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https://www.readbyqxmd.com/read/28432675/transoral-thyroidectomy-advantages-and-limitations
#1
G Dionigi, R P Tufano, J Russell, H Y Kim, E Piantanida, A Anuwong
In this opinion paper of the Journal of Endocrinological Investigation, leading experts in the field report on their current clinical experience with a novel approach for thyroid gland surgery, namely, "transoral thyroidectomy" (TOT). This feasible and novel surgical procedure does not require visible incisions and is, therefore, a truly scarless surgery. Patients meeting the following criteria can be considered as candidates for TOT: (a) an ultrasonographically (US) estimated thyroid diameter ≤10 cm; (b) US-estimated gland volume ≤45 mL; (c) nodule size ≤50 mm; (d) presence of a benign tumor such as a thyroid cyst or a single- or multi-nodular goiter; (e) Bethesda 3 and/or 4 category and (f) papillary microcarcinoma without the evidence of metastasis...
April 21, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28432637/polluted-pathways-mechanisms-of-metabolic-disruption-by-endocrine-disrupting-chemicals
#2
REVIEW
Mizuho S Mimoto, Angel Nadal, Robert M Sargis
PURPOSE OF REVIEW: Environmental toxicants are increasingly implicated in the global decline in metabolic health. Focusing on diabetes, herein, the molecular and cellular mechanisms by which metabolism disrupting chemicals (MDCs) impair energy homeostasis are discussed. RECENT FINDINGS: Emerging data implicate MDC perturbations in a variety of pathways as contributors to metabolic disease pathogenesis, with effects in diverse tissues regulating fuel utilization...
April 21, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28432571/cell-therapy-for-type-1-diabetes-current-and-future-strategies
#3
REVIEW
Yasaman Aghazadeh, Maria Cristina Nostro
PURPOSE OF THE REVIEW: Type 1 diabetes (T1D) is defined by an autoimmune destruction of insulin producing β-cells located in the endocrine part of the pancreas, the islets of Langerhans. As exogenous insulin administration fails at preventing severe complications associated with this disease, cell replacement therapies are being considered as a means to treat T1D. The purpose of this manuscript is to review the challenges associated with current strategies and discuss the potential of stem cell therapy for the treatment of T1D...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28432226/everolimus-plus-exemestane-in-advanced-breast-cancer-safety-results-of-the-ballet-study-on-patients-previously-treated-without-and-with-chemotherapy-in-the-metastatic-setting
#4
Daniele Generali, Filippo Montemurro, Roberto Bordonaro, Antonino Mafodda, Sante Romito, Andrea Michelotti, Pierluigi Piovano, Maria Teresa Ionta, Claudia Bighin, Donata Sartori, Antonio Frassoldati, Marina Elena Cazzaniga, Ferdinando Riccardi, Franco Testore, Patrizia Vici, Carlo Antonio Barone, Alessio Schirone, Federico Piacentini, Franco Nolè, Annamaria Molino, Luciano Latini, Edda Lucia Simoncini, Fausto Roila, Francesco Cognetti, Francesco Nuzzo, Jennifer Foglietta, Alessandro Marco Minisini, Francesca Goffredo, Giuseppe Portera, Gilda Ascione, Gabriella Mariani
BACKGROUND: The BALLET study was an open-label, multicenter, expanded access study designed to allow treatment with everolimus plus exemestane in postmenopausal women with hormone receptor-positive metastatic breast cancer progressed following prior endocrine therapy. A post hoc analysis to evaluate if previous chemotherapy in the metastatic setting affects the safety profile of the combination regimen of everolimus and exemestane was conducted on the Italian subset, as it represented the major part of the patients enrolled (54%)...
April 21, 2017: Oncologist
https://www.readbyqxmd.com/read/28432106/prohibitin-induced-obesity-leads-to-anovulation-and-polycystic-ovary-in-mice
#5
Sudharsana Rao Ande, Khanh Hoa Nguyen, Yang Xin Zi Xu, Suresh Mishra
Polycystic ovary syndrome (PCOS) is a prevalent endocrine disorder and the most common cause of female infertility. However, the etiology of the disease and the mechanisms by which this disorder progress remain unclear. Here we report that a transgenic obese mouse (Mito-Ob) developed by overexpressing prohibitin in adipocytes develops polycystic ovaries. Initially, the female Mito-Ob mice were equally fertile to their wild-type littermates. Mito-Ob mice begin to gain weight after puberty, become significantly obese between 3-6 months of age, and roughly 25% of them become infertile by 9 months of age...
April 21, 2017: Biology Open
https://www.readbyqxmd.com/read/28431277/endocrine-disruption-by-environmental-gestagens-in-amphibians-a-short-review-supported-by-new-in%C3%A2-vitro-data-using-gonads-of-xenopus-laevis
#6
REVIEW
Andrea Ziková, Claudia Lorenz, Frauke Hoffmann, Wibke Kleiner, Ilka Lutz, Matthias Stöck, Werner Kloas
Endocrine disruption caused by various anthropogenic compounds is of persisting concern, especially for aquatic wildlife, because surface waters are the main sink of these so-called endocrine disruptors (ED). In the past, research focused on (anti)estrogenic, (anti)androgenic, and (anti)thyroidal substances, affecting primarily reproduction and development in vertebrates; however, other endocrine systems might be also targeted by ED. Environmental gestagens, including natural progestogens (e.g. progesterone (P4)) and synthetic progestins used for contraception, are supposed to affect vertebrate reproduction via progesterone receptors...
April 5, 2017: Chemosphere
https://www.readbyqxmd.com/read/28431167/performance-of-18f-fdg-pet-ct-in-the-characterization-of-adrenal-masses-in-non-cancer-patients-a-prospective-study
#7
Carole Guerin, François Pattou, Laurent Brunaud, Jean-Christophe Lifante, Eric Mirallié, Magalie Haissaguerre, Damien Huglo, Pierre Olivier, Claire Houzard, Catherine Ansquer, Elif Hindié, Anderson Loundou, Cendrine Archange, Antoine Tabarin, Fréderic Sebag, Karine Baumstarck, David Taïeb
Context: Few prospective studies have evaluated the role of 18F-Fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) in the characterization of adrenal masses. Objective: To assess the performance of 18F-FDG PET/CT in the malignancy diagnosis of adrenal masses in non-cancer patients. Design: Prospective multicenter study. Material and methods: The study population consisted of 87 patients (87 adrenal masses) referred to endocrine surgeons: 56 with mass diameter ≥40 mm and 31 with a diameter <40 mm and of indeterminate nature based on unenhanced and washout CT attenuation densities...
April 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28430968/sex-chromosome-dependent-differential-viability-of-human-spermatozoa-during-prolonged-incubation
#8
Young-Ah You, Woo-Sung Kwon, Md Saidur Rahman, Yoo-Jin Park, Young-Ju Kim, Myung-Geol Pang
STUDY QUESTION: Are there significant differences in the ability of X chromosome-bearing (X) spermatozoa and Y chromosome-bearing (Y) spermatozoa to survive incubation under stressful conditions? SUMMARY ANSWER: Y spermatozoa are more vulnerable to stress than their X counterparts depending on culture period and temperature, and show higher expression of apoptotic proteins. WHAT IS KNOWN ALREADY: The primary sex ratio is determined by there being an equal number of spermatozoa carrying X and Y chromosomes...
April 19, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28430650/the-p-g534e-variant-of-habp2-is-not-associated-with-sporadic-papillary-thyroid-carcinoma-in-a-polish-population
#9
Artur Kowalik, Danuta Gąsior-Perczak, Martyna Gromek, Monika Siołek, Agnieszka Walczyk, Iwona Pałyga, Małgorzata Chłopek, Janusz Kopczyński, Ryszard Mężyk, Aldona Kowalska, Stanisław Góźdź
Thyroid cancer is one of the most frequently diagnosed cancers of the endocrine system. There are no known genetic risk factors for non-medullary thyroid cancer, other than a small number of hereditary syndromes; however, approximately 5% of non-medullary thyroid cancer, designated familial non-medullary thyroid cancer, exhibits heritability. The p.G534E (c.1601G>A) variant of HABP2 was recently reported as a risk factor for familial non-medullary thyroid cancer, including papillary thyroid carcinoma. We analyzed the incidence of the c...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430631/loss-of-steroid-hormone-receptors-is-common-in-malignant-pleural-and-peritoneal-effusions-of-breast-cancer-patients-treated-with-endocrine-therapy
#10
Willemijne A M E Schrijver, Karianne Schuurman, Annelot van Rossum, Ton Peeters, Natalie Ter Hoeve, Wilbert Zwart, Paul J van Diest, Cathy B Moelans
Discordance in estrogen receptor alpha (ERα), progesterone receptor (PR), androgen receptor (AR) and human epidermal growth factor receptor 2 (HER2) status between primary breast cancers and solid distant metastases ("conversion") has been reported previously. Even though metastatic spread to the peritoneal and pleural cavities occurs frequently and is associated with high mortality, the rate of receptor conversion and the prognostic implications thereof remain elusive.We therefore determined receptor conversion in 91 effusion metastases (78 pleural, 13 peritoneal effusions) of 69 patients by immunohistochemistry (IHC) and in situ hybridization...
February 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430429/potential-glucocorticoid-and-mineralocorticoid-effects-of-nine-organophosphate-flame-retardants
#11
Quan Zhang, Jinghua Wang, Jianqiang Zhu, Jing Liu, Meirong Zhao
Organophosphate flame retardants (OPFRs), as alternatives of polybrominated diphenyl ethers (PBDEs), have been frequently detected in the environment and biota, and could pose adverse effects on organisms. However, information on the potential endocrine disruption of OPFRs, especially their effects on steroid hormone receptors, such as glucocorticoid and mineralocorticoid receptors (GR/MR), is limited. In this study, the dual-luciferase reporter gene assay via GR/MR and a H295R steroidogenesis assay were employed to evaluate the endocrine disruption of nine OPFRs...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28429905/maintenance-vitamin-d3-dosage-requirements-in-chinese-women-with-post-menopausal-osteoporosis-living-in-the-tropics
#12
Yogeswari Venugopal, Sharifah F Wan Muhamad Hatta, Nurbazlin Musa, Siti Abdul Rahman, Jeyakantha Ratnasingam, Sharmila Sunita Paramasivam, Lee Ling Lim, Luqman Ibrahim, Karen Choong, Alexander Tb Tan, Karuthan Chinna, Siew Pheng Chan, Shireene R Vethakkan
BACKGROUND AND OBJECTIVES: Vitamin D3 (cholecalciferol) dose required to maintain sufficiency in non- Caucasian women with postmenopausal osteoporosis (PMO) inthe tropics has not been well studied. Some guidelines mandate 800-1000 IU vitamin D/day but the Endocrine Society (US) advocates 1500-2000 IU/day to maintain 25-hydroxyvitamin-D (25(OH)D) concentration at >75 nmol/L. We aimed to establish oral cholecalciferol dose required to maintain 25(OH)D concentration at >75 nmol/L in PMO Chinese Malaysian women, postulating lower dose requirements amongst light-skinned subjects in the tropics...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429548/is-serum-phosphate-a-useful-target-in-patients-with-chronic-kidney-disease-and-what-is-the-role-for-dietary-phosphate-restriction
#13
Nigel D Toussaint, Stephen G Holt
A complex system of endocrine and paracrine signals exists to control phosphate balance. Dysregulation of these systems in patients with chronic kidney disease has serious clinical consequences. Whilst observational studies have shown associations between higher serum phosphate levels and poor clinical outcomes, the direction of causality has not been demonstrated. Whether there is a target level of serum phosphate remains controversial and no randomized trials to date have proved that strategies to lower extracellular phosphate actually improve clinical outcomes...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28429281/impact-of-thyroid-disease-on-testicular-function
#14
REVIEW
Sandro La Vignera, Roberto Vita, Rosita A Condorelli, Laura M Mongioì, Silvia Presti, Salvatore Benvenga, Aldo E Calogero
INTRODUCTION: Testis was considered unresponsive to thyroid hormone for a long time. However, like in animals, the presence of thyroid hormone receptors in different testicular cell types was demonstrated also in humans. Accordingly, thyrotoxicosis and hypothyroidism have remarkable effects on testicular function and more extensively on fertility. REVIEW: Thyrotoxicosis and hypothyroidism are associated with changes affecting the endocrine, sexual, or reproductive functions...
April 20, 2017: Endocrine
https://www.readbyqxmd.com/read/28429092/natural-history-of-men1-gep-net-single-center-experience-after-a-long-follow-up
#15
Francesco Giudici, Tiziana Cavalli, Francesca Giusti, Giorgio Gronchi, Giacomo Batignani, Francesco Tonelli, Maria Luisa Brandi
BACKGROUND: The multiple endocrine neoplasia type 1 syndrome (MEN1) natural history is poorly evaluated, and few single-institution experiences about hereditary gastroenteropancreatic neuroendocrine tumors (GEP-NET) are reported. Our purpose is to analyze the role of GEP-NET in MEN1-related death, as well as the behavior of these lesions during follow-up. METHODS: The study population consists of 77 patients diagnosed with MEN1 GEP-NET, regularly followed up since 1990...
April 20, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28428677/hypothyroidism-in-pediatric-population-bosnian-and-herzegovinian-situation
#16
Edo Hasanbegovic, Snijezana Hasanbegovic, Edin Begic
INTRODUCTION: Thyroid gland diseases in children are in second place by frequency among all endocrine disorders. When interpreting the results of the thyroid function assessment it should be taken into account the significant differences in the concentrations of TSH, thyroid hormones, thyroid binding proteins and calcitonin among children of different ages. GOAL: To present the age and sex structure of the patients diagnosed with hypothyroidism, evaluate diagnostic methods for making diagnosis, evaluation of etiology of hypothyroidism, with special review of the therapeutic modality...
February 2017: Medical Archives
https://www.readbyqxmd.com/read/28428670/thyroid-autoimmunity-in-patients-with-chronic-urticaria
#17
Emina Kasumagic-Halilovic, Nermina Beslic, Nermina Ovcina-Kurtovic
INTRODUCTION: chronic urticaria (CU) is a skin disorder characterized by transient, pruritic wheals persisting for longer than 6 weeks. The etiopathogenesis of the disease is still unclear, but there is evidence that autoimmunity and endocrine dysfunction may be involved. AIM: the aim of this study was to determine whether chronic urticaria is statistically associated with thyroid autoimmunity. PATIENTS AND METHODS: in a prospective case-control study, we compared the frequency of thyroid auto-antibodies (thyroglobulin antibody, anti-Tg and thyroid peroxidase antibody, anti-TPO) in 70 patients with chronic urticaria and in 70 healthy volunteers...
February 2017: Medical Archives
https://www.readbyqxmd.com/read/28428362/hepatic-lipid-accumulation-cause-and-consequence-of-dysregulated-glucoregulatory-hormones
#18
Caroline E Geisler, Benjamin Jennings Renquist
Fatty liver can be diet, endocrine, genetic, viral, or drug induced. Independent of cause, hepatic lipid accumulation promotes systemic metabolic dysfunction. By acting as peroxisome proliferator activated receptor (PPAR) ligands, hepatic non-esterified fatty acids upregulate expression of gluconeogenic, beta-oxidative, lipogenic, and ketogenic genes, promoting hyperglycemia, hyperlipidemia, and ketosis. The typical hormonal environment in fatty liver disease consists of hyperinsulinemia, hyperglucagonemia, hypercortisolemia, growth hormone deficiency, and elevated sympathetic tone...
April 20, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28428077/molecular-bases-of-the-crosstalk-between-bone-and-muscle
#19
Gerard Karsenty, Paula Mera
Exercise is an evolutionary conserved survival function that nowadays has beneficial health effects. The increased metabolic activity of contracting skeletal muscle affects the biology of many organs involved in regulating muscle functions. The discovery of hormones and cytokines secreted by bone and skeletal muscle during exercise, has recently added experimental credence to the notion that a crosstalk exists between these organs. Bone through the hormone osteocalcin, promotes exercise capacity in the mouse...
April 17, 2017: Bone
https://www.readbyqxmd.com/read/28427902/effects-of-different-green-light-intensities-on-the-growth-performance-and-endocrine-properties-of-barfin-flounder-verasper-moseri
#20
Akiyoshi Takahashi, Satoshi Kasagi, Naoto Murakami, Sumihisa Furufuji, Shigeto Kikuchi, Kanta Mizusawa, Tadashi Andoh
We previously reported that the somatic growth of barfin flounder, Verasper moseri, was effectively stimulated by the green light compared to the blue and red lights. Herein, we report the effects of different green light intensities on the growth and endocrine system of the fish. Fish were reared in a dark room with light from a light-emitting diode (LED) at a peak wavelength of 518 nm under controlled photoperiod (10.5:13.5 h, light:dark cycle; 06:00-16:30, light) with three levels of photon flux density (PFD)-2 (low), 7 (medium), or 21 (high) μmol·m(-2)·s(-1) at the water surface...
April 17, 2017: General and Comparative Endocrinology
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