Once the primary cells are grown in a dish, they
quickly stop dividing and can't be used for repeated experiments.
In September a European team reported coaxing human embryonic stem cells from an «arrested» IVF embryo — one that had
stopped dividing before it reached the blastocyst stage and thus died a natural death.
Ever since the Protestant mouvement started, christians have
never stop dividing themselves into all sorts of stupid denominations, like Jehovahs witnesses, methodist, evangelicals, etc..
«Plant cells survive but
stop dividing upon DNA damage: NAIST researchers show the molecular pathway through which plants cease cell division upon DNA damage.»
Tris wishes everyone would
stop dividing human beings based on arbitrary, inescapable characteristics.
ensure respect for FPIC including full transparency in all aspects of their operations and
stop dividing communities to obtain FPIC.
He and his co-authors, Vogelstein and Kenneth Kinzler, PhD, revealed how, through the p53 and p21 genes, cancer
cells stop dividing after being exposed to damaging anti-cancer treatments.
This this requires that
we stop dividing people into churched and unchurched, saved and unsaved, Christian and Non-Christian.
But if we could unite, if we could love one another, if we could agree that love for others was more important than being right about the rapture, then maybe the church would
stop dividing over doctrine, and start showing the world what the love of God really looks like.
We must
stop dividing each other with meaningless beliefs and begin working towards common goals.
Poorer quality embryos and those with chaotic, abnormal chromosome rearrangements are unable to do this properly and
stop dividing.
Stop dividing them,» said de Blasio spokeswoman Karen Hinton.
Stop dividing us along ethnic and race lines.»
Levels of NAD dropped, and the neural stem cells
stopped dividing; they stopped renewing themselves; and they stopped being able to create important cells that insulate axons, the «wires» that carry electrical signals throughout the brain.
When they reach what's called their threshold length, cells
stop dividing, become senescent, and eventually die.
But cells
stop dividing and die when telomeres drop below a certain length — a normal part of ageing.
Within 7 weeks, all cells had
stopped dividing, the scientists report in the October Nature Medicine.
At this point, healthy cells
stop dividing, whereas cancerous ones continue.
They're pushing cells to the brink of cancer because the cells will grow faster with the virus embedded inside and won't be able to
stop dividing.
By studying the molecular profiles of the cancer cells as they grew in the lab, the team found that many appeared to have hit a «telomere crisis» and
stopped dividing.
Within hours, the cells
stopped dividing.
To determine which strains yielded increased lifespan, the researchers counted yeast cells, logging how many daughter cells a mother produced before
it stopped dividing.
If they get short enough, the cell dies or
stops dividing.
The drug inhibits the Aurora Kinase A signaling pathway, causing cells to
stop dividing.
Once these are snipped too much by imperfect copying, a cell goes into senescence and
stops dividing.
Cell - culture studies show that when telomeres can no longer shield chromosomes from damage, cells
stop dividing or become unstable.
They claim this is the first time living animals have been cloned from cells that have
stopped dividing.
They have long been known to shorten with age, and when they reach a critical length, cells
stop dividing.
When its telomeres become too short, a cell
stops dividing and eventually dies.
Scientists think that normal cells, which apparently lack the telomerase enzyme,
stop dividing and die off appropriately after 50 to 100 divisions when their telomeres are worn to the nub.
For example, researchers are trying to replace the damaged gene that signals cells to
stop dividing (the p53 gene) with a copy of a working gene.
It is helpful to remember that neurons are cells that have
stopped dividing.
She is widely recognized for her work on senescent cells — older cells that have
stopped dividing — and their influence on aging and cancer.
Reporting in the May 8 issue of Cancer Cell, Semenza and his colleagues found that if they reversed the switch and forced kidney cancer cells to start making mitochondria again, the cells produced increased amounts of free radicals, which can cause cells to
stop dividing or even die.
They remain alive for a time after
they stop dividing, but sometime after cellular division ends, cells do a particularly disturbing thing: Essentially, they commit suicide.
At 32 degrees these cells behave normally, while at 39 degrees
they stop dividing.
It is these signals that alert cells when to grow, divide,
stop dividing, etc..
In a colony of healthy cells this is a tightly regulated process that is mediated through a complex set of chemical processes that signal the cells when to divide and when to
stop dividing.
Autophagy alleviates the body burden of senescent cells that have
stopped dividing but are still robbing the body of essential nutrients and energy.