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Science News for December 27, 2006


Jefferson researchers uncover new way nature turns genes on and off

Scientists at Thomas Jefferson University have identified a new mechanism for controlling gene expression in fruit flies, involving non-coding RNAs that regulate HOX genes. This discovery could lead to improved understanding of diseases like ALL and its connection to misregulated HOX genes.

SourceThomas Jefferson University·JournalCell·DateDec 27, 2006

Gene discovered for form of brittle bone disease

Researchers at NIH have discovered a gene responsible for a previously unexplained, fatal form of Osteogenesis Imperfecta. The CRTAP gene plays a crucial role in collagen production and is found to be nonfunctional in patients with this rare disorder, leading to deformed brittle bones.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalNew England Journal of Medicine·DateDec 27, 2006

Inflammatory genes linked to salt-sensitive hypertension

Research suggests that inflammatory genes may play a key role in salt-sensitive hypertension, which affects nearly one-third of Americans. The study investigates the connection between stress, inflammation, and sodium handling, with potential therapeutic implications for high blood pressure management.

SourceMedical College of Georgia at Augusta University·DateDec 27, 2006
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Screening for complex genetic interactions

A large-scale reverse genetic screen has identified complex haploinsufficient interactions in S. cerevisiae, revealing a significant number of genes that interact with actin.

SourceCold Spring Harbor Laboratory·JournalGenes & Development·DateDec 27, 2006

Safer ICUs: Cheap, simple, 'low-tech' steps work

Implementing common-sense measures like hand washing and timely catheter removal can significantly improve ICU patient safety. A study by Johns Hopkins Medicine found that profound improvements in infection rates can be made with minimum cost and effort.

SourceJohns Hopkins Medicine·JournalNew England Journal of Medicine·DateDec 27, 2006