ScienceDaily: Biotechnology News |
- Faulty fat sensor implicated in obesity and liver disease
- New brain connections form in clusters during learning
- Protein that sends 'painful touch' signals identified
| Faulty fat sensor implicated in obesity and liver disease Posted: 19 Feb 2012 11:32 AM PST Defects in a protein that functions as a dietary fat sensor may be a cause of obesity and liver disease, according to a new study. The findings highlight a promising target for new drugs to treat obesity and metabolic disorders.  |
| New brain connections form in clusters during learning Posted: 19 Feb 2012 11:32 AM PST New connections between brain cells emerge in clusters in the brain as animals learn to perform a new task, according to a new study. The findings reveal details of how brain circuits are rewired during the formation of new motor memories.  |
| Protein that sends 'painful touch' signals identified Posted: 19 Feb 2012 11:30 AM PST Researchers report that they have identified a class of proteins that detect "painful touch." Scientists have known that sensory nerves in our skin detect pressure, pain, heat, cold, and other stimuli using specialized "ion channel" proteins in their outer membranes. They have only just begun, however, to identify and characterize the specific proteins involved in each of these sensory pathways. The new work provides evidence that a family of sensory nerve proteins known as piezo proteins are ion channel proteins essential to the sensation of painful touch.  |
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