The effect of injectable platelet-rich fibrin and platelet-rich fibrin in regenerative endodontics: a comparative in vitro study

IF 2.2 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Applied Oral Science Pub Date : 2024-06-14 DOI:10.1590/1678-7757-2023-0449

Jing PAN, Linjuan LUO, Zhen Jiang, Haiyan Huang, B. Jiang

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引用次数: 0

Abstract

Abstract Objective To explore the feasibility of injectable platelet-rich fibrin (i-PRF) in regenerative endodontics by comparing the effect of i-PRF and platelet-rich fibrin (PRF) on the biological behavior and angiogenesis of human stem cells from the apical papilla (SCAPs). Methodology i-PRF and PRF were obtained from venous blood by two different centrifugation methods, followed by hematoxylin-eosin (HE) staining and scanning electron microscopy (SEM). Enzyme-linked immunosorbent assay (ELISA) was conducted to quantify the growth factors. SCAPs were cultured with different concentrations of i-PRF extract (i-PRFe) and PRF extract (PRFe), and the optimal concentrations were selected using the Cell Counting Kit-8 (CCK-8) assay. The cell proliferation and migration potentials of SCAPs were then observed using the CCK-8 and Transwell assays. Mineralization ability was detected by alizarin red staining (ARS), and angiogenesis ability was detected by tube formation assay. Real-time quantitative polymerase chain reaction (RT-qPCR) was performed to evaluate the expression of genes related to mineralization and angiogenesis. The data were subjected to statistical analysis. Results i-PRF and PRF showed a similar three-dimensional fibrin structure, while i-PRF released a higher concentration of growth factors than PRF ( P <.05). 1/4× i-PRFe and 1/4× PRFe were selected as the optimal concentrations. The cell proliferation rate of the i-PRFe group was higher than that of the PRFe group ( P <.05), while no statistical difference was observed between them in terms of cell mitigation ( P >.05). More importantly, our results showed that i-PRFe had a stronger effect on SCAPs than PRFe in facilitating mineralization and angiogenesis, with the consistent result of RT-qPCR ( P <.05). Conclusion This study revealed that i-PRF released a higher concentration of growth factors and was superior to PRF in promoting proliferation, mineralization and angiogenesis of SCAPs, which indicates that i-PRF could be a promising biological scaffold for application in pulp regeneration.

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可注射的富血小板纤维蛋白和富血小板纤维蛋白在牙髓再生术中的效果：体外比较研究

摘要目的通过比较可注射富血小板纤维蛋白（i-PRF）和富血小板纤维蛋白（PRF）对根尖乳头人类干细胞（SCAPs）的生物学行为和血管生成的影响，探讨可注射富血小板纤维蛋白（i-PRF）在牙髓再生治疗中的可行性。方法通过两种不同的离心方法从静脉血中获得 i-PRF 和 PRF，然后进行苏木精-伊红（HE）染色和扫描电子显微镜（SEM）检查。酶联免疫吸附试验（ELISA）用于定量检测生长因子。用不同浓度的i-PRF提取物（i-PRFe）和PRF提取物（PRFe）培养SCAP，并用细胞计数试剂盒-8（CCK-8）测定法选择最佳浓度。然后使用 CCK-8 和 Transwell 试验观察 SCAPs 的细胞增殖和迁移潜力。通过茜素红染色（ARS）检测矿化能力，通过血管形成试验检测血管生成能力。实时定量聚合酶链反应（RT-qPCR）用于评估矿化和血管生成相关基因的表达。对数据进行统计分析。结果 i-PRF 和 PRF 显示出相似的三维纤维蛋白结构，而 i-PRF 释放的生长因子浓度高于 PRF ( P .05)。更重要的是，我们的结果表明，i-PRFe 在促进矿化和血管生成方面对 SCAPs 的作用比 PRFe 更强，这与 RT-qPCR 的结果一致 ( P <.05)。结论本研究表明，i-PRF 能释放更高浓度的生长因子，在促进 SCAPs 增殖、矿化和血管生成方面优于 PRF，这表明 i-PRF 可以作为一种很有前景的生物支架应用于牙髓再生。

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来源期刊

Journal of Applied Oral Science 医学-牙科与口腔外科

CiteScore

4.80

自引率

3.70%

发文量

审稿时长

4-8 weeks

期刊介绍： The Journal of Applied Oral Science is committed in publishing the scientific and technologic advances achieved by the dental community, according to the quality indicators and peer reviewed material, with the objective of assuring its acceptability at the local, regional, national and international levels. The primary goal of The Journal of Applied Oral Science is to publish the outcomes of original investigations as well as invited case reports and invited reviews in the field of Dentistry and related areas.

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