ScienceDaily: Biotechnology News |
- Molecular path from internal clock to cells controlling rest and activity revealed
- Exercise triggers stem cells in muscle
- Tiny mountainous region in Siberia may have been genetic source of earliest Native Americans
- First complete 3-D visualization of vitamin D receptor
| Molecular path from internal clock to cells controlling rest and activity revealed Posted: 07 Feb 2012 05:28 PM PST The molecular pathway that carries time-of-day signals from the body's internal clock to ultimately guide daily behavior is like a black box, says a researcher. Now, new research is taking a peek inside, describing a molecular pathway and its inner parts that connect the well-known clock neurons to cells governing rhythms of rest and activity in fruit flies.  |
| Exercise triggers stem cells in muscle Posted: 06 Feb 2012 11:39 AM PST Researchers have determined that an adult stem cell present in muscle is responsive to exercise, a discovery that may provide a link between exercise and muscle health. The findings could lead to new therapeutic techniques using these cells to rehabilitate injured muscle and prevent or restore muscle loss with age.  |
| Tiny mountainous region in Siberia may have been genetic source of earliest Native Americans Posted: 26 Jan 2012 09:36 AM PST A tiny mountainous region in southern Siberia may have been the genetic source of the earliest Native Americans, according to new research.  |
| First complete 3-D visualization of vitamin D receptor Posted: 24 Jan 2012 06:27 AM PST For the first time, scientists have obtained a high-resolution, full 3-D image of a small but vital molecule locked up within our cells: the vitamin D receptor.  |
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