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https://www.readbyqxmd.com/read/28484224/suppression-of-autoimmune-demyelinating-disease-by-preferential-stimulation-of-cns-specific-cd8-t-cells-using-listeria-encoded-neuroantigen
#1
Farah R Itani, Sushmita Sinha, Ashley A Brate, Lecia L Pewe, Katherine N Gibson-Corley, John T Harty, Nitin J Karandikar
CD8 T-cells predominate in CNS lesions of MS patients and display oligoclonal expansion. However, the role of myelin-specific CD8 T-cells in disease remains unclear, with studies showing protective and pathogenic roles in EAE. We demonstrated a disease-suppressive function for CNS-specific CD8 T-cells in a model where the antigen is exogenously administered in vivo and used for in vitro activation. To probe the nature of the CD8 response elicited by endogenously presented myelin antigens in vivo, we developed a novel approach utilizing infection with Listeria monocytogenes (LM) encoding proteolipid protein peptide (PLP) amino acids 178-191 (LM-PLP)...
May 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28470014/risk-of-acute-liver-injury-with-antiretroviral-therapy-by-viral-hepatitis-status
#2
Charitha Gowda, Craig W Newcomb, Qing Liu, Dena M Carbonari, James D Lewis, Kimberly A Forde, David S Goldberg, K Rajender Reddy, Jason A Roy, Amy R Marks, Jennifer L Schneider, Jay R Kostman, Janet P Tate, Joseph K Lim, Amy C Justice, Matthew Bidwell Goetz, Douglas A Corley, Vincent Lo Re
BACKGROUND: The risk of hepatotoxicity with antiretroviral therapy (ART) remains unknown. We determined the comparative risk of acute liver injury (ALI) for antiretroviral drugs, classes, and regimens, by viral hepatitis status. METHODS: We followed a cohort of 10 083 human immunodeficiency virus (HIV)-infected persons in Kaiser Permanente Northern California (n = 2099) from 2004 to 2010 and the Veterans Aging Cohort Study (n = 7984) from 2004 to 2012. Within the first year of ART, we determined occurrence of (1) liver aminotransferases >200 U/L and (2) severe ALI (coagulopathy with hyperbilirubinemia)...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28465822/does-the-sex-of-one-s-co-twin-affect-height-and-bmi-in-adulthood-a-study-of-dizygotic-adult-twins-from-31-cohorts
#3
Leonie H Bogl, Aline Jelenkovic, Eero Vuoksimaa, Linda Ahrenfeldt, Kirsi H Pietiläinen, Maria A Stazi, Corrado Fagnani, Cristina D'Ippolito, Yoon-Mi Hur, Hoe-Uk Jeong, Judy L Silberg, Lindon J Eaves, Hermine H Maes, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Tessa L Cutler, Christian Kandler, Kerry L Jang, Kaare Christensen, Axel Skytthe, Kirsten O Kyvik, Wendy Cozen, Amie E Hwang, Thomas M Mack, Catherine A Derom, Robert F Vlietinck, Tracy L Nelson, Keith E Whitfield, Robin P Corley, Brooke M Huibregtse, Tom A McAdams, Thalia C Eley, Alice M Gregory, Robert F Krueger, Matt McGue, Shandell Pahlen, Gonneke Willemsen, Meike Bartels, Toos C E M van Beijsterveldt, Zengchang Pang, Qihua Tan, Dongfeng Zhang, Nicholas G Martin, Sarah E Medland, Grant W Montgomery, Jacob V B Hjelmborg, Esther Rebato, Gary E Swan, Ruth Krasnow, Andreas Busjahn, Paul Lichtenstein, Sevgi Y Öncel, Fazil Aliev, Laura A Baker, Catherine Tuvblad, Sisira H Siribaddana, Matthew Hotopf, Athula Sumathipala, Fruhling Rijsdijk, Patrik K E Magnusson, Nancy L Pedersen, Anna K Dahl Aslan, Juan R Ordoñana, Juan F Sánchez-Romera, Lucia Colodro-Conde, Glen E Duncan, Dedra Buchwald, Adam D Tarnoki, David L Tarnoki, Yoshie Yokoyama, John L Hopper, Ruth J F Loos, Dorret I Boomsma, Thorkild I A Sørensen, Karri Silventoinen, Jaakko Kaprio
BACKGROUND: The comparison of traits in twins from opposite-sex (OS) and same-sex (SS) dizygotic twin pairs is considered a proxy measure of prenatal hormone exposure. To examine possible prenatal hormonal influences on anthropometric traits, we compared mean height, body mass index (BMI), and the prevalence of being overweight or obese between men and women from OS and SS dizygotic twin pairs. METHODS: The data were derived from the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins) database, and included 68,494 SS and 53,808 OS dizygotic twin individuals above the age of 20 years from 31 twin cohorts representing 19 countries...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28465503/gene-expression-profiling-describes-the-genetic-regulation-of-meloidogyne-arenaria-resistance-in-arachis-hypogaea-and-reveals-a-candidate-gene-for-resistance
#4
Josh Clevenger, Ye Chu, Larissa Arrais Guimaraes, Thiago Maia, David Bertioli, Soraya Leal-Bertioli, Patricia Timper, C Corley Holbrook, Peggy Ozias-Akins
Resistance to root-knot nematode was introgressed into cultivated peanut Arachis hypogaea from a wild peanut relative, A. cardenasii and previously mapped to chromosome A09. The highly resistant recombinant inbred RIL 46 and moderately resistant RIL 48 were selected from a population with cv. Gregory (susceptible) and Tifguard (resistant) as female and male parents, respectively. RNA-seq analysis was performed on these four genotypes using root tissue harvested from root-knot nematode infected plants at 0, 3, 7 days after inoculation...
May 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446677/variable-inhibition-of-zika-virus-replication-by-different-wolbachia-strains-in-mosquito-cell-cultures
#5
Michaela J Schultz, Sharon Isern, Scott F Michael, Ronald B Corley, John Connor, Horacio M Frydman
Mosquito-borne arboviruses are a major source of human disease. One strategy to reduce arbovirus disease is to reduce the mosquito's ability to transmit virus. Mosquito infection with bacterial endosymbiont, Wolbachia pipientis wMel, is a novel strategy to reduce Aedes mosquito competency for flavivirus infection. However, experiments investigating cyclic environmental temperatures have shown a reduction in maternal transmission of wMel potentially weakening the integration of this strain into a mosquito population relative to other Wolbachia strains...
April 26, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28444278/association-between-time-to-colonoscopy-after-a-positive-fecal-test-result-and-risk-of-colorectal-cancer-and-cancer-stage-at-diagnosis
#6
Douglas A Corley, Christopher D Jensen, Virginia P Quinn, Chyke A Doubeni, Ann G Zauber, Jeffrey K Lee, Joanne E Schottinger, Amy R Marks, Wei K Zhao, Nirupa R Ghai, Alexander T Lee, Richard Contreras, Charles P Quesenberry, Bruce H Fireman, Theodore R Levin
Importance: The fecal immunochemical test (FIT) is commonly used for colorectal cancer screening and positive test results require follow-up colonoscopy. However, follow-up intervals vary, which may result in neoplastic progression. Objective: To evaluate time to colonoscopy after a positive FIT result and its association with risk of colorectal cancer and advanced-stage disease at diagnosis. Design, Setting, and Participants: Retrospective cohort study (January 1, 2010-December 31, 2014) within Kaiser Permanente Northern and Southern California...
April 25, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28439103/brain-age-predicts-mortality
#7
J H Cole, S J Ritchie, M E Bastin, M C Valdés Hernández, S Muñoz Maniega, N Royle, J Corley, A Pattie, S E Harris, Q Zhang, N R Wray, P Redmond, R E Marioni, J M Starr, S R Cox, J M Wardlaw, D J Sharp, I J Deary
Age-associated disease and disability are placing a growing burden on society. However, ageing does not affect people uniformly. Hence, markers of the underlying biological ageing process are needed to help identify people at increased risk of age-associated physical and cognitive impairments and ultimately, death. Here, we present such a biomarker, 'brain-predicted age', derived using structural neuroimaging. Brain-predicted age was calculated using machine-learning analysis, trained on neuroimaging data from a large healthy reference sample (N=2001), then tested in the Lothian Birth Cohort 1936 (N=669), to determine relationships with age-associated functional measures and mortality...
April 25, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28427954/colorectal-cancer-screening-initiation-after-age-50-years-in-an-organized-program
#8
Stacey A Fedewa, Douglas A Corley, Christopher D Jensen, Wei Zhao, Michael Goodman, Ahmedin Jemal, Kevin C Ward, Theodore R Levin, Chyke A Doubeni
INTRODUCTION: Recent studies report racial disparities among individuals in organized colorectal cancer (CRC) programs; however, there is a paucity of information on CRC screening utilization by race/ethnicity among newly age-eligible adults in such programs. METHODS: This was a retrospective cohort study among Kaiser Permanente Northern California enrollees who turned age 50 years between 2007 and 2012 (N=138,799) and were served by a systemwide outreach and facilitated in-reach screening program based primarily on mailed fecal immunochemical tests to screening-eligible people...
April 17, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28424895/risk-and-protective-factors-for-structural-brain-ageing-in-the-eighth-decade-of-life
#9
Stuart J Ritchie, Elliot M Tucker-Drob, Simon R Cox, David Alexander Dickie, Maria Del C Valdés Hernández, Janie Corley, Natalie A Royle, Paul Redmond, Susana Muñoz Maniega, Alison Pattie, Benjamin S Aribisala, Adele M Taylor, Toni-Kim Clarke, Alan J Gow, John M Starr, Mark E Bastin, Joanna M Wardlaw, Ian J Deary
Individuals differ markedly in brain structure, and in how this structure degenerates during ageing. In a large sample of human participants (baseline n = 731 at age 73 years; follow-up n = 488 at age 76 years), we estimated the magnitude of mean change and variability in changes in MRI measures of brain macrostructure (grey matter, white matter, and white matter hyperintensity volumes) and microstructure (fractional anisotropy and mean diffusivity from diffusion tensor MRI). All indices showed significant average change with age, with considerable heterogeneity in those changes...
April 19, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28400371/retinal-microvascular-network-geometry-and-cognitive-abilities-in-community-dwelling-older-people-the-lothian-birth-cohort-1936-study
#10
Sarah McGrory, Adele M Taylor, Mirna Kirin, Janie Corley, Alison Pattie, Simon R Cox, Baljean Dhillon, Joanna M Wardlaw, Fergus N Doubal, John M Starr, Emanuele Trucco, Thomas J MacGillivray, Ian J Deary
AIM: To examine the relationship between retinal vascular morphology and cognitive abilities in a narrow-age cohort of community-dwelling older people. METHODS: Digital retinal images taken at age ∼73 years from 683 participants of the Lothian Birth Cohort 1936 (LBC1936) were analysed with Singapore I Vessel Assessment (SIVA) software. Multiple regression models were applied to determine cross-sectional associations between retinal vascular parameters and general cognitive ability (g), memory, processing speed, visuospatial ability, crystallised cognitive ability and change in IQ from childhood to older age...
October 17, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28374110/htlv-1-infection-and-neuropathogenesis-in-the-context-of-rag1-%C3%AE-c-rag1-hu-and-blt-mice
#11
Rashida Ginwala, Breanna Caruso, Zafar K Khan, Ajinkya Pattekar, Glen M Chew, Michael J Corley, Ronak Loonawat, Steven Jacobson, Sreesha Sreedhar, Lishomwa C Ndhlovu, Pooja Jain
To date, the lack of a suitable small animal model has hindered our understanding of Human T-cell lymphotropic virus (HTLV)-1 chronic infection and associated neuropathogenesis defined as HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The host immune response plays a critical role in the outcome of HTLV-1 infection, which could be better tested in the context of humanized (hu) mice. Thus, we employ here the Balb/c-Rag1(-/-)γc(-/-) or Rag1 as well as Bone marrow-Liver-Thymic (BLT) mouse models for engraftment of human CD34(+) hematopoietic stem cells...
April 4, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28369451/association-between-birthweight-and-later-body-mass-index-an-individual-based-pooled-analysis-of-27-twin-cohorts-participating-in-the-codatwins-project
#12
Aline Jelenkovic, Yoshie Yokoyama, Reijo Sund, Kirsi H Pietiläinen, Yoon-Mi Hur, Gonneke Willemsen, Meike Bartels, Toos Cem van Beijsterveldt, Syuichi Ooki, Kimberly J Saudino, Maria A Stazi, Corrado Fagnani, Cristina D'Ippolito, Tracy L Nelson, Keith E Whitfield, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Kauko Heikkilä, Tessa L Cutler, John L Hopper, Jane Wardle, Clare H Llewellyn, Abigail Fisher, Robin P Corley, Brooke M Huibregtse, Catherine A Derom, Robert F Vlietinck, Ruth Jf Loos, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Adam D Tarnoki, David L Tarnoki, S Alexandra Burt, Kelly L Klump, Juan R Ordoñana, Juan F Sánchez-Romera, Lucia Colodro-Conde, Lise Dubois, Michel Boivin, Mara Brendgen, Ginette Dionne, Frank Vitaro, Jennifer R Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Jeffrey M Craig, Richard Saffery, Finn Rasmussen, Per Tynelius, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Claire Ma Haworth, Robert Plomin, Fuling Ji, Feng Ning, Zengchang Pang, Esther Rebato, Robert F Krueger, Matt McGue, Shandell Pahlen, Dorret I Boomsma, Thorkild Ia Sørensen, Jaakko Kaprio, Karri Silventoinen
Background: There is evidence that birthweight is positively associated with body mass index (BMI) in later life, but it remains unclear whether this is explained by genetic factors or the intrauterine environment. We analysed the association between birthweight and BMI from infancy to adulthood within twin pairs, which provides insights into the role of genetic and environmental individual-specific factors. Methods: This study is based on the data from 27 twin cohorts in 17 countries...
March 19, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28332656/thermal-inactivation-of-foot-and-mouth-disease-virus-in-extruded-pet-food
#13
S Gubbins, J Forster, S Clive, D Schley, S Zuber, J Schaaff, D Corley
The risk of importing foot and mouth disease, a highly contagious viral disease of livestock, severely restricts trade and investment opportunities in many developing countries where the virus is present. This study was designed to investigate the inactivation of foot and mouth disease virus (FMDV) by heat treatments used in extruded commercial pet food manufacture. If extrusion could be shown to reliably inactivate the virus, this could potentially facilitate trade for FMDV-endemic countries. The authors found that there was no detectable virus following: i) treatment of FMDVspiked meat slurry at 68°C for 300 s; ii) treatment of FMDV-spiked slurry and meal mix at 79°C for 10 or 30 s, or iii) treatment of homogenised bovine tongue epithelium, taken from an FMDV-infected animal, at 79°C for 10 s...
December 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28324763/interaction-of-apoe-e4-and-poor-glycemic-control-predicts-white-matter-hyperintensity-growth-from-73-to-76
#14
Simon R Cox, Stuart J Ritchie, David Alexander Dickie, Alison Pattie, Natalie A Royle, Janie Corley, Benjamin S Aribisala, Sarah E Harris, Maria Valdés Hernández, Alan J Gow, Susana Muñoz Maniega, John M Starr, Mark E Bastin, Joanna M Wardlaw, Ian J Deary
We examined whether apolipoprotein E (APOE) status interacts with vascular risk factors (VRFs) to predict the progression of white matter hyperintensities (WMHs) on brain MRI scans over a specific period of life in older age when the risk of dementia increases. At age 73 years, baseline VRFs were assessed via self-reported history of diabetes, hypertension, smoking, and hypercholesterolemia, and via objective measures of blood HbA1c, body mass index, diastolic and systolic blood pressure, and blood high-density lipoprotein to total cholesterol (HDL) ratio...
June 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28296752/racial-ethnic-differences-in-obesity-and-comorbidities-between-safety-net-and-non-safety-net-integrated-health-systems
#15
Bijal A Balasubramanian, Michael P Garcia, Douglas A Corley, Chyke A Doubeni, Jennifer S Haas, Aruna Kamineni, Virginia P Quinn, Karen Wernli, Yingye Zheng, Celette Sugg Skinner
Previous research shows that patients in integrated health systems experience fewer racial disparities compared with more traditional healthcare systems. Little is known about patterns of racial/ethnic disparities between safety-net and non safety-net integrated health systems.We evaluated racial/ethnic differences in body mass index (BMI) and the Charlson comorbidity index from 3 non safety-net- and 1 safety-net integrated health systems in a cross-sectional study. Multinomial logistic regression modeled comorbidity and BMI on race/ethnicity and health care system type adjusting for age, sex, insurance, and zip-code-level incomeThe study included 1...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28281559/oral-bisphosphonates-and-colorectal-cancer
#16
Emily Vogtmann, Douglas A Corley, Lucy M Almers, Chris R Cardwell, Liam J Murray, Christian C Abnet
Use of oral bisphosphonates has been associated with a decreased risk of colorectal cancer (CRC), but the association may be related to residual confounding by healthy lifestyle or body mass index (BMI). Therefore, we conducted a prospective nested case-control study within the Kaiser Permanente, Northern California health system cohort. In total, 12,505 CRC cases were individually matched to 599,534 controls. Odds ratios (OR) and 95% confidence intervals (CI) were calculated using conditional logistic regression models with adjustment for important covariates extracted from the database...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263184/angiotensin-at1a-receptors-on-leptin-receptor-expressing-cells-control-resting-metabolism
#17
Kristin E Claflin, Jeremy A Sandgren, Allyn M Lambertz, Benjamin J Weidemann, Nicole K Littlejohn, Colin M L Burnett, Nicole A Pearson, Donald A Morgan, Katherine N Gibson-Corley, Kamal Rahmouni, Justin L Grobe
Leptin contributes to the control of resting metabolic rate (RMR) and blood pressure (BP) through its actions in the arcuate nucleus (ARC). The renin-angiotensin system (RAS) and angiotensin AT1 receptors within the brain are also involved in the control of RMR and BP, but whether this regulation overlaps with leptin's actions is unclear. Here, we have demonstrated the selective requirement of the AT1A receptor in leptin-mediated control of RMR. We observed that AT1A receptors colocalized with leptin receptors (LEPRs) in the ARC...
April 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28239912/verrucae-planae-within-previous-xenograft-sites-of-burn-wounds
#18
Olivia Chen, Michelle Vernali Pearlstein, Dean S Morrell, Sarah B Corley
Burn injuries are known to compromise host immune defenses through disruption of mucocutaneous barriers and suppression of cell-mediated immune responses, which may render patients with burn injuries susceptible to viral infections in the days to years after an initial insult. We report a case of verrucae planae developing as a secondary condition confined to former xenograft sites in a child, appearing more than 3.5 years after initial second-degree burn injuries. Only a few reports have previously described the development of verrucae in former burn sites, with most reporting latency to onset of verrucae appearance of months rather than years...
February 27, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28238586/developing-a-minimum-dataset-for-nursing-team-leader-handover-in-the-intensive-care-unit-a-focus-group-study
#19
Amy J Spooner, Leanne M Aitken, Amanda Corley, Wendy Chaboyer
BACKGROUND: Despite increasing demand for structured processes to guide clinical handover, nursing handover tools are limited in the intensive care unit. OBJECTIVES: The study aim was to identify key items to include in a minimum dataset for intensive care nursing team leader shift-to-shift handover. METHODS: This focus group study was conducted in a 21-bed medical/surgical intensive care unit in Australia. Senior registered nurses involved in team leader handovers were recruited...
February 23, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
https://www.readbyqxmd.com/read/28197153/genetic-dissection-of-novel-qtls-for-resistance-to-leaf-spots-and-tomato-spotted-wilt-virus-in-peanut-arachis-hypogaea-l
#20
Manish K Pandey, Hui Wang, Pawan Khera, Manish K Vishwakarma, Sandip M Kale, Albert K Culbreath, C Corley Holbrook, Xingjun Wang, Rajeev K Varshney, Baozhu Guo
Peanut is an important crop, economically and nutritiously, but high production cost is a serious challenge to peanut farmers as exemplified by chemical spray to control foliar diseases such as leaf spots and thrips, the vectors of tomato spotted wilt virus (TSWV). The objective of this research was to map the quantitative trait loci (QTLs) for resistance to leaf spots and TSWV in one recombinant inbred line (RIL) mapping population of "Tifrunner × GT-C20" for identification of linked markers for marker-assisted breeding...
2017: Frontiers in Plant Science
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