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Di Rocco G, Trivisonno A, Trivisonno G, Toietta G. Dissecting human adipose tissue heterogeneity using single-cell omics technologies. Stem Cell Res Ther 2024; 15:322. [PMID: 39334440 PMCID: PMC11437900 DOI: 10.1186/s13287-024-03931-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Accepted: 09/09/2024] [Indexed: 09/30/2024] Open
Abstract
Single-cell omics technologies that profile genes (genomic and epigenomic) and determine the abundance of mRNA (transcriptomic), protein (proteomic and secretomic), lipids (lipidomic), and extracellular matrix (matrisomic) support the dissection of adipose tissue heterogeneity at unprecedented resolution in a temporally and spatially defined manner. In particular, cell omics technologies may provide innovative biomarkers for the identification of rare specific progenitor cell subpopulations, assess transcriptional and proteomic changes affecting cell proliferation and immunomodulatory potential, and accurately define the lineage hierarchy and differentiation status of progenitor cells. Unraveling adipose tissue complexity may also provide for the precise assessment of a dysfunctional state, which has been associated with cancer, as cancer-associated adipocytes play an important role in shaping the tumor microenvironment supporting tumor progression and metastasis, obesity, metabolic syndrome, and type 2 diabetes mellitus. The information collected by single-cell omics has relevant implications for regenerative medicine because adipose tissue is an accessible source of multipotent cells; alternative cell-free approaches, including the use of adipose tissue stromal cell-conditioned medium, extracellular vesicles, or decellularized extracellular matrix, are clinically valid options. Subcutaneous white adipose tissue, which is generally harvested via liposuction, is highly heterogeneous because of intrinsic biological variability and extrinsic inconsistencies in the harvesting and processing procedures. The current limited understanding of adipose tissue heterogeneity impinges on the definition of quality standards appropriate for clinical translation, which requires consistency and uniformity of the administered product. We review the methods used for dissecting adipose tissue heterogeneity and provide an overview of advances in omics technology that may contribute to the exploration of heterogeneity and dynamics of adipose tissue at the single-cell level.
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Affiliation(s)
- Giuliana Di Rocco
- Unit of Cellular Networks and Molecular Therapeutic Targets, IRCCS Regina Elena National Cancer Institute, 00144, Rome, Italy
| | - Angelo Trivisonno
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168, Rome, Italy
| | | | - Gabriele Toietta
- Tumor Immunology and Immunotherapy Unit, IRCCS Regina Elena National Cancer Institute, Via E. Chianesi, 53, 00144, Rome, Italy.
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2
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Schumacher A, Mucha P, Puchalska I, Deptuła M, Wardowska A, Tymińska A, Filipowicz N, Mieczkowska A, Sachadyn P, Piotrowski A, Pikuła M, Cichorek M. Angiopoietin-like growth factor-derived peptides as biological activators of adipose-derived mesenchymal stromal cells. Biomed Pharmacother 2024; 177:117052. [PMID: 38943988 DOI: 10.1016/j.biopha.2024.117052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024] Open
Abstract
Adipose-derived mesenchymal stromal cells (AD-MSCs) are an essential issue in modern medicine. Extensive preclinical and clinical studies have shown that mesenchymal stromal/stem cells, including AD-MSCs, have specific properties (ability to differentiate into other cells, recruitment to the site of injury) of particular importance in the regenerative process. Ongoing research aims to elucidate factors supporting AD-MSC culture and differentiation in vitro. Angiopoietin-like proteins (ANGPTLs), known for their pleiotropic effects in lipid and glucose metabolism, may play a significant role in this context. Regeneration is a complex and dynamic process controlled by many factors. ANGPTL6 (Angiopoietin-related growth factor, AGF), among many activities modulated the biological activity of stem cells. This study examined the influence of synthesized AGF-derived peptides, designated as AGF9 and AGF27, on AD-MSCs. AGF9 and AGF27 enhanced the viability and migration of AD-MSCs and acted as a chemotactic factor for these cells. AGF9 stimulated chondrogenesis and lipid synthesis during AD-MSCs differentiation, influenced AD-MSCs cytokine secretion and modulated transcriptome for such basic cell activities as migration, transport of molecules, and apoptosis. The ability of AGF9 to modulate the biological activity of AD-MSCs warrants the consideration of this peptide a noteworthy therapeutic agent that deserves further investigation for applications in regenerative medicine.
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Affiliation(s)
- Adriana Schumacher
- Division of Embryology, Medical University of Gdansk, Debinki 1 St, Gdansk 80-211, Poland
| | - Piotr Mucha
- Department of Molecular Biochemistry, University of Gdansk, Wita Stwosza 63 St, Gdansk 80-308, Poland
| | - Izabela Puchalska
- Department of Molecular Biochemistry, University of Gdansk, Wita Stwosza 63 St, Gdansk 80-308, Poland
| | - Milena Deptuła
- Division of Embryology, Laboratory of Tissue Engineering and Regenerative Medicine Medical University of Gdansk, Debinki 1 St, Gdansk 80-211, Poland
| | - Anna Wardowska
- Department of Physiopathology, Medical University of Gdansk, Debinki 7 St, Gdansk 80-211, Poland
| | - Agata Tymińska
- Division of Embryology, Medical University of Gdansk, Debinki 1 St, Gdansk 80-211, Poland
| | - Natalia Filipowicz
- International Research Agenda 3P- Medicine Laboratory, Medical University of Gdansk, Debinki 7 St, Gdansk 80-211, Poland
| | - Alina Mieczkowska
- International Research Agenda 3P- Medicine Laboratory, Medical University of Gdansk, Debinki 7 St, Gdansk 80-211, Poland
| | - Paweł Sachadyn
- Laboratory for Regenerative Biotechnology, Gdansk University of Technology, Narutowicza 11/12 St, Gdansk 80-233, Poland
| | - Arkadiusz Piotrowski
- International Research Agenda 3P- Medicine Laboratory, Medical University of Gdansk, Debinki 7 St, Gdansk 80-211, Poland
| | - Michał Pikuła
- Division of Embryology, Laboratory of Tissue Engineering and Regenerative Medicine Medical University of Gdansk, Debinki 1 St, Gdansk 80-211, Poland
| | - Miroslawa Cichorek
- Division of Embryology, Medical University of Gdansk, Debinki 1 St, Gdansk 80-211, Poland.
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Kim M, Kim JH, Hong S, Lee S, Lee SH, Choi JW, Jung HS, Sohn Y. Dolichos Lablab Linné Inhibits Bone Density Loss and Promotes Bone Union in Senile Osteoporosis through Osteogenesis. Pharmaceuticals (Basel) 2023; 16:1350. [PMID: 37895821 PMCID: PMC10609789 DOI: 10.3390/ph16101350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
As populations continue to age, osteoporosis has emerged as an increasingly critical concern. Most advancements in osteoporosis treatment are predominantly directed toward addressing abnormal osteoclast activity associated with menopause, with limited progress in developing therapies that enhance osteoblast activity, particularly in the context of aging and fractures, and serious side effects associated with existing treatments have highlighted the necessity for natural-product-based treatments targeting senile osteoporosis and fractures. Dolichos lablab Linné (DL) is a natural product traditionally used for gastrointestinal disorders, and its potential role in addressing bone diseases has not been extensively studied. In this research, we investigated the anti-osteoporosis and bone-union-stimulating effects of DL using the SAMP6 model, a naturally aged mouse model. Additionally, we employed MC3T3-E1 cells to validate DL's osteoblast-promoting effect and to assess the involvement of core mechanisms such as the BMP-2/Smad and Wnt/β-catenin pathways. The experimental results revealed that DL promoted the formation of osteoblasts and calcified nodules by upregulating both the BMP-2/Smad and Wnt/β-catenin mechanisms. Based on its observed effects, DL demonstrated the potential to enhance bone mineral density in aged osteoporotic mice and promote bone union in fractured mice. These findings indicate the promising therapeutic potential of DL for the treatment of osteoporosis and bone-related conditions, thus warranting further investigation and potential clinical applications.
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Affiliation(s)
| | | | | | | | | | | | - Hyuk-Sang Jung
- Department of Anatomy, College of Korean Medicine, KyungHee University, Seoul 02-447, Republic of Korea; (M.K.); (J.-H.K.); (S.H.); (S.L.); (S.H.L.); (J.W.C.)
| | - Youngjoo Sohn
- Department of Anatomy, College of Korean Medicine, KyungHee University, Seoul 02-447, Republic of Korea; (M.K.); (J.-H.K.); (S.H.); (S.L.); (S.H.L.); (J.W.C.)
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4
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Ibrahim AA, Yoneis A, Elsakka A, Elwany S. Fat enhanced leukocyte-platelet-rich fibrin versus fascia lata in endoscopic reconstruction of CSF leaks. Eur Arch Otorhinolaryngol 2023; 280:4141-4147. [PMID: 37191915 PMCID: PMC10382364 DOI: 10.1007/s00405-023-08010-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 05/08/2023] [Indexed: 05/17/2023]
Abstract
PURPOSE The aim of this study was to use a new biological active fat enhanced leukocyte-platelet-rich fibrin membrane (L-PRF) for skull base defect reconstruction and compare its validity and reliability with the time-honored fascia lata. METHODS This prospective study was conducted on 48 patients with spontaneous CSF leaks who were divided into 2 matched groups by stratified randomization, 24 patients in each group. In group A we performed multilayer repair using fat enhanced L-PRF membrane. In group B we used fascia lata for the multilayer repair. In both groups we enforced the repair with mucosal grafts/flaps. RESULTS The two groups were statistically matched for age, sex, intracranial pressure, and site and size of the skull base defect. There was no statistically significant difference between the two groups regarding the outcome of the repair or recurrence of CSF leak during the first postoperative year. Meningitis occurred in one patient in group B and was successfully treated. Another patient in group B developed thigh hematoma which resolved spontaneously. CONCLUSION The fat enhanced L-PRF membrane is a valid reliable option in repair of CSF leaks. The membrane is autologous, readily available, easily prepared, and has the advange of including stromal fat, stromal vascular fraction (SVF), and leukocyte-platelet-rich fibrin (L-PRF). The present study showed that fat enhanced L-PRF membrane is stable, non-absorbable, not liable to shrink or become necrotic, and can establish good seal of the skull base defect and further enhance the healing process. The use of the membrane also has the advantage of avoiding thigh incision and possible hematoma formation.
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Affiliation(s)
- Ahmed Aly Ibrahim
- Department of Otolaryngology, Alexandria Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Ahmed Yoneis
- Department of Otolaryngology, Alexandria Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Ahmed Elsakka
- Egyptian Foundation for Metabolic Researches, Alexandria, Egypt
| | - Samy Elwany
- Department of Otolaryngology, Alexandria Faculty of Medicine, Alexandria University, Alexandria, Egypt.
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5
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A Wrong Fate Decision in Adipose Stem Cells upon Obesity. Cells 2023; 12:cells12040662. [PMID: 36831329 PMCID: PMC9954614 DOI: 10.3390/cells12040662] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023] Open
Abstract
Progress has been made in identifying stem cell aging as a pathological manifestation of a variety of diseases, including obesity. Adipose stem cells (ASCs) play a core role in adipocyte turnover, which maintains tissue homeostasis. Given aberrant lineage determination as a feature of stem cell aging, failure in adipogenesis is a culprit of adipose hypertrophy, resulting in adiposopathy and related complications. In this review, we elucidate how ASC fails in entering adipogenic lineage, with a specific focus on extracellular signaling pathways, epigenetic drift, metabolic reprogramming, and mechanical stretch. Nonetheless, such detrimental alternations can be reversed by guiding ASCs towards adipogenesis. Considering the pathological role of ASC aging in obesity, targeting adipogenesis as an anti-obesity treatment will be a key area of future research, and a strategy to rejuvenate tissue stem cell will be capable of alleviating metabolic syndrome.
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6
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DeLuca JH, Reilly SM. Culture and Differentiation of Primary Preadipocytes from Mouse Subcutaneous White Adipose Tissue. Methods Mol Biol 2023; 2662:11-24. [PMID: 37076667 PMCID: PMC10583291 DOI: 10.1007/978-1-0716-3167-6_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2023]
Abstract
Adipocytes are terminally differentiated cells derived from fibroblastic preadipocyte precursors. Here, we describe a method for the isolation and proliferation of preadipocytes from murine subcutaneous white adipose tissue, followed by differentiation in culture to mature adipocytes; we refer to these cells as primary preadipocytes differentiated in vitro (PPDIVs). Compared to adipogenic cell lines, PPDIV metabolism and adipokine secretion more closely resemble in vivo adipocyte biology. While primary mature adipocytes have the greatest in vivo relevance, their fragility and buoyancy make them unsuitable for many cell culture-based methods. PPDIVs can also take advantage of transgenic and knockout mouse models to produce genetically modified adipocytes. Thus, PPDIVs are a valuable resource for studying adipocyte biology in cell culture.
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Affiliation(s)
- Julia H DeLuca
- Virginia Tech Carilion School of Medicine, Roanoke, VA, USA
| | - Shannon M Reilly
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, Weill Center for Metabolic Health, Weill Cornell Medicine, New York, NY, USA.
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7
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Mertz EL, Makareeva E, Mirigian LS, Leikin S. Bone Formation in 2D Culture of Primary Cells. JBMR Plus 2022; 7:e10701. [PMID: 36699640 PMCID: PMC9850442 DOI: 10.1002/jbm4.10701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/15/2022] [Accepted: 10/16/2022] [Indexed: 11/13/2022] Open
Abstract
Relevance of mineralized nodules in two-dimensional (2D) osteoblast/osteocyte cultures to bone biology, pathology, and engineering is a decades old question, but a comprehensive answer appears to be still wanting. Bone-like cells, extracellular matrix (ECM), and mineral were all reported but so were non-bone-like ones. Many studies described seemingly bone-like cell-ECM structures based on similarity to few select bone features in vivo, yet no studies examined multiple bone features simultaneously and none systematically studied all types of structures coexisting in the same culture. Here, we report such comprehensive analysis of 2D cultures based on light and electron microscopies, Raman microspectroscopy, gene expression, and in situ messenger RNA (mRNA) hybridization. We demonstrate that 2D cultures of primary cells from mouse calvaria do form bona fide bone. Cells, ECM, and mineral within it exhibit morphology, structure, ultrastructure, composition, spatial-temporal gene expression pattern, and growth consistent with intramembranous ossification. However, this bone is just one of at least five different types of cell-ECM structures coexisting in the same 2D culture, which vary widely in their resemblance to bone and ability to mineralize. We show that the other two mineralizing structures may represent abnormal (disrupted) bone and cartilage-like structure with chondrocyte-to-osteoblast transdifferentiation. The two nonmineralizing cell-ECM structures may mimic periosteal cambium and pathological, nonmineralizing osteoid. Importantly, the most commonly used culture conditions (10mM β-glycerophosphate) induce artificial mineralization of all cell-ECM structures, which then become barely distinguishable. We therefore discuss conditions and approaches promoting formation of bona fide bone and simple means for distinguishing it from the other cell-ECM structures. Our findings may improve osteoblast differentiation and function analyses based on 2D cultures and extend applications of these cultures to general bone biology and tissue engineering research. Published 2022. This article is a U.S. Government work and is in the public domain in the USA. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Edward L. Mertz
- Eunice Kennedy Shriver National Institute of Health and Human DevelopmentNational Institutes of HealthBethesdaMDUSA
| | - Elena Makareeva
- Eunice Kennedy Shriver National Institute of Health and Human DevelopmentNational Institutes of HealthBethesdaMDUSA
| | - Lynn S. Mirigian
- Eunice Kennedy Shriver National Institute of Health and Human DevelopmentNational Institutes of HealthBethesdaMDUSA
| | - Sergey Leikin
- Eunice Kennedy Shriver National Institute of Health and Human DevelopmentNational Institutes of HealthBethesdaMDUSA
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8
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Vriend L, van Dongen J, Sinkunas V, Brouwer L, Buikema H, Moreira L, Gemperli R, Bongiovanni L, de Bruin A, van der Lei B, Camargo C, Harmsen MC. Limited efficacy of adipose stromal cell secretome-loaded skin-derived hydrogels to augment skin flap regeneration in rats. Stem Cells Dev 2022; 31:630-640. [PMID: 35583223 DOI: 10.1089/scd.2022.0003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Insufficient vascularization is a recurring cause of impaired pedicled skin flap healing. The administration of adipose tissue-derived stromal cells' (ASC) secretome is a novel approach to augment vascularization. Yet, the secretome comprised soluble factors that require a sustained release vehicle to increase residence time. We hypothesized that administration of a hydrogel derived from decellularized extracellular matrix (ECM) of porcine skin with bound trophic factors from ASCs, enhances skin flap viability and wound repair in a rat model. Porcine skin was decellularized and pepsin-digested to form a hydrogel at 37°C. Conditioned medium (CMe) of human ASC was collected, concentrated twentyfold and mixed with the hydrogel. Sixty Wistar rats were included. A dorsal skin flap (caudal based) of 3 x 10 cm was elevated for topical application of: DMEM medium (group I), a pre-hydrogel with or without ASC CMe (group II and III) or ASC CMe (group IV). After 7, 14 and 28 days, perfusion was measured and skin flaps were harvested for wound healing assessment and immunohistochemical analysis. Decellularized skin ECM hydrogel contained negligible amounts of DNA (11.6 ± 0.6 ng/mg), was noncytotoxic and well-tolerated by rats. Irrespective of ASC secretome, ECM hydrogel application resulted macroscopically and microscopically in similar dermal wound healing in terms of proliferation, immune response and matrix remodeling as the control group. However, ASC CMe alone increased vessel density after seven days. Concluding, porcine skin derived ECM hydrogels loaded with ASC secretome are non-cytotoxic but demand optimization to significantly augment wound healing of skin flaps.
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Affiliation(s)
- Linda Vriend
- University Medical Centre Groningen, 10173, Plastic Surgery, Groningen, Netherlands;
| | - Joris van Dongen
- University Medical Center Utrecht, Plastic Surgery, Netherlands;
| | - Viktor Sinkunas
- Universidade of Sao Paulo, Sao Paulo, Brazil, Department of Cardiovascular Surgery, Brazil;
| | - Linda Brouwer
- University of Groningen, University Medical Center Groningen, Department of Pathology & Medical Biology, Netherlands;
| | - Henk Buikema
- University and Medical Center Groningen, The Netherlands, Medical Biology and Pathology, Netherlands;
| | - Luiz Moreira
- Universidade of Sao Paulo, Sao Paulo, Brazil, Department of Cardiovascular Surgery, Brazil;
| | - Rolf Gemperli
- Universidade de São Paulo, São Paulo, Brazil, Department of Surgery, Discipline of Plastic Surgery, Brazil;
| | - Laura Bongiovanni
- University of Groningen, University Medical Center Groningen, Department of Pediatrics, Groningen, the Netherlands, Netherlands.,Utrecht University, Faculty of Veterinary Medicine, Department of Biomolecular Health Sciences, Utrecht, the Netherlands, Netherlands;
| | - Alain de Bruin
- Faculty of Veterinary Medicine, Pathobiology, Utrecht, Netherlands;
| | - Berend van der Lei
- University of Groningen, University Medical Center Groningen, Groningen, the Netherlands, Department of Plastic Surgery, Netherlands;
| | - Cristina Camargo
- Universidade of Sao Paulo, Department of Plastic Surgery Microsurgery and Plastic Surgery laboratory, Sao Paulo, Brazil, Brazil;
| | - Martin C Harmsen
- University of Groningen, Dept. Pathology and Medical Biology, University Medical Center Groningen, Groningen, Netherlands;
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Modification of the alginate hydrogel with fibroblast‐ and Schwann cell‐derived extracellular matrix potentiates differentiation of mesenchymal stem cells toward neuron‐like cells. J Appl Polym Sci 2022. [DOI: 10.1002/app.52501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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10
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Optimization of loading protocols for tissue engineering experiments. Sci Rep 2022; 12:5094. [PMID: 35332169 PMCID: PMC8948220 DOI: 10.1038/s41598-022-08849-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 03/14/2022] [Indexed: 11/08/2022] Open
Abstract
Tissue engineering (TE) combines cells and biomaterials to treat orthopedic pathologies. Maturation of de novo tissue is highly dependent on local mechanical environments. Mechanical stimulation influences stem cell differentiation, however, the role of various mechanical loads remains unclear. While bioreactors simplify the complexity of the human body, the potential combination of mechanical loads that can be applied make it difficult to assess how different factors interact. Human bone marrow-derived mesenchymal stromal cells were seeded within a fibrin-polyurethane scaffold and exposed to joint-mimicking motion. We applied a full factorial design of experiment to investigate the effect that the interaction between different mechanical loading parameters has on biological markers. Additionally, we employed planned contrasts to analyze differences between loading protocols and a linear mixed model with donor as random effect. Our approach enables screening of multiple mechanical loading combinations and identification of significant interactions that could not have been studied using classical mechanobiology studies. This is useful to screen the effect of various loading protocols and could also be used for TE experiments with small sample sizes and further combinatorial medication studies.
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11
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Characterization and functional analysis of the adipose tissue-derived stromal vascular fraction of pediatric patients with osteogenesis imperfecta. Sci Rep 2022; 12:2414. [PMID: 35165317 PMCID: PMC8844034 DOI: 10.1038/s41598-022-06063-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/12/2022] [Indexed: 11/08/2022] Open
Abstract
AbstractPediatric patients with Osteogenesis Imperfecta (OI), a heritable connective tissue disorder, frequently suffer from long bone deformations. Surgical correction often results in bone non-unions, necessitating revision surgery with autogenous bone grafting using bone-marrow-derived stem cells (BM-SC) to regenerate bone. BM-SC harvest is generally invasive and limited in supply; thus, adipose tissue's stromal vascular fraction (SVF) has been introduced as an alternative stem cell reservoir. To elucidate if OI patients' surgical site dissected adipose tissue could be used as autologous bone graft in future, we investigated whether the underlying genetic condition alters SVF's cell populations and in vitro differentiation capacity. After optimizing SVF isolation, we demonstrate successful isolation of SVF of pediatric OI patients and non-OI controls. The number of viable cells was comparable between OI and controls, with about 450,000 per gram tissue. Age, sex, type of OI, disease-causing collagen mutation, or anatomical site of harvest did not affect cell outcome. Further, SVF-containing cell populations were similar between OI and controls, and all isolated SVF's demonstrated chondrogenic, adipogenic, and osteogenic differentiation capacity in vitro. These results indicate that SVF from pediatric OI patients could be used as a source of stem cells for autologous stem cell therapy in OI.
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Furlani F, Rossi A, Grimaudo MA, Bassi G, Giusto E, Molinari F, Lista F, Montesi M, Panseri S. Controlled Liposome Delivery from Chitosan-Based Thermosensitive Hydrogel for Regenerative Medicine. Int J Mol Sci 2022; 23:ijms23020894. [PMID: 35055097 PMCID: PMC8776110 DOI: 10.3390/ijms23020894] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 02/07/2023] Open
Abstract
This work describes the development of an injectable nanocomposite system based on a chitosan thermosensitive hydrogel combined with liposomes for regenerative medicine applications. Liposomes with good physicochemical properties are prepared and embedded within the chitosan network. The resulting nanocomposite hydrogel is able to provide a controlled release of the content from liposomes, which are able to interact with cells and be internalized. The cellular uptake is enhanced by the presence of a chitosan coating, and cells incubated with liposomes embedded within thermosensitive hydrogels displayed a higher cell uptake compared to cells incubated with liposomes alone. Furthermore, the gelation temperature of the system resulted to be equal to 32.6 °C; thus, the system can be easily injected in the target site to form a hydrogel at physiological temperature. Given the peculiar performance of the selected systems, the resulting thermosensitive hydrogels are a versatile platform and display potential applications as controlled delivery systems of liposomes for tissue regeneration.
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Affiliation(s)
- Franco Furlani
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
- Correspondence: (F.F.); (S.P.); Tel.: +39-0546-699-776 (F.F.); +39-0546-699-785 (S.P.)
| | - Arianna Rossi
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Maria Aurora Grimaudo
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Giada Bassi
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Elena Giusto
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Filippo Molinari
- Army Medical Center, Scientific Department, I-00184 Rome, Italy; (F.M.); (F.L.)
| | - Florigio Lista
- Army Medical Center, Scientific Department, I-00184 Rome, Italy; (F.M.); (F.L.)
| | - Monica Montesi
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Silvia Panseri
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
- Correspondence: (F.F.); (S.P.); Tel.: +39-0546-699-776 (F.F.); +39-0546-699-785 (S.P.)
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Adipogenesis of ear mesenchymal stem cells (EMSCs): adipose biomarker-based assessment of genetic variation, adipocyte function, and brown/brite differentiation. Mol Cell Biochem 2022; 477:1053-1063. [PMID: 34997885 DOI: 10.1007/s11010-021-04350-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 12/23/2021] [Indexed: 10/19/2022]
Abstract
Ear mesenchymal stem cells (EMSCs) have been investigated to differentiate into adipocytes, chondrocytes, and muscle cells in vitro. However, the factors controlling adipogenesis of this stem cell population in vitro, function, and type of adipocytes raised from them are still unclear. Here we found that genetics have a modest effect on adipogenic capacity of EMSCs. Adipocytes differentiated from EMSCs have a potential function in lipid metabolism as indicated by expression of lipogenic genes and this function of EMSC adipocytes is regulated by genetics. EMSCs failed to be differentiated into brite/brown adipocytes due to their lack of a thermogenic program, but adipocytes raised from EMSCs showed a fate of white adipocytes. Overall, our data suggest that EMSCs differentiate into functional white adipocytes in vitro and this is genetic-dependent.
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Hong HH, Chou TA, Hong A, Huang YF, Yen TH, Liang CH, Hong A, Hsiao HY, Nien CY. Calcitriol and enamel matrix derivative differentially regulated cementoinduction and mineralization in human periodontal ligament-derived cells. J Periodontol 2021; 93:1553-1565. [PMID: 34837709 DOI: 10.1002/jper.21-0435] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/11/2021] [Accepted: 11/17/2021] [Indexed: 11/11/2022]
Abstract
BACKGROUNDS Alveolar bone and cementum share many biological and developmental similarities. The mineralizing effect of calcitriol has been previously reported. Yet, its cementoinductivity has not been confirmed. This study evaluated the potential cementoinductivity effect of calcitriol and enamel matrix derivative (EMD) on human periodontal ligament-ligament derived cells (hPDCs). METHODS Human PDCs obtained from extracted third molars or premolars were cultured with calcitriol, or EMD. Cementogenic gene expression was examined using RT-qPCR. Expression analysis also included cementoblast-specific markers, Cementum Protein 1 (CEMP1), cementum attachment protein (CAP), and recently reported cementoblast-enriched genes, secreted frizzled related protein 1 (SFRP1), and Dickkopf-related protein 1 (DKK1). Mineralization capacities were evaluated by alkaline phosphatase (ALP) activity, Alizarin Red and Von Kossa staining followed by scanning electron microscope imaging and element mapping. RESULTS Among tested conditions, 10 nM calcitriol enhanced most cementogenic gene expression, Trans-forming growth factor-β1 (TGF-β1), bone morphogenetic proteins (BMP-2 and BMP-4), Core-binding factor subunit alpha-1/Runt-related transcription factor 2 (Cbfa1/RUNX2), Type I collagen (Col-1), Alkaline phosphatase (ALP), Bone sialoprotein (BSP), osteopontin (OPN/SPP1), osteocalcin (OCN), CEMP1 and CAP, and Wnt signaling negative modulators, SFRP1 and DKK1, along with highest ALP activity and mineralization formation in hPDCs. However, only moderate CEMP-1 protein was observed. In contrast, EMD stimulated stronger CEMP-1 and CAP protein, but presented weaker mineralization capacity, hinting at the possibility that strong stimulation of mineralization might dominate cemetogenic specific factors and vice versa. CONCLUSION Calcitriol demonstrated not only great osteoinductivity, but also the potential to induce cementogenic gene expression by initiating hPDC differentiation and promoting mineralization. Compared to calcitriol, EMD promoted cementoinductivity in hPDCs at a later time point via highly expressed CEMP1 and CAP protein, but with less mineralization. Thus, calcitriol and EMD could provide differential enhancement of cementoinduction and mineralization, likely acting at various differentiation stages. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Hsiang-Hsi Hong
- Department of Periodontics, Chang Gung Memorial Hospital and Chang Gung University, Linkou, Taiwan
| | - Ting-An Chou
- Department of Periodontics, Chang Gung Memorial Hospital and Chang Gung University, Linkou, Taiwan
| | - Adrienne Hong
- Valley Consortium for Medical Education, Family Medicine Residency, University of California Davis, Modesto, CA, United States
| | - Yi-Fang Huang
- Department of General Dentistry, Chang Gung Memorial Hospital, Linkou, Taiwan.,School of Dentistry, College of Oral medicine, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Dental and Craniofacial Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tzung-Hai Yen
- Department of Nephrology, Clinical Poison Center, Chang Gung Memorial Hospital and Chang Gung University, Linkou, Taiwan
| | - Chao-Hua Liang
- Department of Prosthodontics, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Alex Hong
- Department of General Dentistry, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Hui-Yi Hsiao
- Center for tissue engineering, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chung-Yi Nien
- Department of Life Sciences, National Central University, Taoyuan, Taiwan
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Zhou X, Yang T, Li X, Wei T, Xu Y, Mao Y, Lei C. The Effect of Nano-Silica Gel on Biological Activity of Osteoblasts and Expression of Insulin-Like and Growth Factor-2. J Biomed Nanotechnol 2021; 17:2259-2264. [PMID: 34906286 DOI: 10.1166/jbn.2021.3189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study assessed the effect nano-silica gel material on bioactivity of osteoblasts and expression of IGF-2. Methods: Silica gel nanoparticles (Nanjing Kike Company) were divided according to their concentrations as follows; 0 μg/mL a control group with cells without nanoparticle treatment, 25 μg/mL as group 1, 50 μg/mL as group 2, and 100 μg/mL as group 3. The transmission electron microscope was used to measure morphology, while particle size analyzer was used to measure particle size, and potential analyzer measured Zeta potential, and MTT measured proliferation.Moreover, ALP kit was used to measure ALP activity, and Alizarin red staining measured formation of wild flower nodules, while RT-PCR was used to measure expression of IGF-2. Results: The shape of silica gel nanoparticles was spherical, with uniform particle size distribution, and particle size was between 50-800 nm. The average particle size was 383 nm, and Zeta potential was -12.3. The growth rate of control group and group 1 was relatively close (t = 0.95, P = 0.37), and growth rate of groups 2 and 3 was higher than control (group t2 = 5.63, P < 0.05, group t3 = 10.38, P < 0.05). The value-added rate for group 3 was higher than group 2 (t = 4.41, P < 0.05). Group 1 had higher activity than control group (t = 10.29, P < 0.05) and lower activity than group 3 (t = 9.85, P < 0.05) which had higher activity than group 2 (t = 4.16, P < 0.05). Groups 1, 2, and 3 induced the growth of osteoblasts, promoted calcium salt deposition, and produced red mineralized nodules where the cells converged. The formation of mineralized nodules obviously depended on concentration of silica nanoparticles. Group 1 had higher IGF-2 expression than control (t = 19.99, P < 0.05) and lower level than group 2 (t = 16.69, P < 0.05). Silica gel nanoparticles promoted MC3T3-E1 cell proliferation and differentiation. The mechanism of action may be that, silica gel nanoparticles accelerate the growth of ALP activity and osteoblast extracellular matrix mineralization by promoting the level of IGF-2. The production of chemical nodules accelerates the proliferation and differentiation of osteoblasts.
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Affiliation(s)
- Xiaoling Zhou
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Ting Yang
- Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Xin Li
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Tingting Wei
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Ying Xu
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Yunyuan Mao
- Department of Geriatrics and Special Needs, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Chen Lei
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
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Roles and action mechanisms of WNT4 in cell differentiation and human diseases: a review. Cell Death Discov 2021; 7:287. [PMID: 34642299 PMCID: PMC8511224 DOI: 10.1038/s41420-021-00668-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/24/2021] [Accepted: 09/20/2021] [Indexed: 02/07/2023] Open
Abstract
WNT family member 4 (WNT4), which belongs to the conserved WNT protein family, plays an important role in the development and differentiation of many cell types during the embryonic development and adult homeostasis. Increasing evidence has shown that WNT4 is a special ligand that not only activates the β-catenin independent pathway but also acts on β-catenin signaling based on different cellular processes. This article is a summary of the current knowledge about the expression, regulation, and function of WNT4 ligands and their signal pathways in cell differentiation and human disease processes. WNT4 is a promoter in osteogenic differentiation in bone marrow stromal cells (BMSCs) by participating in bone homeostasis regulation in osteoporotic diseases. Non-canonical WNT4 signaling is necessary for metabolic maturation of pancreatic β-cell. WNT4 is also necessary for decidual cell differentiation and decidualization, which plays an important role in preeclampsia. WNT4 promotes neuronal differentiation of neural stem cell and dendritic cell (DC) into conventional type 1 DC (cDC1). Besides, WNT4 mediates myofibroblast differentiation in the skin, kidney, lung, and liver during scarring or fibrosis. On the negative side, WNT4 is highly expressed in cancer tissues, playing a pro-carcinogenic role in many cancer types. This review provides an overview of the progress in elucidating the role of WNT4 signaling pathway components in cell differentiation in adults, which may provide useful clues for the diagnosis, prevention, and therapy of human diseases.
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17
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Application of Human Adipose-Derived Stem cells for Bone Regeneration of the Skull in Humans. J Craniofac Surg 2021; 33:360-363. [PMID: 34636755 DOI: 10.1097/scs.0000000000008114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Archeological archives report cranioplasty as 1 of the oldest surgical procedures; however, it was not until the last century that true advances have been made. Alternative approaches are necessary to achieve optimal closure of the defect with fewer adverse effects. We aim to evaluate the use of human adipose-derived stem cells (hADSCs) alone or seeded in scaffolds as the main treatment for cranial bone defects and to assess human patient outcomes. METHODS A systematic review was performed by querying PubMed, Ovid MEDLINE, EMBASE, and Cumulative Index to Nursing and Allied Health Literature databases with the MeSH terms: "adipose-derived stem cells," "cranial bone defect," "stromal vascular factor," "fat grafting," as well as synonyms in combinations determined by our search strategy. We included human models that used hADSCs as primary therapy. We excluded studies in languages other than English. RESULTS One hundred ninety-four studies were identified after removal of duplicates. Four articles that used hADSCs as the main therapy to treat calvarial defects in humans were included. One article applied the cell therapy alone, and 3 used β-tricalcium phosphate granules as a scaffold to seed the hADSCs. CONCLUSIONS Bone regeneration was reached in a short and intermediate period using autologous hADSCs in humans with no major adverse effects in all 4 articles included. A long-term follow-up study (6 years) exhibited late infections and reabsorption of the β-tricalcium phosphate scaffold seeded with hADSCs.
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Čater M, Majdič G. In Vitro Culturing of Adult Stem Cells: The Importance of Serum and Atmospheric Oxygen. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1376:101-118. [PMID: 34426961 DOI: 10.1007/5584_2021_656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Adult stem cells are undifferentiated cells found in many different tissues in the adult human and animal body and are thought to be important for replacing damaged and dead cells during life. Due to their differentiation abilities, they have significant potential for regeneration and consequently therapeutic potential in various medical conditions. Studies on in vitro cultivation of different types of adult stem cells have shown that they have specific requirements for optimal proliferation and stemness maintenance as well as induced differentiation. The main factors affecting the success of stem cell cultivation are the composition of the growth medium, including the presence of serum, temperature, humidity, and contact with other cells and the composition of the atmosphere in which the cells grow. In this chapter, we review the literature and describe our own experience regarding the influence of the presence of fetal bovine serum in the medium and the oxygen concentration in the atmosphere on the stemness maintenance and survival of adult stem cells from various tissue sources such as adipose tissue, muscle, brain, and testicular tissue.
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Affiliation(s)
- Maša Čater
- Laboratory for Animal Genomics, Institute for Preclinical Studies, Veterinary faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Gregor Majdič
- Laboratory for Animal Genomics, Institute for Preclinical Studies, Veterinary faculty, University of Ljubljana, Ljubljana, Slovenia. .,Institute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
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19
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He X, Ao H, Qiao Y, Li Z. 3D-printed porous scaffold promotes osteogenic differentiation of hADMSCs. Open Med (Wars) 2021. [PMID: 33521318 PMCID: PMC7811365 DOI: 10.1515/med-2021-0233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Objective
To explore the role of a three-dimensional (3D)-printed porous titanium alloy scaffold (3D scaffold) in the osteogenic differentiation of human adipose-derived mesenchymal stem cells (hADMSCs) and the underlying mechanism.
Methods
hADMSCs were divided into control and 3D scaffold groups. The osteogenic differentiation of hADMSCs and expression of osteogenic makers were estimated. Based on the information from published articles, five candidate circular RNAs were selected, and among them, hsa_circ_0019142 showed the most promising results. Finally, control group cells were overexpressed or silenced with the hsa_circ_0019142. Then, Alizarin red S (ARS) staining, calcium content analysis and estimation of alkaline phosphatase (ALP), osteocalcin (OCN), runt-related transcription factor 2 (RUNX2), and collagen-1 (COL1) were performed to evaluate the role of hsa_circ_0019142 on osteogenic differentiation.
Results
Osteogenic differentiation of the hADMSCs was significantly higher in the 3D scaffold group than in the control group, as evidenced by ARS staining, increased calcium concentration, and elevated expression of above four osteogenic factors. qPCR revealed that the expression of hsa_circ_0019142 was significantly higher in the 3D scaffold group. Overexpression of hsa_circ_0019142 promoted the osteogenic differentiation of hADMSCs, while knockdown of hsa_circ_0019142 caused the opposite results.
Conclusion
The 3D-printed scaffold promoted osteogenic differentiation of hADMSCs by upregulating hsa_circ_0019142.
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Affiliation(s)
- Xuebin He
- Ear-Nose-Throat Department, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
| | - Huafei Ao
- Ear-Nose-Throat Department, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
| | - Ying Qiao
- Ear-Nose-Throat Department, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
| | - Zhengwen Li
- Ear-Nose-Throat Department, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
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20
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Ming Y, Liu ZP. Overexpression of lncRNA-NEF regulates the miR-155/PTEN axis to inhibit adipogenesis and promote osteogenesis. Kaohsiung J Med Sci 2021; 37:930-939. [PMID: 34382731 DOI: 10.1002/kjm2.12423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 06/11/2021] [Accepted: 06/24/2021] [Indexed: 11/10/2022] Open
Abstract
Osteoporosis is characterized by osteopenia and bone tissue microstructure degradation. Adipose-derived stem cells (ADSCs) are multipotent adult stem cells that have the ability to yield mesenchymal stem cells and have the potential to undergo osteogenesis and bone regeneration. Therefore, ADSCs have the potential to treat osteoporosis, but the molecular mechanism of these cells in the process of osteogenesis and osteoclasts is still not clear. In the present study, we collected serum samples from 10 clinical osteoporosis patients to detect long noncoding RNA-neighboring enhancer of FOXA2 (lncRNA-NEF) and miR-155 expression levels. Half of these patients were senile and half were postmenopausal women, and nine of them have used steroids for a long time, in which ADSCs were cultured and induced to adipogenic and osteogenic differentiations. Quantitative real-time polymerase chain reaction was used to detect the expression of genes in ADSCs. Overexpression of lncRNA-NEF in ADSCs were undertaken to verify its regulatory function on cell osteogenic and adipogenic differentiations. A luciferase activity experiment was performed to determine the relationship between miR-155 and phosphatase and tensin homologue deleted on chromosome 10 (PTEN). The level of lncRNA-NEF was downregulated, and miR-155 was upregulated, in serum samples from patients with clinical osteoporosis. LncRNA-NEF showed different expression levels in the induction of osteogenic or adipogenic differentiation, which increased during osteogenic induction and decreased during adipogenic induction. Overexpression of lncRNA-NEF or downregulation of miR-155 in ADSCs promoted osteogenic differentiation and inhibited adipogenesis progression. PTEN was the direct target of miR-155 and was involved in the regulation of osteogenic differentiation. Overexpression of lncRNA-NEF regulated the miR-155/PTEN axis to inhibit adipogenesis and promote osteogenesis in ADSCs.
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Affiliation(s)
- Ying Ming
- Department of Clinical Laboratory, Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, China
| | - Zheng-Peng Liu
- Department of Spinal Surgery Ward, Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, China
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21
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Zhu M, Liu Y, Qin H, Tong S, Sun Q, Wang T, Zhang H, Cui M, Guo S. Osteogenically-induced exosomes stimulate osteogenesis of human adipose-derived stem cells. Cell Tissue Bank 2020; 22:77-91. [PMID: 33216281 PMCID: PMC7864848 DOI: 10.1007/s10561-020-09867-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 09/21/2020] [Indexed: 02/06/2023]
Abstract
Exosomes exhibit great therapeutic potential in bone tissue engineering. The study aimed to investigate whether the exosomes derived from human adipose-derived stem cells (hADSCs-Exos) during different time-span of osteogenic differentiation could promote osteogenesis. The appropriate concentrations of hADSCs-Exos to enhance the proliferation, migration and osteogenesis of hADSCs-Exos were also examined. PKH67 labelled hADSCs-Exos was used to detect the internalization ability of hADSCs. The osteogenic differentiation abilities of hADSCs after treatment with hADSCs-Exos was evaluated by Alizarin red staining (ARS). The proliferation and migration of hADSCs was examined by cell counting kit-8 and wound healing assay, respectively. The expression of exosomal surface markers and osteoblast-related protein of hADSCs was assessed by Western blot. PKH67-labelled exosomes were internalized by hADSCs after 4 h incubation. ARS showed that the amount of mineralized nodules in Exo1−14d group was significantly higher than that in Exo15−28d group. hADSCs-Exos could promote the proliferation and migration capacity of hADSCs. Western blot analysis showed that after hADSCs-Exos treatment, ALP and RUNX2 were significantly enhanced. Specially, the Exo1−14d group of 15 μg/mL significantly upregulated the expression of RUNX2 than the other exosomes treated groups. Our findings suggest that exosomes secreted by hADSCs during osteogenic induction for 1–14 days could be efficiently internalized by hADSCs and could induce osteogenic differentiation of hADSCs. Moreover, administration of Exo1−14d at 15 μg/mL promoted the proliferation and migration of hADSCs. In conclusion, our research confirmed that comprised of hADSCs-Exos and hADSCs may provide a new therapeutic paradigm for bone tissue engineering.
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Affiliation(s)
- Mengru Zhu
- Department of plastic surgery, The First Affiliated Hospital of Dalian Medical University, 222 Zhongshan Road, Dalian, 116011, China
| | - Yang Liu
- School of Chemical Engineering, Dalian University of Technology, No. 2 Linggong Road, Dalian, 116024, China
| | - Hongzhi Qin
- Department of plastic surgery, The First Affiliated Hospital of Dalian Medical University, 222 Zhongshan Road, Dalian, 116011, China
| | - Shuang Tong
- Department of Plastic surgery, The First affiliated Hospital of China Medical University, No 155 Nanjing North Street, Shenyang, 110002, China
| | - Qiang Sun
- Department of Plastic surgery, The First affiliated Hospital of China Medical University, No 155 Nanjing North Street, Shenyang, 110002, China
| | - Ting Wang
- Department of Plastic surgery, The First affiliated Hospital of China Medical University, No 155 Nanjing North Street, Shenyang, 110002, China
| | - Hua Zhang
- Department of Plastic surgery, The First affiliated Hospital of China Medical University, No 155 Nanjing North Street, Shenyang, 110002, China
| | - Mengying Cui
- Department of Plastic surgery, The First affiliated Hospital of China Medical University, No 155 Nanjing North Street, Shenyang, 110002, China
| | - Shu Guo
- Department of Plastic surgery, The First affiliated Hospital of China Medical University, No 155 Nanjing North Street, Shenyang, 110002, China.
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Sharifi S, Moghaddam FA, Abedi A, Maleki Dizaj S, Ahmadian S, Abdolahinia ED, Khatibi SMH, Samiei M. Phytochemicals impact on osteogenic differentiation of mesenchymal stem cells. Biofactors 2020; 46:874-893. [PMID: 33037744 DOI: 10.1002/biof.1682] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 12/19/2022]
Abstract
Medicinal plants have always been utilized for the prevention and treatment of the spread of different diseases all around the world. To name some traditional medicine that has been used over centuries, we can refer to phytochemicals such as naringin, icariin, genistein, and resveratrol gained from plants. Osteogenic differentiation and mineralization of stem cells can be the result of specific bioactive compounds from plants. One of the most appealing choices for therapy can be mesenchymal stem cells (MSCs) because it has a great capability of self-renewal and differentiation into three descendants, namely, endoderm, mesoderm, and ectoderm. Stem cell gives us the glad tidings of great advances in tissue regeneration and transplantation field for treatment of diseases. Using plant bioactive phytochemicals also holds tremendous promises in treating diseases such as osteoporosis. The purpose of the present review article thus is to investigate what are the roles and consequences of phytochemicals on osteogenic differentiation of MSCs.
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Affiliation(s)
- Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Atefeh Abedi
- Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shahin Ahmadian
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Biology, Faculty of Basic Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Elaheh Dalir Abdolahinia
- Research Center of Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mohammad Samiei
- Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Water-transport and intracellular ice formation of human adipose-derived stem cells during freezing. J Therm Biol 2020; 93:102689. [PMID: 33077114 DOI: 10.1016/j.jtherbio.2020.102689] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 07/22/2020] [Accepted: 08/05/2020] [Indexed: 11/22/2022]
Abstract
The key to optimizing the cryopreservation strategy of human adipose-derived stem cells (hADSCs) is to identify the biophysical characteristics during freezing. Systematic freezing experiments were conducted under a cryo-microscope system to investigate the cryoinjury mechanism for hADSCs at different cooling rates. By simultaneously fitting morphological change data to the water-transport equation at 5, 10 and 20 °C/min, the plasma membrane hydraulic conductivity, Lpg, and activation energy, ELp, were determined. Moreover, the optimal cooling rate was also predicted by using mathematical model methods. Additionally, the surface-catalyzed nucleation (SCN) parameters were calculated by fitting in numerical models, Ω0SCN and k0SCN were determined at cooling rates of 30, 45 and 60 °C/min. These results may provide potential application value for cryopreservation of hADSCs.
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Aran S, Zahri S, Asadi A, Khaksar F, Abdolmaleki A. Hair follicle stem cells differentiation into bone cells on collagen scaffold. Cell Tissue Bank 2020; 21:181-188. [PMID: 32016616 DOI: 10.1007/s10561-020-09812-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 01/24/2020] [Indexed: 12/17/2022]
Abstract
The hair follicle is a dynamic structure which contains different niches for stem cells, therefore; it has been considered as valuable and rich sources of stem cells, due to easy access, multipotency and non-oncogenic properties. In the present study, the differentiation capacities of hair follicle stem cells into bone cells on the natural collagen scaffolds were investigated. The stem cells were extracted from the hair follicle bulge area of male Wistar rats' whisker and cultured until 3rd passage, then osteogenic differentiations were induced by culturing the cells in the specific osteogenic medium. After 3 weeks, the differentiation parameters, including morphological changes, levels of calcification and expression of the bone specific genes were detected. The hydrogel preparation and scaffold fabrication was carried out using the extracted collagen and was studied by scanning electron microscope. Comparison of the stem cells' growth and changes on the scaffold and non-scaffold conditions showed that, in the both situation, the cells revealed differentiation signs of osteocytes, including large and cubic morphology with a star-shaped nucleus. Staining by Alizarin-red and Von-Kossa methods showed the presence of red and black calcium mass on the scaffold. Expression of the osteopontin and alkaline phosphatase genes confirmed the differentiation. Considerable porosity in the surface of the scaffold was recorded by scanning electron microscopy, which made it convenient for cells' attachment and growth. The data showed that the bulge stem cells possess significant capacity for osteoblastic differentiation and collagen scaffolds were found to be an appropriate matrix for growth and differentiation of the cell.
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Affiliation(s)
- Saeideh Aran
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Saber Zahri
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran.
| | - Asadollah Asadi
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Fatemeh Khaksar
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Arash Abdolmaleki
- Department of Engineering Sciences, Faculty of Advanced Technologies, University of Mohaghegh Ardabili, Namin, Iran
- Bio Science and Biotechnology Research Center (BBRC), Sabalan University of Advanced Technologies (SUAT), Namin, Iran
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Kuterbekov M, Jonas AM, Glinel K, Picart C. Osteogenic Differentiation of Adipose-Derived Stromal Cells: From Bench to Clinics. TISSUE ENGINEERING PART B-REVIEWS 2020; 26:461-474. [PMID: 32098603 DOI: 10.1089/ten.teb.2019.0225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In addition to mesenchymal stem cells, adipose-derived stem/stromal cells (ASCs) are an attractive source for a large variety of cell-based therapies. One of their most important potential applications is related to the regeneration of bone tissue thanks to their capacity to differentiate in bone cells. However, this requires a proper control of their osteogenic differentiation, which depends not only on the initial characteristics of harvested cells but also on the conditions used for their culture. In this review, we first briefly describe the preclinical and clinical trials using ASCs for bone regeneration and present the quantitative parameters used to characterize the osteogenic differentiation of ASCs. We then focus on the soluble factors influencing the osteogenic differentiation of ACS, including the steroid hormones and various growth factors, notably the most osteoinductive ones, the bone morphogenetic proteins (BMPs). Impact statement Adipose-derived stromal/stem cells are reviewed for their use in bone regeneration.
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Affiliation(s)
- Mirasbek Kuterbekov
- Institute of Condensed Matter & Nanosciences (Bio & Soft Matter), Université Catholique de Louvain, Louvain-la-Neuve, Belgium.,Grenoble Institute of Technology, University Grenoble Alpes, LMGP, Grenoble, France
| | - Alain M Jonas
- Institute of Condensed Matter & Nanosciences (Bio & Soft Matter), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Karine Glinel
- Institute of Condensed Matter & Nanosciences (Bio & Soft Matter), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Catherine Picart
- Grenoble Institute of Technology, University Grenoble Alpes, LMGP, Grenoble, France.,Biomimetism and Regenerative Medicine Lab, CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Université Grenoble-Alpes/CEA/CNRS, Grenoble, France
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Kronemberger GS, Matsui RAM, Miranda GDASDCE, Granjeiro JM, Baptista LS. Cartilage and bone tissue engineering using adipose stromal/stem cells spheroids as building blocks. World J Stem Cells 2020; 12:110-122. [PMID: 32184936 PMCID: PMC7062040 DOI: 10.4252/wjsc.v12.i2.110] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 10/19/2019] [Accepted: 01/15/2020] [Indexed: 02/06/2023] Open
Abstract
Scaffold-free techniques in the developmental tissue engineering area are designed to mimic in vivo embryonic processes with the aim of biofabricating, in vitro, tissues with more authentic properties. Cell clusters called spheroids are the basis for scaffold-free tissue engineering. In this review, we explore the use of spheroids from adult mesenchymal stem/stromal cells as a model in the developmental engineering area in order to mimic the developmental stages of cartilage and bone tissues. Spheroids from adult mesenchymal stromal/stem cells lineages recapitulate crucial events in bone and cartilage formation during embryogenesis, and are capable of spontaneously fusing to other spheroids, making them ideal building blocks for bone and cartilage tissue engineering. Here, we discuss data from ours and other labs on the use of adipose stromal/stem cell spheroids in chondrogenesis and osteogenesis in vitro. Overall, recent studies support the notion that spheroids are ideal "building blocks" for tissue engineering by “bottom-up” approaches, which are based on tissue assembly by advanced techniques such as three-dimensional bioprinting. Further studies on the cellular and molecular mechanisms that orchestrate spheroid fusion are now crucial to support continued development of bottom-up tissue engineering approaches such as three-dimensional bioprinting.
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Affiliation(s)
- Gabriela S Kronemberger
- Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Post-graduate Program in Translational Biomedicine (Biotrans), Unigranrio, Campus I, Duque de Caxias, RJ 25250-020, Brazil
| | - Renata Akemi Morais Matsui
- Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Post-graduate Program in Biotechnology, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
| | - Guilherme de Almeida Santos de Castro e Miranda
- Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Federal University of Rio de Janeiro (UFRJ), Campus Duque de Caxias, Duque de Caxias, RJ 25250-020, Brazil
| | - José Mauro Granjeiro
- Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Post-graduate Program in Biotechnology, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Laboratory of Clinical Research in Odontology, Fluminense Federal University (UFF), Niterói 25255-030 Brazil
| | - Leandra Santos Baptista
- Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Post-graduate Program in Translational Biomedicine (Biotrans), Unigranrio, Campus I, Duque de Caxias, RJ 25250-020, Brazil
- Post-graduate Program in Biotechnology, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ 25250-020, Brazil
- Multidisciplinary Center for Biological Research (Numpex-Bio), Federal University of Rio de Janeiro (UFRJ) Campus Duque de Caxias, Duque de Caxias, RJ 25245-390, Brazil
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Bölükbaşı Ateş G, Ak A, Garipcan B, Gülsoy M. Photobiomodulation effects on osteogenic differentiation of adipose-derived stem cells. Cytotechnology 2020; 72:247-258. [PMID: 32016710 DOI: 10.1007/s10616-020-00374-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/23/2020] [Indexed: 12/12/2022] Open
Abstract
Increasing interest has been observed in the use of photobiomodulation (PBM) to enhance the proliferation of stem cells and induce their differentiation. The effects of PBM at two different wavelengths (635 and 809 nm) with three different energy densities (0.5, 1 and 2 J/cm2) on the osteogenic differentiation of adipose-derived stem cells (ADSC) were investigated. Cell viability and proliferation were evaluated by MTT and Alamar Blue assays. Osteoblast differentiation were assessed by alkaline phosphatase (ALP) activity, Alizarin red staining and reverse-transcription polymerase chain reaction (RT-PCR) for the expression of collagen type I (COL1A), ALP and osteocalcin. 635 nm and 809 nm laser irradiation had no effect on the cell viability on days 7 and 14, except for 0.5 J/cm2 group at 14th day after 635 nm irradiation (p < 0.05). Cell proliferation was not changed significantly. Mineralization was increased significantly in 809 nm laser groups but no enhancement was detected in the osteogenic differentiation by ALP activity and gene expression results. In 0.5 and 1 J/cm2 groups, ALP and COL1A expressions were down regulated at day 7 after 809 nm laser exposure. These results suggest that PBM may alter osteogenic differentiation of ADSC and increase mineralization but further investigation is needed to define adequate parameters.
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Affiliation(s)
- Gamze Bölükbaşı Ateş
- Institute of Biomedical Engineering, Bogazici University, Uskudar, 34684, Istanbul, Turkey.
| | - Ayşe Ak
- Medical Imaging Techniques Programme, Vocational School of Health Services, Kocaeli University, 41380, Kocaeli, Turkey
| | - Bora Garipcan
- Institute of Biomedical Engineering, Bogazici University, Uskudar, 34684, Istanbul, Turkey
| | - Murat Gülsoy
- Institute of Biomedical Engineering, Bogazici University, Uskudar, 34684, Istanbul, Turkey
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Zheng X, Ke X, Yu P, Wang D, Pan S, Yang J, Ding C, Xiao S, Luo J, Li J. A facile strategy to construct silk fibroin based GTR membranes with appropriate mechanical performance and enhanced osteogenic capacity. J Mater Chem B 2020; 8:10407-10415. [PMID: 33112359 DOI: 10.1039/d0tb01962c] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A facile method to modify electrospun silk fibroin nanofibrous membranes for enhanced mechanical properties and osteogenic function via polyphenol chemistry.
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29
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Kunisch E, Gunnella F, Wagner S, Dees F, Maenz S, Bossert J, Jandt KD, Kinne RW. The poly (l-lactid-co-glycolide; PLGA) fiber component of brushite-forming calcium phosphate cement induces the osteogenic differentiation of human adipose tissue-derived stem cells. ACTA ACUST UNITED AC 2019; 14:055012. [PMID: 31465298 DOI: 10.1088/1748-605x/ab3544] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A brushite-forming calcium phosphate cement (CPC) was mechanically stabilized by addition of poly (l-lactid-co-glycolide; PLGA) fibers (≤10% w/w). It proved highly biocompatible and its fiber component enhanced bone formation in a sheep lumbar vertebroplasty model. However, possible effects on the osteogenic differentiation of resident mesenchymal stem cells (MSCs) remained unexplored. The present study used a novel approach, simultaneously analyzing the influence of a solid CPC scaffold and its relatively low PLGA proportion (a mimicry of natural bone) on osteogenic, chondrogenic, and adipogenic differentiation, as well as the pluripotency of human adipose tissue-derived mesenchymal stem cells (hASCs). hASCs were cultured on CPC discs with/without PLGA fibers (5% and 10%) in the absence of osteogenic medium for 3, 7, and 14 d. Gene expression of osteogenic markers (Runx2, osterix, alkaline phosphatase, collagen I, osteonectin, osteopontin, osteocalcin), chondrogenic markers (collagen II, Sox9, aggrecan), adipogenic markers (PPARG, Leptin, and FABP4), and pluripotency markers (Nanog, Tert, Rex) was analyzed by RT-PCR. The ability of hASCs to synthesize alkaline phosphatase was also evaluated. Cell number and viability were determined by fluorescein diacetate/propidium iodide staining. Compared to pure CPC, cultivation of hASCs on fiber-reinforced CPC transiently induced the gene expression of Runx2 and osterix (day 3), and long-lastingly augmented the expression of alkaline phosphatase (and its enzyme activity), collagen I, and osteonectin (until day 14). In contrast, augmented expression of all chondrogenic, adipogenic, and pluripotency markers was limited to day 3, followed by significant downregulation. Cultivation of hASCs on fiber-reinforced CPC reduced the cell number, but not the proportion of viable cells (viability > 95%). The PLGA component of fiber-reinforced, brushite-forming CPC supports long-lasting osteogenic differentiation of hASCs, whereas chondrogenesis, adipogenesis, and pluripotency are initially augmented, but subsequently suppressed. In view of parallel animal results, PLGA fibers may represent an interesting clinical target for future improvement of CPC- based bone regeneration.
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Affiliation(s)
- Elke Kunisch
- Experimental Rheumatology Unit, Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
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30
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Kuterbekov M, Machillot P, Baillet F, Jonas AM, Glinel K, Picart C. Design of experiments to assess the effect of culture parameters on the osteogenic differentiation of human adipose stromal cells. Stem Cell Res Ther 2019; 10:256. [PMID: 31412950 PMCID: PMC6694725 DOI: 10.1186/s13287-019-1333-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 06/28/2019] [Accepted: 07/08/2019] [Indexed: 01/27/2023] Open
Abstract
Background Human adipose-derived stromal cells (hASCs) have been gaining increasing popularity in regenerative medicine thanks to their multipotency, ease of collection, and efficient culture. Similarly to other stromal cells, their function is particularly sensitive to the culture conditions, including the composition of the culture medium. Given the large number of parameters that can play a role in their specification, the rapid assessment would be beneficial to allow the optimization of their culture parameters. Method Herein we used the design of experiments (DOE) method to rapidly screen the influence and relevance of several culture parameters on the osteogenic differentiation of hASCs. Specifically, seven cell culture parameters were selected for this study based on a literature review. These parameters included the source of hASCs (the different providers having different methods for processing the cells prior to their external use), the source of serum (fetal bovine serum vs. human platelet lysate), and several soluble osteoinductive factors, including dexamethasone and a potent growth factor, the bone morphogenetic protein-9 (BMP-9). The expression of alkaline phosphatase was quantified as a readout for the osteogenic differentiation of hASCs. Results The DOE analysis enabled to classify the seven studied parameters according to their relative influence on the osteogenic differentiation of hASCs. Notably, the source of serum was found to have a major effect on the osteogenic differentiation of hASCs as well as their origin (different providers) and the presence of L-ascorbate-2-phosphate and BMP-9. Conclusion The DOE-based screening is a valuable approach for the classification of the impact of several cell culture parameters on the osteogenic differentiation of hASCs. Electronic supplementary material The online version of this article (10.1186/s13287-019-1333-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mirasbek Kuterbekov
- Université catholique de Louvain, Institute of Condensed Matter & Nanosciences (Bio & Soft Matter), Croix du Sud 1, Box L7.04.02, 1348, Louvain-la-Neuve, Belgium.,CNRS, LMGP, 3 parvis Louis Néel, 38016, Grenoble, France.,Grenoble Institute of Technology, University Grenoble Alpes, LMGP, 3 parvis Louis Néel, 38016, Grenoble, France
| | - Paul Machillot
- CNRS, LMGP, 3 parvis Louis Néel, 38016, Grenoble, France.,Grenoble Institute of Technology, University Grenoble Alpes, LMGP, 3 parvis Louis Néel, 38016, Grenoble, France
| | - Francis Baillet
- Université Grenoble Alpes, CNRS, Grenoble INP, SIMAP, 1130 rue de la Piscine, 38402, Saint-Martin d'Hères, France
| | - Alain M Jonas
- Université catholique de Louvain, Institute of Condensed Matter & Nanosciences (Bio & Soft Matter), Croix du Sud 1, Box L7.04.02, 1348, Louvain-la-Neuve, Belgium
| | - Karine Glinel
- Université catholique de Louvain, Institute of Condensed Matter & Nanosciences (Bio & Soft Matter), Croix du Sud 1, Box L7.04.02, 1348, Louvain-la-Neuve, Belgium
| | - Catherine Picart
- CNRS, LMGP, 3 parvis Louis Néel, 38016, Grenoble, France. .,Grenoble Institute of Technology, University Grenoble Alpes, LMGP, 3 parvis Louis Néel, 38016, Grenoble, France.
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31
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An Y, Zhao J, Nie F, Wu Y, Xia Y, Li D. Parathyroid hormone (PTH) promotes ADSC osteogenesis by regulating SIK2 and Wnt4. Biochem Biophys Res Commun 2019; 516:551-557. [DOI: 10.1016/j.bbrc.2019.06.084] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 06/16/2019] [Indexed: 01/16/2023]
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32
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Calejo I, Costa-Almeida R, Reis RL, Gomes ME. Enthesis Tissue Engineering: Biological Requirements Meet at the Interface. TISSUE ENGINEERING PART B-REVIEWS 2019; 25:330-356. [DOI: 10.1089/ten.teb.2018.0383] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Isabel Calejo
- 3B's Research Group, I3Bs—Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Raquel Costa-Almeida
- 3B's Research Group, I3Bs—Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs—Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's—PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Center for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Manuela E. Gomes
- 3B's Research Group, I3Bs—Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's—PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Center for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
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33
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Giri TK, Alexander A, Agrawal M, Saraf S, Saraf S, Ajazuddin. Current Status of Stem Cell Therapies in Tissue Repair and Regeneration. Curr Stem Cell Res Ther 2019; 14:117-126. [PMID: 29732992 DOI: 10.2174/1574888x13666180502103831] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 03/28/2018] [Accepted: 03/29/2018] [Indexed: 01/07/2023]
Abstract
Tissue engineering is a multi-disciplinary field such as material science, life science, and bioengineering that are necessary to make artificial tissue or rejuvenate damaged tissue. Numerous tissue repair techniques and substitute now exist even though it has several shortcomings; these shortcomings give a good reason for the continuous research for more acceptable tissue-engineered substitutes. The search for and use of a suitable stem cell in tissue engineering is a promising concept. Stem cells have a distinctive capability to differentiate and self-renew that make more suitable for cell-based therapies in tissue repair and regeneration. This review article focuses on stem cell for tissue engineering and their methods of manufacture with their application in nerve, bone, skin, cartilage, bladder, cardiac, liver tissue repair and regeneration.
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Affiliation(s)
- Tapan Kumar Giri
- NSHM College of Pharmaceutical Technology, NSHM Knowledge Campus, Kolkata Group of Institutions, 124 BL Saha Road, Kolkata-700053, West Bengal, India.,Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh 490024, India
| | - Amit Alexander
- Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh 490024, India
| | - Mukta Agrawal
- Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh 490024, India
| | - Swarnalata Saraf
- Department of Pharmaceutics, University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh 492010, India
| | - Shailendra Saraf
- Department of Pharmaceutics, University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh 492010, India.,Durg University, Govt. Vasudev Vaman Patankar Girls' P.G. College Campus, Raipur Naka, Durg, Chhattisgarh 491001, India
| | - Ajazuddin
- Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh 490024, India
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Saud B, Malla R, Shrestha K. A Review on the Effect of Plant Extract on Mesenchymal Stem Cell Proliferation and Differentiation. Stem Cells Int 2019; 2019:7513404. [PMID: 31428160 PMCID: PMC6681598 DOI: 10.1155/2019/7513404] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 06/29/2019] [Indexed: 02/07/2023] Open
Abstract
Stem cell has immense potential in regenerative cellular therapy. Mesenchymal stem cells (MSCs) can become a potential attractive candidate for therapy due to its remarkable ability of self-renewal and differentiation into three lineages, i.e., ectoderm, mesoderm, and endoderm. Stem cell holds tremendous promises in the field of tissue regeneration and transplantation for disease treatments. Globally, medicinal plants are being used for the treatment and prevention of a variety of diseases. Phytochemicals like naringin, icariin, genistein, and resveratrol obtained from plants have been extensively used in traditional medicine for centuries. Certain bioactive compounds from plants increase the rate of tissue regeneration, differentiation, and immunomodulation. Several studies show that bioactive compounds from plants have a specific role (bioactive mediator) in regulating the rate of cell division and differentiation through complex signal pathways like BMP2, Runx2, and Wnt. The use of plant bioactive phytochemicals may also become promising in treating diseases like osteoporosis, neurodegenerative disorders, and other tissue degenerative disorders. Thus, the present review article is aimed at highlighting the roles and consequences of plant extracts on MSCs proliferation and desired lineage differentiations.
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Affiliation(s)
- Bhuvan Saud
- Central Department of Biotechnology, Tribhuvan University, Kirtipur, Nepal
- Faculty of Science, Nepal Academy of Science and Technology (NAST), Khumaltar, Lalitpur, Nepal
| | - Rajani Malla
- Central Department of Biotechnology, Tribhuvan University, Kirtipur, Nepal
| | - Kanti Shrestha
- Faculty of Science, Nepal Academy of Science and Technology (NAST), Khumaltar, Lalitpur, Nepal
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35
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Halabian R, Moridi K, Korani M, Ghollasi M. Composite Nanoscaffolds Modified with Bio-ceramic Nanoparticles (Zn2SiO4) Prompted Osteogenic Differentiation of Human Induced Pluripotent Stem Cells. INTERNATIONAL JOURNAL OF MOLECULAR AND CELLULAR MEDICINE 2019; 8:24-38. [PMID: 32195203 PMCID: PMC7073266 DOI: 10.22088/ijmcm.bums.8.1.24] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/26/2019] [Accepted: 06/15/2019] [Indexed: 10/31/2022]
Abstract
Nanofiber scaffolds and bio-ceramic nanoparticles have been widely used in bone tissue engineering. The use of human- induced pluripotent stem cells (hiPSCs) on this scaffold can be considered as a new approach in the differentiation of bone tissue. In the present study, a polyaniline-gelatin-polycaprolactone (PANi-GEL-PCL) composite nanoscaffold was made by electrospinning and modified superficially by plasma method. The synthesized nanoscaffold was then coated with willemite's bio-ceramic nanoparticles (Zn2SiO4). The nanoscaffold's properties were studied by scanning electron microscopy (SEM). Also, nanoparticles characterization was carried out with SEM and dynamic light scattering. The growth and proliferation rate of cells on the synthesized nanoscaffold was examined by MTT assay. Subsequently, hiPSCs were cultured on murine fibroblast cells, incubated in embryoid bodies for 3 days, and placed on the nanoscaffolds. The differentiation potential of hiPSCs was investigated by the examination of common bone markers (e.g. alkaline phosphatase, calcium salt precipitation, and alizarin red test) using bone differentiation factors for 14 days. SEM showed the proper structure of electrospinned nanoscaffolds and coating of nanoparticles on the nanoscaffold surface. The results of MTT assay confirmed the growth and proliferation of cells and the biocompatibility of nanofibers. The results of bone indices also showed that differentiation on the composite nanoscaffold coated with willemite's bio-ceramic nanoparticles dramatically increased in comparison with other groups. Overall, this study demonstrated that PANi-GEL-PCL composite nanoscaffold with willemite's bio-ceramic nanoparticles is a suitable substrate for in vitro growth, proliferation, and differentiation of hiPSCs cells into osteoblasts.
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Affiliation(s)
- Raheleh Halabian
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Kaykhosro Moridi
- Department of Medical Nanotechnology, Faculty of Advanced Sciences & Technology, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran.
| | - Mohsen Korani
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Marzieh Ghollasi
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran.
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Torres-Torrillas M, Rubio M, Damia E, Cuervo B, Del Romero A, Peláez P, Chicharro D, Miguel L, Sopena JJ. Adipose-Derived Mesenchymal Stem Cells: A Promising Tool in the Treatment of Musculoskeletal Diseases. Int J Mol Sci 2019; 20:ijms20123105. [PMID: 31242644 PMCID: PMC6627452 DOI: 10.3390/ijms20123105] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 06/20/2019] [Accepted: 06/20/2019] [Indexed: 02/08/2023] Open
Abstract
Chronic musculoskeletal (MSK) pain is one of the most common medical complaints worldwide and musculoskeletal injuries have an enormous social and economical impact. Current pharmacological and surgical treatments aim to relief pain and restore function; however, unsatiscactory outcomes are commonly reported. In order to find an accurate treatment to such pathologies, over the last years, there has been a significantly increasing interest in cellular therapies, such as adipose-derived mesenchymal stem cells (AMSCs). These cells represent a relatively new strategy in regenerative medicine, with many potential applications, especially regarding MSK disorders, and preclinical and clinical studies have demonstrated their efficacy in muscle, tendon, bone and cartilage regeneration. Nevertheless, several worries about their safety and side effects at long-term remain unsolved. This article aims to review the current state of AMSCs therapy in the treatment of several MSK diseases and their clinical applications in veterinary and human medicine.
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Affiliation(s)
- Marta Torres-Torrillas
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Monica Rubio
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
- García Cugat Foundation CEU-UCH Chair of Medicine and Regenerative Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Elena Damia
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Belen Cuervo
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Ayla Del Romero
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Pau Peláez
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Deborah Chicharro
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Laura Miguel
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
| | - Joaquin J Sopena
- Bioregenerative Medicine and Applied Surgery Research Group, Department of Animal Medicine and Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
- García Cugat Foundation CEU-UCH Chair of Medicine and Regenerative Surgery, CEU Cardenal Herrera University, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115 Valencia, Spain.
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Si Z, Wang X, Sun C, Kang Y, Xu J, Wang X, Hui Y. Adipose-derived stem cells: Sources, potency, and implications for regenerative therapies. Biomed Pharmacother 2019; 114:108765. [PMID: 30921703 DOI: 10.1016/j.biopha.2019.108765] [Citation(s) in RCA: 207] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 02/28/2019] [Accepted: 03/06/2019] [Indexed: 02/06/2023] Open
Abstract
Adipose-derived stem cells (ASCs) are a subset of mesenchymal stem cells (MSCs) that can be obtained easily from adipose tissues and possess many of the same regenerative properties as other MSCs. ASCs easily adhere to plastic culture flasks, expand in vitro, and have the capacity to differentiate into multiple cell lineages, offering the potential to repair, maintain, or enhance various tissues. Since human adipose tissue is ubiquitous and easily obtained in large quantities using a minimally invasive procedure, the use of autologous ASCs is promising for both regenerative medicine and organs damaged by injury and disease, leading to a rapidly increasing field of research. ASCs are effective for the treatment of severe symptoms such as atrophy, fibrosis, retraction, and ulcers induced by radiation therapy. Moreover, ASCs have been shown to be effective for pathological wound healing such as aberrant scar formation. Additionally, ASCs have been shown to be effective in treating severe refractory acute graft-versus-host disease and hematological and immunological disorders such as idiopathic thrombocytopenic purpura and refractory pure red cell aplasia, indicating that ASCs may have immunomodulatory function. Although many experimental procedures have been proposed, standardized harvesting protocols and processing techniques do not yet exist. Therefore, in this review we focus on the current landscape of ASC isolation, identification, location, and differentiation ability, and summarize the recent progress in ASC applications, the latest preclinical and clinical research, and future approaches for the use of ASCs.
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Affiliation(s)
- Zizhen Si
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China
| | - Xue Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China
| | - Changhui Sun
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China
| | - Yuchun Kang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China
| | - Jiakun Xu
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China
| | - Xidi Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China; Basic Medical Institute of Heilongjiang Medical Science Academy, PR China; Translational Medicine Center of Northern China, PR China
| | - Yang Hui
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, PR China; Basic Medical Institute of Heilongjiang Medical Science Academy, PR China; Translational Medicine Center of Northern China, PR China.
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Toosi S, Naderi-Meshkin H, Kalalinia F, HosseinKhani H, Heirani-Tabasi A, Havakhah S, Nekooei S, Jafarian AH, Rezaie F, Peivandi MT, Mesgarani H, Behravan J. Bone defect healing is induced by collagen sponge/polyglycolic acid. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:33. [PMID: 30840143 DOI: 10.1007/s10856-019-6235-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Accepted: 02/11/2019] [Indexed: 06/09/2023]
Abstract
We have evaluated the capability of a collagen/poly glycolic acid (PGA) scaffold in regeneration of a calvarial bone defects in rabbits. 4 bone critical size defects (CSD) were created in the calvarial bone of each rabbit. The following 4 treatment modalities were tested (1) a collagen/PGA scaffold (0.52% w/w); (2) the collagen/PGA scaffold (0.52% w/w) seeded with adipose-derived mesenchymal stem cells (AD-MSCs, 1 × 106 cells per each defect); (3) AD-MSCs (1 × 106 cells) no scaffold material, and (4) blank control. The rabbits were then divided into 3 random groups (of 5) and the treatment outcomes were evaluated at 4, 8 and 12 weeks. New bone formation was histologically assessed. Experimental groups were analyzed by CT scan and real-time PCR. Histological analysis of bone defects treated with collagen/PGA alone exhibited significant fibrous connective tissue formation at the 12 weeks of treatments (P ≤ 0.05). There was no significant difference between collagen/PGA alone and collagen/PGA + AD-MSCs groups. The results were confirmed by CT scan data showing healing percentages of 34.20% for the collage/PGA group alone as compared to the control group and no difference with collagen/PGA containing AD-MSCs (1 × 106 cells). RT-PCR analysis also indicated no significant differences between collagen/PGA and collagen/PGA + AD-MSC groups, although both scaffold containing groups significantly express ALP and SIO rather than groups without scaffolds. Although there was no significant difference between the scaffolds containing cells with non-cellular scaffolds, our results indicated that the Collagen/PGA scaffold itself had a significant effect on wound healing as compared to the control group. Therefore, the collagen/PGA scaffold seems to be a promising candidate for research in bone regeneration.
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Affiliation(s)
- Shirin Toosi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- NanoSBY Knowledge Based Corporation, Mashhad, Iran
| | - Hojjat Naderi-Meshkin
- NanoSBY Knowledge Based Corporation, Mashhad, Iran
- Stem Cells and Regenerative Medicine Research Group, Academic Center for Education Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran
| | - Fatemeh Kalalinia
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein HosseinKhani
- Innovation Center for Advanced Technology, Matrix, Inc., New York, NY, 10029, USA
| | - Asieh Heirani-Tabasi
- Stem Cells and Regenerative Medicine Research Group, Academic Center for Education Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran
| | - Shahrzad Havakhah
- Physiology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sirous Nekooei
- Department of Radiology, Mashhad University of Medical Sciences, Mashhad, Iran.
| | | | - Fahimeh Rezaie
- Stem Cells and Regenerative Medicine Research Group, Academic Center for Education Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran
| | - Mohammad Taghi Peivandi
- Department of Orthopedic Surgery, Orthopedic and Trauma Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hooman Mesgarani
- Department of Veterinary Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Javad Behravan
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- NanoSBY Knowledge Based Corporation, Mashhad, Iran.
- School of Pharmacy, University of Waterloo, Waterloo, ON, Canada.
- Center for Bioengineering and Biotechnology, University of Waterloo, Waterloo, ON, Canada.
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Treatment of Knee Meniscus Pathology: Rehabilitation, Surgery, and Orthobiologics. PM R 2019; 11:292-308. [DOI: 10.1016/j.pmrj.2018.08.384] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 08/11/2018] [Indexed: 01/13/2023]
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Munir KS, Wen C, Li Y. Carbon Nanotubes and Graphene as Nanoreinforcements in Metallic Biomaterials: a Review. ACTA ACUST UNITED AC 2019; 3:e1800212. [PMID: 32627403 DOI: 10.1002/adbi.201800212] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 01/22/2019] [Indexed: 12/13/2022]
Abstract
Current challenges in existing metallic biomaterials encourage undertaking research in the development of novel materials for biomedical applications. This paper critically reviews the potential of carbon nanotubes (CNT) and graphene as nanoreinforcements in metallic biomaterials for bone tissue engineering. Unique and remarkable mechanical, electrical, and biological properties of these carbon nanomaterials allow their use as secondary-phase reinforcements in monolithic biomaterials. The nanoscale dimensions and extraordinarily large surface areas of CNT and graphene make them suitable materials for purposeful reaction with living organisms. However, the cytocompatibility of CNT and graphene is still a controversial issue that impedes advances in utilizing these promising materials in clinical orthopedic applications. The interaction of CNT and graphene with biological systems including proteins, nucleic acids, and human cells is critically reviewed to assess their cytocompatibity in vitro and in vivo. It is revealed that composites reinforced with CNT and graphene show enhanced adhesion of osteoblast cells, which subsequently promotes bone tissue formation in vivo. This potential is expected to pave the way for developing ground-breaking technologies in regenerative medicine and bone tissue engineering. In addition, current progress and future research directions are highlighted for the development of CNT and graphene reinforced implants for bone tissue engineering.
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Affiliation(s)
- Khurram S Munir
- School of Engineering, RMIT University, Bundoora, Victoria, 3083, Australia
| | - Cuie Wen
- School of Engineering, RMIT University, Bundoora, Victoria, 3083, Australia
| | - Yuncang Li
- School of Engineering, RMIT University, Bundoora, Victoria, 3083, Australia
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Cowden K, Dias-Netipanyj MF, Popat KC. Adhesion and Proliferation of Human Adipose-Derived Stem Cells on Titania Nanotube Surfaces. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2019. [DOI: 10.1007/s40883-019-00091-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Koura SM, Salama M, El-Hussiny M, Khalil MESA, Lotfy A, Hassan SA, Gad Elhak SA, Sobh MA. Fluoxetine induces direct inhibitory effects on mesenchymal stem cell‑derived osteoprogenitor cells independent of serotonin concentration. Mol Med Rep 2019; 19:2611-2619. [PMID: 30720108 PMCID: PMC6423613 DOI: 10.3892/mmr.2019.9924] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 06/26/2018] [Indexed: 11/06/2022] Open
Abstract
Selective serotonin reuptake inhibitors are the most commonly prescribed antidepressants worldwide, which have been reported to exert potential detrimental effects on bone mineral density and increase the risk of developing fractures. The present study aimed to investigate the pathways underlying the negative effects of fluoxetine on bone using mesenchymal stem cells (MSCs) derived from rat adipose tissue as a source of osteoprogenitor cells. MSCs were harvested from adipose tissue using a collagenase enzyme digestion method and were allowed to differentiate into osteoprogenitor cells. Various concentrations of fluoxetine were added to the cells, which were harvested and analyzed by flow cytometry to detect apoptotic markers Annexin V and caspase-3, in order to assess the levels of apoptosis. The levels of endogenous serotonin released in the extracellular matrix were measured using a serotonin ELISA kit. The underlying molecular pathways associated with the effects of fluoxetine on bone were investigated with reverse transcription-quantitative polymerase chain reaction. The results of the present study revealed a significant dose-dependent increase in apoptosis in response to increasing doses of fluoxetine, which was independent of serotonin levels in the culture supernatant. These findings indicated that fluoxetine exerted a direct inhibitory effect on bone cells via an apoptosis-dependent pathway. Furthermore, the expression levels of serotonergic genes, including serotonin 1B receptor, serotonin 2A receptor (HTR2A), serotonin 2B receptor and serotonin transporter, were down regulated; of these genes, HTR2A exhibited the highest expression levels. Further in vitro and in vivo studies are required to verify this association and to determine the molecular pathways involved in fluoxetine-induced bone loss. Fluoxetine-induced apoptosis of osteoprogenitor cells may be the mechanism underlying the increased incidence of bone loss observed in patients treated with fluoxetine.
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Affiliation(s)
- Samar M Koura
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed Salama
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mahmoud El-Hussiny
- Medical Experimental Research Center, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mahmoud El-Sayed Awad Khalil
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ahmed Lotfy
- Biotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni Suef University, Beni Suef 62511, Egypt
| | - Samia Ahmed Hassan
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Seham Aly Gad Elhak
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed A Sobh
- Urology and Nephrology Center, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
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Dziedzic DSM, Mogharbel BF, Ferreira PE, Irioda AC, de Carvalho KAT. Transplantation of Adipose-derived Cells for Periodontal Regeneration: A Systematic Review. Curr Stem Cell Res Ther 2019; 14:504-518. [PMID: 30394216 DOI: 10.2174/1574888x13666181105144430] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 10/22/2018] [Accepted: 10/29/2018] [Indexed: 12/22/2022]
Abstract
This systematic review evaluated the transplantation of cells derived from adipose tissue for applications in dentistry. SCOPUS, PUBMED and LILACS databases were searched for in vitro studies and pre-clinical animal model studies using the keywords "ADIPOSE", "CELLS", and "PERIODONTAL", with the Boolean operator "AND". A total of 160 titles and abstracts were identified, and 29 publications met the inclusion criteria, 14 in vitro and 15 in vivo studies. In vitro studies demonstrated that adipose- derived cells stimulate neovascularization, have osteogenic and odontogenic potential; besides adhesion, proliferation and differentiation on probable cell carriers. Preclinical studies described improvement of bone and periodontal healing with the association of adipose-derived cells and the carrier materials tested: Platelet Rich Plasma, Fibrin, Collagen and Synthetic polymer. There is evidence from the current in vitro and in vivo data indicating that adipose-derived cells may contribute to bone and periodontal regeneration. The small quantity of studies and the large variation on study designs, from animal models, cell sources and defect morphology, did not favor a meta-analysis. Additional studies need to be conducted to investigate the regeneration variability and the mechanisms of cell participation in the processes. An overview of animal models, cell sources, and scaffolds, as well as new perspectives are provided for future bone and periodontal regeneration study designs.
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Affiliation(s)
- Dilcele Silva Moreira Dziedzic
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
- Dentistry Faculty, Universidade Positivo, Curitiba, Brazil
| | - Bassam Felipe Mogharbel
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
| | - Priscila Elias Ferreira
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
| | - Ana Carolina Irioda
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
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Lee SH, Setyawan EMN, Choi YB, Ra JC, Kang SK, Lee BC, Kim GA. Clinical assessment after human adipose stem cell transplantation into dogs. J Vet Sci 2018; 19:452-461. [PMID: 29284215 PMCID: PMC5974527 DOI: 10.4142/jvs.2018.19.3.452] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 12/15/2017] [Accepted: 12/26/2017] [Indexed: 01/01/2023] Open
Abstract
Adipose tissue-derived stem cell (ASCs) are an attractive source of stem cells with therapeutic applicability in various fields for regenerating damaged tissues because of their stemness characteristics. However, little has reported on evaluating adverse responses caused by human ASC therapy. Therefore, in the present study, a clinical assessment after human ASC transplantation into dogs was undertaken. A total of 12 healthy male dogs were selected and divided into four groups: saline infusion, saline bolus, ASC infusion, and ASC bolus groups. Physical assessment and blood analysis were performed following ASC transplantation, and the concentrations of angiogenic factors, and pro- and anti-inflammatory cytokines were measured by enzyme-linked immunosorbent assay (ELISA). There were no adverse vital sign responses among the dogs. Blood analyses revealed no remarkable complete blood count or serum chemistry results. ELISA results for angiogenic and anti-inflammatory factors including matrix metalloproteinase 9 (MMP9), vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF), hepatocyte growth factor (HGF), and interleukin-10 (IL-10) were significantly higher in the two ASCs groups than in the controls. In conclusion, this study demonstrated that transplantation of human ASCs produced no adverse effects and could be used safely in dogs. In addition, human ASCs could be involved in modulating secretions of angiogenic factors including MMP9, VEGF, bFGF, and HGF and anti-inflammatory factor IL-10.
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Affiliation(s)
- Seok Hee Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Erif M N Setyawan
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Yoo Bin Choi
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Jeong Chan Ra
- Biostar Stem Cell Research Institute, R Bio Co., Ltd., Seoul 08506, Korea
| | - Sung Keun Kang
- Biostar Stem Cell Research Institute, R Bio Co., Ltd., Seoul 08506, Korea
| | - Byeong Chun Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Geon A Kim
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
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45
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Differences of Clonogenic Mesenchymal Stem Cells on Immunomodulation of Lymphocyte Subsets. J Immunol Res 2018; 2018:7232717. [PMID: 30271793 PMCID: PMC6151204 DOI: 10.1155/2018/7232717] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/07/2018] [Accepted: 08/09/2018] [Indexed: 01/14/2023] Open
Abstract
Mesenchymal stem cells (MSC) are a widely used population in cell therapy for their ability to differentiate into distinct tissues and more lately, for their immunomodulatory properties. However, the use of heterogeneous populations could be responsible for the nondesired outcomes reflected in the literature. Here, we analyse the different capacities of five one-cell-derived MSC clones to exert their immunomodulation ex vivo. We assessed proliferation assays in cocultures of MSC clones and purified cluster of differentiation (CD)3+, CD4+, or CD8+ lymphocytes; analysed the regulatory T (Treg) cells fold change rate; determined the effects on viability of peripheral blood mononuclear cells (PBMC); and also measured the coculture cytokine profiles (Th1/Th2). Conditioned media (CM) of different clones were also used to perform both proliferation assays and to analyse Treg fold change. The five clones analysed in this work were able to generate heterogeneous environments. Different clones inhibited proliferation of CD3+ and CD4+ lymphocytes, with different intensities. Surprisingly, all clones promoted proliferation of CD8+ lymphocytes. Different MSC clones and their CM were able to increase the number of Treg with different intensities. Finally, different clones also promoted different effects on the viability of PBMC treated with ultraviolet light. Considering all these data together, it seems that different clones, even from the same donor, can promote a wide spectrum of responses from anti-inflammatory to proinflammatory character. This fact may be important to standardise the design of personalized cell therapy protocols, thus diminishing the aforementioned undesired outcomes existing nowadays in this type of therapies.
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Luo Y, Mohsin A, Xu C, Wang Q, Hang H, Zhuang Y, Chu J, Guo M. Co-culture with TM4 cells enhances the proliferation and migration of rat adipose-derived mesenchymal stem cells with high stemness. Cytotechnology 2018; 70:1409-1422. [PMID: 30032334 DOI: 10.1007/s10616-018-0235-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 07/07/2018] [Indexed: 01/16/2023] Open
Abstract
The proliferation and migration of mesenchymal stem cells (MSCs) are the efficiency determinants in MSCs transplant therapy. Sertoli cells considered as "nurse cell" possesses the ability to enhance the proliferation and migration of umbilical cord mesenchymal stem cells (UCMSCs). However, no reports about TM4 cells' effect on the proliferation and migration of adipose tissue-derived mesenchymal stem cells (ADSCs) have been found until at present research work. Therefore, this study investigates the effect of TM4 cells on the proliferation and migration of ADSCs. We found that the performance of proliferation and migration of ADSCs were improved significantly while maintaining their stemness and reducing their apoptosis rate. After co-culturing with TM4 cells, the co-cultured ADSCs demonstrated higher proportion of synthetic phase (S) cells and colony-forming units-fibroblastic (CFU-F) number, lower proportion of sub-G1 phase cells and enhanced osteogenic and adipogenic differentiation ability. Moreover, results confirmed the higher multiple proteins involved in cell proliferation and migration including expression of the phospho-Akt, mdm2, pho-CDC2, cyclin D1 CXCR4, MMP-2, as well as phospho-p44 MAPK and phospho-p38 MAPK in co-cultured ADSCs. Furthermore, the process of TM4 cells promoting the proliferation of ADSCs was significantly inhibited by the administration of the PI3K/AKT inhibitor LY294002. Obtained results indicated that TM4 cells through MAPK/ERK1/2, MAPK/p-38 and PI3K/Akt pathways influence the proliferation and migration of ADSCs. These findings indicated that TM4 cells were found effective in promoting stemness and migration of ADSCs, that proves adopted co-culturing technique as an efficient approach to obtain ADSCs in transplantation therapy.
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Affiliation(s)
- Yanxia Luo
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China
| | - Ali Mohsin
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China
| | - Chenze Xu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China
| | - Qizheng Wang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China
| | - Haifeng Hang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China. .,Engineering Research Centre of Processes System, Ministry of Education, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China.
| | - Yingping Zhuang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China.,Engineering Research Centre of Processes System, Ministry of Education, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China
| | - Ju Chu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China
| | - Meijin Guo
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China. .,Engineering Research Centre of Processes System, Ministry of Education, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, China.
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Maglione M, Salvador E, Ruaro ME, Melato M, Tromba G, Angerame D, Bevilacqua L. Bone regeneration with adipose derived stem cells in a rabbit model. J Biomed Res 2018; 33:38. [PMID: 30007953 PMCID: PMC6352878 DOI: 10.7555/jbr.32.20160066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 03/07/2017] [Indexed: 01/22/2023] Open
Abstract
It has been shown that stem cells are able to calcify both in vitro and in vivo once implanted under the skin, if conveniently differentiated. Nowadays, however, a study on their efficiency in osseous regeneration does not exist in scientific literature and this very task is the real aim of the present experimentation. Five different defects of 6 mm in diameter and 2 mm in depth were created in the calvaria of 8 white New Zealand rabbits. Four defects were regenerated using 2 different conveniently modified scaffolds (Bio-Oss® Block and Bio-Oss Collagen®, Geistlich), with and without the aid of stem cells. After the insertion, the part was covered with a collagen membrane fixed by 5 modified titan pins (Altapin®). The defect in the front was left empty on purpose as an internal control to each animal. Two animals were sacrificed respectively after 2, 4, 6, 10 weeks. The samples were evaluated with micro-CT and histological analysis. Micro-CT analysis revealed that the quantity of new bone for samples with Bio-Oss® Block and stem cells was higher than for samples with Bio-Oss® Block alone. Histological analysis showed that regeneration occurred in an optimal way in every sample treated with scaffolds. The findings indicated that the use of adult stem cells combined with scaffolds accelerated some steps in normal osseous regeneration.
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Affiliation(s)
- Michele Maglione
- . Department of Medical Sciences, University of Trieste, Trieste 34125, Italy
| | - Enrico Salvador
- . Department of Medical Sciences, University of Trieste, Trieste 34125, Italy
| | - Maria E. Ruaro
- . SISSA-International School for Advanced Studies, Trieste 34136, Italy
| | - Mauro Melato
- . Department of Pathology and Legal Medicine, University of Trieste, Trieste 34125, Italy
| | - Giuliana Tromba
- . Elettra-Sincrotrone Trieste S.C.p.A., Trieste 34149, Italy
| | - Daniele Angerame
- . Department of Medical Sciences, University of Trieste, Trieste 34125, Italy
| | - Lorenzo Bevilacqua
- . Department of Medical Sciences, University of Trieste, Trieste 34125, Italy
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Location, Isolation, and Identification of Mesenchymal Stem Cells from Adult Human Sweat Glands. Stem Cells Int 2018; 2018:2090276. [PMID: 29983714 PMCID: PMC6015687 DOI: 10.1155/2018/2090276] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 05/03/2018] [Accepted: 05/15/2018] [Indexed: 12/17/2022] Open
Abstract
Sweat glands (SGs) are spread over almost the entire surface of the human body and are essential for thermoregulation. Theoretically, tissue-specific stem cells (TSSCs) are excellent candidate cells for the regeneration of SGs due to their genetic stability and differentiation ability. Herein, we attempted to isolate TSSCs derived from adult human sweat glands (ahSGs). ahSGs were localized and identified by H&E staining, double immunofluorescence staining, transmission electron microscope (TEM), and immuno-TEM. We found a population of cells with stem cell characteristics (SGSCs), located in basal myoepithelial cells of the secretory portion of the solenoid bulb. The SGSCs expressed alpha-smooth muscle actin (α-SMA) and showed the typical characteristics of mesenchymal stem cells (MSCs), with a positive antigen profile for CD44, CD73, CD90, and CD105, and had the multilineage differentiation potential to osteoblasts and adipocytes. In addition, the isolated α-SMA positive cells remained stably phenotypic and proliferative cycles at passage 12. This is the first report of successful isolation of MSC-like cells from ahSGs, which may contribute to wound repair and SG regeneration.
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Xu Z, Zhao R, Huang X, Wang X, Tang S. Fabrication and biocompatibility of agarose acetate nanofibrous membrane by electrospinning. Carbohydr Polym 2018; 197:237-245. [PMID: 30007609 DOI: 10.1016/j.carbpol.2018.06.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 05/26/2018] [Accepted: 06/02/2018] [Indexed: 10/14/2022]
Abstract
In the present paper, agarose acetate (AGA) nanofibrous membranes containing different weight percentages of β-tricalcium phosphate (β-TCP) were successfully developed through electrospinning. The fibers in the nanofibrous membranes had a rough surface due to the β-TCP particles which were uniformly dispersed within or on the surface of AGA fibers. Rat-bone marrow-derived mesenchymal stem cells (rBMSCs) were cultured on the AGA based nanofibrous membranes while showed a good adhesion and proliferation. It was found that more rBMSCs were differentiated to osteoblast-like cells on the β-TCP containing nanofibrous membranes compared with the single AGA membrane, and more alkaline phosphatase (ALP) and mineralized matrix could be detected when rBMSCs were cultured on the β-TCP containing nanofibrous membranes. The nanofibrous membranes were implanted into Sprague-Dawley (SD) rats for biocompatibility test. Gross examination and histological analysis of the AGA based nanofibrous membranes results showed that there was less inflammatory response. All of experimental results suggested that the AGA based nanofibrous membranes had the great potential application in bone tissue engineering.
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Affiliation(s)
- Zunkai Xu
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Ruifang Zhao
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Xiuying Huang
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Xiaoying Wang
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Shunqing Tang
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China.
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Chinnasami H, Gimble J, Devireddy RV. Structure–property relation of porous poly (l-lactic acid) scaffolds fabricated using organic solvent mixtures and controlled cooling rates and its bio-compatibility with human adipose stem cells. J BIOACT COMPAT POL 2018. [DOI: 10.1177/0883911518758354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Thermally induced phase separation method was used to make porous three-dimensional poly (l-lactic acid) scaffolds. The effect of imposed thermal profile during freezing of the poly (l-lactic acid) in dioxane solution on the scaffold was characterized by their micro-structure, porosity (%), pore sizes’ distribution, and mechanical strength. The porosity (%) decreased considerably with increasing concentrations of poly (l-lactic acid) in the solution, while a decreasing trend was observed with increasing cooling rates. The mechanical strength increases with increase in poly (l-lactic acid) concentration and also with increase in the cooling rate for both types of solvents. Therefore, mechanical strength was increased by higher cooling rates while the porosity (%) remained relatively consistent. Scaffolds made using higher concentrations of poly (l-lactic acid; 7% and 10% w/v) in solvent showed better mechanical strength which improved relatively with increasing cooling rates (1°C–40°C/min). This phenomenon of enhanced structural integrity with increasing cooling rates was more prominent in scaffolds made from higher initial poly (l-lactic acid) concentrations. Human adipose–derived stem cells were cultured on these scaffold (7% and 10% w/v) prepared by thermally induced phase separation at all cooling rates to measure the cell proliferation efficiency as a function of their micro-structural properties. Mean pore sizes played a crucial role in cell proliferation than percent porosity since all scaffolds were >88% porous. The viability percent of human adipose tissue–derived adult stem cells increased consistently with longer periods of culture. Thus, poly (l-lactic acid) scaffolds prepared by thermally controlled thermally induced phase separation method could be a prime candidate for making ex vivo tissue-engineered grafts for surgical implantation.
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Affiliation(s)
- Harish Chinnasami
- Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA, USA
| | - Jeff Gimble
- LaCell, LLC and Tulane Center for Stem Cell Research & Regenerative Medicine and Departments of Medicine, Structural & Cellular Biology and Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Ram V Devireddy
- Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA, USA
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