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https://www.readbyqxmd.com/read/28723925/immunologic-response-to-vaccine-challenge-in-pregnant-ptpn22-r620w-carriers-and-non-carriers
#1
Shelly H Tien, Juliet N Crabtree, Heather L Gray, Erik J Peterson
OBJECTIVES: Influenza infection is a significant cause of respiratory morbidity among pregnant women. Seasonal influenza vaccination engages innate immune receptors to promote protective immunity. A coding polymorphism (R620W) in PTPN22 imparts elevated risk for human infection and autoimmune disease, predisposes to diminished innate immune responses, and associates with reduced immunization responses. We sought to quantify the effects of PTPN22-R620W on humoral and cell-mediated immune responses to the inactivated influenza vaccine among healthy pregnant women...
2017: PloS One
https://www.readbyqxmd.com/read/28722668/coupling-to-a-cancer-selective-heparan-sulfate-targeted-branched-peptide-can-by-pass-breast-cancer-cell-resistance-to-methotrexate
#2
Lorenzo Depau, Jlenia Brunetti, Chiara Falciani, Silvia Scali, Giulia Riolo, Elisabetta Mandarini, Alessandro Pini, Luisa Bracci
Cancer-selective tetra-branched peptides, named NT4, can be coupled to different functional units for cancer cell imaging or therapy. NT4 peptides specifically bind to lipoprotein receptor-related proteins (LRP) receptors and to heparan sulfate chains on membrane proteoglycans and can be efficiently internalized by cancer cells expressing these membrane targets. Since binding and internalization of NT4 peptides is mediated by specific NT4 receptors on cancer cell membranes and this may allow drug resistance produced by drug membrane transporters to be by-passed, we tested the ability of drug-armed NT4 to by-pass drug resistance in cancer cell lines...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722485/characterization-of-nontyphoidal-salmonella-isolates-from-asymptomatic-migrant-food-handlers-in-peninsular-malaysia
#3
Pei Yee Woh, Kwai Lin Thong, Jerzy Marian Behnke, John Watkin Lewis, Siti Nursheena Mohd Zain
Asymptomatic Salmonella carriers who work as food handlers pose food safety and public health risks, particularly during food preparation, and this has serious implications for the disease burden in society. Therefore, we conducted a study to determine the number of Salmonella carriers in a migrant cohort in several food establishments in three major cities in Peninsular Malaysia. Sociodemographic data and stool samples were collected and analyzed using standard methods of detection and isolation. Antimicrobial susceptibility tests of the positive samples were also performed...
July 19, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28722147/surface-isoelectric-focusing-sief-with-carrier-ampholyte-ph-gradient
#4
Zhichao Wang, Cornelius Ivory, Adrienne R Minerick
Isoelectric focusing (IEF) is a powerful tool for amphoteric protein separations because of high sensitivity, bio-compatibility, and reduced complexity compared to chromatography or mechanical separation techniques. IEF miniaturization is attractive because it enables rapid analysis, easier adaptation to point of care applications, and smaller sample demands. However, existing small-scale IEF tools have not yet been able to analyze single protein spots from array libraries, which are ubiquitous in many pharmaceutical discovery and screening protocols...
July 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28721858/detection-of-african-swine-fever-virus-in-the-tissues-of-asymptomatic-pigs-in-smallholder-farming-systems-along-the-kenya-uganda-border-implications-for-transmission-in-endemic-areas-and-asf-surveillance-in-east-africa
#5
Edward Okoth Abworo, Cynthia Onzere, Joshua Oluoch Amimo, Victor Riitho, Waithaka Mwangi, Jocelyn Davies, Sandra Blome, Richard Peter Bishop
The persistence of African swine fever virus (ASFV) in endemic areas, with small-scale but regular outbreaks in domestic pigs, is not well understood. ASFV has not been detected using conventional diagnosis in these pigs or adjacent populations of resistant African wild pigs, that could act as potential carriers during the outbreaks. However, such data are crucial for the design of evidence-based control strategies. We conducted cross-sectional (1107 pigs) and longitudinal (100 pigs) monitoring of ASFV prevalence in local pigs in Kenya and Uganda...
July 18, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28720486/loss-of-synaptic-zinc-transport-in-progranulin-deficient-mice-may-contribute-to-progranulin-associated-psychopathology-and-chronic-pain
#6
Stefanie Hardt, Juliana Heidler, Boris Albuquerque, Lucie Valek, Christine Altmann, Annett Wilken-Schmitz, Michael K E Schäfer, Ilka Wittig, Irmgard Tegeder
Affective and cognitive processing of nociception contributes to the development of chronic pain and vice versa, pain may precipitate psychopathologic symptoms. We hypothesized a higher risk for the latter with immanent neurologic diseases and studied this potential interrelationship in progranulin-deficient mice, which are a model for frontotemporal dementia, a disease dominated by behavioral abnormalities in humans. Young naïve progranulin deficient mice behaved normal in tests of short-term memory, anxiety, depression and nociception, but after peripheral nerve injury, they showed attention-deficit and depression-like behavior, over-activity, loss of shelter-seeking, reduced impulse control and compulsive feeding behavior, which did not occur in equally injured controls...
July 15, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28720088/sex-is-a-moderator-of-the-association-between-nos1ap-sequence-variants-and-qtc-in-two-long-qt-syndrome-founder-populations-a-pedigree-based-measured-genotype-association-analysis
#7
Annika Winbo, Eva-Lena Stattin, Ida Maria Westin, Anna Norberg, Johan Persson, Steen M Jensen, Annika Rydberg
BACKGROUND: Sequence variants in the NOS1AP gene have repeatedly been reported to influence QTc, albeit with moderate effect sizes. In the long QT syndrome (LQTS), this may contribute to the substantial QTc variance seen among carriers of identical pathogenic sequence variants. Here we assess three non-coding NOS1AP sequence variants, chosen for their previously reported strong association with QTc in normal and LQTS populations, for association with QTc in two Swedish LQT1 founder populations...
July 18, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28719023/identification-of-odorant-binding-and-chemosensory-protein-genes-and-the-ligand-affinity-of-two-of-the-encoded-proteins-suggest-a-complex-olfactory-perception-system-in-periplaneta-americana
#8
P He, Z-Q Li, Y-F Zhang, L Chen, J Wang, L Xu, Y-N Zhang, M He
The American cockroach (Periplaneta americana) is an urban pest with a precise chemosensory system that helps it achieve complex physiological behaviours, including locating food and mating. However, its chemosensory mechanisms have not been well studied. Here, we identified 71 putative odorant carrier protein genes in P. americana, including 57 new odorant-binding proteins (OBPs) and 11 chemosensory proteins (CSPs). To identify their physiological functions, we investigated their tissue expression patterns in antennae, mouthparts, legs, and the remainder of the body of both sexes, and determined that most of these genes were expressed in chemosensory organs...
July 18, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/28718863/nya-rutiner-f%C3%A3-r-smittskydds%C3%A2-%C3%A3-tg%C3%A3-rder-vid-ehec-infektion-endast-ehec-som-b%C3%A3-r-p%C3%A3-stx2-genen-kan-kopplas-till-hus-%C3%A2-dessa-smittb%C3%A3-rare-m%C3%A3-ste-avst%C3%A3-ngas-fr%C3%A3-n-arbete-eller-f%C3%A3-rskola
#9
Peter Nolskog, Bo Svenungsson, Cecilia Jernberg
New regulations concerning EHEC/VTEC Hemolytic Uremic Syndrome (HUS) is the most severe complication to an infection with EHEC (enterohemorrhagic E. coli), also called VTEC (verocytotoxin-producing E. coli). Risk of severe complications such as HUS is an important reason why the Swedish Communicable Diseases Act (Smittskyddslag. 2004:168) includes infection with EHEC. With very few exceptions, only EHEC with the stx2 gene is associated with HUS. According to the law, persons working with unpackaged foods, infants or severely immunocompromised patients, and children attending preschool can be suspended awaiting negative test results for EHEC...
July 12, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28718514/aldehyde-dehydrogenase-1-a1-regulates-energy-metabolism-in-adipocytes-from-different-species
#10
Kefeng Yang, Christopher Adin, Qiwen Shen, Ly James Lee, Lianbo Yu, Paolo Fadda, Arpad Samogyi, Kathleen Ham, Lu Xu, Chen Gilor, Ouliana Ziouzenkova
BACKGROUND: Survival and longevity of xenotransplants depend on immune function and ability to integrate energy metabolism between cells from different species. However, mechanisms for interspecies cross talk in energy metabolism are not well understood. White adipose tissue stores energy and is capable of mobilization and dissipation of energy as heat (thermogenesis) by adipocytes expressing uncoupling protein 1 (Ucp1). Both pathways are under the control of vitamin A metabolizing enzymes...
July 17, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28718270/salmonella-infection-amongst-food-workers-in-lahore
#11
Sajjad Ullah, Saira Bashir, Akif Qasim
This descriptive observational study was conducted at Pathology lab Jinnah hospital, Lahore, January 2013 to October 2015. We include all the food workers in different restaurants, slaughters, inn, recreation centre and bakeries of Lahore for the purpose to identify the salmonella infection, we used Typhoid IgGI/IgM Rapid test device methods (Serum/Plasma), is a lateral flow chromatographic immunoassay technique were calculated. We analysed 1025 individuals, 62 (6%) were found positive for the said diseases out of which 14 (1...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28717974/improvement-of-oral-bioavailability-of-lopinavir-without-co-administration-of-ritonavir-using-microspheres-of-thiolated-xyloglucan
#12
Ashwini R Madgulkar, Mangesh R Bhalekar, Ashwini A Kadam
Lopinavir is a BCS Class IV drug exhibiting poor bioavailability due to P-gp efflux and limited permeation. The aim of this research was to formulate and characterize microspheres of lopinavir using thiolated xyloglucan (TH-MPs) as carrier to improve its oral bioavailability without co-administration of ritonavir. Thiomeric microspheres were prepared by ionotropic gelation between alginic acid and calcium ions. Interaction studies were performed using Fourier transform infrared spectroscopy (FT-IR). The thiomeric microspheres were characterized for its entrapment efficiency, T80, surface morphology, and mucoadhesion employing in vitro wash off test...
July 17, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28717851/multidrug-resistant-salmonellae-isolated-in-japanese-quails-reared-in-abeokuta-nigeria
#13
Ezekiel O Omoshaba, F O Olufemi, O E Ojo, A O Sonibare, M Agbaje
Salmonellosis is a major bacterial disease causing huge economic losses in the poultry industry worldwide. This study was carried out to determine the period prevalence and antimicrobial susceptibility of Salmonella enterica in Japanese quails in Abeokuta, Nigeria. Four hundred cloacal swabs of quail birds were collected from 4 locations within Abeokuta. Salmonella was isolated from the samples using conventional methods for selective isolation of Salmonella and biochemical identification. Isolates were confirmed by polymerase chain reaction assays for the amplification and detection of Salmonella-associated virulence genes (invA and stn) using specific primers...
July 17, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28717666/whole-exome-sequencing-and-dna-methylation-analysis-in-a-clinical-amyotrophic-lateral-sclerosis-cohort
#14
Fleur C Garton, Beben Benyamin, Qiongyi Zhao, Zhijun Liu, Jacob Gratten, Anjali K Henders, Zong-Hong Zhang, Janette Edson, Sarah Furlong, Sarah Morgan, Susan Heggie, Kathryn Thorpe, Casey Pfluger, Karen A Mather, Perminder S Sachdev, Allan F McRae, Matthew R Robinson, Sonia Shah, Peter M Visscher, Marie Mangelsdorf, Robert D Henderson, Naomi R Wray, Pamela A McCombe
BACKGROUND: Gene discovery has provided remarkable biological insights into amyotrophic lateral sclerosis (ALS). One challenge for clinical application of genetic testing is critical evaluation of the significance of reported variants. METHODS: We use whole exome sequencing (WES) to develop a clinically relevant approach to identify a subset of ALS patients harboring likely pathogenic mutations. In parallel, we assess if DNA methylation can be used to screen for pathogenicity of novel variants since a methylation signature has been shown to associate with the pathogenic C9orf72 expansion, but has not been explored for other ALS mutations...
July 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28717431/polymorphisms-at-activated-protein-c-cleavage-sites-of-factor-v-are-they-important-in-the-absence-of-factor-v-leiden
#15
Ehsan Kheradmand, Shaghayegh Haghjooy-Javanmard, Leila Dehghani, Mohammad Saadatnia
Background: Activated protein C (APC) inactivates factor V (FV) by cleavage of its heavy chain at Arg306, Arg506, Arg679, and Lys994. Mutational changes, which abolish APC cleavage sites, may predispose thrombosis by altering the inactivation process of FV. FV Leiden (FVL) (Arg506Glu) has been demonstrated as a strong risk factor for thrombosis. In the current study, we have studied whether mutations in the cleavage sites of FV for APC, not due to FVL, would have a role in presenting APC resistance (APCR) and initiation of a cerebral thrombotic event...
January 5, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28717368/community-acquired-methicillin-resistant-staphylococcus-aureus-carriage-rate-and-antimicrobial-susceptibility-in-a-tertiary-center-iran
#16
Shervin Shokouhi, Ilad Alavi Darazam, Mohammad-Hossein Zamanian
BACKGROUND: This study was aimed to determine frequency and antimicrobial susceptibility of Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) among colonized patients in outpatient status. MATERIALS AND METHODS: A total of 2000 nasal nares specimens were collected and inoculated on mannitol salt agar. MRSAs were identified based on mannitol positivity and coagulase test followed by cefoxitin disc diffusion test. Antimicrobial susceptibility of MRSA isolates was performed by E-test method for vancomycin and doxycycline as well as disc diffusion method for sulfamethoxazole-trimethoprim (SMX-TMP), erythromycin, linezolid, and clindamycin...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28717308/prevalence-of-methicillin-resistant-staphylococcus-aureus-skin-and-nasal-carriage-isolates-from-bovines-and-its-antibiogram
#17
Alok Kumar, Purushottam Kaushik, Anjay, Pankaj Kumar, Manoj Kumar
AIM: This study was conducted to determine the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in cattle and buffalo and to study their antibiotic resistance pattern. MATERIALS AND METHODS: A total of 136 samples (skin and nasal swab) from cattle and buffalo were collected. MRSA was identified by conventional bacterial culture techniques which were further confirmed by amplification of S. aureus-specific 16S rRNA by polymerase chain reaction (PCR)...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28716750/hexadecylphosphocholine-miltefosine-stabilized-chitosan-modified-ampholipospheres-as-prototype-co-delivery-vehicle-for-enhanced-killing-of-l-donovani
#18
Priyanka Tripathi, Anil Kumar Jaiswal, Anuradha Dube, Prabhat Ranjan Mishra
Lipid nanoparticles are stable, biodegradable and biocompatible carriers offering excellent therapeutic efficacy. Here, a novel effort has been made to develop Miltefosine (HePC- hexadecylphosphocholine) stabilized chitosan anchored nanostructured lipid carriers (NLC) of Amphotericin B (AmB) as co-delivery vehicle to enhance killing of L. donovani. The entrapment efficiency of AmB was achieved upto 85.3% for HePC-AmB-CNLCs with mean particle size of 150.8±8.4nm, and zeta potential value of +28.2±1.1mV, respectively...
July 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28716690/does-player-time-in-game-affect-tackle-technique-in-elite-level-rugby-union
#19
Gregory J Tierney, Karl Denvir, Garreth Farrell, Ciaran K Simms
OBJECTIVES: It has been hypothesised that fatigue may be a major factor in tackle-related injury risk in rugby union and hence more injuries occur in the later stages of a game. The aim of this study is to identify changes in ball carrier or tackler proficiency characteristics, using elite level match video data, as player time-in-game increases. DESIGN: Qualitative observational cohort study. METHODS: Three 2014/15 European Rugby Champions Cup games were selected for ball carrier and tackler proficiency analysis...
July 4, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28716257/associations-between-white-matter-hyperintensities-and-cognitive-decline-over-three-years-in-non-dementia-older-adults-with-memory-complaints
#20
So Young Moon, Philipe de Souto Barreto, Marie Chupin, Jean François Mangin, Ali Bouyahia, Ludovic Fillon, Sandrine Andrieu, Bruno Vellas
We investigated whether the baseline level and overtime changes of white matter hyperintensities (WMH) would be associated with cognitive decline over three years in non-demented older adults with memory complaints. 109 participants with baseline magnetic resonance imaging (MRI) and follow-up cognitive assessments up to 3-year were included; among them, 82 also had a follow-up MRI assessment over three years. WMH volume was obtained by an automated segmentation algorithm. Baseline WMH volumes and change between baseline and follow-up WMH were related to cognitive scores over time using mixed-effect linear regressions...
August 15, 2017: Journal of the Neurological Sciences
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