Articles tagged with Human Immunodeficiency Virus
A computer simulation analysis found that lowering the toxicity of new HIV drugs can increase patient quality-adjusted life expectancy by up to 11%, or more than 3 years. This reduction in side effects can lead to increased patient survival and improved treatment outcomes.
A study by Maricopa Integrated Health System found that nearly one-quarter of ER patients with confirmed HIV diagnosis have acute infections and over one-quarter have advanced to AIDS. The results emphasize the importance of early detection and interventions to extend life and minimize transmission risk.
The global HIV epidemic has seen significant reductions in new infections and AIDS-related deaths thanks to advancements in prevention strategies such as clean needles and condom use, and effective treatment that reduces infectiousness.
A new study reveals that bisexual men have unmet public health needs, leaving them vulnerable to STIs and other health problems. The study highlights the importance of addressing social and behavioral factors that affect their sexual health, such as biphobia, masculinity norms, and attitudes towards pregnancy. Researchers recommend int...
Men who have sex with men (MSM) tend to underestimate their HIV risk due to a lack of knowledge about pre-exposure prophylaxis (PrEP). Effective options like PrEP can prevent HIV infection, but MSM often miss out on this treatment. Adhering to daily PrEP and using condoms can slow the transmission of HIV.
A study suggests that eHealth interventions, such as interactive websites and video games, can reduce high-risk sexual behaviors and increase HIV testing among men who have sex with men. Digital outreach efforts on social networks and chat rooms also showed promising results in increasing HIV testing and reducing shame felt by young men.
Substantial levels of HIV transmission are emerging among people who inject drugs in the Middle East and North Africa, with an estimated 626,000 individuals infected. High rates of HIV infection and hepatitis C virus among this population highlight the need for expanded harm-reduction programs and surveillance systems.
Researchers at MGH and Ragon Institute identified how p21, a tumor suppressor protein, blocks HIV reverse transcription in CD4 T cells. This mechanism contributes to the natural control of HIV infection in elite controllers without drug treatment.
A team of scientists at the Gladstone Institutes has identified a new way to make latent HIV reveal itself by increasing its gene expression noise. This approach, known as the 'shock and kill' method, holds great promise for treating latent HIV infection.
Researchers at Rice University have developed a nucleic acid-based test to detect signs of HIV and track viral loads in patients in low-resource settings. The new test, called qRPA, uses recombinase polymerase amplification and can be performed at the site of care, eliminating the need for complex lab equipment.
A study published in PLOS ONE maps the transmission network of HIV in San Diego, predicting new transmissions and identifying high-risk individuals. Targeted treatment interventions based on this analysis can significantly reduce new infections.
Researchers analyzed blood samples from nearly 100 HIV-infected volunteers and found that B cells, which produce antibodies, are more activated, unstable, and unresponsive to HIV. In contrast, antiretroviral therapy improves B-cell response to HIV, with normal cells dominating.
A University of Nebraska-Lincoln team has developed a promising new approach for HIV vaccine development using an attenuated and genetically modified virus. The approach involves manipulating the virus' codons to rely on an unnatural amino acid, preventing the virus from replicating in the human body.
A new study suggests that testing for sexually transmitted infections (STIs) when testing for HIV can improve HIV prevention efforts in South Africa and the broader region. The study found that patients with HIV were more likely to contract STIs before starting treatment, highlighting the importance of simultaneous STI detection and tr...
A new study from Zimbabwe found that providers are hesitant to test children for HIV due to concerns about guardianship and privacy. The research highlights the need for improved guidelines, training, and organizational adjustments to increase HIV testing and counseling among this vulnerable population.
A recent study by the University of Pittsburgh Center for Vaccine Research has provided direct evidence of a major culprit behind poor outcomes for some HIV-infected individuals. The research suggests that blocking bacterial translocation can significantly slow HIV progression and reduce comorbidities such as heart disease.
University of Utah researchers developed a way to observe HIV budding without interfering with the process, showing ALIX's involvement in the late stages of virus replication. The study used digital camera and microscope technology to make movies and photos of the budding process.
Daily nutritional supplementation improves HIV patient condition with significant weight gain from muscle mass and improved grip strength. The study highlights the importance of nutrition in conjunction with HIV treatment to prevent malnutrition-related deaths.
Scientists at the Scripps Research Institute have discovered that a single site on the surface protein of HIV can be targeted by an AIDS vaccine, potentially neutralizing nearly all strains of the virus. The study suggests that this approach could lead to a highly effective vaccine that targets a specific site on the Env protein.
Researchers found high prevalence of hypertension and elevated cholesterol among HIV patients, with low rates of control. The study recommends greater emphasis on cardiology in HIV treatment and research to optimize heart disease risk factor management.
Patients with immunosuppressive conditions are at high risk of shingles but lack access to vaccination due to safety concerns. Alternative strategies must be developed to reduce shingles risk among these patient groups.
A recent study published in JAMA Pediatrics found that male circumcision is associated with a low rate of adverse events. The study suggests that male circumcision carries minimal risk and can be performed safely without compromising the child's long-term health outcomes.
Yuntao Wu's lab has won a $3.3 million NIH grant to develop an HIV cure using a Trojan Horse approach. The strategy aims to eliminate the virus by targeting its hiding places in T-cells. If successful, it could offer a cure for people struggling with HIV.
Researchers found EFdA, a soy sauce molecule, is up to 70 times more potent than Tenofovir, a first-line HIV drug, offering new hope for patients developing resistance. The compound works by hijacking the HIV replicating process, preventing virus spread.
Scientists at KU Leuven developed a new technique to study HIV proteins at the level of a single viral particle. This allows for quicker screening of anti-HIV drugs and potential to study other diseases.
Researchers have discovered a new class of proteins called cnidarins that can block HIV virus penetration into T-cells, providing a potent barrier against infection. The proteins were found in a feathery coral collected off Australia's northern coast and show a unique mechanism of action.
The Elizabeth Glaser Pediatric AIDS Foundation is launching a three-year training program for nurse midwife technicians in rural Malawi to address the critical shortage of health care workers. The program aims to provide quality HIV and health services to rural communities, with support from the US CDC through PEPFAR.
Researchers at Simon Fraser University have found that HIV is slowly adapting to its human hosts in North America, a development with potential implications for vaccine design. The study, published in PLOS Genetics, suggests that the virus's adaptation rate may be too slow to pose a significant threat.
Researchers have discovered a new vulnerable site on the HIV virus that can be attacked by human antibodies, neutralizing its infectivity across various strains. This finding is crucial in developing an effective vaccine against HIV.
Researchers traced HIV's adaptation to its human host over time in North America, finding gradual changes that are unlikely to impact vaccine design. The study suggests that HIV's slow adaptation rate could have implications for host immunity and treatment efficacy.
A new microbicide gel has been found to prevent the transmission of HIV, herpes simplex virus 2 (HSV-2), and human papillomavirus (HPV) in animal studies. The gel, MZC, contains two potent antiviral agents that are effective against multiple strains of HIV and have a window of efficacy of at least eight hours prior to exposure.
New York University researchers found that computerized intervention may aid antiretroviral therapy, improving ART adherence and reducing sexual transmission risk behaviors. The study, published in the Journal of Acquired Immune Deficiency Syndromes, showed a promising intervention for increased ART adherence and safer sex.
A community-based HIV prevention effort boosted testing rates by 45% and reduced new infections by 14% in Africa and Thailand. The intervention also led to increased social acceptance of testing and lower rates of sexual partners among infected individuals.
A new paper highlights the disproportionate impact of HIV on communities of color and poor neighborhoods, emphasizing the need for geographically targeted prevention and treatment efforts. The authors call for increased investment in vulnerable communities to combat the epidemic.
A new strategy in the fight against HIV and AIDS emerges from a study that found immunosuppressant therapy can reduce inflammation and control viral persistence. Researchers discovered that patients taking certain immunosuppressive drugs, such as sirolimus, had fewer infected cells over time.
A new study published in AIDS Care found that pressure from counselors and perceived ineffectiveness of interventions can deter young adults from returning for follow-up sessions. The study suggests that tailoring interventions to individual needs, including delivering personalized information about HIV risk, can improve retention rates.
A study published in Annals of Internal Medicine found that men with HIV have a greater risk and extent of coronary artery disease compared to uninfected men. Meanwhile, nearly one-third of patients fail to fill their first-time prescriptions, which may impact clinical outcomes.
A study of 882 HIV-infected prisoners found that treating inmates for HIV while incarcerated helped a majority achieve viral suppression by release. Most prisoners achieved viral suppression regardless of age, race, or ART regimen type.
Scientists at the University of Granada have discovered an allosteric interaction between HIV protein gp41 and antibody 2F5, a potent virus neutralizer. This breakthrough could lead to the design of effective vaccines against HIV by understanding how immune responses work.
Patients co-infected with HIV and hepatitis C have an 80 percent higher rate of decompensated cirrhosis than hepatitis C-only patients. Even when ART is effective, they still experience a 60 percent higher risk of serious liver disease compared to those with hepatitis C alone.
A new study calls for increased routine HIV testing among older adults, citing high rates of 'late presentation' and significantly increased mortality. The UK's growing population of older individuals living with HIV requires a more comprehensive approach to care, incorporating mental, functional, and social aspects.
A person with both lupus and HIV was found to produce the correct type of neutralizing antibodies, a key component of an effective vaccine. The study provides new insights into the immune system's response to the virus and could aid in the development of vaccines capable of overcoming tolerance controls.
A Northwestern University-designed intravaginal ring provides both antiretroviral drug and contraceptive protection for months, addressing a significant need in women's reproductive health. The device, known as the tenofovir levonorgestrel IVR, has been engineered to deliver controlled doses of these medications over an extended period.
Two new HIV prevention products, a combination antiretroviral vaginal ring and a film releasing the drug dapivirine, show safety and hold promise for further development. The products aim to provide an array of options for women-initiated prevention tools against HIV.
Research finds that HIV transmissions within communities are often facilitated by sexual contact with partners from outside the community. The study, conducted in Uganda, analyzed data from 46 communities and found that most new infections occur through sex with an outsider.
Researchers analyzed data from the VOICE trial and found that women using injectable contraceptive DMPA were more likely to acquire HIV than those using NET-EN. The study also showed a significant difference in HIV risk between DMPA and NET-EN users, particularly among HSV-2 positive women.
A computer model recommends a combination of interventions, including increased HIV testing, substance abuse treatment, needle and syringe exchange programs, and antiretroviral treatment as prevention to reduce HIV spread in NYC. The result would lower new infections by more than 60% by 2040.
Researchers have discovered potent antibodies in a KwaZulu-Natal woman's blood that can kill multiple strains of HIV. The study, published in Nature, could lead to new HIV vaccine strategies and improve treatment options.
Researchers used Twitter 'big data' to track HIV incidence and drug-related behaviors, mapping where tweets originated and linking them with geographic distribution of HIV cases. The study suggests that monitoring tweets can predict sexual risk and drug use behaviors, potentially preventing outbreaks.
The University of North Carolina has received a seven-year, $40 million award from the NIH for its Global HIV Prevention and Treatment Clinical Trials Unit. The unit will lead research on HIV treatment, prevention, and cure, with a focus on high-risk populations in the US and sub-Saharan Africa.
The UK's mother to child HIV transmission rate has dropped to an all-time low of 0.46%, according to a study published in the journal AIDS. The decline is attributed to earlier initiation of antenatal combination antiretroviral therapy and increased uptake of antenatal HIV screening.
Women living in world regions with high HIV rates are at high risk of acquiring HIV during pregnancy and postpartum. The combined HIV incidence rate among pregnant/postpartum women was 3.8/100 person-years, significantly higher in African countries than non-African countries.
A large-scale survey of South African healthcare workers reveals major gaps in workplace protection against tuberculosis, HIV, and hepatitis. Healthcare workers are at higher risk of contracting these diseases due to lack of screening, vaccination, and proper hygiene practices.
A new Penn Medicine study found that mental health patients are up to four times more likely to be infected with HIV than the general population. Researchers tested over 1,000 patients in care and detected several new HIV cases, highlighting the need for routine testing in mental health settings.
A new analysis of data from the Women's Interagency HIV Study reveals that anxiety is the biggest factor affecting thinking skills in midlife women with HIV. Mental processing speed and verbal memory were more closely linked to depression, anxiety, and hot flashes in both HIV-infected and healthy women.
A group of experts warn that high blood pressure could be as devastating to global health as HIV, with potentially more deaths over the next 20 years. Despite similarities between the two conditions, there is 'denial' and misunderstanding about hypertension's impact, hindering effective treatment and management.
Researchers found a mechanism that helps HIV evade antibodies and stabilize key proteins. By sulfating amino acids on the gp120 protein, the virus can be made more susceptible to neutralizing antibodies, which could lead to more effective HIV vaccines.
Researchers at Caltech used high-resolution electron microscopy to visualize HIV infection in the gut of an infected mouse model. The study revealed novel observations about HIV behavior, including semisynchronous wave patterns of virus release from infected cells and transmission through free pools of virus.
Scientists at UC Berkeley and NIH have captured a high-resolution snapshot of the Nef protein, which hijacks host proteins to facilitate HIV's lethality. By blocking a promising target on host protein AP2, researchers aim to slow or stop HIV.
A new study found differences in doctor-patient dialogue about HIV drug adherence depending on patients' race and ethnicity. Black patients experienced significant provider dominance, while Hispanic patients had more extensive dialogues about adherence.