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https://www.readbyqxmd.com/read/28817605/all-trans-retinoic-acid-suppresses-malignant-characteristics-of-cd133-positive-thyroid-cancer-stem-cells-and-induces-apoptosis
#1
Dan Mei, Bin Lv, Bo Chen, Shan Xiao, Jie Jiang, Yan Xie, Ling Jiang
Recently, diagnoses of radioiodine-refractory differentiated thyroid cancer (RAI-R DTC) have become more common; prognosis is poor. It has been suggested that cancer stem cells account for radiotherapy resistance. By flow cytometry, different expression percents of CD133 and OCT4 in thyroid cancer cell lines were detected. By real-time quantitative PCR, different mRNA expression of CD133, OCT4, GLUT1, thyroglobulin (TG), thyroperoxidase (TPO) and sodium iodine symporter (NIS) was analyzed; the localization of CD133, OCT4, and NIS expression was examined using immunofluorescence confocal microscopy...
2017: PloS One
https://www.readbyqxmd.com/read/28816945/99mtc-pertechnetate-avid-metastases-from-differentiated-thyroid-cancer-are-prone-to-benefit-from-131i-therapy-a-prospective-observational-study
#2
Min Liu, Li Chai, Qiong Luo, Maomei Ruan, Lingxiao Cheng, Zhongwei Lv, Libo Chen
The aim of this study is to determine the contribution of neck and chest Tc-pertechnetate scan to the management of postoperative patients with suspicious metastatic differentiated thyroid cancer (DTC), particularly to the prediction of response to radioiodine (I) therapy. Just before I administration, a total of 184 postoperative DTC patients with stimulated serum thyroglobulin (ssTg) >10 ng/mL were enrolled to undergo neck and chest Tc-pertechnetate scan, which were directly compared with post-therapeutic I scan to determine the concordance of site and number of metastatic lesions...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28810922/pleural-epithelioid-angiosarcoma-with-lymphatic-differentiation-arisen-after-radiometabolic-therapy-for-thyroid-carcinoma-immunohistochemical-findings-and-review-of-the-literature
#3
REVIEW
Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo, Antonino Giulio Giannone
BACKGROUND: Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first case of pleural angiosarcoma with lymphatic differentiation following radiometabolic therapy for thyroid carcinoma. CASE PRESENTATION: A 50-year-old man showed diffuse pleural thickening and effusion. Nine years earlier, he underwent thyroidectomy and radiometabolic therapy for thyroid carcinoma with lymph node metastases...
August 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28810821/idiopathic-low-ovarian-reserve-is-associated-with-more-frequent-positive-thyroid-peroxidase-antibody
#4
Chien-Wen Chen, Ya-Li Huang, Rui Lan Huang, Chii-Ruey Tzeng, Chi-Huang Chen
BACKGROUND: While screening on thyroid peroxidase antibody (TPO-Ab) has been recommended in women with primary ovarian insufficiency, the relationship between thyroid autoimmunity (TAI) and ovarian reserve remains undetermined. Because the TAI prevalence was reported to be different between races, we aimed to investigate the TAI prevalence in Chinese women with different ovarian reserve. METHODS: This is a cross-sectional study conducted in a university infertility clinic between October 2013 and March 2016...
August 16, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28802863/comparison-of-three-different-assays-for-measuring-thyroglobulin-and-thyroglobulin-antibodies-in-patients-with-chronic-lymphocytic-thyroiditis
#5
Xinqi Cheng, Songlin Yu, Cheng Jin, Song Han, Yingying Hu, Kui Zhang, Huaicheng Liu, Ling Qiu
OBJECTIVE: To evaluate how thyroglobulin (Tg) and thyroglobulin antibody (TgAb) results compare among different chemiluminescence methods. METHODS: Serum specimens from 153 patients with thyroiditis and 127 apparently healthy individuals were collected at the Peking Union Medical College Hospital from September 2014 to December 2014. TgAb and Tg levels were analyzed by using three different platforms manufactured by Roche, Beckman, and Siemens. The χ(2) test was performed to analyze the TgAb results from the different methods...
August 9, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28801060/prognostic-markers-in-well-differentiated-papillary-and-follicular-thyroid-cancer-wdtc
#6
REVIEW
S L Gillanders, J P O'Neill
OBJECTIVES: WDTC (papillary and follicular thyroid cancer) make up around 90% of all thyroid tumours. Overall, the prognosis in patients with WDTC is excellent. However, there are small cohorts of patients who experience a more aggressive form of disease which is often associated with certain poor prognostic factors. Identifying these patients at an early stage is imperative for guiding treatment decisions. With recent developments in this area we plan to discuss the current evidence surrounding prognostic markers...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28794611/single-nucleotide-polymorphism-1623-a-g-rs180195-in-the-promoter-of-the-thyroglobulin-gene-is-associated-with-autoimmune-thyroid-disease-but-not-with-thyroid-ophthalmopathy
#7
Hooshang Lahooti, Senarath Edirimanne, John P Walsh, Leigh Delbridge, Emily J Hibbert, Jack R Wall
BACKGROUND: Our studies over recent years have focused on some new ideas concerning the pathogenesis for the orbital reaction that characterizes Graves' ophthalmopathy namely, that there are antigens expressed by thyroid tissue and orbital tissue where they are targeted by autoantibodies and/or sensitized T cells, leading to orbital inflammation. While this has been well studied for the thyroid stimulating hormone-receptor, the possible role of another major thyroid antigen, Thyroglobulin (TG), has been largely ignored...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28794344/papillary-thyroid-carcinoma-with-desmoid-type-fibromatosis-a-clinical-pathological-and-immunohistochemical-study-of-14-cases
#8
Nami Takada, Mitsuyoshi Hirokawa, Masahiro Ito, Aki Ito, Ayana Suzuki, Miyoko Higuchi, Seiji Kuma, Toshitetsu Hayashi, Masao Kishikawa, Shuichi Horikawa, Akira Miyauchi
Papillary thyroid carcinoma (PTC) with desmoid-type fibromatosis (DTF) is characterized by genetic alterations of the fibroblasts. However, PTC-DTF is extremely rare, and the reports on such cases have been sporadic. Immunohistochemical staining using the antibody for beta-catenin is useful in diagnosing the variant. This report aims to describe the clinical, pathological, and immunohistochemical findings in 14 cases of PTC-DTF and to clarify the diagnostic significance of the variant. The patients included 9 women and 5 men, with a mean age of 49...
August 10, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28793806/the-percentage-of-serum-thyroglobulin-rise-in-the-first-week-did-not-predict-the-eventual-success-of-high-intensity-focussed-ablation-hifu-for-benign-thyroid-nodules
#9
Brian H H Lang, Yu Cho Woo, Keith W H Chiu
BACKGROUND: Given that high-intensity focussed ultrasound (HIFU) of benign thyroid nodules often causes a massive release of thyroglobulin (Tg) into the circulation, we hypothesised a greater initial Tg rise may result in a greater nodule shrinkage 6 months after ablation. METHODS: One hundred and five patients who underwent HIFU for symptomatic benign thyroid nodule from 2015 to 2016 were analysed. Serum Tg and anti-Tg autoantibody were checked on treatment day (baseline) and 4 d after treatment...
August 10, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28776278/expression-of-thyroid-stimulating-hormone-receptors-and-thyroglobulin-in-limbic-regions-in-the-adult-human-brain
#10
Meleshni Naicker, Strinivasen Naidoo
Expression of the human thyroid-specific proteins, thyroid-stimulating hormone receptor (TSH-R) and thyroglobulin (TG) in non-thyroid tissue is well-documented. TSH-R has been identified in the heart, kidney, bone, pituitary, adipose tissue, skin and astrocyte cultures. TG has been identified in the skin, thymus and kidney. However, none of those previous studies had identified TSH-R or TG in specific human brain regions. Previously, a pilot study conducted by our group on normal adult human brain demonstrated TSH-R and TG in cortical neurons and cerebral vasculature, respectively, within various brain areas...
August 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28770411/effect-of-iodine-nutrition-on-pregnancy-outcomes-in-an-iodine-sufficient-area-in-china
#11
Yue Xiao, Huakun Sun, Chenyan Li, Yongze Li, Shiqiao Peng, Chenling Fan, Weiping Teng, Zhongyan Shan
Many studies focused on the association between thyroid disease and pregnancy outcomes. The present study explored the effect of iodine nutrition during the first trimester on pregnancy outcomes. One thousand five hundred sixty-nine pregnant, euthyroid women at ≤12 weeks of gestation in an iodine-sufficient area in China were recruited. According to the World Health Organization (WHO) criteria for iodine nutrition during pregnancy, participants were divided into four groups: adequate iodine (median urinary iodine concentration (UIC), 150-249 μg/L), mild deficiency (UIC, 100-150 μg/L), moderate and severe deficiency (UIC, <100 μg/L), and more than adequate and excessive (UIC, ≥250 μg/L) groups...
August 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28768936/comparison-of-thyroglobulin-and-thyroid-peroxidase-antibodies-measured-by-five-different-kits-in-autoimmune-thyroid-diseases
#12
Eijun Nishihara, Nobuyuki Amino, Takumi Kudo, Mitsuru Ito, Shuji Fukata, Mitsushige Nishikawa, Hirotoshi Nakamura, Akira Miyauchi
It is generally believed that the detection of thyroid peroxidase antibodies (TPOAb) is superior to that of thyroglobulin antibodies (TgAb) for the diagnosis of Hashimoto's thyroiditis. However, limited data are available on the comparison of TgAb and TPOAb prevalence as a diagnostic measurement for Hashimoto's thyroiditis using sensitive immunoassays. We herein used five different current immunoassay kits (A-E) to compare the prevalence of TgAb and TPOAb in Hashimoto's thyroiditis (n = 70), Graves' disease (n = 70), painless thyroiditis (n = 50), and healthy control subjects (n = 100)...
August 2, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28760234/thyroid-cancer-ultrasound-imaging-and-fine-needle-aspiration-biopsy
#13
REVIEW
Michelle Melany, Sardius Chen
Ultrasound is critical in detection, diagnosis, and management of thyroid nodules. Ultrasound detection of regional nodal metastatic disease is based on abnormal nodal morphology rather than size and is critical to initial surgical and long-term management of thyroid cancer. Fine-needle aspiration biopsy is the gold standard for malignancy diagnosis in thyroid cancer. Thyroglobulin assay of nodal aspirates improves accuracy in diagnosis of metastases. Reporting lexicons assign risk levels to thyroid nodules with the goal of improving and standardizing patient management...
September 2017: Endocrinology and Metabolism Clinics of North America
https://www.readbyqxmd.com/read/28760230/biochemical-testing-in-thyroid-disorders
#14
REVIEW
Nazanene H Esfandiari, Maria Papaleontiou
This article summarizes the main principles for the appropriate use of laboratory testing in the diagnosis and management of thyroid disorders, as well as controversies that have arisen in association with some of these biochemical tests. To place a test in perspective, its sensitivity and accuracy should be taken into account. Ordering the correct laboratory tests facilitates the early diagnosis of a thyroid disorder and allows for timely and appropriate treatment. This article focuses on a comprehensive update regarding thyroid-stimulating hormone, thyroxine/triiodothyronine, thyroid autoantibodies, thyroglobulin, and calcitonin...
September 2017: Endocrinology and Metabolism Clinics of North America
https://www.readbyqxmd.com/read/28756810/serum-thyroglobulin-a-sensitive-biomarker-of-iodine-nutrition-status-and-affected-by-thyroid-abnormalities-and-disease-in-adult-populations
#15
Yang DU, Yan Hui Gao, Zhuo Ying Feng, Fan Gang Meng, Li Jun Fan, Dian Jun Sun
OBJECTIVE: To evaluate the usefulness of the thyroglobulin (Tg) level in adults as a nutritional biomarker of iodine status and to identify the factors related to the serum Tg level. METHODS: A cross-sectional study was conducted in adult populations of areas differing in iodine nutrition from three provinces (Autonomous Region) in China. Serum levels of thyroid hormones and Tg as well as thyroid autoantibodies were measured. The thyroid volume and nodule were measured by ultrasound...
July 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28753406/association-of-established-thyroid-stimulating-hormone-and-free-thyroxine-genetic-variants-with-hashimoto-s-thyroiditis
#16
Luka Brčić, Sanda Gračan, Ana Barić, Ivana Gunjača, Vesela Torlak Lovrić, Ivana Kolčić, Tatijana Zemunik, Ozren Polašek, Maja Barbalić, Ante Punda, Vesna Boraska Perica
Hashimoto's thyroiditis (HT), the most frequent autoimmune thyroid disease (AITD), is characterized by chronic inflammation of the thyroid gland that usually results in hypothyroidism. Thyroid-stimulating hormone (TSH) and free thyroxine (FT4) levels are used as clinical determinants of thyroid function. The main aim of this study was to explore the association of established TSH and FT4 genetic variants with HT. We performed a case-control analysis using 23 genetic markers in 200 HT patients and 304 controls...
August 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28751877/autoimmune-abnormalities-of-postpartum-thyroid-diseases
#17
REVIEW
Flavia Di Bari, Roberta Granese, Maria Le Donne, Roberto Vita, Salvatore Benvenga
The year following parturition is a critical time for the de novo appearance or exacerbation of autoimmune diseases, including autoimmune thyroid disease. The vast majority of postpartum thyroid disease consists of postpartum thyroiditis (PPT) and the minority by Graves' disease and non-autoimmune thyroiditis. PPT has a worldwide prevalence ranging from 1 to 22% and averaging 5% based on a review published in 2012. Several factors confer risk for the development of PPT. Typically, the clinical course of PPT is characterized by three phases: thyrotoxic, hypothyroid, and euthyroid phase...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28749399/re-establishment-of-normal-radioactive-iodine-uptake-reference-range-in-the-era-of-universal-salt-iodization-in-the-indian-population
#18
Sanjana Ballal, Ramya Soundararajan, Chandrasekhar Bal
BACKGROUND & OBJECTIVES: The reference radioactive iodine uptake (RAIU) values established in the 1970s in the era of widespread iodine deficiency were relatively high. Now, after four decades of successful Universal Salt Iodization (USI) programme in India, there is a need to re-establish these reference ranges. The present study was aimed to quantify the two-hour and 24-h RAIU values in iodine sufficient euthyroid individuals and validate the results in Graves' and Hashimoto's thyroiditis patients...
March 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28743746/de-novo-triiodothyronine-formation-from-thyrocytes-activated-by-thyroid-stimulating-hormone
#19
Cintia E Citterio, Balaji Veluswamy, Sarah J Morgan, Valerie A Galton, J Paul Banga, Stephen Atkins, Yoshiaki Morishita, Susanne Neumann, Rauf Latif, Marvin C Gershengorn, Terry J Smith, Peter Arvan
The thyroid gland secretes primarily tetraiodothyronine (T4), and some triiodothyronine (T3). Under normal physiological circumstances, only one-fifth of circulating T3 is directly released by the thyroid, but in states of hyperactivation of thyroid-stimulating-hormone receptors (TSHRs), patients develop a syndrome of relative T3-toxicosis. Thyroidal T4 production results from iodination of thyroglobulin (TG) at residues Tyr5 and Tyr130, whereas thyroidal T3 production may originate in several different ways...
July 25, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28742421/comparison-of-30-mci-and-50-mci-i-131-doses-for-ablation-of-thyroid-remnant-in-papillary-thyroid-cancer-patients
#20
Xiao Yue Cai, Niranjan Vijayaratnam, Alexander J B McEwan, Rebecca Reif, Donald W Morrish
PURPOSE OF THE STUDY: To compare efficacy of thyroid remnant ablation using 30 mCi or 50 mCi 131-I in papillary thyroid cancer patients. MATERIALS AND METHODS: Five hundred and fifteen consecutive patients with Tumor-Node-Metastasis (TNM) stages T1-T3 N1/N0/NX receiving either 30 mCi or 50 mCi I-131 were analyzed for the effectiveness of remnant ablation using rhTSH-stimulated serum thyroglobulin. One hundred and five consecutive patients receiving 100 mCi I-131 were analyzed for the incidence of radiation thyroiditis and sialadenitis...
July 25, 2017: Endocrine Research
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