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Friday, September 30, 2016

Genetic modification of human embryos successfully performed for the first time

A Swedish scientist named Fredrik Lanner was able to edit the DNA in healthy human embryos for the first time. Lanner is a developmental biologist at the Karolinska Institutet in Stockholm has been genetically modified the healthy human embryonic using the genetic engineering tools called CRISPR-Cas9.
Genetically altering human embryos could mean big things, for better or for worse. (Picture from: http://adf.ly/1eMFkx)
He studied the embryos were modified during the first seven days and stopping the growth of its development in the past 14 days. In the initial two weeks, he crippling series of genes have been identified as a gene that plays an important role in normal embryonic development, hoping to help him learn more about the genes involved with infertility.

Theoretically, this research may help us better understand the role of genetics in the development of the embryo, so that it can be used to prevent certain diseases. However, some scientists are concerned, that the DNA editing could have dangerous consequences and could be at risk of entering the faulty gene into the human genome, then causing the new disease.
Fredrik Lanner (right) of the Karolinska Institute in Stockholm and his student Alvaro Plaza Reyes examine a magnified image of an human embryo that they used to attempt to create genetically modified healthy human embryos. (Picture from: http://adf.ly/1eMGCp)
The chairman of the Center for Genetics and Society, Marcy Darnovsky also expressed her concern. According to her, the genetic modification of human embryos could bring a loss equal to the benefits.

"When genetically modifying human embryos, that means you change the genetics of all cells in the body of the fetus, future generations of humans. This change is permanent and irreversible, we do not know what would happen," said Darnovsky.
How the DNA editing technique works. (Picture from: http://adf.ly/1eMGOO)
Nowadays, it seems there will not be much danger as feared by scientists. Because, to make genetically engineered babies is illegal in Sweden and the use of human embryos for any kind of research also is illegal in the United States.

Additionally, Lanner also agree that more research is needed before the experimental production of genetically modified babies done, to ensure that the Darnovsky concerns not be true.. *** [EKA | FROM VARIOUS SOURCES | MEDICAL DAILY]
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