Articles tagged with Cystic Fibrosis
Researchers have identified a heterogeneous pattern on liver ultrasounds as a predictor of advanced liver disease in cystic fibrosis patients. Children aged 10 years old are at the average age of diagnosis, and 25% develop advanced liver disease within four years.
Researchers at UNC School of Medicine and Duke University demonstrate why coughing often cannot clear mucus from airways in diseases like CF and COPD. They show how to make mucus thinner and less sticky, allowing coughing to become a therapeutic aid for patients.
A study analyzes airway mucus properties contributing to ineffective coughing in respiratory disease. Strategies to reduce mucus hyperconcentration and viscosity are proposed as potential solutions.
A new study found that hypertonic saline improved lung function and weight gain in infants with cystic fibrosis. The treatment, which was safe from diagnosis onwards, also showed promise for preventing the progression of lung disease.
Most cystic fibrosis patients do not achieve high enough antibiotic concentrations in their blood to effectively fight bacteria responsible for pulmonary exacerbations. Real-time monitoring of serum antibiotic concentrations could help improve clinical outcomes and reduce worsening pulmonary function.
Researchers have uncovered the importance of mucus clearance in maintaining healthy airways. In chronic lung diseases, such as cystic fibrosis and COPD, immobile mucus layers can accumulate bacteria, damaging lungs. The studies suggest using inhalation sprays to keep mucus bundles moving may impede formation of these harmful layers.
Researchers discovered that tweaking pH balance and oxygen in a CF lung model can help eradicate pathogenic bacteria while minimizing antibiotic resistance. The study found two distinct communities of microbes in CF lungs: anaerobes thriving in low-oxygen and low-pH regions.
Research shows that babies with cystic fibrosis are born weighing less than those without the condition, even accounting for premature births. The study found a link between CF mutation and intrauterine growth, highlighting the need for further research into improving health outcomes before birth.
Research shows that cystic fibrosis affects the development of babies in the womb, leading to lower average birth weights. The study found that CF can impact birth weight even after accounting for premature birth, suggesting a potential link between CF and intrauterine growth.
A new type of airway cell, pulmonary ionocytes, has been found to express high levels of CFTR, a protein mutated in cystic fibrosis. This discovery provides promising targets for future therapeutic strategies against the disease.
Researchers at the University of Adelaide successfully applied cell transplantation therapy to replace damaged cells in CF patients, providing a potential cure. The innovative method involves harvesting adult stem cells from the lungs, correcting them with gene therapy, and reintroducing them back into the patient.
A team of researchers has identified a new type of pulmonary ionocyte, which is the site of cystic fibrosis-causing CFTR gene activity. This discovery could lead to new therapeutic approaches by increasing CFTR activity in affected cells.
Researchers identified a rare pulmonary ionocyte cell type in airway tissue, playing a key role in cystic fibrosis. The new cell subtype expresses CFTR at high levels, challenging previous assumptions about airway function.
A randomized, controlled trial found that supplemental antioxidants decreased the risk of time to first exacerbation requiring antibiotics in patients with CF. The study also showed increased circulating antioxidant concentrations and transiently decreased inflammation in the antioxidant-treated group.
Cystic fibrosis patients may benefit from a new lipid-based nanoparticle therapy that enables cells to produce the correct protein, allowing for improved respiratory function. The therapy has shown promise in treating all cystic fibrosis patients, regardless of their genetic mutation.
Researchers at the University of Iowa have discovered glandular myoepithelial cells that can regenerate airways after severe injury. These reserve stem cells can develop into new replacement cells in both submucosal glands and the lining of the airway, offering a potential therapeutic target for lung diseases.
Researchers found that E. coli from cystic fibrosis patients grew faster on glycerol compared to healthy controls. The study suggests a link between increased intestinal fat in CF patients and the selection of specific microorganisms.
The structure of chloride channel TMEM16A has been determined, revealing a unique activation mechanism that could restore hydration of the mucus layer in cystic fibrosis patients. Researchers believe that activating this channel could compensate for the defect in chloride ion secretion, paving the way for novel therapies.
A team of researchers at the University of Montreal Hospital Research Centre has discovered a promising solution to improving treatments for cystic fibrosis. By adding quorum-sensing inhibitors to current drugs, they were able to restore treatment efficacy in cells of cystic fibrosis patients.
A new study from Columbia University Irving Medical Center reveals that cancer gene PTEN works with CFTR to keep lung tissue free of potentially dangerous infections. The findings may explain why cystic fibrosis patients have a higher risk of GI cancer.
Researchers developed a simple, minimally-invasive test to predict which CFTR drug works best for each patient. Nasospheroids, grown from nasal samples, are exposed to drugs and their reactions measured, offering a quick alternative to rectal biopsy.
Research shows cystic fibrosis patients in the US have better nutritional status and faster lung function improvements compared to those in Canada. The study suggests early implementation of newborn screening and quality improvement initiatives may contribute to these positive trends.
A new lab model was developed to test new therapeutics for cystic fibrosis. The model uses primary bronchial epithelial cells from CF patients and infectious/inflammatory factors normally found in the CF airways.
A recent study found that genetic variants in epithelial sodium channels may help rehydrate the airways of cystic fibrosis patients, reducing bacterial build-up and promoting stable lung function. This discovery brings ENaCs into the spotlight as a potential new therapeutic target.
Researchers discovered two predator bacteria, Vampirovibrio and Bdellovibrio, in cystic fibrosis patients' lungs, which may prevent colonization of disease-associated bacteria. The findings indicate a more complex lung microbiota than previously thought.
Researchers developed a new type of sweat test that can overcome the challenge of ambiguous results in current tests. The test identifies alternative molecules found in sweat associated with CF, providing staging and prognostic information.
As more adults are diagnosed with cystic fibrosis, radiologists must monitor the disease's complex and heterogeneous spectrum. The condition affects approximately 70,000 people worldwide, with up to 7% of cases diagnosed in adulthood, often with subtle manifestations.
A computerized decision-making model has been developed to promote shared decision-making with cystic fibrosis patients, taking into account their preferences for measures of lung function and health. The tool helps prioritize home treatments by integrating patients' personal goals, values, and treatment preferences.
Research from the University of Iowa finds that cystic fibrosis changes the structure of mucus in airways, making it harder for lungs to clear particles. This abnormal mucus production contributes to lung infections and inflammation, a major cause of life-threatening illness in CF patients.
Researchers from Queensland University of Technology found that airborne pseudomonas aeruginosa bacteria can remain viable in the air for up to 45 minutes after being expelled by human coughs and sneezes. This could have significant implications for infection control in hospitals, particularly for patients with cystic fibrosis.
A phase 3 trial found that a lumacaftor and ivacaftor combination improves lung function in children with cystic fibrosis, reducing air clearance time by 15 days. The treatment also slows chloride levels in sweat, suggesting it corrects gene mutations.
Researchers discover a silent change in the CFTR gene that alters protein production and transport in cells. This finding reveals new insights into cystic fibrosis genetic complexity.
Researchers at Boston University's Center for Regenerative Medicine have developed a way to grow and purify the earliest lung progenitors from human stem cells, creating tiny 'bronchospheres' that model cystic fibrosis. The breakthrough could lead to new personalized medicine approaches for treating lung disease.
Researchers found that a harmful bacterium in the lungs of cystic fibrosis patients produces substances that enhance the growth of other bacteria, known as streptococci, which can inhibit the harmful bacterium's biofilm. Streptococci adhesins play a crucial role in this process.
A Stanford-led study has developed a wearable sweat sensor that can diagnose cystic fibrosis and monitor diabetes, offering a non-invasive and real-time solution. The device collects sweat, measures its molecular constituents, and transmits the results electronically for analysis and diagnostics.
Researchers developed an imaging technique using hyperpolarized helium MRI to measure the effectiveness of ivacaftor for cystic fibrosis patients. The study found a dramatic increase in lung improvement with long-term treatment.
Researchers from George Washington University have discovered a potential new drug to treat and stop the progression of cystic fibrosis. Thymosin α1 (Tα1) corrects genetic and tissue defects, reduces inflammation, and increases CFTR maturation, stability, and activity.
Researchers at Boston University School of Medicine have developed a novel approach to generate airway cells from stem cells using the Wnt signaling pathway. These cells can be grown into three-dimensional spheres and used to study lung diseases such as cystic fibrosis.
Researchers have determined the three-dimensional structure of the human protein responsible for cystic fibrosis. The study reveals similarities with its zebrafish counterpart, allowing for a deeper understanding of how the protein functions normally and leads to the disease.
Researchers found that mucin proteins fail to unfold normally in CF airways due to dehydration, leading to thick and sticky mucus. This understanding could lead to therapies targeting the abnormal compact form of mucin proteins, such as rehydrating the airway lining with hypertonic saline.
The study found extensive variation among Burkholderia cenocepacia isolates from cystic fibrosis patients, with changes in clinically relevant bacterial phenotypes. Genetic determinants of motility and biofilm formation may be promising targets for anti-virulence drugs.
A recent study published in the Annals of Internal Medicine reveals that people with cystic fibrosis are living longer in Canada than in the United States, with a median age of survival being 50.9 years in Canada compared to 40.6 years in the US. The study found that after accounting for factors such as age and disease severity, the ri...
A study published in Annals of Internal Medicine found that Canadians with cystic fibrosis have a significant survival advantage over American patients, with a median age of survival of 50.9 years compared to 40.6 years in the US. The difference is attributed to better healthcare coverage and nutrition in Canada.
A new study measures cumulative dosage over a patient's lifetime and finds that high exposure increases the risk of permanent hearing loss in cystic fibrosis patients. Researchers suggest alternative treatment strategies to mitigate this risk.
Researchers at UNC School of Medicine have isolated a protein called SPLUNC1 that plays a vital role in regulating proper airway function. When missing or depleted, it can cause airway constriction and difficulty breathing in people with asthma.
The updated guidelines provide better direction for clinicians to make accurate diagnoses and recommend personalized treatment. The new criteria lower the threshold for possible cystic fibrosis, reconsidering patients with chloride levels between 30-40 millimoles per liter.
Scientists have linked a new class of bacterial enzymes to the chronic lung inflammation hallmark of cystic fibrosis. The discovery provides two potential strategies for interrupting or correcting this interference by opportunistic bacteria, such as Pseudomonas aeruginosa.
Researchers created the first three-dimensional map of the cystic fibrosis protein, revealing a vulnerable spot in the protein responsible for many cases of the disease. The map shows that one half of the channel bears more disease-causing mutations, including one responsible for 70% of disease cases.
Researchers analyzed over 1,000 M. abscessus isolates from 500 global CF center patients, finding near-identical clones in different geographies and suggesting widespread transmission within the CF community. The study also highlights airborne transmission via contaminated surfaces as a potential mode of infection.
A new study reveals that a global, transmissible, and increasingly virulent M. abscessus infection is spreading rapidly among cystic fibrosis patients, requiring combination treatment with multiple antibiotics for extended periods.
A new pilot study using Bluetooth technology has shown remarkable improvements in cystic fibrosis adherence, with 80% of patients adhering to their treatment. The study also found significant reductions in measures of airflow limitation and disease flare-ups.
A new, inexpensive method for detecting chloride concentrations in sweat has been developed by Penn State biomaterials scientists. The fluorescent sensor is highly sensitive and selective for chloride, the key diagnostic marker in cystic fibrosis.
Scientists have discovered how ataluren works to treat genetic disorders by allowing the cell's machinery to 'run' over premature stop signs. The drug inserts amino acids similar to those in non-mutated genes, enabling proteins to function normally.
Researchers developed efficient lentiviral and adeno-associated virus-based approaches to deliver CFTR genes to the airways of pig models with cystic fibrosis. These methods resulted in functional CFTR expression, improving early cystic fibrosis pig phenotypes.
A DNA-modulating drug, BET inhibitor, attenuates CF lung inflammation by suppressing Th17 cell response and inflammatory factor release. In a mouse model, BET inhibitor treatment decreases lung inflammation without promoting infection, suggesting potential therapeutic use for CF patients.
Researchers developed mini-gut organoids from cystic fibrosis patient cells to screen drugs and personalize treatment. The mini-guts responded to CFTR-targeting therapies in vitro, correlating with clinical trial data and paving the way for tailored treatments.
Researchers developed synthetic transporters that can carry chloride through lipid-bilayer membranes, potentially replacing faulty channels in cystic fibrosis. The new molecules show high selectivity for chloride over protons and hydroxide, addressing a potential toxic effect.
Researchers have found that tromethamine, a drug approved to treat metabolic acidosis, can raise the pH of the airway surface liquid (ASL) and enhance bacterial killing activity in cystic fibrosis patients. This suggests that tromethamine may be beneficial in treating CF airway disease.
Researchers have developed a novel therapeutic strategy for treating cystic fibrosis, restoring lung cell function to 50% of healthy levels. By using a yeast genetic model, they identified key targets that can rescue the misfolding of the deltaF508-CFTR protein, which affects nearly 90% of patients with cystic fibrosis.
Scientists at Queen's University Belfast have discovered a new molecule that can potentially prolong the life of individuals with cystic fibrosis by improving airway hydration and mucous clearance. The treatment targets the epithelial sodium channel (ENaC), preventing chronic infections and inflammation that cause progressive lung damage.