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Thyroid autoimmunity

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https://www.readbyqxmd.com/read/28428670/thyroid-autoimmunity-in-patients-with-chronic-urticaria
#1
Emina Kasumagic-Halilovic, Nermina Beslic, Nermina Ovcina-Kurtovic
INTRODUCTION: chronic urticaria (CU) is a skin disorder characterized by transient, pruritic wheals persisting for longer than 6 weeks. The etiopathogenesis of the disease is still unclear, but there is evidence that autoimmunity and endocrine dysfunction may be involved. AIM: the aim of this study was to determine whether chronic urticaria is statistically associated with thyroid autoimmunity. PATIENTS AND METHODS: in a prospective case-control study, we compared the frequency of thyroid auto-antibodies (thyroglobulin antibody, anti-Tg and thyroid peroxidase antibody, anti-TPO) in 70 patients with chronic urticaria and in 70 healthy volunteers...
February 2017: Medical Archives
https://www.readbyqxmd.com/read/28421036/genetics-of-thyroid-stimulating-hormone-receptor-relevance-for-autoimmune-thyroid-disease
#2
REVIEW
Mihaela Stefan, Larissa C Faustino
Production of thyroid-stimulating hormone receptor (TSHR) antibodies represents the hallmark of Graves' disease (GD) pathogenesis. Thus, for more than two decades the TSHR gene has been at the center of studies intended to elucidate its contribution to disease pathology. The advent of genome-wide association technology allowed to establish a strong association of the TSHR gene with GD. Subsequent fine-mapping studies narrowed the disease-susceptibility region to a 40 kb sequence in intron 1, where at least five GD-associated SNPs in tight linkage disequilibrium were identified...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28417627/a-retrospective-study-on-the-association-between-thyroid-autoantibodies-with-%C3%AE-2-glycoprotein-and-cardiolipin-antibodies-in-recurrent-miscarriage
#3
Regina Promberger, Katharina Walch, Rudolf Seemann, Sophie Pils, Johannes Ott
Etiologic factors for recurrent miscarriage (RM) include autoimmune diseases, the most frequently antiphospholipid syndrome and thyroiditis. Some women who suffer from RM might also have an altered immune system. We aimed to evaluate possible associations between anti-thyroid and anti-phospholipid antibodies in women with RM. In a retrospective case series 1 on 156 women with RM, major outcome parameters were antibodies against cardiolipin, β2-glycoprotein I, thyreoperoxidase (TPO-Ab), and thyroglobulin (TG-Ab)...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28417080/applying-a-systems-approach-to-thyroid-physiology-looking-at-the-whole-with-a-mitochondrial-perspective-instead-of-judging-single-tsh-values-or-why-we-should-know-more-about-mitochondria-to-understand-metabolism
#4
REVIEW
Roy Moncayo, Helga Moncayo
Classical thinking in endocrine physiology squeezes our diagnostic handling into a simple negative feedback mechanism with a controller and a controlled variable. In the case of the thyroid this is reduced to TSH and fT3 and fT4, respectively. The setting of this tight notion has no free space for any additions. In this paper we want to challenge this model of limited application by proposing a construct based on a systems approach departing from two basic considerations. In first place since the majority of cases of thyroid disease develop and appear during life it has to be considered as an acquired condition...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28414788/patients-with-subclinical-hypothyroidism-before-20-weeks-of-pregnancy-have-a-higher-risk-of-miscarriage-a-systematic-review-and-meta-analysis
#5
Yibing Zhang, Haoyu Wang, Xifeng Pan, Weiping Teng, Zhongyan Shan
OBJECTIVE: To evaluate the relationship between subclinical hypothyroidism (SCH) and the risk of miscarriage before 20 weeks of pregnancy. METHODS: Literature databases were searched, including the PubMed, Web of Science, Embase and Cochrane databases, from January 1, 1980, to December 31, 2015. The following search terms were used: subclinical hypothyroidism, hypothyroidism, thyroid dysfunction, thyroid hypofunction, subclinical thyroid disease, thyroid dysfunction, pregnancy loss, abortion and miscarriage...
2017: PloS One
https://www.readbyqxmd.com/read/28413469/repairing-effects-of-icam-1-expressing-mesenchymal-stem-cells-in-mice-with-autoimmune-thyroiditis
#6
Shifeng Ma, Xiuhui Chen, Lihui Wang, Ying Wei, Yongqing Ni, Yanan Chu, Yuanlin Liu, Heng Zhu, Rongxiu Zheng, Yi Zhang
The aim of the present study was to determine the repairing effects of intercellular adhesion molecule (ICAM)-1-expressing mesenchymal stem cells (MSCs) in mice with autoimmune thyroiditis. Following induction of an experimental autoimmune thyroiditis (EAT) model, mice were randomly divided into the following groups (n=10 each): i) Normal control; and experimental groups that were subject to EAT induction, including ii) EAT model; and iii) primary MSC; iv) C3H10T1/2/MSC; v) C3H10T1/2-MIGR1/MSC; and vi) C3H10T1/2-MIGR1-ICAM-1/MSC, which were all administered the relevant cells...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28413173/25-hydroxyvitamin-d-serum-level-in-hashimoto-s-thyroiditis-but-not-graves-disease-is-relatively-deficient
#7
Wencai Ke, Tiange Sun, Yanan Zhang, Leqi He, Qiang Wu, Jun Liu, Bingbing Zha
Vitamin D is a modulator of both the innate and adaptive immune system. As vitamin D deficiency was a risk factor for some autoimmune diseases, we aimed to evaluate the serum vitamin D levels in autoimmune thyroid diseases (AITD) including Graves’ disease (GD) and Hashimoto’s thyroiditis (HT) and investigated the association between serum vitamin D levels and AITD. 175 AITD patients including 51 GD, 61 euthyroid HT (mild HT), 63 euthyroid HT patients with hypothyroidism receiving hormone therapy (treated HT) were recruited from the outpatient department...
April 11, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28407273/comorbidity-of-chronic-spontaneous-urticaria-and-autoimmune-thyroid-diseases-a-systematic-review
#8
REVIEW
Pavel Kolkhir, Martin Metz, Sabine Altrichter, Marcus Maurer
Chronic spontaneous urticaria (CSU) patients are widely held to often have other autoimmune disorders, including autoimmune thyroid disease. Here, we systematically evaluated the literature on the prevalence of thyroid autoimmunity in CSU and vice versa. There is a strong link between CSU and elevated levels of IgG anti-thyroid autoantibodies (AAbs), with most of a large number of studies reporting rates of ≥10%. Levels of IgG against thyroid peroxidase (TPO) are more often elevated in CSU than those of other IgG anti-thyroid AAbs (strong evidence)...
April 13, 2017: Allergy
https://www.readbyqxmd.com/read/28406057/subclinical-hypothyroidism-should-we-treat
#9
Christopher Redford, Bijay Vaidya
Subclinical hypothyroidism (also known as compensated hypothyroidism or mild hypothyroidism) is a condition associated with a raised serum concentration of thyroid stimulating hormone (TSH) but a normal serum free thyroxine (FT4). It is common, affecting about 10% of women above the age of 55 years. Autoimmunity is the commonest cause of subclinical hypothyroidism. About 2.5% of patients with subclinical hypothyroidism progress to clinically overt hypothyroidism each year; the rate of progression is higher in patients with thyroid autoantibodies and higher thyroid stimulating hormone levels...
January 1, 2017: Post Reproductive Health
https://www.readbyqxmd.com/read/28405484/thyroid-associated-ophthalmopathy
#10
REVIEW
Esra Şahlı, Kaan Gündüz
Thyroid-associated ophthalmopathy is the most frequent extrathyroidal involvement of Graves' disease but it sometimes occurs in euthyroid or hypothyroid patients. Thyroid-associated ophthalmopathy is an autoimmune disorder, but its pathogenesis is not completely understood. Autoimmunity against putative antigens shared by the thyroid and the orbit plays a role in the pathogenesis of disease. There is an increased volume of extraocular muscles, orbital connective and adipose tissues. Clinical findings of thyroid-associated ophthalmopathy are soft tissue involvement, eyelid retraction, proptosis, compressive optic neuropathy, and restrictive myopathy...
April 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28405320/distinct-metaplastic-and-inflammatory-phenotypes-in-autoimmune-and-adenocarcinoma-associated-chronic-atrophic-gastritis
#11
Sangho Jeong, Eunyoung Choi, Christine P Petersen, Joseph T Roland, Alessandro Federico, Rossana Ippolito, Francesco P D'Armiento, Gerardo Nardone, Osamu Nagano, Hideyuki Saya, Marco Romano, James R Goldenring
BACKGROUND: Autoimmune gastritis (AIG) and adenocarcinoma-associated chronic atrophic gastritis (CAG) are both associated with oxyntic atrophy, but AIG patients demonstrate an increased risk of carcinoid tumors rather than the elevated risk of adenocarcinoma observed with CAG. We therefore sought to compare the characteristics of the metaplastic mucosa in AIG and CAG patients. METHODS: We examined markers for metaplasia (spasmolytic polypeptide expressing metaplasia (SPEM) and intestinal metaplasia) as well as proliferation (Ki67) and immune cell populations (neutrophils, macrophages, and eosinophils) in gastric sections from 16 female patients with autoimmune thyroiditis and AIG and 17 patients with CAG associated with gastric adenocarcinoma...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28400827/effects-of-vitamin-d-deficiency-treatment-on-metabolic-markers-in-hashimoto-thyroiditis-patients
#12
Parichehr Vahabi Anaraki, Ashraf Aminorroaya, Massoud Amini, Awat Feizi, Bijan Iraj, Azamosadat Tabatabaei
BACKGROUND: The aim of the current trial was to investigate the effect of Vitamin D treatment on metabolic markers in people with Vitamin D deficiency and thyroid autoimmunity. MATERIALS AND METHODS: In this double-blind, randomized, placebo-controlled clinical trial, 65 Vitamin D deficient euthyroid or hypothyroid patients with positive TPO-Ab were enrolled. They randomly allocated into two groups to receive oral Vitamin D3 (50000 IU weekly) and placebo for 12 weeks...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28400547/anemia-in-thyroid-diseases
#13
Ewelina Szczepanek-Parulska, Aleksandra Hernik, Marek Ruchała
Anemia is a frequent, although often underestimated, clinical condition accompanying thyroid diseases. In spite of the fact that anemia and thyroid dysfunction often occur simultaneously, the causative relationship between these two disorders remains ambiguous. Thyroid hormones stimulate erythrocytes precursors proliferation directly, as well as via erythropoietin production enhancement, whereas iron-deficient anemia negatively influences thyroid hormonal status. Thus, different forms of anemia might emerge in the course of thyroid dysfunction...
March 28, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28400351/frequency-of-nodular-goiter-and-autoimmune-thyroid-disease-and-association-of-these-disorders-with-insulin-resistance-in-polycystic-ovary-syndrome
#14
Melia Karaköse, Sema Hepsen, Erman Çakal, Müyesser Saykı Arslan, Esra Tutal, Şafak Akın, İlknur Ünsal, Mustafa Özbek
OBJECTIVE: Polycystic ovary syndrome (PCOS) is a frequent endocrine disease in women. Nodular goiter and autoimmune thyroid disease (AITD) are the endocrinological abnormalities that have high prevalence. The purpose of our study was to detect the prevalence of AITD and nodular goiter in PCOS patients and investigate whether PCOS related hormones and metabolic factors affect these thyroid disorders. MATERIAL AND METHODS: Ninety-seven with PCOS and seventy-one healthy female volunteers were recruited in the study...
February 7, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28400115/thymus-transplantation-for-complete-digeorge-syndrome-european-experience
#15
E Graham Davies, Melissa Cheung, Kimberly Gilmour, Jesmeen Maimaris, Joe Curry, Anna Furmanski, Neil Sebire, Neil Halliday, Konstantinos Mengrelis, Stuart Adams, Jolanta Bernatoniene, Ronald Bremner, Michael Browning, Blythe Devlin, Hans Christian Erichsen, H Bobby Gaspar, Lizzie Hutchison, Winnie Ip, Marianne Ifversen, T Ronan Leahy, Elizabeth McCarthy, Despina Moshous, Kim Neuling, Malgorzata Pac, Alina Papadopol, Kathryn L Parsley, Luigi Poliani, Ida Ricciardelli, David M Sansom, Tiia Voor, Austen Worth, Tessa Crompton, M Louise Markert, Adrian J Thrasher
BACKGROUND: Thymus transplantation is a promising strategy for the treatment of athymic complete DiGeorge syndrome (cDGS). METHODS: Twelve patients with cDGS were transplanted with allogeneic cultured thymus. OBJECTIVE: To confirm and extend the results previously obtained in a single centre. RESULTS: Two patients died of pre-existing viral infections without developing thymopoeisis and one late death occurred from autoimmune thrombocytopaenia...
April 8, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28398380/-amiodarone-induced-thyrotoxicosis
#16
Fausto Bogazzi, Luca Tomisti, Vitantonio Di Bello, Enio Martino
Amiodarone-induced thyroid dysfunction occurs in about 15-20% of patients under amiodarone therapy. Amiodarone-induced hypothyroidism (AIH) can develop in patients with an apparently normal thyroid gland or in those with an underlying chronic autoimmune thyroiditis. On a clinical ground, AIH is not challenging and can be easily treated with L-thyroxine therapy. Amiodarone-induced thyrotoxicosis (AIT) can occur in patients with (AIT 1) or without (AIT 2) an underlying thyroid disease. AIT 1 is a true iodine-induced hyperthyroidism occurring in patients with an underlying thyroid autonomy while AIT 2 is a drug-induced destructive thyroiditis...
March 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28394968/-autoimmune-encephalitis-induced-by-antibodies-against-gaba-a-receptor
#17
Pablo González R, Lorena Hudson A, Esteban Basáez M, Marcelo Miranda C
Among autoimmune encephalitides, a prevalent group are those associated with antibodies against the N-Methyl-D-aspartate receptor, which present with behavior abnormalities, psychosis, seizures and abnormal movements. A new variant, mediated by antibodies against the GABA-A receptor, was recen-tly described. We report a 66-years-old female with this form of encephalitis whose main manifestation was the presence of severe seizures leading to status epilepticus. The patient had a good response to immunomodulatory therapy with intravenous methylprednisolone, azathioprine and anticonvulsants...
November 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28393316/profiling-of-selenium-absorption-and-accumulation-in-healthy-subjects-after-prolonged-l-selenomethionine-supplementation
#18
C Di Dato, D Gianfrilli, E Greco, M Astolfi, S Canepari, A Lenzi, A M Isidori, E Giannetta
PURPOSE: Autoimmune thyroiditis and its complications for the reproductive system are a growing problem. Selenium is a common ingredient in numerous food supplements recommended for thyroiditis and pregnancy. A fast, simple method to measure serum selenium concentration will improve knowledge of its pharmacokinetics and toxicity. AIM: To validate a useful method to measure serum selenium concentration and to study selenium absorption and accumulation in a prospective interventional study of prolonged treatment...
April 9, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28389359/intronic-variants-of-slc26a4-gene-enhance-splicing-efficiency-in-hybrid-minigene-assay
#19
Rihab Kallel Bouattour, Salima Belguith Maalej, Emna Zouari-Bradai, Mouna Mnif, Mohamed Abid, Hassen Hadj Kacem
The SLC26A4 genomic sequence screening in autoimmune thyroid diseases (AITD) revealed different variants types with possible pathogenic effects. Although intronic variants may have more detrimental effects than those coding, they are poorly explored. Thus, in a first assessment, our bioinformatics analysis of intronic variants predicted a pathogenic effect of c.1002-9A>C, c.1545-5T>G and c.1544+9C>T variants. Validating these variants pathogenicity may provide new clues on the AITD physiopathology...
April 4, 2017: Gene
https://www.readbyqxmd.com/read/28388873/changes-in-the-dna-methylation-and-hydroxymethylation-status-of-the-intercellular-adhesion-molecule-1-gene-promoter-in-thyrocytes-from-autoimmune-thyroiditis-patients
#20
Tingting Liu, Jie Sun, Zhaojun Wang, Wenqing Yang, Hao Zhang, Chenling Fan, Zhongyan Shan, Weiping Teng
BACKGROUND: The intercellular adhesion molecule 1 (ICAM1) gene is not expressed in normal thyroid tissue but was shown to be expressed in the thyroid tissue of autoimmune thyroiditis (AIT) patients. METHODS: This study aimed to explore whether the DNA methylation and hydroxymethylation status of the ICAM1 promoter are aberrantly altered in the thyroid cells of AIT patients and whether this change is associated with dysfunctional expression of ICAM1. A total of 35 AIT patients and 35 sex- and age-matched controls were studied...
April 7, 2017: Thyroid: Official Journal of the American Thyroid Association
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