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Iodine deficiency

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https://www.readbyqxmd.com/read/28420409/assessing-the-status-of-iodine-deficiency-disorder-idd-and-associated-factors-in-wolaita-and-dawro-zones-school-adolescents-southern-ethiopia
#1
Shimelash Bitew Workie, Yemane Gebremariam Abebe, Amha Admasie Gelaye, Tefera Chane Mekonen
BACKGROUND: Iodine deficiency is the major preventable cause of irreversible mental retardation in the world. Ethiopia is a country with high prevalence of iodine deficiency disorders which continue to affect a large number of the country's population. The aim of the study was to assess the prevalence of iodine deficiency disorder in Wolaita and Dawuro zones. METHODS: A descriptive, cross-sectional study was conducted in high school and preparatory students in Wolaita and Dawuro zones between April and May 2012...
April 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28388674/variation-in-the-mineral-element-concentration-of-moringa-oleifera-lam-and-m-stenopetala-bak-f-cuf-role-in-human-nutrition
#2
Diriba B Kumssa, Edward Jm Joy, Scott D Young, David W Odee, E Louise Ander, Martin R Broadley
BACKGROUND: Moringa oleifera (MO) and M. stenopetala (MS) (family Moringaceae; order Brassicales) are multipurpose tree/shrub species. They thrive under marginal environmental conditions and produce nutritious edible parts. The aim of this study was to determine the mineral composition of different parts of MO and MS growing in their natural environments and their potential role in alleviating human mineral micronutrient deficiencies (MND) in sub-Saharan Africa. METHODS: Edible parts of MO (n = 146) and MS (n = 50), co-occurring cereals/vegetables and soils (n = 95) underneath their canopy were sampled from localities in southern Ethiopia and Kenya...
2017: PloS One
https://www.readbyqxmd.com/read/28385121/use-of-bouillon-cubes-is-a-major-source-of-alleviating-iodine-deficiency-in-haiti
#3
Julia von Oettingen, Xuemei He, Eddy Jean-Baptiste, Ketly Altenor, Alan P Farwell, Lewis E Braverman
No abstract needed. Letter to editor.
April 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28379180/eliminating-iodine-deficiency-in-china-achievements-challenges-and-global-implications
#4
Dianjun Sun, Karen Codling, Suying Chang, Shubin Zhang, Hongmei Shen, Xiaohui Su, Zupei Chen, Robert W Scherpbier, Jun Yan
The prevention of iodine deficiency through salt iodization has been recognized as a global success story, and China stands at the forefront of this achievement with one of the most successful programs in the world. High level political commitment, national mandatory legislation, a state-managed edible salt industry and a complex and highly sophisticated surveillance system have facilitated the success of the program. Challenges have arisen however, including: (i) concern that adequate iodine status in pregnant women cannot be achieved without causing above adequate iodine intakes in children; (ii) declining iodine intake as a result of reductions in salt consumption and increased consumption of processed foods, which may not be made with iodized salt; (iii) the existence of areas with high iodine content in the water; and (iv) declines in household use of iodized salt due to concerns about excess iodine intake and thyroid disease...
April 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28374314/leveraging-electron-transfer-dissociation-for-site-selective-radical-generation-applications-for-peptide-epimer-analysis
#5
Yana A Lyon, Gregory Beran, Ryan R Julian
Traditional electron-transfer dissociation (ETD) experiments operate through a complex combination of hydrogen abundant and hydrogen deficient fragmentation pathways, yielding c and z ions, side-chain losses, and disulfide bond scission. Herein, a novel dissociation pathway is reported, yielding homolytic cleavage of carbon-iodine bonds via electronic excitation. This observation is very similar to photodissociation experiments where homolytic cleavage of carbon-iodine bonds has been utilized previously, but ETD activation can be performed without addition of a laser to the mass spectrometer...
April 3, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28373861/environmental-issues-in-thyroid-diseases
#6
REVIEW
Silvia Martina Ferrari, Poupak Fallahi, Alessandro Antonelli, Salvatore Benvenga
Environmental factors are determinant for the appearance of autoimmune thyroid diseases (AITD) in susceptible subjects. Increased iodine intake, selenium, and vitamin D deficiency, exposure to radiation, from nuclear fallout or due to medical radiation, are environmental factors increasing AITD. Cigarette smoking is associated with Graves' disease and Graves' ophthalmopathy, while it decreases the risk of hypothyroidism and thyroid autoimmunity. Viral infections are important environmental factors in the pathogenesis of AITD, too, particularly human parvovirus B19 (EVB19) and hepatitis C virus...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28367759/role-of-the-iodine-global-network-in-elimination-of-iodine-deficiency
#7
John H Lazarus
Background Iodine deficiency (ID) is a major cause of brain damage if not corrected in early pregnancy. Even mild ID leads to measurable neurointellectual impairment. The iodine global network (IGN), previously the international council for the control of iodine deficiency disorders (ICCIDD), has achieved remarkable progress in facilitating iodine nutritional sufficiency in about 70-80% of countries in the world during the past 3 decades or so. Results At present there are 25 countries with documented iodine deficiency...
March 30, 2017: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/28362285/testing-the-tools-for-revealing-and-characterizing-the-iodine-iodine-halogen-bond-in-crystals
#8
Ekaterina Bartashevich, Irina Yushina, Kristina Kropotina, Svetlana Muhitdinova, Vladimir Tsirelson
To understand what tools are really suitable to identify and classify the iodine-iodine non-covalent interactions in solid organic polyiodides, we have examined the anisotropy of the electron density within the iodine atomic basin along and across the iodine-iodine halogen bond using the Laplacian of electron density, one-electron potential and electron localization function produced by Kohn-Sham calculations with periodic boundary conditions. The Laplacian of electron density exhibits the smallest anisotropy and yields a vague picture of the outermost electronic shells...
April 1, 2017: Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
https://www.readbyqxmd.com/read/28358234/iodine-storage-and-metabolism-of-mild-to-moderate-iodine-deficient-pregnant-rats
#9
Xin Sun, Li Lu, Ling Shan, Zhongyan Shan, Weiping Teng
BACKGROUND: Severe iodine deficiency during pregnancy results in neurodevelopmental disorders in children, while the consequences of mild to moderate iodine deficiency (MMID) are uncertain. The concentration of iodine in thyroid is the most accurate indicator of iodine nutrition. This paper is aimed to investigate that whether the iodine storage in thyroid is enough for mother and fetus during iodine sufficient and MMID conditions by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)...
March 30, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28348999/goiter-prevalence-in-school-going-children-a-cross-sectional-study-in-two-border-districts-of-sub-himalayan-jammu-and-kashmir
#10
Rajiv Kumar Gupta, Bhavna Langer, Sunil Kumar Raina, Rashmi Kumari, Reyaz Jan, Renu Rani
INTRODUCTION: Iodine deficiency disorder remains one of the major public health problems, despite it being easily preventable. Initially thought as the disorder of Himalayan goiter belt, the disorder has been found to have a pan-India presence. The study was planned with the aim to assess the prevalence of goiter among 6-12 years school-going children and to identify levels of iodine in salt consumed at the household level in the study area. MATERIALS AND METHODS: The study was conducted among 3955 school-going (2162 children from Rajouri and 1793 children from Poonch) children age 6-12 years in Rajouri and Poonch districts of Jammu Province...
October 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28333271/impact-of-thyroid-autoimmunity-in-euthyroid-women-on-live-birth-rate-after-iui
#11
D Unuane, B Velkeniers, B Bravenboer, P Drakopoulos, H Tournaye, J Parra, M De Brucker
STUDY QUESTION: Does thyroid autoimmunity (TAI) predict live birth rate in euthyroid women after one treatment cycle in IUI patients? SUMMARY ANSWER: TAI as such does not influence pregnancy outcome after IUI treatment. WHAT IS KNOWN ALREADY: The role of TAI on pregnancy outcome in the case of IVF/ICSI is largely debated in the literature. This is the first study to address this issue in the case of IUI. STUDY DESIGN, SIZE, DURATION: This was a retrospective cohort study...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28332879/iodine-content-of-enteral-and-parenteral-nutrition-solutions
#12
Devina L Willard, Lorraine S Young, Xuemei He, Lewis E Braverman, Elizabeth N Pearce
BACKGROUND: Iodine is essential for thyroid hormone synthesis, and iodine deficiency may result in thyroid disorders including goiter and hypothyroidism. Patients on long-term enteral nutrition (EN) or parenteral nutrition (PN) may be at risk for micronutrient deficiencies. The recommended daily allowance for iodine intake is 150 μg for nonpregnant adults. However, there is no current consensus among scientific societies regarding the quantity of iodine to be added in adult EN and PN formulations...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28331628/association-of-iodized-salt-with-goiter-prevalence-in-chinese-populations-a-continuity-analysis-over-time
#13
Zhen Liang, Chen Xu, Yong-Jun Luo
BACKGROUND: Iodine deficiency disorders (IDD) refer to diseases that are caused by insufficient iodine intake, and the best strategy to prevent IDD is the addition of iodine to dietary salt. Because iodine deficiency is a common cause of goiter, the prevalence as effectively controlled after the implementation of universal salt iodization (USI) in China. However, there is substantial controversy as to whether the incidence of thyroid disorders is related to iodized salt intake. Therefore, we aimed to clarify whether the risk of goiter can be promoted by USI...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28328929/urinary-iodine-concentration-uic-could-be-a-promising-biomarker-for-predicting-goiter-among-school-age-children-a-systematic-review-and-meta-analysis
#14
Linlin Xiu, Gansheng Zhong, Xueman Ma
OBJECTIVES: To evaluate whether urinary iodine concentration (UIC) can predict goiter among school-age children, and to assess the association between UIC and goiter prevalence. METHODS: We searched the MEDLINE, EMBASE, Cochrane Library (Cochrane Database of Systematic Reviews), Web of Science, CNKI, VIP, and Wan Fang databases for relevant reports in both English and Chinese up to August 25, 2016. The mean differences (MD) and 95% confidence intervals (CI) were calculated for the UIC and goiter prevalence assessments...
2017: PloS One
https://www.readbyqxmd.com/read/28324000/trh-action-is-impaired-in-pituitaries-of-male-igsf1-deficient-mice
#15
Marc-Olivier Turgeon, Tanya L Silander, Denica Doycheva, Xiao-Hui Liao, Marc Rigden, Luisina Ongaro, Xiang Zhou, Sjoerd D Joustra, Jan M Wit, Mike G Wade, Heike Heuer, Samuel Refetoff, Daniel J Bernard
Loss-of-function mutations in the X-linked immunoglobulin superfamily, member 1 (IGSF1) gene cause central hypothyroidism. IGSF1 is a transmembrane glycoprotein of unknown function expressed in thyrotropin (TSH)-producing thyrotrope cells of the anterior pituitary gland. The protein is cotranslationally cleaved, with only its C-terminal domain (CTD) being trafficked to the plasma membrane. Most intragenic IGSF1 mutations in humans map to the CTD. In this study, we used CRISPR-Cas9 to introduce a loss-of-function mutation into the IGSF1-CTD in mice...
April 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28322679/iodine-deficiency-clinical-implications
#16
REVIEW
Soamsiri Niwattisaiwong, Kenneth D Burman, Melissa Li-Ng
Iodine is crucial for thyroid hormone synthesis and fetal neurodevelopment. Major dietary sources of iodine in the United States are dairy products and iodized salt. Potential consequences of iodine deficiency are goiter, hypothyroidism, cretinism, and impaired cognitive development. Although iodine status in the United States is considered sufficient at the population level, intake varies widely across the population, and the percentage of women of childbearing age with iodine deficiency is increasing. Physicians should be aware of the risks of iodine deficiency and the indications for iodine supplementation, especially in women who are pregnant or lactating...
March 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28315909/a-concise-review-of-hashimoto-thyroiditis-ht-and-the-importance-of-iodine-selenium-vitamin-d-and-gluten-on-the-autoimmunity-and-dietary-management-of-ht-patients-points-that-need-more-investigation
#17
REVIEW
Michael I Liontiris, Elias E Mazokopakis
Hashimoto's thyroiditis (HT) is a chronic autoimmune thyroid disease caused by an interaction between genetic factors and environmental conditions, both of which are yet to be fully understood. The management of HT depends on its clinical manifestations, commonly including diffuse or nodular goiter with euthyroidism, subclinical hypothyroidism and permanent hypothyroidism. However, in most cases of patients with HT, lifelong levothyroxine substitution is required. The additional role of diet for the management of HT is usually overlooked...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28294052/iodine-deficiency-and-iodine-prophylaxis-in-pregnancy
#18
Małgorzata Trofimiuk-Müdlner, Alicja Hubalewska-Dydejczyk
BACKGROUND: Physiological changes in pregnancy result in increased iodine demand, which may not be met in areas of mild-to-moderate iodine deficiency or borderline sufficiency. As a pregnant woman is the only source of thyroid hormones for her child during early gestation, iodine deficiency-induced hypothyroxinemia may have deleterious effects on fetal development. OBJECTIVE: To present the current approach to iodine deficiency and its prophylaxis during pregnancy...
March 9, 2017: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/28292346/surveys-in-areas-of-high-risk-of-iodine-deficiency-and-iodine-excess-in-china-2012-2014-current-status-and-examination-of-the-relationship-between-urinary-iodine-concentration-and-goiter-prevalence-in-children-aged-8-10-years
#19
Si Lu Cui, Peng Liu, Xiao Hui Su, Shou Jun Liu
OBJECTIVE: We aimed to evaluate goiter prevalence and iodine nutritional status in areas with high levels of water iodine; to monitor the prevalence of iodine deficiency disorders (IDD) in areas at high risk of IDD; and to compare the prevalence of goiter and urine iodine (UI) concentrations between children living in the two areas. METHODS: Based on surveillance from 2012-2014, we analyzed the concentration of UI and prevalence of goiter in 8-10-year-old children from 12 high-risk IDD provinces, and from 8 provinces and municipalities with excessive water iodine...
February 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28290237/multiple-nutritional-factors-and-the-risk-of-hashimoto-s-thyroiditis
#20
Shiqian Hu, Margaret P Rayman
BACKGROUND: Hashimoto's thyroiditis (HT) is considered to be the most common autoimmune disease. It is currently accepted that genetic susceptibility, environmental factors, and immune disorders contribute to its development. With regard to nutritional factors, evidence implicates high iodine intake and deficiencies of selenium and iron with a potential relevance of vitamin D status. To elucidate the role of nutritional factors in the risk, pathogenesis, and treatment of HT, PubMed and the Cochrane Library were searched for publications on iodine, iron, selenium, and vitamin D and risk/treatment of HT...
April 6, 2017: Thyroid: Official Journal of the American Thyroid Association
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