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Wang X, Li F, Wu S, Xing W, Fu J, Wang R, He Y. Research progress on optimization of in vitro isolation, cultivation and preservation methods of dental pulp stem cells for clinical application. Front Bioeng Biotechnol 2024; 12:1305614. [PMID: 38633667 PMCID: PMC11021638 DOI: 10.3389/fbioe.2024.1305614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
Due to high proliferative capacity, multipotent differentiation, immunomodulatory abilities, and lack of ethical concerns, dental pulp stem cells (DPSCs) are promising candidates for clinical application. Currently, clinical research on DPSCs is in its early stages. The reason for the failure to obtain clinically effective results may be problems with the production process of DPSCs. Due to the different preparation methods and reagent formulations of DPSCs, cell characteristics may be affected and lead to inconsistent experimental results. Preparation of clinical-grade DPSCs is far from ready. To achieve clinical application, it is essential to transit the manufacturing of stem cells from laboratory grade to clinical grade. This review compares and analyzes experimental data on optimizing the preparation methods of DPSCs from extraction to resuscitation, including research articles, invention patents and clinical trials. The advantages and disadvantages of various methods and potential clinical applications are discussed, and factors that could improve the quality of DPSCs for clinical application are proposed. The aim is to summarize the current manufacture of DPSCs in the establishment of a standardized, reliable, safe, and economic method for future preparation of clinical-grade cell products.
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Affiliation(s)
- Xinxin Wang
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Fenyao Li
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Shuting Wu
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Wenbo Xing
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Jiao Fu
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Ruoxuan Wang
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Yan He
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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Erdem Koc G, Gokcimen A, Sahin F. The Effect of Boric Acid and Sodium Pentaborate Pentahydrate-Treated Foreskin Derived Mesenchymal Stem Cells on Liver Fibrosis. Biol Trace Elem Res 2023; 201:4834-4849. [PMID: 36735212 DOI: 10.1007/s12011-023-03565-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 01/10/2023] [Indexed: 02/04/2023]
Abstract
Liver fibrosis is a worldwide public health problem due to its life-threatening complications, including portal hypertension, liver failure, cirrhosis, and hepatocellular carcinoma (HCC). Liver fibrosis is the net result of a complex excessive accumulation of extracellular matrix (ECM). Activation of hepatic stellate cells (HSCs) are the cause of deposition of ECM and are commonly recognized as a key step in liver fibrosis. The aim of this study was to investigate the effect of foreskin-derived mesenchymal stem cells treated with boron compounds on liver fibrosis. Rats were injected intraperitoneally with thioacetamide (TAA) at a dose of 150 mg/kg except sham and control groups' rats. Thioacetamide (TAA), foreskin-derived mesenchymal stem cells (TAA + FSDMSC), FSDMSC treated with boric acid (TAA + FSDMSC + BA), FSDMSC treated with sodium pentaborate pentahydrate (TAA + FSDMSC + NaB), control and sham groups were studied. Boron compound treated foreskin-derived mesenchymal stem cells were injected into the tail vein, and evaluations were conducted after 4 weeks and liver tissues were obtained for structural, immunohistochemical, and western blot studies and blood samples were taken for biochemical analysis. FSDMSC (BA) alleviates TAA-induced rats liver fibrosis, and BA showed a positive effect on foreskin-derived mesenchymal stem cells viability. After using BA-treated mesenchymal stem cells, we observed that there was regression in the fibrotic areas at TAA-induced liver fibrosis. The result demonstrates that the contribution of TAA + FSDMSC and TAA + FSDMSC (NaB) at the level of structure is not effective in regression of fibrosis in TAA-generated liver fibrosis. We concluded that FSDMSC treated with BA may be a factor in the regression of fibrosis.
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Affiliation(s)
- Guluna Erdem Koc
- Department of Histology and Embryology, School of Medicine, Gaziantep University, Gaziantep, Turkey.
| | - Alpaslan Gokcimen
- Department of Histology and Embryology, Aydın Adnan Menderes University, Aydın, Turkey
| | - Fikrettin Sahin
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
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Hayal TB, Doğan A, Şenkal S, Bulut E, Şişli HB, Şahin F. Evaluation of the effect of boron derivatives on cardiac differentiation of mouse pluripotent stem cells. J Trace Elem Med Biol 2023; 79:127258. [PMID: 37451093 DOI: 10.1016/j.jtemb.2023.127258] [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: 09/09/2022] [Revised: 06/06/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND The heart is one of the first organs to form during embryonic development and has a very important place. So much that the formation of a functional heart is completed on the 55th day of human development and the 15th day of mouse development. Myocardial, endocardial and epicardial cells, which are derived from the mesoderm layer, are the cells that form the basis of the heart. Cardiac development, like other embryonic developments, is tightly controlled and regulated by various signaling pathways. The WNT signaling pathway is the most studied of these signaling pathways and the one with the clearest relationship with heart development. It is known that boron compounds and the Wnt/β-catenin pathway are highly correlated. Therefore, this study aimed to investigate the role of boron compounds in heart development as well as its effect on pluripotency of mouse embryonic stem cells for the first time in the literature. METHODS Toxicity of boron compounds was evaluated by using MTS analysis and obtained results were supported by morphological pictures, Trypan Blue staining and Annexin V staining. Additionally, the possible boron-related change in pluripotency of embryonic stem cells were analyzed with alkaline phosphatase activity and immunocytochemical staining of Oct4 protein as well as gene expression levels of pluripotency related OCT4, SOX2 and KLF4 genes. The alterations in the embryonic body formation capacity of mouse embryonic stem cells due to the application boron derivatives were also evaluated. Three linage differentiation was conducted to clarify the real impact of boron compounds on embryonic development. Lastly, cardiac differentiation of mESCs was investigated by using morphological pictures, cytosolic calcium measurement, gene expression and immunocytochemical analysis of cardiac differentiation related genes and in the presence of boron compounds. RESULTS Obtained results show that boron treatment maintains the pluripotency of embryonic stem cells at non-toxic concentrations. Additionally, endodermal, and mesodermal fate was found to be triggered after boron treatment. Also, initiation of cardiomyocyte differentiation by boron derivative treatments caused an increased gene expression levels of cardiac differentiation related TNNT2, Nkx2.5 and ISL-1 gene expression levels. CONCLUSION This study indicates that boron application, which is responsible for maintaining pluripotency of mESCs, can be used for increased cardiomyocyte differentiation of mESCs.
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Affiliation(s)
- Taha Bartu Hayal
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey; Current affiliation: Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, United States.
| | - Ayşegül Doğan
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Selinay Şenkal
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Ezgi Bulut
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Hatice Burcu Şişli
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Fikrettin Şahin
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
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Inan Yuksel E, Demir B, Cicek D, Sahin K, Tuzcu M, Orhan C, Calik I, Sahin F. Sodium pentaborate pentahydrate promotes hair growth through the Wnt/β-catenin pathway and growth factors. J Trace Elem Med Biol 2022; 73:127007. [PMID: 35623224 DOI: 10.1016/j.jtemb.2022.127007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 03/03/2022] [Accepted: 05/17/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Boron (B) is an element involved in many physiological processes in humans and accelerates wound healing and increases angiogenesis. This study aimed to evaluate the possible effects of sodium pentaborate pentahydrate (NaB) on hair growth and reveal its effects on Wnt-1, β-catenin, vascular endothelial growth factor (VEGF), platelet-derived growth factor (PDGF), and transforming growth factor-β1 (TGF-β1) signaling pathways, which are important molecular mechanisms involved in hair growth. METHODS Thirty-five Sprague-Dawley/Wistar albino rats were randomly divided into five groups: non-shaved control, shaved control, NaB 1 mg (shaved + NaB 1 mg elemental B/kg CA), NaB 2 mg (shaved + NaB 2 mg elemental B/kg CA), and NaB 4 mg (shaved + NaB 4 mg elemental B/kg CA). Hair density was measured using the trichoscopy method. Dorsal skin samples were examined histopathologically at the end of the 42nd day, and follicle count, follicle diameter, and subcutaneous tissue thickness were recorded. Wnt-1, β-catenin, PDGF, VEGF, TGF-β1, and collagen I levels were analyzed with the Western blot method. RESULTS In trichoscopy measurements, hair density increased in the NaB 4 mg group (90.9%). In histopathological examination, anagen follicles were observed to increase in the NaB 1 mg and 2 mg groups (p < 0.05). Follicle diameter increased in all NaB groups (p < 0.05). The Wnt-1, β-catenin, PDGF, VEGF, TGF-β1, and collagen I level increased in the NaB 1 mg and 2 mg groups (p < 0.05), but they were similar in the NaB 4 mg group compared to the control groups (p > 0.05). CONCLUSION NaB 1 and 2 mg B/kg supplementation induces the anagen phase in rats via Wnt-1, β-catenin, VEGF, PDGF, and TGF-β1 signaling pathways. NaB 4 mg B/kg suppresses these pathways and adversely affects hair growth.
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Affiliation(s)
- Esma Inan Yuksel
- Department of Dermatology, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey.
| | - Betul Demir
- Department of Dermatology, Faculty of Medicine, Firat University, Elazig, Turkey
| | - Demet Cicek
- Department of Dermatology, Faculty of Medicine, Firat University, Elazig, Turkey
| | - Kazim Sahin
- Department of Animal Nutrition, Faculty of Veterinary Medicine, Firat University, Elazig, Turkey
| | - Mehmet Tuzcu
- Department of Biology, Faculty of Science, Firat University, Elazig, Turkey
| | - Cemal Orhan
- Department of Animal Nutrition, Faculty of Veterinary Medicine, Firat University, Elazig, Turkey
| | - Ilknur Calik
- Department of Pathology, Firat University Faculty of Medicine, Elazig, Turkey
| | - Fikrettin Sahin
- Department of Genetics and Bioengineering, Yeditepe University, Istanbul, Turkey
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Yamaguchi S, Takeuchi T, Ito M, Kokubo T. CaO-B 2O 3-SiO 2 glass fibers for wound healing. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:15. [PMID: 35072800 PMCID: PMC8786745 DOI: 10.1007/s10856-021-06618-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 10/27/2021] [Indexed: 06/14/2023]
Abstract
It was reported by Jung and Day in 2011 that a cotton-like glass fiber pad made of borate glass 13-93B3 demonstrated a remarkable wound healing effect. It was approved for sale as a novel wound dressing in the management of acute and chronic wounds in 2016. However, the detailed mechanism of its wound healing effect has not been reported. In the present study, glass fibers of different composition in the system CaO-B2O3-SiO2 were prepared and their in vitro properties investigated to determine the role of the constituent components in wound healing. Fine glass fibers that were 0.6-2.0 μm in diameter were obtained by a melt blown method. However, these fibers were accompanied by small glass beads because of the low viscosity of the glass melts. 13-93B3 glass released an appreciable amount of borate and calcium ions into simulated body fluid (SBF). The amounts of these released ions decreased with partial replacement of the B2O3 in 13-93B3 with SiO2. The addition of large amounts of the borate and calcium ions into the culture medium decreased the viability of the L929 fibroblasts. Partial replacement of the B2O3 in 13-93B3 with SiO2 induced the formation of an apatite-like phase amenable to the adsorption of biological components on its surface in SBF. The wound healing effect of these glass fibers of different composition is worth examining in future animal experiments.
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Affiliation(s)
- Seiji Yamaguchi
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi, 487-8501, Japan.
| | - Tamaki Takeuchi
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi, 487-8501, Japan
| | - Morihiro Ito
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi, 487-8501, Japan
| | - Tadashi Kokubo
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi, 487-8501, Japan
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Bucak MN, Keskin N, Bodu M, Bülbül B, Kırbaş M, Öztürk AE, Frootan F, İli P, Özkan H, Başpınar N, Dursun Ş. Combination of trehalose and low boron in presence of decreased glycerol improves post-thawed ram sperm parameters: A model study in boron research. Andrology 2021; 10:585-594. [PMID: 34779585 DOI: 10.1111/andr.13130] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/20/2021] [Accepted: 11/10/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Sperm cryopreservation has been widely used in the field of reproductive biotechnology. It applies to certain males of economic and scientific values, including livestock breeds or endangered animal species. The development of a semen extender with a low cryoprotectant concentration and an appropriate amount of trehalose and boron can prevent the deterioration of sperm parameters. OBJECTIVE The main goal of this study is to establish a suitable ram extender model, by examining different combinations of high (5%) and low (3%) glycerol concentrations (to reduce its toxic effects on sperm freezing), a fixed amount of trehalose and an increased dose of boron to prevent the deterioration of sperm parameters, and investigate the levels of gene expressions. MATERIALS AND METHODS The Merino ram ejaculates were collected. The collected ejaculates providing the defined criteria were pooled. The pooled ejaculates were divided into eight aliquots and diluted with the Tris extender including different combinations of glycerol (5% and 3%) and boron (0.25, 0.5, and 1 mm) concentrations and a fixed amount of trehalose, then frozen. After freeze-thawing process, sperm motility, mitochondrial membrane activity, plasma membrane integrity, acrosomal membrane integrity, DNA damage (single cell gel electrophoresis (COMET) and TUNEL assays) as well as NAD(P)H quinone oxyreductase (NQO1), glutamate-cycteine ligase (GCLC), and glutathione S-transferase (GSTP1) for molecular mechanisms of sperm cell response to oxidative stress were assessed for different extender groups following freeze-thawing process: 5% glycerol + 0 mm boron (G5B0.00), 5% glycerol + 0.25 mm boron (G5B0.25), 5% glycerol + 0.5 mm boron (G5B0.50), 5% glycerol + 1 mm boron (G5B1.00), 3% glycerol + 0 mm boron (G3B.00), 3% glycerol + 0.25 mm boron (G3B0.25), 3% glycerol + 0.5 mm boron (G3B0.50), and 3% glycerol + 1 mm boron (G3B1.00). RESULTS G3B0.25 presented higher percentages of subjective motility, mitochondrial activity, and viability of spermatozoa comparing with G5B0.00 and groups with boron. Supplementation of 0.25 mm boron with and without trehalose (G3B0.25 and G5B0.25) showed higher acrosome integrity, compared with G5B0.00, G5B1.00, G3B0.50, and G3B1.00. For TUNEL analysis, G3B1.00 showed the highest DNA integrity among the experimental groups which was statistically significant only with G5B0.50 (p < 0.05). The mRNA levels of NQO1 were significantly decreased in G5B1.00, G3B0.50, and G3B1.00, when compared to G5B0.00. In comparison with G5B0.00, supplementation of 1 mm boron with and without trehalose had significantly lower expression of GCLC. The level of GSTP1 gene was significantly lower (approximately threefold) in G3B1.00, compared to G5B0.00 (p < 0.05). DISCUSSION AND CONCLUSION It can be assumed that the increase of the boron concentration in the extender may have important adverse effects on sperm parameters and antioxidant gene expression after thawing. The results obtained from this study will help to understand the toxicity limits of boron and eliminate the toxicity of glycerol in studies of gametes and tissue freezing. Therefore, it can be concluded that the use of sufficient boron can decrease cryodamages of cryopreservation of mammalian spermatozoa as well tissue engineering.
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Affiliation(s)
- Mustafa Numan Bucak
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Sciences, Selçuk University, Konya, Turkey
| | - Nazan Keskin
- Department of Histology and Embryology, Faculty of Medicine, Pamukkale University, Denizli, Turkey
| | - Mustafa Bodu
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Sciences, Selçuk University, Konya, Turkey
| | - Bülent Bülbül
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Sciences, Dokuz Eylül University, İzmir, Turkey
| | - Mesut Kırbaş
- Bahri Dagdas International Agricultural Research Institute, Konya, Turkey
| | - Ali Erdem Öztürk
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Sciences, Erciyes University, Kayseri, Turkey
| | - Fateme Frootan
- National Institute of Genetic Engineering & Biotechnology (NIGEB), Tehran, Iran
| | - Pınar İli
- Denizli Vocational School of Health Services, Pamukkale University, Denizli, Turkey
| | - Hüseyin Özkan
- Department of Genetics, Faculty of Veterinary Sciences, Mustafa Kemal University, Hatay, Turkey
| | - Nuri Başpınar
- Department of Biochemistry, Faculty of Veterinary Sciences, Selcuk University, Konya, Turkey
| | - Şükrü Dursun
- Department of Gynecology and Obstetrics, Faculty of Veterinary Sciences, Aksaray University, Aksaray, Turkey
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Human ESC-derived Neuromesodermal Progenitors (NMPs) Successfully Differentiate into Mesenchymal Stem Cells (MSCs). Stem Cell Rev Rep 2021; 18:278-293. [PMID: 34669151 DOI: 10.1007/s12015-021-10281-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2021] [Indexed: 10/20/2022]
Abstract
Mesenchymal Stem Cells (MSCs), as an adult stem cell type, are used to treat various disorders in clinics. However, derivation of homogenous and adequate amount of MSCs limits the regenerative treatment potential. Although mesoderm is the main source of mesenchymal progenitors during embryonic development, neuromesodermal progenitors (NMPs), reside in the primitive streak during development, is known to differentiate into paraxial mesoderm. In the current study, we generated NMPs from human embryonic stem cells (hESC), subsequently derived MSCs and characterized this cell population in vitro and in vivo. Using a bFGF and CHIR induced NMP formation protocol followed by serum containing culture conditions; here we show that MSCs can be generated from NMPs identified by not only the expression of T/Bra and Sox 2 but also FLK-1/PDGFRα in our study. NMP-derived MSCs were plastic adherent fibroblast like cells with colony forming capacity and trilineage (osteo-, chondro- and adipo-genic) differentiation potential. In the present study, we demonstrate that NMP-derived MSCs have an endothelial tendency which might be related to their FLK-1+/PDGFRα + NMP origin. NMP-derived MSCs displayed a protein expression profile of characterized MSCs. Growth factor and angiogenesis related pathway proteins were similarly expressed in NMP-derived MSCs and characterized MSCs. NMP-derived MSCs keep characteristics after short-term and long-term freeze-thaw cycles and localized into bone marrow followed by tail vein injection into NOD/SCID mice. Together, these data showed that hESC-derived NMPs might be used as a precursor cell population for MSC derivation and could be used for in vitro and in vivo research.
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Erol OD, Pervin B, Seker ME, Aerts-Kaya F. Effects of storage media, supplements and cryopreservation methods on quality of stem cells. World J Stem Cells 2021; 13:1197-1214. [PMID: 34630858 PMCID: PMC8474714 DOI: 10.4252/wjsc.v13.i9.1197] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/21/2021] [Accepted: 08/24/2021] [Indexed: 02/06/2023] Open
Abstract
Despite a vast amount of different methods, protocols and cryoprotective agents (CPA), stem cells are often frozen using standard protocols that have been optimized for use with cell lines, rather than with stem cells. Relatively few comparative studies have been performed to assess the effects of cryopreservation methods on these stem cells. Dimethyl sulfoxide (DMSO) has been a key agent for the development of cryobiology and has been used universally for cryopreservation. However, the use of DMSO has been associated with in vitro and in vivo toxicity and has been shown to affect many cellular processes due to changes in DNA methylation and dysregulation of gene expression. Despite studies showing that DMSO may affect cell characteristics, DMSO remains the CPA of choice, both in a research setting and in the clinics. However, numerous alternatives to DMSO have been shown to hold promise for use as a CPA and include albumin, trehalose, sucrose, ethylene glycol, polyethylene glycol and many more. Here, we will discuss the use, advantages and disadvantages of these CPAs for cryopreservation of different types of stem cells, including hematopoietic stem cells, mesenchymal stromal/stem cells and induced pluripotent stem cells.
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Affiliation(s)
- Ozgur Dogus Erol
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, Ankara 06100, Turkey
- Center for Stem Cell Research and Development, Hacettepe University, Ankara 06100, Turkey
| | - Burcu Pervin
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, Ankara 06100, Turkey
- Center for Stem Cell Research and Development, Hacettepe University, Ankara 06100, Turkey
| | - Mehmet Emin Seker
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, Ankara 06100, Turkey
- Center for Stem Cell Research and Development, Hacettepe University, Ankara 06100, Turkey
| | - Fatima Aerts-Kaya
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, Ankara 06100, Turkey
- Center for Stem Cell Research and Development, Hacettepe University, Ankara 06100, Turkey
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Khaseb S, Orooji M, Pour MG, Safavi SM, Eghbal MJ, Rezai Rad M. Dental stem cell banking: Techniques and protocols. Cell Biol Int 2021; 45:1851-1865. [PMID: 33979004 DOI: 10.1002/cbin.11626] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 04/21/2021] [Accepted: 05/01/2021] [Indexed: 12/13/2022]
Abstract
Dental tissue-derived stem cells (DSCs) provide an easy, accessible, relatively noninvasive promising source of adult stem cells (ASCs), which brought encouraging prospective for their clinical applications. DSCs provide a perfect opportunity to apply for a patient's own ASC, which poses a low risk of immune rejection. However, problems associated with the long-term culture of stem cells, including loss of proliferation and differentiation capacities, senescence, genetic instability, and the possibility of microbial contamination, make cell banking necessary. With the rapid development of advanced cryopreservation technology, various international DSC banks have been established for both research and clinical applications around the world. However, few studies have been published that provide step-by-step guidance on DSCs isolation and banking methods. The purpose of this review is to present protocols and technical details for all steps of cryopreserved DSCs, from donor selection, isolation, cryopreservation, to characterization and quality control. Here, the emphasis is on presenting practical principles in accordance with the available valid guidelines.
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Affiliation(s)
- Sanaz Khaseb
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran
| | - Mahdi Orooji
- Department of Electrical and Computer Engineering, Tarbiat Modares University (TMU), Tehran, Iran
| | - Majid Ghasemian Pour
- Research Institute for Dental Sciences, Dental Research Center, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammadreza Safavi
- Research Institute for Dental Sciences, Dental Research Center, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Jafar Eghbal
- Research Institute for Dental Sciences, Dental Research Center, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Rezai Rad
- Research Institute for Dental Sciences, Dental Research Center, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Shende P, Gandhewar N. Current Trend and Pro-survival Approaches for Augmenting Stem Cell Viability. Curr Pharm Biotechnol 2020; 21:1154-1164. [PMID: 32297579 DOI: 10.2174/1389201021666200416130253] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Stem cells are of two types: embryonic and adult stem cells and they act as a repair system by replenishing body tissue. Stem cells differentiate into different types of cells, such as neural, hematopoietic, adipose, etc. and are used for the treatment of various conditions like myocardial infarction, spinal cord injury, Parkinson's disease and diabetes. METHODS This article focuses on recent research development that addresses the viability issues of stem cells. The efficiency of transplanted stem cells reduces due to conditions like hypoxia, inflammation, nutrient deprivation, immunogenicity, extracellular matrix loss on delivery and mechanical stress. RESULTS To increase the viability of stem cells, techniques like scaffolds of stem cells with hydrogel or alginate, pre-conditioning, different routes of administration and encapsulation, are implemented. CONCLUSION For the protection of stem cells against apoptosis, different pathways, namely Phosphoinositide 3-Kinase (PI3K/AKT), Hypoxia-Inducible Factor (HIF1), Mitogen-Activated Protein Kinases (MAPK) and Hippo, are discussed. DISCUSSION Activation of the PI3K/AKT pathway decreases the concentration of apoptotic factors, while the HIF pathway protects stem cells against the micro-environment of tissue (hypoxia).
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Affiliation(s)
- Pravin Shende
- Shobhaben Pratapbhai Patel School Pharmacy and Technology Management SVKM'S NMIMS, V.L Mehta Road, Vile Parle(W), Mumbai, India
| | - Nivedita Gandhewar
- Shobhaben Pratapbhai Patel School Pharmacy and Technology Management SVKM'S NMIMS, V.L Mehta Road, Vile Parle(W), Mumbai, India
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11
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Thyparambil NJ, Gutgesell LC, Bromet BA, Flowers LE, Greaney S, Day DE, Semon JA. Bioactive borate glass triggers phenotypic changes in adipose stem cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:35. [PMID: 32206916 DOI: 10.1007/s10856-020-06366-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 02/17/2020] [Indexed: 06/10/2023]
Abstract
A bioactive borate glass, 13-93B3 (B3), has been used successfully in the clinic to treat chronic, nonhealing wounds without scarring. However, the mechanism by which B3 stimulates wound healing is poorly understood. Because adipose stem cells (ASCs) have been shown to have multiple roles in wound repair, we hypothesized that B3 triggers ASCs. In this study, we evaluate the effects of B3 on ASC survival, migration, differentiation, and protein secretion in vitro. In concentrations ≤10 mg/ml, B3 did not affect ASC viability under static conditions. B3 promoted the migration of ASCs but did not increase differentiation into bone or fat. B3 also decreased ASCs secretion of collagen I, PAI-1, MCP-1, DR6, DKK-1, angiogenin, IL-1, IGFBP-6, VEGF, and TIMP-2; increased expression of IL-1R and E-selectin; had a transient decrease in IL-6 secretion; and had a transient increase in bFGF secretion. Together, these results show that B3 alters the protein secretion of ASCs.
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Affiliation(s)
- Nathan J Thyparambil
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Lisa C Gutgesell
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Bradley A Bromet
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Lauren E Flowers
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Samantha Greaney
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Delbert E Day
- Department of Material Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA
- Center for Biomedical Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA
| | - Julie A Semon
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA.
- Center for Biomedical Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA.
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12
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Jin E, Hu Q, Ren M, Jin G, Liang L, Li S. Effects of Selenium Yeast in Combination with Boron on Muscle Growth and Muscle Quality in Broilers. Biol Trace Elem Res 2019; 190:472-483. [PMID: 30392019 DOI: 10.1007/s12011-018-1548-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/09/2018] [Indexed: 11/29/2022]
Abstract
The effect of selenium yeast in combination with boron on both growth and quality of the muscle in broilers was investigated. A total of 600 one-day-old Arbor Acres broilers were randomly divided into five groups with 120 broilers per group (6 replicates per group). The control group received a basal diet, and experimental groups I-IV received the same basal diet supplemented with 0.3 mg/kg selenium yeast and different doses of boron (0, 5, 10, and 15 mg/kg, respectively). The experiment was conducted for 42 days. Breast and thigh muscles were harvested and muscle quality were examined on day 21 and day 42 of the experiment. Compared to the control group, at 21 days of age, the thigh muscle weight and index were significantly increased in broilers of experimental group II (all P < 0.05); however, the drip loss and shear force of breast and thigh muscle were significantly decreased (P < 0.05). At 42 days of age, the breast muscle weight and index as well as the breast and thigh muscle water holding capability had significantly increased in broilers of experimental group II (all P < 0.05); the breast and thigh muscle drip loss, cooking loss and shear force, and thigh muscle fiber diameter were significantly reduced (all P < 0.05). Breast and thigh muscle fibers were tightly arranged with small cross-sectional areas in broilers of experimental group II. These results suggest that supplementation of 0.3 mg/kg selenium yeast in combination with 5 mg/kg boron in the basal diet can promote muscle growth and improved muscle quality in broilers.
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Affiliation(s)
- Erhui Jin
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, China
| | - Qianqian Hu
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, China
| | - Man Ren
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, China
| | - Guangming Jin
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, China
| | - Lin Liang
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, China
| | - Shenghe Li
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, China.
- Key Laboratory for the Quality and Safety Control of Pork in the Ministry of Agriculture, No. 9 Yongxing West Road, Lixin County, Anhui Province, China.
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13
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Aydın S, Demirci S, Doğan A, Sağraç D, Kaşıkcı E, Şahin F. Boron containing compounds promote the survival and the maintenance of pancreatic β-cells. Mol Biol Rep 2019; 46:5465-5478. [PMID: 31368021 DOI: 10.1007/s11033-019-05002-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 07/24/2019] [Indexed: 01/11/2023]
Abstract
Diabetes mellitus is worldwide disease. The life of diabetic patients are dependent on exogenous insulin. Pancreas or particularly islet transplantations are performed for reducing external insulin dependency. External substances are also used to protect the β-cells from the death or increase insulin secretion. In the current study, two different boron containing compounds (sodium pentaborate pentahydrate-NaB and boric acid-BA) were investigated for their effect on pancreatic cells in terms of pro-apoptotic and anti-apoptotic markers, genes related to insulin production mechanism, pancreatic development and glucose metabolism, some antioxidant enzymes, and genes for the initiation of diabetes, insulin secretion and antioxidant enzyme activities in vitro. The results revealed that boron containing compounds did not lead to apoptosis. On the contrary, they increased cell viability, antioxidant enzyme activities and the level of genes related to insulin production. Overall evaluation, data in the current study showed that boron containing compounds might be promising therapeutic agents for type 1 diabetes. However, additional investigations are strictly needed to elucidate molecular mechanisms of boron containing compounds.
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Affiliation(s)
- Safa Aydın
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Selami Demirci
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes and National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ayşegül Doğan
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Derya Sağraç
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Ezgi Kaşıkcı
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Fikrettin Şahin
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey.
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14
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Akdere ÖE, Shikhaliyeva İ, Gümüşderelioğlu M. Boron mediated 2D and 3D cultures of adipose derived mesenchymal stem cells. Cytotechnology 2019; 71:611-622. [PMID: 30905012 DOI: 10.1007/s10616-019-00310-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 03/19/2019] [Indexed: 01/17/2023] Open
Abstract
Boron (B), which is a beneficial bioactive element for human, has an increasing interest in tissue engineering for the last 5 years. However, the effective B concentration in cell culture is still unknown. The aim of the present study is to investigate in vitro osteogenic potential of mesenchymal stem cells, isolated from adipose tissue (AdMSCs), on boron containing 2D and 3D cell cultures. At first, the effects of B concentrations between 1 and 20 μg/mL were evaluated on the survival and osteogenic differentiation of AdMSCs cultured on 2D cell cultures. The 3D cultures were established by using chitosan (Ch) scaffolds prepared by freeze-drying and Ch scaffolds combined with hydroxyapatite (HAp) and B containing hydroxyapatite (B-HAp) that are produced by microwave-induced biomimetic method. The proliferation and osteogenic differentiation of AdMSCs on Ch, HAp/Ch and B-HAp/Ch scaffolds were investigated by in vitro cell culture studies. The results were evaluated with respect to cell viability, bone related ECM gene expressions, and cellular morphology. It was demonstrated that cellular functions of AdMSCs were enhanced by boron in both 2D and 3D cultures. Especially, B-HAp/Ch scaffolds, which have both osteoinductive and osteoconductive properties based on presence of B and HAp in its structure, promoted adhesion, proliferation and osteogenic differentiation of AdMSCs.
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Affiliation(s)
- Özge Ekin Akdere
- Department of Bioengineering, Hacettepe University, Ankara, Turkey
| | | | - Menemşe Gümüşderelioğlu
- Department of Bioengineering, Hacettepe University, Ankara, Turkey.
- Department of Chemical Engineering, Hacettepe University, Ankara, Turkey.
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15
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Jin E, Ren M, Liu W, Liang S, Hu Q, Gu Y, Li S. Effect of Boron on Thymic Cytokine Expression, Hormone Secretion, Antioxidant Functions, Cell Proliferation, and Apoptosis Potential via the Extracellular Signal-Regulated Kinases 1 and 2 Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:11280-11291. [PMID: 29032684 DOI: 10.1021/acs.jafc.7b04069] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Boron is an essential trace element in animals. Appropriate boron supplementation can promote thymus development; however, a high dose of boron can lead to adverse effects and cause toxicity. The influencing mechanism of boron on the animal body remains unclear. In this study, we examined the effect of boron on cytokine expression, thymosin and thymopoietin secretion, antioxidant function, cell proliferation and apoptosis, and extracellular signal-regulated kinases 1 and 2 (ERK1/2) pathway in the thymus of rats. We found that supplementation with 10 and 20 mg/L boron to the drinking water significantly elevated levels of interleukin 2 (IL-2), interferon γ (IFN-γ), interleukin 4 (IL-4), and thymosin α1 in the thymus of rats (p < 0.05), increased the number of positive proliferating cell nuclear antigen (PCNA+) cells and concentrations of glutathione peroxidase (GSH-Px) and phosphorylated extracellular signal-regulated kinase (p-ERK) (p < 0.05), and promoted mRNA expression of PCNA and ERK1/2 in thymocytes (p < 0.05). However, the number of caspase-3+ cells and the expression level of caspase-3 mRNA were reduced (p < 0.05). Supplementation with 40, 80, and 160 mg/L boron had no apparent effect on many of the above indicators. In contrast, supplementation with 480 and 640 mg/L boron had the opposite effect on the above indicators in rats and elevated levels of pro-inflammatory cytokines, such as interleukin 6 (IL-6), interleukin 1β (IL-1β), and tumor necrosis factor α (TNF-α) (p < 0.05). Our study showed that supplementation of various doses of boron to the drinking water had a U-shaped dose-effect relationship with thymic cytokine expression, hormone secretion, antioxidant function, cell proliferation, and apoptosis. Specifically, supplementation with 10 and 20 mg/L boron promoted thymocyte proliferation and enhanced thymic functions. However, supplementation with 480 and 640 mg/L boron inhibited thymic functions and increased the number of apoptotic thymocytes, suggesting that the effects of boron on thymic functions may be caused via the ERK1/2 signaling pathway.
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Affiliation(s)
- Erhui Jin
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Man Ren
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Wenwen Liu
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Shuang Liang
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Qianqian Hu
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Youfang Gu
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Shenghe Li
- College of Animal Science, Anhui Science and Technology University , 9 Donghua Road, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
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16
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Conde MCM, Chisini LA, Grazioli G, Francia A, Carvalho RVD, Alcázar JCB, Tarquinio SBC, Demarco FF. Does Cryopreservation Affect the Biological Properties of Stem Cells from Dental Tissues? A Systematic Review. Braz Dent J 2017; 27:633-640. [PMID: 27982171 DOI: 10.1590/0103-6440201600980] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 08/12/2016] [Indexed: 01/09/2023] Open
Abstract
This systematic review evaluated if different cryopreservation protocols could affect biological properties (Cell survival rate (CSR), proliferation, differentiation, maintenance of stem cell markers) of stem cells obtained from dental tissues (DSC) post-thaw. An electronic search was carried out within PubMed and ISI Web Science by using specific keyword. Two independent reviewers read the titles and abstracts of all reports respecting predetermined inclusion/exclusion criteria. Data were extracted considering the biological properties of previously cryopreserved DSCs and previously cryopreserved dental tissues. DSCs cryopreserved as soon as possible after their isolation presents a CSR quite similar to the non-cryopreserved DSC. Dimethyl sulfoxide (DMSO) [10%] showed good results related to cell recovery post-thaw to cryopreserve cells and tissues for periods of up to 2 years. The cryopreservation of DSC in a mechanical freezer (-80°C) allows the recovery of stem cells post-thaw. The facilities producing magnetic field (MF), demand a lower concentration of cryoprotectant, but their use is not dispensable. It is possible to isolate and cryopreserve dental pulp stem cell (DPSC) from healthy and diseased vital teeth. Cryopreservation of dental tissues for late DSC isolation, combined with MF dispensability, could be valuable to reduce costs and improve the logistics to develop teeth banks.
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Affiliation(s)
| | - Luiz Alexandre Chisini
- Post-Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - Guillermo Grazioli
- Post-Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - Alejandro Francia
- School of Dentistry, University of the Republic, Montevideo, Uruguay
| | | | - Jose Carlos Bernedo Alcázar
- Post-Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil.,Post-Graduate Program in Science and Material Engineering, Federal University of Pelotas, Pelotas, Brazil
| | - Sandra Beatriz Chavez Tarquinio
- Post-Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil.,Department of Semiology and Clinics, Federal University of Pelotas, Pelotas, Brazil
| | - Flávio Fernando Demarco
- Post-Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil.,Post-Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
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17
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Kojour MAM, Ebrahimi-Barough S, Kouchesfehani HM, Jalali H, Ebrahim MHK. Oleic acid promotes the expression of neural markers in differentiated human endometrial stem cells. J Chem Neuroanat 2016; 79:51-57. [PMID: 27865908 DOI: 10.1016/j.jchemneu.2016.11.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 10/26/2016] [Accepted: 11/12/2016] [Indexed: 02/07/2023]
Abstract
Variety of neurodegenerative diseases in humans are caused by loss of cells along with loss of function and disability. Cell replacement therapy is a potential strategy to cure neurodegenerative diseases. Mesenchymal stem cells are pluripotent non-hematopoietic cells that can be isolated from numerous tissues. Human endometrial-derived stem cell (hEnSC) are the abundant and easy available source with no immunological response, for cell replacement therapy. In the nervous system, where fatty acids are found in huge amounts, they participate in its development and maintenance throughout life. Oleic acid is a kind of the saturated fatty acids which plays crucial role in brain development. Oleic acid released by astrocytes is used by neurons for the synthesis of phospholipids and is specifically incorporated into growth cones. Human endometrial-derived stem cells in the third passage were divided into 3 groups including: control, sham (cultured in full differentiation medium without oleic acid) and experimental group (cultured in full differentiation medium with oleic acid) to differentiate over a 18-day period. Data from Real-Time PCR showed that mRNA levels of NF and β-TUBULIN were increased significantly (p<0.05) in oleic acid treated cells in comparison to control and sham groups. Immunocytochemistry analysis of Chat and NF expression also showed the same results. The present study clearly demonstrates that oleic acid promotes neural differentiation of hEnSC through regulation of gene expression.
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Affiliation(s)
| | - Somayeh Ebrahimi-Barough
- Department of Tissue Engineering and Applied Cell Sciences, School of Advance Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Hanieh Jalali
- Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
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18
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Movahedi Najafabadi BAH, Abnosi MH. Boron Induces Early Matrix Mineralization via Calcium Deposition and Elevation of Alkaline Phosphatase Activity in Differentiated Rat Bone Marrow Mesenchymal Stem Cells. CELL JOURNAL 2016; 18:62-73. [PMID: 27054120 PMCID: PMC4819387 DOI: 10.22074/cellj.2016.3988] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 09/14/2015] [Indexed: 11/04/2022]
Abstract
OBJECTIVE Boron (B) is essential for plant development and might be an essential micronutrient for animals and humans. This study was conducted to characterize the impact of boric acid (BA) on the cellular and molecular nature of differentiated rat bone marrow mesenchymal stem cells (BMSCs). MATERIALS AND METHODS In this experimental study, BMSCs were extracted and expanded to the 3rdpassage, then cultured in Dulbecco's Modified Eagle's Medium (DMEM) complemented with osteogenic media as well as 6 ng/ml and 6 µg/ml of BA. After 5, 10, 15 and 21 days the viability and the level of mineralization was determined using MTT assay and alizarin red respectively. In addition, the morphology, nuclear diameter and cytoplasmic area of the cells were studied with the help of fluorescent dye. The concentration of calcium, activity of alanine transaminase (ALT), aspartate transaminase (AST), lactate dehydrogenase (LDH) and alkaline phosphatase (ALP) as well as sodium and potassium levels were also evaluated using commercial kits and a flame photometer respectively. RESULTS Although 6 µg/ml of BA was found to be toxic, a concentration of 6 ng/ml increased the osteogenic ability of the cell significantly throughout the treatment. In addition it was observed that B treatment caused the early induction of matrix mineralization compared to controls. CONCLUSION Although more investigation is required, we suggest the prescription of a very low concentration of B in the form of BA or foods containing BA, in groups at high risk of osteoporosis or in the case of bone fracture.
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19
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Atila A, Halici Z, Cadirci E, Karakus E, Palabiyik SS, Ay N, Bakan F, Yilmaz S. Study of the boron levels in serum after implantation of different ratios nano-hexagonal boron nitride–hydroxy apatite in rat femurs. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 58:1082-9. [DOI: 10.1016/j.msec.2015.09.041] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 07/29/2015] [Accepted: 09/08/2015] [Indexed: 12/24/2022]
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20
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Mokkapati VRSS, Tasli NP, Khan Z, Tufani A, Pandit S, Budak H, Sahin F. NaB integrated graphene oxide membranes for enhanced cell viability and stem cell properties of human adipose stem cells. RSC Adv 2016. [DOI: 10.1039/c6ra07414f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A ready-made NaB integrated GO membrane platform to study the long term stem cell viability and enhanced proliferation of hASCs.
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Affiliation(s)
- V. R. S. S. Mokkapati
- Department of Biology and Biological Engineering
- Chalmers University of Technology
- Goteborg
- Sweden
| | - Neslihan P. Tasli
- Department of Genetics and Bioengineering
- Yeditepe University
- Istanbul
- Turkey
| | - Zaeema Khan
- Department of Biological Sciences and Bioengineering
- Sabanci University
- Istanbul 34956
- Turkey
| | - Ali Tufani
- Faculty of Engineering and Natural Sciences
- Sabanci University
- Istanbul 34956
- Turkey
| | - Santosh Pandit
- Department of Biology and Biological Engineering
- Chalmers University of Technology
- Goteborg
- Sweden
| | - Hikmet Budak
- Department of Biological Sciences and Bioengineering
- Sabanci University
- Istanbul 34956
- Turkey
| | - Fikrettin Sahin
- Department of Genetics and Bioengineering
- Yeditepe University
- Istanbul
- Turkey
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21
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Cryopreservation and Banking of Dental Stem Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 951:199-235. [DOI: 10.1007/978-3-319-45457-3_17] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Mesenchymal stromal cells derived from various tissues: Biological, clinical and cryopreservation aspects. Cryobiology 2015; 71:181-97. [PMID: 26186998 DOI: 10.1016/j.cryobiol.2015.07.003] [Citation(s) in RCA: 228] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 07/13/2015] [Indexed: 12/11/2022]
Abstract
Originally isolated from bone marrow, mesenchymal stromal cells (MSCs) have since been obtained from various fetal and post-natal tissues and are the focus of an increasing number of clinical trials. Because of their tremendous potential for cellular therapy, regenerative medicine and tissue engineering, it is desirable to cryopreserve and bank MSCs to increase their access and availability. A remarkable amount of research and resources have been expended towards optimizing the protocols, freezing media composition, cooling devices and storage containers, as well as developing good manufacturing practices in order to ensure that MSCs retain their therapeutic characteristics following cryopreservation and that they are safe for clinical use. Here, we first present an overview of the identification of MSCs, their tissue sources and the properties that render them suitable as a cellular therapeutic. Next, we discuss the responses of cells during freezing and focus on the traditional and novel approaches used to cryopreserve MSCs. We conclude that viable MSCs from diverse tissues can be recovered after cryopreservation using a variety of freezing protocols, cryoprotectants, storage periods and temperatures. However, alterations in certain functions of MSCs following cryopreservation warrant future investigations on the recovery of cells post-thaw followed by expansion of functional cells in order to achieve their full therapeutic potential.
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23
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Gümüşderelioğlu M, Tunçay EÖ, Kaynak G, Demirtaş TT, Aydın ST, Hakkı SS. Encapsulated boron as an osteoinductive agent for bone scaffolds. J Trace Elem Med Biol 2015; 31:120-8. [PMID: 26004902 DOI: 10.1016/j.jtemb.2015.03.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 03/17/2015] [Accepted: 03/26/2015] [Indexed: 11/17/2022]
Abstract
The aim of this study was to develop boron (B)-releasing polymeric scaffold to promote regeneration of bone tissue. Boric acid-doped chitosan nanoparticles with a diameter of approx. 175 nm were produced by tripolyphosphate (TPP)-initiated ionic gelation process. The nanoparticles strongly attached via electrostatic interactions into chitosan scaffolds produced by freeze-drying with approx. 100 μm pore diameter. According to the ICP-OES results, following first 5h initial burst release, fast release of B from scaffolds was observed for 24h incubation period in conditioned medium. Then, slow release of B was performed over 120 h. The results of the cell culture studies proved that the encapsulated boron within the scaffolds can be used as an osteoinductive agent by showing its positive effects on the proliferation and differentiation of MC3T3-E1 preosteoblastic cells.
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Affiliation(s)
| | - Ekin Ö Tunçay
- Hacettepe University, Department of Bioengineering, Ankara, Turkey
| | - Gökçe Kaynak
- Hacettepe University, Department of Bioengineering, Ankara, Turkey
| | - Tolga T Demirtaş
- Hacettepe University, Department of Bioengineering, Ankara, Turkey
| | - Seda Tığlı Aydın
- Bülent Ecevit University, Department of Biomedical Engineering, Zonguldak, Turkey
| | - Sema S Hakkı
- Selcuk University, Faculty of Dentistry, Department of Periodontology, Konya, Turkey
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24
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Doğan A, Demirci S, Şahin F. In vitro differentiation of human tooth germ stem cells into endothelial- and epithelial-like cells. Cell Biol Int 2014; 39:94-103. [PMID: 25077982 DOI: 10.1002/cbin.10357] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 06/11/2014] [Indexed: 12/26/2022]
Abstract
Current clinical techniques in dental practice include stem cell and tissue engineering applications. Dental stem cells are promising primary cell source for mainly tooth tissue engineering. Interaction of mesenchymal stem cell with epithelial and endothelial cells is strictly required for an intact tooth morphogenesis. Therefore, it is important to investigate whether human tooth germ stem cells (hTGSCs) derived from wisdom tooth are suitable for endothelial and epithelial cell transformation in dental tissue regeneration approaches. Differentiation into endothelial and epithelial cell lineages were mimicked under defined conditions, confirmed by real time PCR, western blotting and immunocytochemical analysis by qualitative and quantitative methods. HUVECs and HaCaT cells were used as positive controls for the endothelial and epithelial differentiation assays, respectively. Immunocytochemical and western blotting analysis revealed that terminally differentiated cells expressed cell-lineage markers including CD31, VEGFR2, VE-Cadherin, vWF (endothelial cell markers), and cytokeratin (CK)-17, CK-19, EpCaM, vimentin (epithelial cell markers) in significant levels with respect to undifferentiated control cells. Moreover, high expression levels of VEGFR1, VEGFR2, VEGF, CK-18, and CK-19 genes were detected in differentiated endothelial and epithelial-like cells. Endothelial-like cells derived from hTGSCs were cultured on Matrigel, tube-like structure formations were followed as an indication for functional endothelial differentiation. hTGSCs successfully differentiate into various cell types with a broad range of functional abilities using an in vitro approach. These findings suggest that hTGSCs may serve a potential stem cell source for tissue engineering and cell therapy of epithelial and endothelial tissue.
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Affiliation(s)
- Ayşegül Doğan
- Department of Genetics and BioEngineering, Faculty of Engineering and Architecture, Yeditepe University, 26 Ağustos Campus, Kayisdagi cad., Kayisdagi, TR-34755, Istanbul, Turkey
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