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Science News for June 23, 2011


Synthetic collagen from maize has human properties

Researchers have successfully produced synthetic collagen in maize with similar levels of proline hydroxylation to human collagen. This breakthrough enables the production of a protein with human-like modifications, making it suitable for various applications in reconstructive and cosmetic surgery, as well as the food industry.

SourceBMC (BioMed Central)·JournalBMC Biotechnology·DateJun 23, 2011

Finding is a feather in the cap for researchers studying birds' big, powerful eyes

A study published in the Journal of Biological Chemistry reveals that a protein called globin E plays a crucial role in supplying oxygen to the avian retina. This finding helps explain how birds evolved large eyes without a dense network of ocular capillaries, and sheds light on the unique properties of the avian eye.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Biological Chemistry·DateJun 23, 2011

BUSM study identifies new potential approaches to treat myelofibrosis

Researchers at Boston University School of Medicine have identified a possible new approach to treating myelofibrosis by inhibiting an enzyme that forms scar tissue in the bone marrow. The study found that inhibiting this enzyme resulted in a significant decrease in the burden of myelofibrosis, offering a potential new avenue for treat...

SourceBoston University School of Medicine·JournalJournal of Biological Chemistry·DateJun 23, 2011

Smartphone app helps you find friends in a crowd

Researchers at Ohio State University have developed a smartphone app called eShadow that uses nearby wireless networks to alert users of a friend's presence. The software enables meaningful face-to-face conversations and builds bridges between strangers who share similar interests, providing a complement to online social networks.

Ovenbirds eavesdrop on chipmunks to protect nests

Ovenbirds and veeries use chipmunk calls to identify safe nesting spots, avoiding areas with high predator activity. By eavesdropping on chipmunk vocalisations, birds can select optimal locations for their nests, reducing the risk of predation.

SourceWiley·JournalJournal of Animal Ecology·DateJun 23, 2011

Youth cybercrime linked to friends' influence

A new study led by Michigan State University criminologist Thomas Holt reveals that peer influence and low self-control are major factors driving juvenile cybercrime such as hacking and online bullying. Parents are encouraged to be more proactive with their kids, discussing ethical dilemmas and using parental-control software.

SourceMichigan State University·JournalAmerican Journal of Criminal Justice·DateJun 23, 2011

Treating chronic pain as part of a multidimensional palliative care strategy reduces symptom distress and improves quality of life in cancer patients

A holistic approach to treating cancer pain that addresses psychological, social, and spiritual needs can enhance treatment outcomes and ease suffering. Research suggests integrating palliative care from diagnosis can improve quality of life, reduce depression, and increase survival time for lung cancer patients.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJun 23, 2011

'Good' cholesterol function as important as its levels

Researchers have found that HDL cholesterol from patients with coronary artery disease has impaired anti-inflammatory effects on blood vessel-lining cells and fails to stimulate repair of the blood vessel lining. This study highlights the importance of considering not just abundance but also biological functions of HDL in preventing CAD.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJun 23, 2011

Who goes there? Novel complex senses viral infection

A study identified a novel sensor that is necessary to activate the immune response to viral infection. The research highlights the complex and overlapping mechanisms used by immune cells to detect viruses, providing insights into the development of more effective antiviral therapeutics.

SourceCell Press·JournalImmunity·DateJun 23, 2011

Next-generation gene sequencing brings personal genomics closer, IDs mutation in new syndrome

A research team has identified the disease-causing mutation in a newly characterized rare genetic disease using DNA from just a few individuals. The VAAST tool, developed by Mark Yandell and Martin G. Reese, uses rapid and accurate gene-sequencing techniques to pinpoint mutations in individual patients.

SourceChildren's Hospital of Philadelphia·JournalAmerican Journal of Human Genetics·DateJun 23, 2011

In motor learning, it's actions, not intentions, that count

Researchers at Harvard University's Neuromotor Control Lab found that motion-referenced learning, where the brain learns from actual movements rather than intended actions, can improve learning efficiency. This approach may lead to more effective neurological rehabilitation for individuals with stroke or other motor disorders.

SourceHarvard University·JournalPLOS Computational Biology·DateJun 23, 2011

Commonly prescribed treatments incapable of eliminating pain or restoring function in most people with chronic pain

The study highlights large gaps in the evidence base for treating chronic non-cancer pain, emphasizing the need for a multi-faceted approach that considers physical and emotional functioning. Researchers urge further investigation into combination treatments to identify effective therapies for specific patient characteristics.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJun 23, 2011

What makes a happy meal?

Researchers found that ghrelin hormone is required for prolonged psychosocial stress to promote preference and intake of high-fat food in mice. This discovery could lead to new therapeutic targets for curbing stress-related food behavior.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJun 23, 2011

When matter melts

Researchers compare theory with data from STAR experiment to establish the temperature boundary where ordinary matter and quark-gluon plasma cross over. The team also finds that the highly dynamical systems of gold-gold collisions achieve thermal equilibrium.

JCI table of contents: June 23, 2011

Researchers discovered that ghrelin is required for prolonged psychosocial stress to promote preference for high-fat food in mice. A ketogenic diet also suppresses seizures by reducing adenosine levels, while HDL from patients with coronary artery disease has different effects on blood vessel lining cells compared to healthy individuals.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJun 23, 2011

A thermometer for dinosaurs

Researchers from the University of Bonn analyzed fossil teeth from two giant herbivorous dinosaurs, Camarasaurus and Brachiosaurus, using a chemical thermometer to determine their body temperatures. The analysis revealed that both dinosaurs had a body temperature between 36 and 38 degrees Celsius.

SourceUniversity of Bonn·JournalScience·DateJun 23, 2011

Helping deaf people to enjoy music again

A two-year project aims to improve music appreciation in cochlear implant users through innovative music workshops and a computer tool kit of listening exercises. Researchers will develop materials and compositions specifically designed for cochlear implant users, aiming to boost self-confidence and enjoyment.

New insights into origin of deadly cancer

Researchers discovered that Barrett's esophagus, a precursor to esophageal cancer, arises from a small group of leftover embryonic cells present in all adults. This finding opens up new avenues for therapeutic intervention to prevent the progression of cancer. The study used mouse models and identified specific cell surface markers to ...

SourceHarvard Medical School·JournalCell·DateJun 23, 2011

Building a better math teacher

A math education professor argues that advanced courses in mathematics do little to contribute to effective teaching, and instead suggests that teachers focus on developing a deeper understanding of mathematics with their students. This approach can help prevent student frustration and prepare them for a knowledge-based economy.

SourceUniversity of Calgary·JournalScience·DateJun 23, 2011

Discovering lost salmon at sea

Researchers from the University of Southampton have discovered a way to track Atlantic salmon's feeding grounds in the North Atlantic. By analyzing the chemistry of their scales, scientists can now identify where individual rivers' salmon migrate to feed, revealing surprising differences in their ocean experiences.

SourceNational Oceanography Centre, UK·JournalScientific Reports·DateJun 23, 2011

Effects of stress can be inherited, and here's how

Researchers have found that stress can be inherited through epigenetic changes, affecting gene expression and potentially influencing diseases like heart disease, diabetes, and schizophrenia. This discovery has implications for the impact of stress on future generations.

SourceCell Press·JournalCell·DateJun 23, 2011

Sleep switch found in fruit flies

Researchers found a group of approximately 20 cells in the brains of fruit flies that controls when and how long they sleep. This sleep state is essential for long-term memory formation, suggesting a connection between memory and sleep. The discovery opens up new possibilities for understanding sleep and its role in memory consolidation.

SourceWashU Medicine·JournalScience·DateJun 23, 2011

AGU journal highlights -- June 23, 2011

Scientists studied contrail effects on climate, finding a small positive contribution from line-shaped contrails. Researchers also investigated Aboriginal forest burning's influence on the Australian summer monsoon, discovering it altered local climate and extended dry season.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateJun 23, 2011