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李 驰, 樊 瑜, 郑 丽. [Differentiation of stem cells regulated by biophysical cues]. SHENG WU YI XUE GONG CHENG XUE ZA ZHI = JOURNAL OF BIOMEDICAL ENGINEERING = SHENGWU YIXUE GONGCHENGXUE ZAZHI 2023; 40:609-616. [PMID: 37666749 PMCID: PMC10477397 DOI: 10.7507/1001-5515.202208002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 12/03/2022] [Indexed: 09/06/2023]
Abstract
Stem cells have been regarded with promising application potential in tissue engineering and regenerative medicine due to their self-renewal and multidirectional differentiation abilities. However, their fate is relied on their local microenvironment, or niche. Recent studied have demonstrated that biophysical factors, defined as physical microenvironment in which stem cells located play a vital role in regulating stem cell committed differentiation. In vitro, synthetic physical microenvironments can be used to precisely control a variety of biophysical properties. On this basis, the effect of biophysical properties such as matrix stiffness, matrix topography and mechanical force on the committed differentiation of stem cells was further investigated. This paper summarizes the approach of mechanical models of artificial physical microenvironment and reviews the effects of different biophysical characteristics on stem cell differentiation, in order to provide reference for future research and development in related fields.
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Affiliation(s)
- 驰宇 李
- 北京航空航天大学 生物与医学工程学院 北京市生物医学工程高精尖创新中心 生物力学与力生物学教育部重点实验室(北京 100083)Key Laboratory of Biomechanics and Mechanobiology, Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, P. R. China
| | - 瑜波 樊
- 北京航空航天大学 生物与医学工程学院 北京市生物医学工程高精尖创新中心 生物力学与力生物学教育部重点实验室(北京 100083)Key Laboratory of Biomechanics and Mechanobiology, Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, P. R. China
| | - 丽沙 郑
- 北京航空航天大学 生物与医学工程学院 北京市生物医学工程高精尖创新中心 生物力学与力生物学教育部重点实验室(北京 100083)Key Laboratory of Biomechanics and Mechanobiology, Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, P. R. China
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Trikalitis VD, Kroese NJJ, Kaya M, Cofiño-Fabres C, Ten Den S, Khalil ISM, Misra S, Koopman BFJM, Passier R, Schwach V, Rouwkema J. Embedded 3D printing of dilute particle suspensions into dense complex tissue fibers using shear thinning xanthan baths. Biofabrication 2022; 15. [PMID: 36347040 DOI: 10.1088/1758-5090/aca124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 11/08/2022] [Indexed: 11/09/2022]
Abstract
In order to fabricate functional organoids and microtissues, a high cell density is generally required. As such, the placement of cell suspensions in molds or microwells to allow for cell concentration by sedimentation is the current standard for the production of organoids and microtissues. Even though molds offer some level of control over the shape of the resulting microtissue, this control is limited as microtissues tend to compact towards a sphere after sedimentation of the cells. 3D bioprinting on the other hand offers complete control over the shape of the resulting structure. Even though the printing of dense cell suspensions in the ink has been reported, extruding dense cellular suspensions is challenging and generally results in high shear stresses on the cells and a poor shape fidelity of the print. As such, additional materials such as hydrogels are added in the bioink to limit shear stresses, and to improve shape fidelity and resolution. The maximum cell concentration that can be incorporated in a hydrogel-based ink before the ink's rheological properties are compromised, is significantly lower than the concentration in a tissue equivalent. Additionally, the hydrogel components often interfere with cellular self-assembly processes. To circumvent these limitations, we report a simple and inexpensive xanthan bath based embedded printing method to 3D print dense functional linear tissues using dilute particle suspensions consisting of cells, spheroids, hydrogel beads, or combinations thereof. Using this method, we demonstrated the self-organization of functional cardiac tissue fibers with a layer of epicardial cells surrounding a body of cardiomyocytes.
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Affiliation(s)
- Vasileios D Trikalitis
- Department of Biomechanical Engineering, Vascularization Lab, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Niels J J Kroese
- Department of Applied Stem Cell Technologies, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Mert Kaya
- Surgical Robotics Laboratory, Department of Biomechanical Engineering, University of Twente, TechMed Center, MESA+ Institute, 7500AE Enschede, The Netherlands.,Surgical Robotics Laboratory, Department of Biomedical Engineering, University of Groningen and University Medical Centre Groningen, 9713AV Groningen, The Netherlands
| | - Carla Cofiño-Fabres
- Department of Applied Stem Cell Technologies, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Simone Ten Den
- Department of Applied Stem Cell Technologies, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Islam S M Khalil
- Surgical Robotics Laboratory, Department of Biomechanical Engineering, University of Twente, TechMed Center, MESA+ Institute, 7500AE Enschede, The Netherlands
| | - Sarthak Misra
- Surgical Robotics Laboratory, Department of Biomechanical Engineering, University of Twente, TechMed Center, MESA+ Institute, 7500AE Enschede, The Netherlands.,Surgical Robotics Laboratory, Department of Biomedical Engineering, University of Groningen and University Medical Centre Groningen, 9713AV Groningen, The Netherlands
| | - Bart F J M Koopman
- Department of Biomechanical Engineering, Vascularization Lab, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Robert Passier
- Department of Applied Stem Cell Technologies, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Verena Schwach
- Department of Applied Stem Cell Technologies, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
| | - Jeroen Rouwkema
- Department of Biomechanical Engineering, Vascularization Lab, University of Twente, Technical Medical Centre, 7500AE Enschede, The Netherlands
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Du R, Li D, Zhu M, Zheng L, Ren K, Han D, Li L, Ji J, Fan Y. Cell senescence alters responses of porcine trabecular meshwork cells to shear stress. Front Cell Dev Biol 2022; 10:1083130. [DOI: 10.3389/fcell.2022.1083130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022] Open
Abstract
Mechanical microenvironment and cellular senescence of trabecular meshwork cells (TMCs) are suspected to play a vital role in primary open-angle glaucoma pathogenesis. However, central questions remain about the effect of shear stress on TMCs and how aging affects this process. We have investigated the effect of shear stress on the biomechanical properties and extracellular matrix regulation of normal and senescent TMCs. We found a more significant promotion of Fctin formation, a more obvious realignment of F-actin fibers, and a more remarkable increase in the stiffness of normal cells in response to the shear stress, in comparison with that of senescent cells. Further, as compared to normal cells, senescent cells show a reduced extracellular matrix turnover after shear stress stimulation, which might be attributed to the different phosphorylation levels of the extracellular signal-regulated kinase. Our results suggest that TMCs are able to sense and respond to the shear stress and cellular senescence undermines the mechanobiological response, which may lead to progressive failure of cellular TM function with age.
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Jiao Y, Zhang Y, Xiao Y, Xing Y, Cai Z, Wang C, Zhou Z, Feng Z, Gu Y. The crescendo pulse frequency of shear stress stimulates the endothelialization of bone marrow mesenchymal stem cells on the luminal surface of decellularized scaffold in the bioreactor. Bioengineered 2022; 13:7925-7938. [PMID: 35358008 PMCID: PMC9278976 DOI: 10.1080/21655979.2022.2039502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
A completely confluent endothelial cell (EC) monolayer is required to maintain proper vascular function in small diameter tissue-engineered vascular graft (TEVG). However, the most effective method for EC attachment to the luminal surface and formation of an entire endothelium layer that works in vitro remains a complicated challenge that requires urgent resolution. Although pulsatile flow has been shown to be better suited for the generation of functional endothelium, the optimal frequency setting is unknown. Several pulsatile flow frequencies were used to implant rat bone mesenchymal stem cells (MSC) into the lumen of decellularized porcine carotid arteries. The endothelium's integrity and cell activity were investigated in order to determine the best pulse frequency settings. The results showed that MSC were maximally preserved and exhibited maximal morphological changes with improved endothelialization performance in response to increased pulse stimulation frequency. Increased pulse frequency stimulation stimulates the expression of mechanoreceptor markers, cytoskeleton reorganization in the direction of blood flow, denser skeletal proteins fibronectin, and stronger intercellular connections when compared to constant pulse frequency stimulation. MSC eventually develops an intact endothelial layer with anti-thrombotic properties on the inner wall of the decellularized tubular lumen. Conclusion: The decellularized vessels retain the three-dimensional structure of the vasculature, have a surface topography suitable for MSC growth, and have good mechanical properties. By increasing the frequency of pulsed stimulation, MSC endothelialize the lumen of the decellularized vasculature. It is expected to have anti-thrombotic and anti-neointimal hyperplasia properties after implantation, ultimately improving the patency of TEVG.
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Affiliation(s)
- Yuhao Jiao
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yuanguo Zhang
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yonghao Xiao
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Yuehao Xing
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Zhiwen Cai
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Cong Wang
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Zhengtong Zhou
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Zengguo Feng
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Yongquan Gu
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
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Huang Y, Qian JY, Cheng H, Li XM. Effects of shear stress on differentiation of stem cells into endothelial cells. World J Stem Cells 2021; 13:894-913. [PMID: 34367483 PMCID: PMC8316872 DOI: 10.4252/wjsc.v13.i7.894] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/20/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Stem cell transplantation is an appealing potential therapy for vascular diseases and an indispensable key step in vascular tissue engineering. Substantial effort has been made to differentiate stem cells toward vascular cell phenotypes, including endothelial cells (ECs) and smooth muscle cells. The microenvironment of vascular cells not only contains biochemical factors that influence differentiation but also exerts hemodynamic forces, such as shear stress and cyclic strain. More recently, studies have shown that shear stress can influence the differentiation of stem cells toward ECs. A deep understanding of the responses and underlying mechanisms involved in this process is essential for clinical translation. This review highlights current data supporting the role of shear stress in stem cell differentiation into ECs. Potential mechanisms and signaling cascades for transducing shear stress into a biological signal are proposed. Further study of stem cell responses to shear stress will be necessary to apply stem cells for pharmacological applications and cardiovascular implants in the realm of regenerative medicine.
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Affiliation(s)
- Yan Huang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Jia-Yi Qian
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Hong Cheng
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Xiao-Ming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
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Nguyen J, Lin YY, Gerecht S. The next generation of endothelial differentiation: Tissue-specific ECs. Cell Stem Cell 2021; 28:1188-1204. [PMID: 34081899 DOI: 10.1016/j.stem.2021.05.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Endothelial cells (ECs) sense and respond to fluid flow and regulate immune cell trafficking in all organs. Despite sharing the same mesodermal origin, ECs exhibit heterogeneous tissue-specific characteristics. Human pluripotent stem cells (hPSCs) can potentially be harnessed to capture this heterogeneity and further elucidate endothelium behavior to satisfy the need for increased accuracy and breadth of disease models and therapeutics. Here, we review current strategies for hPSC differentiation to blood vascular ECs and their maturation into continuous, fenestrated, and sinusoidal tissues. We then discuss the contribution of hPSC-derived ECs to recent advances in organoid development and organ-on-chip approaches.
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Affiliation(s)
- Jane Nguyen
- Department of Chemical and Biomolecular Engineering, The Institute for NanoBioTechnology, Physical Sciences-Oncology Center, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Ying-Yu Lin
- Department of Chemical and Biomolecular Engineering, The Institute for NanoBioTechnology, Physical Sciences-Oncology Center, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Sharon Gerecht
- Department of Chemical and Biomolecular Engineering, The Institute for NanoBioTechnology, Physical Sciences-Oncology Center, Johns Hopkins University, Baltimore, MD 21218, USA; Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA; Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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Induced Pluripotent Stem Cells (iPSCs) in Vascular Research: from Two- to Three-Dimensional Organoids. Stem Cell Rev Rep 2021; 17:1741-1753. [PMID: 33738695 PMCID: PMC7972819 DOI: 10.1007/s12015-021-10149-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2021] [Indexed: 01/19/2023]
Abstract
Stem cell technology has been around for almost 30 years and in that time has grown into an enormous field. The stem cell technique progressed from the first successful isolation of mammalian embryonic stem cells (ESCs) in the 1990s, to the production of human induced-pluripotent stem cells (iPSCs) in the early 2000s, to finally culminate in the differentiation of pluripotent cells into highly specialized cell types, such as neurons, endothelial cells (ECs), cardiomyocytes, fibroblasts, and lung and intestinal cells, in the last decades. In recent times, we have attained a new height in stem cell research whereby we can produce 3D organoids derived from stem cells that more accurately mimic the in vivo environment. This review summarizes the development of stem cell research in the context of vascular research ranging from differentiation techniques of ECs and smooth muscle cells (SMCs) to the generation of vascularized 3D organoids. Furthermore, the different techniques are critically reviewed, and future applications of current 3D models are reported.
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