Brightsurf Science News & Current Events

April 21, 2013
Intensity modulated radiotherapy reduces side effects in patients with early breast cancer
Intensity modulated radiotherapy gives better results than standard radiotherapy in patients with early breast cancer, according to results from a randomized trial presented on Sunday to the 2nd Forum of the European Society for Radiotherapy and Oncology.

Study: Low-dose aspirin stymies proliferation of 2 breast cancer lines
Regular use of low-dose aspirin may prevent the progression of breast cancer, according to results of a study by researchers at the Veterans Affairs Medical Center in Kansas City, Mo., and the University of Kansas Medical Center.

Using induced pluripotent stem cells, scientists can better study human disease
Rudolf Jaenisch of the Whitehead Institute for Biomedical Research and Massachusetts Institute of Technology will speak at EB 2013 on the topic of stem cells, pluripotency and nuclear reprogramming.

A scientist on a mission
When thousands of experimental biology researchers gather in Boston this weekend, many of them undoubtedly will be presenting work related to the hunt for the next generation of antibiotics and how to battle back existing and emerging superbugs.

More evidence berries have health-promoting properties
Adding more color to your diet in the form of berries is encouraged by many nutrition experts.

Biggest family tree of human cells created by scientists at the University of Luxembourg
In a paper published today by the prestigious journal, Nature Methods, biologists at the University of Luxembourg, Tampere University of Technology and the Institute for Systems Biology in Seattle, USA, have created the biggest family tree of human cell types.

Intranasal neuropeptide Y may offer therapeutic potential for post-traumatic stress disorder
Stress triggered neuropsychiatric disorders take an enormous personal, social and economic toll on society.

New immune cells hint at eczema cause
Sydney researchers have discovered a new type of immune cell in skin that plays a role in fighting off parasitic invaders such as ticks, mites, and worms, and could be linked to eczema and allergic skin diseases.

Lost your keys? Your cat? The brain can rapidly mobilize a search party
A contact lens on the bathroom floor, an escaped hamster in the backyard, a car key in a bed of gravel: How are we able to focus so sharply to find that proverbial needle in a haystack?

Even a few cigarettes a day increases risk of rheumatoid arthritis
Number of cigarettes smoked a day and the number of years a person has smoked both increase the risk of rheumatoid arthritis, finds research in BioMed Central's open access journal Arthritis Research & Therapy.

2 days of staging as effective as 4 for high-altitude climbs
Conventional knowledge suggests that to avoid acute mountain sickness, climbers need to

Genetics defines a distinct liver disease
For the first time, scientists show that a leading cause of liver transplant, primary sclerosing cholangitis (PSC), is a distinct disease from inflammatory bowel disease, opening up new avenues for specific PSC treatments.

Change diet, exercise habits at same time for best results, Stanford study says
Researchers at the Stanford University School of Medicine have discovered that focusing on changing exercise and diet at the same time gives a bigger boost than tackling them sequentially.

Green spaces may boost wellbeing for city dwellers
New research published in the journal Psychological Science has found that people living in urban areas with more green space tend to report greater wellbeing than city dwellers that don't have parks, gardens, or other green space nearby.

Social stress and the inflamed brain
Depression is the leading cause of disability with more than 350 million people globally affected by this disease.

A noninvasive avenue for Parkinson's disease gene therapy
Researchers at Northeastern University in Boston have developed a gene therapy approach that may one day stop Parkinson's disease in it tracks, preventing disease progression and reversing its symptoms.

A check on tension
Abnormal numbers of chromosomes are found in the cells of about 90 percent of cancers, so understanding how healthy dividing cells ensure that each of their daughters receive an equal number of chromosomes is important to cancer biology.

Development of novel therapies for endothelial damage may heal atherosclerotic plaques
Heart disease and approximately half of all strokes are the results of advanced atherosclerosis with damaged endothelium, the inner lining of blood vessels.

Starting with 2 health behaviors may be better than 1
The increase in obesity levels suggests that methods of motivating people to eat healthier and get more exercise are not successful.

Stem cell transplant restores memory, learning in mice
For the first time, human embryonic stem cells have been transformed into nerve cells that helped mice regain the ability to learn and remember.

Indiana University associate professor earns APS's Henry Pickering Bowditch Award
Heart disease has been the No. 1 killer in the US for several decades.

Commonly used drug can limit radiation damage to lungs and heart for cancer patients
Unavoidable damage caused to the heart and lungs by radiotherapy treatment of tumors in the chest region can be limited by the administration of a drug commonly used in the treatment of cardiovascular disease, an ACE inhibitor, a group of Dutch researchers have found.

Recreational use of HIV antiretroviral drug linked to its psychoactivity
More than 1 in 270 people in the US are living with HIV and every 9.5 minutes someone is else is infected.

Sniffing out solutions for millions of Americans with smell loss
Snot. It's not something most of us spend a lot of time thinking about, but, for a team of researchers in Washington, D.C., it's front and center.

Hundreds of alterations and potential drug targets to starve tumors identified
A massive study analyzing gene expression data from 22 tumor types has identified multiple metabolic expression changes associated with cancer.

Discovery brings hope of new tailor-made anti-cancer agents
Scientists at the Walter and Eliza Hall Institute and their collaborators have tailor-made a new chemical compound that blocks a protein that has been linked to poor responses to treatment in cancer patients.

New dietary analysis tool for athletes debuts
A new website application for athletes called Dietary Analysis Tool for Athletes has been validated as accurately recording dietary intake based on the 24-hour recall method.

Earth's current warmth not seen in the last 1,400 years or more, says study
Fueled by industrial greenhouse gas emissions, Earth's climate warmed more between 1971 and 2000 than during any other three-decade interval in the last 1,400 years, according to new regional temperature reconstructions covering all seven continents.

Structure of cell signaling molecule suggests general on-off switch
A three-dimensional image of one of the proteins that serves as an on-off switch as it binds to receptors on the surface of a cell suggests there may be a sort of main power switch that could be tripped.
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