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https://www.readbyqxmd.com/read/29791950/global-health-neurology-hiv-aids
#1
Payal B Patel, Serena S Spudich
With the advent of combination antiretroviral therapies, the mortality rate from HIV has declined, while the prevalence of long-term HIV-related neurologic complications continues to rise. Thirty-six million individuals are living with HIV around the world, many of whom reside in resource-limited settings. The majority of studies have focused on individuals residing in the developed world, while the impact of HIV disproportionately affects people living in developing countries. This review focuses on recent domestic and international studies regarding neurologic complications related to HIV, including opportunistic infections, peripheral neuropathy, cerebrovascular disease, and HIV-associated neurocognitive disorders, in light of the growing population affected by these conditions...
April 2018: Seminars in Neurology
https://www.readbyqxmd.com/read/29791608/hiv-1-genetic-diversity-and-resistance-to-antiretroviral-drugs-among-pregnant-women-in-ribeir%C3%A3-o-preto-sp-brazil-cross-sectional-study
#2
Ana Teresa Mancini Pimenta, Isadora Alonso Correa, Patricia Pereira Dos Santos Melli, Renata Abduch, Geraldo Duarte, José Carlos Couto-Fernandez, Silvana Maria Quintana
BACKGROUND: Increasing genetic diversity of HIV-1 and emergence of drug-resistant mutations may reduce the efficacy of antiretroviral therapy and prophylaxis that are used to prevent mother-to-child transmission. The aim of this study was to assess the genetic diversity and prevalence of drug-resistant mutations among HIV-infected pregnant women. DESIGN AND SETTING: Cross-sectional study at an outpatient clinic for infectious diseases within gynecology and obstetrics...
March 2018: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/29791013/frontline-science-buprenorphine-decreases-ccl2-mediated-migration-of-cd14-cd16-monocytes
#3
Matias Jaureguiberry-Bravo, Lillie Lopez, Joan W Berman
HIV infection of the CNS causes neuroinflammation and damage that contributes to the development of HIV-associated neurocognitive disorders (HAND) in greater than 50% of HIV-infected individuals, despite antiretroviral therapy (ART). Opioid abuse is a major risk factor for HIV infection. It has been shown that opioids can contribute to increased HIV CNS pathogenesis, in part, by modulating the function of immune cells. HIV enters the CNS within two weeks after peripheral infection by transmigration of infected monocytes across the blood brain barrier (BBB)...
May 23, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29790923/missed-opportunities-to-prescribe-preexposure-prophylaxis-in-south-carolina-2013-2016
#4
Dawn K Smith, Man-Huei Chang, Wayne A Duffus, Stella Okoye, Sharon Weissman
Introduction: Expanding use of preexposure prophylaxis (PrEP) in ways that address current racial/ethnic disparities is an important HIV prevention goal. We investigated missed opportunities to provide PrEP during healthcare visits occurring prior to HIV infection. Methods: This retrospective cohort study linked South Carolina HIV case surveillance data to 3 statewide healthcare databases. Characteristics of patients, health care visits and providers, sexually transmitted diseases (STD), and other diagnoses, were assessed for medical encounters occurring before an initial HIV diagnosis...
May 22, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29790254/chemsex-and-new-hiv-diagnosis-in-gay-bisexual-and-other-men-who-have-sex-with-men-attending-sexual-health-clinics
#5
M Pakianathan, W Whittaker, M J Lee, J Avery, S Green, B Nathan, A Hegazi
OBJECTIVES: The aim of the study was to analyse associations between chemsex and new HIV and sexually transmitted infection (STI) diagnoses among gay, bisexual and other men who have sex with men (GBMSM) accessing sexual health clinics. METHODS: A retrospective case note review was carried out for all GBMSM attending two London sexual health clinics between 1 June 2014 and 31 July 2015. RESULTS: Chemsex status was documented for 1734 of 1840 patients...
May 22, 2018: HIV Medicine
https://www.readbyqxmd.com/read/29790240/understanding-mucosal-and-microbial-functionality-of-the-female-reproductive-tract-by-metaproteomics-implications-for-hiv-transmission
#6
Alicia R Berard, Michelle Perner, Sarah Mutch, Christina Farr Zuend, Peter McQueen, Adam D Burgener
The mucosal surface of the female genital tract contains physiological, immunological, and microbial components that collectively comprise a functioning "mucosal system" that is critical for reproductive health. Alterations or imbalances to any of these components can have significant consequences for susceptibility to sexually transmitted infections, such as HIV. In recent years the advent of advanced systems biology technologies, such as metaproteomics, has provided new toolsets to studying mucosal systems...
May 22, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29790134/-hiv-stigma-and-spiritual-care-in-people-living-with-hiv
#7
Chia-Hui Yu, Yi-Chi Chiu, Su-Fen Cheng, Nai-Ying Ko
HIV infection has been a manageable and chronic illness in Taiwan since the highly active antiretroviral therapy was introduced in 1997. HIV infection is a stigmatized disease due to its perceived association with risky behaviors. HIV often carries a negative image, and people living with HIV(PLWH) face discrimination on multiple fronts. Internalized HIV stigma impacts the spiritual health of people living with HIV in terms of increased levels of shame, self-blame, fear of disclosing HIV status, and isolation and decreased value and connections with God, others, the environment, and the self...
June 2018: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/29790075/pathways-from-resilient-coping-to-safer-sex-communication-among-african-caribbean-and-black-women-in-toronto-canada-results-from-a-cross-sectional-survey
#8
Carmen H Logie, Moses Okumu, Shannon Ryan, Mary Yehdego
PURPOSE: African, Caribbean, and Black (ACB) women in Canada are disproportionately impacted by HIV and other sexually transmitted infections. Although there is reported suboptimal consistent condom use with ACB women, limited research has explored safer sex communication among this population. Coping frameworks highlight the role that resilient coping and condom use self-efficacy may play in facilitating safer sex communication. Structural perspectives stress the need to explore associations between HIV vulnerabilities and food insecurity...
May 22, 2018: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/29789655/cigarette-smoke-promotes-hiv-infection-of-primary-bronchial-epithelium-and-additively-suppresses-cftr-function
#9
S Chinnapaiyan, R Dutta, J Bala, T Parira, M Agudelo, M Nair, H J Unwalla
Recurrent lung infections are a common cause of morbidity and mortality in people living with HIV and this is exacerbated in smokers even when administered combination antiretroviral therapy (cART). The incidence of pneumonia is increased with smoking and treatment interruption and is directly dependent on viral load in patients when adjusted for CD4 counts. CFTR dysfunction plays an important role in aberrant airway innate immunity as it is pivotal in regulating mucociliary clearance (MCC) rates and other antibacterial mechanisms of the airway...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29789624/interplay-between-gut-microbiota-metabolism-and-inflammation-in-hiv-infection
#10
EDITORIAL
Jorge F Vázquez-Castellanos, Sergio Serrano-Villar, Nuria Jiménez-Hernández, María Dolores Soto Del Rio, Sara Gayo, David Rojo, Manuel Ferrer, Coral Barbas, Santiago Moreno, Vicente Estrada, Tomas Rattei, Amparo Latorre, Andrés Moya, María José Gosalbes
HIV infection causes a disruption of gut-associated lymphoid tissue, driving a shift in the composition of gut microbiota. A deeper understanding of the metabolic changes and how they affect the interplay with the host is needed. Here, we assessed functional modifications of HIV-associated microbiota by combining metagenomic and metatranscriptomic analyses. The transcriptionally active microbiota was well-adapted to the inflamed environment, overexpressing pathways related to resistance to oxidative stress...
May 23, 2018: ISME Journal
https://www.readbyqxmd.com/read/29789565/the-wide-utility-of-rabbits-as-models-of-human-diseases
#11
REVIEW
Pedro J Esteves, Joana Abrantes, Hanna-Mari Baldauf, Lbachir BenMohamed, Yuxing Chen, Neil Christensen, Javier González-Gallego, Lorenzo Giacani, Jiafen Hu, Gilla Kaplan, Oliver T Keppler, Katherine L Knight, Xiang-Peng Kong, Dennis K Lanning, Jacques Le Pendu, Ana Lemos de Matos, Jia Liu, Shuying Liu, Ana M Lopes, Shan Lu, Sheila Lukehart, Yukari C Manabe, Fabiana Neves, Grant McFadden, Ruimin Pan, Xuwen Peng, Patricia de Sousa-Pereira, Ana Pinheiro, Masmudur Rahman, Natalie Ruvoën-Clouet, Selvakumar Subbian, Maria Jesús Tuñón, Wessel van der Loo, Michael Vaine, Laura E Via, Shixia Wang, Rose Mage
Studies using the European rabbit Oryctolagus cuniculus contributed to elucidating numerous fundamental aspects of antibody structure and diversification mechanisms and continue to be valuable for the development and testing of therapeutic humanized polyclonal and monoclonal antibodies. Additionally, during the last two decades, the use of the European rabbit as an animal model has been increasingly extended to many human diseases. This review documents the continuing wide utility of the rabbit as a reliable disease model for development of therapeutics and vaccines and studies of the cellular and molecular mechanisms underlying many human diseases...
May 22, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29789450/lessons-learned-in-developing-a-commercial-fiv-vaccine-the-immunity-required-for-an-effective-hiv-1-vaccine
#12
REVIEW
Bikash Sahay, Janet K Yamamoto
The feline immunodeficiency virus (FIV) vaccine called Fel-O-Vax® FIV is the first commercial FIV vaccine released worldwide for the use in domestic cats against global FIV subtypes (A⁻E). This vaccine consists of inactivated dual-subtype (A plus D) FIV-infected cells, whereas its prototype vaccine consists of inactivated dual-subtype whole viruses. Both vaccines in experimental trials conferred moderate-to-substantial protection against heterologous strains from homologous and heterologous subtypes. Importantly, a recent case-control field study of Fel-O-Vax-vaccinated cats with outdoor access and ≥3 years of annual vaccine boost, resulted in a vaccine efficacy of 56% in Australia where subtype-A viruses prevail...
May 22, 2018: Viruses
https://www.readbyqxmd.com/read/29789160/pneumocystosis-and-quantitative-pcr
#13
N Issa, F Gabriel, G Baulier, G Mourissoux, I Accoceberry, O Guisset, F Camou
OBJECTIVE: Pneumocystis pneumonia (PCP) is now predominantly observed in immunosuppressed non-HIV-infected patients. The sensitivity of the PCR is here higher than direct examination (DE) of respiratory secretions because the infection is caused by a lower inoculum of Pneumocystis jirovecii (P. jirovecii). The objective of our retrospective study was to assess the contribution of quantitative PCR (qPCR) in the diagnosis of PCP. PATIENTS AND METHODS: All patients hospitalized for PCP suspicion with a positive qPCR were included...
May 19, 2018: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29789010/perceived-behavioural-predictors-of-late-initiation-to-hiv-aids-care-in-gurage-zone-public-health-facilities-a-cohort-study-using-health-belief-model
#14
Teklemichael Gebru, Kifle Lentiro, Abdulewhab Jemal
OBJECTIVE: The study was aimed to measure incidence density rate and identify perceived behavioural believes of late initiation to HIV/AIDS care in Gurage zone public health facilities from September 2015 to November 2016. RESULTS: The incidence density rates of late initiation to HIV/AIDS care were 2.21 per 100 person-months of observation. HIV positive individuals who did not perceived susceptibility were 8.46 times more likely delay to start HIV/AIDS care than their counter parts [OR = 8...
May 22, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29788937/seroprevalence-of-transfusion-transmissible-infections-hbv-hcv-syphilis-and-hiv-among-prospective-blood-donors-in-a-tertiary-health-care-facility-in-calabar-nigeria-an-eleven-years-evaluation
#15
Henshaw Uchechi Okoroiwu, Ifeyinwa Maryann Okafor, Enosakhare Aiyudubie Asemota, Dorathy Chioma Okpokam
BACKGROUND: Provision of constant and safe blood has been a public health challenge in Sub-Saharan Africa with high prevalence of transfusion-transmissible infections (TTIs). This study was aimed at determining the trend and seroprevalence of HBV, HCV, syphilis and HIV across the years within study among prospective blood donors at blood bank in University of Calabar Teaching Hospital (UCTH), Calabar, Nigeria. METHODS: A retrospective analysis of blood donor data from January 2005 to December 2016 was conducted in Blood Bank/Donor Clinic of University of Calabar Teaching Hospital, Calabar, Nigeria...
May 22, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29788934/the-lung-microbiome-in-children-with-hiv-bronchiectasis-a-cross-sectional-pilot-study
#16
Refiloe Masekela, Solize Vosloo, Stephanus N Venter, Wilhelm Z de Beer, Robin J Green
BACKGROUND: Data on the lung microbiome in HIV-infected children is limited. The current study sought to determine the lung microbiome in HIV-associated bronchiectasis and to assess its association with pulmonary exacerbations. METHODS: A cross-sectional pilot study of 22 children (68% male; mean age 10.8 years) with HIV-associated bronchiectasis and a control group of 5 children with cystic fibrosis (CF). Thirty-one samples were collected, with 11 during exacerbations...
May 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29788907/mycobacterium-avium-complex-vertebral-osteomyelitis-in-the-absence-of-hiv-infection-a-case-report-and-review
#17
Megan E Gray, Peter W Liu, Brian Wispelwey
BACKGROUND: Mycobacterium Avium Complex (MAC) is an established microbiologic cause of pulmonary disease, lymphadenitis, and disseminated disease in cases of advanced immune suppression. However, MAC manifesting as vertebral osteomyelitis is less common, and is particularly rare in the absence of Acquired Immunodeficiency Syndrome (AIDS). Prompt diagnosis of MAC vertebral osteomyelitis is challenging, but necessary to prevent serious morbidity or mortality. CASE PRESENTATION: We report a case of MAC osteomyelitis of the lumbar spine in a 70-year-old woman on extended duration corticosteroid therapy for systemic lupus erythematosus who presented with progressive back pain...
May 22, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29788538/hepatitis-e-virus-in-south-america-the-current-scenario
#18
María Belén Pisano, Maribel Martínez Wassaf, Santiago Mirazo, Anabella Fantilli, Juan Arbiza, José Debes, Viviana E Ré
Hepatitis E virus (HEV) is one of the most frequent causes of acute viral hepatitis of enteric transmission worldwide. In South America the overall epidemiology has been little studied, and the burden of the disease remains largely unknown. A research of all scientific articles about HEV circulation in South America until November 2017 was carried out. Human seroprevalences of HEV varied according to the studied population: blood donors presented prevalence rates ranging from 1.8 to 9.8%, while reports from HIV-infected individuals, transplant recipients and patients on hemodialysis showed higher prevalence rates...
May 22, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29788421/predicting-viral-failure-in-human-immunodeficiency-virus-perinatally-infected-youth-with-persistent-low-level-viremia-on-highly-active-antiretroviral-therapy
#19
Ruth Pereira, David A Ludwig, Sunil Mathew, Claudia Flores, Sady Dominguez, Ivan Gonzalez, Delia Rivera-Hernandez, Gwendolyn B Scott, Charles D Mitchell
Background: Less than optimal adherence with antiretroviral therapy occurs commonly among human immunodeficiency virus HIV)-infected youth. In this study, our object was to identify patterns in the prefailure measurement of viral load (VL) that can reliably predict virological failure (VF) in HIV perinatally infected youth on highly active antiretroviral therapy (HAART). Methods: We conducted a retrospective chart review of HIV-infected youth with low-level viremia (LLV), defined as an HIV VL between the lower limits of detection (20-75 copies/mL) and 1000 copies/mL...
May 19, 2018: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29788316/efficacy-of-vaginally-administered-gel-containing-emtricitabine-and-tenofovir-against-repeated-rectal-shiv-exposures-in-macaques
#20
Charles W Dobard, Natalia Makarova, Rolieria West-Deadwyler, Andrew Taylor, Chuong Dinh, Amy Martin, Jonathan Lipscomb, James Mitchell, George Khalil, Gerardo Garcia-Lerma, Walid Heneine
Vaginal microbicides containing antiretrovirals (ARV) have shown to prevent vaginally acquired HIV but these products may not protect women who engage in anal sex. Intravaginal dosing with ARVs have shown to result in drug exposures in rectal tissues, thus raising the possibility of dual compartment protection. To test this concept, we investigated whether intravaginal dosing with emtricitabine (FTC)-tenofovir (TFV) gel, which fully protected macaques against repeated vaginal exposures to simian human immunodeficiency virus (SHIV), protects against rectal SHIV exposures...
May 21, 2018: Journal of Infectious Diseases
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