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Dopamine plays critical role in the modulation of sleep, wake, and arousal states

Methamphetamine, the drug of choice for long-distance truckers and college students pulling all-nighters, appears to do a similar trick for fruit flies, too.

12 Jul 2005

New insights into brain cell metabolism from PET and MRI scans

By discovering a crucial piece of submicroscopic information about how the brain converts fuel into energy for neurons, Cornell University biophysicists have gleaned new insights into brain cell metabolism that will allow neurologists to better interpret data from such diagnostic tests as positron emission tomography (PET) scans and a specialized magnetic resonance imaging (MRI) test.

12 Jul 2005

Curcumin has potent anticancer powers

Curcumin, a spice commonly used in curries and other south Asian cooking, blocks a key biological pathway needed for development of melanoma and other cancers, say researchers from the University of Texas M. D. Anderson Cancer Center.

12 Jul 2005

Age may work in reverse when it comes to raising grandchildren

...suggests a University of Florida study that finds younger grandmothers in this role are depressed more often than their older counterparts.

12 Jul 2005

Researchers have pinpointed specific gene and protein over-production in metastatic melanoma

Gene amplification is a process that often happens in cancer cells when the normal DNA replication process is altered, causing many copies of the gene to be produced instead of a single copy of a region of a chromosome.

12 Jul 2005

Possible cure for Huntington's disease

Boosting levels of two critical proteins that normally shut down during Huntington's disease, researchers at the University of Wisconsin-Madison and the Cold Spring Harbor Laboratory have cured fruit flies of the genetic, neurodegenerative condition.

12 Jul 2005

Study focuses on peripheral arterial disease - availability of vascular surgeons impacts amputation rate

Patients with peripheral arterial disease (PAD) are more likely to have a foot or leg amputated if they live in a region that has few vascular surgeons, according to a Rice University/Baylor College of Medicine study published in the July issue of the Journal of Vascular Surgery.

12 Jul 2005

Every baby born in the United States should receive screening for a uniform panel of 29 disorders

Expanded newborn screening is now required by law in dozens of states, but most infants still are not covered by the full panel of 29 tests recommended by experts, according to the March of Dimes 2005 state-by-state report card on newborn screening.

12 Jul 2005

Current scientific understanding does not justify the reduction of the daily salt intake for healthy people

In a reaction to the European Food Safety Authority's (EFSA) announcement at the end of June, the European Salt Producers' Association, in brief EuSalt, maintains its position that the current scientific understanding does not justify the reduction of the daily salt intake for healthy people.

12 Jul 2005

Sirna Therapeutics granted new UK patents

Sirna Therapeutics has announced that the United Kingdom (UK) Patent Office has granted the Company two additional short interfering RNA (siRNA) target patents. The first patent covers any siRNA with one or more chemical modifications targeting Vascular Endothelial Growth Factor (VEGF).

12 Jul 2005

Outer lining of the umbilical cord is a rich source of stem cells

CellResearch Corporation in Singapore and its team of scientists, headed by Chief Scientist, Dr Phan Toan Thang, have recently made a revolutionary discovery: that the outer lining of the umbilical cord is a rich source of stem cells.

12 Jul 2005

Sunscreen plays a much more important role than just protecting against sunburn

The number of nevi, or moles, a person has is known to be a strong predictor of the future risk of developing skin cancer, particularly melanoma, the most deadly form of the disease. This number also is believed to be affected by the amount of sun exposure an individual receives.

12 Jul 2005

X-ray crystallography images show how a protein called alpha-actinin performs molecular ballet

As a cell moves forward, physical stress on its skeleton triggers molecular fingers and arms to grasp each other in reinforcing links that stabilize the skeleton, according to images produced by investigators at St. Jude Children's Research Hospital.

12 Jul 2005

Obese men may not process carbohydrates as efficiently as obese women

Obese men may not process carbohydrates as efficiently as obese women, a condition that can, ultimately, lead to a decrease in fitness level and the development of metabolic disorders.

12 Jul 2005

Gambling and sex addiction caused by Parkinson's drug

According to a doctor at a clinic in the U.S., a certain category of drug, which is often prescribed for Parkinson's disease, can cause some patients to become compulsive gamblers or addicted to sex.

11 Jul 2005

Many local health directors unsure of authority to curtail smoking

Local health department directors across North Carolina are confused about state laws covering whether their facilities can be made smoke-free, but still strongly support such policies, according to a new University of North Carolina at Chapel Hill study.

11 Jul 2005

Costs of coronary artery bypass graft surgery more than 80 percent higher in US than in Canada

Although there are no differences in clinical outcome, the in-hospital cost of coronary artery bypass graft surgery (CABG) in the U.S. is 82.5 percent higher in the U.S. than in Canada, according to a study in the July 11 issue of Archives of Internal Medicine.

11 Jul 2005

Congenital central hypoventilation syndrome (CCHS) offers clues to SIDS, sleep apnea

Imagine raising a child who stops breathing when falling asleep - and has to be reminded to visit the bathroom after drinking a Big Gulp. That's the dilemma faced by parents of children born with congenital central hypoventilation syndrome (CCHS).

11 Jul 2005

Giving oxygen may do more harm than good

Doctors and paramedics who give their patients oxygen - the most commonly administered "drug" in the world - may be doing more harm than good, a Queen's University researcher contends.

11 Jul 2005

Overactive dopamine receptors may help explain anorexia nervosa symptoms

Just why those with anorexia nervosa are driven to be excessively thin and seem unaware of the seriousness of their condition could be due to over-activity of a chemical system found in a region deep inside the brain, a University of Pittsburgh study suggests.

11 Jul 2005

Medical News

Dopamine plays critical role in the modulation of sleep, wake, and arousal states

New insights into brain cell metabolism from PET and MRI scans

Curcumin has potent anticancer powers

Age may work in reverse when it comes to raising grandchildren

Researchers have pinpointed specific gene and protein over-production in metastatic melanoma

Possible cure for Huntington's disease

Study focuses on peripheral arterial disease - availability of vascular surgeons impacts amputation rate

Every baby born in the United States should receive screening for a uniform panel of 29 disorders

Current scientific understanding does not justify the reduction of the daily salt intake for healthy people

Sirna Therapeutics granted new UK patents

Outer lining of the umbilical cord is a rich source of stem cells

Sunscreen plays a much more important role than just protecting against sunburn

X-ray crystallography images show how a protein called alpha-actinin performs molecular ballet

Obese men may not process carbohydrates as efficiently as obese women

Gambling and sex addiction caused by Parkinson's drug

Many local health directors unsure of authority to curtail smoking

Costs of coronary artery bypass graft surgery more than 80 percent higher in US than in Canada

Congenital central hypoventilation syndrome (CCHS) offers clues to SIDS, sleep apnea

Giving oxygen may do more harm than good

Overactive dopamine receptors may help explain anorexia nervosa symptoms

Small solutions for big problems in drug discovery and delivery

Professor Nancy Ip: Pioneering New Paths in Neurodegenerative Therapy

Utilizing process Raman in optimizing cultivated meat production

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