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https://www.readbyqxmd.com/read/28323944/from-pregnancy-to-preeclampsia-a-key-role-for-estrogens
#1
Nadia Berkane, Philippe Liere, Jean-Paul Oudinet, Alexandre Hertig, Guillaume Lefèvre, Nicola Pluchino, Michael Schumacher, Nathalie Chabbert-Buffet
Preeclampsia (PE) results of placental dysfunction and is one of the primary causes of maternal and fetal mortality and morbidity. During pregnancy, estrogen is produced primarily in the placenta by conversion of androgen precursors originating from maternal and fetal adrenal glands. These processes lead to increased plasma estrogen concentrations compared to non-pregnant women. Aberrant production of estrogens could play a key role in PE symptoms, since they are exclusively produced by the placenta and they promote angiogenesis and vasodilation...
March 3, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28320202/identification-and-expression-of-equine-mer-derived-mirnas
#2
Jeong-An Gim, Heui-Soo Kim
MicroRNAs (miRNAs) are single-stranded, small RNAs (21-23 nucleotides) that function in gene silencing and translational inhibition via the RNA interference mechanism. Most miRNAs originate from host genomic regions, such as intergenic regions, introns, exons, and transposable elements (TEs). Here, we focused on the palindromic structure of medium reiteration frequencies (MERs), which are similar to precursor miRNAs. Five MER consensus sequences (MER5A1, MER53, MER81, MER91C, and MER117) were matched with paralogous transcripts predicted to be precursor miRNAs in the horse genome (equCab2) and located in either intergenic regions or introns...
March 21, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28319498/fdopa-patterns-in-adrenal-glands-a-pictorial-essay
#3
Aurélie Moreau, Anne Laure Giraudet, David Kryza, Françoise Borson-Chazot, Claire Bournaud-Salinas, Thomas Mognetti, Jean-Christophe Lifante, Patrick Combemale, Francesco Giammarile, Claire Houzard
F-FDOPA is a well-established tool to explore pheochromocytomas. It tends to replace I-MIBG scan in metastatic pheochromocytomas, multiple endocrine neoplasia type 2-related tumors, succinate dehydrogenase [ubiquinone] iron-sulfur subunit-negative tumors, and succinate dehydrogenase[ZERO WIDTH SPACE]-positive lesions. To our knowledge, no study has characterized physiological and pathological adrenal glands with F-FDOPA from a quantitative point of view. We report the features of different normal and pathological adrenal glands with F-FDOPA...
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28318403/familial-cerebral-cavernous-malformations-are-associated-with-adrenal-calcifications-on-ct-scans-an-imaging-biomarker-for-a-hereditary-cerebrovascular-condition
#4
Corinne D Strickland, Steven C Eberhardt, Mary R Bartlett, Jeffrey Nelson, Helen Kim, Leslie A Morrison, Blaine L Hart
Purpose To determine if adrenal calcifications seen at computed tomography (CT) are associated with familial cerebral cavernous malformations (fCCMs) in carriers of the CCM1 Common Hispanic Mutation. Materials and Methods This study was approved by the institutional review board. The authors retrospectively reviewed abdominal CT scans in 38 patients with fCCM, 38 unaffected age- and sex-matched control subjects, and 13 patients with sporadic, nonfamilial cerebral cavernous malformation (CCM). The size, number, and laterality of calcifications and the morphologic characteristics of the adrenal gland were recorded...
March 20, 2017: Radiology
https://www.readbyqxmd.com/read/28316272/prenatal-noise-and-restraint-stress-interact-to-alter-exploratory-behavior-and-balance-in-juvenile-rats-and-mixed-stress-reverses-these-effects
#5
Soumeya Badache, Slim Bouslama, Oualid Brahmia, Abdel Madjid Baïri, Abdel Krim Tahraoui, Ali Ladjamaa
We aimed to investigate in adolescent rats the individual and combined effects of prenatal noise and restraint stress on balance control, exploration, locomotion and anxiety behavior. Three groups of pregnant rats were exposed to daily repeated stress from day 11 to day 19 of pregnancy: 3 min noise (Noise Stress, NS); 10 min restraint (Restraint Stress, RS); or 3 min noise followed by 10 min restraint (Mixed Stress, MS). On postnatal days (PND) 44, 45 and 46, four groups of male rats (Control, NS, RS:, MS; 16 rats each), were tested as follows: 1) Beam walking (BW), 2) Open Field (OF), and 3) Elevated plus maze (EPM)...
March 19, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28315498/primitive-neuroectodermal-tumour-of-kidney-with-thrombosis-of-the-inferior-vena-cava-and-good-responsive-to-surgical-and-medical-treatment-description-of-a-case-and-revision-of-literature
#6
Giovanni L Giliberto, Carmelo A Di Franco, Bruno Rovereto
Primitive neuroectodermal tumour (PNET) of kidney is a rare cancer typical of young adults with few cases described in the literature. We report a case of renal PNET in a 31-year-old man who presented to our department with a computed tomographic (CT)-scan revealing a large renal mass of 20 cm, massive thrombosis of the inferior vena cava (IVC). The patient underwent radical nephrectomy with contextual retroperitoneal lymphadenectomy and resection of IVC needing Dacron prosthesis substitution. Definitive histopathological examination showed PNET of kidney infiltrating ipsilateral adrenal gland, massive cava thrombosis with infiltration of vena cava wall and one lymph nodal metastasis...
March 15, 2017: Urologia
https://www.readbyqxmd.com/read/28299775/accuracy-of-adrenal-imaging-and-adrenal-venous-sampling-in-diagnosing-unilateral-primary-aldosteronism
#7
Roland Ladurner, Sandra Sommerey, Stefan Buechner, Anna Dietz, Christoph Degenhart, Klaus Hallfeldt, Julia Gallwas
INTRODUCTION: The correct differentiation between unilateral and bilateral adrenal involvement in patients with primary aldosteronism (PA) is of utmost importance to justify surgical treatment. The aim of this study was to determine the accuracy of adrenal imaging compared to adrenal venous sampling (AVS), histopathology and postoperative outcome. METHODS: The data of all patients with unequivocal AVS who underwent unilateral laparoscopic adrenalectomy for primary aldosteronism between May 2004 and April 2015 were entered in this retrospective study...
March 16, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28295350/anatomy-histology-and-ultrasonography-of-the-normal-adrenal-gland-in-brown-lemur-eulemur-fulvus
#8
Fidiniaina Raharison, Nathalie Bourges Abella, Jean Sautet, Alexandra Deviers, Giovanni Mogicato
BACKGROUND: The medical care currently to brown lemurs (Eulemur fulvus) is limited by a lack of knowledge of their anatomy. The aim of this study was to describe the anatomy and histology and obtain ultrasonographic measurements of normal adrenal glands in these animals. METHODS: The adrenal glands of four lemurs cadavers were used for the anatomical and histological studies, and those of 15 anesthetized lemurs were examined by ultrasonography. RESULTS: Anatomically, the adrenal glands of brown lemurs are comparable to those of other species...
February 16, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28294675/-tumor-of-posterior-mediastinum-rare-case-of-extramedullar-myelolipoma
#9
Tamás Zombori, Noémi Tóth, József Furák, Zsolt Berényi, László Tiszlavicz
CASE REPORT: A 71-year-old male with acute exacerbation of chronic bronchitis was treated in summer of 2015. The CT scan has revealed a mass on the right side of 11th thoracic vertebra in the adipose tissue with a sharp edge towards the lung and containing a small amount of contrast agent. The radiologist recommended histological sampling of the mass. The tumor was removed by Video-Assisted Thoracic Surgery (VATS) in August of 2015. The patient was discharged on the fifth postoperative day without complication...
March 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28294170/exploring-inter-organ-crosstalk-to-uncover-mechanisms-that-regulate-%C3%AE-cell-function-and-mass
#10
REVIEW
J Shirakawa, D F De Jesus, R N Kulkarni
Impaired β-cell function and insufficient β-cell mass compensation are twin pathogenic features that underlie type 2 diabetes (T2D). Current therapeutic strategies continue to evolve to improve treatment outcomes in different ethnic populations and include approaches to counter insulin resistance and improve β-cell function. Although the effects of insulin secretion on metabolic organs such as liver, skeletal muscle and adipose is directly relevant for improving glucose uptake and reduce hyperglycemia, the ability of pancreatic β-cells to crosstalk with multiple non-metabolic tissues is providing novel insights into potential opportunities for improving β-cell function and/or mass that could have beneficial effects in patients with diabetes...
March 15, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28287629/metabolic-disturbances-due-to-a-high-fat-diet-in-a-non-insulin-resistant-animal-model
#11
L Ramalho, M N da Jornada, L C Antunes, M P Hidalgo
OBJECTIVE: Shift workers have metabolic changes more often than day workers. It is also known that night workers prefer foods high in saturated fat. Such data suggest that shift workers are prone to cardiovascular disease. Therefore, the objective of this study was to propose an animal model to test the effect of high-fat diet (HFD) based on shift workers' diet. METHODS: This is an experimental study with 20 Wistar rats. Ten rats were allocated to the control group (CG) and were fed standard diet...
March 13, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28285963/clear-cell-colorectal-carcinoma-time-to-clarify-diagnosis
#12
Andrea Remo, Federica Grillo, Luca Mastracci, Matteo Fassan, Sokol Sina, Caterina Zanella, Pietro Parcesepe, Emanuele Damiano Urso, Massimo Pancione, Germana Bortuzzo, Aldo Scarpa, Erminia Manfrin
Primary clear cell colorectal carcinoma (CCC) is a very rare entity accounting for only 35 cases reported in the Literature. CCC is neither classified as a distinct entity nor is it defined as a CRC variant because its ontogeny remains unclear. Most of the reported CCC were found in the distal colon in patients with a mean age of 56 years. Histologically, clear cell change is the main morphologic feature and may present in a "pure" form, composed exclusively of clear cells, or in a "composite" form, admixed with other morphologically different components...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28285811/-composite-pheochromocytoma-a-rare-adrenal-tumor
#13
Gwladys Robinet, Nathalie Rioux-Leclercq, Andréa Manunta, Romain Mathieu, Frédérique Tissier, Benoit Peyronnet, Solène-Florence Kammerer-Jacquet
INTRODUCTION: Composite pheochromocytoma is a rare tumor of the adrenal medulla composed of pheochromocytoma and neuroblastic tumor. We report the case of a composite pheochromocytoma detected in a patient with neurofibromatosis type 1. CASE REPORT: A 61-year-old male patient presented occasional sweats with palpitation and moderate high blood pressure. Urinary catecholamine level was increased. CT scan showed a heterogeneous tumor limited to the adrenal gland. Histologically, the tumor showed two components: pheochromocytoma and ganglioneuroma and was diagnosed as a composite pheochromocytoma...
March 9, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28285211/ovarian-serous-cystadenoma-with-ectopic-adrenal-tissue-in-a-65-year-old-patient-a-case-report
#14
Çağdaş Şahin, Enes Taylan, Ali Akdemir, Osman Zekioglu, Parvane Seyidova, Ahmet Mete Ergenoglu
INTRODUCTION: Ectopic adrenal tissue is a very rare entity in adult females, especially in the ovary, and is generally diagnosed incidentally during surgery. Although it can present at various sites during childhood, it becomes atrophic by adulthood due to normally functioning adrenal glands. Patients are predominantly asymptomatic; however, in some cases endocrine symptoms such as hypertension and fasciotruncal obesity due to hormonal activity can be seen or neoplastic transformation can appear...
February 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28283731/-incidental-findings-of-the-kidneys-adrenal-glands-adnexa-uteri-gastrointestinal-tract-mesentery-and-lymph-nodes-assessment-and-management-recommendations
#15
M Scharitzer, D Tamandl, A Ba-Ssalamah
CLINICAL ISSUE: Besides the upper abdominal parenchymal organs, the increasing application of cross-sectional imaging has also led to a rising number of incidental findings in the kidneys, adrenal glands, adnexa uteri, the gastrointestinal tract, mesentery and abdominal lymph nodes. STANDARD RADIOLOGICAL METHODS: Abdominal computed tomography investigations often show unexpected findings without any correlating symptoms. The growing clinical relevance is due to the large number of incidental findings as well as an increasing awareness of ethical and socioeconomic factors...
March 10, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28283034/hypo-or-conventionally-fractionated-radiotherapy-combined-with-chemotherapy-in-patients-with-limited-stage-small-cell-lung-cancer
#16
Jing Zhang, Min Fan, Di Liu, Kuai-Le Zhao, Kai-Liang Wu, Wei-Xin Zhao, Zheng-Fei Zhu, Xiao-Long Fu
BACKGROUND: Previous data from our institution showed that hypofractionated thoracic radiotherapy (HypoTRT) with concurrent etoposide/platinum chemotherapy yielded favorable survival in patients with limited-stage small cell lung cancer (LS-SCLC). The present study retrospectively compared the survival outcomes, failure patterns and toxicities between groups of LS-SCLC patients treated with conventionally fractionated thoracic radiotherapy (ConvTRT) or HypoTRT combined with chemotherapy...
March 11, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28281046/successful-percutaneous-treatment-of-extrahepatic-cystic-echinococcosis-through-pair-and-single-puncture-catheter-techniques
#17
Serdar Arslan, Suleyman Bakdik, Fatih Oncu, Ismet Tolu, Mehmet Ali Eryilmaz
PURPOSE: To demonstrate the successful percutaneous treatment of extrahepatic cystic echinococcosis as an alternative to surgical procedures. MATERIALS AND METHODS: A total of 27 extrahepatic hydatid cysts in 12 patients, the spleen in 8 patients, muscles and soft tissues in 3 patients each and right adrenal gland in 1 patient were treated with PAIR (puncture, aspiration, injection, respiration) or single puncture catheterization methods. As a scolicidal and sclerosing agent, alcohol was used in all patients...
March 9, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28277127/a-successful-case-of-pregnancy-in-a-woman-with-acth-independent-cushing-s-syndrome-treated-with-ketoconazole-and-metyrapone
#18
Wojciech Zieleniewski, Renata Michalak
Cushing's syndrome (CS) is a rare disease caused by a chronic excess of cortisol. Hypercortisolaemia may affect reproductive system leading to infertility in women. However, some of the patients remain fertile, although pregnancy is uncommon. In our report, we describe the case of a 31-years old woman suffering from hypertension, oligomenorrhea, easy bruising, muscle weakness and elevated levels of cortisol. During hospitalization, high level of serum cortisol with stiff diurnal rhythm and undetectable plasma ACTH concentration were found...
February 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28277123/ambient-levels-of-concentrated-pm2-5-affects-cell-kinetics-in-adrenal-glands-an-experimental-study-in-mice
#19
Luiz Fernando Portugal Fuchs, Mariana Matera Veras, Paulo Hilário Nascimento Saldiva, Gisela Rodrigues da Silva Sasso, Kátia Cândido Carvalho, Manuel de Jesus Simões, José Maria Soares, Edmund Chada Baracat
We evaluated the effects of air pollution on the adrenal cortex using 30 female mice divided into two groups of fifteen animals each. One group was conditioned daily in a chamber with exposure to particulate matter (PM) 2.5 μm (GExp). Animals were exposed on daily basis in an ambient particles concentrator during the period of time enough to reach an accumulated dose of 600 μg/m(3), which corresponds to a 24-h exposure of 25 μg/m(3) that approximates to the annual mean of PM2.5 in São Paulo. The other group was allocated to another chamber with filtered air (GCrt)...
February 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28275717/the-arcuate-nucleus-a-site-of-fast-negative-feedback-for-corticosterone-secretion-in-male-rats
#20
Luis Leon-Mercado, Daniela Herrera Moro Chao, María Del Carmen Basualdo, Mitsuhiro Kawata, Carolina Escobar, Ruud M Buijs
Variations in circulating corticosterone (Cort) are driven by the paraventricular nucleus of the hypothalamus (PVN), mainly via the sympathetic autonomic nervous system (ANS) directly stimulating Cort release from the adrenal gland and via corticotropin-releasing hormone targeting the adenohypophysis to release adrenocorticotropic hormone (ACTH). Cort feeds back through glucocorticoid receptors (GRs). Here we show in male Wistar rats that PVN neurons projecting to the adrenal gland do not express GRs, leaving the question of how the ANS in the PVN gets information about circulating Cort levels to control the adrenal...
January 2017: ENeuro
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