Sentences with phrase «of cell destruction»

While looking carefully at the areas of cell destruction induced by the viruses — called plaques — he and colleagues noticed that vaccinia spread four times faster than its replication cycle would allow.

Not exact matches

Most of the action is coordinated by white blood cells, which direct the lines of attack like football coaches, churning out antibodies that target the opponent for destruction.

If we are against the use of stem cell research on the basis of embryonic destruction, shouldn't we also be against in - vitro fertilization clinics because there are always excess embryos that get discarded?

The fundamental impediment to our acceptance of embryonic stem cell research has to do with destruction of the human embryo.

That balance has changed considerably in the past few years, as alternative avenues of stem - cell science have opened up and it increasingly seems like whatever therapeutic potential such cells may someday have could be explored and achieved without the destruction of embryos.

It is in this sense» and only this sense» that the stem - cell wars are over: The central cause of battle, the destruction of human embryos, is no longer necessary or even most useful.

It seems to decrease cell growth, increase self - destruction of abnormal cells and shift estrogen metabolism to less cancer - promoting forms.»

The lab - grown meat — which the company calls «clean meat» — is developed from self - reproducing cells taken from a chicken, with the purpose of creating a product that omnivores can't distinguish from the real thing, but with a fraction of the considerable downsides of meat production, including environmental destruction and using agricultural land to grow animal feed rather than crops for human consumption.

It is often caused by the destruction of the insulin - producing cells of the pancreas resulting in an insulin deficiency.

Jaundice which is due to the rapid, abnormal destruction of the baby s blood cells often resulted, in the past, in serious injury or even death for the baby, but this is different from what most babies are now experiencing.

HELLP — which stands for hemolysis (the destruction of red blood cells), elevated liver enzymes and low platelet count — syndrome is a more severe form of preeclampsia, and can rapidly become life - threatening for both you and your baby.

«There are perfectly ethical ways of obtaining stem cells to cure disease, which do not involve embryo destruction, so no matter what moral value one places on the human embryo, we do not need to use it.»

«Advancements in science and research have moved faster than the debates among politicians in Washington, D.C., and breakthroughs announced in recent years confirm the full potential of stem cell research can be realized without the destruction of living human embryos,» House Minority Leader John Boehner, R - Ohio, said Sunday.

The field has been dogged by political and religious opponents, who object to the destruction of human embryos during the harvest of cells.

The research team also found that the action of a gene, ATG16L1, kept TNF alpha - driven inflammation from triggering the self - destruction of too many Paneth cells, by an explosive process called necroptosis.

Former Senator Rick Santorum (R — PA) is a strong backer of adult stem - cell research, and opposed to embryonic stem - cell research because he views destruction of embryos as destruction of human life.

He ruled that work on existing embryonic stem cell lines derived outside federally funded labs did not violate a ban on the destruction of embryos.

In his second semester, he started doing research in three different labs, including that of Carolyn Decker, a molecular biologist who was investigating how the cell controls gene expression through the destruction of messenger RNA.

Characterized by tremors, rigidity, difficulty walking and other symptoms, Parkinson disease is caused by the destruction of brain cells that produce the neurotransmitter dopamine.

A molecule that helps cancer cells evade programmed self - destruction, an internal source of death, might also help malignant cells hide from the immune system, an external source of death.

On the one hand, «you could say there's a tension» that comes from separating embryo destruction from research on the resulting cells, says John Robertson, who studies law and bioethics at the University of Texas School of Law.

The researchers showed that the synapse - eating process requires a protein in the complement system — a part of the immune response that helps «tag» unwanted cells and other debris for destruction.

In yesterday's order, Lamberth wrote that they did not: «The prior [Bush Administration] guidelines, of course, allowed research only on existing stem cell lines, foreclosing additional destruction of embryos.»

This «demethylation» turns on genes that direct stem cells to mature, and to start a count - down toward self - destruction as part of normal turnover.

In rare cases the bite also can cause a severe illness called systemic loxoscelism, characterized by a blood clotting disorder and hemolysis, destruction of red blood cells.

Type 1 diabetes, formerly known as juvenile diabetes, is characterized by the immune system's destruction of the beta cells in the pancreas.

Malaria parasites, which are transmitted through the bite of an infected mosquito, cause the most destruction during the part of their life cycle when they dwell in red blood cells circulating through the body.

«Killing time: Study sheds light on phages and precision cell destruction: Mathematical model of key intracellular events.»

New findings published in the Proceedings of the National Academy of Sciences showed in lab studies that supplementing an epigenetic cancer drug called decitabine with vitamin C enhanced the drug's ability to impede cancer cell growth and trigger cellular self - destruction in cancer cell lines.

In August, federally funded work on stem cells was temporarily suspended after a judge ruled that work on hESCs violates a legal amendment in 1995 forbidding funding of any experiments that involve destruction of human embryos.

Since iPS cells can be made from adult tissue samples, the technique does not require the destruction of embryos, unlike stem - cell - based AMD treatments that are also being worked on.

This is an illustration of how the engineered protein facilitates destruction of latently HIV - infected immune cells.

The recipe for these replacement organs begins with destruction: Wash away the cells of a donor organ with detergent, leaving behind just its spongy, protein support structure.

This is characterised by the targeted strengthening of the body's own immune cells, unlike in chemotherapy, in which the aim is direct destruction of the cancer cells.

How can you have a meeting with people who come to it with a deep abiding faith that a fertilized egg is a person, and a blastocyst created by nuclear transfer is a person, and the destruction of that blastocyst to harvest stem cells is murder?

Semenza says methylation leads to the destruction of NANOG's mRNA so that no protein is made, which in turn causes the embryonic stem cells to abandon their stem cell state and mature into different cell types.

Faith and the embryo Biochemist Paul Berg suggests in April's Discover Dialogue [«Bio Brain Backs Stem Cells»] that only religious faith makes the judgment that the destruction of a human embryo destroys a human individual.

So alpha - lac may induce apoptosis by directly causing the destruction of DNA from within the cell's nucleus, or it may instigate the suicide - generating caspace cascade through the mitochondria.

Through what's called a caspace cascade, the sequential activation of one enzyme after another, caspaces slash to pieces protein after protein, eventually bringing about the destruction of the cell's DNA.

One of immunology's great unknowns was how T cells recognized the antigen that marked an invader for destruction.

By this time I knew that Grace had begun to exhibit various signs indicating destruction of the cells of some of her voluntary muscle tissue, a process called rhabdomyolysis.

Among the protagonists are B cells, which produce antibody molecules able to neutralize pathogens or mark them for destruction, and T cells, which prompt infected cells to kill themselves or secrete chemicals that direct the activities of other immune players.

In the past few years, scientists have proposed several alternatives to deriving human ES cells that would not require destruction of a human embryo (Science, 24 December 2004, p. 2174).

These cells reportedly possessed many of the same characteristics of embryonic stem cells, without requiring the ethically problematic destruction of embryos.

On the use of embryonic stem cell research to cure diseases: it should be shut down because it involves «the wholesale destruction of human life».

Sommer and his colleagues think that Ubc7p in the cell's cytoplasm binds to Cue1p, forming a complex that both escorts misfolded proteins out of the ER and tags them for destruction.

The patients also showed stabilization and even improvement in measures of insulin production after 12 weeks, suggesting that the therapy might arrest beta cell destruction, the authors say.

The distinction between apoptosis and cell lysis is important in immunology - lysing a virus - infected cell would only release the virions, whereas apoptosis leads to destruction of the virus inside.

These pathologies fall broadly into four categories: coagulopathy, where abnormal blood clotting is caused; haemorrhaging, where bleeding occurs; neurotoxicity, which damages the nervous system causing paralysis, and cytotoxicity, where the bite causes death of cells and destruction of tissue.

«It is morally inconsistent to condemn the destruction of embryos in stem cell research,» Sandel said, «while permitting the destruction of embryos in the IVF clinics.»