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Medical News from News-Medical.Net - 20th November 2006

Yeast model system may provide a means for treating the earliest stage of Alzheimer's
//Medical Research News
A century ago this month, German psychiatrist Alois Alzheimer formally described characteristics of the neurodegenerative disease which ultimately came to bear his name. While international efforts to learn about Alzheimer's disease and develop treatments have progressed significantly in recent years, a cure remains an elusive goal.
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Research sheds light on episodic memory
//Medical Research News
Memories of events comprise many components--including sights, sounds, smells, and tastes. Somehow the many features of an episodic memory are woven together into a coherent whole, and researchers have had little understanding of how this binding takes place as the memories are processed by the brain's memory center, the hippocampus.
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Cardiologists say a dramatic change is needed in treating some heart patients
//Medical Research News
According to researchers at Johns Hopkins University in the U.S. a dramatic change is needed in the way hundreds of thousands of Americans with a form of heart failure should be treated.
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Cancer Research Technology to present discovery updates at BioEurope 2006
//Medical Research News
Cancer Research Technology Limited (CRT), the oncology-focused development and commercialisation company, today announce that Phil L'Huillier, the Director of Business Management, will present at the BioEurope 2006 Annual International Partnering Conference.
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New protein structure found - important for drug discovery
//Medical Research News
Understanding and replicating the diverse ways in which cellular proteins fold and interconnect is key to understanding life processes and major disorders, such as Parkinson's disease.
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Food can have an impact in preventing cancer
//Medical Research News
With cancer, researchers don't believe "you are what you eat"; that disease is always a direct result of what is, or what isn't, on your dinner plate.
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Brookhaven target new anti-SARS virus drugs
//Medical Research News
Scientists at Brookhaven National Laboratory have set the stage for the rapid identification of compounds to fight against severe acquired respiratory syndrome (SARS), the atypical pneumonia responsible for about 800 deaths worldwide since first recognized in late 2002.
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DNA analysis could boost accuracy of thyroid tests
//Medical Research News
By fine-tuning "fine-needle aspiration" biopsies with a super-fast genetic microarray technology, a team of surgeons from NewYork-Presbyterian Hospital/Weill Cornell Medical Center in New York City says they can greatly enhance the accuracy of these tests.
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Scientists discover how androgen plays a role in the development of prostate cancer
//Medical Research News
Scientists have discovered for the first time a specific biochemical pathway by which the sex hormone, androgen, increases levels of harmful chemicals called reactive oxygen species (ROS) in the prostate gland that play a role in the development of prostate cancer.
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Scientists shed light on the roll of junk DNA
//Medical Research News
University of Iowa scientists have made a discovery that broadens understanding of a rapidly developing area of biology known as functional genomics and sheds more light on the mysterious, so-called "junk DNA" that makes up the majority of the human genome.
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Gender differences in heart failure
//Medical Research News
Women tend to live longer with heart failure than do men, and they also tend to have a less severe form of the disease, which is characterized by reduced performance of the heart muscle, according to a study by Duke University Medical Center cardiologists.
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Proteins may behave differently in natural environments
//Medical Research News
When in an environment similar to that in which they exist naturally, proteins and multiprotein assemblies may demonstrate actions or dynamics different than those they exhibit when in the static form in which they are most often studied, said researchers at Baylor College of Medicine in a report in the current issue of the journal Structure.
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Gene expression and lung cancer prognosis
//Medical Research News
While there have been significant advances in the use of gene expression profiling to assess a cancer prognosis, a Mayo Clinic review and analysis of existing lung cancer studies shows that this technology has not yet surpassed the accuracy of conventional methods used to assess survival in lung cancer patients.
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Evolution is driving therapeutic resistance to cancer therapies
//Medical Research News
The dynamics of evolution are fully in play within the environment of a tumor, just as they are in forests and meadows, oceans and streams.
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Experimental drug provides powerful therapy against acute myeloid leukemia
//Medical Research News
Researchers at The University of Texas M. D. Anderson Cancer Center have found, in laboratory studies, that the experimental drug ABT-737 which has shown promise in some cancers, can destroy acute myeloid leukemia (AML) blast, progenitor and even stem cells that are often resistant to standard chemotherapy treatment.
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Novel way of tackling diseases related to the immune system
//Medical Studies/Trials
A new study has suggested a novel way of combating diseases related to the immune system, including cancer and autoimmune diseases such as type I diabetes and arthritis. The study, funded by the Wellcome Trust, appears online in the journal Nature.
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Faster heart attack patients treated, the better their likelihood of survival
//Medical Studies/Trials
Hospitals that provide the most rapid emergency angioplasty have specific strategies to expedite the care of patients with heart attacks, researchers at Yale School of Medicine report in the November 13 New England Journal of Medicine.
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Brits to trial stem cell treatment for heart attack victims
//Medical Studies/Trials
In an experimental treatment which aims to prevent heart failure and death following a heart attack, doctors in Britain will trial a treatment which uses a patients own stem cells.
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Pioglitazone may help slow progression of artery wall thickening
//Medical Studies/Trials
A medication given to diabetics to improve their body's sensitivity to insulin also appears to slow the thickening of their artery walls, according to a study posted online by JAMA: The Journal of the American Medical Association.
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Safety of t-PA clot-busting therapy questioned
//Medical Studies/Trials
Across the world, emergency medical teams often administer a powerful clot-busting drug called tissue plasminogen activator (t-PA) to help patients stricken by heart attack.
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Safety gear for young athletes offers little protection from sudden death
//Medical Studies/Trials
New research has shown that the sports safety gear worn by young athletes may not give them protection from sudden death caused by a blow to the chest.
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Speeding up initial treatment means more victims survive heart attacks
//Medical Studies/Trials
According to a newly published study, far more heart attack victims would survive if hospitals applied some simple, timesaving strategies.
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Thiazolidinediones may reduce cardiovascular risks
//Medical Studies/Trials
A drug commonly used to increase the body's sensitivity to insulin may slow the progression of cardiovascular disease in patients with type 2 diabetes, according to a study at the University of Illinois at Chicago College of Medicine.
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Sleep apnea treatment curbs aggression in sex offenders
//Medical Studies/Trials
Obstructive sleep apnea (OSA) affects up to 20% of men in western cultures, 5% of whom experience significant physical symptoms.
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Community occupational therapy for patients with dementia and their caregivers
//Medical Studies/Trials
Occupational therapy can help to improve the ability of people with dementia patients to perform daily activities and can also reduce the pressure on their caregivers, says a British Medical Journal study.
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Structured exercise may enhance seniors' physical functioning
//Medical Studies/Trials
A structured exercise program may boost the physical well-being of sedentary seniors who are at risk of losing independent functioning, a new study to be published in the November 2006 Journal of Gerontology: Medical Sciences has found.
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Cause of exercise intolerance in heart failure patients
//Medical Studies/Trials
A new study shows that blood flow to the legs is relatively normal in people with diastolic heart failure, suggesting other potential causes of their inability to do everyday activities, according to researchers at Wake Forest University Baptist Medical Center.
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Pharmacy care programs for elderly improve health outcomes
//Medical Studies/Trials
A pharmacy care program for elderly patients increases medication adherence, which results in improved health outcomes, according to a study posted online by JAMA: The Journal of the American Medical Association.
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Link between common lifestyle factors, immune system and cancer
//Medical Studies/Trials
The immune system is fickle, and easily influenced by more than just viruses and bacteria. It can be swayed by the seemingly unexpected, such as by what we eat, for example, and affected by surprising sources.
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Waltzing is the way to mend a broken heart!
//Medical Studies/Trials
Italian researchers have found that in patients recovering from heart attacks dancing the waltz was as effective as routine training programs for improving heart health.
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Environment the culprit in women's higher risk of MS
//Women's Health News
Researchers in the UK are suggesting that there is an environmental link to the rising number of women being diagnosed with multiple sclerosis (MS) in Canada.
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For divorced women health pays the price ten years down the line
//Women's Health News
A 10-year study by researchers at Iowa State University has revealed that women who divorce give up more than just a husband.
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HPV test is a better long-term predictor of cervical cell abnormalities than pap smear
//Women's Health News
The best initial cervical cancer screening tool for younger women is still the traditional Pap smear. However, a large Danish study has found that for older women (age 40 and older), a test for human papillomavirus (HPV) is a much more effective way to screen for potential cancer.
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Older women also susceptible to eating disorders
//Women's Health News
According to a new study, even women in their 60s, are unhappy with their weight and body shape, and a small percentage suffer from full-blown eating disorders.
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Distress, psychiatric syndromes, and impairment of function in women with newly diagnosed breast cancer
//Women's Health News
Almost half of newly diagnosed breast cancer patients are found to have clinically significant emotional distress or symptoms of psychiatric disorders before treatment is begun, according to a new study published in the December 15, 2006 issue of CANCER, a peer-reviewed journal of the American Cancer Society.
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IVF success compromised by heavy smoking
//Women's Health News
Fertility experts say the women who are heavy smokers are less likely to become pregnant through IVF treatment, even when donated eggs are used.
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40% of U.S. women ages 18 to 75 know about human papillomavirus
//Women's Health News
Forty percent of U.S. women ages 18 to 75 have heard about human papillomavirus and of those women, 20% are aware that it can cause cervical cancer, according to the National Cancer Institute's 2005 Health Information National Trends Survey, which was presented on Sunday at the American Association for Cancer Research's Frontiers in Cancer Prevention Research Meeting in Boston, Reuters Health reports.
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Oklahoma Health Board approves parental consent for abortion form; enforcement procedures unclear
//Women's Health News
It is unclear how a consent form approved last week by the Oklahoma State Board of Health for the state's law requiring parental consent for minors seeking abortion will be enforced and which agency will enforce it, the Tulsa World reports.
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Cigarette smoking and high HPV concentrations associated with greater risk of cervical cancer
//Women's Health News
Cigarette smoking and concurrent infection with high levels of the virus associated with cervical cancer can increase cancer risk by as much as 27 times, according to a study published in the November 2006 issue of Cancer Epidemiology, Biomarkers & Prevention.
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