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https://www.readbyqxmd.com/read/28445952/socs3-inhibits-the-pathological-effects-of-il-22-in-non-melanoma-skin-tumor-derived-keratinocytes
#1
Stefania Madonna, Claudia Scarponi, Martina Morelli, Rosanna Sestito, Pasqualina Liana Scognamiglio, Daniela Marasco, Cristina Albanesi
Basal cell carcinomas (BCC) and squamous-cell carcinomas (SCC) are common malignancies in humans, caused by neoplastic transformation of keratinocytes of the basal or suprabasal layers of epidermis, respectively. Tumor-infiltrating lymphocytes (TILs) are frequently found in BCC and SCC, and functionally promote epithelial carcinogenesis. TILs secreting IL-22, in particular, participate to BCC and SCC growth by inducing keratinocyte proliferation and migration, as well as the expression of inflammatory, anti-apoptotic and pro-angiogenic genes...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445822/identification-of-the-inactivating-factors-and-mechanisms-exerted-on-ms2-coliphage-in-concentrated-synthetic-urine
#2
Wakana Oishi, Daisuke Sano, Loic Decrey, Syunsuke Kadoya, Tamar Kohn, Naoyuki Funamizu
Volume reduction (condensation) is a key for the practical usage of human urine as a fertilizer because it enables the saving of storage space and the reduction of transportation cost. However, concentrated urine may carry infectious disease risks resulting from human pathogens frequently present in excreta, though the survival of pathogens in concentrated urine is not well understood. In this study, the inactivation of MS2 coliphage, a surrogate for single-stranded RNA human enteric viruses, in concentrated synthetic urine was investigated...
April 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28445704/development-of-standard-methods-for-zika-virus-propagation-titration-and-purification
#3
Sharton Vinicius Antunes Coelho, Rômulo Leão Silva Neris, Michelle Premazzi Papa, Laila Castro Schnellrath, Lana Monteiro Meuren, Diogo A Tschoeke, Luciana Leomil, Brunno Renato Farias Verçoza, Milene Miranda, Fabiano L Thompson, Andrea Thompson Da Poian, Thiago Moreno L Souza, Fabiana Avila Carneiro, Clarissa R Damaso, Iranaia Assunção-Miranda, Luciana Barros de Arruda
The emergence of Zika virus (ZIKV) infection has stimulated several research groups to study and collaborate to understand virus biology and pathogenesis. These efforts may assist with the development of antiviral drugs, vaccines and diagnostic tests, as well as to promote advancements in public health policies. Here, we aim to develop standard protocols for propagation, titration, and purification of Asian and Brazilian ZIKV strains, by systematically testing different cell types, kinetics, multiplicity of infection and centrifugation protocols...
April 23, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28445620/smad4-inhibits-vegf-a-and-vegf-c-expressions-via-enhancing-smad3-phosphorylation-in-colon-cancer
#4
Xuemei Li, Xinlei Li, Xiaohong Lv, Jianbing Xiao, Baoquan Liu, Yafang Zhang
Smad4 is a critical factor in the TGF-β pathway and is involved in tumor progression and metastasis, but the role of Smad4 in colon cancer cells is unclear. The aim of this study is to explore the effect and the underlying mechanism of Smad4 on the growth, migration and apoptosis of colon cancer cells as well as vascular endothelial growth factor (VEGF)-A and VEGF-C secreted by these cells. In this study, we showed that Smad4, VEGF-A and VEGF-C are independent prognostic factors of colon cancer, and Smad4 expression was negatively correlated with VEGF-A and -C in samples...
April 26, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28445489/video-quality-assessment-using-motion-compensated-temporal-filtering-and-manifold-feature-similarity
#5
Yang Song, Mei Yu, Gangyi Jiang, Feng Shao, Zongju Peng
Well-performed Video quality assessment (VQA) method should be consistent with human visual systems for better prediction accuracy. In this paper, we propose a VQA method using motion-compensated temporal filtering (MCTF) and manifold feature similarity. To be more specific, a group of frames (GoF) is first decomposed into a temporal high-pass component (HPC) and a temporal low-pass component (LPC) by MCTF. Following this, manifold feature learning (MFL) and phase congruency (PC) are used to predict the quality of temporal LPC and temporal HPC respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28445270/pooled-analysis-on-the-necessity-of-random-4-quadrant-cervical-biopsies-and-endocervical-curettage-in-women-with-positive-screening-but-negative-colposcopy
#6
Shang-Ying Hu, Wen-Hua Zhang, Shu-Min Li, Nan Li, Man-Ni Huang, Qin-Jing Pan, Xun Zhang, Ying Han, Fang-Hui Zhao, Wen Chen, You-Lin Qiao
Controversy remains over whether random cervical biopsies and endocervical curettage (ECC) should be used in women with positive screening but negative colposcopy. Our paper aims to determine the indications for random biopsies and ECC among these screened positive women.Three thousand two hundred thirteen women with any positive screening test result but negative colposcopy, who received random 4-quadrant biopsies, were pooled from 17 population-based cervical cancer screening studies done in China from 1999 to 2008...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445233/preclinical-models-for-translational-sarcoma-research
#7
Rainer Hamacher, Sebastian Bauer
PURPOSE OF REVIEW: Sarcoma is a basket term for mesenchymal tumors for which more than 75 genetically and histologically distinct subtypes are recognized. Therapeutic progress has largely been achieved with classical chemotherapeutic drugs that were tested in empirical clinical trials. However, outcome in metastatic patients remains poor and with few exceptions numerous trials have failed or only provided limited improvement in recent years. RECENT FINDINGS: Given the genomic heterogeneity, preclinical model systems will be indispensable to identify new molecular targets and to prioritize drugs and drug combinations...
April 25, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28445124/a-novel-triazolonaphthalimide-induces-apoptosis-and-inhibits-tumor-growth-by-targeting-dna-and-dna-associated-processes
#8
Liyan Ji, Simin Yang, Shasha Li, Shan Liu, Shunan Tang, Zhongqiu Liu, Xiangbao Meng, Siwang Yu
DNA and DNA-associated processes have been classes of the most important targets of chemotherapeutic drugs. As classic DNA intercalators and topoisomerase inhibitors, naphthalimides have been extensively investigated as potential anti-cancer drugs. We recently synthesized a novel series of triazolonaphthalimides with excellent anti-cancer activities. In the present study, one of the most potent triazolonaphthalimides, LSS-11, was investigated. LSS-11 bound to DNA in vitro and in cell mainly by minor groove binding and significantly increased the stability of DNA, which could be fundamental for the biological activities of LSS-11...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444962/fine-scale-species-distribution-changes-in-a-mixed-oak-stand-over-two-successive-generations
#9
Laura Truffaut, Emilie Chancerel, Alexis Ducousso, Jean Luc Dupouey, Vincent Badeau, François Ehrenmann, Antoine Kremer
Large-scale tree distribution changes have received considerable attention but underlying demo-genetic mechanisms are less well documented. We used a diachronic approach to track species shifts in a mixed oak stand (Quercus petraea-Quercus robur) at a fine spatiotemporal scale. Species assignment was made using single nucleotide polymorphism (SNP) fingerprints employing clustering and parentage analysis. Mating patterns and reproductive success were assessed by parentage analysis. Plot-based inventories of soil parameters and sapling densities provided ecological and demographic information, respectively...
April 26, 2017: New Phytologist
https://www.readbyqxmd.com/read/28444933/synergistic-effect-of-carbon-nuclei-and-polyaromatic-hydrocarbons-on-respiratory-and-immune-responses
#10
Pratiti H Chowdhury, Gaku Kitamura, Akiko Honda, Takahiro Sawahara, Tomohiro Hayashi, Wataru Fukushima, Hitomi Kudo, Sho Ito, Seiichi Yoshida, Takamichi Ichinose, Kayo Ueda, Hirohisa Takano
Particulate matter with aerodynamic diameter ≤2.5 μm (PM2.5 ) is generally composed of carbon nuclei associated with various organic carbons, metals, ions and biological materials. Among these components, polyaromatic hydrocarbons (PAHs) such as benzo(a)pyrene (BaP) and quinones have detrimental effects on airway epithelial cells and immunodisrupting effects, which leads to the exacerbation of respiratory allergies. The effects of PAHs and the carbon nuclei, separately as well as in combination, remain to be established...
April 26, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28444864/dose-reduction-and-alternatives-to-the-phenol-pheromone-in-monitoring-and-management-of-the-grass-grub-costelytra-zealandica
#11
Aimee R Harper, C Rikard Unelius, Richard J Townsend, David Maxwell Suckling
BACKGROUND: Endemic New Zealand grass grub Costelytra zealandica is a pest of introduced pasture that uses phenol as a sex pheromone. The pheromone could be used to monitor and manage grass grub populations, but the irritating properties and toxicity of phenol for human handlers, as well as the possible ecotoxicological effects, pose obstacles to the deployment of the pheromone. This study aimed to limit the use of phenol by dose-response studies and investigation into alternative attractants and synergists to phenol...
April 26, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28444848/biologically-meaningful-scents-a-framework-for-understanding-predator-prey-research-across-disciplines
#12
Michael H Parsons, Raimund Apfelbach, Peter B Banks, Elissa Z Cameron, Chris R Dickman, Anke S K Frank, Menna E Jones, Ian S McGregor, Stuart McLean, Dietland Müller-Schwarze, Elisa E Sparrow, Daniel T Blumstein
Fear of predation is a universal motivator. Because predators hunt using stealth and surprise, there is a widespread ability among prey to assess risk from chemical information - scents - in their environment. Consequently, scents often act as particularly strong modulators of memory and emotions. Recent advances in ecological research and analytical technology are leading to novel ways to use this chemical information to create effective attractants, repellents and anti-anxiolytic compounds for wildlife managers, conservation biologists and health practitioners...
April 26, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28444643/fostering-incidental-experiences-of-nature-through-green-infrastructure-planning
#13
Thomas H Beery, Christopher M Raymond, Marketta Kyttä, Anton Stahl Olafsson, Tobias Plieninger, Mattias Sandberg, Marie Stenseke, Maria Tengö, K Ingemar Jönsson
Concern for a diminished human experience of nature and subsequent decreased human well-being is addressed via a consideration of green infrastructure's potential to facilitate unplanned or incidental nature experience. Incidental nature experience is conceptualized and illustrated in order to consider this seldom addressed aspect of human interaction with nature in green infrastructure planning. Special attention has been paid to the ability of incidental nature experience to redirect attention from a primary activity toward an unplanned focus (in this case, nature phenomena)...
April 25, 2017: Ambio
https://www.readbyqxmd.com/read/28444635/the-leukocentric-theory-of-neurological-disorder-a-manifesto
#14
Robert Fern
Approximately half of the human brain is composed of white matter (WM), a specialized tissue housing the axonal projection of neurons and their necessary supporting glial cells. Axons course long distances from their parent soma, have a delicate structure, large surface area and in many cases are dependent upon a uniquely close morphological arrangement with myelinating oligodendrocyte partners; all factors that may predispose them to injury and disease. WM damage is central to a range of well-characterized disorders including multiple sclerosis and spinal cord injury and is also makes a significant contribution to disorders often considered to be largely focused in gray matter; for example, in stroke where ~49% of injury by volume is located in WM...
April 25, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28444600/antibiotic-sensitivity-pattern-of-indigenous-lactobacilli-isolated-from-curd-and-human-milk-samples
#15
Chetan Sharma, Sachin Gulati, Nishchal Thakur, Brij Pal Singh, Sanjolly Gupta, Simranpreet Kaur, Santosh Kumar Mishra, Anil Kumar Puniya, Jatinder Pal Singh Gill, Harsh Panwar
The gut microbiota plays a vital role in host well-being and lactic acid bacteria (LAB) have gained an overwhelming attention as health promoter. This perception has evolved from traditional dairy products to a money-spinning market of probiotics. The safety of probiotics is coupled to their intended use and LAB may act as pool of antimicrobial resistance genes that could be transferred to pathogens, either in food matrix or in gastrointestinal tract, which could be detrimental to host. This study evaluated the antibiotic susceptibility patterns of LAB isolated from curd (20) and human milk (11) samples...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444390/characterisation-of-drug-specific-signalling-between-primary-human-hepatocytes-and-immune-cells
#16
Monday O Ogese, Lee Faulkner, Roz E Jenkins, Neil S French, Ian M Copple, Daniel J Antoine, Mohamed Elmasry, Hasan Malik, Christopher E Goldring, B Kevin Park, Catherine Betts, Dean J Naisbitt
It is now apparent that antigen-specific T-cells are activated in certain patients with drug-induced liver injury (DILI). Since cross-talk between hepatocytes and immune cells is likely to be critical in determining the outcome of drug exposure, the aim of this study was to profile the signals released by drug-treated hepatocytes and to characterise the impact of these molecules on dendritic cells. Human hepatocytes were exposed to three drugs (flucloxacillin, amoxicillin and isoniazid) associated with DILI potentially mediated by the adaptive immune system as drug-specific T-cells have been isolated from DILI patients, and the metabolite nitroso-sulfamethoxazole (SMX-NO)...
April 21, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28444241/cervical-spine-muscle-tendon-unit-length-differences-between-neutral-and-forward-head-postures-biomechanical-study-using-human-cadaveric-specimens
#17
Saeed Khayatzadeh, Olivia A Kalmanson, Dale Schuit, Robert M Havey, Leonard I Voronov, Alexander J Ghanayem, Avinash G Patwardhan
Background: Forward Head Posture (FHP) may be associated with neck pain and poor health-related quality of life. Literature describes only qualitative muscle length changes associated with FHP. Objective: To quantify how muscle-tendon unit lengths are altered when human cadaveric specimens are placed in alignments representing different severities of FHP. Design: Biomechanical study using 13 fresh-frozen cadaveric cervical spine specimens (Occiput-T1, 54±15yrs)...
April 21, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28444197/understanding-the-linkages-between-social-safety-nets-and-childhood-violence-a-review-of-the-evidence-from-low-and-middle-income-countries
#18
Amber Peterman, Anastasia Naomi Neijhoft, Sarah Cook, Tia M Palermo
As many as one billion children experience violence every year, and household- and community-level poverty are among the risk factors for child protection violations. Social safety nets (SSNs) are a main policy tool to address poverty and vulnerability, and there is substantial evidence demonstrating positive effects on children's health and human capital. This paper reviews evidence and develops a framework to understand linkages between non-contributory SSNs and the experience of childhood emotional, physical and sexual violence in low- and middle-income countries...
April 22, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28444193/quantitative-assessment-of-timing-efficiency-specificity-and-genetic-mosaicism-of-crispr-cas9-mediated-gene-editing-of-hemoglobin-beta-gene-in-rhesus-monkey-embryos
#19
Uros Midic, Pei-Hsuan Hung, Kailey A Vincent, Benjamin Goheen, Patrick G Schupp, Diane D Chen, Daniel E Bauer, Catherine A VandeVoort, Keith E Latham
Gene editing technologies offer new options for developing novel biomedical research models and for gene and stem cell based therapies. However, applications in many species demand high efficiencies, specificity, and a thorough understanding of likely editing outcomes. To date, overall efficiencies, rates of off-targeting, and degree of genetic mosaicism have not been well-characterized for most species, limiting our ability to optimize methods. As a model gene for measuring these parameters of CRISPR/Cas9 application in a primate species (rhesus monkey), we selected the β-hemoglobin gene (HBB), which also has high relevance to potential application of gene editing and stem-cell technologies for treating human disease...
April 21, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28443516/synergistic-effect-of-graphene-oxide-coated-nanotised-apigenin-with-paclitaxel-go-na-ptx-a-ros-dependent-mitochondrial-mediated-apoptosis-in-ovarian-cancer
#20
Manish Kumar Pal, Shyam Pyari Jaiswar, Ashish Dwivedi, Shruti Goyal, Vinay Nand Dwivedi, Anumesh Kumar Pathak, Vinod Kumar, Pushp Lata Sankhwar, Ratan Singh Ray
Ovarian cancer is most lethal among all gynecologic malignancies. Paclitaxel (PTX) is well used chemotherapeutic regimen for cancer control; however its undesired toxicity has been always a matter of concern for clinicians. Here we used the graphene oxide coated nanotised apigenin (GO-NA) as chemo sensitizing agent to enhance the efficacy of paclitaxel to overcome the limitations of chemotherapy. GO and GO-Apigenin was prepared by modified Hummers method and the nanoparticles were characterized by dynamic light scattering and transmission electron microscopy Human ovarian adenocarcinomas (SKOV-3) cells was treated by DMSO, Group I (Control)-McCoy's 5A Medium, Group II-Paclitaxel (5nM) alone, Group III- Nanotised Apigenin (GO-NA-10μM) Group IV- Paclitaxel (5nM) + GO-NA (10μM)...
April 24, 2017: Anti-cancer Agents in Medicinal Chemistry
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