Navigation Links
New Animal Study Might Explain Jet Lag Differences
Date:10/21/2011

FRIDAY, Oct. 21 (HealthDay News) -- The way the human circadian clock sets itself may explain why jet lag tends to affect people more severely when they're flying west to east compared to the other direction, a new animal study indicates.

The circadian clock, which regulates many body processes, has to make regular adjustments to stay synchronized with the light-dark cycle of where a person is and does this by delaying or advancing its time in response to light.

Typically, these adjustments occur without notice. However, the process is disrupted by sudden major changes in the light-dark cycle, such as when a person takes a long flight.

Previous research found that delaying and advancing the circadian clock occur in different pathways in an area of the brain called the suprachiasmatic nucleus. This new study found that the molecular mechanisms in these pathways are significantly different.

"We have known for decades that, in humans and other organisms, advances are always much harder to achieve than delays. For example, compare jet lag going to Europe with that coming back," Horacio de la Iglesia, an associate professor of biology at the University of Washington, said in a university news release.

"One of the reasons may be that these two forms of resetting the clock involve different molecular mechanisms at the clock level," he suggested.

The findings from experiments with hamsters could help in efforts to develop remedies to jet lag, according to the researchers.

The study was published online recently in the Proceedings of the National Academy of Sciences.

More information

The U.S. Centers for Disease Control and Prevention has more about jet lag.

-- Robert Preidt

SOURCE: University of Washington, news release, October 2011


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. New clues found linking larger animals to colder climates
2. Ghrelin mitigates liver fibrosis in animal models; regulates human fibrosis
3. ATTENTION: Pawty Animals Needed in Nashville, Tennessee
4. Second Dose of Gene Therapy for Inherited Blindness Proves Safe in Animal Studies
5. Promega - TOP srl Agreement Enables Live Animal Imaging for Cancer Studies
6. Delray Beach and Boca Raton Veterinarian Launches New Web Sites for Atlantic Animal Hospital
7. Gunther von Hagens BODY WORLDS of Animals Opening March 19 at the Neunkirchen Zoo
8. Scout's House™ Announces Nation's First Animal Physical Rehabilitation Therapy Consultation Service for Veterinarians
9. 'Animals' Keep Germs Away From Kids' Toothbrushes
10. Science Reveals Secrets of Animals Spots, Stripes
11. The effect of dietary supplements, acids and animal protein on gastrointestinal disorders
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New Animal Study Might Explain Jet Lag Differences
(Date:5/27/2016)... ... 27, 2016 , ... More than a third of American adults are considered ... surgery has received increased attention in recent years, as an article published ... weight loss, most people are familiar with the basic requirements of maintaining a healthy ...
(Date:5/27/2016)... York, NY (PRWEB) , ... May 27, 2016 , ... ... campaign returns for a third time to shed lights on the variety of topics ... and inspirational stories, “Nurse Appreciation” tackles why this career has gone from being in ...
(Date:5/27/2016)... ... May 27, 2016 , ... In ... the many who are unaware of the plight of aphasia. In collaboration with ... the “Stroke Awareness” campaign. , The link between stroke and aphasia is relatively ...
(Date:5/27/2016)... (PRWEB) , ... May 27, 2016 , ... ... in scholarships to students studying complementary medicine. Allison Outerbridge is this year’s ... her award on May 18 at the university’s Student Leadership Awards ceremony. , ...
(Date:5/26/2016)... , ... May 26, 2016 , ... W.S. Badger ... has been honored with a 2016 When Work Works Award for its use of ... of the national When Work Works project administered by the Families and Work Institute ...
Breaking Medicine News(10 mins):
(Date:5/24/2016)...   , Study met ... bowel cleansing and superiority in , ... of the ascending colon   ... Norgine B.V. today announced new positive data from the phase ... preparation) versus standard 2 litre PEG with ascorbate. The study met ...
(Date:5/24/2016)... May 24, 2016  NxStage Medical, Inc. (Nasdaq: ... on advancing renal care, today announced that Jeffrey ... in the following schedule of investor conferences. Where applicable, ... at http://ir.nxstage.com/ .   ... Conference NY, NY           Friday, June 10, 2016 1:30 ...
(Date:5/24/2016)... HONG KONG , May 24, 2016 ... , the world , s ... and AV fistula intervention   OrbusNeich, a ... solutions, has expanded its portfolio to include products to ... balloons are the company,s first entry devices for lower ...
Breaking Medicine Technology: