1
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Christoffers S, Seiler L, Wiebe E, Blume C. Possibilities and efficiency of MSC co-transfection for gene therapy. Stem Cell Res Ther 2024; 15:150. [PMID: 38783353 PMCID: PMC11119386 DOI: 10.1186/s13287-024-03757-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024] Open
Abstract
Mesenchymal stem/stromal cells (MSCs) are not only capable of self-renewal, trans-differentiation, homing to damaged tissue sites and immunomodulation by secretion of trophic factors but are also easy to isolate and expand. Because of these characteristics, they are used in numerous clinical trials for cell therapy including immune and neurological disorders, diabetes, bone and cartilage diseases and myocardial infarction. However, not all trials have successful outcomes, due to unfavourable microenvironmental factors and the heterogenous nature of MSCs. Therefore, genetic manipulation of MSCs can increase their prospect. Currently, most studies focus on single transfection with one gene. Even though the introduction of more than one gene increases the complexity, it also increases the effectivity as different mechanism are triggered, leading to a synergistic effect. In this review we focus on the methodology and efficiency of co-transfection, as well as the opportunities and pitfalls of these genetically engineered cells for therapy.
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Affiliation(s)
- Sina Christoffers
- Institute for Technical Chemistry, Leibniz University Hannover, Callinstr. 3-5, 30167, Hannover, Germany.
- Cluster of Excellence Hearing4all, Hannover, Germany.
| | - Lisa Seiler
- Institute for Technical Chemistry, Leibniz University Hannover, Callinstr. 3-5, 30167, Hannover, Germany
| | - Elena Wiebe
- Institute for Technical Chemistry, Leibniz University Hannover, Callinstr. 3-5, 30167, Hannover, Germany
- Cluster of Excellence Hearing4all, Hannover, Germany
| | - Cornelia Blume
- Institute for Technical Chemistry, Leibniz University Hannover, Callinstr. 3-5, 30167, Hannover, Germany
- Cluster of Excellence Hearing4all, Hannover, Germany
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2
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Ma C, Zhang Y, Cao Y, Hu CH, Zheng CX, Jin Y, Sui BD. Autonomic neural regulation in mediating the brain-bone axis: mechanisms and implications for regeneration under psychological stress. QJM 2024; 117:95-108. [PMID: 37252831 DOI: 10.1093/qjmed/hcad108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Indexed: 06/01/2023] Open
Abstract
Efficient regeneration of bone defects caused by disease or significant trauma is a major challenge in current medicine, which is particularly difficult yet significant under the emerging psychological stress in the modern society. Notably, the brain-bone axis has been proposed as a prominent new concept in recent years, among which autonomic nerves act as an essential and emerging skeletal pathophysiological factor related to psychological stress. Studies have established that sympathetic cues lead to impairment of bone homeostasis mainly through acting on mesenchymal stem cells (MSCs) and their derivatives with also affecting the hematopoietic stem cell (HSC)-lineage osteoclasts, and the autonomic neural regulation of stem cell lineages in bone is increasingly recognized to contribute to the bone degenerative disease, osteoporosis. This review summarizes the distribution characteristics of autonomic nerves in bone, introduces the regulatory effects and mechanisms of autonomic nerves on MSC and HSC lineages, and expounds the crucial role of autonomic neural regulation on bone physiology and pathology, which acts as a bridge between the brain and the bone. With the translational perspective, we further highlight the autonomic neural basis of psychological stress-induced bone loss and a series of pharmaceutical therapeutic strategies and implications toward bone regeneration. The summary of research progress in this field will add knowledge to the current landscape of inter-organ crosstalk and provide a medicinal basis for the achievement of clinical bone regeneration in the future.
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Affiliation(s)
- C Ma
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Y Zhang
- Department of Medical Rehabilitation, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Y Cao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
- Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - C-H Hu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
- Xi'an Institute of Tissue Engineering and Regenerative Medicine, Xi'an, Shaanxi 710032, China
| | - C-X Zheng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Y Jin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
- Xi'an Institute of Tissue Engineering and Regenerative Medicine, Xi'an, Shaanxi 710032, China
| | - B-D Sui
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, China
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3
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Wang X, Liang Q, Luo Y, Ye J, Yu Y, Chen F. Engineering the next generation of theranostic biomaterials with synthetic biology. Bioact Mater 2024; 32:514-529. [PMID: 38026437 PMCID: PMC10660023 DOI: 10.1016/j.bioactmat.2023.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/06/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Biomaterials have evolved from inert materials to responsive entities, playing a crucial role in disease diagnosis, treatment, and modeling. However, their advancement is hindered by limitations in chemical and mechanical approaches. Synthetic biology enabling the genetically reprograming of biological systems offers a new paradigm. It has achieved remarkable progresses in cell reprogramming, engineering designer cells for diverse applications. Synthetic biology also encompasses cell-free systems and rational design of biological molecules. This review focuses on the application of synthetic biology in theranostics, which boost rapid development of advanced biomaterials. We introduce key fundamental concepts of synthetic biology and highlight frontier applications thereof, aiming to explore the intersection of synthetic biology and biomaterials. This integration holds tremendous promise for advancing biomaterial engineering with programable complex functions.
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Affiliation(s)
- Xiang Wang
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Qianyi Liang
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yixuan Luo
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Jianwen Ye
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Yin Yu
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Fei Chen
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
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4
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Du Y, Zhong H, Yu C, Lv Y, Yao Y, Peng Z, Lu S. Mir-142-5p inhibits the osteogenic differentiation of bone marrow mesenchymal stem cells by targeting Lhx8. Heliyon 2023; 9:e19878. [PMID: 37809754 PMCID: PMC10559276 DOI: 10.1016/j.heliyon.2023.e19878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Osteoporosis (OP), a common systemic bone metabolism disease with a high incidence rate, is a serious health risk factor. Osteogenic differentiation balance is regulated by bone marrow mesenchymal stem cells (BMSCs) and plays a key role in OP occurrence and progression. Although, LIM homeobox 8 (Lhx8) has been identified to affect BMSCs osteogenic differentiation, its roles in OP and the associated mechanism remains unclear. Here, we aimed to elucidate the role and mechanism of Lhx8 in the osteogenic differentiation of BMSCs. BMSCs isolated from wild type and OP Sprague-Dawley rats were cultured and confirmed via flow cytometry and microscopy. Based on dual-luciferase reporter assay, BMSCs were transfected with miR-142-5p mimics and miR-NC (negative control). Real-time quantitative reverse transcription polymerase chain reaction and Western blot analyses were performed to determine the role of Lhx8 in BMSCs osteogenic differentiation. Lhx8 expression was significantly reduced in OP, whereas that of miR-142-5p, a possible Lhx8 regulator, was significantly upregulated. Dual-luciferase reporter assay demonstrated that miR-142-5p exerted a direct targeted regulatory effect on Lhx8. Moreover, miR-142-5p mimics significantly inhibited BMSCs osteogenic differentiation as well as Lhx8 expression in vitro, indicating that miR-142-5p may be involved in BMSCs osteogenic differentiation via Lhx8 expression regulation and may serve as a potential diagnostic target for OP. Overall, these findings indicated that miR-142-5p inhibits BMSCs osteogenic differentiation by suppressing Lhx8. These may serve as a foundation for further studies on OP treatment based on miR-142-5p targeting.
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Affiliation(s)
- Yongjun Du
- Orthopaedics Department, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, The Key Laboratory of Digital Orthopaedics of Yunnan Provincial, Yunnan Provincial Center for Clinical Medicine in Spinal and Spinal Cord Disorders, Kunming, 650034, China
- Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Hui Zhong
- Orthopaedics Department, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, The Key Laboratory of Digital Orthopaedics of Yunnan Provincial, Yunnan Provincial Center for Clinical Medicine in Spinal and Spinal Cord Disorders, Kunming, 650034, China
| | - Chen Yu
- Orthopaedics Department, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, The Key Laboratory of Digital Orthopaedics of Yunnan Provincial, Yunnan Provincial Center for Clinical Medicine in Spinal and Spinal Cord Disorders, Kunming, 650034, China
| | - Yan Lv
- Orthopaedics Department, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, The Key Laboratory of Digital Orthopaedics of Yunnan Provincial, Yunnan Provincial Center for Clinical Medicine in Spinal and Spinal Cord Disorders, Kunming, 650034, China
- Faculty of Life science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Yueyi Yao
- Science and Technology Achievement Incubation Center, Kunming Medical University, 1168 Chunrongxi Road, Kunming, Yunnan 650500, China
| | - Zhi Peng
- Orthopaedics Department, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, The Key Laboratory of Digital Orthopaedics of Yunnan Provincial, Yunnan Provincial Center for Clinical Medicine in Spinal and Spinal Cord Disorders, Kunming, 650034, China
| | - Sheng Lu
- Orthopaedics Department, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, The Key Laboratory of Digital Orthopaedics of Yunnan Provincial, Yunnan Provincial Center for Clinical Medicine in Spinal and Spinal Cord Disorders, Kunming, 650034, China
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5
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Fan H, Barnes C, Hwang H, Zhang K, Yang J. Precise modulation of embryonic development through optogenetics. Genesis 2022; 60:e23505. [PMID: 36478118 PMCID: PMC9847014 DOI: 10.1002/dvg.23505] [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: 09/06/2022] [Revised: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 12/12/2022]
Abstract
The past decade has witnessed enormous progress in optogenetics, which uses photo-sensitive proteins to control signal transduction in live cells and animals. The ever-increasing amount of optogenetic tools, however, could overwhelm the selection of appropriate optogenetic strategies. In this work, we summarize recent progress in this emerging field and highlight the application of opsin-free optogenetics in studying embryonic development, focusing on new insights gained into optical induction of morphogenesis, cell polarity, cell fate determination, tissue differentiation, neuronal regeneration, synaptic plasticity, and removal of cells during development.
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Affiliation(s)
- Huaxun Fan
- Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Collin Barnes
- Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Hyojeong Hwang
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, IL 61802, USA
| | - Kai Zhang
- Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA,Authors for correspondence: Kai Zhang, Ph.D., , 600 South Mathews Avenue, 314 B Roger Adams Laboratory,Urbana, Illinois 61801, USA, Phone: 1-217-300-0582; Jing Yang, Ph.D., , 2001 S Lincoln Ave, VMBSB3411, Urbana, Illinois 61802, USA, Phone: 1-217-333-6825
| | - Jing Yang
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, IL 61802, USA,Authors for correspondence: Kai Zhang, Ph.D., , 600 South Mathews Avenue, 314 B Roger Adams Laboratory,Urbana, Illinois 61801, USA, Phone: 1-217-300-0582; Jing Yang, Ph.D., , 2001 S Lincoln Ave, VMBSB3411, Urbana, Illinois 61802, USA, Phone: 1-217-333-6825
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6
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Neghab HK, Djavid GE, Azadeh SS, Soheilifar MH. Osteogenic Differentiation of Menstrual Blood-Derived Stem Cells by Optogenetics. J Med Biol Eng 2022. [DOI: 10.1007/s40846-022-00714-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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7
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Ferreira MJS, Mancini FE, Humphreys PA, Ogene L, Buckley M, Domingos MAN, Kimber SJ. Pluripotent stem cells for skeletal tissue engineering. Crit Rev Biotechnol 2022; 42:774-793. [PMID: 34488516 DOI: 10.1080/07388551.2021.1968785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Here, we review the use of human pluripotent stem cells for skeletal tissue engineering. A number of approaches have been used for generating cartilage and bone from both human embryonic stem cells and induced pluripotent stem cells. These range from protocols relying on intrinsic cell interactions and signals from co-cultured cells to those attempting to recapitulate the series of steps occurring during mammalian skeletal development. The importance of generating authentic tissues rather than just differentiated cells is emphasized and enabling technologies for doing this are reported. We also review the different methods for characterization of skeletal cells and constructs at the tissue and single-cell level, and indicate newer resources not yet fully utilized in this field. There have been many challenges in this research area but the technologies to overcome these are beginning to appear, often adopted from related fields. This makes it more likely that cost-effective and efficacious human pluripotent stem cell-engineered constructs may become available for skeletal repair in the near future.
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Affiliation(s)
- Miguel J S Ferreira
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester, UK
| | - Fabrizio E Mancini
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Paul A Humphreys
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester, UK
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Leona Ogene
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Michael Buckley
- Manchester Institute of Biotechnology, The University of Manchester, Manchester, UK
| | - Marco A N Domingos
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester, UK
| | - Susan J Kimber
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
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8
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Abstract
The successful transplantation of stem cells has the potential to transform regenerative medicine approaches and open promising avenues to repair, replace, and regenerate diseased, damaged, or aged tissues. However, pre-/post-transplantation issues of poor cell survival, retention, cell fate regulation, and insufficient integration with host tissues constitute significant challenges. The success of stem cell transplantation depends upon the coordinated sequence of stem cell renewal, specific lineage differentiation, assembly, and maintenance of long-term function. Advances in biomaterials can improve pre-/post-transplantation outcomes by integrating biophysiochemical cues and emulating tissue microenvironments. This review highlights leading biomaterials-based approaches for enhancing stem cell transplantation.
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Affiliation(s)
- Bhushan N Kharbikar
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Priya Mohindra
- UC Berkeley-UCSF Graduate Program in Bioengineering, San Francisco, CA 94158, USA
| | - Tejal A Desai
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA 94158, USA; UC Berkeley-UCSF Graduate Program in Bioengineering, San Francisco, CA 94158, USA; Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA; School of Engineering, Brown University, Providence, RI, 02912, USA.
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9
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Kneuttinger AC. A guide to designing photocontrol in proteins: methods, strategies and applications. Biol Chem 2022; 403:573-613. [PMID: 35355495 DOI: 10.1515/hsz-2021-0417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 03/08/2022] [Indexed: 12/20/2022]
Abstract
Light is essential for various biochemical processes in all domains of life. In its presence certain proteins inside a cell are excited, which either stimulates or inhibits subsequent cellular processes. The artificial photocontrol of specifically proteins is of growing interest for the investigation of scientific questions on the organismal, cellular and molecular level as well as for the development of medicinal drugs or biocatalytic tools. For the targeted design of photocontrol in proteins, three major methods have been developed over the last decades, which employ either chemical engineering of small-molecule photosensitive effectors (photopharmacology), incorporation of photoactive non-canonical amino acids by genetic code expansion (photoxenoprotein engineering), or fusion with photoreactive biological modules (hybrid protein optogenetics). This review compares the different methods as well as their strategies and current applications for the light-regulation of proteins and provides background information useful for the implementation of each technique.
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Affiliation(s)
- Andrea C Kneuttinger
- Institute of Biophysics and Physical Biochemistry and Regensburg Center for Biochemistry, University of Regensburg, D-93040 Regensburg, Germany
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10
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Wu J, Vunjak-Novakovic G. Bioengineering human cartilage-bone tissues for modeling of osteoarthritis. Stem Cells Dev 2022; 31:399-405. [PMID: 35088600 PMCID: PMC9398485 DOI: 10.1089/scd.2021.0317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Osteoarthritis (OA) is the most common joint disease worldwide, yet we continue to lack an understanding of disease etiology and pathology, and effective treatment options. Essential to tissue homeostasis, disease pathogenesis, and therapeutic responses are the stratified organization of cartilage and the crosstalk at the osteochondral junction. Animal models may capture some of these features, but to establish clinically consistent therapeutics, there remains a need for high-fidelity models of OA that meet all the above requirements in a human, patient-specific manner. In vitro bioengineered cartilage-bone tissue models could be developed to recapitulate physiological interactions with human cells and disease initiating factors. Here we highlight human induced pluripotent stem cells (hiPSCs) as the advantageous cell source for these models and review approaches for chondrogenic fate specification from hiPSCs. To achieve native-like stratified cartilage organization with cartilage-bone interactions, spatiotemporal cues mimicking development can be delivered to engineered tissues by patterning of the cells, scaffold, and the environment. Once healthy and native-like cartilage-bone tissues are established, an OA-like state can be induced via cytokine challenge or injurious loading. Bioengineered cartilage-bone tissues fall short of recapitulating the full complexity of native tissues, but have demonstrated utility in elucidating some mechanisms of OA progression and enabled screening of candidate therapeutics in patient-specific models. With rapid progress in stem cells, tissue engineering, imaging, and high throughput -omics research in recent years, we propose that advanced human tissue models will soon offer valuable contributions to our understanding and treatment of OA.
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Affiliation(s)
- Josephine Wu
- Columbia University, 5798, Biomedical Engineering, New York, New York, United States;
| | - Gordana Vunjak-Novakovic
- Columbia University, 5798, Biomedical Engineering, 622 west 168th St, VC12-234, New York, New York, United States, 10032;
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11
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Wichert N, Witt M, Blume C, Scheper T. Clinical applicability of optogenetic gene regulation. Biotechnol Bioeng 2021; 118:4168-4185. [PMID: 34287844 DOI: 10.1002/bit.27895] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 05/27/2021] [Accepted: 07/13/2021] [Indexed: 11/10/2022]
Abstract
The field of optogenetics is rapidly growing in relevance and number of developed tools. Among other things, the optogenetic repertoire includes light-responsive ion channels and methods for gene regulation. This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications. Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches. Well-known systems for gene regulation, such as the LOV-, CRY2/CIB-, PhyB/PIF-systems, as well as other, in mammalian cells not yet fully established systems, will be described. Advantages and disadvantages with regard to clinical applications are outlined in detail. Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
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Affiliation(s)
- Nina Wichert
- Insitute of Technical Chemistry, Leibniz University of Hannover, Hannover, Germany
| | - Martin Witt
- Insitute of Technical Chemistry, Leibniz University of Hannover, Hannover, Germany
| | - Cornelia Blume
- Insitute of Technical Chemistry, Leibniz University of Hannover, Hannover, Germany
| | - Thomas Scheper
- Insitute of Technical Chemistry, Leibniz University of Hannover, Hannover, Germany
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12
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Huang D, Li R, Ren J, Luo H, Wang W, Zhou C. Temporal induction of Lhx8 by optogenetic control system for efficient bone regeneration. Stem Cell Res Ther 2021; 12:339. [PMID: 34112263 PMCID: PMC8194135 DOI: 10.1186/s13287-021-02412-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The spatiotemporal regulation of essential genes is crucial for controlling the growth and differentiation of cells in a precise manner during regeneration. Recently, optogenetics was considered as a potent technology for sophisticated regulation of target genes, which might be a promising tool for regenerative medicine. In this study, we used an optogenetic control system to precisely regulate the expression of Lhx8 to promote efficient bone regeneration. METHODS Quantitative real-time PCR and western blotting were used to detect the expression of Lhx8 and osteogenic marker genes. Alkaline phosphatase staining and alizarin red staining were used to detect alkaline phosphatase activity and calcium nodules. A customized optogenetic expression system was constructed to regulate Lhx8, of which the expression was activated in blue light but not in dark. We also used a critical calvarial defect model for the analysis of bone regeneration in vivo. Moreover, micro-computed tomography (micro-CT), three-dimensional reconstruction, quantitative bone measurement, and histological and immunohistochemistry analysis were performed to investigate the formation of new bone in vivo. RESULTS During the osteogenic differentiation of BMSCs, the expression levels of Lhx8 increased initially but then decreased thereafter. Lhx8 promoted the early proliferation of BMSCs but inhibited subsequent osteogenic differentiation. The optogenetic activation of Lhx8 in BMSCs in the early stages of differentiation by blue light stimulation led to a significant increase in cell proliferation, thus allowing a sufficient number of differentiating BMSCs to enter the later osteogenic differentiation stage. Analysis of the critical calvarial defect model revealed that the pulsed optogenetic activation of Lhx8 in transplanted BMSCs over a 5-day period led to a significant increase in the generation of bone in vivo. CONCLUSIONS Lhx8 plays a critical role in balancing proliferation and osteogenic differentiation in BMSCs. The optogenetic activation of Lhx8 expression at early stage of BMSCs differentiation led to better osteogenesis, which would be a promising strategy for precise bone regeneration.
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Affiliation(s)
- Delan Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, 56 Lingyuanxi Road, Guangzhou, 510055, China
| | - Runze Li
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, 56 Lingyuanxi Road, Guangzhou, 510055, China
| | - Jianhan Ren
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, 56 Lingyuanxi Road, Guangzhou, 510055, China
| | - Haotian Luo
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, 56 Lingyuanxi Road, Guangzhou, 510055, China
| | - Weicai Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, 56 Lingyuanxi Road, Guangzhou, 510055, China.
| | - Chen Zhou
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, 56 Lingyuanxi Road, Guangzhou, 510055, China.
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13
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Oh TJ, Fan H, Skeeters SS, Zhang K. Steering Molecular Activity with Optogenetics: Recent Advances and Perspectives. Adv Biol (Weinh) 2021; 5:e2000180. [PMID: 34028216 PMCID: PMC8218620 DOI: 10.1002/adbi.202000180] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 12/14/2020] [Indexed: 12/24/2022]
Abstract
Optogenetics utilizes photosensitive proteins to manipulate the localization and interaction of molecules in living cells. Because light can be rapidly switched and conveniently confined to the sub-micrometer scale, optogenetics allows for controlling cellular events with an unprecedented resolution in time and space. The past decade has witnessed an enormous progress in the field of optogenetics within the biological sciences. The ever-increasing amount of optogenetic tools, however, can overwhelm the selection of appropriate optogenetic strategies. Considering that each optogenetic tool may have a distinct mode of action, a comparative analysis of the current optogenetic toolbox can promote the further use of optogenetics, especially by researchers new to this field. This review provides such a compilation that highlights the spatiotemporal accuracy of current optogenetic systems. Recent advances of optogenetics in live cells and animal models are summarized, the emerging work that interlinks optogenetics with other research fields is presented, and exciting clinical and industrial efforts to employ optogenetic strategy toward disease intervention are reported.
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Affiliation(s)
- Teak-Jung Oh
- 600 South Mathews Avenue, 314 B Roger Adams Laboratory, Urbana, IL, 61801, USA
| | - Huaxun Fan
- 600 South Mathews Avenue, 314 B Roger Adams Laboratory, Urbana, IL, 61801, USA
| | - Savanna S Skeeters
- 600 South Mathews Avenue, 314 B Roger Adams Laboratory, Urbana, IL, 61801, USA
| | - Kai Zhang
- 600 South Mathews Avenue, 314 B Roger Adams Laboratory, Urbana, IL, 61801, USA
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14
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Migliorini E, Guevara-Garcia A, Albiges-Rizo C, Picart C. Learning from BMPs and their biophysical extracellular matrix microenvironment for biomaterial design. Bone 2020; 141:115540. [PMID: 32730925 PMCID: PMC7614069 DOI: 10.1016/j.bone.2020.115540] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 01/19/2023]
Abstract
It is nowadays well-accepted that the extracellular matrix (ECM) is not a simple reservoir for growth factors but is an organization center of their biological activity. In this review, we focus on the ability of the ECM to regulate the biological activity of BMPs. In particular, we survey the role of the ECM components, notably the glycosaminoglycans and fibrillary ECM proteins, which can be promoters or repressors of the biological activities mediated by the BMPs. We examine how a process called mechano-transduction induced by the ECM can affect BMP signaling, including BMP internalization by the cells. We also focus on the spatio-temporal regulation of the BMPs, including their release from the ECM, which enables to modulate their spatial localization as well as their local concentration. We highlight how biomaterials can recapitulate some aspects of the BMPs/ECM interactions and help to answer fundamental questions to reveal previously unknown molecular mechanisms. Finally, the design of new biomaterials inspired by the ECM to better present BMPs is discussed, and their use for a more efficient bone regeneration in vivo is also highlighted.
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Affiliation(s)
- Elisa Migliorini
- CNRS, Grenoble Institute of Technology, LMGP, UMR 5628, 3 Parvis Louis Néel, 38016 Grenoble, France; CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Biomimetism and Regenerative Medicine Lab, ERL 5000, Université Grenoble-Alpes (UGA)/CEA/CNRS, Grenoble France.
| | - Amaris Guevara-Garcia
- CNRS, Grenoble Institute of Technology, LMGP, UMR 5628, 3 Parvis Louis Néel, 38016 Grenoble, France; CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Biomimetism and Regenerative Medicine Lab, ERL 5000, Université Grenoble-Alpes (UGA)/CEA/CNRS, Grenoble France; Université Grenoble Alpes, Institut for Advances Biosciences, Institute Albert Bonniot, INSERM U1209, CNRS 5309, La Tronche, France
| | - Corinne Albiges-Rizo
- Université Grenoble Alpes, Institut for Advances Biosciences, Institute Albert Bonniot, INSERM U1209, CNRS 5309, La Tronche, France
| | - Catherine Picart
- CNRS, Grenoble Institute of Technology, LMGP, UMR 5628, 3 Parvis Louis Néel, 38016 Grenoble, France; CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Biomimetism and Regenerative Medicine Lab, ERL 5000, Université Grenoble-Alpes (UGA)/CEA/CNRS, Grenoble France.
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15
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Groeneveldt LC, Herpelinck T, Maréchal M, Politis C, van IJcken WFJ, Huylebroeck D, Geris L, Mulugeta E, Luyten FP. The Bone-Forming Properties of Periosteum-Derived Cells Differ Between Harvest Sites. Front Cell Dev Biol 2020; 8:554984. [PMID: 33324630 PMCID: PMC7723972 DOI: 10.3389/fcell.2020.554984] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 10/22/2020] [Indexed: 12/16/2022] Open
Abstract
The development of alternatives for autologous bone grafts is a major focus of bone tissue engineering. To produce living bone-forming implants, skeletal stem and progenitor cells (SSPCs) are envisioned as key ingredients. SSPCs can be obtained from different tissues including bone marrow, adipose tissue, dental pulp, and periosteum. Human periosteum-derived cells (hPDCs) exhibit progenitor cell characteristics and have well-documented in vivo bone formation potency. Here, we have characterized and compared hPDCs derived from tibia with craniofacial hPDCs, from maxilla and mandible, respectively, each representing a potential source for cell-based tissue engineered implants for craniofacial applications. Maxilla and mandible-derived hPDCs display similar growth curves as tibial hPDCs, with equal trilineage differentiation potential toward chondrogenic, osteogenic, and adipogenic cells. These craniofacial hPDCs are positive for SSPC-markers CD73, CD164, and Podoplanin (PDPN), and negative for CD146, hematopoietic and endothelial lineage markers. Bulk RNA-sequencing identified genes that are differentially expressed between the three sources of hPDC. In particular, differential expression was found for genes of the HOX and DLX family, for SOX9 and genes involved in skeletal system development. The in vivo bone formation, 8 weeks after ectopic implantation in nude mice, was observed in constructs seeded with tibial and mandibular hPDCs. Taken together, we provide evidence that hPDCs show different profiles and properties according to their anatomical origin, and that craniofacial hPDCs are potential sources for cell-based bone tissue engineering strategies. The mandible-derived hPDCs display - both in vitro and in vivo - chondrogenic and osteogenic differentiation potential, which supports their future testing for use in craniofacial bone regeneration applications.
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Affiliation(s)
- Lisanne C Groeneveldt
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium.,OMFS IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium.,Department of Cell Biology, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Tim Herpelinck
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
| | - Marina Maréchal
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
| | - Constantinus Politis
- OMFS IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Wilfred F J van IJcken
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam, Netherlands.,Center for Biomics, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Danny Huylebroeck
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam, Netherlands.,Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Liesbet Geris
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium.,Biomechanics Research Unit, GIGA-R In Silico Medicine, Université de Liége, Liège, Belgium.,Biomechanics Section, KU Leuven, Leuven, Belgium
| | - Eskeatnaf Mulugeta
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Frank P Luyten
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium.,Department of Development and Regeneration, KU Leuven, Leuven, Belgium
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