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Yi P, Chen S, Zhao Y, Ku W, Lu H, Yu D, Zhao W. An injectable dental pulp-derived decellularized matrix hydrogel promotes dentin repair through modulation of macrophage response. BIOMATERIALS ADVANCES 2024; 161:213883. [PMID: 38762928 DOI: 10.1016/j.bioadv.2024.213883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/27/2024] [Accepted: 04/26/2024] [Indexed: 05/21/2024]
Abstract
Maintaining the viability of damaged pulp is critical in clinical dentistry. Pulp capping, by placing dental material over the exposed pulp, is a main approach to promote pulp-dentin healing and mineralized tissue formation. The dental materials are desired to impact on intricate physiological mechanisms in the healing process, including early regulation of inflammation, immunity, and cellular events. In this study, we developed an injectable dental pulp-derived decellularized matrix (DPM) hydrogel to modulate macrophage responses and promote dentin repair. The DPM derived from porcine dental pulp has high collagen retention and low DNA content. The DPM was solubilized by pepsin digestion (named p-DPM) and subsequently injected through a 25G needle to form hydrogel facilely at 37 °C. In vitro results demonstrated that the p-DPM induced the M2-polarization of macrophages and the migration, proliferation, and dentin differentiation of human dental pulp stem cells from deciduous teeth (SHEDs). In a mouse subcutaneous injection test, the p-DPM hydrogel was found to facilitate cell recruitment and M2 polarization during the early phase of implantation. Additionally, the acute pulp restoration in rat models proved that injectable p-DPM hydrogel as a pulp-capping agent had excellent efficacy in dentin regeneration. This study demonstrates that the DPM promotes dentin repair by modulating macrophage responses, and has a potential for pulp-capping applications in dental practice.
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Affiliation(s)
- Ping Yi
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Sixue Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Yifan Zhao
- Changsha Medical University, Changsha, Hunan, China
| | - Weili Ku
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Hui Lu
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Dongsheng Yu
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China.
| | - Wei Zhao
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China.
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Poulis N, Martin M, Hoerstrup SP, Emmert MY, Fioretta ES. Development of an iPSC-derived tissue-resident macrophage-based platform for the in vitro immunocompatibility assessment of human tissue engineered matrices. Sci Rep 2024; 14:12171. [PMID: 38806547 PMCID: PMC11133401 DOI: 10.1038/s41598-024-62745-1] [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: 02/05/2024] [Accepted: 05/21/2024] [Indexed: 05/30/2024] Open
Abstract
Upon implanting tissue-engineered heart valves (TEHVs), blood-derived macrophages are believed to orchestrate the remodeling process. They initiate the immune response and mediate the remodeling of the TEHV, essential for the valve's functionality. The exact role of another macrophage type, the tissue-resident macrophages (TRMs), has not been yet elucidated even though they maintain the homeostasis of native tissues. Here, we characterized the response of hTRM-like cells in contact with a human tissue engineered matrix (hTEM). HTEMs comprised intracellular peptides with potentially immunogenic properties in their ECM proteome. Human iPSC-derived macrophages (iMφs) could represent hTRM-like cells in vitro and circumvent the scarcity of human donor material. iMφs were derived and after stimulation they demonstrated polarization towards non-/inflammatory states. Next, they responded with increased IL-6/IL-1β secretion in separate 3/7-day cultures with longer production-time-hTEMs. We demonstrated that iMφs are a potential model for TRM-like cells for the assessment of hTEM immunocompatibility. They adopt distinct pro- and anti-inflammatory phenotypes, and both IL-6 and IL-1β secretion depends on hTEM composition. IL-6 provided the highest sensitivity to measure iMφs pro-inflammatory response. This platform could facilitate the in vitro immunocompatibility assessment of hTEMs and thereby showcase a potential way to achieve safer clinical translation of TEHVs.
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Affiliation(s)
- Nikolaos Poulis
- Institute for Regenerative Medicine (IREM), University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - Marcy Martin
- Institute for Regenerative Medicine (IREM), University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - Simon P Hoerstrup
- Institute for Regenerative Medicine (IREM), University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
- Wyss Zurich, University and ETH Zurich, Zurich, Switzerland
| | - Maximilian Y Emmert
- Institute for Regenerative Medicine (IREM), University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland.
- Wyss Zurich, University and ETH Zurich, Zurich, Switzerland.
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany.
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
- Institut für Regenerative Medizin (IREM), University of Zurich, Moussonstrasse 13, 8044, Zurich, Switzerland.
| | - Emanuela S Fioretta
- Institute for Regenerative Medicine (IREM), University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
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Wang W, Ren X, Chen X, Hong Q, Cai G. Integrin β1-rich extracellular vesicles of kidney recruit Fn1+ macrophages to aggravate ischemia-reperfusion-induced inflammation. JCI Insight 2024; 9:e169885. [PMID: 38258908 PMCID: PMC10906229 DOI: 10.1172/jci.insight.169885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 12/05/2023] [Indexed: 01/24/2024] Open
Abstract
Ischemia-reperfusion injury-induced (IRI-induced) acute kidney injury is accompanied by mononuclear phagocyte (MP) invasion and inflammation. However, systematic analysis of extracellular vesicle-carried (EV-carried) proteins mediating intercellular crosstalk in the IRI microenvironment is still lacking. Multiomics analysis combining single-cell RNA-Seq data of kidney and protein profiling of kidney-EV was used to elucidate the intercellular communication between proximal tubular cells (PTs) and MP. Targeted adhesion and migration of various MPs were caused by the secretion of multiple chemokines as well as integrin β1-rich EV by ischemic-damaged PTs after IRI. These recruited MPs, especially Fn1+ macrophagocyte, amplified the surviving PT's inflammatory response by secreting the inflammatory factors TNF-α, MCP-1, and thrombospondin 1 (THBS-1), which could interact with integrin β1 to promote more MP adhesion and interact with surviving PT to further promote the secretion of IL-1β. However, GW4869 reduced MP infiltration and maintained a moderate inflammatory level likely by blocking EV secretion. Our findings establish the molecular bases by which chemokines and kidney-EV mediate PT-MP crosstalk in early IRI and provide insights into systematic intercellular communication.
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Affiliation(s)
- Wenjuan Wang
- School of Medicine, Nankai University, Tianjin, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
| | - Xuejing Ren
- Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Henan Key Laboratory of Kidney Disease and Immunology, Zhengzhou, Henan, China
| | - Xiangmei Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
| | - Quan Hong
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
| | - Guangyan Cai
- School of Medicine, Nankai University, Tianjin, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
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Yacoub MH, Tseng YT, Kluin J, Vis A, Stock U, Smail H, Sarathchandra P, Aikawa E, El-Nashar H, Chester AH, Shehata N, Nagy M, El-Sawy A, Li W, Burriesci G, Salmonsmith J, Romeih S, Latif N. Valvulogenesis of a living, innervated pulmonary root induced by an acellular scaffold. Commun Biol 2023; 6:1017. [PMID: 37805576 PMCID: PMC10560219 DOI: 10.1038/s42003-023-05383-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: 12/13/2022] [Accepted: 09/21/2023] [Indexed: 10/09/2023] Open
Abstract
Heart valve disease is a major cause of mortality and morbidity worldwide with no effective medical therapy and no ideal valve substitute emulating the extremely sophisticated functions of a living heart valve. These functions influence survival and quality of life. This has stimulated extensive attempts at tissue engineering "living" heart valves. These attempts utilised combinations of allogeneic/ autologous cells and biological scaffolds with practical, regulatory, and ethical issues. In situ regeneration depends on scaffolds that attract, house and instruct cells and promote connective tissue formation. We describe a surgical, tissue-engineered, anatomically precise, novel off-the-shelf, acellular, synthetic scaffold inducing a rapid process of morphogenesis involving relevant cell types, extracellular matrix, regulatory elements including nerves and humoral components. This process relies on specific material characteristics, design and "morphodynamism".
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Affiliation(s)
- Magdi H Yacoub
- Magdi Yacoub Institute, Harefield, UK.
- National Heart and Lung Institute, Imperial College London, London, UK.
- Aswan Heart Science Center, Magdi Yacoub Foundation, Aswan, Egypt.
| | - Yuan-Tsan Tseng
- Magdi Yacoub Institute, Harefield, UK
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Jolanda Kluin
- Department of Cardiothoracic Surgery, Erasmus MC, Rotterdam, The Netherlands
| | - Annemijn Vis
- Amsterdam UMC, University of Amsterdam, Department of Cardiothoracic Surgery, Amsterdam, The Netherlands
| | - Ulrich Stock
- National Heart and Lung Institute, Imperial College London, London, UK
- Royal Brompton and Harefield Hospital, London, UK
| | | | - Padmini Sarathchandra
- Magdi Yacoub Institute, Harefield, UK
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Elena Aikawa
- Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
| | - Hussam El-Nashar
- Aswan Heart Science Center, Magdi Yacoub Foundation, Aswan, Egypt
- Department of Bioengineering, Imperial College London, London, UK
| | - Adrian H Chester
- Magdi Yacoub Institute, Harefield, UK
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Nairouz Shehata
- Aswan Heart Science Center, Magdi Yacoub Foundation, Aswan, Egypt
- Department of Computing, Imperial College London, London, UK
| | - Mohamed Nagy
- Aswan Heart Science Center, Magdi Yacoub Foundation, Aswan, Egypt
| | - Amr El-Sawy
- Aswan Heart Science Center, Magdi Yacoub Foundation, Aswan, Egypt
| | - Wei Li
- Royal Brompton and Harefield Hospital, London, UK
| | - Gaetano Burriesci
- Cardiovascular Engineering Laboratory, UCL Mechanical Engineering, University College London, London, UK
- Bioengineering Unit, Ri.MED Foundation, Palermo, Italy
| | - Jacob Salmonsmith
- Cardiovascular Engineering Laboratory, UCL Mechanical Engineering, University College London, London, UK
| | - Soha Romeih
- Aswan Heart Science Center, Magdi Yacoub Foundation, Aswan, Egypt
| | - Najma Latif
- Magdi Yacoub Institute, Harefield, UK
- National Heart and Lung Institute, Imperial College London, London, UK
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Anousakis-Vlachochristou N, Athanasiadou D, Carneiro KM, Toutouzas K. Focusing on the Native Matrix Proteins in Calcific Aortic Valve Stenosis. JACC Basic Transl Sci 2023; 8:1028-1039. [PMID: 37719438 PMCID: PMC10504402 DOI: 10.1016/j.jacbts.2023.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 09/19/2023]
Abstract
Calcific aortic valve stenosis (CAVS) is a widespread valvular heart disease affecting people in aging societies, primarily characterized by fibrosis, inflammation, and progressive calcification, leading to valve orifice stenosis. Understanding the factors associated with CAVS onset and progression is crucial to develop effective future pharmaceutical therapies. In CAVS, native extracellular matrix proteins modifications, play a significant role in calcification in vitro and in vivo. This work aimed to review the evidence on the alterations of structural native extracellular matrix proteins involved in calcification development during CAVS and highlight its link to deregulated biomechanical function.
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Affiliation(s)
| | | | - Karina M.M. Carneiro
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Konstantinos Toutouzas
- National and Kapodistrian University of Athens, Medical School, First Department of Cardiology, Athens, Greece
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Cardiovascular Protection with a Long-Acting GLP-1 Receptor Agonist Liraglutide: An Experimental Update. Molecules 2023; 28:molecules28031369. [PMID: 36771035 PMCID: PMC9921762 DOI: 10.3390/molecules28031369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/28/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
Angiotensin II (Ang II), a peptide hormone generated as part of the renin-angiotensin system, has been implicated in the pathophysiology of many cardiovascular diseases such as peripheral artery disease, heart failure, hypertension, coronary artery disease and other conditions. Liraglutide, known as an incretin mimetic, is one of the glucagon-like peptide-1 (GLP-1) receptor agonists, and has been proven to be effective in the treatment of cardiovascular disorders beyond adequate glycemic control. The objective of this review is to compile our recent experimental outcomes-based studies, and provide an overview the cardiovascular protection from liraglutide against Ang II- and pressure overload-mediated deleterious effects on the heart. In particular, the mechanisms of action underlying the inhibition of oxidative stress, vascular endothelial dysfunction, hypertension, cardiac fibrosis, left ventricular hypertrophy and heart failure with liraglutide are addressed. Thus, we support the notion that liraglutide continues to be a useful add-on therapy for the management of cardiovascular diseases.
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Albert BJ, Butcher JT. Future prospects in the tissue engineering of heart valves: a focus on the role of stem cells. Expert Opin Biol Ther 2023; 23:553-564. [PMID: 37171790 PMCID: PMC10461076 DOI: 10.1080/14712598.2023.2214313] [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: 02/02/2023] [Accepted: 05/11/2023] [Indexed: 05/13/2023]
Abstract
INTRODUCTION Heart valve disease is a growing burden on the healthcare system. Current solutions are insufficient for young patients and do not offer relief from reintervention. Tissue engineered heart valves (TEHVs) offer a solution that grows and responds to the native environment in a similar way to a healthy valve. Stem cells hold potential to populate these valves as a malleable source that can adapt to environmental cues. AREAS COVERED This review covers current methods of recapitulating features of native heart valves with tissue engineering through use of stem cell populations with in situ and in vitro methods. EXPERT OPINION In the field of TEHVs, we see a variety of approaches in cell source, biomaterial, and maturation methods. Choosing appropriate cell populations may be very patient specific; consistency and predictability will be key to long-term success. In situ methods are closer to translation but struggle with consistent cellularization. In vitro culture requires specialized methods but may recapitulate native valve cell populations with higher fidelity. Understanding how cell populations react to valve conditions and immune response is vital for success. Detrimental valve pathologies have proven to be difficult to avoid in early translation attempts.
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Affiliation(s)
- Benjamin J Albert
- Cornell University, Meinig School of Biomedical Engineering, Ithaca, NY, USA
| | - Jonathan T Butcher
- Cornell University, Meinig School of Biomedical Engineering, Ithaca, NY, USA
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