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Science News Archive 2006 - Page 58


Page 58 of 178

Oxford review of economic policy

The article highlights the need for effective regulation in markets, arguing that traditional command-and-control approaches are often ineffective. Dieter Helm suggests that market-based instruments like environmental taxes and trade permits can be more efficient and resistant to capture by vested interests.

SourceOxford University Press UK·JournalOxford Review of Economic Policy·DateSep 7, 2006

Diversity training fails to boost minorities into management

A new study by Harvard University researchers finds that diversity training programs have failed to increase minority representation in management positions. In contrast, programs that establish responsibility for diversity, such as equal opportunity staff positions or diversity task forces, have proven most effective.

SourceHarvard University·JournalAmerican Sociological Review·DateSep 7, 2006

Researchers identify key step in cocaine-induced heart enlargement, sudden death

Researchers identified a key step in cocaine-induced heart enlargement, where high concentrations of the drug lead to increased calcium within heart muscle cells, prompting the accumulation of primitive fetal proteins. This process can cause irregular heart rhythms and sudden death, affecting young people between 18-29 years old.

SourceUniversity of South Florida (USF Health)·JournalJournal of Cardiovascular Pharmacology·DateSep 7, 2006

PNP gets a pass to enter cells

Scientists have found a way to get purine nucleoside phosphorylase (PNP) into the cells of mice lacking the enzyme, which could lead to a treatment for individuals with PNP deficiency. The PTD-PNP fusion protein corrected most immune defects in Pnp-deficient mice.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 7, 2006

JCI table of contents: September 7, 2006

Scientists develop method to introduce purine nucleoside phosphorylase (PNP) enzyme into cells of mice with genetic defect, potentially leading to treatment for individuals lacking PNP. Research also sheds light on scavenger receptor BI's role in protecting against heart disease.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 7, 2006

Study of twins finds genetic link to fatigue

A recent study published in The British Journal of Psychiatry found that genetic inheritance is the main cause of unexplained disabling fatigue in children. The research, conducted at Cardiff University, suggests that familial influences play a significant role in both short- and prolonged-duration fatigue.

SourceCardiff University·JournalThe British Journal of Psychiatry·DateSep 7, 2006

From bubbles to capsules

Researchers developed a method to produce silicon dioxide nanocapsules using supercritical carbon dioxide, allowing for controlled delivery of liquids and materials. The resulting nanocapsules have diameters of less than 40 nanometers and walls that are about 2 nanometers wide.

SourceWiley·JournalAngewandte Chemie·DateSep 7, 2006

Pediatric neurosurgeons recommend banning children from ATVs

A 10-year review of ATV-related injuries reveals serious neurological injuries, inpatient rehabilitation, spinal cord injuries, and fatalities among children under 16. Pediatric neurosurgeons recommend banning children from ATVs and implementing mandatory helmet laws, instruction programs, and restricting public use.

SourceWashU Medicine·JournalJournal of Neurosurgery·DateSep 7, 2006

Genome code cracked for breast and colon cancers

Researchers at Johns Hopkins Kimmel Cancer Center have identified close to 200 mutated genes linked to breast and colon cancer. The genetic code reveals distinct pathways for the development of each cancer type, with some genes crucial for tumor formation. The findings provide a foundation for future comprehensive genetic studies.

SourceJohns Hopkins Medicine·JournalScience·DateSep 7, 2006

Study suggests a second dimension to Alzheimer's disease

Researchers discovered that presenilins act as calcium channels, controlling the balance of calcium within cells. This finding may suggest a new avenue for treating Alzheimer's disease by restoring normal calcium levels. The study also highlights the potential for combination therapies targeting both amyloid and calcium signaling.

SourceCell Press·JournalCell·DateSep 7, 2006

Closing in on lethal heart rhythm in young athletes

Researchers at Johns Hopkins Medicine have identified four mutations in the Desmoglein-2 gene as a significant contributor to arrhythmogenic right ventricular dysplasia (ARVD), a condition that causes sudden cardiac death in young athletes. The findings should increase the accuracy of tests to identify those at risk for ARVD.

SourceJohns Hopkins Medicine·JournalAmerican Journal of Human Genetics·DateSep 7, 2006

Climate change rocked cradles of civilization

According to new research, severe climate change was the primary driver of civilization's development. People were forced into close proximity due to diminishing resources, leading to the creation of large urban societies. The transition to urban living resulted in increased inequality, harder lives, and decreased health and nutrition.

Unusual three-drug combo inhibits growth of aggressive tumors

Researchers discover a three-drug combo that inhibits the growth of aggressive prostate tumors by targeting neural signaling molecules and energy sources. The combination, using diuretic amiloride, Parkinson's disease medication carbidopa, and sedative-reversal drug flumazenil, shows promise for potential therapeutic applications.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateSep 7, 2006

Migraine treatment and prevention in women

Migraines are more common in women than previously thought, and prevention is effective but often underused. The study reviews various stages of a woman's life, including childhood, reproductive years, pregnancy, and menopause, to provide guidance for physicians treating female migraine patients.

SourceMayo Clinic·JournalMayo Clinic Proceedings·DateSep 6, 2006