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https://www.readbyqxmd.com/read/28637337/matrix-completion-with-side-information-and-its-applications-in-predicting-the-antigenicity-of-influenza-viruses
#1
Li Huang, Xianhong Li, Pengfei Guo, Yuhua Yao, Bo Liao, Weiwei Zhang, Fayou Wang, Jiasheng Yang, Yulong Zhao, Hailiang Sun, Pingan He, Jialiang Yang
Motivation: Low-rank matrix completion has been demonstrated to be powerful in predicting antigenic distances among influenza viruses and vaccines from partially revealed hemagglutination inhibition (HI) table. Meanwhile, influenza hemagglutinin (HA) protein sequences are also effective in inferring antigenic distances. Thus, it is natural to integrate HA protein sequence information into low-rank matrix completion model to help infer influenza antigenicity, which is critical to influenza vaccine development...
June 16, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28637322/predicting-perceived-isolation-among-midlife-and-older-lgbt-adults-the-role-of-welcoming-aging-service-providers
#2
Jie Yang, Yoosun Chu, Mary Anne Salmon
Background and Objectives: Older lesbian, gay, bisexual, and transgender (LGBT) adults are more likely to live alone and less likely to have children compared with their heterosexual counterparts. The lack of immediate family system can render older LGBT adults particularly vulnerable to social isolation and its consequences. The current study utilizes social exclusion theory, which asserts that not only material resources but also engagement with and inclusion into the society are necessary for marginalized people to be integrated into the mainstream...
June 16, 2017: Gerontologist
https://www.readbyqxmd.com/read/28637297/a-role-for-progesterone-regulated-sfrp4-expression-in-uterine-leiomyomas
#3
Meaghan A Delaney, Ying-Wooi Wan, Gyoung-Eun Kim, Chad J Creighton, Margaret G Taylor, Ramya Masand, Andrew Park, Cecilia Valdes, William Gibbons, Zhandong Liu, Matthew L Anderson
Context: Despite progesterone's key role in uterine smooth muscle tumorigenesis, the mechanisms by which it promotes the growth of uterine leiomyomas remain poorly understood. Objective: The aim of this study was to identify novel gene products mediating progesterone's effects in uterine leiomyomas. Design: Gene expression profiling was used to identify putative progesterone-regulated genes differentially expressed in uterine leiomyomas, which were then studied in vitro...
June 14, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28637236/the-ribosome-assembly-gene-network-is-controlled-by-the-feedback-regulation-of-transcription-elongation
#4
Fernando Gómez-Herreros, Thanasis Margaritis, Olga Rodríguez-Galán, Vicent Pelechano, Victoria Begley, Gonzalo Millán-Zambrano, Macarena Morillo-Huesca, Mari Cruz Muñoz-Centeno, José E Pérez-Ortín, Jesús de la Cruz, Frank C P Holstege, Sebastián Chávez
Ribosome assembly requires the concerted expression of hundreds of genes, which are transcribed by all three nuclear RNA polymerases. Transcription elongation involves dynamic interactions between RNA polymerases and chromatin. We performed a synthetic lethal screening in Saccharomyces cerevisiae with a conditional allele of SPT6, which encodes one of the factors that facilitates this process. Some of these synthetic mutants corresponded to factors that facilitate pre-rRNA processing and ribosome biogenesis...
June 15, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28637225/characteristics-of-escherichia-coli-isolated-from-broiler-chickens-with-colibacillosis-in-commercial-farms-from-a-common-hatchery
#5
H Ozaki, Y Matsuoka, E Nakagawa, T Murase
To investigate the epidemiologic aspects of colibacillosis in broiler chickens, 83 Escherichia coli isolates obtained from the pericarditis and perihepatitis lesions in broiler chickens from 4 commercial farms, 5 isolates recovered from 5 samples of yolk sac contents that were pooled from 25 emaciated chicks, and 4 fecal isolates obtained from a hatchery that supplied chicks to the 4 commercial farms mentioned above were genetically and bacteriologically characterized. Using pulsed-field gel electrophoresis (PFGE), a total of 92 isolates were classified into 33 pulsotypes...
June 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28637205/evolution-and-comparative-genomics-of-paqu-like-conjugative-plasmids-in-vibrio-species
#6
Ruichao Li, Lianwei Ye, Marcus Ho Yin Wong, Zhiwei Zheng, Edward Wai Chi Chan, Sheng Chen
Objectives: To investigate a set of MDR conjugative plasmids found in Vibrio species and characterize the underlying evolution process. Methods: pAQU-type plasmids from Vibrio species were sequenced using both Illumina and PacBio platforms. Bioinformatics tools were utilized to analyse the typical MDR regions and core genes in the plasmids. Results: The nine pAQU-type plasmids ranged from ∼160 to 206 kb in size and were found to harbour as many as 111 core genes encoding conjugative, replication and maintenance functions...
June 20, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28637191/value-added-strategy-models-to-provide-quality-services-in-senior-health-business
#7
Ya-Ting Yang, Neng-Pai Lin, Shyi Su, Ya-Mei Chen, Yao-Mao Chang, Yujiro Handa, Hafsah Arshed Ali Khan, Yi-Hsin Elsa Hsu
Objective: The rapid population aging is now a global issue. The increase in the elderly population will impact the health care industry and health enterprises; various senior needs will promote the growth of the senior health industry. Most senior health studies are focused on the demand side and scarcely on supply. Our study selected quality enterprises focused on aging health and analyzed different strategies to provide excellent quality services to senior health enterprises. Design: We selected 33 quality senior health enterprises in Taiwan and investigated their excellent quality services strategies by face-to-face semi-structured in-depth interviews with CEO and managers of each enterprise in 2013...
June 20, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28637183/nuclitrack-an-integrated-nuclei-tracking-application
#8
Sam Cooper, Alexis R Barr, Robert Glen, Chris Bakal
Summary: Live imaging studies give unparalleled insight into dynamic single cell behaviours and fate decisions. However, the challenge of reliably tracking single cells over long periods of time limits both the throughput and ease with which such studies can be performed. Here, we present NucliTrack, a cross platform solution for automatically segmenting, tracking and extracting features from fluorescently-labelled nuclei. NucliTrack performs similarly to other state-of-the-art cell tracking algorithms, but NucliTrack's interactive, graphical interface makes it significantly more user friendly...
June 20, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28637130/community-integration-and-life-satisfaction-among-individuals-with-spinal-cord-injury-living-in-the-community-after-receiving-institutional-care-in-bangladesh
#9
Nayeema Ahmed, Mohammad Morshedul Quadir, Mohammad Akhlasur Rahman, Hasanat Alamgir
PURPOSE: This study reports level of community integration and life satisfaction among individuals who sustained traumatic spinal cord injuries, received institutional rehabilitation care services, and went back to live in the community in Bangladesh. It examines the impact of type of injury, demographic characteristics, socio-economic profile, and secondary health conditions on community integration and life satisfaction and explores the association between these two measures. METHOD: Individuals with spinal cord injury were telephone interviewed by the Centre for the Rehabilitation of the Paralysed, Bangladesh from February to June of 2014...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637128/maximizing-gait-and-balance-behaviors-and-decision-making-processes-of-persons-with-multiple-sclerosis-and-physical-therapists
#10
Elissa Held Bradford, Marcia Finlayson, Andrea White Gorman, Joanne Wagner
PURPOSE: To describe the behavioral decisions used by persons with multiple sclerosis (MS) and physical therapists to maximize gait and balance following outpatient physical therapy. METHODS: A multi-method case series with seven matched pairs (persons with MS-physical therapists). Quota sampling maximized variability among persons with MS (disease steps score range 3-6). Three of the four physical therapists were MS or neurology certified. Persons with MS completed a phone survey, follow-up interview, and standardized questionnaires...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637126/ecological-momentary-assessment-for-rehabilitation-of-chronic-illness-and-disability
#11
Ashlee McKeon, Michael McCue, Elizabeth Skidmore, Michelle Schein, Jamie Kulzer
PURPOSE: The main objectives of this manuscript were to provide a theoretical perspective on naturalistic delivery in rehabilitation based upon a literature review and establish a rationale for using ecological momentary assessment (EMA) for naturalistic assessment for chronic illness and disability (CID) in rehabilitation. METHOD: Existing literature on EMA use across CID cohorts was gathered and analyzed to form a theoretical overview of implementation of this method in research...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637096/uncovering-the-decision-making-work-of-transferring-dying-patients-home-from-critical-care-units-an-integrative-review
#12
REVIEW
Yanxia Lin, Michelle Myall, Nikki Jarrett
AIMS: To understand how decisions are made to transfer dying patients home from critical care units. BACKGROUND: Many people prefer a home death, but a high proportion die in critical care units. Transferring dying patients home is recognized to be complex but transfer decision-making itself remains unclear. DESIGN: Integrative review. DATA SOURCES: Seven bibliographic databases (origin - 2015), grey literature and reference lists were searched...
June 21, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28636981/development-and-validation-of-nomogram-based-on-mir-203-and-clinicopathological-characteristics-predicting-survival-after-neoadjuvant-chemotherapy-and-surgery-for-patients-with-non-metastatic-osteosarcoma
#13
Dong Cheng, Xubin Qiu, Ming Zhuang, Chenlei Zhu, Hongjun Zou, Ailiang Zhang
BACKGROUND: Recently, nomograms have been used as models for risk prediction in malignant tumor because they can predict the outcome of interest for a certain individual based on many variables. This study aimed to establish an effective prognostic nomogram for osteosarcoma based on the clinicopathological factors and microRNA-203. RESULTS: The results showed that miR-203 expression was significantly lower in osteosarcoma tissues compared with the corresponding adjacent tissues (P < 0...
June 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636962/reactive-astrocytes-production-function-and-therapeutic-potential
#14
REVIEW
Shane A Liddelow, Ben A Barres
Astrocytes constitute approximately 30% of the cells in the mammalian central nervous system (CNS). They are integral to brain and spinal-cord physiology and perform many functions important for normal neuronal development, synapse formation, and proper propagation of action potentials. We still know very little, however, about how these functions change in response to immune attack, chronic neurodegenerative disease, or acute trauma. In this review, we summarize recent studies that demonstrate that different initiating CNS injuries can elicit at least two types of "reactive" astrocytes with strikingly different properties, one type being helpful and the other harmful...
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28636953/dicer-deficiency-differentially-impacts-microglia-of-the-developing-and-adult-brain
#15
Diana Varol, Alexander Mildner, Thomas Blank, Anat Shemer, Neta Barashi, Simon Yona, Eyal David, Sigalit Boura-Halfon, Yifat Segal-Hayoun, Louise Chappell-Maor, Hadas Keren-Shaul, Dena Leshkowitz, Eran Hornstein, Martin Fuhrmann, Ido Amit, Nicola Maggio, Marco Prinz, Steffen Jung
Microglia seed the embryonic neuro-epithelium, expand and actively sculpt neuronal circuits in the developing central nervous system, but eventually adopt relative quiescence and ramified morphology in the adult. Here, we probed the impact of post-transcriptional control by microRNAs (miRNAs) on microglial performance during development and adulthood by generating mice lacking microglial Dicer expression at these distinct stages. Conditional Dicer ablation in adult microglia revealed that miRNAs were required to limit microglial responses to challenge...
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28636943/opa1-isoforms-in-the-hierarchical-organization-of-mitochondrial-functions
#16
Valentina Del Dotto, Prashant Mishra, Sara Vidoni, Mario Fogazza, Alessandra Maresca, Leonardo Caporali, J Michael McCaffery, Martina Cappelletti, Enrico Baruffini, Guy Lenaers, David Chan, Michela Rugolo, Valerio Carelli, Claudia Zanna
OPA1 is a GTPase that controls mitochondrial fusion, cristae integrity, and mtDNA maintenance. In humans, eight isoforms are expressed as combinations of long and short forms, but it is unclear whether OPA1 functions are associated with specific isoforms and/or domains. To address this, we expressed each of the eight isoforms or different constructs of isoform 1 in Opa1(-/-) MEFs. We observed that any isoform could restore cristae structure, mtDNA abundance, and energetic efficiency independently of mitochondrial network morphology...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636918/actin-filament-strain-promotes-severing-and-cofilin-dissociation
#17
Anthony C Schramm, Glen M Hocky, Gregory A Voth, Laurent Blanchoin, Jean-Louis Martiel, Enrique M De La Cruz
Computational and structural studies have been indispensable in investigating the molecular origins of actin filament mechanical properties and modulation by the regulatory severing protein cofilin. All-atom molecular dynamics simulations of cofilactin filament structures determined by electron cryomicroscopy reveal how cofilin enhances the bending and twisting compliance of actin filaments. Continuum mechanics models suggest that buckled cofilactin filaments localize elastic energy at boundaries between bare and cofilin-decorated segments because of their nonuniform elasticity, thereby accelerating filament severing...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28636829/analysis-of-minimally-invasive-esophagectomy-at-a-single-veterans-affairs-medical-center
#18
Matthew D Skancke, Robert A Grossman, Gustavo Marino, Fredrick J Brody, Gregory D Trachiotis
BACKGROUND: To date, there are no published studies focusing on the benefits of minimally invasive esophagectomy (MIE) versus open esophagectomy at a Veterans Affairs Medical Center (VAMC). Our primary outcome was the incidence of esophageal malignancy in the veteran population and the postoperative morbidity following traditional and MIE for malignancy. DESIGN: Retrospective analysis of the incidence of esophageal malignancy at a Veteran Integrated Service Network (VISN) 5 VAMC reported to the VAMC Esophageal Tumor Registry between 2003 and 2016 and outcomes of the veterans who received esophagectomy for malignancy...
June 21, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28636826/degradation-mechanisms-of-magnesium-metal-anodes-in-electrolytes-based-on-cf3so2-2n-at-high-current-densities
#19
Hyun Deog Yoo, Sang-Don Han, Igor L Bolotin, Gene M Nolis, Ryan D Bayliss, Anthony K Burrell, John T Vaughey, Jordi Cabana
The energy density of rechargeable batteries utilizing metals as anodes surpasses Li-ion batteries, which employ carbon instead. Among possible metals, magnesium represents a potential alternative to the conventional choice, lithium, in terms of storage density, safety, stability, and cost. However, a major obstacle for metal-based batteries is the identification of electrolytes that show reversible deposition/dissolution of the metal anode and support reversible intercalation of ions into a cathode. Traditional Grignard-based Mg electrolytes are excellent toward reversible deposition of Mg, but their limited anodic stability and compatibility with oxide cathodes hinder their applicability in Mg batteries with higher voltage...
June 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28636818/critical-temperature-of-1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoethanolamine-monolayers-and-its-possible-biological-relevance
#20
Jordi Hernandez Borrell, Oscar Domenech
Since transmembrane proteins (TMPs) can be obtained with sufficient purity for x-ray diffraction studies more frequently than decades ago, their mechanisms of action may now be elucidated. One of the pending issues is the actual interplay between transmembrane proteins and membrane lipids. There is strong evidence of the involvement of specific lipids with some membrane proteins, such as the potassium crystallographically sited activation channel (KcsA) of Streptomyces lividans and the secondary transporter of lactose LacY of Escherichia coli, the activities of which are associated with the presence of anionic phospholipids such as the phosphatidylglycerol (PG) and phosphatidyethanolamine (PE), respectively...
June 21, 2017: Journal of Physical Chemistry. B
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