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Science News Archive March 2008 - Page 13


Page 13 of 19

Insecticide combo delivers knockout punch

A combination of an insect protein and Bt toxin kills crop pests more effectively than either ingredient alone, inhibiting growth rate and reducing resistance. Researchers found a synergistic effect increasing mortality rates by over 10 times.

SourcePenn State·JournalPLOS ONE·DateMar 11, 2008

A new mouse model of mania

Researchers have created a new mouse model of mania, allowing them to study the complex interactions between genetic and environmental factors contributing to bipolar disorder. The study found that mice missing the GluR6 gene exhibited symptoms of mania, including increased activity, reduced anxiety, and aggressive behavior.

SourceMolecular Psychiatry·JournalMolecular Psychiatry·DateMar 11, 2008

Modern physics is critical to global warming research

Researchers like Brad Marston use statistical physics to analyze climate patterns, providing insights into the driving concepts behind global warming. By focusing on the larger mechanisms that drive changes in rainfall, scientists can improve their understanding of climate change and its effects.

SourceBrown University·JournalJournal of the Atmospheric Sciences·DateMar 11, 2008

Specialized hospital care associated with better survival in Dutch ovarian cancer patients

A nationwide study in the Netherlands found that women diagnosed with early-stage ovarian cancer treated at semispecialized or specialized hospitals survived longer than those treated at general hospitals. The estimated five-year survival improved with increasing specialization of the treatment facility, from 38% to 40.3%.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 11, 2008

Biologists at UC San Diego identify key protein in cell's 'self-eating' function

UC San Diego researchers have identified a novel protein called Atg30 that controls peroxisome degradation, a process linked to cell growth, aging, and homeostasis. The discovery allows scientists to control this aspect of cellular autophagy, potentially leading to new insights into aging, immunity, neurodegeneration, and cancer.

SourceUniversity of California - San Diego·JournalDevelopmental Cell·DateMar 11, 2008

Confronting the challenge of antimicrobial resistance

The National Institute of Allergy and Infectious Diseases (NIAID) is addressing the growing challenge of antimicrobial resistance through a multifaceted research approach. The institute is investing over $800 million annually in basic and translational research to understand the causes, consequences, and treatments of antimicrobial dru...

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalThe Journal of Infectious Diseases·DateMar 10, 2008

Advanced-stage ovarian cancer patients with BRCA live longer, may respond better to treatment

Researchers found advanced-stage ovarian cancer patients with non-Ashkenazi Jewish BRCA mutations experience longer progression-free and overall survival rates compared to those without BRCA mutations. Additionally, a majority of women with ovarian cancer are unaware that BRCA testing is available, despite it potentially improving thei...

New technique puts DNA profiling of E. coli on fast track

Scientists at Michigan State University have developed a new genetic technique that allows for rapid analysis of E. coli bacteria using single nucleotide polymorphisms (SNPs). This breakthrough enables the identification of specific bacterial groups and their associated toxins, which can help predict disease outbreaks.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

Scientists simulate pandemic influenza outbreak in Chicago

Researchers used computer simulation models to examine the impact of various intervention strategies on a pandemic influenza outbreak in a population similar to Chicago. The study found that providing preemptive household antiviral treatments and minimizing contact could play a major role in reducing the spread of illness.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

New UC analysis shows alarming increase in expected growth of China's carbon dioxide emissions

A new analysis by economists at the University of California, Berkeley and UC San Diego shows a significant increase in China's carbon dioxide emissions growth, far surpassing previous estimates. The study predicts an annual growth rate of at least 11 percent for China between 2004 and 2010.

SourceUniversity of California - San Diego·JournalJournal of Environmental Economics and Management·DateMar 10, 2008

Research shows promise for potential new gene therapy strategy for muscle-wasting diseases

Researchers identified a protein called follistatin that could lead to new clinical treatments for musculoskeletal diseases, including Duchenne muscular dystrophy. Gene-delivery therapy involving FS treated hind leg muscles of mice, resulting in increased muscle mass and strength, well-tolerated for over two years.

SourceNationwide Children's Hospital·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

Make or break time for osteoporosis treatment

A recent study published in Osteoporosis International found that up to 50% of postmenopausal women with osteoporosis stop their treatment within a year due to side effects. The study showed that fractures have significant physical, psychological, and social implications on patients' quality of life.

SourceSpringer·JournalOsteoporosis International·DateMar 10, 2008

University of Pittsburgh researchers crack code of 3-D structure in key metabolic protein

Researchers at the University of Pittsburgh School of Medicine have deciphered the three-dimensional structure of a membrane-bound enzyme crucial to glycerol metabolism, a vital source of energy. The breakthrough could lead to advances against obesity, diabetes, and other diseases.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

IT pros with MBAs earn 46 percent more, says Management Insights study

A recent study by Management Insights found that IT professionals with MBAs earn 46% more than those without. In contrast, IT professionals with master's degrees other than an MBA earn 37% less. The study analyzed data on over 50,000 IT professionals in the US and found that firms value IT experience more than non-IT experience.

Biopsy techniques have made PSA test less predictive

A new study found that improved biopsy techniques have reduced the correlation between prostate-specific antigen (PSA) levels and positive biopsy results in men with a normal digital rectal exam. The study suggests that PSA tests are less useful for prostate cancer screening, highlighting the need for new diagnostic markers.

SourceWiley·JournalCancer·DateMar 10, 2008

Evolved resistance to deadly toxic newts

A new study reveals that some snakes have evolved super-resistance to the toxic newt's poison, rendering it ineffective. This rare exception highlights a previously unknown aspect of co-evolutionary arms races and challenges our understanding of species interactions.

SourcePLOS·JournalPLOS Biology·DateMar 10, 2008

Handheld DNA detector

A portable DNA sequencer could aid environmental scientists, clinicians, and medical researchers in detecting genetic disorders. A new type of electronic device, the ion-selective field-effect transistor (ISFET), is being integrated into a DNA biosensor to measure changes in conductivity.

SourceInderscience Publishers·JournalInternational Journal of Nanotechnology·DateMar 10, 2008