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Lewallen EA, Trousdale WH, Thaler R, Yao JJ, Xu W, Denbeigh JM, Nair A, Kocher JP, Dudakovic A, Berry DJ, Cohen RC, Abdel MP, Lewallen DG, van Wijnen AJ. Surface Roughness of Titanium Orthopedic Implants Alters the Biological Phenotype of Human Mesenchymal Stromal Cells. Tissue Eng Part A 2021; 27:1503-1516. [PMID: 33975459 PMCID: PMC8742309 DOI: 10.1089/ten.tea.2020.0369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 04/05/2021] [Indexed: 11/12/2022] Open
Abstract
Metal orthopedic implants are largely biocompatible and generally achieve long-term structural fixation. However, some orthopedic implants may loosen over time even in the absence of infection. In vivo fixation failure is multifactorial, but the fundamental biological defect is cellular dysfunction at the host-implant interface. Strategies to reduce the risk of short- and long-term loosening include surface modifications, implant metal alloy type, and adjuvant substances such as polymethylmethacrylate cement. Surface modifications (e.g., increased surface rugosity) can increase osseointegration and biological ingrowth of orthopedic implants. However, the localized responses of cells to implant surface modifications need to be better characterized. As an in vitro model for investigating cellular responses to metallic orthopedic implants, we cultured mesenchymal stromal/stem cells on clinical-grade titanium disks (Ti6Al4V) that differed in surface roughness as high (porous structured), medium (grit blasted), and low (bead blasted). Topological characterization of clinically relevant titanium (Ti) materials combined with differential mRNA expression analyses (RNA-seq and real-time quantitative polymerase chain reaction) revealed alterations to the biological phenotype of cells cultured on titanium structures that favor early extracellular matrix production and observable responses to oxidative stress and heavy metal stress. These results provide a descriptive model for the interpretation of cellular responses at the interface between native host tissues and three-dimensionally printed modular orthopedic implants, and will guide future studies aimed at increasing the long-term retention of such materials after total joint arthroplasty. Impact statement Using an in vitro model of implant-to-cell interactions by culturing mesenchymal stromal cells (MSCs) on clinically relevant titanium materials of varying topological roughness, we identified mRNA expression patterns consistent with early extracellular matrix (ECM) production and responses to oxidative/heavy metal stress. Implants with high surface roughness may delay the differentiation and ECM formation of MSCs and alter the expression of genes sensitive to reactive oxygen species and protein kinases. In combination with ongoing animal studies, these results will guide future studies aimed at increasing the long-term retention of widely used titanium materials after total joint arthroplasty.
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Affiliation(s)
- Eric A. Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
- Department of Biological Sciences, Hampton University, Hampton, Virginia, USA
| | | | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Jie J. Yao
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington, USA
| | - Wei Xu
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Janet M. Denbeigh
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Asha Nair
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA
| | - Jean-Pierre Kocher
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Daniel J. Berry
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Robert C. Cohen
- Digital, Robotics, and Enabling Technologies, Stryker Orthopedics, Mahwah, New Jersey, USA
| | - Matthew P. Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - David G. Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Differences in Cytotoxicity of Lidocaine, Ropivacaine, and Bupivacaine on the Viability and Metabolic Activity of Human Adipose-Derived Mesenchymal Stem Cells. Am J Phys Med Rehabil 2021; 100:82-91. [PMID: 32657816 DOI: 10.1097/phm.0000000000001529] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE We evaluated biological effects of distinct local anesthetics on human adipose-derived mesenchymal stem cells when applied to reduce periprocedural pain during mesenchymal stem cell injections. METHODS AND MATERIALS Metabolic activity (MTS assay), viability (Live/Dead stain), and gene expression (quantitative real-time reverse-transcriptase polymerase chain reaction) were measured in mesenchymal stem cells incubated with various concentrations of lidocaine, ropivacaine, or bupivacaine during a 12-hr time course. RESULTS Cell viability and metabolic activity decreased in a dose, time, and substance-specific manner after exposure to lidocaine, ropivacaine, and bupivacaine, with ropivacaine being the least cytotoxic. Cell viability decreases after brief exposure (<1.5 hrs) at clinically relevant concentrations (eg, 8 mg/ml of lidocaine, 2.5 mg/ml of ropivacaine or bupivacaine). Mesenchymal stem cells exposed to local anesthetics change their expression of mRNA biomarkers for stress response (EGR1, EGR2), proliferation (MKI67, HIST2H4A), ECM (COL1A1, COL3A1), and cell surface marker (CD105). CONCLUSIONS Local anesthetics are cytotoxic to clinical-grade human mesenchymal stem cells in a dose-, time-, and agent-dependent manner and change expression of ECM, proliferation, and cell surface markers. Lidocaine and bupivacaine are more cytotoxic than ropivacaine. Single-dose injections of local anesthetics may affect the biological properties of mesenchymal stem cells in vitro but may not affect the effective dose of MSCs in a clinical setting.
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Tissue Integration and Biological Cellular Response of SLM-Manufactured Titanium Scaffolds. METALS 2020. [DOI: 10.3390/met10091192] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background: SLM (Selective Laser Melting)–manufactured Titanium (Ti) scaffolds have a significant value for bone reconstructions in the oral and maxillofacial surgery field. While their mechanical properties and biocompatibility have been analysed, there is still no adequate information regarding tissue integration. Therefore, the aim of this study is a comprehensive systematic assessment of the essential parameters (porosity, pore dimension, surface treatment, shape) required to provide the long-term performance of Ti SLM medical implants. Materials and methods: A systematic literature search was conducted via electronic databases PubMed, Medline and Cochrane, using a selection of relevant search MeSH terms. The literature review was conducted using the preferred reporting items for systematic reviews and meta-analysis (PRISMA). Results: Within the total of 11 in vitro design studies, 9 in vivo studies, and 4 that had both in vitro and in vivo designs, the results indicated that SLM-generated Ti scaffolds presented no cytotoxicity, their tissue integration being assured by pore dimensions of 400 to 600 µm, high porosity (75–88%), hydroxyapatite or SiO2–TiO2 coating, and bioactive treatment. The shape of the scaffold did not seem to have significant importance. Conclusions: The SLM technique used to fabricate the implants offers exceptional control over the structure of the base. It is anticipated that with this technique, and a better understanding of the physical interaction between the scaffold and bone tissue, porous bases can be tailored to optimize the graft’s integrative and mechanical properties in order to obtain structures able to sustain osseous tissue on Ti.
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Jing Z, Zhang T, Xiu P, Cai H, Wei Q, Fan D, Lin X, Song C, Liu Z. Functionalization of 3D-printed titanium alloy orthopedic implants: a literature review. ACTA ACUST UNITED AC 2020; 15:052003. [PMID: 32369792 DOI: 10.1088/1748-605x/ab9078] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Titanium alloy orthopedic implants produced by 3D printing combine the dual advantages of having a complex structure that cannot be manufactured by traditional techniques and the excellent physical and chemical properties of titanium and its alloys; they have been widely used in the field of orthopedics in recent years. The inherent porous structure of 3D-printed implants and the original modification processes for titanium alloys provide conditions for the functionalization of implants. To meet the needs of orthopedic surgeons and patients, functionalized implants with long-term stability and anti-infection or anti-tumor properties have been developed. The various methods of functionalization deserve to be summarized, compared and analyzed. Therefore, in this review, we will collect and discuss existing knowledge on the functionalization of 3D-printed titanium alloy orthopedic implants.
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Affiliation(s)
- Zehao Jing
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
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5
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Yao JJ, Lewallen EA, Thaler R, Dudakovic A, Wermers M, Day P, Eckdahl S, Jannetto P, Bornhorst JA, Larson AN, Abdel MP, Lewallen DG, van Wijnen AJ. Challenges in the Measurement and Interpretation of Serum Titanium Concentrations. Biol Trace Elem Res 2020; 196:20-26. [PMID: 31696354 DOI: 10.1007/s12011-019-01891-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 09/03/2019] [Indexed: 11/25/2022]
Abstract
The measurement of circulating metal ion levels in total hip arthroplasty patients continues to be an area of clinical interest. National regulatory agencies have recommended measurement of circulating cobalt and chromium concentrations in metal-on-metal bearing symptomatic total hip arthroplasty patients. However, the clinical utility of serum titanium (Ti) measurements is less understood due to wide variations in reported values and methodology. Fine-scale instrumentation for detecting in situ Ti levels continues to improve and has transitioned from graphite furnace atomic absorption spectroscopy to inductively coupled plasma optical emission spectrometry or inductively coupled plasma mass spectrometry. Additionally, analytical interferences, variable sample types, and non-standardized sample collection methods complicate Ti measurement and underlie the wide variation in reported levels. Normal reference ranges and pathologic ranges for Ti levels remain to be established quantitatively. However, before these ranges can be recognized and implemented, methodological standardization is necessary. This paper aims to provide background and recommendations regarding the complexities of measurement and interpretation of circulating Ti levels in total hip arthroplasty patients.
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Affiliation(s)
- Jie J Yao
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
- Department of Orthopaedic Surgery and Sports Medicine, University of Washington, Seattle, WA, USA
| | - Eric A Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
- Department of Biological Sciences, Hampton University, Hampton, VA, USA
| | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Michelle Wermers
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Patrick Day
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Steve Eckdahl
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Paul Jannetto
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Joshua A Bornhorst
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - A Noelle Larson
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
| | - David G Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA
| | - Andre J van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st Street, SW, Rochester, MN, 55905, USA.
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
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Huang Z, He Y, Chang X, Liu J, Yu L, Wu Y, Li Y, Tian J, Kang L, Wu D, Wang H, Wu Z, Qiu G. A Magnetic Iron Oxide/Polydopamine Coating Can Improve Osteogenesis of 3D-Printed Porous Titanium Scaffolds with a Static Magnetic Field by Upregulating the TGFβ-Smads Pathway. Adv Healthc Mater 2020; 9:e2000318. [PMID: 32548975 DOI: 10.1002/adhm.202000318] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/21/2020] [Indexed: 12/14/2022]
Abstract
3D-printed porous titanium-aluminum-vanadium (Ti6Al4V, pTi) scaffolds offer surgeons a good option for the reconstruction of large bone defects, especially at the load-bearing sites. However, poor osteogenesis limits its application in clinic. In this study, a new magnetic coating is successfully fabricated by codepositing of Fe3 O4 nanoparticles and polydopamine (PDA) on the surface of 3D-printed pTi scaffolds, which enhances cell attachment, proliferation, and osteogenic differentiation of hBMSCs in vitro and new bone formation of rabbit femoral bone defects in vivo with/without a static magnetic field (SMF). Furthermore, through proteomic analysis, the enhanced osteogenic effect of the magnetic Fe3 O4 /PDA coating with the SMF is found to be related to upregulate the TGFβ-Smads signaling pathway. Therefore, this work provides a simple protocol to improve the osteogenesis of 3D-printed porous pTi scaffolds, which will help their application in clinic.
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Affiliation(s)
- Zhenfei Huang
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
- Department of Orthopaedic SurgeryFirst Affiliated Hospital of Nanjing Medical University No.300 Guangzhou Road Nanjing 210029 P. R. China
| | - Yu He
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
- Department of Plastic SurgeryPlastic Surgery HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.33 Badachu Road Beijing 100144 P. R. China
| | - Xiao Chang
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Jieying Liu
- Medical Science Research Center (MRC)Peking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Lingjia Yu
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
- Department of Orthopaedic SurgeryBeijing Friendship HospitalCapital Medical University No.95 Yong'an Road Beijing 100050 P. R. China
| | - Yuanhao Wu
- Medical Science Research Center (MRC)Peking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Yaqian Li
- Medical Science Research Center (MRC)Peking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Jingjing Tian
- Medical Science Research Center (MRC)Peking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Lin Kang
- Medical Science Research Center (MRC)Peking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Di Wu
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Hai Wang
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Zhihong Wu
- Medical Science Research Center (MRC)Peking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
- Beijing Key Laboratory for Genetic Research of Bone and Joint Disease No.1 Shuaifuyuan Beijing 100730 P. R. China
| | - Guixing Qiu
- Department of Orthopaedic SurgeryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences No.1 Shuaifuyuan Beijing 100730 P. R. China
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7
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Yu L, Yang Y, Zhang B, Bai X, Fei Q, Zhang L. Rapid human-derived iPSC osteogenesis combined with three-dimensionally printed Ti6Al4V scaffolds for the repair of bone defects. J Cell Physiol 2020; 235:9763-9772. [PMID: 32424865 DOI: 10.1002/jcp.29788] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/30/2020] [Accepted: 05/04/2020] [Indexed: 12/15/2022]
Abstract
Human-induced pluripotent stem cells (iPSCs) are an alternative source of mesenchymal stem cells used for bone regeneration. However, the current osteogenically induced methods for iPSCs are slow and complex. We have used retinoic acid (RA) to induce osteogenic iPSCs within 10 days and assess whether a rapid differentiation could improve the osteogenic potential of the three-dimensionally printed Ti6Al4V (3DTi) scaffolds. First, the osteogenic differentiation of iPSCs was induced with RA, and the osteogenic potential of iPSCs was evaluated using standard assays. In addition, a 5-mm mandibular bone defect was generated in rats and was repaired with 3DTi scaffolds that were seeded with iPSC-induced osteoblasts. The capacity of seeded scaffolds for the enhancement of bone regeneration in vivo was assessed. Finally, we tested the potential mechanisms of RA-dependent iPSC bone induction and its effect on the Wnt/β-catenin pathway. The results showed that iPSCs could form osteocytes within 10 days. Animal experiments confirmed that rapid osteo-induced iPSCs could enhance the bone regeneration and osteointegration capacity of the 3DTi scaffolds. Mechanistically, RA could activate the AKT/GSK3β/β-catenin pathway during the process of iPSCs osteogenesis. The rapid osteoinduction of iPSCs combined with 3DTi scaffolds is a safe, effective, and reproducible method for repairing mandibular bone defects.
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Affiliation(s)
- Lingjia Yu
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yong Yang
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Bin Zhang
- Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, China
| | - Xiaofeng Bai
- Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, China
| | - Qi Fei
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Lei Zhang
- Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, China
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8
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Kunze KN, Burnett RA, Wright-Chisem J, Frank RM, Chahla J. Adipose-Derived Mesenchymal Stem Cell Treatments and Available Formulations. Curr Rev Musculoskelet Med 2020; 13:264-280. [PMID: 32328959 DOI: 10.1007/s12178-020-09624-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW The use of human adipose-derived mesenchymal stem cells (ADSCs) has gained attention due to its potential to expedite healing and the ease of harvesting; however, clinical evidence is limited, and questions concerning optimal method of delivery and long-term outcomes remain unanswered. RECENT FINDINGS Administration of ADSCs in animal models has been reported to aid in improved healing benefits with enhanced repair biomechanics, superior gross histological appearance of injury sites, and higher concentrations of growth factors associated with healing compared to controls. Recently, an increasing body of research has sought to examine the effects of ADSCs in humans. Several available processing techniques and formulations for ADSCs exist with evidence to suggest benefits with the use of ADSCs, but the superiority of any one method is not clear. Evidence from the most recent clinical studies available demonstrates promising outcomes following treatment of select musculoskeletal pathologies with ADSCs despite reporting variability among ADSCs harvesting and processing; these include (1) healing benefits and pain improvement for rotator cuff and Achilles tendinopathies, (2) improvements in pain and function in those with knee and hip osteoarthritis, and (3) improved cartilage regeneration for osteochondral focal defects of the knee and talus. The limitation to most of this literature is the use of other therapeutic biologics in combination with ADSCs. Additionally, many studies lack control groups, making establishment of causation inappropriate. It is imperative to perform higher-quality studies using consistent, predictable control populations and to standardize formulations of ADSCs in these trials.
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Affiliation(s)
- Kyle N Kunze
- Department of Orthopaedic Surgery, Division of Sports Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Robert A Burnett
- Department of Orthopaedic Surgery, Division of Sports Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Joshua Wright-Chisem
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Rachel M Frank
- Department of Orthopaedic Surgery, Division of Sports Medicine, University of Colorado School of Medicine, Boulder, CO, USA
| | - Jorge Chahla
- Department of Orthopaedic Surgery, Division of Sports Medicine, Rush University Medical Center, Chicago, IL, USA.
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9
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Ehlert M, Radtke A, Jędrzejewski T, Roszek K, Bartmański M, Piszczek P. In Vitro Studies on Nanoporous, Nanotubular and Nanosponge-Like Titania Coatings, with the Use of Adipose-Derived Stem Cells. MATERIALS 2020; 13:ma13071574. [PMID: 32235354 PMCID: PMC7177883 DOI: 10.3390/ma13071574] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/18/2020] [Accepted: 03/26/2020] [Indexed: 12/21/2022]
Abstract
In vitro biological research on a group of amorphous titania coatings of different nanoarchitectures (nanoporous, nanotubular, and nanosponge-like) produced on the surface of Ti6Al4V alloy samples have been carried out, aimed at assessing their ability to interact with adipose-derived mesenchymal stem cells (ADSCs) and affect their activity. The attention has been drawn to the influence of surface coating architecture and its physicochemical properties on the ADSCs proliferation. Moreover, in vitro co-cultures: (1) fibroblasts cell line L929/ADSCs and (2) osteoblasts cell line MG-63/ADSCs on nanoporous, nanotubular and nanosponge-like TiO2 coatings have been studied. This allowed for evaluating the impact of the surface properties, especially roughness and wettability, on the creation of the beneficial microenvironment for co-cultures and/or enhancing differentiation potential of stem cells. Obtained results showed that the nanoporous surface is favorable for ADSCs, has great biointegrative properties, and supports the growth of co-cultures with MG-63 osteoblasts and L929 fibroblasts. Additionally, the number of osteoblasts seeded and cultured with ADSCs on TNT5 surface raised after 72-h culture almost twice when compared with the unmodified scaffold and by 30% when compared with MG-63 cells growing alone. The alkaline phosphatase activity of MG-63 osteoblasts co-cultured with ADSCs increased, that indirectly confirmed our assumptions that TNT-modified scaffolds create the osteogenic niche and enhance osteogenic potential of ADSCs.
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Affiliation(s)
- Michalina Ehlert
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
- Nano-implant Ltd. Gagarina 5/102, 87-100 Toruń, Poland
| | - Aleksandra Radtke
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
- Nano-implant Ltd. Gagarina 5/102, 87-100 Toruń, Poland
- Correspondence: (A.R.); (P.P.); Tel.: +48-600321294 (A.R.); Tel.: +48-607883357 (P.P.)
| | - Tomasz Jędrzejewski
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (K.R.); (T.J.)
| | - Katarzyna Roszek
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (K.R.); (T.J.)
| | - Michał Bartmański
- Faculty of Mechanical Engineering, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland;
| | - Piotr Piszczek
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
- Nano-implant Ltd. Gagarina 5/102, 87-100 Toruń, Poland
- Correspondence: (A.R.); (P.P.); Tel.: +48-600321294 (A.R.); Tel.: +48-607883357 (P.P.)
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10
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Functional expression of ZNF467 and PCBP2 supports adipogenic lineage commitment in adipose-derived mesenchymal stem cells. Gene 2020; 737:144437. [PMID: 32032745 DOI: 10.1016/j.gene.2020.144437] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 02/03/2020] [Indexed: 01/13/2023]
Abstract
Bone marrow-derived mesenchymal stromal/stem cells (BMSCs) have the potential to be employed in many different skeletal therapies. A major limitation to utilizing BMSCs as a therapeutic strategy in human disease and tissue regeneration is the low cell numbers obtained from initial isolation necessitating multiple cell passages that can lead to decreased cell quality. Adipose-derived mesenchymal stromal/stem cells (AMSCs) have been proposed as an alternative cell source for regenerative therapies; however the differentiation capacity of these cells differs from BMSCs. To understand the differences between BMSCs and AMSCs, we compared the global gene expression profiles of BMSCs and AMSCs and identified two genes, PCBP2 and ZNF467 that were differentially expressed between AMSCs and BMSCs. We demonstrate that PCBP2 and ZNF467 impact adipogenic but not osteogenic differentiation, further supporting evidence that AMSCs and BMSCs appear to be adapted to their microenvironment.
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11
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Ehlert M, Roszek K, Jędrzejewski T, Bartmański M, Radtke A. Titania Nanofiber Scaffolds with Enhanced Biointegration Activity-Preliminary In Vitro Studies. Int J Mol Sci 2019; 20:E5642. [PMID: 31718064 PMCID: PMC6888681 DOI: 10.3390/ijms20225642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/07/2019] [Accepted: 11/09/2019] [Indexed: 12/11/2022] Open
Abstract
The increasing need for novel bone replacement materials has been driving numerous studies on modifying their surface to stimulate osteogenic cells expansion and to accelerate bone tissue regeneration. The goal of the presented study was to optimize the production of titania-based bioactive materials with high porosity and defined nanostructure, which supports the cell viability and growth. We have chosen to our experiments TiO2 nanofibers, produced by chemical oxidation of Ti6Al4V alloy. Fibrous nanocoatings were characterized structurally (X-ray diffraction (XRD)) and morphologically (scanning electron microscopy (SEM)). The wettability of the coatings and their mechanical properties were also evaluated. We have investigated the direct influence of the modified titanium alloy surfaces on the survival and proliferation of mesenchymal stem cells derived from adipose tissue (ADSCs). In parallel, proliferation of bone tissue cells-human osteoblasts MG-63 and connective tissue cells - mouse fibroblasts L929, as well as cell viability in co-cultures (osteoblasts/ADSCs and fibroblasts/ADSCs has been studied. The results of our experiments proved that among all tested nanofibrous coatings, the amorphous titania-based ones were the most optimal scaffolds for the integration and proliferation of ADSCs, fibroblasts, and osteoblasts. Thus, we postulated these scaffolds to have the osteopromotional potential. However, from the co-culture experiments it can be concluded that ADSCs have the ability to functionalize the initially unfavorable surface, and make it suitable for more specialized and demanding cells.
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Affiliation(s)
- Michalina Ehlert
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
- Nano-Implant Ltd., Gagarina 5/102, 87-100 Toruń, Poland
| | - Katarzyna Roszek
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (K.R.); (T.J.)
| | - Tomasz Jędrzejewski
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (K.R.); (T.J.)
| | - Michał Bartmański
- Faculty of Mechanical Engineering, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland;
| | - Aleksandra Radtke
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
- Nano-Implant Ltd., Gagarina 5/102, 87-100 Toruń, Poland
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12
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Kubrova E, Qu W, Galvan ML, Paradise CR, Yang J, Dietz AB, Dudakovic A, Smith J, van Wijnen AJ. Hypothermia and nutrient deprivation alter viability of human adipose-derived mesenchymal stem cells. Gene 2019; 722:144058. [PMID: 31494240 DOI: 10.1016/j.gene.2019.144058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 08/17/2019] [Indexed: 12/11/2022]
Abstract
PURPOSE Adipose-derived mesenchymal stem cells (MSCs) are attractive biological agents in regenerative medicine. To optimize cell therapies, it is necessary to determine the most effective delivery method for MSCs. Therefore, we evaluated the biological properties of MSCs after exposure to various temperatures to define optimal storage conditions prior to therapeutic delivery of MSCs. DESIGN Prospective observational study. METHODS AND MATERIALS Adherent and non-adherent MSCs were incubated at multiple temperatures (i.e., 4, 23 and 37 °C) in Lactated Ringers (LR) solution lacking essential cell growth ingredients, or in culture media which is optimized for cell growth. Cells were assessed either after the temperature changes (4 h) or after recovery (24 h). Metabolic activity of MSCs, cell number and expression of representative mRNA biomarkers were evaluated to assess the biological effects of temperature. We monitored changes in mRNAs expression related to cytoprotective- or stress-related responses (e.g., FOS, JUN, ATF1, ATF4, EGR1, EGR2, MYC), proliferation (e.g., HIST2H4, CCNB2), and extracellular matrix production (ECM; e.g., COL3A1, COL1A1) by quantitative real time reverse-transcriptase polymerase chain reaction (RT-qPCR) analysis. RESULTS Our study demonstrates that storing MSCs in Lactated Ringers (LR) solution for 4 h decreases cell number and metabolic activity. The number of viable MSCs decreased significantly when cultured at physiological temperature (37 °C) and severe hypothermia (4 °C), while cells grown at ambient temperature (23 °C) exhibited the least detrimental effects. There were no appreciable biological differences in mRNA markers for proliferation or ECM deposition at any of the temperatures. However, biomarkers related to cytoprotective- or stress-responses were selectively elevated depending on temperature or media type (i.e., LR versus standard media). CONCLUSION The biological impact of nutrient-free media and temperature changes after 4 h exposure persists after a 24 h recovery period. Hence, storage temperature and media conditions should be optimized to improve effective dosing of MSCs.
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Affiliation(s)
- Eva Kubrova
- Department of Physical Medicine &Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America; Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America; Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Wenchun Qu
- Department of Physical Medicine &Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America.
| | - M Lizeth Galvan
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America; Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Christopher R Paradise
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America; Center for Regenerative Medicine, Mayo Clinic, Rochester, MN, United States of America; Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, United States of America
| | - Juan Yang
- Department of Physical Medicine &Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Allan B Dietz
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States of America
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America; Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Jay Smith
- Department of Physical Medicine &Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Andre J van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America; Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States of America.
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13
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Argon plasma modification promotes adipose derived stem cells osteogenic and chondrogenic differentiation on nanocomposite polyurethane scaffolds; implications for skeletal tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110085. [PMID: 31546386 PMCID: PMC6892254 DOI: 10.1016/j.msec.2019.110085] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 08/12/2019] [Accepted: 08/14/2019] [Indexed: 11/22/2022]
Abstract
Bone and cartilage craniofacial defects due to trauma or congenital deformities pose a difficult problem for reconstructive surgeons. Human adipose stem cells (ADSCs) can differentiate into bone and cartilage and together with suitable scaffolds could provide a promising system for skeletal tissue engineering. It has been suggested that nanomaterials can direct cell behavior depending on their surface nanotopographies. Thus, this study examined whether by altering a nanoscaffold surface using radiofrequency to excite gases, argon (Ar), nitrogen (N2) and oxygen (O2) with a single step technique, we could enhance the osteogenic and chondrogenic potential of ADSCs. At 24 h, Ar modification promoted the highest increase in ADSCs adhesion as indicated by upregulation of vinculin and focal adhesion kinase (FAK) expression compared to O2 and N2 scaffolds. Furthermore, ADSCs on Ar-modified nanocomposite polymer POSS-PCU scaffolds upregulated expression of bone markers, alkaline phosphatase, collagen I and osteocalcin after 3 weeks. Cartilage markers, aggrecan and collagen II, were also upregulated on Ar-modified scaffolds at the mRNA and protein level. Finally, all plasma treated scaffolds supported tissue ingrowth and angiogenesis after grafting onto the chick chorioallantoic membrane. Ar promoted greater expression of vascular endothelial growth factor and laminin in ovo compared to O2 and N2 scaffolds as shown by immunohistochemistry. This study provides an important understanding into which surface chemistries best support the osteogenic and chondrogenic differentiation of ADSCs that could be harnessed for regenerative skeletal applications. Argon surface modification is a simple tool that can promote ADSC skeletal differentiation that is easily amenable to translation into clinical practice. Bone and cartilage craniofacial defects due to trauma or congenital deformities pose a challenging problem for reconstructive surgeons. Nanomaterials can direct adipose derived stem cell (ADSC) differentiation depending on their surface nanotopographies. This study demonstrates that Argon surface modification improve the chondrogenesis and osteogenesis of ADSCs. Argon surface modification is a tool that can upregulate ADSC skeletal differentiation and is amenable to translation into clinical practice.
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14
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Nie H, Kubrova E, Wu T, Denbeigh JM, Hunt C, Dietz AB, Smith J, Qu W, van Wijnen AJ. Effect of Lidocaine on Viability and Gene Expression of Human Adipose-derived Mesenchymal Stem Cells: An in vitro Study. PM R 2019; 11:1218-1227. [PMID: 30784215 DOI: 10.1002/pmrj.12141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 01/28/2019] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To assess the biologic effects of lidocaine on the viability, proliferation, and function of human adipose tissue-derived mesenchymal stromal/stem cells (MSCs) in vitro. METHODS Adipose-derived MSCs from three donors were exposed to lidocaine at various dilutions (2 mg/mL to 8 mg/mL) and exposure times (0.5 to 4 hours). Cell number and viability, mitochondrial activity, and real-time reverse-transcriptase quantitative polymerase chain reaction (RT-qPCR) were analyzed at 0 (immediate effects) or 24 and 48 hours (recovery effects) after treatment with lidocaine. RESULTS Trypan blue staining showed that increasing concentrations of lidocaine decreased the number of observable viable cells. 3-[4,5,dimethylthiazol-2-yl]-5-[3-carboxymethoxy-phenyl]-2-[4-sulfophenyl]-2H-tetrazolium (MTS) assays revealed a concentration- and time- dependent decline of mitochondrial activity and proliferative ability. Gene expression analysis by RT-qPCR revealed that adipose-derived MSCs exposed to lidocaine express robust levels of stress response/cytoprotective genes. However, higher concentrations of lidocaine caused a significant downregulation of these genes. No significant differences were observed in expression of extracellular matrix (ECM) markers COL1A1 and DCN except for COL3A1 (P < .05). Levels of messenger RNA (mRNA) for proliferation markers (CCNB2, HIST2H4A, P < .001) and MKI67 (P < .001) increased at 24 and 48 hours. Expression levels of several transcription factors- including SP1, PRRX1, and ATF1-were modulated in the same manner. MSC surface markers CD44 and CD105 demonstrated decreased expression immediately after treatment, but at 24 and 48 hours postexposure, the MSC markers showed no significant difference among groups. CONCLUSION Lidocaine is toxic to MSCs in a dose- and time- dependent manner. MSC exposure to high (4-8 mg/mL) concentrations of lidocaine for prolonged periods can affect their biologic functions. Although the exposure time in vivo is short, it is essential to choose safe concentrations when applying lidocaine along with MSCs to avoid compromising the viability and potency of the stem cell therapy.
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Affiliation(s)
- Hai Nie
- Department of Orthopedic Surgery Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN.,Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Eva Kubrova
- Department of Orthopedic Surgery Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN.,Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Tao Wu
- Department of Physical Medicine & Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Janet M Denbeigh
- Department of Orthopedic Surgery Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Christine Hunt
- Department of Physical Medicine & Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Allan B Dietz
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Jay Smith
- Department of Physical Medicine & Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Wenchun Qu
- Department of Physical Medicine & Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
| | - Andre J van Wijnen
- Department of Orthopedic Surgery Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN.,Department of Biochemistry & Molecular Biology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
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15
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He Y, Yu L, Liu J, Li Y, Wu Y, Huang Z, Wu D, Wang H, Wu Z, Qiu G. Enhanced osteogenic differentiation of human bone–derived mesenchymal stem cells in 3‐dimensional printed porous titanium scaffolds by static magnetic field through up‐regulating Smad4. FASEB J 2019; 33:6069-6081. [DOI: 10.1096/fj.201802195r] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yu He
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Lingjia Yu
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Jieying Liu
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Yaqian Li
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Yuanhao Wu
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Zhenfei Huang
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Di Wu
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Hai Wang
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Zhihong Wu
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
- Beijing Key Laboratory for Genetic Research of Bone and Joint Disease Beijing China
| | - Guixing Qiu
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
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16
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Teicher BA. CD248: A therapeutic target in cancer and fibrotic diseases. Oncotarget 2019; 10:993-1009. [PMID: 30847027 PMCID: PMC6398180 DOI: 10.18632/oncotarget.26590] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 12/22/2018] [Indexed: 01/07/2023] Open
Abstract
CD248/endosialin/TEM1 is a type 1 transmembrane glycoprotein found on the plasma membrane of activated mesenchymal cells. CD248 functions during embryo development and is either not expressed or found at very low levels in adult tissues. CD248 is expressed at high levels by malignant sarcoma cells, by the pericyte component of tumor vasculature and by mesenchymal cells in some fibrotic diseases. CD248 is being targeted by several experimental therapeutics including antibodies, antibody drug conjugates, as an antigen for CART cells and in therapeutic vaccines. Although the function of CD248 has yet to be fully elucidated, this protein is a potential broad scope therapeutic target.
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Affiliation(s)
- Beverly A Teicher
- Molecular Pharmacology Branch, Developmental Therapeutics Program, DCTD, National Cancer Institute, Bethesda 20892, MD, USA
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17
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Araya HF, Sepulveda H, Lizama CO, Vega OA, Jerez S, Briceño PF, Thaler R, Riester SM, Antonelli M, Salazar-Onfray F, Rodríguez JP, Moreno RD, Montecino M, Charbonneau M, Dubois CM, Stein GS, van Wijnen AJ, Galindo MA. Expression of the ectodomain-releasing protease ADAM17 is directly regulated by the osteosarcoma and bone-related transcription factor RUNX2. J Cell Biochem 2018; 119:8204-8219. [PMID: 29923217 DOI: 10.1002/jcb.26832] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 03/06/2018] [Indexed: 01/04/2023]
Abstract
Osteoblast differentiation is controlled by transcription factor RUNX2 which temporally activates or represses several bone-related genes, including those encoding extracellular matrix proteins or factors that control cell-cell, and cell-matrix interactions. Cell-cell communication in the many skeletal pericellular micro-niches is critical for bone development and involves paracrine secretion of growth factors and morphogens. This paracrine signaling is in part regulated by "A Disintegrin And Metalloproteinase" (ADAM) proteins. These cell membrane-associated metalloproteinases support proteolytic release ("shedding") of protein ectodomains residing at the cell surface. We analyzed microarray and RNA-sequencing data for Adam genes and show that Adam17, Adam10, and Adam9 are stimulated during BMP2 mediated induction of osteogenic differentiation and are robustly expressed in human osteoblastic cells. ADAM17, which was initially identified as a tumor necrosis factor alpha (TNFα) converting enzyme also called (TACE), regulates TNFα-signaling pathway, which inhibits osteoblast differentiation. We demonstrate that Adam17 expression is suppressed by RUNX2 during osteoblast differentiation through the proximal Adam17 promoter region (-0.4 kb) containing two functional RUNX2 binding motifs. Adam17 downregulation during osteoblast differentiation is paralleled by increased RUNX2 expression, cytoplasmic-nuclear translocation and enhanced binding to the Adam17 proximal promoter. Forced expression of Adam17 reduces Runx2 and Alpl expression, indicating that Adam17 may negatively modulate osteoblast differentiation. These findings suggest a novel regulatory mechanism involving a reciprocal Runx2-Adam17 negative feedback loop to regulate progression through osteoblast differentiation. Our results suggest that RUNX2 may control paracrine signaling through regulation of ectodomain shedding at the cell surface of osteoblasts by directly suppressing Adam17 expression.
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Affiliation(s)
- Héctor F Araya
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Hugo Sepulveda
- Center for Biomedical Research, Faculty of Biological Sciences and Faculty of Medicine, FONDAP Center for Genome Regulation, Universidad Andres Bello, Santiago, Chile
| | - Carlos O Lizama
- Departamento de Fisiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Oscar A Vega
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Sofia Jerez
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Pedro F Briceño
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.,Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota
| | - Scott M Riester
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.,Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota
| | - Marcelo Antonelli
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Flavio Salazar-Onfray
- Millennium Institute on Immunology and Immunotherapy, Faculty of Medicine, University of Chile, Santiago, Chile.,Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Juan Pablo Rodríguez
- Instituto de Nutrición y Tecnología de los Alimentos (INTA), University of Chile, Santiago, Chile
| | - Ricardo D Moreno
- Departamento de Fisiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Martin Montecino
- Center for Biomedical Research, Faculty of Biological Sciences and Faculty of Medicine, FONDAP Center for Genome Regulation, Universidad Andres Bello, Santiago, Chile
| | - Martine Charbonneau
- Immunology Division, Department of Pediatrics, Faculty of Medicine and Health Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
| | - Claire M Dubois
- Immunology Division, Department of Pediatrics, Faculty of Medicine and Health Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
| | - Gary S Stein
- Department of Biochemistry and University of Vermont Cancer Center, The Robert Larner MD College of Medicine, University of Vermont, Burlington, Vermont
| | - Andre J van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.,Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota
| | - Mario A Galindo
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Faculty of Medicine, University of Chile, Santiago, Chile
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18
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Song Y, Lin K, He S, Wang C, Zhang S, Li D, Wang J, Cao T, Bi L, Pei G. Nano-biphasic calcium phosphate/polyvinyl alcohol composites with enhanced bioactivity for bone repair via low-temperature three-dimensional printing and loading with platelet-rich fibrin. Int J Nanomedicine 2018; 13:505-523. [PMID: 29416332 PMCID: PMC5790108 DOI: 10.2147/ijn.s152105] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background and aim As a newly emerging three-dimensional (3D) printing technology, low-temperature robocasting can be used to fabricate geometrically complex ceramic scaffolds at low temperatures. Here, we aimed to fabricate 3D printed ceramic scaffolds composed of nano-biphasic calcium phosphate (BCP), polyvinyl alcohol (PVA), and platelet-rich fibrin (PRF) at a low temperature without the addition of toxic chemicals. Methods Corresponding nonprinted scaffolds were prepared using a freeze-drying method. Compared with the nonprinted scaffolds, the printed scaffolds had specific shapes and well-connected internal structures. Results The incorporation of PRF enabled both the sustained release of bioactive factors from the scaffolds and improved biocompatibility and biological activity toward bone marrow-derived mesenchymal stem cells (BMSCs) in vitro. Additionally, the printed BCP/PVA/PRF scaffolds promoted significantly better BMSC adhesion, proliferation, and osteogenic differentiation in vitro than the printed BCP/PVA scaffolds. In vivo, the printed BCP/PVA/PRF scaffolds induced a greater extent of appropriate bone formation than the printed BCP/PVA scaffolds and nonprinted scaffolds in a critical-size segmental bone defect model in rabbits. Conclusion These experiments indicate that low-temperature robocasting could potentially be used to fabricate 3D printed BCP/PVA/PRF scaffolds with desired shapes and internal structures and incorporated bioactive factors to enhance the repair of segmental bone defects.
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Affiliation(s)
- Yue Song
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Kaifeng Lin
- Second Department of Orthopedics and Traumatology, Fuzhou General Hospital of Nanjing Military Area Command of Chinese PLA, Fuzhou, China
| | - Shu He
- Department of Orthopedics, Xi'an Hong Hui Hospital, Xi'an, China
| | - Chunmei Wang
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Shuaishuai Zhang
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Donglin Li
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Jimeng Wang
- Department of Orthopedics, The 251st Hospital of Chinese PLA, Zhangjiakou, China
| | - Tianqing Cao
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Long Bi
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Guoxian Pei
- Department of Orthopedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
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19
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Samsonraj RM, Dudakovic A, Manzar B, Sen B, Dietz AB, Cool SM, Rubin J, van Wijnen AJ. Osteogenic Stimulation of Human Adipose-Derived Mesenchymal Stem Cells Using a Fungal Metabolite That Suppresses the Polycomb Group Protein EZH2. Stem Cells Transl Med 2017; 7:197-209. [PMID: 29280310 PMCID: PMC5788881 DOI: 10.1002/sctm.17-0086] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 10/25/2017] [Indexed: 12/19/2022] Open
Abstract
Strategies for musculoskeletal tissue regeneration apply adult mesenchymal stem/stromal cells (MSCs) that can be sourced from bone marrow- and lipo-aspirates. Adipose tissue-derived MSCs are more easily harvested in the large quantities required for skeletal tissue-engineering approaches, but are generally considered to be less osteogenic than bone marrow MSCs. Therefore, we tested a new molecular strategy to improve their osteogenic lineage-differentiation potential using the fungal metabolite cytochalasin D (CytoD). We show that CytoD, which may function by redistributing the intracellular location of β-actin (ACTB), is a potent osteogenic stimulant as reflected by significant increases in alkaline phosphatase activity, extracellular matrix mineralization, and osteoblast-related gene expression (e.g., RUNX2, ALPL, SPARC, and TGFB3). RNA sequencing analyses of MSCs revealed that acute CytoD treatment (24 hours) stimulates a broad program of osteogenic biomarkers and epigenetic regulators. CytoD decreases mRNA and protein levels of the Polycomb chromatin regulator Enhancer of Zeste Homolog 2 (EZH2), which controls heterochromatin formation by mediating trimethylation of histone 3 lysine 27 (H3K27me3). Reduced EZH2 expression decreases cellular H3K27me3 marks indicating a global reduction in heterochromatin. We conclude that CytoD is an effective osteogenic stimulant that mechanistically functions by blocking both cytoplasmic actin polymerization and gene-suppressive epigenetic mechanisms required for the acquisition of the osteogenic phenotype in adipose tissue-derived MSCs. This finding supports the use of CytoD in advancing the osteogenic potential of MSCs in skeletal regenerative strategies. Stem Cells Translational Medicine 2018;7:197-209.
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Affiliation(s)
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Bushra Manzar
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Buer Sen
- Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Allan B Dietz
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Simon M Cool
- Glycotherapeutics Group, Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Janet Rubin
- Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Andre J van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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20
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Zhao H, Yang F, Fu J, Gao Q, Liu A, Sun M, He Y. Printing@Clinic: From Medical Models to Organ Implants. ACS Biomater Sci Eng 2017; 3:3083-3097. [PMID: 33445353 DOI: 10.1021/acsbiomaterials.7b00542] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | | | | | | | - An Liu
- Department
of Vascular Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Miao Sun
- Department
of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital,
School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Yong He
- State
Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, 710054, Xi’an China
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21
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Larsson L, Pilipchuk SP, Giannobile WV, Castilho RM. When epigenetics meets bioengineering-A material characteristics and surface topography perspective. J Biomed Mater Res B Appl Biomater 2017; 106:2065-2071. [PMID: 28741893 DOI: 10.1002/jbm.b.33953] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 06/05/2017] [Accepted: 06/15/2017] [Indexed: 12/15/2022]
Abstract
The field of tissue engineering and regenerative medicine (TE/RM) involves regeneration of tissues and organs using implantable biomaterials. The term epigenetics refers to changes in gene expression that are not encoded in the DNA sequence, leading to remodeling of the chromatin and activation or inactivation of gene expression. Recently, studies have demonstrated that these modifications are influenced not only by biological cues but also by mechanical and topographical signals. This review highlights the current knowledge on emerging approaches in TE/RM with a focus on the effect of materials and topography on the epigenetic expression pattern in cells with potential impacts on modulating regenerative biology. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2065-2071, 2018.
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Affiliation(s)
- Lena Larsson
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan.,Department of Periodontology, Institute of Odontology, University of Gothenburg, Sweden
| | - Sophia P Pilipchuk
- Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan
| | - William V Giannobile
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan.,Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan
| | - Rogerio M Castilho
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan.,Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan
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22
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Ting M, Jefferies SR, Xia W, Engqvist H, Suzuki JB. Classification and Effects of Implant Surface Modification on the Bone: Human Cell-Based In Vitro Studies. J ORAL IMPLANTOL 2016; 43:58-83. [PMID: 27897464 DOI: 10.1563/aaid-joi-d-16-00079] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Implant surfaces are continuously being improved to achieve faster osseointegration and a stronger bone to implant interface. This review will present the various implant surfaces, the parameters for implant surface characterization, and the corresponding in vitro human cell-based studies determining the strength and quality of the bone-implant contact. These in vitro cell-based studies are the basis for animal and clinical studies and are the prelude to further reviews on how these surfaces would perform when subjected to the oral environment and functional loading.
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Affiliation(s)
- Miriam Ting
- 1 Temple University Kornberg School of Dentistry, Philadelphia, Pa
| | - Steven R Jefferies
- 2 Department of Restorative Dentistry, Temple University Kornberg School of Dentistry, Philadelphia, Pa
| | - Wei Xia
- 3 Department of Engineering Science, Uppsala University, Uppsala, Sweden
| | - Håkan Engqvist
- 3 Department of Engineering Science, Uppsala University, Uppsala, Sweden
| | - Jon B Suzuki
- 4 Department of Periodontology and Oral Implantology, Temple University Kornberg School of Dentistry, Philadelphia, Pa
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Zhao Z, Yu H, Fan C, Kong Q, Liu D, Meng L. Differentiate into urothelium and smooth muscle cells from adipose tissue-derived stem cells for ureter reconstruction in a rabbit model. Am J Transl Res 2016; 8:3757-3768. [PMID: 27725856 PMCID: PMC5040674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 09/02/2016] [Indexed: 06/06/2023]
Abstract
Ureter reconstruction is still a tough task for urologist. Cell-based tissue engineering serves a better technique for patients with long segments of ureter defect who need ureter reconstruction. In this study, we sought to evaluate the differentiation potential of adipose derived stem cells (ADSCs) into urothelial lineage and smooth muscle lineage and to assess the possibility of ureter reconstruction using differentiated cells seeded vessel extracellular matrix (VECM) in a rabbit model. ADSCs were isolated from adipose tissue and identified in vitro. Subsequently, they were cultured with induction medium for urothelium and smooth muscle phenotypes differentiation. After 14 days inducing, differentiation was evaluated by Quantitative PCR and western blot studies. After fluorescent protein labeling, the differentiated cells were seeded onto VECM and cultured under dynamic conditions in vitro. After 7 days culturing, the cell-seeded graft was tubularized and wrapped by two layers of the omentum in a rabbit. Three weeks later, the maturated graft was used for ureter reconstruction in vivo. The ADSCs were isolated and cultured in vitro. Flow cytometry demonstrated that the ADSCs expressed CD29 and CD90, but did not express CD34. After induction, urothelium phenotypes gene (cytokeratin 7) and smooth muscle expression gene (a-SMA and SM-MHC) was confirmed in mRNA and protein level. After cells seeding onto VECM, the induced urothelium cells formed a single epithelial layer, and the induced smooth muscle cells formed a few cell layers during dynamic culture. After 3 weeks of omental maturation, tubular graft was vascularized and comprised epithelial layer positively with cytokeratin 7, cytokeratin 20 on the luminal aspect. At 8 weeks post ureter reconstruction, histological evaluation showed a clearly layered structure of ureter with terminally differentiated multilayered urothelium positively with cytokeratin 20 and uroplakin III over connective smooth muscle tissue positively with a-SMA and SM-MHC. The labeled induced cells could be observed in the reconstructed ureter. We demonstrated that ADSCs could differentiate into urothelial and smooth muscle lineage. Tissue engineered graft by these differentiated cells seeded on VECM could be employed to long segments ureter reconstruction after omental maturation in vivo.
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Affiliation(s)
- Zhankui Zhao
- Department of Urology and Andrology, The Affiliated Hospital, Jining Medical UniversityJining 272029, P. R. China
| | - Honglian Yu
- Department of Medical Biochemistry, Basic Medical School, Jining Medical UniversityJining 272067, P. R. China
| | - Chengjuan Fan
- Department of Urology and Andrology, The Affiliated Hospital, Jining Medical UniversityJining 272029, P. R. China
| | - Qingsheng Kong
- Department of Medical Biochemistry, Basic Medical School, Jining Medical UniversityJining 272067, P. R. China
| | - Deqian Liu
- Department of Urology and Andrology, The Affiliated Hospital, Jining Medical UniversityJining 272029, P. R. China
| | - Lin Meng
- Department of Urology and Andrology, The Affiliated Hospital, Jining Medical UniversityJining 272029, P. R. China
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