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Novel transplant of combined platelet-rich fibrin Releasate and bone marrow stem cells prevent bone loss in Ovariectomized osteoporotic mice

Authors
  • Wong, Chin-Chean1, 2, 2, 2, 3
  • Liao, Jeng-Hao4
  • Sheu, Shi-Yuan5, 6
  • Lin, Po-Yu4
  • Chen, Chih-Hwa1, 2, 2, 2
  • Kuo, Tzong-Fu4, 7
  • 1 Taipei Medical University, New Taipei City, 23561, Taiwan , New Taipei City (Taiwan)
  • 2 Taipei Medical University, Taipei, 11031, Taiwan , Taipei (Taiwan)
  • 3 Non-invasive Cancer Therapy Research Institute of Taiwan, Taipei, 10489, Taiwan , Taipei (Taiwan)
  • 4 National Taiwan University, Taipei, 10617, Taiwan , Taipei (Taiwan)
  • 5 I-Shou University, Kaohsiung, 84001, Taiwan , Kaohsiung (Taiwan)
  • 6 E-Da Cancer Hospital, Kaohsiung, 84001, Taiwan , Kaohsiung (Taiwan)
  • 7 Asia University, Taichung, 41354, Taiwan , Taichung (Taiwan)
Type
Published Article
Journal
BMC Musculoskeletal Disorders
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Aug 08, 2020
Volume
21
Issue
1
Identifiers
DOI: 10.1186/s12891-020-03549-y
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundOsteoporosis is a metabolic bone disorder characterized by deterioration in the quantity and quality of bone tissue, with a consequent increase susceptibility to fracture.MethodsIn this study, we sought to determine the efficacy of platelet-rich fibrin releasates (PRFr) in augmenting the therapeutic effects of stem cell-based therapy in treating osteoporotic bone disorder. An osteoporosis mouse model was established through bilateral ovariectomy on 12-week-old female ICR (Institute of Cancer Research) mice. Eight weeks postoperatively, the ovariectomized (OVX) mice were left untreated (control) or injected with PRFr, bone marrow stem cells (BMSCs), or the combination of BMSCs and PRFr. Two different injection (single versus quadruple) dosages were tested to investigate the accumulative effects of BMSCS and PRFr on bone quality.Eight weeks after injection, the changes in tibial microstructural profiles included the percentage of bone volume versus total tissue volume (BV/TV, %), bone mineral density (BMD, g/cm3), trabecular number (Tb.N, number/mm), and trabecular separation (Tb.Sp, mm) and bony histology were analyzed.ResultsPostmenopausal osteoporosis model was successfully established in OVX mice, evidenced by reduced BMD, decreased BV/TV, lower Tb.N but increased Tb.Sp. Eight weeks after injection, there was no significant change to BMD and bone trabeculae could be detected in mice that received single-injection regimen. In contrast, in mice which received 4 doses of combined PRFr and BMSCs, the BMD, BV/TV, and TB.N increased, and the TB.Sp decreased significantly compared to untreated OVX mice. Moreover, the histological analysis showed the trabecular spacing become narrower in OVX-mice treated with quadruple injection of BMSCs and combined PRFr and BMSCs than untreated control.ConclusionThe systemic administration of combined BMSCs and PRFr protected against OVX-induced bone mass loss in mice. Moreover, the improvement of bony profile scores in quadruple-injection group is better than the single-injection group, probably through the increase in effect size of cells and growth factors. Our data also revealed the combination therapy of BMSCs and PRFr has better effect in enhancing osteogenesis, which may provide insight for the development of a novel therapeutic strategy in osteoporosis treatment.

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