Japan's Kyoto university research team has to "leading a multipotent (iPS cells)" a large manufacturing platelets, this platelet no cancerous problem, the experiments in mice can normal operation. uggs outlet,It is reported, this is the first time scientists have succeeded in stem cell manufacturing platelets, the future is expected to make a large number of high quality platelets, no longer rely on blood donation.

Research team from the iPS cells first produce hematopoietic progenitor cells, and its differentiation into can produce the huge nuclear ball platelet cells.ugg outlet sotes, Team into can let cell hyperplasia genes and prevent cell aging genes, giant nuclear ball of cells, successfully produced unlimited proliferation of cells. Researchers from the nuclear ball by cells forming platelet, import some laboratory mice, found platelet function normal play, life also and human platelets.

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Platelet thrombus cells and said, it is in bone marrow giant nuclear cytoplasm off a little piece of, so there's no nuclei, the surface has complete cell membrane, platelets, small volume, straight for the two to four microns, show two convex disc, and is prone to mechanical, chemical stimulation, at this time will stretch out, yea, an irregular shape under electron microscopy of platelet membrane surface is coated with sugar, can absorb the plasma protein and blood coagulation factor. ugg sverige.Platelets in the bleeding and clotting in the process to play an important role. Platelet aggregation
In the blood, platelet is the smallest cells. Platelets in the electron microscope as olive shape under the disk. There is also a spindle or irregular shape. Platelet long for l. 5 ~ 4 badge m, width of 0.5 ~ 2 microns. Normal platelet count in the blood for (100 ~ 300) x 10 "/ litre, l / 3 platelet at ordinary times in the spleen storage. Platelet's main function is blood coagulation and hemostatic effect, repair damaged blood vessels. The average life expectancy for platelet 7 to 14 days, when the human body injury bleeding, platelet will in droves in within seconds saved up their closed wound to stop bleeding. Platelet and other substances in the blood clotting, calcium and blood coagulation enzyme etc, in the damaged blood essel walls gathered clouds, thrombosis, and vascular damage wound jam, platelets, also can release adrenaline, cause vasoconstriction, promote the bleeding.