Articles tagged with Endotoxins
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Researchers at North Carolina State University found a strong link between cockroach infestations and high levels of allergens and endotoxins in homes. Eliminating cockroaches significantly reduced these health risks, with most infested homes without extermination showing large amounts of both allergens and endotoxins.
In Canadian First Nations houses in remote northern communities, researchers found strikingly high levels of CO2, mold damage, and endotoxins. These findings could explain the high rates of respiratory illness in these areas.
Pharmaceutical scientists from the National University of Singapore have developed multi-functional synthetic peptide nanonets for relieving inflammation caused by bacterial infection. These nanonets trap bacterial endotoxins and pro-inflammatory cytokines, achieving anti-inflammatory activity through selective binding.
Researchers found that high-fat diets increase levels of gut-derived bacterial toxins and systemic inflammation, promoting atherosclerosis. The study suggests targeting interventions for individuals at risk of developing heart disease.
Researchers developed a fast and cost-effective method to detect amphiphiles, a ubiquitous family of chemical compounds used in disease diagnosis and toxin detection. The new test uses rolling droplets on microstructured surfaces to detect levels of pathogenic endotoxins in water at ultralow concentrations.
Researchers discovered that pain neuron-derived peptide Reg3gamma suppresses microglial IDO1, a key enzyme of the kynurenine pathway, and enhances brain ATP production. This discovery provides novel insights into understanding tolerance to endotoxic death.
A study found frequent rates of respiratory infections in children under 3 years of age in isolated First Nations communities, related to poor housing conditions. High levels of mould and endotoxin were also detected, with 85% of houses lacking controlled ventilation.
A study from the University of South Carolina's Environmental Health & Disease Laboratory found that andrographolide successfully restored bacteriomes and viromes, increasing beneficial bacteria and decreasing harmful bacteria. The treatment also decreased gut inflammation and neuroinflammation in veterans with Gulf War Illness.
A new protocol developed by San Diego State University researchers can produce therapeutic phages in as little as two to three weeks, cutting the typical processing time in half. The guidelines combine traditional techniques with modern filtration technology to reduce endotoxin levels and increase phage yields.
A study by Harvard T.H. Chan School of Public Health found that 27% of popular e-cigarette products contained endotoxin, a microbial agent found on Gram-negative bacteria, while 81% contained glucan, a fungus cell wall component. Exposure to these toxins has been linked to respiratory problems and inflammation in humans.
Researchers at Kumamoto University have developed a new polysulfide donor that strongly suppresses inflammatory responses. The compound artificially increases reactive sulfur species in cells, leading to reduced inflammation and improved survival rates in mice with endotoxin shock.
A recent study by TUM and HMGU researchers found that mugwort pollen is the primary vector for bacteria, releasing endotoxins that trigger severe respiratory problems in asthma sufferers. The research team discovered a clear correlation between mugwort pollen and bacterial toxins in both urban and Alpine regions.
Researchers developed macrophage nanosponges that can safely absorb and remove endotoxins and pro-inflammatory cytokines from the bloodstream. These nanosponges improved survival rates in mice with sepsis by preventing systemic inflammation and reducing bacterial counts.
Acute or chronic gut issues can arise from excessive exercise, leading to compromised gut function and increased risk of health complications. Low to moderate physical activity may be beneficial for patients with irritable bowel syndrome or inflammatory bowel disease.
Exposure to bacteria particles and farm dust blunts inflammatory immune responses in children, protecting them from allergies. The protective effect is linked to the anti-inflammatory enzyme A20, which squashes pro-inflammatory molecule generation in lung epithelial cells.
Researchers at Monash University found that extreme endurance events can lead to sepsis and systemic inflammatory response syndrome. Fitter individuals with a steady training program can adapt and counteract this effect without side effects.
Researchers discovered a plant immunosensor that detects lipopolysaccharide, a substance occurring in pathogenic bacteria. The LipoOligosaccharide-specific Reduced Elicitation (LORE) protein initiates an immune response in plants, similar to the toll-like receptor 4 in mammals.
Researchers have created a device using microchannel technology that can remove endotoxins from blood, preventing sepsis. The technology may offer an alternative to antibiotics and could be used as a prophylactic treatment.
A new study found that a single episode of binge drinking can cause bacterial leakage from the gut into the bloodstream, leading to increased levels of toxins. This results in an immune response, producing fever, inflammation, and tissue destruction, according to researchers at UMMS.
Researchers have developed 61 new strains of genetically engineered bacteria that can boost the immune response to vaccines. The bacteria are designed to express endotoxin molecules in different configurations, creating a range of potential adjuvants for vaccine design.
Research by Imperial College London found that babies and toddlers with congenital heart disease have higher levels of toxins in their blood after surgery, leading to longer intensive care stays. The study suggests a link between gut bacteria, bacterial fragments called endotoxins, and poor clinical outcomes.
Researchers have discovered liquid crystals that can detect low concentrations of bacterial endotoxin with high sensitivity. This breakthrough has the potential to replace the current LAL assay using horseshoe crab blood, reducing costs and variability associated with the test.
Researchers at UW-Madison discovered that liquid crystal droplets change ordering in response to low concentrations of endotoxin, a bacterial lipid. This defect-driven phenomenon offers a highly sensitive detection method for bacterial contamination.
A study found that insulin lowered inflammation and oxidative stress in participants injected with LPS, a common bacteria. Insulin also reduced pro-inflammatory factors and reactive oxygen species generated by the endotoxin.
A study of young adults in Mexico City found that exposure to particulate matter and endotoxins can cause chronic inflammation in the heart, increasing the risk of heart disease. The research highlights the importance of understanding how air pollution affects the human heart, particularly in vulnerable populations.
Research shows that early-life exposure to both outdoor traffic-related pollution and indoor endotoxin can cause more harm to developing lungs than one or the other exposure alone. Children exposed to high levels of both have a six times higher risk of persistent wheezing.
A study found that CD14 rs2569190/C-159T gene variants are associated with the formation of portal lymphoid aggregates in chronic hepatitis C patients. These aggregates were also correlated with moderate and severe hepatic inflammation, but not with fibrosis progression.
Researchers found that a novel therapy combining antibiotic-based hemoperfusion with conventional treatment significantly reduced mortality and improved blood circulation and organ function in patients with severe sepsis. The study's results suggest potential benefits for endotoxin-targeted therapy in septic shock.
A new study found that lower levels of endotoxin in young children's homes are associated with a higher risk of developing wheezing or eczema by age 3. Certain environmental factors such as older home conditions and carpeting increase endotoxin levels, while genetic predisposition may also play a role.
A new study published in the Journal of the National Cancer Institute found that female Chinese textile workers with high-level exposure to bacterial endotoxin have a 40% decreased risk of developing lung cancer. The researchers also noted that the protective effect was strongest for women exposed early in their career.
A study by the University of Cincinnati has found that infants living in homes with high levels of endotoxins and multiple dogs were more than two times less likely to wheeze. The researchers suggest that pet ownership may offer a protective effect against development of lower respiratory symptoms in young children.
A new study published in Environmental Health Perspectives found that dogs in the home can increase cough, phlegm production, and bronchitis responses in children with asthma. The researchers speculate that endotoxin from dog dander may be the cause of this increased response.
A study found significant relationships between household endotoxin levels and diagnosed asthma, recent symptoms, and wheezing. The strongest effects were observed in adults, with lower levels of endotoxins in bedding compared to kitchen floor dust.
Researchers found a strong association between endotoxin levels and asthma prevalence, with bedroom floor and bedding dust having the highest concentrations. Exposure to endotoxins worsens asthma symptoms in adults, regardless of allergy status.
A US study of nearly 500 infants found that higher levels of endotoxin in the home were associated with a lower risk of developing eczema during their first year of life. Infants living in homes with dogs also had a reduced risk of eczema, but this relationship was weakened when adjusting for endotoxin exposure.
A study suggests that viral infections like RSV can increase the expression of Toll-4 receptors on airway cells, leading to a heightened response to endotoxin exposure and potentially causing asthma exacerbations. This increased sensitivity could also make airways more responsive to other environmental exposures.
A new study from the University of North Carolina Health Care found that exposure to ozone and endotoxin can make asthmatics more sensitive to house dust mites, worsening their symptoms. The research involved 14 participants with mild asthma who inhaled low levels of endotoxin, followed by an allergen challenge test.
A German study found exposure to house dust endotoxin is associated with lower allergic sensitization in school children. Researchers also discovered that females are more sensitive to coughing agents than males. Occupational exposure to dust and fumes is linked to increased respiratory symptoms and asthma risk.
Researchers at the University of Iowa discovered a link between genetic mutations in the TLR4 gene and differences in human response to inhaled endotoxin. The study found that individuals with specific mutations were less responsive to endotoxin, but may be more susceptible to blood-borne infections.
Research suggests that high levels of environmental endotoxin in homes with sensitive children may drive the immune system to produce cytokines that inhibit processes leading to asthma. Conversely, homes with children who are not sensitized to common allergens have significantly higher endotoxin levels.
A recent University of Iowa Health Care study found that genetic factors and sex differences significantly affect human responses to endotoxin, with women more likely to experience declined airway function. The study examined 72 individuals without respiratory conditions and discovered a wide range of reactions to the contaminant.
Scientists at Cedars-Sinai Medical Center have identified a key component of the immune system's over-aggressive response that leads to septic shock. The discovery confirms suspicions raised by recent studies and may lead to new treatment approaches for severe bacterial infections.