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https://www.readbyqxmd.com/read/29151338/genotype-distribution-of-mycobacterium-tuberculosis-in-theaegean-region-and-associated-demographic-factors
#1
Cengiz Çavuşoğlu, Fethiye Ferda Yılmaz, İsabel Raika Durusoy Onmuş, Tuğba Bozdemir, Hüseyin Taşlı, Mine Hoşgör Limoncu
Background/aim: The Aegean Region is the second-ranking region in Turkey according to the Human Development Index and population density and it hosts 1/8 of Turkey's population. İzmir is the largest city of the region, receiving internal migration both from inside and outside the region. The tuberculosis incidence in İzmir is lower than overall in Turkey: 17.7/100,000 in 2011. Our aims were to determine genotypes of Mycobacterium tuberculosis isolates; to explore possible associations between genotypes with case-demographic data, clinical presentation, and antimicrobial susceptibility patterns; and to determine variations in genotype distribution of strains isolated in Ege University Hospital, İzmir...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29143609/survey-of-programmatic-experiences-and-challenges-in-delivery-of-hepatitis-b-and-c-testing-in-low-and-middle-income-countries
#2
Azumi Ishizaki, Julie Bouscaillou, Niklas Luhmann, Stephanie Liu, Raissa Chua, Nick Walsh, Sarah Hess, Elena Ivanova, Teri Roberts, Philippa Easterbrook
BACKGROUND: There have been few reports on programmatic experience of viral hepatitis testing and treatment in resource-limited settings. To inform the development of the 2017 World Health Organization (WHO) viral hepatitis testing guidance and in particular the feasibility of proposed recommendations, we undertook a survey across a range of organisations engaged with hepatitis testing in low- and middle-income countries (LMICs). Our objective was to describe current hepatitis B and C testing practices across a range of settings in different countries, as well as key barriers or challenges encountered and proposed solutions to promote testing scale-up...
November 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29141336/-data-distribution-and-transformation-in-population-based-sampling-survey-of-viral-load-in-hiv-positive-men-who-have-sex-with-men-in-china
#3
Z Dou, J Chen, Z Jiang, W L Song, J Xu, Z Y Wu
Objective: To understand the distribution of population viral load (PVL) data in HIV infected men who have sex with men (MSM), fit distribution function and explore the appropriate estimating parameter of PVL. Methods: The detection limit of viral load (VL) was ≤ 50 copies/ml. Box-Cox transformation and normal distribution tests were used to describe the general distribution characteristics of the original and transformed data of PVL, then the stable distribution function was fitted with test of goodness of fit...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29137637/molecular-evolution-of-hiv-1-integrase-during-the-20%C3%A2-years-prior-to-the-first-approval-of-integrase-inhibitors
#4
Karolin Meixenberger, Kaveh Pouran Yousef, Maureen Rebecca Smith, Sybille Somogyi, Stefan Fiedler, Barbara Bartmeyer, Osamah Hamouda, Norbert Bannert, Max von Kleist, Claudia Kücherer
BACKGROUND: Detailed knowledge of the evolutionary potential of polymorphic sites in a viral protein is important for understanding the development of drug resistance in the presence of an inhibitor. We therefore set out to analyse the molecular evolution of the HIV-1 subtype B integrase at the inter-patient level in Germany during a 20-year period prior to the first introduction of integrase strand inhibitors (INSTIs). METHODS: We determined 337 HIV-1 integrase subtype B sequences (amino acids 1-278) from stored plasma samples of antiretroviral treatment-naïve individuals newly diagnosed with HIV-1 between 1986 and 2006...
November 14, 2017: Virology Journal
https://www.readbyqxmd.com/read/29134258/novel-full-length-major-histocompatibility-complex-class-i-allele-discovery-and-haplotype-definition-in-pig-tailed-macaques
#5
Matthew R Semler, Roger W Wiseman, Julie A Karl, Michael E Graham, Samantha M Gieger, David H O'Connor
Pig-tailed macaques (Macaca nemestrina, Mane) are important models for human immunodeficiency virus (HIV) studies. Their infectability with minimally modified HIV makes them a uniquely valuable animal model to mimic human infection with HIV and progression to acquired immunodeficiency syndrome (AIDS). However, variation in the pig-tailed macaque major histocompatibility complex (MHC) and the impact of individual transcripts on the pathogenesis of HIV and other infectious diseases is understudied compared to that of rhesus and cynomolgus macaques...
November 13, 2017: Immunogenetics
https://www.readbyqxmd.com/read/29132286/the-gendered-experiences-of-children-in-child-headed-households-in-swaziland
#6
Nozipho Mkhatshwa
This study investigated the gender dynamics of living in child-headed households (CHHs) in a rural area in Swaziland that experiences high levels of drought, poverty and HIV and AIDS. Using a qualitative research methodology, the study examined ways in which children in CHHs meet their daily family needs and address their vulnerabilities according to their gender, focusing on the experiences of the children. The study sample consisted of 10 households, with 5 boy and 5 girl-headed households from the chiefdoms within the area...
December 2017: African Journal of AIDS Research: AJAR
https://www.readbyqxmd.com/read/29131825/a-model-based-clustering-method-to-detect-infectious-disease-transmission-outbreaks-from-sequence-variation
#7
Rosemary M McCloskey, Art F Y Poon
Clustering infections by genetic similarity is a popular technique for identifying potential outbreaks of infectious disease, in part because sequences are now routinely collected for clinical management of many infections. A diverse number of nonparametric clustering methods have been developed for this purpose. These methods are generally intuitive, rapid to compute, and readily scale with large data sets. However, we have found that nonparametric clustering methods can be biased towards identifying clusters of diagnosis-where individuals are sampled sooner post-infection-rather than the clusters of rapid transmission that are meant to be potential foci for public health efforts...
November 13, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29129712/estimating-the-annual-risk-of-hiv-transmission-within-hiv-sero-discordant-couples-in-sub-saharan-africa
#8
Susanne F Awad, Hiam Chemaitelly, Laith J Abu-Raddad
OBJECTIVE: To estimate the annual risk of HIV transmission (ϕ) within HIV sero-discordant couples in 23 countries in sub-Saharan Africa (SSA), by utilizing newly-available national population-based data and accounting for factors known to potentially affect this estimation. METHODS: We used a recently-developed pair-based mathematical model that accommodates for HIV-dynamics temporal variation, sexual risk-behavior heterogeneity, and antiretroviral therapy (ART) scale-up...
November 9, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29120899/association-of-a-3-untranslated-region-polymorphism-in-proprotein-convertase-subtilisin-kexin-type-9-with-hiv-viral-load-and-cd4-levels-in-hiv-hepatitis-c-virus-coinfected-women
#9
Mark H Kuniholm, Hua Liang, Kathryn Anastos, Deborah Gustafson, Seble Kassaye, Marek Nowicki, Beverly E Sha, Emilia J Pawlowski, Stephen J Gange, Bradley E Aouizerat, Tatiana Pushkarsky, Michael I Bukrinsky, Vinayaka R Prasad
OBJECTIVE: To assess variation in genes that regulate cholesterol metabolism in relation to the natural history of HIV infection. DESIGN: Cross-sectional and longitudinal analysis of the Women's Interagency HIV Study. METHODS: We examined 2050 single nucleotide polymorphisms (SNPs) in 19 genes known to regulate cholesterol metabolism in relation to HIV viral load and CD4 T-cell levels in a multiracial cohort of 1066 antiretroviral therapy-naive women...
November 28, 2017: AIDS
https://www.readbyqxmd.com/read/29108000/whole-genome-sequencing-of-extreme-phenotypes-identifies-variants-in-cd101-and-ube2v1-associated-with-increased-risk-of-sexually-acquired-hiv-1
#10
Romel D Mackelprang, Michael J Bamshad, Jessica X Chong, Xuanlin Hou, Kati J Buckingham, Kathryn Shively, Guy deBruyn, Nelly R Mugo, James I Mullins, M Juliana McElrath, Jared M Baeten, Connie Celum, Mary J Emond, Jairam R Lingappa
Host genetic variation modifying HIV-1 acquisition risk can inform development of HIV-1 prevention strategies. However, associations between rare or intermediate-frequency variants and HIV-1 acquisition are not well studied. We tested for the association between variation in genic regions and extreme HIV-1 acquisition phenotypes in 100 sub-Saharan Africans with whole genome sequencing data. Missense variants in immunoglobulin-like regions of CD101 and, among women, one missense/5' UTR variant in UBE2V1, were associated with increased HIV-1 acquisition risk (p = 1...
November 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29104766/variation-in-neonatal-mortality-and-its-relation-to-country-characteristics-in-sub-saharan-africa-an-ecological-study
#11
Gbenga Ayodele Kayode, Diederick E Grobbee, Mary Amoakoh-Coleman, Evelyn Ansah, Olalekan A Uthman, Kerstin Klipstein-Grobusch
Background: A substantial reduction in neonatal mortality is the main priority to reduce under-five mortality. A clear understanding of the variation in neonatal mortality and the underlying causes is important for targeted intervention. We aimed to explore variation in neonatal mortality and identify underlying causes of variation in neonatal mortality in sub-Saharan Africa (SSA). Methods: This ecological study used 2012 publicly available data from WHO, the US Agency for International Development and the World Bank...
2017: BMJ Global Health
https://www.readbyqxmd.com/read/29097412/brain-structural-changes-following-hiv-infection-meta-analysis
#12
E E O'Connor, Timothy A Zeffiro, Thomas A Zeffiro
BACKGROUND: Numerous studies have used structural neuroimaging to measure HIV effects on brain macroarchitecture. While many have reported changes in total brain volume, gray matter volume, white matter volume, CSF volume, and basal ganglia volume following HIV infection, quantitative inconsistencies observed across studies are large. PURPOSE: Our aim was to evaluate the consistency and temporal stability of serostatus effects on a range of structural neuroimaging measures...
November 2, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29096662/hepatitis-c-virus-genotypes-in-saudi-arabia-a-future-prediction-and-laboratory-profile
#13
Amen Bawazir, Fahad AlGusheri, Hoda Jradi, Mohammed AlBalwi, Abdel-Galil Abdel-Gader
BACKGROUND: Hepatitis C virus (HCV) genotypes and subtypes are considered an important tool for epidemiological and clinical studies and valuable markers for disease progression and response to antiviral therapy. The aim of this study was to identify the prevalence of HCV genotypes and their relation to socio-demographic factors particularly age and sex, various biochemical profiles and viral load. METHODS: The records (630) of Saudi patients positive for HCV (2007-2011) reported in the system of the Molecular Pathology Laboratory at a tertiary reference hospital in Riyadh, Saudi Arabia were analyzed...
November 2, 2017: Virology Journal
https://www.readbyqxmd.com/read/29095899/a-systematic-review-of-emergency-department-based-hiv-testing-and-linkage-to-care-initiatives-in-low-resource-settings
#14
Bhakti Hansoti, Gabor D Kelen, Thomas C Quinn, Madeleine M Whalen, Taylor T DesRosiers, Steven J Reynolds, Andrew Redd, Richard E Rothman
INTRODUCTION: Only 45% of people currently living with HIV infection in sub-Saharan Africa are aware of their HIV status. Unmet testing needs may be addressed by utilizing the Emergency Department (ED) as an innovative testing venue in low and middle-income countries (LMICs). The purpose of this review is to examine the burden of HIV infection described in EDs in LMICs, with a focus on summarizing the implementation of various ED-based HIV testing strategies. METHODOLOGY AND RESULTS: We performed a systematic review of Pubmed, Embase, Scopus, Web of Science and the Cochrane Library on June 12, 2016...
2017: PloS One
https://www.readbyqxmd.com/read/29095720/hiv-outcomes-among-migrants-from-low-income-and-middle-income-countries-living-in-high-income-countries-a-review-of-recent-evidence
#15
Jonathan Ross, Chinazo O Cunningham, David B Hanna
PURPOSE OF REVIEW: Migrants living in high-income countries are disproportionately affected by HIV infection and frequently have characteristics associated with poor HIV clinical outcomes. HIV epidemiology among migrants is influenced by changes in migration patterns and variations in transmission risk behaviors. Here we review the recently published literature on known HIV outcomes among migrants from low-income and middle-income countries living in high-income countries. RECENT FINDINGS: High proportions of migrants acquire HIV after migration, and this group frequently presents to care late...
November 1, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29095018/nutritional-status-and-quality-of-life-in-hiv-infected-patients
#16
Barbara Fernandes De Carvalho, Sara Policarpo, Ana Catarina Moreira
INTRODUCTION: Nutritional status and the progression of the human immunodeficiency virus (HIV) are interlinked; though some studies have looked at the impact nutritional status has on quality of life (QoL) in patients with chronic diseases, few have studied this in HIV-infected individuals. OBJECTIVE: To investigate the relationship between nutritional status and QoL in adults with a recent HIV diagnosis. METHODS: Individuals with an HIV diagnosis performed in the fourteen months prior to a medical visit to one of Lisbon's central hospitals were eligible...
July 28, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29094672/general-practitioners-views-and-experiences-on-the-barriers-and-facilitators-that-men-who-have-sex-with-men-have-when-accessing-primary-care-for-hiv-testing-and-sexual-health-screening
#17
Steven Maxwell
Aim This study's objectives were to collate General Practitioners' (GPs) views and experiences on the barriers and facilitators for providing HIV and sexual health screening in primary care to men who have sex with men. BACKGROUND: Men who have sex with men (MSM) are disproportionately effected by sexually transmitted infections and HIV. Some MSM may not attend for testing and primary care may come in contact with this group. There may be varying barriers for MSM accessing services. Primary care can provide an opportunity to offer testing but with limited GPs views on this topic, it is important to understand the potential barriers and facilitators...
November 2, 2017: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/29091230/2017-hiv-medicine-association-of-infectious-diseases-society-of-america-clinical-practice-guideline-for-the-management-of-chronic-pain-in-patients-living-with-human-immunodeficiency-virus
#18
R Douglas Bruce, Jessica Merlin, Paula J Lum, Ebtesam Ahmed, Carla Alexander, Amanda H Corbett, Kathleen Foley, Kate Leonard, Glenn Jordan Treisman, Peter Selwyn
Pain has always been an important part of human immunodeficiency virus (HIV) disease and its experience for patients. In this guideline, we review the types of chronic pain commonly seen among persons living with HIV (PLWH) and review the limited evidence base for treatment of chronic noncancer pain in this population. We also review the management of chronic pain in special populations of PLWH, including persons with substance use and mental health disorders. Finally, a general review of possible pharmacokinetic interactions is included to assist the HIV clinician in the treatment of chronic pain in this population...
October 30, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29089503/designing-broad-spectrum-anti-hiv-1-grnas-to-target-patient-derived-variants
#19
Will Dampier, Neil T Sullivan, Cheng-Han Chung, Joshua Chang Mell, Michael R Nonnemacher, Brian Wigdahl
Clustered regularly interspaced short palindromic repeats (CRISPR) CRISPR-associated protein 9 (Cas9), including specific guide RNAs (gRNAs), can excise integrated human immunodeficiency virus type 1 (HIV-1) provirus from host chromosomes. To date, anti-HIV-1 gRNAs have been designed to account for off-target activity, however, they seldom account for genetic variation in the HIV-1 genome within and between patients, which will be crucial for therapeutic application of this technology. This analysis tests the ability of published anti-HIV-1 gRNAs to cleave publicly available patient-derived HIV-1 sequences to inform gRNA design and provides basic computational tools to researchers in the field...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29082767/design-and-evaluation-of-mucoadhesive-vaginal-tablets-of-tenofovir-disoproxil-fumarate-for-pre-exposure-prophylaxis-of-hiv
#20
Arshad Bashir Khan, Ram Sharnagat Thakur
OBJECTIVE: To design and evaluate novel, feasible, safe, mucoadhesive intravaginal tablets of tenofovir disoproxil fumarate (TDF). SIGNIFICANCE: It may provide pre-exposure prophylaxis for women against HIV. METHODS: TDF intravaginal tablets were formulated employing poylvinylpyrrolidone (PVP) as the matrix forming polymer and various mucoadhesive polymers such as carbopol 934, 940, chitosan, and sodium carboxymethylcellulose (SCMC). Wet granulation was used...
October 30, 2017: Drug Development and Industrial Pharmacy
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