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autoimmune thyroid diseases

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https://www.readbyqxmd.com/read/28092700/association-between-thyroid-autoimmunity-and-helicobacter-pylori-infection
#1
Yun Mi Choi, Tae Yong Kim, Eui Young Kim, Eun Kyung Jang, Min Ji Jeon, Won Gu Kim, Young Kee Shong, Won Bae Kim
Background/Aims: There have been controversial reports linking Helicobacter pylori infection to autoimmune thyroid disease (AITD). However, data regarding the relationship are limited for Asian populations, which have an extremely high prevalence of H. pylori infection. We performed this study to investigate the association between H. pylori infection and AITD in Koreans. Methods: This study involved adults aged 30 to 70 years who had visited a health promotion center...
January 16, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28092021/sunshine-vitamin-and-thyroid
#2
REVIEW
Immacolata Cristina Nettore, Luigi Albano, Paola Ungaro, Annamaria Colao, Paolo Emidio Macchia
Vitamin D exerts its canonical roles on the musculoskeletal system and in the calcium/phosphorus homeostasis. In the last years, increasing evidences suggested several extra-skeletal actions of this hormone, indicating that vitamin D may produce effects in almost all the body tissues. These are mediated by the presence of vitamin D receptor (VDR) and thanks to the presence of the 1-α-hydroxylase, the protein that converts the 25-hydroxyvitamin (calcidiol) to the active form 1,25-dihydroxyvitamin (calcitriol)...
January 14, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28081340/importance-of-sonographic-paratracheal-lymph-node-evaluationin-early-autoimmune-thyroiditis
#3
Tuğrul Örmeci, Mukaddes Çolakoğulları, İsrafil Orhan, Bayram Ufuk Şakul
BACKGROUND/AIM: To review the sonographic views of paratracheal lymph nodes (PLNs) in the diagnosis and during different stages of autoimmune thyroiditis. MATERIALS AND METHODS: Features of the PLNs (left and right), thyroid sonography, and laboratory data were investigated in 126 cases. Patients were divided into three groups by using thyroid sonographic criteria in the literature (group 1: control, group 2: early-stage/indeterminate, group 3: definite thyroiditis)...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28080155/safety-of-interferon-alpha-2a-in-patients-with-severe-ophthalmic-beh%C3%A3-et-s-disease-response-to-bielefeld-et-al-s-letter
#4
Mohammed El Amine Ghembaza, Ali Lounici
Thyroid dysfunction is a common and severe side-effect encountered in up to 40% of patients treated with IFN-alpha-2a. The main two mechanisms by which IFN-alpha-2a induces thyroid dysfunction can be categorized as autoimmune and non-autoimmune disease. In the first subgroup, thyroid antibodies are found before treatment initiation, and then patients develop thyroiditis. In the second subgroup, IFN-alpha-2a induces thyroiditis by a direct cytotoxic effect on the thyroid gland; in this case, thyroid antibodies are usually negative...
January 12, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28078879/zenker-diverticulum-in-the-right-side-of-the-neck-resembling-a-thyroid-mass-at-ultrasound
#5
S Alessandrini, I Samperi, F De Cristofaro, E D'Armiento, D Diacinti, A Pernazza, D Bosco, V Ascoli, S Ulisse
Zenker’s diverticulum represents the most common form of pharyngo-oesophageal diverticula usually occurring on the left side of the neck. Due to its anatomical proximity to the thyroid, it can mimic a thyroid mass. Here we describe the case of an asymptomatic 49-year-old man referred to the Thyroid Clinic of the Policlinico Umberto I Hospital-“Sapienza” University of Rome for thyroid sonography due to a family history of autoimmune thyroid disease. The patient’s thyroid blood tests did not reveal any abnormalities...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078322/diagnostic-dilemma-in-discordant-thyroid-function-tests-due-to-thyroid-hormone-autoantibodies
#6
Panudda Srichomkwun, Neal H Scherberg, Jasminka Jakšić, Samuel Refetoff
OBJECTIVE: Assay interference could be the cause of abnormal thyroid function tests. Early recognition prevents inappropriate patient management. The objective of this report is to present a case with discordant thyroid function tests in different thyroid assay platforms due to thyroid autoantibodies. METHODS: We present a case her family, laboratory data and methods that investigate immunoassay interference. RESULTS: A 21-year-old woman with autoimmune thyroid disease was treated for hypothyroidism with levothyroxine and noted to have elevated total and free thyroxine, free triiodothyronine but normal thyroid-stimulating hormone...
2017: AACE Clin Case Rep
https://www.readbyqxmd.com/read/28076605/isolated-primary-amyloidosis-of-the-inferior-rectus-muscle-mimicking-graves-orbitopathy
#7
Mário Luiz Ribeiro Monteiro, Allan Christian Pieroni Gonçalves, Alanna Mara Pinheiro Sobreira Bezerra
The diagnosis of Graves' orbitopathy is usually straightforward. However, orbital diseases that mimick some clinical signs of Graves' orbitopathy may cause diagnostic confusion, particularly when associated to some form of thyroid dysfunction. This report describes the rare occurrence of localized inferior rectus muscle amyloidosis in a patient with autoimmune hypothyroidism, who was misdiagnosed as Graves' orbitopathy. A 48-year-old man complained of painless progressive proptosis on the left side and intermittent vertical diplopia for 6 months...
October 2016: Einstein
https://www.readbyqxmd.com/read/28074218/-autoimmune-diseases-of-the-thyroid-gland
#8
S Allelein, J Feldkamp, M Schott
Autoimmune diseases of the thyroid gland are considered to be the most frequent cause of thyroid gland disorders. Autoimmune thyroid diseases consist of two subgroups: autoimmune thyroiditis (AIT) and Graves' disease. The AIT is the most common human autoimmune disease. Infiltration of the thyroid gland with cytotoxic T‑cells can lead to an initial thyrotoxicosis und during the course to hypothyroidism due to destruction of the thyroid gland. Substitution with Levothyroxine is indicated for manifest hypothyroidism and subclinical hypothyroidism with increased thyroid antibodies with the intention of normalizing the serum thyroid stimulating hormone (TSH)...
January 10, 2017: Der Internist
https://www.readbyqxmd.com/read/28073128/the-effect-of-vitamin-d-on-thyroid-autoimmunity-in-levothyroxine-treated-women-with-hashimoto-s-thyroiditis-and-normal-vitamin-d-status
#9
Robert Krysiak, Witold Szkróbka, Bogusław Okopień
Background: Low vitamin D status is associated with autoimmune thyroid disease. Oral vitamin D supplementation was found to reduce titers of thyroid antibodies in levothyroxine-treated women with postpartum thyroiditis and low vitamin D status. Methods: The study included 34 women with Hashimoto's thyroiditis and normal vitamin D status (serum 25-hydroxyvitamin D levels above 30 ng/mL) who had been treated for at least 6 months with levothyroxine. On the basis of patient preference, women were divided into 2 groups, receiving (n=18) or not receiving (n=16) oral vitamin D preparations (2000 IU daily)...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28070798/does-vitamin-d-play-a-role-in-autoimmune-endocrine-disorders-a-proof-of-concept
#10
REVIEW
Barbara Altieri, Giovanna Muscogiuri, Luigi Barrea, Chantal Mathieu, Carla V Vallone, Luca Mascitelli, Giorgia Bizzaro, Vincenzo M Altieri, Giacomo Tirabassi, Giancarlo Balercia, Silvia Savastano, Nicola Bizzaro, Cristina L Ronchi, Annamaria Colao, Alfredo Pontecorvi, Silvia Della Casa
In the last few years, more attention has been given to the "non-calcemic" effect of vitamin D. Several observational studies and meta-analyses demonstrated an association between circulating levels of vitamin D and outcome of many common diseases, including endocrine diseases, chronic diseases, cancer progression, and autoimmune diseases. In particular, cells of the immune system (B cells, T cells, and antigen presenting cells), due to the expression of 1α-hydroxylase (CYP27B1), are able to synthesize the active metabolite of vitamin D, which shows immunomodulatory properties...
January 9, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28070764/serum-25-oh-vitamin-d-levels-in-systemic-sclerosis-analysis-of-140-patients-and-review-of-the-literature
#11
Dilia Giuggioli, M Colaci, G Cassone, P Fallahi, F Lumetti, A Spinella, F Campomori, A Manfredi, C U Manzini, A Antonelli, C Ferri
Hypovitaminosis D is increasingly reported in autoimmune diseases. We investigated the 25-OH-vitamin D (25-OH-vitD) levels in systemic sclerosis (SSc) patients, in correlation with disease's features. We measured the 25-OH-vitD serum levels in 140 consecutive patients (F/M 126/15; mean age 61 ± 15.1 years), 91 without (group A) and 49 with (group B) 25-OH-cholecalciferol supplementation. Patients of group A invariably showed low 25-OH-vitD levels (9.8 ± 4.1 ng/ml vs. 26 ± 8.1 ng/ml of group B); in particular, 88/91 (97%) patients showed vitamin D deficiency (<20 ng/ml), with very low vitamin D levels (<10 ng/ml) in 40 (44%) subjects...
January 9, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28063151/gad65-neurological-autoimmunity
#12
Andrew McKeon, Jennifer A Tracy
The glutamic acid decarboxylase 65-isoform (GAD65) antibody is a biomarker of autoimmune central nervous system (CNS) disorders and, more commonly, non-neurological autoimmune diseases. Type 1 diabetes, autoimmune thyroid disease, and pernicious anemia are the most frequent GAD65 autoimmune associations. One or more of these disorders coexists in approximately 70% of patients with GAD65 neurological autoimmunity. Neurological phenotypes have CNS localization and include limbic encephalitis, epilepsy, cerebellar ataxia, and stiff-person syndrome (SPS), among others...
January 7, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28063079/the-thyroid-the-eyes-and-the-gut-a-possible-connection
#13
REVIEW
D Covelli, M Ludgate
INTRODUCTION: Graves' disease (GD) is an autoimmune disorder responsible for 60-90% of thyrotoxicosis, with an incidence of 1 to 2 cases per 1000 population per year in England. Graves' orbitopathy (GO) is the most frequent extrathyroidal manifestation, not provoked directly by abnormal thyroid hormone levels, but by the consequence of the underlying autoimmune process. The aetiology of autoimmune disorders is due to an interplay between susceptibility genes and environmental factors, such as infections and stress...
January 7, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28061551/consanguinity-and-the-risk-of-hashimoto-s-thyroiditis
#14
Raja Zaghlol, Alireza Haghighi, Motasem Alkhayyat, Othman Farhan, Amal Owaydah, Mu'taz Massad, Mohammad Atari, Ayman Aref Zayed
BACKGROUND: Hashimoto's thyroiditis (HT) is the most common autoimmune thyroid disease that may lead to hypothyroidism due to progressive destruction of thyroid. The etiology of HT is unclear. However, it is associated with multiple genetic predispositions. Consanguinity has been associated with an increased susceptibility to different inherited conditions. This study, for the first time, investigated the association between consanguinity and risk of HT. METHODS: Using a case-control study design, we compared 298 HT patients with two subject groups; a) 299 participants with non-HT hypothyroidism, and b) 298 healthy control participants...
January 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28054375/effects-of-age-of-onset-on-disease-characteristics-in-non-segmental-vitiligo
#15
Berna Solak, Bahar Sevimli Dikicier, Nur C Cosansu, Teoman Erdem
In patients with vitiligo, the clinical and laboratory features of the disease may vary according to time of onset. This is addressed in the literature by only a few studies with conflicting results. The aim of this study was to determine the demographic and clinical features of patients with non-segmental vitiligo and to establish the association between vitiligo and autoimmune diseases with a focus on time of disease onset. A total of 224 vitiligo patients for whom complete medical records were available were evaluated retrospectively...
January 4, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28049387/stimulation-of-thyroid-function-by-hcg-during-pregnancy-a-risk-factor-for-thyroid-disease-and-a-mechanism-for-known-risk-factors
#16
Tim Korevaar, Yolanda B de Rijke, Layal Chaker, Marco Medici, Vincent Wv Jaddoe, Eric Ap Steegers, Theo J Visser, Robin Peeters
BACKGROUND: Thyroid autoimmunity is a major risk factor for gestational thyroid disease and recently various other risk factors have been identified, including maternal age, BMI and parity. hCG is an important determinant of gestational thyroid function, yet it is unknown to what extent differences in hCG concentration affect the risk for thyroid disease. We have recently shown that TPOAb positivity impairs the thyroidal response to hCG stimulation, which may suggest that this is a mechanism through which thyroid autoimmunity acts as a risk factor for thyroid disease...
January 3, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28038798/cardiovascular-risk-in-chronic-autoimmune-thyroiditis-and-subclinical-hypothyroidism-patients-a-cluster-analysis
#17
Giovanni Carbotta, Francesco Tartaglia, Alessandro Giuliani, Sabino Carbotta, Luciana Tromba, Ilaria Jacomelli, Livia De Anna, Angela Fumarola
BACKGROUND: Subclinical hypothyroidism (SCH) and chronic autoimmune thyroiditis (CAT) are linked to an increased risk of atherosclerosis and coronary heart disease (CHD). The aim of this study was to look for positive markers of CHD and correlations with thyroid blood tests in patients with SCH or CAT, but no symptoms of CHD, so as to identify CHD risk conditions that otherwise would likely be missed. METHODS: We measured a series of thyroid, clinical-metabolic and cardiovascular parameters in 30 consecutive endocrinology patients enrolled in our ambulatory endocrinological referral center of "Sapienza" University of Rome...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28031674/takotsubo-cardiomyopathy-associated-with-primary-hyperthyroidism-secondary-to-toxic-multinodular-goiter
#18
Dale Murdoch, William O'Callaghan, Elham Reda, Selvanayagam Niranjan
Takotsubo cardiomyopathy is increasingly recognized as a distinct clinical entity. An association with thyroid disease has been identified in several case reports, mostly in the context of Grave disease. We report the case of a 67-year-old woman presenting with takotsubo cardiomyopathy and thyrotoxicosis secondary to toxic multinodular goiter. Previously unreported, this suggests that this association is related to the direct effects of thyroid hormone, rather than an autoimmune mechanism. Thyroid disease should be considered in patients presenting with takotsubo cardiomyopathy...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28029020/clinical-update-in-aspects-of-the-management-of-autoimmune-thyroid-diseases
#19
REVIEW
Duncan J Topliss
Aspects of autoimmune thyroid disease updated in this review include: immunoglobulin G4 (IgG4)-related thyroid disease (Riedel's thyroiditis, fibrosing variant of Hashimoto's thyroiditis, IgG4-related Hashimoto's thyroiditis, and Graves' disease with elevated IgG4 levels); recent epidemiological studies from China and Denmark indicating that excess iodine increases the incidence of Hashimoto's thyroiditis and hypothyroidism; immunomodulatory agents (ipilimumab, pembrolizumab, nivolumab) activate immune response by inhibiting T-cell surface receptors which down-regulate immune response, i...
December 2016: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28018345/increased-toll-like-receptors-activity-and-tlr-ligands-in-patients-with-autoimmune-thyroid-diseases
#20
Shiqiao Peng, Chenyan Li, Xinyi Wang, Xin Liu, Cheng Han, Ting Jin, Shanshan Liu, Xiaowen Zhang, Hanyi Zhang, Xue He, Xiaochen Xie, Xiaohui Yu, Chuyuan Wang, Ling Shan, Chenling Fan, Zhongyan Shan, Weiping Teng
OBJECTIVE: Autoimmune thyroid disease (AITD) is an organ-specific disorder due to the interplay between environmental and genetic factors. Toll-like receptors (TLRs) are pattern recognition receptors expressed abundantly on monocytes. There is a paucity of data on TLR expression in AITD. The aim of this study was to examine TLR expression, activation, ligands, and downstream signaling adaptors in peripheral blood mononuclear cells (PBMCs) extracted from untreated AITD patients and healthy controls...
2016: Frontiers in Immunology
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