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Thyroid antibodies

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https://www.readbyqxmd.com/read/28441800/-risk-for-metastasis-of-lymph-node-between-sternocleidomastoid-and-sternohyoid-muscle-in-papillary-thyroid-cancer
#1
G H Sun, N Qu, J Q Hu, R L Shi, T T Zhang, D Wen, Y L Wang, Y Wang, Y X Zhu, Q H Ji
Objective: To analyze the risk factors for metastasis of lymph nodes between sternocleidomastoid and sternohyoid muscle (LNSS) in papillary thyroid cancer (PTC). Methods: Papillary thyroid cancer patients with clinically positive lateral lymph node metastasis (cN1) who underwent surgery including LNSS dissection between May 1, 2013 and May 31, 2016 at the Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center were retrospectively studied. Logistic regression analysis was performed to evaluate possible clinicopathological factors related to LNSS metastasis...
April 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28440781/immunohistochemical-detection-of-the-braf-v600e-mutation-in-papillary-thyroid-carcinoma-evaluation-against-real-time-polymerase-chain-reaction
#2
Miguel Paja Fano, Aitziber Ugalde Olano, Elena Fuertes Thomas, Amelia Oleaga Alday
INTRODUCTION: The BRAF V600E mutation is the most common genetic change in papillary thyroid carcinoma and is associated with a poorer clinical course. Usual methods for its study (DNA sequencing or molecular test based on PCR) are expensive and time-consuming. Recently, immunohistochemistry (IHC) for BRAF mutation has been introduced. OBJECTIVE: To compare the results of IHC and real time PCR (RT-PCR) in the detection of BRAF V600E mutation in papillary thyroid carcinoma...
February 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28439882/prevalence-and-clinical-relevance-of-tsh-receptor-blocking-antibodies-in-autoimmune-thyroid-disease
#3
T Diana, J Krause, P D Olivo, J König, M Kanitz, B Decallonne, G J Kahaly
OBJECTIVE: The prevalence and clinical relevance of TSH-receptor (TSHR) blocking antibodies (TBAb) in patients with autoimmune thyroid disease (AITD) was investigated. METHODS: Serum TBAb were measured with a reporter gene bioassay using chinese hamster ovary cells. Blocking activity was defined as percentage inhibition of luciferase expression relative to induction with bovine TSH alone (cut-off 40% inhibition). All samples were measured for TSHR stimulatory Ab (TSAb) and TSHR binding inhibiting immunoglobulins (TBII)...
April 25, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28435274/hashimoto-encephalopathy-with-high-plasma-monoamine-metabolite-levels-a-case-report
#4
Sho Horikoshi, Itaru Miura, Yasuto Kunii, Satoko Asano, Keiko Kanno-Nozaki, Hirobumi Mashiko, Hirooki Yabe
Hashimoto encephalopathy (HE) is believed to be an immune-mediated disorder associated with Hashimoto's thyroiditis. It was suggested that neuropsychiatric symptoms, the presence of antithyroid antibody, and good response to steroids were important for the diagnosis of HE. It has been reported that homovanillic acid (HVA) and 3-methoxy-4-hydroxyphenylglycol (MHPG), which are monoamine metabolites of dopamine and noradrenaline, respectively, are the possible biomarkers of neuropsychiatric diseases. We report a case of Hashimoto encephalopathy, in which we longitudinally measured the plasma levels of monoamine metabolites...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28433882/hypothyroidism-following-allogeneic-hematopoietic-stem-cell-transplantation-for-acute-myeloid-leukemia
#5
Michael Medinger, Deborah Zeiter, Dominik Heim, Jörg Halter, Sabine Gerull, André Tichelli, Jakob Passweg, Nicole Nigro
BACKGROUND: Hypothyroidism may complicate allogeneic hematopoietic stem cell transplantation (allo-HSCT); we therefore analyzed risk factors in this study. PATIENTS AND METHODS: We studied 229 patients with acute myeloid leukemia (AML) who underwent an allo-HSCT between 2003 and 2013 with different conditioning regimens (myeloablative, reduced-intensity, chemotherapy-based, or total body irradiation-based). Thyroid-stimulating hormone (TSH) and free thyroxine levels (fT4) were available in 104 patients before and after allo-HSCT...
April 13, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28433252/nrasq61r-immunohistochemistry-detects-both-nrasq61r-and-krasq61r-mutations-in-colorectal-cancer
#6
Jie-Yang Jhuang, Chang-Tsu Yuan, Yu-Lin Lin, Mei-Ling Cheng, Jau-Yu Liau, Jia-Huei Tsai
The NRASQ61R monoclonal antibody (clone sp174) is a mutation-specific antibody that is increasingly being used to detect the NRAS(Q61R) mutation in melanomas. This antibody has been reported to be highly correlated with the NRAS(Q61R) mutation status in melanomas and follicular neoplasms of the thyroid gland. However, its utility in colorectal carcinoma (CRC) has remained largely unknown. In this study, we assessed the sensitivity, specificity, and diagnostic utility of NRASQ61R immunohistochemistry in a cohort consisting of tissue sections of 113 CRCs, which were molecularly profiled for the KRAS, NRAS, and BRAF mutations...
April 19, 2017: Pathology
https://www.readbyqxmd.com/read/28432860/high-ki-67-expression-is-associated-with-prolactin-secreting-pituitary-adenomas
#7
Bogdan Bălinişteanu, Anca Maria Cîmpean, Amalia Raluca Ceauşu, Ana Silvia Corlan, Eugen Melnic, Marius Raica
Pituitary adenomas represent the third most common primary intracranial tumor in neurosurgical practice. To understand the biological behaviour of the pituitary adenomas previous studies have determined the tumor proliferation rate using monoclonal antibodies targeted against the Ki-67 antigen. The aim of this study was to correlate the Ki-67 index with hormonal profiles of pituitary adenomas. The study included 50 pituitary adenoma cases. For histopathologic evaluation, the sections were stained with routine hematoxylin and eosin method...
April 22, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28431875/protein-oxidation-and-autoantibodies-reactivity-against-malondialdehyde-and-hydrogen-peroxide-modified-thyroid-antigens-in-plasma-of-patients-with-graves-disease-and-hashimoto-thyroiditis
#8
Malek Mseddi, Riadh Ben Mansour, Bochra Gargouri, Fatma Mnif, Samir El Ghawi, Boutheina Hammami, Abdelmonem Ghorbel, Mohamed Abid, Saloua Lassoued
The aim of this study was first to investigate the oxidative proteins modifications in the plasma of both autoimmune thyroid diseases (AITD), Graves' disease (GD) and Hashimoto Thyroiditis (HT). Then, the impact of these oxidative modifications on immune response was evaluated by measuring the reactivity of patients' autoantibodies against malondialdéhyde (MDA) and Hydrogen peroxide (H2O2) modified thyroid antigens (T.Ag) in comparison to native ones. Carbonyl and thiol groups, and MDA-protein adducts were first assessed among 74 AITD patients and 65 healthy controls...
April 18, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28428694/a-microarray-immunoassay-for-serum-thyrotropin-and-thyroglobulin-using-antibodies-immobilized-on-track-etched-membranes
#9
Bharti Jain, J Kumarasamy, Chandrakala Gholve, Savita Kulkarni, M G R Rajan
Serum thyroglobulin (Tg) and thyroid stimulating hormone (TSH) measurements have evolved as important analytes for monitoring the prognosis of patients with differentiated thyroid cancer, post-thyroidectomy. Individual analyte immunoassay is the current practice in clinical pathology, but the simultaneous assay for all relevant analytes for a given disease, can reduce assay costs, improve patient compliance and give the clinician more information for an unequivocal diagnosis. Microarray immunoassay (MI) can achieve this goal and, hence, we have developed and validated a immuno-radiometric MI for quantitation of serum TSH and Tg by using highly micro-porous polycarbonate (PC) track-etched membranes (TEM) to immobilize the monoclonal anti-TSH and polyclonal anti-Tg antibodies in ~1 mm diameter spots...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28428670/thyroid-autoimmunity-in-patients-with-chronic-urticaria
#10
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
#11
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/28420659/very-low-expression-of-pd-l1-in-medullary-thyroid-carcinoma
#12
Massimo Bongiovanni, Caterina Rebecchini, Chiara Saglietti, Jean-Luc Bulliard, Laura Marino, Laurence De Leval, Gerasimos P Sykiotis
Monoclonal antibodies that inhibit the interaction between PD1 and PD-L1 are approved for clinical use in several cancer types, and they are also in clinical trials for additional indications, including thyroid carcinomas. A few papers have reported on PD-L1 expression in thyroid carcinomas, including a recent large study by Ahn et al. in Endocrine-Related Cancer using tissue microarrays on differentiated and anaplastic thyroid carcinoma. However, the expression of PD-L1 in medullary thyroid carcinoma (MTC) has not been reported so far, even though ongoing clinical studies aim to test the effectiveness of checkpoint inhibitors in this rare histotype as well...
April 18, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28418929/plurihormonal-cells-of-normal-anterior-pituitary-facts-and-conclusions
#13
Lubov B Mitrofanova, Petr V Konovalov, Julia S Krylova, Victoria O Polyakova, Igor M Kvetnoy
INTRODUCTION: plurihormonality of pituitary adenomas is an ability of adenoma cells to produce more than one hormone. After the immunohistochemical analysis had become a routine part of the morphological study, a great number of adenomas appeared to be multihormonal in actual practice. We hypothesize that the same cells of a normal pituitary gland releases several hormones simultaneously. OBJECTIVE: To analyse a possible co-expression of hormones by the cells of the normal anterior pituitary of adult humans in autopsy material...
March 23, 2017: Oncotarget
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
#14
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/28413469/repairing-effects-of-icam-1-expressing-mesenchymal-stem-cells-in-mice-with-autoimmune-thyroiditis
#15
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
#16
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/28406057/subclinical-hypothyroidism-should-we-treat
#17
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/28401443/prevalence-of-hypophysitis-in-a-cohort-of-patients-with-metastatic-melanoma-and-prostate-cancer-treated-with-ipilimumab
#18
Lucia Brilli, Riccardo Danielli, Cristina Ciuoli, Luana Calabrò, Anna Maria Di Giacomo, Alfonso Cerase, Patrizia Paffetti, Fausta Sestini, Brunetta Porcelli, Michele Maio, Furio Pacini
OBJECTIVE: Ipilimumab is a human monoclonal antibody directed against cytotoxic T-lymphocyte antigen-4, that has been shown to significantly improve survival in patients with metastatic melanoma. Blocking cytotoxic T-lymphocyte antigen-4 elicits T cell activation, proliferation and anti-tumor response, but can also trigger immune-related adverse events. Among immune-related endocrinopathies, hypophysitis represents the most frequent, with an incidence up to 17% in patients treated with ipilimumab...
April 12, 2017: Endocrine
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
#19
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/28398507/prevalence-and-significance-of-thyroglobulin-antibodies-in-pediatric-thyroid-cancer
#20
Ari J Wassner, Margaret Della Vecchia, Petr Jarolim, Henry A Feldman, Stephen A Huang
Context: Circulating thyroglobulin antibodies (TgAb) can confound measurement of serum thyroglobulin and impair thyroid cancer surveillance. Few data exist on the significance of TgAb in pediatric thyroid cancer. Objective: To describe the prevalence, natural history, and clinical significance of TgAb in children with thyroid cancer. Design: Retrospective cohort study. Setting: Single academic pediatric referral center...
April 10, 2017: Journal of Clinical Endocrinology and Metabolism
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