Sentences with phrase «young cells»

Being in the right place at the right time is vital for young cells in a developing embryo.

Within the bone marrow, the virus is responsible for destruction of young cells of the immune system.

It is also an avenue to voice their opinions and discuss issues that are relevant to young cell biologists.

A recent American Journal of Botany paper explains that conventional trees experience a secondary growth phase — replacing functional tissues with younger cells — but palm trees do not.

For her master's project, Pereira - Smith showed that senescent cells resist the oxidative damage caused by light exposure better than young cells do.

They found that elderly cells made the transition in less time, but younger cells converted more cells that secreted more calcium long - term.

As young cells mature and prepare to produce antibodies, however, these genes move to the interior of the nuclei.

In the cold seep worm, the cells at the edges of the trophosome die at about the rate that new cells are produced, slowing the worm's growth and keeping the worm stocked with young cells.

The younger cells are better at establishing new connections with other cells.

Rebecca Heald, a young cell biologist at UC Berkeley and the author of the Nature paper, said yes.

As demonstrated by Leonard Hayflick a half - century ago, human cells have a limited replicative lifespan, with older cells reaching this limit sooner than younger cells.

But now that we know what kinds of changes occur as these cells age, we can ask which of these changes reverse themselves when an old cell goes back to becoming a young cell» — as appeared to be the case when tissues of older mice were exposed to blood from younger mice.

Because older progenitor cells can not make the range of neurons a younger cell can give rise to, she says, «the source of stem cells is going to be important.»

The presence or absence of just a few letters of DNA on the end of a chromosome can mean the difference between a young cell and a cell at the end of its lifespan.

So, the aged and the young cell will still have differences.

Notably, the output of A-beta-chewing enzymes in these young cells was robust.

However, at the sites that typically lose methylation with age, the younger cells also showed reduced methylation levels.

This «rejuvenating» effect of young immune cells was mediated in part by the greater efficiency of the young cells in clearing away myelin debris created by the demyelinating injury.

Studies show that newborn babies possess billions of brain cells; however, these young cells lack the complex neural interconnectivity that is characteristic of a mature, fully - functional human brain.