Articles tagged with Lungs
Researchers at Ohio State University are exploring the role of caspase 11 in SARS-CoV-2 infection, aiming to prevent inflammation and tissue injury. They will use human cell samples and experimental inhibitors to develop new treatment strategies for long COVID.
Researchers created a new cell model to study the effects of senescence on lung fibroblasts. Senescent alveolar epithelial cells triggered fibrotic activation in lung fibroblasts, which was attenuated by senolytic therapy.
A meta-analysis of 35,000 children from eight European countries has found a robust link between exposure to green spaces and better lung function. Children living in greener neighborhoods had higher forced vital capacity (FVC) and forced expiratory volume in one second (FEV1), indicating improved airway function.
The study found that exercise increased PEDF levels in skeletal muscles and suppressed senescence markers in the lungs. PEDF also reduced senescence markers in multiple tissues and attenuated decline in respiratory function in pulmonary emphysema mouse model, suggesting its potential as a therapeutic agent for age-related diseases.
Researchers from Leiden University discuss targeting ABC transporters in pancreatic ductal carcinoma (PDAC), a cancer with poor survival rates. The authors highlight the potential of inhibiting ABC transporters to overcome chemoresistance and suggest developing stratification protocols to identify patients most likely to benefit.
Researchers found that a compound from the Ardisia crenat houseplant inhibits Gq proteins, which can help relax pulmonary vessels and alleviate symptoms of pulmonary hypertension. The study showed significant vascular relaxation in mice with pulmonary hypertension, improving their health condition.
Researchers developed an AI model that can estimate lung function from chest radiographs with high accuracy, potentially expanding options for pulmonary function assessment in patients who have difficulty performing spirometry. The study found a remarkably high agreement rate between the AI model's estimates and actual spirometric data.
A Swedish researchers have created a questionnaire test that quickly identifies individuals at high risk of heart attack. The test has been shown to be as accurate as blood tests and blood pressure measurements, detecting 65% of those at the highest risk of cardiovascular disease.
Researchers at Butantan Institute and collaborators developed a more potent version of the BCG vaccine, which protects against tuberculosis by inducing a strong immune response. The new formulation protected animals for a significantly longer period than conventional BCG.
A new study reveals a direct connection between childhood air pollution exposure and adult bronchitis symptoms, suggesting that subtle effects on the respiratory system can persist into adulthood. The research, based on the USC Children's Health Study, found that even when adjusting for asthma or bronchitis symptoms in childhood, expos...
Researchers have designed a novel 3D hydrogel culture system that accurately mimics the mammalian lung environment, allowing for the study of tuberculosis bacteria infection and therapeutics. The system successfully tracks infection progression and demonstrates the efficacy of pyrazinamide in clearing out TB bacteria.
Researchers found that starting resuscitation with high concentrations of oxygen (90% or greater) can increase survival chances for premature babies. The study examined over 1,000 premature babies and found a significant reduction in mortality rates by using higher oxygen levels.
A new study from POSTECH forecasts over 110,000 premature deaths in Korea by 2050 due to PM2.5 exposure and rapid population aging. To mitigate this burden, PM2.5 concentrations must be reduced to approximately 6 µg/m³.
A team of researchers has made a breakthrough discovery about the mysterious condition known as 'happy hypoxia,' which affects some COVID-19 patients despite critically low blood-oxygen saturation. Elevated hemoglobin levels in certain patients' blood may play a key role in enabling the respiratory system to sustain low oxygen levels w...
Researchers developed microscopic robots that swim through lungs to deliver cancer-fighting medication directly to metastatic tumors. The approach inhibited tumor growth and spread, improving survival rates compared to control treatments.
Researchers have discovered that soaring birds use their lungs to enhance their flying capabilities by modifying the biomechanics of their flight muscles. The unique air sac, known as a subpectoral diverticulum, increases the force used to power flight muscles while soaring.
Researchers have identified two distinct types of dysbioses in cystic fibrosis, which differ in their ecological organization and response to treatment. These findings suggest that antimicrobial drugs may be more effective in hierarchically organized microbiota, potentially leading to improved treatment outcomes for patients.
Researchers used human lung microtissues to uncover the strategy used by Pseudomonas aeruginosa to invade lungs. The pathogen targets goblet cells, which it uses as Trojan horses to breach the defense line. Lung organoids also enabled the development of a sensor to monitor bacteria and track their behavior during infection.
Generation X sees gains in leading cancers, but lower rates of lung and cervical cancers compared to previous generations. Cancer incidence could remain high for decades if current trends continue.
A new study analyzed over 14,600 scientific publications funded by more than $4 billion in NIH grants, revealing key research topics such as clinical trials, vaccine distribution, and virology. The findings suggest that half of the funding went to five states: North Carolina, Washington, New York, California, and Massachusetts.
A study found that low doses of filtered kretek cigarette smoke altered rat lung histometric measurements, increasing the size of respiratory bronchioles. P53 gene overexpression was also observed in response to exposure. The findings suggest potential health risks from even low levels of kretek cigarette smoke.
Researchers at UTEP have developed a new therapeutic approach to treat skin and lung fibrosis by targeting and rehabilitating cells responsible for the disease. The nanoparticles successfully modified the cells to stop producing excess collagen, offering hope for improved treatments and enhanced quality of life.
Scientists discover that multiciliated cells use cell division to control hair-like projections called cilia. This adaptation breaks the cancer-preventing rule of making only four centrioles per cell, producing hundreds instead.
A quality improvement analysis found that many US residents live within 30 miles of a clinical trial site, highlighting disparities in access. The study highlights concerns about equity and fairness in healthcare resource distribution, particularly for marginalized communities.
Researchers discovered that children with the worst outcomes had significantly fewer microbial species overall, but marked populations of Staphylococcus bacteria and viruses. The study used metagenomic next-generation sequencing to analyze lung fluid samples from 229 pediatric patients, revealing links between microbiome composition an...
The American College of Chest Physicians' CHEST Critical Care and CHEST Pulmonary journals have been indexed with the Directory of Open Access Journals (DOAJ), enhancing their open access content's accessibility and usage. The indexation is attributed to strong editorial boards led by Hayley Gershengorn and Matthew Miles.
Weo electrolyzed water (WEW) has been shown to attenuate cellular senescence in both normal fibroblasts and breast cancer cells. The study found that WEW modulated markers of cellular senescence, inflammation, and stress response genes in a cell type-dependent manner.
Bromination of extracellular matrix proteins is a physiological modification dependent on peroxidasin, revealing a possible role for protein bromination in pulmonary fibrosis and non-fibrotic lung tissue. This study extends knowledge of halogenation's importance in the mammalian organism.
Researchers report that dupilumab substantially decreases exacerbation frequency and improves lung function as well as symptom burden in COPD patients with type 2 inflammation. The study's findings are promising for these patients, who have a high risk of exacerbations.
A new study by Columbia University researchers identifies ferroptosis as the major cell death mechanism underlying COVID-19 lung disease. This discovery offers hope for improving treatment outcomes and combating life-threatening cases of the disease.
A phase 3 trial found that pamrevlumab did not significantly improve lung function in patients with idiopathic pulmonary fibrosis. The study's results underscore the need for effective treatments to slow disease progression and improve patient outcomes.
Researchers at Harvard Medical School analyzed 370,000 participants to find that removing race from lung function tests would shift disease severity categorization across patient populations. This could lead to more white and Hispanic people being reclassified as having less advanced illness.
A world-first clinical trial found that finding and treating people with undiagnosed asthma or COPD improves their health and reduces healthcare visits. The study, which involved 508 patients, showed that those treated by a lung specialist and educator averaged fewer healthcare visits and improved symptoms compared to usual care.
A study led by BCNatal and UPF found that growth-restricted fetuses have differences in lung vascular resistance, which can be normalized with extra oxygen. The research uses artificial intelligence techniques to analyze fetal blood flow and predicts the development of respiratory health problems later in life.
Researchers developed CT-Derived Functional Imaging, a software program that calculates lung volume changes and blood mass without contrast dye. The technology has improved diagnoses for up to 30% of patients who couldn't tolerate contrast dye, and also benefits all patients with lung issues such as COPD and cancer.
A new COVID-related syndrome, MDA5-autoimmunity and Interstitial Pneumonitis Contemporaneous with COVID-19 (MIP-C), has been identified in patients with severe lung scarring and autoimmune diseases. The syndrome was discovered through a retrospective observational study by UC San Diego researchers and UK colleagues.
Researchers discovered that IL-6 signaling in CD4-positive T cells promotes pulmonary hypertension development and progression. Treating mice with IL-6 inhibitors improved symptoms and decreased damage to the lungs and heart.
Researchers found that iron is a regulator of energy usage by immune cells in the lungs, which can help treat asthma and other allergic diseases. Blocking or limiting iron uptake may reduce asthma severity.
A comprehensive study by University of Technology Sydney researchers confirms CPAP therapy's safety without adverse effects on the respiratory system. The study uses computational modeling to assess airflow velocity and shear stress, providing reassurance for patients.
Researchers at Oregon State University have developed a novel device that can improve the delivery of gene therapy for patients with inherited lung diseases such as cystic fibrosis. The device uses aerosolization technology to carry messenger RNA to patients' lungs, reducing shear stress and improving precision.
A Purdue University researcher has received a $2.4 million NIH grant to develop novel inhalation therapeutics for resistant lung infections, which have established resistance to antimicrobial drugs and affect over 2.8 million individuals annually in the US, resulting in more than 35,000 deaths.
Researchers found PLS occurs significantly more frequently in unequal AB0 settings, leading to haemolysis and anaemia in patients. Blood group A patients with O transplants are particularly at risk.
Researchers at Johns Hopkins Medicine have charted a molecular pathway that can lure cells down a hazardous path of duplicating their genome too many times, a hallmark of cancer cells. The findings reveal what goes wrong when a group of molecules and enzymes trigger the cell cycle, leading to cancer development.
A new study found that progressive lung abnormalities in smokers are associated with increased frequency and severity of acute respiratory diseases, highlighting the need for closer monitoring and earlier intervention.
A Swedish study published in JAMA Network Open found that over one million newborns were given unnecessary antibiotics for suspected sepsis despite a reduction in sepsis cases. The researchers argue that the treatment burden is too high, suggesting potential to reduce antibiotic use.
Researchers at UCSF have identified laryngeal and tracheal neuroendocrine cells that sense water and acid in the upper airway, triggering a cough reflex. The discovery could lead to interventions to prevent pneumonia and treat certain types of chronic cough.
A new study found that offering stop smoking support alongside lung cancer screening can significantly increase quit rates among high-risk individuals. Up to half of those who attend for lung cancer screening currently smoke, and dedicated funding is urged to provide this essential support.
Researchers uncover how tuberculosis infection drives excessive inflammation in the lungs by activating neutrophils. Targeting neutrophils could lead to new therapies for TB treatment, potentially reducing antibiotic-resistant cases.
A new study published in Thorax reveals that increased physical activity and higher body mass index can help recover early-life lung function deficits, leading to normal values in adolescence. The study analyzed data from over 1,100 children and adolescents aged 4-18 years, identifying four trajectories of lung function growth.
A study of tens of thousands of individuals found that post-TB lung disease is a significant global challenge. TB survivors experience restrictive lung damage and airflow obstruction, reducing their ability to breathe efficiently and increasing the risk of cardiovascular and respiratory diseases.
Researchers at Michigan Medicine discovered a pathway that reverses idiopathic pulmonary fibrosis (IPF), a common type of lung scarring. The study found that inhibiting the molecular brake MKP1 is essential for spontaneous resolution of fibrosis, offering new hope for patients with IPF.
A new murine model of dermatomyositis reveals the underlying immune system involvement in this highly progressive disease. The study identifies key components of the immune system responsible for disease development and suggests potential treatments targeting interleukin-6.
A team of scientists at Scripps Research and Calibr-Skaggs Institute has developed a lung-targeted drug to stimulate the growth of lung stem cells. The new findings provide a biological proof of concept for activating regenerative pathways and restoring damaged lung tissue.
Scientists have developed a new preventative treatment that can prevent lethal lung injury from the flu by targeting inflammation protein. The drug UH15-38 achieves a balance between shutting down runaway inflammation and allowing the immune system to stop the virus, resulting in increased survival rates.
A newly developed compound called UH15-38 has been shown to safely and efficiently block necroptosis, a key receptor in lung cells causing excessive inflammation and lung damage. The study demonstrates that UH15-38 can prevent influenza deaths even when administered late in the course of an infection.
Researchers at Murdoch Children's Research Institute have made a breakthrough discovery that suppurative lung disease and wheezing have the same inflammatory profiles despite their differing symptoms. The study found two treatable endotypes of childhood respiratory diseases, with targeted anti-inflammatory treatments showing promise.
Researchers from Karolinska Institutet show that post-COVID does not mean strict exercise avoidance. Patients with post-COVID can benefit from supervised exercise, with improved fitness and muscle strength found in those who participated.
Despite therapy, cystic fibrosis patients still suffer from persistent respiratory infections due to unregulated cell signals. By studying lung cells, scientists found a disruption in TGF-β and Wnt pathways, leading to bacterial docking station formation.
A new study published in International Journal of Environmental Research and Public Health reveals high levels of silica and other silicates in the lungs of military veterans who have deployed since 2001. This research highlights the importance of controlling particulate exposures in military occupational settings to minimize risk for ...
A USC study reveals that SARS-CoV-2 causes a stage of mild symptoms followed by severe inflammation in some patients. The virus exploits two different pathways to interact with immune cells, one leading to inflammation and the other preventing it.