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Science News Archive April 2012 - Page 26


Page 26 of 29

New hormone for lowering blood sugar

Researchers have discovered a hormone that can be produced by fat stem cells to lower blood sugar levels and improve metabolism. The hormone appears to bypass the need for insulin, sending glucose out of the bloodstream and into muscle cells.

SourceCell Press·JournalCell Metabolism·DateApr 3, 2012

Arteries under pressure early on

Researchers found that small arteries showed signs of artery damage and reduced compliance after just six weeks on a high-fat diet, while large arteries remained unaffected. This early stage of damage may be the first step in developing high blood pressure.

SourceSpringer·JournalJournal of Cardiovascular Translational Research·DateApr 3, 2012

Serious complications after esophageal surgery cause lasting health problems in long-term survivors

A new study from Karolinska Institutet found that patients who suffered serious post-operative complications after esophageal cancer surgery had more symptoms of breathlessness, fatigue and eating problems, with impairments lasting for five years. Patients require long-term monitoring to identify and target any problems quickly.

SourceKarolinska Institutet·JournalJournal of Clinical Oncology·DateApr 3, 2012

New compound targets key mechanism behind lymphoma

Researchers at Fox Chase Cancer Center have identified a new compound that targets a key pathway in lymphoma, suggesting it could be the first to hit this critical mechanism. The study found that certain types of lymphoma cells are more vulnerable to the effects of the compound, making them potential candidates for early clinical trials.

Pollen can protect mahogany from extinction

Researchers from the University of Adelaide have discovered that pollen diversity is limited in mahogany forests due to extensive exploitation, affecting seedling growth and forest re-growth rates. The study suggests that collecting high-quality seeds from healthy trees could improve restoration efforts.

SourceUniversity of Adelaide·JournalEcology Letters·DateApr 3, 2012

Are we really a nation of animal lovers?

A new study by the University of Bristol estimated that over 260,000 cats and dogs entered UK rescue organizations in 2009. The majority of these animals were not rehomed but instead cared for until space became available, revealing a significant need for animal adoption and welfare support.

SourceUniversity of Bristol·JournalVeterinary Record·DateApr 3, 2012

Algae biofuels: the wave of the future

Researchers at Virginia Tech have assembled the draft genome of marine algae Nannochloropis gaditana to discover optimal species for producing biodiesel fuel. Genetic modification reveals the algae's potential for industrial-scale biofuel production, a game-changer in fuel research and production.

SourceVirginia Tech·JournalNature Communications·DateApr 3, 2012

Love it or leave it?

A recent study from Concordia University found that employees who feel obligated to stay with their employer are more likely to experience emotional exhaustion. This type of commitment can lead to feelings of indebtedness and loss of autonomy, ultimately contributing to turnover.

SourceConcordia University·JournalHuman Relations·DateApr 3, 2012

'Positive stress' helps protect eye from glaucoma

Scientists at Washington University School of Medicine have devised a treatment that prevents optic nerve injury in glaucoma by exposing mice to low levels of oxygen. The study found that preconditioning induced tolerance protects against neurodegenerative disease, with mice losing only 3% of retinal ganglion cell bodies after 10 weeks.

SourceWashU Medicine·JournalMolecular Medicine·DateApr 3, 2012

New immune defense enzyme discovered

Scientists at Max Planck Institute of Neurobiology have discovered a new serine protease, neutrophil serine protease 4 (NSP4), which forms part of the antibacterial defense arsenal of neutrophil granulocytes. NSP4 could provide a new target for treating diseases involving an overactive immune system.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateApr 3, 2012

How a cancer drug leads to diabetes

Rapamycin, a widely used cancer and transplant drug, leads to diabetes in 15% of patients due to its effect on muscle cells' insulin signal. Researchers discovered that a single transcription factor, YY1, plays a key role in this process. Mice lacking YY1 are protected from diabetes when taking rapamycin.

SourceCell Press·JournalCell Metabolism·DateApr 3, 2012