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Breakdown of myelin may be the cause of Huntington's disease

Last month, Dr. George Bartzokis, director of the UCLA Memory Disorders and Alzheimer's Disease Clinic, suggested in the journal Alzheimer's & Dementia that the breakdown of a type of myelin that develops late in life promotes the buildup of toxic amyloid plaques long associated with Alzheimer's disease.

16 Jun 2007

Tumor vessels identified by unique molecular markers

Results from a new study have made it easier for scientists to distinguish between growing blood vessels in healthy tissues and those that are associated with tumors.

16 Jun 2007

Childbirth-related hospitalizations among adolescent girls

The rate of teenage and younger girls giving birth in U.S. hospitals dropped by a quarter between 1997 and 2004 - from 55 to 41 admissions per 100,000 girls under age 18 - according to the latest News and Numbers from the Agency for Healthcare Research and Quality.

16 Jun 2007

The unexpected connection of two gene regulation mechanisms points to new ways for the fight against leukemia

When the activity of individual genes it is longer required, there are two main mechanisms responsible for the “switching off”, mainly DNA methylation and the Polycomb protein complex. Sometimes, these mechanisms lose their efficiency and some of the genes that should be "switched off" remain active.

16 Jun 2007

Folic acid supplements do not reduce risk of precancerous colon tumors

Taking folic acid supplements does not reduce the risk of developing precancerous tumors in the colon and may even increase the risk, a new study has found.

16 Jun 2007

Scientists extend life of fruit fly

In a triumph for pests, scientists have figured out how to make the fruit fly live longer.

16 Jun 2007

Early life sun exposure linked to melanomas with BRAF gene mutations

Skin cancers often contain different gene mutations, but just how these mutations contribute to the cause of melanomas has been a mystery.

16 Jun 2007

Type of insurance coverage linked to more advanced cancers

Two new studies find the uninsured and people with certain types of public health insurance are more likely to be diagnosed with more advanced cancer compared to those with private insurance.

16 Jun 2007

Stroke study sheds light on left-right brain divide

Research into the effects of strokes has furthered our understanding of the different roles of the left and right sides of our brains.

16 Jun 2007

Snake venom medication

A chemist at the Vienna University of Technology (TU Vienna) is looking for unusual structures in snake venom and plans to prove their medical effectiveness.

16 Jun 2007

Steps for children to get a good nights sleep

Over the past decade, children have been going to bed later and sleeping less.

16 Jun 2007

Mild sleep loss affects children's speech

Research examining the impact of sleep in school-age children suggests that even mild sleep loss produces marked deficits in their cognitive development and functioning.

16 Jun 2007

Sleep disorders common among police officers

Sleep disorders are common, costly and treatable, but often remain undiagnosed and untreated.

16 Jun 2007

Sleep problems can influence a person's diet

Sleep problems can influence a person's diet.

16 Jun 2007

Lack of sleep compromises airport baggage screeners' ability to detect rare targets

A lack of sleep may affect the performance of airport employees, which can, in turn, compromise the safety of airline passengers.

16 Jun 2007

Sensitivity to diverse range of chemotherapeutic drugs linked to common pathway

Using a functional genomic screen, scientists have defined elements that impact the responsiveness of cancer cells to drugs commonly used as anticancer therapeutics.

15 Jun 2007

New model shows how simple chemical and physical processes may have laid the foundation for life

Before life emerged on earth, either a primitive kind of metabolism or an RNA-like duplicating machinery must have set the stage, so experts believe.

15 Jun 2007

Affluent society faces greater risks for skin cancer

Skin cancer levels have shown a significant increase in Northern Ireland since the early 1990s and are more likely to affect men, older people and those living in more affluent areas, according to a study just published in the June issue of British Journal of Dermatology.

15 Jun 2007

Researchers find new mechanism of action of the anti-cancer drug sorafenib

Virginia Commonwealth University Massey Cancer Center researchers have uncovered a new mechanism of action of the anti-cancer drug sorafenib, which could stimulate the development of novel regimens in which it is combined with other molecularly targeted agents for patients with blood cancers and solid tumors.

15 Jun 2007

Urocanic acid linked to a deadly parasite of the developing world

Researchers at the University of Pennsylvania have found a link between some of the world's most common parasites that cause infection and disease throughout the developing world and their attraction to a chemical secreted from human and animal skin.

15 Jun 2007