We do experiments with animals and we know there is a major problem, which is not solved, so one should not do this with humans because humans are not guinea pigs.
Rudolf Jaenisch
The purpose of our study was to provide a scientific basis for the ethical debate.
purpose debate study
Our work is the first proof-of-principle study to show that altered nuclear transfer not only works but is extremely efficient.
work study works
Our experiments are very clear. You inhibit this gene and you get a clone that has no way of ever implanting. But this clone can make embryonic stem cells.
clone
It is not responsible at this stage to even consider the cloning of humans.
humans responsible stage
humans problem animals
They can never, ever, become a baby.
baby
The success of this procedure in no way precludes the need to pursue all forms of human embryonic stem cell research,.. Human embryonic stem cells are extraordinarily complicated. If we are ever to realize their therapeutic potential, we must use all known tools and techniques in order to explore the mechanisms that give these cells such startling characteristics.
order success human potential tools explore complicated research realize give
It is clear now that every experiment published by Hwang will have to be confirmed in some way before being believed.
experiment
This paper demonstrates clearly that it doesn't matter if a stem cell has been derived from a cloned embryo or from a fertilized embryo.
matter paper
Knowing more about the process and about the precise areas of the brain that are affected will give us options for exploring future therapies.
future knowing process brain options give
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