Featured Research

from universities, journals, and other organizations

New study on UTIs suggests flagellin is key in stimulating body's natural defenses

Date:
March 15, 2013
Source:
European Association of Urology
Summary:
A new study reveals that motile Escherichia coli isolates demonstrated significant activation of NF-şB signaling suggesting that flagellin plays a key role in up-regulating the host innate defenses against urinary tract infections.

A new study by British scientists reveals that motile Escherichia coli isolates demonstrated significant activation of NF-κB signaling suggesting that flagellin plays a key role in up-regulating the host innate defences against urinary tract infections (UTIs).

UTIs are commonly caused by Escherichia coli. The host innate defences function to protect the uro-epithelium from microbial assault via a variety of mechanisms. These include NF-κB signalling pathways activated via cell-surface Toll-like-receptors responding to bacterial pathogen associated molecular patterns (PAMPs). Flagellin, a protein responsible for bacterial motility, is a key activating PAMP.

The study, conducted by a multidisciplinary team of researchers at Newcastle University in the UK, investigated the motility of 24 clinical isolates associated with UTIs and their ability to activate NF-kB. The scientists aimed to examine the relationship between flagellin expression and host response.

"Research into the causes and treatment of urinary tract infection (UTI) is vital at this time as the incidence of UTI and bacteriuria are increasing with an aging population," commented Mr. Ased Ali of Newcastle University's Institute of Cellular Medicine and the study's presenting author.

"There is rapidly growing resistance exhibited by organisms, especially E. coli, to conventional antimicrobials which makes infections potentially more and more difficult to treat," he explained. "This is confounded by the fact that there have been no new classes of antibiotics to treat Gram-negative bacilli like E. coli for more than 40 years. It is amazing that the fluoroquinolones were the last new class of antibiotics to treat Gram-negative bacilli! Our ultimate aim is to develop agents that enhance the immune response and help the body defend itself better as an alternative to conventional antibiotics which work against the pathogen alone."


Story Source:

The above story is based on materials provided by European Association of Urology. Note: Materials may be edited for content and length.


Cite This Page:

European Association of Urology. "New study on UTIs suggests flagellin is key in stimulating body's natural defenses." ScienceDaily. ScienceDaily, 15 March 2013. <www.sciencedaily.com/releases/2013/03/130315074704.htm>.
European Association of Urology. (2013, March 15). New study on UTIs suggests flagellin is key in stimulating body's natural defenses. ScienceDaily. Retrieved August 23, 2014 from www.sciencedaily.com/releases/2013/03/130315074704.htm
European Association of Urology. "New study on UTIs suggests flagellin is key in stimulating body's natural defenses." ScienceDaily. www.sciencedaily.com/releases/2013/03/130315074704.htm (accessed August 23, 2014).

Share This




More Health & Medicine News

Saturday, August 23, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Drug Used To Treat 'Ebola's Cousin' Shows Promise

Drug Used To Treat 'Ebola's Cousin' Shows Promise

Newsy (Aug. 21, 2014) — An experimental drug used to treat Marburg virus in rhesus monkeys could give new insight into a similar treatment for Ebola. Video provided by Newsy
Powered by NewsLook.com
Two US Ebola Patients Leave Hospital Free of the Disease

Two US Ebola Patients Leave Hospital Free of the Disease

AFP (Aug. 21, 2014) — Two American missionaries who were sickened with Ebola while working in Liberia and were treated with an experimental drug are doing better and have left the hospital, doctors say on August 21, 2014. Duration: 01:05 Video provided by AFP
Powered by NewsLook.com
Cadavers, a Teen, and a Medical School Dream

Cadavers, a Teen, and a Medical School Dream

AP (Aug. 21, 2014) — Contains graphic content. He's only 17. But Johntrell Bowles has wanted to be a doctor from a young age, despite the odds against him. He was recently the youngest participant in a cadaver program at the Indiana University NW medical school. (Aug. 21) Video provided by AP
Powered by NewsLook.com
American Ebola Patients Released: What Cured Them?

American Ebola Patients Released: What Cured Them?

Newsy (Aug. 21, 2014) — It's unclear whether the American Ebola patients' recoveries can be attributed to an experimental drug or early detection and good medical care. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins