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Science News for October 7, 2012


A novel oncogenic network specific to liver cancer initiation

Researchers have deciphered how a stress-inducible gene regulator, AP-1, controls the survival of liver tumor-initiating cells. Altering these proteins in mice impaired liver cancer development, providing new insights into liver cancer initiation.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalNature Cell Biology·DateOct 7, 2012
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Breathe in, breathe out: New way of imaging lungs could improve COPD diagnosis and treatment

A new approach to lung scanning, called parametric response mapping, allows for better distinction between early-stage small airway disease and emphysema in patients with chronic obstructive pulmonary disease (COPD). The technique enables precise diagnosis and treatment planning, as well as tracking COPD progression over time.

SourceMichigan Medicine - University of Michigan·JournalNature Medicine·DateOct 7, 2012

Bariatric surgery not silver bullet for sleep apnoea

New research reveals bariatric surgery does not significantly improve obstructive sleep apnoea in severely obese individuals. Weight loss through surgical or medically-supervised means results in comparable improvements in OSA severity.

SourceMonash University·JournalJAMA·DateOct 7, 2012

Researchers identify potential new neuroprotective agent for stroke patients

A new study suggests that NA-1, a neuroprotective agent, may reduce brain lesions and damage after stroke surgery. The research found significantly fewer lesions in patients who received the drug compared to those who received a saline control, although there was no difference in volume of lesions recorded.

SourceThe Lancet_DELETED·JournalThe Lancet Neurology·DateOct 7, 2012

Smallest and fastest-known RNA switches provide new drug targets

Researchers have discovered smallest and fastest-known RNA switches, which could provide new targets for drug development. The newly found excited states of RNA molecules offer potential for disrupting HIV replication and interfering with protein assembly in bacterial ribosomes.

SourceUniversity of Michigan·JournalNature·DateOct 7, 2012
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