News tagged with mammalian cells

When DNA is out of place

When DNA that turns up in the wrong place in mammalian cells, the innate immune system reacts by secreting interferons. The structure and mode of action of the enzyme that mediates this response have now been elucidated.

Jun 04, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast

How the brain folds to fit

During fetal development of the mammalian brain, the cerebral cortex undergoes a marked expansion in surface area in some species, which is accommodated by folding of the tissue in species with most expanded ...

Apr 26, 2013
popularity 4.5 / 5 (2) | comments 0

Immune response linked to key enzyme

(Medical Xpress)—A previously unknown function of a family of enzymes familiar to biologists may contribute to scientists' understanding of signaling molecules involved in the body's immune response and ...

Apr 12, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast

Genetic master controls expose cancers' Achilles' heel

In a surprising finding that helps explain fundamental behaviors of normal and diseased cells, Whitehead Institute scientists have discovered a set of powerful gene regulators dubbed "super-enhancers" that control cell state ...

Apr 11, 2013
popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Transmission routes of spreading protein particles

In diseases like Alzheimer's and Parkinson's endogenous proteins accumulate in the brain, eventually leading to the death of nerve cells. These deposits, which consist of abnormally formed proteins, are supposed to migrate ...

Mar 27, 2013
popularity 5 / 5 (1) | comments 0 | with audio podcast