Sentences with phrase «long time the cells»

If DNA damage persists for a very long time the cells may eventually turn the checkpoints off without waiting for the DNA to get repaired.

Not exact matches

He's already played a thunderous trailer for Halo 4, the forthcoming instalment of Microsoft's bestselling alien shoot -»em - up, and now dims the lights again for another preview, this time for Splinter Cell: Blacklist, the next title in the long - running super-spy series.

For a long time, recurring billing was the purview of cell phone providers, cable companies, or SaaS businesses.

Center said hydrogen fuel cells are the «ultimate technology for the long term» because the cars boast faster re-fill times, perform better in colder weather, and offer longer ranges than electric vehicles.

Weldon J. Rougeau, a long - time civil rights activist, has considered the issue of diversity from many perspectives — as director of the office of federal contract compliance programs at the U.S. Department of Labor during the Carter administration, as president of the Congressional Black Caucus Foundation and even as a prisoner for 78 days (58 of them in solitary confinement) in a Baton Rouge, La., jail cell when he was a student activist.

The transitional species are oddly lacking in the fossil record.The chance development of a single cell (with DNA) is pretty difficult to explain even if you grant an evolutionist the longest period of time reasonably possible for the existance of the earth.

I was in a cell for a long time after that, but I was reading the Bible for a few hours every day.

I've known that in a general sort of way for a long time, but the concept really hit me earlier in the semester when I started taking biology and learning more about cells and nutrition.

You should feel free to let the bread rise longer, as well; adding rise time can give the dough the benefit of getting «comfortable in its skin,» so to speak, as it more gradually building the cell structure.

The long - time coach of the Falcon was also making his way to the bus while recounting the highlights of the game to someone on his cell phone.

Anabolic steroids work by helping the body's muscle cells produce more protein which, as long as the athletes works out, leads to increased muscle size and strength and, at the same time, also allows the body to produce more ATP, the «fuel» muscles need to move.

Exposure to either very loud sounds or continuous exposure for long periods of time can bend or break these hair cells.

A study shows, for the first time, how these functional impairments arise: Social isolation during early life prevents the cells that make up the brain's white matter from maturing and producing the right amount of myelin, the fatty «insulation» on nerve fibers that helps them transmit long - distance messages within the brain.

For a long time, insulin was not thought to play a direct role in regulating the milk - making cells of the human breast, because insulin is not needed for these cells to take in sugars, such as glucose.

What's the best way to give it to minimize the number of tumor cells for the longest amount of time?»»

«T - cells were in fashion for a long time,» says retired rheumatologist and researcher Jonathan Edwards.

Once the T cells are primed for action, they may patrol the body for a long time, stopping cancer from taking hold again, Smith says.

Now David He at Creighton University in Omaha, Nebraska, and colleagues have shown that the same gene can repair guinea pigs» existing, damaged hair cells — as long as you get to them in time.

We know that bacterial cells have different ways of metabolizing energy in oxygen - rich environments, but for the longest time we couldn't figure out how they were doing it when oxygen is difficult to access.»

The most attractive feature of the material is that it allows cells to survive over long time periods.

Treating cells simultaneously with docetaxal and dasatinib or administering dasatinib after a longer period of time did not produce the same effects.

Researchers also need to test a large number of battery cells over a long enough period of time under various physical conditions and temperatures to ensure that dendrites will never grow.

A long - standing question has been how to improve the success of BMT by reducing GVHD incidence while, at the same time, preserving the anti-tumor response of donor cells.

«For a long time now, the entire field was collecting data on MYC, LIN41, and other genes and proteins without knowing what most of it meant,» said Yamanaka, who is also director of the Center for iPS Cell Research and Application (CiRA) at Kyoto University, and professor at UC San Francisco.

These cells are able to regenerate themselves for a long time — though not quite as long as stem cells do.

In this process, several hundred times more cells of the so - called myeloid lineage (thrombocytes, erythrocytes, granulocytes, monocytes) form than long - lived lymphocytes (T cells, B cells, natural killer cells) do.

For the first time, scientists have confirmed the long - standing hypothesis that as people age, they accumulate gene mutations in their mitochondria — cells» energy source.

Long - term microfluidic tracking of coccoid cyanobacterial cells reveals robust control of division timing.

However, it takes a very long time for the fluorescent marker to spread evenly into peripheral blood cells, an amount of time that even exceeds the lifespan of a mouse.

Scientists have known for a long time that sensory neurons called TRPV1 cells can detect itchy substances on the skin, says Mark Hoon, a neuroscientist at National Institute of Dental and Craniofacial Research in Bethesda, Maryland.

Think sperm with multiple tails, no tails at all or in the case of one fruit fly, sperm that are nearly 6 cm long — roughly a thousand times longer than a human sperm cell.

«For a long time, biologists have wanted to know how information from the environment sometimes gets transmitted to the next generation,» said Jose, an assistant professor in the UMD Department of Cell Biology and Molecular Genetics.

«A great deal has taken place in plant cells in that incredibly long period of time,» explains Professor Weijers.

One key difference between telomeres and cassette leaders is that leaders stay intact as long as the tape does, whereas telomeres become ever - so - slightly shorter every time the cell replicates itself or is hit by damaging agents like free radicals.

Each time a cell divides, the telomere gets shorter, but its function had long been unclear.

First author Adam Skibinski, M.D. / Ph.D., student at Tufts University School of Medicine and the Sackler School of Graduate Biomedical Sciences at Tufts University, said «We've known for a long time that breast cells can lose their normal identity when they become cancerous, but we are now realizing that normal cells can change their characteristics as well in response to transcription factors like TAZ.

In a decades - long game of hide and seek, scientists from Sydney's Westmead Institute for Medical Research have confirmed for the very first time the specific immune memory T - cells where infectious HIV «hides» in the human body to evade detection by the immune system.

«However, the capillary constriction produced by pericytes may, by restricting the blood supply for a long time, cause further damage to nerve cells even after the clot is removed.

A study led by researchers from Lawrence Berkeley National Laboratory has found for the first time that thirdhand smoke — the noxious residue that clings to virtually all surfaces long after the secondhand smoke from a cigarette has cleared out — causes significant genetic damage in human cells.

Our results can contribute to the development of new drugs against cancer stem cells but, unfortunately, it takes a long time to get from basic research to usable drugs,» says Stina Oredsson.

Another method is for cells to throttle back the processing of glucose during lean times by becoming insulin resistant, which blocks insulin from entering the cell and in essence rations the supply of glucose to last longer while also creating a powerful hunger impulse to drive people to find food.

If the contact allergen remains a long time — as was the case with the patient's implant — different inflammatory cells and molecules become active at the site of the reaction.

«For a long time it was speculated that plant hormones play a role in the formation of a nurse cell system in roots,» says Prof. Dr. Florian Grundler from the Molecular Phytomedicine, University of Bonn.

«There's some concern that if you had Cas9 in your cells for too long of a period of time, it might cause some genomic instability,» Anderson says.

As microglia are very long - lived, the scientists were keen to find out whether environmental factors change these immune cells over time and what effect this can have on brain health.

Once they get damaged, the stem cell — because it lives a long time — can potentially become cancerous.»

The results could only mean that the hot electrons produced in the tin - based solar cells took about a thousand times longer than usual to dissipate their excess energy.

It's similar to how GPS uses the timing of satellite signals to determine the position of your cell phone — and it would mean spacecraft would no longer have to rely on radio telescope communications to find their coordinates.

The noise - intolerant timer typically keeps the competence switch closed, but when the cell is exposed to stress over a long period of time, the timer activates a decision gate that opens brief «windows of opportunity» in which the competence switch can be flipped.

In 2001, he discovered that a strain of yeast made up of unusually small cells and colonies lived about three times longer than normal yeast and was highly protected from DNA damage and aging.