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Tang RF, Zhou XZ, Niu L, Qi YY. Type I collagen scaffold with WNT5A plasmid for in situ cartilage tissue engineering. Biomed Mater Eng 2021; 33:65-76. [PMID: 34366316 DOI: 10.3233/bme-211277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Cartilage tissue lacks the ability to heal. Cartilage tissue engineering using cell-free scaffolds has been increasingly used in recent years. OBJECTIVE This study describes the use of a type I collagen scaffold combined with WNT5A plasmid to promote chondrocyte proliferation and differentiation in a rabbit osteochondral defect model. METHODS Type I collagen was extracted and fabricated into a collagen scaffold. To improve gene transfection efficiency, a cationic chitosan derivative N,N,N-trimethyl chitosan chloride (TMC) vector was used. A solution of TMC/WNT5A complexes was adsorbed to the collagen scaffold to prepare a WNT5A scaffold. Osteochondral defects were created in the femoral condyles of rabbits. The rabbits were divided into defect, scaffold, and scaffold with WNT5A groups. At 6 and 12 weeks after creation of the osteochondral defects, samples were collected from all groups for macroscopic observation and gene expression analysis. RESULTS Samples from the defect group exhibited incomplete cartilage repair, while those from the scaffold and scaffold with WNT5A groups exhibited "preliminary cartilage" covering the defect. Cartilage regeneration was superior in the scaffold with WNT5A group compared to the scaffold group. Safranin O staining revealed more proteoglycans in the scaffold and scaffold with WNT5A groups compared to the defect group. The expression levels of aggrecan, collagen type II, and SOX9 genes were significantly higher in the scaffold with WNT5A group compared to the other two groups. CONCLUSIONS Type I collagen scaffold showed effective adsorption and guided the three-dimensional arrangement of stem cells. WNT5A plasmid promoted cartilage repair by stimulating the expression of aggrecan, type II collagen, and SOX9 genes and proteins, as well as inhibiting cartilage hypertrophy.
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Affiliation(s)
- Ruo-Fu Tang
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Xiao-Zhong Zhou
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Lie Niu
- Department of Orthopedics, Dongping People's Hospital, ShanDong, China
| | - Yi-Ying Qi
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
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Retinoic Acid Signal Negatively Regulates Osteo/Odontogenic Differentiation of Dental Pulp Stem Cells. Stem Cells Int 2020; 2020:5891783. [PMID: 32676119 PMCID: PMC7336240 DOI: 10.1155/2020/5891783] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 03/06/2020] [Indexed: 12/21/2022] Open
Abstract
Retinoic acid (RA) signal is involved in tooth development and osteogenic differentiation of mesenchymal stem cells (MSCs). Dental pulp stem cells (DPSCs) are one of the useful MSCs in tissue regeneration. However, the function of RA in osteo/odontogenic differentiation of DPSCs remains unclear. Here, we investigated the expression pattern of RA in miniature pig tooth germ and intervened in the RA signal during osteo/odontogenic differentiation of human DPSCs. Deciduous canine (DC) germs of miniature pigs were observed morphologically, and the expression patterns of RA were studied by in situ hybridization (ISH). Human DPSCs were isolated and cultured in osteogenic induction medium with or without RA or BMS 493, an inverse agonist of the pan-retinoic acid receptors (pan-RARs). Alkaline phosphatase (ALP) activity assays, alizarin red staining, quantitative calcium analysis, CCK8 assay, osteogenesis-related gene expression, and in vivo transplantation were conducted to determine the osteo/odontogenic differentiation potential and proliferation potential of DPSCs. We found that the expression of RARβ and CRABP2 decreased during crown calcification of DCs of miniature pigs. Activation of RA signal in vitro inhibited ALP activities and mineralization of human DPSCs and decreased the mRNA expression of ALP, osteocalcin, osteopontin, and a transcription factor, osterix. With BMS 493 treatment, the results were opposite. Interference in RA signal decreased the proliferation of DPSCs. In vivo transplantation experiments suggested that osteo/odontogenic differentiation potential of DPSCs was enhanced by inversing RA signal. Our results demonstrated that downregulation of RA signal promoted osteo/odontogenic differentiation of DPSCs and indicated a potential target pathway to improve tissue regeneration.
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Villatoro AJ, Claros S, Fernández V, Alcoholado C, Fariñas F, Moreno A, Becerra J, Andrades JA. Safety and efficacy of the mesenchymal stem cell in feline eosinophilic keratitis treatment. BMC Vet Res 2018; 14:116. [PMID: 29587744 PMCID: PMC5870249 DOI: 10.1186/s12917-018-1413-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 03/06/2018] [Indexed: 01/07/2023] Open
Abstract
Background Feline eosinophilic keratitis (FEK) is a chronic keratopathy caused by a suspected immune mediated response to an unknown antigenic stimulus. The purpose of this study was to investigate the safety and therapeutic effects of allogeneic feline adipose-derived mesenchymal stromal cells (fAd-MSCs) implanted subconjunctival around the ocular surface lesion in five cats with FEK refractory to current available treatments. Results FEK was diagnosed by clinical appearance and evidence of eosinophil and/or mast cells in corneal cytology. Each animal was treated with two applications of 2 × 106 million of fAd-MSCs 2 months apart. Ocular surface integrity was assessed before treatment and at 1, 3, 6 and 11 months after treatment. Clinical signs showed a significant change during the follow-up with resolution of the corneal and conjunctiva lesions and there were no signs of regression or worsening. Conclusions Implanted cells were well-tolerated and effective reducing clinical signs of FEK with a sustained effect during the study period. None of the animals showed systemic or local complications during the study. To our knowledge, this is the first time in literature that local implantation of allogeneic fAd-MSCs has been found as an effective therapeutic alternative to treat cats with FEK.
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Affiliation(s)
- Antonio J Villatoro
- ImmuneStem, Instituto de Inmunología Clínica y Terapia Celular, 29018, Málaga, Spain.,Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain
| | - Silvia Claros
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain.,Networking Biomedical Research Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029, Madrid, Spain
| | - Viviana Fernández
- ImmuneStem, Instituto de Inmunología Clínica y Terapia Celular, 29018, Málaga, Spain.,Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain
| | - Cristina Alcoholado
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain.,Networking Biomedical Research Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029, Madrid, Spain
| | - Fernando Fariñas
- ImmuneStem, Instituto de Inmunología Clínica y Terapia Celular, 29018, Málaga, Spain.,Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain
| | - Antonio Moreno
- Hospital veterinario Alhaurín el Grande. Alhaurín el Grande, 29120, Málaga, Spain
| | - José Becerra
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain.,Networking Biomedical Research Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029, Madrid, Spain.,Laboratory of Bioengineering and Tissue Regeneration, Andalusian Center for Nanomedicine and Biotechnology-BIONAND, 29590, Málaga, Spain
| | - José A Andrades
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Biomedicine Research Institute of Malaga (IBIMA), Campus Universitario de Teatinos, 29071, Málaga, Spain. .,Networking Biomedical Research Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029, Madrid, Spain.
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Hayrapetyan A, Bongio M, Leeuwenburgh SCG, Jansen JA, van den Beucken JJJP. Effect of Nano-HA/Collagen Composite Hydrogels on Osteogenic Behavior of Mesenchymal Stromal Cells. Stem Cell Rev Rep 2017; 12:352-64. [PMID: 26803618 PMCID: PMC4879177 DOI: 10.1007/s12015-016-9644-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This study aimed to comparatively evaluate the in vitro effect of nanosized hydroxyapatite and collagen (nHA/COL) based composite hydrogels (with different ratios of nHA and COL) on the behavior of human mesenchymal stromal cells (MSCs), isolated from either adipose tissue (AT-MSCs) or bone marrow (BM-MSCs). We hypothesized that (i) nHA/COL composite hydrogels would promote the osteogenic differentiation of MSCs in an nHA concentration dependent manner, and that (ii) AT-MSCs would show higher osteogenic potential compared to BM-MSCs, due to their earlier observed higher proliferation and osteogenic differentiation potential in 2D in vitro cultures [1]. The obtained results indicated that AT-MSCs show indeed high proliferation, differentiation and mineralization capacities in nHA/COL constructs compared to BM-MSCs, but this effect was irrespective of nHA concentration. Based on the results of alkaline phosphatase (ALP) activity and osteocalcin (OCN) protein level, the osteogenic differentiation of BM-MSCs started in the beginning of the culture period and for AT-MSCs at the end of the culture period. At a molecular level, both cell types showed high expression of osteogenic markers (bone morphogenic protein 2 [BMP2], runt-related transcription factor 2 [RUNX2], OCN or COL1) in both an nHA concentration and time dependent manner. In conclusion, AT-MSCs demonstrated higher osteogenic potential in nHA/COL based 3D micro-environments compared to BM-MSCs, in which proliferation and osteogenic differentiation were highly promoted in a time dependent manner, irrespective of nHA amount in the constructs. The fact that AT-MSCs showed high proliferation and mineralization potential is appealing for their application in future pre-clinical research as an alternative cell source for BM-MSCs.
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Affiliation(s)
- Astghik Hayrapetyan
- Department of Biomaterials, Radboudumc, Ph van Leijdenlaan 25, 6525 ex, Nijmegen, The Netherlands
| | - Matilde Bongio
- Department of Biomaterials, Radboudumc, Ph van Leijdenlaan 25, 6525 ex, Nijmegen, The Netherlands
| | - Sander C G Leeuwenburgh
- Department of Biomaterials, Radboudumc, Ph van Leijdenlaan 25, 6525 ex, Nijmegen, The Netherlands
| | - John A Jansen
- Department of Biomaterials, Radboudumc, Ph van Leijdenlaan 25, 6525 ex, Nijmegen, The Netherlands
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Use of adipose-derived mesenchymal stem cells in keratoconjunctivitis sicca in a canine model. BIOMED RESEARCH INTERNATIONAL 2015; 2015:527926. [PMID: 25802852 PMCID: PMC4352730 DOI: 10.1155/2015/527926] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Revised: 10/22/2014] [Accepted: 10/23/2014] [Indexed: 12/20/2022]
Abstract
Keratoconjunctivitis sicca (KCS) or dry eye disease (DED) is an immune-mediated multifactorial disease, with high level of prevalence in humans and dogs. Our aim in this study was to investigate the therapeutic effects of allogeneic adipose-derived mesenchymal stromal cells (Ad-MSCs) implanted around the lacrimal glands in 12 dogs (24 eyes) with KCS, which is refractory to current available treatments. Schirmer tear test (STT) and ocular surface integrity were assessed at 0 (before treatment), 3, 6, and 9 months after treatment. Average STT values and all clinical signs showed a statistically significant change (P < 0.001) during the follow-up with reduction in all ocular parameters scored: ocular discharge, conjunctival hyperaemia, and corneal changes, and there were no signs of regression or worsening. Implanted cells were well tolerated and were effective reducing clinical signs of KCS with a sustained effect during the study period. None of the animals showed systemic or local complications during the study. To our knowledge, this is the first time in literature that implantation of allogeneic Ad-MSCs around lacrimal glands has been found as an effective therapeutic alternative to treat dogs with KCS. These results could reinforce a good effective solution to be extrapolated to future studies in human.
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Computational study and experimental validation of porous structures fabricated by electron beam melting: A challenge to avoid stress shielding. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 45:89-93. [DOI: 10.1016/j.msec.2014.08.050] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 07/23/2014] [Accepted: 08/29/2014] [Indexed: 11/19/2022]
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Claros S, Rico-Llanos GA, Becerra J, Andrades JA. A novel human TGF-β1 fusion protein in combination with rhBMP-2 increases chondro-osteogenic differentiation of bone marrow mesenchymal stem cells. Int J Mol Sci 2014; 15:11255-74. [PMID: 24968268 PMCID: PMC4139781 DOI: 10.3390/ijms150711255] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Revised: 06/03/2014] [Accepted: 06/10/2014] [Indexed: 01/06/2023] Open
Abstract
Transforming growth factor-beta (TGF-β) is involved in processes related to the differentiation and maturation of osteoprogenitor cells into osteoblasts. Rat bone marrow (BM) cells were cultured in a collagen-gel containing 0.5% fetal bovine serum (FBS) for 10 days in the presence of rhTGF (recombinant human TGF)-β1-F2, a fusion protein engineered to include a high-affinity collagen-binding decapeptide derived from von Willebrand factor. Subsequently, cells were moderately expanded in medium with 10% FBS for 4 days and treated with a short pulse of rhBMP (recombinant human bone morphogenetic protein)-2 for 4 h. During the last 2 days, dexamethasone and β-glycerophosphate were added to potentiate osteoinduction. Concomitant with an up-regulation of cell proliferation, DNA synthesis levels were determined. Polymerase chain reaction was performed to reveal the possible stemness of these cells. Osteogenic differentiation was evaluated in terms of alkaline phosphatase activity and mineralized matrix formation as well as by mRNA expression of osteogenic marker genes. Moreover, cells were placed inside diffusion chambers and implanted subcutaneously into the backs of adult rats for 4 weeks. Histological study provided evidence of cartilage and bone-like tissue formation. This experimental procedure is capable of selecting cell populations from BM that, in the presence of rhTGF-β1-F2 and rhBMP-2, achieve skeletogenic potential in vitro and in vivo.
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Affiliation(s)
- Silvia Claros
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain.
| | - Gustavo A Rico-Llanos
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain.
| | - José Becerra
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain.
| | - José A Andrades
- Laboratory of Bioengineering and Tissue Regeneration (LABRET), Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain.
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8
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Wang Y, Wang F, Zhao H, Zhang X, Chen H, Zhang K. Human adipose-derived mesenchymal stem cells are resistant to HBV infection during differentiation into hepatocytes in vitro. Int J Mol Sci 2014; 15:6096-110. [PMID: 24727377 PMCID: PMC4013618 DOI: 10.3390/ijms15046096] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 03/26/2014] [Accepted: 03/26/2014] [Indexed: 12/28/2022] Open
Abstract
The therapeutic methods for chronic hepatitis B are limited. The shortage of organ donors and hepatitis B virus (HBV) reinfection obstruct the clinical application of orthotopic liver transplantation (OLT). In the present study, adipose-derived mesenchymal stem cells (AD-MSCs) and bone marrow-derived mesenchymal stem cells (BM-MSCs) were isolated from chronic hepatitis B patients and characterized for morphology, growth potency, surface phenotype and the differentiation potential. The results showed that both MSCs had adipogenic, osteogenic and neuron differentiation potential, and nearly all MSCs expressed CD105, CD44 and CD29. Compared with AD-MSCs, BM-MSCs of chronic hepatitis B patients proliferated defectively. In addition, the ability of AD-MSCs to differentiate into hepatocyte was evaluated and the susceptibility to HBV infection were assessed. AD-MSCs could differentiate into functional hepatocyte-like cells. These cells express the hepatic-specific markers and have glycogen production and albumin secretion function. AD-MSCs and hepatic differentiation AD-MSCs were not susceptible to infection by HBV in vitro. Compared with BM-MSCs, AD-MSCs may be alternative stem cells for chronic hepatitis B patients.
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Affiliation(s)
- Ying Wang
- Infection Department, First Hospital of Jilin University, Changchun 130021, Jilin, China.
| | - Feng Wang
- Infection Department, First Hospital of Jilin University, Changchun 130021, Jilin, China.
| | - Hongchang Zhao
- Biochemical Laborarory, Changchun Medical Emergency Center, Changchun 130062, Jilin, China.
| | - Xiaohe Zhang
- Central Laboratory, Hepatobiliary Disease Hospital of Jilin Province, Changchun 130062, Jilin, China.
| | - Haiying Chen
- Infection Department, First Hospital of Jilin University, Changchun 130021, Jilin, China.
| | - Kaiyu Zhang
- Infection Department, First Hospital of Jilin University, Changchun 130021, Jilin, China.
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Choi MK, Seong I, Kang SA, Kim J. Down-regulation of Sox11 is required for efficient osteogenic differentiation of adipose-derived stem cells. Mol Cells 2014; 37:337-44. [PMID: 24722414 PMCID: PMC4012083 DOI: 10.14348/molcells.2014.0021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 03/06/2014] [Accepted: 03/07/2014] [Indexed: 01/09/2023] Open
Abstract
Adipose-derived stem cells represent a type of mesenchymal stem cells with the attendant capacity to self-renew and differentiate into multiple cell lineages. We have performed a microarray-based gene expression profiling of osteogenic differentiation and found that the transcription factor Sox11 is down-regulated during the process. Functional assays demonstrate that down-regulation of Sox11 is required for an efficient differentiation. Furthermore, results from forced expression of constitutively-active and dominant-negative derivatives of Sox11 indicate that Sox11 functions as a transcriptional activator in inhibiting osteogenesis. Sox11 thus represents a novel regulator of osteogenesis whose expression and activity can be potentially manipulated for controlled differentiation.
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Affiliation(s)
- Mi Kyung Choi
- Department of Life Science, Ewha Womans University, Seoul 120-750,
Korea
| | - Ikjoo Seong
- Department of Life Science, Ewha Womans University, Seoul 120-750,
Korea
- Ewha Research Center for Systems Biology, Seoul 120-750,
Korea
| | - Seon Ah Kang
- Department of Life Science, Ewha Womans University, Seoul 120-750,
Korea
| | - Jaesang Kim
- Department of Life Science, Ewha Womans University, Seoul 120-750,
Korea
- Ewha Research Center for Systems Biology, Seoul 120-750,
Korea
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Yang P, Huang X, Wang C, Dang X, Wang K. Repair of bone defects using a new biomimetic construction fabricated by adipose-derived stem cells, collagen I, and porous beta-tricalcium phosphate scaffolds. Exp Biol Med (Maywood) 2013; 238:1331-43. [PMID: 24157587 DOI: 10.1177/1535370213505827] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Adipose derived stem cells (ASCs) with multilineage differentiation capacities have been demonstrated as an alternative cell candidate for in vitro and in vivo bone regeneration. This suggests that they may be a potential candidate to repair the bone defects. We attempted to demonstrate the use of new biomimetic constructions of undifferentiated rabbit adipose-derived stem cells (rASCs) with fully interconnected porous beta-tricalcium phosphate (β-TCP) scaffolds encapsulated by collagen I hydrogel in the regeneration of a critical-sized defect of rabbit radii. Critical-sized defects in the left radii of rabbits were prepared and inserted with rASCs/collagen I/β-TCP scaffold composites or collagen I/β-TCP scaffold composites. The results were evaluated by histology, radiographs, micro-CT, Emission Computed Tomography (ECT), fluorochrome labeling, western blot, and mechanical testing at 4, 8, and 12 weeks postsurgery. Twelve weeks after implantation, the defects were almost completely repaired as confirmed by the presence of the cortical bone and medullary cavity, which was evaluated through radiologic, histologic, and biomechanical examination. Biodegradation of the biomaterials may be attributed to extracellular liquid dissolution together with cell-mediated phagocytosis. Our study shows that a greater number of rASCs in the porous β-TCP scaffold encapsulated by collagen I gel enhanced osteogenesis in critical-sized defects. We hope to garner new insight into the engineering of rASCs-based bone tissue for clinical application.
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Affiliation(s)
- Pei Yang
- Department of Orthopaedics, the Second Affiliated Hospital of Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710004, China
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Wang Y, Yan M, Wang Z, Wu J, Wang Z, Zheng Y, Yu J. Dental pulp stem cells from traumatically exposed pulps exhibited an enhanced osteogenic potential and weakened odontogenic capacity. Arch Oral Biol 2013; 58:1709-17. [PMID: 24112738 DOI: 10.1016/j.archoralbio.2013.09.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 08/22/2013] [Accepted: 09/02/2013] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Traumatic pulp exposure can bring about some permanent damages to tooth tissues including dental pulps. This study was designed to evaluate the effects of traumatic pulp exposure on the osteo/odontogenic capacity of dental pulp stem cells (DPSCs). METHODS Rat incisors were artificially fractured and dental pulps were exposed to the oral environment for 48 h. Then, multi-colony-derived DPSCs from the injured pulps (iDPSCs) were isolated. Their osteo/odontogenic differentiation and the involvement of NF-κB pathway were subsequently investigated. RESULTS iDPSCs presented a lower proliferative capacity than normal DPSCs (nDPSCs), as indicated by MTT and FCM assay. ALP levels in iDPSCs were significantly higher (P<0.01) than those in nDPSCs. Alizarin red staining revealed that iDPSCs exhibited an increased capacity of calcium deposition. Moreover, iDPSCs expressed stronger osteogenic markers (Runx2/RUNX2 and Ocn/OCN) and less odontogenic gene/protein (Dspp/DSP) than nDPSCs in vitro. In vivo transplantation showed that nDPSCs implants generated the typical dentine-pulp complex while all iDPSCs pellets formed the osteodentin-like tissues which were immunopositive for OCN. Mechanistically, iDPSCs expressed the higher levels of cytoplasmic phosphorylated IκBα/P65 and nuclear P65 than nDPSCs, indicating an active cellular NF-κB pathway in iDPSCs. After the inhibition of NF-κB pathway, the osteogenic potential in iDPSCs was significantly down-regulated while odontogenic differentiation was up-regulated, as indicated by the decreased Alp/Runx2/Ocn and uprised Dspp expression. CONCLUSIONS Pulp exposure for 48 h decreased the odontogenic capacity and enhanced the osteogenic potential of DPSCs via the NF-κB signalling pathway.
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Affiliation(s)
- Yanping Wang
- Institute of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu 210029, China; Endodontic Department, The Affiliated Stomatological Hospital of Soochow University, Suzhou Stomatological Hospital, 1505 Renmin Road, Suzhou, Jiangsu 215005, China
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Ma J, Yang F, Both SK, Kersten-Niessen M, Bongio M, Pan J, Cui FZ, Kasper FK, Mikos AG, Jansen JA, van den Beucken JJJP. Comparison of cell-loading methods in hydrogel systems. J Biomed Mater Res A 2013; 102:935-46. [PMID: 23650286 DOI: 10.1002/jbm.a.34784] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2013] [Revised: 04/20/2013] [Accepted: 04/26/2013] [Indexed: 12/31/2022]
Abstract
Bone regenerative medicine, based on the combined use of cells and scaffolds, represents a promising strategy in bone regeneration. Hydrogels have attracted huge interests for application as a scaffold for minimally invasive surgery. Collagen and oligo(poly(ethylene glycol)fumarate) (OPF) hydrogels are the representatives of two main categories of hydrogels, that is, natural- and synthetic-based hydrogels. With these the optimal cell-loading (i.e., cell distribution inside the hydrogels) method was assessed. The cell behavior of both bone marrow- and adipose tissue-derived mesenchymal stem cells (BM- and AT-MSCs) in three loading methods, which are dispersed (i.e., homogeneous cell encapsulation, D), sandwich (i.e., cells located in between two hydrogel layers, S), and spheroid (i.e., cell pellets encapsulation, Sp) loading in two hydrogel systems (i.e., collagen and OPF), was compared. The results suggested that the cell behavior was influenced by the hydrogel type, meaning cells cultured in collagen hydrogels had higher proliferation and osteogenic differentiation capacity than in OPF hydrogels. In addition, AT-MSCs exhibited higher proliferation and osteogenic properties compared to BM-MSCs. However, no difference was observed for mineralization among the three loading methods, which did not approve the hypothesis that S and Sp loading would increase osteogenic capacity compared to D loading. In conclusion, D and Sp loading represents two promising cell loading methods for injectable bone substitute materials that allow application of minimally invasive surgery for cell-based regenerative treatment.
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Affiliation(s)
- Jinling Ma
- Department of Biomaterials, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands; Department of Oral and Maxillofacial Surgery, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
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A promising injectable scaffold: The biocompatibility and effect on osteogenic differentiation of mesenchymal stem cells. BIOTECHNOL BIOPROC E 2013. [DOI: 10.1007/s12257-012-0429-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Choi YJ, Lee JY, Chung CP, Park YJ. Enhanced osteogenesis by collagen-binding peptide from bone sialoproteinin vitroandin vivo. J Biomed Mater Res A 2012; 101:547-54. [DOI: 10.1002/jbm.a.34356] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Revised: 05/08/2012] [Accepted: 05/25/2012] [Indexed: 11/11/2022]
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Requicha JF, Viegas CA, Albuquerque CM, Azevedo JM, Reis RL, Gomes ME. Effect of Anatomical Origin and Cell Passage Number on the Stemness and Osteogenic Differentiation Potential of Canine Adipose-Derived Stem Cells. Stem Cell Rev Rep 2012; 8:1211-22. [DOI: 10.1007/s12015-012-9397-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Guerado E, Andrist T, Andrades J, Santos L, Cerván A, Guerado G, Becerra J. Spinal arthrodesis. Basic science. Rev Esp Cir Ortop Traumatol (Engl Ed) 2012. [DOI: 10.1016/j.recote.2012.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Guerado E, Andrist T, Andrades JA, Santos L, Cerván A, Guerado G, Becerra J. [Spinal arthrodesis. basic science]. Rev Esp Cir Ortop Traumatol (Engl Ed) 2012; 56:227-44. [PMID: 23594811 DOI: 10.1016/j.recot.2012.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Accepted: 01/19/2012] [Indexed: 01/01/2023] Open
Abstract
Spinal arthrodesis consists of a combination of a system of mechanical stabilisation of one or more vertebral segments with a biological substance that promotes osteoneogenesis, with aim of achieving the permanent fusion between areas more or less the same size of these segments. In spinal arthrodesis, the biological support par excellence is the autograft. However, obtaining this involves a high incidence of morbidity and, in cases of arthrodesis of more than one intervertebral space, the quantity available is usually insufficient. The extraction and implantation time prolongs the surgery, increasing the exposure to and risk of bleeding and infection. For these reasons, there is a search for substances that possess the properties of the autograft, avoiding the morbidity and added surgical time required to extract the autograft. The biomechanical-biological interaction in vertebral arthrodesis has been studied in this article.
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Affiliation(s)
- E Guerado
- Departamento de Cirugía Ortopédica y Traumatología, Hospital Costa del Sol, Universidad de Málaga, Marbella, Málaga, España.
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Okura H, Komoda H, Saga A, Kakuta-Yamamoto A, Hamada Y, Fumimoto Y, Lee CM, Ichinose A, Sawa Y, Matsuyama A. Properties of hepatocyte-like cell clusters from human adipose tissue-derived mesenchymal stem cells. Tissue Eng Part C Methods 2010; 16:761-70. [PMID: 19839740 DOI: 10.1089/ten.tec.2009.0208] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
There are only a few reports that describe the hepatocytic differentiation potential of human adipose tissue-derived mesenchymal stem cells (hADMSCs) and no reports that describe the in vivo functions of hepatocyte-like cells differentiated from somatic stem cells including hADMSCs. In this study, we established a new method for generation of functional hepatocyte-like cell clusters using floating culture method and induced functional hepatocyte-like cell clusters, which functioned effectively not only in vitro but also in vivo. The generated hepatocyte-like cell clusters were characterized by gene expression analysis, functional assays, and transplantation into non-obese diabetic severe combined immunodeficiency (NOD-SCID) mouse with chronic liver injury. The generated hepatocyte-like cell clusters expressed various genes normally found on mature hepatocytes. The cell clusters exhibited functional characteristics of hepatocytes: they expressed albumin, secreted urea, had cytochrome P450 activity, could take up low-density lipoprotein, and stored glycogen. Transplantation of these cell clusters into NOD-SCID mouse with chronic liver injury resulted in a significant improvement of serum albumin and total bilirubin levels. In summary, we established a new protocol for efficient induction of hADMSCs into functional hepatocyte-like cell clusters.
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Affiliation(s)
- Hanayuki Okura
- Department of Somatic Stem Cell Therapy, Institute of Biomedical Research and Innovation, Foundation for Biomedical Research and Innovation, Kobe, Japan
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Guerado E, Cerván A, Ortega J, Rodríguez-Solera M, Andrades J, Zamora P, Cuenca-López M, Prats I, Hernández M, Becerra J. Diseño de un programa de investigación sobre utilización de terapia celular y BMP en artrodesis lumbar. Rev Esp Cir Ortop Traumatol (Engl Ed) 2010. [DOI: 10.1016/s1888-4415(10)70003-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022] Open
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Hao W, Pang L, Jiang M, Lv R, Xiong Z, Hu YY. Skeletal repair in rabbits using a novel biomimetic composite based on adipose-derived stem cells encapsulated in collagen I gel with PLGA-beta-TCP scaffold. J Orthop Res 2010; 28:252-7. [PMID: 19688871 DOI: 10.1002/jor.20969] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In bone tissue engineering, the cell distribution mode in the scaffold may affect in vivo osteogenesis. Therefore, we fabricated a novel biomimetic construct based on a combination of rabbit adipose-derived stem cells (rASCs) encapsulated in collagen I gel with a PLGA-beta-TCP scaffold (rASCs-COL/PLGA-beta-TCP, group A), the combination of rASCs and PLGA-beta-TCP (rASCs/PLGA-beta-TCP, group B), the combination of collagen I gel and PLGA-beta-TCP (COL/PLGA-beta-TCP, group C), and PLGA-beta-TCP scaffold (group D). The composites were implanted into a 15-mm length critical-sized segmental radial defect. The results were assessed by histology, radiographs, bone mineral density (BMD), and mechanical testing. After 24 weeks, the medullary cavity recanalized, bone was rebuilt, and molding finished, the bone contour remodeled smoothly and the scaffold degraded completely in group A. The BMDs and mechanical properties were similar to normal. However, the bone defect remained unrepaired in groups B, C, and D. Moreover, the scaffold degradation rate in group A was significantly higher than the other groups. Thus, enhanced in vivo osteogenesis of rASCs wrapped in collagen I gel combined with PLGA-beta-TCP was achieved, and the bone defect was repaired. We hope this study provides new insights into ASCs-based bone tissue engineering.
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Affiliation(s)
- Wei Hao
- Department of Orthopaedics & Traumatology, Provincial Hospital Affiliated with Shandong University, Ji'nan 250021, Shandong, People's Republic of China.
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