A novel combination of broadly neutralizing antibodies has shown remarkable results in reducing HIV viral loads in infected individuals, even after treatment interruptions. This groundbreaking study suggests a promising approach to antibody-mediated therapy, paving the way for long-term control of the virus.
A recent study reveals that Zika virus proteins bind to cellular proteins essential for neural development, leading to brain damage and microcephaly. The research identifies specific viral factors responsible for the condition, offering new insights into the virus's mechanism of action.
Researchers at Washington State University have successfully cloned grapevine leafroll-associated virus 3, a breakthrough that could lead to new strategies controlling the disease. The discovery opens the door for experiments and treatments to protect valuable vineyards from the devastating disease.
Researchers discovered that a weaker immune response activation triggers the replacement of one dengue virus lineage by another, despite lower multiplication rates. This finding has significant implications for vaccine development and understanding viral interactions with the human population.
Researchers discovered a high infection rate of Purkinje neurons with HHV-6 in patients with bipolar disorder and/or severe depression. The study suggests viruses can cause cognitive disturbances leading to mood disorders, contradicting the belief that dormant viruses never cause disease.
Researchers found that viruses like norovirus and rotavirus are transmitted through membrane-cloaked 'virus clusters' that increase disease severity. These clusters, previously unknown to cause human-to-human transmission, may lead to more effective treatments targeting these clusters.
A study by UC Davis researchers found that low levels of cytomegalovirus (CMV) significantly impact microbe and immune cell populations, influencing the immune system's response to the influenza vaccine. CMV infection also alters gut microbiota, potentially diverting resources away from other threats.
Researchers have found a possible active substance against the hepatitis E virus in naturally occurring silvestrol, which inhibits pathogen replication in cell cultures and mice. Silvestrol is formed by mahogany plants and has been shown to be effective against the virus in both lab tests and animal models.
A new HIV vaccine candidate has been shown to be safe and induce an immune response in both healthy adults and rhesus monkeys. The vaccine protected against infection with an HIV-like virus in monkeys and showed comparable results to those seen in humans, paving the way for a phase 2b clinical efficacy trial.
A new HIV vaccine candidate has triggered desired immune responses in humans and monkeys, demonstrating robust protection against infection. The 'mosaic' vaccine contains a patchwork of genetic sequences found among various HIV strains, providing broad protection against the many strains prevalent worldwide.
Research reveals that good bacteria interact with epithelial cells and immune system cells to balance immune responses and protect the gut from inflammation. Manipulating the microbiota may offer therapeutic benefits for conditions like inflammatory bowel disease.
Scientists have created gene-edited pigs that resist Porcine Reproductive and Respiratory Syndrome (PRRS) by removing a section of the CD163 receptor. The research shows that these pigs do not become infected with the virus, which causes significant economic losses in the pig industry.
Researchers have discovered a 400-million-year-old anti-viral protein that can potentlly block HIV, revealing an evolutionary arms race between the virus and the immune system. This ancient gene, HERC5, has been involved in a centuries-long battle for survival with viruses, resulting in sophisticated shields to block them.
Researchers discovered that microglia can defend against prion infections by trapping and destroying aggregated prion proteins. Eliminating microglia with a specific drug accelerated disease progression in infected mice. The findings suggest targeting microglia to slow the course of prion diseases, including Alzheimer's and Parkinson's.
Researchers at Baylor College of Medicine found that mosquito saliva alone can trigger long-lasting immune responses in humanized mice, including activation of T helper cells and diverse cytokine levels. The study offers insights into developing effective strategies to prevent mosquito-borne diseases.
University of Rochester researchers have developed a new live equine influenza vaccine that is safe and more protective than existing vaccines. The vaccine targets the H3N8 strain currently circulating in North America and Europe, and was shown to protect horses against the virus in a small study.
A National Institutes of Health (NIH) study has found no evidence of transmissibility of chronic wasting disease in cynomolgus macaque monkeys. The research, published in the Journal of Virology, involved exposing 14 macaques to brain matter from CWD-infected deer and elk over a period of up to 13 years.
Dr. Christian Marín-Muller developed a microRNA treatment for pancreatic cancer and founded Speratum CR, a biotech company with the goal of creating effective therapies. The company has successfully completed preclinical studies and is planning to initiate its first human trial.
A new coronavirus identified in bats is linked to the devastating death of nearly 25,000 piglets in China. The virus, named SADS-CoV, does not infect humans and was contained through swift action by farmers.
Researchers found that tungsten oxide nanoparticles selectively target cancer cells while being harmless to healthy cells, opening up new therapeutic possibilities. The particles also exhibit strong antibacterial properties, making them a potential solution for wastewater purification.
Researchers found that IgA1 antibodies can protect against flu viruses through two mechanisms: acquired immunity and innate immunity via sialic acids. This discovery could lead to more effective flu vaccines and treatments.
A new serological test developed by Brazilian scientists detects antibodies against Zika virus in blood serum with high specificity, outperforming existing tests. The test aims to improve prevention policies for pregnant women and provide more accurate diagnoses.
A new bioinformatics analysis method has been developed to study viral infections, revealing over 500 different proteins and peptides, including 200 previously unknown to science. This discovery improves the identification of translation events and opens up new possibilities to understand the effects of viral infections on the organism.
University of Alberta researchers have found the Ebola polymerase enzyme, which may lead to more effective research and better treatments for the often fatal infection. The discovery allows for the study of Ebola inhibitors in any lab environment, accelerating the search for antiviral medicines.
The National Institute of Allergy and Infectious Diseases (NIAID) has unveiled a strategic plan to develop a universal influenza vaccine. The plan focuses on three key areas: improving understanding of influenza transmission, characterizing protective immunity, and designing universal vaccines.
Researchers found that bats have a dampened STING-interferon pathway, allowing them to maintain a balance with viruses without triggering an immune reaction. This defense strategy is thought to have evolved as part of bat biology, including their ability to fly and host a large viral reservoir.
A study by international scientists found that viruses cluster in genetically similar organisms and agricultural land, leading to a higher prevalence of viral infections. The research also reveals a vast number of viruses in the natural compartment, which can inform the emergence of plant diseases.
Researchers at Morgridge Institute for Research discovered a crucial enzyme called ERO1 that promotes cytoplasmic viral replication by bridging membrane barriers. This finding opens up a new target for broad-spectrum antivirals targeting positive-strand RNA viruses.
Researchers created synthetic neurons from a readily available cell line to investigate purine synthesis in the human brain. The study found that the core enzyme FGAMS is expressed throughout neurons and non-neuronal cells, with infection by herpes simplex virus affecting its expression and clustering.
UAlberta researchers created a synthetic horsepox virus that can provide vaccine protection against smallpox. The discovery demonstrates the potential of synthetic DNA technology in advancing public health measures.
Portland State University biologist Ken Stedman and colleagues advocate for virus research beyond Earth, proposing NASA investigate viruses on Saturn's moons, Mars, and ancient deposits. They suggest Earth viruses could survive in space and potentially be spread extraterrestrially.
Researchers call for regulations to protect human mental privacy and integrity in neurotechnology, citing concerns over dual-use applications. The University of Basel outlines a new framework concept aimed at preventing the weaponization of brain technology.
Researchers discovered that dengue virus takes over an accordion-shaped structure within host cells to produce proteins, while avoiding the larger fluid-filled space of the cell. This subtle approach allows the virus to reproduce tens of thousands of times without triggering the body's defenses.
Researchers found that dietary trehalose enhances the virulence of epidemic C. difficile lineages, leading to increased disease severity and mortality in animal models. The study suggests that trehalose may be a key trigger for the predominance of these lineages, contributing to hospital-acquired infections.
A new Zika vaccine candidate has produced strong immune responses in healthy adults, with nearly all recipients mounting protective antibody responses against the virus. The vaccine was safe and caused only mild reactions, offering a promising step towards an effective Zika vaccine.
A phase 2b clinical trial of a novel HIV vaccine regimen has begun in southern Africa, aiming to reduce the incidence of HIV infection. The mosaic vaccine, developed by researchers at the Ragon Institute, is designed to respond to various viral strains and address genetic diversity.
Scientists have identified two biomarkers that accurately predict patient survival in Ebola cases. The study analyzed blood samples from survivors and fatal cases, revealing distinct metabolic responses and immune-related molecules. These findings could improve treatment allocation and patient outcomes.
A research team led by the University of Wisconsin-Madison has identified 11 biomarkers that distinguish fatal Ebola infections from nonfatal ones. These biomarkers may aid in future treatment efforts and help clinicians prioritize scarce resources for the sickest patients.
Researchers tested a new vaccination approach in rhesus monkeys, finding that the type and order of administration influenced immune activation. The study showed promise for inducing sustained protective immunity without increasing CD4+ T helper cells.
Scientists have characterized the infection mechanism of Rift Valley fever virus by inserting an envelope protein into host cell membranes. The study also reveals a shared recognition pocket with other human pathogenic viruses, paving the way for new therapeutic agents.
Researchers developed a 4-in-1 flu shot that provides broad protection against influenza by targeting ancestral genes of four major strains. The vaccine was shown to be effective in mice, with those receiving the highest dose not getting sick.
Researchers at UGA and Sanofi Pasteur developed a broadly protective vaccine against multiple strains of H3N2 influenza, which neutralized 100% of the viruses over a five-year period. The vaccine has the potential to replace seasonal flu vaccines with year-round manufacturing, reducing production time.
Professor Chunghun Lim has received the 2017 SUHF Young Investigator award for his groundbreaking work in the field of life sciences. The Suh Kyungbae Science Foundation supports young scientists through a maximum grant of 2.5 billion KRW over five years to nurture and promote creative research.
Researchers discovered a virus-like particle vaccine can prime the immune response and prevent severe respiratory disease caused by RSV vaccine. The study found immunizing mice with RSV fusion proteins before administering the FI-RSV vaccine prevented lung inflammation and eosinophil invasion.
Researchers have discovered that the virus used in the early smallpox vaccine was closely related to horsepox, contradicting centuries-long assumptions that cowpox was used. The finding has significant implications for our understanding of vaccine development and its applications in modern medicine.
Scientists develop an antibody-based Zika virus therapeutic that protects monkeys from infection and neutralizes the virus. The treatment has been shown to be effective in preventing Zika virus replication in rhesus macaques.
Researchers at the University of Nebraska-Lincoln have identified a Zika virus mutation that contains a sugar in its protein envelope, which may help the virus enter the brain. This discovery could explain why the virus became more lethal during outbreaks in the Caribbean and South America.
The Congenital Zika Virus Program at Children's National evaluated 36 women and their fetuses, revealing that 89% had been bitten by Zika-tainted mosquitoes or exposed via sex with an infected partner. Tragically, four fetuses suffered severe birth defects, leading to two non-viable pregnancies and one infant death.
Researchers found that accurately transcribing DNA overrides DNA repair, with bacteria becoming hundreds of times more efficient at repairing DNA damage when the transcription fidelity factor GreA is absent. This discovery challenges traditional understanding and has significant implications for cancer research and evolution.
New research suggests that male hormones promote infection with the virus that causes Kaposi's sarcoma, a type of cancer. The study found that androgen receptors in cells are activated by male hormones, leading to increased levels of KSHV genetic material detected in infected men.
Researchers identified how HIV induces antiviral interferon-stimulated genes in infected cells to survive and spread, hindering the body's early immune response. The study aims to boost expression of these genes to stop virus replication.
Researchers identified a signature of five early innate immune markers correlating with antibody titers after vaccination, providing insight into VSV-based vaccine efficacy. The study's findings could lead to accelerated vaccine development and improved emergency vaccine strategies.
Assistant Professor Julien van Grevenynghe at INRS-Institut Armand-Frappier Research Centre has received a $25,000 award to further his research on autophagy in HIV infection. The Banting Research Foundation recognizes the potential of his work to strengthen the immune system and develop effective HIV vaccines.
A recent study published in the Journal of Virology has pinpointed how a tiny protein speeds up Ebola's contagiousness. The researchers identified that the delta peptide weakens protective membranes in gastrointestinal cells, allowing viruses to enter and wreak havoc.
Scientists at the John Innes Centre have produced a new vaccine against poliovirus using virus-like particles grown in plants. The vaccine uses a method that employs virus-like particles (VLPs) - non-pathogenic mimics of poliovirus which are grown in plants.
Researchers Kartik Chandran and Jonathan Lai will develop broadly active monoclonal antibody therapies for Ebola and extend the strategy to Marburg virus. They will also investigate how hantaviruses enter the human body.
Researchers will analyze adaptive immune responses of infants with different HIV exposure in utero, comparing those exposed to low and high levels of HIV infection. The goal is to understand the mechanism of increased susceptibility to infections and develop strategies for improving infant health.
Research by University of Wisconsin-Madison scientists reveals that Zika virus transmission is unlikely through casual contact like kissing or sharing utensils. The study found that the virus can survive in bodily fluids for extended periods but remains inactive in saliva, which may play a role in preventing infection.
Scientists are noticing a shift from hepatitis E as only a disease of the poor to one that can also affect affluent people in developed world settings. The virus is re-emerging as zoonotic, with transmission linked to pork products and environmental contamination.
A South African child diagnosed with HIV at 32 days old has maintained undetectable viral levels and good health despite ART cessation at age 9.5 years, suggesting early treatment may be key to long-term remission.