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Science News Archive March 2006 - Page 13


Page 13 of 18

The first clinical test for saliva-based oral cancer detection: Ready now!

Scientists have developed a standardized saliva RNA test for oral cancer detection, showing high accuracy rates in detecting oral cancer. The test has been confirmed to be highly accurate in identifying four saliva oral cancer RNA biomarkers, reducing mortality and morbidity for oral cancer patients.

JCI table of contents, March 9, 2006

Researchers found that inhibiting an enzyme in the liver, CPT1A, improved feeding behavior and blood sugar levels in obese rats. The study suggests a biochemical pathway involved in nutrient sensing may play a critical role in diet-induced obesity and insulin resistance.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 9, 2006

Outsmarting the smartie bug

Researchers sequenced and analyzed over 1.8 million genetic codes to determine functions of genes involved in polysaccharide capsule production. The new vaccine protects children from many common serotypes, but monitoring is needed to track potential changes in capsular types.

SourcePLOS·JournalPLOS Genetics·DateMar 9, 2006

Light-based device probes for early cancer signs

A light-based device probe has been developed to detect early cancer signs in the esophagus, emitting light that scatters when it hits the cell nucleus. The technology could be adapted to detect pre-cancerous cells on any organ's surface, potentially increasing the likelihood of cancer detection.

SourceDuke University·JournalOptics Letters·DateMar 9, 2006

Identifying gems and minerals on Earth and on Mars

Robert Downs is almost halfway to creating a library of spectral fingerprints for all the Earth's minerals, with over 1,500 cataloged so far. The associate professor of geosciences is collaborating with colleagues to develop a pocket-sized Raman spectrometer for use on Mars and handheld instruments for identifying gemstones on Earth.

Fluoridated beverage consumption and dental fluorosis: There's a connection

Research suggests that high fluoride intake from beverages during infancy and early childhood increases the risk of dental fluorosis in permanent incisors. Consuming more 100% juice and infant formulas with naturally high water fluoride concentrations also contribute to increased fluoride intakes.

'Looking' at Eyeless from two directions

A team of scientists has identified 21 key genes that are targets of the Eyeless protein, which plays a crucial role in eye development. This breakthrough could lead to new insights into how eyes develop in fruit flies and humans, potentially shedding light on diseases related to vision.

SourceBaylor College of Medicine·JournalGenome Research·DateMar 8, 2006

Corrective cosmetics may not boost quality of life for women with severe facial blemishes

Women who used corrective cosmetics to cover severe facial blemishes reported lower health-related quality of life than those who didn't wear makeup. The study found no difference in quality of life based on the type or size of the blemish, but highlighted the psychological impact of facial marks on self-image and social functioning.

SourceOhio State University·JournalInternational Journal of Dermatology·DateMar 8, 2006

Formula feeding, early introduction of infant food may not contribute to childhood obesity

Researchers used dual-energy X-ray absorpiometry (DXA) to measure adiposity, finding no significant difference in fat mass between breastfed and non-breastfed children. Early introduction of complementary foods did not lower fat mass either. Breastfeeding still provides numerous benefits for mother and child.

SourceChildren's Hospital of Philadelphia·JournalAmerican Journal of Clinical Nutrition·DateMar 8, 2006

State children's health insurance program affects access to dental care and use of dental services

A study examining six years of data from the National Health Interview Survey found that SCHIP implementation increased the use of dental services by 49.5% and reduced unmet dental needs by 21.2% among low-income children. These effects resulted in a measurable improvement in access to dental care for the entire low-income population.