hippocampus, cell & molecular biology
Short, Strong Signals
Short, Strong Signals
Ruth Williams | Mar 25, 2015
Methylation increases both the activity and instability of the signaling protein Notch.
Irisin Skepticism Goes Way Back
Irisin Skepticism Goes Way Back
Kerry Grens | Mar 18, 2015
Post-publication peer reviewers had questioned data about the supposed fat-browning enzyme from the get-go.
Modifying Memories During Sleep
Modifying Memories During Sleep
Anna Azvolinsky | Mar 9, 2015
Researchers create a link between a location and a reward in sleeping mice.
Long Live Collagen
Long Live Collagen
Ashley P. Taylor | Mar 1, 2015
Increased collagen expression is a common feature of many different pathways to extended longevity in worms.
Growth Hormone Guidance
Growth Hormone Guidance
Jenny Rood | Mar 1, 2015
Intact growth hormone signaling pathways are needed for methionine restriction to extend mouse lifespan.
Weiwei Dang: Epigenetics in Aging
Weiwei Dang: Epigenetics in Aging
Jef Akst | Mar 1, 2015
Assistant Professor, Huffington Center On Aging, Baylor College of Medicine. Age: 38
Evolutionary Rewiring
Evolutionary Rewiring
Ruth Williams | Feb 26, 2015
Strong selective pressure can lead to rapid and reproducible evolution in bacteria.
Stem Cells Phone Home
Stem Cells Phone Home
Jef Akst | Feb 26, 2015
A screen of 9,000 small molecules identifies a treatment that improves the targeting of mesenchymal stem cells to sites of damaged tissue.
The Dark Side of Melanin
The Dark Side of Melanin
Anna Azvolinsky | Feb 19, 2015
Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.
Signs of Sleep Deprivation in the Blood
Signs of Sleep Deprivation in the Blood
Bob Grant | Feb 11, 2015
Circulating fats and acids drop in people and rats that aren’t getting enough sleep.