| abstract |
PROBLEM TO BE SOLVED: To provide a virus-safe platelet extract containing a balanced ratio of bioactive platelet-derived factor and non-coagulable, and a kit containing the platelet extract. The platelet extract is a platelet extract that is safe against viruses from multiple donors, comprising a mixture of bioactive platelet cell growth factor and / or trophic factor, comprising PDGF-AB, VEGF, And TGFb1, the ratio of PDGF-AB: TGF-b1 is at least 0.2 and / or the ratio of PDGF-AB: VEGF is at least 45. The kit containing the container which accommodates the extract in any one of Claims 1-6. [Selection figure] None |