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Endocrine disorders

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https://www.readbyqxmd.com/read/27906582/fiat-deletion-increases-bone-mass-but-does-not-prevent-high-fat-diet-induced-metabolic-complications
#1
Bahareh Hekmatnejad, Vionnie W C Yu, William Addison, Vice Mandic, Martin Pellicelli, Alice Arabian, René St-Arnaud
FIAT (Factor Inhibiting ATF4-mediated Transcription) interacts with ATF4 to repress its transcriptional activity. We performed a phenotypic analysis of Fiat-deficient male mice (Fiat(-/Y)) at 8 and 16 weeks of age. Fiat(-/Y) mice appeared normal at birth and weight gain was comparable between genotypes. μCT analysis of proximal femur demonstrated 46% and 13% age-dependent increases in trabecular bone volume and thickness, respectively, in Fiat(-/Y) mice. Cortical bone measurements at the femoral midshaft revealed a significant increase in cortical thickness in older Fiat(-/Y) mice...
December 1, 2016: Endocrinology
https://www.readbyqxmd.com/read/27905962/identifying-potential-differences-in-cause-of-death-coding-practices-across-russian-regions
#2
Inna Danilova, Vladimir M Shkolnikov, Dmitri A Jdanov, France Meslé, Jacques Vallin
BACKGROUND: Reliable and comparable data on causes of death are crucial for public health analysis, but the usefulness of these data can be markedly diminished when the approach to coding is not standardized across territories and/or over time. Because the Russian system of producing information on causes of death is highly decentralized, there may be discrepancies in the coding practices employed across the country. In this study, we evaluate the uniformity of cause-of-death coding practices across Russian regions using an indirect method...
March 22, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27904930/micrornas-in-bone-diseases
#3
REVIEW
L Gennari, S Bianciardi, D Merlotti
MicroRNAs are small, noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression, with an essential role in vertebrate development and different biological processes. This review highlights the recent advances in the function of miRNAs and their roles in bone remodeling and bone diseases. MicroRNAs (miRNAs) are a class of small (∼22 nt), noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression. They are essential for vertebrate development and play critical roles in different biological processes related to cell differentiation, activity, metabolism, and apoptosis...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27904553/comparison-of-the-effects-of-metformin-flutamide-plus-oral-contraceptives-and-simvastatin-on-the-metabolic-consequences-of-polycystic-ovary-syndrome
#4
Ferdous Mehrabian, Hatav Ghasemi-Tehrani, Mahboobe Mohamadkhani, Maryam Moeinoddini, Pooya Karimzadeh
BACKGROUND: Polycystic ovary syndrome (PCOS) is one of the common endocrine disorders in women of reproductive ages. It is associated with a range of disorders, such as dyslipidemia, hypertension, insulin resistance (IR), compensatory hyperinsulinemia, gestational, and type 2 diabetes, and increased risk of cardiovascular morbidity. There are different treatments available for PCOS. The purpose of this study was to determine and compare the effects of metformin, flutamide plus oral contraceptives (OCs), and simvastatin on the metabolic consequences of PCOS...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27901588/reciprocal-crosstalk-between-autophagic-and-endocrine-signaling-in-metabolic-homeostasis
#5
Rohit A Sinha, Brijesh K Singh, Paul M Yen
Autophagy is a cellular quality control and energy-providing process that is under strict control by intra- and extra-cellular stimuli. Recently, there has been an exponential increase in autophagy research and its implications for mammalian physiology. Autophagy de-regulation now is being implicated in many human diseases and its modulation has shown promising results in several pre-clinical studies. However, despite its first discovery as a hormone-regulated process by de Duve in the early 1960's, endocrine regulation of autophagy still remains poorly understood...
November 30, 2016: Endocrine Reviews
https://www.readbyqxmd.com/read/27900224/perioperative-severe-hypotension-in-a-patient-with-multiple-endocrine-neoplasia-type-iib-and-bilateral-adrenalectomies-time-to-review-the-evidence-for-stress-dose-steroids
#6
Jens Tan, Acsa Zavala, Katherine B Hagan, Antoinette Van Meter, Uduak Ursula Williams, Wei Zhang, Pascal Owusu-Agyemang
Multiple endocrine neoplasia type IIb (MEN IIb) is an endocrine disorder which can manifest with tumors such as pheochromocytomas and neuromas. We present the case of a patient with MEN IIb, after bilateral adrenalectomies, on maintenance steroid replacement, who underwent a neuroma resection and developed severe hypotension. There is persistent controversy regarding the general administration of perioperative "stress dose" steroids for patients with adrenal insufficiency. While the most recent literature suggests that stress dose steroids are unnecessary for secondary adrenal insufficiency, the rarer form of primary adrenal insufficiency always requires supplemental steroids, specifically hydrocortisone, when undergoing surgical procedures...
2016: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/27899022/alterations-of-specific-lipid-groups-in-serum-of-obese-humans-a-review
#7
REVIEW
A Mika, T Sledzinski
Obesity is a major contributor to the dysfunction of liver, cardiac, pulmonary, endocrine and reproductive system, as well as a component of metabolic syndrome. Although development of obesity-related disorders is associated with lipid abnormalities, most previous studies dealing with the problem in question were limited to routinely determined parameters, such as serum concentrations of triacylglycerols, total cholesterol, low-density and high-density lipoprotein cholesterol. Many authors postulated to extend the scope of analysed lipid compounds and to study obesity-related alterations in other, previously non-examined groups of lipids...
November 29, 2016: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27898267/combining-treatment-with-myo-inositol-and-d-chiro-inositol-40-1-is-effective-in-restoring-ovary-function-and-metabolic-balance-in-pcos-patients
#8
Giovanni Monastra, Vittorio Unfer, Abdel Halim Harrath, Mariano Bizzarri
Polycystic ovary syndrome (PCOS), a relevant cause of infertility, is a heterogeneous, endocrine disorder affecting up to 10-15% of women in reproductive age. Besides hyperandrogenism, insulin resistance (IR) plays a key role in such syndrome. Insulin-sensitizing drugs, such as Metformin, are effective in treating hyper-insulinemic PCOS patients. Recently, inositols - myo-inositol (MI) and D-chiro-inositol (DCI) - have shown to be an efficient and safe alternative in PCOS management, as both inositol isoforms are able to counteract downstream consequences of insulin resistance...
November 29, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27896392/tubular-and-genetic-disorders-associated-with-kidney-stones
#9
REVIEW
Nilufar Mohebbi, Pietro Manuel Ferraro, Giovanni Gambaro, Robert Unwin
This concise review summarizes our current understanding and the recent developments in genetics and related renal tubular disorders that have been linked with, or have been shown to be causal in, renal stone disease. The aim is to provide a readily accessible quick and easy update for urologists, nephrologists and endocrine or metabolic physicians whose practice involves the diagnosis and management of nephrolithiasis. An important message is to always consider a seemingly rare, and usually genetic, cause of kidney stones, since some of these are emerging as more common than originally thought, especially in adult clinical practice in which a family history of stones is a common finding...
November 28, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27895088/hormonal-alterations-in-pcos-and-its-influence-on-bone-metabolism
#10
Abhaya Krishnan, Sridhar Muthusami
According to the World Health Organization (WHO) polycystic ovary syndrome (PCOS) occurs in 4-8% of women worldwide. The prevalence of PCOS in Indian adolescents is 12.2% according to ICMR (Indian Council of Medical Research) report. National Institute of Health documented that it affects approximately 5 million women of reproductive age in the United States . Hormonal imbalance is the characteristic of many women with polycystic ovarian syndrome. The impact of various endocrine changes in PCOS women and their relevance to bone remains to be documented...
November 28, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27894393/the-effect-of-the-ginger-on-the-apoptosis-of-hippochampal-cells-according-to-the-expression-of-bax-and-cyclin-d1-genes-and-histological-characteristics-of-brain-in-streptozotocin-male-diabetic-rats
#11
A Molahosseini, M M Taghavi, Z Taghipour, A Shabanizadeh, F Fatehi, M Kazemi Arababadi, S H Eftekhar Vaghefe
Diabetes is the most common endocrine disorder in humans with multiple complications including nervous system damages. The aim of the present study was to determine the effect of ginger extract on apoptosis of the neurons of hippocampus, via evaluation of BAX and Cyclin D1 and also histological analysis, in male diabetic rats. In this experimental study, 60 Wistar rats (220 ± 30gr) were conducted in 5 groups as follow: diabetic group treated with saline (group 1), normal group treated with saline (group 2), diabetic group treated with ginger (group 3), diabetic group treated with ginger-insulin (group 4), diabetic group treated with insulin (group 5)...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894106/prader-willi-syndrome-due-to-an-unbalanced-de-novo-translocation-t-15-19-q12-p13-3
#12
Vy Dang, Abhilasha Surampalli, Ann M Manzardo, Stephanie Youn, Merlin G Butler, June-Anne Gold, Virginia E Kimonis
Prader-Willi syndrome (PWS) is a complex, multisystem genetic disorder characterized by endocrine, neurologic, and behavioral abnormalities. We report the first case of an unbalanced de novo reciprocal translocation of chromosomes 15 and 19, 45,XY,-15,der(19)t(15;19)(q12;p13.3), resulting in monosomy for the PWS critical chromosome region. Our patient had several typical features of PWS including infantile hypotonia, a poor suck and feeding difficulties, tantrums, skin picking, compulsions, small hands and feet, and food seeking, but not hypopigmentation, a micropenis, cryptorchidism or obesity as common findings seen in PWS at the time of examination at 6 years of age...
November 29, 2016: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/27891086/circuits-regulating-pleasure-and-happiness-mechanisms-of-depression
#13
Anton J M Loonen, Svetlana A Ivanova
According to our model of the regulation of appetitive-searching vs. distress-avoiding behaviors, the motivation to display these essential conducts is regulated by two parallel cortico-striato-thalamo-cortical, re-entry circuits, including the core and the shell parts of the nucleus accumbens, respectively. An entire series of basal ganglia, running from the caudate nucleus on one side, to the centromedial amygdala on the other side, controls the intensity of these reward-seeking and misery-fleeing behaviors by stimulating the activity of the (pre)frontal and limbic cortices...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27888088/endoscopic-endonasal-management-of-rare-sellar-lesions-clinical-and-surgical-experience-on-78-cases-and-review-of-the-literature
#14
Teresa Somma, Domenico Solari, Andre Beer-Furlan, Lelio Guida, Bradley Otto, Daniel Prevedello, Luigi Maria Cavallo, Ricardo Carrau, Paolo Cappabianca
OBJECTIVE: In the present study we aim to provide further definition of a group of rare sellar pathologies treated by the endoscopic endonasal approach. MATHERIAL AND METHODS: A retrospective analysis of data obtained from a series of 1729 patients who underwent endoscopic endonasal surgery at two academic institutions (Università degli Studi di Napoli Federico II, Naples, Italy - between January 1997 and December 2013, and The Wexner Medical Center at The Ohio State University - between July 2010 and September 2015)...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27887910/assessment-of-serum-level-of-corticotropin-releasing-factor-in-primary-nocturnal-enuresis
#15
Ayat A Motawie, Amany M Abd Al-Aziz, Hanan M Hamed, Amany A A Fatouh, Mona A M Awad, Amany Abd El-Ghany
INTRODUCTION: Primary nocturnal enuresis is one of the sleep related phenomena characterized by disruption in the relationship between arousal and urination. Corticotropin-releasing factor (CRF) is a neurohormone released from the paraventricular nucleus of the hypothalamus into the median eminence to elicit release of adrenocorticotrophin from the anterior pituitary. It may act to modulate autonomic function and behavior in concert with the endocrine effects. Conflicting animal studies about the role of CRF in micturition, either facilitating or inhibiting, have been raised...
October 24, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27886515/discovery-of-novel-lipid-profiles-in-pcos-do-insulin-and-androgen-oppositely-regulate-bioactive-lipid-production
#16
Shengxian Li, Qianqian Chu, Jing Ma, Yun Sun, Tao Tao, Rong Huang, Yu Liao, Jiang Yue, Jun Zheng, Lihua Wang, Xinli Xue, Mingjiang Zhu, Xiaonan Kang, Huiyong Yin, Wei Liu
CONTEXT: Polycystic ovary syndrome (PCOS) is a complex syndrome showing clinical features of an endocrine/metabolic disorder, including hyperinsulinemia and hyperandrogenism. Polyunsaturated fatty acids (PUFAs) and their derivatives play important roles in inflammation and reproduction, and both of these are tightly linked to PCOS and obesity. OBJECTIVE: To investigate serum lipid profiles in newly diagnosed PCOS patients using lipidomics and correlate these features with the hyperinsulinemia and hyperandrogenism associated with PCOS and obesity...
November 25, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27886120/the-role-and-application-of-sirtuins-and-mtor-signaling-in-the-control-of-ovarian-functions
#17
REVIEW
Alexander V Sirotkin
The present short review demonstrates the involvement of sirtuins (SIRTs) in the control of ovarian functions at various regulatory levels. External and endocrine factors can affect female reproduction via SIRTs-mammalian target of rapamycin (mTOR) system, which, via hormones and growth factors, can in turn regulate basic ovarian functions (proliferation, apoptosis, secretory activity of ovarian cells, their response to upstream hormonal regulators, ovarian folliculo- and oogenesis, and fecundity). SIRTs and SIRTs-related signaling molecules and drugs regulating mTOR can be used for characterization, prediction, and regulation of ovarian functions, as well as for diagnostics and treatment of ovarian disorders...
November 24, 2016: Cells
https://www.readbyqxmd.com/read/27884168/ataxia-telangiectasia-a-review
#18
REVIEW
Cynthia Rothblum-Oviatt, Jennifer Wright, Maureen A Lefton-Greif, Sharon A McGrath-Morrow, Thomas O Crawford, Howard M Lederman
DEFINITION OF THE DISEASE: Ataxia telangiectasia (A-T) is an autosomal recessive disorder primarily characterized by cerebellar degeneration, telangiectasia, immunodeficiency, cancer susceptibility and radiation sensitivity. A-T is often referred to as a genome instability or DNA damage response syndrome. EPIDEMIOLOGY: The world-wide prevalence of A-T is estimated to be between 1 in 40,000 and 1 in 100,000 live births. CLINICAL DESCRIPTION: A-T is a complex disorder with substantial variability in the severity of features between affected individuals, and at different ages...
November 25, 2016: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/27882481/assessment-criteria-for-vitamin-d-deficiency-insufficiency-in-japan-proposal-by-an-expert-panel-supported-by-the-research-program-of-intractable-diseases-ministry-of-health-labour-and-welfare-japan-the-japanese-society-for-bone-and-mineral-research-and-the
#19
Ryo Okazaki, Keiichi Ozono, Seiji Fukumoto, Daisuke Inoue, Mika Yamauchi, Masanori Minagawa, Toshimi Michigami, Yasuhiro Takeuchi, Toshio Matsumoto, Toshitsugu Sugimoto
Vitamin D is indispensable for the maintenance of bone and mineral health. Inadequate vitamin D action increases the risk for various musculoskeletal/mineral events including fracture, fall, secondary hyperparathyroidism, diminished response to antiresorptives, rickets/osteomalacia, and hypocalcemia. Its most common cause in recent years is vitamin D deficiency/insufficiency, clinically defined by a low serum 25-hydroxyvitamin D [25(OH)D] level. Guidelines for vitamin D insufficiency/deficiency defined by serum 25(OH)D concentrations have been published all over the world...
November 23, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27876337/beneficial-effect-of-carvone-a-dietary-monoterpene-ameliorates-hyperglycemia-by-regulating-the-key-enzymes-activities-of-carbohydrate-metabolism-in-streptozotocin-induced-diabetic-rats
#20
Udaiyar Muruganathan, Subramani Srinivasan
Diabetes mellitus is a common metabolic/endocrine disorder characterized by inadequate control of carbohydrate metabolism and causes serious health issues. This study evaluates the effect of carvone, a novel monoterpene ketone, on carbohydrate metabolic enzymes in the liver of normal and streptozotocin (STZ)-induced diabetic rats. Diabetes was induced by a single intraperitoneal injection of STZ (40mg/kg b.w). STZ intoxication led to a significant increase in the levels of plasma glucose, glycosylated hemoglobin (HbA1c) and decrease in the levels of insulin and hemoglobin (Hb)...
November 19, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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