Corticosterone News and Research

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Corticosterone is a 21 carbon steroid hormone of the corticosteroid type produced in the cortex of the adrenal glands.

Short stressful events may improve working memory

Experiencing chronic stress day after day can produce wear and tear on the body physically and mentally, and can have a detrimental effect on learning and emotion. However, acute stress -- a short stressful incident -- may enhance learning and memory.

23 Jul 2009

Relationship discovered between tumors and depression

In a study that could help explain the connections between depression and cancer, researchers at the University of Chicago have used an animal model to find, for the first time, a biological link between tumors and negative mood changes.

18 May 2009

Poor sleep disturbs neuroendocrine control of appetite

Laboratory and epidemiological studies continue to show that sleep curtailment and/or decreased sleep quality can disturb neuroendocrine control of appetite, leading to overeating, and can decrease insulin and/or increase insulin resistance, both steps on the road to Type 2 diabetes.

22 Apr 2009

Mothers pass on disease clues, prime offspring for the environment they will live in

When there is a threat of disease during pregnancy, mothers produce less aggressive sons with more efficient immune systems, researchers at The University of Nottingham have discovered.

5 Jan 2009

New hope for post-traumatic stress disorder sufferers

Post-traumatic stress disorder (PTSD) affects as many as one in five of all Americans who survive a harrowing experience like rape, assault, war or terrorism.

1 Dec 2008

Exercise increases brain growth factor and receptors, prevents stem cell drop in middle age

A new study confirms that exercise can reverse the age-related decline in the production of neural stem cells in the hippocampus of the mouse brain, and suggests that this happens because exercise restores a brain chemical which promotes the production and maturation of new stem cells.

18 Nov 2008

High-dose hormone treatment might reduce risk for posttraumatic stress disorder

Cortisol helps our bodies cope with stress, but what about its effects on the brain? A new study by Cohen and colleagues, appearing in the October 15th issue of Biological Psychiatry, suggests that the answer to this question is complex.

22 Oct 2008

Stress hormone impacts memory, learning in diabetic rodents

Diabetes is known to impair the cognitive health of people, but now scientists have identified one potential mechanism underlying these learning and memory problems.

18 Feb 2008

Peptide hormone found in the body prevents obesity and diabetes

A new study finds that a chemical found in the body is capable of promoting weight loss, improving insulin resistance and reversing diabetes in an animal model.

4 Jan 2008

Brain chemistry and genes dictate nicotine cravings

Individual brain chemistry and genes could be key to understanding why some people become addicted to nicotine and why the chemical compound's effects appear to diminish at night, University of Colorado at Boulder researchers say.

6 Nov 2007

Study identifies osteopontin as a key player in the body's immune response to chronic stress

Osteopontin (OPN), a protein molecule involved in many different cellular processes, plays a significant role in immune deficiency and organ atrophy following chronic physiological stress, resulting in increased susceptibility to illness.

4 Sep 2007

Mice stressed in simulated weightlessness show organ atrophy

A ground-based, experimental model used to simulate astronaut weightlessness in space has provided Rutgers scientists an opportunity to study the effects of stress on immune organs.

4 Sep 2007

Blocking stress protein decreases Alzheimer's peptide

Scientists revealed in November 2006 that stress increases production in mice of a brain peptide critical to Alzheimer's disease.

5 Jun 2007

Jet lag could be a killer

Researchers in the U.S. have found that jet lag or rotating shift work shortens the lifespan in mice and they say it raises concerns for humans affected by time disruption.

7 Nov 2006

The circadian rhythm of glucocorticoids is regulated by a gating mechanism residing in the adrenal cortical clock

In mammals, including humans, a master clock in the brain and subordinate clocks found in organs throughout the body coordinate daily, or circadian, rhythms of behavior and physiology.

8 Aug 2006

Exercise shown to protect against skin and bowel cancer

Two studies have shown that exercise can protect against skin and bowel cancer, and they have identified new mechanisms that could be responsible for this effect.

17 May 2006

Exercise, diet may protect against colorectal cancer

Voluntary exercise and a restricted diet reduced the number and size of pre-cancerous polyps in the intestines of male mice and improved survival, according to a study by a University of Wisconsin-Madison research published in the journal Carcinogenesis.

16 May 2006