene is reported. The patient was identified during evaluation of abnormal thyroid tests in a large family with multiple levels of consanguinity. He showed a greater increase in total T4 relative to that observed in heterozygous family members. The higher affinity of mutant HSA for T4, together with the large molar excess of HSA relative to thyroid hormones in serum, results in preferential association of T4 with the mutant rather than wildtype HSA in heterozygous individuals...
April 20, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29675480/pituitary-dysfunction-from-an-unruptured-ophthalmic-internal-carotid-artery-aneurysm-with-improved-2-year-follow-up-results-a-case-report
#3
Meng Qi, Ming Ye, Meng Li, Peng Zhang
Internal carotid artery (ICA) supraclinoid segment aneurysms extending into the sellar region and leading to pituitary dysfunction are a rare occurrence. To date, long-term follow up of pituitary function 2 years post-treatment has never been reported. Herein, we present a case of pituitary dysfunction due to an unruptured ophthalmic segment internal carotid artery aneurysm and report improved 2-year follow-up results. A 76-year-old male presented with disturbed consciousness due to hyponatremia, which was caused by hypoadrenocorticism resulting from pituitary dysfunction complicated by hypogonadism and hypothyroidism...
2018: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29674996/association-between-thyroid-hormones-thyroid-antibodies-and-cardiometabolic-factors-in-non-obese-individuals-with-normal-thyroid-function
#4
Jia Liu, Yan Duan, Jing Fu, Guang Wang
Background: Hypothyroidism is an important risk factor for cardiovascular diseases, and autoimmune thyroiditis (AIT) is the leading cause of hypothyroidism. Recent studies showed that even AIT patients with euthyroidism still had an increased number of early atherosclerotic lesions. However, the precise mechanism is not yet known. This study aimed to investigate the association of thyroid function, thyroid autoimmunity, and cardiometabolic risk factors in non-obese AIT patients with euthyroidism...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29674333/intravenous-and-intratracheal-thyrotropin-releasing-hormone-and-its-analog-taltirelin-reverse-opioid-induced-respiratory-depression-in-isoflurane-anesthetized-rats
#5
James D Boghosian, Anita Luethy, Joseph F Cotten
Thyrotropin releasing hormone (TRH) is a tripeptide hormone and a neurotransmitter widely-expressed in the CNS that regulates thyroid function and that maintains physiologic homeostasis. Following injection in rodents, TRH has multiple effects including increased blood pressure and breathing. We tested the hypothesis that TRH and its long-acting analog, taltirelin, will reverse morphine-induced respiratory depression in anesthetized rats following intravenous(IV) or intratracheal(IT) administration. TRH (1 mg/kg plus 5 mg/kg/hour IV) and talitrelin (1 mg/kg IV), when administered to rats pretreated with morphine (5 mg/kg IV), increased ventilation from 50±6 to 131±7% and 45±6 to 168±13% (percent baseline; n=4±SEM), primarily through increased breathing rates (from 76+/-9 to 260±14% and 66±8 to 318±37%)...
April 19, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29674245/effects-of-multiple-life-stage-exposure-to-the-fungicide-prochloraz-in-xenopus-laevis-manifestations-of-antiandrogenic-and-other-modes-of-toxicity
#6
Jonathan T Haselman, Patricia A Kosian, Joseph J Korte, Allen W Olmstead, Sigmund J Degitz
The Larval Amphibian Growth and Development Assay (LAGDA) is an internationally harmonized testing guideline for evaluating effects of chronic chemical exposure in amphibians. In order to evaluate the effects of chronic exposure to an antiandrogenic chemical in an amphibian model, prochloraz was tested using a variation of the LAGDA design. Exposure was initiated with <1d post-fertilization embryos at nominal concentrations of 0, 6.7, 20, 60 and 180 μg/L (0, 18, 53, 159, 478 nM) and continued in flow-through conditions until two months following the median time that controls completed metamorphosis...
April 3, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29673665/diminished-ovarian-reserve-in-patients-with-psoriasis
#7
Burcu Tuğrul Ayanoğlu, Elif Didem Özdemir, Onur Türkoğlu, Aslıhan Alhan
OBJECTIVE: Psoriasis is a multi-systemic chronic inflammatory skin disease. Previous data suggests that women with some chronic inflammatory diseases have diminished ovarian reserve. This study explores ovarian reserve in patients with psoriasis. MATERIALS AND METHODS: We prospectively analyzed 14 female patients with psoriasis and 35 healthy age and body mass index matched controls. An interview explored demographic characteristics, obstetrical history and menstrual characteristics...
April 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29673554/subclinical-hypothyroidism-and-metabolic-risk-factors-association-a-health-examination-based-study-in-northern-taiwan
#8
Feng-Hsuan Liu, Jawl-Shan Hwang, Chang-Fu Kuo, Yu-Shien Ko, Szu-Tah Chen, Jen-Der Lin
BACKGROUND: Subclinical hypothyroidism (SCH) is defined as elevation in serum thyroid-stimulating hormone (TSH) levels despite normal serum levels of free thyroxine. It remains controversial whether people with SCH have higher total cholesterol and low-density lipoprotein cholesterol levels compared to normal-thyroid subjects. The aim of this study was to assess the metabolic risk factors for SCH. METHODS: Subjects were recruited from the health examination center of Chang Gung Memorial Hospital, Linkou, from January 1, 2010 to December 31, 2011...
February 2018: Biomedical Journal
https://www.readbyqxmd.com/read/29673469/thyroid-hormones-and-cardiovascular-function-and-diseases
#9
REVIEW
Salman Razvi, Avais Jabbar, Alessandro Pingitore, Sara Danzi, Bernadette Biondi, Irwin Klein, Robin Peeters, Azfar Zaman, Giorgio Iervasi
Thyroid hormone (TH) receptors are present in the myocardium and vascular tissue, and minor alterations in TH concentration can affect cardiovascular (CV) physiology. The potential mechanisms that link CV disease with thyroid dysfunction are endothelial dysfunction, changes in blood pressure, myocardial systolic and diastolic dysfunction, and dyslipidemia. In addition, cardiac disease itself may lead to alterations in TH concentrations (notably, low triiodothyronine syndrome) that are associated with higher morbidity and mortality...
April 24, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29673259/exploring-potential-biomarkers-associated-with-health-related-quality-of-life-in-patients-with-coronary-artery-disease-and-heart-failure
#10
Nijole Kazukauskiene, Julius Burkauskas, Jurate Macijauskiene, Narseta Mickuviene, Julija Brozaitiene
OBJECTIVE: There has been a lack of research examining associations between biomarkers and health-related quality of life (HRQoL) in patients with coronary artery disease and heart failure. In patients with coronary artery disease and heart failure, we aimed to explore potential associations between biomarkers of health such as serum levels of thyroid hormones, N-terminal pro-B-type natriuretic peptide (NT-pro-BNP), inflammatory biomarkers and HRQoL. METHODS: In sum, 482 patients (75% male; mean age 58±10 years) with coronary artery disease and heart failure were evaluated for socio-demographic and clinical coronary artery disease risk factors...
April 1, 2018: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/29672893/dynamic-risk-stratification-system-in-post-lobectomy-low-risk-and-intermediate-risk-papillary-thyroid-carcinoma-patients
#11
Jae Won Cho, Yu-Mi Lee, Yi Ho Lee, Suck Joon Hong, Jong Ho Yoon
OBJECTIVE: The dynamic risk stratification (DRS) and its current definition of each response-to-therapy category in post-lobectomy papillary thyroid carcinoma (PTC) patients have not been well studied. This study aimed to validate the DRS system and to investigate useful thyroglobulin (Tg) or anti-Tg antibody (Ab)-related parameters in defining each response-to-therapy category DESIGN: Retrospective observational study. PATIENTS: This historical cohort study included 619 patients with PTC treated by thyroid lobectomy...
April 19, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29671346/insulin-resistance-is-associated-with-larger-thyroid-volume-in-adults-with-type-1-diabetes-independently-from-presence-of-thyroid-autoimmunity
#12
Anita Rogowicz-Frontczak, Stanislaw Pilacinski, Anna Teresa Chwialkowska, Dariusz Naskret, Dorota Zozulinska-Ziolkiewicz
To investigate the effect of insulin resistance (IR) on thyroid function, thyroid autoimmunity (AIT) and thyroid volume in type 1 diabetes (T1DM). 100 consecutive patients with T1DM aged 29 (±6) years with diabetes duration 13 (±6) years were included. Exclusion criteria were: history of thyroid disease, current treatment with L-thyroxin or anti-thyroid drugs. Evaluation of thyroid stimulating hormone (TSH), free thyroid hormones and anti-thyroid antibodies was performed. Thyroid volume was measured by ultrasonography...
April 19, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29669571/sex-differences-in-pulmonary-arterial-hypertension-role-of-infection-and-autoimmunity-in-the-pathogenesis-of-disease
#13
REVIEW
Kyle A Batton, Christopher O Austin, Katelyn A Bruno, Charles D Burger, Brian P Shapiro, DeLisa Fairweather
Registry data worldwide indicate an overall female predominance for pulmonary arterial hypertension (PAH) of 2-4 over men. Genetic predisposition accounts for only 1-5% of PAH cases, while autoimmune diseases and infections are closely linked to PAH. Idiopathic PAH may include patients with undiagnosed autoimmune diseases based on the relatively high presence of autoantibodies in this group. The two largest PAH registries to date report a sex ratio for autoimmune connective tissue disease-associated PAH of 9:1 female to male, highlighting the need for future studies to analyze subgroup data according to sex...
April 18, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29667177/adverse-placental-effects-of-valproic-acid-studies-in-perfused-human-placentas
#14
Miriam Rubinchik-Stern, Miriam Shmuel, Jacob Bar, Michal Kovo, Sara Eyal
OBJECTIVE: In utero exposure to valproic acid (VPA) has been associated with worse pregnancy outcomes compared to all other antiepileptic drugs. We have previously shown that VPA alters the expression of placental transporters for hormones and nutrients in vitro and in pregnant mice. Here, our aim was to characterize the effects of short exposure to VPA on the expression of carriers for compounds essential for fetal development in human placentas ex vivo, under controlled conditions...
April 17, 2018: Epilepsia
https://www.readbyqxmd.com/read/29666563/do-tsh-ft3-and-ft4-impact-bat-visualization-of-clinical-fdg-pet-ct-images
#15
Ryuichi Nishii, Shigeki Nagamachi, Youichi Mizutani, Tamasa Terada, Syogo Kiyohara, Hideyuki Wakamatsu, Seigo Fujita, Tatsuya Higashi, Keiichiro Yoshinaga, Tsuneo Saga, Toshinori Hirai
Objective: We retrospectively analyzed activated BAT visualization on FDG-PET/CT in patients with various conditions and TH levels to clarify the relationships between visualization of BAT on FDG-PET/CT and the effect of TH. Methods: Patients who underwent clinical FDG-PET/CT were reviewed and we categorized patients into 5 groups: (i) thyroid hormone withdrawal (THW) group; (ii) recombinant human thyrotropin (rhTSH) group; (iii) hypothyroidism group; (iv) hyperthyroidism group; and (v) BAT group...
2018: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29665652/the-protective-effect-of-p7c3-against-dna-and-neuron-damage-in-rat-pups-with-congenital-hypothyroidism
#16
Halef Okan Dogan, Mehmet Eray Alcigir
Congenital hypothyroidism (CH) is defined as congenital thyroid hormone deficiency. The aim of this study was to examine the DNA and neuron damage in rat pups with CH and to evaluate the beneficial effects of 3.6-Dibromo-α-[(phenylamino) methyl]-9H-carbazole-9-ethanol (P7C3). Rat pups were assigned to four groups as Group 1: CH, Group 2: CH treated with P7C3, Group 3: CH treated with P7C3 and L-thyroxine, and Group 4: control group. Plasma 8-(OH)DG and neuron-specific enolase (NSE) concentrations were determined in all groups...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29665650/selenium-nanoparticles-prevents-lead-acetate-induced-hypothyroidism-and-oxidative-damage-of-thyroid-tissues-in-male-rats-through-modulation-of-selenoenzymes-and-suppression-of-mir-224
#17
Hebatallah Husseini Atteia, Manar Hamed Arafa, Kousalya Prabahar
Selenium nanoparticles (Se-NPs) are customizable drug delivery vehicles that show good bioavailability, higher efficacy and lower toxicity than ordinary Se. Pre-treatment of male rats with these NPs has been recently shown to exert a protective effect against chromium-induced thyroid dysfunction. This study, therefore, aimed to investigate and characterize the potential protective mechanism of Se-NPs against lead (Pb) acetate-induced thyrotoxicity. We found that prophylactic and concurrent treatment of Pb acetate-exposed rats with Nano-Se (0...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29665466/dose-response-relationships-between-urinary-phthalate-metabolites-and-serum-thyroid-hormones-among-waste-plastic-recycling-workers-in-china
#18
Xian Wang, Li Wang, Jiafei Zhang, Wenjun Yin, Jian Hou, Youjian Zhang, Chen Hu, Guiyang Wang, Rong Zhang, Yong Tao, Jing Yuan
BACKGROUND: Exposure to phthalates may affect thyroid hormone status. However, there were inconsistent observations for the associations of phthalates exposure with altered thyroid hormones. OBJECTIVES: The aim of this study was to investigate effects of urinary excretion of phthalate metabolites on the levels of thyroid hormones among workers engaged in waste plastic recycling in China. METHODS: We measured serum levels of thyroid hormones and urinary levels of eight phthalate metabolites among 317 participants (165 workers engaged in waste plastic recycling and 152 farmers), analyzed relationships between urinary phthalate metabolites and thyroid function parameters by multivariate linear regression analysis and structural equation modelling as well as assessed the dose-response relationships between them by restricted cubic spline functions...
April 14, 2018: Environmental Research
https://www.readbyqxmd.com/read/29665351/neuroendocrine-response-to-gaba-b-receptor-agonism-in-alcohol-dependent-individuals-results-from-a-combined-outpatient-and-human-laboratory-experiment
#19
Mehdi Farokhnia, Mikela B Sheskier, Mary R Lee, April N Le, Erick Singley, Sofia Bouhlal, Timmy Ton, Zhen Zhao, Lorenzo Leggio
Gamma-aminobutyric acid (GABA), the main inhibitory neurotransmitter in the nervous system, plays an important role in biobehavioral processes that regulate alcohol seeking, food intake, and stress response. The metabotropic GABA-B receptor has been investigated as a potential therapeutic target for alcohol use disorder, by using orthosteric agonists (e.g., baclofen) and positive allosteric modulators. Whether and how pharmacological manipulation of the GABA-B receptor, in combination with alcohol intake, may affect feeding- and stress-related neuroendocrine pathways remains unknown...
April 14, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29665163/lowered-quality-of-life-in-mood-disorders-is-associated-with-increased-neuro-oxidative-stress-and-basal-thyroid-stimulating-hormone-levels-and-use-of-anticonvulsant-mood-stabilizers
#20
Caroline Sampaio Nunes, Michael Maes, Chutima Roomruangwong, Juliana Brum Moraes, Kamila Landucci Bonifacio, Heber Odebrecht Vargas, Decio Sabbatini Barbosa, George Anderson, Luiz Gustavo Piccoli de Melo, Stoyanov Drozdstoj, Estefania Moreira, André F Carvalho, Sandra Odebrecht Vargas Nunes
RATIONALE, AIMS: Major affective disorders including bipolar disorder (BD) and major depressive disorder (MDD) are associated with impaired health-related quality of life (HRQoL). Oxidative stress and subtle thyroid abnormalities may play a pathophysiological role in both disorders. Thus, the current study was performed to examine whether neuro-oxidative biomarkers and thyroid-stimulating hormone (TSH) levels could predict HRQoL in BD and MDD. METHODS: This cross-sectional study enrolled 68 BD and 37 MDD patients and 66 healthy controls...
April 17, 2018: Journal of Evaluation in Clinical Practice
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