Bragonzi A, Paroni M, Nonis A, Cramer N, Montanari S, Rejman J, Di Serio C, Döring G, Tümmler B. Pseudomonas aeruginosa microevolution during cystic
fibrosis lung infection establishes clones with adapted virulence.
Not exact matches
The Danger: The wipes contain the bacteria Burkholderia cepacia (B. cepacia), and people with weakened immune systems or chronic
lung conditions like cystic
fibrosis may be more susceptible to
infection.
One mystery of cystic
fibrosis is why most children suffer chronic and often deadly
lung infections from a bug that rarely harms healthy individuals.
«P. aeruginosa biofilm
infections are a leading cause of death for people suffering from cystic
fibrosis, a genetic condition that affects the
lungs and the digestive system,» said Principal Investigator Lars Dietrich, an associate professor of biological sciences.
The bacteria, Burkholderia cenocepacia, are highly antibiotic resistant and cause severe
lung infections in people with cystic
fibrosis.
One possibility would be to test the virus on people with cystic
fibrosis, to see if it can defeat stubborn Pseudomonas
lung infections.
In cystic
fibrosis, a serious genetic disease that causes recurring
lung infections, bacteria colonize a patient's
lungs, usually beginning in childhood, leading to difficulty breathing.
The findings help explain why
lung infections in cystic
fibrosis patients are so hard to treat.
Although scientists first mapped the genetic structure of P. aeruginosa 15 years ago, efforts to pinpoint how it behaves during an
infection and which genes would need to be turned off to stop its spread have been hampered in part by the difficulty of mimicking the unique conditions of a cystic
fibrosis patient's
lungs.
Once limited to burn wounds, P. aeruginosa now causes severe hospital - acquired
infections and persistent
lung infections in cystic
fibrosis patients.
This leads to recurrent life - threatening
lung infections, which result in
lung damage that causes 90 % of deaths in people with cystic
fibrosis.
People with cystic
fibrosis can get Pseudomonas aeruginosa
infections in their
lungs, which can lead to fatal pneumonia.
Most people with cystic
fibrosis develop
lung infections that involve multiple species of microbes.
Dental plaque may be the best - known example of a biofilm, but these slimy aggregates of bacteria also play major roles in such chronic
infections as those in the urinary tract or in the
lungs in cystic
fibrosis patients.
«As a result of studying these proteins, we discovered novel structures that turn out to work very well against bacterial
infections, including the complicated bacterial populations in
lung infections in cystic
fibrosis patients.»
«
Infections with progressively resistant bacteria in the
lung shorten the lives of people with cystic
fibrosis,» said Joseph M. Pilewski, M.D., co-director of the Adult Cystic Fibrosis Center
fibrosis,» said Joseph M. Pilewski, M.D., co-director of the Adult Cystic
Fibrosis Center
Fibrosis Center at UPMC.
It is especially promising in the development of a potential treatment for
lung infections in people with cystic
fibrosis.
The first of many probable applications will likely be the chronic bacterial
infections in the
lungs of cystic
fibrosis patients «that frequently develop resistance to all standard antibiotics, and are the leading cause of death in these patients,» says senior author Ronald Montelaro.
They announced that they had used exome sequencing to identify people with cystic
fibrosis who are at high risk of
infection with the bacterium Pseudomonas aeruginosa — associated with worse
lung health and survival (Nature Genetics, DOI: 10.1038 / ng.2344).
It might be possible, Schonwetter speculates, to develop aerosols containing an LAP - like antiseptic that could be inhaled by cystic
fibrosis sufferers to help them fight off
lung infections.
Laura and Cate are among thousands of Americans who have cystic
fibrosis (CF), an inherited disease that clogs the
lungs with thick mucus, encouraging chronic
infections that eventually kill.
Malnutrition and
lung infections are associated with increased risk of death in people with cystic
fibrosis, so better nutrition and minimizing hospitalizations due to
infections are important to further improve survival in CF.
Infections with these organisms in patients with chronic
lung diseases like cystic
fibrosis represent an enormous challenge in medical therapy.
Researchers have identified two new biological markers of cystic
fibrosis (CF), a genetic disease which affects children and young adults, leaving them with lifelong health complications including digestive problems and persistent
lung infections.
For example, specially targeted phages have been suggested as a possible therapy for conditions like cystic
fibrosis, which is caused by frequent bacterial
lung infections.
People with cystic
fibrosis frequently have
lung infections that defy treatment.
While the life expectancy for children with cystic
fibrosis has increased over the past few decades, many lives are still shortened in young adulthood by the ravages of
lung infections.
Bragonzi A. Murine models of acute and chronic
lung infection with cystic
fibrosis pathogens.
Rhinovirus C
infections are also a major contributor to poor outcomes for people with chronic
lung conditions like cystic
fibrosis, and early exposure to the virus can cause lifelong
lung scarring leading to persistent respiratory difficulties later, says Palmenberg.
A new study shows that tumor suppressor PTEN helps fight
lung infections when attached to a protein that is mutated in cystic
fibrosis.
It could offer major benefits to cystic
fibrosis patients with fungal
infections in their
lungs.»
In the elderly,
lung injury from inhaled particles or from
infections might lead to undue scarring processes, some of which in turn lead to
lung fibrosis and respiratory insufficiency.
People who have cystic
fibrosis are susceptible to bacterial
infections in their
lungs.
CHAPEL HILL, NC — Cystic
fibrosis (CF) shortens life by making the
lungs prone to repeated bacterial
infections and associated inflammation.
Some patients also develop scarring or
fibrosis at the top of the
lungs, thus making it harder to ward off viruses and
infections.