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Kwok LS, Yian SS, Ismael LQ, Bee YTG, Harn GL, Yin KB. Vimentin protein is a factor for decreasing breast cancer cell proliferation co-culture with human bone marrow-derived mesenchymal stem cells pre-treated with thiazolidinedione solutions. Mol Biol Rep 2024; 51:317. [PMID: 38381204 DOI: 10.1007/s11033-024-09269-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/18/2024] [Indexed: 02/22/2024]
Abstract
BACKGROUND Our previous study investigated the levels of soluble growth factors in the conditioned media of bone marrow-derived mesenchymal stem cells (BMSCs) pre-treated with thiazolidinedione solutions. The present study aimed to investigate the complex intracellular proteins extracted from BMSCs pre-treated with pioglitazone and/or rosiglitazone using proteomics. METHODS The proliferative effect of the identified protein on MCF-7 cells that interacted non-adhesively with BMSCs pre-treated with pioglitazone and/or rosiglitazone was evaluated using cell culture inserts and conditioned media. The mRNA expression of proliferation and lipid accumulation markers was also evaluated in the interacted MCF-7 cells by reverse transcription-quantitative PCR. Finally, the correlation between the identified protein and fibroblast growth factor 4 (FGF-4) protein in the conditioned media of the pre-treated BMSCs was evaluated by ELISA. RESULTS The present study identified vimentin as the specific protein among the complex intracellular proteins that likely plays a role in MCF-7 cell proliferation when the breast cancer cells interacted non-adhesively with BMSCs pre-treated with a combination of pioglitazone and rosiglitazone. The inhibition of this protein promoted the proliferation of MCF-7 cells when the breast cancer cells interacted with pre-treated BMSCs. Gene expression analysis indicated that pre-treatment of BMSCs with a combination of pioglitazone and rosiglitazone decreased the mRNA expression of Ki67 and proliferating cell nuclear antigen in MCF-7 cells. The pre-treatment did not induce mRNA expression of PPARγ, which is a sign of lipid accumulation. The level of vimentin protein was also associated with the FGF-4 protein expression level in the conditioned media of the pre-treated BMSCs. Bioinformatics analysis revealed that vimentin regulated the expression of FGF-4 through its interaction with SRY-box 2 and POU class 5 homeobox 1. CONCLUSIONS The present study identified a novel intracellular protein that may represent the promising target in pre-treated BMSCs to decrease the proliferation of breast cancer MCF-7 cells for human health and wellness.
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Affiliation(s)
- Lim Shern Kwok
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - Shim Siang Yian
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, 11800, Penang, Malaysia
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - Layla Qasim Ismael
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, 11800, Penang, Malaysia
- Department of Medical Biochemical Analysis, Cihan University-Erbil, Erbil, 44001, Iraq
| | - Yvonne Tee Get Bee
- School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
| | - Gam Lay Harn
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - Khoo Boon Yin
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, 11800, Penang, Malaysia.
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2
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Liubaviciute A, Ivaskiene T, Biziuleviciene G. Modulated mesenchymal stromal cells improve skin wound healing. Biologicals 2020; 67:1-8. [DOI: 10.1016/j.biologicals.2020.08.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/26/2020] [Accepted: 08/04/2020] [Indexed: 12/20/2022] Open
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3
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Liu C, Zhong G, Zhou Y, Yang Y, Tan Y, Li Y, Gao X, Sun W, Li J, Jin X, Cao D, Yuan X, Liu Z, Liang S, Li Y, Du R, Zhao Y, Xue J, Zhao D, Song J, Ling S, Li Y. Alteration of calcium signalling in cardiomyocyte induced by simulated microgravity and hypergravity. Cell Prolif 2020; 53:e12783. [PMID: 32101357 PMCID: PMC7106961 DOI: 10.1111/cpr.12783] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/21/2020] [Accepted: 02/02/2020] [Indexed: 12/14/2022] Open
Abstract
Objectives Cardiac Ca2+ signalling plays an essential role in regulating excitation‐contraction coupling and cardiac remodelling. However, the response of cardiomyocytes to simulated microgravity and hypergravity and the effects on Ca2+ signalling remain unknown. Here, we elucidate the mechanisms underlying the proliferation and remodelling of HL‐1 cardiomyocytes subjected to rotation‐simulated microgravity and 4G hypergravity. Materials and Methods The cardiomyocyte cell line HL‐1 was used in this study. A clinostat and centrifuge were used to study the effects of microgravity and hypergravity, respectively, on cells. Calcium signalling was detected with laser scanning confocal microscopy. Protein and mRNA levels were detected by Western blotting and real‐time PCR, respectively. Wheat germ agglutinin (WGA) staining was used to analyse cell size. Results Our data showed that spontaneous calcium oscillations and cytosolic calcium concentration are both increased in HL‐1 cells after simulated microgravity and 4G hypergravity. Increased cytosolic calcium leads to activation of calmodulin‐dependent protein kinase II/histone deacetylase 4 (CaMKII/HDAC4) signalling and upregulation of the foetal genes ANP and BNP, indicating cardiac remodelling. WGA staining indicated that cell size was decreased following rotation‐simulated microgravity and increased following 4G hypergravity. Moreover, HL‐1 cell proliferation was increased significantly under hypergravity but not rotation‐simulated microgravity. Conclusions Our study demonstrates for the first time that Ca2+/CaMKII/HDAC4 signalling plays a pivotal role in myocardial remodelling under rotation‐simulated microgravity and hypergravity.
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Affiliation(s)
- Caizhi Liu
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Guohui Zhong
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | | | | | - Yingjun Tan
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yuheng Li
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Xingcheng Gao
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Weijia Sun
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Jianwei Li
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Xiaoyan Jin
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Dengchao Cao
- State Key Laboratory of Agrobiotechnology, College of Life Sciences, China Agricultural University, Beijing, China
| | - Xinxin Yuan
- State Key Laboratory of Agrobiotechnology, College of Life Sciences, China Agricultural University, Beijing, China
| | - Zizhong Liu
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Shuai Liang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Youyou Li
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Ruikai Du
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yinlong Zhao
- Key Laboratory of Molecular and Cellular Biology of Ministry of Education, College of Life Science, Hebei Normal University, Shijiazhuang, China
| | - Jianqi Xue
- Key Laboratory of Molecular and Cellular Biology of Ministry of Education, College of Life Science, Hebei Normal University, Shijiazhuang, China
| | - Dingsheng Zhao
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Jinping Song
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Shukuan Ling
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yingxian Li
- State Key Lab of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
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Enhancement of the efficacy of mesenchymal stem cells in the treatment of ischemic diseases. Biomed Pharmacother 2018; 109:2022-2034. [PMID: 30551458 DOI: 10.1016/j.biopha.2018.11.068] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/17/2018] [Accepted: 11/19/2018] [Indexed: 02/05/2023] Open
Abstract
Ischemic diseases refer to a wide range of diseases caused by reduced blood flow and a subsequently deficient oxygen and nutrient supply. The pathogenesis of ischemia is multifaceted and primarily involves inflammation, oxidative stress and an apoptotic response. Over the last decade, mesenchymal stem cells (MSCs) have been widely studied as potential cell therapy agents for ischemic diseases due to their multiple favourable functions. However, the low homing and survival rates of transplanted cells have been concerns limiting for their clinical application. Recently, increasing studies have attempted to enhance the efficacy of MSCs by various strategies including genetic modification, pretreatment, combined application and biomaterial application. The purpose of this review is to summarize these creative strategies and the progress in basic and preclinical studies.
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Liubaviciute A, Kaseta V, Vaitkuviene A, Mackiewicz Z, Biziuleviciene G. Regenerative potential of partially differentiated mesenchymal stromal cells in a mouse model of a full-thickness skin wound. EXCLI JOURNAL 2018; 17:871-888. [PMID: 30233286 PMCID: PMC6141819 DOI: 10.17179/excli2018-1504] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 08/26/2018] [Indexed: 12/18/2022]
Abstract
Mesenchymal stromal cells (MSCs, known as mesenchymal stem cells) are considered to be a promising therapeutic tool for many diseases. But it is still unclear which cells are more efficient and safe for wound healing and tissue regeneration for clinical applications: undifferentiated, partially differentiated stem cells or differentiated cells. In this study, we modified MSCs with keratinocyte-conditioned medium (KCM) and examined MSCs, partially differentiated MSCs (PMSCs) and differentiated cell migration, accumulation in the wounded area as well as cell regenerative efficiency in a full-thickness skin wound model. In addition to that, the impact of intradermal and intravenous cell delivery methods of wound healing was evaluated. C57BL/6J mouse compact bone MSCs were treated with a KCM for 14 days. Flow cytometry analysis showed the appearance of keratinocyte surface markers which were absent in MSCs, whereas the specific markers for MSCs were lost. Cells were injected either intravenously or intradermally in C57BL/6J mice. Wound closure, cell migration and accumulation in the wounded area were further analysed. Wound healing was assessed by the rate of wound closure and by histological evaluation. Cells were monitored using optical imaging. We demonstrated that PMSCs showed morphology similar to keratinocyte cells, had enhanced migration and increased survival at the site of injury. PMSCs had a beneficial effect on wound healing and tissue regeneration. This effect was reinforced when these cells were injected intravenously. Due to their partial differentiation status, we assume that PMSCs can differentiate more rapidly into epidermal cell lineages thus causing faster and qualitatively improved wound healing.
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Affiliation(s)
- Ausra Liubaviciute
- State Research Institute Centre for Innovative Medicine, Department of Stem Cell Biology, Santariskiu str. 5, LT-08406 Vilnius, Lithuania
| | - Vytautas Kaseta
- State Research Institute Centre for Innovative Medicine, Department of Stem Cell Biology, Santariskiu str. 5, LT-08406 Vilnius, Lithuania
| | - Aida Vaitkuviene
- State Research Institute Centre for Innovative Medicine, Department of Stem Cell Biology, Santariskiu str. 5, LT-08406 Vilnius, Lithuania
| | - Zygmunt Mackiewicz
- State Research Institute Centre for Innovative Medicine, Department of Regenerative Medicine, Santariskiu str. 5, LT-08406 Vilnius, Lithuania
| | - Gene Biziuleviciene
- State Research Institute Centre for Innovative Medicine, Department of Stem Cell Biology, Santariskiu str. 5, LT-08406 Vilnius, Lithuania
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Kim D, Kwon S. Mechanical load increase-induced changes in cytoskeletal structure and cellular barrier function in human cerebral endothelial cells. Biotechnol Bioeng 2018; 115:2624-2631. [PMID: 29896880 DOI: 10.1002/bit.26742] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 06/06/2018] [Accepted: 06/08/2018] [Indexed: 11/09/2022]
Abstract
Globally, approximately a billion patients are estimated to suffer from neurological disorders. Although there are many therapeutic candidates for the central nervous system, treatment of brain disorders is restricted by the blood-brain barrier (BBB), which is a highly selective membrane that protects the brain from exogenous substances. This study was undertaken to develop a novel strategy to overcome the BBB and improve the efficiency of drug delivery to the brain by mechanical load increase using hypergravity. Human cerebral microvascular endothelial cells were exposed three times to 20 min hypergravity (10g), with a 20-min rest period between each exposure. The applied hypergravity reversibly decreased the cellular metabolic activity and increased the permeation rate of fluorescein sodium salt, fluorescein isothiocyanate-labeled dextran (FD-4), and fluorescein-labeled jacalin. Following the exposure to hypergravity, we also observed structural changes of the cytoskeleton and tight junctions, and an alteration in the expression levels of related genes. These results indicate that increased mechanical load due to the applied hypergravity affects the cytoskeletal arrangement and tight junctions, thereby weakening the cell barrier function and enhancing the permeability of the paracellular pathway. Thus, the mechanical load increase by hypergravity has the potential of being used as a novel strategy to overcome the BBB for brain drug delivery.
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Affiliation(s)
- Dongjoo Kim
- Department of Biological Engineering, Inha University, Incheon, South Korea
| | - Soonjo Kwon
- Department of Biological Engineering, Inha University, Incheon, South Korea
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Jang TY, Jung AY, Kwon S, Kim YH. Hypergravity enhances the therapeutic effect of dexamethasone in allergic asthma and rhinitis animal model. PLoS One 2018; 13:e0197594. [PMID: 29772010 PMCID: PMC5957331 DOI: 10.1371/journal.pone.0197594] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 05/04/2018] [Indexed: 12/16/2022] Open
Abstract
We investigated whether the therapeutic effects of dexamethasone for allergic asthma and rhinitis were enhanced in mice when exposed to hypergravity. Forty mice were divided into 5 groups (n = 8/group): Control group received saline intraperitoneally (i.p.) and intranasally (i.n.); Asthma group received i.p./i.n. ovalbumin (OVA) for inducing allergic asthma/rhinitis; Dexa group received i.n. dexamethasone (0.75 mg/kg) 30 minutes before each OVA challenge; Hypergravity group was subjected to allergic asthma/rhinitis as well as exposed to 5 G hypergravity for 30 days; Finally in Dexa/Hypergravity group, hypergravity and dexamethasone were used simultaneously during induction of allergic asthma/rhinitis. Dexa group and Hypergravity group showed a significant decrease in serum total IgE levels compared to the Asthma group (p<0.05). Dexa/Hypergravity group showed greater IgE decrease compared with Dexa group (p = 0.040). Compared with the monotherapy groups, Dexa/Hypergravity group showed significantly fewer eosinophils in BAL fluid (p<0.05). Dexa/Hypergravity group showed significantly decreased eosinophilic infiltration into the lungs and nasal cavity (p<0.05). EC-SOD (extracellular superoxide dismutase) expression was significantly upregulated in the Hypergravity group and Dexa/Hypergravity group, compared with the Dexa group (p<0.05). In conclusion, hypergravity enhanced the therapeutic effect of dexamethasone in a murine model of allergic asthma and rhinitis. Therefore, combination could be a promising strategy, and one of its mechanisms could be up-regulation of EC-SOD expression.
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Affiliation(s)
- Tae Young Jang
- Department of Otorhinolaryngology, Head and Neck Surgery, Inha University College of Medicine, Incheon, Republic of Korea
| | - Ah-Yeoun Jung
- Department of Otorhinolaryngology, Head and Neck Surgery, Inha University College of Medicine, Incheon, Republic of Korea
| | - Soonjo Kwon
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
| | - Young Hyo Kim
- Department of Otorhinolaryngology, Head and Neck Surgery, Inha University College of Medicine, Incheon, Republic of Korea
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Enhanced nasal drug delivery efficiency by increasing mechanical loading using hypergravity. Sci Rep 2018; 8:168. [PMID: 29317727 PMCID: PMC5760728 DOI: 10.1038/s41598-017-18561-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 12/13/2017] [Indexed: 02/07/2023] Open
Abstract
Nasal route drug administration for local and systemic delivery of many therapeutics has received attention because the nasal cavity is highly vascularized and provides a large surface area for drug absorption. However, nasal mucosa exhibits limited permeability to polar molecules. In this study, we developed a novel method for improving absorption efficiency of polar drugs by applying hypergravity. RPMI 2650 cells and primary human nasal epithelial cells were exposed three times to a 20 min hypergravitational condition (10 × g) with a 20 min rest period after each exposure. The applied hypergravity induced a decrease in transepithelial electrical resistance without significant loss of cellular metabolic activity, and cellular permeability of fluorescein sodium salt (MW 376 Da; NaFI) and FITC-labeled dextran (average MW 4,000 Da; FD-4) increased by 19% and 16%, respectively. Immunostaining and RT-qPCR results demonstrated that hypergravity conditions affected cytoskeletal structures and tight junctions, leading to weakening of the cell barrier function and increasing the cellular permeability of polar molecules. Our results indicate that hypergravity could be used as a new strategy for enhancing the efficiency of drug absorption via the nasal route.
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Singh A, Singh A, Sen D. Mesenchymal stem cells in cardiac regeneration: a detailed progress report of the last 6 years (2010-2015). Stem Cell Res Ther 2016; 7:82. [PMID: 27259550 PMCID: PMC4893234 DOI: 10.1186/s13287-016-0341-0] [Citation(s) in RCA: 146] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cells have been used for cardiovascular regenerative therapy for decades. These cells have been established as one of the potential therapeutic agents, following several tests in animal models and clinical trials. In the process, various sources of mesenchymal stem cells have been identified which help in cardiac regeneration by either revitalizing the cardiac stem cells or revascularizing the arteries and veins of the heart. Although mesenchymal cell therapy has achieved considerable admiration, some challenges still remain that need to be overcome in order to establish it as a successful technique. This in-depth review is an attempt to summarize the major sources of mesenchymal stem cells involved in myocardial regeneration, the significant mechanisms involved in the process with a focus on studies (human and animal) conducted in the last 6 years and the challenges that remain to be addressed.
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Affiliation(s)
- Aastha Singh
- School of Bio Sciences and Technology, VIT University, Vellore, India
| | - Abhishek Singh
- School of Bio Sciences and Technology, VIT University, Vellore, India
| | - Dwaipayan Sen
- School of Bio Sciences and Technology, VIT University, Vellore, India. .,Cellular and Molecular Therapeutics Laboratory, Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), VIT University, Vellore, 632014, Tamil Nadu, India.
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Hormetic Effect of Chronic Hypergravity in a Mouse Model of Allergic Asthma and Rhinitis. Sci Rep 2016; 6:27260. [PMID: 27251783 PMCID: PMC4890117 DOI: 10.1038/srep27260] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 05/17/2016] [Indexed: 01/24/2023] Open
Abstract
We aimed to evaluate the effect of chronic hypergravity in a mouse model of allergic asthma and rhinitis. Forty BALB/c mice were divided as: group A (n = 10, control) sensitized and challenged with saline, group B (n = 10, asthma) challenged by intraperitoneal and intranasal ovalbumin (OVA) to induce allergic asthma and rhinitis, and groups C (n = 10, asthma/rotatory control) and D (n = 10, asthma/hypergravity) exposed to 4 weeks of rotation with normogravity (1G) or hypergravity (5G) during induction of asthma/rhinitis. Group D showed significantly decreased eosinophils, neutrophils, and lymphocytes in their BAL fluid compared with groups B and C (p < 0.05). In real-time polymerase chain reaction using lung homogenate, the expression of IL-1β was significantly upregulated (p < 0.001) and IL-4 and IL-10 significantly downregulated (p < 0.05) in group D. Infiltration of inflammatory cells into lung parenchyma and turbinate, and the thickness of respiratory epithelium was significantly reduced in group D (p < 0.05). The expression of Bcl-2 and heme oxygenase-1 were significantly downregulated, Bax and extracellular dismutase significantly upregulated in Group D. Therefore, chronic hypergravity could have a hormetic effect for allergic asthma and rhinitis via regulation of genes involved in antioxidative and proapoptotic pathways. It is possible that we could use hypergravity machinery for treating allergic respiratory disorders.
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Hypergravity stimulation enhances PC12 neuron-like cell differentiation. BIOMED RESEARCH INTERNATIONAL 2015; 2015:748121. [PMID: 25785273 PMCID: PMC4345237 DOI: 10.1155/2015/748121] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/08/2015] [Accepted: 01/27/2015] [Indexed: 01/12/2023]
Abstract
Altered gravity is a strong physical cue able to elicit different cellular responses, representing a largely uninvestigated opportunity for tissue engineering/regenerative medicine applications. Our recent studies have shown that both proliferation and differentiation of C2C12 skeletal muscle cells can be enhanced by hypergravity treatment; given these results, PC12 neuron-like cells were chosen to test the hypothesis that hypergravity stimulation might also affect the behavior of neuronal cells, in particular promoting an enhanced differentiated phenotype. PC12 cells were thus cultured under differentiating conditions for either 12 h or 72 h before being stimulated with different values of hypergravity (50 g and 150 g). Effects of hypergravity were evaluated at transcriptional level 1 h and 48 h after the stimulation, and at protein level 48 h from hypergravity exposure, to assess its influence on neurite development over increasing differentiation times. PC12 differentiation resulted strongly affected by the hypergravity treatments; in particular, neurite length was significantly enhanced after exposure to high acceleration values. The achieved results suggest that hypergravity might induce a faster and higher neuronal differentiation and encourage further investigations on the potential of hypergravity in the preparation of cellular constructs for regenerative medicine and tissue engineering purposes.
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Rocca A, Marino A, Rocca V, Moscato S, de Vito G, Piazza V, Mazzolai B, Mattoli V, Ngo-Anh TJ, Ciofani G. Barium titanate nanoparticles and hypergravity stimulation improve differentiation of mesenchymal stem cells into osteoblasts. Int J Nanomedicine 2015; 10:433-45. [PMID: 25609955 PMCID: PMC4294648 DOI: 10.2147/ijn.s76329] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background Enhancement of the osteogenic potential of mesenchymal stem cells (MSCs) is highly desirable in the field of bone regeneration. This paper proposes a new approach for the improvement of osteogenesis combining hypergravity with osteoinductive nanoparticles (NPs). Materials and methods In this study, we aimed to investigate the combined effects of hypergravity and barium titanate NPs (BTNPs) on the osteogenic differentiation of rat MSCs, and the hypergravity effects on NP internalization. To obtain the hypergravity condition, we used a large-diameter centrifuge in the presence of a BTNP-doped culture medium. We analyzed cell morphology and NP internalization with immunofluorescent staining and coherent anti-Stokes Raman scattering, respectively. Moreover, cell differentiation was evaluated both at the gene level with quantitative real-time reverse-transcription polymerase chain reaction and at the protein level with Western blotting. Results Following a 20 g treatment, we found alterations in cytoskeleton conformation, cellular shape and morphology, as well as a significant increment of expression of osteoblastic markers both at the gene and protein levels, jointly pointing to a substantial increment of NP uptake. Taken together, our findings suggest a synergistic effect of hypergravity and BTNPs in the enhancement of the osteogenic differentiation of MSCs. Conclusion The obtained results could become useful in the design of new approaches in bone-tissue engineering, as well as for in vitro drug-delivery strategies where an increment of nanocarrier internalization could result in a higher drug uptake by cell and/or tissue constructs.
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Affiliation(s)
- Antonella Rocca
- Istituto Italiano di Tecnologia, Center for Micro-BioRobotics @ SSSA, Pontedera, Italy ; Scuola Superiore Sant'Anna, The BioRobotics Institute, Pontedera, Italy
| | - Attilio Marino
- Istituto Italiano di Tecnologia, Center for Micro-BioRobotics @ SSSA, Pontedera, Italy ; Scuola Superiore Sant'Anna, The BioRobotics Institute, Pontedera, Italy
| | - Veronica Rocca
- Università di Pisa, Dipartimento di Ingegneria dell'Informazione, Pisa, Italy, Noordwijk, the Netherlands
| | - Stefania Moscato
- Università di Pisa, Dipartimento di Medicina Clinica e Sperimentale, Pisa, Italy
| | - Giuseppe de Vito
- Istituto Italiano di Tecnologia, Center for Nanotechnology Innovation @NEST, Pisa, Italy ; Scuola Normale Superiore, NEST, Pisa, Italy
| | - Vincenzo Piazza
- Istituto Italiano di Tecnologia, Center for Nanotechnology Innovation @NEST, Pisa, Italy
| | - Barbara Mazzolai
- Istituto Italiano di Tecnologia, Center for Micro-BioRobotics @ SSSA, Pontedera, Italy
| | - Virgilio Mattoli
- Istituto Italiano di Tecnologia, Center for Micro-BioRobotics @ SSSA, Pontedera, Italy
| | - Thu Jennifer Ngo-Anh
- Directorate of Human Spaceflight and Operations, European Space Agency, Noordwijk, the Netherlands
| | - Gianni Ciofani
- Istituto Italiano di Tecnologia, Center for Micro-BioRobotics @ SSSA, Pontedera, Italy
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Hypoxia-pretreated human MSCs attenuate acute kidney injury through enhanced angiogenic and antioxidative capacities. BIOMED RESEARCH INTERNATIONAL 2014; 2014:462472. [PMID: 25133162 PMCID: PMC4123714 DOI: 10.1155/2014/462472] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 05/07/2014] [Accepted: 05/21/2014] [Indexed: 02/07/2023]
Abstract
Hypoxia preconditioning has been confirmed as an effective strategy to enhance the therapeutic potentials of mesenchymal stem cells (MSCs), such as for myocardial ischemia. However, whether hypoxia preconditioning would produce beneficial effects on MSC-based renal repair has not been demonstrated. In the study, we aimed to determine the feasibility and efficacy of hypoxia preconditioning to enhance MSC-based therapy of acute kidney injury (AKI). MSCs were isolated from human adipose tissues. The paracrine effects of MSCs under normoxia and hypoxia were determined in vitro. Rats of AKI were induced by kidney I/R surgery and randomly divided into three groups: I/R control receiving PBS injection; MSC group receiving normal MSC injection; hypoMSC group receiving hypoxia-preconditioned MSC injection. It was demonstrated in vitro that paracrine effects of MSCs were significantly enhanced, especially angiogenic factors. Dihydroethidium (DHE) staining showed that antioxidative activities of MSCs were significantly enhanced by hypoxia stimulation. Vascularization, apoptosis, and histological injury were all significantly improved in hypoMSC injected group compared with that in control and MSC injected groups. Finally, the renal function was also significantly improved in hypoMSC injected group compared with that in the other two groups as assessed by the serum creatinine and BUN levels.
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Chachques JC, Pradas MM, Bayes-Genis A, Semino C. Creating the bioartificial myocardium for cardiac repair: challenges and clinical targets. Expert Rev Cardiovasc Ther 2014; 11:1701-11. [PMID: 24215199 DOI: 10.1586/14779072.2013.854165] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The association of stem cells with tissue-engineered scaffolds constitutes an attractive approach for the repair of myocardial tissue with positive effects to avoid ventricular chamber dilatation, which changes from a natural elliptical to spherical shape in heart failure patients. Biohybrid scaffolds using nanomaterials combined with stem cells emerge as new therapeutic tool for the creation of 'bioartificial myocardium' and 'cardiac wrap bioprostheses' for myocardial regeneration and ventricular support. Biohybrids are created introducing stem cells and self-assembling peptide nanofibers inside a porous elastomeric membrane, forming cell niches. Our studies lead to the creation of semi-degradable 'ventricular support bioprostheses' for adaptative LV and/or RV wrapping, designed with the concept of 'helical myocardial bands'. The goal is to restore LV elliptical shape, and contribute to systolic contraction and diastolic filling (suction mechanism). Cardiac wrapping with ventricular bioprostheses may reduce the risk of heart failure progression and the indication for heart transplantation.
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Affiliation(s)
- Juan C Chachques
- Cardiovascular Surgery Department and Laboratory of Biosurgical Research, Pompidou Hospital, University of Paris Descartes, 56 rue Leblanc, 75015 Paris, France
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Imaging the survival and utility of pre-differentiated allogeneic MSC in ischemic heart. Biochem Biophys Res Commun 2013; 438:382-7. [DOI: 10.1016/j.bbrc.2013.07.084] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Accepted: 07/20/2013] [Indexed: 12/30/2022]
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Raynaud CM, Halabi N, Elliott DA, Pasquier J, Elefanty AG, Stanley EG, Rafii A. Human embryonic stem cell derived mesenchymal progenitors express cardiac markers but do not form contractile cardiomyocytes. PLoS One 2013; 8:e54524. [PMID: 23342164 PMCID: PMC3546995 DOI: 10.1371/journal.pone.0054524] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2012] [Accepted: 12/12/2012] [Indexed: 01/14/2023] Open
Abstract
Mesenchymal progenitors or stromal cells have shown promise as a therapeutic strategy for a range of diseases including heart failure. In this context, we explored the growth and differentiation potential of mesenchymal progenitors (MPs) derived in vitro from human embryonic stem cells (hESCs). Similar to MPs isolated from bone marrow, hESC derived MPs (hESC-MPs) efficiently differentiated into archetypical mesenchymal derivatives such as chondrocytes and adipocytes. Upon treatment with 5-Azacytidine or TGF-β1, hESC-MPs modified their morphology and up-regulated expression of key cardiac transcription factors such as NKX2-5, MEF2C, HAND2 and MYOCD. Nevertheless, NKX2-5+ hESC-MP derivatives did not form contractile cardiomyocytes, raising questions concerning the suitability of these cells as a platform for cardiomyocyte replacement therapy. Gene profiling experiments revealed that, although hESC-MP derived cells expressed a suite of cardiac related genes, they lacked the complete repertoire of genes associated with bona fide cardiomyocytes. Our results suggest that whilst agents such as TGF-β1 and 5-Azacytidine can induce expression of cardiac related genes, but treated cells retain a mesenchymal like phenotype.
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Affiliation(s)
- Christophe M. Raynaud
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College in Qatar Education City, Qatar Foundation, Doha, Qatar
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Najeeb Halabi
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College in Qatar Education City, Qatar Foundation, Doha, Qatar
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - David A. Elliott
- Monash Immunology and Stem Cell Laboratories, Monash University, Clayton, Victoria, Australia
- Murdoch Childrens Research Institute, Royal Children’s Hospital, Parkville, Victoria, Australia
| | - Jennifer Pasquier
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College in Qatar Education City, Qatar Foundation, Doha, Qatar
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Andrew G. Elefanty
- Monash Immunology and Stem Cell Laboratories, Monash University, Clayton, Victoria, Australia
- Murdoch Childrens Research Institute, Royal Children’s Hospital, Parkville, Victoria, Australia
| | - Edouard G. Stanley
- Monash Immunology and Stem Cell Laboratories, Monash University, Clayton, Victoria, Australia
- Murdoch Childrens Research Institute, Royal Children’s Hospital, Parkville, Victoria, Australia
| | - Arash Rafii
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College in Qatar Education City, Qatar Foundation, Doha, Qatar
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
- * E-mail:
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Yang S, Piao J, Jin L, Zhou Y. Does pretreatment of bone marrow mesenchymal stem cells with 5-azacytidine or double intravenous infusion improve their therapeutic potential for dilated cardiomyopathy? Med Sci Monit Basic Res 2013; 19:20-31. [PMID: 23314418 PMCID: PMC3638670 DOI: 10.12659/msmbr.883737] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Accepted: 08/27/2012] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND This study was designed to investigate whether pretreatment of bone marrow mesenchymal stem cells (BMSCs) with 5-azacytidine (5-aza) or double intravenous infusion could enhance their therapeutic potential for dilated cardiomyopathy (DCM). MATERIAL/METHODS BMSCs were cultured for 2 weeks in the presence or absence of 5-aza and DCM serum. The cultured BMSCs (Groups 1 and 2), 5-aza-induced BMSCs (Groups 3 and 4), and medium alone (model control) were transplanted into 80 female Wistar rats by intravenous tail vein injection. Double infusion of BMSCs with 1-day time-interval was carried out in Groups 2 and 4. Postmortem histological analysis and evaluation of heart function were performed at 4 weeks post-transplantation. RESULTS Some transplanted BMSCs engrafted into myocardial tissue and were positive for cardiac marker troponin T. The hearts containing transplanted BMSCs secreted a larger amount of vascular endothelial growth factor. Cardiac function parameters and serum level of brain natriuretic peptide (BNP) did not differ among Groups 1, 3, and the model control. As compared with model control, BMSC transplantation in Groups 2 and 4 significantly decreased the serum level of BNP and improved cardiac contractile function, as evidenced by reduced left ventricular end-diastolic and end-systolic diameter, elevated ejection fraction, and fractional shortening. CONCLUSIONS BMSC transplantation is a promising strategy for the treatment of DCM. Pretreatment of BMSCs with 5-aza and DCM serum does not enhance their therapeutic efficacy, and the double intravenous BMSC infusion method is superior to single infusion for preserving cardiac contractile function in a rat model of DCM.
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Haneef K, Lila N, Benadda S, Legrand F, Carpentier A, Chachques JC. Development of bioartificial myocardium by electrostimulation of 3D collagen scaffolds seeded with stem cells. Heart Int 2012. [PMID: 23185681 PMCID: PMC3504306 DOI: 10.4081/hi.2012.e14] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Electrostimulation (ES) can be defined as a safe physical method to induce stem cell differentiation. The aim of this study is to evaluate the effectiveness of ES on bone marrow mesenchymal stem cells (BMSCs) seeded in collagen scaffolds in terms of proliferation and differentiation into cardiomyocytes. BMSCs were isolated from Wistar rats and seeded into 3D collagen type 1 templates measuring 25 × 25 × 6 mm. Bipolar in vitro ES was performed during 21 days. Electrical impedance and cell proliferation were measured. Expression of cardiac markers was assessed by immunocytochemistry. Viscoelasticity of collagen matrix was evaluated. Electrical impedance assessments showed a low resistance of 234±41 Ohms which indicates good electrical conductivity of collagen matrix. Cell proliferation at 570 nm as significantly increased in ES groups after seven day (ES 0.129±0.03 vs non-stimulated control matrix 0.06±0.01, P=0.002) and after 21 days, (ES 0.22±0.04 vs control 0.13±0.01, P=0.01). Immunocytoche mistry of BMSCs after 21 days ES showed positive staining of cardiac markers, troponin I, connexin 43, sarcomeric alpha-actinin, slow myosin, fast myosin and desmin. Staining for BMSCs marker CD29 after 21 days was negative. Electrostimulation of cell-seeded collagen matrix changed stem cell morphology and biochemical characteristics, increasing the expression of cardiac markers. Thus, MSC-derived differentiated cells by electrostimulation grafted in biological scaffolds might result in a convenient tissue engineering source for myocardial diseases.
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Affiliation(s)
- Kanwal Haneef
- University Paris Descartes, Pompidou Hospital, Laboratory of Biosurgical Research (LRB), Paris
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Ciofani G, Ricotti L, Rigosa J, Menciassi A, Mattoli V, Monici M. Hypergravity effects on myoblast proliferation and differentiation. J Biosci Bioeng 2011; 113:258-61. [PMID: 22055920 DOI: 10.1016/j.jbiosc.2011.09.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Revised: 09/29/2011] [Accepted: 09/30/2011] [Indexed: 10/15/2022]
Abstract
This study aimed at the investigation of behavior of myoblasts in conditions of altered gravity. C2C12 cells underwent stimulations by different hypergravity intensities (2 h at 5 g, 10 g, and 20 g) in the Large Diameter Centrifuge of the European Space Agency (ESA), highlighting positive effects on both proliferation and differentiation.
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Affiliation(s)
- Gianni Ciofani
- Italian Institute of Technology, Center of MicroBioRobotics c/o Scuola Superiore Sant'Anna, Viale Rinaldo Piaggio 34, 56025 Pontedera (Pisa), Italy. ,
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