HOME >> MEDICINE >> NEWS
Immune system in hamsters bolstered during winter, especially in times of stress, study finds

has shown that long-term, chronic stress can suppress the immune system. This short-term enhancement is stronger during winter than during summer. Staci Bilbo, a doctoral student in psychology at The Johns Hopkins University, was the other lead author on the study. Bilbo is currently working in the lab of Randy Nelson, another co-author and professor of psychology and neuroscience at Ohio State.

The study involved 50 Siberian hamsters. Using artificial light, the researchers exposed half of them to long days (15 hours of light per day) to simulate summer conditions. The other half lived in short days (9 hours of light per day) to simulate winter conditions.

After 10 weeks of living under these conditions, some hamsters were tested for levels of key immune cells in their bloodstream, including leukocytes, lymphocytes, T cells and NK cells.

The results showed that hamsters living in winter-like conditions have higher baseline levels of these immune cells than do hamsters living in summer-like daylight conditions.

"It is more difficult for hamsters to survive in the winter because of stressors like cold and reduced availability of food," Bilbo said. "We found that the animals seem to use the length of day to warn of the onset of these stressors and then to enhance their immune system when winter approaches."


'"/>

Contact: Firdaus Dhabhar
Dhabhar.1@osu.edu
614-688-8562
Ohio State University
18-Mar-2002


Page: 1 2 3 4

Related medicine news :

1. Immune therapy appears to reduce risk of second attack of multiple sclerosis symptoms
2. Immune cells may play important role in progression of type 1 diabetes, Joslin researchers find
3. Immune memory from smallpox vaccination lasts more 50 years, according to Emory research
4. Immune alarm system can both amplify and silence alerts, scientists find
5. Immune response to Alzheimer diseaserelated protein changes as we age
6. Immune system supressor drug found effective in treating precancerous blood disorder
7. Immune system protein may be critical in kidney disorders and other diseases
8. Immune system cells surprisingly high in HIV-infected adolescents, says researcher at the Childrens Hospital of Philadelphia
9. Immune system responds greater to uncontrollable stresses
10. Immune system rebounds for some children with AIDS, finds UF study
11. Immunex Files Supplemental NDA for NOVANTRONE

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/27/2016)... ... 27, 2016 , ... TherapySites, the leading website ... Tennessee Counseling Association. This new relationship allows TherapySites to continue to ... adding exclusive benefits and promotional offers. , "TCA is extremely excited about this ...
(Date:6/26/2016)... ... June 26, 2016 , ... On June 10-11, 2016, A Forever Recovery, ... Festival and World’s Longest Breakfast Table in Battle Creek, MI, where the rehabilitation facility ... home to some of the world’s leading providers of cereal and other breakfast foods. ...
(Date:6/25/2016)... ... June 25, 2016 , ... ... and applications at AcademyHealth’s Annual Research Meeting June 26-28, 2016, at the Hynes ... important health care topics including advance care planning, healthcare costs and patient and ...
(Date:6/25/2016)... CA (PRWEB) , ... June 25, 2016 , ... As ... with Magna Cum Laude and his M.D from the David Geffen School of Medicine ... and returned to Los Angeles to complete his fellowship in hematology/oncology at the UCLA-Olive ...
(Date:6/24/2016)... (PRWEB) , ... June 24, 2016 , ... Those who ... with these feelings, many turn to unhealthy avenues, such as drug or alcohol abuse, ... Marne, Michigan, has released tools for healthy coping following a traumatic event. , Trauma ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... June 24, 2016   Bay Area Lyme ... Dean Center for Tick Borne Illness , ... Rehabilitation, MIT Hacking Medicine, University of California, Berkeley, ... announced the five finalists of Lyme Innovation ... More than 100 scientists, clinicians, researchers, entrepreneurs, and ...
(Date:6/24/2016)... SAN CLEMENTE, Calif. , June 24, 2016  American Respiratory ... testing company, is now able to perform sophisticated lung assessments in ... Medical Technologies , Inc. Patients are no longer ... to ndd,s EasyOne PRO ® , ARL patients like Jeanne R. ... testing done in the comfort of her own home. ...
(Date:6/24/2016)... 2016  Arkis BioSciences, a leading innovator in ... durable cerebrospinal fluid treatments, today announced it has ... is led by Innova Memphis, followed by Angel ... investors.  Arkis, new financing will accelerate the commercialization ... release of its in-licensed Endexo® technology. ...
Breaking Medicine Technology:
Cached News: