Clin Orthop Surg.  2020 Mar;12(1):120-129. 10.4055/cios.2020.12.1.120.

Proteomic Classification and Identification of Proteins Related to Tissue Healing of Platelet-Rich Plasma

Affiliations
  • 1Department of Orthopaedic Surgery, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea. happynoh@gmail.com
  • 2Gachon Medical Research Institute, Gil Medical Center, Gachon University, Incheon, Korea.
  • 3Department of Orthopaedic Surgery, The Second Hospital of Jilin University, Changchun, China.
  • 4Department of Radiology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.

Abstract

BACKGROUND
Platelet-rich plasma (PRP) is a plasma component of autologous blood containing a high concentration of platelets. PRP is used to promote healing of damaged tissues. However, there are not many studies on the composition and expression patterns of active proteins in PRP. The purpose of this study was to identify unknown factors that contribute to tissue healing by proteomic analysis of proteins in PRP.
METHODS
Three men in their 30s with no basal disease participated in this study. All identified proteins were classified for tissue healing-related functions on the basis of the gene ontology analysis of adhesion molecule with Ig-like domain 2 (AmiGO2). PRP was prepared by using the ACP kit and GPS III kit.
RESULTS
We identified a total of 125 proteins related to wound healing, along with three proteins for angiogenesis involved in wound healing, two proteins for fibroblast migration, four proteins for collagen biosynthesis process, two proteins for glycosaminoglycan biosynthesis process, and 13 proteins for glycosaminoglycan binding. So, in addition to the growth factors that have been already known to be involved in tissue healing, 25 new proteins were identified.
CONCLUSIONS
We identified the unknown proteins associated with tissue healing in PRP. Our findings may serve as a foundation for the establishment of basic medical evidence for PRP applications.

Keyword

Platelet-rich plasma; Wound healing; Proteome; Gene ontology
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