Articles tagged with Viral Infections
In some sub-Saharan African countries, up to 88% of adolescents express vaccine hesitancy due to safety and efficacy concerns. The study identifies determinants of this phenomenon, shedding light on strategies to improve vaccination rates in the region.
Researchers mapped the spread of pathogens in wild macaque populations near human settlements, finding that monkeys with high human interactions cause larger outbreaks. The study used computer simulations to predict disease transmission and identified key factors influencing outbreak size.
Researchers found that certain fungal species in tumors are linked to inflammation and reduced cell-to-cell adhesion, features associated with late-stage cancer spread. High levels of these fungi may serve as biomarkers for metastasis risk and lead to more effective treatment choices.
Researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts. The study found enhanced foraging opportunities to be a key benefit of interspecies social interactions, with apes sharing knowledge of diverse plant species.
Researchers developed a highly effective and safe Zika vaccine technology that prevents systemic infection in pregnant mice and stimulates an immunogenic reaction. The vaccine was tested in various mouse models, proving safe and protective against the virus.
Scientists analyze environmental data to find temperature, rainfall, and pastureland areas as key factors contributing to viral transmission. The researchers project that areas hospitable to Lassa virus spread may extend into Central and East Africa in the next several decades.
Researchers have identified two NLRP sensors, NLRP1 and CARD8, as key players in Coxsackievirus B3-induced heart inflammation. Targeting CARD8 may prevent CVB3 infections from progressing to heart failure. The study provides new insights into the inflammatory response triggered by this common viral cause of viral myocarditis.
A team of scientists from SMART and NTU Singapore has developed a quick test kit that can determine a person's immunity against COVID-19 and its variants based on antibodies detected in a blood sample. The test kit, which requires just 10 minutes to show results, can be easily adapted for new variants of concern and other diseases.
The study proposes a model to understand the complications caused by zika virus infection during pregnancy. The researchers found that zika virus alters protein expression in neural cells, affecting energy production and RNA metabolism, which can lead to defective myelination and microcephaly.
A literature review found that only 53% of primary research supported the association between land change and zoonotic disease risk. Webpage content often overstated the evidence, neglecting uncertainty. The authors recommend more accurate and nuanced science communication to improve understanding.
A new study published in PLOS Medicine found that people with hospital-treated infections in early- and mid-life had a higher risk of developing Alzheimer's disease (AD) and Parkinson's disease (PD). The research analyzed data on over 291,000 cases and matched controls to identify the association between infections and neurodegenerativ...
Researchers at Cleveland Clinic's FRIC found that cytoskeleton disruption is a key signal for the body to respond to viruses. This discovery has potential implications for developing new anti-viral vaccines and treatments.
The Society for Healthcare Epidemiology of America highlights the need to strengthen antibiotic stewardship programs to address overuse of antibiotics in early stages of viral epidemics. The guidance provides strategies for hospitals and healthcare personnel to improve antibiotic prescribing and diagnostic testing.
Researchers found that gut commensal bacteria enhance the pathogenesis of a tumorigenic murine retrovirus by upregulating genes that suppress the immune response. This ability to evade the immune system allows tumors to develop and progress in mice infected with the virus.
Researchers at La Jolla Institute for Immunology discovered how Zika virus forces dendritic cells to churn out lipid molecules, allowing the virus to build copies of itself. This study provides a major step forward in developing antiviral therapies against multiple flavivirus infections.
Researchers developed a label-free SERS method to detect the cysteine residues of the SARS-CoV-2 spike protein subunit, allowing consistent detection in human blood plasma, mucus, and saliva samples. This technique holds potential for diagnosing SARS-CoV-2 and other viral infections in remote areas.
The NEUROCOV project seeks to understand the interplay between SARS-CoV-2 infection and the nervous system, with a focus on immune response and neuronal functions. The research aims to predict risk for neurological symptoms and develop effective treatments.
The University of California, Davis has received a $10 million grant to continue its work on managing and preventing mosquito- and tick-borne diseases. Researchers will focus on finding effective methods to stop these diseases while training the next generation of public-health scientists.
Researchers have created a stem cell-based model of the human liver, allowing for the study of how Ebola virus infects liver cells. The infected cultures showed that viral infection directly disrupts liver function, while immune cells can transfer the virus to other cells.
A review of evidence found that 2-3% of monkeypox patients experienced severe complications such as seizure or encephalitis. Mood disorders like depression and anxiety were also common among infected individuals.
Exosomes have been identified as possible vehicles for virus transmission, and a recent study found that the saliva protein exportin 6 plays a crucial role in this process. The researchers isolated exosomes from the saliva of insect vectors and showed that they can transport plant virions into rice plants.
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.