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https://www.readbyqxmd.com/read/28453685/phenocurve-capturing-dynamic-phenotype-environment-relationships-using-phenomics-data
#1
Yifan Yang, Lei Xu, Zheyun Feng, Jeffrey A Cruz, Linda J Savage, David M Kramer, Jin Chen
Motivation: Phenomics is essential for understanding the mechanisms that regulate or influence growth, fitness, and development. Techniques have been developed to conduct high-throughput large-scale phenotyping on animals, plants and humans, aiming to bridge the gap between genomics, gene functions and traits. Although new developments in phenotyping techniques are exciting, we are limited by the tools to analyze fully the massive phenotype data, especially the dynamic relationships between phenotypes and environments...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28453658/androgen-receptor-agonists-increase-lean-mass-improve-cardiopulmonary-functions-and-extend-survival-in-preclinical-models-of-duchenne-muscular-dystrophy
#2
Suriyan Ponnusamy, Ryan D Sullivan, Dahui You, Nadeem Zafar, Chuan He Yang, Thirumagal Thiyagarajan, Daniel L Johnson, Maron L Barrett, Nikki J Koehler, Mayra Star, Erin J Stephenson, Dave Bridges, Stephania A Cormier, Lawrence M Pfeffer, Ramesh Narayanan
Duchenne muscular dystrophy (DMD) is a neuromuscular disease that predominantly affects boys as a result of mutation(s) in the dystrophin gene. DMD is characterized by musculoskeletal and cardiopulmonary complications, resulting in shorter life-span. Boys afflicted by DMD typically exhibit symptoms within 3-5 years of age and declining physical functions before attaining puberty. We hypothesized that rapidly deteriorating health of pre-pubertal boys with DMD could be due to diminished anabolic actions of androgens in muscle, and that intervention with an androgen receptor (AR) agonist will reverse musculoskeletal complications and extend survival...
April 27, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28453343/acute-isolated-flexor-tendon-laceration-associated-with-a-distal-radius-fracture
#3
J Ryan Hill, Ram K Alluri, Alidad Ghiassi
BACKGROUND: Subacute rupture of the flexor tendons secondary to distal radius fractures is well documented. Recently, accounts of flexor tendon rupture following open reduction internal fixation have been associated with volar plate fixation. However, discovery of an occult traumatic flexor tendon laceration during fixation of an acute distal radius fracture is not well described. This case indicates the importance of careful preoperative and intraoperative examination of the flexor tendons in the setting of comminuted distal radius fractures...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28453337/venous-bridge-arterial-grafting-for-thumb-replantation
#4
Eric R Wagner, Allen T Bishop, Alexander Y Shin
BACKGROUND: The purpose of this study is to describe a novel technique using an interposition vein graft for thumb replantation in these severe avulsion injuries. METHODS: From 2002 to 2012, 8 patients underwent interposition venous bridge grafting from the dorsal radial artery at the anatomic snuffbox to the ulnar digital artery of the thumb. All patients had a traumatic thumb amputation with a severe injury to the ulnar digital artery. The technique began with bony stabilization; the radial artery at the anatomic snuffbox is exposed, vein graft harvested, and microsurgical end-to-side (proximally) and end-to-end (distally) anastomoses are carried out...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28453247/building-an-electronic-bridge-via-ag-decoration-to-enhance-kinetics-of-iron-fluoride-cathode-in-lithium-ion-batteries
#5
Yu Li, Xingzhen Zhou, Ying Bai, Guanghai Chen, Zhaohua Wang, Hui Li, Feng Wu, Chuan Wu
As a typical multi-electron cathode material for lithium ion batteries, iron fluoride (FeF3) and its analogues suffer from poor electronic conductivity and low actual specific capacity. Herein, we introduce Ag nanoparticles by silver mirror reaction into the FeF3·0.33H2O cathode to build the electronic bridge between the solid (active materials) and liquid (electrolyte) interface. The crystal structures of as-prepared samples are characterized by XRD and Rietveld refinement. Moreover, the density of states (DOS) of FeF3·0...
April 28, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28449350/scandiatransplant-acceptable-mismatch-program-stamp-a-bridge-to-transplanting-highly-immunized-patients
#6
P Koefoed-Nielsen, I Weinreich, M Bengtsson, J Lauronen, C Naper, M Gäbel, S S Sørensen, L Wennberg, A V Reisaeter, B K Møller
BACKGROUND: Highly immunized patients are a challenge for organ transplantation programs. One way of increasing the likelihood of transplantation in this group of patients is to expand the possible donations by defining acceptable HLA mismatches. In the Scandiatransplant Acceptable Mismatch Program (STAMP), a de-centralized approach has been implemented in 2009. AIMS: The program has been improved during the years from utilizing HLA-A, -B, -DR matching only to include typing of all deceased donors for HLA-A, -B, -C, -DRB1 and -DQB1...
April 27, 2017: HLA
https://www.readbyqxmd.com/read/28449295/kbg-syndrome-an-australian-experience
#7
Natalia Murray, Bronwyn Burgess, Robin Hay, Alison Colley, Sulekha Rajagopalan, Julie McGaughran, Chirag Patel, Annabelle Enriquez, Linda Goodwin, Zornitza Stark, Tiong Tan, Meredith Wilson, Tony Roscioli, Mustafa Tekin, Himanshu Goel
In 2011, heterozygous mutations in the ANKRD11 gene were identified in patients with KBG syndrome. Since then, 100 cases have been described with the expansion of the clinical phenotype. Here we present 18 KBG affected individuals from 13 unrelated families, 16 with pathogenic mutations in the ANKRD11 gene. Consistent features included intellectual disability, macrodontia, and the characteristic broad forehead with hypertelorism, and a prominent nasal bridge. Common features included hand anomalies, cryptorchidism, and a large number of palate abnormalities...
April 27, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28449046/prone-positioning-as-a-bridge-to-recovery-from-refractory-hypoxaemia-following-lung-transplantation%C3%A2
#8
Jordi Riera, Carolina Maldonado, Cristopher Mazo, María Martínez, Jaume Baldirà, Leonel Lagunes, Salvador Augustin, Antonio Roman, Maria Due, Jordi Rello, Deborah J Levine
OBJECTIVES: Refractory hypoxaemia is the leading cause of mortality in the postoperative period after lung transplantation. The role of prone positioning as a rescue therapy in this setting has not been assessed. We evaluated its effects in lung transplant recipients presenting refractory hypoxaemia following the surgery. METHODS: Prospectively collected data from 131 consecutive adult patients undergoing lung transplantation between January 2013 and December 2014 were evaluated...
April 25, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28448925/geostatistics-as-a-tool-to-improve-the-natural-background-level-definition-an-application-in-groundwater
#9
Nico Dalla Libera, Paolo Fabbri, Leonardo Mason, Leonardo Piccinini, Marco Pola
The Natural Background Level (NBL), suggested by UE BRIDGE project, is suited for spatially distributed datasets providing a regional value that could be higher than the Threshold Value (TV) set by every country. In hydro-geochemically dis-homogeneous areas, the use of a unique regional NBL, higher than TV, could arise problems to distinguish between natural occurrences and anthropogenic contaminant sources. Hence, the goal of this study is to improve the NBL definition employing a geostatistical approach, which reconstructs the contaminant spatial structure accounting geochemical and hydrogeological relationships...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448678/slow-medicine-the-barrier-on-the-bridge
#10
Charles G Kerrigan
No abstract text is available yet for this article.
May 1, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28448672/correlation-between-the-inflammatory-marker-hla-dr-and-signs-and-symptoms-in-moderate-to-severe-dry-eye-disease
#11
Françoise Brignole-Baudouin, Luisa Riancho, Dahlia Ismail, Maëva Deniaud, Mourad Amrane, Christophe Baudouin
Purpose: To investigate correlations of the inflammatory HLA-DR marker with clinical signs and symptoms commonly used to assess dry eye disease (DED) severity. Methods: Baseline data were collected from three clinical studies conducted on moderate to severe DED patients. Characteristics of DED were analyzed and correlations were performed in 311 patients. Data were analyzed after treatment with 1 mg/mL cyclosporine (CsA) and vehicle. We quantified HLA-DR by flow cytometry in impression cytology specimens...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28448580/sildenafil-normalizes-bowel-transit-in-preclinical-models-of-constipation
#12
Sarah K Sharman, Bianca N Islam, Yali Hou, Margaux Usry, Allison Bridges, Nagendra Singh, Subbaramiah Sridhar, Satish Rao, Darren D Browning
Guanylyl cyclase-C (GC-C) agonists increase cGMP levels in the intestinal epithelium to promote secretion. This process underlies the utility of exogenous GC-C agonists such as linaclotide for the treatment of chronic idiopathic constipation (CIC) and irritable bowel syndrome with constipation (IBS-C). Because GC-C agonists have limited use in pediatric patients, there is a need for alternative cGMP-elevating agents that are effective in the intestine. The present study aimed to determine whether the PDE-5 inhibitor sildenafil has similar effects as linaclotide on preclinical models of constipation...
2017: PloS One
https://www.readbyqxmd.com/read/28448421/multislice-computed-tomography-assessment-of-tracheobronchial-patterns-in-partial-anomalous-left-pulmonary-artery
#13
Shi-Yu Wang, Wei Gao, Yu-Min Zhong, Ai-Min Sun, Qian Wang, Li-Wei Hu, Hai-Sheng Qiu, Jian-Ying Li, Richard B Jaffe
OBJECTIVE: The aim of this study was to present relationship between partial anomalous left pulmonary artery (PALPA) and the tracheobronchial tree and patterns of the tracheobronchial tree assessed by multislice computed tomography (MSCT). METHODS: Nine patients were assessed by MSCT. The relationships between the tracheobronchial tree and PALPA and different tracheobronchial patterns, location of tracheobronchial stenosis, severity of stenosis, and associated cardiac defects were evaluated...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448170/mechanical-circulatory-support-devices-methods-to-optimize-hemodynamics-during-use
#14
Ben Bow Chung, Gabriel Sayer, Nir Uriel
Introduction Mechanical circulatory support (MCS) is an increasingly utilized mode of therapy in the management of advanced heart failure, both as bridge to heart transplantation and destination therapy. As MCS becomes more prevalent, it is ever more important to understand the complex hemodynamics of these devices, as well as the strategies for hemodynamic optimization. Areas Covered This review provides an overview of hemodynamics in the normal human heart and the failing heart. We discuss the various short-term mechanical circulatory support devices and their hemodynamic consequences...
April 27, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28448015/quantification-of-strain-in-a-porcine-model-of-skin-expansion-using-multi-view-stereo-and-isogeometric-kinematics
#15
Adrian Buganza Tepole, Elbert E Vaca, Chad A Purnell, Michael Gart, Jennifer McGrath, Ellen Kuhl, Arun K Gosain
Tissue expansion is a popular technique in plastic and reconstructive surgery that grows skin in vivo for correction of large defects such as burns and giant congenital nevi. Despite its widespread use, planning and executing an expansion protocol is challenging due to the difficulty in measuring the deformation imposed at each inflation step and over the length of the procedure. Quantifying the deformation fields is crucial, as the distribution of stretch over time determines the rate and amount of skin grown at the end of the treatment...
April 16, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447543/human-egf-derived-direct-and-reverse-short-linear-motifs-conformational-dynamics-insight-into-the-receptor-binding-residues
#16
Nurbubu T Moldogazieva, Konstantin V Shaitan, Mikhail Yu Antonov, Innokenty M Mokhosoev, Olga V Levtsova, Аlexander A Terentiev
Short linear motifs (SLiMs) have been recognized to perform diverse functions in a variety of regulatory proteins through the involvement in protein-protein interactions, signal transduction, cell cycle regulation, protein secretion, etc. However, detailed molecular mechanisms underlying their functions including roles of definite amino acid residues remain obscure. In our previous studies, we demonstrated that conformational dynamics of amino acid residues in oligopeptides derived from regulatory proteins such as alpha-fetoprotein (AFP), carcino-embryonic antigen (CEA) and pregnancy specific β1-glycoproteins (PSGs) contributes greatly to their biological activities...
April 27, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28447347/abundance-of-the-benign-melanocytic-universe-dermoscopic-histopathological-correlation-in-nevi
#17
REVIEW
Nora Woltsche, Karin Schmid-Zalaudek, Teresa Deinlein, Katrin Rammel, Rainer Hofmann-Wellenhof, Iris Zalaudek
The broad universe of "melanocytic nevi" includes a variety of different subtypes, which can be classified either due to their morphology, epidemiology, genetic alterations or risk for developing melanoma. Regarding morphology, on the one hand macroscopic/clinical and on the other hand histopathological appearance were used to subdivide in the past, often resulting in confusion and poor interobserver agreement, while nowadays dermoscopy presents the clinician's precious bridge between naked-eye examination and histopathological diagnostics, allowing prediction of the lesions' histopathology, follow up and monitoring over time without need of excision...
May 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28447002/alternative-conduits-for-esophageal-replacement
#18
Ankur Bakshi, David J Sugarbaker, Bryan M Burt
Replacement of the native esophagus after esophagectomy is a problem that has challenged surgeons for over a century. Not only must the conduit be long enough to bridge the distance between the cervical esophagus and the abdomen, it must also have a reliable vascular supply and be sufficiently functional to allow for deglutition. The stomach, jejunum, and colon (right, left or transverse) have all been proposed as potential solutions. The stomach has gained favor for its length, reliable vascular supply and need for only a single anastomosis...
March 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28446969/micrornas-pleiotropic-players-in-congenital-heart-disease-and-regeneration
#19
REVIEW
Sarah C Hoelscher, Stefanie A Doppler, Martina Dreßen, Harald Lahm, Rüdiger Lange, Markus Krane
Congenital heart disease (CHD) is the leading cause of infant death, affecting approximately 4-14 live births per 1,000. Although surgical techniques and interventions have improved significantly, a large number of infants still face poor clinical outcomes. MicroRNAs (miRs) are known to coordinately regulate cardiac development and stimulate pathological processes in the heart, including fibrosis or hypertrophy and impair angiogenesis. Dysregulation of these regulators could therefore contribute (I) to the initial development of CHD and (II) at least partially to the observed clinical outcomes of many CHD patients by stimulating the aforementioned pathways...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28446853/the-role-of-health-extension-workers-in-linking-pregnant-women-with-health-facilities-for-delivery-in-rural-and-pastoralist-areas-of-ethiopia
#20
Ruth Jackson, Assefa Hailemariam
BACKGROUND: Women's preference to give birth at home is deeply embedded in Ethiopian culture. Many women only go to health facilities if they have complications during birth. Health Extension Workers (HEWs) have been deployed to improve the utilization of maternal health services by bridging the gap between communities and health facilities. This study examined the barriers and facilitators for HEWs as they refer women to mid-level health facilities for birth. METHODS: A qualitative study was conducted in three regions: Afar Region, Southern Nations Nationalities and People's Region and Tigray Region between March to December 2014...
September 2016: Ethiopian Journal of Health Sciences
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