Articles tagged with Anthrax
Researchers at Tulane University have developed the first vaccine able to protect nonhuman primates from melioidosis, a long-neglected and deadly tropical disease on the rise. The vaccine uses outer membrane vesicles to trigger a powerful immune response.
Researchers at University of Pittsburgh developed a new treatment approach for anthrax by reactivating the ERK pathway with a combination of growth factors. This method shows promise for treating the disease beyond its typical point of no return, offering hope for patients diagnosed late in the illness.
Researchers have discovered a protein called MdfA that enables bacteria to shut down into dormant spores under extreme conditions. This process allows bacteria to survive in uninhabitable places and evade hospital cleaning, making them potentially deadly superbugs.
The study found that the interaction between two organelles in the cell, the endoplasmic reticulum and Golgi apparatus, controls the transfer of cholesterol to the plasma membrane. This process is crucial for maintaining proper lipid composition at the cell surface.
Researchers have engineered an enzyme that can degrade the capsule of antibiotic-resistant B. anthracis bacteria, making it susceptible to the immune system. The new treatment, which combines the enzyme with a mouse antibody, shows promise in treating anthrax infections without antibiotics.
A study published in Nature Neuroscience reveals that a deadly anthrax toxin can block multiple types of pain in mice by altering signaling in pain-sensing neurons. This approach offers a novel precision-targeted pain treatment strategy without the widespread systemic effects of current pain-relief drugs.
Scientists have developed an enzyme that degrades the capsule surrounding the bacterium that causes anthrax, reducing virulence and protecting mice from infection. The treatment, known as PEG-CapD-CPS334C, is a promising avenue for treating multidrug-resistant anthrax and other bacterial infections.
Humans developed natural genetic resistance to anthrax by having a diet of more ruminants and experiencing agricultural practices, leading to fewer anthrax receptors. European populations showed an even greater reduction in anthrax receptor expression compared to other human populations.
A team of researchers tracked the movements of hippos in Ruaha National Park, Tanzania, to better understand how anthrax outbreaks spread. They found that infected individuals roamed just as much as healthy hippos, highlighting the importance of wildlife movement in disease transmission.
A new oral anthrax vaccine is being developed by Texas A&M researchers to protect livestock and wildlife from the deadly disease. The vaccine, which uses a gel-like suspension of live bacteria, could potentially be distributed through bait to reach animals more easily.
Researchers at Drexel University's C. & J. Nyheim Plasma Institute are modifying an air sterilization system to combat COVID-19. The technology uses cold plasma to neutralize or remove viral particles from the air, with a successful prototype already proven effective against anthrax spores.
A study by Zoological Society of London reveals 55 UK animal species have been displaced due to climate change, with invertebrates most affected. The research highlights the need for a centralized platform to track and mitigate the impacts of climate-driven species movement.
Researchers develop Nanobodies that target the Sap S-layer protein on the surface of the anthrax bacterium, slowing its growth and killing it. The study provides hope for a new treatment option to combat this deadly disease.
A systematic evidence review found that behavioral therapy is generally more effective than pharmacologic therapies in improving outcomes for women with urinary incontinence. The review included 84 studies and showed that all interventions studied resulted in better UI outcomes than no treatment.
A new agent has been developed to combat anthrax by reprogramming the human immune system's siderocalin protein to neutralize a special iron complexing agent produced by the bacterium. This approach is expected to provide an effective treatment against the life-threatening infection.
Researchers developed a virus nanoparticle vaccine against anthrax and plague, providing complete protection in animal models. The dual vaccine was effective even when animals were exposed to lethal doses of both pathogens.
Researchers analyzed over 400 anthrax strains and found that human and animal samples tend to have more virulent plasmids than environmental sources. The study suggests a correlation between plasmid copy number and virulence, offering new insights into the severity of specific anthrax strains.
Researchers have identified key pathways and mechanisms underlying viruses and infections, opening new avenues for treatment. The studies found that targeting the Hedgehog pathway may reduce severity of flu symptoms and could lead to effective treatments for anthrax infection.
Sandia researchers focus on decontamination foam development and sampling methods to determine contamination extent. The Underground Transport Restoration project explores subway system cleaning protocols and testing new decontamination methods in a mock system.
Researchers discovered anthrax prevalent among Taï National Park's mammal carcasses, killing 31 of 55 chimps. The disease poses a significant threat to endangered species and emphasizes the need for long-term infectious disease studies.
Researchers discovered that anthrax spores stimulate the host immune system by activating a distinct set of immune sensors that don't recognize the active form of Bacillus anthracis. This triggers an unfavorable immune response, hindering the body's fight against the bacterium after germination.
Researchers at TGen and NAU used deep DNA sequencing to recreate the anthrax genome from Sverdlovsk, Russia victims, providing a precise examination of the anthrax strain used in Soviet biological weapons development. The study's findings put the strain into a global context, enabling forensic tracking and identification.
Researchers found that combining anthrax toxin proteins with chemotherapy drugs can selectively target blood vessel cells feeding tumors, reducing tumor growth. The treatment regimen showed durable anti-tumor effects in mice, warranting further exploration for cancer therapy.
A new anthrax capsule vaccine has been found to completely protect monkeys from lethal inhalational anthrax infection. The study suggests that the capsule is a highly effective vaccine component that could be incorporated into future generation anthrax vaccines, offering a safer alternative to existing protective antigen-based vaccines.
Researchers found that hippos consume meat, challenging their dietary status as herbivores, and increasing their susceptibility to anthrax outbreaks. This behavior may be linked to the unique characteristics of antelope carcasses infected with anthrax.
Scientists have developed a fast method to sequence irradiated anthrax spores, which can aid in tracking biocrimes. The new approach uses computer programming to reconstruct full DNA sequences from broken fragments.
The Oklahoma Medical Research Foundation has received a five-year, $14.5 million grant from the National Institutes of Health to continue its research on anthrax and its effects on humans. The project aims to identify new vaccines and drug targets by studying the human immune response to anthrax bacteria.
Researchers have identified a section of the anthrax toxin Lethal Factor that could help produce a more effective vaccine. A 10-year study found that this protein elicits a highly effective immune response and works across a wide range of people, making it a promising target for future vaccines.
Researchers at the University of Missouri have developed a new method for anthrax detection that can identify anthrax in just five hours, compared to current tests which take 24-48 hours. The new method uses a bioluminescent reporter phage to detect anthrax bacteria and rule out false positives.
A universal language is proposed to classify organisms by their genome sequence, enhancing the current biological naming system. This new system adds further information to classify organisms and enables rapid identification of new ones.
Researchers have discovered a new bacteriophage that infects the bacterium causing anthrax, offering potential solutions for detection and treatment. The phage, named Bacillus phage Tsamsa, is unusually large and can target not only anthrax but also closely related bacteria.
Researchers discovered that anthrax toxin can hide out in human cells for days, avoiding detection by the immune system and cellular machinery. The findings explain why antibiotics are often ineffective against anthrax infections, making it a lingering threat.
Researchers at EPFL have discovered that the lethal factor of anthrax bacteria can travel undetected through the body for days using exosomes, evading the immune system and medical analysis. This mechanism explains why some organisms succumb to the disease up to two weeks after the disappearance of bacterial presence.
Researchers have identified the cells targeted by anthrax toxins, which can cause illness and death. Lethal toxin targets heart cells and muscle cells surrounding blood vessels, while edema toxin targets liver cells.
A new hypothesis explains how anthrax toxins escape the endosome, potentially leading to a more effective cure. The NIST/USAMRIID team suggests that complexes of LF or EF bound to PA are active toxins inside cells.
Researchers developed a mathematical model to estimate anthrax infection risk, estimating that inhaling 11,000 spores would be needed to reach a 50% chance of infection. The study also found the optimal time to take antibiotics is 60 days after exposure.
Researchers have discovered a novel compound, anthracimycin, produced by an ocean microbe, which exhibits potency against anthrax and methicillin-resistant Staphylococcus aureus (MRSA). The finding highlights the vast resource of new materials in the oceans for treating various diseases and illnesses.
Researchers caged dead zebras to study anthrax spread and found that scavengers' role is less significant than previously believed. The study suggests re-evaluating practices aimed at keeping scavengers away from anthrax carcasses.
Researchers at Sandia National Laboratories are developing a medical device that can quickly detect a suite of biothreat agents, including anthrax, ricin, and botulinum. The device will be used in emergency rooms to respond to bioterrorism incidents.
Researchers discover Anthrax Toxin Receptor 2a (Antxr2a) plays a crucial role in orienting cell division during embryonic development, guiding the positioning of chromosomes and mitotic spindle. This finding sheds light on the physiological function of Antxr2a and its potential involvement in other biological processes.
A team of Cardiff University scientists is working on a NATO project to develop an effective anthrax vaccine against the threat of bioterrorism. The goal is to protect civilians and workers at risk from infection with Bacillus anthracis.
Researchers developed a chlorinated form of silk that kills bacteria and spores in minutes, offering potential uses for protective coatings and water purification. The treatment, which involves soaking silk in a solution similar to household bleach, has broad applications in various fields.
Scientists create a simple, inexpensive dip-and-dry treatment to convert ordinary silk into a fabric that kills disease-causing bacteria, including anthrax spores. The new 'killer silk' has potential uses for protective coatings, water purification, and mitigating toxic substances.
Researchers found that variation in the level of expression of a gene called CMG2 affects the success of the anthrax toxin in gaining entry into human cells. The study highlights the importance of host genetics in determining individual susceptibility to pathogens like anthrax, HIV, and malaria.
A new anthrax capsule vaccine protects monkeys from lethal infection, offering a non-toxin alternative to current vaccines. The vaccine works by inducing anti-capsule antibody responses and is expected to be effective against vaccine-resistant strains of anthrax.
A new study reveals four distinct configurations of the SBP8a bacteriophage, showing its ability to penetrate anthrax cells and control DNA flow. The discovery provides an initial blueprint for modifying the phage into a detection tool for anthrax and other bioterror agents.
Natural killer cells, part of the immune system, can detect and kill anthrax bacteria both inside and outside human cells. The cells' rapid response may provide a crucial boost to treatment, potentially improving antibiotic effects.
Researchers highlight the importance of clinicians recognizing signs of bioterrorism threats. Behavioral-based weight loss treatments have been shown to be safe and effective, yielding clinically meaningful results. Additionally, proper selection and programming can make MRI scans safe for cardiac device patients.
Researchers developed a portable nano detector that can identify anthrax in 15 minutes, detecting as few as 40 microscopic cells. The device uses PCR to amplify target DNA and integrates sample preparation, making it more convenient than existing systems.
A Danish chemist has created a synthetic version of a bacterial endotoxin, revealing the mechanism behind deadly Gram-positive infections. The breakthrough could lead to the development of new and effective types of antibiotics.
Researchers have uncovered a crucial survival response in the body's immune system to deadly anthrax infections. The study found that a key signaling molecule ATP is released from infected macrophages to alert other immune cells, triggering a complex pathway to combat the bacteria.
Researchers at University of Maryland developed a genetic 'fingerprinting' tool to track down microbial suspects. By analyzing DNA sequences and identifying unique mutations, they helped the FBI link anthrax-laden letters to a specific test tube at Fort Detrick.
Researchers from the Institute for Genome Sciences used genomics and microbiology to investigate the 2001 anthrax attacks, tracing the spores back to a flask containing Bacillus anthracis. The investigation led to the identification of Bruce Ivins as the perpetrator, marking the first use of microbial forensics in a criminal case.
Researchers found that anthrax bacteria use CMG2 receptors to impair the scavenging action of neutrophils and macrophages, allowing the bacteria to multiply and overwhelm the body's defenses. Studying genetically modified mice revealed that mice without CMG2 receptors on immune cells were completely resistant to infection.
A Tel Aviv University scientist has developed a small, portable sensor that can detect multiple kinds of explosives with unprecedented reliability and efficiency. The sensor, which uses nanotechnology advances, is more sensitive and reliable than any sniffer dog and can detect explosives at a distance.
Professor Cesare Montecucco has won the prestigious Paul Ehrlich and Ludwig Darmstaedter Prize for his significant contributions to understanding bacterial diseases. The award recognizes his research on tetanus, botulism, anthrax, and Helicobacter pylori-associated diseases.
The National Institute of Allergy and Infectious Diseases (NIAID) has awarded contracts to develop three biodefense vaccines to protect against dengue, anthrax, and other emerging infectious diseases. The vaccines aim to improve vaccine delivery and immune response for large-scale protection.
An antibacterial enzyme found in human tears and body fluids, lysozyme has the potential to eliminate anthrax-producing bacteria from processed foods. The study shows that lysozyme application can kill Bacillus anthracis spores, including avirulent forms.
Researchers have made significant progress in developing new medical technologies to combat the anthrax threat. Promising new treatments include a long-sought inhalable vaccine that can be self-administered without a needle, as well as new antibiotics and medicines that can block the effects of anthrax toxin.
The US military has developed a set of ultra-strength cleaners that can effectively neutralize toxic chemicals, including nerve gas and mustard gas. The new decontamination agents are non-toxic and based on ingredients found in foods, cosmetics, and other consumer products.