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Lack of gene expression associated with ovarian cancer

The expression of two specific genes is almost completely downregulated in ovarian cancer tumours. An extensive analysis of gene expression in ovarian cancer tumour cells has revealed this important finding, which should be an aid to early diagnosis.

24 Oct 2005

Fndings shed some light on the brain mechanisms involved in schizophrenia

Scientists have discovered that schizophrenia sufferers are not fooled by a visual illusion and are able to judge it more accurately than non-schizophrenic observers.

24 Oct 2005

New model important step toward understanding the molecular basis of cell membrane mechanics

A human red blood cell is a dimpled ballerina, ceaselessly spinning, tumbling, bending, and squeezing through openings narrower than its width to dispense life-giving oxygen to every corner of the body.

24 Oct 2005

Scientists gain better understanding of how repetitive stretching of endothelial cells that line arteries can make them healthy and resistant to vascular diseases

UCSD researchers stretched cells in a workout chamber the size of a credit card to gain a better understanding of how repetitive stretching of endothelial cells that line arteries can make them healthy and resistant to vascular diseases.

24 Oct 2005

St. John's wort plant has the capacity to inhibit expression of the HIV-1 gene

A novel protein, p27SJ, extracted from a callus culture of the St. John's wort plant (Hypericum perforatum) suppresses HIV-1 expression and inhibits its replication, according to researchers at Temple University School of Medicine's department of neuroscience and Center for Neurovirology (CNV).

24 Oct 2005

Electronic medical records ideal for clinical trial recruitment

Electronic medical records are touted as a great way to prevent medical errors, but researchers are reporting that this new technology may also be just what the doctor ordered for clinical trial recruitment.

24 Oct 2005

NK-1 receptor antagonists very effective at reducing vomiting after surgery

The results of a new Phase III clinical trial have demonstrated that a new class of drugs, called "NK-1 receptor antagonists," is more effective at reducing vomiting after surgery than the most commonly used drug, according to the Duke University Medical Center researchers who led the trial.

24 Oct 2005

Women satisfied with contralateral prophylactic mastectomy

Mayo Clinic researchers report that most women who have a contralateral (opposite to cancerous breast) prophylactic mastectomy (CPM) are satisfied and would elect this procedure again. Satisfaction with CPM was studied an average of 10 years after the procedure was done. The findings were published online Oct. 3 in the Journal of Clinical Oncology.

24 Oct 2005

Blocking a signaling lipid can keep nerves from developing and may even cause neurons to die

Blocking a signaling lipid can keep nerves from developing the arm-like extensions they need to wire the body and may even cause neurons to die, researchers have found.

24 Oct 2005

Leeches, useful tools in the treatment of cardiovascular diseases

The leech has recently confirmed its biomedical interest for scientists by showing that it contains an extensive list of new potential molecules that may become useful tools in the treatment of cardiovascular diseases.

24 Oct 2005

Fair treatment in the workplace associated with a reduced risk of coronary heart disease

A sense of fair treatment in the workplace was associated with a reduced risk of coronary heart disease in a large long-term study of British office workers published in the October 24 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

24 Oct 2005

Quality of care determines heart attack outcomes

Ninety days after acute myocardial infarction (AMI) - or heart attack - death rates for African Americans and white patients were found to be significantly higher in hospitals that disproportionately serve African-American patients than in hospitals that serve mainly white patients, according to a major new study led by researchers at Dartmouth Medical School.

24 Oct 2005

Botulinum toxin successfully treats trigeminal neuralgia

There is another use for botulinum toxin which has brought relief to some who suffer from migraines and eye spasms. Botulinum toxin can also successfully treat intense facial pain called trigeminal neuralgia, according to a study published in the October 25, 2005, issue of Neurology

24 Oct 2005

Research has important implications for autism

New research from Melbourne's Howard Florey Institute helps to explain why children with autism spectrum disorders (autism) have problem-solving difficulties.

24 Oct 2005

Faulty gene may identify those at risk of schizophrenia

Scientists believe they have discovered a genetic defect which could help explain the biological basis of schizophrenia.

24 Oct 2005

New website in Ontario gives info on hospital waiting lists for surgery

In a new initiative patients in Ontario, Canada can now gain information on waiting times for key surgical procedures from a government website designed to track access to various health services.

24 Oct 2005

Freeze treatment for lung cancers - promising and less invasive

Doctors in the UK are using a probe that freezes tumours at temperatures of -190°C to treat lung cancer in patients who otherwise could not have surgery.

24 Oct 2005

Early nerve damage caused by repetitive strain injuries can trigger "sick worker" syndrome

...characterized by malaise, fatigue and depression, and often mistaken for poor performance, according to a study by Ann Barr, Ph.D., and Mary Barbe, Ph.D., at Temple University's College of Health Professions.

24 Oct 2005

First study to examine chemotherapy errors in ambulatory care for cancer patients

In one of the first studies to examine chemotherapy errors in ambulatory care for cancer patients, researchers at Dana-Farber Cancer Institute (DFCI) and Brigham and Women's Hospital (BWH) have found that about three percent of chemotherapy orders in three outpatient infusion clinics studied contained mistakes.

24 Oct 2005

Survival benefits of longer-term tamoxifen use may take years to appear

The survival benefits of longer-term therapy using tamoxifen may take at least nine years to develop, according to a new study published in the December 1, 2005 issue of Cancer, a peer-reviewed journal of the American Cancer Society.

24 Oct 2005