Articles tagged with Lungs
A new study found that cumulative exposure to respirable coal mine dust is a significant predictor of emphysema severity in both smokers and never-smokers. The researchers also discovered that emphysema was more severe among miners compared to non-miners, regardless of smoking status.
Blast injuries are physically and psychologically devastating, with conservative estimates showing a four-fold increase in events and an eight-fold increase in injuries. The authors emphasize the need for every physician involved in emergency care to understand blast injury patterns and management, highlighting the importance of carefu...
Early exposure to airborne ultrafine particulate matter in infancy has been linked to chronic obstructive pulmonary disease (COPD) and asthma later in life. This study found that infant inhalation of ultrafine air pollution caused genetic defects leading to dysfunctional proteins and permanent changes in immune responses.
Researchers at University of North Carolina have discovered a new approach to delivering a corrected CF gene to lung cells using parainfluenza virus, which could potentially cure cystic fibrosis lung disease. The method has shown promise in laboratory models and may pave the way for future clinical trials.
Researchers at UNC School of Medicine have found an efficient way to deliver a corrected gene to lung cells, restoring normal function in tissue models. This breakthrough could lead to improved treatment options for cystic fibrosis patients.
A recent study from UAB and Southern Research Institute reveals that the M2 protein in influenza viruses damages lung epithelial cells, leading to fluid buildup and breathing difficulties. By understanding this mechanism, researchers hope to develop new treatments to prevent or minimize flu damage.
Research suggests that breaking down lung mucus with cystic fibrosis medicines can reduce the severity of bacterial infections. The study's findings have important implications for managing long-term infections in patients with cystic fibrosis.
A study found that high soy intake was associated with improved lung function and a lower risk of developing chronic obstructive pulmonary disease (COPD) in smokers. Flavonoids in soy may help protect against tobacco carcinogens, but more research is needed to understand the underlying mechanism.
Researchers at the University of Pittsburgh have developed a fluorescent probe that glows bright green when exposed to ozone, a harmful pollutant and lung irritant. The probe's sensitivity and specificity make it a potential tool for monitoring indoor and outdoor ozone levels, as well as studying its effects on the human body.
Researchers discovered that a small portion of an enzyme plays a key role in fighting bacterial infections in the lungs. The team found that mice without this gene were more likely to die from infection, highlighting a potential new target for antibiotics.
Researchers have discovered a mechanism by which nanoparticles cause lung damage, triggering programmed cell death through autophagy. They also found that blocking this process with an autophagy inhibitor can counteract the damage, providing a promising lead for developing safety strategies for nanotechnology.
Researchers at Oregon State University have made a groundbreaking discovery about bird physiology, finding that birds' lung structure and musculature are critical to their flight capacity. This study suggests that birds did not descend from theropod dinosaurs but instead evolved on a parallel path.
A new lung cancer therapy employing a vaporized viral vector to deliver a cancer-inhibiting molecule directly to lung tissue shows early promise in mouse trials. The delivery of genes via aerosol holds promise for the treatment of a broad spectrum of pulmonary disorders.
Research from Boston University School of Medicine sheds light on how airways form and provide insights into lung diseases like asthma and COPD. The study reveals that Notch signaling controls the balance between ciliated and secretory cells in developing airways.
A new study found that Serum surfactant protein A is the strongest predictor of survival in patients with Idiopathic Pulmonary Fibrosis (IPF). This discovery could help doctors determine disease severity and make informed treatment decisions, potentially improving patient outcomes.
Researchers at Baylor College of Medicine have identified the FOXF1 transcription factor gene as responsible for a rare and deadly developmental disorder of the lungs, alveolar capillary dysplasia with misalignment of pulmonary veins. The discovery may lead to easier diagnosis and counseling for families affected by the disease.
The International Society for Heart and Lung Transplantation recommends increased surveillance following generic immunosuppression medication changes to avoid adverse effects. This advisory aims to inform transplant practitioners about the challenges of prescribing generic medications in thoracic transplantation patients.
Researchers have discovered that activated stem cells in damaged lungs may lead to rapidly dividing cells that can develop into lung cancer. This finding is significant because it highlights the role of stem cell activation in lung cancer susceptibility, particularly among cigarette smokers.
Researchers found that non-smokers who reported childhood exposure to ETS were more likely to have CT patterns indicating early emphysema. Childhood ETS exposure may be associated with detectable differences in lung structure and early emphysema later in life, even among non-smokers.
A new study suggests that women may be more vulnerable to the harmful effects of smoking due to smaller airways and gender differences in metabolism. The research analyzed data from a Norwegian case-control study, including 954 subjects with chronic obstructive pulmonary disease (COPD) and 955 controls.
A large, multi-national clinical trial program has demonstrated the effectiveness and safety of pirfenidone in slowing the deterioration of lung capacity in IPF patients. The treatment resulted in a clinically meaningful reduction in the percentage of patients with an absolute decline in lung function.
Research reveals that HIV-positive individuals are more susceptible to lung-related problems and experience a swifter decline in lung function compared to their HIV-negative counterparts. The study also found that HIV-positive smokers are at risk of developing early emphysema.
The COPD Foundation's new Lung Health Check platform offers a quick assessment of breathing problems and provides personalized reports with suggestions for prevention and management. The resource aims to inform, educate, and empower individuals to take control of their lung health.
Two recent studies by the University of Cincinnati team found that LAM patients are more likely to participate in clinical trials due to a shared cause and altruism. The research also shows that CT scans given to young women with a collapsed lung can be cost-effective and beneficial in diagnosing the disease.
Research suggests that the new swine flu virus may induce a cytokine storm in otherwise healthy adults, causing fatal damage to lungs. Historical evidence also supports the possibility of severe infection and poor outcomes in young, healthy individuals.
Current treatments for cystic fibrosis, including hypertonic saline, macrolide antibiotics, and ibuprofen, are crucial for improving life expectancy. Patients with CF can benefit from airway clearance techniques, nutrition supplements, and medications to prevent bacterial infections.
Notch1 contributes to lung fibrosis by increasing myofibroblasts, while SOCS-1 inhibits prostate cancer growth. TIP30 prevents lung cancer metastasis, and SPARC accelerates kidney disease progression. These findings highlight potential new therapeutic targets.
Combining a mainstay antibiotic with drugs to deprive bacteria of iron boosts infection killing, according to Dartmouth researchers. Their study found that using two FDA-approved iron chelators and tobramycin eradicated biofilms by 90 percent.
Researchers found high osteopontin levels in patients with interstitial lung disease and healthy smokers, while healthy non-smokers produced no osteopontin. Osteopontin expression could be stimulated by nicotine treatment, leading to immune cell recruitment and symptoms similar to smoking-related lung diseases.
A computer-aided detection system has been shown to detect 45-55% of overlooked lung cancer nodules, potentially leading to earlier diagnosis and improved survival rates. The study suggests that CAD software can assist radiologists in identifying subtle signs of early lung cancer.
A new study reveals that double-lung transplants significantly improve long-term survival rates compared to single lung transplants. The research found that immune system matching and college education also play crucial roles in extending life after lung transplant surgery.
A study found that consuming fructose-sweetened beverages increases visceral adiposity and lipids while decreasing insulin sensitivity in overweight/obese humans. This increase in heart attack susceptibility remains unknown due to long-term effects of fructose over-consumption.
A team of scientists studied how alligators grow and develop in different oxygen levels, discovering that low oxygen environments result in enlarged bellies and smaller organs, but also larger hearts. The study provides insights into the adaptations of dinosaurs to survive in a world with fluctuating oxygen levels.
Proton-pump inhibitor drugs do not stop recurrent attacks in people with the lung disease. Researchers found no benefit from using these medications solely to temper asthma symptoms, even among those with silent acid reflux. The study suggests that these expensive treatments may be unnecessarily prescribed.
Scientists have identified a new role for lung epithelial cells in detecting airborne antigens and triggering allergic responses. The discovery suggests that targeting Toll-like receptors may lead to novel treatments for asthma and other allergic diseases.
The discovery of slow-growing Mycobacterium tuberculosis bacteria in TB patients' lungs may lead to the design of new anti-TB drugs. These slowly growing bacteria are non-responsive to treatment with isoniazid, contributing to prolonged treatment times and relapse rates.
Researchers at Baylor College of Medicine identified a proteinase called MMP7 that activates an allergic response in the lung. A form of vitamin A made in the lung also plays a critical role in dampening inflammation, and suppressing its production restores asthmatic symptoms.
Patients with moderate to severe COPD show altered breathing and swallowing coordination even during normal eating. The study found that COPD patients swallow more often at the end of exhalation, a pattern that disrupts safe swallowing.
Researchers found specific gene variations affect lung function growth and susceptibility to environmental insults. Variants in GST genes correlated with poorer lung function and greater susceptibility to damage from maternal cigarette smoke during pregnancy.
Researchers found two common SNPs associated with poorer lung function in children, which may alter SOD3 expression levels. This study identifies a genetic target for healthy lung development during childhood, potentially leading to the development of medication to foster optimal lung growth.
Researchers at Boston University School of Medicine identified a gene variant on chromosome 4 associated with an increased risk of COPD. The study, conducted in collaboration with the Framingham Heart Study, found that genetic factors play a role in susceptibility to cigarette smoke and impaired lung function.
The Burkholderia cepacia complex's ability to produce exopolysaccharide slime complicates cystic fibrosis treatment, as it can form biofilms that protect bacteria against antibiotics and natural defenses. This superbug's potential for causing serious infections may have been underestimated due to its lab-grown behavior.
Researchers discovered that neutrophils respond to conflicting signals from cystic fibrosis patients' lungs, leading to severe lung damage. The study's findings suggest that targeting the molecular pathway responsible for this response could lead to new disease therapies.
Researchers found that estrogen activates genes encoding nitric oxide synthases, leading to enhanced lung function and reduced ventilation support needs. Estrogen also prevented low blood pressure and closed the ductus arteriosus, a shunt that connects the pulmonary artery to the aorta.
Researchers develop anti-inflammatory therapy that blocks NF-kappa-B's movement into the nucleus, preventing excessive lung inflammation and damage. The treatment showed effectiveness in a mouse model of acute lung injury, offering hope for improved therapies for life-threatening pneumonia.
Researchers found five single nucleotide polymorphisms (SNPs) in ADAM33 that were more frequent in COPD patients than non-COPD smokers. These polymorphisms, particularly S1, are associated with lung abnormalities and progressive decline in lung function characteristic of COPD.
A recent study published in the Journal of the American College of Surgeons suggests that lung transplantation can be a viable option for patients older than 60, as long as they are younger than 70. The research found that mortality rates after one year were significantly higher for patients over 70 compared to those under 70.
A recent study has found a strong association between high waist circumference and decreased lung function. The research, analyzing over 120,000 participants, revealed that abdominal obesity is independently associated with impaired lung function, even when accounting for other factors such as smoking history and body mass index.
Researchers find that decreased PPAR activity may cause irreversible lung damage and pulmonary hypertension in children with heart defects. Boosting PPAR signaling with existing drugs could help restore healthy blood vessel balance and prevent disease.
New research shows individual COPD exacerbations increase repeat likelihood, driving disease progression. Patients may be 'brittle' during a subsequent eight-week period, requiring close monitoring and follow-up to prevent further exacerbations.
Researchers found that a baseline threshold VO2max of 8.3 ml/kg/min can predict mortality in IPF patients, with those below the threshold having a higher risk of death. The study suggests VO2max as a more robust and clinically usable predictor than other measures.
A new study reveals how pterosaurs used balloon-like air sacs to facilitate sustained activity and enable the evolution of large flying vertebrates. The system reduced bone density, addressing a major challenge in sustaining flight in large-bodied pterosaurs.
Scientists have turned a benign adeno-associated virus into a highly infectious form that can effectively deliver a gene to lung cells, potentially curing cystic fibrosis. The new strain was created by forcing evolution to increase infectivity several hundred-fold, overcoming previous limitations in gene therapy.
A new study compared recent avian strain H5N1 with genetic ressortants of the 1918 virus, showing that H5N1 replicates rapidly and induces a lethal cytokine storm. The results highlight the threat of an avian flu pandemic and emphasize the need for improved emergency preparedness.
Research suggests mice without AT1A protein have a significantly prolonged lifespan. This is attributed to reduced cellular oxidation, contributing to aging. Additionally, studies investigate the role of MT1-MMP in regulating hematopoietic progenitor cells' release from bone marrow.
A University of Iowa study found that smoking decreases a key protein in lung cells, leading to cell aging and damage. The team suggests targeting Werner's syndrome protein for developing treatments for smoking-related diseases like emphysema.
Researchers have successfully prevented cystic fibrosis lung disease in a mouse model by administering amiloride, a drug that inhibits hyperactive sodium channels. Early inhalation treatment prevents chronic lung damage and airway inflammation, providing a new therapeutic approach for the widespread genetic disease.
A new technique combining CT with fiber-coated surgical microcoils successfully locates and removes small lung nodules using video-assisted thoracoscopic surgery. The procedure results in less pain and faster recovery times compared to traditional thoracotomy, allowing patients to return to work within two to three days.
Researchers found that asthma patients exhibit chronic airflow changes in their lungs, even with medication use. The study used MRI to visualize airway obstruction and revealed that many airways remained narrowed over time.
The study found that institutions performing at least 20 lung transplants annually have the best overall patient survival rates and lowest number of deaths from the complex surgery. High-volume centers see over 95% chance of survival for organ recipients within the first month of recovery.