News tagged with human cells

Scientists discover an on/off switch for aging cells

(Medical Xpress)—Scientists at the Salk Institute have discovered an on-and-off "switch" in cells that may hold the key to healthy aging. This switch points to a way to encourage healthy cells to keep dividing ...

Sep 20, 2014
popularity 3.3 / 5 (89) | comments 5

New forms of racism arise in science research

Advances in genetic sequencing are giving rise to a new era of scientific racism, despite decades of efforts to reverse attitudes used to justify the slave trade and Nazi theology, experts said on Friday.

Feb 15, 2014
popularity 2.9 / 5 (35) | comments 13

One in four has alarmingly few intestinal bacteria

All people have trillions of bacteria living in their intestines. If you place them on a scale, they weigh around 1.5 kg. Previously, a major part of these 'blind passengers' were unknown, as they are difficult or impossible ...

Aug 28, 2013
popularity 5 / 5 (12) | comments 1 | with audio podcast

Rock And Rho: Proteins that help cancer cells groove

Biologists at The Johns Hopkins University have discovered that low oxygen conditions, which often persist inside tumors, are sufficient to initiate a molecular chain of events that transforms breast cancer ...

Dec 26, 2013
popularity 5 / 5 (11) | comments 0 | with audio podcast

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