News tagged with molecular and cell biology

Single gene change increases mouse lifespan by 20 percent

By lowering the expression of a single gene, researchers at the National Institutes of Health have extended the average lifespan of a group of mice by about 20 percent—the equivalent of raising the average human lifespan ...

Aug 29, 2013
popularity 4.9 / 5 (11) | comments 1 | with audio podcast

A new type of nerve cell found in the brain

Scientists at Karolinska Institutet in Sweden, in collaboration with colleagues in Germany and the Netherlands, have identified a previously unknown group of nerve cells in the brain. The nerve cells regulate ...

Dec 21, 2012
popularity 4.3 / 5 (9) | comments 0 | with audio podcast

Eat too much? Maybe it's in the blood

Bone marrow cells that produce brain-derived eurotrophic factor (BDNF), known to affect regulation of food intake, travel to part of the hypothalamus in the brain where they "fine-tune" appetite, said researchers from Baylor ...

Feb 26, 2013
popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Cold viruses point the way to new cancer therapies

Cold viruses generally get a bad rap—which they've certainly earned—but new findings by a team of scientists at the Salk Institute for Biological Studies suggest that these viruses might also be a valuable ...

Oct 16, 2012
popularity 5 / 5 (5) | comments 0 | with audio podcast

Live longer with fewer calories

By consuming fewer calories, ageing can be slowed down and the development of age-related diseases such as cancer and type 2 diabetes can be delayed. The earlier calorie intake is reduced, the greater the effect. Researchers ...

Oct 31, 2011
popularity 5 / 5 (4) | comments 0

Making it easier to make stem cells

The process researchers use to generate induced pluripotent stem cells (iPSCs)—a special type of stem cell that can be made in the lab from any type of adult cell—is time consuming and inefficient. To ...

Sep 25, 2012
popularity 5 / 5 (3) | comments 2 | with audio podcast