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New tag could enable more detailed structural studies of mammalian proteins

To say our genes are resourceful is a gross understatement. Through ingenious combinations of a paltry 20 amino acids, the basic building blocks of life, genes engineer all of the tissues and organs that are the marvel of our working bodies.

6 May 2009

Tiny gold particles home in on tumors

It has long been known that heat is an effective weapon against tumor cells. However, it's difficult to heat patients' tumors without damaging nearby tissues.

4 May 2009

Discovery of gene associated with narcolepsy

Scientists funded by the National Institutes of Health have identified a gene associated with narcolepsy, a disorder that causes disabling daytime sleepiness, sleep attacks, irresistible bouts of sleep that can strike at any time, and disturbed sleep at night. The gene has a known role in the immune system, which strongly suggests that autoimmunity, in which the immune system turns against the body's own tissues, plays an important role in the disorder.

3 May 2009

Wealthier people choose better diets - but pay more per calorie

As people become more educated, studies have demonstrated that they tend to choose foods that are lower in calories but higher in nutrients. They also pay more. In a study published in the May 2009 issue of the Journal of the American Dietetic Association, researchers from the University of Washington compared the eating habits and food costs of a sample of 164 adults in the Seattle, Washington area.

3 May 2009

Full kidney removal is not always the best treatment for small renal tumors

Nephron-sparing treatments, such as partial nephrectomy, thermal ablation and active surveillance, minimize these risks and are viable options for patients with early-stage (T1a) kidney tumors, according to a new clinical guideline issued by the American Urological Association (AUA).

30 Apr 2009

Dietary acrylamide not linked to increased lung cancer risk in men

Dietary acrylamide was not associated with an increased risk of lung cancer, according to data from a large prospective case-cohort study in the April 28 online issue of the Journal of the National Cancer Institute.

30 Apr 2009

Small differences in our genes shed light on human history

By examining very small differences in people's genes, scientists from Cornell University have developed a new tool for identifying big events in human history and pinpointing the origins of specific gene mutations.

30 Apr 2009

Glutamate identified as predictor of disease progression in multiple sclerosis

UCSF researchers have identified a correlation between higher levels of glutamate, which occurs naturally in the brain as a byproduct of metabolism, and greater disease burden in multiple sclerosis patients.

29 Apr 2009

Early brain activity sheds new light on the neural basis of reading

Most people are expert readers, but it is something of an enigma that our brain can achieve expertise in such a recent cultural invention, which lies at the interface between vision and language.

27 Apr 2009

Better understanding of the brain basis of reading

Most people are expert readers, but it is something of an enigma that our brain can achieve expertise in such a recent cultural invention, which lies at the interface between vision and language.

27 Apr 2009

Predominant risk factors for first urinary tract infections in college-aged women

Increased sexual activity and alcohol consumption were associated with an increased risk of developing urinary tract infections (UTIs), and college-aged women experiencing urinary frequency or urgency should seek medical care to treat what may be their first urinary tract infection (UTI), according to new research presented at the 104th Annual Scientific Meeting of the American Urological Association (AUA)

26 Apr 2009

Scientists learn to induce gamma oscillations in the brain

Scientists have studied high-frequency brain waves, known as gamma oscillations, for more than 50 years, believing them crucial to consciousness, attention, learning and memory.

26 Apr 2009

Brain works best when cells keep right rhythms

It is said that each of us marches to the beat of a different drum, but new Stanford University research suggests that brain cells need to follow specific rhythms that must be kept for proper brain functioning.

26 Apr 2009

Call for better provision for disabled children

Some European countries could make better provision for disabled children to allow them to participate in life on an equal basis with others, concludes a large study published on bmj.com.

23 Apr 2009

Discovery of new pathway of tumourigenesis in humans

The first identification of GP130 somatic activating mutations in human tumours was announced today at EASL 2009, the Annual Meeting of the European Association for the Study of Liver Disease in Copenhagen, Denmark.

23 Apr 2009

Treating mental disorders in children cost $8.9 billion in 2006

Treating mental disorders in children, such as depression, cost $8.9 billion in 2006, according to the latest News and Numbers from the Agency for Healthcare Research and Quality

23 Apr 2009

The influence of risk-taking behaviors on the transition into marriage

A national study of data collected over 12 years finds that delinquent teens marry earlier than their peers, while substance-abusing teens -- especially girls who abuse marijuana -- marry later than peers, if at all.

22 Apr 2009

Rifampin kinetics poor in children

Rifampin (RMP), a first-line antituberculosis drug, reaches serum concentrations well below suggested lower limits when a standard dose of 8-12mg/kg body weight is given to children.

22 Apr 2009

A nanoscale motor in the ear

Utah and Texas researchers have learned how quiet sounds are magnified by bundles of tiny, hair-like tubes atop "hair cells" in the ear: when the tubes dance back and forth, they act as "flexoelectric motors" that amplify sound mechanically.

22 Apr 2009