Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.

Platelet-rich plasma (PRP) is a widely used autologous treatment for tendon injuries in clinics. Platelets (PLTs) are a major source of high mobility group box1 (HMGB1) that is gaining attention as a chemoattractant that can recruit stem cells to the wound area to enhance healing of injured tissues;...

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Autores principales:	Jianying Zhang, Feng Li, Tyler Augi, Kelly M Williamson, Kentaro Onishi, MaCalus V Hogan, Matthew D Neal, James H-C Wang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7999ade865044694bd91ced146b932a5
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spelling	oai:doaj.org-article:7999ade865044694bd91ced146b932a52021-12-02T20:08:14ZPlatelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.1932-620310.1371/journal.pone.0251166https://doaj.org/article/7999ade865044694bd91ced146b932a52021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251166https://doaj.org/toc/1932-6203Platelet-rich plasma (PRP) is a widely used autologous treatment for tendon injuries in clinics. Platelets (PLTs) are a major source of high mobility group box1 (HMGB1) that is gaining attention as a chemoattractant that can recruit stem cells to the wound area to enhance healing of injured tissues; however, the contribution of PLT HMGB1 in wounded tendon healing remains unexplored. This study investigated the effect of PLT HMGB1 within PRP on tendon healing using PLT HMGB1 knockout (KO) and GFP mice. A window defect was created in the patellar tendons of both groups of mice, and wounds were treated with either saline, PRP isolated from PLT HMGB1-KO mice, or PRP isolated from GFP mice. Seven days post-treatment, animals were sacrificed and analyzed by gross inspection, histology, and immunostaining for characteristic signs of tendon healing and repair. Our results showed that in comparison to mice treated with PRP from PLT HMGB1-KO mice, wounds treated with PRP from GFP mice healed faster and exhibited a better organization in tendon structure. Mice treated with PRP from PLT HMGB1-KO mice produced tendon tissue with large premature wound areas and low cell densities. However, wounds of PLT HMGB1-KO mice showed better healing with PRP from HMGB1-KO mice compared to saline treatment. Moreover, wounds treated with PRP from GFP mice had increased extracellular HMGB1, decreased CD68, increased stem cell markers CD146 and CD73, and increased collagen III protein expression levels compared to those treated with PRP from PLT HMGB1-KO mice. Thus, PLT HMGB1 within PRP plays an important role in tendon wound healing by decreasing inflammation, increasing local HMGB1 levels, and recruiting stem cells to the wound area in the tendon. Our findings also suggest that the efficacy of PRP treatment for tendon injuries in clinics may depend on PLT HMGB1 within PRP preparations.Jianying ZhangFeng LiTyler AugiKelly M WilliamsonKentaro OnishiMaCalus V HoganMatthew D NealJames H-C WangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0251166 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jianying Zhang Feng Li Tyler Augi Kelly M Williamson Kentaro Onishi MaCalus V Hogan Matthew D Neal James H-C Wang Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.
description	Platelet-rich plasma (PRP) is a widely used autologous treatment for tendon injuries in clinics. Platelets (PLTs) are a major source of high mobility group box1 (HMGB1) that is gaining attention as a chemoattractant that can recruit stem cells to the wound area to enhance healing of injured tissues; however, the contribution of PLT HMGB1 in wounded tendon healing remains unexplored. This study investigated the effect of PLT HMGB1 within PRP on tendon healing using PLT HMGB1 knockout (KO) and GFP mice. A window defect was created in the patellar tendons of both groups of mice, and wounds were treated with either saline, PRP isolated from PLT HMGB1-KO mice, or PRP isolated from GFP mice. Seven days post-treatment, animals were sacrificed and analyzed by gross inspection, histology, and immunostaining for characteristic signs of tendon healing and repair. Our results showed that in comparison to mice treated with PRP from PLT HMGB1-KO mice, wounds treated with PRP from GFP mice healed faster and exhibited a better organization in tendon structure. Mice treated with PRP from PLT HMGB1-KO mice produced tendon tissue with large premature wound areas and low cell densities. However, wounds of PLT HMGB1-KO mice showed better healing with PRP from HMGB1-KO mice compared to saline treatment. Moreover, wounds treated with PRP from GFP mice had increased extracellular HMGB1, decreased CD68, increased stem cell markers CD146 and CD73, and increased collagen III protein expression levels compared to those treated with PRP from PLT HMGB1-KO mice. Thus, PLT HMGB1 within PRP plays an important role in tendon wound healing by decreasing inflammation, increasing local HMGB1 levels, and recruiting stem cells to the wound area in the tendon. Our findings also suggest that the efficacy of PRP treatment for tendon injuries in clinics may depend on PLT HMGB1 within PRP preparations.
format	article
author	Jianying Zhang Feng Li Tyler Augi Kelly M Williamson Kentaro Onishi MaCalus V Hogan Matthew D Neal James H-C Wang
author_facet	Jianying Zhang Feng Li Tyler Augi Kelly M Williamson Kentaro Onishi MaCalus V Hogan Matthew D Neal James H-C Wang
author_sort	Jianying Zhang
title	Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.
title_short	Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.
title_full	Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.
title_fullStr	Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.
title_full_unstemmed	Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.
title_sort	platelet hmgb1 in platelet-rich plasma (prp) promotes tendon wound healing.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/7999ade865044694bd91ced146b932a5
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Platelet HMGB1 in Platelet-Rich Plasma (PRP) promotes tendon wound healing.

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