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https://www.readbyqxmd.com/read/28548649/aqueous-humor-endothelin-1-and-total-retinal-blood-flow-in-patients-with-non-proliferative-diabetic-retinopathy
#1
L-A Khuu, F Tayyari, J M Sivak, J G Flanagan, S Singer, M H Brent, D Huang, O Tan, C Hudson
PurposeThe purpose of this study was to determine the association between aqueous ET-1 levels and total retinal blood flow (TRBF) in patients with non-insulin-dependent type 2 diabetes mellitus (T2DM) and early non-proliferative diabetic retinopathy (NPDR).Patients and methodsA total of 15 age-matched controls and 15 T2DM patients with NPDR were recruited into the study. Aqueous humor (~80-120 μl) was collected before cataract surgery to measure the levels of ET-1 using suspension multiplex array technology...
May 26, 2017: Eye
https://www.readbyqxmd.com/read/28548368/developing-minimum-clinical-standards-for-physiotherapy-in-south-african-icus-a-qualitative-study
#2
Heleen van Aswegen, Shane Patman, Natascha Plani, Susan Hanekom
RATIONALE, AIMS, AND OBJECTIVES: Physiotherapists are integral members of the intensive care unit (ICU) team. Clinicians working in ICU are dependent on their own experience when making decisions regarding individual patient management thus resulting in variation in clinical practice. No formalized clinical practice guidelines or standards exist for the educational profile or scope of practice requirements for ICU physiotherapy. This study explored perceptions of physiotherapists on minimum clinical standards that ICU physiotherapists should adhere to for delivering safe, effective physiotherapy services to critically ill patients...
May 26, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28546948/liquigroud-technique-a-new-concept-for-enhancing-dissolution-rate-of-glibenclamide-by-combination-of-liquisolid-and-co-grinding-technologies
#3
Leila Azharshekoufeh, Javad Shokri, Mohammad Barzegar-Jalali, Yousef Javadzadeh
Introduction: The potential of combining liquisolid and co-grinding technologies (liquiground technique) was investigated to improve the dissolution rate of a water-insoluble agent (glibenclamide) with formulation-dependent bioavailability. Methods: To this end, different formulations of liquisolid tablets with a wide variety of non-volatile solvents contained varied ratios of drug: solvent and dissimilar carriers were prepared, and then their release profiles were evaluated. Furthermore, the effect of size reduction by ball milling on the dissolution behavior of glibenclamide from liquisolid tablets was investigated...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/28546763/mutation-analysis-of-%C3%AE-thalassemia-in-east-western-indian-population-a-recent-molecular-approach
#4
Parth S Shah, Nidhi D Shah, Hari Shankar P Ray, Nikunj B Khatri, Ketan K Vaghasia, Rutvik J Raval, Sandip C Shah, Mandava V Rao
BACKGROUND: β-Thalassemia is the most prevalent genetic disorder in India. Its traits and coinheritance vary from mild to severe conditions, resulting in thalassemia minor, intermediate, and major, depending upon many factors. PURPOSE: The objective of this study was to identify the incidence of β-thalassemia traits, their coinheritance, and mutations, as well as to support the patients already diagnosed with β-thalassemia in East-Western Indian population for better management...
2017: Application of Clinical Genetics
https://www.readbyqxmd.com/read/28546661/management-of-reproductive-tract-anomalies
#5
Garima Kachhawa, Alka Kriplani
Reproductive tract malformations are rare in general population but are commonly encountered in women with infertility and recurrent pregnancy loss. Obstructive anomalies present around menarche causing extreme pain and adversely affecting the life of the young women. The clinical signs, symptoms and reproductive problems depend on the anatomic distortions, which may range from congenital absence of the vagina to complex defects in the lateral and vertical fusion of the Müllerian duct system. Identification of symptoms and timely diagnosis are an important key to the management of these defects...
June 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28545022/a-high-throughput-method-to-detect-rna-profiling-by-integration-of-rt-mlpa-with-next-generation-sequencing-technology
#6
Jing Wang, Xue Yang, Haofeng Chen, Xuewei Wang, Xiangyu Wang, Yi Fang, Zhenyu Jia, Jidong Gao
RNA in formalin-fixed and paraffin-embedded (FFPE) tissues provides large amount of information indicating disease stages, histological tumor types and grades, as well as clinical outcomes. However, Detection of RNA expression levels in formalin-fixed and paraffin-embedded samples is extremely difficult due to poor RNA quality. Here we developed a high-throughput method, Reverse Transcription-Multiple Ligation-dependent Probe Sequencing (RT-MLPSeq), to determine expression levels of multiple transcripts in FFPE samples...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28544731/taking-control-over-microbial-populations-current-approaches-for-exploiting-biological-noise-in-bioprocesses
#7
REVIEW
Frank Delvigne, Jonathan Baert, Hosni Sassi, Patrick Fickers, Alexander Grünberger, Christian Dusny
Phenotypic plasticity of microbial cells has attracted much attention and several research efforts have been dedicated to the description of methods aiming at characterizing phenotypic heterogeneity and its impact on microbial populations. However, different approaches have also been suggested in order to take benefit from noise in a bioprocess perspective, e.g. by increasing the robustness or productivity of a microbial population. This review is dedicated to outline these controlling methods. A common issue, that has still to be addressed, is the experimental identification and the mathematical expression of noise...
May 24, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28543062/an-adaptive-vestibular-rehabilitation-technique
#8
Benjamin T Crane, Michael C Schubert
OBJECTIVES/HYPOTHESIS: There is a large variation in vestibular rehabilitation (VR) results depending on type of therapy, adherence, and the appropriateness for the patient's level of function. A novel adaptive vestibular rehabilitation (AVR) program was developed and evaluated. STUDY DESIGN: Technology and procedure development, and prospective multicenter trial. METHODS: Those with complete unilateral vestibular hypofunction and symptomatic at least 3 months with a Dizziness Handicap Inventory (DHI) >30 were eligible...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28542018/rehabilitation-and-psychosocial-determinants-of-cochlear-implant-outcomes-in-older-adults
#9
Liyang Tang, Carol B Thompson, James H Clark, Kristin M Ceh, Jennifer D Yeagle, Howard W Francis
OBJECTIVE: The cochlear implant (CI) has been shown to be associated with better hearing, cognitive abilities, and functional independence. There is variability however in how much benefit each recipient derives from his or her CI. This study's primary objective is to determine the effects of individual and environmental characteristics on CI outcomes. DESIGN: Seventy-six adults who developed postlingual severe to profound hearing loss and received their first unilateral CI at 65 years and older were eligible for the study...
May 24, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28541678/identification-of-active-hydrogen-species-on-palladium-nanoparticles-for-an-enhanced-electrocatalytic-hydrodechlorination-of-2-4-dichlorophenol-in-water
#10
Guangming Jiang, Mengna Lan, Zhiyong Zhang, Xiaoshu Lv, Zimo Lou, Xinhua Xu, Fan Dong, Sen Zhang
Clarifying hydrogen evolution and identifying the active hydrogen species are crucial to the understanding of electrocatalytic hydrodechlorination (EHDC) mechanism. Here, monodisperse palladium nanoparticles (Pd NPs) are used as a model catalyst to demonstrate the potential-dependent evolutions of three hydrogen species, including adsorbed atomic hydrogen (H*ads), absorbed atomic hydrogen (H*abs) and molecular hydrogen (H2) on Pd NPs, and then their effect on EHDC of 2,4-dichlorophenol (2,4-DCP). Our results show that H*ads, H*abs and H2 all emerge at -0...
May 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28541055/room-temperature-polariton-lasing-in-all-inorganic-perovskite-nanoplatelets
#11
Rui Su, Carole Diederichs, Jun Wang, Timothy C H Liew, Jiaxin Zhao, Sheng Liu, Weigao Xu, Zhanghai Chen, Qihua Xiong
Polariton lasing is the coherent emission arising from a macroscopic polariton condensate first proposed in 1996. Over the past two decades, polariton lasing has been demonstrated in a few inorganic and organic semiconductors in both low and room temperatures. Polariton lasing in inorganic materials significantly relies on sophisticated epitaxial growth of crystalline gain medium layers sandwiched by two distributed Bragg reflectors in which combating the built-in strain and mismatched thermal properties is nontrivial...
May 25, 2017: Nano Letters
https://www.readbyqxmd.com/read/28540754/zero-order-release-and-bioavailability-enhancement-of-poorly-water-soluble-vinpocetine-from-self-nanoemulsifying-osmotic-pump-tablet
#12
Sally A El-Zahaby, Mohamed H H AbouGhaly, Ghada A Abdelbary, Omaima N El-Gazayerly
Solid self-nanoemulsifying (S-SNEDDS) asymmetrically coated osmotic tablets of the poorly water-soluble drug Vinpocetine (VNP) were designed. The aim was to control the release of VNP by the osmotic technology taking advantage of the solubility and bioavailability-enhancing capacity of S-SNEDDS. Liquid SNEDDS loaded with 2.5 mg VNP composed of Maisine™ 35-1, Transcutol® HP and Cremophor(®) EL was adsorbed on the solid carrier Aeroperl(®). S-SNEDDS was mixed with the osmotic tablet excipients (Sodium chloride, Avicel(®), HPMC-K4M, PVP-K30 and Lubripharm(®)), then directly compressed to form the core tablet...
May 25, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28539126/knowledge-driven-binning-approach-for-rare-variant-association-analysis-application-to-neuroimaging-biomarkers-in-alzheimer-s-disease
#13
Dokyoon Kim, Anna O Basile, Lisa Bang, Emrin Horgusluoglu, Seunggeun Lee, Marylyn D Ritchie, Andrew J Saykin, Kwangsik Nho
BACKGROUND: Rapid advancement of next generation sequencing technologies such as whole genome sequencing (WGS) has facilitated the search for genetic factors that influence disease risk in the field of human genetics. To identify rare variants associated with human diseases or traits, an efficient genome-wide binning approach is needed. In this study we developed a novel biological knowledge-based binning approach for rare-variant association analysis and then applied the approach to structural neuroimaging endophenotypes related to late-onset Alzheimer's disease (LOAD)...
May 18, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28536654/recent-advances-in-capsule-based-dry-powder-inhaler-technology
#14
REVIEW
Federico Lavorini, Massimo Pistolesi, Omar S Usmani
Pulmonary drug delivery is currently the focus of accelerated research and development because of the potential to produce maximum therapeutic benefit to patients by directly targeting drug to the site of pathology in the lungs. Among the available delivery options, the dry powder inhaler (DPI) is the preferred device for the treatment of an increasingly diverse range of diseases. However, because drug delivery from a DPI involves a complex interaction between the device and the patient, the engineering development of this medical technology is proving to be a great challenge...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28535794/mutation-site-and-context-dependent-effects-of-esr1-mutation-in-genome-edited-breast-cancer-cell-models
#15
Amir Bahreini, Zheqi Li, Peilu Wang, Kevin M Levine, Nilgun Tasdemir, Lan Cao, Hazel M Weir, Shannon L Puhalla, Nancy E Davidson, Andrew M Stern, David Chu, Ben Ho Park, Adrian V Lee, Steffi Oesterreich
BACKGROUND: Mutations in the estrogen receptor alpha (ERα) 1 gene (ESR1) are frequently detected in ER+ metastatic breast cancer, and there is increasing evidence that these mutations confer endocrine resistance in breast cancer patients with advanced disease. However, their functional role is not well-understood, at least in part due to a lack of ESR1 mutant models. Here, we describe the generation and characterization of genome-edited T47D and MCF7 breast cancer cell lines with the two most common ESR1 mutations, Y537S and D538G...
May 23, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28535346/on-the-optimization-of-current-injection-in-algainp-core-shell-nanowire-light-emitting-diodes
#16
Pyry Kivisaari, Alexander Berg, Mohammad Karimi, Kristian Storm, Steven Limpert, Jani Oksanen, Lars Samuelson, Håkan Jan Pettersson, Magnus T Borgström
Core-shell nanowires offer great potential to enhance the efficiency of light-emitting diodes (LEDs) and expand the attainable wavelength range of LEDs over the whole visible spectrum. Additionally, nanowire LEDs can offer both improved light extraction and emission enhancement if the diameter of the wires is not larger than half the emission wavelength (λ/2). However, AlGaInP nanowire LEDs have so far failed to match the high efficiencies of traditional planar technologies, and the parameters limiting the efficiency remain unidentified...
May 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28534518/cdk20-interacts-with-keap1-to-activate-nrf2-and-promotes-radiochemoresistance-in-lung-cancer-cells
#17
Q Wang, J Ma, Y Lu, S Zhang, J Huang, J Chen, J-X Bei, K Yang, G Wu, K Huang, J Chen, S Xu
Radiochemoresistance is considered the main cause of local recurrence and distant metastasis in lung cancer. However, the underlying mechanisms of radiochemoresistance remain to be uncovered. In this study, we determine the functions of cell cycle-related kinase (CDK20) in radiochemoresistance. CDK20 is a newly identified protein kinase, which plays critical roles in cell growth and proliferation in several types of cancer. Using tandem affinity purification technology, we provide evidences that CDK20 binds to the ubiquitin ligase Kelch-like ECH-associated protein 1 (KEAP1), which targets transcriptional factor nuclear factor erythroid-2-related factor 2 (NRF2) for degradation...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28534445/differential-expression-of-micro-rnas-and-their-predicted-targets-in-renal-cells-exposed-to-amphotericin-b-and-its-complex-with-copper-ii-ions
#18
Joanna Magdalena Gola, Barbara Strzałka-Mrozik, Celina Kruszniewska-Rajs, Jolanta Adamska, Mariusz Gagoś, Urszula Mazurek
MicroRNAs (miRNAs) have been reported to regulate essential biological processes, and their expression was shown to be affected by pathological processes and drug-induced toxicity. Amphotericin B (AmB) can cause liver and kidney injury, but a recently developed complex of AmB with copper (II) ions (AmB-Cu(2+)) exhibits a lower toxicity to human renal cells while retaining a high antifungal activity. The aim of our study was to assess AmB-Cu(2+)- induced changes in the miRNA profile of renal cells and to examine which biological processes are significantly affected by AmB-Cu(2+)...
May 23, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28533731/effect-of-loss-of-teeth-and-its-association-with-general-quality-of-life-using-geriatric-oral-health-assessment-index-gohai-among-older-individuals-residing-in-rural-areas
#19
Vinaya Kundapur, Rakshith Hegde, Manoj Shetty, Sunil Mankar, Mohammed Hilal, Hari Prasad A
The development of measures for assessing oral health status is essential to the evolution and maturation of a scientific knowledge based in geriatric dentistry. Their development as branches of clinical care depends in part as ability to demonstrate an effective grasp of the problems of elderly and their solutions. Any strategy for altering the health status of elderly requires a technology for first assessing that health status and then detecting increments of progress. Development of geriatric oral health assessment index (GOHAI) is a self reported measure designed to assess the oral health problems of older individuals...
March 2017: International Journal of Biomedical Science: IJBS
https://www.readbyqxmd.com/read/28533439/gene-introgression-in-weeds-depends-on-initial-gene-location-in-the-crop-brassica-napus-raphanus-raphanistrum-model
#20
Katarzyna Adamczyk-Chauvat, Sabrina Delaunay, Anne Vannier, Caroline François, Gwenaëlle Thomas, Frédérique Eber, Maryse Lodé, Marie Gilet, Virginie Huteau, Jérôme Morice, Sylvie Nègre, Cyril Falentin, Olivier Coriton, Henri Darmency, Bachar Alrustom, Eric Jenczewski, Mathieu Rousseau-Gueutin, Anne-Marie Chèvre
The effect of gene location within a crop genome on its transfer to a weed genome remains an open question for gene flow assessment. To elucidate this question, we analyzed advanced generations of intergeneric hybrids, derived from an initial pollination of known oilseed rape varieties (Brassica napus, AACC, 2n=38) by a local population of wild radish (Raphanus raphanistrum, RrRr, 2n=18). After five generations of recurrent pollination, 307 G5 plants with a chromosome number similar to wild radish were genotyped using 105 B...
May 22, 2017: Genetics
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