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https://www.readbyqxmd.com/read/29785614/cascade-of-care-and-factors-associated-with-virological-suppression-among-hiv-positive-persons-linked-to-care-in-the-test-and-keep-in-care-tak-project
#1
Justyna D Kowalska, Magdalena Ankiersztejn-Bartczak, Leah Shepherd, Amanda Mocroft
INTRODUCTION: Early treatment remains the most effective HIV prevention strategy; poor linkage to care after HIV diagnosis may compromise this benefit. We sought to better understand patient characteristics and their association with virological suppression (VS) following cART initiation. METHODS: The TAK project collects pre-linkage to care and clinical data on patients diagnosed with HIV in voluntary testing facilities in central Poland. Data collected for persons diagnosed in 2010-2013 were linked with HIV clinic records...
May 21, 2018: Infection
https://www.readbyqxmd.com/read/29784063/protein-coding-genes-combined-with-long-noncoding-rna-as-a-novel-transcriptome-molecular-staging-model-to-predict-the-survival-of-patients-with-esophageal-squamous-cell-carcinoma
#2
Jin-Cheng Guo, Yang Wu, Yang Chen, Feng Pan, Zhi-Yong Wu, Jia-Sheng Zhang, Jian-Yi Wu, Xiu-E Xu, Jian-Mei Zhao, En-Min Li, Yi Zhao, Li-Yan Xu
BACKGROUND: Esophageal squamous cell carcinoma (ESCC) is the predominant subtype of esophageal carcinoma in China. This study was to develop a staging model to predict outcomes of patients with ESCC. METHODS: Using Cox regression analysis, principal component analysis (PCA), partitioning clustering, Kaplan-Meier analysis, receiver operating characteristic (ROC) curve analysis, and classification and regression tree (CART) analysis, we mined the Gene Expression Omnibus database to determine the expression profiles of genes in 179 patients with ESCC from GSE63624 and GSE63622 dataset...
April 9, 2018: Cancer communications
https://www.readbyqxmd.com/read/29783911/can-predictive-modeling-identify-head-and-neck-oncology-patients-at-risk-for-readmission
#3
Amy M Manning, Keith A Casper, Kay St Peter, Keith M Wilson, Jonathan R Mark, Ryan M Collar
Objective Unplanned readmission within 30 days is a contributor to health care costs in the United States. The use of predictive modeling during hospitalization to identify patients at risk for readmission offers a novel approach to quality improvement and cost reduction. Study Design Two-phase study including retrospective analysis of prospectively collected data followed by prospective longitudinal study. Setting Tertiary academic medical center. Subjects and Methods Prospectively collected data for patients undergoing surgical treatment for head and neck cancer from January 2013 to January 2015 were used to build predictive models for readmission within 30 days of discharge using logistic regression, classification and regression tree (CART) analysis, and random forests...
May 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29783641/premature-spinal-bone-loss-in-women-living-with-hiv-is-associated-with-shorter-leukocyte-telomere-length
#4
Shirin Kalyan, Neora Pick, Alice Mai, Melanie C M Murray, Kristen Kidson, Jackson Chu, Arianne Y K Albert, Hélène C F Côté, Evelyn J Maan, Azita Goshtasebi, Deborah M Money, Jerilynn C Prior
With advances in combination antiretroviral therapy (cART), people living with HIV are now surviving to experience aging. Evidence suggests that individuals living with HIV are at greater risk for low bone mineral density (BMD), osteoporosis, and fractures. Better understanding of the pathophysiology of bone health in women living with HIV (WLWH) is important for treatment strategies. The goal of this study was to explore new biological factors linked to low BMD in WLWH. Standardized BMD measures of WLWH were compared to reference values from an unselected population of women from the same geographical region of the same age range...
May 18, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29781883/cytomegalovirus-specific-cd4-t-cell-responses-and-cmv-igg-levels-are-associated-with-neurocognitive-impairment-in-people-living-with-hiv
#5
Susanne Dam Nielsen, Vibe Ballegaard, Karin Kaereby Pedersen, Maria Pedersen, Peter Brændstrup, Nikolai Kirkby, Anette Stryhn Buus, Lars P Ryder, Jan Gerstoft
BACKGROUND: Mechanisms leading to neurocognitive impairment (NCI) in people living with HIV (PLWHIV) on stable antiretroviral therapy (cART) remain unknown. We investigated the association between CMV immunity, HIV-specific variables and NCI in PLWHIV on stable cART and with low comorbidity. METHODS: 52 PLWHIV on stable cART and 31 HIV-uninfected controls matched on age, gender, education and comorbidity were tested with a neurocognitive test-battery and CMV-immunoglobulin G (CMV-IgG) levels were measured...
May 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29781356/combating-the-hiv-reservoirs
#6
Guido van Marle, Deirdre L Church, Frank van der Meer, M John Gill
Impressive advances have been made in the treatment and management of HIV-1 infected individuals. Combination antiretroviral therapy (cART) has turned HIV-1 infection from an almost invariable deadly infectious disease, to a lifelong manageable infectious disease. However, a cure or vaccine has not been forthcoming. A major problem in HIV-1 infection is the persistent and latently infected cellular and tissue reservoirs. One of these reservoirs is the Gut Associated Lymphoid tissue (GALT), which has been the research focus of our group...
May 21, 2018: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/29777699/cart-peptide-activates-the-nrf2-ho-1-antioxidant-pathway-and-protects-hippocampal-neurons-in-a-rat-model-of-alzheimer-s-disease
#7
Wenyu Jiao, Yongchen Wang, Linghong Kong, Tao Ou-Yang, Qing Meng, Qiang Fu, Zhenzhen Hu
The accumulation of amyloid-beta (Aβ) and oxidative stress damage in the brain are recognized as early features of Alzheimer's disease (AD). The cocaine- and amphetamine-regulated transcript (CART) peptide may possibly play an antioxidative role in neurons. The aim of this study was to investigate the potential antioxidant mechanism of CART peptide in a rat model of AD. We microinjected of Aβ1-42 (2μl/4μg/hemisphere) into rat hippocampus to set a rat model of AD. A pre-microinjection of CART peptide (1μl/0...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29775565/a-role-of-neuropeptide-cart-in-hyperphagia-and-weight-gain-induced-by-olanzapine-treatment-in-rats
#8
Kartik T Nakhate, Nishikant K Subhedar, Dadasaheb M Kokare
Although olanzapine is highly efficacious and most widely used second generation antipsychotic drug, the success of treatment has been hampered by its propensity to induce weight gain. While the underlying neuronal mechanisms are unclear, their elucidation may help to target alternative pathways regulating energy balance. The present study was undertaken to define the role of cocaine- and amphetamine-regulated transcript (CART), a well-known anorexic peptide, in olanzapine-induced hyperphagia and body weight gain in rats...
May 15, 2018: Brain Research
https://www.readbyqxmd.com/read/29772818/integrated-method-for-personal-thermal-comfort-assessment-and-optimization-through-users-feedback-iot-and-machine-learning-a-case-study-%C3%A2
#9
Francesco Salamone, Lorenzo Belussi, Cristian Currò, Ludovico Danza, Matteo Ghellere, Giulia Guazzi, Bruno Lenzi, Valentino Megale, Italo Meroni
Thermal comfort has become a topic issue in building performance assessment as well as energy efficiency. Three methods are mainly recognized for its assessment. Two of them based on standardized methodologies, face the problem by considering the indoor environment in steady-state conditions (PMV and PPD) and users as active subjects whose thermal perception is influenced by outdoor climatic conditions (adaptive approach). The latter method is the starting point to investigate thermal comfort from an overall perspective by considering endogenous variables besides the traditional physical and environmental ones...
May 17, 2018: Sensors
https://www.readbyqxmd.com/read/29772077/a-feature-alignment-score-for-online-cone-beam-ct-based-image-guided-radiotherapy-for-prostate-cancer
#10
Catriona Hargrave, Timothy Deegan, Michael Poulsen, Tomasz Bednarz, Fiona Harden, Kerrie Mengersen
PURPOSE: To develop a method for scoring online cone-beam CT (CBCT)-to-planning CT image feature alignment to inform prostate image-guided radiotherapy (IGRT) decision-making. The feasibility of incorporating volume variation metric thresholds, predictive of delivering planned dose into weighted functions, was investigated. METHODS: Radiation therapists and radiation oncologists participated in workshops where they reviewed prostate CBCT-IGRT case examples and completed a paper-based survey of image feature matching practices...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29772068/risk-factors-associated-with-preterm-delivery-and-low-delivery-weight-among-hiv-exposed-neonates-in-china
#11
Liming Wang, Hongxin Zhao, Weiping Cai, Jie Tao, Qingxia Zhao, Lijun Sun, Qingbo Fan, Athena P Kourtis, Colin Shepard, Fujie Zhang
OBJECTIVE: To examine the relationship between combination antiretroviral therapy (cART) and preterm delivery (PTD) or low delivery weight among pregnant Chinese women with HIV. METHODS: The present retrospective cross-sectional medical chart review enrolled pregnant women with HIV who delivered at five tertiary hospitals in China between January 1, 2009, and December 31, 2014. Generalized linear mixed modeling was used to explore PTD (<37 weeks of pregnancy) and low delivery weight (<2500 g) risk factors...
May 17, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29770748/the-effect-of-switching-protease-inhibitors-to-raltegravir-on-endothelial-function-in-hiv-infected-patients
#12
Maaike Krikke, Kiki Tesselaar, Guido E L van den Berk, Sigrid A Otto, Laura H Freriks, Steven F L van Lelyveld, Frank J L Visseren, Andy I M Hoepelman, Joop E Arends
Objective Lipid management is one of the cornerstones of cardiovascular risk reduction. Treatment of HIV infection with protease inhibitors (PIs) may cause dyslipidaemia, whilst the integrase inhibitor raltegravir (RAL) has a relatively favorable effect on plasma lipids. We examined the effect of switching from PIs to RAL on endothelial function, and its effect on immunological and inflammatory parameters. Methods We performed a 16-week open-label prospective crossover study: 8 weeks intervention (switch PIs to RAL) and 8 weeks control (unchanged cART regimen)...
April 2018: HIV Clinical Trials
https://www.readbyqxmd.com/read/29770102/rolling-out-hiv-antiretroviral-therapy-in-sub-saharan-africa-2003-2017
#13
G Taylor
Multiple issues need to be addressed in order to control the HIV pandemic in sub-Saharan Africa. Combination antiretroviral therapy (cART) is key to reducing morbidity and mortality among people living with HIV and has a role in preventing HIV transmission. However, access to cART is very unevenly distributed globally, especially in sub-Saharan Africa. Although cost of cART is no longer a major barrier as effective treatment can be had for under US$100 per year, HIV management is compromised by the inadequate number of trained clinicians, the lack of clinical and laboratory infrastructure and the increased prevalence of co-morbidities (e...
February 1, 2018: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29769566/antiretroviral-drugs-alter-the-content-of-extracellular-vesicles-from-hiv-1-infected-cells
#14
Catherine DeMarino, Michelle L Pleet, Maria Cowen, Robert A Barclay, Yao Akpamagbo, James Erickson, Nicaise Ndembe, Manhattan Charurat, Jibreel Jumare, Sunday Bwala, Peter Alabi, Max Hogan, Archana Gupta, Nicole Noren Hooten, Michele K Evans, Benjamin Lepene, Weidong Zhou, Massimo Caputi, Fabio Romerio, Walter Royal, Nazira El-Hage, Lance A Liotta, Fatah Kashanchi
To date, the most effective treatment of HIV-1 is a combination antiretroviral therapy (cART), which reduces viral replication and reverses pathology. We investigated the effect of cART (RT and protease inhibitors) on the content of extracellular vesicles (EVs) released from HIV-1-infected cells. We have previously shown that EVs contain non-coding HIV-1 RNA, which can elicit responses in recipient cells. In this manuscript, we show that TAR RNA levels demonstrate little change with the addition of cART treatment in cell lines, primary macrophages, and patient biofluids...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29766019/abacavir-use-and-risk-for-myocardial-infarction-and-cardiovascular-events-pooled-analysis-of-data-from-clinical-trials
#15
Cassandra Nan, Mark Shaefer, Rimgaile Urbaityte, James Oyee, Judy Hopking, Leigh Ragone, Teodora Perger, Beta Win, Harald Vangerow, Cynthia McCoig, Vani Vannappagari
Background: Some observational studies and randomized controlled trials (RCTs) have suggested an association between abacavir (ABC) use and myocardial infarction (MI), whereas others have not. Methods: This pooled analysis of 66 phase II-IV RCTs estimates exposure-adjusted incidence rates (IRs) and relative rates (RRs) of MI and cardiovascular events (CVEs) in participants receiving ABC- and non-ABC-containing combination antiretroviral therapy (cART). The primary analysis of MI included ABC-randomized trials with ≥48-week follow-up...
May 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29762177/neuropsychological-phenotypes-among-men-with-and-without-hiv-disease-in-the-multicenter-aids-cohort-study
#16
Samantha A Molsberry, Yu Cheng, Lawrence Kingsley, Lisa Jacobson, Andrew J Levine, Eileen Martin, Eric N Miller, Cynthia A Munro, Ann Ragin, Ned Sacktor, James T Becker
OBJECTIVE: Mild forms of HIV-associated neurocognitive disorder (HAND) remain prevalent in the combination anti-retroviral therapy (cART) era. This study's objective was to identify neuropsychological subgroups within the Multicenter AIDS Cohort Study (MACS) based on the participant-based latent structure of cognitive function and to identify factors associated with subgroups. DESIGN: The MACS is a four-site longitudinal study of the natural and treated history of HIV disease among gay and bisexual men...
May 11, 2018: AIDS
https://www.readbyqxmd.com/read/29762168/multimorbidity-age-related-comorbidities-and-mortality-association-of-activation-senescence-and-inflammation-markers-in-hiv-adults
#17
Pierre Duffau, Alexandra Ozanne, Fabrice Bonnet, Estibaliz Lazaro, Charles Cazanave, Patrick Blanco, Etienne Rivière, Arnaud Desclaux, Caroline Hyernard, Noemie Gensous, I Pellegrin, L Wittkop
BACKGROUND: The widespread introduction of combination antiretroviral therapy (cART) has increased survival of HIV+ patients. However, the prevalence of age-related comorbidities remains higher than that of the general population, suggesting that individuals with HIV suffer from accelerated aging. Immune activation, -senescence and inflammation could play an important role in this process. METHODS: The CIADIS (Chronic Immune Activation anD Senescence) sub-study analyzed biomarkers of activation, differentiation, and senescence of T-cells in a cellular-CIADIS weighted score, while biomarkers of inflammation were analyzed in a soluble-CIADIS weighted score using principal component analysis...
May 11, 2018: AIDS
https://www.readbyqxmd.com/read/29754220/re-factoring-glycolytic-genes-for-targeted-engineering-of-catabolism-in-gram-negative-bacteria
#18
Alberto Sánchez-Pascuala, Pablo I Nikel, Víctor de Lorenzo
The Embden-Meyerhof-Parnas (EMP) pathway is widely accepted to be the biochemical standard of glucose catabolism. The well-characterized glycolytic route of Escherichia coli, based on the EMP catabolism, is an example of an intricate pathway in terms of genomic organization of the genes involved and patterns of gene expression and regulation. This intrinsic genetic and metabolic complexity renders it difficult to engineer glycolytic activities and transfer them onto other microbial cell factories, thus limiting the biotechnological potential of bacterial hosts that lack the route...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29750804/temporal-compartmental-changes-in-viral-rna-and-neuronal-injury-in-a-primate-model-of-neuroaids
#19
R Gilberto González, Robert Fell, Julian He, Jennifer Campbell, Tricia H Burdo, Patrick Autissier, Lakshmanan Annamalai, Faramarz Taheri, Termara Parker, Jeffrey D Lifson, Elkan F Halpern, Mark Vangel, Eliezer Masliah, Susan V Westmoreland, Kenneth C Williams, Eva-Maria Ratai
Despite the advent of highly active anti-retroviral therapy HIV-associated neurocognitive disorders (HAND) continue to be a significant problem. Furthermore, the precise pathogenesis of this neurodegeneration is still unclear. The objective of this study was to examine the relationship between infection by the simian immunodeficiency virus (SIV) and neuronal injury in the rhesus macaque using in vivo and postmortem sampling techniques. The effect of SIV infection in 23 adult rhesus macaques was investigated using an accelerated NeuroAIDS model...
2018: PloS One
https://www.readbyqxmd.com/read/29746318/hiv-1-status-is-independently-associated-with-decreased-erectile-function-among-middle-aged-msm-in-the-era-of-combination-antiretroviral-therapy
#20
Maartje Dijkstra, Rik H W van Lunsen, Katherine W Kooij, Udi Davidovich, Rosan A van Zoest, Ferdinand W M N Wit, Maria Prins, Peter Reiss, Maarten F Schim van der Loeff
INTRODUCTION: HIV-1-infected MSM more often experience sexual dysfunctions than the general population. We assessed associations between HIV-1 status and decreased sexual functioning among MSM. METHODS: We used cross-sectional data from 399 HIV-1-infected MSM mostly on combination antiretroviral therapy (cART) and 366 HIV-1-uninfected MSM aged at least 45 years participating in the AGEhIV Cohort Study. The study questionnaire included questions on erectile function, sexual satisfaction, and sexual desire...
June 1, 2018: AIDS
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