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https://www.readbyqxmd.com/read/28432967/friendliness-functionality-and-freedom-design-characteristics-that-support-midwifery-practice-in-the-hospital-setting
#1
Athena Hammond, Caroline S E Homer, Maralyn Foureur
OBJECTIVE: to identify and describe the design characteristics of hospital birth rooms that support midwives and their practice. DESIGN: this study used a qualitative exploratory descriptive methodology underpinned by the theoretical approach of critical realism. Data was collected through 21 in-depth, face-to-face photo-elicitation interviews and a thematic analysis guided by study objectives and the aims of exploratory research was undertaken. SETTING: the study was set at a recently renovated tertiary hospital in a large Australian city...
April 4, 2017: Midwifery
https://www.readbyqxmd.com/read/28432957/nanoencapsulation-strategies-for-the-delivery-of-novel-bifunctional-antioxidant-%C3%AF-1-selective-ligands
#2
Claudia Carbone, Emanuela Arena, Veronica Pepe, Orazio Prezzavento, Ivana Cacciatore, Hasan Turkez, Agostino Marrazzo, Antonio Di Stefano, Giovanni Puglisi
Nowadays sigma-1 receptors are considered as new therapeutic objectives for central nervous system neurodegenerative diseases. Among different molecules, alpha lipoic acid has been identified as a natural potent antioxidant drug, whose therapeutic efficacy is limited by its many drawbacks, such as fast metabolism, poor bioavailability and high physico-chemical instability. Alfa-lipoic acid derivatives have been recently developed demonstrating their neuroprotective activity and effectiveness in different types of oxidative stress...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28432921/gates-for-soluble-and-membrane-proteins-and-two-trafficking-systems-ift-and-lift-establish-a-dynamic-ciliary-signaling-compartment
#3
REVIEW
Victor L Jensen, Michel R Leroux
Primary cilia are microtubule-based organelles found on most mammalian cell surfaces. They possess a soluble matrix and membrane contiguous with the cell body cytosol and plasma membrane, and yet, have distinct compositions that can be modulated to enable dynamic signal transduction. Here, we discuss how specialized ciliary compartments are established using a coordinated network of gating, trafficking and targeting activities. Cilium homeostasis is maintained by a size-selective molecular mesh that limits soluble protein entry, and by a membrane diffusion barrier localized at the transition zone...
April 19, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28432913/spontaneously-formed-redox-and-ph-sensitive-polymersomes-by-mpeg-based-cytocompatible-random-copolymers
#4
Partha Laskar, Joykrishna Dey, Sudip Kumar Ghosh
Stimuli-sensitive polymersomes are one of the important vehicles and have been extensively studied as smart drug delivery system. Polymersomes have added advantage over the micelles because of having the ability to carry not only hydrophobic but also hydrophilic guest in their aqueous core. Among various stimuli, the change of pH and redox reaction is very important for drug delivery purpose especially for anticancer drug. Therefore, in this work, two poly(ethylene glycol) methyl ether methacrylate (mPEG) containing hydrophilic random anionic copolymers, poly[(2-hydroxyethyl methacrylate-3,3'-dithiodipropanoic acid)x-co-(poly(ethylene glycol) methyl ether methacrylate)y], poly[(HEMA-DTDPA)x-co-mPEGy] with different copolymer ratios were designed and synthesized...
April 12, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28432903/the-decidua-of-preeclamptic-like-bph-5-mice-exhibits-an-exaggerated-inflammatory-response-during-early-pregnancy
#5
C Y Heyward, J L Sones, H E Lob, L C Yuen, K E Abbott, W Huang, Z R Begun, S D Butler, A August, C A Leifer, R L Davisson
Preeclampsia is a devastating complication of pregnancy characterized by late-gestation hypertension and proteinuria. Because the only definitive treatment is delivery of the fetus and placenta, preeclampsia contributes to increased morbidity and mortality of both mother and fetus. The BPH/5 mouse model, which spontaneously develops a syndrome strikingly similar to preeclampsia, displays excessive inflammation and suppression of inflammation improves pregnancy outcomes. During early pregnancy, decidual macrophages play an important role in promoting maternal tolerance to fetal antigens and regulating tissue remodeling, two functions that are critical for normal placental development...
April 10, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28432898/cost-effectiveness-of-sensor-augmented-pump-therapy-versus-standard-insulin-pump-therapy-in-patients-with-type-1-diabetes-in-denmark
#6
S Roze, S de Portu, J Smith-Palmer, A Delbaere, W Valentine, M Ridderstråle
AIMS: The use of continuous subcutaneous insulin infusion (CSII) in type 1 diabetes (T1D) has increased in recent years. Sensor-augmented pump therapy (SAP) with low glucose suspend (LGS) (allowing temporary suspension of insulin delivery if blood glucose level falls below a pre-defined threshold level) provides additional benefits over CSII alone, but is associated with higher acquisition costs. Therefore, a cost-effectiveness analysis of SAP+LGS versus CSII in patients with T1D was performed...
February 16, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432855/a-systematic-review-of-psychotherapeutic-interventions-for-women-with-metastatic-breast-cancer-context-matters
#7
REVIEW
Lisa Beatty, Emma Kemp, Phyllis Butow, Afaf Girgis, Penelope Schofield, Jane Turner, Nicholas J Hulbert-Williams, Janelle V Levesque, Bogda Koczwara
OBJECTIVES: To summarise the evidence-base of psychological interventions for women with metastatic breast cancer (MBC), by mode of delivery (group, individual, or low-intensity interventions). To synthesise data regarding core intervention-elements (e.g., intervention duration) and context factors (trial setting, uptake and adherence, demographic characteristics). METHODS: Four databases were searched (inception - May 2016): MEDLINE (OvidSP), PsycINFO (OvidSP), CINAHL (EBSCO), and SCOPUS; reference lists were examined for additional publications...
April 22, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28432841/comparison-of-pneumatic-tube-system-with-manual-transport-for-routine-chemistry-hematology-coagulation-and-blood-gas-tests
#8
Alex Pupek, Beverly Matthewson, Erin Whitman, Rachel Fullarton, Yu Chen
BACKGROUND: The pneumatic tube system (PTS) is commonly used in modern clinical laboratories to provide quick specimen delivery. However, its impact on sample integrity and laboratory testing results are still debatable. In addition, each PTS installation and configuration is unique to its institution. We sought to validate our Swisslog PTS by comparing routine chemistry, hematology, coagulation and blood gas test results and sample integrity indices between duplicate samples transported either manually or by PTS...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28432812/preparation-characterization-and-in-vivo-study-of-rhein-solid-lipid-nanoparticles-for-oral-delivery
#9
Haiyang Feng, Yuping Zhu, Zhixuan Fu, Dechuan Li
In this study, rhein-SLNs were successfully produced by hot homogenization followed by ultrasonication. Precirol ATO5 in which Rhein exhibited higher partition coefficient was selected for preparation of SLNs. In the dynamic light scattering, the rhein SLNs showed a smaller size with a mean value of 120.8 ± 7.9 nm and with zeta potential of -16.9 ± 2.3 mV. SLNs exhibited a good stability during the period of 2 months. The SLNs indicated faster drug release with a burst release within 2 hours and followed by a sustained release with a biphasic drug release pattern...
April 22, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28432730/assessment-of-voluntary-deep-inspiration-breath-hold-with-cine-imaging-for-breast-radiotherapy
#10
Reuben Patrick Estoesta, Lani Attwood, Diana Naehrig, Elizabeth Claridge-Mackonis, David Odgers, Darren Martin, Melissa Pham, Joanne Toohey, Susan Carroll
Deep Inspiration Breath-Hold (DIBH) techniques for breast cancer radiation therapy (RT) have reduced cardiac dose compared to Free Breathing (FB). Recently, a voluntary deep inspiration breath-hold (vDIBH) technique was established using in-room lasers and skin tattoos to monitor breath-hold. An in-house quality assessment of positional reproducibility during RT delivery with vDIBH in patients with left-sided breast cancer was evaluated. The electronic portal imaging device (EPID) was used in cinematographic (CINE) mode to capture a sequence of images during beam delivery...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432715/complications-of-pregnancy-and-labor-in-women-with-klippel-trenaunay-syndrome-a-nationwide-cross-sectional-study
#11
S E R Horbach, M M Lokhorst, C E U Oduber, S Middeldorp, J A M van der Post, C M A M van der Horst
OBJECTIVE: To evaluate complications of pregnancy, including thromboembolism, in women with extensive vascular malformations associated with Klippel-Trenaunay Syndrome (KTS). DESIGN: Nationwide cross-sectional study. SETTING: Two tertiary expert centers and the Dutch Klippel-Trenaunay patient organization. SAMPLE: Adult women with KTS. METHODS: Patients with KTS were invited to participate in a comprehensive online survey about their obstetric history...
April 22, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28432684/characterization-of-interactions-of-metal-containing-nanoparticles-with-biomolecules-by-ce-an-update-2012-2016
#12
REVIEW
Svetlana S Aleksenko, Magdalena Matczuk, Andrei R Timerbaev
The methodological developments and applications of CE related to studying biotransformations of metal-based nanoscale particles of impending medicinal use are overviewed. This is an update to a previous review article (Aleksenko, S. S., Shmykov, A. Y., Oszwałdowski, S., Timerbaev, A. R., Metallomics 2012, 4, 1141-1148) and it covers the research papers published within the last five years. As was anticipated in that review, CE can now be seen as a customary technique in the analysis of biomolecular interactions that exert an impact on the mechanism of action of nanoparticles, comprising metabolism, delivery, cell processing, and targeting...
April 22, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28432615/fabrication-physicochemical-characterization-and-performance-evaluation-of-biodegradable-polymeric-microneedle-patch-system-for-enhanced-transcutaneous-flux-of-high-molecular-weight-therapeutics
#13
Viral Shah, Bijaya Krushna Choudhury
A revolutionary paradigm shift is being observed currently, towards the use of therapeutic biologics for disease management. The present research was focused on designing an efficient dosage form for transdermal delivery of α-choriogonadotropin (high molecular weight biologic), through biodegradable polymeric microneedles. Polyvinylpyrrolidone-based biodegradable microneedle arrays loaded with high molecular weight polypeptide, α-choriogonadotropin, were fabricated for its systemic delivery via transdermal route...
April 21, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28432564/unintended-pregnancy-and-contraceptive-use-among-women-veterans-the-ecuun-study
#14
Sonya Borrero, Lisa S Callegari, Xinhua Zhao, Maria K Mor, Florentina E Sileanu, Galen Switzer, Susan Zickmund, Donna L Washington, Laurie C Zephyrin, E Bimla Schwarz
BACKGROUND: Little is known about contraceptive care for the growing population of women veterans who receive care in the Veterans Administration (VA) healthcare system. OBJECTIVE: To determine rates of contraceptive use, unmet need for prescription contraception, and unintended pregnancy among reproductive-aged women veterans. DESIGN AND PARTICIPANTS: We conducted a cross-sectional, telephone-based survey with a national sample of 2302 women veterans aged 18-44 years who had received primary care in the VA within the prior 12 months...
April 21, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28432531/effectiveness-of-nanoencapsulated-methotrexate-against-osteosarcoma-cells-in-vitro-cytotoxicity-under-dynamic-conditions
#15
O Mitxelena-Iribarren, C L Hisey, M Errazquin-Irigoyen, Y González-Fernández, E Imbuluzqueta, M Mujika, M J Blanco-Prieto, S Arana
Cancer is a leading cause of mortality in the world, with osteosarcoma being one of the most common types among children between 1 and 14 years old. Current treatments including preoperative chemotherapy, surgery and postoperative chemotherapy produce several side effects with limited effectiveness. The use of lipid nanoparticles as biodegradable shells for controlled drug delivery shows promise as a more effective and targeted tumor treatment. However, in vitro validation of these vehicles is limited due to fluid stagnation in current techniques, in which nanoparticles sediment onto the bottom of the wells killing the cells by asphyxiation...
June 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28432472/anti-infective-and-anti-inflammatory-pharmacotherapies
#16
Mark I Rosenblatt
Ocular infection and inflammation are common and are associated with myriad ocular conditions ranging from mild disease to blinding conditions. There are numerous anti-invectives with spectra against inciting pathogens. Given the potential for ocular infections to rapidly progress initial broad spectrum therapy is usually required, with therapy tailored as microbiological identification and sensitivities become available. The emergence of antibiotic resistance has become a major health problem. Anti-inflammatory therapy can be institutes to prevent ocular symptoms and end-organ damage...
April 22, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28432355/basal-autophagy-prevents-autoactivation-or-enhancement-of-inflammatory-signals-by-targeting-monomeric-myd88
#17
Takeshi Into, Toshi Horie, Megumi Inomata, Jin Gohda, Jun-Ichiro Inoue, Yukitaka Murakami, Shumpei Niida
Autophagy, the processes of delivery of intracellular components to lysosomes, regulates induction of inflammation. Inducible macroautophagy degrades inflammasomes and dysfunctional mitochondria to downregulate inflammatory signals. Nonetheless, the effects of constitutive basal autophagy on inflammatory signals are largely unknown. Here, we report a previously unknown effect of basal autophagy. Lysosomal inhibition induced weak inflammatory signals in the absence of a cellular stimulus and in the presence of a nutrient supply, and their induction was impaired by MyD88 deficiency...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432329/affinity-biosensors-using-recombinant-native-membrane-proteins-displayed-on-exosomes-application-to-botulinum-neurotoxin-b-receptor
#18
Richard Desplantes, Christian Lévêque, Benjamin Muller, Manuela Lotierzo, Géraldine Ferracci, Michel Popoff, Michael Seagar, Robert Mamoun, Oussama El Far
The development of simple molecular assays with membrane protein receptors in a native conformation still represents a challenging task. Exosomes are extracellular vesicles which, due to their stability and small size, are suited for analysis in various assay formats. Here, we describe a novel approach to sort recombinant fully native and functional membrane proteins to exosomes using a targeting peptide. Specific binding of high affinity ligands to the potassium channel Kv1.2, the G-protein coupled receptor CXCR4, and the botulinum neurotoxin type B (BoNT/B) receptor, indicated their correct assembly and outside out orientation in exosomes...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432201/mg53-biological-function-and-potential-as-a-therapeutic-target
#19
Yan Zhang, Hong-Kun Wu, Fengxiang Lv, Rui-Ping Xiao
MG53 (also known as TRIM72) is a cardiac and skeletal muscle-specific TRIM-family protein that exhibits multiple biological functions. First, MG53 participates in plasma membrane repair of the heart, skeletal muscle and other tissues. Second, MG53 is essentially involved in the cardioprotection of cardiac ischemic, pre-conditioning and post-conditioning, by activating the PI3K-Akt-GSK3β and ERK1/2 survival signaling pathways. Moreover, systemic delivery of recombinant MG53 protein ameliorates the impact of a range of injury insults on heart, skeletal muscle, lung, kidney, skin and brain...
April 21, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28432074/incidence-of-first-stroke-in-pregnant-and-nonpregnant-women-of-childbearing-age-a-population-based-cohort-study-from-england
#20
Lu Ban, Nikola Sprigg, Alyshah Abdul Sultan, Catherine Nelson-Piercy, Philip M Bath, Jonas F Ludvigsson, Olof Stephansson, Laila J Tata
BACKGROUND: Pregnant women may have an increased risk of stroke compared with nonpregnant women of similar age, but the magnitude and the timing of such risk are unclear. We examined the risk of a first stroke event in women of childbearing age and compared the risk during pregnancy and in the early postpartum period with the background risk outside these periods. METHODS AND RESULTS: We conducted an open cohort study of 2 046 048 women aged 15 to 49 years between April 1, 1997, and March 31, 2014, using linked primary (Clinical Practice Research Datalink) and secondary (Hospital Episode Statistics) care records in England...
April 21, 2017: Journal of the American Heart Association
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