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Endocrine Research

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https://www.readbyqxmd.com/read/27936964/preoperative-serum-thyroglobulin-and-changes-in-serum-thyroglobulin-during-tsh-suppression-independently-predict-follicular-thyroid-carcinoma-in-thyroid-nodules-with-a-cytological-diagnosis-of-follicular-lesion
#1
Hye Jeong Kim, Ji-Oh Mok, Chul Hee Kim, Yeo Joo Kim, Sang Jin Kim, Hyeong Kyu Park, Dong Won Byun, Kyoil Suh, Myung Hi Yoo
BACKGROUND: Fine-needle aspiration biopsy (FNAB) cannot distinguish a follicular thyroid carcinoma (FTC) from a follicular adenoma in follicular lesions. We designed this study to determine whether the preoperative thyroglobulin (Tg) and change in serum Tg during thyroid-stimulating hormone (TSH) suppression can predict FTC in thyroid nodules with a cytological diagnosis of follicular lesion. METHODS: Among 854 patients who underwent thyroid surgery, the 198 patients who presented with thyroid nodules with a cytological diagnosis of follicular lesion were analyzed...
December 12, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27911121/endocan-is-a-predictor-of-increased-cardiovascular-risk-in-women-with-polycystic-ovary-syndrome
#2
Merve Bicer, Aslı Guler, Gokcen Unal Kocabas, Cetin Imamoglu, Ali Baloglu, Oktay Bilgir, Arif Yuksel, Giray Bozkaya, Mehmet Calan
PURPOSE: Endocan is a proteoglycan secreted mainly from endothelial cells. It has been implicated that there is a link between endocan and endothelial dysfunction. Polycystic ovary syndrome (PCOS) is a reproductive and metabolic disease associated with increased risk of cardiovascular events. The aims of this study were to ascertain whether circulating endocan levels are altered in women with PCOS, and whether there is an association between endocan and carotid intima media thickness (cIMT)...
December 2, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27911099/nuclear-morphometric-findings-in-undetermined-cytology-a-possible-clue-for-prediction-of-braf-mutation-in-papillary-thyroid-carcinomas
#3
Sevdegul Mungan, Safak Ersoz, Ismail Saygin, Zeynep Sagnak, Umit Cobanoglu
PURPOSE: To investigate the possible relationship between the nuclear morphometric characteristics (nuclear perimeter, roundness, nuclear area, and nuclear shape) and BRAF mutation status in papillary thyroid carcinoma cases with a prior diagnosis of undetermined cytology. MATERIALS AND METHODS: Total thyroidectomy specimens obtained from 48 patients with papillary thyroid carcinoma with a prior diagnosis of undetermined cytology were included. Morphometric analysis under light microscopy included measurements of the perimeter, shape factor, nuclear area, and roundness of thyrocyte nuclei from the cytological smear preparations...
December 2, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27739907/editorial-board-page-eov
#4
(no author information available yet)
No abstract text is available yet for this article.
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/27111422/the-effect-of-l-thyroxine-replacement-therapy-on-ischemia-modified-alb%C3%A3-min-and-malondialdehyde-levels-in-patients-with-overt-and-subclinical-hypothyroidism
#5
Cihangir Erem, Akile Karacin Suleyman, Nadim Civan, Ahmet Mentese, İrfan Nuhoglu, Aysegul Uzun, Hulya Coskun, Orhan Deger
BACKGROUND AND OBJECTIVES: The main objective of this study was to evaluate the levels of ischemia-modified albumin (IMA) and malondialdehyde (MDA) in patients with subclinical (SHypo) and overt hypothyroidism (OHypo), and to assess the effects of levothyroxine (LT4) therapy on the oxidative stress (OS) parameters. We also investigated the relationships among serum thyroid hormones, lipid parameters, and IMA and MDA in these patients. DESIGN AND METHODS: Thirty untreated patients with OHypo, 25 untreated patients with Shypo, and 30 age- and sex-matched healthy controls were prospectively included in the study...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/27045442/dynamic-thiol-disulfide-homeostasis-in-patients-with-autoimmune-subclinical-hypothyroidism
#6
Ihsan Ates, Mustafa Altay, Fatma Meric Yilmaz, Canan Topcuoglu, Salim Neselioglu, Ozcan Erel, Nisbet Yilmaz
OBJECTIVE: The aim of this study was to investigate dynamic thiol/disulfide homeostasis in autoimmune subclinical hypothyroidism. METHODS: Forty-eight patients with a new diagnosis of subclinical hypothyroidism due to Hashimoto thyroiditis who were not yet under medical therapy, and 48 healthy control subjects were enrolled. Thiol/disulfide homeostasis [native thiol-disulfide exchanges] was measured in both groups using the automated method developed by Erel and Neselioglu...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/27045342/higher-serum-ferritin-level-and-lower-femur-neck-strength-in-women-at-the-stage-of-bone-loss-%C3%A2-45-years-of-age-the-fourth-korea-national-health-and-nutrition-examination-survey-knhanes-iv
#7
Seong Hee Ahn, Seokhyeon Lee, Hyeonmok Kim, Seung Hun Lee, Beom-Jun Kim, Jung-Min Koh
PURPOSE: Despite the clear effect of iron on bone metabolism, most clinical studies related to bone health have only focused on bone mineral density (BMD). In the present study, we investigated the relationship between serum ferritin and composite indices of femur neck strength via a population-based, cross-sectional study using the Korea National Health and Nutrition Examination Survey (KNHANES). METHODS: Our study series included 693 women at the stage of bone loss (≥ 45 years of age), defined based on the observed patterns of age-related BMD changes in the KNHANES...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/27044317/hormone-deprived-serum-impairs-angiogenic-properties-in-human-endothelial-cells-regardless-of-estrogens
#8
Claudia Vanetti, Lucia M Vicentini, Maria Grazia Cattaneo
AIMS: In vitro studies on hormone biological activities are commonly performed on cells cultured in nominally hormone-free media consisting of phenol-red-free media supplemented with charcoal-stripped (CS) serum. These media are largely used in almost all cell types, including endothelial cells (ECs). METHODS: Cell number and metabolic activity were measured with standard methods. Angiogenesis was evaluated in a three-dimensional spheroid sprouting assay. RESULTS: When we compared human umbilical vein ECs (HUVECs) cultured in standard conditions (199 medium supplemented with normal serum) with HUVECs grown in the hormone-free medium (phenol-red-free 199 medium supplemented with CS serum), we found that cells stop to grow in the absence of hormones...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26906648/association-between-anorexia-nervosa-and-type-2-diabetes-in-sweden-etiological-clue-for-the-primary-prevention-of-type-2-diabetes
#9
Jianguang Ji, Jan Sundquist, Kristina Sundquist
AIM: Caloric restriction has been found to be protective against the development of type 2 diabetes mellitus (T2D) in experimental animal studies. However, studies examining this association in humans are limited. In the present study, we examined whether individuals with anorexia nervosa, one marker of severe caloric restriction in humans, have a low incidence of T2D by using several Swedish registries. METHODS: Individuals with anorexia nervosa were identified from the Swedish Hospital Discharge Register and Outpatient Register between 1964 and 2010...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26906498/levels-of-endothelial-cell-specific-molecule-1-esm-1-in-overt-hypothyroidisim
#10
Adem Gungor, Saziye Sezin Palabiyik, Zafer Bayraktutan, Hakan Dursun, Naile Gokkaya, Arzu Bilen, Habib Bilen
PURPOSE: Endothelial cell-specific molecule-1, endocan, is a proteoglycan that is expressed by the vascular endothelium. Endocan can be a biomarker of endothelial dysfunction caused by endothelial cell-dependent disorders. Endothelial dysfunction is an early step of atherosclerosis and is developed in hypothyroid patients, which indicates an association between hypothyroidism and atherosclerosis. Therefore, we aimed to investigate whether circulating endocan levels are associated with endothelial dysfunction in overt hypothyroid patients...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26906293/influence-of-endogenous-glucagon-like-peptide-2-on-lipid-disorders-in-mice-fed-a-high-fat-diet
#11
Sara Baldassano, Antonella Amato, Francesca Rappa, Francesco Cappello, Flavia Mulè
AIM: The purpose of the present study was to investigate the influence of endogenous glucagon-like peptide-2 (GLP-2) on lipid profile in mice fed a standard diet (STD) or a high-fat diet (HFD). MATERIALS AND METHODS: HFD- and age-matched STD mice were injected once a day with GLP-2 (3-33), a GLP-2 receptor (GLP-2R) antagonist, or vehicle for 4 weeks. RESULTS: HFD mice displayed increased intrahepatic lipid concentration and hepatic steatosis and higher plasma concentrations of cholesterol, LDL, AST, and ALT than STD mice...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26906176/modeling-vitamin-d-insufficiency-and-moderate-deficiency-in-adult-mice-via-dietary-cholecalciferol-restriction
#12
Sanjay M Mallya, Kristin R Corrado, Elizabeth A Saria, Feng-Ning Frank Yuan, Huy Q Tran, Kirsten Saucier, Elisa Atti, Sotirios Tetradis, Andrew Arnold
PURPOSE: We sought to develop and characterize a model of human vitamin D nutritional insufficiency/deficiency in the adult mouse, which could have broad utility in examining health consequences of this common condition. METHODS: Adult mice were fed diets containing cholecalciferol contents of 0.05 IU/g, 0.25 IU/g, 0.5 IU/g or 1.5 IU/g for four months. We studied induction of steady-state vitamin D insufficiency, and its consequences on primary cholecalciferol metabolite levels, calcium homeostasis, parathyroid physiology, and bone morphology...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26905960/lymph-node-fine-needle-aspiration-washout-thyroglobulin-in-papillary-thyroid-cancer-diagnostic-value-and-the-effect-of-thyroglobulin-antibodies
#13
Ceyla Konca Degertekin, Mehmet Muhittin Yalcin, Turgay Cerit, Cigdem Ozkan, Isilay Kalan, Ozlem Turhan Iyidir, Alev Eroglu Altinova, Mujde Akturk, Fusun Toruner, Murat Akin, Nuri Cakir
PURPOSE: Thyroglobulin (Tg) assessment in the needle washout after fine-needle aspiration biopsy (FNAB) of a suspicious neck lymph node (LN) is known to improve the diagnostic accuracy in patients with papillary thyroid cancer (PTC). However, there is still controversy on the best diagnostic cut-off levels for FNAB-Tg and whether thyroglobulin antibody (TgAb) positivity affects FNAB-Tg. The objectives of this study were to determine (i) the diagnostic power of different cut-offs for FNAB-Tg and (ii) if serum TgAb(+) negatively affects the FNAB-Tg evaluation...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26905813/gender-specific-associations-of-genetic-variants-with-metabolic-syndrome-components-in-the-tunisian-population
#14
Sahar Elouej, Insaf Rejeb, Redha Attaoua, Majdi Nagara, Om Kalthoum Sallem, Ines Kamoun, Mariem Chargui, Henda Jamoussi, Zinet Turki, Abdelmajid Abid, Claude Ben Slama, Sonia Bahri, Habiba Ben Romdhane, Sonia Abdelhak, Rym Kefi, Florin Grigorescu
AIM OF THE STUDY: Recent genome-wide association studies (GWASs) have identified many genetic variants associated with metabolic syndrome (MetS). However, their contribution to MetS in ethnic groups in Tunisia is largely unexplored. In this study, we aim to examine the associations of related loci with a risk of metabolic syndrome in a sample of Tunisians. MATERIALS AND METHODS: Overall seven polymorphisms rs7265718, rs10401969, rs762861, rs12310367, rs1562398, rs2059807, rs4420638 located at C20orf152, CILP2, LRPAP1, ZNF664, KLF14, INSR, APOE, respectively, were analyzed in 356 samples from the Tunisian population...
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/27754735/acute-hormonal-findings-after-aneurysmal-subarachnoid-hemorrhage-report-from-a-single-center
#15
Riikka S K Takala, Riku Kiviranta, Klaus T Olkkola, Tero Vahlberg, Dan Laukka, Anna Kotkansalo, Melissa Rahi, Matti Sankinen, Jussi Posti, Ari Katila, Jaakko Rinne
PURPOSE: The aim was to assess anterior pituitary hormone levels during the acute phase of aneurysmal subarachnoid hemorrhage (aSAH) and analyze the possible association with the clinical condition and outcome. MATERIAL AND METHODS: Forty patients with aSAH whose aneurysm was secured by endovascular coiling were enrolled. Basal secretions of cortisol, testosterone, luteinizing hormone (LH), prolactin (PRL), and sex hormone binding globulin (SHBG) levels were measured up to 14 days after the incident...
October 18, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27754732/patients-with-fgf23-related-hypophosphatemic-rickets-osteomalacia-do-not-present-with-left-ventricular-hypertrophy
#16
Yuichi Takashi, Yuka Kinoshita, Michiko Hori, Nobuaki Ito, Manabu Taguchi, Seiji Fukumoto
PURPOSE: Fibroblast growth factor 23 (FGF23) is a hormone regulating phosphate metabolism. Excessive actions of FGF23 cause several types of FGF23-related hypophosphatemic rickets/osteomalacia. Recently, it was reported that FGF23 levels were independently correlated with left ventricular hypertrophy (LVH) in patients with chronic kidney disease (CKD). In addition, FGF23 was also shown to cause cardiac hypertrophy directly acting on cardiomyocytes. However, there is no study indicating the correlation between FGF23 and LVH in adult patients with FGF23-related hypophosphatemic rickets/osteomalacia...
October 18, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27532428/cosegregation-of-a-novel-mutation-in-the-sixth-transmembrane-segment-of-the-luteinizing-choriogonadotropin-hormone-receptor-with-two-brazilian-siblings-with-severe-testotoxicosis
#17
Adriana A Siviero-Miachon, Marina M L Kizys, Manuela M Ribeiro, Fabiola Esgrignoli Garcia, Angela M Spinola-Castro, Magnus R Dias da Silva
PURPOSE: Testotoxicosis is an autosomal dominant form of gonadotropin-independent precocious puberty caused by heterozygous constitutively activating mutations of the luteinizing hormone/choriogonadotropin receptor (LHCGR) gene. The aim of this study was to describe two Brazilian siblings with testotoxicosis, to confirm the molecular diagnosis, and to perform an in silico analysis of a novel mutation in the hot spot of the LHCGR gene. MATERIALS AND METHODS: Molecular analysis of the mutation on the LHCGR gene was performed by direct Sanger sequencing, followed by an in silico analysis using HOPE bioinformatics tool to predict a functional defect of the mutant...
August 17, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27158852/diagnostic-value-of-tg-and-tgab-for-metastasis-following-ablation-in-patients-with-differentiated-thyroid-carcinoma-coexistent-with-hashimoto-thyroiditis
#18
Hong Chai, Zhao-Jin Zhu, Ze-Quan Chen, Yong-Li Yu
PURPOSE: This study was designed to investigate the clinical value of serum thyroglobulin (Tg) and antithyroglobulin antibody (TgAb) measurements and the cutoff value after ablation in differentiated thyroid carcinoma (DTC) complicated by Hashimoto thyroiditis (HT) with metastasis. MATERIALS AND METHODS: We measured serum Tg and TgAb levels and evaluated the disease status in 164 cases of DTC coexistent with HT in pathologically confirmed patients after surgery and post-remnant ablation during a 3-year follow-up...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/27144806/serum-myostatin-in-central-south-chinese-postmenopausal-women-relationship-with-body-composition-lipids-and-bone-mineral-density
#19
Yulin Ma, Xianping Li, Hongbin Zhang, Yangna Ou, Zhimin Zhang, Shuang Li, Feng Wu, Zhifeng Sheng, Eryuan Liao
AIMS: Previous data suggest that myostatin has direct effects on the proliferation and differentiation of osteoprogenitor cells. The relationships between serum myostatin, body composition lipids and bone mineral density in postmenopausal women remain unclear. The aim of this study is to elucidate the relationships between serum myostatin, body composition, lipids and bone mineral density in central south Chinese postmenopausal women. METHODS: A cross-sectional study was conducted in 175 healthy postmenopausal women, aged 51-75 years old...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/27030608/exendin-4-protects-huvecs-from-t-bhp-induced-apoptosis-via-pi3k-akt-bcl-2-caspase-3-signaling
#20
Linxi Wang, Li Tang, Yanping Wang, Lijing Wang, Xiaoying Liu, Xiaohong Liu, Zhou Chen, Libin Liu
AIMS: Although the insulinotropic role of glucagon-like peptide-1 (GLP-1) in type 2 diabetes mellitus has been substantiated, its role in cardioprotection remains largely unknown. In this study, we explored the effect and mechanism of exendin-4 on tert-butyl hydroperoxide (t-BHP)-induced apoptosis in human umbilical vein endothelial cells (HUVECs). METHODS: HUVECs were treated with 100 µmol/L t-BHP for 4 h, following pretreatment with 2.5-25 nmol/L exendin-4. Cell viability was determined using an dimethyl thiazolyl diphenyl tetrazolium salt (MTT) assay...
August 2016: Endocrine Research
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