Sentences with phrase «healthy cells do»

These new cells do not function the same way that healthy cells do and they will eventually replace older healthy tissue and cause death.
They found that these diseased cells could take up the nanocrystals, whereas healthy cells do not; they preferentially «stain» the cancer cells, which can clearly be seen under the microscope through their bright luminescence.
To do this, they need far more energy than healthy cells do.
«That would allow us to fine tune the genetic self - destruct code that our particles deliver so that cancer cells die and healthy cells do not.»
These cells divide more rapidly than healthy cells do and continue to accumulate, forming a lump or mass.

Not exact matches

In a healthy body, the immune system can recognize abnormal, cancerous cells, but for people with cancer, it doesn't recognize that the cells are spreading.
As a result, immunotherapy doesn't damage healthy cells.
We do this by growing healthy marine - animal cells on their own, instead of live fish.
Since PSMA's limited on normal cells, the therapy should hammer away at tumors while letting healthy tissues do their job.
The drug has an unfortunate side effect of tricking the immune system into attacking healthy cells, but the relative damage was insignificant compared to what cancer would have done to them.
They include going after the damage to cells done by free radicals, making use of hormone therapy, or caloric restrictions, or vitamin supplements, or, most dramatically, healthy gene selection through pre-implantation genetic diagnosis and even repairing the entire human genome.
Also, why do cancer cells transplanted into healthy organs often not develop into tumours.
Importantly, HAMLET kills only cancer cells and does not affect healthy cells.
When you have anemia, your blood doesn't have enough healthy red blood cells to carry oxygen to your tissues and to your baby.
However, do remember that because the trophoblastic cells of the embryo produce the hCG, a rising level does not always mean that the pregnancy is healthy.
Anemia — a condition in which you don't have enough healthy red blood cells to carry adequate oxygen to your tissues — due to blood loss during delivery
Or did you think that cell culture would grow healthy without mommy feeding it regularly?
In a group of patients who underwent surgery for epilepsy, over half had stem cells where healthy individuals do not have them, according to a study from Sahlgrenska Academy.
Healthy people in their 70s have just as many young nerve cells, or neurons, in a memory - related part of the brain as do teenagers and young adults, researchers report in the April 5 Cell Stem Cell.
«However, our work shows that the mutant protein at the source of the illness can also spread from sick to healthy cells, which we did not expect.»
To do their job, T cells use specialized receptors to differentiate healthy cells from cancer cells.
In this way, protons avoid indiscriminately mutilating a high proportion of healthy cells along with cancerous cells as photons do in other forms of radiation.
«It upholds our hypothesis that coalescence is so similar that there's got to be the same molecules and mechanisms that do it, and we may be able to find a drug that shuts tumor formation down without being toxic to healthy cells in the body,» says Soll, the paper's corresponding author.
As a result, the malfunctioning protein builds up in cells unchecked and keeps the remaining healthy p53 from doing its job.
After receiving an injection of neural stem cells from young mice, however, they performed as well as healthy mice did.
In addition to using healthy cells to do their work for them, cancer cells also slowly destroy the skin's immune defence mechanism.
Furthermore, when healthy neurons in a dish were treated with serum from the patients and antibodies against leiomodin - 1, they did not survive, but removing the antibodies increased brain cell survival.
Popko says myelin - making cells are damaged regularly in healthy individuals and in those with MS. «Our idea is that these hits to the central nervous system in most people do not have long - term detrimental effects,» he says.
Potentially explaining why even healthy brains don't function well with age, Salk researchers have discovered that genes that are switched on early in brain development to sever connections between neurons as the brain fine - tunes, are again activated in aging neuronal support cells called astrocytes.
When the researchers injected human umbilical stem cells behind the retinas of these rats, the Müller glia remained healthy, as did the neural synapses.
The corrected cells produced healthy hemoglobin, which mutated cells do not make at all.
Under the microscope the chromosomes of the Werner cells showed more signs of damage than did the healthy counterparts.
The paper doesn't include any genetic analysis of the final eggs that confirms they are healthy, notes Mitinori Saitou, a stem cell biologist at Kyoto University in Japan whose team developed methods to create mouse egg cells from embryonic or reprogrammed stem cells.
How does HIV spread from an infected cell to a healthy one?
«What many developmental diseases have in common seems to be the failure of brain cells to mature at the same rate as they do in healthy people,» says Dr Falk.
MDS are a group of bone marrow disorders in which the bone marrow doesn't produce enough healthy blood cells.
These vulnerable patients, whose immune defenses have taken a dramatic double hit from both their original disease and the treatments required to repopulate their immune system with donor cells, are especially susceptible to a wide range of infections that typically don't cause major problems in healthy people.
Telomerase, the enzyme that repairs telomeres, is only active during pregnancy; i.e. healthy cells in an adult organism do not express telomerase.
«You want the cells to get activated but you don't want them to stay activated for too long,» says neurobiologist Katerina Akassoglou of the University of California, San Diego, because the fibers begin substituting for healthy liver tissue, leading to liver failure in people with chronic cirrhosis, for example.
They found that the levels of two specific tRNAs were significantly higher in metastatic cells and metastatic tumors than in primary tumors that did not metastasize or healthy samples.
«And you don't find them so much in healthy cells
The team learned that the cells from the group of obese patients suffering from type 2 diabetes had been reprogrammed and therefore did not function like normal, healthy fat cells.
And when he checked, Avivi found that the fibroblasts and their secretions didn't harm healthy human cells.
To test this, the researchers did a side - by - side comparison with cells isolated from elephants (n = 8), healthy humans (n = 10), and from patients with Li - Fraumeni Syndrome (n = 10).
When injected into the body, docetaxel doesn't discriminate between healthy and cancerous cells.
«Cancerous cells do not reflect polarised light, in particular circular polarising light, in the same way as healthy cells,» said Professor Marshall.
In a healthy brain, this signalling mechanism is active and inhibits the conversion, and, consequently, the astrocytes do not generate nerve cells.
It is now understood that such macrophages received the same «don't eat me» signal from both healthy and cancerous cells.
This means Tsen does not have to focus the laser beam as tightly and can kill more virus particles in less time without damaging the healthy cells around the damaged tissue.
Even if researchers discover how to regulate complex sugars in secondary cell walls in biofuel feedstocks, the next challenge will be finding how much lignin the plants can do without and still remain healthy.
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