Medical Research News

RSS

Early schizophrenia symptoms include unusually high CA1 subfield activity

In the first functional magnetic resonance imaging (fMRI) study of its kind, neurologists and psychiatrists at Columbia University have identified an area of the brain involved in the earliest stages of schizophrenia and related psychotic disorders.

7 Sep 2009

Nanotubes destroy kidney tumors

By injecting multiwalled carbon nanotubes (MWCNTs) into tumors and heating them with a quick, 30-second zap of a laser, a multi-institutional team of researchers from the Wake Forest University School of Medicine (WFUSOM), Wake Forest University Center for Nanotechnology and Molecular Materials, Rice University, and Virginia Polytechnic Institute and State University has developed a new type of therapy that effectively kills kidney tumors in nearly 80% of treated mice. Researchers say that the findings, which were published in the Proceedings of the National Academy of Sciences of the United States of America, suggest a potential future cancer treatment for humans.

7 Sep 2009

Nanoparticle-delivered suicide gene therapy effectively reduces ovarian tumor burden in mice

Nanoparticle delivery of diphtheria toxin-encoding DNA that expresses selectively in ovarian cancer cells reduced the burden of ovarian tumors in mice, and researchers expect that this therapy could be tested in humans with advanced ovarian cancer within 18 to 24 months, according to a report in Cancer Research. If additional tests are successful, these finding could lead to a new treatment for ovarian cancer, which now causes more than 15,000 deaths each year in the United States. Because it is usually diagnosed at a relatively late stage, ovarian cancer is one of the most deadly forms of the disease.

7 Sep 2009

People with genetic risk of bowel cancer decline genetic testing

An Australian study of families with genetic risk of bowel cancer has found that 50 percent of participants declined genetic testing when informed of insurance implications.

7 Sep 2009

CLU and PICALM genes associated with Alzheimer's disease

British scientists have discovered two new genes associated with Alzheimer's disease, while French colleagues uncovered a third. The results, from the largest ever Alzheimer's genome-wide association study (GWAS) involving 16,000 individuals, are published in Nature Genetics. They are the first new genes found to be associated with the common form of Alzheimer's disease since 1993.

7 Sep 2009

IRS1 gene could lead to better treatment of type 2 diabetes

A breakthrough by an international team of researchers in Canada, France, the UK and Denmark has uncovered a new gene that could lead to better treatment of type 2 diabetes, as well as a better understanding of how this widespread disease develops.

7 Sep 2009

Manuka honey inhibits MRSA infections by killing bacterial proteins

Manuka honey may kill bacteria by destroying key bacterial proteins. Dr Rowena Jenkins and colleagues from the University of Wales Institute - Cardiff investigated the mechanisms of manuka honey action and found that its anti-bacterial properties were not due solely to the sugars present in the honey.

7 Sep 2009

Scientists identify new genetic variations that are associated with type 2 diabetes

Scientists have identified a genetic variation in people with type 2 diabetes that affects how the body's muscle cells respond to the hormone insulin, in a new study published today in Nature Genetics.

7 Sep 2009

SoftScan clinical results from a breast cancer treatment monitoring study to be presented at IEEE International Conference

ART Advanced Research Technologies Inc. (ART) (TSX:ARA), a Canadian medical device company and a leader in optical molecular imaging products for the healthcare and pharmaceutical industries, is pleased to announce that Dr. Gregory Czarnota, MD, PhD, Radiation Oncologist at Odette Cancer Centre, Sunnybrook Health Sciences Centre, will be presenting SoftScan® clinical results from a breast cancer treatment monitoring study, at the IEEE Engineering in Medicine and Biology Society 31st Annual International Conference in Minneapolis, Minn.

5 Sep 2009

Angiotensin II receptors not detectable in pregnant or preeclamptic women

A new study by researchers at Wake Forest University School of Medicine reveals a key component in the development of preeclampsia in pregnant women, a condition that can result in miscarriage and maternal death.

5 Sep 2009

Insomnia increases blood pressure

Can't sleep at night? A new study published in the journal Sleep has found that people who suffer from insomnia have heightened nighttime blood pressure, which can lead to cardiac problems. The investigation, which measured the 24-hour blood pressure of insomniacs compared to sound sleepers, was conducted by researchers from the Universit- de Montr-al, its affiliated H-pital du Sacr--C-ur de Montr-al Sleep Disorders Centre and the Universit- Laval.

5 Sep 2009

Study reveals elevated cTnT levels in post-CABG patients

Levels of a biomarker used in the diagnosis of heart attacks are almost universally elevated in patients who have undergone coronary-artery bypass grafting (CABG) and, when markedly elevated, are powerfully prognostic, a team of researchers from the Massachusetts General Hospital (MGH) Heart Center has found.

5 Sep 2009

Defective chemical bond in biological tissue may be the reason for diseases, say researchers

Researchers at Vanderbilt University Medical Center led by Billy Hudson, Ph.D., have discovered a new chemical bond in biological tissue, a fundamental discovery that helps explain evolutionary adaptation in the animal kingdom and may shed light on human disease.

4 Sep 2009

Researchers identify new molecular switch that produces cancer cells

A team of Syracuse University researchers discovered a second molecular switch within the Mixed Lineage Leukemia protein complex that they believe could be exploited to prevent the overproduction of abnormal cells that are found in several types of cancer, including leukemia.

4 Sep 2009

No performance enhancing effect of quercetin seen, according to a study

The antioxidant quercetin is increasingly being marketed as a supplement that boosts athletic performance, but a new University of Georgia study finds that it is no better than a placebo.

4 Sep 2009

Eating at irregular times influences weight gain

Eat less, exercise more. Now there is new evidence to support adding another "must" to the weight-loss mantra: eat at the right time of day.

4 Sep 2009

Brain screening tests may do more harm than good

Researchers warn that paid-for brain scans - increasingly popular with healthy people who want to allay fears about undiagnosed brain cancer and stroke - may do more harm than good.

4 Sep 2009

Type 2 diabetic people not consuming healthy diets

People with type 2 diabetes are not consuming sufficiently healthy diets and could benefit from ongoing nutritional education and counseling, according to a new study by researchers at Wake Forest University School of Medicine and colleagues.

4 Sep 2009

Y chromosome may be responsible for a range of sex disorders

The unique mechanism behind the evolutionary survival of the human Y chromosome may also be responsible for a range of sex disorders, from failed sperm production to sex reversal to Turner Syndrome.

3 Sep 2009

Nicotine replacement therapy before surgery can prevent common complications

People who start nicotine replacement therapy at least four weeks before surgery can halve their risk of poor wound healing. This is what the German Institute for Quality and Efficiency in Health Care (IQWiG) concludes in information published on informedhealthonline.org today.

3 Sep 2009