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Hypothyroid diet

Gisah Amaral Carvalho, Gilberto Paz-Filho, Cleo Otaviano Mesa Junior, Hans Graf
Hypothyroidism is one of the most common hormone deficiencies in adults. Most of the cases, particularly those of overt hypothyroidism, are easily diagnosed and managed, with excellent outcomes if treated adequately. However, minor alterations of thyroid function determine nonspecific manifestations. Primary hypothyroidism due to chronic autoimmune thyroiditis is largely the most common cause of thyroid hormone deficiency. Central hypothyroidism is a rare and heterogeneous disorder characterized by decreased thyroid hormone secretion by an otherwise normal thyroid gland, due to lack of TSH...
February 28, 2018: European Journal of Endocrinology
Paweł Paśko, Krzysztof Okoń, Mirosław Krośniak, Ewelina Prochownik, Paweł Żmudzki, Jadwiga Kryczyk-Kozioł, Paweł Zagrodzki
Rutabaga sprouts belong to the Brassicaceae family and may exert a negative influence on thyroid function, because they are a rich in glucosinolates. These sprouts are also valuable source of iodine (6.5 ± 0.6 μg/100 g of fresh weight). Sprouts were tested in a long-term experiment with young male rats as an element of their diet, combined with two models of hypothyroidism, the first - deficit of iodine and the second - sulfadimethoxine ingestion as a pharmacological agent caused inhibition of thyroid peroxidase...
March 2018: Journal of Trace Elements in Medicine and Biology
Vijayetha P Patil, Alagilwada S Shilpasree, Vidya S Patil, Kangokar R Pravinchandra, Deepti G Ingleshwar, Axita C Vani
INTRODUCTION: Patients with subclinical hypothyroidism (SCH) have a few or no symptoms or signs of thyroid dysfunction and thus by its very nature, SCH is a laboratory diagnosis. Serum creatinine is elevated and glomerular filtration rate (GFR) values are reversibly reduced in overt hypothyroid patients. We hypothesize that SCH also may be associated with low GFR. AIMS AND OBJECTIVES: The objective of this study was (1) to know the effect of SCH on kidney function, (2) to find the correlation between the renal function parameter creatinine, estimated GFR (eGFR), and thyroid-stimulating hormone (TSH), and (3) to know if creatinine values can be predicted by TSH values in SCH cases...
January 2018: Journal of Laboratory Physicians
Yasmin Lopez, Carlos Franco, Alberto Cepeda, Beatriz Vázquez
Currently, hypothyroidism is usually treated only with drugs; patients are never told that they could regulate their levels of iodine with dietary recommendations in a complementary way. The objective of this work was to explore the effect of a constant iodine intake through the diet in a postmenopausal woman with subclinical grade II hypothyroidism, who also had mild hypercholesterolemia and obesity. Baseline anthropometric nutritional, pharmacological, and habit data were obtained, then the woman was scheduled for 1 month a diet in which she was provided food naturally containing iodine, so that the recommended requirements (iodine 150 μg/day) were met...
January 26, 2018: Journal of Physiology and Biochemistry
Fredrik Norström, Maria van der Pals, Anna Myléus, Solveig Hammarroth, Lotta Högberg, Anders Isaksson, Anneli Ivarsson, Annelie Carlsson
OBJECTIVES: Celiac disease (CD) is associated with thyroid autoimmunity and other autoimmune diseases. However, data are lacking regarding the relationship between thyroid autoimmunity and thyroid function, especially in regard to CD. Our aim was to investigate the impact of thyroid autoimmunity on thyroid function in 12-year-old children with CD compared to their healthy peers. METHODS: A case-referent study was conducted as part of a CD screening of 12-year-olds...
January 25, 2018: Journal of Pediatric Gastroenterology and Nutrition
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
Yun-Jin Lee, Sang Ook Nam, Kyung-Min Kim, Young Mi Kim, Gyu Min Yeon
Background and Purpose: The aim of this study is to evaluate the prevalence of hypothyroidism and the change of thyroid hormone level in the children with epilepsy on a ketogenic diet (KD). Methods: The levels of serum free thyroxine (fT4) and thyroid-stimulation hormone (TSH) were measured at the start of the KD and at 6- to 12-month intervals in children with intractable epilepsy. Hypothyroidism was defined as fT4 level < 0.8 ng/dL and TSH level > 6.0 μIU/mL...
December 2017: Journal of Epilepsy Research
John W Blackett, Meghana Shamsunder, Norelle R Reilly, Peter H R Green, Benjamin Lebwohl
OBJECTIVES: Despite the increasing popularity of gluten-free diet (GFD), the demographic characteristics and medical features of patients without celiac disease on this diet have not been extensively investigated.We aimed to characterize the medical conditions and demographic backgrounds of hospitalized patients without celiac disease who adhere to a GFD, to further understand their reasons for gluten avoidance. MATERIALS AND METHODS: We performed an observational cohort study on all inpatients at Columbia University Medical Center on a GFD in 2011-2016, excluding those with celiac disease, compared with age-matched and sex-matched inpatients on a regular diet...
January 8, 2018: European Journal of Gastroenterology & Hepatology
Olga Yeliosof, Lawrence A Silverman
BACKGROUND: Iodine deficiency is the most common cause of acquired hypothyroidism worldwide. Although uncommon in the Western world, the incidence of iodine deficiency may be rising due to the increased use of restrictive diets. CASE PRESENTATION: We present a 23-month-old boy diagnosed with iodine deficiency hypothyroidism, induced by a vegan diet. CONCLUSIONS: This case highlights the risk for iodine deficiency in children on a vegan diet after discontinuation of breast/formula feeding that could lead to acquired hypothyroidism...
January 26, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
Antonio Piga
Conventional treatment of thalassemia, namely regular blood transfusion and iron chelation, improves perspectives and quality of life; however, successful treatment leads to more time in which long-term complications such as bone disease can develop. Thalassemia bone disease (TBD) is unique: all aspects, from bone anatomy and bone quality to mineral density, may be affected, with important morbidity including osteoporosis, fractures, spinal deformities, nerve compression, and pain. Clinical presentations include growth impairment, rickets-like features, back pain, spinal deformities, any sign of nerve compression, severe osteoporosis, and fragility fractures...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
Swarnalatha Banavara Nagaraj, Neena Roy, Mahesh Manjunath Gouda, Rajeish Moger, Asha Abraham
Given the association between subclinical hypothyroidism and metabolic syndrome (MetS), we wanted to explore if high fat simple carbohydrate (HFSC) diet affect hypothalamus-pituitary-thyroid axis. One month old male C57BL/6J mice were fed with Control (C) and HFSC (T) feed (n=18 each) respectively for 5 months. T3 showed a significant increase in T(13.5%) compared to age matched C by 5th month.TSH was significantly high (1mo:1.9fold; 3mo:2.66 fold; 5mo:3.5fold) from 1stmonth to 5thmonth in T compared to age matched C...
November 3, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Paweł Paśko, Mirosław Krośniak, Ewelina Prochownik, Małgorzata Tyszka-Czochara, Maria Fołta, Renata Francik, Jakub Sikora, Mateusz Malinowski, Paweł Zagrodzki
Broccoli sprouts may exert a negative influence on thyroid function as they are a rich source of glucosinolates, in particular glucoraphanin. Under the study in a long-term experiment broccoli sprouts were tested as an element of rats diet, combined with deficient iodine, or sulfadimethoxine ingestion - two models of hypothyroidism. Evaluations were performed for serum TSH and thyroid hormones completed with analyzes of selected haematological, biochemical and immunological (IL-6, IL-10) parameters, as well as cytosolic glutathione peroxidase (GPX1), thioredoxin reductase (TR) in the thyroid, and plasma glutathione peroxidase (GPX3)...
October 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Anna Kowalczyk, Magdalena Zegan, Ewa Michota-Katulska
Thyroid diseases belong to the most common disorders of the ductless glands. Particular attention is paid to the growing morbidity of autoimmune affliction of the thyroid gland, including Hashimoto's thyroiditis. The main method of treatment is an oral substitution of thyroid hormones. However, the literature pays particular attention to supporting therapy with a diet rich in components essential for the proper functioning of this organ.
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Viridiana Alcántara-Alonso, Elena Alvarez-Salas, Gilberto Matamoros-Trejo, Patricia de Gortari
Individuals who consume a diet deficient in zinc (Zn-deficient) develop alterations in hypothalamic-pituitary-thyroid axis function, i.e., a low metabolic rate and cold insensitivity. Although those disturbances are related to primary hypothyroidism, intrauterine or postnatal Zn-deficient adults have an increased thyrotropin (TSH) concentration, but unchanged thyroid hormone (TH) levels and decreased body weight. This does not support the view that the hypothyroidism develops due to a low Zn intake. In addition, intrauterine or postnatal Zn-deficiency in weaned and adult rats reduces the activity of pyroglutamyl aminopeptidase II (PPII) in the medial-basal hypothalamus (MBH)...
October 18, 2017: Nutrients
Narjis Naz, Shakera Khatoon Rizvi, Zubi Sadiq
This case study is conducted to investigate the thyroid hormone levels and relevant disorders including evaluation of dietary conditions in the rural area of Gujranwala and its surrounding districts. Thyroid disorders are clinically prevalent and their manifestation differs considerably with geographical variations. A randomized study of 177 subjects was carried out, with a questionnaire about their dietary habits/life style and acquisition of blood samples for thyroid hormone level assessment using radioimmunoassay technique...
July 2017: Pakistan Journal of Pharmaceutical Sciences
Jong Yeon Kang, Mikyung Kim, Yuna Kang, Wonmok Lee, Tae Kyung Ha, Ji Hae Seo, Young Gil Son, Eunyoung Ha
Thyroid hormones (THs) as a therapeutic intervention to treat obesity has been tried but the effect of THs on body weight and the mechanistic details of which are far from clear. This study was designed to determine and elucidate the mechanistic details of metabolic action of THs in high-fat diet (HFD) fed Sprague Dawley (SD) rats. Rats were made surgically hypothyroid (thyroidectomy, Thx). Body weights and food and water intake profoundly decreased in HFD fed thyroidectomized group (HN Thx). Results showed that delayed insulin response, increased total cholesterol, high-density lipoprotein, and low-density lipoprotein in HN Thx...
November 4, 2017: Biochemical and Biophysical Research Communications
Giuseppe Ferrandino, Rachel R Kaspari, Andrea Reyna-Neyra, Nabil E Boutagy, Albert J Sinusas, Nancy Carrasco
The sodium/iodide symporter (NIS) mediates active iodide (I(-)) accumulation in the thyroid, the first step in thyroid hormone (TH) biosynthesis. Mutations in the SLC5A5 gene encoding NIS that result in a non-functional protein lead to congenital hypothyroidism due to I(-) transport defect (ITD). ITD is a rare autosomal disorder that, if not treated promptly in infancy, can cause mental retardation, as the TH decrease results in improper development of the nervous system. However, in some patients, hypothyroidism has been ameliorated by unusually large amounts of dietary I(-)...
July 13, 2017: Scientific Reports
José María Moreno-Navarrete, María Moreno, Francisco Ortega, Gemma Xifra, Shangyu Hong, John M Asara, José C E Serrano, Mariona Jové, Pavlos Pissios, Matthias Blüher, Wifredo Ricart, Manuel Portero-Otin, José Manuel Fernández-Real
Subclinical hypothyroidism is known to be associated with increased serum cholesterol. Since thyroid-stimulating hormone (TSH) exerts an inductor effect on cholesterol biosynthesis, we aimed to investigate the relationship between TSH mRNA and cholesterol metabolism in human adipose tissue (AT). Cross-sectionally, AT TSH-β (TSHB) mRNA was evaluated in 4 independent cohorts in association with serum total and LDL cholesterol, and AT lipidomics. Longitudinally, the effects of statins and of diet and exercise on AT TSHB mRNA were also examined...
October 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
S Pearson, C Donnellan, L Turner, E Noble, K Seejore, R D Murray
We present the case of a thirty-year-old female patient who was referred to the endocrinology team with an enlarging goitre and biochemical hypothyroidism. She had been dependent on total parenteral nutrition for the previous six years as a result of intestinal failure thought to be caused by possible underlying mitochondrial disease. The patient also suffers from a Desmin myopathy, and at present, the exact aetiology behind her intestinal failure is not certain. The goitre was smooth and had been enlarging slowly over the previous few months...
2017: Endocrinology, Diabetes & Metabolism Case Reports
Akram Ahangarpour, Soheila Alboghobeish, Ali Akbar Oroojan, Leila Zeidooni, Azin Samimi, Golshan Afshari
The thyroid is one of the major endocrine glands that contribute to body and fat metabolism. The present study evaluated the effects of combined exposure to chronic high-fat diet (HFD) and arsenic on thyroid function and lipid profile. In this experimental study, 72 male Naval Medical Research Institute mice were divided into six groups and fed HFD or low-fat diet (LFD) while being exposed to 25 or 50 ppm of arsenic in drinking water for 20 weeks. After 24 h of the last experimental day, blood samples were collected for hormonal and biochemical measurements...
June 8, 2017: Biological Trace Element Research
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