151
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Nichols JE, Niles J, Walls S, Cortiella J. In vitro human bone marrow analog: clinical potential. Regen Med 2010; 5:289-98. [PMID: 20210588 DOI: 10.2217/rme.10.7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Bone marrow is the primary site of hematopoiesis in adult humans. Bone marrow can be cultured in vitro but few simple culture systems fully support hematopoiesis beyond a few months. Human bone marrow analogs are long-term in vitro cultures of marrow stromal and hematopoietic stem cells that can be used to produce cells and products normally harvested from human donors. Bone marrow analog systems should exhibit confluence of the stromal cell populations, persistence of hematopoietic progenitor cells, presence of active regions of hematopoiesis and capacity to produce mature cell types for extended periods of time. Although we are still years away from realizing clinical application of products formed by artificial bone marrow analogs, the process of transitioning this research tool from bench to bedside should be fairly straightforward. The most obvious application of artificial marrow would be for production of autologous hematopoietic CD34(+) stem cells as a stem cell therapy for individuals experiencing bone marrow failure due to disease or injury. Another logical application is for 'blood farming', a process for large-scale in vitro production of red blood cells, white blood cells or platelets, for transfusion or treatment. Other possibilities include production of nonhematopoietic stem cells such as osteogenic stromal cells, osteoblasts and rare pluripotent stem cells. Bone marrow analogs also have great potential as ex vivo human test systems and could play a critical role in drug discovery, drug development and toxicity testing in the future.
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Affiliation(s)
- Joan E Nichols
- Laboratory of Regenerative & Nano-Medicine, Department of Internal Medicine, University of Texas Medical Branch at Galveston, Galveston, TX 77555-0435, USA.
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152
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Verdoorn KS, Lindoso RS, Lowe J, Lara LS, Vieyra A, Einicker-Lamas M. Bone marrow mononuclear cells shift bioactive lipid pattern in injured kidney towards tissue repair in rats with unilateral ureteral obstruction. Nephrol Dial Transplant 2010; 25:3867-74. [PMID: 20504839 DOI: 10.1093/ndt/gfq286] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Bioactive lipids are important in tissue injury and regeneration. Ceramide (Cer) is known for its pro-apoptotic action and sphingosine-1-phosphate (S1P) for inducing proliferation and cell survival; diacylglycerol (DAG) and lysophosphatidic acid (LPA) are involved in various signalling pathways including modulation of ion transport. LPA signalling through its receptor LPA(1) is also related to the progression of fibrosis. This study investigated the modulation of lipid signalling pathways induced by administration of bone marrow-derived mononuclear cells (BMMC) in chronic kidney disease. METHODS Unilateral ureteral obstruction (UUO) was followed by intravenous injection of ∼2 × 10(7) BMMC. Controls were UUO group treated with buffered solution and sham-operated group. Animals were killed 14 days after surgery, and lipid phosphorylation assays and immunoblotting were performed on the kidney homogenates. RESULTS More DAG was available in the UUO rats (2.4 ± 0.4 and 2.4 ± 0.3 vs 1.0 ± 0.2 pmol (32)PA mg(-)(1) min(-)(1), in UUO and UUO + BMMC vs SHAM). Sphingosine kinase was 150 ± 12% more active in UUO + BMMC than in UUO and SHAM. Cer levels were 76 ± 7% lower in the UUO + BMMC than UUO. LPA receptor type 1 (LPA(1)) expression was 169 ± 7% higher in the UUO group than in UUO + BMMC and SHAM. BMMC maintain control levels of Ca(2+)-ATPase expression altered by UUO by 40%. CONCLUSIONS BMMC infusion modulated diverse lipid signalling pathways and protein expression, shifted sphingolipid metabolism toward a regenerative pattern and favourably reduced the levels of a receptor involved in the progression of tissue fibrosis. These results strengthen the benefits of BMMC treatment and give insight into its paracrine mechanisms of action.
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Affiliation(s)
- Karine S Verdoorn
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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153
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Hegyi B, Sagi B, Kovacs J, Kiss J, Urban VS, Meszaros G, Monostori E, Uher F. Identical, similar or different? Learning about immunomodulatory function of mesenchymal stem cells isolated from various mouse tissues: bone marrow, spleen, thymus and aorta wall. Int Immunol 2010; 22:551-9. [DOI: 10.1093/intimm/dxq039] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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154
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Kalwitz G, Andreas K, Endres M, Neumann K, Notter M, Ringe J, Sittinger M, Kaps C. Chemokine profile of human serum from whole blood: migratory effects of CXCL-10 and CXCL-11 on human mesenchymal stem cells. Connect Tissue Res 2010; 51:113-22. [PMID: 20001843 DOI: 10.3109/03008200903111906] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Autologous human serum is used in cartilage repair and may exert its effect by the recruitment of mesenchymal stem and progenitor cells (MSC). Aim of our study was to analyze the chemokine profile of human serum and to verify chemotactic activity of selected chemokines on MSC. Human MSC were isolated from iliac crest bone marrow aspirates. Chemotactic activity of human serum made from whole blood and pharma grade serum was tested in 96-well chemotaxis assays and chemokine levels were analyzed using human chemokine antibody membrane arrays. The chemotactic potential of selected chemokines on MSC was tested dose dependently using chemotaxis assays. Human serum derived from whole blood significantly attracted human MSC, while pharma grade serum did not recruit MSC. Human chemokine antibody array analysis showed that the level of chemokines CXCL-3, 5, 7-8, 10-12, 16; CCL- 2, 5, 11, 13, 16-20, 24-25, 27; as well as XCL-1 was elevated (fold change >1.5) in serum derived from whole blood compared to nonrecruiting pharma grade serum. Chemotaxis assays showed that the chemokines IP-10/CXCL-10 and I-TAC/CXCL-11 significantly recruit human MSC. PARC/CCL-18, HCC-4/CCL-16, CTACK/CCL-27, and Lymphotactin/XCL-1 showed no chemotactic effect on MSC. Therefore, human serum derived from whole blood contains chemokines that may contribute to serum-mediated recruitment of human mesenchymal progenitors from bone marrow.
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Affiliation(s)
- Gregor Kalwitz
- TransTissue Technologies GmbH and Tissue Engineering Laboratory, Department of Rheumatology, Charité-Universitätsmedizin Berlin, Berlin, Germany
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155
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Granchi D, Devescovi V, Baglìo SR, Leonardi E, Donzelli O, Magnani M, Stilli S, Giunti A, Baldini N. Biological basis for the use of autologous bone marrow stromal cells in the treatment of congenital pseudarthrosis of the tibia. Bone 2010; 46:780-8. [PMID: 19900596 DOI: 10.1016/j.bone.2009.10.044] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Revised: 10/26/2009] [Accepted: 10/30/2009] [Indexed: 10/20/2022]
Abstract
The study was designed to establish the biological basis for the use of autologous bone-marrow stromal cells (MSC) in order to improve the curing opportunities of congenital pseudarthrosis of the tibia (CPT). The investigation was planned by taking into account that the pathophysiology of bone healing mainly depends on the osteogenic potential of the resident cells, although several factors play a crucial role in restoring the normal bone structure. Bone marrow samples were collected from the lesion site (P) and the iliac crest (IC) of 7 patients affected by CPT and type 1 neurofibromatosis (NF1+) and 6 patients affected by CPT without NF1 (NF1-). Four patients without CPT served as control group. Biochemical, functional and molecular assays showed that the ability to generate bone-forming cells was higher in IC-MSC than in P-MSC, but lower in CPT patients than in control group. We evaluated whether host factors, such as autologous serum and the microenvironment surrounding the pseudarthrosis lesion, could impair the osteogenic differentiation of IC-MSC. Autologous serum was less effective than FBS in promoting the IC-MSC differentiation, but the damage was more evident in NF1- than in NF1+ patients. Additionally, the supernatant of osteoblast cultures obtained from bone fragments close to the lesion site favoured the differentiation of IC-MSC in NF1- patients. In summary, our results suggest that MSC transplantation could be a promising strategy for the therapy of CPT. Further studies are warranted to confirm the clinical effectiveness in comparison to standard surgical treatment.
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Affiliation(s)
- Donatella Granchi
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine, Rizzoli Orthopaedic Institute, Bologna, Italy. donatella.granchi.@ior.it
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156
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Oh JY, Kim MK, Ko JH, Lee HJ, Lee JH, Wee WR. Rat allogeneic mesenchymal stem cells did not prolong the survival of corneal xenograft in a pig-to-rat model. Vet Ophthalmol 2010; 12 Suppl 1:35-40. [PMID: 19891650 DOI: 10.1111/j.1463-5224.2009.00724.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Recent reports have demonstrated that mesenchymal stem cells (MSCs) can modulate/suppress immunologic responses through interactions with different immune cells. We performed this study in order to investigate the immunomodulatory effects of MSCs in corneal xenotransplantation. ANIMALS STUDIED Pig and rat. PROCEDURES We orthotopically transplanted pig corneas into rats and topically applied allogeneic rat MSCs to the corneas for 2 h immediately after transplantation. Graft survival was clinically assessed using slit-lamp biomicroscopy and the median survival time (MST) was calculated. The rejected grafts were histologically examined using antibodies against CD4, CD8, CD161, and CD68. The expression of IL-2, IL-6, IL-10, and IFN-gamma was also evaluated in the rejected grafts using an enzyme-linked immunosorbent assay. RESULTS The survival of corneal xenografts was not significantly prolonged by MSC application (MST 10.5 days) compared with the controls (MST 9.67 days) (P = 0.4189). Histologically, the rejected grafts in both groups were massively infiltrated with neutrophils and macrophages. Some CD8+ T cells and rare NK cells were found in the rejected grafts. The levels of IL-6 and IL-10 were significantly increased in the rejected grafts from MSC-treated rats compared with the grafts from MSC-untreated rats. However, the levels of IL-2 and IFN-gamma were not different between the two groups. CONCLUSIONS Topical application of allogeneic rat MSCs was ineffective in prolonging corneal xenograft survival in a pig-to-rat model.
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Affiliation(s)
- Joo Youn Oh
- Department of Ophthalmology, Seoul National University College of Medicine, 28 Yeongeon-dong, Chongno-gu, Seoul 110-744, Korea
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157
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Semenov OV, Koestenbauer S, Riegel M, Zech N, Zimmermann R, Zisch AH, Malek A. Multipotent mesenchymal stem cells from human placenta: critical parameters for isolation and maintenance of stemness after isolation. Am J Obstet Gynecol 2010; 202:193.e1-193.e13. [PMID: 20035913 DOI: 10.1016/j.ajog.2009.10.869] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Revised: 07/17/2009] [Accepted: 10/16/2009] [Indexed: 12/26/2022]
Abstract
OBJECTIVE This study was undertaken to isolate and characterize multipotent mesenchymal stem cells from term human placenta (placenta-derived mesenchymal stem cells, PD-MSCs). STUDY DESIGN Sequential enzymatic digestion was used to isolate PD-MSCs in which trypsin removes the trophoblast layer, followed by collagenase treatment of remaining placental tissue. Karyotype, phenotype, growth kinetics, and differentiability of PD-MSC isolates from collagenase digests were analyzed. RESULTS PD-MSC isolation was successful in 14 of 17 cases. Karyotyping of PD-MSC isolates from deliveries with a male fetus revealed that these cells are of maternal origin. Flow cytometry and immunocytochemistry confirmed the mesenchymal stem cell phenotype. Proliferation rates of PD-MSCs remained constantly high up to passage 20. These cells could be differentiated toward mesodermal lineage in vitro up to passage 20. Nonconfluent culture was critical to maintain the MSC stemness during long-term culture. CONCLUSION Term placenta constitutes a rich, very reliable source of maternal mesenchymal stem cells that remain differentiable, even at high passage numbers.
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158
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Foudah D, Redaelli S, Donzelli E, Bentivegna A, Miloso M, Dalprà L, Tredici G. Monitoring the genomic stability of in vitro cultured rat bone-marrow-derived mesenchymal stem cells. Chromosome Res 2009; 17:1025-39. [PMID: 19957104 PMCID: PMC2793379 DOI: 10.1007/s10577-009-9090-6] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2009] [Revised: 09/29/2009] [Accepted: 10/07/2009] [Indexed: 01/05/2023]
Abstract
Bone-marrow-derived mesenchymal stem cells (MSCs) are multipotent cells capable of self-renewal and differentiation into multiple cell types. Accumulating preclinical and clinical evidence indicates that MSCs are good candidates to use as cell therapy in many degenerative diseases. For MSC clinical applications, an adequate number of cells are necessary so an extensive expansion is required. However, spontaneous immortalization and malignant transformation of MSCs after culture expansion have been reported in human and mouse, while very few data are present for rat MSCs (rMSCs). In this study, we monitored the chromosomal status of rMSCs at several passages in vitro, also testing the influence of four different cell culture conditions. We first used the conventional traditional cytogenetic techniques, in order to have the opportunity to observe even minor structural abnormalities and to identify low-degree mosaic conditions. Then, a more detailed genomic analysis was conducted by array comparative genomic hybridization. We demonstrated that, irrespective of culture conditions, rMSCs manifested a markedly aneuploid karyotype and a progressive chromosomal instability in all the passages we analyzed and that they are anything but stable during in vitro culture. Despite the fact that the risk of neoplastic transformation associated with this genomic instability needs to be further addressed and considering the apparent genomic stability reported for in vitro cultured human MSCs (hMSCs), our findings underline the fact that rMSCs may not in fact be a good model for effectively exploring the full clinical therapeutic potential of hMSCs.
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Affiliation(s)
- Dana Foudah
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
| | - Serena Redaelli
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
| | - Elisabetta Donzelli
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
| | - Angela Bentivegna
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
| | - Mariarosaria Miloso
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
| | - Leda Dalprà
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
- US Genetica Medica, Ospedale San Gerardo, Monza, 20052 Italy
| | - Giovanni Tredici
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, via Cadore 48, 20052 Monza, Italy
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159
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Semenov OV, Malek A, Bittermann AG, Vörös J, Zisch AH. Engineered Polyelectrolyte Multilayer Substrates for Adhesion, Proliferation, and Differentiation of Human Mesenchymal Stem Cells. Tissue Eng Part A 2009; 15:2977-90. [DOI: 10.1089/ten.tea.2008.0602] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Affiliation(s)
- Oleg V. Semenov
- Department of Obstetrics, University Hospital Zurich, Zurich, Switzerland
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Antoine Malek
- Department of Obstetrics, University Hospital Zurich, Zurich, Switzerland
| | | | - Janos Vörös
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Andreas H. Zisch
- Department of Obstetrics, University Hospital Zurich, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology, Zurich, Switzerland
- Department of Materials Science, Swiss Federal Institute of Technology, Zurich, Switzerland
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160
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Leonardi E, Ciapetti G, Baglìo SR, Devescovi V, Baldini N, Granchi D. Osteogenic properties of late adherent subpopulations of human bone marrow stromal cells. Histochem Cell Biol 2009; 132:547-57. [PMID: 19711092 DOI: 10.1007/s00418-009-0633-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2009] [Indexed: 12/17/2022]
Abstract
The nonadherent (NA) population of bone-marrow-derived mononuclear cells (MNC) has been demonstrated to be a source of osteogenic precursors in addition to the plastic-adherent mesenchymal stromal cells (MSC). In the current study, two subpopulations of late adherent (LA) osteoprogenitors were obtained by subsequent replating of NA cells, and their phenotypic, functional, and molecular properties were compared with those of early adherent (EA) MSC. Approximately 35% of MNC were LA cells, and they acquired a homogeneous expression of MSC antigens later than EA cells. In EA-MSC, the alkaline phosphatase (ALP) activity increased significantly from time of seeding to the first confluence, whereas in LA cells it raised later, after the addition of mineralization medium. All subpopulations were able to produce type I collagen and to deposit extracellular matrix with organized collagen fibrils. The proportion of large colonies with more than 50% of ALP positive cells as well as the calcium content was higher in LA than in EA cells. Molecular analysis highlighted the upregulation of bone-related genes in LA-MSC, especially after the addition of mineralization medium. Our results confirm that bone marrow contains LA osteoprogenitors which exhibit a delay in the differentiation process, despite an osteogenic potential similar to or better than EA-MSC. LA cells represent a reservoir of osteoprogenitors to be recruited to gain an adequate bone tissue repair and regeneration when a depletion of the most differentiated component occurs. Bone tissue engineering and cell therapy strategies could take advantage of LA cells, since an adequate amount of osteogenic MSCs may be obtained while avoiding bone marrow manipulation and cell culture expansion.
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Affiliation(s)
- Elisa Leonardi
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136, Bologna, Italy,
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161
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Kidd S, Spaeth E, Klopp A, Andreeff M, Hall B, Marini FC. The (in) auspicious role of mesenchymal stromal cells in cancer: be it friend or foe. Cytotherapy 2009; 10:657-67. [PMID: 18985472 DOI: 10.1080/14653240802486517] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Recent progress in the research of mesenchymal stromal cells/multipotent stromal cells (MSC) has revealed numerous beneficial innate characteristics, suggesting potential value in an array of cellular therapies. MSC are easily isolated from bone marrow (BM), fat and other tissues, and are readily propagated in vitro. Transplanted/injected MSC have been shown to migrate to a variety of organs and tissues; however, sites of inflammation and pathology elicit enhanced MSC homing for tissue remodeling and repair. Tumors utilize many of the same inflammatory mediators uncovered in wound healing and likewise provide a site for preferential MSC homing. Although incorporation into the tumor microenvironment is apparent, the role of recruited MSC in the tumor microenvironment remains unclear. Some published studies have shown enhancement of tumor growth and development, perhaps through immunomodulatory and pro-angiogenic properties, while others have shown no apparent effect or have demonstrated inhibition of tumor growth and extended survival. This controversy remains at the forefront as clinical applications of MSC commence in anti-tumor therapies as well as as adjuncts to stem cell transplantation and in ameliorating graft-versus-host disease. Careful analysis of past studies and thoughtful design of future experiments will help to resolve the discrepancies in the field and lead to clinical utility of MSC in disease treatment. This review highlights the current theories of the role of MSC in tumors and explores current controversies.
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Affiliation(s)
- S Kidd
- Section of Experimental Hematology and Therapy, Department of Stem Cell Transplant and Cellular Therapy, UT-MD Anderson Cancer Center, Houston, Texas, USA
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162
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Salamon A, Toldy E. [Use of mesenchymal stem cells from adult bone marrow for injured tissue repair]. Orv Hetil 2009; 150:1259-65. [PMID: 19531459 DOI: 10.1556/oh.2009.28666] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Mesenchymal stem cells are known as being multipotent and exhibit the potential for differentiation into different cells/tissue lineages, including cartilage, bone, adipose tissue, tendon, and ligament. These pluripotent mesenchymal progenitor cells are denoted as stromal or mesenchymal stem cells. Bone marrow contains two main cell types: hematopoietic cells and stromal cells. The stem cells for non hematopoietic tissues are referred as mesenchymal cells because of their ability to differentiate as mesenchymal or stromal cells. Mesenchymal cells are easily obtainable from bone marrow by means of minimally invasive approach and can be expanded in culture and permitted to differentiate into the desired lineage. The differentiation can be reached by the application of bioactive signaling molecules, specific growth factors. The transforming growth factor beta (TGF-beta) superfamily member proteins such as the bone morphogenetic proteins (BMP-s) are the most important factors of chondrogenic and osteogenic differentiation of mesenchymal stem cells. From the series of recently identified factors, BMP 2,4 and 7 may play an important role in chondrogenic and osteogenic differentiation proteins. Little is known, however, about the signaling pathway involved in tenogenesis of mesenchymal stem cells, but there are some encouraging data about fibroblastic differentiation. The success of growth factor therapy needs a delivery system with biomaterials. Mesenchymal stem cells have become promising vehicles for gene therapy, cell therapy and tissue engineering. In present review, authors deal with the experimental investigations and with the clinical application of the adult bone marrow derived mesenchymal stem cells with bioactive molecules, growth factors.
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Affiliation(s)
- Antal Salamon
- Vas Megyei Markusovszky Lajos Altalános és Rehabilitációs Gyógyfürdo Kórház, Egyetemi Oktató Kórház, Baleseti, Helyreállító és Kézsebészeti Osztály, Szombathely.
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163
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Abstract
While one of the major achievements of the 20th century was prolonging life expectancy in developed countries, the main challenge of the 21st century is to improve the quality of life of the aging population. Aging is associated with a progressive reduction of organ system function. Therefore, regenerative medicine will be one of the major developing fields of medicine. This new medical field does not only apply to aging but also to all degenerative diseases, such as arthritis and degenerative joint disease, which lead to progressive degeneration of mesenchymal tissues such as bone and cartilage. The discovery of pluripotent mesenchymal stem cells (MSCs) offers a promising alternative to surgery for non-invasive regenerative therapies of mesenchymal tissues. This review focuses on the characterization and potential application of MSCs in the regeneration of damaged joints.
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164
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Noer A, Lindeman LC, Collas P. Histone H3 modifications associated with differentiation and long-term culture of mesenchymal adipose stem cells. Stem Cells Dev 2009; 18:725-36. [PMID: 18771397 DOI: 10.1089/scd.2008.0189] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Long-term culture of mesenchymal stem cells leads to a loss of differentiation capacity, the molecular mechanism of which remains not understood. We show here that expansion of adipose stem cells (ASCs) to late passage (replicative senescence) is associated with promoter-specific and global changes in epigenetic histone modifications. In undifferentiated ASCs, inactive adipogenic and myogenic promoters are enriched in a repressive combination of trimethylated H3K4 (H3K4m3) and H3K27m3 in the absence of H3K9m3, a heterochromatin mark. Sequential chromatin immunoprecipitation assays indicate that H3K4m3 and H3K27m3 co-occupy a fraction of nucleosomes on some but not all lineage-specific promoters examined. However in cultured primary keratinocytes, adipogenic and myogenic promoters are enriched in trimethylated H3K4, K27, and K9, illustrating two distinct epigenetic states of inactive promoters related to potential for activation. H3K4m3 and H3K27m3 stably mark promoters during long-term ASC culture indicating that loss of differentiation capacity is not due to alterations in these histone modifications on these loci. Adipogenic differentiation in early passage results in H3K27 demethylation and H3K9 acetylation specifically on adipogenic promoters. On induction of differentiation in late passage, however, transcriptional upregulation is impaired, H3K27 trimethylation is maintained and H3K9 acetylation is inhibited on promoters. In addition, the polycomb proteins Ezh2 and Bmi1 are targeted to promoters. This correlates with global cellular Ezh2 increase and H3K9 deacetylation. Promoter targeting by Ezh2 and Bmi1 in late passage ASCs suggests the establishment of a polycomb-mediated epigenetic program aiming at repressing transcription.
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Affiliation(s)
- Agate Noer
- Department of Biochemistry, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
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165
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Liu H, Toh WS, Lu K, MacAry PA, Kemeny DM, Cao T. A subpopulation of mesenchymal stromal cells with high osteogenic potential. J Cell Mol Med 2009; 13:2436-2447. [PMID: 19508389 DOI: 10.1111/j.1582-4934.2009.00793.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Current bone disease therapy with bone marrow-derived mesenchymal stromal cells (MSC) is hampered by low efficiency. Advanced allogeneic studies on well-established mouse genetic and disease models are hindered by difficulties in isolating murine MSC (mMSC). And mMSC prepared from different laboratories exhibit significant heterogeneity. Hence, this study aimed to identify and isolate a sub-population of mMSC at an early passage number with high osteogenic potential. Enrichment of mMSC was achieved by 1-hr silica incubation and negative selection. Approximately 96% of these cells synthesized osteocalcin after 28 days of osteogenic induction in vitro, and displayed a complete dynamic alteration of alkaline phosphatase (ALP) activity with increasing osteogenic maturation and strong mineralization. Moreover, the cells displayed uniform and stable surface molecular profile, long-term survival, fast proliferation in vitro with maintenance of normal karyotype and distinct immunological properties. CD73 was found to be expressed exclusively in osteogenesis but not in adipogenesis. These cells also retained high osteogenic potential upon allogeneic transplantation in an ectopic site by the detection of bone-specific ALP, osteopontin, osteocalcin and local mineralization as early as 12 days after implantation. Hence, these cells may provide a useful source for improving current strategies in bone regenerative therapy, and for characterizing markers defining the putative MSC population.
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Affiliation(s)
- Hua Liu
- Stem Cell Laboratory, Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, National University of Singapore, Singapore
| | - Wei Seong Toh
- Stem Cell Laboratory, Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, National University of Singapore, Singapore
| | - Kai Lu
- Stem Cell Laboratory, Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, National University of Singapore, Singapore
| | - Paul Anthony MacAry
- Life Sciences Institute, Immunology Programme, National University of Singapore, Singapore
| | - David Michael Kemeny
- Life Sciences Institute, Immunology Programme, National University of Singapore, Singapore
| | - Tong Cao
- Stem Cell Laboratory, Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, National University of Singapore, Singapore
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166
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Menon LG, Kelly K, Yang HW, Kim SK, Black PM, Carroll RS. Human Bone Marrow-Derived Mesenchymal Stromal Cells Expressing S-TRAIL as a Cellular Delivery Vehicle for Human Glioma Therapy. Stem Cells 2009; 27:2320-30. [DOI: 10.1002/stem.136] [Citation(s) in RCA: 145] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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167
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Cellular therapy for repair of cardiac damage after acute myocardial infarction. Int J Cell Biol 2009; 2009:906507. [PMID: 20130765 PMCID: PMC2809316 DOI: 10.1155/2009/906507] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2008] [Accepted: 02/03/2009] [Indexed: 01/05/2023] Open
Abstract
Cardiovascular diseases, particularly acute myocardial infarction, are the leading causes of death worldwide. Important advances have been made in the secondary treatment for cardiovascular diseases such as heart transplantation and medical and surgical therapies. Although these therapies alleviate symptoms, and may even improve survival, none can reverse the disease process and directly repair the lasting damage. Thus, the cure of cardiovascular diseases remains a major unmet medical need. Recently, cellular therapy has been proposed as a candidate treatment for this. Many stem and progenitor cell populations have each been suggested as a potential basis for such therapy. This review assesses some of the more notable exogenous adult cell candidates and provides insights into the mechanisms by which they may mediate improvement in cardiac function following acute myocardial infarction. Research into the cellular therapy field is of great importance for the further planning of clinical trials for cardiac cellular myoplasty.
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168
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Roorda BD, ter Elst A, Kamps WA, de Bont ES. Bone marrow-derived cells and tumor growth: Contribution of bone marrow-derived cells to tumor micro-environments with special focus on mesenchymal stem cells. Crit Rev Oncol Hematol 2009; 69:187-98. [DOI: 10.1016/j.critrevonc.2008.06.004] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2008] [Accepted: 06/04/2008] [Indexed: 12/15/2022] Open
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169
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Brooke G, Rossetti T, Pelekanos R, Ilic N, Murray P, Hancock S, Antonenas V, Huang G, Gottlieb D, Bradstock K, Atkinson K. Manufacturing of human placenta-derived mesenchymal stem cells for clinical trials. Br J Haematol 2009; 144:571-9. [DOI: 10.1111/j.1365-2141.2008.07492.x] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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170
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Bone marrow transplantation: new approaches to immunosuppression and management of acute graft-versus-host disease. Curr Opin Pediatr 2009; 21:30-8. [PMID: 19242239 DOI: 10.1097/mop.0b013e3283207b2f] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE OF REVIEW Acute graft-versus-host disease (GVHD) significantly limits the application and the success of allogeneic hematopoietic stem cell transplantation (HSCT). Novel therapies that target the aberrant immune response underlying GVHD are reviewed with particular emphasis on immunomodulatory agents currently incorporated into clinical trials. In addition, regenerative stromal cellular therapy (RSCT) is discussed as an emerging form of novel GVHD therapy. RECENT FINDINGS Knowledge for transplant immunology, particularly as it relates to underlying pathophysiology of GVHD, has dramatically increased over the last decade. As a result, new immunomodulatory therapies have been used to treat steroid-refractory GVHD. However, their success has been limited by their lack of clinical experience during HSCT as well as by their associated toxicity profiles. RSCT uniquely offers the potential to enhance donor-derived hematopoiesis and immunity and to ameliorate adverse sequelae associated with GVHD. SUMMARY An exciting era incorporating the use of cellular therapeutics during HSCT has arrived. As the experience and understanding for cellular therapies, in general, and RSCT, in particular, increases, so too will their success in benefiting the HSCT recipient beyond limitations of current pharmaceutical agents.
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171
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Large scale production of stem cells and their derivatives. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2009; 114:201-35. [PMID: 19513633 DOI: 10.1007/10_2008_27] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Stem cells have been envisioned to become an unlimited cell source for regenerative medicine. Notably, the interest in stem cells lies beyond direct therapeutic applications. They might also provide a previously unavailable source of valuable human cell types for screening platforms, which might facilitate the development of more efficient and safer drugs. The heterogeneity of stem cell types as well as the numerous areas of application suggests that differential processes are mandatory for their in vitro culture. Many of the envisioned applications would require the production of a high number of stem cells and their derivatives in scalable, well-defined and potentially clinical compliant manner under current good manufacturing practice (cGMP). In this review we provide an overview on recent strategies to develop bioprocesses for the expansion, differentiation and enrichment of stem cells and their progenies, presenting examples for adult and embryonic stem cells alike.
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Rowlands AS, George PA, Cooper-White JJ. Directing osteogenic and myogenic differentiation of MSCs: interplay of stiffness and adhesive ligand presentation. Am J Physiol Cell Physiol 2008; 295:C1037-44. [DOI: 10.1152/ajpcell.67.2008] [Citation(s) in RCA: 412] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mechanical properties of the extracellular matrix (ECM) can exert significant influence in determining cell fate. Human mesenchymal stem cells (MSCs) grown on substrates with varying stiffness have been shown to express various cell lineage markers, without the use of toxic DNA demethylation agents or complex cocktails of expensive growth factors. Here we investigated the myogenic and osteogenic potential of various polyacrylamide gel substrates that were coated with covalently bound tissue-specific ECM proteins (collagen I, collagen IV, laminin, or fibronectin). The gel-protein substrates were shown to support the growth and proliferation of MSCs in a stiffness-dependent manner. Higher stiffness substrates encouraged up to a 10-fold increase in cell number over lower stiffness gels. There appears to be definitive interplay between substrate stiffness and ECM protein with regard to the expression of both osteogenic and myogenic transcription factors by MSCs. Of the 16 gel-protein combinations investigated, osteogenic differentiation was found to occur significantly only on collagen I-coated gels with the highest modulus gel tested (80 kPa). Myogenic differentiation occurred on all gel-protein combinations that had stiffnesses >9 kPa but to varying extents as ascertained by MyoD1 expression. Peak MyoD1 expression was seen on gels with a modulus of 25 kPa coated in fibronectin, with similar levels of expression observed on 80-kPa collagen I-coated gels. The modulation of myogenic and osteogenic transcription factors by various ECM proteins demonstrates that substrate stiffness alone does not direct stem cell lineage specification. This has important implications in the development of tailored biomaterial systems that more closely mimic the microenvironment found in native tissues.
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Isolation, characterisation and osteogenic potential of human bone marrow stromal cells derived from the medullary cavity of the femur. ACTA ACUST UNITED AC 2008; 92:97-103. [DOI: 10.1007/s12306-008-0057-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2008] [Accepted: 09/02/2008] [Indexed: 12/12/2022]
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Brissova M, Powers AC. Revascularization of transplanted islets: can it be improved? Diabetes 2008; 57:2269-71. [PMID: 18753672 PMCID: PMC2518476 DOI: 10.2337/db08-0814] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2008] [Accepted: 06/19/2008] [Indexed: 12/12/2022]
Affiliation(s)
- Marcela Brissova
- Department of Medicine, Division of Diabetes, Endocrinology, Vanderbilt University, Nashville, Tennessee, USA
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175
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Abstract
Mesenchymal stromal cells (MSCs) originally isolated from bone marrow have been derived from almost every tissue in the body. These multipotent cells can be differentiated in vitro and in vivo into various cell types of mesenchymal origin, such as bone, fat, and cartilage. Furthermore, under some experimental conditions, these cells can differentiate into a wider variety of cell types. Upon systemic administration, ex vivo expanded MSCs preferentially home to damaged tissues and participate in regeneration processes through their diverse biological properties. In vitro and in vivo data suggest that MSCs have low inherent immunogenicity and modulate/suppress immunologic responses through interactions with different immune cells. Ease of isolation and ex vivo expansion of MSCs, combined with their intriguing differentiation and immunomodulatory potential, and their impressive record of safety in clinical trials make these cells prime candidates for cellular therapy. Mesenchymal stromal cells derived from bone marrow are currently being evaluated for a wide range of clinical applications including for treatment of immune dysregulation disorders such as acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation. In the future, MSCs might potentially provide novel therapeutic options for treatment/prevention of rejection and/or repair of organ allografts through their multifaceted properties.
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Affiliation(s)
- Peiman Hematti
- Department of Medicine, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI 53792, USA.
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Brooke G, Rossetti T, Ilic N, Murray P, Hancock S, Pelekanos R, Atkinson K. Points to Consider in Designing Mesenchymal Stem Cell-Based Clinical Trials. ACTA ACUST UNITED AC 2008; 35:279-285. [PMID: 21512643 DOI: 10.1159/000143158] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2008] [Accepted: 07/03/2008] [Indexed: 01/07/2023]
Abstract
SUMMARY: Therapeutic applications of cells are likely to increase greatly in the future. Cell and cell-based gene therapy manufacturing facilities need to be purpose-designed and accredited by their national medicinal regulatory body. Production scientists need to work in close tandem with quality assurance and ethics committees to absolutely ensure the safety of new cellular products. In this review, we consider the need for preclinical safety and efficacy data, tissue source for manufacture of clinical grade human mesenchymal stem cells, aseptic tissue processing, indemnification, and the role of the national medicinal regulatory body in appropriate clinical trial design.
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Affiliation(s)
- Gary Brooke
- Mater Medical Research Institute, Brisbane, Queensland, Australia
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