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1/20/2012

Three parents for one child!




British scientists currently working on the development of innovative treatment can prevent genetic conditions that affect the heart muscle or the brain and transmitted to the children and the generations to come.
But this method is controversial because it involves the transfer of DNA from the parents to the egg donor, which means that the child will inherit the resulting small part of the genetic code of a third party.
The current law prevents scientists from laying eggs in such patients.
But the University and the Wellcome Trust and Newcastle announced the program at a cost of nine million dollars to further research laboratory to assess the safety of this technique.
The research aims to treatment of diseases transmitted through families through what is known as trans Balmottagdarat, the buildings, which supplies cells with energy.
Although 99.8% of our DNA, our attributes, including visual, equally gene from the father and mother and stored in the cell nucleus, the small part of them settled in the mitochondria and can only be transmitted by the mother.
It is noteworthy that defects in the mitochondria affect one in every two hundred children in Britain, which causes severe illness and is treatable, such as what is known Balanl muscle (which is a hereditary condition characterized by weak gradual loss of muscle) or ataxia (inability to coordinate movement muscle) each person in about 6500.
The researchers believe they have developed in the Newcastle method can prevent the transmission of this particular group of diseases and possibly eradicated within a generation.
Fear and warnedSaid Professor Doug Turnbull, who led the study, said "The important thing is that this could stop the disease completely. And if it is proven that this technology such as artificial insemination safe and effective as in the preliminary studies, I think we can prevent the transmission of these diseases altogether."
With regard to this technology, it includes taking an egg from the mother and the other from a donor, before removing the nucleus from the donor egg and replacing the nucleus of the mother, either before or after fertilization.
And the child will inherit the condition of the product here from his mother and father, but it will take DNA from the donor, which means that it will have genetic material from three people.
The head of the Wellcome Trust, Sir Mark and the Port, the effect of genetic inheritance of the DNA of a third person will be the least such as changing the batteries in the camera.
It is worth mentioning that the American researchers conducted similar studies on monkeys have resulted in healthy offspring, and experiments on mice showed that the genetic cases did not bequeath to future generations as well.
If approved technique for patients, treatment can be available in the British medical services for women who use either artificial insemination of available ova or cells donated from friends or family members.
However, such technology still received strong opposition from groups opposed to embryo research and the claim that genetic engineering could lead to serious flaws.
She described the Society for the Protection of children born of these experiences is as scary and unethical because it can lead to imbalances in growth.


 
Source: The Daily Telegraph

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