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Endocrine Research

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https://www.readbyqxmd.com/read/27911121/endocan-is-a-predictor-of-increased-cardiovascular-risk-in-women-with-polycystic-ovary-syndrome
#1
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
#2
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/27754735/acute-hormonal-findings-after-aneurysmal-subarachnoid-hemorrhage-report-from-a-single-center
#3
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
#4
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/27739907/editorial-board-page-eov
#5
(no author information available yet)
No abstract text is available yet for this article.
November 2016: Endocrine Research
https://www.readbyqxmd.com/read/26906176/modeling-vitamin-d-insufficiency-and-moderate-deficiency-in-adult-mice-via-dietary-cholecalciferol-restriction
#6
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/27532428/cosegregation-of-a-novel-mutation-in-the-sixth-transmembrane-segment-of-the-luteinizing-choriogonadotropin-hormone-receptor-with-two-brazilian-siblings-with-severe-testotoxicosis
#7
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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/26913980/a-possible-link-between-luteinizing-hormone-and-macrophage-migration-inhibitory-factor-levels-in-polycystic-ovary-syndrome
#11
Mehmet Calan, Tuncay Kume, Ozgur Yilmaz, Tugba Arkan, Gokcen Unal Kocabas, Ozge Dokuzlar, Kemal Aygün, Mehmet Asi Oktan, Nilay Danıs, Muzaffer Temur
PURPOSE: Macrophage migration inhibitory factor (MIF) is a multifunctional cytokine that plays a role in metabolic and inflammatory processes. Increasing evidence suggests that there is a link between MIF and ovulation. We aimed to evaluate plasma MIF levels in women with polycystic ovary syndrome (PCOS) and to determine whether MIF levels differ between the follicular phase and mid-cycle of the menstrual cycle in eumenorrheic women. METHODS: Ninety women with PCOS and 80 age- and BMI-matched healthy eumenorrheic women were consecutively recruited into this prospective observational study...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26865180/sex-effect-on-insulin-secretion-and-mitochondrial-function-in-pancreatic-beta-cells-of-elderly-wistar-rats
#12
Tianyi Li, Wenjun Jiao, Weifang Li, Hua Li
AIMS/HYPOTHESIS: Glucose tolerance progressively declines with age, and there is a high prevalence of type 2 diabetes in the elderly people. Previous studies have reported the sex differences in risk for type 2 diabetes, especially in the elderly people, whereas reasons for these sex differences remain poorly understood. This study aims to evaluate the effect of sex on glucose-stimulated insulin secretion and mitochondrial function in pancreatic beta cells of Wistar rats. METHODS: 3-month-old and 18-month-old Wistar rats of both sexes were used...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26865056/organ-specific-antibodies-in-lada-patients-for-the-prediction-of-insulin-dependence
#13
Alessandro P Delitala, Giovanni M Pes, Giuseppe Fanciulli, Margherita Maioli, Giannina Secchi, Franca Sanciu, Giuseppe Delitala, Roberto Manetti
AIM OF THE STUDY: The aim of the present study was to define the frequency of organ-specific and non-organ-specific autoantibodies in a cohort of Latent Autoimmune Diabetes in Adults (LADA) patients and to test whether multiple antibodies positivity could be a predictor of early insulin dependence. MATERIALS AND METHODS: We enrolled 210 LADA and 210 type 2 diabetes mellitus (T2D) patients. In all subjects anti-islet antigen-2 (IA-2Ab), anti-thyroperoxidase (TPOAb), anti-zinc transporter 8 (ZnT8Ab), anti-nuclear (ANA), anti-parietal cell (APCA), anti-smooth muscle (ASMA), anti-mitochondrial (AMA), anti-liver kidney microsomes (LKM), and anti-reticulin (ARA) circulating antibodies were assessed...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26864960/obesity-and-hypercholesterolemia-in-patients-with-prolactinomas-could-dhea-s-and-growth-hormone-be-the-missing-link
#14
Božidar Perić, Ivan Kruljac, Sara Šundalić, Hrvoje Ivan Pećina, Andrijana Jović, Mario Štefanović, Dražan Butorac, Milan Vrkljan
PURPOSE: Increasing evidence exists that hyperprolactinemia alters metabolic profile. The mechanism of this effect is unknown. We aimed to investigate the differences between the metabolic profile of patients with prolactinomas and nonfunctional pituitary adenomas and to evaluate the impact of other pituitary hormones on their metabolic profile. METHODS: Our retrospective study included 86 consecutive patients with prolactinomas and nonfunctional adenomas (29 prolactinomas and 57 adenomas)...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26864865/elevated-interleukin-1%C3%AE-in-peripheral-blood-mononuclear-cells-contributes-to-the-pathogenesis-of-autoimmune-thyroid-diseases-especially-of-hashimoto-thyroiditis
#15
Li Sun, Xiaoxu Zhang, Fang Dai, Jijia Shen, Cuiping Ren, Chunlin Zuo, Qiu Zhang
PURPOSE OF THE STUDY: To explore the relationship between IL-1β expression and two common autoimmune thyroid diseases: Hashimoto thyroiditis (HT) and Graves' disease (GD). MATERIALS AND METHODS: qRT-PCR, Quantiglo ELISA, and flow cytometry were used to evaluate the expression levels of IL-1β in serum, peripheral blood mononuclear cells (PBMCs), and thyroid tissue samples from patients with HT or GD. Local infiltration of monocytes was assessed by immunohistochemical study of patients' thyroid tissue samples...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26864772/association-between-serum-nitric-oxide-metabolites-and-thyroid-hormones-in-a-general-population-tehran-thyroid-study
#16
Fatemeh Bagheripuor, Safoora Gharibzadeh, Mahboubeh Ghanbari, Atieh Amouzegar, Maryam Tohidi, Fereidoun Azizi, Asghar Ghasemi
UNLABELLED: Nitric oxide participates in the regulation of thyroid function. AIMS: The purpose of this study was to determine whether there is an association between serum nitric oxide metabolites (NOx) and free thyroxine (free T4), anti-thyroid peroxidase (anti-TPO), and thyroid-stimulating hormone (TSH) levels. METHODS: Study subjects were adults, aged ≥20 years, who participated in the Tehran Thyroid Study (TTS). In a cross-sectional study, in the third phase of TTS, serum NOx concentrations were measured in 1974 adult participants; pregnant women and subjects who had chronic diarrhea, cancer, weight loss, and hospitalization within the past 3 months were excluded, as were those taking medicines that affect thyroid function; the remaining 1771 subjects were grouped according to tertiles of free T4, anti-TPO, and TSH...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26864682/long-term-follow-up-ultrasonography-after-lobectomy-in-papillary-thyroid-microcarcinoma-patients-a-single-center-study
#17
Dong Wook Kim
PURPOSE: This study aimed to assess the prevalence of tumor recurrence and to determine the appropriate interval of follow-up ultrasonography (US) in papillary thyroid microcarcinoma (PTMC) patients who underwent lobectomy. METHODS: Between January and December 2006, 137 patients underwent a lobectomy for the treatment of PTMC and at least one postoperative US follow-up examination. The postoperative follow-up US was performed by a single radiologist for all patients...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26864598/two-novel-tshr-gene-mutations-p-r528c-and-c-392-4del4-associated-with-congenital-hypothyroidism
#18
Ya-Li Qiu, Shao-Gang Ma, Hong Liu, Hong-Ni Yue
Inactivating mutations of the thyrotropin receptor (TSHR) gene are responsible for non-goitrogenic congenital hypothyroidism (CHNG). This study aimed to investigate mutations in the TSHR gene in 20 children with CHNG. Genomic DNA was extracted from peripheral blood leukocytes and was used for mutation screening by direct sequencing. Analyses of the TSHR gene revealed two novel variants in a 2-year-old boy with thyroid hypoplasia: a missense mutation c.1582C>T (p.R528C) and a splice-site deletion c.392+4del4...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26864472/the-utility-of-dual-energy-x-ray-absorptiometry-calcaneal-quantitative-ultrasound-and-fracture-risk-indices-frax%C3%A2-and-osteoporosis-risk-assessment-instrument-for-the-identification-of-women-with-distal-forearm-or-hip-fractures-a-pilot-study
#19
Sina Esmaeilzadeh, Fatih Cesme, Aydan Oral, Ayse Yaliman, Dilsad Sindel
PURPOSE: Dual-energy X-ray absorptiometry (DXA) is considered the "gold standard" in predicting osteoporotic fractures. Calcaneal quantitative ultrasound (QUS) variables are also known to predict fractures. Fracture risk assessment tools may also guide us for the detection of individuals at high risk for fractures. The aim of this case-control study was to evaluate the utility of DXA bone mineral density (BMD), calcaneal QUS parameters, FRAX® (Fracture Risk Assessment Tool), and Osteoporosis Risk Assessment Instrument (ORAI) for the discrimination of women with distal forearm or hip fractures...
August 2016: Endocrine Research
https://www.readbyqxmd.com/read/26853545/prevalent-hyperglycemia-in-older-obese-population-and-age-dependent-convergence-of-obese-indices-results-of-a-cross-sectional-study-of-japanese-generations-over-the-adult-life-span
#20
Kei Nakajima, Eiichiro Kanda, Kaname Suwa
PURPOSE/AIM: An age-dependent decline has been observed in the association between obesity and type 2 diabetes, a major comorbidity of obesity, although the evidence is limited. Therefore, we investigated the association and the plausible underlying mechanism in a large epidemiological study. MATERIALS AND METHODS: We examined the association between the degree of obesity and hyperglycemia in five age groups (20-39, 40-49, 50-59, 60-69, and 70-85 years) in a cross-sectional study of 78,776 apparently healthy Japanese men and women who underwent a checkup in 2012...
August 2016: Endocrine Research
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