Rafael A. D. Prinz, Leonardo Rosa da Rocha, Thiago Penna Eirado, Jonathan da Silva Pinto, João Antônio Matheus Guimarães, Fabricio Fogagnolo, Rhayra Braga Dias
{"title":"Biological parameters for quality evaluation of allografts from the Brazilian National Institute of Traumatology and Orthopedics tissue bank","authors":"Rafael A. D. Prinz, Leonardo Rosa da Rocha, Thiago Penna Eirado, Jonathan da Silva Pinto, João Antônio Matheus Guimarães, Fabricio Fogagnolo, Rhayra Braga Dias","doi":"10.1007/s10561-024-10125-4","DOIUrl":"https://doi.org/10.1007/s10561-024-10125-4","url":null,"abstract":"<p>Bone allografts are clinically used in a variety of surgical procedures, and tissue banks are responsible for harvesting, processing, quality testing, storing, and delivering these materials for transplantation. In tissue banks, the bone is processed for the removal of all organic content, remaining only the tissue structure (scaffold). However, several studies have shown that even after using different processing methods, viable cells, functional proteins, and DNA may still persist in the tissue, which constitute the main causes of graft rejection. Therefore, the objective of this study was to establish techniques and biological parameters for quality validation of allografts. To this end, we propose the use of 3 combined methods such as microscopy, histology, and molecular biology techniques to evaluate the quality of allografts harvested and processed by the Brazilian National Institute of Traumatology and Orthopedics (INTO) tissue bank according to the donation criteria of the Brazilian National Health Surveillance Agency and the Brazilian National Transplant System. Bone fragments from different processing stages showed no viable cells on histology, an intact extracellular matrix on scanning electron microscopy, and gradual reduction in DNA amount. Different techniques were used to demonstrate the quality of allografts produced by the INTO tissue bank and to establish biological parameters for ensuring the safety and quality of these products. Future studies need to be undertaken to assess and validate the efficacy of the decellularization process in larger bone grafts with diverse architectural configurations.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":"134 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Bone tissue regeneration by 58S bioactive glass scaffolds containing exosome: an in vivo study","authors":"Faezeh Esmaeili Ranjbar, Afsaneh Esmaeili Ranjbar, Ziba Veisi Malekshahi, Zahra Taghdiri-Nooshabadi, Davood Rabiei Faradonbeh, Pouya Youseflee, Sahar Ghasemi, Mahboubeh Vatanparast, Fazli Azim, Vajihe Taghdiri Nooshabadi","doi":"10.1007/s10561-023-10120-1","DOIUrl":"https://doi.org/10.1007/s10561-023-10120-1","url":null,"abstract":"<p>Exosomes, the naturally secreted nanocarriers of cells, have recently been demonstrated to have therapeutic benefits in a variety of disease models where parent cells are not present. However, the use of exosomes in bone defect regeneration has been unusual, and little is documented about the underlying processes. In recent study we produced and characterized exosomes derived human endometrial mesenchymal stem stromal cells and 58S bioactive glass scaffolds; in following, in this research exosome loaded scaffolds synthetized and release of exosome, porosity and bioactivity of them were assessed. More over the effect of scaffolds on repair of critical-size bone defects in rat’s calvaria was evaluated by histological examination and micro computed tomography (µ CT). The findings confirmed that constructed porous scaffolds consistently release exosomes; additionally, in vivo findings including Hematoxilin & Eosin staining, Immunohistochemistry, Masson's trichrome, histomorphometric analysis, and µ CT clarified that our implant has osteogenic properties. We discovered that Exo-treated scaffolds might promote osteogenesis especially compared to pure scaffolds, indicating that produced scaffolds containing exosomes could be a potential replacement in bone tissue engineering.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139070586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2023-05-25DOI: 10.1007/s10561-023-10096-y
Vojtech Horvath, Alzbeta Svobodova, Joao Victor Cabral, Radovan Fiala, Jan Burkert, Petr Stadler, Jaroslav Lindner, Jan Bednar, Martina Zemlickova, Katerina Jirsova
{"title":"Inter-placental variability is not a major factor affecting the healing efficiency of amniotic membrane when used for treating chronic non-healing wounds.","authors":"Vojtech Horvath, Alzbeta Svobodova, Joao Victor Cabral, Radovan Fiala, Jan Burkert, Petr Stadler, Jaroslav Lindner, Jan Bednar, Martina Zemlickova, Katerina Jirsova","doi":"10.1007/s10561-023-10096-y","DOIUrl":"10.1007/s10561-023-10096-y","url":null,"abstract":"<p><p>This study aimed to evaluate the efficacy of cryopreserved amniotic membrane (AM) grafts in chronic wound healing, including the mean percentage of wound closure per one AM application, and to determine whether the healing efficiency differs between AM grafts obtained from different placentas. A retrospective study analyzing inter-placental differences in healing capacity and mean wound closure after the application of 96 AM grafts prepared from nine placentas. Only the placentas from which the AM grafts were applied to patients suffering from long-lasting non-healing wounds successfully healed by AM treatment were included. The data from the rapidly progressing wound-closure phase (p-phase) were analyzed. The mean efficiency for each placenta, expressed as an average of wound area reduction (%) seven days after the AM application (baseline, 100%), was calculated from at least 10 applications. No statistical difference between the nine placentas' efficiency was found in the progressive phase of wound healing. The 7-day average wound reduction in particular placentas varied from 5.70 to 20.99% (median from 1.07 to 17.75) of the baseline. The mean percentage of wound surface reduction of all analyzed defects one week after the application of cryopreserved AM graft was 12.17 ± 20.12% (average ± SD). No significant difference in healing capacity was observed between the nine placentas. The data suggest that if there are intra- and inter-placental differences in AM sheets' healing efficacy, they are overridden by the actual health status of the subject or even the status of its individual wounds.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"779-788"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10616215/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9872015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2022-12-23DOI: 10.1007/s10561-022-10065-x
Junran Sun, Lindsey Westover, Kezhou Wu, Leila Laouar, Nadr M Jomha, Samer Adeeb, Gail M Thornton
{"title":"Compressive mechanical properties of vitrified porcine menisci are superior to frozen and similar to fresh porcine menisci.","authors":"Junran Sun, Lindsey Westover, Kezhou Wu, Leila Laouar, Nadr M Jomha, Samer Adeeb, Gail M Thornton","doi":"10.1007/s10561-022-10065-x","DOIUrl":"10.1007/s10561-022-10065-x","url":null,"abstract":"<p><p>The common practice of freezing meniscal allograft tissue is limited due to the formation of damaging ice crystals. Vitrification, which eliminates the formation of damaging ice crystals, may allow the mechanical properties of meniscal allograft tissue to be maintained during storage and long-term preservation. The primary objective of this study was to investigate the differences between fresh, frozen, and vitrified porcine lateral menisci examining compressive mechanical properties in the axial direction. Unconfined compressive stress-relaxation testing was conducted to quantify the mechanical properties of fresh, frozen and vitrified porcine lateral menisci. The compressive mechanical properties investigated were peak and equilibrium stress, secant, instantaneous and equilibrium modulus, percent stress-relaxation, and relaxation time constants from three-term Prony series. Frozen menisci exhibited inferior compressive mechanical properties in comparison with fresh menisci (significant differences in peak and equilibrium stress, and secant, instantaneous and equilibrium modulus) and vitrified menisci (significant differences in peak stress, and secant and instantaneous modulus). Interestingly, fresh and vitrified menisci exhibited comparable compressive mechanical properties (stress, modulus and relaxation parameters). These findings are significant because (1) vitrification was successful in maintaining mechanical properties at values similar to fresh menisci, (2) compressive mechanical properties of fresh menisci were characterized providing a baseline for future research, and (3) freezing affected mechanical properties confirming that freezing should be used with caution in future investigations of meniscal mechanical properties. Vitrification was superior to freezing for preserving compressive mechanical properties of menisci which is an important advance for vitrification as a preservation option for meniscal allograft transplantation.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"737-745"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10421081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2023-03-22DOI: 10.1007/s10561-023-10074-4
Anell Olivos-Meza, Mats Brittberg, Gabriela Martínez-Nava, Carlos Landa-Solis
{"title":"Suitable characteristics in the selection of human allogeneic chondrocytes donors to increase the number of viable cells for cartilage repair.","authors":"Anell Olivos-Meza, Mats Brittberg, Gabriela Martínez-Nava, Carlos Landa-Solis","doi":"10.1007/s10561-023-10074-4","DOIUrl":"10.1007/s10561-023-10074-4","url":null,"abstract":"<p><p>Autologous chondrocyte implantation has shown optimal long-term outcomes in the treatment of cartilage lesions. The challenge for a single-stage approach lies in obtaining sufficient number of cells with high viability. The answer could lie in supplementing or replacing them with allogenic chondrocytes coming from cadaveric donors. In the present work, we aimed to compare the number of viable cells isolated from cartilage of live and cadaveric donors and to determine the suitable characteristics of the best donors. A total of 65 samples from donors aged from 17 to 55 years, either women or men, were enrolled in this study (33 living vs. 32 cadaveric). The mean time of hours from death to processing samples in cadaveric donors was higher compared to live donors (64.3 ± 17.7 vs. 4.6±6.4). The number of isolated chondrocytes per gram of cartilage was higher in cadaveric donors (5.389 × 10<sup>6</sup> compared to 3.067 × 10<sup>6</sup> in living donors), whereas the average of cell viability was comparable in both groups (84.16% cadaveric, 87.8% alive). It is possible to obtain viable chondrocytes from cartilage harvested from cadaveric donors, reaching a similar cell number and viability to that obtained from the cartilage of living donors.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"725-735"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10030348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9174036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2023-02-28DOI: 10.1007/s10561-023-10075-3
Gaëtan J-R Delcroix, Amber Hackett, Paul C Schiller, H Thomas Temple
{"title":"Characterization of three washing/decellularization procedures for the production of bioactive human micronized neural tissue (hMINT).","authors":"Gaëtan J-R Delcroix, Amber Hackett, Paul C Schiller, H Thomas Temple","doi":"10.1007/s10561-023-10075-3","DOIUrl":"10.1007/s10561-023-10075-3","url":null,"abstract":"<p><strong>Background: </strong>We developed a novel, injectable and decellularized human peripheral nerve-based scaffold, named Micronized Human Neural Tissue (hMINT), designed to be used as a supportive matrix for stem cell transplantation in the context of spinal cord injury (SCI).</p><p><strong>Materials and methods: </strong>Human donated sciatic nerves were micronized at liquid nitrogen temperature prior to decellularization using 3 different procedures of various harshness. hMINT were characterized in terms of particle size, DNA, sulfated glycosaminoglycans (sGAG) and growth factors content. To test the biocompatibility and bioactivity of the various preparations, we used a type of mesenchymal stromal cells (MSCs), termed MIAMI cells, which were placed in contact with hMINT to monitor cell attachment by confocal microscopy and gene expression by RT-qPCR in vitro.</p><p><strong>Results: </strong>The content of DNA, sGAG and growth factors left in the product after processing was highly dependent on the decellularization procedure used. We demonstrated that hMINT are biocompatible and promoted the attachment and long-term survival of MIAMI cells in vitro. Finally, combination with hMINT increased MIAMI cells mRNA expression of pro-survival and anti-inflammatory factors. Importantly, the strongest bioactivity on MIAMI cells was observed with the hMINT decellularized using the mildest decellularization procedure, therefore emphasizing the importance of achieving an adequate decellularization without losing the hMINT's bioactivity.</p><p><strong>Perspectives and clinical significance: </strong>The capacity of hMINT/stem cells to facilitate protection of injured neural tissue, promote axon re-growth and improve functional recovery will be tested in an animal model of SCI and other neurodegenerative disorders in the future.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"693-703"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10803027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A bioscaffold of decellularized whole osteochondral sheet improves proliferation and differentiation of loaded mesenchymal stem cells in a rabbit model.","authors":"Leila Taghiyar, Hamideh Asadi, Mohamadreza Baghaban Eslaminejad","doi":"10.1007/s10561-023-10084-2","DOIUrl":"10.1007/s10561-023-10084-2","url":null,"abstract":"<p><p>As a Natural decellularized extracellular matrix, osteochondral tissue is the best scaffold for the restoration of osteoarthritis defects. Bioscaffolds have the most similarly innate properties like biomechanical properties and the preserved connection of the bone-to-cartilage border. Although, their compacity and low porosity particularly, are proven to be difficulties of decellularization and cell penetration. This study aims to develop a new bioscaffold of decellularized osteochondral tissue (DOT) that is recellularized by bone marrow-derived mesenchymal stem cells (BM-MSCs), as a biphasic allograft, which preserved the interface between the cartilage section and subchondral bone of the joint. Whole osteochondral tissues of rabbit knee joints were sheeted in cartilaginous parts in 200-250 µm sections while connected to the subchondral bone and then fully decellularized. The BM-MSCs were seeded on the scaffolds in vitro; some constructs were subcutaneously implanted into the back of the rabbit. The cell penetration, differentiation to bone and cartilage, viability, and cell proliferation in vitro and in vivo were evaluated by qPCR, histological staining, MTT assay, and immunohistochemistry. DNA content analysis and SEM assessments confirmed the decellularization of the bioscaffold. Then, histological and SEM evaluations indicated that the cells could successfully penetrate the bone and cartilage lacunas in implanted grafts. MTT assay confirmed cell proliferation. Prominently, gene expression analysis showed that seeded cells differentiated into osteoblasts and chondrocytes in both bone and cartilage sections. More importantly, seeded cells on the bioscaffold started ECM secretion. Our results indicate that cartilage-to-bone border integrity was largely preserved. Additionally, ECM-sheeted DOT could be employed as a useful scaffold for promoting the regeneration of osteochondral defects.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"711-724"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10304017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2023-05-24DOI: 10.1007/s10561-023-10095-z
Huifen Zang, Zhaohui Wang, Qingqing Wu, Lei Shi, Ge Chen
{"title":"Effect of hypoxia on the expression of microRNA in extracellular vesicles of human umbilical cord stem cells in vitro.","authors":"Huifen Zang, Zhaohui Wang, Qingqing Wu, Lei Shi, Ge Chen","doi":"10.1007/s10561-023-10095-z","DOIUrl":"10.1007/s10561-023-10095-z","url":null,"abstract":"<p><p>Mesenchymal stem cells (MSCs) derived extracellular vesicles, which have been shown to possess therapeutic effects for many diseases. However, how hypoxic conditions would affect exosomal microRNA expression in human umbilical cord MSCs (hUC-MSCs) is currently not investigated. This study aims to investigate the potential function of in vitro microRNAs of hUC-MSC cultured under normoxic and hypoxic conditions. Extracellular vesicles secreted from hUC-MSCs cultured in normoxic (21% O<sub>2</sub>) and hypoxic (5% O<sub>2</sub>) conditions were collected for microRNA identification. Zeta View Laser Scattering and transmission electron microscopy were used to observe the size and morphology of extracellular vesicles. qRT-PCR was performed to measure the expression of related microRNAs. The Gene Ontology and KEGG pathway were used to predict the function of microRNAs. Finally, the effects of hypoxia on the expression of related mRNAs and cellular activity were examined. This study identified 35 upregulated and 8 downregulated microRNAs in the hypoxia group. We performed target genes analysis to explore the potential function of these microRNA upregulated in the hypoxia group. Significant enrichment of the cell proliferation, pluripotency of stem cells, MAPK, Wnt, and adherens junction pathways were observed in the GO and KEGG pathways. Under hypoxic conditions, the expression levels of 7 target genes were lower than that of the normal environment. In conclusion, this study demonstrated for the first time that microRNA expression in extracellular vesicles of human umbilical vein stem cells cultured under hypoxia is different from that under normal conditions, and these microRNAs may be markers for detecting hypoxia.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"769-778"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9510085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2023-05-03DOI: 10.1007/s10561-023-10086-0
Shao-Lin Ji, Xiao-Dan Zhao, Li-Min Wang, Cheng-Gang Pang, Wen-Jing Li, Kun-Xiu Song, Rong-Xing Ma, Rui-Feng Li, Jing-Yu Zhang, Yong-Cheng Hu
{"title":"Comparison of demineralized bone matrix with different cycling crushing times in posterolateral fusion model of athymic rats.","authors":"Shao-Lin Ji, Xiao-Dan Zhao, Li-Min Wang, Cheng-Gang Pang, Wen-Jing Li, Kun-Xiu Song, Rong-Xing Ma, Rui-Feng Li, Jing-Yu Zhang, Yong-Cheng Hu","doi":"10.1007/s10561-023-10086-0","DOIUrl":"10.1007/s10561-023-10086-0","url":null,"abstract":"<p><p>Decalcified bone matrix (DBM) is a widely used alternative material for bone transplantation. In the DBM production process, an effective particle size and the highest utilization rate of raw materials can be achieved only through multiple high-speed circulating comminution. The rat posterolateral lumbar fusion model (PLF) is the most mature small animal model for the initial evaluation of the efficacy of graft materials for bone regeneration and spinal fusion. To evaluate the differences in the in vivo osteogenic effects of DBM pulverization through 1, 5, 9, and 14 high-speed cycles, sixty athymic rats were divided into six groups: single cycling crushing (CC1), 5 cycles of crushing (CC5), 9 cycles of crushing (CC9), 13 cycles of crushing (CC13), autogenous bone graft (ABG) and negative control (NC). Posterolateral lumbar fusion was performed. Six weeks after surgery, the bilateral lumbar fusion of athymic rats was evaluated through manual palpation, X-ray, micro-CT and histological sections. Rank data were tested by the rank-sum test, and nonparametric data were tested by the Kruskal‒Wallis H test. The manual palpation and X-ray results showed that the fusion rate did not significantly differ between the CC1, CC5, CC9, CC13 and ABG groups. However, cavities appeared in CC9 and CC13 on the micro-CT image. The bone mass (BV/TV) of CC1, CC5, CC9 and CC13 was better than that of the ABG group, while almost no osteogenesis was observed in the NC group. Histologically, there was no obvious difference between the four groups except that the CC9 group and CC13 group had more fibrous tissues in the new bone. In conclusion, DMB with different cycling crushing times has no obvious difference in fusion rate of PLF, but it is slightly better than the ABG group.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"747-758"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9769509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cell and Tissue BankingPub Date : 2023-12-01Epub Date: 2023-03-10DOI: 10.1007/s10561-023-10083-3
Ziang Zhang, Jie Long, Jian Geng, Wensen Xia
{"title":"Efficacy of autologous platelet-rich plasma for long-term glucocorticoids caused chronic wound: a case report.","authors":"Ziang Zhang, Jie Long, Jian Geng, Wensen Xia","doi":"10.1007/s10561-023-10083-3","DOIUrl":"10.1007/s10561-023-10083-3","url":null,"abstract":"<p><p>The repair of bone explore wounds is one of the difficult problems in plastic and reconstruction surgery. Platelet-rich plasma (PRP) is a safe and efficient therapeutic option for various trauma, including Osteoarticular, musculoskeletal, and Wound injuries. However, the preparation and storage of PRP becomes challenging for patients with poor systemic status and requiring multi-use of PRP. The availability of safe, reliable tissue bank makes it possible. We report a case of a 42-year-old woman patient with a chronic hip wound combined with ischium bone exploration. And the patient who was treated with long-term glucocorticoids for rheumatoid arthritis has been through the experience of extensive conservative management. Thereafter necrosectomy and Vacuum-Assisted Closure (VAC) surgical procedure failed, and a PRP daily injection was performed at the ischial muscle and soft tissue. Neo-muscle appeared around the explored ischium bone after 8 weeks of injection and Complete wound healing was obtained in 3 months.</p>","PeriodicalId":9723,"journal":{"name":"Cell and Tissue Banking","volume":" ","pages":"705-710"},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9137765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}