长城影视股份有限公司:155 "Man-imals" Challenges Human MoralAnd Certainly It Arouses the Deep Panic... inside Human Being

来源：百度文库编辑：九乡新闻网时间：2024/04/29 10:38:30

155 "Man-imals" Challenges Human Moral

And Certainly It Arouses the Deep Panic... inside Human Being

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While the idea human-animal chimeras may conjure images from science fiction, a more realistic example is a mouse getting chemotherapy for its human cancer cells. (Associated Press)

To many, human-animal chimeras--animals that contain human cells--sound like the stuff of nightmares. If you can picture a frog with a human head, a monkey with human vocal chords or a dog with opposable thumbs, you can see why some people want to put the brakes on any sort of scientific experiment that mixes cells from different species. --- LA Times uses the words to describe people's fear over the safety of such hybrid experiments - yes, between human being and animals.

And for sure this shocking scene rocks the world, the New York Post uses "Docs create 'man-imals'" as the thrilling headline... In fact, the embryos have been produced secretively for the past three years in UK, according to Daily Telegraph report --

Scientists have created more than 150 human-animal hybrid embryos in British laboratories.

The hybrids have been produced secretively over the past three years by researchers looking into possible cures for a wide range of diseases.

The revelation comes just a day after a committee of scientists warned of a nightmare ‘Planet of the Apes’ scenario in which work on human-animal creations goes too far.

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The Human Fertilisation and Embryology Authority is currently considering whether donors can be paid for their services

Last night a campaigner against the excesses of medical research said he was disgusted that scientists were ‘dabbling in the grotesque’.

Figures seen by the Daily Mail show that 155 ‘admixed’ embryos, containing both human and animal genetic material, have been created since the introduction of the 2008 Human Fertilisation Embryology Act.

This legalised the creation of a variety of hybrids, including an animal egg fertilised by a human sperm; ‘cybrids’, in which a human nucleus is implanted into an animal cell; and ‘chimeras’, in which human cells are mixed with animal embryos.

Scientists say the techniques can be used to develop embryonic stem cells which can be used to treat a range of incurable illnesses.

Three labs in the UK – at King’s College London, Newcastle University and Warwick University – were granted licences to carry out the research after the Act came into force.

All have now stopped creating hybrid embryos due to a lack of funding, but scientists believe that there will be more such work in the future.

The figure was revealed to crossbench peer Lord Alton following a Parliamentary question.

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Research centre: Warwick University has been growing animal human hybrids over the last three years

Last night he said: ‘I argued in Parliament against the creation of human- animal hybrids as a matter of principle. None of the scientists who appeared before us could give us any justification in terms of treatment.

‘Ethically it can never be justifiable – it discredits us as a country. It is dabbling in the grotesque.

‘At every stage the justification from scientists has been: if only you allow us to do this, we will find cures for every illness known to mankind. This is emotional blackmail.

‘Of the 80 treatments and cures which have come about from stem cells, all have come from adult stem cells – not embryonic ones.

‘On moral and ethical grounds this fails; and on scientific and medical ones too.’

Josephine Quintavalle, of pro-life group Comment on Reproductive Ethics, said: ‘I am aghast that this is going on and we didn’t know anything about it.

‘Why have they kept this a secret? If they are proud of what they are doing, why do we need to ask Parliamentary questions for this to come to light?

‘The problem with many scientists is that they want to do things because they want to experiment. That is not a good enough rationale.’

While the idea human-animal chimeras may conjure images from science fiction, a more realistic example is a mouse getting chemotherapy for its human cancer cells. (Associated Press)

Earlier this week, a group of leading scientists warned about ‘Planet of the Apes’ experiments. They called for new rules to prevent lab animals being given human attributes, for example by injecting human stem cells into the brains of primates.

But the lead author of their report, Professor Robin Lovell-Badge, from the Medical Research Council’ s National Institute for Medical Research, said the scientists were not concerned about human-animal hybrid embryos because by law these have to be destroyed within 14 days.

He said: ‘The reason for doing these experiments is to understand more about early human development and come up with ways of curing serious diseases, and as a scientist I feel there is a moral imperative to pursue this research.

‘As long as we have sufficient controls – as we do in this country – we should be proud of the research.’

However, he called for stricter controls on another type of embryo research, in which animal embryos are implanted with a small amount of human genetic material.

Human-animal hybrids are also created in other countries, many of which have little or no regulation.

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Test centre: Newcastle University was another site where human animal hybrid testing was being undertaken

Reuters has sorted out some of the protesting voices -

Such controversial research needs special oversight, according to a report from Britain's Academy of Medical Sciences on the use of animals containing human material.

Using animals with limited humanized traits is not new. Genetically engineered mice containing human DNA are already a mainstay of research into new drugs for diseases like cancer.

But Martin Bobrow, a professor of medical genetics at the University of Cambridge, who led the Academy's working group, said there were three areas of particular concern.

"Where people begin to worry is when you get to the brain, to the germ (reproductive) cells, and to the sort of central features that help us recognize what is a person, like skin texture, facial shape and speech," he told reporters.

His report recommends that government should put in place a national expert body, working within the existing system for regulating animal research, to oversee such sensitive areas.

British ministers said they welcomed the report and would consider its recommendations carefully.

Bobrow said other countries would need to follow suit with their own rules, as their scientists and regulators also recognized the need to address potential public concerns.

Still, some find the idea of chimeras deeply unsettling. In 2005, Sen. Sam Brownback (R-Kansas) introduced a "Human Chimera Prohibition Act." The title speaks for itself. Brownback added that the bill would prevent experiments that would "blur the lines between human and animal, male and female, parent and child, and one individual and another individual." Similarly, the U.S. National Council of Churches has said that it opposes "the creation of chimeras or any experimentation that might lead to an intermediary human/animal species."

Unfortunately, the former legislation went nowhere till now, but the collective panic is apparently there - the scientific-oriented "man-imals", now already grown into 155, are challenging our human being's moral.

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