551
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Taylor SE, Smith RKW, Clegg PD. Mesenchymal stem cell therapy in equine musculoskeletal disease: scientific fact or clinical fiction? Equine Vet J 2010; 39:172-80. [PMID: 17378447 DOI: 10.2746/042516407x180868] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The goal in the therapeutic use of mesenchymal stem cells (MSCs) in musculoskeletal disease is to harness the regenerative nature of these cells focussing on their potential to grow new tissues and organs to replace damaged or diseased tissue. Laboratory isolation of MSCs is now well established and has recently been demonstrated for equine MSCs. Stem cell science has attracted considerable interest in both the scientific and clinical communities because of its potential to regenerate tissues. Research into the use of MSCs in tissue regeneration in general reflects human medical needs, however, the nature, prevalence and prognosis of superficial digital flexor tendonitis has put equine veterinary science at the forefront of tendon regeneration research. Much has been investigated and learnt but it must be appreciated that in spite of this, the field is still relatively young and both communities must prepare themselves for considerable time and effort to develop the technology into a highly efficient treatments. The promise of functional tissue engineering to replace old parts with new fully justifies the interest. At present, however, it is important to balance the understanding of our current limitations with a desire to progress the technology.
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Affiliation(s)
- S E Taylor
- Department of Veterinary Clinical Science, University of Liverpool, Leahurst, Chester High Road, Neston, Cheshire CH64 7TE, UK
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552
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553
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Rutgers M, van Pelt MJP, Dhert WJA, Creemers LB, Saris DBF. Evaluation of histological scoring systems for tissue-engineered, repaired and osteoarthritic cartilage. Osteoarthritis Cartilage 2010; 18:12-23. [PMID: 19747584 DOI: 10.1016/j.joca.2009.08.009] [Citation(s) in RCA: 156] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2009] [Revised: 07/21/2009] [Accepted: 08/02/2009] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Regeneration of hyaline cartilage has been the focus of an increasing number of research groups around the world. One of the most important outcome measures in evaluation of its success is the histological quality of cartilaginous tissue. Currently, a variety of histological scoring systems is used to describe the quality of osteoarthritic, in vivo repaired or in vitro engineered tissue. This review aims to provide an overview of past and currently used histological scoring systems, in an effort to aid cartilage researchers in choosing adequate and validated cartilage histological scoring systems. METHODS Histological scoring systems for analysis of osteoarthritic, tissue engineered and in vivo repaired cartilage were reviewed. The chronological development as well as the validity and practical applicability of the scoring systems is evaluated. RESULTS The Histological-Histochemical Grading System (HHGS) or a HHGS-related score is most often used for evaluation of osteoarthritic cartilage, however the Osteoarthritis Research Society International (OARSI) Osteoarthritis Cartilage Histopathology Assessment System seems a valid alternative. The O'Driscoll score and the International Cartilage Repair Society (ICRS) II score may be used for in vivo repaired cartilage. The 'Bern score' seems most adequate for evaluation of in vitro engineered cartilage. CONCLUSION A great variety of histological scoring systems exists for analysis of osteoarthritic or normal, in vivo repaired or tissue-engineered cartilage, but only few have been validated. Use of these validated scores may considerably improve exchange of information necessary for advances in the field of cartilage regeneration.
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Affiliation(s)
- M Rutgers
- Department of Orthopaedics, University Medical Center Utrecht, The Netherlands
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554
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Frisbie DD, Kisiday JD, Kawcak CE, Werpy NM, McIlwraith CW. Evaluation of adipose-derived stromal vascular fraction or bone marrow-derived mesenchymal stem cells for treatment of osteoarthritis. J Orthop Res 2009; 27:1675-80. [PMID: 19544397 DOI: 10.1002/jor.20933] [Citation(s) in RCA: 203] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The purpose of this study was the assessment of clinical, biochemical, and histologic effects of intraarticular administered adipose-derived stromal vascular fraction or bone marrow-derived mesenchymal stem cells for treatment of osteoarthritis. Osteoarthritis was induced arthroscopically in the middle carpal joint of all horses, the contralateral joint being sham-operated. All horses received treatment on Day 14. Eight horses received placebo treatment and eight horses received adipose-derived stromal vascular fraction in their osteoarthritis-affected joint. The final eight horses were treated the in osteoarthritis-affected joint with bone marrow-derived mesenchymal stem cells. Evaluations included clinical, radiographic, synovial fluid analysis, gross, histologic, histochemical, and biochemical evaluations. No adverse treatment-related events were observed. The model induced a significant change in all but two parameters, no significant treatment effects were demonstrated, with the exception of improvement in synovial fluid effusion PGE2 levels with bone marrow-derived mesenchymal stem cells when compared to placebo. A greater improvement was seen with bone marrow-derived mesenchymal stem cells when compared to adipose-derived stromal vascular fraction and placebo treatment. Overall, the findings of this study were not significant enough to recommend the use of stem cells for the treatment of osteoarthritis represented in this model.
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Affiliation(s)
- David D Frisbie
- Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, 300 West Drake Road, Fort Collins, Colorado 80523, USA.
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555
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Seda Tigli R, Ghosh S, Laha MM, Shevde NK, Daheron L, Gimble J, Gümüşderelioglu M, Kaplan DL. Comparative chondrogenesis of human cell sources in 3D scaffolds. J Tissue Eng Regen Med 2009; 3:348-60. [PMID: 19382119 DOI: 10.1002/term.169] [Citation(s) in RCA: 332] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Cartilage tissue can be engineered by starting from a diversity of cell sources, including stem-cell based and primary cell-based platforms. Selecting an appropriate cell source for the process of cartilage tissue engineering or repair is critical and challenging, due to the variety of cell options available. In this study, cellular responses of isolated human chondrocytes, human embryonic stem cells and mesenchymal stem cells (MSCs) derived from three sources, human embryonic stem cells, bone marrow and adipose tissue, were assessed for chondrogenic potential in 3D culture. All cell sources were characterized by FACS analysis to compare expression of some surface markers. The cells were differentiated in two different biomaterial matrices, silk and chitosan scaffolds, in the presence and absence of bone morphogenetic protein 6 (BMP6), along with the standard chondrogenic differentiating factors. Embryonic stem cells-derived MSCs showed unique characteristics, with preserved chondrogenic phenotype in both scaffolds with regard to chondrogenesis, as determined by real time RT-PCR, histological and microscopical analyses. After 4 weeks of cultivation, embryonic stem cells-derived MSCs were promising for chondrogenesis, particularly in the silk scaffolds with BMP6. The results suggest that cell source differences are important to consider with regard to chondrogenic outcomes, and among the variables addressed here the human embryonic stem cells-derived MSCs were the preferred cell source.
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Affiliation(s)
- R Seda Tigli
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA
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556
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Abstract
Bone morphogenetic protein-6 (BMP-6) is produced by bone marrow-mesenchymal (BMSC) and hematopoietic stem cells, which can differentiate into bone, cartilage, adipose, muscle, hematopoietic, synovial and other tissues. Bmp6-/- null mice have low hepcidin serum levels and an iron overload, resembling hereditary hemochromatosis, which may cause a reduced number of pancreatic beta-cells, increased serum glucose and diabetes. BMP-6 circulates in the normal human plasma and is produced by BMSC prior to differentiation into osteoblasts. Moreover, it is also released by osteoclasts as a key bone coupling factor recruiting osteoblasts to the resorption site. Due to unique structural, receptor binding and signaling characteristics much smaller amounts of BMP-6 than BMP-7 are needed in vivo to induce regeneration of bone defects in animals.
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Affiliation(s)
- Slobodan Vukicevic
- Laboratory of Mineralized Tissues, Center for Translational Research, School of Medicine, University of Zagreb, Salata 5, 10000 Zagreb, Croatia.
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557
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Ratanavaraporn J, Kanokpanont S, Tabata Y, Damrongsakkul S. Growth and osteogenic differentiation of adipose-derived and bone marrow-derived stem cells on chitosan and chitooligosaccharide films. Carbohydr Polym 2009. [DOI: 10.1016/j.carbpol.2009.07.006] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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558
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Sun SH, Lee IK, Lee JW, Shim IS, Kim SH, Kim KS. Simvastatin Induces Osteogenic Differentiation and Suppresses Adipogenic Differentiation in Primarily Cultured Human Adipose-Derived Stem Cells. Biomol Ther (Seoul) 2009. [DOI: 10.4062/biomolther.2009.17.4.353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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559
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560
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Avanzini MA, Bernardo ME, Cometa AM, Perotti C, Zaffaroni N, Novara F, Visai L, Moretta A, Del Fante C, Villa R, Ball LM, Fibbe WE, Maccario R, Locatelli F. Generation of mesenchymal stromal cells in the presence of platelet lysate: a phenotypic and functional comparison of umbilical cord blood- and bone marrow-derived progenitors. Haematologica 2009; 94:1649-60. [PMID: 19773264 DOI: 10.3324/haematol.2009.006171] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Mesenchymal stromal cells are employed in various different clinical settings in order to modulate immune response. However, relatively little is known about the mechanisms responsible for their immunomodulatory effects, which could be influenced by both the cell source and culture conditions. DESIGN AND METHODS We tested the ability of a 5% platelet lysate-supplemented medium to support isolation and ex vivo expansion of mesenchymal stromal cells from full-term umbilical-cord blood. We also investigated the biological/functional properties of umbilical cord blood mesenchymal stromal cells, in comparison with platelet lysate-expanded bone marrow mesenchymal stromal cells. RESULTS The success rate of isolation of mesenchymal stromal cells from umbilical cord blood was in the order of 20%. These cells exhibited typical morphology, immunophenotype and differentiation capacity. Although they have a low clonogenic efficiency, umbilical cord blood mesenchymal stromal cells may possess high proliferative potential. The genetic stability of these cells from umbilical cord blood was demonstrated by a normal molecular karyotype; in addition, these cells do not express hTERT and telomerase activity, do express p16(ink4a) protein and do not show anchorage-independent cell growth. Concerning alloantigen-specific immune responses, umbilical cord blood mesenchymal stromal cells were able to: (i) suppress T- and NK-lymphocyte proliferation, (ii) decrease cytotoxic activity and (iii) only slightly increase interleukin-10, while decreasing interferon-gamma secretion, in mixed lymphocyte culture supernatants. While an indoleamine 2,3-dioxygenase-specific inhibitor did not reverse mesenchymal stromal cell-induced suppressive effects, a prostaglandin E(2)-specific inhibitor hampered the suppressive effect of both umbilical cord blood- and bone marrow-mesenchymal stromal cells on alloantigen-induced cytotoxic activity. Mesenchymal stromal cells from both sources expressed HLA-G. CONCLUSIONS Umbilical cord blood- and bone marrow-mesenchymal stromal cells may differ in terms of clonogenic efficiency, proliferative capacity and immunomodulatory properties; these differences may be relevant for clinical applications.
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Affiliation(s)
- Maria Antonietta Avanzini
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Università di Pavia, Pavia, Italy
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561
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Kim HJ, Im GI. Combination of transforming growth factor-beta2 and bone morphogenetic protein 7 enhances chondrogenesis from adipose tissue-derived mesenchymal stem cells. Tissue Eng Part A 2009; 15:1543-51. [PMID: 19072523 DOI: 10.1089/ten.tea.2008.0368] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
In this study, the authors examined combinations of growth factors that induce effective chondrogenesis from adipose tissue-derived mesenchymal stem cells (MSCs). Human MSCs were isolated from bone marrow (BMMSCs) and adipose tissue (ATMSCs) and characterized according to flow cytometry for CD34, CD45, CD73, and CD166. Chondrogenesis was induced by culturing ATMSCs in pellets without growth factors (negative control) and with 5 ng/mL of transforming growth factor beta 2 (TGF-beta(2)), 100 ng/mL of bone morphogenetic protein (BMP)-2, 100 ng/mL of BMP-6, 100 ng/mL of BMP-7, 5 ng/mL of TGF-beta(2) and 100 ng/mL of BMP-2, 5 ng/mL of TGF-beta(2) and 100 ng/mL of BMP-6, and 5 ng/mL of TGF-beta(2) and 100 ng/mL of BMP-7. BMMSCs cultured under the same condition with 5 ng/mL of TGF-beta(2) were used as positive controls. Flow cytometry showed that ATMSCs and BMMSCs had similar surface marker profiles. After 4 weeks of in vitro culture, glycosaminoglycan assays, real-time reverse transcriptase polymerase chain reaction, and histological findings demonstrated that the combination of 5 ng/mL of TGF-beta(2) and 100 ng/mL of BMP-7 most effectively induced chondrogenesis from ATMSCs. The findings of this study suggest that the combination of TGF-beta(2) and BMP-7 potently enhances chondrogenesis from ATMSCs and can be used to overcome the inferior chondrogenic potential of ATMSCs in cartilage tissue engineering.
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Affiliation(s)
- Hye-Joung Kim
- Department of Orthopedics, Dongguk University International Hospital, Goyang, Korea
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562
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Park JS, Na K, Woo DG, Yang HN, Park KH. Determination of dual delivery for stem cell differentiation using dexamethasone and TGF-β3 in/on polymeric microspheres. Biomaterials 2009; 30:4796-805. [DOI: 10.1016/j.biomaterials.2009.05.054] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2009] [Accepted: 05/19/2009] [Indexed: 10/20/2022]
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563
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Ahmed TAE, Dare EV, Hincke M. Fibrin: a versatile scaffold for tissue engineering applications. TISSUE ENGINEERING PART B-REVIEWS 2009; 14:199-215. [PMID: 18544016 DOI: 10.1089/ten.teb.2007.0435] [Citation(s) in RCA: 593] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Tissue engineering combines cell and molecular biology with materials and mechanical engineering to replace damaged or diseased organs and tissues. Fibrin is a critical blood component responsible for hemostasis, which has been used extensively as a biopolymer scaffold in tissue engineering. In this review we summarize the latest developments in organ and tissue regeneration using fibrin as the scaffold material. Commercially available fibrinogen and thrombin are combined to form a fibrin hydrogel. The incorporation of bioactive peptides and growth factors via a heparin-binding delivery system improves the functionality of fibrin as a scaffold. New technologies such as inkjet printing and magnetically influenced self-assembly can alter the geometry of the fibrin structure into appropriate and predictable forms. Fibrin can be prepared from autologous plasma, and is available as glue or as engineered microbeads. Fibrin alone or in combination with other materials has been used as a biological scaffold for stem or primary cells to regenerate adipose tissue, bone, cardiac tissue, cartilage, liver, nervous tissue, ocular tissue, skin, tendons, and ligaments. Thus, fibrin is a versatile biopolymer, which shows a great potential in tissue regeneration and wound healing.
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Affiliation(s)
- Tamer A E Ahmed
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada
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564
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Park JS, Yang HN, Woo DG, Chung HM, Park KH. In Vitro and In Vivo Chondrogenesis of Rabbit Bone Marrow–Derived Stromal Cells in Fibrin Matrix Mixed with Growth Factor Loaded in Nanoparticles. Tissue Eng Part A 2009; 15:2163-75. [DOI: 10.1089/ten.tea.2008.0532] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Ji Sun Park
- College of Medicine, CHA Stem Cell Institute, Pochon CHA University, Seoul, Republic of Korea
| | - Han Na Yang
- College of Medicine, CHA Stem Cell Institute, Pochon CHA University, Seoul, Republic of Korea
| | - Dae Gyun Woo
- College of Medicine, CHA Stem Cell Institute, Pochon CHA University, Seoul, Republic of Korea
| | - Hyung-Min Chung
- College of Medicine, CHA Stem Cell Institute, Pochon CHA University, Seoul, Republic of Korea
| | - Keun-Hong Park
- College of Medicine, CHA Stem Cell Institute, Pochon CHA University, Seoul, Republic of Korea
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565
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Lee DH, Ahn Y, Kim SU, Wang KC, Cho BK, Phi JH, Park IH, Black PM, Carroll RS, Lee J, Kim SK. Targeting rat brainstem glioma using human neural stem cells and human mesenchymal stem cells. Clin Cancer Res 2009; 15:4925-34. [PMID: 19638465 DOI: 10.1158/1078-0432.ccr-08-3076] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
PURPOSE Brainstem gliomas are usually inoperable and have a dismal prognosis. Based on the robust tropisms of neural stem cells (NSC) and mesenchymal stem cells (MSC) to brain tumors, we compared the tumor-tropic migratory capacities of these stem cells and evaluated the therapeutic potential of genetically engineered human NSCs encoding cytosine deaminase (CD) and IFNbeta against brainstem gliomas. EXPERIMENTAL DESIGN The directed migratory capacities of NSCs and MSCs to brainstem glioma (F98) were evaluated both in vitro and in vivo. The human NSCs (HB1.F3) and various human MSCs, such as bone marrow-derived MSCs (HM3.B10), adipose tissue-derived MSCs, and umbilical cord blood-derived MSCs, were tested. Human fibroblast cells (HFF-1) were used as the negative control. As a proof of concept, the bioactivity of HB1.F3-CD-IFNbeta was analyzed with a cell viability assay, and animals with brainstem gliomas were injected with HB1.F3-CD-IFNbeta cells followed by systemic 5-fluorocytosine treatment. RESULTS In an in vitro modified Transwell migration assay and in vivo stem cell injection into established brainstem gliomas in rats, all the stem cells showed a significant migratory capacity compared with that of the control (P < 0.01). Histologic analysis showed a 59% reduction in tumor volume in the HB1.F3-CD-IFNbeta-treated group (P < 0.05). Apoptotic cells were increased 2.33-fold in animals treated with HB1.F3-CD-IFNbeta compared with the respective control groups (P < 0.01). CONCLUSION The brainstem glioma-tropic migratory capacities of MSCs from various sources were similar to those of NSCs. Genetically engineered NSCs show therapeutic efficacy against brainstem gliomas.
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Affiliation(s)
- Do-Hun Lee
- Division of Pediatric Neurosurgery, Seoul National University Children's Hospital, Seoul, Korea
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566
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Niemeyer P, Vohrer J, Schmal H, Kasten P, Fellenberg J, Suedkamp NP, Mehlhorn AT. Survival of human mesenchymal stromal cells from bone marrow and adipose tissue after xenogenic transplantation in immunocompetent mice. Cytotherapy 2009; 10:784-95. [PMID: 18951271 DOI: 10.1080/14653240802419302] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Mesenchymal stromal cells (MSC) represent an attractive cell population for tissue engineering purposes. As MSC are described as immunoprivileged, non-autologous applications seem possible. A basic requirement is the survival of MSC after transplantation in the host. The purpose of the current paper was to evaluate the survival of undifferentiated and osteogenically induced human MSC from different origins after transplantation in immunocompetent mice. METHODS Human MSC were isolated from bone marrow (BMSC) and adipose tissue (ASC). After cultivation on mineralized collagen, MSC were transplanted subcutaneously into immunocompetent mice (n=12). Undifferentiated MSC (group A) were compared with osteogenic-induced MSC (group B). Human-specific in situ hybridization and anti-vimentin staining was used to follow MSC after transplantation. Quantitative evaluation of lymphocytes and macrophages was performed as a measure of immunologic rejection. Unloaded scaffolds served as controls (group C). Specimens were harvested at 4 and 8 weeks. RESULTS Undifferentiated BMSC and ASC were detected in the majority of cases after xenogenic transplantation (group A, a total of 22 out of 24 cases), while osteogenic-induced MSC (group B) could be detected in only three of 24 cases. Quantification of lymphocytes and macrophages revealed significantly higher cell numbers in group B compared with group A (P<0.05). DISCUSSION Our results suggest that undifferentiated MSC are candidates for non-autologous cell transplantation, while osteogenic-induced MSC seem to be eliminated by the host's immune system. This observation seems independent of the origin of MSC and applies to BMSC and ASC.
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Affiliation(s)
- P Niemeyer
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Freiburg, Germany.
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567
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Cousin B, Ravet E, Poglio S, De Toni F, Bertuzzi M, Lulka H, Touil I, André M, Grolleau JL, Péron JM, Chavoin JP, Bourin P, Pénicaud L, Casteilla L, Buscail L, Cordelier P. Adult stromal cells derived from human adipose tissue provoke pancreatic cancer cell death both in vitro and in vivo. PLoS One 2009; 4:e6278. [PMID: 19609435 PMCID: PMC2707007 DOI: 10.1371/journal.pone.0006278] [Citation(s) in RCA: 167] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2009] [Accepted: 05/31/2009] [Indexed: 12/20/2022] Open
Abstract
Background Normal tissue homeostasis is maintained by dynamic interactions between epithelial cells and their microenvironment. Disrupting this homeostasis can induce aberrant cell proliferation, adhesion, function and migration that might promote malignant behavior. Indeed, aberrant stromal-epithelial interactions contribute to pancreatic ductal adenocarcinoma (PDAC) spread and metastasis, and this raises the possibility that novel stroma-targeted therapies represent additional approaches for combating this malignant disease. The aim of the present study was to determine the effect of human stromal cells derived from adipose tissue (ADSC) on pancreatic tumor cell proliferation. Principal Findings Co-culturing pancreatic tumor cells with ADSC and ADSC-conditioned medium sampled from different donors inhibited cancer cell viability and proliferation. ADSC-mediated inhibitory effect was further extended to other epithelial cancer-derived cell lines (liver, colon, prostate). ADSC conditioned medium induced cancer cell necrosis following G1-phase arrest, without evidence of apoptosis. In vivo, a single intra-tumoral injection of ADSC in a model of pancreatic adenocarcinoma induced a strong and long-lasting inhibition of tumor growth. Conclusion These data indicate that ADSC strongly inhibit PDAC proliferation, both in vitro and in vivo and induce tumor cell death by altering cell cycle progression. Therefore, ADSC may constitute a potential cell-based therapeutic alternative for the treatment of PDAC for which no effective cure is available.
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Affiliation(s)
- Beatrice Cousin
- Université de Toulouse, UPS, UMR 5241 Métabolisme, Plasticité et Mitochondrie, BP 84225, Toulouse, France.
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568
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Huang TF, Chen YT, Yang TH, Chen LL, Chiou SH, Tsai TH, Tsai CC, Chen MH, Ma HL, Hung SC. Isolation and characterization of mesenchymal stromal cells from human anterior cruciate ligament. Cytotherapy 2009; 10:806-14. [PMID: 19023768 DOI: 10.1080/14653240802474323] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND The anterior cruciate ligament (ACL) is one of the most commonly injured ligaments of the knee. Because the torn ACL is always discarded during ACL reconstruction, it may be a potential source for isolating mesenchymal stromal cells (MSC). METHODS To characterize MSC from human ACL, cells were enzymatically released from the ACL of adult human donors and seeded in plastic dishes with serial passages at confluence. At different passages, ACL-derived cells were subjected to in vitro assays to investigate their multilineage potential. Upon treatment, the phenotypes of the cell cultures were analyzed by histo- and immunohistochemistry and semi-quantitative reverse transcription-polymerase chain reaction for the expression of lineage-specific genes. RESULTS Six independent cell lines from individual donors showed diversity in multilineage potential. Interestingly, five of the six lines displayed adipogenic potential, four had osteogenic and adipogenic potential, and only one cell line was tripotent. Both bone marrow (BM)- and ACL-derived MSC expressed marker genes for ligament fibroblasts, whereas the mRNA levels of collagen I and III were more abundant in ACL-derived MSC. DISCUSSION Our study demonstrates that human MSC can be isolated from ACL with diversity in the potential to form bone, fat and cartilage and an increase as compared to BM MSC, in the potential to form ligament fibroblasts.
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Affiliation(s)
- T-F Huang
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan
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569
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Zhang ZY, Teoh SH, Chong MSK, Schantz JT, Fisk NM, Choolani MA, Chan J. Superior osteogenic capacity for bone tissue engineering of fetal compared with perinatal and adult mesenchymal stem cells. Stem Cells 2009; 27:126-37. [PMID: 18832592 DOI: 10.1634/stemcells.2008-0456] [Citation(s) in RCA: 232] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mesenchymal stem cells (MSCs) from human adult bone marrow (haMSCs) represent a promising source for bone tissue engineering. However, their low frequencies and limited proliferation restrict their clinical utility. Alternative postnatal, perinatal, and fetal sources of MSCs appear to have different osteogenic capacities, but have not been systematically compared with haMSCs. We investigated the proliferative and osteogenic potential of MSCs from human fetal bone marrow (hfMSCs), human umbilical cord (hUCMSCs), and human adult adipose tissue (hATMSCs), and haMSCs, both in monolayer cultures and after loading into three-dimensional polycaprolactone-tricalcium-phosphate scaffolds.Although all MSCs had comparable immunophenotypes, only hfMSCs and hUCMSCs were positive for the embryonic pluripotency markers Oct-4 and Nanog. hfMSCs expressed the lowest HLA-I level (55% versus 95%-99%) and the highest Stro-1 level (51% versus 10%-27%), and had the greatest colony-forming unit-fibroblast capacity (1.6x-2.0x; p < .01) and fastest doubling time (32 versus 54-111 hours; p < .01). hfMSCs had the greatest osteogenic capacity, as assessed by von-Kossa staining, alkaline phosphatase activity (5.1x-12.4x; p < .01), calcium deposition (1.6x-2.7x in monolayer and 1.6x-5.0x in scaffold culture; p < .01), calcium visualized on micro-computed tomography (3.9x17.6x; p < .01) and scanning electron microscopy, and osteogenic gene induction. Two months after implantation of cellular scaffolds in immunodeficient mice, hfMSCs resulted in the most robust mineralization (1.8x-13.3x; p < .01).The ontological and anatomical origins of MSCs have profound influences on the proliferative and osteogenic capacity of MSCs. hfMSCs had the most proliferative and osteogenic capacity of the MSC sources, as well as being the least immunogenic, suggesting they are superior candidates for bone tissue engineering.
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570
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Kim HJ, Im GI. Chondrogenic differentiation of adipose tissue-derived mesenchymal stem cells: greater doses of growth factor are necessary. J Orthop Res 2009; 27:612-9. [PMID: 18985688 DOI: 10.1002/jor.20766] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
There have been controversies regarding the chondrogenic potential of adipose tissue-derived mesenchymal stem cells (ATMSCs) compared with bone marrow-derived mesenchymal stem cells (BMMSCs). The purpose of this study was to confirm the hypothesis that chondrogenesis can be achieved from ATMSCs comparable to that from BMMSCs by using greater dose of currently known chondrogenic growth factors. Chondrogenesis was induced from ATMSCs by culturing them in pellets under the following conditions: #1 without growth factors (negative control); #2 5 ng/mL of TGF-beta2; #3 5 ng/mL of TGF-beta2 and 100 ng/mL of IGF-I; #4 15 ng/mL of TGF-beta2; #5 15 ng/mL of TGF-beta2 and 300 ng/mL of IGF-I; #6 25 ng/mL of TGF-beta2; #7 25 ng/mL of TGF-beta2 and 500 ng/mL of IGF-I. After 4 weeks of in vitro culture, the pellets were harvested for DNA quantification, analysis of the glycosaminoglycan content, reverse transcription, and real-time PCR for collagen type I (COL1A1), collagen type II (COL2A1), and Sox-9. Safranin-O and immunohistochemical staining for type II collagen also were carried out, and histological grading was performed based on the findings. A combination of 25 ng/mL TGF-beta2 and 500 ng/mL IGF-I produced results comparable to the positive control (BMMSCs treated with 5 ng/mL TGF-beta2) as demonstrated by DNA amount, GAG analysis, real-time PCR, and histological findings. Although ATMSCs have lower chondrogenic potentials than BMMSCs, chondrogenesis comparable to BMMSCs can be induced from ATMSCs using a greater dose combination of growth factors. These results lend a further support to the application of ATMSCs for cartilage tissue engineering.
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Affiliation(s)
- Hye-Joung Kim
- Department of Orthopaedics, Dongguk University International Hospital, 814 Siksa-Dong, Goyang, 411-773, South of Korea
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571
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Vidal MA, Robinson SO, Lopez MJ, Paulsen DB, Borkhsenious O, Johnson JR, Moore RM, Gimble JM. Comparison of chondrogenic potential in equine mesenchymal stromal cells derived from adipose tissue and bone marrow. Vet Surg 2009; 37:713-24. [PMID: 19121166 DOI: 10.1111/j.1532-950x.2008.00462.x] [Citation(s) in RCA: 150] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To compare the chondrogenic potential of adult equine mesenchymal stem cells derived from bone marrow (MSCs) or adipose tissue (ASCs). STUDY DESIGN In vitro experimental study. ANIMALS Adult Thoroughbred horses (n=11). METHODS BM (5 horses; mean [+/-SD] age, 4+/-1.4 years) or adipose tissue (6 horses; mean age, 3.5+/-1.1 years) samples were obtained. Cryopreserved MSCs and ASCs were used for pellet cultures in stromal medium (C) or induced into chondrogenesis+/-transforming growth factor-3 (TGFbeta(3)) and bone morphogenic factor-6 (BMP-6). Pellets harvested after 3, 7, 14, and 21 days were examined for cross-sectional size and tissue composition (hematoxylin and eosin), glycosaminoglycan (GAG) staining (Alcian blue), collagen type II immunohistochemistry, and by transmission electron microscopy. Pellet GAG and total DNA content were measured using dimethylmethylene blue and Hoechst DNA assays. RESULTS Collagen type II synthesis was predominantly observed in MSC pellets from Day 7 onward. Unlike ASC cultures, MSC pellets had hyaline-like matrix by Day 14. GAG deposition occurred earlier in MSC cultures compared with ASC cultures and growth factors enhanced both MSC GAG concentrations (P<.0001) and MSC pellet size (P<.004) after 2 weeks in culture. CONCLUSION Equine MSCs have superior chondrogenic potential compared with ASCs and the equine ASC growth factor response suggests possible differences compared with other species. CLINICAL RELEVANCE Elucidation of equine ASC and MSC receptor profiles will enhance the use of these cells in regenerative cartilage repair.
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Affiliation(s)
- Martin A Vidal
- Equine Health Studies Program, Laboratory for Equine and Comparative Orthopedic Research, Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, USA.
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572
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Seib FP, Franke M, Jing D, Werner C, Bornhäuser M. Endogenous bone morphogenetic proteins in human bone marrow-derived multipotent mesenchymal stromal cells. Eur J Cell Biol 2009; 88:257-71. [PMID: 19303661 DOI: 10.1016/j.ejcb.2009.01.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Revised: 12/22/2008] [Accepted: 01/14/2009] [Indexed: 01/28/2023] Open
Abstract
Primary human multipotent mesenchymal stromal cells (MSCs) are capable of self renewal or differentiation into several different lineages, including osteoblasts, chondrocytes and adipocytes. However, upon prolonged in vitro culture, MSCs tend to undergo spontaneous osteogenic differentiation. Here, we address the possible role of endogenous osteogenic bone morphogenetic proteins (BMPs) in in situ osteoblastic differentiation of human MSCs. Human MSCs consistently express biologically active BMP-2, BMP-4 and BMP-6 in addition to all BMP-activated receptors, which are functional as shown by the induction of alkaline phosphatase (ALP) activity and up-regulation of osteogenic genes (ALP, BSP1, collagen I and Runx2) following BMP-2 exposure. Since glycosaminoglycans (GAGs) have been implicated in the modulation of the osteogenic bioactivity of BMPs, we reduced sulphated cell surface GAGs by NaClO(3) treatment and found significantly reduced osteogenic gene expression and ALP activity, suggesting that this was partly due to the reduced biological activity of endogenous BMPs. Antagonising osteogenic BMP activity led to a significant reduction in the ALP activity and down-regulation of the transcription factor Runx2 associated with osteogenic development. Blocking BMP receptor type I kinase function with dorsomorphin demonstrated that endogenous osteogenesis was independent of Smad activation but was dependent on phosphatidylinositol 3-kinase (PI-3K). Inclusion of the PI-3K kinase inhibitor Ly294002 significantly reduced osteogenic gene expression and ALP activity. Spontaneous mineralisation was also abrogated following PI-3K inhibition. Thus, endogenous BMPs could contribute to spontaneous osteogenesis through Smad-independent PI-3K-dependent signalling.
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Affiliation(s)
- F Philipp Seib
- Leibniz Institute for Polymer Research, Max Bergmann Centre for Biomaterials Dresden, Dresden, Germany
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573
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Lopez MJ, McIntosh KR, Spencer ND, Borneman JN, Horswell R, Anderson P, Yu G, Gaschen L, Gimble JM. Acceleration of spinal fusion using syngeneic and allogeneic adult adipose derived stem cells in a rat model. J Orthop Res 2009; 27:366-73. [PMID: 18752292 PMCID: PMC2733234 DOI: 10.1002/jor.20735] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Posterolateral spinal fusion is the standard treatment for lumbar compression fractures. Adult adipose tissue-derived stem cells (ASCs) promote osteogenesis in vivo and in vitro. The hypothesis tested in this study was that syngeneic and allogeneic ASCs on a biomaterial scaffold composed of tricalcium phosphate and collagen I will accelerate spinal fusion in a rat model. ASCs from male Fischer or ACI rats were loaded onto scaffolds (53,571 cells/mm(3)) and cultured in stromal media for 48 h. Male Fisher rats were assigned to 4 cohorts (n = 14/cohort) after bilateral decortication of the L4 and L5 transverse processes: (1) No treatment; (2) scaffold only; (3) scaffold + syngeneic ASCs; or (4) scaffold + allogeneic ASCs. Half of each cohort was harvested 4 or 8 weeks after surgery. Spinal fusion was evaluated with radiographs, microcomputed tomography, and light microscopy. Callus did not form in spines without scaffolds. There were no significant differences in callus formation among scaffold cohorts 4 weeks after surgery. Callus formation was more mature in both ASC cohorts versus scaffold alone 8 weeks after surgery based on microstructure as well as radiographic and microcomputed tomographic evidence of active bone formation. Inflammatory cell infiltrate was significantly lower in both ASC cohorts (syngeneic = 18.3 +/- 0.85%; allogeneic = 23.5 +/- 2.33%) versus scaffold alone (46.8 +/- 11.8%) 4 weeks after surgery. Results of this study support syngeneic and allogeneic ASC acceleration of posterior lumbar spinal fusion in a rat model.
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Affiliation(s)
- Mandi J Lopez
- Laboratory for Equine and Comparative Orthopedic Research, Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Skip Bertman Drive, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
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574
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Hanson AD, Marvel SW, Bernacki SH, Banes AJ, van Aalst J, Loboa EG. Osteogenic effects of rest inserted and continuous cyclic tensile strain on hASC lines with disparate osteodifferentiation capabilities. Ann Biomed Eng 2009; 37:955-65. [PMID: 19229619 DOI: 10.1007/s10439-009-9648-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2008] [Accepted: 02/04/2009] [Indexed: 01/22/2023]
Abstract
We investigated the effects of two types of cyclic tensile strain, continuous and rest inserted, on osteogenic differentiation of human adipose-derived adult stem cells (hASCs). The influence of these mechanical strains was tested on two hASC lines having different mineral deposition potential, with one cell line depositing approximately nine times as much calcium as the other hASC line after 14 days of culture in osteogenic medium on tissue culture plastic. Results showed that both continuous (10% strain, 1 Hz) and rest inserted cyclic tensile strain (10% strain, 1 Hz, 10 s rest after each cycle) regimens increased the amount and rate of calcium deposition for both high and low calcium depositing hASC lines as compared to unstrained controls. The response was similar for both types of tensile strain for a given cell line, however, cyclic tensile strain had a much stronger osteogenic effect on the high calcium depositing hASC line, suggesting that mechanical loading has a greater effect on cell lines that already have an innate ability to produce bone as compared to cell lines that do not. This is the first study to investigate the osteodifferentiation effects of cyclic tensile strain on hASCs and the first to show that both continuous (10%, 1 Hz) and rest inserted (10%, 1 Hz, 10 s rest) cyclic tensile strain accelerate hASC osteodifferentiation and increase calcium accretion.
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Affiliation(s)
- Ariel D Hanson
- Joint Department of Biomedical Engineering, North Carolina State University and UNC-Chapel Hill, 2142 Burlington Laboratories, Campus Box 7115, Raleigh, NC 27695-7115, USA
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575
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Ishimura D, Yamamoto N, Tajima K, Ohno A, Yamamoto Y, Washimi O, Yamada H. Differentiation of adipose-derived stromal vascular fraction culture cells into chondrocytes using the method of cell sorting with a mesenchymal stem cell marker. TOHOKU J EXP MED 2009; 216:149-56. [PMID: 18832797 DOI: 10.1620/tjem.216.149] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The incidence of arthritic diseases is rapidly increasing in most advanced countries. Articular cartilage, which is the most important tissue in the joint, consists of chondrocytes and abundant extracellular matrix, including aggrecan, and shows poor self-repair. We studied the potential of stem cells in mouse subcutaneous adipose tissue as a source of cells to regenerate cartilage tissue. Analysis of adipose-derived stromal vascular fraction culture cells (ADSVFs) using mesenchymal stem cell markers showed that CD90-positive cells accounted for 93.8%, CD105-positive cells for 68.5%, and p75 neurotrophin receptor (p75NTR, CD271)-positive cells for 36.1%. These results indicate that cells positive for mesenchymal stem cell markers are present in ADSVFs. The CD105-positive or -negative cells were isolated from ADSVFs by magnetic cell separation (MACS), and the efficiency of differentiation into chondrocytes was compared with using three methods of pellet method, gel-coating method, and gel-embedding sheet method. Using the CD105-positive cells and the gel-embedding sheet method, aggrecan mRNA was detected about three times higher than pellet and gel-coating methods. The above data suggest that ADSVFs could be differentiated into chondrocyte-like cells in the gel-embedding sheet method and could be useful in regenerative medicine to treat cartilage defects or cartilage degenerative disease. The use of cells sorted by mesenchymal stem cell markers from adipose tissue would gain position in the repair of cartilage tissue.
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Affiliation(s)
- Daisuke Ishimura
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Aichi, Japan
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576
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Stoddart MJ, Grad S, Eglin D, Alini M. Cells and biomaterials in cartilage tissue engineering. Regen Med 2009; 4:81-98. [PMID: 19105618 DOI: 10.2217/17460751.4.1.81] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Cartilage defects are notoriously difficult to repair and owing to the long-term prognosis of osteoarthritis, and a rapidly aging population, a need for new therapies is pressing. Cell-based therapies for cartilage regeneration were introduced into patients in the early 1990s. Since that time the technology has developed from a simple cell suspension to more complex 3D structures. Cells, both chondrocytes and stem cells, have been incorporated into scaffold material with the aim to better recreate the natural environment of the cell, while providing more structural support to withstand the large forces applied on the de novo tissue. This review aims to provide an overview of potential cell sources and different scaffold materials, which are in development for cartilage tissue engineering.
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Affiliation(s)
- Martin J Stoddart
- Biomaterials & Tissue Engineering, AO Research Institute, Davos Platz, Switzerland.
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577
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Min BH, Lee HJ, Kim YJ. Cartilage Repair Using Mesenchymal Stem Cells. JOURNAL OF THE KOREAN MEDICAL ASSOCIATION 2009. [DOI: 10.5124/jkma.2009.52.11.1077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Byoung-Hyun Min
- Department of Orthopedic Surgery, Ajou University College of Medicine, Korea.
| | - Hyun Jung Lee
- Cell Therapy Center, Ajou University Medical Center, Korea
| | - Young Jick Kim
- Cell Therapy Center, Ajou University Medical Center, Korea
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578
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Bernardo ME, Avanzini MA, Ciccocioppo R, Perotti C, Cometa AM, Moretta A, Marconi M, Valli M, Novara F, Bonetti F, Zuffardi O, Maccario R, Corazza GR, Locatelli F. Phenotypical/functional characterization of in vitro-expanded mesenchymal stromal cells from patients with Crohn's disease. Cytotherapy 2009; 11:825-36. [PMID: 19903096 DOI: 10.3109/14653240903121260] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND AIMS Because of their capacity to modulate the immune response and promote tissue repair, mesenchymal stromal cells (MSC) represent a potential novel treatment for autoimmune/inflammatory diseases, including Crohn's disease (CD). The aim of the study was in vitro characterization of MSC from active CD patients for future clinical application. METHODS MSC from the bone marrow (BM) of seven CD patients (median age 32 years) were expanded ex vivo in the presence of 5% platelet lysate; cells were investigated for clonogenic efficiency, proliferative capacity, morphology, immunophenotype, differentiation potential, genetic stability and ability to suppress in vitro proliferation of both autologous and allogeneic lymphocytes to polyclonal mitogens. Results were compared with those of BM MSC of four healthy donors (HD). RESULTS MSC were successfully expanded from all patients. Colony-forming unit-fibroblast (CFU-F) frequency and proliferative capacity were comparable in CD and HD MSC. CD MSC showed typical spindle-shaped morphology and differentiated into osteoblasts, adipocytes and chondrocytes. Surface immunologic markers did not differ between CD and HD MSC, with the only exception of sizeable levels of HLA-DR at early culture passages [12-84% at passage (P)1] in the former. CD MSC ceased their growth at variable passages (from P8 to P25) and entered senescence without any change in morphology/proliferation rate. Array-comparative genomic hybridization demonstrated that CD MSC do not show imbalanced chromosomal rearrangements. Both CD and HD MSC inhibited in vitro proliferation of lymphocytes to mitogens. CONCLUSIONS CD MSC show biologic characteristics similar to HD MSC and can be considered for anti-inflammatory and reparative cell therapy approaches in patients with refractory disease.
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Affiliation(s)
- Maria Ester Bernardo
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Università di Pavia, Pavia, Italy.
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579
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Comparative proteomic analysis of human mesenchymal and embryonic stem cells: Towards the definition of a mesenchymal stem cell proteomic signature. Proteomics 2009; 9:223-32. [DOI: 10.1002/pmic.200800035] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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580
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Abstract
Articular cartilage repair and regeneration continue to be largely intractable because of the poor regenerative properties of this tissue. The field of articular cartilage tissue engineering, which aims to repair, regenerate, and/or improve injured or diseased articular cartilage functionality, has evoked intense interest and holds great potential for improving articular cartilage therapy. This review provides an overall description of the current state of and progress in articular cartilage repair and regeneration. Traditional therapies and related problems are introduced. More importantly, a variety of promising cell sources, biocompatible tissue engineered scaffolds, scaffoldless techniques, growth factors, and mechanical stimuli used in current articular cartilage tissue engineering are reviewed. Finally, the technical and regulatory challenges of articular cartilage tissue engineering and possible future directions are also discussed.
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Affiliation(s)
- Lijie Zhang
- Department of Biomedical Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Jerry Hu
- Department of Biomedical Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Kyriacos A. Athanasiou
- Department of Biomedical Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
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581
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Corvol MT, Tahiri K, Montembault A, Daumard A, Savouret JF, Rannou F. [Cell therapy in cartilage repair: cellular and molecular bases]. ACTA ACUST UNITED AC 2008; 202:313-21. [PMID: 19094929 DOI: 10.1051/jbio:2008030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
The destruction of articular cartilage represents the outcome of most inflammatory and degenerative rheumatic diseases and leads to severe disability. Articular cartilage being unable to repair spontaneously, alterations of the joint surface often results in end-stage osteoarthritis, requiring surgical intervention and total joint replacement. This makes damaged tissues repair a major challenge in our aging society. Cartilage harbors only one cell type, the chondrocyte, which synthesizes and secretes specific matrix proteins such as type II collagen and high molecular weight proteoglycans. Matrix proteins are responsible for the conservation of the chondrocyte phenotype and the maintenance of the mechanical functions of cartilage. Development of therapeutic strategies for cartilage repair should thus comprise not only the replacement of lost cartilage cells but also that of extracellular matrix with cartilage-like properties. Different protocols are under investigation. The most commonly employed materials include transplantation of autologous osteochondral tissue. More recently, cell-based therapies using autologous mature chondrocytes or pre-chondrogenic stem cells have drawn particular attention. Tissue-engineering procedures represent the actual trend in cartilage repair. This approach combines biodegradable polymeric three-dimensional matrixes and isolated prechondrogenic stem cells. The cells are seeded within the biocompatible matrix and then implanted into the joint. Numerous non-degradable and degradable polymers, which efficiently "mimic" the natural surroundings of cartilage cells, are currently under investigation.
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Affiliation(s)
- Marie-Thérèse Corvol
- UMR-S-Inserm-Université Paris Descartes, Signalisation et Pharmacologie du cartilage, UFR Biomédicale, France.
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582
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Mesenchymal stem cells as a potential pool for cartilage tissue engineering. Ann Anat 2008; 190:395-412. [DOI: 10.1016/j.aanat.2008.07.007] [Citation(s) in RCA: 114] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2008] [Accepted: 07/18/2008] [Indexed: 01/13/2023]
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583
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Kretlow JD, Jin YQ, Liu W, Zhang WJ, Hong TH, Zhou G, Baggett LS, Mikos AG, Cao Y. Donor age and cell passage affects differentiation potential of murine bone marrow-derived stem cells. BMC Cell Biol 2008; 9:60. [PMID: 18957087 PMCID: PMC2584028 DOI: 10.1186/1471-2121-9-60] [Citation(s) in RCA: 351] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2008] [Accepted: 10/28/2008] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Bone marrow-derived mesenchymal stem cells (BMSCs) are a widely researched adult stem cell population capable of differentiation into various lineages. Because many promising applications of tissue engineering require cell expansion following harvest and involve the treatment of diseases and conditions found in an aging population, the effect of donor age and ex vivo handling must be understood in order to develop clinical techniques and therapeutics based on these cells. Furthermore, there currently exists little understanding as to how these two factors may be influenced by one another. RESULTS Differences in the adipogenic, chondrogenic, and osteogenic differentiation capacity of murine MSCs harvested from donor animals of different age and number of passages of these cells were observed. Cells from younger donors adhered to tissue culture polystyrene better and proliferated in greater number than those from older animals. Chondrogenic and osteogenic potential decreased with age for each group, and adipogenic differentiation decreased only in cells from the oldest donors. Significant decreases in differentiation potentials due to passage were observed as well for osteogenesis of BMSCs from the youngest donors and chondrogenesis of the cells from the oldest donors. CONCLUSION Both increasing age and the number of passages have lineage dependent effects on BMSC differentiation potential. Furthermore, there is an obvious interplay between donor age and cell passage that in the future must be accounted for when developing cell-based therapies for clinical use.
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Affiliation(s)
- James D Kretlow
- Department of Bioengineering, Rice University, PO Box 1892, MS-142, Houston, TX 77251-1892, USA.
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584
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Hayashi T, Kawai T, Ishikawa A, Kawai H, Nakano K, Takei Y, Kuroki K. Histological analysis of induced cartilage on the biodegradable or nonbiodegradable membranes from immature muscular tissue in vitro. J Biomed Mater Res A 2008; 86:1048-54. [PMID: 18067163 DOI: 10.1002/jbm.a.31711] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Successful tissue engineering relies on a combination of cells, cytokines, and appropriate scaffolds. Here, we tried to induce the formation of cartilage in vitro using immature muscular tissue, crude bone morphogenetic protein (BMP) as a source of the cytokine, and biodegradable membranes (BioMend; BM and GC-membrane; GC-M) or a nonbiodegradable membrane (GORE-TEX; GT) as scaffolds. Crude BMP was extracted from bovine cortical bones, dried, and dissolved in 1M urea before it was added to immature muscular tissue from the forelimbs of fetal Sprague Dawley rats at 20 days of pregnancy. The tissue was then cultured for 2 weeks in a carbon dioxide incubator. Complete cartilage was observed only when GT was used as a scaffold. In addition, cartilage-like tissue formation was observed when BM was used, and partial cartilage formation was observed for GC-M. Therefore, these results show that immature muscular tissue differentiated into cartilage and GORE-TEX is the most effective material for use as a scaffold in this model of tissue engineering.
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Affiliation(s)
- Tatsuhide Hayashi
- Department of Dental and Material Science, Aichi-Gakuin University School of Dentistry, 1-100 Kusumoto-cho Chikusa-ku Nagoya 4648650, Japan.
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585
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Rich JT, Rosová I, Nolta JA, Myckatyn TM, Sandell LJ, McAlinden A. Upregulation of Runx2 and Osterix during in vitro chondrogenesis of human adipose-derived stromal cells. Biochem Biophys Res Commun 2008; 372:230-5. [PMID: 18482578 PMCID: PMC2548292 DOI: 10.1016/j.bbrc.2008.05.022] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2008] [Accepted: 05/06/2008] [Indexed: 12/22/2022]
Abstract
The aim of this study was to create a gene expression profile to better define the phenotype of human adipose-derived stromal cells (HADSCs) during in vitro chondrogenesis, osteogenesis and adipogenesis. A novel aspect of this work was the analysis of the same subset of genes during HADSC differentiation into all three lineages. Chondrogenic induction resulted in increased mRNA expression of Sox transcription factors, COL2A1,COL10A1, Runx2, and Osterix. This is the first report demonstrating significant upregulation in expression of osteogenesis-related transcription factors Runx2 and Osterix by TGF-beta3 induction of HADSCs during in vitro chondrogenesis. These findings suggest that the commonly-used chondrogenic induction reagents promote differentiation suggestive of hypertrophic chondrocytes and osteoblasts. We conclude that alternative strategies are required to induce efficient articular chondrocyte differentiation in order for HADSCs to be of clinical use in cartilage tissue engineering.
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Affiliation(s)
- Jason T. Rich
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine St Louis, Missouri
| | - Ivana Rosová
- Department of Internal Medicine, Washington University School of Medicine St Louis, Missouri
| | - Jan A. Nolta
- Department of Internal Medicine, Stem Cell Program, University of California, Davis, California
| | - Terence M. Myckatyn
- Division of Plastic and Reconstructive Surgery, Washington University School of Medicine St Louis, Missouri
| | - Linda J. Sandell
- Department of Orthopaedic Surgery and Department of Cell Biology and Physiology, Washington University School of Medicine St Louis, Missouri
| | - Audrey McAlinden
- Department of Orthopaedic Surgery and Department of Cell Biology and Physiology, Washington University School of Medicine St Louis, Missouri
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586
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Egli RJ, Bastian JD, Ganz R, Hofstetter W, Leunig M. Hypoxic expansion promotes the chondrogenic potential of articular chondrocytes. J Orthop Res 2008; 26:977-85. [PMID: 18302236 DOI: 10.1002/jor.20603] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
For cell-based cartilage repair strategies, an ex vivo expansion phase is required to obtain sufficient numbers of cells needed for therapy. Although recent reports demonstrated the central role of oxygen for the function and differentiation of chondrocytes, a beneficial effect of low oxygen concentrations during the expansion of the cells to further improve their chondrogenic capacity has not been investigated.Therefore, freshly harvested bovine articular chondrocytes were grown in two-dimensional monolayer cultures at 1.5% and 21% O2 and redifferentiation was subsequently induced in three-dimensional micromass cultures at 1.5%, 5%, and 21% O2. Cells expanded at 1.5% O2 were characterized by low citrate synthase (aerobic energy metabolism)--and high LDH (anaerobic energy metabolism-activities,suggesting an anaerobic energy metabolism. Collagen type II mRNA was twofold higher in cells expanded at 1.5% as compared to expansion at 21% O2. Micromass cultures grown at 21% O2 showed up to a twofold increase in the tissue content of glycosaminoglycans when formed with cells expanded at 1.5% instead of 21% O2. However, no differences in the levels of transcripts and in the staining for collagen type II protein were observed in these micromass cultures. Hypoxia (1.5% and 5% O2) applied during micromass cultures gave rise to tissues with low contents of glycosaminoglycans only. In vivo, the chondrocytes are adapted to a hypoxic environment. Taking this into account, by applying 1.5% O2 in the expansion phase in the course of cell-based cartilage repair strategies, may result in a repair tissue with higher quality by increasing the content of glycosaminoglycans.
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Affiliation(s)
- Rainer J Egli
- Department of Clinical Research, Group for Bone Biology and Orthopaedic Research, University of Berne, Murtenstrasse 35, 3010 Berne, Switzerland.
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587
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Kim YJ, Kim HJ, Im GI. PTHrP promotes chondrogenesis and suppresses hypertrophy from both bone marrow-derived and adipose tissue-derived MSCs. Biochem Biophys Res Commun 2008; 373:104-8. [PMID: 18554504 DOI: 10.1016/j.bbrc.2008.05.183] [Citation(s) in RCA: 109] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2008] [Accepted: 05/30/2008] [Indexed: 01/13/2023]
Abstract
During chondrogenesis from mesenchymal stem cells (MSCs), inadequate differentiation and hypertrophic differentiation are two important limitations. The purpose of this study was to test the hypothesis that chondrogenesis is enhanced and unwanted hypertrophic changes are suppressed by treating bone marrow-derived (BMMSCs) and adipose tissue-derived mesenchymal stem cells (ATMSCs) with parathyroid hormone-related peptide (PTHrP). To induce chondrogenesis, in vitro pellet cultures were carried out using 2.5x10(5) MSCs at passage 3 in chondrogenic medium containing 5 ng/ml of TGF-beta(2) for BMMSCs, and 5 ng/ml of TGF-beta(2) and 100 ng/ml of BMP-7 for ATMSCs. From the 14th day of culture, subsets of pellets were treated with PTHrP [0, 10, 100 ng/ml], and after two more weeks of in vitro culture, pellets were harvested for analysis. The addition of PTHrP dose-dependently increased DNA contents in both BMMSCs and ATMSCs. GAG contents also increased after PTHrP treatment. The gene expression of COL1A1 decreased by three-fourths, while the decrease was not evident in ATMSCs after PTHrP treatment. SOX-9 mRNA increased up to four fold in both BMMSCs and ATMSCs, and COL2A1 gene expression sharply increased to sevenfold in BMMSCs and to 4 fold in ATMSCs. COL10A1 gene expression decreased by a third in both cell types, and Runx-2 expression dropped sharply in both cell types after PTHrP treatment. Safranin-O and immunohistochemistry for type I, II, X collagen and Runx-2 generally paralleled qRT-PCR findings with minor variations. In conclusion, PTHrP was found to promote chondrogenesis and suppress hypertrophy during in vitro chondrogenesis from both BMMSCs and ATMSCs, which supports its use for cartilage tissue engineering.
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Affiliation(s)
- Young-Ju Kim
- Department of Orthopaedics, Dongguk University International Hospital, 814 Siksa-Dong, Goyang 411-773, Republic of Korea
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588
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Gimble JM, Guilak F, Nuttall ME, Sathishkumar S, Vidal M, Bunnell BA. In vitro Differentiation Potential of Mesenchymal Stem Cells. ACTA ACUST UNITED AC 2008; 35:228-238. [PMID: 21547120 DOI: 10.1159/000124281] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2007] [Accepted: 03/07/2008] [Indexed: 12/19/2022]
Abstract
SUMMARY: Mesenchymal stem cells (MSCs) represent a class of multipotent progenitor cells that have been isolated from multiple tissue sites. Of these, adipose tissue and bone marrow offer advantages in terms of access, abundance, and the extent of their documentation in the literature. This review focuses on the in vitro differentiation capability of cells derived from adult human tissue. Multiple, independent studies have demonstrated that MSCs can commit to mesodermal (adipocyte, chondrocyte, hematopoietic support, myocyte, osteoblast, tenocyte), ectodermal (epithelial, glial, neural), and endodermal (hepatocyte, islet cell) lineages. The limitations and promises of these studies in the context of tissue engineering are discussed.
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Affiliation(s)
- Jeffrey M Gimble
- Stem Cell Biology Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, USA
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589
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Fortier LA, Smith RKW. Regenerative medicine for tendinous and ligamentous injuries of sport horses. Vet Clin North Am Equine Pract 2008; 24:191-201. [PMID: 18314043 DOI: 10.1016/j.cveq.2007.11.002] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
After tendon injury, the scar tissue that replaces the damaged tendon results in a substantial risk for reinjury. The goal of regenerative therapies is to restore normal structural architecture and biomechanical function to an injured tissue. Successful restoration processes for any tissue are thought to recapitulate those of development, in which there are spatial and temporal interactions between scaffold, growth factors, and cell populations.
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Affiliation(s)
- Lisa A Fortier
- Department of Clinical Sciences, VMC C3-181, Cornell University, Ithaca, NY 14853, USA.
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590
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Noël D, Caton D, Roche S, Bony C, Lehmann S, Casteilla L, Jorgensen C, Cousin B. Cell specific differences between human adipose-derived and mesenchymal–stromal cells despite similar differentiation potentials. Exp Cell Res 2008; 314:1575-84. [DOI: 10.1016/j.yexcr.2007.12.022] [Citation(s) in RCA: 268] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2007] [Revised: 12/17/2007] [Accepted: 12/19/2007] [Indexed: 12/20/2022]
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591
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Singh S, Jones BJ, Crawford R, Xiao Y. Characterization of a Mesenchymal-Like Stem Cell Population from Osteophyte Tissue. Stem Cells Dev 2008; 17:245-54. [DOI: 10.1089/scd.2007.0146] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Sanjleena Singh
- Bone Tissue Engineering Program, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
| | - Ben J. Jones
- Solid Organ Transplant Team, Mater Medical Research Institute, Aubigny Place, Raymond Terrace, South Brisbane, QLD 4101, Australia
| | - Ross Crawford
- Bone Tissue Engineering Program, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
| | - Yin Xiao
- Bone Tissue Engineering Program, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
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592
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Petrie C, Tholpady S, Ogle R, Botchwey E. Proliferative capacity and osteogenic potential of novel dura mater stem cells on poly-lactic-co-glycolic acid. J Biomed Mater Res A 2008; 85:61-71. [PMID: 17688255 PMCID: PMC3124866 DOI: 10.1002/jbm.a.31367] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The rational design of biomimetic structures for the regeneration of damaged or missing tissue is a fundamental principle of tissue engineering. Multiple variables must be optimized, ranging from the scaffold type to the selection and properties of implanted cell(s). In this study, the osteogenic potential of a novel stem cell was analyzed on biodegradable poly(lactic-co-glycolic acid) (PLGA) biomaterials as a step toward creating new cell-materials constructs for bony regeneration. Dura mater stem cells (DSCs), isolated from rat dura mater, were evaluated and compared to bone marrow stem cells (BMSCs) for proliferative and differentiative properties in vitro. Experiments were carried out on both tissue culture plastic (TCP) and 2D planar films of PLGA. Proliferation of DSCs on both TCP and PLGA films increased over 21 days. Positive fold inductions in all five bone marker genes were observed at days 7, 14, 21 in all experimental samples compared with day 0 controls. DSCs demonstrated greater cell coverage and enhanced matrix staining on 2D PLGA films when compared with BMSCs. These cells can be isolated and expanded in culture and can subsequently attach, proliferate, and differentiate on both TCP and PLGA films to a greater extent than BMSCs. This suggests that DSCs are promising for cell-based bone tissue engineering therapies, particularly those applications involving regeneration of cranial bones.
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Affiliation(s)
- Caren Petrie
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
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593
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Rider DA, Dombrowski C, Sawyer AA, Ng GHB, Leong D, Hutmacher DW, Nurcombe V, Cool SM. Autocrine fibroblast growth factor 2 increases the multipotentiality of human adipose-derived mesenchymal stem cells. Stem Cells 2008; 26:1598-608. [PMID: 18356575 DOI: 10.1634/stemcells.2007-0480] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Multipotent mesenchymal stem cells (MSCs), first identified in the bone marrow, have subsequently been found in many other tissues, including fat, cartilage, muscle, and bone. Adipose tissue has been identified as an alternative to bone marrow as a source for the isolation of MSCs, as it is neither limited in volume nor as invasive in the harvesting. This study compares the multipotentiality of bone marrow-derived mesenchymal stem cells (BMSCs) with that of adipose-derived mesenchymal stem cells (AMSCs) from 12 age- and sex-matched donors. Phenotypically, the cells are very similar, with only three surface markers, CD106, CD146, and HLA-ABC, differentially expressed in the BMSCs. Although colony-forming units-fibroblastic numbers in BMSCs were higher than in AMSCs, the expression of multiple stem cell-related genes, like that of fibroblast growth factor 2 (FGF2), the Wnt pathway effectors FRAT1 and frizzled 1, and other self-renewal markers, was greater in AMSCs. Furthermore, AMSCs displayed enhanced osteogenic and adipogenic potential, whereas BMSCs formed chondrocytes more readily than AMSCs. However, by removing the effects of proliferation from the experiment, AMSCs no longer out-performed BMSCs in their ability to undergo osteogenic and adipogenic differentiation. Inhibition of the FGF2/fibroblast growth factor receptor 1 signaling pathway demonstrated that FGF2 is required for the proliferation of both AMSCs and BMSCs, yet blocking FGF2 signaling had no direct effect on osteogenic differentiation. Disclosure of potential conflicts of interest is found at the end of this article.
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Affiliation(s)
- David A Rider
- Laboratory of Stem Cells and Tissue Repair, Institute of Molecular and Cell Biology, 61 Biopolis Drive, Singapore
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594
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Hayashi O, Katsube Y, Hirose M, Ohgushi H, Ito H. Comparison of osteogenic ability of rat mesenchymal stem cells from bone marrow, periosteum, and adipose tissue. Calcif Tissue Int 2008; 82:238-47. [PMID: 18305886 DOI: 10.1007/s00223-008-9112-y] [Citation(s) in RCA: 170] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2007] [Accepted: 02/04/2008] [Indexed: 12/13/2022]
Abstract
Mesenchymal stem cells (MSCs) reside in many types of tissue and are able to differentiate into various functional cells including osteoblasts. Recently, adipose tissue-derived MSCs (AMSCs) have been shown to differentiate into many lineages, and they are considered a source for tissue regeneration. The purpose of this study was to compare the osteogenic differentiation capability of MSCs from bone marrow (BMSCs), MSCs from periosteum (PMSCs), and AMSCs using in vitro culture and in vivo implantation experiments. We harvested these MSCs from 7-week-old rats. The cells were seeded and cultured for 7 days in primary culture to assay a colony-forming unit. The frequency of the unit was the smallest in the BMSCs (P < 0.001). After primary culture, subculture was performed under osteogenic differentiation conditions for 1 and 2 weeks to detect mineralization as well as the bone-specific proteins of alkaline phosphatase and osteocalcin as osteogenic markers. BMSCs and PMSCs showed distinct osteogenic differentiation capability in comparison with other MSCs (P < 0.001). For the in vivo assay, composites of these cells and hydroxyapatite ceramics were subcutaneously implanted into syngeneic rats and harvested after 6 weeks. Micro-computed tomographic (CT) and histological analyses demonstrated that new bone formation was detected in the composites using BMSCs and PMSCs, although it was hard to detect in other composites. The CT analyses also demonstrated that the bone volume of BMSC composites was more than that of AMSC composites (P < 0.001). These results indicate that BMSCs and PMSCs could be ideal candidates for utilization in practical bone tissue regeneration.
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Affiliation(s)
- Ousuke Hayashi
- Department of Orthopedic Surgery, Nippon Medical School, Tokyo, Japan.
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595
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Kisiday JD, Kopesky PW, Evans CH, Grodzinsky AJ, McIlwraith CW, Frisbie DD. Evaluation of adult equine bone marrow- and adipose-derived progenitor cell chondrogenesis in hydrogel cultures. J Orthop Res 2008; 26:322-31. [PMID: 17960654 DOI: 10.1002/jor.20508] [Citation(s) in RCA: 144] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Bone marrow mesenchymal stem cells (BM-MSCs) and adipose-derived progenitor cells (ADPCs) are potential alternatives to autologous chondrocytes for cartilage resurfacing strategies. In this study, the chondrogenic potentials of these cell types were compared by quantifying neo-tissue synthesis and assaying gene expression and accumulation of extracellular matrix (ECM) components of cartilage. Adult equine progenitor cells encapsulated in agarose or self-assembling peptide hydrogels were cultured in the presence or absence of TGFbeta1 for 3 weeks. In BM-MSCs-seeded hydrogels, TGFbeta1 stimulated ECM synthesis and accumulation 3-41-fold relative to TGFbeta1-free culture. In ADPC cultures, TGFbeta1 stimulated a significant increase in ECM synthesis and accumulation in peptide (18-29-fold) but not agarose hydrogels. Chromatographic analysis of BM-MSC-seeded agarose and peptide hydrogels cultured in TGFbeta1 medium showed extensive synthesis of aggrecan-like proteoglycan monomers. ADPCs seeded in peptide hydrogel also synthesized aggrecan-like proteoglycans, although to a lesser extent than seen in BM-MSC hydrogels, whereas aggrecan-like proteoglycan synthesis in ADPC-seeded agarose was minimal. RT-PCR analysis of TGFbeta1 cultures showed detectable levels of type II collagen gene expression in BM-MSC but not ADPC cultures. Histological analysis of TGFbeta1-cultured peptide hydrogels showed the deposition of a continuous proteoglycan- and type II collagen rich ECM for BM-MSCs but not ADPCs. Therefore, this study showed both protein and gene expression evidence of superior chondrogenesis of BM-MSCs relative to ADPCs.
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Affiliation(s)
- John D Kisiday
- Orthopaedic Research Center, Department of Clinical Science, Colorado State University, 300 W. Drake Road, Fort Collins, Colorado 80523, USA.
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596
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Abstract
Cartilage tissue engineering is emerging as a technique for the regeneration of cartilage tissue damaged due to disease or trauma. Since cartilage lacks regenerative capabilities, it is essential to develop approaches that deliver the appropriate cells, biomaterials, and signaling factors to the defect site. The objective of this review is to discuss the approaches that have been taken in this area, with an emphasis on various cell sources, including chondrocytes, fibroblasts, and stem cells. Additionally, biomaterials and their interaction with cells and the importance of signaling factors on cellular behavior and cartilage formation will be addressed. Ultimately, the goal of investigators working on cartilage regeneration is to develop a system that promotes the production of cartilage tissue that mimics native tissue properties, accelerates restoration of tissue function, and is clinically translatable. Although this is an ambitious goal, significant progress and important advances have been made in recent years.
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597
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Rosenbaum AJ, Grande DA, Dines JS. The use of mesenchymal stem cells in tissue engineering: A global assessment. Organogenesis 2008; 4:23-7. [PMID: 19279711 PMCID: PMC2634175 DOI: 10.4161/org.6048] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2008] [Accepted: 04/07/2008] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are of great interest to both clinicians and researchers for their great potential to enhance tissue engineering. Their ease of isolation, manipulability and potential for differentiation are specifically what have made them so attractive. These multipotent cells have been found to differentiate into cartilage, bone, fat, muscle, tendon, skin, hematopoietic-supporting stroma and neural tissue. Their diverse in vivo distribution includes bone marrow, adipose, periosteum, synovial membrane, skeletal muscle, dermis, pericytes, blood, trabecular bone, human umbilical cord, lung, dental pulp and periodontal ligament. Despite their frequent use in research, no standardized criteria exist for the identification of mesenchymal stem cells; The International Society for Cellular Therapy has sought to change this with a set of guidelines elucidating the major surface markers found on these cells. While many studies have shown MSCs to be just as effective as unipotent cells for certain types of tissue regeneration, limitations do exist due to their immunosuppressive properties. This paper serves as a review pertaining to these issues, as well as others related to the use of MSCs in tissue engineering.
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Affiliation(s)
- Andrew J Rosenbaum
- Department Orthopedic Surgery Research; The Feinstein Institute; Manhasset, New York USA
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598
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Abstract
Human adipose tissue has been shown to contain a population of cells that possesses extensive proliferative capacity and the ability to differentiate into multiple cell lineages. These cells are referred to as adipose tissue-derived stem cells (ADSCs) and are generally similar, though not identical, to mesenchymal stem cells (also referred to as marrow stromal cells). ADSCs for research are most conveniently extracted from tissue removed during an elective cosmetic liposuction procedure but may also be obtained from resected adipose tissue. This chapter describes surgical procedures associated with improved ADSC recovery and the processes by which aspirated adipose tissue is washed and digested with collagenase to yield a heterogeneous population from which ADSCs can be expanded. The large volume of tissue obtained from a liposuction procedure (average approximately 2 L), combined with the relatively high frequency of ADSC within the digestate, yields substantially more stem cells than can be realized from marrow without extensive expansion in culture.
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599
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Arnalich-Montiel F, Pastor S, Blazquez-Martinez A, Fernandez-Delgado J, Nistal M, Alio JL, De Miguel MP. Adipose-derived stem cells are a source for cell therapy of the corneal stroma. Stem Cells 2007; 26:570-9. [PMID: 18065394 DOI: 10.1634/stemcells.2007-0653] [Citation(s) in RCA: 117] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Most corneal diseases affect corneal stroma and include immune or infectious diseases, ecstatic disorders, traumatic scars, and corneal dystrophies. Cell-based therapy is a promising therapeutic approach to overcome the current disadvantages of corneal transplantation. We intended to search for a cell source to repopulate and regenerate corneal stroma. We investigated the ability of human processed lipoaspirate derived (PLA) cells to regenerate corneal stroma in experimental animals. In the first set of experiments, we tested the biosafety and immunogenicity of human PLA stem cells transplanted into the corneal stroma of rabbits. No immune response was elicited even though we used immune-competent animals. PLA cells survived up to 10 weeks post-transplant, maintained their shape, and remained intermingled in the stroma without disrupting its histological pattern. Interestingly, transparency was preserved even 10 weeks after the transplant, when PLA cells formed a discontinuous layer in the stroma. In the second set of experiments, regeneration of the corneal stroma by PLA cells was assessed, creating a niche by partial ablation of the stroma. After 12 weeks, human cells were disposed following a multilayered pattern and differentiated into functional keratocytes, as assessed by the expression of aldehyde-3-dehydrogenase and cornea-specific proteoglycan keratocan. Based on our results, we believe that adipose-derived adult stem cells can be a cell source for stromal regeneration and repopulation in diseased corneas. The low health impact of the surgical procedure performed to obtain the PLA cells provides this cell source with an additional beneficial feature for its possible future autologous use in human patients.
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600
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Vidal MA, Kilroy GE, Lopez MJ, Johnson JR, Moore RM, Gimble JM. Characterization of equine adipose tissue-derived stromal cells: adipogenic and osteogenic capacity and comparison with bone marrow-derived mesenchymal stromal cells. Vet Surg 2007; 36:613-22. [PMID: 17894587 DOI: 10.1111/j.1532-950x.2007.00313.x] [Citation(s) in RCA: 161] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To characterize equine adipose tissue-derived stromal cell (ASC) frequency and growth characteristics and assess of their adipogenic and osteogenic differentiation potential. STUDY DESIGN In vitro experimental study. ANIMALS Horses (n=5; aged, 9 months to 5 years). METHODS Cell doubling characteristics of ASCs harvested from supragluteal subcutaneous adipose tissue were evaluated over 10 passages. Primary, second (P2), and fourth (P4) passage ASCs were induced under appropriate conditions to undergo adipogenesis and osteogenesis. Limit dilution assays were performed on each passage to determine the frequency of colony-forming units with a fibroblastic (CFU-F) phenotype and the frequency of ASC differentiation into the adipocyte (CFU-Ad) and osteoblast (CFU-Ob) phenotype. RESULTS ASC isolates exhibited an average cell-doubling time of 2.1+/-0.9 days during the first 10 cell doublings. Approximately 1 in 2.3+/-0.4 of the total stromal vascular fraction nucleated cells were ASCs, based on the CFU-F assays, and 1 in 3.6+/-1.3 expressed alkaline phosphatase, an osteogenic marker. Primary ASCs differentiated in response to adipogenic (1 in 4.9+/-5.4, CFU-Ad) and osteogenic (1 in <2.44, CFU-Ob) inductive conditions and maintained their differentiation potential during subsequent passages (P2 and P4). CONCLUSION The frequency, in vitro growth rate, and adipogenic and osteogenic differentiation potential of equine ASCs show some differences to those documented for ASCs in other mammalian species. CLINICAL RELEVANCE Adipose tissue is a potential source of adult stem cells for tissue engineering applications in equine veterinary medicine.
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Affiliation(s)
- Martin A Vidal
- Equine Health Studies Program, Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA.
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