Sentences with phrase «embryonic cells as»

Not exact matches

Benedict argued that non-conjugal reproduction such as in vitro fertilization had created «new problems» ¯ the freezing of human embryos, for instance, and the selective abortion of medically implanted embryos, together with pre-implantation diagnosis, embryonic stem - cell research, and attempts at human cloning.

The NIH defines totipotent cells as the source of both embryonic stem cells and of trophoblast cells which give rise to extra-embryonic tissues such as the placenta.

research; since most of the reports have concentrated on justifying the creation of cloned human embryos for research into and treatment of neurodegenerative diseases such as Parkinson's, «stem - cells» has become synonymous with «embryonic stem - cells» in the public imagination.

Embryonic stem cells are scientifically and medically interesting because they are «pluripotent» (capable of generating many cell types), but they are not the same as totipotent single - cell embryos.

As specialized cells are generated during embryonic development, they are programmed to use only a limited amount of the total genetic information present in the nucleus to produce the proteins required for their particular function.

Embryonic stem cells are produced during development by the same process of epigenetic programming that later will produce adult cells such as skin and brain.

Human cloning has been proposed as a means of generating human embryos that can be destroyed to obtain embryonic stem cells.

In addition, scientific journals continue to push the issue of embryonic stem - cell research in their editorial and commentary sections, using it as a prime criterion to grade political candidates.

The cell nuclei are removed from both sets of embryonic cells, as shown in the diagram, the donor's nuclei and the remains of the parents» embryo are destroyed and the parents» nuclei are then inserted into the donor or «host» embryo, still containing its healthy mitochondria.

(i) a woman's right to an abortion; (iii) medical immunization of teen girls (and boys) against HPV; (iv) assisted suicide; (vi) gay marriage; (vii) my right to view art and theatre deemed «offensive,» «blasphemous» or «obscene» Catholics; (viii) basic $ ex education for older school children; (ix) treating drug abuse as principally a medical issue; (x) population control; (xi) buying alcohol on a Sunday in many places; (xii) use of condoms and other contraceptives; (xiii) embryonic stem cell research; (xiv) little 10 year - old boys joining organizations such as the Boy Scouts of America, regardless of the religious views of their parents; and (xv) gays being allowed to serve openly in the military.

McCain, as mentioned earlier, has backed embryonic stem cell research in the past.

«There's no reason in my mind to think that we're not going to have iPS cells that function as well as embryonic stem cells».

However, in 2007 Professor Wilmut announced that he had decided to change to an alternative method of research pioneered in Japan, known as direct reprogramming or «de-differentiation», which could create human embryonic cells without using human eggs or cloning human embryos.

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.

It can be used in embryonic stem cell research, or in regenerative medicine where it is sometimes referred to as «therapeutic cloning.»

On Thursday, the United Nations» member states will consider two resolutions: One resolution would ban all human cloning methods, including efforts to use cloned embryonic stem cells to try and generate healthy tissues, or to treat degenerative diseases such as Parkinson's.

With embryonic cells migrating as fast as several microns per second, he needed high - speed video that could capture the process.

The ability of SIF - seq to use reporter assays in mouse embryonic stem cells to identify human embryonic stem cell enhancers that are not present in the mouse genome opens the door to intriguing research possibilities as Dickel explains.

A type of «virgin birth» stem cell could be as powerful as embryonic stem cells but without the same ethical objections, and are being tested for Parkinson ’s

Human embryonic stem cells are at last being tested in common, potentially fatal diseases such as heart failure and diabetes

Decades after they were discovered, human embryonic stem cells are being trialled as a treatment for two major diseases: heart failure and type 1 diabetes

Further ahead, he is looking to an emerging technology known as induced pluripotent stem cells (iPSCs), in which adult cells are reprogrammed to be like embryonic stem cells so they can transform into any type of cell.

Induced pluripotent stem cells (known as iPSCs) are similar to human embryonic stem cells in that both cell types have the unique ability to self - renew and have the flexibility to become any cell in the human body.

Although the U.S. government puts stringent restrictions on funding for research on embryonic stem cells, individual states such as California have set up institutes to perform that work and general stem cell studies.

But the methods used to reprogram cells can damage their DNA, and the iPS cells may not behave in exactly the same way as embryonic stem cells.

Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.

Existing European patents involving embryonic stem cells — most of which were issued in the United Kingdom — will not be invalidated immediately, but lawsuits challenging individual patents will use the ruling as guidance.

Base oxidation regulates gene activity In cooperation with colleagues at LMU, as well as researchers based in Berlin, Basel and Utrecht, Carell and his group have now shown, for the first time, that a standard base other than cytosine is also modified in embryonic stem cells of mice.

Thus, they consider the use of embryonic stem cells for research purposes as unconstitutional.

Freed expects transplants of neurons derived from embryonic stem cells to enter the clinical arena soon as well.

In 2006, Japanese scientists figured out how to reprogram specialized cells, such as those in skin, so that they act like embryonic stem cells.

They also showed that the cells have most of the surface «markers» considered as identifiers of embryonic stem cells and form «embryoid bodies» — characteristic clumps of cells formed by ESCs.

The act of reprogramming cells to make them as capable as ones from embryos apparently can result in aberrant cells that age and die abnormally, suggesting there is a long way to go to prove such cells are really like embryonic stem cells and can find use in therapies.

The newly discovered human cells, named «cord - blood - derived embryonic - like stem cells» or CBEs, are not quite as primitive as embryonic stem cells, which can give rise to any tissue type of the body.

They showed that ZIKV infection of cortical progenitors (stem cells for cortical neurons) controlling neurogenesis triggers a stress in the endoplasmic reticulum (where some of the cellular proteins and lipids are synthetized) in the embryonic brain, inducing signals in response to incorrect protein con - formation (referred to as «unfolded protein response»).

Embryonic stem cells helped researchers develop other research tools, such as iPSCs, he pointed out.

As a graduate student at Princeton University, Moshe Pritsker tried in vain to grow a culture of embryonic stem cells from instructions laid out in the methods section of a journal article.

The induced pluripotent stem cells (iPSCs) that the new method produces have the same ability as embryonic stem cells to turn into any kind of tissue.

The embryonic cells can develop into replacement organs in the lab or be injected into an egg, where they develop as a viable embryo and are literally born.

Contributions from careful, sober - minded scientists can also help defuse controversy in fields that get headlines, such as climate change and embryonic stem cells.

Recently, however, I was alarmed to hear that my fellow Delawareans voted to oust Representative Mike Castle, a solid moderate who pushed for embryonic stem cell research and was handily elected as the Republican representative of a largely Democratic state for nine consecutive terms, in favor of Christine O'Donnell, who, as far as I can tell, is a houseplant.

A person with spinal injuries today went down in history as the first to receive a treatment derived from human embryonic stem cells (hESCs).

The combined therapy is assuming even greater power as scientists manipulate genes to wind ordinary cells back to an embryonic state.

The immediate payoff was a commercialization deal in age - related macular degeneration in which Pfizer became the first big pharma company to make a move into the use of embryonic stem cells as the basis for a tissue regeneration therapy.

«We can work with any embryonic stem cell line from any source and are not restricted to working with the very small number of federally approved lines as is the case for researchers in the United States,» says Minger.

A chick embryo's face develops largely thanks to cells from an embryonic structure known as the neural tube.

It isn't clear exactly why the differences fade, Hochedlinger says, but it may be that the expression of embryonic genes is strengthened as the cells grow in culture, gradually overwriting the cells» old gene - expression patterns.

Scientists, with practice, have now been able to make nuclear transfer nearly routine to produce cattle, cats, mice, sheep, goats, pigs, and — as a Korean team announced in May — even human embryonic stem (ES) cells.

In this way they act like embryonic stem cells and share their revolutionary therapeutic potential — and as such, they could eliminate the need for using and then destroying human embryos.

Studies of embryonic stem cells revealed that NANOG protein levels can be lowered by a chemical process known as methylation, which involves putting a methyl group chemical tag on a protein's messenger RNA (mRNA) precursor.