Articles tagged with Hiv Research
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A study in rural Uganda found that domestic violence affects nearly half of women, with those whose partners consume alcohol facing a higher risk. The research highlights the connection between domestic violence and HIV risk, suggesting that addressing domestic violence may be crucial to preventing HIV transmission.
China's blood banking system is fragmenting due to rural-urban differences and has a scarcity of volunteer donors, leading to paid donations and illegal activities. Improvements are needed to adopt a volunteer-donor-only system, increasing education and training for those involved in blood collection and transfusion.
Researchers at UIC provided the first images of HIV in living cells, revealing how the virus enlists host assistance to wreak havoc on the body's defenses. The visualization, which took four years to develop, shows HIV particles hitching a ride aboard dynein, a molecular motor, and crossing the microtubular highway to reach the nucleus.
The Global Health Research Initiative Program for New Foreign Investigators (GRIP) provides support to young researchers from developing countries. The program aims to enhance scientific research capacity and address critical global health issues, including AIDS, cancer, and neurological disorders.
Researchers discovered that an individual could become infected with two closely related strains of HIV, highlighting the challenges in creating a vaccine against this highly variable virus. The study found that a hypothetical vaccine against one strain may not protect against other closely related strains.
The Emory Center for AIDS Research (CFAR) has received a five-year grant from the National Institutes of Health to further HIV/AIDS research and prevention efforts. With $33.5 million in NIH funding, the CFAR will build on recent advances in immunology, vaccines, and drug development.
In the 48-week SOLO trial, patients taking GW433908/r QD achieved undetectable viral load in 68%, compared to 65% of those taking nelfinavir BID. The study also showed improved efficacy in patients with high or low CD4 counts at baseline.
A new DNA vaccine has entered human trials, incorporating parts of four HIV genes to target various subtypes. The trial aims to determine the vaccine's safety and immune response, with expanded tests planned for international sites.
A recent study published in Psychosomatics found that HIV-positive patients who perceive their illness as a 'punishment' experience lower self-esteem and increased depression. The research highlights the need for addressing psychosocial issues, such as punishment beliefs about HIV, on self-care and medical outcomes.
Research in Kenya found that pregnant women with both HIV and malaria are at higher risk of developing anaemia, while their children also face a greater risk. However, the transmission of HIV from mother to child is less frequent when the mother has a mild malaria infection.
The new CIPRA grant will address HIV/AIDS as a family issue, not just an individual problem. The research aims to develop practical techniques tailored to the needs of South African families, with a focus on prevention, treatment, and social support services for those living with HIV/AIDS.
UCSF's Institute for Global Health has been awarded $4.5 million by the CDC to assist in global AIDS programs, focusing on training, technical assistance, and research in resource-constrained countries. The consortium will also establish regional coordinating centers in Brazil, India, and Zimbabwe.
Amanda Fisher has been awarded the prestigious EMBO Gold Medal for her exceptional work in European molecular biology. The award recognizes her achievements as a role model for scientists in Europe.
Researchers found that long-term nonprogressors' cells were better able to divide and produce perforin, a molecule that helps kill off infected cells. This discovery is crucial for developing effective vaccines and therapeutic treatments that improve CD8+ T cell function.
Researchers Irwin Chaiken, Nouri Neamati, Alan C. Sartorelli, Nan-Sook Lee, Elias Lolis, and Min Lu received awards for their work on preventing HIV from infecting host cells, developing integrase inhibitors, and making current drugs more effective. The $500,000 award aims to encourage new approaches in HIV/AIDS therapy research.
The European Molecular Biology Laboratory highlights the potential for genomic research to combat tropical diseases. However, commercial interest in developing treatments has been limited, and it will be necessary to combine efforts from not-for-profit organizations and private funds to support research in developing countries.
A new detection method uses gold nanoparticles and DNA probes to quickly identify multiple diseases, surpassing conventional methods in sensitivity, selectivity, and speed. This technique has the potential to be inexpensive and widely available.
The NIH has launched a new research program to better understand the role of stigma in global health and develop evidence-based interventions to mitigate its negative effects. The program aims to break new ground by providing information to help minimize stigma's impact on health.
The Bill & Melinda Gates Foundation is funding a study at UCSF to test diaphragms as an HIV prevention method. The diaphragm holds promise for preventing HIV transmission, particularly in women, who are disproportionately affected by the disease.
Scientists have gained valuable insights into AIDS by studying the simian immunodeficiency virus in monkeys. Researchers are now exploring ways to vaccinate against HIV transmission and eliminate latent viruses.
A new HIV vaccine candidate has shown promising results, targeting a shared characteristic of all HIV strains and generating antibodies that neutralize a wide range of isolates. The complex could serve as a useful model for HIV vaccine development, bringing researchers closer to their goal of developing an effective vaccine.
A recent study published in the New England Journal of Medicine found that the transmission rate of drug-resistant HIV had more than doubled among patients in North America. The study, which analyzed over 300 patients, revealed a significant increase in the prevalence of viral mutations associated with resistance.
A study of 12,804 SAH cases found that mortality rates decreased with increasing hospital volume, with highest-volume hospitals having 32% lower mortality. Longer stays and higher costs were also associated with higher-volume hospitals.
NIAID-funded studies explore dual protease inhibitors, herpes simplex virus 2 risk factor for HIV infection in India, and anti-HIV antibodies' influence on HIV evolution. The conference also features the world's largest preventive HIV vaccine trial.
A study in Zimbabwe found that women are willing to use diaphragms as a potential HIV prevention method. Diaphragms may increase the effectiveness of new microbicides designed to prevent HIV acquisition, according to principal investigator Nancy Padian.
Researchers at the University of Pittsburgh discovered that even mild elevations in liver enzymes ALT and AST are associated with a nearly twice higher death rate compared to normal levels. Elevated enzymes signal liver injury and can result from HIV treatment, viral hepatitis, or alcohol abuse.
Northwestern researcher Robert L. Murphy calls for simplified, less toxic HIV therapies due to complex regimens and adverse effects. He discusses potential new treatments like atazanavir, a single-daily-dose protease inhibitor with minimal side effects.
A five-year, $14.8 million NIH-funded award will support HIV/AIDS research in China, focusing on epidemiologic and behavioral interventions, pathogenesis of the virus, safety and efficacy of anti-HIV drugs, and vaccine development. The award aims to improve HIV/AIDS treatment and prevention measures in resource-limited countries.
Researchers at Ohio State University found that methamphetamine exposure can dramatically increase the replication of lentiviruses like FIV and HIV in astrocyte cells, a type of nerve cell. This could lead to new insights into how these viruses spread in the brain and may impact dementia treatment.
UCSF researchers argue that funding HIV prevention interventions in sub-Saharan Africa is 28 times more cost-effective than treating individuals with highly active antiretroviral therapy (HAART). Implementing six proven prevention interventions can save a maximum number of lives with limited funds available, according to the study.
The HVDDT program aims to bring a safe and effective HIV vaccine closer to reality by partnering academic research centers with private industry. Early tests in monkeys showed promising results, with vaccinated animals developing strong immune responses that protected against disease.
Researchers are making progress in developing preventive HIV vaccines, with six potential candidates tested in clinical trials over the past five years. The National Institute of Allergy and Infectious Diseases is currently sponsoring multiple clinical trials, which will require tens of thousands of additional volunteers.
A new method to prevent HIV from infecting healthy cells has been discovered by a team of researchers at the University of Illinois. The study found that reverse-chirality D-peptides can block the virus's entry into cells, providing a potential new therapeutic option.
The GlaxoSmithKline Drug Discovery and Development Award provides funding for innovative HIV/AIDS research, including therapies aimed at treating infection and preventing transmission. The award is intended to further the development of inventive treatments for HIV/AIDS.
Researchers at Rush University Medical Center are conducting a Phase I clinical trial to test the safety and efficacy of an HIV vaccine in healthy individuals. The vaccine has shown promise in eliciting specific antiviral cellular immune responses and is generally well-tolerated.
Researchers found that measles triggers intense immune system activation, temporarily suppressing HIV levels in children. The study suggests a potential clue to understanding HIV pathogenesis and immunity.
A second-stage HIV vaccine trial has started in London and Oxford, recruiting 120 volunteers to assess the vaccine's safety and dosage. The trial aims to establish optimum vaccination schedules and booster injections to prevent HIV infection.
Researchers found that two American infants were infected with African strains of HIV as early as 1994. The study suggests that more complicated regimens work best to combat the spread of HIV in pediatric patients, but may pose social problems for children entering adolescence.
A study shows that black teen girls who rarely talked to their parents about sex and STD prevention were less likely to report condom use. Parents can help motivate their daughters to discuss safe sex techniques with partners, according to researchers.
The Pediatric AIDS Clinical Trials Group will support clinical trials sites, a statistical center, and operations center with renewed funding. The new agenda emphasizes five key areas: perinatal transmission, pediatric treatment, adolescent treatment, long-term evaluation of antiretroviral therapies, and domestic and international coll...
Researchers found that HIV protein Vpr halts infected T cells from dividing, allowing the virus to replicate efficiently. The study uses a new laboratory technique to detect infected cells, providing a potential window into patient outcomes and treatment options.
A recent decision by NIAID has halted a proposed Phase III HIV vaccine efficacy trial, citing concerns about the level of CD8 cellular immune response. However, a new trial will proceed with a similar vaccine combination, ALVAC-HIV and AIDSVAX, to assess its efficacy in Thailand.
The Aventis Pasteur statement emphasizes the continued development of its ALVAC vector as a preventive AIDS vaccine. The company remains committed to multiple trials using ALVAC-HIV (vCP1452) and supports research into its therapeutic potential, with ongoing phase I/II studies underway.
A new study using powerful DNA-amplification tests found that up to 3% of participants had untreated chlamydia and over 5% had untreated gonorrhea, suggesting a large reservoir of asymptomatic infections. The high prevalence rates in the general public and lack of symptoms emphasize the importance of screening programs and extended acc...
A study found that 35% of staff left the field within four years due to colleague stress. However, burnout was not a major factor; instead, support from professional colleagues significantly impacted employee retention. The researchers conclude that improving team relationships can reduce job stress and enhance retention.
The SMART trial aims to find a balance between aggressive HIV treatment and minimizing adverse side effects. The study will compare two distinct treatment approaches over an average of seven years, providing valuable insights into the optimal use of antiviral therapy.
A Mayo Clinic case study describes a patient with progressive multifocal leukoencephalopathy (PML) who responded positively to HAART-cidofovir combination therapy, regaining mobility and daily functioning. The case contributes to growing data on effective treatment strategies for PML in AIDS patients.
Two independent studies show that HIV infection increases T-cell death and proliferation, leading to a decline in CD4+ T cells. The accelerated division of existing T cells contributes to the immunodeficiency associated with HIV, rather than blocking new cell production.
A new study reveals that HIV-specific CD4+ T cells persist in infected individuals, but high virus levels suppress their proliferative response. The research provides clues on how the virus manipulates the immune system for its own survival and challenges the notion of long-term nonprogressors.
The North-Central California Center for AIDS Research aims to address HIV infection patterns, develop prevention strategies and improve treatment outcomes. The center will foster collaboration between researchers and clinicians to advance knowledge of HIV and its impact on rural communities.
Researchers at Gladstone Institute of Virology and Immunology found that HIV's Vpr gene causes the formation of nuclear herniations, disrupting cell division. This disruption enables virus production to increase severalfold, improving HIV's ability to grow and infect new cells.
The study aims to determine the effectiveness of meditation and/or massage in improving patients' perceived quality of life. Researchers hope to find ways to improve quality of life, particularly in the spiritual domain, for patients dying with AIDS.
Researchers found that infected individuals can transmit HIV to others through a single sexual encounter, often before developing flu-like symptoms. The study emphasizes the importance of not engaging in unsafe sex and highlights the need for early intervention to prevent rapid epidemic spread.
Researchers at Gladstone Institute discover HIV can infect naïve T cells, explaining how T-cell numbers diminish and leave the body susceptible to opportunistic infections. Infected naïve cells die, eliminating immune system's ability to respond to opportunistic infections characteristic of AIDS.
Peptide-T, a synthetic compound, prevents HIV from entering healthy human cells by adhering to specific cellular receptors. This new mechanism of action offers an alternative to existing protease inhibitors, which can develop resistance and cause harmful side effects.
Researchers have found a possible link between viral infections and a treatable form of ALS. Six patients with HIV developed symptoms of motor neuron disease after anti-HIV treatment, suggesting that the AIDS virus can cause a variant of classic ALS.
A UCSF study of exclusive receptive oral intercourse with a male partner found a very low probability of acquiring HIV. The study involved 198 participants, none of whom contracted HIV through oral sex.
Researchers found that HIV-induced changes in B cells lead to dysfunctional antibody production and increased risk of cancer. The study provides a key tool to investigate how HIV causes B-cell malfunction and may lead to the development of new treatments for HIV-infected individuals.
A recent study found that 85% of injection drug users in Baltimore obtained some needles from street sellers, highlighting the need for improved needle exchange programs. The study suggests that individually sealed syringes could be a game-changer in reducing the transmission of blood-borne diseases.
Researchers found that HAART decreased the HIV death rate to 38 percent of pre-HAART levels and opportunistic infections to 66 percent, supporting its effectiveness in advanced patients. The study analyzed data from 528 advanced AIDS patients who received HAART for an average of 15 months.