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Inducing pluripotent stem cells is a stem cell transformed by an animal's somatic cells after being treated with an inducing factor. It has similar functions as embryonic stem cells, can develop into tissues and organs, and avoids the ethical and legal obstacles faced by embryonic stem cell research, and has a very broad prospect in the medical field.
The patents obtained by Japanese scholars include the basic techniques of implanting two to three gene-culture-inducing pluripotent stem cells into somatic cells of humans and other animals. The patent is not limited to a specific gene, and the combination of genes having similar functions found in the future, and cytokines used in the culture process are all patent protection objects.
Although similar patents have been approved in Japan, they are limited to the use of specific combinations of 3 to 4 genes, and the relevant genes and proteins are not covered by the patent. The patent application of Kyoto University in Europe is more extensive. The European Patent Office approved the patent application on the 7th. Kyoto University will implement the domestic procedures for patents in 17 European countries including the UK, Germany and France.
The patent application filed by Kyoto University to the United States is also expected to be approved during the year. The local media believe that in the field of pharmaceutical and regenerative medicine, Japan, the United States and Europe's induced multi-functional cell research is at the forefront, and Japan has taken the lead.
Induced pluripotent stem cell culture technology obtained European patent
Kyoto University of Japan has announced that its inductive pluripotent stem cell (iPS cell) culture technology developed by Professor Yamanaka Yamanaka has been patented in Europe and became the first patent obtained by Japanese related technology in Europe and America. Local media believe that this move has made Japan a leader in the field of regenerative medicine.