Articles tagged with Respiratory Disorders
Researchers at McMaster University developed a new rapid test that can quickly identify eosinophils, key drivers of severe asthma, in complex biological samples. The test uses DNAzymes to track protein signatures and is designed to be simple and adaptable for mass manufacturing.
Researchers developed AirGels, bioengineered models of human lung tissue, to study airway infections in a more realistic manner. They found that Pseudomonas aeruginosa induces contraction of the host's mucus using type IV pili, contributing to biofilm formation.
The study reveals altered magnitudes and coherence between oscillations in brain vasculature and brain waves in older adults. This finding has significant implications for the assessment of Alzheimer's disease and monitoring of neurodegenerative disorders.
Researchers found that human senescent fibroblasts trigger progressive lung fibrosis in immunodeficient mice by inducing paracrine senescence and pro-fibrotic activities. The study also suggests that senolytic compounds like navitoclax can ameliorate lung fibrosis induced by senescent human fibroblasts.
Workers cutting, grinding, and polishing artificial-stone slabs for countertops are developing silicosis due to high concentrations of silica and polymer resins. Researchers call for public health measures, including banning the product and improving worker safety.
Research found that people with bipolar disorder are 6 times more likely to die from external causes and twice as likely to die from physical illness. Alcohol is a major contributing factor to the increased risk of death from somatic causes.
A new study finds that living in neighborhoods with higher air pollution, lower walkability, and density are associated with a greater incidence rate of hospitalization due to COVID-19. Neighborhoods with higher public transit quality and access also show a higher incidence rate of hospitalization.
The American College of Chest Physicians has launched CHEST Pulmonary, a new online publication dedicated to pulmonary and sleep medicine. The journal features original research, case series, and reviews on various topics, including implementation science and artificial intelligence applications.
Smoke-free legislation associated with significant reductions in morbidity and mortality related to cardiovascular disease and respiratory system disease. Accelerating the implementation of smoke-free laws is crucial for protecting populations against smoking-related harm.
Researchers found that when a patient's congestive heart failure is mentioned during the initial check-in process, emergency room physicians are less likely to test for pulmonary embolism, potentially leading to delays in diagnosis. This anchoring bias can delay crucial testing and diagnosis of deadly medical conditions.
The inaugural issue of CHEST Critical Care focuses on clinically relevant research and patient management guidance for critical care medicine. The journal accepts submissions of original research, case series, and research letters, covering topics such as intensive care medicine and diverse populations.
Scientists at Max Delbrück Center have developed a tool to screen drugs that can help treat viral diseases like COVID-19 by analyzing the immune response of lung epithelial cells. The technology uses synthetic locus control region (sLCR) DNA sequences that glow red when triggered, enabling researchers to identify potential treatments.
The study found a decreasing trend in the global TBL cancer burden from 1990 to 2019, but regional variations persisted. The burden was highest in upper-middle-income countries and lowest in high-income countries.
Researchers at the University of Queensland have uncovered the atomic structure of the Langya virus, a highly infectious virus with pandemic potential. The study aims to develop broad-spectrum human vaccines and treatments for Henipaviruses, which cause severe disease and have the potential to get out of control.
Researchers establish a direct link between Covid-19 and Alzheimer's disease, attributing the connection to RAS overactivation caused by SARS-CoV-2 virus. This dysfunction leads to increased b-amyloid protein accumulation, impairing brain cell synaptic connections and cognitive functions.
The study analyzed historical data on coal miners in China, revealing a strong correlation between raw coal production, mining technology, and CWP incidence. The researchers identified key turning points in disease incidence, linked to changes in diagnostic criteria and labor management, as well as coal industry policy reforms.
A recent study unveiled the doorway that SARS-CoV2 uses to slip inside cells undetected. Cholesterol clusters make up this door, allowing the virus to infect human cells. Regular exercise and mechanical force can disrupt these cholesterol aggregates, reducing the risk of infection.
Researchers used cryo-electron tomography to study the dynein motor protein, revealing new details about how it generates force and coordinates with other proteins. This knowledge may help develop treatments for diseases related to cilia dysfunction, such as fertility issues and lung disease.
The June issue of CHEST features 49 articles on clinically relevant topics, including asthma, COPD, and critical care. The journal offers web and multimedia resources to expand the reach of its research.
Researchers at the University of Cincinnati have discovered two existing drugs that show signs of being effective in treating lymphangioleiomyomatosis (LAM), a rare and devastating lung disease. The study found that these drugs target a novel pathway dysregulated in LAM, which could lead to the development of a cure.
A University of Pittsburgh study found that TV medical dramas prompted middle schoolers to engage in discussion about vaping dangers after viewing clips featuring fictional adolescents with vaping-associated lung disease. The study suggests using entertainment television as a tool for dialogue about the health effects of e-cigarette use.
Researchers created a detailed snapshot of the structure of human cilia using advanced microscopy and artificial intelligence techniques. The study found that key elements of the axoneme structure are missing in people with primary ciliary dyskinesia, leading to defective cilia and breathing difficulties.
Researchers have discovered that microplastics can accumulate in the nasal cavity and oropharynx, increasing the risk of respiratory diseases. The study's findings highlight the importance of awareness about microplastic exposure and its potential health impacts.
Research by West Virginia University professor Sean Tu found that orphan drugs earn pharmaceutical companies almost as much as those marketed to the general public. The Orphan Drug Act incentivizes companies with tax credits, longer patent exclusivity, and easier FDA review for treating rare diseases.
Researchers at Texas Biomedical Research Institute have developed a new cell culture model to generate human alveolar macrophages, the most critical immune cells in the lungs. This model allows for easier and inexpensive investigation of lung inflammatory diseases and testing of new therapies.
The new scientific statement highlights the importance of identifying the root cause of pediatric cardiomyopathy to develop effective treatment strategies. Genetic testing is recommended for all children with cardiomyopathy, which may lead to financial and emotional cost savings.
The Human Lung Cell Atlas provides insights into lung biology by combining data from nearly 40 studies, revealing rare cell types and cellular differences between healthy people. The study found common cell states between lung fibrosis, cancer, and COVID-19, offering new ways of understanding lung disease.
A new observational study published in BMJ Open found that long Covid can have a devastating effect on daily lives, with fatigue impacting social activities, work, and relationships. The study's findings suggest that long Covid can leave people with worse fatigue and quality of life than some cancers.
A study published in JAMA Oncology suggests that stopping immunotherapy after two years for patients with advanced non–small cell lung cancer who remain responsive may be a reasonable strategy, providing sustained clinical benefit. The findings provide reassurance for patients and their healthcare providers.
Researchers found that lymphoid depletion lesions in the spleen of SARS-CoV2-infected mice may trigger novel therapies to restore defective antigen-presenting cell functions in humans. The severity of COVID-19 varies significantly, with dysregulated immune responses linked to poor outcomes.
A UC Riverside-led study reveals the Salton Sea environment is toxic, causing sulfuric smells, dust storms, chemicals, and fires that contribute to chronic health conditions like asthma and respiratory illnesses. The study's findings have important public health implications for vulnerable child populations.
A study of 12,000 medical students found that poor eating habits established during post-secondary studies can contribute to future health issues. The researchers call for universities to provide healthy, affordable food options to prevent long-term problems.
A study of skeletal remains from 19th-century England found high incidences of growth delays, vitamin deficiencies, and respiratory disease among child laborers. The analysis suggests low-protein diets and harsh working conditions led to the health consequences.
Researchers discovered that air pollution particles trigger autophagy, a cellular defense process, which has an upper threshold and may reduce its effectiveness against other threats. This finding provides new insights into the link between air pollution and lung disease.
The May issue of the CHEST journal features cutting-edge research on pulmonary, critical care, and sleep medicine. The journal also highlights awareness for cystic fibrosis, a once-fatal childhood condition now affecting adults.
A Chinese Medical Journal review highlights the health hazards of air pollution, particularly from fine particulate matter (PM2.5), which is associated with increased risks of cardiovascular disease, hospitalization, and respiratory mortality. The study suggests that reducing PM2.5 levels through government interventions and individual...
The American Thoracic Society International Conference Abstracts publication features selected abstracts on COPD treatment, including a study on improving depression through home-based pulmonary rehabilitation. The issue also highlights recent findings on sleep apnea severity, as well as research on health equity and access to care.
Researchers developed an AI algorithm that allows electronic devices to express uncertainty when faced with unexpected data, improving cough detection technology. The new approach enables more precise detection with fewer sound samples per second, reducing computing power and addressing privacy concerns.
A study published in eLife characterizes seasonal effects on human social behavior and indoor mixing patterns for respiratory disease transmission risk. The analysis reveals that the proportion of indoor to outdoor activity is seasonal, with stronger seasonality at northern regions and an additional summer peak in southern regions.
Researchers find that patients with destructive nasal lesions may be suffering from cocaine-induced granulomatosis with polyangiitis, a condition often misdiagnosed. Cocaine use can trigger production of antibodies leading to symptoms similar to idiopathic Granulomatosis With Polyangiitis.
Researchers have developed a new type of nanoparticle that can efficiently deliver CRISPR/Cas9 components to the lungs, allowing for targeted gene editing. In mice studies, the particles delivered mRNA to up to 60% of lung epithelial cells, offering a promising approach to treating genetic diseases such as cystic fibrosis.
The American Thoracic Society has issued a statement recommending the elimination of race and ethnicity in the interpretation of pulmonary function test (PFT) results. The new approach uses an average reference equation, which shows superiority over race-specific equations for assessing overall prognosis and impact of tobacco smoke exp...
An international project aims to discover modifiable cellular and molecular pathways of the developing infant immune system to improve infant vaccine responsiveness and prevent respiratory disease. By analyzing infants' immune systems from birth to five years old, researchers hope to identify biomarkers that predict vaccine responsiven...
Researchers found that dexamethasone prevents cytokine storms in severe COVID-19 patients by inhibiting ion channels and reducing immune cell inflammation. This led to improved lung function and reduced mortality rates. The study's findings provide new insights into the mechanisms of steroid treatment in severe COVID-19.
Researchers at the University of Helsinki have developed a nasal spray that is effective in preventing coronavirus infection, including the latest variants. The molecule, TriSb92, identifies a region in the spike protein common to all current variants and inhibits its functioning.
A new study confirms that California's tobacco control program significantly reduces smoking rates and lowers health care expenses. Over three decades, the program resulted in a 10% reduction in smoking prevalence and saved Californians $51.4 billion they would have otherwise spent on cigarettes.
UVA researchers discovered a metabolic pathway that can modulate COVID-19 inflammation, lung recovery, and host metabolic health. They suggest a potentially viable therapeutic agent that may be combined with existing anti-viral agents to treat severe COVID-19 in patients with underlying metabolic disease.
A new study found that Black patients with pulmonary fibrosis are significantly younger than their Hispanic and white counterparts, experiencing accelerated disease progression. Lifestyle and socioeconomic factors linked to environmental exposures may contribute to these disparities.
Contracting a lower respiratory tract infection in early childhood is associated with a higher risk of dying from respiratory disease as an adult. Children who had a LRTI by age two were almost twice as likely to die prematurely in adulthood.
Researchers at UIC hope to understand how the human immune system regulates lung tissue and develop new treatments for conditions like COPD and pulmonary fibrosis. The grant aims to create an infrastructure for collaboration among researchers studying lung endothelial cells and their role in inflammation.
A recent study found that promoting physical activity and behavioral support can help smokers reduce their smoking in the short-term, but delivering lasting benefits is challenging. The research, which recruited over 900 smokers, discovered that engaging with motivational support had some initial benefits, but only a small percentage o...
Lung cancer death rates are projected to decrease overall in the EU and UK in 2023, however, a concerning trend is observed among women in France, Italy, and Spain. Meanwhile, pancreatic cancer death rates are forecasted to rise among women due to continued smoking habits.
A new study found that walking an additional 500 steps per day was associated with a 14% lower risk of heart disease, stroke or heart failure. This benefit is significant for older adults, as most studies have focused on early-to-midlife adults.
The BIAL Award in Biomedicine is a prestigious international award that recognises outstanding biomedical research. The €300,000 prize is given to researchers whose work has shown exceptional quality and scientific relevance, published within the last ten years.
A recent study found that bacterial co-infection in COVID-19 patients significantly increased the risk of death, intensive care unit admission, and mechanical ventilation. The study reviewed 13,781 COVID-19 inpatient encounters and identified laboratory trends associated with COVID-19 bacterial co-infection.
Researchers examined three epigenetic age acceleration measurements and found inverse associations with lung cancer risk in men and younger participants. However, these findings did not support a positive association between epigenetic age measures and lung cancer risk in the study.
Experts warn that scrapping England's long term plan for cancer will lead to wide variations in access to effective treatments and quality of care. The current proposal jettisons decades of global consensus on the need for dedicated cancer plans.
Researchers explore CEACAM1, CEACAM5, and CEACAM6's pathological significance in cancer biology and immunology. The review highlights their interactions with pathogens and potential avenues for cancer therapy.
New UCLA research finds that tobacco smoking and vaping can predispose healthy young people to increased inflammation and severe COVID-19. The study, published in Journal of Molecular Medicine, found higher levels of key proteins in plasma from smokers and vapers compared to non-smokers.
A large-scale observational study from China demonstrates a strong link between ideal cardiovascular health and lower mortality rates. Individuals with higher scores on behavioral and medical factors had approximately a 50% lower risk of all-cause, CVD, and respiratory mortality compared to those with lower scores.