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Nanog protein promotes growth of head and neck cancer 2013-07-04

By Ohio State University Medical Center

Researchers have identified a biochemical pathway in cancer stem cells that is essential for promoting head and neck cancer. The study shows that a protein called Nanog, which is normally active in embryonic stem cells, promotes the growth of cancer stem

A new wrinkle in smoking research 2013-07-04

By University of Wisconsin-Milwaukee

If health concerns won’t get college students to quit smoking, maybe experiencing the future will. A researcher tested a video game showing social smokers what they might look like after 20 years.

Concussion patients show Alzheimer's-like brain abnormalities 2013-07-04

By Radiological Society of North America

The distribution of white matter brain abnormalities in some patients after mild traumatic brain injury (MTBI) closely resembles that found in early Alzheimer's dementia, according to a new study.

Total amount of exercise important, not frequency, research shows 2013-07-04

By Canadian Science Publishing (NRC Research Press)

Getting at least 150 minutes of exercise per week is paramount for health but choosing how to schedule the exercise is not.

Exposure to high pollution levels during pregnancy may increase risk of having child with autism 2013-07-04

By Harvard School of Public Health

Women in the US exposed to high levels of air pollution while pregnant were up to twice as likely to have a child with autism as women who lived in areas with low pollution.

Solitary mutation destroys key 'window' of brain development 2013-07-04

By Scripps Research Institute

Scientists have shown in animal models that brain damage caused by the loss of a single copy of a gene during very early childhood development can cause a lifetime of behavioral and intellectual problems.

Virus combination effective against deadly brain tumor 2013-07-04

By Moffitt Cancer Center

A combination of the myxoma virus and the immune suppressant rapamycin can kill glioblastoma multiforme, the most common and deadliest malignant brain tumor, according to new research. Researchers says the combination has been shown to infect and kill bot

How a mutated protein outwits evolution and fuels leukemia 2013-07-04

By NYU Langone Medical Center

Scientists have discovered the survival secret to a genetic mutation that stokes leukemia cells, solving an evolutionary riddle and paving the way to a highly targeted therapy for leukemia. A new article describe how a mutated protein, called Fbxw7, behav

The genome's 3-D structure shapes how genes are expressed 2013-07-04

By Garvan Institute of Medical Research

Scientists bring new insights to our understanding of the three-dimensional structure of the genome, one of the biggest challenges currently facing the fields of genomics and genetics.

New technology reduces, controls CT radiation exposure in children: CT scan radiation reduced by 37 percent 2013-07-04

By Cincinnati Children's Hospital Medical Center

Patients at certain hospitals are being exposed to significantly less radiation during CT scans because of new technology that allows doctors to more tightly control radiation doses. The first-of-its-kind imaging software reduced overall radiation exposur

Sleep deprivation in teens linked to poor dietary choices 2013-07-04

By Stony Brook Medicine

Well-rested teenagers tend to make more healthful food choices than their sleep-deprived peers, according to a new study. The finding may be key to understanding the link between sleep and obesity.

Potential treatment strategies for multiple sclerosis 2013-07-04

By Cell Press

Myelin, the fatty coating that protects neurons, is destroyed in diseases such as multiple sclerosis. Researchers have been striving to determine whether oligodendrocytes, cells that produce myelin, can be stimulated to make new myelin. Using live imaging

Exercise benefits patients with type 2 diabetes 2013-07-04

By Radiological Society of North America

Moderate-intensity exercise reduces fat stored around the heart, in the liver and in the abdomen of people with type 2 diabetes mellitus, even in the absence of any changes in diet, according to a new study.

Why our prehistoric, parasitic 'jumping' genes don't send us into meltdown 2013-07-04

By University of Nottingham

A new study reveals for the first time how the movement and duplication of segments of DNA known as transposons, is regulated. This prevents a genomic meltdown, and instead enables transposons to live in harmony with their hosts — including huma

Finding the way to lung tumors by GPS 2013-07-04

By SINTEF

The innumerable divisions of the bronchi often turn the hunt for tumors in the lungs into a game of chance. But soon, lung specialists will be able to navigate accurately inside the airways by GPS.

Unexpected discovery of the ways cells move could boost understanding of complex diseases 2013-07-04

By Harvard School of Public Health

A new discovery about how cells move may provide scientists with crucial information about disease mechanisms such as the spread of cancer or the constriction of airways caused by asthma. Scientists found that epithelial cells move in a group, propelled b

Nearly 7 in 10 Americans are on prescription drugs 2013-07-04

By Mayo Clinic

Nearly 70 percent of Americans are on at least one prescription drug, and more than half take two, researchers say.

Genes involved in birth defects may also lead to mental illness 2013-07-04

By University of California, San Francisco (UCSF)

Gene mutations that cause cell signaling networks to go awry during embryonic development and lead to major birth defects may also cause subtle disruptions in the brain that contribute to psychiatric disorders such as schizophrenia, autism, and bipolar di

Early-life air pollution linked with childhood asthma in minorities 2013-07-04

By University of California, San Francisco (UCSF)

Scientists have found that exposure in infancy to nitrogen dioxide (NO2), a component of motor vehicle air pollution, is strongly linked with later development of childhood asthma among African Americans and Latinos.

Tool to detect hydrogen sulfide 2013-07-04

By University of Oregon

Chemists have developed a selective probe that detects hydrogen sulfide (H2S) levels as low as 190 nanomolar (10 parts per billion) in biological samples. They say the technique could serve as a new tool for basic biological research and as an enhanced de

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