Norepinephrine News and Research

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Serum carcinoembryonic antigen level can reflect adrenal adenoma

The female patient, reported on the December 7 issue 45 of World J Gastroenterology, presented a rare case, with symptoms consistent with hyperadrenocorticism and hypercatecholaminism, and also had a Cushingoid appearance.

21 Nov 2007

Hormone norepinephrine may hasten the progression of certain blood cancers

Researchers here have shown that in cell cultures, the stress hormone norepinephrine appears to promote the biochemical signals that stimulate certain tumor cells to grow and spread.

20 Nov 2007

Study looks at sepsis and purpura in children

While survival rates for sepsis have increased over the past two decades, children under four and those in adolescence remain highly susceptible to the condition.

18 Oct 2007

Depression among patients with coronary artery disease

Depression has long had a popular link to cardiovascular disease and death. However, only during the last 15 years scientific evidence supporting this common wisdom has been available (Glassman et al., 2007a).

16 Oct 2007

Norepinephrine and emotional memories

Both extensive psychological research and personal experiences confirm that events that happen during heightened states of emotion such as fear, anger and joy are far more memorable than less dramatic occurrences.

4 Oct 2007

How emotionally charged events leave their mark on memory

Researchers have uncovered new evidence in mice that may explain how emotionally charged situations can leave such a powerful mark on our memories.

4 Oct 2007

AKAP18 protein helps heart beat faster

A protein, known as AKAP18, could help the heart to beat faster in response to adrenaline or noradrenaline, according to a study published online this week in EMBO reports.

27 Sep 2007

Exercise as effective for depression as drugs

A study of adults suffering from depression has found that regular exercise is just as effective as medication for improving symptoms.

20 Sep 2007

High fat diet and exercise stimulate the breakdown of fats

Scientists report in the October issue of the Journal of Lipid Research that when either lean or obese individuals exercise after eating a high fat meal, their fats are broken down and oxidized in skeletal muscle, making them healthier.

18 Sep 2007

Patients with depression may not recover their heart rate variability following heart attack

Patients with depression appear to have an impaired ability to recover their heart rate variability following acute coronary syndromes such as heart attack, a factor that could increase their risk of coronary death, according to a report in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

4 Sep 2007

New view on role of protein synthesis in memory formation

New research from the University of Illinois challenges the premise that the brain must build new proteins in response to an experience for that experience to be recorded in long-term memory.

27 Jul 2007

Potential dangers of Ritalin

Use of the attention deficit/hyperactivity disorder (ADHD) drug Ritalin by young children may cause long-term changes in the developing brain, suggests a new study of very young rats by a research team at Weill Cornell Medical College in New York City.

18 Jul 2007

Chemical in brain acts like a fuel gauge

The concept that a drop in blood sugar triggers a craving for food is best understood just before lunchtime. But exactly how the process unfolds has proven difficult to explain, even on a full stomach.

9 Jul 2007

Antidepressant warnings linked to decreased prescription rates among children

Regulatory warnings regarding the risk of suicidal thoughts and behaviors appear to be associated with reductions in the number of antidepressant medication prescriptions among children and adolescents covered by Tennessee's expanded Medicaid program, according to a report in the July issue of Archives of Pediatrics & Adolescent Medicine.

4 Jul 2007

Depression is a risk factor for osteoporosis

Evidence is accumulating that depression is a risk factor for osteoporosis, reports the June 2007 issue of Harvard Women's Health Watch.

30 May 2007

Tracing the path of depression

David Nutt, Professor of Psychopharmacology, said: "The development of one of these radioactive tracers to enable the study of noradrenaline and its related processes in those suffering depression is critical to our proper understanding of this disease.

27 May 2007

Merits and risks of postmenopausal hormone therapy

The study was categorized as a primary prevention trial for coronary heart disease, although the fact that mean age at recruitment was 63 years was not given enough importance at that time. WHI investigators concluded that hormone therapy (HT) was not cardioprotective, and, in fact, its riskbenefit ratio did not favor the use of postmenopausal hormones for prevention of chronic diseases.

17 May 2007