среда, 2 января 2013 г.

Japanese are replaced with artificial grafts immunity

Scientists from Japan spoke about the fact that they are trying to replace part of the immune system of artificial grafts. Studies have been completed successfully. The results showed that all the Japanese doctors who want to have a high-tech spleen and lymph nodes, they can provide. In experiments with mice, biologists from Kyoto University have shown that artificial lymph nodes are not worse than this, actually. To create a lymph node scientists used matrix (sponge) of the polymer and bone marrow stem cells. Previously they have made stem cells a few genetic modifications. Experimental lymph node biologists transplanted in mice, the renal capsule. Three weeks polymeric sponge producing cells, and the structure of the site has evolved and acquired features of the structure, typical for a healthy lymph node. Scientists have shown that artificial lymph nodes even participate in the immune response, forming B cells, T cells and memory cells. The spleen is removed from the body the bacteria and foreign particles, and in contact with the blood of foreign antigens allows the immune response - producing cells. According to Japanese researchers, artificial lymph nodes prove useful for patients with cancer, aging and just people who have to be naturally reduced immunity. Scientists say that in recent years gathered enough scientific data needed to finally create an artificial lymphoid tissues and organs that are suitable for clinical practice

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