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https://www.readbyqxmd.com/read/28648039/-effects-of-combined-application-of-culture-supernatant-of-human-umbilical-cord-mesenchymal-stem-cells-and-ciprofloxacin-on-staphylococcus-aureus-in-vitro
#1
B Zhou, H L Tu, T Ba, L F Wang, S J Wang, S Y Nie
Objective: To explore the effects of combined application of culture supernatant of human umbilical cord mesenchymal stem cells (hUCMSCs) and ciprofloxacin on Staphylococcus aureus (SA) in vitro. Methods: hUCMSCs were isolated from umbilical cord tissue of full-term healthy fetus after cesarean section and cultured. Cells in the third passage were used in the experiments after identification. SA strains isolated from wounds of burn patients in our burn wards were used in the experiments. Cells were divided into 0, 10, 100, and 1 000 ng/mL lipopolysaccharide (LPS) groups according to the random number table (the same dividing method below)...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28648006/-0-5-gy-x-ray-radiation-promotes-osteoblast-differentiation-by-wnt-%C3%AE-catenin-signaling
#2
M Chen, Q R Dong, Q Huang, C She, W Xu
Objective: To investigate the important roles of Wnt signaling in the processes of 0.5Gy X-ray promoting osteoblast differentiation, and make clear the molecular mechanisms involved. Methods: Flow cytometry was employed to detect the apoptosis after osteoblast exposure to 0.5 Gy X-ray radiation.The protein level of osteoblast differentiation markers, such as collagen Iα (Col1α), alkaline phosphatase (ALP), osteocalcin (OCN), were detected by Western-blot and ALP activity staining was performed. Real-time PCR and Western-blot were utilized to evaluate the variations of key factors in Wnt signaling pathways, while specific inhibitor of Wnt/β-Catenin, XAV939 was used to block the Wnt signaling...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28648003/-curative-effect-analysis-of-15-cases-of-cervical-intra-and-extra-spinal-tumors-by-microsurgical-resection
#3
Y Han, X L Zheng, L Li, Z Q Jiang, F Y Lou, S J Zhang
Objective: To explore the curative effect of microsurgical treatment of cervical intra- and extra-spinal tumors. Methods: The clinical data of 15 patients with cervical intra-and extra-spinal tumors in Department of Neurosurgery, the First Affiliated Hospital of Bengbu Medical College from January 2013 to February 2017 were retrospectively analyzed. According to Shaw's tumor stage: 6 cases in stage Ⅰ, 5 cases in stage Ⅱ, 3 cases in stage Ⅲ, and 1 case in stage Ⅳ. About the surgical methods: 9 cases were treated via posterior median semi-laminectomy approach, of which were internal fixation in 2 cases, and via posterior median approach spinous process and vertebral plate complex orthotopic replantation to spinal canal plasty in 3 cases, other 3 cases were operated via anterior cervical approach, including internal fixation in 1 case...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647984/-screening-on-key-techniques-used-for-surveillance-and-disposal-of-public-health-emergencies
#4
Q R Zhu, L Yang, H Y Ma, W Q Xie, L M Cong, L W Xu
Objective: To explore the key techniques used for surveillance and disposal of infectious diseases, food poisoning and hospital infection to improve the ability of surveillance and disposal on public health emergency. Methods: Framework on surveillance and disposal of infectious diseases, food poisoning and hospital infection was set up, based on literature review and expert group discussion. Delphi method and technique for order preference by similarity to ideal solution comprehensive evaluation method were used for ordering preference by similarity, to screen key techniques set for surveillance and disposal of the above said events...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28647909/organic-matter-export-to-the-seafloor-in-the-baltic-sea-drivers-of-change-and-future-projections
#5
Tobias Tamelander, Kristian Spilling, Monica Winder
The impact of environmental change and anthropogenic stressors on coastal marine systems will strongly depend on changes in the magnitude and composition of organic matter exported from the water column to the seafloor. Knowledge of vertical export in the Baltic Sea is synthesised to illustrate how organic matter deposition will respond to climate warming, climate-related changes in freshwater runoff, and ocean acidification. Pelagic heterotrophic processes are suggested to become more important in a future warmer climate, with negative feedbacks to organic matter deposition to the seafloor...
June 24, 2017: Ambio
https://www.readbyqxmd.com/read/28647873/degradation-of-3-4-dichlorobenzotrifluoride-by-the-fenton-like-process-using-zirconia-coated-magnetite-magnetic-nanoparticles-as-an-effective-heterogeneous-catalyst
#6
Hai Chen, Zhengnan Sun, Zhilin Yang, Zhonglei Zhang, Jianlong Wang, Mingbao Feng, Qi Yang
In this study, zirconia-coated magnetite magnetic nanoparticles (ZrO2/Fe3O4 MNPs) were prepared, characterized, and used as an effective and reusable heterogeneous catalyst for 3,4-dichlorobenzotrifluoride (3,4-DCBTE) degradation. The catalytic potential of the Fe3O4/ZrO2-H2O2 system for the removal of 3,4-DCBTE was tested in comparison with several other systems, and the effects of various operating parameters, including initial solution pH, catalyst addition, H2O2 concentrations, and reaction temperature, were also evaluated with respect to the degradation efficiency of 3,4-DCBTE...
June 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28647847/the-processing-of-price-comparison-is-not-holistic-but-componential
#7
Pedro Macizo, Fernando Ojedo
In three experiments, we evaluate whether the processing of prices is holistic or componential. When participants receive two prices and they select the higher price, distance effects are found when the distances between the two prices are defined holistically but not when they are defined in terms of digits (Experiment 1). This result suggests that prices are processed holistically. However, we show that the holistic distance effect can be explained by the compatibility between the digits and the monetary category of prices (euro and cent)...
June 24, 2017: Psychological Research
https://www.readbyqxmd.com/read/28647731/recovery-of-vocal-fold-epithelium-after-acute-phonotrauma
#8
Bernard Rousseau, Tsuyoshi Kojima, Carolyn K Novaleski, Emily E Kimball, Carla V Valenzuela, Masanobu Mizuta, James J Daniero, C Gaelyn Garrett, M Preeti Sivasankar
We investigated the timeline of tissue repair of vocal fold epithelium after acute vibration exposure using an in vivo rabbit model. Sixty-five New Zealand white breeder rabbits were randomized to 120 min of modal- or raised-intensity phonation. After the larynges were harvested at 0, 4, 8, and 24 h, and at 3 and 7 days, the vocal fold tissue was evaluated using electron microscopy and quantitative real-time polymerase chain reaction. There was an immediate decrease in the microprojection depth and height following raised-intensity phonation, paired with upregulation of cyclooxygenase-2...
June 24, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28647729/analgesic-effects-of-diluted-bee-venom-acupuncture-mediated-by-%C3%AE-opioid-and-%C3%AE-2-adrenergic-receptors-in-osteoarthritic-rats
#9
Jeong-Eun Huh, Byung-Kwan Seo, Jung-Woo Lee, Yeon-Cheol Park, Yong-Hyeon Baek
Context • Pain from osteoarthritis is associated with peripheral nociception and central pain processing. Given the unmet need for innovative, effective, and well-tolerated therapies, many patients, after looking for more satisfactory alternatives, decide to use complementary and alternative modalities. The analgesic mechanism of subcutaneous injections of diluted bee venom into an acupoint is thought to be part of an anti-inflammatory effect and the central modulation of pain processing. Objectives • Using the rat model of collagenase-induced osteoarthritis (CIOA), the study intended to investigate the analgesic effects of bee venom acupuncture (BVA) as they are related to the acupuncture points and dosage used and to determine whether the analgesic mechanisms of BVA for pain were mediated by opioid or adrenergic receptors...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28647657/distribution-and-network-of-basal-temporal-language-areas-a-study-of-the-combination-of-electric-cortical-stimulation-and-diffusion-tensor-imaging
#10
Rei Enatsu, Aya Kanno, Satoshi Ookawa, Satoko Ochi, Sumio Ishiai, Takashi Nagamine, Nobuhiro Mikuni
OBJECTIVE: The basal temporal language area (BTLA) is considered to have several functions in language processing; however, its brain network is still unknown. This study investigated the distribution and networks of the BTLA using a combination of electric cortical stimulation and diffusion tensor imaging (DTI). METHOD: Ten patients with intractable focal epilepsy who underwent presurgical evaluation with subdural electrodes were enrolled in this study (language dominant side: six patients, language non-dominant side: four patients)...
June 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28647649/recovery-after-pilp-remineralization-of-dentin-lesions-created-with-two-cariogenic-acids
#11
K Saeki, Y-C Chien, G Nonomura, A F Chin, S Habelitz, L B Gower, S J Marshall, G W Marshall
OBJECTIVES: Acetate and lactate are important cariogenic acids produced by oral bacteria. They produced different residual dentin structures in artificial lesions of similar depth. We evaluated if such lesions responded in the same way to a polymer-induced-liquid-precursor (PILP) remineralization. DESIGN: Dentin blocks obtained from human third molars, divided into 6 groups (n=3). Blocks were demineralized with acetate (66h) or lactate (168h) buffer at pH 5.0 to create 140μm target lesion depths...
June 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28647618/genetic-and-ecological-processes-promoting-early-diversification-in-the-lowland-mesoamerican-bat-sturnira-parvidens-chiroptera-phyllostomidae
#12
Giovani Hernández-Canchola, Livia León-Paniagua
With 22 species, Sturnira is the most speciose genus of frugivorous Neotropical bats. Sturnira parvidens inhabits lowland tropical areas from Mexico to Central America. The elevation of this taxon to species level was recent, and discrepancies with respect to its geographic limits and phylogenetic position continue to exist. In order to identify genetic and ecological processes likely involved in the diversification and current distribution of S. parvidens, we evaluated relationships, researched phylogeographic and demographic history, and tested the divergence/conservatism of the climatic niche of this bat...
June 21, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28647598/functional-brain-networks-during-picture-encoding-and-recognition-in-different-odor-contexts
#13
J L Reichert, M Ninaus, W Schuehly, C Hirschmann, D Bagga, V Schöpf
Contextual odors can serve as retrieval cues when applied during encoding and recall/recognition of information. To investigate the neuronal basis of these observations, we collected functional MRI data while participants (n=51) performed an encoding and recognition memory task during which odors (congruent: CO or incongruent: IO) were presented as contextual cues. Recognition performance was not influenced by odor, but there was increased activation in the piriform cortex during successful encoding in the CO group, possibly indicating enhanced retrieval of information previously integrated with an olfactory percept...
June 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28647583/the-temporal-expression-of-adipokines-during-spinal-fusion
#14
Sohrab Virk, Alicia L Bertone, Hayam Hamaz Hussein, Jeffrey M Toth, Mari Kaido, Safdar Khan
BACKGROUND CONTEXT: Adipokines are secreted by white adipose tissue and have been associated with fracture healing. Our goal was to report the temporal expression of adipokines during spinal fusion in an established rabbit model. PURPOSE: Our goal was to report the temporal expression of adipokines during spinal fusion in an established rabbit model. STUDY DESIGN: Laboratory animal model METHODS: New Zealand white rabbits were assigned to either sham surgery (n=2), unilateral posterior spinal fusion (n=14) or bilateral posterior spinal fusion (n=14)...
June 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28647555/normalizing-the-gene-dosage-of-dyrk1a-in-a-mouse-model-of-down-syndrome-rescues-several-alzheimer-s-disease-phenotypes
#15
Susana García-Cerro, Noemí Rueda, Verónica Vidal, Sara Lantigua, Carmen Martínez-Cué
The intellectual disability that characterizes Down syndrome (DS) is primarily caused by prenatal changes in central nervous system growth and differentiation. However, in later life stages, the cognitive abilities of DS individuals progressively decline due to accelerated aging and the development of Alzheimer's disease (AD) neuropathology. The AD neuropathology in DS has been related to the overexpression of several genes encoded by Hsa21 including DYRK1A (dual-specificity tyrosine-(Y)-phosphorylation regulated kinase 1A), which encodes a protein kinase that performs crucial functions in the regulation of multiple signaling pathways that contribute to normal brain development and adult brain physiology...
June 21, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28647546/a-review-of-the-effects-of-very-low-nicotine-content-cigarettes-on-behavioral-and-cognitive-performance
#16
Diana R Keith, Allison N Kurti, Danielle R Davis, Ivori A Zvorsky, Stephen T Higgins
The present systematic review examines whether very low nicotine content (VLNC) cigarettes ameliorate withdrawal-induced impairments in behavioral/cognitive performance. PubMed, PsycInfo, and Web of Science were searched for performance effects of VLNC cigarettes. For inclusion, reports had to be in English, published in a peer-reviewed journal through June 2017, examine VLNC cigarettes (<0.2mg nicotine yield), include ≥2hour smoking abstinence or reduced nicotine exposure, and examine performance. 19 of 1243 articles reviewed met inclusion criteria...
June 21, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28647543/healthy-eating-and-activity-across-the-lifespan-heal-a-call-to-action-to-integrate-research-clinical-practice-policy-and-community-resources-to-address-weight-related-health-disparities
#17
Jerica M Berge, Margaret Adamek, Caitlin Caspi, Katie A Loth, Amy Shanafelt, Steven D Stovitz, Amanda Trofholz, Katherine Y Grannon, Marilyn S Nanney
Despite intense nationwide efforts to improve healthy eating and physical activity across the lifespan, progress has plateaued. Moreover, health inequities remain. Frameworks that integrate research, clinical practice, policy, and community resources to address weight-related behaviors are needed. Implementation and evaluation of integration efforts also remain a challenge. The purpose of this paper is to: (1) Describe the planning and development process of an integrator entity, HEAL (Healthy Eating and Activity across the Lifespan); (2) present outcomes of the HEAL development process including the HEAL vision, mission, and values statements; (3) define the planned integrator functions of HEAL; and (4) describe the ongoing evaluation of the integration process...
June 21, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28647512/effect-of-dipeptidyl-peptidase-4-inhibitors-on-circulating-tumor-necrosis-factor-%C3%AE-concentrations-a-systematic-review-and-meta-analysis-of-controlled-trials
#18
REVIEW
Stephen L Atkin, Niki Katsiki, Maciej Banach, Dimitri P Mikhailidis, Matteo Pirro, Amirhossein Sahebkar
OBJECTIVE: Dipeptidyl peptidase-4 (DPP-4) inhibitors improve glycemic control in patients with type 2 diabetes mellitus. There are also reports of an effect of these drugs in reducing inflammation through inhibition of tumor necrosis factor-α (TNF-α) that is an important mediator for several inflammatory processes. The present systematic review and meta-analysis were performed to evaluate the effect of DPP-4 inhibitors on circulating TNF-α levels in T2DM patients. METHODS: A systematic review and a meta-analysis were undertaken on all controlled trials of DPP-4 inhibitors that included measurement of TNF-α...
June 3, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28647496/a-comprehensive-complex-systems-approach-to-the-study-and-analysis-of-mammalian-cell-cycle-control-system-in-the-presence-of-dna-damage-stress
#19
Ali Abroudi, Sandhya Samarasinghe, Don Kulasiri
Not many models of mammalian cell cycle system exist due to its complexity. Some models are too complex and hard to understand, while some others are too simple and not comprehensive enough. Moreover, some essential aspects, such as the response of G1-S and G2-M checkpoints to DNA damage as well as the growth factor signalling, have not been investigated from a systems point of view in current mammalian cell cycle models. To address these issues, we bring a holistic perspective to cell cycle by mathematically modelling it as a complex system consisting of important sub-systems that interact with each other...
June 21, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28647454/elevated-serum-met-5-enkephalin-levels-correlate-with-improved-clinical-and-behavioral-outcomes-in-experimental-autoimmune-encephalomyelitis
#20
Michael D Ludwig, Ian S Zagon, Patricia J McLaughlin
Methionine enkephalin ([Met(5)]-enkephalin, Opioid growth factor (OGF)) is a small neuropeptide with growth-related as well as immunomodulatory properties. OGF is distributed widely throughout the body, is both autocrine and paracrine produced, and has a very short half-life in serum. In addition to its neurotransmitter functions, OGF inhibits cell replication of a wide variety of cells involved in the autoimmune process. In this preclinical study, mice were immunized with myelin oligodendrocytic glycoprotein (MOG35-55) to establish a chronic progressive form of autoimmune encephalomyelitis (EAE), and serum enkephalin levels were assessed throughout the disease as well as in response to OGF therapy in order to determine whether OGF may be a biological marker for EAE and multiple sclerosis...
June 21, 2017: Brain Research Bulletin
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