Articles tagged with Human Immunodeficiency Virus
Scientists at the University of Missouri are working on a $3.4 million NIH project to create next-generation antiviral therapies by targeting the elusive HIV enzyme RNase H. The goal is to be ready for evolving resistant strains before they emerge, offering new treatment options.
A team of researchers at Johns Hopkins has identified a system that makes certain immune cells impervious to HIV infection. The discovery suggests a new approach to eradicating the virus from the body by targeting non-dividing cells.
Researchers found selective D-dimer testing safe and efficient in reducing diagnostic testing for suspected deep vein thrombosis. A three-pill generic-based regimen for HIV treatment could save up to $1 billion annually while being slightly less effective than the current one-pill regimen. State medical boards generally agree on invest...
A new study found that doctors who are culturally aware provide better quality of care to HIV patients from ethnic minorities. These patients tend to manage their treatment and condition better and have improved health outcomes. Increasing healthcare provider cultural competence can reduce racial disparities in both the quality of care...
A Danish study published in Clinical Infectious Diseases found that HIV patients who smoke lose more years of life to smoking than to HIV infection. Researchers estimated the effect of smoking on mortality and life expectancy among nearly 3,000 HIV-infected patients treated in Denmark from 1995 to 2010.
Scientists tracked the origins of HIV and discovered potential genetic resistance in West African human populations. The study found overlaps between selection signatures and protective genes against HIV-1, which may have evolved to counteract the virus.
Researchers from IrsiCaixa have identified a molecule on the surface of dendritic cells that recognizes and binds HIV gangliosides, allowing the virus to be taken up by these cells and transmitted to CD4 T lymphocytes. This discovery could lead to the development of new treatments against AIDS.
A new study by Tony Antoniou found that HIV hospitalizations in Ontario declined significantly since the introduction of combination antiretroviral drug therapy in 1996-97. However, women with HIV and low-income individuals continue to face higher rates of hospitalization compared to men and high-income patients.
Non-communicable diseases, such as cancer and heart disease, accounted for nearly two-thirds of all deaths globally in 2010. Ischaemic heart disease and stroke were responsible for one in four deaths, a significant increase from the previous decade.
Research finds that HIV-infected children have a 2.5-fold increased risk of early atherosclerosis damage, leading to cardiovascular disease. Experts recommend aggressive treatment of high cholesterol and promotion of healthy lifestyles to prevent complications.
Scientists at IMIM and UPF have simulated the release of HIV protease, a protein responsible for the virus's maturation process. This breakthrough could lead to the design of new antiretroviral therapies by understanding how free protease appears during the maturation process.
A new study published in AIDS Journal found that HIV subtype distribution is strongly influenced by spatial accessibility and transportation networks in Africa. The research used advanced mapping techniques to assess the role of 'spatial connectivity' in the spread of HIV across sub-Saharan Africa.
Routine use of upper endoscopy for most GERD patients does not improve patient health and may lead to unnecessary interventions. Computer alerts in HIV care improve patient outcomes by notifying providers of adverse events or missed appointments, leading to better follow-up practices.
A study found that antiretroviral therapy (ART) for the HIV-positive partner in a serodiscordant couple significantly reduces HIV transmission rates, with a 26% relative reduction. However, the protective effect of ART seemed to only last for one year.
Researchers at the University of Washington have developed a versatile platform to offer contraception and prevent HIV using electrically spun cloth with nanometer-sized fibers. The fabric can dissolve to release drugs, providing immediate or sustained protection against unwanted pregnancy and sexually transmitted diseases.
Researchers discover that JQ1 can reactivate latent HIV by activating the virus in the presence of potent therapy, making it vulnerable to current treatments. The study also found potent suppression of inflammatory genes, suggesting its potential effectiveness against other inflammatory conditions.
Routine HIV testing can significantly reduce AIDS-related morbidity and death, as well as HIV transmission. Implementing this strategy would provide a roadmap for an AIDS-free generation.
A new study at the University of Cincinnati uses computer-based simulation modeling to estimate the operational disruption and lost opportunity costs of introducing HIV testing into emergency departments. The research aims to provide valuable guidance for hospitals and policymakers on implementing HIV screening programs.
Two new clinical practice guidelines from six organizations address testing for patients with stable ischemic heart disease (IHD), recommending thorough history and physical examination prior to additional testing. A separate study found that adding testosterone to sildenafil therapy does not improve erectile function in men with low t...
A new study published in Hepatology found that African American women co-infected with HIV and HCV have lower liver-related mortality rates compared to Caucasian and Hispanic women. This finding suggests that racial disparities in liver disease may be influenced by other factors beyond just the presence of the virus.
A new approach to HIV vaccine development is underway, aiming to induce protective antibodies without increasing HIV-specific T helper cells. The project, funded by the Bill & Melinda Gates Foundation, seeks to build on earlier studies showing that certain antibodies can protect against HIV infection.
A new HIV test developed at Northwestern University is being tested in Mozambique to deliver a diagnosis in under an hour. The test has a 95% accuracy rate and could significantly improve the rates of infected infants being diagnosed and treated, potentially saving thousands of lives.
A new study published in PLOS Medicine found that provider-initiated HIV testing does not negatively impact clients' consent practices, confidentiality, and referral to care. The research suggests that various modes of access can be scaled up without compromising individuals' rights.
A study published in The Journal of Cell Biology identifies a motor protein that helps HIV replicate in macrophages. KIF3A drives the virus along microtubules, facilitating its release from these cells. Inhibiting KIF3A may provide a new strategy for combating HIV.
Research at IDWeek 2012 reveals high rates of HIV medication errors in hospitalized patients, but studies suggest that combining electronic records with clinical education can significantly decrease errors. Hospitals are implementing quality improvement measures to address the issue.
Grandmothers Against Poverty and AIDS (GAPA) empowers grandmothers caring for HIV/AIDS-affected families with peer support, income-generating activities. Studies show GAPA members experience higher self-esteem and reduced poverty, stigma in their community.
A new study by Harvard School of Public Health researchers found that high-dose micronutrient supplementation has no effect on HIV disease progression in patients receiving highly active antiretroviral therapy. The study also showed that high doses of multivitamins increased the risk of liver problems and other serious conditions.
Renowned immunologist Dan R. Littman, MD, PhD, has been elected a member of the Institute of Medicine for his seminal contributions to immune recognition, HIV pathogenesis, and commensal bacteria in immune system development. His work has major impact in both immunology and virology.
A mathematical model suggests PrEP can be a cost-effective addition to existing HIV prevention strategies for MSM populations in Lima, Peru. However, significant funding would be required to generate substantial reductions in HIV incidence.
The University of Michigan has been awarded a $21 million grant from the National Institutes of Health to establish the Center for HIV RNA Studies, which aims to better understand the HIV virus on a molecular level. Researchers hope that this breakthrough could lead to innovative treatment approaches for AIDS and other diseases.
A study published in the American Journal of Preventive Medicine found that Facebook-based STI prevention messages encouraged condom use among young adults, with 68% reporting condom use two months after the intervention. The effects decreased over time but remained significant compared to traditional HIV prevention programs.
A recent study found that overall HIV death rates declined between 1993 and 2007 for most men and women by race/ethnicity and educational levels. However, disparities in mortality rates persisted among non-Hispanic black individuals, particularly those with lower education levels.
A new over-the-counter HIV test, OraQuick, is unlikely to significantly impact the fight against HIV due to its high cost and limited accessibility. Physicians recommend counseling patients about the use and limitations of home testing to make informed decisions.
A team of scientists will enroll 250 people living with HIV/AIDS in a clinical study to compare an intervention with a Holistic Health Recovery Program adapted for Alcohol Use Disorders, aiming to enhance patients' awareness and modify behaviors that promote HIV disease progression.
A study published in JNCI Journal of the National Cancer Institute found that HIV protease inhibitor Nelfinavir inhibits the growth of HER2-positive tumors in mice. The treatment uses a dosage regimen similar to that used for HIV patients, suggesting potential as an anticancer agent.
A study published in the Journal of the National Cancer Institute found a significant association between HIV infection and an increase in anal cancer risk among US males. The research suggests that measures to prevent anal cancer in HIV-infected males could reduce overall rates at the population level.
Researchers are investigating the mechanisms of atherosclerosis in HIV-infected patients, exploring whether HIV infection itself is a significant risk factor for cardiovascular disease. A study using transgenic mice could provide insight into how HIV causes lower levels of high-density lipoprotein (HDL) and potentially lead to new trea...
A 15-year analysis shows that state-of-the-art HIV care improves health outcomes across all patient groups, including those most affected by the disease. Comprehensive care models with multiple levels of support lead to better clinical outcomes.
Researchers at George Mason University have made a significant breakthrough in understanding how the HIV virus targets 'veteran' memory T-cells. By exploiting the cell's treadmilling process, the virus can infect and kill these cells, leaving the body vulnerable to disease.
Researchers discovered that a protein called SAMHD1 protects resting T helper cells from HIV replication by degrading genetic information. The study provides new insights into the immunodeficiency syndrome AIDS and could lead to new treatments for HIV.
Same-sex contact and inconsistent condom use were major risk factors for HIV infection among US Navy and Marines personnel. The study highlights opportunities for targeted prevention efforts, particularly promoting condom use after the 'Don't Ask, Don't Tell' repeal.
Research reveals that preferentially transmitted HIV strains in heterosexuals are often similar to the strain initially infecting the partner, indicating an evolutionary advantage. This finding may help advance HIV prevention efforts and develop an effective vaccine.
The Scripps Research Institute has received a $20 million grant to research HIV drug resistance and develop new anti-HIV treatments. The HIVE Center will investigate the structure and function of HIV, including how it responds to drugs used in AIDS therapy.
Researchers discovered a HIV mutation that makes certain strains more susceptible to treatment. This knowledge will help doctors improve drug regimens for HIV-infected individuals by targeting the 172K polymorphism.
Jon Cohen, a contributing correspondent for Science magazine, has won the Victor Cohn Prize for his exceptional coverage of biomedical topics and chronicling of the global HIV/AIDS epidemic. He will receive the prize at an awards ceremony on October 27 in Raleigh, North Carolina.
Scientists at Gladstone Institutes have developed a method to precisely track the life cycle of individual cells infected with HIV, targeting 'HIV latency'. This breakthrough could help advance the discovery of a cure for AIDS by understanding and interrupting the dormant virus.
A new study shows that integrating on-site rapid HIV testing into drug treatment programs is cost-effective, with a beneficial cost-effectiveness ratio of $60,300 per QALY. This approach provides better value than off-site referral and can help identify more people infected with HIV.
A vaginal ring releasing an anti-HIV drug has been shown to prevent the transmission of SHIV in macaques, providing strong potential for its success in women. The study found that the rings provided highly significant protection when inserted 2 weeks or 24 hours before virus exposure.
Between 2000-2008, the proportion of HIV-infected patients in the US receiving effective treatment increased from 54% to 83%, leading to reduced infectiousness and healthier immune systems. This trend was observed across all age groups, regardless of treatment adherence.
The National Institute of Allergy and Infectious Diseases has awarded 14 grants totaling $7.8 million to focus on basic research for designing a safe and effective HIV vaccine. Recent discoveries about HIV biology are guiding the development of new vaccine strategies.
A recent study published in the journal AIDS and Behavior found that HIV home testing kits are a cost-effective and acceptable tool for preventing HIV transmission among men who have sex with men. The kits were found to be particularly effective in encouraging individuals to disclose their HIV status, leading to reduced risk of transmi...
Researchers discovered that catechins, found in green tea and cocoa, can protect neurons from damage and increase brain-derived neurotrophic factor (BDNF) levels. This could lead to new hope for patients with HIV-associated cognitive impairment.
A new study published in The Lancet shows that nurse-centred care of HIV patients can be just as safe and effective as care delivered by doctors. The research found significant improvements in detection of tuberculosis, white blood cell count, weight, and treatment adherence.
African American couples affected by HIV will benefit from a new intervention program, Eban, which aims to reduce HIV transmission and promote healthier living. The program's effectiveness was previously tested in a four-city study with 535 serodiscordant couples.
A recent study published in The Lancet found that black gay men are 15 times more likely to have HIV than their counterparts. Social inequalities play a major role, with stigma, poverty, and inadequate healthcare access contributing to the disparities.
Researchers discovered HIV exploits immune system by using infected T cells to travel and infect other CD4 T cells. The study used a humanized mouse model and found that infected cells carry virus to remote locations, supporting the development of new treatment strategies.
Researchers from UNC Chapel Hill found that adults with mild HIV infections can work longer hours per week and have their children enroll in school at higher rates. The study suggests that early treatment could lead to greater earning potential for those affected by HIV.
A study in Swaziland found the national rate of new HIV infections to be 2.38%, comparable to the 2009 estimate of 2.66%. The country's high HIV prevalence may have begun to level off, with prevention and treatment programs taking effect.
A computer program calibrated to model accurately HIV spread in NYC predicts significant reduction in infection rate with comprehensive intervention strategies. The model simulates individual behavior and transmission networks, providing detailed examination of how interventions affect the epidemic.
A new study found that many heterosexual men with HIV in Canada feel existing programs and services don't meet their needs, due to stigma and lack of support. The study emphasizes the need for more inclusive health care and service initiatives specifically tailored to these men's unique experiences.