Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin
Abstract Background Platelet-rich plasma (PRP) is widely used in regenerative dentistry. Furthermore, it is often applied in the pretreatment of titanium implants to improve their surface bioaffinity and initial stability. However, effects of PRP application on implant surface at cellular and molecu...
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doaj-c6700f0f74e14718ba5ce48aff5299b32020-11-25T01:38:38ZengSpringerOpenInternational Journal of Implant Dentistry2198-40342019-02-015111510.1186/s40729-019-0160-zPlatelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectinAkira TakahashiShotaro TakahashiTetsuhiro Tsujino0Kazushige Isobe1Taisuke Watanabe2Yutaka Kitamura3Takao Watanabe4Koh Nakata5Tomoyuki Kawase6Tokyo Plastic Dental SocietyTokyo Plastic Dental SocietyDivision of Anatomy and Cell Biology of the Hard Tissue, Institute of Medicine and Dentistry, Niigata UniversityDepartment of Oral and Maxillofacial Surgery, Matsumoto Dental UniversityDepartment of Oral Science, Graduate School of Dentistry, Kanagawa Dental UniversityBioscience Medical Research Center, Niigata University Medical and Dental HospitalDivision of Oral Bioengineering, Institute of Medicine and Dentistry, Niigata UniversityAbstract Background Platelet-rich plasma (PRP) is widely used in regenerative dentistry. Furthermore, it is often applied in the pretreatment of titanium implants to improve their surface bioaffinity and initial stability. However, effects of PRP application on implant surface at cellular and molecular levels remain poorly understood. Therefore, we examined platelet adhesion on commercially pure titanium (cp-Ti) plates, with a particular focus on fibrinogen (FGN), von Willebrand factor (vWF), and fibronectin (FN), in the presence or absence of plasma components. Methods Citrated blood samples were obtained from six healthy male volunteers, and pure-PRP (P-PRP) and pure platelet suspensions in phosphate-buffered saline (PBS) were prepared. Platelet adhesion on cp-Ti plate surface was evaluated by phalloidin staining and tetrazolium dye assay. Distribution of FGN, vWF, FN, albumin, CD62P, and CD63 was examined by immunocytochemical analysis. Results Platelets in PBS suspensions rapidly and time-dependently adhered to cp-Ti plate surface, but this adhesion was substantially disturbed by the presence of plasma components. FGN was most preferably adsorbed regardless of the presence or absence of plasma components, while vWF and FN showed greater accumulation on platelet adhesion area. Conclusions Although FGN is rapidly and abundantly adsorbed on cp-Ti plate surface, vWF and FN function as major platelet adhesion molecules in citrated blood samples. After pretreatment with P-PRP, however, platelets adhered to cp-Ti much less efficiently. Therefore, P-PRP pretreatment might not directly contribute to surface functionalization, initial stabilization, and osseointegration of machined or similar types of implants.http://link.springer.com/article/10.1186/s40729-019-0160-zPlateletTitaniumAdhesionFibronectinvon Willebrand factorFibrinogen |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Akira Takahashi Shotaro Takahashi Tetsuhiro Tsujino Kazushige Isobe Taisuke Watanabe Yutaka Kitamura Takao Watanabe Koh Nakata Tomoyuki Kawase |
spellingShingle |
Akira Takahashi Shotaro Takahashi Tetsuhiro Tsujino Kazushige Isobe Taisuke Watanabe Yutaka Kitamura Takao Watanabe Koh Nakata Tomoyuki Kawase Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin International Journal of Implant Dentistry Platelet Titanium Adhesion Fibronectin von Willebrand factor Fibrinogen |
author_facet |
Akira Takahashi Shotaro Takahashi Tetsuhiro Tsujino Kazushige Isobe Taisuke Watanabe Yutaka Kitamura Takao Watanabe Koh Nakata Tomoyuki Kawase |
author_sort |
Akira Takahashi |
title |
Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin |
title_short |
Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin |
title_full |
Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin |
title_fullStr |
Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin |
title_full_unstemmed |
Platelet adhesion on commercially pure titanium plates in vitro I: effects of plasma components and involvement of the von Willebrand factor and fibronectin |
title_sort |
platelet adhesion on commercially pure titanium plates in vitro i: effects of plasma components and involvement of the von willebrand factor and fibronectin |
publisher |
SpringerOpen |
series |
International Journal of Implant Dentistry |
issn |
2198-4034 |
publishDate |
2019-02-01 |
description |
Abstract Background Platelet-rich plasma (PRP) is widely used in regenerative dentistry. Furthermore, it is often applied in the pretreatment of titanium implants to improve their surface bioaffinity and initial stability. However, effects of PRP application on implant surface at cellular and molecular levels remain poorly understood. Therefore, we examined platelet adhesion on commercially pure titanium (cp-Ti) plates, with a particular focus on fibrinogen (FGN), von Willebrand factor (vWF), and fibronectin (FN), in the presence or absence of plasma components. Methods Citrated blood samples were obtained from six healthy male volunteers, and pure-PRP (P-PRP) and pure platelet suspensions in phosphate-buffered saline (PBS) were prepared. Platelet adhesion on cp-Ti plate surface was evaluated by phalloidin staining and tetrazolium dye assay. Distribution of FGN, vWF, FN, albumin, CD62P, and CD63 was examined by immunocytochemical analysis. Results Platelets in PBS suspensions rapidly and time-dependently adhered to cp-Ti plate surface, but this adhesion was substantially disturbed by the presence of plasma components. FGN was most preferably adsorbed regardless of the presence or absence of plasma components, while vWF and FN showed greater accumulation on platelet adhesion area. Conclusions Although FGN is rapidly and abundantly adsorbed on cp-Ti plate surface, vWF and FN function as major platelet adhesion molecules in citrated blood samples. After pretreatment with P-PRP, however, platelets adhered to cp-Ti much less efficiently. Therefore, P-PRP pretreatment might not directly contribute to surface functionalization, initial stabilization, and osseointegration of machined or similar types of implants. |
topic |
Platelet Titanium Adhesion Fibronectin von Willebrand factor Fibrinogen |
url |
http://link.springer.com/article/10.1186/s40729-019-0160-z |
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