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Science News for September 16, 2012


Chinese scientists discover MVK mutations associated with DSAP

A Chinese research team found strong genetic evidence linking mevalonate kinase gene (MVK) mutations to disseminated superficial actinic porokeratosis (DSAP), a rare skin disorder. MVK mutations were not detected in other clinical subtypes of Porokeratosis, suggesting they may be specific to DSAP patients.

SourceBGI Shenzhen·JournalNature Genetics·DateSep 16, 2012
Apple iPhone 17 Pro

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Most coral reefs are at risk unless climate change is drastically limited

A new study published in Nature Climate Change warns that most coral reefs will be subject to severe degradation if global warming exceeds 2 degrees Celsius. Only a scenario with strong action on mitigating greenhouse-gas emissions and rapid coral adaptation could save two-thirds of coral reefs.

SourcePotsdam Institute for Climate Impact Research (PIK)·JournalNature Climate Change·DateSep 16, 2012

Drug combination against NRAS-mutant melanoma discovered

Researchers at MD Anderson Cancer Center have identified a promising therapy for NRAS-mutant melanoma patients. By combining two drugs that inhibit proteins Mek and Cdk4, scientists found that the combination shrinks tumors in genetically engineered mouse models.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature Medicine·DateSep 16, 2012

Researchers identify mechanism that leads to diabetes, blindness

Wolfram syndrome is a rare disorder that causes diabetes, hearing and vision loss, nerve cell damage, and early death. Researchers have identified a mechanism related to mutations in the WFS1 gene that affects insulin-secreting beta cells, which could lead to new treatment targets for the disease.

SourceWashU Medicine·JournalNature Cell Biology·DateSep 16, 2012
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How bees decide what to be

Researchers found 155 regions of DNA with different tag patterns in bees, which were mostly regulatory genes known to affect other genes. The epigenetic marks were reversible and connected to the bees' behavior, with more than half of those regions already identified among the original 155 regions.

SourceJohns Hopkins Medicine·JournalNature Neuroscience·DateSep 16, 2012

Chemists develop reversible method of tagging proteins

Researchers have developed a novel method to attach chemical probes to proteins, allowing them to study the biochemistry of naturally formed proteins. The technique enables scientists to understand the mechanisms behind creating better antibiotics, anti-cancer drugs, biofuels, and other natural products.

SourceUniversity of California - San Diego·JournalNature Methods·DateSep 16, 2012