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https://www.readbyqxmd.com/read/28521865/exaggerated-glucagon-responses-to-hypoglycemia-in-women-with-polycystic-ovary-syndrome
#1
Susan Sam, Priyathama Vellanki, Sudha K Yalamanchi, Richard N Bergman, Andrea Dunaif
CONTEXT: Premenopausal women have blunted counter-regulatory hormone responses (CRR) to hypoglycemia compared to men. Postmenopausal women have CRR similar to men; the premenopausal pattern can be restored by estrogen. However, glucagon and pancreatic polypeptide (PP) responses remain lower in postmenopausal women than in men. Since hyperandrogenemia contributes to the metabolic phenotype of polycystic ovary syndrome (PCOS), we hypothesize that CRR to hypoglycemia especially of glucagon and PP is exaggerated in premenopausal women with PCOS compared to premenopausal control women...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28469356/submucosal-tunneling-endoscopic-resection-of-upper-gastrointestinal-tract-tumors-arising-from-muscularis-propria
#2
REVIEW
Deepanshu Jain, Aakash Desai, Ejaz Mahmood, Shashideep Singhal
The management of incidentally discovered small upper gastrointestinal (GI) tract submucosal tumors (SMT) remains debatable. In this review, we summarize the evolving experience with submucosal tunneling endoscopic resection (STER) of upper GI SMTs originating from the muscularis propria. From 16 original studies, we reviewed a total of 703 patients with 736 lesions. Of these, 436 were located in the esophagus, 146 in the esophagogastric junction (EGJ) and 154 in the stomach. The composite complete resection rate (CRR) for STER of upper GI tumors arising from the muscularis propria layer was 99...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28447341/chemotherapy-alone-versus-chemotherapy-plus-radiotherapy-for-adults-with-early-stage-hodgkin-lymphoma
#3
REVIEW
Oliver Blank, Bastian von Tresckow, Ina Monsef, Lena Specht, Andreas Engert, Nicole Skoetz
BACKGROUND: Combined modality treatment consisting of chemotherapy followed by localised radiotherapy is the standard treatment for patients with early stage Hodgkin lymphoma (HL). However, due to long- term adverse effects such as secondary malignancies the role of radiotherapy has been questioned recently and some clinical study groups advocate chemotherapy only for this indication. OBJECTIVES: To assess the effects of chemotherapy alone compared to chemotherapy plus radiotherapy in adults with early stage HL ...
April 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28418519/association-of-diet-with-skin-histological-features-in-uv-b-exposed-mice
#4
Tapan K Bhattacharyya, Yvonne Hsia, David M Weeks, Tatiana K Dixon, Jessica Lepe, J Regan Thomas
Importance: Long-term exposure to solar radiation produces deleterious photoaging of the skin. It is not known if diet can influence skin photoaging. Objectives: To study the influence of a calorie-restricted diet and an obesity diet in mice exposed to long-term UV-B irradiation to assess if there is an association between diet and histopathological response to UV-B irradiation. Design, Setting, and Participants: In this animal model study in an academic setting, the dorsal skin of SKH1 hairless mice receiving normal, calorie-restricted, and obesity diets was exposed to UV-B irradiation 3 times a week for 10 weeks and were compared with corresponding controls...
April 13, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28385454/local-therapy-improves-survival-in-metastatic-prostate-cancer
#5
Sami-Ramzi Leyh-Bannurah, Stéphanie Gazdovich, Lars Budäus, Emanuele Zaffuto, Alberto Briganti, Firas Abdollah, Francesco Montorsi, Jonas Schiffmann, Mani Menon, Shahrokh F Shariat, Margit Fisch, Felix Chun, Thomas Steuber, Hartwig Huland, Markus Graefen, Pierre I Karakiewicz
BACKGROUND: Treatment of the primary, termed local therapy (LT), may improve survival in metastatic prostate cancer (mPCa) versus no local therapy (NLT). OBJECTIVE: To assess cancer-specific mortality (CSM) after LT versus NLT in mPCa. DESIGN, SETTING, AND PARTICIPANTS: Within the Surveillance, Epidemiology and End Results database (2004-2013), 13 692 mPCa patients were treated with LT (radical prostatectomy [RP] or radiation therapy [RT]) or NLT...
April 3, 2017: European Urology
https://www.readbyqxmd.com/read/28321894/light-respiration-by-subtropical-seaweeds
#6
Matheus C Carvalho, Bradley D Eyre
Here, we report the first-ever measurements of light CO2 respiration rate (CRR) by seaweeds. We measured the influence of temperature (15-25°C) and light (irradiance from 60 to 670 μmol · m(-2)  · s(-1) ) on the light CCR of two subtropical seaweed species, and measured the CRR of seven different seaweed species under the same light (150 μmol · m(-2)  · s(-1) ) and temperature (25°C). There was little effect of irradiance on light CRR, but there was an effect of temperature. Across the seven species light CRR was similar to OCR (oxygen consumption rate in the dark), with the exception of a single species...
March 20, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28290247/modulation-of-retinal-arteriolar-central-reflection-by-apoe-genotype
#7
Shaun Frost, Alauddin Bhuiyan, David Offerman, James D Doecke, S Lance Macaulay, Hamid R Sohrabi, David Ames, Colin Masters, Ralph N Martins, Yogesan Kanagasingam, Aibl Research Group
This study investigated the retinal arteriolar central reflex (CR, the central reflection observed in photographs of retinal vessels), which may provide information about micro-vascular health in the retina and also the brain, due to the homology between these vascular networks. The study also describes a novel computer based semi-automated technique that accurately quantifies retinal arteriolar CR and vessel width, and calculates the CR to vessel width ratio (CRR) from digital retinal photographs. Digital retinal photographs were collected from participants in the Australian Imaging, Biomarkers and Lifestyle study of ageing (AIBL), including 25 participants diagnosed with Alzheimer's disease (AD) (age 72...
March 9, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28269291/on-the-invariance-of-eeg-based-signatures-of-individuality-with-application-in-biometric-identification
#8
Yunqi Wang, Laleh Najafizadeh
One of the main challenges in EEG-based biometric systems is to extract reliable signatures of individuality from recorded EEG data that are also invariant against time. In this paper, we investigate the invariability of features that are extracted based on the spatial distribution of the spectral power of EEG data corresponding to 2-second eyes-closed resting-state (ECRS) recording, in different scenarios. Eyes-closed resting-state EEG signals in 4 healthy adults are recorded in two different sessions with an interval of at least one week between sessions...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28251126/survival-analysis-in-the-presence-of-competing-risks
#9
EDITORIAL
Zhongheng Zhang
Survival analysis in the presence of competing risks imposes additional challenges for clinical investigators in that hazard function (the rate) has no one-to-one link to the cumulative incidence function (CIF, the risk). CIF is of particular interest and can be estimated non-parametrically with the use cuminc() function. This function also allows for group comparison and visualization of estimated CIF. The effect of covariates on cause-specific hazard can be explored using conventional Cox proportional hazard model by treating competing events as censoring...
February 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28242601/a-genetic-study-of-the-regeneration-capacity-of-embryonic-callus-from-the-maize-immature-embryo-culture
#10
Zhang Xiaoling, Long Yun, Ge Fei, Guan Zhongrong, Zhang Xiaoxiang, Wang Yanli, Shen Yaou, Pan Guangtang
We carried out a study of regeneration capacities of embryonic callus from maize immature embryo culture with 144 different inbred lines of natural groups from different countries, and found that the regeneration capacity was affected by three factors: environment, genotype and the interaction between the environment and genotype. We found that green embryonic callus rate (GCR), embryonic callus differentiating rate (CDR) and the plantlet number of embryonic callus regeneration (CPN) have significant positive correlations with each other, and they all have significant negative correlations with embryonic callus browning rate (CBR)...
February 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28227527/on-the-invariance-of-eeg-based-signatures-of-individuality-with-application-in-biometric-identification
#11
Yunqi Wang, Laleh Najafizadeh, Yunqi Wang, Laleh Najafizadeh, Yunqi Wang, Laleh Najafizadeh
One of the main challenges in EEG-based biometric systems is to extract reliable signatures of individuality from recorded EEG data that are also invariant against time. In this paper, we investigate the invariability of features that are extracted based on the spatial distribution of the spectral power of EEG data corresponding to 2-second eyes-closed resting-state (ECRS) recording, in different scenarios. Eyes-closed resting-state EEG signals in 4 healthy adults are recorded in two different sessions with an interval of at least one week between sessions...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28162880/surgical-management-of-periprosthetic-shoulder-infections
#12
Geoffrey P Stone, Rachel E Clark, Kathleen C O'Brien, Lisa Vaccaro, Peter Simon, Adam J Lorenzetti, Brent C Stephens, Mark A Frankle
BACKGROUND: The treatment of periprosthetic joint infection is a difficult challenge in shoulder arthroplasty. This study investigated 1-stage modular component exchange vs. 1-stage complete removal and reimplantation (CRR) vs. 2-stage revision arthroplasty for periprosthetic joint infection. METHODS: Between January 1, 2004, and December 31, 2012, 79 patients received a component exchange (n = 15), CRR (n = 45), or a 2-stage (n = 19) revision for infection. A binary logistic regression analysis was performed to determine factors presenting the greatest risk of reinfection...
February 2, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28132804/avrxa27-binding-influences-unwinding-of-the-double-stranded-dna-in-the-upt-box
#13
Jing Zhao, Bo Zhang, Junpeng Jiang, Nanv Liu, Qi Wei, Xuguang Xi, Jing Fu
Transcription-Activator Like (TAL) effectors, delivered by Xanthomonas pathogens bind specifically to UP-regulated by TAL effectors (UPT) box of the host gene promoter to arouse disease or trigger defense response. This type of protein-DNA interaction model has been applied in site-directed genome editing. However, the off-target effects of TAL have severely hindered the development of this promising technology. To better exploit the specific interaction and to deeper understand the TAL-induced host transcription rewiring, the binding between the central repeat region (CRR) of the TAL effector AvrXa27 and its UPT box variants was studied by kinetics analysis and TAL-blocked helicase unwinding assay...
January 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28093639/the-effectiveness-of-radiotherapy-for-leukemia-cutis
#14
Khaled Elsayad, Michael Oertel, Uwe Haverkamp, Hans Theodor Eich
BACKGROUND: Leukemia cutis (LC) is a rare clinical presentation of leukemia that is associated with poor prognosisabs. To date, the value of radiotherapy (RT) for the treatment of LC remains controversial. Therefore, the aim of this study was to analyse the effectiveness of various RT doses for LC. METHODS AND MATERIALS: Between January 2000 and January 2016, 13 patients underwent RT at our institution after exhibiting progressive disease following other treatment modalities...
May 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28092798/acute-kidney-injury-and-risk-of-deep-vein-thrombosis-and-pulmonary-embolism-in-taiwan-a-nationwide-retrospective-cohort-study
#15
Tsung-Hang Kuo, Hsin-Yang Li, Sheng-Hsiang Lin
INTRODUCTION: Chronic kidney disease (CKD) increases risk for deep vein thrombosis (DVT) and pulmonary embolism (PE). However, few studies have investigated the relationship between acute kidney injury (AKI) and risk of DVT and PE. Therefore, we conducted a nationwide longitudinal cohort study to determine whether patients with AKI are associated with increased risk of developing DVT and PE. METHODS: We included >30years-old inpatients (n=4734) receiving the diagnosis of AKI from 2000 to 2006 and their age-and sex-matched non-AKI inpatients using medical service in the same year (n=47...
March 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28078363/short-term-outcome-after-total-hip-arthroplasty-using-dual-mobility-cup-report-from-lithuanian-arthroplasty-register
#16
Sarunas Tarasevicius, Alfredas Smailys, Kazimieras Grigaitis, Otto Robertsson, Justinas Stucinskas
PURPOSE: The purpose of the study was to investigate how the use of dual-mobility cups (DMCs) affected the risk of revision due to dislocation as well as overall risk of revision compared with a conventional total hip arthroplasty (THA) system in the short term. METHODS: A total of 12,657 primary THAs were registered from the start of 2011 to the end of 2014. 620 THAs were with DMCs. For comparison, we included all registered THAs with Exeter cup and a cemented Exeter stem combined with 28-mm femoral head...
March 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28053304/-differences-in-the-recognition-of-occupational-diseases-by-sex-occupation-and-business-activity-in-spain-1990-2009
#17
Montserrat García Gómez, Rosario Castañeda López, Zaida Herrador Ortiz, Fernando Simón Soria
BACKGROUND: According to official statistics, men suffer more occupational diseases (OD) than women. Nevertheless, the unequal distribution and participation in the labor markets between men and women should be kept in mind. The purpose was to assess the gender impact in the recognition of OD in Spain, examining interaction and confounding factors. METHODS: An incidence study of the occupational diseases declared through the official OD reporting forms from 1999 to 2009, provided by the General Subdirectorate of Social and Labor Statistics of the Ministry of Employment and Social Security, was conducted...
January 9, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/28047708/th-cd-207a-05-lung-surface-deformation-vector-fields-prediction-by-monitoring-respiratory-surrogate-signals
#18
J Nasehi Tehrani, A McEwan, J Wang
PURPOSE: In this study, we developed and evaluated a method for predicting lung surface deformation vector fields (SDVFs) based on surrogate signals such as chest and abdomen motion at selected locations and spirometry measurements. METHODS: A Patient-specific 3D triangular surface mesh of the lung region at end-expiration (EE) phase was obtained by threshold-based segmentation method. For each patient, a spirometer recorded the flow volume changes of the lungs; and 192 selected points at a regular spacing of 2cm X 2cm matrix points over a total area of 34cm X 24cm on the surface of chest and abdomen was used to detect chest wall motions...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27965027/a-functional-centromere-lacking-cento-sequences-in-a-newly-formed-ring-chromosome-in-rice
#19
Rui Yang, Yafei Li, Yan Su, Yi Shen, Ding Tang, Qiong Luo, Zhukuan Cheng
An awned rice (Oryza sativa) plant carrying a tiny extra chromosome was discovered among the progeny of a telotrisomic line 2n+4L. Fluorescence in situ hybridization (FISH) using chromosome specific BAC clones revealed that this extra chromosome was a ring chromosome derived from part of the long arm of chromosome 4. So the aneuploidy plant was accordingly named as 2n+4L ring. We did not detect any CentO FISH signals on the ring chromosome, and found only the centromeric probe Centromeric Retrotransposon of Rice (CRR) was co-localized with the centromere-specific histone CENH3 as revealed by sequential FISH after immunodetection...
December 20, 2016: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/27914243/efficacy-and-safety-of-bevacizumab-containing-neoadjuvant-therapy-followed-by-interval-debulking-surgery-in-advanced-ovarian-cancer-results-from-the-anthalya-trial
#20
Roman Rouzier, Sébastien Gouy, Frédéric Selle, Eric Lambaudie, Anne Floquet, Virginie Fourchotte, Christophe Pomel, Pierre-Emmanuel Colombo, Elsa Kalbacher, Sandrine Martin-Francoise, Raffaele Fauvet, Philippe Follana, Anne Lesoin, Fabrice Lecuru, Youssef Ghazi, Julien Dupin, Elisabeth Chereau, Sarah Zohar, Paul Cottu, Florence Joly
AIM: To investigate whether adding bevacizumab to neoadjuvant carboplatin-paclitaxel (CP) helps achieve optimal debulking, measured by complete resection rate (CRR) at interval debulking surgery (IDS), in patients with initially unresectable International Federation of Gynecology and Obstetrics stage IIIC/IV ovarian, tubal or peritoneal adenocarcinoma. METHODS: Multicentre, open-label, non-comparative phase II study. Ninety-five patients randomised (2:1) to receive four cycles of neoadjuvant CP ±3 concomitant cycles of bevacizumab 15 mg/kg (BCP) followed by IDS...
January 2017: European Journal of Cancer
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