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Recent News and Articles on the Keywords: fibrosis + cystic + 25,700  Related to the article below (Last Update: 8/4/2008)


Oneindia
Cystic Fibrosis Treatment Expected
Oneindia, India - Aug 1, 2008
Cystic fibrosis (also known as CF, mucoviscoidosis, or mucoviscidosis) is a hereditary disease that affects the exocrine (mucus) glands of the lungs, liver, ...
More health news in brief.
Irish Times, Ireland -
Joe Kavanagh and his nine-year-old son Se?n, who has cystic fibrosis, will be cycling 176 miles from Bray to Ballyhea in Co Cork next Monday (Se?n's ...
House Passes Resolution to Recognize Cystic Fibrosis
MarketWatch - Jul 15, 2008
The Cystic Fibrosis Foundation applauds the House for this important achievement. Introduced by co-chairs of the Congressional Cystic Fibrosis Caucus, ...
Cypress Consulting Captures New Niche in Fast Growing, Tech Savvy ...
Market Wire (press release) -
In January, the Cystic Fibrosis Therapeutics Development Network Coordinating Center (TDNCC), a research program of Seattle Children's Hospital Research ...
Financial planner Larry Tate doesn't sweat the small stuff. Here's ...
Minneapolis Star Tribune, MN -
He has cystic fibrosis, an inherited chronic disease affecting 30000 Americans that causes life-threatening lung infections. Nobody thought Tate, 31, ...
Sufferer takes a daily beating
Otago Daily Times, New Zealand -
At 43, Mr Sutton has already lived well past the average life expectancy of 29 for a person with cystic fibrosis in New Zealand. When he was born, ...
Otago maths comp not just a mental exercise Otago Daily Times
all 3 news articles »
Student named 'hero of hope'
San Jose Mercury News,  USA - Aug 3, 2008
By Will Oremus The 20-year-old Menlo Park native is already more than halfway to the life expectancy of people with cystic fibrosis. ...
Mucous Breakthrough In Mice Holds Promise For Cystic Fibrosis
Science Daily (press release) - Jul 30, 2008
ScienceDaily (July 29, 2008) ? A London, Canada scientist studying cystic fibrosis (CF) has successfully corrected the defect which causes the ...
NASA Lunar Science Institute Names First International Partner ... Space Ref (press release)
all 28 news articles »
Inspire expands late-stage cystic fibrosis study
Forbes, NY - Jul 29, 2008
AP 07.29.08, 1:26 PM ET Inspire Pharmaceuticals Inc. said Tuesday it is expanding a late-stage study of its cystic fibrosis drug candidate, doubling the ...
Inspire Provides Update on Cystic Fibrosis Clinical Program MarketWatch
Inspire extends study of cystic fibrosis drug Bizjournals.com
Inspire broadens clinical trial for potential cystic fibrosis drug Local Tech Wire
RTT News - Reuters
all 26 news articles »  ISPH
We can but should we?
Chronicle Times, IA -
Scientists want to test his heart to see if he died from cystic fibrosis, which wasn't discovered until decades after Chopin died. ...
Source: Google News

Therapeutic medicine for cystic fibrosis -
K Sakaguchi, K Murata, A Kimura, Y Yonemoto, H … - US Patent 5,582,825, 1996 - freepatentsonline.com
... The mucoid form of Pseudomonas aeruginosa was isolated from cystic fibrosis patients
by ... method using the sodium alginate (molecular weight 25700) from Eisenia ...

REMEDY FOR CYSTIC FIBROSIS -
EP Patent 0,642,795, 1999 - freepatentsonline.com
... The mucoid form of Pseudomonas aeruginosa was isolated from cystic fibrosis patients
by ... method using the sodium alginate (molecular weight 25700) from Eisenia ...
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Secondary analysis of economic data: a review of cost-benefit studies of neonatal screening for … -
J Lord, MJ Thomason, P Littlejohns, RA Chalmers, … - British Medical Journal, 1999 - jech.bmj.com
Page 1. 1999;53;179-186 J. Epidemiol. Community Health Wilcox and CA Seymour J Lord,
MJ Thomason, P Littlejohns, RA Chalmers, MD Bain, GM Addison, AH ...

P EROXISOME B IOGENESIS D ISORDERS -
S Weller, SJ Gould, D Valle - Annual Reviews in Genomics and Human Genetics, 2003 - Annual Reviews
... Similar temperature effects occurred in certain alleles of the cystic fibrosis
transmembrane regulator gene (CFTR) and the phenylalanine hydroxylase gene (PAH ...

Recombinant adenovirus and adeno-associated virus, cell lines, and methods of production and use … -
JM Wilson, KJ Fisher, GP Gao - US Patent 6,261,551, 2001 - freepatentsonline.com
... 1994). F. Collins, "Cystic Fibrosis: Molecular Biology and Therapeutic
Implications", Science, 256:774-779 (May 8, 1992). B. Davidson ...

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DM Goldenberg - US Patent 7,067,128, 2006 - Google Patents
... WO 92/08802 WO 93/02105 WO 93/19094 WO 93/25700 ... et al., "ATP-Dependent Transport
Systems in Bacte -rial and Humans: Relevance to Cystic Fibrosis and Multidrug ...

Das Verhalten der granulozyt?ren Elastase-Konzentration im Stuhl bei ausgew?hlten gastrointestinalen …
CR Gr?ger - deposit.ddb.de
... Proelastase (MW 27000 Dalton) im Pankreas gebildet. Im D?nndarm erfolgt dann mit
Hilfe von Trypsin die Umwandlung in Elastase (MW 25700 Dalton). ...
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AL Pilon, RW Welch - US Patent 7,122,344, 2006 - Google Patents
Page 1. US007122344B2 (12) United States Patent Pilon et al. (54) METHODS
FOR THE PRODUCTION OF PURIFIED RECOMBINANT HUMAN UTEROGLOBIN ...
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Mortality Followback Survey, 1986 -
U Notes - Policy - aepo-xdv-www.epo.cdc.gov
Scientific Data Documentation Mortality Followback Survey, 1986 DSN: CC36.MORT86.
FB ABSTRACT User Notes For further Tape Documenation Information, Contact ...

[PDF] 2.3. MEDIOS DE CULTIVO
MS suplementadas con MgCl - AISLAMIENTO Y CARACTERIZACI?N DE GENES DE LA RUTA … - dspace.uah.es
Page 41. Materiales y M?todos 30 2.6. AISLAMIENTO DE ADN Aislamiento de
ADN plasm?dico de E. coli Dicho aislamiento se realiz? ...

Source: Google Scholar
 
 

Cystic fibrosis, immune-system cells may promote chronic infections

 
 
Infections with the bacteria Pseudomonas are a major cause of sickness and death in cystic fibrosis patients.

" Pseudomonas can use the remnants of dead white blood cells to develop a protective biofilm, which helps the bacteria establish a permanent infection," said Jerry Nick, senior author on the paper. " So, ironically, the very cells sent to fight infection may contribute to our inability to eradicate the Pseudomonas infection in cystic fibrosis patients."

Cystic fibrosis ( CF ) is a genetic disorder affecting about 30,000 people in the United States, and is the most common genetic disorder among Caucasian people. People with cystic fibrosis produce abnormal mucus that obstructs the airways and leads to chronic lung infections. The disease is fatal, but life expectancy for patients has increased dramatically in recent years, from 14 years in the mid-1980s to 35 years today.

Pseudomonas aeruginosa is widespread in the environment and repeatedly infects most cystic fibrosis patients. Aggressive treatment with antibiotics successfully fights most initial infections. Over time, however, P. aeruginosa infections often become permanent; more than 80% of adults with cystic fibrosis are chronically infected with P. aeruginosa. The chronic infection and inflammation associated with P. aeruginosa accelerate damage to the lungs, leading ultimately to respiratory failure and death.

Researchers believe that Pseudomonas establishes a chronic infection in the airway of cystic fibrosis patients by creating a biofilm, a three-dimensional structure composed of bacteria encased in an extracellular matrix. Other examples of bacterial biofilms include the plaque that forms on teeth and the "slime" that forms on rocks in a stream. Bacteria in biofilms take on distinctly different characteristics from those floating free in a "planktonic" form. Once Pseudomonas develops a biofilm it becomes significantly more resistant to both antibiotics and the immune system.

The immune system attempts to eradicate Pseudomonas by sending in massive numbers of cells called neutrophils. The short-lived cells die after a short time and cellular debris accumulate in the airway of CF patients.

In a series of experiments with neutrophils and Pseudomonas, Dr. Nick and his colleagues found that the contents of dead neutrophils, particularly DNA and a filament called actin, provide a scaffolding for Pseudomonas to construct a biofilm. In the presence of neutrophils, the development of P. aeruginosa biofilms increased by two and a half to three times compared to P. aeruginosa cultures without neutrophils.

" As the neutrophils die and fall apart, their contents provide an excellent substrate for the development of biofilms," said Nick. "In turn these biofilms allow Pseudomonas to survive despite intense medical treatment."

The researchers also found that an enzyme known as DNase, which breaks apart strands of DNA, inhibits the development of biofilms. DNase is already used to break up the thick mucus that develops in the lungs of CF patients. Nick believes that it might also be useful in preventing the development of Pseudomonas biofilms.

" Once the biofilm develops, Pseudomonas infections become almost impossible to eradicate," said Nick. "If we could prevent the development of these biofilms, with DNase or other treatments, we could possibly prevent chronic infections, reduce damage to the lungs of cystic fibrosis patients, and extend their lives."

Nick and his group are now using genomic analysis to better understand how the presence of neutrophils changes the response of Pseudomonas. They hope to discover mechanisms Pseudomonas uses to avoid eradication by the immune system, which could suggest new therapies to prevent Pseudomonas infections from developing in cystic fibrosis patients.

Source: National Jewish Medical and Research Center, 2005
 
 
 
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