Sentences with phrase «producing human embryos»

Finally, he opened the door to funding research involving stem cell lines created by producing human embryos by somatic cell nuclear transfer or other means specifically for research in which they are killed.

His article is occasioned by the National Institutes of Health proposal to fund producing human embryos in the laboratory solely for the purpose of research (see «The Inhuman Use of Human Beings,» FT, January 1995).

Are there criteria that could be met to establish beyond reasonable doubt that ANT - OAR does not produce a human embryo, even a very short - lived embryo?

Not exact matches

Due to the limited statistical and methodological certainty allowed by biological science, the occurrence of technical errors in biological experiments, the differences between human and animal embryo development, the rapidity by which the cloning procedure produces a totipotent zygote, and the philosophical and theological nature of the question, there is no biological experiment that will prove with moral certainty that a human zygote never exists during the OAR procedure.

Such technology includes producing, using, and destroying human embryos, which, says columnist Susan Martinuk in the National Post, may also raise some questions about «human dignity and worth.»

Just before Thanksgiving, news broke about a new stem - cell technique that could produce the equivalent of embryonic stem cells (ESCs) but without using or destroying human embryos.

The hCG (human chorionic gonadotropin) hormone is a remarkable molecule, which is very unusual because it is produced only by the cells that will become the placenta of the developing embryo (trophoblast cells).

This special pregnancy hormone is human chorionic gonadotropin (hCG), which is produced by the chorion, a membrane that covers the embryo.

Under the terms of the bill, the resultant embryo could only be stored for a maximum of 14 days to produce stem cells for research and could not be implanted in either a human or animal uterus.

Professor Wilmut stressed that he and his team had no intention of trying to produce cloned humans, but intended only to use the embryos for research into the distressing degenerative condition Motor Neuron Disease.

The team implanted three human embryos produced through spindle technology into a woman who had failed to conceive children.

But the summit's organizers concluded that actually trying to produce a human pregnancy from such modified germ cells or embryos, either through in vitro fertilization (IVF) with the sperm or eggs or the implantation of an embryo, is currently «irresponsible» because of ongoing safety concerns and a lack of societal consensus.

Many scientists argue that so - called research cloning, in which cloned human embryos might be used to produce embryonic stem (ES) cells, could be a boon to medicine.

She also suggested her company had already produced cloned human embryos and developed a method to screen for imprinting defects in 10 human genes.

The application is on hold, the agency has told him, as NIH reconsiders its rules for the kind of experiments he wants to do: mixing human stem cells into very early animal embryos and letting them develop, a strategy that could produce tissues or organs for transplantation.

What somatic - cell nuclear transfer technology produces are cloned human embryos.

One team in Japan, and another in the US, have independently shown it is possible to produce embryonic - like stem cells directly from a patient's own skin cells without having to create and destroy a cloned human embryo first.

The disgraced South Korean researchers who claimed to have produced the first stem cells from a cloned human embryo did in fact achieve a significant first.

But it also had a dark side: producing its supply of stem cells required the creation of human embryos which were later destroyed.

That still makes them a potential source of ES cells, and because human parthenote embryos can't develop to term, some people have fewer qualms about using them to produce stem cells.

Until recently, such cells could be produced only by destroying human embryos and harvesting embryonic stem cells.

For while the new NIH guidelines explicitly permit funding for research on stem cell lines in which human embryos have already been destroyed, they also explicitly forbid funding for research on stem cell lines that have been produced by SCNT (see section V. part B).

The same technique — injecting pluripotent stem cells into early embryos — failed with other combinations: The scientists couldn't create rat - pig chimeras, and although they produced human - cow chimeric embryos, they did not transfer them into cows to develop into fetuses.

(If a mouse producing human sperm mated with a mouse producing human eggs, the result might be human embryo gestating in a mouse womb, though it would presumably quickly be miscarried.)

The team used genome editing techniques to stop a key gene from producing a protein called OCT4, which normally becomes active in the first few days of human embryo development.

Genome editing of a human embryo would affect every cell in the embryo's resulting fetus, as opposed to altering the DNA of a select type of cells — such as the stem cells that produce blood cells.

The fact that introduction of a small number of proteins into adult human cells could produce cells that are equivalent to embryo stem cells takes us into an entirely new era of stem cell biology.

Federal officials are proposing to end a moratorium on funding for research that involves transplanting human stem cells into animal embryos, a controversial practice that produces organisms know as «chimeras.»

The discovery, by scientists at Kyoto University and the University of Wisconsin - Madison, seemed to promise a way out of the bitter debates over embryonic - stem - cell research: rather than using human embryos as a source of stem cells, produce them from adult cells.

Until we can do this routinely in mice, and reliably produce cloned embryos, we shouldn't tackle human work.»

Scientists» plans to conduct experiments using human induced pluripotent stem cells like these, produced by reverting adult cells back to an embryo - like state, caught Lunshof's attention.

The tiny proportion of non-human nucleic acid in a cybrid is cytoplasmic, and is thought to produce nothing in the resultant embryo that is quintessentially human.