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HIV Prevention

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https://www.readbyqxmd.com/read/29351639/call-to-action-prevention-of-mother-to-child-transmission-of-hepatitis-b-in-africa
#1
Peyton Wilson, Jonathan B Parr, Ravi Jhaveri, Steve R Meshnick
Hepatitis B virus (HBV) is a significant public health issue that has not been adequately addressed, especially in the high-prevalence region of Africa. Despite the incorporation of HBV vaccines into the Expanded Program on Immunization (EPI), children continue to be infected with HBV through maternal-to-child transmission (MTCT). The addition of a birth dose of HBV vaccine would be a cost-effective method to reduce MTCT. Birth-dose HBV vaccine policies have been adopted in the Western Pacific region but have yet to be implemented in the African region...
January 17, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29351561/preconception-use-of-cart-by-hiv-positive-pregnant-women-increases-the-risk-of-infants-being-born-small-for-gestational-age
#2
Ingrid J M Snijdewind, Colette Smit, Mieke H Godfried, Rachel Bakker, Jeannine F J B Nellen, Vincent W V Jaddoe, Elisabeth van Leeuwen, Peter Reiss, Eric A P Steegers, Marchina E van der Ende
BACKGROUND: The benefits of combination anti-retroviral therapy (cART) in HIV-positive pregnant women (improved maternal health and prevention of mother to child transmission [pMTCT]) currently outweigh the adverse effects due to cART. As the variety of cART increases, however, the question arises as to which type of cART is safest for pregnant women and women of childbearing age. We studied the effect of timing and exposure to different classes of cART on adverse birth outcomes in a large HIV cohort in the Netherlands...
2018: PloS One
https://www.readbyqxmd.com/read/29351328/joint-modeling-of-correlated-binary-outcomes-the-case-of-contraceptive-use-and-hiv-knowledge-in-bangladesh
#3
Di Fang, Renyuan Sun, Jeffrey R Wilson
Recent advances in statistical methods enable the study of correlation among outcomes through joint modeling, thereby addressing spillover effects. By joint modeling, we refer to simultaneously analyzing two or more different response variables emanating from the same individual. Using the 2011 Bangladesh Demographic and Health Survey, we jointly address spillover effects between contraceptive use (CUC) and knowledge of HIV and other sexually transmitted diseases. Jointly modeling these two outcomes is appropriate because certain types of contraceptive use contribute to the prevention of HIV and STDs and the knowledge and awareness of HIV and STDs typically lead to protection during sexual intercourse...
2018: PloS One
https://www.readbyqxmd.com/read/29349098/comparison-of-hiv-testing-among-children-and-adults-with-tuberculosis-vietnam
#4
Tyson Volkmann, Binh Nguyen, Ebelechukwu G Anyalechi, Kimberly N Chapman Hedges, Ho Van Anh, Pham Quang Tue, Nguyen Viet Nhung, Eleanor S Click
HIV testing among persons with tuberculosis (TB) results in high-yield identification of persons infected with HIV. To evaluate differences in HIV testing among children versus adults with TB in Vietnam, we collected and analyzed age-disaggregated facility and aggregated provincial data from the National Tuberculosis Program. HIV testing was incompletely documented for >70% of children, whereas adult testing data were >90% complete. Standardized training of personnel for universal HIV testing and documentation for children with TB could improve HIV case-detection and permit linking of children with HIV to antiretroviral treatment to prevent morbidity and mortality...
December 2017: Journal of Tuberculosis Research
https://www.readbyqxmd.com/read/29348664/stress-induced-trbp-phosphorylation-enhances-its-interaction-with-pkr-to-regulate-cellular-survival
#5
Evelyn Chukwurah, Rekha C Patel
Transactivation response element RNA-binding protein (TRBP or TARBP2) initially identified to play an important role in human immunodeficiency virus (HIV) replication also has emerged as a regulator of microRNA biogenesis. In addition, TRBP functions in signaling pathways by negatively regulating the interferon-induced double-stranded RNA (dsRNA)-activated protein kinase (PKR) during viral infections and cell stress. During cellular stress, PKR is activated and phosphorylates the α subunit of the eukaryotic translation factor eIF2, leading to the cessation of general protein synthesis...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29347929/the-hiv-self-testing-debate-where-do-we-stand
#6
REVIEW
Marilou Gagnon, Martin French, Yamilee Hébert
BACKGROUND: Emphasis on HIV testing as a gateway to prevention, treatment and care has grown tremendously over the past decade. In turn, this emphasis on testing has created a demand for new policies, programs, and technologies that can potentially increase access to and uptake of HIV testing. HIV self-testing (HST) technologies have gained important momentum following the approval of the over-the-counter self-tests in the United States, the UK, and France. While the renewed interest in HST has given rise to a number of high quality reviews of empirical studies conducted on this topic, we have yet to find an article that captures the extent of the debate on HST...
January 18, 2018: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/29347903/child-caregiver-and-health-care-provider-perspectives-and-experiences-regarding-disclosure-of-hiv-status-to-perinatally-infected-children-in-lima-peru
#7
Amira Noori Baker, Angela Marie Bayer, Lenka Kolevic, Lizzete Najarro, Rolando Mario Viani, Jaime Gerardo Deville
BACKGROUND: Despite recommendations for disclosure of HIV status to children living with HIV (CLHIV), fewer than half of CLHIV at the Instituto Nacional de Salud del Niño (INSN) in Lima, Peru, have had disclosure. How and when the disclosure process for CLHIV should take place in Peru has not been studied. METHODS: We conducted a qualitative study at INSN to explore perceptions and experiences of 6 health care providers (HCPs), 14 disclosed and nondisclosed CLHIV (8-17 years), and their 14 caregivers regarding knowledge of illness, disclosure of HIV status, and appropriate disclosure approaches...
January 2018: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/29347858/where-are-we-with-injectables-against-hiv-infection-and-what-are-the-remaining-challenges
#8
Said A Hassounah, Thibault Mesplède
Drug adherence has been a recurring issue in the field of HIV treatment, and low treatment adherence is typically associated with emergence of drug resistance, treatment failure and increased risks of transmission. Injectable antiretroviral drugs offer a unique opportunity to counter this issue for the treatment of HIV-positive individuals. In addition, injectables offer a remarkable opportunity to reduce new HIV infections, if applied in the context of both treatment-as-prevention and pre-exposure prophylaxis...
January 19, 2018: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29346349/early-treatment-of-siv-macaques-with-an-%C3%AE-4%C3%AE-7-mab-alters-virus-distribution-and-preserves-cd4-t-cells-in-later-stages-of-infection
#9
P J Santangelo, C Cicala, S N Byrareddy, K T Ortiz, D Little, K E Lindsay, S Gumber, J J Hong, K Jelicic, K A Rogers, C Zurla, F Villinger, A A Ansari, A S Fauci, J Arthos
Integrin α4β7 mediates the trafficking of leukocytes, including CD4+ T cells, to lymphoid tissues in the gut. Virus mediated damage to the gut is implicated in HIV and SIV mediated chronic immune activation and leads to irreversible damage to the immune system. We employed an immuno-PET/CT imaging technique to evaluate the impact of an anti-integrin α4β7 mAb alone or in combination with ART, on the distribution of both SIV infected cells and CD4+ cells in rhesus macaques infected with SIV. We determined that α4β7 mAb reduced viral antigen in an array of tissues of the lung, spleen, axillary, and inguinal lymph nodes...
December 20, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29345606/prevalence-of-transmitted-drug-resistance-among-hiv-1-treatment-naive-patients-in-beijing
#10
Y X Song, R L Xin, Z C Li, H W Yu, W H Lun, J Ye, A Liu, A X Li, J W Li, J Z Ye, M Q Hao, H Y Lu, L J Sun
To optimise patients' outcomes and gain insight into transmitted drug resistance (TDR) among human immunodeficiency virus (HIV)-1 treatment-naive patients in Beijing, the prevalence of TDR was assessed. Demographic and clinical data of 1241 treatment-naive patients diagnosed between April 2014 and February 2015 were collected. TDR was defined using the Stanford University HIV drug resistance mutations database. The risk factors were evaluated by multi-logistic regression analysis. Among 932 successfully amplified cases, most were male (96...
January 18, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29345375/understanding-the-regulation-of-apobec3-expression-current-evidence-and-much-to-learn
#11
REVIEW
Daniela Angela Covino, Maria Cristina Gauzzi, Laura Fantuzzi
The apolipoprotein B mRNA editing enzyme catalytic polypeptide-like 3 (APOBEC3) family of cytosine deaminases plays crucial roles in innate immunity through the ability of restricting viral replication by deamination and mutation of viral genomes. The antiviral function of these proteins was first discovered when research in the field of HIV infection revealed that one member of the family, namely APOBEC3G, restricts HIV infection in T lymphocytes and that the viral infectivity factor protein drives the proteosomal degradation of this enzyme, thus overriding its antiviral function...
December 15, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29344211/prevalence-of-hpv-infection-among-hiv-positive-and-hiv-negative-women-in-central-eastern-italy-strategies-of-prevention
#12
Edoardo Tartaglia, Katia Falasca, Jacopo Vecchiet, Giovanna Paola Sabusco, Giovanna Picciano, Roberto Di Marco, Claudio Ucciferri
The present cross-sectional-study aimed to determine the prevalence of human papillomavirus (HPV)-genotypes among human immunodeficiency virus (HIV)-positive and -negative women in Central/Eastern Italy, and to identify the optimal strategies for effective HPV-prevention in each group. A representative sample of HIV-negative (150/200) and -positive (50/200) women, who underwent cervico-vaginal-swabbing. Swabs were analysed for a cytological screening and for a HPV-DNA-genotyping-test. A total of 66/200 swabs resulted HPV-positive...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343948/types-and-delivery-of-emotional-support-to-promote-linkage-and-engagement-in-hiv-care
#13
Christa L Cook, Shantrel Canidate, Nicole Ennis, Robert L Cook
Purpose: Despite recommendations for early entry into human immunodeficiency virus (HIV) care, many people diagnosed with HIV delay seeking care. Multiple types of social support (ie, cognitive, emotional, and tangible) are often needed for someone to transition into HIV care, but a lack of emotional support at diagnosis may be the reason why some people fail to stay engaged in care. Thus, the purpose of this study was to identify how people living with HIV conceptualized emotional support needs and delivery at diagnosis...
2018: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29343578/a-new-quinoline-brd4-inhibitor-targets-a-distinct-latent-hiv-1-reservoir-for-re-activation-from-other-shock-drugs
#14
Erik Abner, Mateusz Stoszko, Lei Zeng, Heng-Chang Chen, Andrea Izquierdo-Bouldstridge, Tsuyoshi Konuma, Eduard Zorita, Elisa Fanunza, Qiang Zhang, Tokameh Mahmoudi, Ming-Ming Zhou, Guillaume J Filion, Albert Jordan
Upon HIV-1 infection, a reservoir of latently infected resting T cells prevents the eradication of the virus from patients. To achieve complete depletion, the existing virus-suppressing antiretroviral therapy must be combined with drugs that reactivate the dormant viruses. We previously described a novel chemical scaffold compound, MMQO (8-methoxy-6-methylquinolin-4-ol) that is able to reactivate viral transcription in several models of HIV latency including J-Lat cells through an unknown mechanism. MMQO potentiates the activity of known latency-reversing agents (LRAs) or 'shock' drugs such as PKC agonists or HDAC inhibitors...
January 17, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29342162/comparison-of-diagnostic-methods-to-detect-histoplasma-capsulatum-in-serum-and-blood-samples-from-aids-patients
#15
Katia Cristina Dantas, Roseli Santos de Freitas, Marcos Vinicius da Silva, Paulo Ricardo Criado, Olinda do Carmo Luiz, Adriana Pardini Vicentini
BACKGROUND: Although early and rapid detection of histoplasmosis is essential to prevent morbidity and mortality, few diagnostic tools are available in resource-limited areas, especially where it is endemic and HIV/AIDS is also epidemic. Thus, we compared conventional and molecular methods to detect Histoplasma capsulatum in sera and blood from HIV/AIDS patients. METHODOLOGY: We collected a total of 40 samples from control volunteers and patients suspected of histoplasmosis, some of whom were also infected with other pathogens...
2018: PloS One
https://www.readbyqxmd.com/read/29340517/-indigenous-peoples-hiv-and-public-policy-in-latin-america-an-exploration-of-the-current-situations-of-epidemiological-prevalence-prevention-care-and-timely-treatment
#16
Patricia Ponce, Rubén Muñoz, Matías Stival
This article aims to describe and analyze the situations of epidemiological prevalence, prevention, care and treatment of HIV in indigenous populations of Latin America. In order to do so, 304 published materials - including declarations, public policy and health program protocols, case studies and literature reviews with local, national and regional scopes - were identified, classified and analyzed. The differential social vulnerability to HIV infection and the inequity in health care access among indigenous populations can be attributed to the juxtaposition of factors such as structural violence, gender, racism, and discrimination due health condition (living with HIV) as well as the subordinated position of indigenous peoples in societies stratified not only socially and economically but also ethnically and culturally...
July 2017: Salud Colectiva
https://www.readbyqxmd.com/read/29339504/complement-pathway-gene-activation-and-rising-circulating-immune-complexes-characterize-early-disease-in-hiv-associated-tuberculosis
#17
Hanif Esmail, Rachel P Lai, Maia Lesosky, Katalin A Wilkinson, Christine M Graham, Stuart Horswell, Anna K Coussens, Clifton E Barry, Anne O'Garra, Robert J Wilkinson
The transition between latent and active tuberculosis (TB) occurs before symptom onset. Better understanding of the early events in subclinical disease will facilitate the development of diagnostics and interventions that improve TB control. This is particularly relevant in the context of HIV-1 coinfection where progression of TB is more likely. In a recent study using [18F]-fluoro-2-deoxy-d-glucose positron emission/computed tomography (FDG-PET/CT) on 35 asymptomatic, HIV-1-infected adults, we identified 10 participants with radiographic evidence of subclinical disease, significantly more likely to progress than the 25 participants without...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339468/molecular-epidemiology-reveals-the-role-of-war-in-the-spread-of-hiv-in-ukraine
#18
Tetyana I Vasylyeva, Mariia Liulchuk, Samuel R Friedman, Iana Sazonova, Nuno R Faria, Aris Katzourakis, Nataliia Babii, Alla Scherbinska, Julien Thézé, Oliver G Pybus, Pavlo Smyrnov, Jean L Mbisa, Dimitrios Paraskevis, Angelos Hatzakis, Gkikas Magiorkinis
Ukraine has one of the largest HIV epidemics in Europe, historically driven by people who inject drugs (PWID). The epidemic showed signs of stabilization in 2012, but the recent war in eastern Ukraine may be reigniting virus spread. We investigated the movement of HIV-infected people within Ukraine before and during the conflict. We analyzed HIV-1 subtype-A pol nucleotide sequences sampled during 2012-2015 from 427 patients of 24 regional AIDS centers and used phylogeographic analysis to reconstruct virus movement among different locations in Ukraine...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29338717/risk-factors-for-acute-respiratory-infections-in%C3%A2-children-under-five-years-attending-the-bamenda-regional-hospital-in-cameroon
#19
Alexis A Tazinya, Gregory E Halle-Ekane, Lawrence T Mbuagbaw, Martin Abanda, Julius Atashili, Marie Therese Obama
BACKGROUND: Acute respiratory infections (ARI) are a leading cause of morbidity and mortality in under-five children worldwide. About 6.6 million children less than 5 years of age die every year in the world; 95% of them in low-income countries and one third of the total deaths is due to ARI. This study aimed at determining the proportion of acute respiratory infections and the associated risk factors in children under 5 years visiting the Bamenda Regional Hospital in Cameroon. METHODS: A cross-sectional analytic study involving 512 children under 5 years was carried out from December 2014 to February 2015...
January 16, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29338660/social-ecological-factors-associated-with-selling-sex-among-men-who-have-sex-with-men-in-jamaica-results-from-a-cross-sectional-tablet-based-survey
#20
Carmen H Logie, Ashley Lacombe-Duncan, Kathleen S Kenny, Kandasi Levermore, Nicolette Jones, Stefan D Baral, Ying Wang, Annecka Marshall, Peter A Newman
BACKGROUND: Globally, men who have sex with men (MSM) experience social marginalization and criminalization that increase HIV vulnerability by constraining access to HIV prevention and care. People who sell sex also experience criminalization, rights violations, and violence, which elevate HIV exposure. MSM who sell sex may experience intersectional stigma and intensified social marginalization, yet have largely been overlooked in epidemiological and social HIV research. In Jamaica, where same sex practices and sex work are criminalized, scant research has investigated sex selling among MSM, including associations with HIV vulnerability...
2018: Global Health Action
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