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Ms thyroid

Cobra Payghani, Fatemeh Khani, Aryan Rafieezadeh, Parham Reisi, Hojjatallah Alaei, Bahman Rashidi
Background: Multiple sclerosis (MS) is a demyelinating disease of the central nervous system which has no any known definitive treatment. Studies have shown that thyroid hormones (THs) in addition to their roles in the development of the nervous system and the production of myelin have important roles in the adult's brain function. Since the only way to treat MS is the restoration of myelin, the aim of this study was to evaluate the effects of levothyroxine on visual evoked potential (VEP) impairment following local injections of lysolecithin into the rat optic chiasm...
2018: International Journal of Preventive Medicine
R Schneider, A Machens, C Sekulla, K Lorenz, F Weber, H Dralle
BACKGROUND: There are few data on intermittent and continuous intraoperative nerve monitoring (IONM) during thyroidectomy in children. METHODS: All children aged 18 years or younger who had standard thyroid operations using intermittent or continuous IONM between January 1998 and December 2016 were included in the study. The impact of age and type of IONM on basal amplitude, latency and complications after thyroidectomy were assessed. RESULTS: A total of 504 children were included in the study...
March 13, 2018: British Journal of Surgery
Simona Perga, Serena Martire, Francesca Montarolo, Ilaria Giordani, Michela Spadaro, Gabriele Bono, Stefania Corvisieri, Ilaria Messuti, Giancarlo Panzica, Fabio Orlandi, Antonio Bertolotto
Autoimmune diseases are a diverse group of chronic disorders and affect a multitude of organs and systems. However, the existence of common pathophysiological mechanisms is hypothesized and reports of shared risk are emerging as well. In this regard, patients with multiple sclerosis (MS) have been shown to have an increased susceptibility to develop chronic autoimmune thyroid diseases, in particular Hashimoto's thyroiditis (HT), suggesting an autoimmune predisposition. However, studies comparing such different pathologies of autoimmune origin are still missing till date...
2018: Frontiers in Immunology
Virginia Devonshire, Richard Phillips, Hilary Wass, Gerald Da Roza, Peter Senior
Alemtuzumab is a humanized anti-CD52 monoclonal antibody approved in more than 65 countries for the treatment of relapsing-remitting multiple sclerosis (RRMS). Compared with subcutaneous interferon-beta-1a, alemtuzumab significantly reduced clinical disease activity and the rate of brain volume loss, and improved disability outcomes in patients with active RRMS who were either treatment naive (CARE-MS I study) or who had an inadequate response (≥ 1 relapse after ≥ 6 months of treatment) to prior therapy (CARE-MS II study)...
March 10, 2018: Journal of Neurology
Lorena Lorefice, Giuseppe Fenu, Roberta Pitzalis, Giulia Scalas, Jessica Frau, Giancarlo Coghe, Luigina Musu, Vincenzo Sechi, Maria Antonietta Barracciu, Maria Giovanna Marrosu, Eleonora Cocco
BACKGROUND: Several studies indicated that multiple sclerosis (MS) is frequently associated with other autoimmune diseases. However, it is little known if the coexistence of these conditions may influence the radiologic features of MS, and in particular the brain volumes. OBJECTIVES: To evaluate the effect of autoimmune comorbidities on brain atrophy in a large case-control MS population. METHODS: A group of MS patients affected by a second autoimmune disorder, and a control MS group without any comorbidity, were recruited...
March 5, 2018: Journal of Neurology
Lian-Jie Ren, Hua-Jing Wu, Li-Han Sun, Xue Xu, Li-Ying Mo, Lei Zhang, Jun-Ying Zhang, Chun-Yong Wu
Cabozantinib (CBZ) could be used for the treatment of progressive, metastatic medullary thyroid cancer. Its major oxidative metabolite is cabozantinib N-oxide (CBN) which contains a structural alert associated with mutagenicity, yet the pharmacokinetics study lacks the simultaneous investigation of CBN and dose proportionality. In current study a simple LC-MS/MS method was developed and validated for the simultaneous estimation and pharmacokinetic investigation of CBZ and CBN in rat plasma. The analytes were separated on a Waters Atlantics C18 column (2...
March 3, 2018: Biomedical Chromatography: BMC
Agathocles Tsatsoulis
Thyroid follicular cells, as well as adrenocortical cells, are endowed by an intrinsic heterogeneity regarding their growth potential, in response to various stimuli. This heterogeneity appears to constitute the underlying cause for the focal cell hyperplasia and eventually the formation of thyroid and adrenal nodules, under the influence of growth stimulatory factors. Among the main stimulatory factors are the pituitary tropic hormones, thyroid-stimulating hormone (TSH) or thyrotropin and adrenocorticotropic hormone (ACTH), which regulate the growth and function of their respective target cells, and the insulin/insulin-like growth factor system, that, through its mitogenic effects, can stimulate the proliferation of these cells...
February 26, 2018: Journal of Clinical Medicine
Anna Wojakowska, Laura M Cole, Mykola Chekan, Katarzyna Bednarczyk, Magdalena Maksymiak, Małgorzata Oczko-Wojciechowska, Barbara Jarząb, Malcolm R Clench, Joanna Polańska, Monika Pietrowska, Piotr Widlak
INTRODUCTION: The distinction of papillary thyroid carcinomas from benign thyroid lesions has important implication for clinical man-agement. Classification based on histopathological features can be supported by molecular biomarkers, including lipidomic signatures, identified with the use of high-throughput mass spectrometry techniques. Formalin fixation is a standard procedure for stabilization and preservation of tissue samples, therefore this type of samples constitute highly valuable source of clinical material for retrospective molecular studies...
2018: Endokrynologia Polska
Natalie C Edwards, Michael Munsell, Joseph Menzin, Amy L Phillips
Objective: To assess the trends in the prevalence of comorbidities in US patients with multiple sclerosis (MS), and the association of demographic characteristics with the presence of comorbidities. Study design: A retrospective analysis was conducted from a sample of 5 million patients from the IMS Health Real World Data Adjudicated Claims - US database. Methods: Comorbidity in patients with MS was assessed by year (2006-2014), and logistic regression models evaluated the association of age, sex, and region with select comorbidities...
2018: Patient related Outcome Measures
Rumi Tanoue, Imari Kume, Yasuo Yamamoto, Kohki Takaguchi, Kei Nomiyama, Shinsuke Tanabe, Tatsuya Kunisue
Thyroid hormones (THs), which mainly consist of 3, 3', 5-triiodo-l-thyronine (T3) and L-thyroxine (T4), play a critical role in regulating biological processes such as growth and metabolism in various animal species. Thus, accurate measurement of T3 and T4, especially physiologically active free (protein-unbound) forms, in serum/plasma is needed for the evaluation of TH homeostasis. However, such high-precision determination of free THs is lacking for non-human species. The present study aimed to develop a highly sensitive and reliable liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the determination of six free THs in serum/plasma, which is applicable to not only humans but also non-human species...
January 30, 2018: Journal of Chromatography. A
Duzgun Yildirim, Deniz Alis, Alev Bakir, Fethi E Ustabasioglu, Cesur Samanci, Bulent Colakoglu
Aim: Differential diagnosis of parenchymal thyroid diseases by gray-scale ultrasound is quite difficult for a radiologist as the findings are very similar to each other. In this study we aimed to assess some quantitative spectral Doppler parameters, resistivity index (RI), acceleration time (AT), and quantitative elastography [shear wave velocity (SWV)] together to show their reliability for differential diagnosis of parenchymal thyroid diseases. Materials and Methods: We retrospectively reviewed findings of 227 patients (179 females, 48 males) that underwent spectral Doppler ultrasound and acoustic radiation force impulse between October 2013 and March 2016...
October 2017: Indian Journal of Radiology & Imaging
Brigitte Decallonne, Emmanuel Bartholomé, Valérie Delvaux, Miguel D'haeseleer, Souraya El Sankari, Pierrette Seeldrayers, Bart Van Wijmeersch, Chantal Daumerie
This paper deals with thyroid disease that can occur after treatment with alemtuzumab (humanized monoclonal anti-CD52) for relapsing-remitting multiple sclerosis (MS). The 5-year incidence of thyroid adverse events in phase 3 clinical trials is up to 40.7%. In most cases, the thyroid dysfunction is mild and easily manageable and only few serious thyroid adverse events have been reported. The need for patient education on the risk of thyroid dysfunction, as well as regular clinical and biochemical thyroid function screening is well described...
January 25, 2018: Acta Neurologica Belgica
Xiaohan Zhang, Wenbin Chen, Shanshan Shao, Guowang Xu, Yongfeng Song, Chao Xu, Ling Gao, Chunxiu Hu, Jiajun Zhao
SCOPE: Increasing evidence has shown that the disturbance of lipid metabolism might make a possible contribution to the pathogenesis of organ dysfunction, including thyroid, yet it is unknown whether excess intake of dietary fat interferes in thyroid lipid profile. We investigated the effects of dietary fat towards the thyroid lipid profile and thyroid function. METHODS AND RESULTS: Male Sprague-Dawley rats were fed with high fat diet (HFD) rich in saturated and mono-unsaturated fatty acids or chow diet for 18 weeks...
January 23, 2018: Molecular Nutrition & Food Research
Marianna Krause, Hanne Frederiksen, Karin Sundberg, Finn Stener Jørgensen, Lisa Neerup Jensen, Pernille Nørgaard, Connie Jørgensen, Pia Ertberg, Jørgen Holm Petersen, Ulla Feldt-Rasmussen, Anders Juul, Krzysztof Drzewiecki, Niels Erik Skakkebæk, Anna-Maria Andersson
BACKGROUND: Several chemical UV filters/absorbers (in the following called UV filters) have endocrine disrupting properties in vitro and in vivo. Exposure to these chemicals, especially during prenatal development, is of concern. OBJECTIVES: To examine maternal exposure to UV filters and associations to maternal thyroid hormone and growth factor concentrations as well as to birth outcomes. METHODS: Prospective study of 183 pregnant women with 2nd trimester serum and urine samples available...
January 23, 2018: Endocrine Connections
Maria di Ioia, Deborah Farina, Valeria di Tommaso, Daniela Travaglini, Erika Pietrolongo, Marco Onofrj, Giovanna de Luca
BACKGROUND: Alemtuzumab, approved for multiple sclerosis (MS), can cause secondary autoimmune adverse events including thyroid disorders, immune thrombocytopenia (ITP), and glomerular nephropathies. Non-ITP autoimmune cytopenias are rarely reported. OBJECTIVE: To report a case of autoimmune hemolytic anemia (AIHA) and nephropathy in a MS patient treated with alemtuzumab. CASE REPORT: A 34-year-old man with MS developed albuminuria and AIHA after the first and only alemtuzumab treatment, with positive Coombs' direct and indirect tests and IgG autoantibodies...
January 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
Naoko Goto-Inoue, Tomohiko Sato, Mizuki Morisasa, Akihiko Kashiwagi, Keiko Kashiwagi, Yuki Sugiura, Eiji Sugiyama, Makoto Suematsu, Tsukasa Mori
Thyroid hormones are not only responsible for thermogenesis and energy metabolism in animals, but also have an important role in cell differentiation and development. Amphibian metamorphosis provides an excellent model for studying the remodeling of the body. This metamorphic organ remodeling is induced by thyroid hormones, and a larval body is thus converted into an adult one. The matrix-assisted laser desorption/ionization (MALDI)-mass spectrometry (MS) imaging technology is expected to be a suitable tool for investigating small bioreactive molecules...
December 15, 2017: Analytical and Bioanalytical Chemistry
Sarah E Wheeler, Li Liu, Harry C Blair, Richard Sivak, Nancy Longo, Jeffery Tischler, Kathryn Mulvey, Octavia M Peck Palmer
OBJECTIVE: Thyroglobulin (Tg) measurements assess recurrence in post-thyroidectomy thyroid cancer patients. Tg measurements by enzyme immunoassays (EIA) can be falsely elevated by interference from Tg autoantibodies (TgAb). Radioimmunoassay (RIA) is less susceptible to TgAb interference and has been the standard-of-care test for TgAb positive patients. Recently developed liquid chromatography tandem mass spectrometry (LC-MS/MS) methods may eliminate TgAb interference. We assessed the performance of Tg measurements by EIA, RIA and LC-MS/MS to evaluate TgAb interference differences...
December 8, 2017: BMC Research Notes
L Montefusco, S Harari, D Elia, A Rossi, C Specchia, O Torre, G Adda, M Arosio
CONTEXT: Diabetes insipidus (DI) is one of most common complications of Langerhans cell histiocytosis (LCH) but prevalence of anterior pituitary deficiencies and metabolic alterations have not been clearly defined yet. OBJECTIVES: Evaluate prevalence of endocrine and metabolic manifestations in a cohort of patients affected by Pulmonary LCH. METHODS: Observational cross-sectional study on 18 adults (7 M/11 F, 42±12years) studied for complete basal and dynamic endocrine lab tests and glucose metabolism...
November 29, 2017: European Journal of Internal Medicine
Ben Sprangers, D Decoo, D Dive, A Lysandropoulos, L Vanopdenbosch, C Bovy
Alemtuzumab is a humanized monoclonal antibody indicated for the treatment of adult patients with relapsing-remitting multiple sclerosis with active disease. Multiple sclerosis (MS) patients treated with alemtuzumab are at increased risk for autoimmune adverse events (thyroid disorders, immune thrombocytopenia, and renal disease). The use of alemtuzumab has been associated with the development of renal immune-mediated adverse events in 0.3% of patients in clinical trials in MS, which generally occurred within 39 months of the last administration...
November 30, 2017: Acta Neurologica Belgica
Marta Gawin, Anna Wojakowska, Monika Pietrowska, Łukasz Marczak, Mykola Chekan, Karol Jelonek, Dariusz Lange, Roman Jaksik, Aleksandra Gruca, Piotr Widłak
Proteomics profiling of tissue specimens representative for major types of thyroid cancers: papillary (classical and follicular variant), follicular, anaplastic and medullary, as well as benign follicular adenoma, was performed using shotgun LC-MS/MS approaches. A combination of Orbitrap and MALDI-TOF approach allowed to identify protein products of 3700 unique genes and revealed large differences between medullary, anaplastic and epithelium-derived differentiated cancers (papillary and follicular). Proteins characteristic for medullary and anaplastic cancers included factors associated with neuroendocrine functions and factors typically associated with advanced malignancies, respectively...
November 26, 2017: Molecular and Cellular Endocrinology
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