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JOURNAL ARTICLE
María S Landa, Mariano L Schuman, Maia Aisicovich, Ludmila S Peres Diaz, Mariela M Gironacci, Silvia I García, Carlos J Pirola
UNLABELLED: Central TRH, a neuropeptide, is involved in cardiovascular regulation. We demonstrated that the overexpression of diencephalic TRH (dTRH) in SHR rats can be prevented by antisense treatment, normalizing blood pressure (BP). Valproate (VPA) is an inhibitor of histone deacetylases (HDAC) which modulates gene expression through epigenetic modifications such as DNA methylation. AIMS: Study the role of HDAC inhibition in the regulation of dTRH gene expression and its effect on the pathogenesis of hypertension...
April 17, 2024: Molecular and Cellular Biochemistry
#2
JOURNAL ARTICLE
Anne Myrup Houmøller, Katrine Gerlif, Nanna Maria Uldall Torp, Stine Linding Andersen
Different diagnoses of thyroid disease are available in the 10th International Classification of Diseases (ICD-10), but the validity of diagnoses related to obstetric and postpartum thyroid disease is unknown. This was a retrospective cohort study of all patients in the North Denmark Region with a diagnosis of postpartum thyroiditis (PPT) (ICD-10: O905) from 2016 to 2019 or obstetric thyroid disease in 2019 (ICD-10: O992B (hypothyroidism) or O992C (hyperthyroidism)) registered in the Danish National Hospital Register...
April 16, 2024: Scientific Reports
#3
JOURNAL ARTICLE
Christina Tatsi, Georgia Pitsava, Fabio R Faucz, Meg Keil, Constantine A Stratakis
CONTEXT: Carney complex (CNC) is a familial neoplasia syndrome associated with growth hormone (GH) excess (GHE). OBJECTIVE: To describe the frequency of GHE in a large cohort of patients with CNC, and to identify genotype-phenotype correlations. METHODS: Patients with CNC with at least one biochemical evaluation of GH secretion at our center from 1995-2021 (n=140) were included in the study. Diagnosis of GHE was based on levels of insulin-like growth factor-1 (IGF-1), GH suppression during oral glucose tolerance test (OGTT), GH stimulation after thyrotropin (TRH) administration and overnight GH secretion...
April 13, 2024: Journal of Clinical Endocrinology and Metabolism
#4
JOURNAL ARTICLE
Victoria Persky, Chibuzor Abasilim, Konstantina Tsintsifas, Tessa Day, Robert M Sargis, Martha Daviglus, Jianwen Cai, Sally Freels, Robert Kaplan, Carmen R Isasi, Amber Pirzada, Michelle L Meyer, Gregory A Talavera, Bharat Thyagarajan, Shivani Agarwal, Noel Chavez, Arielle Grieco, Mary E Turyk
CONTEXT: Previous studies have demonstrated associations of endogenous thyroid hormones with diabetes; less is known about stages of diabetes development at which they are operative, mechanisms of associations, and the role of the hypothalamic-pituitary-thyroid axis. OBJECTIVE: This study examined associations of thyroid hormones with incident prediabetes and diabetes and with changes in glycemic traits in the Hispanic Community Health Study/Study of Latinos (HCHS/SOL), the largest cohort of Hispanic/Latino adults with diverse backgrounds in the United States...
April 6, 2024: Journal of the Endocrine Society
#5
JOURNAL ARTICLE
Ebtihal C Abbas, Mais M Salim, Ahmed C Abbas, Ahmed Z Alwaeli
The study intended to determine the correlation among coronavirus disease 2019 (COVID-19) infection and variable abnormalities in liver function test, lipids, and thyroid hormones. The study included 160 infected COVID-19 patients (80 females and 80 male) and 100 subjects as a control group (50 females and 50 males), attended the Al-Sader Medical City in Al-Najaf, Iraq during the period between January 2021 to October 2021. The patients' age ranged from 16-80 years old. Liver enzymes, lipid profile and thyroid hormone were tested...
April 2024: Egyptian Journal of Immunology
#6
JOURNAL ARTICLE
Yang Wu, Yan-Ling Deng, Min Zhang, Yu Miao, Fei-Peng Cui, Jia-Yue Zeng, Xiao-Ying Liu, Cheng-Ru Li, A-Xue Liu, Jin-Qin Zhu, Yang-Juan Li, Chong Liu, Qiang Zeng
BACKGROUND: Disinfection byproducts (DBPs) have been shown to impair thyroid function in experimental models. However, epidemiological evidence is scarce. METHODS: This study included 1190 women undergoing assisted reproductive technology (ART) treatment from the Tongji Reproductive and Environmental (TREE) cohort from December 2018 to August 2021. Serum thyrotropin (TSH), free triiodothyronine (FT3), and free thyroxine (FT4) were measured as indicators of thyroid function...
April 11, 2024: Science of the Total Environment
#7
JOURNAL ARTICLE
Yi Ruan, Xian-Pei Heng, Liu-Qing Yang, Wei-Dong He, Liang Li, Zhi-Ta Wang, Su-Ping Huang, Qi-Wei Chen, Zhuang Han
BACKGROUND: There is no doubt that both Hashimoto thyroiditis and Graves' disease are autoimmune thyroid diseases (AITDs), but the relationship between anti-nuclear antibody (ANA) and AITDs is poorly studied. The association between thyroid autoantibody levels and ANA positivity was evaluated to assess the role of ANA in AITDs. METHODS: We conducted an analysis using data from 1,149,893 patients registered at our hospital and 53,021 patients registered in the National Health and Nutrition Examination Survey databases...
2024: Frontiers in Endocrinology
#8
JOURNAL ARTICLE
Álvaro Monterrosa-Castro, Angelica Monterrosa-Blanco, Sandra Sánchez-Zarza
OBJECTIVE: To evaluate the association between subclinical hypothyroidism with early menopause, premature menopause, and last menstrual bleeding before the natural age of menopause. METHODS: This was a cross-sectional study conducted in 643 postmenopausal women aged 40-69 years. Groups were formed according to last menstrual episode: ≥45 [Natural age at menopause], 40-44 and [Early menopause], <40 [Premature menopause], and <45 [last menstrual episode before the natural age of menopause]...
December 2024: Gynecological Endocrinology
#9
JOURNAL ARTICLE
Yuki Matsumoto, Natsuno Kowata, Sakae Kikuyama, Reiko Okada
Bullfrog ( Rana catesbeiana ) larvae inhabiting the main island of Japan overwinter as preclimax animals, whereas the larvae that reached climax in summer complete metamorphosis. We analyzed the mRNA expression levels of the adenohypophyseal hormones, hypothalamic hormones, and their receptors that are involved in controlling metamorphosis in tadpoles at various developmental stages available in summer and winter in order to understand the hormonal mechanism regulating metamorphosis progression. Corticotropin-releasing factor (CRF) and thyrotropin β-subunit (TSHβ) mRNA expression was enhanced as they reached the climax stage in metamorphosing summer tadpoles, although type 2 CRF receptor (CRFR2) mRNA levels demonstrated a tendency of elevation, indicating the activation of the hypothalamo-hypophyseal axis for stimulating the release of thyroid hormone in summer...
February 2024: Zoological Science
#10
JOURNAL ARTICLE
Ignatius U Ezeani, Stanley U Ogbonna
BACKGROUND: Studies from different parts of the world on thyroid dysfunction have shown it to be widespread in patients with type 2 diabetes mellitus (T2DM); however, there is insufficient local data to support this observation. AIM: To determine the burden of thyroid dysfunction among patients with T2DM at a Tertiary Hospital in Southeast Nigeria with emphasis on its prevalence and pattern of presentation. METHODS: Four hundred and seventy-two subjects were recruited for the study...
February 29, 2024: West African Journal of Medicine
#11
JOURNAL ARTICLE
Jung-Chi Hsu, Kang-Chih Fan, Ting-Chuan Wang, Shu-Lin Chuang, Ying-Ting Chao, Ting-Tse Lin, Kuan-Chih Huang, Lian-Yu Lin, Lung-Chun Lin
BACKGROUND: Individuals with hyperthyroidism are at an increased risk of atrial fibrillation (AF), but the association between autoantibodies and AF or cardiovascular mortality in individuals who have returned to normal thyroid function remains unclear. METHODS: The study utilized electronic medical records from National Taiwan University Hospital between 2000 and 2022. Each hyperthyroidism patient had at least one thyrotropin binding inhibiting immunoglobulin (TBII) measurement...
April 2, 2024: Endocrine Practice
#12
JOURNAL ARTICLE
Qi Song, Zhouyu Fang, Shurong Wang, Zhihua Liu, Wenjin Xiao, Haijun Zong, Ying Xie
The aim of the study was to explore the clinical features related to early hypothyroidism and the relationship between the changes of thyrotropin receptor antibodies (TRAb) and early hypothyroidism in the course of 131 I treatment for Graves' disease. This study was a retrospective observation, including 226 patients who received the first 131 I treatment. The general information and laboratory tests were collected before and after 131 I treatment, and the laboratory data affecting the difference in disease outcome were analyzed...
April 4, 2024: Hormone and Metabolic Research
#13
JOURNAL ARTICLE
Moises Alberto Suarez-Zdunek, Nicoline Stender Arentoft, Paul Suno Krohn, Emilie Høegholm Ernst Lauridsen, Shoaib Afzal, Julie Høgh, Magda Teresa Thomsen, Andreas Dehlbæk Knudsen, Børge Grønne Nordestgaard, Jens Georg Hillingsø, Gerda Elisabeth Villadsen, Peter Holland-Fischer, Allan Rasmussen, Anette Dam Fialla, Ulla Feldt-Rasmussen, Susanne D Nielsen
The prevalence of hyperthyroidism and hypothyroidism and associated risk factors are unknown in liver transplant recipients. We aimed to determine the prevalence of hyperthyroidism and hypothyroidism and associated risk factors in liver transplant recipients and to compare it with controls from the general population. As part of the Danish Comorbidity in Liver Transplant Recipients (DACOLT) Study, all Danish liver transplant recipients over the age of 20 were invited for measurements of concentrations of thyrotropin and thyroid hormones...
April 3, 2024: Scientific Reports
#14
JOURNAL ARTICLE
Sabrina Kaul, Ankur Gupta
BACKGROUND: After the initial thyroid nodule diagnosis, a patient's thyrotropin is often monitored. However, the American Thyroid Association guidelines do not offer recommendations for follow-up thyrotropin testing for patients with thyroid nodules who have no history of conditions or known medications that affect thyroid hormone levels. METHODS: At the Veterans Affairs Dayton Healthcare System in Ohio, we conducted a retrospective chart review from January 2010 to December 2016 of 100 patients diagnosed with ≥ 1 thyroid nodule on imaging studies who had normal blood thyrotropin at the time of nodule diagnosis...
November 2023: Federal Practitioner
#15
JOURNAL ARTICLE
Peter Lauffer, Charlotte A Heinen, Annika W M Goorsenberg, Arjan Malekzadeh, Peter Henneman, Annemieke C Heijboer, Nitash Zwaveling-Soonawala, Anita Boelen, A S Paul van Trotsenburg
Background: Initial evaluation of the hypothalamus-pituitary-thyroid axis is done by measuring serum free thyroxine (fT4) and thyrotropin concentrations. For correct interpretation of these measurements, reliable age-specific reference intervals (RIs) are fundamental. Since neonatal fT4 RIs conforming to the Clinical and Laboratory Standards Institute guidelines are not available for all assays, we set out to create literature-based uniform age-specific neonatal fT4 RIs that may be used for every assay. Methods: For meta-analysis of individual participant fT4 concentrations, we systematically searched MEDLINE and Embase (search date December 6, 2023; PROSPERO registration CRD42016041871)...
April 2, 2024: Thyroid: Official Journal of the American Thyroid Association
#16
Marissa Tucci, Robert Galagan, Dragana Lovre
The synthetic retinoid bexarotene (BXT), used in the treatment of cutaneous T-cell lymphoma (CTCL), has been associated with central hypothyroidism due to suppression of thyrotropin (TSH) secretion and upregulation of peripheral thyroxine (T4) and triiodothyronine (T3) metabolism. We present a case of a 41-year-old man with CTCL who developed central hypothyroidism within 1 month of receiving BXT. He required sequential uptitration of levothyroxine (LT4) over 15 months, and free T4 (FT4) and total T3 levels were normalized by a daily regimen of LT4 600 mcg and liothyronine (LT3) 15 mcg...
April 2024: JCEM Case Rep
#17
JOURNAL ARTICLE
Xinpan Wang, Tiantian Li, Yue Li, Qiuyi Wang, Yun Cai, Zhixiao Wang, Yun Shi, Tao Yang, Xuqin Zheng
BACKGROUND: A subset of Graves' disease (GD) patients develops refractory hyperthyroidism, posing challenges in treatment decisions. The predictive value of baseline characteristics and early therapy indicators in identifying high risk individuals is an area worth exploration. METHODS: A prospective cohort study (2018-2022) involved 597 newly diagnosed adult GD patients undergoing methimazole (MMI) treatment. Baseline characteristics and 3-month therapy parameters were utilized to develop predictive models for refractory GD, considering antithyroid drug (ATD) dosage regimens...
March 29, 2024: Journal of Translational Medicine
#18
JOURNAL ARTICLE
Joris A J Osinga, Yindi Liu, Tuija Männistö, Marina Vafeiadi, Fang-Biao Tao, Bijay Vaidya, Tanja G M Vrijkotte, Lorena Mosso, Judit Bassols, Abel López-Bermejo, Laura Boucai, Ashraf Aminorroaya, Ulla Feldt-Rasmussen, Aya Hisada, Jun Yoshinaga, Maarten A C Broeren, Sachiko Itoh, Reiko Kishi, Ghalia Ashoor, Liangmiao Chen, Flora Veltri, Xuemian Lu, Peter N Taylor, Suzanne J Brown, Leda Chatzi, Polina V Popova, Elena N Grineva, Farkhanda Ghafoor, Amna Pirzada, Maryam Kianpour, Emily Oken, Eila Suvanto, Andrew Hattersley, Marisa Rebagliato, Isolina Riaño-Galán, Amaia Irizar, Martine Vrijheid, Juana Maria Delgado-Saborit, Ana Fernández-Somoano, Loreto Santa-Marina, Kristien Boelaert, Gabriela Brenta, Rima Dhillon-Smith, Chrysoula Dosiou, Jennifer L Eaton, Haixia Guan, Sun Y Lee, Spyridoula Maraka, Lilah F Morris-Wiseman, Caroline T Nguyen, Zhongyan Shan, Mònica Guxens, Victor J M Pop, John P Walsh, Kypros H Nicolaides, Mary E D'Alton, W Edward Visser, David M Carty, Christian Delles, Scott M Nelson, Erik K Alexander, Layal Chaker, Glenn E Palomaki, Robin P Peeters, Sofie Bliddal, Kun Huang, Kris G Poppe, Elizabeth N Pearce, Arash Derakhshan, Tim I M Korevaar
Background: International guidelines recommend targeted screening to identify gestational thyroid dysfunction. However, currently used risk factors have questionable discriminative ability. We quantified the risk for thyroid function test abnormalities for a subset of risk factors currently used in international guidelines. Methods: We included prospective cohort studies with data on gestational maternal thyroid function and potential risk factors (maternal age, body mass index [BMI], parity, smoking status, pregnancy through in vitro fertilization, twin pregnancy, gestational age, maternal education, and thyroid peroxidase antibody [TPOAb] or thyroglobulin antibody [TgAb] positivity)...
March 28, 2024: Thyroid: Official Journal of the American Thyroid Association
#19
JOURNAL ARTICLE
Sunanda Tirupati, Pradeep Puthenveetil, Shilpa Lakkundi, Anudeep Gaddam, Vijaya Sarathi
BACKGROUND: Global data reports a low malignancy risk, whereas regional data report a variable risk of malignancy in Bethesda II thyroid nodules. The limited availability of surgical histopathology might have underestimated the risk of malignancy. Here, we report the prevalence of malignancy and its predictors in Bethesda II thyroid nodules for which the surgical histopathological diagnosis was available. METHODS: This retrospective study was done at a tertiary healthcare center in South India between January 2008 and September 2015...
February 2024: Curēus
#20
JOURNAL ARTICLE
Eunji Mun, Hye Ah Lee, Jung Eun Choi, Rosie Lee, Kyung Hee Kim, Hyesook Park, Hae Soon Kim
AIM: This study investigated the sex-specific association between thyroid function and various insulin resistance (IR) indices, including noninsulin-based IR indices, in euthyroid adolescents. METHODS: A total of 465 adolescents (aged 12-18 years; 255 boys and 210 girls) based on data from the 2014-2015 Korea National Health and Nutrition Examination Survey were included. Serum thyrotropin (thyroid-stimulating hormone [TSH]) and free thyroxine (fT4) were used to assess thyroid function, whereas the homeostasis model assessment of insulin resistance (HOMA-IR), quantitative insulin-sensitivity check index (QUICKI), glucose/insulin ratio (GIR), triglyceride-glucose (TyG) index, and triglyceride/high-density lipoprotein cholesterol (TG/HDL-C) ratio were used to assess IR...
March 20, 2024: Children
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