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AIDS Reviews

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https://www.readbyqxmd.com/read/28534892/minimizing-next-generation-sequencing-errors-for-hiv-drug-resistance-testing
#1
José A Fernández-Caballero, Natalia Chueca, Eva Poveda, Federico García
Next-generation sequencing prototypes for the routine diagnosis of resistance to antiretrovirals approved for the treatment of HIV infection are now being used in many clinical diagnostic laboratories. As some of the next-generation sequencing platforms may be a source of errors, it is necessary to improve the currently available protocols and implement bioinformatic tools that may help to correctly identify the presence of resistance mutations with clinical impact. Several studies have addressed these issues in recent years...
May 23, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534891/treatment-as-prevention-should-hepatitis-c-learn-the-lessons-from-hiv
#2
Jose Vicente Fernandez-Montero, Esther J Aspinall, James E Burns
Long-term experience in the treatment of HIV-infected individuals has shown indirect benefits of early initiation of antiretroviral therapy, particularly in preventing HIV transmission. With the advent of direct-acting antivirals for the treatment of hepatitis C, the strategy of treatment-as-prevention has become feasible. However, economic, clinical, ethical, and public health issues arise from the concept of using therapeutic interventions only as prevention strategies.
May 23, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534890/hypertension-in-hiv-management-and-treatment
#3
Claudio Ucciferri, Katia Falasca, Jacopo Vecchiet
Hypertension is among the leading risk factors for cardiovascular disease and accounts for 6% of adult deaths worldwide. It is estimated that in 2013, hypertension was responsible for at least 45% of deaths due to heart disease and 51% of deaths due to stroke. Accordingly, management of hypertension and its long-term complications in HIV-infected subjects is a significant component of routine care. The choice of an effective anti-hypertensive therapy in HIV-infected patients is important and must be made carefully in order to prevent cardiovascular mortality and morbidity in these patients...
May 23, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534889/hiv-1-infection-in-persons-homozygous-for-ccr5-%C3%AE-32-allele-the-next-case-and-the-review
#4
Joanna Smoleń-Dzirba, Magdalena Rosińska, Janusz Janiec, Marek Beniowski, Mariusz Cycoń, Jolanta Bratosiewicz-Wąsik, Tomasz J Wąsik
CC-chemokine receptor 5 serves as the coreceptor for the HIV-1 R5 strains, which are responsible for the majority of HIV transmissions. A deletion of 32 nucleotides in the gene encoding this receptor (termed CCR5-Δ32) leads to the suppression of CC-chemokine receptor 5 presentation at the cell surface, thus impeding process of HIV entry into the cell. Individuals homozygous for the CCR5-Δ32 allele are resistant to infection with HIV-1 R5 strains, and are extremely rare among HIV-1-infected individuals. We have described a case of person homozygous for CCR5-Δ32, who was infected with subtype B HIV-1...
May 23, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28664943/obituary-hiv-aids-researcher-mark-wainberg-passed-away
#5
Philippe Halfon, Vicente Soriano
No abstract text is available yet for this article.
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28664942/darunavir-stands-up-as-preferred-hiv-protease-inhibitor
#6
Josep Mallolas
Current antiretroviral therapy reaches and maintains viral suppression over the years in more than 90% of treated HIV-infected individuals. Although integrase inhibitors are the preferred third agent in antiretroviral therapy in the current guidelines, rilpivirine, a non-nucleoside reverse transcrip- tase inhibitor, and darunavir (DRV), a second-generation protease inhibitor, are the preferred third companion to be used along with a backbone of two nucleos(t)ide reverse transcriptase inhibitors as first-line triple HIV combination treatment...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534888/hepatitis-a-outbreaks-in-european-homosexual-men
#7
Pablo Barreiro, Vicente Soriano
Hepatitis A virus (HAV) is a small RNA, non-enveloped agent predominantly transmitted via the fecal/oral route through person-to-person contact or contaminated food and water. The mean incubation period is 28 days (range: 15-50). Acute hepatitis A is always self-limited and very rarely fatal. Moreover, it never progresses to chronicity. Acutely infected persons are most likely to transmit HAV before the onset of jaundice, when viral particle concentration in stool is highest.
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534887/when-is-early-antiretroviral-therapy-early-enough-for-hiv-remission
#8
Eva Poveda, Manuelo Crespo
Several strategies to reduce and control the HIV reservoir are being evaluating to achieve the great challenge of HIV remission or functional cure. Some of these are based on immune and gene therapy, or in the use of agents with latency reversing properties. Moreover, acute HIV infection and the impact of early antiretroviral treatment (ART) initiation is another key issue of current research. It has been demonstrated that ART initiation during acute HIV infection minimizes the establishment of the latent HIV reservoir...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534886/a-new-hiv-paradigm-dual-antiretroviral-regimens-as-maintenance-therapy
#9
Vicente Soriano, José M Peña
Since the advent of triple combination antiretroviral therapy in 1996, the prognosis of HIV-infected persons has improved drastically. The clinical benefits of HAART derive from producing sustained viral load suppression and CD4 gains. The major drawbacks of the first HAART regimens were common adverse events and high pill burden, which resulted in difficult drug adherence and led to frequent discontinuations and selection of drug resistance.
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534885/modeling-combination-hcv-prevention-among-hiv-infected-men-who-have-sex-with-men-and-people-who-inject-drugs
#10
Natasha K Martin, Britt Skaathun, Peter Vickerman, David Stuart
People who inject drugs (PWID) and HIV-infected men who have sex with men (MSM) are key risk groups for HCV transmission. Mathematical modeling studies can help elucidate what level and combination of prevention intervention scale-up is required to control or eliminate epidemics among these key populations. We discuss the evidence surrounding HCV prevention interventions and provide an overview of the mathematical modeling literature projecting the impact of scaled-up HCV prevention among PWID and HIV-infected MSM...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182621/primary-hiv-1-drug-resistant-minority-variants
#11
Benjamin Chimukangara, Reshmi Samuel, Kogieleum Naidoo, Tulio de Oliveira
Primary HIV drug resistant mutations are mutations that occur in an HIV-infected individual prior to the initiation of antiretroviral therapy (ART). These mutations may arise by de novo mutagenesis or result from transmission. Drug resistant mutations (DRMs) may reduce the effectiveness of ART leading to inadequate virological outcomes. Currently, Sanger sequencing is the standard method for detection of DRMs to inform treatment decisions, but does not detect minor variant mutations. Drug resistant minority variants (DRMVs) can be detected by next generation sequencing (NGS)...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182620/the-revival-of-an-old-marker-cd4-cd8-ratio
#12
Giuseppe Bruno, Annalisa Saracino, Laura Monno, Gioacchino Angarano
The effectiveness of modern antiretroviral therapies (ART) transformed HIV infection into a chronic disease characterized by a persistent condition of inflammation and immune activation. For this reason, even thought AIDS-related mortality has been reduced with an increased life expectancy, patients living with HIV infection are more likely to develop non-AIDS events despite the achievement of a complete suppression of HIV replication. Hence, the scientific community feels the need to find new biomarkers which would be suitable in clinical practice for identifying patients who require a close monitoring because of an increased risk of developing comorbidities...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182619/contribution-of-common-infections-to-cardiovascular-risk-in-hiv-positive-individuals
#13
Victoria Berquist, Jennifer F Hoy, Janine M Trevillyan
HIV-positive individuals are at increased risk for cardiovascular disease due to complex interactions between the increased incidence of traditional cardiovascular risk factors and HIV and antiretroviral-associated inflammation and dyslipidemia. Increasing evidence suggests that a number of important co-pathogens, including cytomegalovirus, hepatitis C virus, and periodontal disease, are likely to also be contributing. Mechanisms such as molecular mimicry and modification of lipids play a role; however, induction of systemic inflammation is the likely key pathogenic link by which this occurs...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182617/statins-in-hiv-infected-patients-potential-beneficial-effects-and-clinical-use
#14
Enrique Bernal, Irene Marín, Mar Masiá, Félix Gutiérrez
Patients living with HIV have an increased risk of cardiovascular disease that is considered to be the result of an interaction between traditional cardiovascular risk factors, particularly smoking and dyslipidemia, and persistent chronic inflammation and immune activation associated with HIV infection, along with side effects of antiretroviral therapy. In the general population, the administration of statins has been associated with a reduction in cardiovascular disease-associated mortality, and these drugs are among the most common class of medication prescribed in high-income countries...
April 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182622/non-alcoholic-fatty-liver-disease-and-hiv-adis-a-new-way-of-modulation-of-cardiovascular-risk
#15
Mohamed H Ahmed, Nazik Elmalaika Hussian, Akif Malik, Clare Woodward, Dushyant Mital
With the advent and subsequent success of antiretroviral therapy, human immunodeficiency virus (HIV) infection has largely become a chronic condition and is increasingly seen alongside metabolic disorders such as dyslipidaemia and insulin resistance. Furthermore, the administration of antiretroviral therapy (ART) itself is associated with an increase in the incidence of metabolic risk factors (namely insulin resistance, lipoatrophy, dyslipidaemia, and abnormalities of fat distribution in HIV patients). Thus, further challenges in the management of HIV patients include the management of diabetes and the metabolic syndrome, non-alcoholic fatty liver disease (NAFLD)...
February 9, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182618/the-evolving-landscape-of-hiv-drug-resistance-diagnostics-for-expanding-testing-in-resource-limited-settings
#16
Seth C Inzaule, Raph L Hamers, Roger Paredes, Chunfu Yang, Rob Schuurman, Tobias F Rinke de Wit
Global scale-up of antiretroviral treatment (ART) has dramatically changed the prospects of HIV/AIDS disease rendering life-long chronic care and treatment a reality for millions of HIV-infected patients. Affordable technologies to monitor ART are needed to ensure long-term durability of limited available drug regimens. HIV drug resistance tests can complement existing strategies in optimizing clinical decision-making for patients with treatment failure, in addition to facilitating population-based surveillance of HIV drug resistance...
February 9, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182616/transmission-of-multi-drug-resistant-hiv-1-despite-antiretroviral-prophylaxis
#17
Vicente Soriano
In Brazil, a nurse recently became infected with HIV-1 despite beginning antiretroviral therapy within one hour following accidental needle stick injury while puncturing the forearm of an HIV-infected patient with detectable plasma viremia. Thereafter, the patient's virus was found to harbor multiple drug resistance mutations.
January 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182615/mortality-in-hepatitis-c-populations-another-battle-against-drugs-and-alcohol
#18
James E Burns
In the era of efficacious and well-tolerated treatment for chronic hepatitis C virus (HCV) infection, there is an expanding population of individuals who achieve viral eradication. This in turn has generated a need to determine the impact of liver-related morbidity and mortality, particularly liver decompensation and hepatocellular carcinoma, in populations achieving sustained viral response (SVR), and how they correlate with that of the general population.
January 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182614/similar-immunological-profiles-between-nonprogressing-hiv-infection-in-children-and-nonpathogenic-siv-infection
#19
Eva Poveda, Enrique Martin-Gayo
In the absence of antirretroviral therapy (ART), HIV infection leads to progression to AIDS in most infected individuals. However, there is a small group of HIV-infected patients capable of spontaneously controlling HIV infection, known as the elite controllers (less than 1% of total infected population). These patients maintain undetectable levels of HIV replication, in part, due to a continuously effective HIV specific T cell response. Moreover, in HIV-infected patients with suppressed viremia under ART, a chronic activation of the immune system persist, which can be related to a poor clinical outcome including death, development of co-morbidities, AIDS and non-AIDS defining events...
January 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28182613/news-on-viral-hepatitis-in-hiv-update-from-the-2016-gehep-conference
#20
REVIEW
Eva Poveda, Massimo Puoti, Miguel García-Deltoro, Juan A Pineda, Francisco Téllez, Rafael Granados, Luis Morano, Federico García
The II Conference of the Group for the Study of Viral Hepatitis (GEHEP) (29 September-1 October, Spain) updated epidemiological, diagnostic and treatment aspects on viral hepatitis. The conference was mostly focused on the latest news related to HCV infection, including the successes achieved since the implementation of direct-acting antiviral agents for HCV therapy, but also in the new, future challenges for a real HCV eradication. The scenario for chronic HCV infection has dramatically changed in the last two years and most patients have been cured after 12 weeks of therapy with minimal side effects...
January 2017: AIDS Reviews
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