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https://www.readbyqxmd.com/read/29334707/-comparing-the-immunogenicity-and-safety-of-sequential-inoculation-of-sipv-followed-by-bopv-%C3%A2-%C3%A2-in-different-dosage-forms
#1
H Ye, T Huang, Z F Ying, G L Li, Y C Che, Z M Zhao, J F Wang, X L Yang, L Shi, R J Jiang, X C Liu, Z J Mo, C G Li, J S Yang
Objective: To compare the safety and immunogenicity of two different sequential schedules of inactivated poliomyelitis vaccine made from Sabin strain (sIPV) followed by typeⅠ+Ⅲ bivalent oral poliovirus vaccine (bOPV) in Drug Candy (DC) form or liquid dosage form). Methods: This randomized, blinded, single center, parallel-group controlled trial was done from September 2015 to June 2016 in Liuzhou, Guangxi province. Healthy infants aged ≥2 months were eligible for enrollment and divided into 1sIPV+2bOPV or 2sIPV+1bOPV sequential schedules...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334656/activated-protein-c-suppresses-osteoclast-differentiation-via-endothelial-protein-c-receptor-protease-activated-receptor-1-sphingosine-1-phosphate-receptor-and-apolipoprotein-e-receptor-2
#2
Kakunoshin Yoshida, Nobuyuki Akita, Takayuki Okamoto, Kunihiro Asanuma, Atsumasa Uchida, Akihiro Sudo, Motomu Shimaoka, Koji Suzuki, Tatsuya Hayashi
INTRODUCTION: Bone remodeling relies on a delicate balance between formation and resorption of bone tissues, processes in which bone-forming osteoblasts and bone-resorbing osteoclasts play central roles. Recently, we reported that anticoagulant activated protein C (APC) promotes osteoblast proliferation, but the role of the blood coagulation system in bone remodeling remains unclear. In this study, to further elucidate the relationship between bone remodeling and blood coagulation, we investigated the effect of APC on osteoclast differentiation...
January 3, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29334635/the-effect-of-altitude-and-climate-on-the-suicide-rates-in-turkey
#3
Mahmut Asirdizer, Erhan Kartal, Yasin Etli, Ertugrul Tatlisumak, Orhan Gumus, Yavuz Hekimoglu, Sıddık Keskin
Suicide is one of the most important public health problems. There was an association between suicide and several factors such as psychiatric diseases and psychological characteristics, somatic illness, cultural, socioeconomic, familial, occupational and individual risk factors. Also, high altitude and climatic factors including high temperature, cloudiness, more sunshine and low rainfalls were defined as some of these risk factors in the literature. In this study, we aimed to investigate correlation between suicide rates and altitudes of all cities in Turkey and between suicide rates and climatic factors including Rainfall Activity Index, Winter Mean Temperatures, Summer Mean Temperatures and Temperature Difference between January and July previously defined by several authors in the broad series in Turkey...
January 4, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29334618/exploring-masculinities-sexual-health-and-wellbeing-across-areas-of-high-deprivation-in-scotland-the-depth-of-the-challenge-to-improve-understandings-and-practices
#4
Karen Lorimer, Lesley McMillan, Lisa McDaid, Dona Milne, Siân Russell, Kate Hunt
Within and across areas of high deprivation, we explored constructions of masculinity in relation to sexual health and wellbeing, in what we believe to be the first UK study to take this approach. Our sample of 116 heterosexual men and women age 18-40 years took part in individual semi-structured interviews (n = 35) and focus group discussions (n = 18), across areas in Scotland. Drawing on a socio-ecological framework, findings revealed experience in places matter, with gender practices rooted in a domestically violent milieu, where localised, socio-cultural influences offered limited opportunities for more egalitarian performances of masculinity...
January 12, 2018: Health & Place
https://www.readbyqxmd.com/read/29334544/blood-biomarkers-of-expressed-and-inducible-hiv-1
#5
Anthony R Cillo, Francis Hong, Angela Tsai, Alivelu Irrinki, Jasmine Kaur, Derek D Sloan, Mattie Follen, Romas Geleziunas, Tomas Cihlar, Sandra S Win, Jeffrey P Murry, John W Mellors
OBJECTIVE: To define the relationships between molecular measures of viral persistence in blood (i.e., plasma viremia, cellular HIV-1 DNA, and mRNA) and expressed or inducible virus from resting CD4 + T-cells of individuals on suppressive ART. DESIGN: We compared molecular measurements of HIV-1 in plasma and in uncultured peripheral blood mononuclear cells (PBMC) to the levels of virions produced by either unstimulated or phorbol myristate acetate and ionomycin (PMA/iono)-stimulated PBMC or resting CD4 + T-cells from 21 donors on suppressive ART...
January 13, 2018: AIDS
https://www.readbyqxmd.com/read/29334495/the-ethics-of-interventional-procedures-for-patients-too-ill-for-surgery
#6
Caroline G Kan, Michael Nurok
PURPOSE OF REVIEW: Minimally invasive interventional procedures are increasingly popular options for patients who are high-risk candidates for open surgical procedures. It is unclear how to proceed in the rare circumstance of a complication during an interventional procedure, where addressing the complication would require exposing the patient to the full risk that was being avoided with the minimally invasive technique. This review provides recommendations on how to approach this paradoxical scenario...
January 12, 2018: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29334480/strategies-for-enhancing-medical-student-resilience-student-and-faculty-member-perspectives
#7
Julia Farquhar, Robert Kamei, Arpana Vidyarthi
Objectives: To improve programs aimed to enhance medical student resiliency, we examined both medical student and faculty advisor perspectives on resiliency-building in an Asian medical school. Methods: In two separate focus groups, a convenience sample of 8 MD-PhD students and 8 faculty advisors were asked to identify strategies for enhancing resilience. Using thematic analysis, two researchers independently examined discussion transcripts and field notes and determined themes through a consensus process...
January 12, 2018: International Journal of Medical Education
https://www.readbyqxmd.com/read/29334446/pediatric-community-acquired-pneumonia
#8
Stephanie Posten, Jennifer Reed
Pediatric community acquired pneumonia (CAP) is frequently encountered by medical providers and is one of the most common reasons for hospital admission. CAP is known to cause significant morbidity and mortality, causing greater than 2 million deaths annually worldwide in children younger than five years old. The Infectious Disease Society of America (IDSA) released guidelines in 2011 with recommendations regarding appropriate diagnosis and management of community acquired pneumonia for children greater than 3 months age, with the goal of assisting providers in clinical decision making...
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29334430/preclinical-therapeutic-efficacy-of-the-ciprofloxacin-eluting-sinus-stent-for-pseudomonas-aeruginosa-sinusitis
#9
Do-Yeon Cho, Dong-Jin Lim, Calvin Mackey, Daniel Skinner, Christopher Weeks, Gobind S Gill, Robert W Hergenrother, William E Swords, Bradford A Woodworth
BACKGROUND: The ciprofloxacin-coated sinus stent (CSS) has unique therapeutic potential to deliver antibiotics to the sinuses. The objective of this study is to evaluate the efficacy of the CSS stent in eliminating Pseudomonas aeruginosa infection in a rabbit model of sinusitis. METHODS: A ciprofloxacin-eluting sinus stent was created by coating ciprofloxacin/Eudragit RS100 on biodegradable poly-D/L-lactic acid (2 mg). After analyzing in-vitro inhibition of P aeruginosa (PAO-1 strain) biofilm formation, a total of 8 stents (4 shams, 4 CSSs) were placed unilaterally in rabbit maxillary sinuses via dorsal sinusotomy after inducing infection for 1 week with PAO-1...
January 15, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29334408/effects-of-metalaxyl-enantiomers-stress-on-root-activity-and-leaf-antioxidant-enzyme-activities-in-tobacco-seedlings
#10
Song Fang, Yi Tao, Yizhi Zhang, Fanyu Kong, Yunbai Wang
The objective of this experiment was to study the effects of metalaxyl enantiomers on the activity of roots and antioxidative enzymes in tobacco seedlings. Water culture experiment was conducted to analyze the effects of different concentrations of metalaxyl enantiomers (30 and 10 mg L-1 ) on root activity and leaf superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) activities and malondialdehyde (MDA) content of tobacco seedlings. The results showed that metalaxyl significantly inhibited root activity and significantly improved leaf SOD, POD, and CAT activities and MDA content...
January 15, 2018: Chirality
https://www.readbyqxmd.com/read/29334399/chondrocyte-burst-promotes-space-for-mineral-expansion
#11
Emilio Satoshi Hara, Masahiro Okada, Noriyuki Nagaoka, Takako Hattori, Letycia Mary Iida, Takuo Kuboki, Takayoshi Nakano, Takuya Matsumoto
Analysis of tissue development from multidisciplinary approaches can result in more integrative biological findings, and can eventually allow the development of more effective bioengineering methods. In this study, we analyzed the initial steps of mineral formation during secondary ossification of mouse femur based on biological and bioengineering approaches. We first found that some chondrocytes burst near the mineralized area. External factors that could trigger chondrocyte burst were then investigated. Chondrocyte burst was shown to be modulated by mechanical and osmotic pressure...
January 15, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/29334397/recombinant-phosphatidylserine-binding-nanobodies-for-targeting-of-extracellular-vesicles-to-tumor-cells-a-plug-and-play-approach
#12
Sander A A Kooijmans, Jerney J J M Gitz-Francois, Raymond M Schiffelers, Pieter Vader
Extracellular vesicles (EVs) are increasingly being recognized as candidate drug delivery systems due to their ability to functionally transfer biological cargo between cells. However, manipulation of targeting properties of EVs through engineering of the producer cells can be challenging and time-consuming. As a novel approach to confer tumor targeting properties to isolated EVs, we generated recombinant fusion proteins of nanobodies against the epidermal growth factor receptor (EGFR) fused to phosphatidylserine (PS)-binding domains of lactadherin (C1C2)...
January 15, 2018: Nanoscale
https://www.readbyqxmd.com/read/29334392/control-of-collagen-gel-mechanical-properties-through-manipulation-of-gelation-conditions-near-the-sol-gel-transition
#13
A J Holder, N Badiei, K Hawkins, C Wright, P R Williams, D J Curtis
The ability to control the mechanical properties of cell culture environments is known to influence cell morphology, motility, invasion and differentiation. The present work shows that it is possible to control the mechanical properties of collagen gels by manipulating gelation conditions near the sol gel transition. This manipulation is accomplished by performing gelation in two stages at different temperatures. The mechanical properties of the gel are found to be strongly dependent on the duration and temperature of the first stage...
January 15, 2018: Soft Matter
https://www.readbyqxmd.com/read/29334373/prevention-of-tuberculosis-in-rhesus-macaques-by-a-cytomegalovirus-based-vaccine
#14
Scott G Hansen, Daniel E Zak, Guangwu Xu, Julia C Ford, Emily E Marshall, Daniel Malouli, Roxanne M Gilbride, Colette M Hughes, Abigail B Ventura, Emily Ainslie, Kurt T Randall, Andrea N Selseth, Parker Rundstrom, Lauren Herlache, Matthew S Lewis, Haesun Park, Shannon L Planer, John M Turner, Miranda Fischer, Christina Armstrong, Robert C Zweig, Joseph Valvo, Jackie M Braun, Smitha Shankar, Lenette Lu, Andrew W Sylwester, Alfred W Legasse, Martin Messerle, Michael A Jarvis, Lynn M Amon, Alan Aderem, Galit Alter, Dominick J Laddy, Michele Stone, Aurelio Bonavia, Thomas G Evans, Michael K Axthelm, Klaus Früh, Paul T Edlefsen, Louis J Picker
Despite widespread use of the bacille Calmette-Guérin (BCG) vaccine, tuberculosis (TB) remains a leading cause of global mortality from a single infectious agent (Mycobacterium tuberculosis or Mtb). Here, over two independent Mtb challenge studies, we demonstrate that subcutaneous vaccination of rhesus macaques (RMs) with rhesus cytomegalovirus vectors encoding Mtb antigen inserts (hereafter referred to as RhCMV/TB)-which elicit and maintain highly effector-differentiated, circulating and tissue-resident Mtb-specific CD4+ and CD8+ memory T cell responses-can reduce the overall (pulmonary and extrapulmonary) extent of Mtb infection and disease by 68%, as compared to that in unvaccinated controls, after intrabronchial challenge with the Erdman strain of Mtb at ∼1 year after the first vaccination...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334370/scaffolds-that-mimic-antigen-presenting-cells-enable-ex-vivo-expansion-of-primary-t-cells
#15
Alexander S Cheung, David K Y Zhang, Sandeep T Koshy, David J Mooney
Therapeutic ex vivo T-cell expansion is limited by low rates and T-cell products of limited functionality. Here we describe a system that mimics natural antigen-presenting cells (APCs) and consists of a fluid lipid bilayer supported by mesoporous silica micro-rods. The lipid bilayer presents membrane-bound cues for T-cell receptor stimulation and costimulation, while the micro-rods enable sustained release of soluble paracrine cues. Using anti-CD3, anti-CD28, and interleukin-2, we show that the APC-mimetic scaffolds (APC-ms) promote two- to tenfold greater polyclonal expansion of primary mouse and human T cells compared with commercial expansion beads (Dynabeads)...
January 15, 2018: Nature Biotechnology
https://www.readbyqxmd.com/read/29334313/pneumonia-infection-in-mice-reveals-the-involvement-of-the-feoa-gene-in-the-pathogenesis-of-acinetobacter-baumannii
#16
Laura Álvarez-Fraga, Juan C Vázquez-Ucha, Marta Martínez-Guitián, Juan A Vallejo, Germán Bou, Alejandro Beceiro, Margarita Poza
Acinetobacter baumannii has emerged in the last decade as an important nosocomial pathogen. To identify genes involved in the course of a pneumonia infection, gene expression profiles were obtained from A. baumannii ATCC 17978 grown in mouse infected lungs and in culture medium. Gene expression analysis allowed us to determine a gene, the A1S_0242 gene (feoA), over-expressed during the pneumonia infection. In the present work, we evaluate the role of this gene, involved in iron uptake. The inactivation of the A1S_0242 gene resulted in an increase susceptibility to oxidative stress and a decrease in biofilm formation, in adherence to A549 cells and in fitness...
January 15, 2018: Virulence
https://www.readbyqxmd.com/read/29334310/dendritic-polyglycerol-nanoparticles-show-charge-dependent-bio-distribution-in-early-human-placental-explants-and-reduce-hcg-secretion
#17
Herbert Juch, Liudmila Nikitina, Sabine Reimann, Martin Gauster, Gottfried Dohr, Barbara Obermayer-Pietsch, Denise Hoch, Karin Kornmueller, Rainer Haag
A thorough understanding of nanoparticle bio-distribution at the feto-maternal interface will be a prerequisite for their diagnostic or therapeutic application in women of childbearing age and for teratologic risk assessment. Therefore, the tissue interaction of biocompatible dendritic polyglycerol nanoparticles (dPG-NPs) with first- trimester human placental explants were analyzed and compared to less sophisticated trophoblast-cell based models. First-trimester human placental explants, BeWo cells and primary trophoblast cells from human term placenta were exposed to fluorescence labeled, ∼5 nm dPG-NPs, with differently charged surfaces, at concentrations of 1 µM and 10 nM, for 6 and 24 h...
January 15, 2018: Nanotoxicology
https://www.readbyqxmd.com/read/29334279/uric-acid-and-the-vaccine-adjuvant-activity-of-aluminum-oxy-hydroxide-nanoparticles
#18
Sachin G Thakkar, Haiyue Xu, Xu Li, Zhengrong Cui
In an effort to improve the adjuvanticity of insoluble aluminum salts, we discovered that the adjuvant activity of aluminum salt nanoparticles is significantly stronger than aluminum salt microparticles, likely related to nanoparticle's stronger ability to directly activate NLRP3 inflammasome as the nanoparticles are more efficiently taken up by phagocytic cells. Endogenous signals such as uric acid from cell damage or death caused by the cytotoxicity of aluminum salts are thought to indirectly activate inflammasome, prompting us to hypothesize that the potent adjuvant activity of aluminum salt nanoparticles is also related to their ability to stimulate uric acid production...
January 15, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29334254/antioxidant-and-anti-proliferative-properties-of-extracts-from-heterotrophic-cultures-of-galdieria-sulphuraria
#19
Claudia Bottone, Rosa Camerlingo, Roberta Miceli, Giovanna Salbitani, Giuseppe Sessa, Giuseppe Pirozzi, Simona Carfagna
This study explores the possibility to use the extremophilic microalga Galdieria sulphuraria (strain 064) as a source of natural biomolecules with beneficial and protective effects on human health. Galdieria was cultivated in heterotrophy conditions and cells extracts for their antioxidant and anti-proliferative properties were tested. Galdieria extracts showed high antioxidant power tested through ABTS assay and revealed high glutathione and phycocyanin contents. Based on Annexin-V FITC/propidium iodide and MTT analysis, algae extracts inhibited the proliferation of human adenocarcinoma A549 cells (51...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29334248/nigrosporanenes-c-and-d-two-new-cyclohexene-derivatives-from-the-enphytic-fungus-nigrospora-oryzae-s4
#20
Wei Yan, Wei Wei, Yang-Yang Zhang, Jia-Jie Wang, Xiao-Fei Ping, Jia-Yun Xu, Yong-Hao Ye
Two new cyclohexene derivatives, nigrosporanenes C and D (1 and 2), together with three known compounds (3-5), were isolated from the culture of an endophyte Nigrospora oryzae S4. Their structures were characterized by a combination of detailed spectroscopic analysis and comparison of their NMR data with those reported in the literature. All compounds were tested for anti-phytopathogenic activity, however, none of them showed activity at a concentration of 20 μM.
January 15, 2018: Journal of Asian Natural Products Research
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