The world's first genetically modified AIDS genetically edited baby development follow-up
The genetically edited baby event continued to ferment. The relevant person in charge of the Shenzhen and the Women's and Women's Hospital said that "this is not true. We have not received relevant information. I don't know why this is a hot search. I am investigating." Investigating the matter, the genetic editing of the baby was not carried out in the hospital, and the baby was not born in the hospital. On November 26, He Jiankui, a scientist at Southern University of Science and Technology, announced that a pair of genetically edited babies named Lulu and Nana, the world's first immune AIDS vaccine, was born in China in November. The genes of the twins have been modified to make them naturally resistant to AIDS after birth. This is also a historic breakthrough in China's use of genetic editing technology for disease prevention. In this study, He Jiankui's team first achieved in vitro fertilization of human embryos through assisted reproductive technology, followed by genetic editing of the CCR5 gene of fertilized eggs using CRISPR-Cas9 gene editing technology. Relevant research information shows that individuals with CCR532 deletion have normal immune function and inflammatory response, and can show significant resistance to multiple viral infections. In other words, genetic editing of CCR5 may effectively block infection with cholera, smallpox or AIDS. After genetic editing, these fertilized eggs developed into babies and fell to the ground. In the baby, the CCR5 gene has undergone permanent changes. Xiao Bian believes that regardless of the development of the event, the use of gene editing technology does have great potential in gene therapy and genetic improvement, but it is not known whether it is a feasible way to use genetic editing and eugenics. According to Darwin's theory of evolution, species adapt and evolve in a changing environment. Is genetic editing a shortcut that is not conducive to the evolution of species? We are not aware of this.
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