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Li D, Liu C, Wang H, Li Y, Wang Y, An S, Sun S. The Role of Neuromodulation and Potential Mechanism in Regulating Heterotopic Ossification. Neurochem Res 2024; 49:1628-1642. [PMID: 38416374 DOI: 10.1007/s11064-024-04118-8] [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: 11/03/2023] [Revised: 01/17/2024] [Accepted: 01/28/2024] [Indexed: 02/29/2024]
Abstract
Heterotopic ossification (HO) is a pathological process characterized by the aberrant formation of bone in muscles and soft tissues. It is commonly triggered by traumatic brain injury, spinal cord injury, and burns. Despite a wide range of evidence underscoring the significance of neurogenic signals in proper bone remodeling, a clear understanding of HO induced by nerve injury remains rudimentary. Recent studies suggest that injury to the nervous system can activate various signaling pathways, such as TGF-β, leading to neurogenic HO through the release of neurotrophins. These pathophysiological changes lay a robust groundwork for the prevention and treatment of HO. In this review, we collected evidence to elucidate the mechanisms underlying the pathogenesis of HO related to nerve injury, aiming to enhance our understanding of how neurological repair processes can culminate in HO.
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Affiliation(s)
- Dengju Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Changxing Liu
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Haojue Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Yunfeng Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Yaqi Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Senbo An
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
| | - Shui Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China.
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2
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Qiu D, Wei W, Chen J, Huang J, Yang Y, Luo Z. In vitro determination of osteo-adipogenic lineage choice of bone marrow stromal/stem cells (BMSCs). MethodsX 2024; 12:102637. [PMID: 38445171 PMCID: PMC10912731 DOI: 10.1016/j.mex.2024.102637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 02/26/2024] [Indexed: 03/07/2024] Open
Abstract
Bone marrow stromal/stem cells (BMSCs) are primitive and heterogeneous cells that can be differentiated into osteoblasts, adipocytes and other subsets. Their bone-fat lineage commitment is responsible for the homeostasis of bone marrow microenvironment. However, there are little effective methods and evidence to simultaneously visualise the lineage commitment of BMSCs. Here we provide a bivalent differentiation medium that can enable BMSCs differentiation into osteoblasts and adipocytes in vitro, and establish a method to simultaneously distinguish osteoblasts or adipocytes from the heterogeneous BMSCs based on Alizarin red S and Oil red O staining, which have been used for detection of specific mineralized nodules and lipid droplets, respectively. This assay provides a specifically simple but effective and low-cost method to evaluate the efficiency of osteo-adipogenic (OA) allocation of BMSCs.►Researchers can utilize the bivalent differentiation medium to evaluate the efficiency of osteogenic and adipogenic differentiation of BMSCs in vitro.
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Affiliation(s)
- Dawei Qiu
- Department of Physical Education, Guangxi University of Chinese Medicine, Guangxi, Nanning 530200, China
| | - Wanyi Wei
- Faculty of Chinese Medicine Science, Guangxi University of Chinese Medicine, Guangxi, Nanning 530200, China
| | - Jia Chen
- Faculty of Chinese Medicine Science, Guangxi University of Chinese Medicine, Guangxi, Nanning 530200, China
| | - Jingwen Huang
- Faculty of Chinese Medicine Science, Guangxi University of Chinese Medicine, Guangxi, Nanning 530200, China
| | - Yong Yang
- Faculty of Nursing, Guangxi University of Chinese Medicine, Guangxi, Nanning 530200, China
| | - Ziwei Luo
- College of Orthopedics, Guangxi University of Chinese Medicine, Guangxi, Nanning 530200, China
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3
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Li SG, Guo ZL, Tao SY, Han T, Zhou J, Lin WY, Guo X, Li CX, Diwas S, Hu XW. In vivo study on osteogenic efficiency of nHA/ gel porous scaffold with nacre water-soluble matrix. Tissue Cell 2024; 88:102347. [PMID: 38489914 DOI: 10.1016/j.tice.2024.102347] [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: 11/24/2023] [Revised: 02/20/2024] [Accepted: 03/04/2024] [Indexed: 03/17/2024]
Abstract
BACKGROUND/PURPOSE Nano-hydroxyapatite (nHA)/ gel porous scaffolds loaded with WSM carriers are promising bone replacement materials that can improve osseointegration ability. This investigation aimed to evaluate the osteoinductive activity by implanting the composition of nano-hydroxyapatite (nHA)/ Gel porous scaffolds as a carrier of WSM via an animal model. MATERIALS AND METHODS WSM was extracted and nHA was added to the matrix to construct porous composite scaffolds. The dose-effect curve of WSM concentration and alkaline phosphatase (ALP) activity was made by culturing rat osteoblasts and examining the absorbance. Three different materials were implanted into critical size defects (CSD) in the skulls of rats, which were further divided into four groups: WSM nHA /Gel group, n-WSM nHA /Gel group, HA powder group, and control group. RESULTS WSM (150 μg/mL-250μg/mL) effectively improved the activity of ALP in rat osteoblasts. All rats in each group had normal healing. WSM-loaded nHA /Gel group showed better performance on newly-formed bone tissue of rat skull and back at 4th week and 8th week, respectively. At the 4th week, the network of woven bone formed in the WSM-loaded nHA/Gel scaffold material. At 8th week, the reticular trabecular bone in the WSM-loaded scaffold material became dense lamellar bone, and the defect was mature lamellar bone. In the subcutaneous implantation experiment, WSM-loaded nHA/Gel scaffold material showed a better performance of heterotopic ossification than the pure nHA/Gel scaffold material. CONCLUSION WSM promotes osteoblast differentiation and bone mineralization. The results confirm that the nHA/ Gel Porous Scaffold with Nacre Water-Soluble Matrix has a significant bone promoting effect and can be used as a choice for tissue engineering to repair bone defects.
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Affiliation(s)
- SiRi-GuLeng Li
- Department of Dentistry, Guangzhou Health Science College, Guangzhou, PR China
| | - Zhu-Ling Guo
- School of Dentistry, Hainan Medical University, Haikou, PR China; Department of Health Management Center, The First Affiliated Hospital of Hainan Medical University, Haikou, PR China
| | - Si-Yu Tao
- School of Dentistry, Hainan Medical University, Haikou, PR China
| | - Tao Han
- School of Dentistry, Hainan Medical University, Haikou, PR China
| | - Jie Zhou
- School of Dentistry, Hainan Medical University, Haikou, PR China
| | - Wan-Yun Lin
- School of Dentistry, Hainan Medical University, Haikou, PR China
| | - Xiang Guo
- School of Dentistry, Hainan Medical University, Haikou, PR China
| | - Chu-Xing Li
- Department of Dentistry, The Second Affiliated Hospital of Hainan Medical University, Haikou, PR China
| | - Sunchuri Diwas
- School of International Education, Hainan Medical University, Haikou, PR China
| | - Xiao-Wen Hu
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong provincial key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, PR China.
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Truchan K, Osyczka AM. Noggin promotes osteogenesis in human adipose-derived mesenchymal stem cells via FGFR2/Src/Akt and ERK signaling pathway. Sci Rep 2024; 14:6724. [PMID: 38509118 PMCID: PMC10954655 DOI: 10.1038/s41598-024-56858-w] [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: 11/07/2023] [Accepted: 03/12/2024] [Indexed: 03/22/2024] Open
Abstract
The balance between Noggin and bone morphogenetic proteins (BMPs) is important during early development and skeletal regenerative therapies. Noggin binds BMPs in the extracellular space, thereby preventing BMP signaling. However, Noggin may affect cell response not necessarily through the modulation of BMP signaling, raising the possibility of direct Noggin signaling through yet unspecified receptors. Here we show that in osteogenic cultures of adipose-derived stem cells (ASCs), Noggin activates fibroblast growth factor receptors (FGFRs), Src/Akt and ERK kinases, and it stabilizes TAZ proteins in the presence of dexamethasone. Overall, this leads ASCs to increased expression of osteogenic markers and robust mineral deposition. Our results also indicate that Noggin can induce osteogenic genes expression in normal human bone marrow stem cells and alkaline phosphatase activity in normal human dental pulp stem cells. Besides, Noggin can specifically activate FGFR2 in osteosarcoma cells. We believe our findings open new research avenues to further explore the involvement of Noggin in cell fate modulation by FGFR2/Src/Akt/ERK signaling and potential applications of Noggin in bone regenerative therapies.
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Affiliation(s)
- Karolina Truchan
- Department of Cell Biology and Imaging, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa St. 9, 30-387, Kraków, Poland.
| | - Anna Maria Osyczka
- Department of Cell Biology and Imaging, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa St. 9, 30-387, Kraków, Poland.
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Zhang Z, Mu Y, Zhou H, Yao H, Wang DA. Cartilage Tissue Engineering in Practice: Preclinical Trials, Clinical Applications, and Prospects. TISSUE ENGINEERING. PART B, REVIEWS 2023; 29:473-490. [PMID: 36964757 DOI: 10.1089/ten.teb.2022.0190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/26/2023]
Abstract
Articular cartilage defects significantly compromise the quality of life in the global population. Although many strategies are needed to repair articular cartilage, including microfracture, autologous osteochondral transplantation, and osteochondral allograft, the therapeutic effects remain suboptimal. In recent years, with the development of cartilage tissue engineering, scientists have continuously improved the formulations of therapeutic cells, biomaterial-based scaffolds, and biological factors, which have opened new avenues for better therapeutics of cartilage lesions. This review focuses on advances in cartilage tissue engineering, particularly in preclinical trials and clinical applications, prospects, and challenges.
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Affiliation(s)
- Zhen Zhang
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR
| | - Yulei Mu
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR
| | - Huiqun Zhou
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR
| | - Hang Yao
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, P.R. China
| | - Dong-An Wang
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR
- Karolinska Institutet Ming Wai Lau Centre for Reparative Medicine, HKSTP, Sha Tin, Hong Kong SAR
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, P.R. China
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Krasnova O, Neganova I. Assembling the Puzzle Pieces. Insights for in Vitro Bone Remodeling. Stem Cell Rev Rep 2023; 19:1635-1658. [PMID: 37204634 DOI: 10.1007/s12015-023-10558-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2023] [Indexed: 05/20/2023]
Abstract
As a highly dynamic organ, bone changes during throughout a person's life. This process is referred to as 'bone remodeling' and it involves two stages - a well-balanced osteoclastic bone resorption and an osteoblastic bone formation. Under normal physiological conditions bone remodeling is highly regulated that ensures tight coupling between bone formation and resorption, and its disruption results in a bone metabolic disorder, most commonly osteoporosis. Though osteoporosis is one of the most prevalent skeletal ailments that affect women and men aged over 40 of all races and ethnicities, currently there are few, if any safe and effective therapeutic interventions available. Developing state-of-the-art cellular systems for bone remodeling and osteoporosis can provide important insights into the cellular and molecular mechanisms involved in skeletal homeostasis and advise better therapies for patients. This review describes osteoblastogenesis and osteoclastogenesis as two vital processes for producing mature, active bone cells in the context of interactions between cells and the bone matrix. In addition, it considers current approaches in bone tissue engineering, pointing out cell sources, core factors and matrices used in scientific practice for modeling bone diseases and testing drugs. Finally, it focuses on the challenges that bone regenerative medicine is currently facing.
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Affiliation(s)
- O Krasnova
- Institute of Cytology, Russian Academy of Sciences, Saint-Petersburg, Russia
| | - I Neganova
- Institute of Cytology, Russian Academy of Sciences, Saint-Petersburg, Russia.
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7
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Mehta KJ. Iron-Related Genes and Proteins in Mesenchymal Stem Cell Detection and Therapy. Stem Cell Rev Rep 2023; 19:1773-1784. [PMID: 37269528 PMCID: PMC10238768 DOI: 10.1007/s12015-023-10569-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2023] [Indexed: 06/05/2023]
Abstract
Mesenchymal stem cells (MSCs) are located in various tissues of the body. These cells exhibit regenerative and reparative properties, which makes them highly valuable for cell-based therapy. Despite this, majority of MSC-related studies remain to be translated for regular clinical use. This is partly because there are methodical challenges in pre-administration MSC labelling, post-administration detection and tracking of cells, and in retention of maximal therapeutic potential in-vivo. This calls for exploration of alternative or adjunctive approaches that would enable better detection of transplanted MSCs via non-invasive methods and enhance MSC therapeutic potential in-vivo. Interestingly, these attributes have been demonstrated by some iron-related genes and proteins.Accordingly, this unique forward-looking article integrates the apparently distinct fields of iron metabolism and MSC biology, and reviews the utility of iron-related genes and iron-related proteins in facilitating MSC detection and therapy, respectively. Effects of genetic overexpression of the iron-related proteins ferritin, transferrin receptor-1 and MagA in MSCs and their utilisation as reporter genes for improving MSC detection in-vivo are critically evaluated. In addition, the beneficial effects of the iron chelator deferoxamine and the iron-related proteins haem oxygenase-1, lipocalin-2, lactoferrin, bone morphogenetic protein-2 and hepcidin in enhancing MSC therapeutics are highlighted with the consequent intracellular alterations in MSCs. This review aims to inform both regenerative and translational medicine. It can aid in formulating better methodical approaches that will improve, complement, or provide alternatives to the current pre-transplantation MSC labelling procedures, and enhance MSC detection or augment the post-transplantation MSC therapeutic potential.
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Affiliation(s)
- Kosha J Mehta
- Centre for Education, Faculty of Life Sciences and Medicine, King's College London, London, UK.
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Sachse A, Hasenbein I, Hortschansky P, Schmuck KD, Maenz S, Illerhaus B, Kuehmstedt P, Ramm R, Huber R, Kunisch E, Horbert V, Gunnella F, Roth A, Schubert H, Kinne RW. BMP-2 (and partially GDF-5) coating significantly accelerates and augments bone formation close to hydroxyapatite/tricalcium-phosphate/brushite implant cylinders for tibial bone defects in senile, osteopenic sheep. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:31. [PMID: 37378714 PMCID: PMC10307740 DOI: 10.1007/s10856-023-06734-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023]
Abstract
Bilateral defects (diameter 8 mm) in the medial tibial head of senile, osteopenic female sheep (n = 48; 9.63 ± 0.10 years; mean ± SEM) were treated with hydroxyapatite (HA)/beta-tricalcium phosphate (β-TCP)/dicalcium phosphate dihydrate (DCPD; brushite) cylinders coated with BMP-2 (25 or 250 micrograms) or growth differentiation factor (GDF)-5 (125 or 1250 micrograms; left side); cylinders without BMP served as controls (right side). Three, 6, and 9 months post-operation (n = 6 each group), bone structure and formation were analyzed in vivo by X-ray and ex vivo by osteodensitometry, histomorphometry, and micro-computed tomography (micro-CT) at 3 and 9 months. Semi-quantitative X-ray evaluation showed significantly increasing bone densities around all implant cylinders over time. High-dose BMP-2-coated cylinders (3 and 9 months) and low-dose GDF-5-coated cylinders (3 and 6 months) demonstrated significantly higher densities than controls (dose-dependent for BMP-2 at 3 months). This was confirmed by osteodensitometry at 9 months for high-dose BMP-2-coated cylinders (and selected GDF-5 groups), and was again dose-dependent for BMP-2. Osteoinduction by BMP-2 was most pronounced in the adjacent bone marrow (dynamic histomorphometry/micro-CT). BMP-2 (and partially GDF-5) significantly increased the bone formation in the vicinity of HA/TCP/DCPD cylinders used to fill tibial bone defects in senile osteopenic sheep and may be suitable for surgical therapy of critical size, non-load-bearing bone defects in cases of failed tibial head fracture or defect healing.
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Affiliation(s)
- André Sachse
- Experimental Rheumatology Unit, Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
- Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
| | - Ines Hasenbein
- Experimental Rheumatology Unit, Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
- Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
| | - Peter Hortschansky
- Leibniz-Institute for Natural Products Research and Infection Biology-Hans-Knoell-Institute, Jena, Germany
| | - Klaus D Schmuck
- Johnson & Johnson Medical GmbH, DePuy Synthes, Norderstedt, Germany
| | - Stefan Maenz
- Chair of Materials Science, Otto Schott Institute of Materials Research, Friedrich Schiller University Jena, Jena, Germany
| | - Bernhard Illerhaus
- Federal Institute for Materials Research and Testing (BAM), Berlin, Germany
| | - Peter Kuehmstedt
- Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Jena, Germany
| | - Roland Ramm
- Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Jena, Germany
| | - René Huber
- Institute of Clinical Chemistry, Hannover Medical School, Hannover, Germany
| | - Elke Kunisch
- Experimental Rheumatology Unit, Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
| | - Victoria Horbert
- Experimental Rheumatology Unit, Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
| | - Francesca Gunnella
- Experimental Rheumatology Unit, Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany
| | - Andreas Roth
- Bereich Endoprothetik/Orthopädie, Klinik für Orthopädie, Unfallchirurgie und Plastische Chirurgie, Uniklinik Leipzig AöR, Leipzig, Germany
| | - Harald Schubert
- Institute of Laboratory Animal Sciences and Welfare, Jena University Hospital, Jena, Germany
| | - Raimund W Kinne
- Experimental Rheumatology Unit, Orthopedic Professorship, Jena University Hospital, Waldkliniken Eisenberg GmbH, Eisenberg, Germany.
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Weißenberger M, Wagenbrenner M, Nickel J, Ahlbrecht R, Blunk T, Steinert AF, Gilbert F. Comparative in vitro treatment of mesenchymal stromal cells with GDF-5 and R57A induces chondrogenic differentiation while limiting chondrogenic hypertrophy. J Exp Orthop 2023; 10:29. [PMID: 36943593 PMCID: PMC10030724 DOI: 10.1186/s40634-023-00594-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 03/08/2023] [Indexed: 03/23/2023] Open
Abstract
PURPOSE Hypertrophic cartilage is an important characteristic of osteoarthritis and can often be found in patients suffering from osteoarthritis. Although the exact pathomechanism remains poorly understood, hypertrophic de-differentiation of chondrocytes also poses a major challenge in the cell-based repair of hyaline cartilage using mesenchymal stromal cells (MSCs). While different members of the transforming growth factor beta (TGF-β) family have been shown to promote chondrogenesis in MSCs, the transition into a hypertrophic phenotype remains a problem. To further examine this topic we compared the effects of the transcription growth and differentiation factor 5 (GDF-5) and the mutant R57A on in vitro chondrogenesis in MSCs. METHODS Bone marrow-derived MSCs (BMSCs) were placed in pellet culture and in-cubated in chondrogenic differentiation medium containing R57A, GDF-5 and TGF-ß1 for 21 days. Chondrogenesis was examined histologically, immunohistochemically, through biochemical assays and by RT-qPCR regarding the expression of chondrogenic marker genes. RESULTS Treatment of BMSCs with R57A led to a dose dependent induction of chondrogenesis in BMSCs. Biochemical assays also showed an elevated glycosaminoglycan (GAG) content and expression of chondrogenic marker genes in corresponding pellets. While treatment with R57A led to superior chondrogenic differentiation compared to treatment with the GDF-5 wild type and similar levels compared to incubation with TGF-ß1, levels of chondrogenic hypertrophy were lower after induction with R57A and the GDF-5 wild type. CONCLUSIONS R57A is a stronger inducer of chondrogenesis in BMSCs than the GDF-5 wild type while leading to lower levels of chondrogenic hypertrophy in comparison with TGF-ß1.
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Affiliation(s)
- Manuel Weißenberger
- Department of Orthopaedic Surgery, Center for Musculoskeletal Research, Julius-Maximilians-University Würzburg, König-Ludwig-Haus, Würzburg, Germany.
- Department of Orthopedic Surgery, University of Wuerzburg, König-Ludwig-Haus, Brettreichstraße 11, 97074, Würzburg, Germany.
| | - Mike Wagenbrenner
- Department of Orthopaedic Surgery, Center for Musculoskeletal Research, Julius-Maximilians-University Würzburg, König-Ludwig-Haus, Würzburg, Germany
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
| | - Joachim Nickel
- Department of Tissue Engineering and Regenerative Medicine, Julius-Maximilians-University Würzburg, University Hospital, Würzburg, Germany
| | - Rasmus Ahlbrecht
- Department of Orthopaedic Surgery, Center for Musculoskeletal Research, Julius-Maximilians-University Würzburg, König-Ludwig-Haus, Würzburg, Germany
- Department of Trauma-, Hand-, Plastic- and Reconstructive Surgery, Julius-Maximilians-University Würzburg, University Hospital, Würzburg, Germany
| | - Torsten Blunk
- Department of Trauma-, Hand-, Plastic- and Reconstructive Surgery, Julius-Maximilians-University Würzburg, University Hospital, Würzburg, Germany
| | - Andre F Steinert
- Department of Orthopaedic Surgery, Center for Musculoskeletal Research, Julius-Maximilians-University Würzburg, König-Ludwig-Haus, Würzburg, Germany
- Current address:, Department of Orthopaedic, Trauma, Shoulder and Arthroplasty Surgery, Rhön-Klinikum, Campus Bad Neustadt, Bad Neustadt, Germany
| | - Fabian Gilbert
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
- Department of Trauma-, Hand-, Plastic- and Reconstructive Surgery, Julius-Maximilians-University Würzburg, University Hospital, Würzburg, Germany
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10
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Ma S, Wei Y, Sun R, Xu H, Liu X, Wang Y, Liang Z, Hu Y, Lian X, Ma X, Huang D. Calcium Phosphate Bone Cements Incorporated with Black Phosphorus Nanosheets Enhanced Osteogenesis. ACS Biomater Sci Eng 2023; 9:292-302. [PMID: 36525060 DOI: 10.1021/acsbiomaterials.2c00742] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
For decades, calcium phosphate bone cements (CPCs) showed impressive advantages for their good biocompatibility, injectability, and osteoconductivity in the bone repair field. However, it is still difficult to prepare CPCs with outstanding antibacterial and self-curing properties, sufficient phosphorus release, and osteoinductivity for clinical application. Herein, we used partially crystallized calcium phosphate and dicalcium phosphate anhydrate particles incorporated with black phosphorous nanosheets to prepare calcium phosphate bone cements (CPCs). The curing time, compressive strength, photothermal properties, and degradation performance of BP/CPC were investigated. In addition, the cytocompatibility and osteoinductivity of BP/CPC were evaluated by cell adhesion, cytotoxicity, alkaline phosphatase detection, alizarin red staining, and western blot assay. The results indicated that BP/CPC showed adjustable curing time, good cytocompatibility, outstanding photothermal properties, and osteoinductivity, suggesting their potential application for bone regeneration.
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Affiliation(s)
- Shilong Ma
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yan Wei
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, P. R. China.,Shanxi Provincial Key Laboratory for Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd., Taiyuan 030032, P. R. China
| | - Ruize Sun
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Haofeng Xu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xuanyu Liu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yuhui Wang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Ziwei Liang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, P. R. China
| | - Yinchun Hu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, P. R. China
| | - Xiaojie Lian
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, P. R. China.,Shanxi Provincial Key Laboratory for Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd., Taiyuan 030032, P. R. China
| | - Xiaolu Ma
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, P. R. China
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11
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Rothweiler R, Kuhn S, Stark T, Heinemann S, Hoess A, Fuessinger MA, Brandenburg LS, Roelz R, Metzger MC, Hubbe U. Development of a new critical size defect model in the paranasal sinus and first approach for defect reconstruction-An in vivo maxillary bone defect study in sheep. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:76. [PMID: 36264396 PMCID: PMC9584845 DOI: 10.1007/s10856-022-06698-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
Fractures of the paranasal sinuses often require surgical intervention. Persisting bone defects lead to permanent visible deformities of the facial contours. Bone substitutes for reconstruction of defects with simultaneous induction of new bone formation are not commercially available for the paranasal sinus. New materials are urgently needed and have to be tested in their future area of application. For this purpose critical size defect models for the paranasal sinus have to be developed. A ≥2.4 cm large bilateral circular defect was created in the anterior wall of the maxillary sinus in six sheep via an extraoral approach. The defect was filled with two types of an osteoconductive titanium scaffold (empty scaffold vs. scaffold filled with a calcium phosphate bone cement paste) or covered with a titanium mesh either. Sheep were euthanized after four months. All animals performed well, no postoperative complications occured. Meshes and scaffolds were safely covered with soft tissue at the end of the study. The initial defect size of ≥2.4 cm only shrunk minimally during the investigation period confirming a critical size defect. No ingrowth of bone into any of the scaffolds was observed. The anterior wall of the maxillary sinus is a region with low complication rate for performing critical size defect experiments in sheep. We recommend this region for experiments with future scaffold materials whose intended use is not only limited to the paranasal sinus, as the defect is challenging even for bone graft substitutes with proven osteoconductivity. Graphical abstract.
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Affiliation(s)
- R Rothweiler
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - S Kuhn
- Stryker Leibinger GmbH & Co. KG, Bötzinger Straße 41, 79111, Freiburg, Germany
| | - T Stark
- Stryker Leibinger GmbH & Co. KG, Bötzinger Straße 41, 79111, Freiburg, Germany
| | - S Heinemann
- INNOTERE GmbH, Meissner Str. 191, 01445, Radebeul, Germany
| | - A Hoess
- INNOTERE GmbH, Meissner Str. 191, 01445, Radebeul, Germany
| | - M A Fuessinger
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany
| | - L S Brandenburg
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany
| | - R Roelz
- Department of Neurosurgery, Faculty of Medicine, University of Freiburg, Breisacher Str. 64, 79106, Freiburg, Germany
| | - M C Metzger
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany
| | - U Hubbe
- Department of Neurosurgery, Faculty of Medicine, University of Freiburg, Breisacher Str. 64, 79106, Freiburg, Germany.
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12
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Ahmed AKMA, Nakagawa H, Isaksen TJ, Yamashita T. The effects of Bone Morphogenetic Protein 4 on adult neural stem cell proliferation, differentiation and survival in an in vitro model of ischemic stroke. Neurosci Res 2022; 183:17-29. [PMID: 35870553 DOI: 10.1016/j.neures.2022.07.004] [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: 01/06/2022] [Revised: 06/28/2022] [Accepted: 07/18/2022] [Indexed: 11/29/2022]
Abstract
The subventricular zone (SVZ) of the lateral ventricles represents a main region where neural stem cells (NSCs) of the mature central nervous system (CNS) reside. Bone Morphogenetic Proteins (BMPs) are the largest subclass of the transforming growth factor-β (TGF-β) superfamily of ligands. BMP4 is one such member and plays important roles in adult NSC differentiation. However, the exact effects of BMP4 on SVZ adult NSCs in CNS ischemia are still unknown. Using oxygen and glucose deprivation (OGD) as an in vitro model of ischemia, we examined the behavior of adult NSCs. We observed that anoxia resulted in reduced viability of adult NSCs, and that BMP4 treatment clearly rescued apoptotic cell death following anoxia. Furthermore, BMP4 treatment exhibited a strong inhibitory effect on cellular proliferation of the adult NSCs in normoxic conditions. Moreover, such inhibitory effects of BMP4 treatment were also found in OGD conditions, despite the enhanced cellular proliferation of the adult NSCs that was observed under such ischemic conditions. Increased neuronal and astroglial commitment of adult NSCs were found in the OGD conditions, whereas a reduction in differentiated neurons and an increase in differentiated astrocytes were observed following BMP4 treatment. The present data indicate that BMP4 modulates proliferation and differentiation of SVZ-derived adult NSCs and promotes cell survival in the in vitro model of ischemic stroke.
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Affiliation(s)
- Ahmed K M A Ahmed
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, 2-2, Yamadaoka, Suita, Osaka 565-0871, Japan; WPI Immunology Frontier Research Center, Osaka University, 3-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hiroshi Nakagawa
- WPI Immunology Frontier Research Center, Osaka University, 3-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Toke Jost Isaksen
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, 2-2, Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Toshihide Yamashita
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, 2-2, Yamadaoka, Suita, Osaka 565-0871, Japan; WPI Immunology Frontier Research Center, Osaka University, 3-1, Yamadaoka, Suita, Osaka 565-0871, Japan; Graduate School of Frontier Bioscience, Osaka University, 2-2, Yamadaoka, Suita, Osaka 565-0871, Japan; Department of Neuro-Medical Science, Graduate School of Medicine, Osaka University, 2-2, Yamadaoka, Suita, Osaka 565-0871, Japan.
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13
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Beschloss AM, DiCindio CM, Lombardi JS, Shillingford JN, Laratta JL, Holderread B, Louie P, Pugely AJ, Sardar Z, Khalsa AS, Arlet VM, Saifi C. The Rise and Fall of Bone Morphogenetic Protein 2 Throughout the United States. Clin Spine Surg 2022; 35:264-269. [PMID: 35180720 DOI: 10.1097/bsd.0000000000001301] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 01/17/2022] [Indexed: 11/25/2022]
Abstract
STUDY DESIGN Retrospective Database Study. OBJECTIVE Investigate utilization of bone morphogenetic protein (BMP-2) between 2004 and 2014. SUMMARY OF BACKGROUND DATA The utilization, particularly off-label utilization, of BMP-2 has been controversial and debated in the literature. Given the concerns regarding cancer and potential complications, the risk benefit profile of BMP must be weighed with each surgical case. The debate regarding the costs and potential side effects of BMP-2 compared with autologous iliac crest bone harvest has continued. METHODS The National Inpatient Sample (NIS) database was queried for the use of BMP-2 (ICD-9-CM 84.52) between 2004 and 2014 across 44 states. The NIS database represents a 20% sample of discharges, weighted to provide national estimates. BMP-2 utilization rates in spine surgery fusion procedures were calculated as a fraction of the total number of thoracic, lumbar, and sacral spinal fusion surgeries performed each year. RESULTS Between 2004 and 2014, BMP-2 was utilized in 927,275 spinal fusion surgeries. In 2004, BMP-2 was utilized in 28.3% of all cases (N=48,613). The relative use of BMP-2 in spine fusion surgeries peaked in 2008 at 47.0% (N=112,180). Since then, it has continued to steadily decline with an endpoint of 23.6% of cases in 2014 (N=60,863). CONCLUSIONS Throughout the United States, the utilization of BMP-2 in thoracolumbar fusion surgeries increased from 28.3% to 47.0% between 2004 and 2008. However, from 2008 to 2014, the utilization of BMP-2 in thoracolumbar spine fusion surgeries decreased significantly from 47.0% to 23.4%. While this study provides information on the utilization of BMP-2 for the entire United States over an 11-year period, further research is needed to the determine the factors affecting these trends.
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Affiliation(s)
- Alexander M Beschloss
- Department of Orthopaedic Surgery, Perelman School of Medicine The Spine Center at Pennsylvania Hospital, Philadelphia, PA
| | - Christina M DiCindio
- Department of Orthopaedic Surgery, Perelman School of Medicine The Spine Center at Pennsylvania Hospital, Philadelphia, PA
| | - Joseph S Lombardi
- Department of Orthopaedic Surgery, Columbia University Medical Center, The Spine Hospital at New York-Presbyterian, New York, NY
| | - Jamal N Shillingford
- Department of Orthopaedic Surgery, Columbia University Medical Center, The Spine Hospital at New York-Presbyterian, New York, NY
| | | | - Brendan Holderread
- Department of Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, TX
| | - Phillip Louie
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY
| | - Andrew J Pugely
- Department of Orthopedics and Rehabilitation, Carver College of Medicine, University of Iowa, Iowa City, IA
| | - Zeeshan Sardar
- Department of Orthopaedic Surgery, Columbia University Medical Center, The Spine Hospital at New York-Presbyterian, New York, NY
| | - Amrit S Khalsa
- Department of Orthopaedic Surgery, Perelman School of Medicine The Spine Center at Pennsylvania Hospital, Philadelphia, PA
| | - Vincent M Arlet
- Department of Orthopaedic Surgery, Perelman School of Medicine The Spine Center at Pennsylvania Hospital, Philadelphia, PA
| | - Comron Saifi
- Department of Orthopaedic Surgery, Perelman School of Medicine The Spine Center at Pennsylvania Hospital, Philadelphia, PA
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14
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Early Osteogenic Marker Expression in hMSCs Cultured onto Acid Etching-Derived Micro- and Nanotopography 3D-Printed Titanium Surfaces. Int J Mol Sci 2022; 23:ijms23137070. [PMID: 35806083 PMCID: PMC9266831 DOI: 10.3390/ijms23137070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/17/2022] [Accepted: 06/22/2022] [Indexed: 12/13/2022] Open
Abstract
Polyetheretherketone (PEEK) titanium composite (PTC) is a novel interbody fusion device that combines a PEEK core with titanium alloy (Ti6Al4V) endplates. The present study aimed to investigate the in vitro biological reactivity of human bone-marrow-derived mesenchymal stem cells (hBM-MSCs) to micro- and nanotopographies produced by an acid-etching process on the surface of 3D-printed PTC endplates. Optical profilometer and scanning electron microscopy were used to assess the surface roughness and identify the nano-features of etched or unetched PTC endplates, respectively. The viability, morphology and the expression of specific osteogenic markers were examined after 7 days of culture in the seeded cells. Haralick texture analysis was carried out on the unseeded endplates to correlate surface texture features to the biological data. The acid-etching process modified the surface roughness of the 3D-printed PTC endplates, creating micro- and nano-scale structures that significantly contributed to sustaining the viability of hBM-MSCs and triggering the expression of early osteogenic markers, such as alkaline phosphatase activity and bone-ECM protein production. Finally, the topography of 3D-printed PTC endplates influenced Haralick’s features, which in turn correlated with the expression of two osteogenic markers, osteopontin and osteocalcin. Overall, these data demonstrate that the acid-etching process of PTC endplates created a favourable environment for osteogenic differentiation of hBM-MSCs and may potentially have clinical benefit.
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15
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Yan CP, Wang XK, Jiang K, Yin C, Xiang C, Wang Y, Pu C, Chen L, Li YL. β-Ecdysterone Enhanced Bone Regeneration Through the BMP-2/SMAD/RUNX2/Osterix Signaling Pathway. Front Cell Dev Biol 2022; 10:883228. [PMID: 35669516 PMCID: PMC9164109 DOI: 10.3389/fcell.2022.883228] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 05/03/2022] [Indexed: 11/19/2022] Open
Abstract
Bone defects are a global public health problem. However, the available methods for inducing bone regeneration are limited. The application of traditional Chinese herbs for bone regeneration has gained popularity in recent years. β-ecdysterone is a plant sterol similar to estrogen, that promotes protein synthesis in cells; however, its function in bone regeneration remains unclear. In this study, we investigated the function of β-ecdysterone on osteoblast differentiation and bone regeneration in vitro and in vivo. MC3T3-E1 cells were used to test the function of β-ecdysterone on osteoblast differentiation and bone regeneration in vitro. The results of the Cell Counting Kit-8 assay suggested that the proliferation of MC3T3-E1 cells was promoted by β-ecdysterone. Furthermore, β-ecdysterone influenced the expression of osteogenesis-related genes, and the bone regeneration capacity of MC3T3-E1 cells was detected by polymerase chain reaction, the alkaline phosphatase (ALP) test, and the alizarin red test. β-ecdysterone could upregulate the expression of osteoblastic-related genes, and promoted ALP activity and the formation of calcium nodules. We also determined that β-ecdysterone increased the mRNA and protein levels of components of the BMP-2/Smad/Runx2/Osterix pathway. DNA sequencing further confirmed these target effects. β-ecdysterone promoted bone formation by enhancing gene expression of the BMP-2/Smad/Runx2/Osterix signaling pathway and by enrichment biological processes. For in vivo experiments, a femoral condyle defect model was constructed by drilling a bone defect measuring 3 mm in diameter and 4 mm in depth in the femoral condyle of 8-week-old Sprague Dawley male rats. This model was used to further assess the bone regenerative functions of β-ecdysterone. The results of micro-computed tomography showed that β-ecdysterone could accelerate bone regeneration, exhibiting higher bone volume, bone surface, and bone mineral density at each observation time point. Immunohistochemistry confirmed that the β-ecdysterone also increased the expression of collagen, osteocalcin, and bone morphogenetic protein-2 in the experiment group at 4 and 8 weeks. In conclusion, β-ecdysterone is a new bone regeneration regulator that can stimulate MC3T3-E1 cell proliferation and induce bone regeneration through the BMP-2/Smad/Runx2/Osterix pathway. This newly discovered function of β-ecdysterone has revealed a new direction of osteogenic differentiation and has provided novel therapeutic strategies for treating bone defects.
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Affiliation(s)
- Cai-Ping Yan
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Xing-Kuan Wang
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Ke Jiang
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Chong Yin
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Lab for Space Biosciences and Biotechnology, NPU-UAB Joint Laboratory for Bone Metabolism, Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Chao Xiang
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yong Wang
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Chaoyu Pu
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Lu Chen
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yu-Ling Li
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.,Laboratory of Biological Tissue Engineering and Digital Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
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16
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Shakoor S, Kibble E, El-Jawhari JJ. Bioengineering Approaches for Delivering Growth Factors: A Focus on Bone and Cartilage Regeneration. Bioengineering (Basel) 2022; 9:bioengineering9050223. [PMID: 35621501 PMCID: PMC9137461 DOI: 10.3390/bioengineering9050223] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/08/2022] [Accepted: 05/18/2022] [Indexed: 11/29/2022] Open
Abstract
Growth factors are bio-factors that target reparatory cells during bone regeneration. These growth factors are needed in complicated conditions of bone and joint damage to enhance tissue repair. The delivery of these growth factors is key to ensuring the effectiveness of regenerative therapy. This review discusses the roles of various growth factors in bone and cartilage regeneration. The methods of delivery of natural or recombinant growth factors are reviewed. Different types of scaffolds, encapsulation, Layer-by-layer assembly, and hydrogels are tools for growth factor delivery. Considering the advantages and limitations of these methods is essential to developing regenerative therapies. Further research can accordingly be planned to have new or combined technologies serving this purpose.
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17
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Single Application of Low-Dose, Hydroxyapatite-Bound BMP-2 or GDF-5 Induces Long-Term Bone Formation and Biomechanical Stabilization of a Bone Defect in a Senile Sheep Lumbar Osteopenia Model. Biomedicines 2022; 10:biomedicines10020513. [PMID: 35203721 PMCID: PMC8962316 DOI: 10.3390/biomedicines10020513] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 12/13/2022] Open
Abstract
Effects of hydroxyapatite (HA) particles with bone morphogenetic BMP-2 or GDF-5 were compared in sheep lumbar osteopenia; in vitro release in phosphate-buffered saline (PBS) or sheep serum was assessed by ELISA. Lumbar (L) vertebral bone defects (Ø 3.5 mm) were generated in aged, osteopenic female sheep (n = 72; 9.00 ± 0.11 years; mean ± SEM). Treatment was: (a) HA particles (2.5 mg; L5); or (b) particles coated with BMP-2 (1 µg; 10 µg) or GDF-5 (5 µg; 50 µg; L4; all groups n = 6). Untouched vertebrae (L3) served as controls. Three and nine months post-therapy, bone formation was assessed by osteodensitometry, histomorphometry, and biomechanical testing. Cumulative 14-day BMP release was high in serum (76–100%), but max. 1.4% in PBS. In vivo induction of bone formation by HA particles with either growth factor was shown by: (i) significantly increased bone volume, trabecular and cortical thickness (overall increase HA + BMP vs. control close to the injection channel 71%, 110%, and 37%, respectively); (ii) partial significant effects for bone mineral density, bone formation, and compressive strength (increase 17%; 9 months; GDF-5). Treatment effects were not dose-dependent. Combined HA and BMPs (single low-dose) highly augment long-term bone formation and biomechanical stabilization in sheep lumbar osteopenia. Thus, carrier-bound BMP doses 20,000-fold to 1000-fold lower than previously applied appear suitable for spinal fusion/bone regeneration and improved treatment safety.
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18
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Wickramasinghe ML, Dias GJ, Premadasa KMGP. A novel classification of bone graft materials. J Biomed Mater Res B Appl Biomater 2022; 110:1724-1749. [DOI: 10.1002/jbm.b.35029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 12/19/2022]
Affiliation(s)
- Maduni L. Wickramasinghe
- Department of Biomedical Engineering General Sir John Kotelawala Defense University Ratmalana Sri Lanka
| | - George J. Dias
- Department of Anatomy, School of Medical Sciences University of Otago Dunedin New Zealand
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19
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Umbilical Cord Mesenchymal Stromal Cells for Cartilage Regeneration Applications. Stem Cells Int 2022; 2022:2454168. [PMID: 35035489 PMCID: PMC8758292 DOI: 10.1155/2022/2454168] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/13/2021] [Accepted: 11/23/2021] [Indexed: 11/30/2022] Open
Abstract
Chondropathies are increasing worldwide, but effective treatments are currently lacking. Mesenchymal stromal cell (MSCs) transplantation represents a promising approach to counteract the degenerative and inflammatory environment characterizing those pathologies, such as osteoarthritis (OA) and rheumatoid arthritis (RA). Umbilical cord- (UC-) MSCs gained increasing interest due to their multilineage differentiation potential, immunomodulatory, and anti-inflammatory properties as well as higher proliferation rates, abundant supply along with no risks for the donor compared to adult MSCs. In addition, UC-MSCs are physiologically adapted to survive in an ischemic and nutrient-poor environment as well as to produce an extracellular matrix (ECM) similar to that of the cartilage. All these characteristics make UC-MSCs a pivotal source for a stem cell-based treatment of chondropathies. In this review, the regenerative potential of UC-MSCs for the treatment of cartilage diseases will be discussed focusing on in vitro, in vivo, and clinical studies.
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20
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Du G, Cheng X, Zhang Z, Han L, Wu K, Li Y, Lin X. TGF-Beta Induced Key Genes of Osteogenic and Adipogenic Differentiation in Human Mesenchymal Stem Cells and MiRNA-mRNA Regulatory Networks. Front Genet 2021; 12:759596. [PMID: 34899844 PMCID: PMC8656281 DOI: 10.3389/fgene.2021.759596] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/28/2021] [Indexed: 12/21/2022] Open
Abstract
Background: The clinical efficacy of osteoporosis therapy is unsatisfactory. However, there is currently no gold standard for the treatment of osteoporosis. Recent studies have indicated that a switch from osteogenic to adipogenic differentiation in human bone marrow mesenchymal stem cells (hMSCs) induces osteoporosis. This study aimed to provide a more comprehensive understanding of the biological mechanisms involved in this process and to identify key genes involved in osteogenic and adipogenic differentiation in hMSCs to provide new insights for the prevention and treatment of osteoporosis. Methods: Microarray and bioinformatics approaches were used to identify the differentially expressed genes (DEGs) involved in osteogenic and adipogenic differentiation, and the biological functions and pathways of these genes were analyzed. Hub genes were identified, and the miRNA–mRNA interaction networks of these hub genes were constructed. Results: In an optimized microenvironment, transforming growth factor-beta (TGF-beta) could promote osteogenic differentiation and inhibit adipogenic differentiation of hMSCs. According to our study, 98 upregulated genes involved in osteogenic differentiation and 66 downregulated genes involved in adipogenic differentiation were identified, and associated biological functions and pathways were analyzed. Based on the protein–protein interaction (PPI) networks, the hub genes of the upregulated genes (CTGF, IGF1, BMP2, MMP13, TGFB3, MMP3, and SERPINE1) and the hub genes of the downregulated genes (PPARG, TIMP3, ANXA1, ADAMTS5, AGTR1, CXCL12, and CEBPA) were identified, and statistical analysis revealed significant differences. In addition, 36 miRNAs derived from the upregulated hub genes were screened, as were 17 miRNAs derived from the downregulated hub genes. Hub miRNAs (hsa-miR-27a/b-3p, hsa-miR-128-3p, hsa-miR-1-3p, hsa-miR-98-5p, and hsa-miR-130b-3p) coregulated both osteogenic and adipogenic differentiation factors. Conclusion: The upregulated hub genes identified are potential targets for osteogenic differentiation in hMSCs, whereas the downregulated hub genes are potential targets for adipogenic differentiation. These hub genes and miRNAs play important roles in adipogenesis and osteogenesis of hMSCs. They may be related to the prevention and treatment not only of osteoporosis but also of obesity.
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Affiliation(s)
- Genfa Du
- Department of Orthopedics, Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Xinyuan Cheng
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Zhen Zhang
- Department of Orthopedics, Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Linjing Han
- Department of Orthopedics, Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Keliang Wu
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Yongjun Li
- Department of Orthopedics, Shunde Hospital Guangzhou University of Chinese Medicine, Foshan, China
| | - Xiaosheng Lin
- Department of Orthopedics, Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Shenzhen, China
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21
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Loo SJQ, Wong NK. Advantages and challenges of stem cell therapy for osteoarthritis (Review). Biomed Rep 2021; 15:67. [PMID: 34155451 PMCID: PMC8212446 DOI: 10.3892/br.2021.1443] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 04/12/2021] [Indexed: 12/21/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disorder of the cartilage and is one of the leading causes of disability, particularly amongst the elderly, wherein patients with advanced-stage OA experience chronic pain and functional impairment of the limbs, thus resulting in a significantly reduced quality of life. The currently available treatments primarily revolve around symptom management, and is thus palliative rather than curative. The aim of the present review is to briefly discuss the limitations of some of the currently available treatments for patients with OA, and highlight the value of the potential use of stem cells in cellular therapy, which is widely regarded as the breakthrough that can address the present unmet medical needs for treatment of degenerative diseases, such as OA. The advantages of stem cell therapy, particularly mesenchymal stem cells, and the challenges involved are also discussed in this review.
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Affiliation(s)
- Stephanie Jyet Quan Loo
- Division of Applied Biomedical Sciences and Biotechnology, School of Health Sciences, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Nyet Kui Wong
- Division of Applied Biomedical Sciences and Biotechnology, School of Health Sciences, International Medical University, Kuala Lumpur 57000, Malaysia
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22
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The Effects of Adipose Derived Stromal Vascular Fraction and Platelet-Rich Plasma on Bone Healing of a Rat Model With Chronic Kidney Disease. Ann Plast Surg 2021; 85:316-323. [PMID: 32784349 DOI: 10.1097/sap.0000000000002396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) impairs osteoblast/osteoclast balance and damages bone structure with diminished mineralization and results in bone restoration disorders. In this study, we investigate the effects of adipose-derived stromal vascular fraction and platelet-rich plasma (PRP) on bone healing model in rats with CKD. METHODS Sprague-Dawley rats were separated into 4 groups. All groups except group I (healthy control) had CKD surgery using 5/6 nephrectomy model. All groups had intramedullary pin fixation after receiving bone fracture using drilling tools. Group II rats were used as control group for CKD. Group III rats received PRP treatment on fracture site. Group IV rats received PRP and stromal vascular fraction treatment on fracture site.Weight loss and blood samples were followed at the time of kidney surgery, third, sixth, and 12th weeks. Bone healing and callus formations were compared, biomechanically, radiologically, histopathologically, and immunohistochemically. Osteoblastic transformation of stem cells was assessed with DiI staining. RESULTS Negative effects of CKD on bone healing were reduced by increasing mechanical, histological, radiological, and biochemical properties of the bone with stromal vascular fraction and PRP treatments. Although thickness of callus tissue delayed bone healing process, it also enhanced biomechanical features and bone tissue organization. CONCLUSIONS Platelet-rich plasma and adipose-derived stromal vascular fraction treatments were effective for bone healing in animal model, which can be promising for clinical trials.
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Mesgarzadeh AH, Nasiri I, Jarolmasjed S, Naghibi M, Shafaei H. Evaluation of bone regeneration in mandible large defect using undifferentiated adipose stem cells loaded on gelatin carrier: An animal model case study. J Dent Res Dent Clin Dent Prospects 2021; 15:22-29. [PMID: 33927837 PMCID: PMC8058160 DOI: 10.34172/joddd.2021.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 08/22/2020] [Indexed: 11/09/2022] Open
Abstract
Background. Large mandibular defects are considered difficult reconstructive challenges for oral and maxillofacial surgeons. Cell therapy, as an alternative technique, might increase the speed of bone regeneration. This study aimed to investigate bone regeneration in large defects of dog mandibles using allogenic adipose-derived stem cells on gelatin foam as a cell carrier. Methods. The tissue engineering phase consisted of the sampling of adult dogs' adipose tissue that can easily be isolated from adipose stem cells (ASCs) of the dogs, ASCs were cultured in Dulbecco's Modified Eagle's Medium (DMEM, Gibco, USA) with low glucose, containing 10% fetal bovine serum (FBS) (Sigma, USA) and 1% penicillin-streptomycin (Gibco, USA), with the characterization of dog ASCs and gelatin-transplanted ASCs. Six dogs were included in this experimental study in the next step and randomly assigned to the treatment and control groups. The samples in both groups underwent surgery under general anesthesia to create uniform 3-cm bony defects. The samples in both groups were reconstructed with titanium reconstruction plates and screws. A large bone gap filled with ASCs (5×106 ) was seeded on gelatin (ASCs) in the treatment group. In the control group, bony defects were filled with a cell delivery carrier without ASCs. Six months after transplantation, the animals' mandibles were evaluated by CT scan imaging, and the results were quantified through the Hounsfield unit (HU). The data were analyzed with t-test. Results. Before transplantation, the nature of the stem cells was confirmed by the expression of CD44 and CD105 cell markers at 71.9% and 89.3%, respectively, and a lack of the CD45 cell marker expression at 2.2%. Evaluation of CT scan images showed significantly higher bone repair in the ASCs group (920.25±572.92 HU) than in the control group (-94.746± 08.42). Conclusion. The bone regeneration of the ASCs group was significantly higher than that in the control group.
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Affiliation(s)
- Ali Hossein Mesgarzadeh
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Islam Nasiri
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyedhosein Jarolmasjed
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehran Naghibi
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hajar Shafaei
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Oliveira ÉR, Nie L, Podstawczyk D, Allahbakhsh A, Ratnayake J, Brasil DL, Shavandi A. Advances in Growth Factor Delivery for Bone Tissue Engineering. Int J Mol Sci 2021; 22:E903. [PMID: 33477502 PMCID: PMC7831065 DOI: 10.3390/ijms22020903] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/08/2021] [Accepted: 01/12/2021] [Indexed: 12/17/2022] Open
Abstract
Shortcomings related to the treatment of bone diseases and consequent tissue regeneration such as transplants have been addressed to some extent by tissue engineering and regenerative medicine. Tissue engineering has promoted structures that can simulate the extracellular matrix and are capable of guiding natural bone repair using signaling molecules to promote osteoinduction and angiogenesis essential in the formation of new bone tissues. Although recent studies on developing novel growth factor delivery systems for bone repair have attracted great attention, taking into account the complexity of the extracellular matrix, scaffolding and growth factors should not be explored independently. Consequently, systems that combine both concepts have great potential to promote the effectiveness of bone regeneration methods. In this review, recent developments in bone regeneration that simultaneously consider scaffolding and growth factors are covered in detail. The main emphasis in this overview is on delivery strategies that employ polymer-based scaffolds for spatiotemporal-controlled delivery of both single and multiple growth factors in bone-regeneration approaches. From clinical applications to creating alternative structural materials, bone tissue engineering has been advancing constantly, and it is relevant to regularly update related topics.
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Affiliation(s)
- Érica Resende Oliveira
- Food Engineering Department, School of Agronomy, Universidade Federal de Goiás, Campus Samambaia, Goiânia CEP 74690-900, Goiás, Brazil;
| | - Lei Nie
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
| | - Daria Podstawczyk
- Department of Process Engineering and Technology of Polymer and Carbon Materials, Faculty of Chemistry, Wroclaw University of Science and Technology, 4/6 Norwida Street, 50-373 Wroclaw, Poland;
| | - Ahmad Allahbakhsh
- Department of Materials and Polymer Engineering, Faculty of Engineering, Hakim Sabzevari University, Sabzevar 9617976487, Iran;
| | - Jithendra Ratnayake
- Department of Oral Sciences, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand;
| | - Dandara Lima Brasil
- Food Science Department, Universidade Federal de Lavras, Lavras CEP 37200-900, Minas Gerais, Brazil;
| | - Amin Shavandi
- BioMatter Unit—École Polytechnique de Bruxelles, Université Libre de Bruxelles, Avenue F.D. Roosevelt, 50—CP 165/61, 1050 Brussels, Belgium
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Cai H, Zou J, Wang W, Yang A. BMP2 induces hMSC osteogenesis and matrix remodeling. Mol Med Rep 2020; 23:125. [PMID: 33300084 PMCID: PMC7751477 DOI: 10.3892/mmr.2020.11764] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 11/04/2020] [Indexed: 12/16/2022] Open
Abstract
With increasing age, the microenvironment in the bone marrow is altered, leading to a decrease in bone marrow mesenchymal stem cell (BMSC) differentiation, which reduces the number of bone cells and weakens osteogenic capacity, resulting in osteoporosis (OP). The clinical manifestations of OP include bone loss, bone microstructural destruction and altered bone quality. Bone morphogenetic protein 2 (BMP2) serves an important role in inducing the osteogenic differentiation of mesenchymal stem cells (MSCs). Regulating the bone marrow matrix microenvironment and promoting osteogenic differentiation of BMSCs is of significance for both the prevention and treatment of OP. In the present study, isobaric tags for relative and absolute quantification (iTRAQ) high‑throughput proteomics technology was combined with bioinformatics analysis to screen 249 differentially expressed proteins in human MSCs overexpressing BMP2, of which 173 were upregulated and 76 proteins were downregulated. The proteins were also involved in signaling pathways associated with extracellular matrix organization, osteoblast differentiation, ossification, bone development, chondrocyte differentiation and bone morphogenesis. By carefully screening the proteins, N‑cadherin (CDH2), a protein with osteogenic differentiation potential, was verified by perturbations in the background of BMP2 overexpression. The role of CDH3 in the osteogenic differentiation of MSCs was confirmed by the regulation of several cognate osteogenic markers, suggesting CDH2 as a promising candidate in the field of osteogenesis.
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Affiliation(s)
- Hantao Cai
- Department of First Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei 430061, P.R. China
| | - Ji Zou
- Department of First Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei 430061, P.R. China
| | - Wei Wang
- Department of First Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei 430061, P.R. China
| | - Aofei Yang
- Department of Orthopedics, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, Hubei 430061, P.R. China
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Non-viral delivery systems of DNA into stem cells: Promising and multifarious actions for regenerative medicine. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101861] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Aghali A, Arman HE. Photoencapsulated-BMP2 in visible light-cured thiol-acrylate hydrogels for craniofacial bone tissue engineering. Regen Med 2020; 15:2099-2113. [PMID: 33211625 DOI: 10.2217/rme-2020-0062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Aim: The study aimed to examine the impact of crosslinking BMP2 in biodegradable visible light-cured thiol-acrylate hydrogels. Materials & methods: BMP2 was photoencapsulated in 10 wt% PEG-diacrylate hydrogels with or without immortalized mouse bone marrow stromal cells (BMSC). Results & conclusion: Photoencapsulated-BMSC with BMP2 (BMBMP2) showed a significantly (p < 0.05) increased level in metabolic activity, by 54.61%, compared with photoencapsulated-BMSC at day 3. Furthermore, BMBMP2 groups showed significantly increased levels in ALP activity compared with BMSC at days, 1, 3, 7 (p < 0.01) and 10 (p < 0.05). This study shows promising results photoencapsulating BMP2 in thiol-acrylate hydrogels for craniofacial bone tissue engineering applications.
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Affiliation(s)
- Arbi Aghali
- Department of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN 55902, USA.,Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47908, USA
| | - Huseyin E Arman
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Wang X, Thomsen P. Mesenchymal stem cell-derived small extracellular vesicles and bone regeneration. Basic Clin Pharmacol Toxicol 2020; 128:18-36. [PMID: 32780530 PMCID: PMC7820981 DOI: 10.1111/bcpt.13478] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 08/03/2020] [Accepted: 08/06/2020] [Indexed: 12/20/2022]
Abstract
Mesenchymal stem cells (MSCs) and MSC‐derived small extracellular vesicles (sEVs) are promising candidates for cell‐based and cell‐free regenerative medicine, respectively. By virtue of their multiple lineage differentiation capacity, MSCs have been implicated as an ideal tool for bone and cartilage regeneration. However, later observations attributed such regenerative effects to MSC‐secreted paracrine factors. Exosomes, endosomal originated sEVs carrying lipid, protein and nucleic acid cargoes, were identified as components of the MSC secretome and propagated the key regenerative and immunoregulatory characteristics of parental MSCs. Here, exosome biogenesis, the molecular composition of exosomes, sEV‐cell interactions and the effects on key bone homeostasis cells are reviewed. MSC‐derived sEVs show to promote neovascularization and bone and cartilage regeneration in preclinical disease models. The mechanisms include the transfer of molecules, including microRNAs, mRNAs and proteins, to other key cells. MSC‐derived sEVs are interesting candidates as biopharmaceuticals for drug delivery and for the engineering of biologically functionalized materials. Although major exploratory efforts have been made for therapeutic development, the secretion, distribution and biological effects of MSC‐derived sEVs in bone and cartilage regeneration are not fully understood. Moreover, techniques for high‐yield production, purity and storage need to be optimized before effective and safe MSC‐derived sEVs therapies are realized.
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Affiliation(s)
- Xiaoqin Wang
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Peter Thomsen
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Rahmani Del Bakhshayesh A, Babaie S, Tayefi Nasrabadi H, Asadi N, Akbarzadeh A, Abedelahi A. An overview of various treatment strategies, especially tissue engineering for damaged articular cartilage. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2020; 48:1089-1104. [DOI: 10.1080/21691401.2020.1809439] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Azizeh Rahmani Del Bakhshayesh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soraya Babaie
- Department of Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamid Tayefi Nasrabadi
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nahideh Asadi
- Department of Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolfazl Akbarzadeh
- Department of Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Abedelahi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Zheng S, Chen H, Zhang T, Yao Y, Chen Y, Zhang S, Bai B. Gene-modified BMSCs encapsulated with carboxymethyl cellulose facilitate osteogenesis in vitro and in vivo. J Biomater Appl 2020; 35:814-822. [PMID: 32777971 DOI: 10.1177/0885328220948030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Critical size bone defects are one of the most serious complications in orthopedics due to the lack of effective osteogenesis treatment. We fabricated carboxymethyl cellulose with phenol moieties (CMC-ph) microcapsules loaded with gene-modified rat bone mesenchymal stem cells (rBMSCs) that secrete hBMP2 following doxycycline (DOX) induction. The results showed that the morphology of microcapsules was spherical, and their diameters have equally distributed in the range of 100-150 μm; the viability of rBMSCs was unchanged over time. Through real-time PCR and Western blot analyses, the rBMSCs in microcapsules were found to secrete hBMP2 and to have upregulated mRNA and protein expression of osteogenesis-related genes in vitro and in vivo. Furthermore, the in vivo results suggested that the group with the middle concentration of cells expressed the highest amount of osteogenic protein over time. In this study, we showed that gene-modified rBMSCs in CMC-ph microcapsules had good morphology and viability. The BMP2-BMSCs/CMC-Ph microcapsule system could upregulate osteogenic mRNA and protein in vitro and in vivo. Further analysis demonstrated that the medium concentration of cells had a suitable density for transplantation in nude mice. Therefore, BMP2-BMSCs/CMC-Ph microcapsule constructs have potential for bone regeneration in vivo.
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Affiliation(s)
- Shicong Zheng
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
| | - Hanzheng Chen
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
| | - Tingshuai Zhang
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
| | - Yongchang Yao
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
| | - Yi Chen
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
| | - Shujiang Zhang
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
| | - Bo Bai
- Department of Orthopedics, Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, The First Affiliated Hospital of 26468Guangzhou Medical University, Guangzhou, China
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Desai S, Jayasuriya CT. Implementation of Endogenous and Exogenous Mesenchymal Progenitor Cells for Skeletal Tissue Regeneration and Repair. Bioengineering (Basel) 2020; 7:E86. [PMID: 32759659 PMCID: PMC7552784 DOI: 10.3390/bioengineering7030086] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/25/2020] [Accepted: 07/30/2020] [Indexed: 02/06/2023] Open
Abstract
Harnessing adult mesenchymal stem/progenitor cells to stimulate skeletal tissue repair is a strategy that is being actively investigated. While scientists continue to develop creative and thoughtful ways to utilize these cells for tissue repair, the vast majority of these methodologies can ultimately be categorized into two main approaches: (1) Facilitating the recruitment of endogenous host cells to the injury site; and (2) physically administering into the injury site cells themselves, exogenously, either by autologous or allogeneic implantation. The aim of this paper is to comprehensively review recent key literature on the use of these two approaches in stimulating healing and repair of different skeletal tissues. As expected, each of the two strategies have their own advantages and limitations (which we describe), especially when considering the diverse microenvironments of different skeletal tissues like bone, tendon/ligament, and cartilage/fibrocartilage. This paper also discusses stem/progenitor cells commonly used for repairing different skeletal tissues, and it lists ongoing clinical trials that have risen from the implementation of these cells and strategies. Lastly, we discuss our own thoughts on where the field is headed in the near future.
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Affiliation(s)
| | - Chathuraka T. Jayasuriya
- Department of Orthopaedics, Warren Alpert Medical School of Brown University and the Rhode Island Hospital, Providence, RI 02903, USA;
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Dashtimoghadam E, Fahimipour F, Tongas N, Tayebi L. Microfluidic fabrication of microcarriers with sequential delivery of VEGF and BMP-2 for bone regeneration. Sci Rep 2020; 10:11764. [PMID: 32678204 PMCID: PMC7366644 DOI: 10.1038/s41598-020-68221-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 05/26/2020] [Indexed: 12/21/2022] Open
Abstract
Wound instability and poor functional vascularization in bone tissue engineering lead to lack of tissue integration and ultimate failure of engineered grafts. In order to harness the regenerative potential of growth factors and stimulate bone healing, present study aims to design multifunctional cell therapy microcarriers with the capability of sequential delivery of essential growth factors, bone morphogenetic protein 2 (BMP-2) and vascular endothelial growth factor (VEGF). An on-chip double emulsion method was implemented to generate monodisperse VEGF encapsulated microcarriers. Bio-inspired poly(3,4-dihydroxyphenethylamine) (PDA) was then functionalized to the microcarriers surface for BMP-2 conjugation. The microcarriers were seeded with mesenchymal stem cells (MSCs) using a dynamic culture technique for cells expansion. Finally, the microcarriers were incorporated into an injectable alginate-RGD hydrogel laden with endothelial cells (ECs) for further analysis. The DNA and calcium content, as well as ALP activity of the construct were analyzed. The confocal fluorescent microscopy was employed to monitor the MSCs and tunneling structure of ECs. Eventually, the capability of developed microcarriers for bone tissue formation was examined in vivo. Microfluidic platform generated monodisperse VEGF-loaded PLGA microcarriers with size-dependent release patterns. Microcarriers generated with the on-chip technique showed more sustained VEGF release profiles compared to the conventional bulk mixing method. The PDA functionalization of microcarriers surface not only provided immobilization of BMP-2 with prolonged bioavailability, but also enhanced the attachment and proliferation of MSCs. Dynamic culturing of microcarriers showcased their great potential to boost MSCs population required for stem cell therapy of bone defects. ALP activity and calcium content analysis of MSCs-laden microcarriers loaded into injectable hydrogels revealed their capability of tunneling formation, vascular cell growth and osteogenic differentiation. The in vivo histology and real-time polymerase chain reaction analysis revealed that transplantation of MSC-laden microcarriers supports ectopic bone formation in the rat model. The presented approach to design bioactive microcarriers offer sustained sequential delivery of bone ECM chemical cues and offer an ideal stabilized 3D microenvironment for patient-specific cell therapy applications. The proposed methodology is readily expandable to integrate other cells and cytokines in a tuned spatiotemporal manner for personalized regenerative medicine.
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Affiliation(s)
| | - Farahnaz Fahimipour
- Marquette University School of Dentistry, Milwaukee, WI, USA
- Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Nikita Tongas
- Marquette University School of Dentistry, Milwaukee, WI, USA
| | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, WI, USA.
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Xie H, Liu M, Jin Y, Lin H, Zhang Y, Zheng S. miR-1323 suppresses bone mesenchymal stromal cell osteogenesis and fracture healing via inhibiting BMP4/SMAD4 signaling. J Orthop Surg Res 2020; 15:237. [PMID: 32600409 PMCID: PMC7322887 DOI: 10.1186/s13018-020-01685-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/29/2020] [Indexed: 12/14/2022] Open
Abstract
Background Atrophic non-union fractures show no radiological evidence of callus formation within 3 months of fracture. microRNA dysregulation may underlie the dysfunctional osteogenesis in atrophic non-union fractures. Here, we aimed to analyze miR-1323 expression in human atrophic non-union fractures and examine miR-1323’s underlying mechanism of action in human mesenchymal stromal cells. Methods Human atrophic non-union and standard healing fracture specimens were examined using H&E and Alcian Blue staining, immunohistochemistry, qRT-PCR, immunoblotting, and ALP activity assays. The effects of miR-1323 mimics or inhibition on BMP4, SMAD4, osteogenesis-related proteins, ALP activity, and bone mineralization were analyzed in human mesenchymal stromal cells. Luciferase reporter assays were utilized to assay miR-1323’s binding to the 3'UTRs of BMP4 and SMAD4. The effects of miR-1323, BMP4, and SMAD4 were analyzed by siRNA and overexpression vectors. A rat femur fracture model was established to analyze the in vivo effects of antagomiR-1323 treatment. Results miR-1323 was upregulated in human atrophic non-union fractures. Atrophic non-union was associated with downregulation of BMP4 and SMAD4 as well as the osteogenic markers ALP, collagen I, and RUNX2. In vitro, miR-1323 suppressed BMP4 and SMAD4 expression by binding to the 3'UTRs of BMP4 and SMAD4. Moreover, miR-1323’s inhibition of BMP4 and SMAD4 inhibited mesenchymal stromal cell osteogenic differentiation via modulating the nuclear translocation of the transcriptional co-activator TAZ. In vivo, antagomiR-1323 therapy facilitated the healing of fractures in a rat model of femoral fracture. Conclusions This evidence supports the miR-1323/BMP4 and miR-1323/SMAD4 axes as novel therapeutic targets for atrophic non-union fractures.
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Affiliation(s)
- Hui Xie
- Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, No. 1518 Huanchengbei Road, Jiaxing, Zhejiang, 314299, China
| | - Ming Liu
- Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, No. 1518 Huanchengbei Road, Jiaxing, Zhejiang, 314299, China
| | - Yaofeng Jin
- Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, No. 1518 Huanchengbei Road, Jiaxing, Zhejiang, 314299, China
| | - Haiqing Lin
- Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, No. 1518 Huanchengbei Road, Jiaxing, Zhejiang, 314299, China
| | - Yushan Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, No. 1518 Huanchengbei Road, Jiaxing, Zhejiang, 314299, China
| | - Song Zheng
- Department of Orthopedics, The Second Affiliated Hospital of Jiaxing University, No. 1518 Huanchengbei Road, Jiaxing, Zhejiang, 314299, China.
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Childs RD, Nakao H, Isogai N, Murthy A, Landis WJ. An analytical study of neocartilage from microtia and otoplasty surgical remnants: A possible application for BMP7 in microtia development and regeneration. PLoS One 2020; 15:e0234650. [PMID: 32555733 PMCID: PMC7299323 DOI: 10.1371/journal.pone.0234650] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 05/30/2020] [Indexed: 02/07/2023] Open
Abstract
To investigate auricular reconstruction by tissue engineering means, this study compared cartilage regenerated from human chondrocytes obtained from either microtia or normal (conchal) tissues discarded from otoplasties. Isolated cells were expanded in vitro, seeded onto nanopolyglycolic acid (nanoPGA) sheets with or without addition of bone morphogenetic protein-7 (BMP7), and implanted in nude mice for 10 weeks. On specimen harvest, cartilage development was assessed by gross morphology, histology, and RT-qPCR and microarray analyses. Neocartilages from normal and microtia surgical tissues were found equivalent in their dimensions, qualitative degree of proteoglycan and elastic fiber staining, and quantitative gene expression levels of types II and III collagen, elastin, and SOX5. Microarray analysis, applied for the first time for normal and microtia neocartilage comparison, yielded no genes that were statistically significantly different in expression between these two sample groups. These results support use of microtia tissue as a cell source for normal auricular reconstruction. Comparison of normal and microtia cells, each seeded on nanoPGA and supplemented with BMP7 in a slow-release hydrogel, showed statistically significant differences in certain genes identified by microarray analysis. Such differences were also noted in several analyses comparing counterpart seeded cells without BMP7. Summary data suggest a possible application for BMP7 in microtia cartilage regeneration and encourage further studies to elucidate whether such genotypic differences translate to phenotypic characteristics of the human microtic ear. The present work advances understanding relevant to the potential clinical use of microtia surgical remnants as a suitable cell source for tissue engineering of the pinna.
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Affiliation(s)
- Robin DiFeo Childs
- Department of Polymer Science, University of Akron, Akron, Ohio, United States of America
- Department of Plastic and Reconstructive Surgery, Kindai University Medical School, Osaka sayama, Osaka, Japan
| | - Hitomi Nakao
- Division of Plastic and Reconstructive Surgery, Children’s Hospital Medical Center, Akron, Ohio, United States of America
| | - Noritaka Isogai
- Division of Plastic and Reconstructive Surgery, Children’s Hospital Medical Center, Akron, Ohio, United States of America
| | - Ananth Murthy
- Department of Plastic and Reconstructive Surgery, Kindai University Medical School, Osaka sayama, Osaka, Japan
| | - William J. Landis
- Department of Polymer Science, University of Akron, Akron, Ohio, United States of America
- * E-mail:
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Paini S, Bighetti ACC, Cestari TM, Arantes RVN, Santos PS, Mena-Laura EE, Garlet GP, Taga R, Assis GF. Concentration-dependent effects of latex F1-protein fraction incorporated into deproteinized bovine bone and biphasic calcium phosphate on the repair of critical-size bone defects. J Biomed Mater Res B Appl Biomater 2020; 108:3270-3285. [PMID: 32537889 DOI: 10.1002/jbm.b.34664] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 12/31/2022]
Abstract
F1-protein fraction (F1) is a natural bioactive compound extracted from the rubber tree, Hevea brasiliensis, and has been recently studied for its therapeutic potential in wound healing. In this study, we investigated the concentration-dependent effects of F1 (0.01%, 0.025%, 0.05%, and 0.1%) incorporated into deproteinized bovine bone (DBB) and porous biphasic calcium phosphate (pBCP), on the repair of rat calvarial critical-size bone defects (CSBD). The defects were analyzed by 3D-microtomography and 2D-histomorphometry at 12 weeks postsurgery. The binding efficiency of F1 to pBCP (96.3 ± 1.4%) was higher than that to DBB (67.7 ± 3.3%). In vivo analysis showed a higher bone volume (BV) gain in all defects treated with DBB (except in 0.1% of F1) and pBCP (except in 0.05% and 0.1% of F1) compared to the CSBD without treatment/control group (9.96 ± 2.8 mm3 ). DBB plus 0.025% F1 promoted the highest BV gain (29.7 ± 2.2 mm3 , p < .0001) compared to DBB without F1 and DBB plus 0.01% and 0.1% of F1. In the pBCP group, incorporation of F1 did not promote bone gain when compared to pBCP without F1 (15.9 ± 4.2 mm3 , p > .05). Additionally, a small BV occurred in defects treated with pBCP plus 0.1% F1 (10.4 ± 1.4 mm3, p < .05). In conclusion, F1 showed a higher bone formation potential in combination with DBB than with pBCP, in a concentration-dependent manner. Incorporation of 0.25% F1 into DBB showed the best results with respect to bone formation/repair in CSBD. These results suggest that DBB plus 0.25% F1 can be used as a promising bioactive material for application in bone tissue engineering.
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Affiliation(s)
- Suelen Paini
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Ana Carolina Cestari Bighetti
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Tania Mary Cestari
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Ricardo Vinicius Nunes Arantes
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Paula Sanches Santos
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Ever Elias Mena-Laura
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Gustavo Pompermaier Garlet
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Rumio Taga
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
| | - Gerson Francisco Assis
- Laboratory of Histology of Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, Sao Paulo, Brazil
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Solak K, Yucel I, Karaduman ZO, Arda S, Orak MM, Midi A. Histological Comparison of Nanocomposite Multilayer Biomimetic Scaffold, A Chondral Scaffold, and Microfracture Technique to Repair Experimental Osteochondral Defects in Rats. Eurasian J Med 2020; 52:145-152. [PMID: 32612422 DOI: 10.5152/eurasianjmed.2019.19077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 08/22/2019] [Indexed: 11/22/2022] Open
Abstract
Objective We used biomimetic scaffolds, chondral scaffolds, and microfractures to repair experimentally created osteochondral defects in rat knees and then compared the results of each method. Materials and Methods We used a total of 56 female Wistar albino rats. The rats were grouped into 4 groups, with 14 rats each: biomimetic scaffold, chondral scaffold, microfracture, and control groups. Cylindrical full-thickness osteochondral defects 2.5 mm in diameter and 2 mm in depth were drilled into the right knees with the rats under general anesthesia. The knees of all rats were operated again after 4 weeks. Biomimetic and chondral scaffolds were classified into two groups. Microfractures 0.5 mm in diameter and 0.8 mm in depth were created in the rats of the microfracture group. The control group received no treatment. All the rats were observed for 6 weeks and then sacrificed, with samples subjected to macroscopic and histopathological examinations. Results The macroscopic and histopathological results in the biomimetic scaffold group differed significantly from those of the other treatment groups (p<0.05). When we compared the 3 treatment groups, the results of the chondral scaffold group were better than those of the microfracture group. The results of the microfracture group were somewhat better than those of the control group, but the result was not statistically significant (p>0.05). Conclusions Nanocomposite multilayer biomimetic scaffolds were better than chondral scaffolds and microfractures when used to treat osteochondral defects.
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Affiliation(s)
- Kazim Solak
- Department of Orthopedics and Traumatology, Duzce Atatürk State Hospital, Duzce, Turkey
| | - Istemi Yucel
- Department of Orthopedics and Traumatology, Fatih Sultan Mehmet Training and Research Hospital, Istanbul, Turkey
| | - Z Okan Karaduman
- Department of Orthopedics and Traumatology, Duzce University School of Medicine, Duzce, Turkey
| | - Sena Arda
- Department of Medical Education, Istanbul Bahçeşehir University School of Medicine, Istanbul, Turkey
| | - M Mufit Orak
- Department of Orthopedics and Traumatology, Istanbul Bahcesehir University, Medical Park Hospital, Istanbul, Turkey
| | - Ahmet Midi
- Department of Pathology, Bahcesehir University School of Medicine, Istanbul, Turkey
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Zhang S, Hamid MR, Wang T, Liao J, Wen L, Zhou Y, Wei P, Zou X, Chen G, Chen J, Zhou G. RSK-3 promotes cartilage regeneration via interacting with rpS6 in cartilage stem/progenitor cells. Theranostics 2020; 10:6915-6927. [PMID: 32550912 PMCID: PMC7295041 DOI: 10.7150/thno.44875] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/17/2020] [Indexed: 02/06/2023] Open
Abstract
Rationale: Cartilage stem/progenitor cells (CSPC) are a promising cellular source to promote endogenous cartilage regeneration in osteoarthritis (OA). Our previous work indicates that ribosomal s6 kinase 3 (RSK-3) is a target of 4-aminobiphenyl, a chemical enhancing CSPC-mediated cartilage repair in OA. However, the primary function and mechanism of RSK-3 in CSPC-mediated cartilage pathobiology remain undefined. Methods: We systematically assessed the association of RSK-3 with OA in three mouse strains with varying susceptibility to OA (MRL/MpJ>CBA>STR/Ort), and also RSK-3-/- mice. Bioinformatic analysis was used to identify the possible mechanism of RSK-3 affecting CSPC, which was further verified in OA mice and CSPC with varying RSK-3 expression induced by chemicals or gene modification. Results: We demonstrated that the level of RSK-3 in cartilage was positively correlated with cartilage repair capacities in three mouse strains (MRL/MpJ>CBA>STR/Ort). Enhanced RSK-3 expression by 4-aminobiphenyl markedly attenuated cartilage injury in OA mice and inhibition or deficiency of RSK-3 expression, on the other hand, significantly aggravated cartilage damage. Transcriptional profiling of CSPC from mice suggested the potential role of RSK-3 in modulating cell proliferation. It was further shown that the in vivo and in vitro manipulation of the RSK-3 expression indeed affected the CSPC proliferation. Mechanistically, ribosomal protein S6 (rpS6) was activated by RSK-3 to accelerate CSPC growth. Conclusion: RSK-3 is identified as a key regulator to enhance cartilage repair, at least partly by regulating the functionality of the cartilage-resident stem/progenitor cells.
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Bone Defect Repair Using a Bone Substitute Supported by Mesenchymal Stem Cells Derived from the Umbilical Cord. Stem Cells Int 2020; 2020:1321283. [PMID: 32300364 PMCID: PMC7142388 DOI: 10.1155/2020/1321283] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/10/2020] [Accepted: 02/13/2020] [Indexed: 12/15/2022] Open
Abstract
Objective Bone defects or atrophy may arise as a consequence of injury, inflammation of various etiologies, and neoplastic or traumatic processes or as a result of surgical procedures. Sometimes the regeneration process of bone loss is impaired, significantly slowed down, or does not occur, e.g., in congenital defects. For the bone defect reconstruction, a piece of the removed bone from ala of ilium or bone transplantation from a decedent is used. Replacement of the autologous or allogenic source of the bone-by-bone substitute could reduce the number of surgeries and time in the pharmacological coma during the reconstruction of the bone defect. Application of mesenchymal stem cells in the reconstruction surgery may have positive influence on tissue regeneration by secretion of angiogenic factors, recruitment of other MSCs, or differentiation into osteoblasts. Materials and Methods. Mesenchymal stem cells derived from the umbilical cord (Wharton's jelly (WJ-MSC)) were cultured in GMP-grade DMEM low glucose supplemented with heparin, 10% platelet lysate, glucose, and antibiotics. In vitro WJ-MSCs were seeded on the bone substitute Bio-Oss Collagen® and cultured in the StemPro® Osteogenesis Differentiation Kit. During the culture on the 1st, 7th, 14th, and 21st day (day in vitro (DIV)), we analyzed viability (confocal microscopy) and adhesion capability (electron microscopy) of WJ-MSC on Bio-Oss scaffolds, gene expression (qPCR), and secretion of proteins (Luminex). In vivo Bio-Oss® scaffolds with WJ-MSC were transplanted to trepanation holes in the cranium to obtain their overgrowth. The computed tomography was performed 7, 14, and 21 days after surgery to assess the regeneration. Results The Bio-Oss® scaffold provides a favourable environment for WJ-MSC survival. WJ-MSCs in osteodifferentiation medium are able to attach and proliferate on Bio-Oss® scaffolds. Results obtained from qPCR and Luminex® indicate that WJ-MSCs possess the ability to differentiate into osteoblast-like cells and may induce osteoclastogenesis, angiogenesis, and mobilization of host MSCs. In animal studies, WJ-MSCs seeded on Bio-Oss® increased the scaffold integration with host bone and changed their morphology to osteoblast-like cells. Conclusions The presented construct consisted of Bio-Oss®, the scaffold with high flexibility and plasticity, approved for clinical use with seeded immunologically privileged WJ-MSC which may be considered reconstructive therapy in bone defects.
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Gong Y, Zhang Y, Cao Z, Ye F, Lin Z, Li Y. Development of CaCO 3 microsphere-based composite hydrogel for dual delivery of growth factor and Ca to enhance bone regeneration. Biomater Sci 2020; 7:3614-3626. [PMID: 31210206 DOI: 10.1039/c9bm00463g] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Injectable scaffolds have attracted much attention because of their minimum surgical invasiveness. However, limited osteogenic induction property and low mechanical properties hampered their application in bone tissue engineering. CaCO3 microspheres, which possess osteoinductivity, rough surfaces and specific binding sites for BMP-2, were first fabricated; after BMP-2 uploading, microspheres were further entrapped in fibrin-glue hydrogel. CaCO3 microspheres were co-functionalized with casein and heparin. To obtain a high encapsulation of heparin and thus BMP-2 uploading, along with controlled release and simultaneous maintenance of the presence of vaterite which had osteogenic induction property, fabrication parameters were optimized and microspheres were characterized using XRD, FITR and SEM. The formed CaCO3 had a microsphere morphology of ∼1 μm. Both vaterite and calcite phases were present and the relative amount of calcite phase increased with the amount of heparin. Sample 25 mM_4-1Hep with the highest loading amount of heparin was selected as carrier for BMP-2 and BMP-2 loaded CaCO3 microspheres were further entrapped in fibrin-glue hydrogel (FC-B). For the as-prepared composite hydrogel, mechanical properties were characterized and the presence of CaCO3 significantly elevated the tensile strength; controlled release of BMP-2 was sustained until day 21. Based on ALP activity, alizarin red staining and RT-PCR, in vitro osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) was found to be significantly enhanced under induction of FC-B. Rabbit tibia bone defect model was applied to evaluate its in vivo performance. After implantation for 4 weeks, presence of composite hydrogel was observed in defects. After 8 weeks, bone defects of FC-B group were nearly completely healed. Using the fact that autologous scaffolds can be derived based on fibrin-glue hydrogel, the well-designed BMP-2 loaded fibrin-glue composite hydrogel demonstrated good potential in bone tissue engineering.
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Affiliation(s)
- Yihong Gong
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China.
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Characterization and therapeutic applications of mesenchymal stem cells for regenerative medicine. Tissue Cell 2020; 64:101330. [PMID: 32473704 DOI: 10.1016/j.tice.2020.101330] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/04/2020] [Accepted: 01/05/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) are multipotent, genomic stable, self-renewable, and culturally expandable adult stem cells. MSCs facilitate tissue development, maintenance and repair, and produce secretory factors that support engraftment and trophic functions, marking them an attractive option in cell therapy, regenerative medicine and tissue engineering. METHOD In this review, we summarize the recent researches regarding the isolation and characterization of MSCs, therapeutic applications and advanced engineering techniques. We also discuss the advantages and limitations that remain to be overcome for MSCs based therapy. RESULTS It has been demonstrated that MSCs are able to modulate endogenous tissue and immune cells. Preclinical studies and early phase clinical trials have shown their great potential for tissue engineering of bone, cartilage, marrow stroma, muscle, fat, and other connective tissues. CONCLUSIONS MSC-based therapy show considerable promise to rebuild damaged or diseased tissues, which could be a promising therapeutic method for regeneration medicine.
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Jiang Y, Xu Y. A mussel-inspired osteogenesis microenvironment with bioactive peptides for the dual-functionalization of biomedical substrates. NEW J CHEM 2020. [DOI: 10.1039/d0nj02997a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A facile but useful peptide modified strategy for the dual-functionalization of biomedical implants with cell-adhesion-enhancing as well as differentiation-inducing abilities.
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Affiliation(s)
- Yuanyuan Jiang
- The First Affiliated Hospital of Xiamen University
- Xiamen 361003
- P. R. China
| | - Yang Xu
- The First Affiliated Hospital of Xiamen University
- Xiamen 361003
- P. R. China
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Le H, Xu W, Zhuang X, Chang F, Wang Y, Ding J. Mesenchymal stem cells for cartilage regeneration. J Tissue Eng 2020; 11:2041731420943839. [PMID: 32922718 PMCID: PMC7457700 DOI: 10.1177/2041731420943839] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 06/29/2020] [Indexed: 12/27/2022] Open
Abstract
Cartilage injuries are typically caused by trauma, chronic overload, and autoimmune diseases. Owing to the avascular structure and low metabolic activities of chondrocytes, cartilage generally does not self-repair following an injury. Currently, clinical interventions for cartilage injuries include chondrocyte implantation, microfracture, and osteochondral transplantation. However, rather than restoring cartilage integrity, these methods only postpone further cartilage deterioration. Stem cell therapies, especially mesenchymal stem cell (MSCs) therapies, were found to be a feasible strategy in the treatment of cartilage injuries. MSCs can easily be isolated from mesenchymal tissue and be differentiated into chondrocytes with the support of chondrogenic factors or scaffolds to repair damaged cartilage tissue. In this review, we highlighted the full success of cartilage repair using MSCs, or MSCs in combination with chondrogenic factors and scaffolds, and predicted their pros and cons for prospective translation to clinical practice.
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Affiliation(s)
- Hanxiang Le
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P.R. China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P.R. China
| | - Weiguo Xu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P.R. China
| | - Xiuli Zhuang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P.R. China
| | - Fei Chang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P.R. China
| | - Yinan Wang
- Department of Biobank, Division of Clinical Research, The First Hospital of Jilin University, Changchun, P.R. China
- Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, P.R. China
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P.R. China
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Xu X, Sun M, Wang D, Bu W, Wang Z, Shen Y, Zhang K, Zhou D, Yang B, Sun H. Bone formation promoted by bone morphogenetic protein-2 plasmid-loaded porous silica nanoparticles with the involvement of autophagy. NANOSCALE 2019; 11:21953-21963. [PMID: 31709429 DOI: 10.1039/c9nr07017f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Gene therapy is one of the most common and effective ways for the regeneration of defective bone tissue, but even highly efficient gene delivery vectors are insufficient. In this study, bone morphogenetic protein-2 plasmid (pBMP-2) was encapsulated by polyethylenimine-modified porous silica nanoparticles (PPSNs), which were synthesized via an ethyl ether emulsion method. Owing to the high specific surface area and high absorption characteristics, low cytotoxicy PPSNs can efficiently load and protect pBMP-2. The resulting PPSN/pBMP-2 can transfect MC3T3-E1 cells effectively to promote osteogenic differentiation and increase calcium deposition in vitro. Interestingly, the mass of calcium deposition nodules decreased dur to the presence of an autophagy inhibitor, demonstrating that PPSNs stimulated the autophagy pathway. Because of their excellent biocompatibility, high transfection efficiency, and ability to stimulate autophagy, the as-prepared PPSN/pBMP-2 could efficiently transfect local cells in a defect area in vivo. Micro-computed tomography and histological images demonstrated that PPSN/pBMP-2 could efficiently promote new bone formation in a 5 mm sized rat calvarial defect model. Taken together, our newly synthesized PPSNs could efficiently carry pBMP-2 and deliver it to the target cells as well as stimulating the autophagy pathway, resulting in significant osteogenic differentiation and bone regeneration.
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Affiliation(s)
- Xiaowei Xu
- School and Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China.
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García-García P, Ruiz M, Reyes R, Delgado A, Évora C, Riancho JA, Rodríguez-Rey JC, Pérez-Campo FM. Smurf1 Silencing Using a LNA-ASOs/Lipid Nanoparticle System to Promote Bone Regeneration. Stem Cells Transl Med 2019; 8:1306-1317. [PMID: 31631568 PMCID: PMC6877774 DOI: 10.1002/sctm.19-0145] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 09/17/2019] [Indexed: 12/19/2022] Open
Abstract
Despite the great advance of bone tissue engineering in the last few years, repair of bone defects remains a major problem. Low cell engraftment and dose‐dependent side effects linked to the concomitant administration of bone morphogenetic proteins (BMPs) are the main problems currently hindering the clinical use of mesenchymal stem cell (MSC)‐based therapies in this field. We have managed to bypass these drawbacks by combining the silencing the Smurf1 ubiquitin ligase in MSCs with the use of a scaffold that sustainably releases low doses of BMP‐2. In this system, Smurf1 silencing is achieved by using GapmeRs, a clinically safe method that avoids the use of viral vectors, facilitating its translation to the clinic. Here, we show that a single transient transfection with a small quantity of a Smurf1‐specific GapmeR is able to induce a significant level of silencing of the target gene, enough to prime MSCs for osteogenic differentiation. Smurf1 silencing highly increases MSCs responsiveness to BMP‐2, allowing a dramatic reduction of the dose needed to achieve the desired therapeutic effect. The combination of these primed cells with alginate scaffolds designed to sustainably and locally release low doses of BMP‐2 to the defect microenvironment is able to induce the formation of a mature bone matrix both in an osteoporotic rat calvaria system and in a mouse ectopic model. Importantly, this approach also enhances osteogenic differentiation in MSCs from osteoporotic patients, characterized by a reduced bone‐forming potential, even at low BMP doses, underscoring the regenerative potential of this system. stem cells translational medicine2019;8:1306&1317 The BMP‐Smad signaling cascade is an effective therapeutic target to promote bone formation. Silencing of Smurf1, a known BMP signaling inhibitor, increases the responsiveness of Mesenchymal stem cells to BMP, allowing a dramatic reduction of the doses used in the clinic to promote bone formation and therefore, avoiding secondary effects associated to the use of these factors.![]()
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Affiliation(s)
- Patricia García-García
- Department of Chemical Engineering and Pharmaceutical Technology, Institute of Biomedical Technologies (ITB), University of La Laguna, La Laguna, Spain
| | - Mario Ruiz
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, IDIVAL, Santander, Spain
| | - Ricardo Reyes
- Department of Biochemistry, Microbiology, Cellular Biology and Genetics, Institute of Biomedical Technologies (ITB), University of La Laguna, La Laguna, Spain
| | - Araceli Delgado
- Department of Chemical Engineering and Pharmaceutical Technology, Institute of Biomedical Technologies (ITB), University of La Laguna, La Laguna, Spain
| | - Carmen Évora
- Department of Chemical Engineering and Pharmaceutical Technology, Institute of Biomedical Technologies (ITB), University of La Laguna, La Laguna, Spain
| | - José Antonio Riancho
- Department of Internal Medicine, Hospital U M Valdecilla, University of Cantabria, IDIVAL, Santander, Spain
| | - José Carlos Rodríguez-Rey
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, IDIVAL, Santander, Spain
| | - Flor María Pérez-Campo
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, IDIVAL, Santander, Spain
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Pozzolini M, Gallus L, Ghignone S, Ferrando S, Candiani S, Bozzo M, Bertolino M, Costa G, Bavestrello G, Scarfì S. Insights into the evolution of metazoan regenerative mechanisms: roles of TGF superfamily members in tissue regeneration of the marine sponge Chondrosia reniformis. ACTA ACUST UNITED AC 2019; 222:jeb.207894. [PMID: 31371401 DOI: 10.1242/jeb.207894] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 07/24/2019] [Indexed: 01/31/2023]
Abstract
Tissue repair is an adaptive and widespread metazoan response. It is characterised by different cellular mechanisms and complex signalling networks that involve numerous growth factors and cytokines. In higher animals, transforming growth factor-β (TGF-β) signalling plays a fundamental role in wound healing. In order to evaluate the involvement of TGF superfamily members in lower invertebrate tissue regeneration, sequences for putative TGF ligands and receptors were isolated from the transcriptome of the marine sponge Chondrosia reniformis We identified seven transcripts that coded for TGF superfamily ligands and three for TGF superfamily receptors. Phylogenetically, C. reniformis TGF ligands were not grouped into any TGF superfamily clades and thus presumably evolved independently, whereas the TGF receptors clustered in the Type I receptor group. We performed gene expression profiling of these transcripts in sponge regenerating tissue explants. Data showed that three ligands (TGF1, TGF3 and TGF6) were mainly expressed during early regeneration and seemed to be involved in stem cell maintenance, whereas two others (TGF4 and TGF5) were strongly upregulated during late regeneration and thus were considered pro-differentiating factors. The presence of a strong TGF inhibitor, SB431542, blocked the restoration of the exopinacoderm layer in the sponge explants, confirming the functional involvement of the TGF pathway in tissue regeneration in these early evolved animals.
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Affiliation(s)
- Marina Pozzolini
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Lorenzo Gallus
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Stefano Ghignone
- Institute for Sustainable Plant Protection-Turin Unit (CNR), Viale Mattioli 25, 10125 Torino, Italy
| | - Sara Ferrando
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Simona Candiani
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Matteo Bozzo
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Marco Bertolino
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Gabriele Costa
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Giorgio Bavestrello
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Sonia Scarfì
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
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Gunnella F, Kunisch E, Horbert V, Maenz S, Bossert J, Jandt KD, Plöger F, Kinne RW. In Vitro Release of Bioactive Bone Morphogenetic Proteins (GDF5, BB-1, and BMP-2) from a PLGA Fiber-Reinforced, Brushite-Forming Calcium Phosphate Cement. Pharmaceutics 2019; 11:pharmaceutics11090455. [PMID: 31484306 PMCID: PMC6781330 DOI: 10.3390/pharmaceutics11090455] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 08/06/2019] [Accepted: 08/23/2019] [Indexed: 12/17/2022] Open
Abstract
Bone regeneration of sheep lumbar osteopenia is promoted by targeted delivery of bone morphogenetic proteins (BMPs) via a biodegradable, brushite-forming calcium-phosphate-cement (CPC) with stabilizing poly(l-lactide-co-glycolide) acid (PLGA) fibers. The present study sought to quantify the release and bioactivity of BMPs from a specific own CPC formulation successfully used in previous in vivo studies. CPC solid bodies with PLGA fibers (0%, 5%, 10%) containing increasing dosages of GDF5, BB-1, and BMP-2 (2 to 1000 µg/mL) were ground and extracted in phosphate-buffered saline (PBS) or pure sheep serum/cell culture medium containing 10% fetal calf serum (FCS; up to 30/31 days). Released BMPs were quantified by ELISA, bioactivity was determined via alkaline phosphatase (ALP) activity after 3-day exposure of different osteogenic cell lines (C2C12; C2C12BRlb with overexpressed BMP-receptor-1b; MCHT-1/26; ATDC-5) and via the influence of the extracts on the expression of osteogenic/chondrogenic genes and proteins in human adipose tissue-derived mesenchymal stem cells (hASCs). There was hardly any BMP release in PBS, whereas in medium + FCS or sheep serum the cumulative release over 30/31 days was 11-34% for GDF5 and 6-17% for BB-1; the release of BMP-2 over 14 days was 25.7%. Addition of 10% PLGA fibers significantly augmented the 14-day release of GDF5 and BMP-2 (to 22.6% and 43.7%, respectively), but not of BB-1 (13.2%). All BMPs proved to be bioactive, as demonstrated by increased ALP activity in several cell lines, with partial enhancement by 10% PLGA fibers, and by a specific, early regulation of osteogenic/chondrogenic genes and proteins in hASCs. Between 10% and 45% of bioactive BMPs were released in vitro from CPC + PLGA fibers over a time period of 14 days, providing a basis for estimating and tailoring therapeutically effective doses for experimental and human in vivo studies.
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Affiliation(s)
- Francesca Gunnella
- Experimental Rheumatology Unit, Department of Orthopedics, Jena University Hospital, Waldkrankenhaus "Rudolf Elle", Klosterlausnitzer Str. 81, 07607 Eisenberg, Germany
| | - Elke Kunisch
- Experimental Rheumatology Unit, Department of Orthopedics, Jena University Hospital, Waldkrankenhaus "Rudolf Elle", Klosterlausnitzer Str. 81, 07607 Eisenberg, Germany
| | - Victoria Horbert
- Experimental Rheumatology Unit, Department of Orthopedics, Jena University Hospital, Waldkrankenhaus "Rudolf Elle", Klosterlausnitzer Str. 81, 07607 Eisenberg, Germany
| | - Stefan Maenz
- Chair of Materials Science, Otto Schott Institute of Materials Research, Friedrich Schiller University Jena, 07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Jörg Bossert
- Chair of Materials Science, Otto Schott Institute of Materials Research, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Klaus D Jandt
- Chair of Materials Science, Otto Schott Institute of Materials Research, Friedrich Schiller University Jena, 07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, 07743 Jena, Germany
- Jena School for Microbial Communication (JSMC), Friedrich Schiller University Jena, 07743 Jena, Germany
| | | | - Raimund W Kinne
- Experimental Rheumatology Unit, Department of Orthopedics, Jena University Hospital, Waldkrankenhaus "Rudolf Elle", Klosterlausnitzer Str. 81, 07607 Eisenberg, Germany.
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Lahr CA, Wagner F, Shafiee A, Rudert M, Hutmacher DW, Holzapfel BM. Recombinant Human Bone Morphogenetic Protein 7 Exerts Osteo-Catabolic Effects on Bone Grafts That Outweigh Its Osteo-Anabolic Capacity. Calcif Tissue Int 2019; 105:331-340. [PMID: 31214730 DOI: 10.1007/s00223-019-00574-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 06/07/2019] [Indexed: 11/29/2022]
Abstract
This study aimed to investigate the effects of recombinant human bone morphogenetic protein (rhBMP-7) on human cancellous bone grafts (BGs) while differentiating between anabolic and catabolic events. Human BGs alone or supplemented with rhBMP-7 were harvested 14 weeks after subcutaneous implantation into NOD/Scid mice, and studied via micro-CT, histomorphometry, immunohistochemistry and flow cytometry. Immunohistochemical staining for human-specific proteins made it possible to differentiate between grafted human bone and newly formed murine bone. Only BGs implanted with rhBMP-7 formed an ossicle containing a functional hematopoietic compartment. The total ossicle volume in the BMP+ group was higher than in the BMP- group (835 mm3 vs. 365 mm3, respectively, p < 0.001). The BMP+ group showed larger BM spaces (0.47 mm vs. 0.28 mm, p = 0.002) and lower bone volume-to-total volume ratio (31% vs. 47%, p = 0.002). Immunohistochemical staining for human-specific proteins confirmed a higher ratio of newly formed bone area (murine) to total area (0.12 vs. 0.001, p < 0.001) in the BMP+ group, while the ratio of grafted bone (human) area to total area was smaller (0.14 vs. 0.34, p = 0.004). The results demonstrate that rhBMP-7 induces BG resorption at a higher rate than new bone formation while creating a haematopoietic niche. Clinicians therefore need to consider the net catabolic effect when rhBMP-7 is used with BGs. Overall, this model indicates its promising application to further decipher BMPs action on BGs and its potential in complex bone tissue regeneration.
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Affiliation(s)
- Christoph A Lahr
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), 60 Musk Avenue, Kelvin Grove, Brisbane, QLD, 4059, Australia
- Department of Orthopaedic Surgery, University of Wuerzburg, Koenig-Ludwig-Haus, Brettreichstrasse 11, 97074, Wuerzburg, Germany
| | - Ferdinand Wagner
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), 60 Musk Avenue, Kelvin Grove, Brisbane, QLD, 4059, Australia
- Department of Pediatric Surgery, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-University Munich, Lindwurmstrasse 4, 80337, Munich, Germany
| | - Abbas Shafiee
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), 60 Musk Avenue, Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Maximilian Rudert
- Department of Pediatric Surgery, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-University Munich, Lindwurmstrasse 4, 80337, Munich, Germany
| | - Dietmar W Hutmacher
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), 60 Musk Avenue, Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Boris Michael Holzapfel
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), 60 Musk Avenue, Kelvin Grove, Brisbane, QLD, 4059, Australia.
- Department of Orthopaedic Surgery, University of Wuerzburg, Koenig-Ludwig-Haus, Brettreichstrasse 11, 97074, Wuerzburg, Germany.
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Kang SH, Park JB, Kim I, Lee W, Kim H. Assessment of stem cell viability in the initial healing period in rabbits with a cranial bone defect according to the type and form of scaffold. J Periodontal Implant Sci 2019; 49:258-267. [PMID: 31485376 PMCID: PMC6713805 DOI: 10.5051/jpis.2019.49.4.258] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 07/30/2019] [Indexed: 12/22/2022] Open
Abstract
Purpose Increased bone regeneration has been achieved through the use of stem cells in combination with graft material. However, the survival of transplanted stem cells remains a major concern. The purpose of this study was to evaluate the viability of transplanted mesenchymal stem cells (MSCs) at an early time point (24 hours) based on the type and form of the scaffold used, including type I collagen membrane and synthetic bone. Methods The stem cells were obtained from the periosteum of the otherwise healthy dental patients. Four symmetrical circular defects measuring 6 mm in diameter were made in New Zealand white rabbits using a trephine drill. The defects were grafted with 1) synthetic bone (β-tricalcium phosphate/hydroxyapatite [β-TCP/HA]) and 1×105 MSCs, 2) collagen membrane and 1×105 MSCs, 3) β-TCP/HA+collagen membrane and 1×105 MSCs, or 4) β-TCP/HA, a chipped collagen membrane and 1×105 MSCs. Cellular viability and the cell migration rate were analyzed. Results Cells were easily separated from the collagen membrane, but not from synthetic bone. The number of stem cells attached to synthetic bone in groups 1, 3, and 4 seemed to be similar. Cellular viability in group 2 was significantly higher than in the other groups (P<0.05). The cell migration rate was highest in group 2, but this difference was not statistically significant (P>0.05). Conclusions This study showed that stem cells can be applied when a membrane is used as a scaffold under no or minimal pressure. When space maintenance is needed, stem cells can be loaded onto synthetic bone with a chipped membrane to enhance the survival rate.
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Affiliation(s)
- Seung-Hwan Kang
- Department of Dental Implantology, The Catholic University of Korea Graduate School of Clinical Dental Science, Seoul, Korea
| | - Jun-Beom Park
- Department of Dental Implantology, The Catholic University of Korea Graduate School of Clinical Dental Science, Seoul, Korea.,Department of Periodontics, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - InSoo Kim
- Department of Dental Implantology, The Catholic University of Korea Graduate School of Clinical Dental Science, Seoul, Korea.,Department of Oral and Maxillofacial Surgery, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Won Lee
- Department of Oral and Maxillofacial Surgery, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Heesung Kim
- Department of Oral and Maxillofacial Surgery, The Catholic University of Korea College of Medicine, Seoul, Korea.,Institute of Foreign Language Studies, Korea University, Seoul, Korea.,The Faculty of Liberal Arts, Eulji University, Seongnam, Korea
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49
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Engler-Pinto A, Siéssere S, Calefi A, Oliveira L, Ervolino E, de Souza S, Furlaneto F, Messora MR. Effects of leukocyte- and platelet-rich fibrin associated or not with bovine bone graft on the healing of bone defects in rats with osteoporosis induced by ovariectomy. Clin Oral Implants Res 2019; 30:962-976. [PMID: 31287918 DOI: 10.1111/clr.13503] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 06/03/2019] [Accepted: 06/18/2019] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To evaluate the healing of critical size defects (CSDs) in calvaria of rats with osteoporosis induced by ovariectomy and treated with leukocyte- and platelet-rich fibrin (L-PRF) associated or not with bovine bone graft (XENO). MATERIAL AND METHODS A total of 32 rats underwent a bilateral ovariectomy procedure. After 3 months, one 5 mm in diameter CSD was created in the middle of the calvaria of each animal. In group C, defect was filled with blood clot only. In PRF, XENO, and PRF-XENO groups, defects were filled with 0.1 ml of L-PRF, 0.1 ml of XENO, and a mixture of 0.1 ml of L-PRF plus 0.1 ml of XENO, respectively. L-PRF compressed clots were used to cover the defects in PRF and PRF-XENO groups. Animals were submitted to euthanasia at 30 postoperative days. Histomorphometric, microtomographic, and immunohistochemical analyses were performed. RESULTS PRF-XENO group presented greater amount of neoformed bone (NB) when compared with XENO group, as well as higher expression of vascular endothelial growth factor (VEGF), osteocalcin (OCN), and bone morphogenetic protein (BMP-2/4) (p < .05). PRF group presented increased amount of NB and higher expression of VEGF, OCN, BMP-2/4, and Runt-related transcription factor 2 (RUNX-2) when compared with group C (p < .05). CONCLUSIONS (a) The isolated use of L-PRF clot can improve bone neoformation in CSDs in rats with osteoporosis induced by ovariectomy, but seems to lead to decreased amount of bone neoformation when compared to the isolated use of XENO; (b) L-PRF potentiates the healing of XENO in rats with osteoporosis induced by ovariectomy.
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Affiliation(s)
- Ana Engler-Pinto
- Department of Morphology, Physiology and Basic Pathology - DMFPB, School of Dentistry, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Selma Siéssere
- Department of Morphology, Physiology and Basic Pathology - DMFPB, School of Dentistry, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Ana Calefi
- Department of Morphology, Physiology and Basic Pathology - DMFPB, School of Dentistry, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Luiz Oliveira
- Department of Oral and Maxillofacial Surgery and Periodontology - DCTBMF, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Edilson Ervolino
- Department of Basic Sciences, School of Dentistry, São Paulo State University, Araçatuba, SP, Brazil
| | - Sérgio de Souza
- Department of Oral and Maxillofacial Surgery and Periodontology - DCTBMF, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Flávia Furlaneto
- Department of Oral and Maxillofacial Surgery and Periodontology - DCTBMF, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Michel Reis Messora
- Department of Oral and Maxillofacial Surgery and Periodontology - DCTBMF, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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Li H, Li J, Cheng J, Chen X, Zhou L, Li Z. AML‑derived mesenchymal stem cells upregulate CTGF expression through the BMP pathway and induce K562‑ADM fusiform transformation and chemoresistance. Oncol Rep 2019; 42:1035-1046. [PMID: 31322275 PMCID: PMC6667869 DOI: 10.3892/or.2019.7237] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 07/12/2019] [Indexed: 12/27/2022] Open
Abstract
Bone marrow‑derived mesenchymal stem cells (MSCs), are the basic cellular components that make up the bone marrow microenvironment (BMM). In acute myeloid leukemia (AML), the morphology and function of MSCs changes in accordance with the transformation of the BMM. Moreover, the transformation of MSCs into osteoblasts is determined through the bone morphogenetic protein (BMP) pathway, ultimately leading to an altered expression of the downstream adhesion molecule, connective tissue growth factor (CTGF). In this study, we aimed to explore the interaction of possible pathways in AML‑derived mesenchymal stem cells (AML‑MSCs) co‑cultured with the K562 and K562‑ADM cell lines. AML‑MSCs were co‑cultured with K562/K562‑ADM cells, and the interactions between the cells were verified by morphological detection, peroxidase staining (POX), reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) and fluorescence in situ hybridization (FISH). The proliferation of K562/K562‑ADM cells under co‑culture conditions was detected by flow cytometry. The expression levels of BMP4 and CTGF were examined by RT‑qPCR and western blot (WB) analysis. The detection of interleukin (IL)‑6 and IL‑32 was also determined by enzyme linked immunosorbent assay (ELISA). In the co‑culture system, the K562‑ADM cells underwent fusiform transformation. The occurrence of this transformation was associated with an increased expression of CTGF due to the dysregulation of the BMP pathway. The AML‑MSCs promoted the proliferation of the K562‑ADM cell, but inhibited that of the K562 cells. These findings were confirmed by changes in the expression of the soluble cytokines, IL‑6 and IL‑32. On the whole, the findings of this study demonstrate that AML‑MSCs regulate the expression of CTGF through the BMP pathway. In addition, they affect cytokine production, induce spindle‑shaped transformation, and increase drug resistance in the K562‑ADM cells. Thus, the morphological transformation through the BMP pathway provides us with a novel target with which to circumvent tumor occurrence, development, drug resistance, invasion and metastasis.
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Affiliation(s)
- Haiying Li
- Department of Central Laboratory, The First Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
| | - Juan Li
- Department of Central Laboratory, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
| | - Juan Cheng
- Department of Hematology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
| | - Xuan Chen
- Department of Central Laboratory, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
| | - Lanxia Zhou
- Department of Central Laboratory, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
| | - Zhao Li
- Department of Central Laboratory, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
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