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iodine uptake

Maike A Seiler, Detlef Jensen, Udo Neist, Ursula K Deister, Franz Schmitz
BACKGROUND: Perchlorate salts are relatively stable, soluble in water, and migrate into groundwater sources. Groundwater is an essential source for drinking water suppliers. Perchlorate bears health risks as it is identified to impair normal thyroid function by interfering with iodine uptake by the thyroid gland. The development of a sensitive analytical method for the determination of perchlorate is therefore of the highest interest or public health. Ion chromatography is a sensitive method suitable for perchlorate determinations...
2016: Environmental Sciences Europe
T L Landsman, T Touchet, S M Hasan, C Smith, B Russell, J Rivera, D J Maitland, E Cosgriff-Hernandez
: Uncontrolled hemorrhage accounts for more than 30% of trauma deaths worldwide. Current hemostatic devices focus primarily on time to hemostasis, but prevention of bacterial infection is also critical for improving survival rates. In this study, we sought to improve on current devices used for hemorrhage control by combining the large volume-filling capabilities and rapid clotting of shape memory polymer (SMP) foams with the swelling capacity of hydrogels. In addition, a hydrogel composition was selected that readily complexes with elemental iodine to impart bactericidal properties to the device...
October 6, 2016: Acta Biomaterialia
Valentina Zilioli, Alessia Peli, Maria Beatrice Panarotto, Giancarlo Magri, Ahmed Alkraisheh, Christiane Wiefels, Carlo Rodella, Raffaele Giubbini
The purpose of this prospective study was to determine the incremental diagnostic value of single photon emission computed tomography/computed tomography with iodine-131 over planar whole body scan in the staging of patients with differentiated thyroid carcinoma. A total of 365 patients (270 female, 95 male) with differentiated thyroid carcinoma were treated with radioiodine therapy for thyroid remnant ablation with radical intent after thyroidectomy between January 2013 and November 2014. In addition to planar whole body scan, single photon emission computed tomography/computed tomography of neck and chest were performed...
September 29, 2016: Endocrine
Eun Jung Kim, Byoung Soo Kim, Dan Bee Choi, Sung-Gil Chi, Tae Hyun Choi
PURPOSE: Directly radioiodinated [(131)I]-rituximab has been developed as a radioimmunotherapeutic agent in patients with CD20-positive B cell non-Hodgkin's lymphoma. However, there are concerns over its in vivo catabolism and deiodination. A novel radioiodination linker, N-(4-isothiocyanatobenzyl)-2-(3-(tributylstannyl)phenyl) acetamide (IBPA), was synthesized for the preparation of stable radioiodinated proteins. METHODS: The authors evaluated the potential of IBPA as a stable radioiodinated linker for rituximab...
September 30, 2016: Cancer Biotherapy & Radiopharmaceuticals
Shun-Yu Gao, Xiao-Yan Zhang, Wei Wei, Xiao-Ting Li, Yan-Ling Li, Min Xu, Ying-Shi Sun, Xiao-Peng Zhang
This study proposed to determine whether in vivo iodine concentration measurement by single-source dual energy (SSDE) CT can improve differentiation between benign and malignant thyroid nodules. In total, 53 patients presenting with thyroid nodules underwent SSDE CT scanning. Iodine concentrations were measured for each nodule and normal thyroid tissue using the GSI-viewer image analysis software. A total of 26 thyroid nodules were malignant in 26 patients and confirmed by surgery; 33 nodules from 27 patients were benign, with 10 confirmed by surgery and others after follow-up...
September 2016: Medicine (Baltimore)
K Hellbach, A Sterzik, W Sommer, M Karpitschka, N Hummel, J Casuscelli, M Ingrisch, M Schlemmer, A Graser, Michael Staehler
OBJECTIVES: To evaluate the potential role of dual energy CT (DECT) to visualize antiangiogenic treatment effects in patients with metastatic renal cell cancer (mRCC) while treated with tyrosine-kinase inhibitors (TKI). METHODS: 26 patients with mRCC underwent baseline and follow-up single-phase abdominal contrast enhanced DECT scans. Scans were performed immediately before and 10 weeks after start of treatment with TKI. Virtual non-enhanced (VNE) and colour coded iodine images were generated...
September 27, 2016: European Radiology
Nunzia Brusca, Camilla Virili, Miriam Cellini, Silvia Capriello, Lucilla Gargano, Rita Salvatori, Marco Centanni, Maria Giulia Santaguida
OBJECTIVE: Autonomously functioning thyroid areas may be associated with subclinical or overt hyperthyroidism, but may exist even in the presence of normal TSH. This study was aimed at comparing the rate of autonomously functioning areas and their cardiac sequelae in patients with nodular goitre studied with the usual and a novel approach. DESIGN AND METHODS: A total of 490 adult outpatients with thyroid nodular goitre, living in a mild iodine-deficient area, were selected in our Referral Center for thyroid diseases from 2009 to 2014 on the basis of a suspicion of thyroid functional autonomy...
September 19, 2016: European Journal of Endocrinology
Gurmit Gill, Hammad Bajwa, Peter Strouhal, Harit N Buch
BACKGROUND: Interferon alpha is a widely used therapeutic agent in the treatment of hepatitis C virus infection. Clinical thyroid disease is seen in nearly 15 % of patients receiving interferon alpha for hepatitis C virus infection. The mechanism of thyroid dysfunction with interferon alpha is either autoimmune or inflammatory. We report a case of young woman who developed biphasic thyroid dysfunction posing a diagnostic challenge, while receiving interferon alpha treatment for hepatitis C virus infection...
2016: Journal of Medical Case Reports
Jens Altenbernd, Axel Wetter, Michael Forsting, Lale Umutlu
PURPOSE: The aim of this prospective study was to examine the diagnostic value of dual-energy CT (DECT) in the assessment of response of HCC after radioembolisation (RE). MATERIAL AND METHODS: 40 HCC patients with 82 measurable target lesions were included in this study. At baseline and follow-up examination target lesions were evaluated with (IU), AASLD and Choi measurement criteria. Disease control was defined as the sum of complete response (CR), partial response (PR), progression disease (PD) and stable disease (SD)...
2016: European Journal of Radiology Open
Hanxue Sun, Peiqing La, Ruixia Yang, Zhaoqi Zhu, Weidong Liang, Baoping Yang, An Li, Weiqiao Deng
Porous carbons as solid-state adsorbents have recently attracted considerable interest in the areas of storage and capture of CO2 as well as the adsorption of radioactive matters. In this work, cigarette butts, one kind of common wastes referring to the filters, were utilized to prepare highly porous carbons by KOH activation in argon atmosphere. The resulting porous carbon shows a high specific surface area of up to 2751m(2)g(-1) with abundant micropores. The resulting porous carbon exhibits excellent iodine uptake of 262wt% and high CO2 adsorption capacity of 6...
September 6, 2016: Journal of Hazardous Materials
W Xia, D Li, G Wang, J Ni, J Zhuang, M Ha, J Wang, Y Ye
Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide. Currently, the clinical strategies available for the treatment of HCC remain insufficient for the poor prognosis. Sodium/iodide symporter (NIS)-based radioiodine therapy is proposed as a promising therapeutic strategy for the treatment of HCC. However, it is difficult for HCC cells to trap iodine for the lower expression of NIS. Small activating RNA (saRNA) is a newly identified small double-stranded RNA (dsRNA) that can induce endogenous gene expression by targeting promoter sequences...
September 9, 2016: Cancer Gene Therapy
Renaud Ciappuccini, Nicolas Aide, David Blanchard, Jean-Pierre Rame, Dominique de Raucourt, Jean-Jacques Michels, Emmanuel Babin, Stéphane Bardet
OBJECTIVES: 18F-FDG-PET/CT is a useful tool used to evidence persistent/recurrent disease (PRD) in patients with differentiated thyroid cancer and iodine-refractory lesions. The aim of this study was to compare the diagnostic value at the cervical level of the routine whole-body (WB) acquisition and that of a complementary head and neck (HN) acquisition, performed successively during the same PET/CT study. METHODS: PET/CT studies combining WB and HN acquisitions performed in 85 consecutive patients were retrospectively reviewed by two nuclear medicine physicians...
2016: PloS One
Christian Happel, W Tilman Kranert, Benjamin Bockisch, Hüdayi Korkusuz, Frank Grünwald
: Germany has developed into a country with a nationwide largely sufficient iodine supply due to improved alimentary iodine supply. The reduction of iodine uptake in focal autonomies induced by reduced iodine avidity was evaluated by Gotthardt et al. 2006, showing a significant decline of pertechnetate uptake up to the year 2004. AIM: This study was intended to carry this investigation forward to the present day to analyze the course of a conjectural stabilization of iodine uptake values...
September 2, 2016: Nuklearmedizin. Nuclear Medicine
Lu Xu, Qiong Liu, Ying Liu, Hua Pang
BACKGROUND This study aimed to investigate the parameters influencing the effectiveness of first 131I thyroid remnant ablation and then 131I treatment of metastatic lesions in children and adolescents with differentiated thyroid carcinoma (DTC). MATERIAL AND METHODS A total of 88 children and adolescents with DTC were divided into 2 groups: 56 in the complete-ablation group and 32 in the incomplete-ablation group for the first 131I ablation; 32 in the incomplete-ablation group were further divided: 19 in the complete-remission group and 13 in the incomplete-remission group for subsequent 131I treatment of metastatic lesions...
2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Min Zhang, Shuo Shi, Rui Guo, Yin Miao, Biao Li
Although survival rates for cervical cancer have improved, they need further improvement in patients with distant metastases. The sodium iodine symporter (NIS) gene has often been used in cancer therapy and imaging. We examined the therapeutic effects of rhenium-188 (188Re) in a cervical cancer xenograft model expressing the NIS gene under the control of the tumor-specific human telomerase reverse transcriptase (hTERT) promoter. We constructed two recombinant lentiviral vectors expressing enhanced green fluorescent protein (eGFP) or the NIS gene driven by the hTERT promoter...
October 2016: Oncology Reports
Luciano E Rossich, Lisa Thomasz, Juan P Nicola, Magali Nazar, Leonardo A Salvarredi, Mario Pisarev, Ana M Masini-Repiso, Christiane Christophe-Hobertus, Daniel Christophe, Guillermo J Juvenal
Iodide has direct effects on thyroid function. Several iodinated lipids are biosynthesized by the thyroid and they were postulated as intermediaries in the action of iodide. Among them, 2-iodohexadecanal (2-IHDA) has been identified and proposed to play a role in thyroid autoregulation. The aim of this study was to compare the effect of iodide and 2-IHDA on thyroid cell physiology. For this purpose, FRTL-5 thyroid cells were incubated with the two compounds during 24 or 48 h and several thyroid parameters were evaluated such as: iodide uptake, intracellular calcium and H2O2 levels...
December 5, 2016: Molecular and Cellular Endocrinology
Piotr Szumowski, Małgorzata Mojsak, Saeid Abdelrazek, Monika Sykała, Anna Amelian-Fiłonowicz, Dorota Jurgilewicz, Janusz Myśliwiec
The therapeutic activity of (131)I administered to patients with Graves' disease can be calculated by means of Marinelli's formula. The thyroidal iodine uptake ((131)IUmax) needed for the calculation is usually determined with the use of (131)I. The purpose of the paper was to estimate (131)IUmax on the basis of technetium uptake in the thyroid at 20 min ((99m)TcU20min). Eighty patients suffering from Graves' disease were qualified for radioiodine therapy with measurement of fT4, fT3, thyroid-stimulating hormone and its receptor (TRAb)...
August 24, 2016: Endocrine
Gengyang Yuan, Graham B Jones, Neil Vasdev, Steven H Liang
To prompt the development of (18)F-labeled positron emission tomography (PET) tracers for the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor, we have prepared (18)F-labeled 2-(1-(3-fluorophenyl)-2-oxo-5-(pyrimidin-2-yl)-1,2-dihydropyridin-3-yl)benzonitrile ([(18)F]8). The radiosynthesis was achieved by a one-pot two-step method that utilized a spirocyclic hypervalent iodine(III) mediated radiofluorination to prepare the (18)F-labeled 1-bromo-3-fluorobenzene ([(18)F]15) intermediate with K(18)F...
October 1, 2016: Bioorganic & Medicinal Chemistry Letters
Andrew Paul Demidowich, Amartya Kundu, James C Reynolds, Francesco S Celi
A 42-year-old female with immunoglobulin A deficiency and recurrent sinopulmonary infections underwent thyroidectomy for papillary thyroid cancer (PTC). Follow-up (123)I scintigraphy demonstrated diffuse pulmonary uptake, suggesting metastatic disease. However, subsequent pathologic, biochemical and radiographic testing proved that she was in fact disease free, and the initial (123)I pulmonary uptake was identified as a false positive. Inflammatory conditions may rarely cause iodine uptake in non-thyroidal tissues due to local retention, organification, and/or immunologic utilization...
September 2016: Nuclear Medicine and Molecular Imaging
Meng Gao, Dongjian Zhang, Qiaomei Jin, Cuihua Jiang, Cong Wang, Jindian Li, Fei Peng, Dejian Huang, Jian Zhang, Shaoli Song
Nanomedicine holds great promise for fighting against malignant tumors. However, tumor elevated interstitial fluid pressure (IFP) seriously hinders convective transvascular and interstitial transport of nanomedicines and thus damages its antitumor efficacy. In this study, combretastatin-A4 phosphate (CA4P) was utilized to reduce tumor IFP, and thereby to improve the intratumoral distribution and antitumor efficacy of nanoparticle albumin-bound paclitaxel (nab-paclitaxel). IFP was measured using the wick-in-needle method in tumors growing subcutaneously pretreatment and posttreatment with a single intravenous injection of CA4P...
August 12, 2016: Oncotarget
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