Articles tagged with Viral Infections
Researchers developed a methodology to forecast outbreaks of pathogens such as coronavirus and monkeypox, identifying host species at risk of infection. The machine-learning approach analyzes variables like location and climate to predict community hot spots at risk.
A new clinical decision support system, MPX-CDSS, has been developed to aid frontline clinicians in identifying and treating patients at risk for monkeypox. The tool is embedded in electronic health records and provides structured screening questions and image upload capabilities.
A study by Kumamoto University researchers found that a defective isoform of the SIGIRR gene activates an inflammatory pathway associated with cystic fibrosis. This defect leads to decreased expression and function of anti-inflammatory molecules, resulting in severe inflammation.
A combination of immunotherapy and virotherapy using myxoma virus provides new hope for patients with treatment resistant cancers. The approach boosts the immune capacity to effectively target and destroy cancer cells, inducing a form of cell death called autosis.
Researchers discovered a mutated form of the hepatitis E virus that produces non-infectious particles but can bind antibodies, potentially giving the virus an advantage. The study found that one mutation affects the capsid protein and leads to smaller, non-infectious particles that are correctly recognized by the immune system.
A review of available monkeypox clinical guidelines found most were of low quality, lacking sufficient detail and failing to cover different risk groups. The lack of clarity between guidelines creates uncertainty for clinicians treating patients with monkeypox.
A new study found a correlation between colder temperatures and northern regions in the US and an increased risk of diabetes diagnoses in dogs. Diabetes diagnoses were more common in winter and in the North compared to other seasons and regions.
A recent international study has shed light on the inner workings of the adaptive immune response, revealing how killer T cells recognize viral invaders using molecular road signs. The study highlights the crucial role of chaperones in ensuring the stability and longevity of these road signs, allowing for more effective detection and d...
A new study by Johns Hopkins Medicine researchers reveals a promising genetic method for identifying hundreds of disease agents using next-generation sequencing. The Respiratory Pathogen Infectious Diseases/Antimicrobial Resistance Panel (RPIP) system shows near-comparability to traditional diagnostics in identifying pathogens.
Researchers aim to uncover information on blotchy bass syndrome's prevalence, distribution, and potential risks through data collected by citizens. The study will help determine which bass species are susceptible and which seem immune.
SLFN11 acts as a surveillance factor for protein homeostasis by alleviating proteotoxic stress derived from protein synthesis and maturation. Its lack makes cells vulnerable to anticancer drugs inducing ER and proteotoxic stress, leading to chemoresistance. SLFN11 is also involved in regulating immune response and inflammation.
The researchers developed a versatile model that takes into account factors such as infection rates, mortality, and recovery. They found that limiting contacts through quarantine is effective in reducing disease incidence and suppressing the virus.
Researchers discovered that giant viruses, known as bacteriophages, construct a shielded compartment that acts like a nucleus in human cells, protecting their genetic material. The nuclear-like structure allows certain components inside while serving as a defense mechanism against bacterial threats.
A new study found that HIV-1 Tat expression accelerates age-related diseases in male mice by disrupting neuroendocrine function. Researchers discovered that Tat alters steroid hormone levels, leading to anxiety-like behavior, cognitive errors, and reduced grip strength.
Researchers at TUM have developed a cell-free production method for bacteriophages, which can be used to target and combat specific types of antibiotic-resistant bacteria. The new technology has the potential to produce personalized therapeutic phages for clinical trials, addressing multi-resistant germ infections.
The new phage T4-COVID-19 vaccine elicits superior mucosal immunity in mice, inducing robust humoral and cell-mediated immune responses. The vaccine provides complete protection against SARS-CoV-2 variants with minimal lung lesions and no impact on gut microbiota.
A recent study from University of East Anglia compared 13 face shield styles in laboratory settings and surveyed over 600 people in Nigeria and Brazil about their views on face shields as PPE. The results showed that all face shields provided some protection, but none gave high levels against external droplets.
Researchers at ITQB NOVA and iMM discovered that the parainfluenza fusion peptide promotes membrane fusion by destabilizing the host's membrane and forming clusters of oligomeric structures. This breakthrough can contribute to developing antiviral therapies to prevent infection.
Researchers have identified 42 host cell proteins that contribute to the replication and spread of Lassa virus, a disease with high morbidity and mortality in Western Africa. One potential drug target, GSPT1, was found to be involved in viral-host interactions and showed antiviral activity against Lassa without cytotoxicity.
Researchers at La Jolla Institute for Immunology have identified a critical protein, GSPT1, that facilitates Lassa virus infection. Targeting this protein with an existing drug candidate, CC-90009, shows promise in reducing Lassa virus growth without cell toxicity.
Scientists identified that retrons encode toxin proteins kept inactive by a small DNA fragment, unleashing them upon viral attacks. The EMBL team discovered how retrons form antitoxins and found natural switches to trigger growth inhibition complexes.
A new study found monkeypox virus DNA in the saliva, semen, and other clinical samples of 12 infected patients. Viral DNA was detected in these fluids even after symptoms had resolved, suggesting they may be infectious.
A survey study of 1,240 adults with cancer found racial and ethnic disparities in cancer care during the pandemic. Black and Latinx adults reported more delayed cancer care and adverse social and economic effects compared to their white counterparts.
The new grant aims to address structural racism and discrimination affecting Asian-Americans with chronic hepatitis B virus infection and liver cancer. Researchers will examine factors such as socio-historical hardship, segregation, and mistrust of the health system to improve quality of care.
Researchers developed a novel approach to detecting hidden malicious codes in websites by analyzing common attack patterns and user-side scripts. The method can identify malicious distribution patterns with high accuracy and speed, including zero-day attacks.
Researchers developed a new method to quickly screen large numbers of molecules for activity against the nsp13 protein, which is essential for viral replication. The approach identified six promising compounds as potential starting points for antiviral drug development.
A study in Madrid found that private encounters and parties contributed to the outbreak, while a German study showed a shift from travel-associated to local transmission with Berlin as the epicenter. Both studies highlight the importance of targeted information for populations at risk, especially MSM.
Researchers from Tianjin Medical University General Hospital review sarcopenic obesity's impact on liver disease, including nonalcoholic fatty liver disease and cirrhosis. The study aims to clarify the pathogenesis of sarcopenic obesity and identify potential therapeutic avenues.
Researchers at The University of Tokyo have created a new antibody-based method for detecting SARS-CoV-2 that does not require a blood sample. This innovative approach uses interstitial fluid from human skin to detect antibodies within 3 minutes.
The New England Center of Excellence in Vector-Borne Diseases aims to reduce tick- and mosquito-borne diseases through research, training, and community engagement. The center will leverage applied research, public health training, and community partnerships to prevent and control vector-borne diseases.
Researchers found dengue and Zika viruses increase acetophenone production in infected hosts, making them more attractive to mosquitoes. Treatment with acne medication reduces this effect, potentially mitigating virus spread.
Researchers found enteric viruses like noroviruses replicate in the salivary glands of mice and can be transmitted through their saliva, potentially explaining high infection rates worldwide. This discovery could lead to new prevention and treatment strategies for diseases caused by these viruses.
Researchers from Osaka University found that SARS-CoV-2 infection activates the IRF1 gene and impairs insulin/IGF signaling in various tissues, including lung, liver, adipose tissue, and pancreatic cells. This disruption can lead to new-onset diabetes in some patients.
The Wake Forest Institute for Regenerative Medicine has established a research program using organoids and artificial intelligence to study viral threats. The program aims to develop predictive algorithms for medical countermeasures and diagnostics by tracking biochemical changes in 3D organs infected with different viruses.
Researchers found that retinal cells are more susceptible to Ebola virus infection than iris cells, which could lead to uveitis diagnosis and treatment. This discovery highlights the importance of monitoring retinal cells during acute viral infections to identify patients at high risk.
Scientists have discovered a new, high-resolution view of the rabies virus glycoprotein, which could lead to more effective vaccines. The study's findings suggest that a better-shaped vaccine could provide lifelong protection against the deadly disease.
Researchers discuss Hepatitis D's life cycle and interactions with its host, exploring strategies for further research to combat this overlooked virus. HDV coinfects people with hepatitis B, rapidly progressing to liver cirrhosis and cancer if left untreated, with a review published in the Chinese Medical Journal.
A study in the Netherlands estimates a mean incubation period of monkeypox at 8.5 days, with most cases developing symptoms within 13 days after exposure. The findings support the current 21-day quarantine recommendation for preventing infectious contacts.
Researchers developed a nanoparticle sensor that can accurately distinguish between viral and bacterial pneumonia within two hours using a simple urine test. The sensor uses the host's immune response to infection, detecting specific protease patterns that serve as signatures of bacterial or viral infection.
The CDC has published a new report detailing the county-level distribution of seven diseases spread by blacklegged ticks. The map highlights areas with reported infections and those without, emphasizing the need for public awareness and prevention measures.
A new study published in Nature reveals that a small population of neurons near the base of the brain can induce symptoms of sickness, including fever, appetite loss, and warm seeking behavior. The researchers found these neurons have receptors capable of directly detecting molecular signals from the immune system.
Researchers at Cedars-Sinai have identified a key gene, NLRP11, that plays a crucial role in the innate human immune system. Deleting this gene prevented an immune sensor from triggering an inflammatory response, highlighting its potential as a target for therapies to prevent or treat inflammatory diseases.
Researchers from Arizona State University investigate autoantibodies in healthy individuals, revealing their pervasiveness and role in human health and disease. The findings aim to improve diagnostics and therapeutics for a range of illnesses.
A WHO-supported series has collected 13,700 new database records on mosquito-borne diseases, providing valuable resource for studying and containing infectious diseases. The data can be used to train machine-learning models for vector detection and classification, improving global human health.
A new Cornell University-led study found that low-income residents near new public transit stations in Medellin, Colombia experienced higher dengue fever rates. The researchers discovered that the proximity to these stations and socioeconomic status are significant factors in determining dengue incidence rates.
Researchers at Aston University have developed a new antibiotic combination that successfully treated a cystic fibrosis patient's deadly lung infection. The combination of imipenem/relebactam with amoxicillin eradicated the infection, enabling the patient to receive a lifesaving lung transplant.
Researchers have found that gamma delta T cells can be trained to become extreme killers by recognizing abnormal target cells. This discovery has implications for developing novel cellular therapies to treat cancer and infectious diseases.
A new study reveals which bird species are driving the global spread of avian influenza, identifying ducks and geese as super-spreaders. The research also highlights the crucial role of gulls in transmitting the virus over long distances, with their ability to fly over oceans playing a significant role in its rapid spread.
A study in a mouse model found that viral infections during pregnancy can affect the mother's brain and disrupt maternal care behavior after birth. The research team identified structural, molecular, and functional changes in the brains of mothers with viral-like immune activation.
A recent study by the University of Helsinki found that scent detection dogs can accurately identify individuals with a coronavirus infection from skin swabs. The dogs' sensitivity and specificity were 92%, with only small differences in accuracy observed between individual dogs.
Researchers developed an algorithm to quickly identify two cancer drugs that work well together, reducing testing time from three years to eight weeks. The new method uses gene expression data to prioritize potential combinations and has been confirmed in lab tests.
A vaccine candidate for eastern equine encephalitis virus, western equine encephalitis virus, and Venezuelan equine encephalitis virus has been found safe and well-tolerated in a clinical trial. The vaccine induced a neutralizing antibody response against all three viruses.
A UC Davis study found a critical agent keeping KSHV dormant and undetected by the immune system. The virus is linked to various cancers and AIDS-related diseases. The researchers identified CHD4 as a key regulator of the latency-lytic switch, allowing the virus to stay silent.
Researchers have found that flu viruses can directly infect heart cells, leading to electrical malfunctions and scarring. The study suggests that clearing the viral infection may be key to reducing flu's effects on the heart.
Researchers determined the 3D structure of NTCP, a protein crucial for liver function and HBV/HDV infection. The study reveals two essential conformations: one 'open' pore for bile salt binding and a 'closed' conformation preventing virus recognition.
Research found that SARS-CoV-2 relies on human transmembrane proteins, especially IFITM2, to replicate efficiently and produce infectious viruses. Antibodies targeting IFITM2 can protect lung cells from infection, suggesting a promising therapeutic approach by targeting host factors instead of viral ones.
A study led by Washington University in St. Louis found that nonlethal parasitic infections reduce herbivory rates and trigger trophic cascades impacting plant communities. The research used a mathematical model and global meta-analysis to highlight the ecological consequences of common parasitic infections in wild animals.
A new canine coronavirus variant has been identified in human patients with pneumonia, showing a shift from infecting both the intestines and respiratory system to only the respiratory system. Researchers used state-of-the-art tools to assess evolution pressures that may have influenced this shift.
The 100-year-old BCG vaccine has been found to protect newborns and young infants against multiple bacterial and viral infections, including COVID-19. The study identified changes in metabolite and lipid profiles that correlate with innate immune system responses.
Researchers at the Babraham Institute found that two RNA binding proteins, ZFP36 and ZFP36L1, play a crucial role in T cell development and function. The absence of these proteins enhances the potency of T cells during viral infections, leading to improved cytotoxic immune responses.