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Sunday, February 18, 2018

In Japan, man for the first time transplanted retina cells from a donor

In 2017, the Japanese experts plan to conduct the world’s first clinical trial, part of which will be to transplant the tissue of the retina from induced pluripotent stem cells from one person to another. This was stated by the representatives of the four research organizations that will participate in the trials.

photo: morguefile.com

The project involves the universities of Osaka and Kyoto, the scientific Institute RIKEN and the Centre for research and application of iPS cells and the Central hospital of the city of Kobe. The operation, announced by the experts, will be conducted in the treatment of serious eye diseases — macular degeneration. This disease affects the blood vessels of the retina near the center, where focused beams of light, and in some cases can lead to complete blindness, reports nhk.or.jp.

Induced pluripotent stem cells can be obtained from its “normal” cells, using, for example a small piece of leather with his hands. One advantage of this method is the fact that from an ethical point of view it is, in the opinion of many seems to be much more acceptable than the use of embryo cell.

About a month ago it was announced that stem cells derived from skin cells, allowed the Japanese biologists to restore partial vision 70-year-old patient, who suffered from dystrophy of the retina. Within one and a half years after the incident in 2014 of the operation and no signs of rejection in the retina, or any other abnormalities were found, and the vision of women has improved somewhat. However, in this case we used cells the women. These cells should naturally suit the person perfectly, so the first experiments were made with them. However, to prepare such an operation requires 10 months and large financial costs. If it turns out that the donor pluripotent stem cells are equally efficient, this will save a considerable amount of valuable time and money.

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