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https://www.readbyqxmd.com/read/27906195/congenital-hypothyroidism-with-delayed-thyroid-stimulating-hormone-elevation-in-premature-infants-born-at-less-than-30-weeks-gestation
#1
D C Kaluarachchi, T T Colaizy, L M Pesce, M Tansey, J M Klein
OBJECTIVE: Congenital hypothyroidism (CH) with delayed thyroid-stimulating hormone (TSH) elevation is a common form of thyroid dysfunction among premature infants. Routine newborn screening (NBS) may miss infants with CH with delayed TSH elevation. The objective of the study is to determine the prevalence of CH with delayed TSH elevation in premature infants and to identify associated risk factors. STUDY DESIGN: Retrospective analysis of serum thyroid function screening (TFS) at day of life 30 in premature infants <30 weeks gestation, admitted to University of Iowa Neonatal Intensive Care Unit between 1 July 2012 to 30 June 2015...
December 1, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27905968/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#2
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
November 8, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905199/high-prevalence-of-anti-tsh-receptor-antibody-in-fibromyalgia-syndrome
#3
Kenya Nishioka, Toyoyoshi Uchida, Chie Usui, Ryota Tanaka, Takashi Matsushima, Yoshifuji Matsumoto, Ikuro Nakamura, Kusuki Nishioka, Nobutaka Hattori
AIM: Fibromyalgia syndrome (FMS) is defined as chronic widespread pain that cannot be accounted for by any other medical disorder. Our aim was to explore the prevalence of thyroid autoimmunity in patients with FMS. METHODS: For determining thyroid function in 207 FMS patients, we tested for the titers of free tri-iodothyronine, free thyroxine, thyroid-stimulating hormone (TSH), anti-thyroid peroxidase antibody (TPOAb), anti-thyroglobulin antibody (TgAb) and anti-TSH receptor antibody (TRAb)...
November 30, 2016: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/27904425/association-of-thyroid-profile-and-prolactin-level-in-patient-with-secondary-amenorrhea
#4
Sujata Shrestha, Sunita Neupane, Narayan Gautam, Raju Kumar Dubey, Amit Chandra Jha, Nilesh Raj Doshi, Archana Jayan
BACKGROUND: Amenorrhea is the absence of menstrual periods. It has multiple social consequences as it may leads to infertility. This case control study was conducted for determining the association of thyroid hormones with hyperprolactinemia in patient with amenorrhea. METHODS: We investigated 50 women with diagnosed cases of secondary amenorrhoea, who attended UCMS hospital, for hormonal evaluations. Fifty two healthy women were taken as the controls. The thyroid dysfunction and serum prolactin level were reviewed in cases and in the controls...
September 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/27904073/a-case-of-familial-dysalbuminemic-hyperthyroxinemia-fdh-in-japan-fdh-as-a-possible-differential-diagnosis-of-syndrome-of-inappropriate-secretion-of-thyroid-stimulating-hormone-sitsh
#5
Sakiko Kobayashi, Jaeduk Yoshimura Noh, Taeko Shimizu, Tomoaki Sato, Isao Kurihara, Kiminori Sugino, Hiroshi Itoh, Koichi Ito
Familial dysalbuminemic hyperthyroxinemia (FDH) is an autosomal dominant condition and is the most commonly inherited euthyroid hyperthyroxinemia in Caucasians. However, it is extremely rare in Asian populations. A 30-year-old Japanese woman, who was incidentally found to have apparent thyroid dysfunction, was admitted to our hospital in 2004. She had extremely elevated serum free thyroxine (FT4), moderately elevated free triiodothyronine (FT3), and normal thyroid-stimulating hormone (TSH). Clinical thyroid examination revealed no abnormalities other than small goiter...
November 30, 2016: Endocrine Journal
https://www.readbyqxmd.com/read/27903512/thyroid-hormone-stimulated-increases-in-pgc-1%C3%AE-and-ucp2-promote-life-history-specific-endocrine-changes-and-maintain-a-lipid-based-metabolism
#6
Bridget Martinez, José G Soñanez-Organis, Jose A Godoy-Lugo, Lillian Horin, Daniel E Crocker, Rudy M Ortiz
Thyroid hormones (TH) regulate metabolism, but are typically suppressed during times of stressful physiological conditions, including fasting. Interestingly, prolonged fasting in northern elephant seal pups is associated with reliance on a lipid-based metabolism and increased levels of circulating thyroid hormones that are partially attributed to active secretion as opposed to reduced clearance. This apparent paradox is coupled with complementary increases in cellular TH-mediated activity suggesting that in mammals naturally adapted to prolonged fasting TH are necessary to support metabolism...
November 30, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27902975/timing-of-hormone-withdrawal-in-children-undergoing-131i-whole-body-scans-for-thyroid-cancer
#7
Sophie Turpin, Raymond Lambert, Cheri Deal
BACKGROUND: Little objective pediatric data exist to guide the optimal time needed to achieve thyroid-stimulating hormone (TSH) levels ≥30 μIU/mL prior to performing 131I or 123I whole-body scan (WBS) imaging in children with thyroid cancer in the post-thyroidectomy period or after hormone discontinuation. METHODS: Retrospective study of patients aged 5-19 years who underwent WBS. Patient data collection included type and duration of withdrawal (liothyronine [L-T3], levothyroxine [L-T4], or post-thyroidectomy status without hormonal replacement) and TSH measured prior to WBS (level and timing)...
December 1, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27902923/kisspeptin-expression-is-decreased-in-the-arcuate-nucleus-of-hypothyroid-female-rats-with-irregular-estrus-cycles
#8
Yuji Tomori, Ken Takumi, Norio Iijima, Shinro Takai, Hitoshi Ozawa
Insufficiency of thyroid hormones inhibits gonadotropin release and results in dysregulation of reproductive function, although the precise mechanism of this disrupted gonadotropin secretion remains unclear. Kisspeptin is a neuropeptide that strongly stimulates gonadotropin secretion and plays an important role in reproductive function. To examine the involvement of kisspeptin in the dysregulation of gonadotropin secretion in hypothyroidism, we investigated Kiss1 mRNA expression and kisspeptin immunoreactivity in the hypothalamus of female rats treated with propylthiouracil (PTU)...
November 27, 2016: Neuroscience Research
https://www.readbyqxmd.com/read/27902589/serum-thyroglobulin-reference-intervals-in-regions-with-adequate-and-more-than-adequate-iodine-intake
#9
Zhaojun Wang, Hanyi Zhang, Xiaowen Zhang, Jie Sun, Cheng Han, Chenyan Li, Yongze Li, Xiaochun Teng, Chenling Fan, Aihua Liu, Zhongyan Shan, Chao Liu, Jianping Weng, Weiping Teng
The purpose of this study was to establish normal thyroglobulin (Tg) reference intervals (RIs) in regions with adequate and more than adequate iodine intake according to the National Academy of Clinical Biochemistry (NACB) guidelines and to investigate the relationships between Tg and other factors.A total of 1317 thyroid disease-free adult subjects (578 men, 739 nonpregnant women) from 2 cities (Guangzhou and Nanjing) were enrolled in this retrospective, observational study. Each subject completed a questionnaire and underwent physical and ultrasonic examination...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27901447/multivariate-analysis-of-thyrotropin-in-preterm-newborns-based-on-adequacy-of-weight-for-gestational-age
#10
Vicente María Bosch-Giménez, Antonio Palazón-Bru, Álvaro Blasco-Barbero, Mercedes Juste-Ruiz, María Mercedes Rizo-Baeza, Ernesto Cortés-Castell
BACKGROUND: Different and conflicting data have been published concerning thyroid-stimulating hormone (TSH) levels among small-for-gestational-age (SGA) and appropriate-for-gestational-age (AGA) newborns. The hypothesis of our study was that SGA preterm infants have higher TSH levels than those who are not underweight. METHODS: This cross-sectional study analysed the TSH levels of all preterm newborns with a negative congenital hypothyroidism screening result (TSH<7...
November 30, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27901182/does-insulin-resistance-increase-thyroid-volume-in-patients-with-polycystic-ovary-syndrome
#11
Murat Sahin, Didem Demircioglu, Ayten Oguz, Dilek Tuzun, Mehmet Akif Sarica, Elif Inanc, Kamile Gul
Objective: To investigate the effect of gonadotropin, sex hormone levels and insulin resistance (IR) on thyroid functions and thyroid volume (TV) in polycystic ovary syndrome (PCOS). Subjects and methods: 69 new diagnosed PCOS patients (age 24.82 ± 6.17) and 56 healthy control female (age 26.69 ± 5.25) were involved to the study. Fasting plasma glucose, lipid profile, insulin, thyroid stimulating hormone (TSH), free thyroxine (fT4), estradiol (E2), luteinizing hormone (LH), follicle stimulating hormone levels and urine iodine were measured in all participants...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27899788/serum-lipid-transfer-proteins-in-hypothyreotic-patients-are-inversely-correlated-with-thyroid-stimulating-hormone-tsh-levels
#12
Anna Skoczyńska, Anna Wojakowska, Barbara Turczyn, Katarzyna Zatońska, Maria Wołyniec, Natalia Rogala, Andrzej Szuba, Grażyna Bednarek-Tupikowska
BACKGROUND Plasma cholesteryl ester transfer protein (CETP) activity is often decreased in patients with hypothyroidism, whereas less is known about the phospholipid transfer protein (PLTP). We aimed to evaluate simultaneously serum CETP and PLTP activity in patients diagnosed with hypothyroidism. MATERIAL AND METHODS The selection criteria for control group members (without thyroid dysfunction) in this case to case study were levels of total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol (HDL-C), and triglycerides similar to those in study group patients (101 patients diagnosed with hypothyroidism)...
November 30, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27895620/excessive-cytosolic-dna-fragments-as-a-potential-trigger-of-graves-disease-an-encrypted-message-sent-by-animal-models
#13
REVIEW
Yuqian Luo, Aya Yoshihara, Kenzaburo Oda, Yuko Ishido, Koichi Suzuki
Graves' hyperthyroidism is caused by autoantibodies directed against the thyroid-stimulating hormone receptor (TSHR) that mimic the action of TSH. The establishment of Graves' hyperthyroidism in experimental animals has proven to be an important approach to dissect the mechanisms of self-tolerance breakdown that lead to the production of thyroid-stimulating TSHR autoantibodies (TSAbs). "Shimojo's model" was the first successful Graves' animal model, wherein immunization with fibroblasts cells expressing TSHR and a major histocompatibility complex (MHC) class II molecule, but not either alone, induced TSAb production in AKR/N (H-2(k)) mice...
2016: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/27892665/thyroid-function-after-postoperative-radiation-therapy-in-patients-with-breast-cancer
#14
Wolny-Rokicka Edyta, Tukiendorf Andrzej, Wydmański Jerzy, Roszkowska Danuta, Staniul Bogusław, Zembroń-Łacny Agnieszka
Objective: The aim of this study was to assess thyroid function in breast cancer patients exposed to therapeutic external beam radiation. The focus was on possible progressive changes and any relationships between the incidence of primary hypothyroidism, the time required to become hypothyroid, and factors such as chemotherapy, hormonotherapy and immunotherapy. Materials and Methods: Seventy females undergoing 3D conformal and IMRT radiation therapy for breast cancers were enrolled in a non-randomized prospective study...
January 10, 2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27891401/premature-ovarian-failure-an-association-with-autoimmune-diseases
#15
Ayesha, Vandana Jha, Deepti Goswami
INTRODUCTION: Premature Ovarian Failure (POF) is the cessation of ovarian function before the age of 40 years. POF is reported to be associated with autoimmune diseases in 20-30% of cases. AIM: Patients presenting with idiopathic POF were screened for the presence of autoimmune disorders. MATERIALS AND METHODS: Twenty patients with idiopathic POF were included in the study. Baseline investigation in all subjects included fasting serum FSH, LH, E2, progesterone, free T3, free T4, Thyroid-Stimulating Hormone (TSH) and Anti-Thyroperoxidase (anti-TPO) antibodies, testosterone and Dehydroepiandrosterone (DHEAS) levels...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27889471/functional-characterization-of-two-naturally-occurring-mutations-v-221-g-and-t-449-n-in-the-follicle-stimulating-hormone-receptor
#16
Antara A Banerjee, Swati K Achrekar, Shaini Joseph, Bhakti R Pathak, Smita D Mahale
Naturally occurring mutations in follicle stimulating hormone receptor (FSHR) affect the receptor function. Here, we characterized two such previously reported mutations, V(221)G and T(449)N, in the extracellular domain and transmembrane helix 3, of FSHR, respectively. Functional studies with the V(221)G mutant demonstrated an impairment in FSH binding and signaling. Validation of X-ray crystallography data indicating the contribution of FSHR specific residues in the vicinity of V(221) to contribute to FSH-FSHR interaction was carried out...
November 23, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27886341/clinical-efficacy-of-therapeutic-intervention-for-subclinical-hypothyroidism-during-pregnancy
#17
R Ju, L Lin, Y Long, J Zhang, J Huang
This study explored the effects of levothyroxine (L-T4) replacement therapy on pregnancy outcomes in patients with subclinical hypothyroidism (SCH). We analyzed the effects on pregnancy outcomes with respect to gestational week when the desired thyroid-stimulating hormone (TSH) level was reached as well as the length of time required to reach the target level during L-T4 treatment. This study enrolled 457 patients diagnosed with SCH upon initial thyroid function screening. Subjects were assigned to the treatment group (N = 184), and the control group (N = 273)...
November 21, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27885853/nomogram-for-radiation-induced-hypothyroidism-prediction-in-nasopharyngeal-carcinoma-after-treatment
#18
Ren Luo, Mei Li, Zhining Yang, Yizhou Zhan, Baotian Huang, Jiayang Lu, Zhenxi Xu, Zhixiong Lin
OBJECTIVE: The aim of this study was to develop a nomogram for radiation-induced hypothyroidism (RHT) prediction. METHODS: We collected data from 164 NPC patients in our previous prospective study. Biochemical hypothyroidism (HT) was defined as a serum thyroid stimulating hormone (TSH) level greater than the normal value. We collected both clinical and dose-volume factors. A univariate Cox regression analysis was performed to identify RHT risk factors. Optimal predictors were selected according to the least absolute shrinkage and selection operator (LASSO)...
November 25, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27884404/exposure-to-perfluoroalkyl-substances-and-thyroid-function-in-pregnant-women-and-children-a-systematic-review-of-epidemiologic-studies
#19
REVIEW
Virginia Ballesteros, Olga Costa, Carmen Iñiguez, Tony Fletcher, Ferran Ballester, Maria-Jose Lopez-Espinosa
INTRODUCTION: Thyroid hormones (THs) are especially important for brain maturation and development during the fetal period and childhood. Several epidemiological studies have assessed the possible association between exposure to perfluoroalkyl substances (PFAS) and thyroid outcomes during the early stages of life. We aimed to review this evidence. METHODS: We conducted a systematic review in compliance with the PRISMA Statement (search conducted in PubMed and Embase, as well as in the citations of the selected articles)...
November 21, 2016: Environment International
https://www.readbyqxmd.com/read/27882133/effects-of-forced-swimming-stress-on-thyroid-function-pituitary-thyroid-stimulating-hormone-and-hypothalamus-thyrotropin-releasing-hormone-expression-in-adrenalectomy-wistar-rats
#20
Qiuyan Sun, Aihua Liu, Yanan Ma, Anyi Wang, Xinhong Guo, Weiping Teng, Yaqiu Jiang
In order to study the impact that is imposed on the hypothalamic-pituitary-thyroid (HPT) axis of adrenalectomy male Wistar rats by stress caused by swimming, the blood level of triiodothyronine (T3), thyroxine (T4) and thyroid-stimulating hormone (TSH), the expression of TSHβ mRNA at the pituitary and thyrotropin releasing hormone (TRH) expression at the paraventricular nucleus (PVN) were measured. A total of 50 male Wistar rats of 6-8 weeks of age and with an average weight of 190-210 grams were randomly divided into the following two groups: The surgical (without adrenal glands) and non-surgical (adrenalectomy) group...
November 2016: Experimental and Therapeutic Medicine
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