Sentences with phrase «animal eggs»
The legislation would allow scientists to create embryos for purposes of harvesting the stem cells by transferring human DNA into animal eggs that have had most of their genetic information removed.
minnpost.com
British regulators have given a cautious green light to research that would use animal eggs to produce patient - specific embryonic stem (ES) cells.
Scientists argue the use of animal eggs is necessary to compensate for a shortage of human donors and the resultant embryo would be 99 per cent human.
The response points out that allowing such research would not only overcome some of the problems of low availability of human eggs but also, if animal eggs were sourced from abattoir material, could contribute to a reduction in the number of animals used specifically for research.
Designed to look like a naturalist's diary, poetic text describes similarities and differences between animal eggs, including a variety of bird eggs.
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Under the process, the nuclei of human cells are inserted into animal eggs, creating hybrid embryos which are allowed to grow for a few days.
He explained scientists had been prompted to use animal eggs, which have their nucleus removed, because of a «critical» shortage of human eggs, which risks impeding research.
Among the bill's most controversial sections is legal clarification allowing research on so - called hybrid embryos, where a human nucleus is inserted into an animal egg.
The embryo created by the research - through which human DNA is injected into a hollowed - out animal egg - is 99.9 percent human and 0.1 percent animal.
The Society believes that research involving the transfer of a human nucleus into an animal egg will lead to important new knowledge about cell nuclear replacement (CNR) technology and, if it were to prove possible to produce embryonic stem cells by this route, would increase understanding of how to programme these cells to develop into different tissue types.