Articles tagged with Hiv Infections
Researchers discovered that HIV chooses its viral RNA genome based on a two-nucleotide difference, which could be targeted by new drugs. This finding has implications for future HIV treatments and is an important scientific step towards understanding the virus's replication process.
A new study links the composition of gut microbiome before infection to HIV susceptibility and progression. Men who contracted HIV in the early days of the pandemic had a greater relative abundance of pro-inflammatory vs. anti-inflammatory gut microbes, which contributed to their increased risk of developing AIDS.
A Rutgers-led study found that racial biases among health care providers may limit the number of Black women taking a daily pill to prevent HIV infection. The study also highlights how providers' racist beliefs can disadvantage Black women's access to PrEP, a medication up to 92% effective when taken correctly.
A recent study found that 19.9% of trans feminine individuals and 2.56% of trans masculine individuals were HIV positive, highlighting the need for targeted prevention efforts. The researchers called for increased focus on this population's unique needs.
The US HIV treatment population is projected to increase by 36% by 2030, with older adults making up nearly a quarter of users. The population is expected to shift towards more older age groups, with nearly one in four people with HIV aged 65 or older by 2030.
Researchers found that 1.5 million people living with HIV in sub-Saharan Africa face a one-hour drive to the nearest health facility, with many more struggling due to limited resources. Expanding healthcare access is crucial for reducing HIV incidence and addressing COVID-19.
A systematic literature review found HIV seroprevalence in five key populations: men who have sex with men (MSM), people who inject drugs (PWID), prisoners, sex workers, and transgender people. The review identified significant gaps in data, particularly for transgender individuals.
Early antiretroviral therapy reduces skin and mucosal cancers in HIV patients by preserving tissue-resident memory T cells. Prompt treatment also improves the immune response, reducing the risk of HPV-associated cancers.
Researchers will investigate brain circuitry, neurochemicals and immune system interactions to understand why people living with HIV are more vulnerable to depression. They aim to identify specific biomarkers of depression and develop better treatments.
Researchers have identified a second person living with HIV who appears to have rid themselves of the virus, with no intact HIV genomes found in over 1.19 billion blood cells and 500 million tissue cells sequenced. This finding may represent a sterilizing cure for people with HIV who cannot achieve this on their own.
A retrospective cohort analysis found that an algorithm-based automated text messaging system saved lives and reduced mortality rates by 68% among patients with COVID-19. The system, called COVID Watch, used text messages to monitor symptoms and escalate patients to healthcare providers for further care.
Researchers at The Wistar Institute identified a glyco-immune checkpoint interaction that allows HIV-infected cells to evade immune surveillance. They developed a novel approach to selectively target these interactions, enabling killer cells to attack and kill infected cells in a selective manner.
Researchers at University of California San Diego School of Medicine identified the anterior insula's role in predicting and emotionally processing pain in HIV-DSP patients. The study suggests that reduced anterior insula activity or increased cingulate activity may improve pain outcomes for these patients.
Researchers identified three new human genes influencing HIV acquisition and progression in sub-Saharan Africa. The study provides valuable insights into genetic variants associated with HIV-1C infection and AIDS progression, potentially paving the way for new therapies.
New research from the University of Georgia reveals that crisis pregnancy centers offering STI and HIV services are not meeting quality care standards. Many CPCs fail to offer comprehensive testing, treatment, or referrals, despite advertising as medical facilities.
A new study found that infants with high levels of antibody-dependent cellular cytotoxicity (ADCC) against their mother's strain of HIV are less likely to get infected through breastfeeding. The study also showed that ADCC is more effective than neutralizing antibodies in protecting infants against HIV transmission and improving outcomes.
A cross-sectional study found that recent commencement of ART, late HIV stage, and alcohol use are associated with high-risk sexual behavior among HIV patients. The study suggests prioritizing intervention strategies for these individuals to mitigate risky behaviors in HIV-endemic environments.
A team of scientists from the University of Pittsburgh and National Cancer Institute discovered why HIV is rarely the direct cause of cancer. The research found that it requires a specific series of events involving changes in HIV and additional mutations in human genes, resulting in T cell lymphomas. However, the occurrence is rare, a...
Researchers have discovered a genetic mutation called retroCHMP3 that can block the replication of certain viruses like HIV and Ebola by disrupting their ability to exit an infected cell. This finding has the potential to lead to the development of new medical interventions against these deadly diseases.
Researchers estimate that by 2025, fewer than one in 20 people living with HIV in England will be unaware of their status. The study suggests that combination prevention strategies, including HIV testing and early treatment, are working effectively in reducing undiagnosed HIV cases. However, gaps persist, particularly among heterosexua...
Researchers discovered that new mutations in the BRAF gene can lead to gliomas growing back after treatment, suggesting personalized approaches to therapy. The study also explored potential impacts of COVID-19 vaccines on menstruation.
Researchers used exosomes to deliver a novel anti-HIV protein into infected mouse cells, silencing HIV replication and reducing its presence in the bone marrow, spleen, and brain. The treatment shows promise for future delivery methods for HIV and other brain diseases.
Scientists at City of Hope and Griffith University developed a novel anti-HIV protein called ZPAMt that can suppress HIV levels in the bone marrow, spleen, and brain of mice. The protein is delivered using exosomes, nanosized parts of cells that can reach difficult-to-access areas of the body.
Researchers found that a family of proteins enhances the immune response to HIV, Ebola and Zika by boosting signals sent within immune cells. This discovery has implications for potential broad antiviral therapy.
A recent study published in the Journal of the American Heart Association found that people living with HIV are at a higher risk of sudden cardiac death compared to those without the virus. The study analyzed data from over 144,000 veterans and found that 26% of those who died from sudden cardiac death had HIV.
A UNSW psychology researcher recommends a set of neurocognitive and mental health questionnaires to harmonize the assessment of long COVID patients. These tests can be used internationally and in various cultural settings to address key questions about the problem, including brain fog and dementia risks.
A Kaiser Permanente study found strong adherence to HIV-prevention drug therapy soon after prescription, but inconsistent use among vulnerable groups. The study suggests that targeted strategies are needed to support the effective use of PrEP in high-risk populations.
Researchers at Temple University's Lewis Katz School of Medicine have been awarded a prestigious grant from the National Institutes of Health to develop novel treatments for individuals living with HIV using CRISPR technology. The $4.8M grant will fund four major research laboratories working towards eliminating HIV DNA from infected c...
A new TB prevention regimen for HIV-positive individuals has shown promising results, with 90.4% completing the three-month course compared to 50.5% of those on a six-month daily treatment. The study suggests that this shorter approach is as safe and effective as the standard treatment.
A randomized trial found that a shorter course of rifapentine-isoniazid therapy resulted in significantly higher treatment completion rates compared to a longer daily course. The findings suggest that this regimens can be more effective for preventing tuberculosis disease in individuals with HIV, particularly in high-transmission areas.
A new strategy for curing HIV targets latent viruses by blocking and excising the virus, offering hope for patients to be taken off daily treatments. The HOPE Collaboratory's approach uses genome editing technology to destroy latent HIV.
A new epidemiology study reveals crucial trends in HIV/AIDS progression in China from 1990 to 2017. The study highlights the need for effective strategies to reduce mortality rates, especially among men, by intensifying targeted efforts including early identification and diagnosis, high-quality treatment services, and patient retention.
A new study found that states with low initial use of HIV-prevention drugs continue to fall behind in usage among people at risk for the disease. Researchers urge federal and state governments to close gaps by implementing successful policies from early-adopting states, such as telehealth programs and expanding Medicaid.
Immunocompromised individuals are at risk for prolonged viral shedding and the emergence of novel variants of concern. Healthcare providers must develop precise guidelines for monitoring and treating these patients.
Infection prevention organizations recommend COVID-19 vaccination as a condition of employment for healthcare personnel. The vaccines have been shown to be safe and effective in preventing infection and reducing transmission, with benefits including protecting patients, healthcare personnel, and communities.
A study reveals that highly mutated SARS-CoV-2 can emerge in people living with advanced HIV if they cannot clear the virus through effective antiretroviral therapy. This increases the risk of severe disease and potentially more potent variants.
A global systematic review and meta-analysis found that nearly 8% of men who have sex with men (MSM) are infected with syphilis worldwide, significantly higher than the general population. The study highlights the urgent need to address this high-risk group's unique challenges in accessing healthcare services.
An 83-year-old man was diagnosed with HIV after experiencing fever and weight loss. He was treated with antiretroviral therapy and achieved an undetectable viral load. The case highlights the importance of targeting older adults for HIV testing, as they are often diagnosed late and at higher risk of death.
Dr. Linda Chang's award-winning project aims to eradicate all traces of HIV from the body and treat co-existing substance use disorders using a multi-disciplinary approach. The team will utilize gene-editing technology, CRISPR, and an MRI-guided focused ultrasound system to target hidden reservoirs of virus in the brain's immune cells.
African countries can better interpret complex data with a new data-driven framework, tracking and predicting country-level case incidence. The framework considers factors like testing capacity, social policy, landlocked status, temperature, and humidity.
A researcher at Albert Einstein College of Medicine has received an NIH director's award to use genetic epidemiology tools to prevent HIV infection among people who inject drugs. The study aims to identify key players in hepatitis C transmission networks, which can also help curb the spread of HIV.
Researchers have discovered a type of stem cell that can restore the immune system's antiviral response and repair damaged gut lymphoid follicles. The treatment offers a multi-pronged approach to eradicating HIV, complementing current treatments.
A survey study found COVID-19 associated with significant economic security reductions among women at high risk of HIV infection in rural Kenya. Altered sexual behavior may have temporarily decreased their HIV risk.
A new study by UC San Francisco finds that individuals with HIV are more than twice as likely to die from sudden cardiac death due to fibrosis in the heart. The study also reveals that one-third of sudden deaths initially attributed to cardiac causes were actually caused by drug overdoses.
Researchers used a novel statistical model to estimate new HIV infections among adult MSM in England between 2009 and 2018. The results suggest that testing and treatment strategies have been effective in reducing new infections, with a significant decrease in the number of new infections from 2,770 in 2013 to 854 in 2018.
The AIDS Clinical Trials Group (ACTG) has launched A5386, a phase 1 HIV cure study assessing the safety and efficacy of N-803 in conjunction with broadly neutralizing antibodies. The study aims to evaluate the immune system's ability to control HIV reservoirs and virus rebound.
A lab-made monoclonal antibody, leronlimab, has been shown to completely prevent nonhuman primates from being infected with the monkey form of HIV. The results inform a future human clinical trial evaluating leronlimab as a potential pre-exposure prophylaxis therapy.
Researchers found that SARS-CoV-2 infects immature red blood cells, leading to reduced oxygen levels and impaired immune response. The study also shows why dexamethasone has been an effective treatment for COVID-19 patients.
Researchers found that HIV prevents oligodendrocytes from maturing, reducing myelin production. The virus secretes glutamate, which activates the integrated stress response, further disrupting cell development.
A study by ISGlobal reveals that Histoplasma infections are a leading cause of death among people with HIV in the Brazilian Amazon. The research highlights the need for sensitive detection methods to combat this fungal disease.
Researchers at IST Austria have uncovered the crucial role of IP6 in stabilizing virus shells, preventing premature genome release. The study provides insights into the variability of capsid shapes and potential differences in infectivity.
A new study finds that adding a small molecule can rip away the cloak shielding HIV-infected immune system cells, making them susceptible to patient's own antibodies. Researchers hope this breakthrough may one day eliminate the need for long-term antiretroviral treatments.
Researchers at CRCHUM and Yale University develop a cocktail that limits viral replication and decreases the HIV reservoir by destroying infected cells. The study successfully delays virus rebound, offering promising new therapeutic avenues against HIV.
Researchers developed a unique pre-clinical model of long-term HIV infection using subset of human CD4 cells, excluding those prone to attacking mouse tissue. The model showed that memory CD4 cells can be infected and killed by HIV or protected by anti-HIV drugs, paving the way for T-cell based therapies
Research published in Scientific Reports reveals that individuals with HIV are at a higher risk of SARS-CoV-2 infection and fatal outcomes from COVID-19. The study found a 24% increased risk of infection and a 78% higher risk of death among people living with HIV compared to those without the virus.
The University of Chicago Medicine's emergency department continued routine HIV screening alongside COVID-19 testing during the pandemic. The number of HIV tests remained at pre-pandemic levels, while the rate of acute HIV diagnoses rose. This successful implementation is attributed to targeted efforts and a strong partnership between ...
Scientists discovered that elite controllers' myeloid dendritic cells display traits of trained innate immune cells, which enhance their ability to control HIV. The study also found a specific long-noncoding RNA, MIR4435-2HG, that may be an important driver of this enhanced state.
Gladstone researchers have identified specific subsets of CD4+ T cells that are most susceptible to HIV infection. The team used a technology called CyTOF/PP-SLIDE to classify these cells and found that remodeling caused infected blood cells to alter their surface, potentially helping the virus infect more cells.
A new study by Tokyo Medical and Dental University clinicians reveals that horizontal transmission is responsible for HTLV-1 uveitis, a severe eye inflammation. The patient was treated with corticosteroids, showing promise in managing the condition, but highlighting the need to consider infection route in diagnosis and treatment.
A Weill Cornell Medicine team found rare variants of the virus in mothers' blood that can escape broadly neutralizing antibodies. These variants are associated with increased transmission risk to infants, suggesting vaccines or treatments need to be effective against them. Researchers propose high-dose combination therapy for pregnant ...