イヌ血小板濃厚液調製法の標準化とその機能的特性評価
Sanggu Kim1, Preeti Kumari Chaudhary2, Soochong Kim1,3
1Laboratory of Veterinary Pathology and Platelet Signaling, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea.
Journal of veterinary science
|February 9, 2026
まとめ
二段階遠心分離プロトコルは、イヌ血小板濃厚液(PRP)の血小板回収率と機能を大幅に向上させる。1,500 rpmで5+5分間行うこの最適化された方法は、臨床および研究用途において優れた結果をもたらす。
科学分野:
- 獣医学
- バイオテクノロジー
- 血液学
背景:
- 血小板濃厚液(PRP)はその増殖因子により価値があるが、標準化された調製法が欠如している。
- PRPの収量、白血球混入率、機能のばらつきが、臨床および研究における有用性を妨げている。
研究 の 目的:
- イヌPRP調製のための最適な遠心分離パラメータを決定すること。
- 血小板回収率を最大化し、同時に血小板機能を維持することを目的とした。
主な方法:
- イヌ全血を、単一段階遠心分離(800-2,000 rpm、10分間)または二段階遠心分離(1,500 rpm、5+5分)を用いて処理した。
- 血小板回収率、白血球(WBC)混入率、血小板凝集、密顆粒分泌、トロンボキサンA₂産生、AKT/ERKリン酸化、PDGF-BB放出を測定した。
主要な成果:
- 1回の1,500 rpm/10分間の遠心分離では、血小板回収率は約25.1%、白血球混入率は1%未満であり、機能的応答は最適であった。二段階遠心分離(1,500 rpm/5+5分)により、血小板回収率は約48.7%に大幅に増加し、単一段階法と比較して機能的指標が向上した。
結論:
- 二段階遠心分離プロトコル(1,500 rpm/5+5分)は、イヌにおいて白血球の少ないPRPを効果的に産生する。
- この方法は、血小板回収率と機能が優れており、より一貫した臨床および研究結果をサポートする。
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