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https://www.readbyqxmd.com/read/28922851/%C3%AE-endosulfine-arpp-19e-expression-in-a-rat-model-of-stroke
#1
Rupal I Mehta, Natalia Tsymbalyuk, Svetlana Ivanova, Jesse A Stokum, Kyoon Woo, Volodymyr Gerzanich, J Marc Simard
In nutrient restricted environments, the yeast endosulfines Igo1/2 are activated via TORC1 inhibition and function critically to initiate and coordinate the cellular stress response that promotes survival. We examined expression of αEnsa, the mammalian homolog of yeast endosulfines, in rat stroke. Prominent neuronal upregulation of αEnsa was identified in 3 patterns within the ischemic gradient: (1) neurons in GFAP-/HSF1+ cortex showed upregulation and near-complete nuclear translocation of αEnsa protein within hours of ischemic onset; (2) neurons in GFAP+/HSF1+ cortex showed upregulation in cytoplasm and nuclei that persisted for days; (3) neurons in GFAP+/HSF1- cortex showed delayed cytosolic-only upregulation that persisted for days...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28922390/identifying-novel-transcription-factors-involved-in-the-inflammatory-response-by-using-binding-site-motif-scanning-in-genomic-regions-defined-by-histone-acetylation
#2
Peter S Askovich, Stephen A Ramsey, Alan H Diercks, Kathleen A Kennedy, Theo A Knijnenburg, Alan Aderem
The innate immune response to pathogenic challenge is a complex, multi-staged process involving thousands of genes. While numerous transcription factors that act as master regulators of this response have been identified, the temporal complexity of gene expression changes in response to pathogen-associated molecular pattern receptor stimulation strongly suggest that additional layers of regulation remain to be uncovered. The evolved pathogen response program in mammalian innate immune cells is understood to reflect a compromise between the probability of clearing the infection and the extent of tissue damage and inflammatory sequelae it causes...
2017: PloS One
https://www.readbyqxmd.com/read/28921966/tool-for-rapid-analysis-of-glycopeptide-by-permethylation-trap-via-one-pot-site-mapping-and-glycan-analysis
#3
Asif Shajahan, Nitin Tatyaso Supekar, Christian Heiss, Mayumi Ishihara, Parastoo Azadi
To overcome the challenges in the analysis of protein glycosylation, we have developed a comprehensive and universal tool through permethylation of glycopeptides and their tandem mass spectrometric analysis. This method has the potential to simplify glycoprotein analysis by integrating glycan sequencing and glycopeptide analysis in a single experiment. Moreover, glycans with unique glycosidic linkages, particularly from prokaryotes, which are resistant to enzymatic or chemical release, could also be detected and analyzed by this methodology...
September 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28921783/barriers-to-listing-for-hiv-infected-patients-being-evaluated-for-kidney-transplantation
#4
Dong Heun Lee, Suzanne M Boyle, Gregory E Malat, Christopher Kern, Charles Milrod, Shannon DeBellis, Meera N Harhay, Karthik Ranganna, Stephen Guy, Sindhura Talluri, Tiffany Bias, Alden Doyle
BACKGROUND: Human immunodeficiency virus (HIV)-infected patients have excellent outcomes following kidney transplantation (KT) but still might face barriers in the evaluation and listing process. The aim of this study was to characterize the patient population, referral patterns, and outcomes of HIV-infected patients who present for KT evaluation. METHODS: We performed a single-center retrospective cohort study of HIV-infected patients who were evaluated for KT...
September 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28921524/karyotype-variation-of-cho-host-cell-lines-over-time-in-culture-characterized-by-chromosome-counting-and-chromosome-painting
#5
Sabine Vcelar, Vaibhav Jadhav, Michael Melcher, Norbert Auer, Astrid Hrdina, Rebecca Sagmeister, Kelley Heffner, Anja Puklowski, Michael Betenbaugh, Till Wenger, Friedrich Leisch, Martina Baumann, Nicole Borth
Genomic rearrangements are a common phenomenon in rapidly growing cell lines such as Chinese hamster ovary (CHO) cells, a feature that in the context of production of biologics may lead to cell line and product instability. Few methods exist to assess such genome wide instability. Here we use the population distribution of chromosome numbers per cell as well as chromosome painting to quantify the karyotypic variation in several CHO host cell lines. CHO-S, CHO-K1 8mM glutamine and CHO-K1 cells adapted to grow in media containing no glutamine were analyzed over up to 6 months in culture...
September 16, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28920000/oncolytic-peptide-ltx-315-induces-an-immune-mediated-abscopal-effect-in-a-rat-sarcoma-model
#6
Janne Nestvold, Meng-Yu Wang, Ketil A Camilio, Severin Zinöcker, Torunn Elisabeth Tjelle, Alf Lindberg, Bengt Erik Haug, Gunnar Kvalheim, Baldur Sveinbjørnsson, Øystein Rekdal
LTX 315 is an oncolytic peptide with potent immunological properties. In the present study, we demonstrate that intratumoral treatment with LTX-315 resulted in a complete regression and systemic immune response in a rat fibrosarcoma model. The treatment was T-cell dependent, and also resulted in an abscopal effect as demonstrated by the regression of distal non-treated lesions. Significant infiltration of CD8(+) T cells was observed in both treated and non-treated lesions, as shown by immunohistochemical and flow cytometric analysis...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919965/the-cerrado-brazil-plant-cytogenetics-database
#7
Fernando Roa, Mariana Pires de Campos Telles
Cerrado is a biodiversity hotspot that has lost ca. 50% of its original vegetation cover and hosts ca. 11,000 species belonging to 1,423 genera of phanerogams. For a fraction of those species some cytogenetic characteristics like chromosome numbers and C-value were available in databases, while other valuable information such as karyotype formula and banding patterns are missing. In order to integrate and share all cytogenetic information published for Cerrado species, including frequency of cytogenetic attributes and scientometrics aspects, Cerrado plant species were searched in bibliographic sources, including the 50 richest genera (with more than 45 taxa) and 273 genera with only one species in Cerrado...
2017: Comparative Cytogenetics
https://www.readbyqxmd.com/read/28919848/hidden-hearing-loss-no-effect-of-common-recreational-noise-exposure-on-cochlear-nerve-response-amplitude-in-humans
#8
Sarah K Grinn, Kathryn B Wiseman, Jason A Baker, Colleen G Le Prell
This study tested hypothesized relationships between noise exposure and auditory deficits. Both retrospective assessment of potential associations between noise exposure history and performance on an audiologic test battery and prospective assessment of potential changes in performance after new recreational noise exposure were completed. Methods: 32 participants (13M, 19F) with normal hearing (25-dB HL or better, 0.25-8 kHz) were asked to participate in 3 pre- and post-exposure sessions including: otoscopy, tympanometry, distortion product otoacoustic emissions (DPOAEs) (f2 frequencies 1-8 kHz), pure-tone audiometry (0...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28919481/feasibility-of-implementing-group-well-baby-well-woman-dyad-care-at-federally-qualified-health-centers
#9
Gabriela Duran, Mariam Faiz-Nassar, Kristin Mmari, Cynthia S Minkovitz, Katherine A Connor
OBJECTIVE: Group care has been shown to be effective for delivery of infant well child care. Centering Parenting™ (CP) is a model of group dyad care for mothers and infants. CP may improve quality and efficiency of preventive care, particularly for low income families. Federally Qualified Health Centers (FQHC) may be optimal sites for implementation, however facilitators and barriers may be unique. The aim of this qualitative study was to assess stakeholder perspectives on the feasibility of implementing Centering Parenting(TM) in FQHCs in Baltimore...
September 14, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28919323/a-systematic-review-of-person-centered-approaches-to-investigating-patterns-of-trauma-exposure
#10
REVIEW
Meaghan L O'Donnell, Ingo Schaefer, Tracey Varker, Dzenana Kartal, David Forbes, Richard A A Bryant, Derrick Silove, Mark Creamer, Alexander McFarlane, Gin Mahli, Kim Felmingham, Miranda Van Hoof, Dusan Hadzi-Pavlovic, Angela Nickerson, Zachary Steel
Recent research has found that exposure to traumatic events may occur in certain patterns, rather than randomly. Person-centered analyses, and specifically latent class analysis, is becoming increasingly popular in examining patterns, or 'classes' of trauma exposure. This review aimed to identify whether there are consistent homogeneous subgroups of trauma-exposed individuals, and the relationship between these trauma classes and psychiatric diagnosis. A systematic review of the literature was completed using the databases EMBASE, MEDLINE (PubMed) and PsycINFO...
September 9, 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/28919266/rock-bream-iridovirus-rbiv-replication-in-rock-bream-oplegnathus-fasciatus-exposed-for-different-time-periods-to-susceptible-water-temperatures
#11
Myung-Hwa Jung, Chamilani Nikapitiya, Tharabenahalli-Nagaraju Vinay, Jehee Lee, Sung-Ju Jung
Rock bream iridovirus (RBIV) is a member of the Megalocytivirus genus that causes severe mortality to rock bream. Water temperature is known to affect the immune system and susceptibility of fish to RBIV infection. In this study, we evaluated the time dependent virus replication pattern and time required to completely eliminate virus from the rock bream body against RBIV infection at different water temperature conditions. The rock bream was exposed to the virus and held at 7 (group A1), 4 (group A2) and 2 days (group A3) at 23 °C before the water temperature was reduced to 17 °C...
September 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28919188/-contribution-of-multimodal-imaging-in-the-various-stages-of-stargardt-disease
#12
L El Matri, Y Falfoul, M Kortli, A Hassairi, H Charfi, A Turki, F Kort, A Chebil
PURPOSE: To describe the contribution of multimodal imaging in the various stages of Stargardt disease (STGD). PATIENTS AND METHODS: We retrospectively reviewed 46 eyes of 23 STGD patients with identified ABCA4 mutations. All patients underwent a complete ophthalmic examination, spectral-domain optical coherence tomography (SD-OCT), fundus autofluorescence (FAF), fluorescein angiography (FA) and Indocyanine green angiography (ICGA). RESULTS: The mean age of patients was 25...
September 14, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28919116/global-regional-and-national-age-sex-specific-mortality-for-264-causes-of-death-1980-2016-a-systematic-analysis-for-the-global-burden-of-disease-study-2016
#13
(no author information available yet)
BACKGROUND: Monitoring levels and trends in premature mortality is crucial to understanding how societies can address prominent sources of early death. The Global Burden of Disease 2016 Study (GBD 2016) provides a comprehensive assessment of cause-specific mortality for 264 causes in 195 locations from 1980 to 2016. This assessment includes evaluation of the expected epidemiological transition with changes in development and where local patterns deviate from these trends. METHODS: We estimated cause-specific deaths and years of life lost (YLLs) by age, sex, geography, and year...
September 16, 2017: Lancet
https://www.readbyqxmd.com/read/28919115/global-regional-and-national-under-5-mortality-adult-mortality-age-specific-mortality-and-life-expectancy-1970-2016-a-systematic-analysis-for-the-global-burden-of-disease-study-2016
#14
(no author information available yet)
BACKGROUND: Detailed assessments of mortality patterns, particularly age-specific mortality, represent a crucial input that enables health systems to target interventions to specific populations. Understanding how all-cause mortality has changed with respect to development status can identify exemplars for best practice. To accomplish this, the Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016) estimated age-specific and sex-specific all-cause mortality between 1970 and 2016 for 195 countries and territories and at the subnational level for the five countries with a population greater than 200 million in 2016...
September 16, 2017: Lancet
https://www.readbyqxmd.com/read/28919043/neocortical-dynamics-during-whisker-based-sensory-discrimination-in-head-restrained-mice
#15
Fritjof Helmchen, Ariel Gilad, Jerry L Chen
A fundamental task frequently encountered by brains is to rapidly and reliably discriminate between sensory stimuli of the same modality, be it distinct auditory sounds, odors, visual patterns, or tactile textures. A key mammalian brain structure involved in discrimination behavior is the neocortex. Sensory processing not only involves the respective primary sensory area, which is crucial for perceptual detection, but additionally relies on cortico-cortical communication among several regions including higher-order sensory areas as well as frontal cortical areas...
September 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28918905/raising-suspicion-of-mistreatment-from-burns-derivation-and-validation-of-the-burn-tool
#16
Alison M Kemp, Linda Hollén, Alan M Emond, Diane Nuttall, David Rea, Sabine Maguire
BACKGROUND: 10-25% of childhood burns arise from mistreatment. AIM: To derive and validate a clinical prediction tool to assist the recognition of suspected maltreatment. METHODS: Prospectively collected data from 1327 children with burns were analyzed using logistic regression. Regression coefficients for variables associated with 'referral for child maltreatment investigation' (112 cases) in multivariable analyses were converted to integers to derive the BuRN-Tool, scoring each child on a continuous scale...
September 14, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28918456/testing-a-mobile-mindful-eating-intervention-targeting-craving-related-eating-feasibility-and-proof-of-concept
#17
Ashley E Mason, Kinnari Jhaveri, Michael Cohn, Judson A Brewer
Theoretically driven smartphone-delivered behavioral interventions that target mechanisms underlying eating behavior are lacking. In this study, we administered a 28-day self-paced smartphone-delivered intervention rooted in an operant conditioning theoretical framework that targets craving-related eating using mindful eating practices. At pre-intervention and 1-month post-intervention, we assessed food cravings among adult overweight or obese women (N = 104; M age = 46.2 ± 14.1 years; M BMI = 31...
September 16, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28917880/intercalated-chitosan-hydroxyapatite-nanocomposites-promising-materials-for-bone-tissue-engineering-applications
#18
Muhammad Anwaar Nazeer, Emel Yilgör, Iskender Yilgör
Preparation and characterization of chitosan/hydroxyapatite (CS/HA) nanocomposites displaying an intercalated structure is reported. Hydroxyapatite was synthesized through sol-gel process. Formic acid was introduced as a new solvent to obtain stable dispersions of nano-sized HA particles in polymer solution. CS/HA dispersions with HA contents of 5, 10 and 20% by weight were prepared. Self-assembling of HA nanoparticles during the drying of the solvent cast films led to the formation of homogeneous CS/HA nanocomposites...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917670/morphological-characterization-and-biocontrol-effects-of-vibrio-vulnificus-phages-against-vibriosis-in-the-shrimp-aquaculture-environment
#19
P Srinivasan, P Ramasamy
The re-emerging field of phage therapy is the potential biocontrol agents for the transfer of virulence factor and to kill their bacterial hosts. In this study, the lytic Vibrio vulnificus phages were studied to provide a better understanding of phage-host interactions and development of phage therapy. Four new V. vulnificus phages were detected from shrimp aquaculture system, named VV1, VV2, VV3 and VV4. All lytic V. vulnificus phages are the Tecviruses of the family Tectiviridae with typical double layered elongated icosahedral head and tailless morphology...
September 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28917641/changes-in-innervation-of-lumbar-motoneurons-and-organization-of-premotor-network-following-training-of-transected-adult-rats
#20
Loubna Khalki, Karina Sadlaoud, Julie Lerond, Jacques-Olivier Coq, Jean-Michel Brezun, Laurent Vinay, Patrice Coulon, Hélène Bras
Rats with complete spinal cord transection (SCT) can recover hindlimb locomotor function under strategies combining exercise training and 5-HT agonist treatment. This recovery is expected to result from structural and functional re-organization within the spinal cord below the lesion. To begin to understand the nature of this reorganization, we examined synaptic changes to identified gastrocnemius (GS) or tibialis anterior (TA) motoneurons (MNs) in SCT rats after a schedule of early exercise training and delayed 5-HT agonist treatment...
September 13, 2017: Experimental Neurology
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