Two male parents produced in the experiment survive until adulthood

Rats, which were two male parents produced in the laboratory, survived to adulthood and proved the success of a new mouse reproductive method that emerged on Tuesday 28 Tuesday. The experiment was carried out by scientists at the Chinese Academy of Sciences.

For the production of two -lower rats, the researchers trained sperm DNA cells for stem cell collection and focused on printing genes and made 20 changes. The organized cells were injected into the eggs with the nuclei extracted with other sperm, which Embryonic cells with the DNA of two male mice.

The next step was to insert these cells into a “embryo shell iz providing elements to form the placenta. The embryos that emerged from there were transferred to female uterus, some of them developed in living offspring and reached adulthood, while others died due to developmental defects.

Many of them were presented among rats born from the complex experiment and without a biological mother who survived even adults. Problems related to growth and a shorter service life than traditional mice. It was also barren according to the discoveries published in the magazine. Cell stem cell.

Developments in genomic pressure

The process, known as a genomic impression, was already attractive by the same team in a previous survey. At that time, they issued seven editions in the genome, which died shortly after pregnancy, and caused protruding languages, umbilical hernia and ration fetuses with increasing internal organs.

By defining the genetic origin of every abnormality Scientists managed to make the necessary adjustments to improve the results. “Our next steps include the development of a genetic regulation approach to produce two healthier animals,” Zhi-Kun Li said. Live science.

It is believed that it is possible to eliminate health problems that make more adjustment in the process. Scientists also want to test the approach in other species, But for now, there is no plan to include people in the experiment.To better understand risks and benefits.