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2020 Fiscal Year Final Research Report

Elucidation of the pharmacological action of the freezed-dried platlet-rich plasma and development of new bone -forming material

Research Project

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Project/Area Number 18K09093
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56020:Orthopedics-related
Research InstitutionChiba University

Principal Investigator

MASAHIKO SUZUKI  千葉大学, フロンティア医工学センター, 教授 (10312951)

Co-Investigator(Kenkyū-buntansha) 大鳥 精司  千葉大学, 大学院医学研究院, 教授 (40361430)
折田 純久  千葉大学, 大学院医学研究院, 特任准教授 (60638310)
Project Period (FY) 2018-04-01 – 2021-03-31
Keywords多血小板血漿 / 凍結乾燥 / 成長因子 / platelet rich plasma
Outline of Final Research Achievements

Phamacological activities of platelet rich plasma: PRP and freeze-dried: fd PRP were evaluated. ELIZA tests of PDGF, FGF, and EGF showed similar concentrations in fresh PRP and 52 weeks saved PRP. Lumbar posterolateral fusion models were allocated to the sham, autologous graft, artificial bone-alone, artificial bone+fdRPR, artificial bone+PRP. Histological examination revealed similar good results in artificial bone+fdPRP and artificial bone+PRP.

Free Research Field

整形外科学

Academic Significance and Societal Importance of the Research Achievements

Platelet Rich Plasma: PRPと凍結乾燥したfreeze-dried:fd PRP(52週間保存後)の薬理活性はほぼ同程度だった。骨形成機能もBMPと同程度の効果があった。骨欠損のある患者で凍結乾燥したPRPが使用できれば臨床の現場で非常に有効である。今後は3-5年の長期保存の効果を明らかにするとともに、凍結乾燥PRPバンクの構築が実用化に向けて重要であると考える。

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Published: 2022-01-27  

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