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Current Opinion in HIV and AIDS

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https://www.readbyqxmd.com/read/29135490/the-microbiome-and-hiv-persistence-implications-for-viral-remission-and-cure
#1
Wei Li A Koay, Lilly V Siems, Deborah Persaud
PURPOSE OF REVIEW: This article discusses the interaction between HIV infection, the gut microbiome, inflammation and immune activation, and HIV reservoirs, along with interventions to target the microbiome and their implications for HIV remission and cure. RECENT FINDINGS: Most studies show that HIV-infected adults have a gut microbiome associated with decreased bacterial richness and diversity, and associated systemic inflammation and immune activation. A unique set of individuals, elite controllers, who spontaneously control HIV replication, have a similar microbiome to HIV-uninfected individuals...
November 10, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29045253/gut-microbial-diversity-in-hiv-infection-post-combined-antiretroviral-therapy-a-key-target-for-prevention-of-cardiovascular-disease
#2
Mohamed El-Far, Cécile L Tremblay
PURPOSE OF REVIEW: Although the HIV-infected population is living longer and getting older under current treatment regimens, significant challenges arise for health management as the infection is associated with various premature aging phenotypes, particularly increased incidence of cardiovascular diseases (CVDs). Here we review the current understanding of HIV-related gut dysbiosis in association with CVD and advances in clinical trials aiming to restore gut microbial diversity. RECENT FINDING: Identification of a unique signature for gut dysbiosis in HIV infection between different cohorts remains challenging...
October 25, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29059077/the-microbiome-and-hiv-prevention-strategies-in-women
#3
Salim S Abdool Karim, Jo-Ann S Passmore, Cheryl Baxter
PURPOSE OF REVIEW: HIV prevention approaches that women can use and control are a priority. Results from topical and oral preexposure prophylaxis (PrEP) HIV prevention trials have produced inconsistent results in women. One of the main behavioural factors impacting effectiveness of PrEP has been suboptimal adherence. In this review, we examine biological factors that modulate topical PrEP efficacy, with particular focus on the vaginal microbiome. RECENT FINDINGS: Genital inflammation is an independent risk factor for HIV acquisition in women...
October 20, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29049037/fractures-and-the-gut-microbiome
#4
Tara McGinty, Paddy W G Mallon
PURPOSE OF REVIEW: The role of the gut microbiome in the pathogenesis of several inflammatory, non-AIDS comorbidities, such as cardiovascular disease, cognitive impairment and liver disease has become a focus of recent research. Low bone mineral density (BMD) and increased fracture incidence in people living with HIV (PLWH) is also widely reported, however, the relationship between alterations in the gut microbiome and bone disease in PLWH has not been previously reviewed. RECENT FINDINGS: Murine models that manipulate the gut microbiome, either through breeding of 'germ-free' mice or antibiotic-depleted gut microbiome, show differences in bone mineral density and bone mass in those with altered gut microbiome...
October 18, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29045252/altered-gut-microbiome-composition-in-hiv-infection-causes-effects-and-potential-intervention
#5
Alessandra Bandera, Ilaria De Benedetto, Giorgio Bozzi, Andrea Gori
PURPOSE OF REVIEW: Aim of this review is to summarize the alterations occurring in gut microbiome composition after HIV infection, and to underline how intestinal dysbiosis can affect immune homeostasis, immune recovery, and persisting immune activation under antiretroviral therapy (ART). Many interventions have been suggested, mostly with inconclusive results. RECENT FINDINGS: Recent evidence showed that gut microbiota from HIV-infected patients harbor reproducible differences compared to uninfected individuals...
October 17, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29035948/hiv-and-aging-role-of-the-microbiome
#6
Seema N Desai, Alan L Landay
PURPOSE OF REVIEW: The purpose of this article is to review age-associated alterations in microbiota composition, diversity and functional features in context of immune senescence, chronic inflammation and comorbidities associated with HIV infection. The overall goal is to assess whether modulating the microbiome will likely improve resilience of the immune system and augment return to health. RECENT FINDINGS: Alteration in the gut microbiota composition diversity and function occur in HIV and aging...
October 14, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29035947/cross-reactivity-of-hiv-vaccine-responses-and-the-microbiome
#7
Wilton B Williams, Qifeng Han, Barton F Haynes
PURPOSE OF REVIEW: A successful HIV-type 1 (HIV-1) vaccine will require immunogens that induce protective immune responses. However, recent studies suggest that the response to HIV-1 and perhaps other viruses may be altered by immune system exposure to intestinal microbiota-antigens. This review will discuss select aspects of these studies. RECENT FINDINGS: Naïve CD4 T and B cell repertoires can be imprinted by intestinal microbiota-antigens to respond to virus epitopes prior to virus infection...
October 14, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29035946/role-of-the-lung-microbiome-in-hiv-pathogenesis
#8
Meera K Shenoy, Susan V Lynch
PURPOSE OF REVIEW: The purpose of this review is to summarize recent findings on the lung microbiome in HIV-infected patients and associated pulmonary diseases, and the relationship of airway microbial communities to metabolic and immune signatures within this patient population. RECENT FINDINGS: The lung microbiome in HIV infection is a relatively new and rapidly developing field; early studies in the field produced inconclusive evidence as to whether HIV-infection changes the lower airway microbiome...
October 14, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29035945/the-functional-consequences-of-the-microbiome-in-hiv-insights-from-metabolomic-studies
#9
Sergio Serrano-Villar, Santiago Moreno, Manuel Ferrer
PURPOSE OF REVIEW: It is critical to gain insight into the metabolic pathways by which the microbiota might influence HIV immunopathogenesis to exploit host-microbiota interactions. The aim of this review is to sketch a very broad picture of recent advances in our knowledge of how HIV might affect the microbiota, with a focus on specific gene products, particularly, metabolites produced by the microbiota that may affect HIV immunopathogenesis. RECENT FINDINGS: First, we describe the different approaches used to explore imbalances in effector microbial products during HIV infection...
October 14, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29028668/the-mycobiome-in-hiv
#10
Christopher L Hager, Mahmoud A Ghannoum
PURPOSE OF REVIEW: There are a limited number of studies investigating the association between the microbiome and HIV. Although the majority of these published investigations have focused on the role of the bacterial community (bacteriome) in this setting, a handful of studies have also characterized the role of the mycobiome in HIV-infected individuals. This review will summarize the most recent reports pertaining to the role of the fungal community in HIV. RECENT FINDINGS: Differences in the composition of the oral and respiratory mycobiome in HIV-infected individuals compared with uninfected individuals have been reported...
October 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29028667/impact-of-antiretroviral-drugs-on-the-microbiome-unknown-answers-to-important-questions
#11
Sandra Pinto-Cardoso, Nichole R Klatt, Gustavo Reyes-Terán
PURPOSE OF REVIEW: Little is known on how different antiretroviral (ARV) drugs affect the gut microbiome in HIV infection; and conflicting data exists on the effect of ARV drugs on residual inflammation/immune activation and microbial translocation. RECENT FINDINGS: Gut microbiome involvement in the transmission and pathogenesis of HIV infection is increasingly being recognized. Various studies have shown that antiretroviral therapy (ART) is unable to restore gut health despite effective suppression of plasma HIV viremia...
October 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29028666/microbial-translocation-translating-simian-immunodeficiency-virus-to-hiv
#12
Alexandra M Ortiz, Jason M Brenchley
PURPOSE OF REVIEW: The article describes recent advances in understanding the causes and consequences of microbial translocation in HIV and simian immunodeficiency virus infections. RECENT FINDINGS: Persistent microbial translocation contributes to aberrant immune activation in immunodeficiency lentiviral infections and thereby, pathogenesis and mortality. Efforts to delineate the circumstances surrounding translocation have benefited from use of simian immunodeficiency virus-infected nonhuman primates and highlight the overwhelming immunologic diversion caused by translocating microbes...
October 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28984703/pathophysiology-of-ischaemic-heart-disease
#13
Mamatha O Pocock, Lucy Dorrell, Paola Cicconi
PURPOSE OF REVIEW: To summarize recent findings in the pathogenesis of ischemic heart disease (IHD) in people living with HIV (PLWH). RECENT FINDINGS: PLWH have an elevated risk of IHD. Although incidence is declining, this condition still represents a major cause of non-AIDS-related mortality. The cause is likely multifactorial: traditional risk factors play an important role and IHD risk might be reduced with greater emphasis on primary prevention. The contribution of specific antiretroviral agents to IHD risk is changing as antiretroviral coverage increases globally and as safer agents have replaced drugs with well-described metabolic toxicities...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28984702/current-assessment-of-heart-rate-variability-and-qtc-interval-length-in-hiv-aids
#14
Roger C McIntosh, Judith D Lobo, Barry E Hurwitz
PURPOSE OF REVIEW: The increasing prevalence of cardiovascular disease comorbidity in persons infected with the HIV has become a global concern. The electrocardiogram (ECG) is increasingly being utilized to provide clinically relevant information regarding cardiac arrhythmias and cardio-autonomic dysfunction. The purpose of this review is to summarize the latest research comparing QT and R-to-R interval length as a function of HIV+ status or antiretroviral therapy (ART) regimen. RECENT FINDINGS: Prolongation of the corrected QTc interval may be acquired in HIV+ ART-naive individuals, exacerbated by various classes of ART drugs, and is generally predictive of lethal cardiac arrhythmias, with effects observed from childhood to adulthood...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28984701/hiv-related-cardiovascular-disease-closing-the-gap-in-mortality
#15
Cameron J Holloway, Franck Boccara
: This series of review articles outlines the complex cause of HIV-related cardiovascular diseases (CVDs) particularly the interactions of viral factors, complications of antiviral therapy such as metabolic derangement, and chronic systemic inflammation. These factors, directly stemming from chronic HIV infection, are important in the pathogenesis of HIV-related CVD. Addressing each issue has likely underpinned the improved morbidity and increased life expectancy enjoyed by patients in the modern era of HIV management...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28902721/hiv-associated-pulmonary-hypertension
#16
Harish Jarrett, Christopher Barnett
PURPOSE OF REVIEW: HIV-associated pulmonary arterial hypertension (HIV-PAH) is a well-recognized severe cardiovascular complication of HIV infection that confers an adverse prognosis irrespective of the stage of disease. This review will summarize the available data on HIV-PAH epidemiology and provide insights into the pathophysiology and therapeutic strategies currently available. RECENT FINDINGS: Patients with HIV are several thousand times more likely to develop HIV-PAH compared to the incidence of idiopathic PAH...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28863015/heart-failure-in-persons-living-with-hiv-infection
#17
Priscilla Y Hsue, David D Waters
PURPOSE OF REVIEW: To discuss presentation, pathophysiology, complications, and treatment of heart failure in persons living with HIV (PLWHIV) in the antiretroviral therapy (ART) era. RECENT FINDINGS: Since the advent of effective ART and improved longevity, heart failure has become more chronic and insidious and is often characterized by preserved ejection fraction, diastolic dysfunction, and left ventricular (LV) hypertrophy. The mechanism underlying heart failure in the setting of HIV infection remains unknown...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28832366/hiv-and-myocarditis
#18
Ntobeko A B Ntusi
PURPOSE OF REVIEW: The purpose of this article is to review the literature on HIV and myocarditis and HIV-associated heart failure. RECENT FINDINGS: Currently, 17 million people are receiving antiretroviral therapy (ART) globally. There is a decrease in mortality from HIV in the last decade with increased survival in those receiving ART. HIV-associated cardiac failure is on the increase, with more cases of diastolic dysfunction reported in the ART era. The pathophysiology of HIV-associated myocarditis is multifactorial...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28799998/use-of-direct-oral-anticoagulants-for-treatment-of-atrial-fibrillation-in-patients-with-hiv-a-review
#19
Timothy A West, Jacinta Perram, Cameron J Holloway
PURPOSE OF REVIEW: Atrial fibrillation is increasingly common in the ageing population. Patients with atrial fibrillation and HIV have a higher stroke risk, with guidelines recommending anticoagulation in the majority. Whilst anticoagulation options have diversified in the last decade for the general population, there is limited evidence for the safety and efficacy of these medications when used concurrently with antiretroviral therapy. We review the potential for patients with HIV on antiretroviral therapy to have direct-acting oral anticoagulations (DOACs)...
November 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28799997/epidemiology-of-ischemic-heart-disease-in-hiv
#20
Virginia A Triant, Steven K Grinspoon
PURPOSE OF REVIEW: The purpose of this review is to summarize and synthesize recent data on the risk of ischemic heart disease (IHD) in HIV-infected individuals. RECENT FINDINGS: Recent studies in the field demonstrate an increasing impact of cardiovascular disease (CVD) on morbidity and mortality in HIV relative to AIDS-related diagnoses. Studies continue to support an approximately 1.5 to two-fold increased risk of IHD conferred by HIV, with specific risk varying by sex and virologic/immunologic status...
November 2017: Current Opinion in HIV and AIDS
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