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International Journal of Bioprinting                             Clinical applications of bioprinted active bone


            autologous PRP as another main component of the bioink.   Methodology: Yongqiang Hao
            PRP is an extract of autologous whole blood containing a   Writing – original draft: Bojun Cao
            high concentration of platelets and small amounts of white   Writing – review and editing: Bojun Cao and Yongqiang Hao
                                                 t
            blood cells and fibrin. Platelets are a ctivated o release a
            variety of growth factors, including platelet-derived growth   Ethics approval and consent to participate
            factor (PDGF), transforming growth factor (TGF), vascular   This study was approved by the Ethics Committee of the
            endothelial growth factor (VEGF), and insulin-like growth   Ninth  People’s  Hospital,  Shanghai  Jiao  Tong University
            factor (IGF), and play an  important role in promoting  School of Medicine (SH9H-2021-T245-1). Informed
            bone formation and angiogenesis [18,19] . In addition, the  consent was obtained from the patient.
            preparation of PRP is simple, and only a small amount of
            blood will be taken from the peripheral vein of the patient,   Consent for publication
            which significantly reduces the discomfort to the patient.  Signed consent was obtained from the patient and

            4. Conclusion                                      guardians for the publication of patient-related test results
                                                               for this study.
            We successfully performed a left tibial tumor resection and
            implemented PCL/β-TCP/PRP bioprinting active bone  Availability of data
            implantation for the repair of bone defect. The wound  Data will be made available on request.
            recovered well after the operation, and we will continue to
            follow up with the patient regularly to evaluate the clinical   References
            efficacy of the bioprinted active bone. This report presents   1.  Roddy  E, DeBaun MR,  Daoud-Gray  A, et al., 2018,
            the first case of applying self-developed 3D-bioprinted  Treatment of critical-sized bone defects: Clinical and tissue
            active bone in the repair of bone defects, marking the  engineering perspectives.  Eur J Orthop Surg Traumatol,
            advent of a new era of using 3D-bioprinted structures in   28: 351–362.
            clinical practice in China.
                                                                  https://doi.org/10.1007/s00590-017-2063-0
            Acknowledgments                                    2.  Li J, Lai Y, Li M,  et  al., 2022, Repair of infected bone

            None.                                                 defect  with clindamycin-tetrahedral DNA nanostructure
                                                                  complex-loaded 3D bioprinted hybrid scaffold. Chem Eng J,
            Funding                                               435: 134855.
                                                                  https://doi.org/10.1016/j.cej.2022.134855
            The authors thank the funding support from the General
            program of NSFC (81972058) and Shanghai Key Clinical   3.  Agarwal R, Garcia AJ, 2015, Biomaterial strategies for
            Specialty Construction Project – Biomedical Materials  engineering implants for enhanced osseointegration and
            (shslczdzk06701), 3-year Action Plan of Shenkang      bone repair. Adv Drug Deliv Rev, 94: 53–62.
            Development Center (SHDC2020CR2019B), Huangpu         https://doi.org/10.1016/j.addr.2015.03.013
            District Industrial Support Fund (XK2020009) and   4.  Kruyt MC, van Gaalen SM, Oner FC,  et  al., 2004, Bone
            National Key Science and Technology Infrastructure    tissue engineering and spinal fusion: The potential of hybrid
            of Translational Medicine (Shanghai) Open Project     constructs by combining osteoprogenitor cells and scaffolds.
            (TMSZ-2020-207),  Shanghai  Engineering  Research     Biomaterials, 25: 1463–1473.
            Center of Innovative Orthopedic Instruments and       https://doi.org/10.1016/s0142-9612(03)00490-3
            Personalized Medicine (19DZ2250200), Shanghai Science
            and Technology Commission Yangtze River Delta      5.  Visscher DO, Farre-Guasch E, Helder MN, et al., 2016,
            Science and Technology Innovation Community Project   Advances in bioprinting technologies for craniofacial
                                                                  reconstruction. Trends Biotechnol, 34: 700–710.
            (21002411200), and Technical Standard Project of Shanghai
            Science and Technology Commission (21DZ2201500).      https://doi.org/10.1016/j.tibtech.2016.04.001
                                                               6.  Ashammakhi N, Hasan A, Kaarela O, et al., 2019, Advancing
            Conflict of interest                                  frontiers in bone bioprinting. Adv Healthc Mater, 8: 1801048.
            The authors declare that they have no conflicts of interest.  https://doi.org/10.1002/adhm.201801048
            Author contributions                               7.  Menezes DJ, Shibli JA, Gehrke SA, et al., 2017, Effect of
                                                                  platelet-rich  plasma  in  alveolar  distraction  osteogenesis:
            Conceptualization: Yongqiang Hao                      A  controlled clinical trial.  Br J Oral Maxillofac Surg,
            Investigation: All authors                            55: 447–447.


            Volume 9 Issue 2 (2023)                         74                      https://doi.org/10.18063/ijb.v9i2.654
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