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https://www.readbyqxmd.com/read/27911140/effect-of-secondary-preventive-therapy-on-recurrence-of-tuberculosis-in-hiv-infected-individuals-a-systematic-review
#1
Wassilis Sc Bruins, Frank van Leth
Human immunodeficiency virus (HIV)-infected individuals successfully treated for tuberculosis (TB) remain at risk of recurrence of the disease, especially in high TB incidence settings. We performed a systematic review, investigating whether secondary preventive therapy (sPT) with anti-TB drugs (preventive therapy in former TB patients with treatment success) is an effective strategy to prevent recurrence of TB in this patient group. We searched the databases PubMed, Cochrane Library, EMBASE, Web of Science and Google Scholar using the keywords HIV-infections, HIV, human immunodeficiency virus, AIDS, isoniazid, isoniazid preventive therapy (IPT), tuberculosis, TB, recurrence and recurrent disease, resulting in 253 potential publications...
December 2, 2016: Infectious Diseases
https://www.readbyqxmd.com/read/27910923/protein-expression-from-unintegrated-hiv-1-dna-introduces-bias-in-primary-in-vitro-post-integration-latency-models
#2
Pawel Bonczkowski, Marie-Angélique De Scheerder, Eva Malatinkova, Alexandra Borch, Zora Melkova, Renate Koenig, Ward De Spiegelaere, Linos Vandekerckhove
To understand the persistence of latently HIV-1 infected cells in virally suppressed infected patients, a number of in vitro models of HIV latency have been developed. In an attempt to mimic the in vivo situation as closely as possible, several models use primary cells and replication-competent viruses in combination with antiretroviral compounds to prevent ongoing replication. Latency is subsequently measured by HIV RNA and/or protein production after cellular activation. To discriminate between pre- and post-integration latency, integrase inhibitors are routinely used, preventing novel integrations upon cellular activation...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910750/antiretroviral-agents-looking-for-the-best-possible-chemotherapeutic-options-to-conquer-hiv
#3
Tahir Farooq, Arruje Hameed, Kanwal Rehman, Muhammad Ibrahim, Muhammad Imran Qadir, Muhammad Sajid Hamid Akash
For the last thirty years, ongoing efforts have revolutionized the antiretroviral therapy, which changed human immunodeficiency virus (HIV) infections from terrifying lethal diseases to chronic conditions. However, many challenges, like emergence of drug resistance, limited the scope of activity of currently existing anti-HIV agents. Quite often severe side effects and lifelong dependency are the major concerns of present era. All these issues have compelled the scientists to reconsider and refine the current therapies and also contemplate the pivotal priorities for the developments of novel therapeutic paradigms...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910722/post-exposure-prophylaxis-awareness-and-use-among-men-who-have-sex-with-men-in-london-who-use-geosocial-networking-smartphone-applications
#4
William C Goedel, Daniel Hagen, Perry N Halkitis, Richard E Greene, Marybec Griffin-Tomas, Forrest A Brooks, DeMarc Hickson, Dustin T Duncan
The number of new HIV infections continues to be on the rise in many high-income countries, most notably among men who have sex with men (MSM). Despite recent attention to the use of antiretroviral medications as pre-exposure prophylaxis (PrEP) among MSM, considerably less research has been devoted to examining the awareness and use of post-exposure prophylaxis (PEP). Based on a convenience sample of 179 self-reported HIV-uninfected MSM using a geosocial-networking smartphone application, this study is among the first to examine the awareness and use of PEP and their demographic and behavioral correlates among MSM in London...
December 2, 2016: AIDS Care
https://www.readbyqxmd.com/read/27910154/interferon-free-regimens-improve-portal-hypertension-and-histological-necroinflammation-in-hiv-hcv-patients-with-advanced-liver-disease
#5
P Schwabl, M Mandorfer, S Steiner, B Scheiner, D Chromy, M Herac, T Bucsics, H Hayden, K Grabmeier-Pfistershammer, A Ferlitsch, G Oberhuber, M Trauner, M Peck-Radosavljevic, T Reiberger
BACKGROUND: HIV/HCV co-infected patients show accelerated fibrosis progression and higher risk for complications of portal hypertension (PHT). AIM: To assess the effects of interferon-free therapy on portal pressure, liver histology and plasma biomarkers in HIV/HCV-coinfected patients with PHT. METHODS: Twenty-two patients with paired hepatic venous pressure gradient (HVPG) measurements prior and after successful treatment (SVR) with interferon-free regimens were included...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27910095/a-comparison-of-methods-for-estimating-the-incidence-of-human-immunodeficiency-virus-infection-in-repeat-blood-donors
#6
Donald J Brambilla, Michael P Busch, Roger Y Dodd, Simone A Glynn, Steven H Kleinman
BACKGROUND: The incidence of human immunodeficiency virus (HIV) in repeat blood donors has been estimated using seven methods. Although incidence is always calculated as cases per person-time, approaches to selecting cases and calculating person-time vary. Incidence estimates have not been compared among methods. STUDY DESIGN AND METHODS: The seven methods were compared in a simulation study. Because three methods used information from donations made before an estimation interval, 8 years of donation and infection history were simulated, and Years 7 and 8 were treated as the estimation interval for all methods...
December 1, 2016: Transfusion
https://www.readbyqxmd.com/read/27909828/the-dopamine-related-polymorphisms-bdnf-comt-drd2-drd3-and-drd4-are-not-linked-with-changes-in-csf-dopamine-levels-and-frequency-of-hiv-infection
#7
Anne Horn, C Scheller, S du Plessis, R Burger, G Arendt, J Joska, S Sopper, C M Maschke, M Obermann, I W Husstedt, J Hain, P Riederer, E Koutsilieri
We showed previously that higher levels in CSF dopamine in HIV patients are associated with the presence of the dopamine transporter (DAT) 10/10-repeat allele which was also detected more frequently in HIV-infected individuals compared to uninfected subjects. In the current study, we investigated further whether other genetic dopamine (DA)-related polymorphisms may be related with changes in CSF DA levels and frequency of HIV infection in HIV-infected subjects. Specifically, we studied genetic polymorphisms of brain-derived neurotrophic factor, catechol-O-methyltransferase, and dopamine receptors DRD2, DRD3, and DRD4 genetic polymorphisms in uninfected and HIV-infected people in two different ethnical groups, a German cohort (Caucasian, 72 individuals with HIV infection and 22 individuals without HIV infection) and a South African cohort (Xhosan, 54 individuals with HIV infection and 19 individuals without HIV infection)...
December 1, 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27909304/transmission-of-multiple-hiv-1-subtype-c-transmitted-founder-viruses-into-the-same-recipients-was-not-determined-by-modest-phenotypic-differences
#8
Hongshuo Song, Bhavna Hora, Elena E Giorgi, Amit Kumar, Fangping Cai, Tanmoy Bhattacharya, Alan S Perelson, Feng Gao
A severe bottleneck exists during HIV-1 mucosal transmission. However, viral properties that determine HIV-1 transmissibility are not fully elucidated. We identified multiple transmitted/founder (T/F) viruses in six HIV-1-infected subjects by analyzing whole genome sequences. Comparison of biological phenotypes of different T/F viruses from the same individual allowed us to more precisely identify critical determinants for viral transmissibility since they were transmitted under similar conditions. All T/F viruses used coreceptor CCR5, while no T/F viruses used CXCR4 or GPR15...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27909244/cd4-down-regulation-by-hiv-1-nef-reveals-distinct-roles-for-%C3%AE-1-and-%C3%AE-2-subunits-of-ap-1-complex-in-protein-trafficking
#9
Lucas A Tavares, Eulália M L da Silva, Mara E da Silva-Januário, Yunan C Januário, Julianne V de Cavalho, Érika S Czernisz, Gonzalo A Mardones, Luis L P daSilva
The HIV accessory protein Nef is a major determinant of viral pathogenesis that facilitates viral particle release, prevents viral antigen presentation and increases infectivity of new virus particles. These functions of Nef involve its ability to remove specific host proteins from the surface of infected cells, including the CD4 receptor. Nef binds to the adaptor protein 2 (AP-2) and CD4 in clathrin-coated pits, forcing CD4 internalization and subsequent target to lysosomes. Herein, we report that this lysosomal targeting requires a variant of the AP-1 comprising the isoform 2 of γ-adaptin...
December 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27909114/conservative-treatment-of-chronic-subdural-hematoma-in-hiv-associated-thrombocytopenia-with-tranexamic-acid
#10
Raja K Kutty, Anil Kumar Peethambaran, Sunilkumar, M Anilkumar
Chronic subdural hematomas (CSDHs) and its management comprise a majority work in a neurosurgical specialty. The effectiveness of surgery is beyond doubt and sometimes even lifesaving in severe cases. However, the straightforward surgery is sometimes complicated by the associated comorbidities of the patient. Comorbidities in the form of coagulopathies secondary to chronic liver diseases, drugs (warfarin, ecosprin, clopidogrel), thrombocytopenia secondary to systemic illness are always a challenge to deal with in patients with CSDH...
December 1, 2016: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/27908808/emergency-hybrid-approach-to-ruptured-femoral-pseudoaneurysm-in-hiv-positive-intravenous-drug-abusers
#11
Maurizio Domanin, Giovanni Romagnoni, Silvia Romagnoli, Antonio Rolli, Livio Gabrielli
PURPOSE: Chronic traumatism of the common femoral artery due to intravenous injection in drug abusers, in association with local infections and arterial wall weakening caused by HIV, can lead to the development of pseudoaneurysms. Rupture of pseudoaneurysm is a dramatic event in such patients and its correction is difficult and controversial. Most of the cases reported describe open surgical elective options, that consist in ligation, repair or substitution of the damaged arterial segment, employing when possible biological grafts...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27907973/-second-generation-integrase-inhibitors
#12
David Jilich
Antiretroviral therapy is the only effective treatment of HIV infection. Based on data demonstrating the beneficial effect of therapy in all HIV patients, the percentage of persons receiving treatment has increased in recent years. HIV integrase inhibitors play an important role in modern therapy.
September 2016: Klinická Mikrobiologie a Infekc̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27907928/cytomorphological-analysis-of-lymph-node-lesions-in-hiv-positive-patients-with-cd4-count-correlation-a-cross-sectional-study
#13
Sadia Siddiqa Nasser, Rashmi K Patil, Shreekanth K Kittur
OBJECTIVES: To study the cytomorphological spectrum of lymph node lesions in HIV-positive patients and correlate the cytological findings with the CD4 count. STUDY DESIGN: This was a cross-sectional study of 23 months' duration which included 110 HIV-positive cases proved according to the guidelines of the National AIDS Control Organisation. Fine-needle aspiration cytology (FNAC) was done on clinically palpable lymph nodes. Special stains and culture were done wherever necessary...
December 2, 2016: Acta Cytologica
https://www.readbyqxmd.com/read/27907848/fatal-and-non-fatal-overdose-after-narcology-hospital-discharge-among-russians-living-with-hiv-aids-who-inject-drugs
#14
Alexander Y Walley, Debbie M Cheng, Emily K Quinn, Elena Blokhina, Natalia Gnatienko, Christine E Chaisson, Evgeny Krupitsky, Philip O Coffin, Jeffrey H Samet
OBJECTIVES: Among Russians living with HIV/AIDS who inject drugs, we examined the incidence of fatal and non-fatal overdoses following discharge from a narcology hospital and the associations with more advanced HIV infection. DESIGN: Prospective cohort study of data collected at baseline, 3 and 6 months from HIV-infected patients with a history of injection drug use who were not treated with anti-retroviral therapy. Participants were recruited between 2012-2014 from a narcology (addiction) hospital in St...
November 28, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27907136/immune-activation-and-bacterial-translocation-a-link-between-impaired-immune-recovery-and-frequent-visceral-leishmaniasis-relapses-in-hiv-infected-patients
#15
Maria Luciana Silva-Freitas, Glaucia Fernandes Cota, Talia S Machado-de-Assis, Carmem Giacoia-Gripp, Ana Rabello, Alda M Da-Cruz, Joanna R Santos-Oliveira
The maintenance of chronic immune activation due to leishmaniasis or even due to microbial translocation is associated with immunosenescence and may contribute to frequent relapses. Our aim was to investigate whether patients with HIV-associated visceral leishmaniasis (VL/HIV) who experience a single episode of VL have different immunological behaviors in comparison to those who experience frequent relapses. VL/HIV patients were allocated to non-relapsing (NR, n = 6) and relapsing (R, n = 11) groups and were followed from the active phase of VL up to 12 months post-treatment (mpt)...
2016: PloS One
https://www.readbyqxmd.com/read/27907114/rates-and-predictors-of-non-adherence-to-antiretroviral-therapy-among-hiv-positive-individuals-in-kenya-results-from-the-second-kenya-aids-indicator-survey-2012
#16
Irene N Mukui, Lucy Ng'ang'a, John Williamson, Joyce N Wamicwe, Shobha Vakil, Abraham Katana, Andrea A Kim
INTRODUCTION: Understanding the levels and associated factors of non-adherence to antiretroviral therapy (ART) is crucial in designing interventions to improve adherence and health outcomes of ART. We assessed non-adherence to ART among HIV-infected persons reporting ART use in a nationally representative survey in Kenya. METHODS: The Kenya AIDS Indicator Survey 2012 was a population-based, household survey of persons aged 18 months-64 years conducted in 2012-2013...
2016: PloS One
https://www.readbyqxmd.com/read/27907076/clinical-determinants-of-hiv-1b-between-host-evolution-and-their-association-with-drug-resistance-in-pediatric-patients
#17
Israel Pagán, Patricia Rojas, José Tomás Ramos, África Holguín
Understanding the factors that modulate the evolution of virus populations is essential to design efficient control strategies. Mathematical models predict that factors affecting viral within-host evolution may also determine that at the between-host level. Although HIV-1 within-host evolution has been associated with clinical factors used to monitor AIDS progression, such as patient age, CD4 cells count, viral load, and antiretroviral experience, little is known about the role of these clinical factors in determining between-host HIV-1 evolution...
2016: PloS One
https://www.readbyqxmd.com/read/27907009/moderate-levels-of-pre-treatment-hiv-1-antiretroviral-drug-resistance-detected-in-the-first-south-african-national-survey
#18
Kim Steegen, Sergio Carmona, Michelle Bronze, Maria A Papathanasopoulos, Gert van Zyl, Dominique Goedhals, William MacLeod, Ian Sanne, Wendy S Stevens
BACKGROUND: In order to assess the level of transmitted and/or pre-treatment antiretroviral drug resistance to HIV-1, the World Health Organization (WHO) recommends that regular surveys are conducted. This study's objective was to assess the frequency of HIV-1 antiretroviral drug resistance in patients initiating antiretroviral treatment (ART) in the public sector throughout South Africa. METHODS: A prospective cross-sectional survey was conducted using probability proportional to size sampling...
2016: PloS One
https://www.readbyqxmd.com/read/27906986/cost-effectiveness-of-community-based-tb-hiv-screening-and-linkage-to-care-in-rural-south-africa
#19
Jennifer A Gilbert, Sheela V Shenoi, Anthony P Moll, Gerald H Friedland, A David Paltiel, Alison P Galvani
South Africa has one of the highest burdens of TB worldwide, driven by the country's widespread prevalence of HIV, and further complicated by drug resistance. Active case finding within the community, particularly in rural areas where healthcare access is limited, can significantly improve diagnosis and treatment coverage in high-incidence settings. We evaluated the potential health and economic consequences of implementing community-based TB/HIV screening and linkage to care. Using a dynamic model of TB and HIV transmission over a time horizon of 10 years, we compared status quo TB/HIV control to community-based TB/HIV screening at frequencies of once every two years, one year, and six months...
2016: PloS One
https://www.readbyqxmd.com/read/27906980/patterns-of-sexual-behavior-in-lowland-thai-youth-and-ethnic-minorities-attending-high-school-in-rural-chiang-mai-thailand
#20
Linda Aurpibul, Arunrat Tangmunkongvorakul, Patou Masika Musumari, Kriengkrai Srithanaviboonchai, Surapee Tarnkehard
INTRODUCTION: The rural areas of Northern Thailand are home to a large cultural diversity of ethnic minority groups. Previous studies have shown that young people in rural Thailand have low levels of knowledge on HIV/AIDS and high sexual risks. We compared sexual behaviors between the lowland Thai youth and the youth from ethnic minority groups. METHODS AND FINDINGS: This is a cross-sectional quantitative study conducted among high-school Thai and ethnic students in Chiang Mai...
2016: PloS One
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