Articles tagged with Toxins
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Researchers at the University of Central Florida have developed a technique to detect cholera toxin using a complex sugar and nanoparticles. The method could provide faster and less expensive results than current detection methods, enabling relief workers to restrict access to contaminated sources.
Researchers at Newcastle University found that honeybees can avoid toxic nectar through taste and learning, suggesting a potential factor in colony health under stress. The study highlights the importance of understanding how bees detect and avoid toxins to breed non-toxic plants.
A new technology using tiny protozoa to detect toxins in water sources may provide unprecedented assessment of the world's water supplies. The Swimming Behavioral Spectrophotometer (SBS) can detect chemicals, pesticides, and biological warfare agents with near-instant feedback.
A groundbreaking study by Professor Douglas Kell found that poorly-bound iron causes the production of hydroxyl radicals, leading to degenerative diseases. Purple fruits and green tea are identified as excellent sources of iron chelators, which can bind iron tightly.
Researchers have isolated P450 compound I, a highly reactive chemical species involved in human metabolism of pharmaceuticals, enabling larger-scale studies to understand its chemical reactions. This breakthrough has significant implications for medicine and basic chemistry, driving research into specificity control.
Research in Tanzania found a significant association between fumonisin exposure and stunting/underweight in infants, highlighting the need for food screening. The WHO maximum tolerable daily intake is often exceeded, especially with maize-based complementary foods.
Researchers at Brown University have discovered a couple of prime suspect genes, MqsR and MqsA, that control the formation of biofilms by regulating persister cell growth. The investigation provides a new avenue for developing novel sets of antibiotics targeting these proteins.
Researchers found that Mexican cavefish exposed to a natural fish toxin developed resistance, passing tolerant genes to offspring. This adaptation was triggered by an indigenous ritual that was discontinued due to government pressure, revealing the power of natural selection in response to human activity.
Researchers have identified a potential new drug combination for treating diffuse large B cell lymphoma and found potential therapeutic targets for Noonan syndrome. The combination of an inhibitor of BCL6 with either an HDAC protein or Hsp90 protein showed enhanced killing of cancer cells in vitro and potent suppression of tumor growth...
Millions in China's Guizhou province suffer from fluorosis due to air pollution from burned coal, leading to dental problems and joint pain. The Chinese government has implemented programs to improve ventilation in homes and reduce particulate matter.
A study found that botulinum toxin treatment reduced drooling in children with cerebral palsy and other neurological disorders by an average of 50% after two months. The treatment's effects lasted for approximately 22 weeks, with some patients experiencing continued relief up to one year.
Case Western Reserve researcher Menachem Shoham discovered new anti-pathogenic drugs that prevent MRSA's production of toxins, rendering the bacteria harmless. The drugs block the activation of a key bacterial protein, AgrA, preventing toxin release and serious infections.
A USGS study found that taste-and-odor compounds are commonly associated with cyanotoxin presence, highlighting the need for increased surveillance and public alert systems. Cyanotoxins can be poisonous to people, aquatic life, pets, and livestock, causing symptoms like skin rashes, stomach upset, seizures, or death.
A man-made chemical enzyme has been used to neutralize glycoside esculin, a toxin found in horse-chestnuts, demonstrating the feasibility of 'Chemzyme' technology. The artificial enzyme's resilience and designability make it a promising solution for various industrial applications.
A USDA study uses near infrared light technology to quickly evaluate individual kernels of wheat and barley for resistance to scab disease. This allows breeders to rapidly select for resistant varieties, minimizing yield losses and promoting international food security.
A randomized controlled trial of 48 patients found that botulinum toxin injections significantly reduced pain at rest and during maximum pinch, but resulted in a decline in maximum strength. Precise measurement of each patient's forearm length guided the injection site, providing effective management of chronic tennis elbow.
Researchers have discovered two compounds that allow cells to survive attacks from ricin and Shiga-like toxins, rendering them immune to these deadly threats. These compounds work by blocking the toxins' escape via cellular components, providing potential countermeasures against bioterrorism.
Researchers discovered that algae, specifically Karlodinium veneficum, emits toxins to stun and immobilize its prey, which could lead to new ways to slow bloom growth. By reducing nutrient load and promoting filter feeders like the Eastern oyster, blooms may be reduced.
A combination of two fully human monoclonal antibodies shown to reduce Clostridium difficile (C. difficile) infection recurrence by 72%. The treatment resulted in a significant reduction in disease relapse, offering new hope for patients battling this debilitating condition.
A strip of paper infused with carbon nanotubes can quickly and inexpensively detect microcystin-LR, a chemical compound produced by cyanobacteria, found in nutrient-rich waters. The biosensor works by measuring the electrical conductivity of the nanotubes in the paper, changing their conductivity when the toxin is present.
UCI scientists identify protein PT as the key to making aflatoxin, a toxin produced by mold on nuts and grains that can cause liver cancer. The discovery could lead to methods of limiting its production and developing new inhibitors to prevent liver cancer.
Researchers at Clemson University found evidence that toxin-producing algae played a deadly role in mass extinctions. The scientists analyzed ancient algal deposits and found that these algae were present in sufficient quantities to kill off plants and animals.
Researchers have discovered that sponges soaked in Botox can effectively treat intrinsic rhinitis, a condition affecting millions of people. The minimally invasive application method resulted in improved symptoms and a long-lasting reduction of nasal hypersecretion.
The 'Dust Alert' sensor measures dust, pollen, and toxins in the air, providing real-time contamination levels and precise chemical composition analysis. This invention can help improve air quality, mitigate health risks, and provide critical information for urban planners.
Researchers at Iowa State University are exploring a new method of controlling soybean aphids without using chemical pesticides. They aim to genetically modify soybeans to produce a toxin that is lethal to aphids but harmless to mammals.
A new optoelectronic nose can detect and identify 19 toxic industrial chemicals, including ammonia and sulfur dioxide, in a matter of seconds. The wearable sensor uses a disposable array with 36 dyes that change colors when exposed to different chemicals.
Researchers have identified novel bacterial strains capable of breaking down microcystins, a toxin produced by blue-green algae. These bacteria can be used to create a reliable and cost-effective purification system for removing microcystins from contaminated water.
A new study finds that garlic mustard's fungus-killing toxin levels decrease over time, undermining its invasive advantage. This decline enables native plants to return and outcompete the invasive species.
Researchers have enhanced a technique using algae as sentinels to detect toxins in municipal water supplies, showing broader applications and real-world results. The technology can be applied across various environments, even when algae are starved for nutrients.
Researchers will analyze toxic chemicals' impact on human health and potential causes of serious diseases like Parkinson's and Alzheimer's. The three-year project uses zebrafish and mouse models to speed up testing and provide new information on chemical risk assessment.
Researchers found a potent staph toxin responsible for disease severity and its connection to antibiotic resistance. The study identified the gene encoding the toxin, which is transmitted through horizontal gene transfer.
Researchers at McMaster University developed a method for printing toxin-detecting biosensors on paper using an inkjet printer, utilizing lateral flow sensing technology. The sensors retain enzyme activity for months, making them suitable for monitoring environmental toxins and detecting diseases in remote settings.
A study published in PLoS Biology reveals that fruit flies can detect and avoid the plant toxin L-canavanine using a modified glutamate receptor called DmXR. This detection is crucial for their survival, as consuming the toxin can lead to reproductive failure.
A new NIST assay using a 'glow or no glow' technique can detect ricin, a lethal toxin, at low doses and measure its potency with high precision. This standardized sample will aid in the accuracy of detection equipment and decontamination procedures.
Researchers at University of Western Ontario discovered that superbugs like Staphylococcus aureus can manipulate the immune system to prevent toxic shock syndrome. The study identifies a mechanism by which the bacteria bind to immune cells and produce an anti-inflammatory protein, allowing them to evade the host's defense.
A study by PNNL researchers found that smoldering fires produce more toxins than wildfires, which can affect aquatic and terrestrial ecosystems. The discovery also suggests that smoke may play a role in transporting biologically useful nitrogen through the environment.
A MSU researcher has developed a working vaccine for Enterotoxigenic E. coli, responsible for 60% of all E. coli diarrheal disease. The vaccine could save untold lives and also provide relief from post-operative complications such as paralytic ileus and urinary retention.
A study published in Molecular Ecology found that woodrats have genetic detoxification genes that enable them to consume creosote bushes, which are coated with a toxic resin. The researchers also discovered that these animals adapt their diets in response to climate change, and the findings may provide insights into how humans can modi...
Clostridium perfringens produces a potent toxin that promotes tissue damage, inflammation, and heart effects, posing significant risks to poultry and diabetic individuals.
A new type of botulinum toxin, Reloxin, has been found to be well-tolerated and effective in reducing moderate to severe forehead lines over a period of 13 months. The study involved 1,200 patients who received low doses of the toxin, with minimal side effects reported.
NRL researchers have developed a forceful new method to detect proteins with unparalleled sensitivity and simplicity. The approach can identify as few as 35 attomolar concentrations in under 10 minutes, making it ideal for medical diagnostics, food testing, and national security.
Researchers uncover way to genetically modify Clostridium difficile and solve mystery surrounding its toxicity, revealing toxin B as the cause of severe disease. The discovery has the potential to save lives and healthcare systems billions of dollars annually.
Researchers have long focused on Toxin A, but a new study reveals Toxin B is the real culprit behind C-diff's deadly effects. The discovery has significant implications for treatment and prevention strategies.
High-flux hemodialysis reduces the risk of premature death in patients with CKD by eliminating large toxins. Patients with diabetes showed a significant survival benefit from high-flux dialysis, while benefits were not observed in all patient groups.
A team of scientists led by Professor Chris Elliott is developing new tests to detect chemical contaminants in food and animal feed. The Conffidence project aims to provide simple, inexpensive, and rapid methods to detect a wide range of toxins, including pesticides, heavy metals, and plant natural toxins.
Researchers have identified a set of genes responsible for producing the deadly toxin botrydial in gray mold, and found that shutting off this gene can stop toxin production. The discovery offers hope for finding natural ways to eliminate gray mold without using expensive fungicides.
Researchers have found a potential treatment for ciguatera poisoning using the compound brevenal, which can block the effect of the toxin on sodium channels. Currently, there are few effective treatments available for acute impact of ciguatera poisoning on humans and marine mammals.
Researchers discovered that the small intestine can detect bitter toxins in food, slowing digestion and producing hormones that suppress appetite. This finding has potential applications for treating ailments like cancer and diabetes, and may explain why certain populations adapt to eat local foods that are toxic to outsiders.
A low-cholesterol diet can trigger an increase in bitter taste receptors (T2Rs) in the gut, according to a new study. This may help limit the absorption of toxins in the intestine.
New research suggests that Botox can positively impact first impression judgments in relation to attractiveness and dating success. Facial appearance plays a significant role in shaping these perceptions, and cosmetic surgery has been shown to improve them.
Researchers explore 'dissimilatory metal reduction' to convert selenate into less-toxic elemental selenium, with potential for recovery and reuse. The process is efficient but requires careful temperature control to minimize formation of ecotoxicological risks.
NOAA researchers discovered that inhaled brevetoxins from red tides can damage DNA and attach to genetic code, potentially leading to cancer. Long-term exposure could add to cumulative DNA damage, increasing cancer risk.
A new study found that low-dose exposure to domoic acid during fetal brain development can lead to epileptic seizures and behavioral abnormalities in California sea lions. The toxin is produced by harmful algal blooms, which are increasingly common in the sea lions' habitat.
A recent study highlights the importance of understanding C. difficile's toxins and virulence factors, which can cause severe hospital-acquired infections. The research also explores the bacteria's transmission, symptoms, and treatment options, including the development of a potential 'designer' probiotic.
The American Academy of Neurology recommends botulinum toxin as an effective treatment for conditions such as cervical dystonia, spasticity, and excessive sweating. However, the toxin is not recommended for migraine or chronic tension-type headache treatment.
Infections caused by PVL-Staphylococcus aureus can lead to necrotising haemorrhagic pneumonia with high mortality rates. The UK has seen an increase in PVL-related disease, with around 2% of Staphylococcus aureus strains producing the toxin.
Researchers found that disabling the ZFR1 gene reduces toxin production by 82% in Fusarium verticillioides on corn kernels. The study identified a specific sugar transporter, FST1, necessary for FB1 production, which acts as a molecular sensor for toxin creation.
A combination of an insect protein and Bt toxin kills crop pests more effectively than either ingredient alone, inhibiting growth rate and reducing resistance. Researchers found a synergistic effect increasing mortality rates by over 10 times.
Researchers found that snakes in some areas have developed extreme resistance to tetrodotoxin, a toxin produced by poisonous newts. This means that the newts' toxicity levels are no longer effective against these snakes, allowing them to thrive and even dominate the populations.
Scientists at Rutgers University have made a breakthrough in understanding the mechanism of ricin-induced cell death. By inhibiting a natural defense mechanism called unfolded protein response (UPR), researchers may develop new therapeutic agents to counteract ricin poisonings, which can also be triggered by certain bacteria.