Sentences with phrase «because embryonic cells»

But they still want to be able to do cloning, otherwise know as somatic cell nuclear transfer (SCNT), because embryonic cells are the «gold standard» for pluripotent cells — cells that can become any cell type in the body.

Not exact matches

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?

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.

Not surprisingly, President Obama received high marks from the journal, largely because his response to the question of whether he would lift Bush's ban on the federal funding of new embryonic stem - cell lines is in line with the view of most in the scientific community.

Well it seems like Ivan can relax, Michael Peroski has just solved all of our problems: Proceeding from ideology - driven inquiry entails starting from an answer: «Research on human embryonic stem cell should be forbidden because embryos are equivalent to human lives» and working....

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.

The latest findings show that genetic defects in the body's ability to manufacture carnitine might be associated with an increased risk of autism because carnitine deficiency interferes with the normal processes by which neural stem cells promote and organize embryonic and fetal brain development.

Scientists have focused for decades on the role of biochemical cues in embryonic development, Campàs said, because no techniques existed to measure the mechanical cues that cells are exposed to during the formation of tissues and organs.

But it seemed unlikely, because the body coverings were thought to grow differently: Feathers and hair develop from specialized plates of thickened ectoderm — an embryonic cell layer — called anatomical placodes, structures not seen in reptiles.

(Embryonic stem cells are notable because they can morph into virtually any cell type in the body.)

Meanwhile, some European scientists, who had called for a boycott because they believed the conference unfairly maligned embryonic stem cell research, cheered its cancellation.

Because burgeoning teeth depend on information from the budding embryonic jaw, work toward generating replacement teeth from dental stem cells focuses on growing them in the desired location in the recipient's mouth — but scientists are not yet sure the adult jaw can provide the necessary signals to shape made - to - order teeth.

In a similar way to how they work in other cells, epigenetic markers push PGCs to their fate during embryonic development, but PGCs are unique because when they develop into sperm and eggs, the epigenetic markers are erased.

«The beautiful thing,» Lanza says, «is that if you have an embryonic stem cell line that is O negative, because it's immortal you could create an unlimited amount of universal blood that would match virtually everybody, so you wouldn't have to worry about matching blood types.»

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».

• Roger Pedersen, a noted professor of obstetrics, gynecology, and reproductive sciences, announced he was leaving his laboratory at the University of California at San Francisco and moving to Cambridge University because British laws do not restrict work on embryonic stem cells.

An embryonic stem cell - derived retinal cell therapy is an attractive option because they can be used to regrow the retina cells that are lost in both diseases.

Because biologists like Daley are convinced that embryonic stem cells — the most generic, versatile type — may not only lead to dramatically different new treatments but can also uniquely illuminate the origins of disease in a way adult stem cells never will.

THE world's first cloned human embryonic stem cells (hESCs) are here, but they can't yet be used to grow tissues for transplant because they have an extra set of chromosomes.

Because the precise activation of Hox genes is essential for a cell's fate, «the research should prove extremely useful in developing novel embryonic stem cell - based therapies, Mazzoni adds.

I don't think we need the same level of regulation as for human embryonic stem cells, for example, because we are not using any embryos.

Critics argue further that embryonic stem cell research is unnecessary because stem cells from adults are purportedly just as promising.

Because fertilized human embryos are far more accessible than unfertilized eggs, which can not be frozen and stored, extending the result to humans could lower the practical barriers against creating human embryonic stem cells to study and potentially treat disease.

Unlike embryonic stem cells, the use of adult stem cells in research and therapy is not controversial because the production of adult stem cells does not require the destruction of an embryo.

The ERK pathway plays a critical role in embryonic development and tissue repair because it instructs cells to multiply and start dividing, but when over activated cancer growth occurs.

Embryonic stem (ES) cells, harvested from three - and - a-half-day-old mouse embryos or five - and - a-half-day-old human embryos, are referred to as pluripotent because they can become any of the thousands of cell types in the body.

In January, HHS ruled that the law does not apply to embryonic stem cells because they can not develop naturally into embryos.

Seeking fresh sources, they looked for cells that express the gene neurogenin 3, a potential sign of cell differentiation because it is the first gene to only switch on in pancreatic islets during embryonic development.

Because embryos are not destroyed to create them, they have been hailed as a way out of the ethical dilemma posed by human embryonic stem cells.

«We were interested in the origins of lamprey gut neurons because in other vertebrates they arise from a particular embryonic cell type, called neural crest cells,» says Stephen Green, postdoctoral scholar in biology and biological engineering and co-first author on the paper.

This migration may happen because the repair pathways initiated by the damaged cells are similar to pathways triggered during embryonic development, where stem cells are key, explains ReNeuron co-founder and chief scientific officer John Sinden.

This allows embryonic stem cells to be employed as useful tools for both research and regenerative medicine, because they can produce limitless numbers of themselves for continued research or clinical use.

He's engaging in classic hype that the religious right uses whenever this issue comes up — claiming that we don't really need embryonic stem cells because adult stem cells are so wonderful that they can take care of everything.

It would have been more appropriate to note that their review targeted hematopoietic stem cell transplantation because embryonic stem cells are not yet ready for clinical use.

US entanglement In Europe, scientists can not file patents on human embryonic stem cells because of a 2008 ruling which said it would go against the public order.

Although we agree that greater investments are needed in the clinical development of these therapies, we disagree with the authors» suggestion that, relative to embryonic stem cells, adult stem cells provide a superior vehicle for cell - based therapies because they lack tumorigenic activity, can be prepared by methods approved by the Food and Drug Administration (FDA), and have been free of ethical controversy.

And in a way, this is not very radical because that's what Bush said in August of 2001 when he became the first president to authorize federal funds for embryonic stem cell research.

Clinical trials «When I came to ACT to try to do it with stem cells I couldn't because the rights to use embryonic stem cells for diabetes had been exclusively licensed to Geron,» he said.

\ n \ nI am very concerned because my Grandson has Spinal Muscular Atrophy and he needs the embryonic stem cell treatment to survive, before he dies.

Harvesting embryonic cells, however, is controversial because it results in the destruction of an embryo.

This question might sound familiar, because it was central to the 2001 debate over human embryonic stem cells — a debate that was, back in the months before the 9/11 attacks, considered a significant controversy for George W. Bush's new administration.

To determine how valid the objection against funding of human embryonic stem cell research is because of its use of human embryos, it's important to understand two key aspects of hESCs» unique biology and derivation.

Because the cells were derived from human embryos or fetal tissue, pro-life groups condemned embryonic stem cell research as morally wrong.

But, by then, human embryonic stem cells had lost some of their controversial edge, because scientists really had developed an alternative source of cells that reduced the need for material from human embryos.

Labs that derive new human embryonic stem cell lines are few, partly because they can not get financial support from federal sources.

He claimed that the rules violated the Dickey - Wicker amendment because embryos must be destroyed in the process of creating embryonic stem cell lines.

In addition to imported embryonic stem cell lines, a campaign was carried out in collaboration with the team of Professor Stéphane Viville in Strasbourg, which has enabled us to bank 19 lines from embryos discarded during a preimplantation diagnosis because of the presence of a genetic defect responsible for a severe disease.

Those in favor of human embryonic stem - cell research because they believe it could save human lives are, for the most part, also for human - bovine embryonic stem - cell research because they believe it could save human lives.

However, some consider human embryonic stem cell research controversial because, in some cases, the new stem cell lines are derived frozen human embryos that have been donated for research.

Thomson still supports lifting Bush's restrictions, he said, because no one knows whether the new iPS cells can match embryonic cells» knack for growing into any kind of tissue — brain cells, heart muscle, insulin - producing cells and dozens of others — in mass quantities.