Articles tagged with Lungs
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Researchers have found no evidence of lipid accumulation as the cause of vaping-related lung injuries, suggesting a direct chemical injury from noxious fumes instead. The study's findings support concerns about the risks of vaping and call for better regulation and education.
Research suggests that women with polycystic ovary syndrome (PCOS) are more likely to develop poor respiratory health based on lung function tests. PCOS is believed to affect almost one in six women and often runs in families, while also increasing the risk of diabetes, which has been linked to lower lung function.
A six-month low-dose azithromycin treatment significantly reduced symptoms and infection episodes in PCD patients, with a 50% reduction in serious episode episodes. However, mild diarrhoea was more common in treated patients.
Research has linked exposure to BPA in the womb to increased risk of wheezing and poorer lung function in children. The study found that pregnant women with higher BPA levels were more likely to have children who suffered from wheezing, and a doubling of BPA corresponded with a significant decrease in lung capacity.
Researchers at Texas Biomedical Institute are studying lung macrophages and their role in TB infection, with the goal of developing a new set of biological pathways critical to the body's response. The findings could lead to a new strategy for host-directed therapy and potentially cure TB.
Researchers at NIH and Siemens developed a low-magnetic-field MRI system that improves image quality of lungs and other internal structures, making medical imaging more affordable and accessible. The new system also reduces the risk of heating and allows for safer procedures for patients with pacemakers or defibrillators.
Researchers found that women who experience complications such as preterm births and preeclampsia during their first pregnancy are nearly twice more likely than women without complications to develop high blood pressure later in life. The study emphasizes the need for doctors to focus on knowing the health histories of women.
The study found measurable adverse biologic effects on lung health and cells in humans, animals, and tissue samples. Vaping has been linked to increased respiratory symptoms, including bronchitis-like symptoms and asthma, as well as possible lung damage and immunosuppression.
A smart shirt has proven to be accurate in measuring breathing, with results similar to traditional equipment, according to European Respiratory Society research. The Hexoskin senses chest movements and records air volume, heart rate, and movement, making it a practical alternative for monitoring lung function.
A recent study published in the New England Journal of Medicine found that nintedanib slows the progression of a broad range of scarring lung diseases. The medication was shown to be effective in patients with progressive fibrosing interstitial lung disease, regardless of the underlying cause or pattern of lung fibrosis.
Researchers at Emory University School of Medicine identified CXCR6 and CXCL16 as critical molecules for T cells to travel to and populate the lungs. This discovery could lead to designing adjuvants that recruit CD8 T cells into the airways, potentially reducing symptoms or preventing infection.
A study of nearly eight million live births found that air pollutants like particulate matter, nitrogen dioxide, and sulphur dioxide are associated with a 20-50% increased risk of death in babies. Exposure to these pollutants also reduces lung function in children as early as the first trimester of pregnancy.
Researchers found that blocking interleukin-11 protein with therapeutic antibodies can reverse lung fibrosis in a mouse model. This discovery holds promise for treating idiopathic pulmonary fibrosis (IPF), a life-threatening lung disease. Clinical trials are expected to begin by 2021.
Researchers at University of Utah Health identified large immune cells containing oily droplets in the lungs of vaping patients, enabling faster diagnoses and shedding light on the mysterious condition. The discovery may lead to better treatment options and a deeper understanding of the illness's causes.
Researchers found that patients with non-small cell lung cancer who develop checkpoint inhibitor pneumonitis have higher levels of memory T cells in their lungs compared to those without the condition. The study also identified decreased levels of regulatory T cells, which may lead to new ways to treat this complication.
Chronic e-cigarette vapor exposure damages lungs by disrupting normal lung structure and function, reducing immune cell response to viral infections. The study also found abnormal lipid accumulation within resident macrophages, leading to increased susceptibility to diseases like influenza.
A new NIH-funded study found that hospital emergency room closures can adversely affect health outcomes for heart attack patients at neighboring hospitals. Conversely, when a new emergency department opens, health outcomes for those patients improve.
A study by Karolinska Institutet shows that a mobile phone-based treatment adjustment algorithm can improve symptoms and medication adherence in uncontrolled asthma sufferers. The digital tool, AsthmaTuner, analyzes lung function and symptoms to provide personalized feedback and treatment recommendations.
Researchers discovered two distinct sub-populations of interstitial macrophages in the lung, which play a crucial role in preventing asthma development. These sub-populations exhibit different functions, origins, and morphologies, and have distinct local precursors.
A new study suggests that metabolites produced by the body's breakdown of toxins may protect against obstructive airway disease in 9/11 first responders. Researchers identified specific compounds, including protein-building amino acids and omega-3 fatty acids, which are found in diets rich in fish and olive oil.
Preoperative chewing gum use does not affect gastric emptying, while postoperative gum may aid recovery. Chewing gum can be a useful tool to aid recovery and reduce complications after certain types of surgery.
Researchers at Stanford University School of Medicine have found that inflammation in the lungs can wake up a silent genetic defect that causes sudden onset cases of pulmonary hypertension. The study suggests that limiting potential environmental causes of lung inflammation may help prevent the development of the disease.
Researchers from the University of Córdoba have discovered that high-virulence strains of PRRSV cause earlier and greater damage than low-virulence strains. This study aims to develop vaccines that reduce mortality in the pig sector by understanding the behavior of the virus in infected animals.
Researchers identified a drug combination that significantly extends patient survival in lung transplant recipients, offering a potential solution to the median survival rate of less than six years after transplantation. Sirolimus plus tacrolimus was associated with a better median survival than MMF plus tacrolimus.
Scientists have identified a molecular mechanism that causes lung cells to lose their identity, promoting tumor growth. The study reveals how genetic mutations coordinate pathways to drive malignancy in lung cancer, shedding light on mechanisms of tumor progression and influencing drug development.
Researchers have developed a new type of vaccine targeting tuberculosis, providing substantial protection against the deadly disease. The early-stage vaccine was shown to be effective in pre-clinical laboratory settings and demonstrated its ability to stimulate the immune response in the lungs.
Researchers from the University of Calgary have discovered a molecule that can prevent white blood cells from binding to tissues in the lungs, stopping inflammation and potential organ damage. This breakthrough could lead to treatments for conditions like sepsis, acute lung injury, and cancer metastasis.
A new UNC School of Medicine study found elevated levels of protease enzymes in e-cigarette users' lungs, similar to those seen in smokers with emphysema. Nicotine is believed to be the cause of this reaction, which could lead to chronic obstructive pulmonary disease (COPD) and shortness of breath.
A new study finds that long-term exposure to all major air pollutants increases the risk of emphysema by roughly the equivalent of smoking a pack of cigarettes a day for 29 years. Ground-level ozone levels are rising due to climate change, and the US study suggests that this increase may lead to an increased risk of chronic lung disease.
A new study published in the Journal of the American Medical Association found a strong link between long-term exposure to air pollution and an increased risk of emphysema in the US population. The study analyzed data from over 7,000 participants and found that consistent results were found across six metropolitan regions.
Long-term exposure to ozone and other pollutants accelerates emphysema development, even among non-smokers. The study found a strong association between ozone levels and emphysema, with the strongest impact seen in people living in areas with high ozone concentrations.
This observational study found exposure to ozone, fine particulate matter, oxides of nitrogen, and black carbon was associated with increased emphysema progression. Ambient ozone exposure also led to a decline in lung function, while other pollutants had no significant impact.
Researchers found that lung lining fluid from older adults is more prone to dysfunction, allowing bacteria to infect and grow within macrophages. The study suggests that interventions targeting the lung mucosa's oxidative status may help make elderly individuals more resistant to respiratory infections.
Researchers found that even low levels of traffic-related air pollution can cause inflammation and mitochondrial damage in the lungs of mice. The study's results suggest that people living alongside major traffic corridors should be aware of potential respiratory health risks.
A UC researcher has received a $1.9 million grant to study the sexual reproduction cycle of Pneumocystis pneumonia, a pathogen that causes lung infections in immunocompromised patients. Testing echinocandins as a potential therapy could block transmission of the pathogen.
Researchers found that anti-inflammatory biologic therapies can significantly reduce coronary inflammation in psoriasis patients, using a novel imaging biomarker. The study has implications for other chronic inflammatory diseases, such as lupus and rheumatoid arthritis.
A new study found that girls who were moderately to highly physically active in childhood had higher exhalation capacity and greater forced expiratory volume than their inactive peers. The research suggests that promoting physical activity in childhood may have long-term benefits for respiratory health, particularly in adolescent girls.
A study found that smoking impairs the effectiveness of embolization treatment for pulmonary arteriovenous malformations (PAVMs) in patients with HHT. Smokers experienced a higher rate of PAVM persistence after treatment compared to non-smokers, with those who smoked more than 20 pack-years facing a fivefold increased risk.
Lung scarring can lead to pulmonary fibrosis and life-threatening complications. Researchers found increased MMP activity in lung tissue affected by Hermansky-Pudlak syndrome, suggesting a new link for diagnosis and treatment.
A massive study of over 300,000 people found that air pollution significantly reduces lung function and increases the risk of developing COPD. Exposure to high levels of particulate matter and nitrogen dioxide was linked to lung aging equivalent to two years of aging.
A new study by the Francis Crick Institute found that antibiotics can wipe out early flu resistance and leave the lung vulnerable to viral infections. Gut bacteria help maintain a first line of defense in the lining of the lung, but antibiotics can destroy this defense.
Researchers found that gut microbes stimulate antiviral signals in non-immune lung cells to protect against the flu virus during early stages of infection. Enhanced baseline type I interferon signaling reduced flu virus replication and weight loss in mice.
Scientists at the Francis Crick Institute created a comprehensive database of gene activity in mice with ten diseases, allowing researchers to study immune responses without needing actual mice. The database uses next-generation sequencing technology and shows the activity of over 45,000 genes across different diseases.
Researchers discovered that lung macrophages in mice act as 'Trojan horses' carrying fungal spores into the bloodstream. The study sheds light on why certain strains of a fungus are deadly while others are harmless.
A study published in Immunity reveals that the synthesis and breakdown of fats play a crucial role in asthma-related inflammation. Researchers used single-cell RNA sequencing to analyze gene expression in immune cells exposed to house dust mites, finding a unique profile of genes linked to fat metabolism.
A recent study found that including new clinical variables in the lung allocation score improved its accuracy for identifying the sickest cystic fibrosis patients. The updated scoring system also helped patients with chronic obstructive pulmonary disease (COPD) by re-evaluating their pulmonary function testing.
A new NIH-funded study supports a 70% ratio of forced expiratory volume in one second (FEV1) to forced vital capacity (FVC) as an accurate threshold for diagnosing clinically significant airflow obstruction in COPD. This simple approach may lead to earlier detection and treatment, improving patient care and public health.
Scientists have identified a rare genetic mutation causing a fatal respiratory disorder that affects newborns. Using CRISPR/Cas9 gene editing technology, researchers developed a mouse model of the disease and discovered a critical link between FOXF1 mutations and STAT3 deficiency.
A $24.8 million grant-funded longitudinal study will examine the long-term impact of vaping, environmental factors, and lifestyle on lung health in millennials. The study aims to identify risk factors, biomarkers, and early interventions for chronic lung diseases.
Good heart and lung fitness in middle age is associated with a lower long-term risk of chronic lung disease (COPD). Physical activity boosts fitness may delay development, progression, and death from COPD. Studies have suggested that high physical activity levels are associated with reduced COPD risk.
Scientists have created a detailed anatomical map of the respiratory airways, producing the first draft Human Cell Atlas of the lung. The study revealed an entirely new cell state that produces mucus in asthma patients, and large differences between normal and asthmatic lungs.
A hair-sized probe developed by scientists can measure key indicators of tissue damage deep in the lung, improving patient assessment and treatment. The technology offers fast, accurate measurements and flexibility to add more sensors, applicable to other body regions and inflammatory diseases.
Research reveals pressure-sensing protein piezo 1 plays a key role in lung edema development. Suppressing its activity or bolstering adherens junctions may prevent fluid entry into the lungs.
A new study has found that exposure to diesel pollutants can cause subtle changes in the lungs, making people more prone to developing chronic lung disease. The research, published in the European Respiratory Journal, found that breathing in black carbon from polluted air was associated with an increased volume of peripheral blood vess...
A study of 50 APECED patients found that 40% developed pneumonitis, a condition often misdiagnosed or missed. Targeting T and B cells resolved symptoms and improved lung function in five treated patients.
Researchers identified a master cell that coordinates the body's immune defenses in the first days after TB infection. Boosting this cell's activity could help prevent TB and reduce new infections. The findings suggest a new avenue for TB control and may aid development of more effective vaccines.
A new study found that irregular sleep patterns are associated with a higher risk of metabolic disorders, including obesity and high cholesterol. The research suggests that maintaining a regular sleep schedule has beneficial effects on metabolism.
Researchers found that catastrophic genome rearrangements can occur as early as childhood and lead to lung cancer decades later. Gene fusions in non-smokers mostly occur early on, sometimes as early as childhood or adolescence, and are often dormant for several decades before progressing into cancer.
A new study found that even short stays in polluted cities can cause significant breathing problems and coughing in healthy adults, which can take at least a week to recover from. The research team analyzed lung and heart health in travelers visiting highly polluted cities like India and China.
A new study found that a mobile phone app designed for physically inactive women increased their daily physical activity and helped them sustain it over nine months. The app, combined with an activity tracker and personal counseling, provided motivational messages and interactive feedback, leading to short- and long-term fitness benefits.