Articles tagged with Lungs
A study published by the American Thoracic Society found that an antioxidant called heme oxygenase-1 (HO-1) is elevated in the lungs of patients with chronic silicosis. HO-1 protects against reactive oxygen species, which cause tissue injury and scar formation.
A study published by the American Academy of Neurology found that childhood IQ and physical fitness are indicators of cognitive ability in old age. The research examined 460 participants who underwent cognitive tests at ages 11 and 79, revealing that physical fitness contributes more to cognitive function than childhood IQ.
A recent study found that the tumor suppressor gene H-REV107-1 stimulates growth in non-small cell lung carcinomas via mitogenic signaling. In contrast to expected function, cytoplasmic localization of H-REV107-1 correlates with decreased patient survival.
Children's Hospital of Pittsburgh researchers aim to develop more effective treatments for patients with chronic lung diseases, including cystic fibrosis and idiopathic pulmonary fibrosis. The $12.8 million NIH grant will support the development of new diagnostic methods and therapies.
A recent study found that African American smokers who prefer menthol cigarettes are less likely to quit smoking compared to non-menthol smokers. Despite the potential for menthol to increase harm, the study suggests that switching from menthol to non-menthol cigarettes may facilitate smoking cessation and reduce health disparities.
In a study published in JCI Journals, researchers found that calcineurin is essential for complete lung development in mice. Mice lacking calcineurin function died shortly after birth due to lung failure.
Researchers have identified calcineurin as essential for complete lung development, and its absence led to respiratory problems in mice. A new model of human placental development also sheds light on the complex process of placentation, while a study on thyroid structures reveals that mature T cells trigger their formation.
A study published in the American Journal of Roentgenology found that helical high-resolution multi-detector CT (MDCT) is more effective than conventional high-resolution CT in detecting bronchiectasis. The new technique can identify abnormal airways with greater accuracy, but at a higher radiation dose.
The International Society for Heart and Lung Transplantation releases comprehensive global guidelines for managing heart failure patients prior to transplantation. The guidelines aim to enhance patient care, optimize outcomes, and improve resource allocation.
Researchers enhanced donor lungs using clinical maneuvers, increasing transplant procedures without compromising recipient function. The San Antonio Lung Transplant protocol improved lung procurement rates by up to 50%, reducing lengthy wait times and potentially eliminating deaths among patients awaiting lung transplantation.
A new study found that IPF patients who can cover less than 680 feet during the six-minute walk test are four times more likely to die. The test's accuracy was found to be superior to other measures, such as forced vital capacity percent (FVC%).
Researchers at the University of Illinois College of Medicine identified a molecule that plays a critical role in lung tissue recovery following severe injury. The study found that FoxM1, a protein controlling cell proliferation, is involved in endothelial regeneration and barrier integrity restoration.
Researchers at the University of Cincinnati are studying whether environmental toxicants can worsen lung disease by activating a receptor that causes the immune system to attack stressed lung tissue. Chronic exposure to toxins like tobacco smoke and air pollutants may exacerbate damage, leading to additional health problems.
A study by Maria-Christina L. Machado and colleagues found that women with chronic obstructive pulmonary disease (COPD) who use long-term oxygen therapy have a 54% increased risk of death compared to men. The primary risk factor for developing COPD is smoking.
Research found that longstanding anger and hostility compromise lung function and hasten natural decline in lung power with age. The study of 670 men aged 45-86 showed a significant association between higher levels of hostility and poorer lung function.
The NHLBI guide provides information on the impact of physical activity on your heart, including tips for incorporating physical activity into daily life. Regular physical activity is essential for maintaining a healthy heart, with benefits including burning extra calories, building stamina, and improving balance.
Researchers have developed a novel technique using the abdominal cavity to exchange gas, supplementing lung function in patients with reversible lung failure. The technique increases arterial oxygen levels by a significant degree and shows potential for treating critically ill patients.
The latest NETT results confirm that selected severe emphysema patients with upper-lobe emphysema and poor exercise capacity before surgery can benefit from surgery with improved survival rates. Long-term follow-up also shows symptom relief in some patients, but no improvement in overall survival.
A large-scale study found that NYC firefighters' lung function declined by 12 years of age due to WTC dust exposure, with early arrival time-based periods showing more frequent respiratory symptoms. Researchers emphasize the importance of medical surveillance for high-risk jobs and call for better protective equipment.
Researchers found that glucocorticoids (GCs) alter the activity of bone-forming and bone-degrading cells, leading to delayed bone formation and resulting in GC-induced osteoporosis. Antisense oligonucleotides can be delivered through cerebrospinal fluid to treat neurodegenerative diseases like ALS.
Researchers found a chemical compound in many air fresheners and deodorizing products may cause modest reductions in lung function. The study, published in Environmental Health Perspectives, analyzed blood concentrations of common volatile organic compounds and pulmonary function measures in a representative sample of adults.
Inhaled nitric oxide significantly reduces chronic lung disease and brain injury risk in very low birthweight premature infants. The therapy, given within the first few weeks of life or within 48 hours after birth, appears to protect against long-term breathing problems and brain damage.
Researchers created a 3D computer simulation to mimic the complex process of reopening collapsed airways. The study found that 'fluid inertia' plays a crucial role in assessing the pressure required to reopen blocked airways, which is essential for preventing lung damage.
Researchers conclude that enzyme urokinase is the primary treatment against infection in the lung lining due to its cost-effectiveness. The study suggests a significant healthcare savings of $15 million if used as the first line of treatment for pediatric empyema.
Quitting smoking significantly improves lung function test scores in asthmatics, even after just one week of no cigarettes. The study found a notable increase in lung function improvements compared to high-dose anti-inflammatory treatment.
Researchers have found that gene-expression profiling can predict a lung cancer's prognosis, with tumors resembling early lung development having the worst prognosis. The study identifies key genes involved in biological pathways believed to be crucial in lung cancer development, offering potential targets for therapy.
Familial idiopathic pulmonary fibrosis (IPF) is linked to the ELMOD2 gene, which regulates apoptosis and cell migration. The study identified a susceptibility haplotype associated with an increased risk of IPF, supporting ELMOD2 as a prime candidate gene.
A new nationwide study found that cyclophosphamide improved breathing, lung function, quality of life, functional disability, and skin thickness in patients with scleroderma. The findings will help researchers develop new drug therapies and better understand the disease's development.
A randomized clinical trial has proven that a drug can slow down deterioration of lung function in scleroderma patients. Participants who received treatment had a small but statistically significant improvement in lung function and less shortness of breath compared to those who were not treated.
Researchers found a novel tumor suppressor, HLJ1, that slows down lung cancer cell proliferation and reduces cancer recurrence. Patients with high HLJ1 expression lived longer than those with low expression.
Researchers found that stopping inhaled corticosteroids in cystic fibrosis patients had no significant increase in lung-related adverse effects. The study showed that replacing the medication with a placebo was safe for most patients, suggesting that it may be possible to lower drug burden and reduce side effects.
A recent clinical trial has shown that heart attack patients with cardiogenic shock who undergo emergency angioplasty or bypass surgery within six hours experience improved long-term survival rates compared to those receiving intensive medical therapy. The study enrolled 302 patients and found significant benefits from early revascular...
Researchers at the University of Pittsburgh's Simmons Center have developed a warm autopsy program for studying pulmonary fibrosis, allowing them to compare tissue samples from biopsies and organs retrieved soon after death. This approach may help understand IPF mechanisms and lead to new treatments.
A study by Duke University Medical Center found that telephone counseling can improve the quality of life for patients waiting for a lung transplant, reducing emotional distress and anxiety. The researchers believe this approach could be useful for patients with chronic diseases who cannot access face-to-face counseling due to distance...
Researchers compared accuracy of three diagnostic methods for pulmonary embolism, finding chest CT with leg CT scan detects clots in 90% of patients. The study suggests that imaging technologies greatly expand our ability to diagnose and treat disease.
Researchers developed a new MRI technique using hyperpolarized helium to detect early signs of emphysema in asymptomatic smokers. The technology shows promise for early disease detection, surgical planning, and monitoring patient response to treatments without radiation exposure.
Researchers at U-M aim to develop new treatments for idiopathic pulmonary fibrosis (IPF) by understanding the role of fibrocytes and signaling pathways involved in the disease. They found that lipid mediators called cysteinyl leukotrienes may be responsible for inappropriate activation of fibrocytes.
A study of 85 women with COPD found they had lower lung function, more trouble breathing, and a worse quality of life compared to men. The researchers suggest that comprehensive assessments can lead to improved treatment outcomes for all COPD patients
A study of 2,112 adolescents found that low dietary intake of vitamin D is associated with significantly lower lung function. The researchers recommend promoting recommended levels of vitamin D intake to ensure optimal lung function and healthy bones.
Researchers found that aerosolized cyclosporine preserves lung function and reduces chronic rejection in lung transplant patients. The new study used 58 patients and found that those who received the placebo experienced a decline in lung function four times as great as those who inhaled the cyclosporine.
Researchers found that a conservative fluid management strategy improved lung function, shortened mechanical ventilation time, and reduced intensive care unit days without increasing organ failure risk. The study suggests that using less fluid may be more beneficial for patients with acute lung injury or respiratory distress syndrome.
Researchers studied four groups of apprentices, finding that machinists had the worst sensitivity to lung irritants and were more likely to develop asthma and bronchitis. Early occupational exposure to chemicals such as isosyanates may be a risk factor for developing lung disease.
Researchers engineered mice with mutated EGFR genes that can be turned on or off to study lung tumorigenesis and treatment responses. Mutations in EGFR drive lung tumors into regression by inhibiting the gene or turning it off.
A new study from the Mayo Clinic contradicts previous research suggesting a link between patent foramen ovale (PFO) and stroke risk. The study found that traditional cardiovascular risk factors are more important than PFOs in causing cryptogenic strokes in older adults, while younger patients may have a higher risk associated with PFOs.
A $4.5 million partnership aims to improve lung health by studying immune responses to infections and allergens in Canadians affected by asthma, cystic fibrosis, and other respiratory diseases. Experts available for comment on the initiative and its implications.
Researchers found that blocking the H1 histamine receptor can effectively reduce allergic lung responses and alleviate symptoms of hay fever. The study suggests this approach could provide new treatment options for individuals suffering from allergies.
A recent study found that moderate doses of steroids given to patients with late-stage ARDS did not improve survival rates. However, the treatment did reduce lung inflammation and allowed patients to wean off mechanical ventilators earlier. The study's results suggest caution when treating patients with late-stage ARDS with steroids.
The lung has a unique innate immune system, protected by alveolar macrophages that are repressed in steady state, activated when needed, and then re-repressed. This complex circuit allows for brief activation periods to fight invading microorganisms.
Researchers have identified novel drug therapies, including endothelin antagonists and prostacyclin, that improve quality and quantity of life for patients with PAH. These treatments offer hope for patients who previously faced lung transplantation.
Research supports pioneering hypothesis that infants' immature immune systems allow them to accept transplanted organs from mismatched blood groups. This results in improved infant survival and expands the potential donor pool.
Researchers found that short-term yoga practice significantly improved chest wall expansion and lung function in young, healthy adults. The study suggests that yoga may benefit people with illnesses affecting breathing, such as asthma.
A study by Galina Bogatkevich and colleagues found that the amount of antifibrotic glycoprotein HGF was reduced in African-American scleroderma patients compared to Caucasians. This malfunction may explain the greater severity and worse prognosis for African-Americans with pulmonary fibrosis/scleroderma.
Lung surfactant plays a crucial role in balancing host defense and reducing surface tension. Research has also linked surfactant to the innate and adaptive immune systems, with collectins such as SP-A and SP-D regulating immune responses and preventing infection and lung injury.
A randomized study of 140 COPD patients found that a combination therapy significantly reduced inflammatory cells and improved lung function. The treatment, salmeterol/fluticasone propionate, decreased inflammation by 36% and showed improvements in lung function similar to other anti-inflammatory treatments.
Research found that beta carotene slows the decline in lung power, a critical indicator of lung function, associated with aging. The study showed that higher levels of beta carotene and vitamin E in the blood reduced the rate of decline in lung function, particularly in smokers.
The report highlights the reduction in mortality rates following organ transplantation, with primary graft dysfunction being a significant factor affecting long-term survival. Lung transplant patients also experience chronic rejection and bronchiolitis obliterans syndrome, leading to reduced pulmonary function and quality of life.
Researchers used PET scans to monitor artificially induced lung inflammation in healthy volunteers, allowing for less invasive testing of potential anti-inflammatory drugs. The new imaging process may help diagnose inflammatory lung diseases and improve clinical trials.
A study found that a high level of CRP is associated with an increased risk of developing progressive precancerous lesions in the lungs. The researchers believe that this inflammatory biomarker could help identify individuals at high risk for non-small cell lung cancer and potentially treat them with chemopreventive agents.
Research by Michigan State University reveals that combustion-derived nanoparticles can cause nasal airway inflammation, rhinitis, and epithelial cell injury. The study's findings suggest that the nose is a potential target organ for nanoparticle toxicity, highlighting the need for better occupational and environmental exposure limits.
Researchers have identified CXCR2 as essential for neutrophil migration into the lungs of mice exposed to lipopolysaccharide (LPS). The presence of CXCR2 on blood vessel wall cells and epithelial cells lining airways facilitates this process.