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Song C, Xu J, Gao C, Zhang W, Fang X, Shang Y. Nanomaterials targeting macrophages in sepsis: A promising approach for sepsis management. Front Immunol 2022; 13:1026173. [PMID: 36569932 PMCID: PMC9780679 DOI: 10.3389/fimmu.2022.1026173] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022] Open
Abstract
Sepsis is a life-threatening organ dysfunction resulting from dysregulated host responses to infection. Macrophages play significant roles in host against pathogens and the immunopathogenesis of sepsis, such as phagocytosis of pathogens, secretion of cytokines, and phenotype reprogramming. However, the rapid progression of sepsis impairs macrophage function, and conventional antimicrobial and supportive treatment are not sufficient to restore dysregulated macrophages roles. Nanoparticles own unique physicochemical properties, surface functions, localized surface plasmon resonance phenomenon, passive targeting in vivo, good biocompatibility and biodegradability, are accessible for biomedical applications. Once into the body, NPs are recognized by host immune system. Macrophages are phagocytes in innate immunity dedicated to the recognition of foreign substances, including nanoparticles, with which an immune response subsequently occurs. Various design strategies, such as surface functionalization, have been implemented to manipulate the recognition of nanoparticles by monocytes/macrophages, and engulfed by them to regulate their function in sepsis, compensating for the shortcomings of sepsis traditional methods. The review summarizes the mechanism of nanomaterials targeting macrophages and recent advances in nanomedicine targeting macrophages in sepsis, which provides good insight for exploring macrophage-based nano-management in sepsis.
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Chen Y, Sun W, Tang H, Li Y, Li C, Wang L, Chen J, Lin W, Li S, Fan Z, Cheng Y, Chen C. Interactions Between Immunomodulatory Biomaterials and Immune Microenvironment: Cues for Immunomodulation Strategies in Tissue Repair. Front Bioeng Biotechnol 2022; 10:820940. [PMID: 35646833 PMCID: PMC9140325 DOI: 10.3389/fbioe.2022.820940] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
The foreign body response (FBR) caused by biomaterials can essentially be understood as the interaction between the immune microenvironment and biomaterials, which has severely impeded the application of biomaterials in tissue repair. This concrete interaction occurs via cells and bioactive substances, such as proteins and nucleic acids. These cellular and molecular interactions provide important cues for determining which element to incorporate into immunomodulatory biomaterials (IMBs), and IMBs can thus be endowed with the ability to modulate the FBR and repair damaged tissue. In terms of cellular, IMBs are modified to modulate functions of immune cells, such as macrophages and mast cells. In terms of bioactive substances, proteins and nucleic acids are delivered to influence the immune microenvironment. Meanwhile, IMBs are designed with high affinity for spatial targets and the ability to self-adapt over time, which allows for more efficient and intelligent tissue repair. Hence, IMB may achieve the perfect functional integration in the host, representing a breakthrough in tissue repair and regeneration medicine.
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Affiliation(s)
- Yi Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Weiyan Sun
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Hai Tang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Yingze Li
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
- Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chen Li
- School of Materials Science and Engineering, Tongji University, Shanghai, China
| | - Long Wang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Jiafei Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Weikang Lin
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Shenghui Li
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Ziwen Fan
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Yu Cheng
- Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- The Institute for Biomedical Engineering and Nano Science, Tongji University School of Medicine, Shanghai, China
- *Correspondence: Yu Cheng, ; Chang Chen,
| | - Chang Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
- *Correspondence: Yu Cheng, ; Chang Chen,
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Harawaza K, Cousins B, Roach P, Fernandez A. Modification of the surface nanotopography of implant devices: A translational perspective. Mater Today Bio 2021; 12:100152. [PMID: 34746736 PMCID: PMC8554633 DOI: 10.1016/j.mtbio.2021.100152] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/16/2021] [Accepted: 10/19/2021] [Indexed: 01/24/2023] Open
Abstract
There is an increasing need for the development of superior, safe, and more sophisticated implants, especially as our society historically has been moving towards an increasingly aging population. Currently, most research is being focused on the next generation of advanced medical implants, that are not only biocompatible but have modified surfaces that direct specific immunomodulation at cellular level. While there is a plethora of information on cell-surface interaction and how surfaces can be nanofabricated at research level, less is known about how the academic knowledge has been translated into clinical trials and commercial technologies. In this review, we provide a clinical translational perspective on the use of controlled physical surface modification of medical implants, presenting an analysis of data acquired from clinical trials and commercial products. We also evaluate the state-of-the-art of nanofabrication techniques that are being applied for implant surface modification at a clinical level. Finally, we identify some current challenges in the field, including the need of more advanced nanopatterning techniques, the comparatively small number of clinical trials and comment on future avenues to be explored for a successful clinical translation.
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Affiliation(s)
- K. Harawaza
- Chemistry Department, School of Science, Loughborough University, Loughborough, LE11 3TU, UK
| | - B. Cousins
- Chemistry Department, School of Science, Loughborough University, Loughborough, LE11 3TU, UK
| | - P. Roach
- Chemistry Department, School of Science, Loughborough University, Loughborough, LE11 3TU, UK
| | - A. Fernandez
- Chemistry Department, School of Science, Loughborough University, Loughborough, LE11 3TU, UK
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Sakthivel K, Kumar H, Mohamed MGA, Talebjedi B, Shim J, Najjaran H, Hoorfar M, Kim K. High Throughput Screening of Cell Mechanical Response Using a Stretchable 3D Cellular Microarray Platform. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000941. [PMID: 32588966 DOI: 10.1002/smll.202000941] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 05/10/2020] [Indexed: 06/11/2023]
Abstract
Cells in vivo are constantly subjected to multiple microenvironmental mechanical stimuli that regulate cell function. Although 2D cell responses to the mechanical stimulation have been established, these methods lack relevance as physiological cell microenvironments are in 3D. Moreover, the existing platforms developed for studying the cell responses to mechanical cues in 3D either offer low-throughput, involve complex fabrication, or do not allow combinatorial analysis of multiple cues. Considering this, a stretchable high-throughput (HT) 3D cell microarray platform is presented that can apply dynamic mechanical strain to cells encapsulated in arrayed 3D microgels. The platform uses inkjet-bioprinting technique for printing cell-laden gelatin methacrylate (GelMA) microgel array on an elastic composite substrate that is periodically stretched. The developed platform is highly biocompatible and transfers the applied strain from the stretched substrate to the cells. The HT analysis is conducted to analyze cell mechano-responses throughout the printed microgel array. Also, the combinatorial analysis of distinct cell behaviors is conducted for different GelMA microenvironmental stiffnesses in addition to the dynamic stretch. Considering its throughput and flexibility, the developed platform can readily be scaled up to introduce a wide range of microenvironmental cues and to screen the cell responses in a HT way.
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Affiliation(s)
- Kabilan Sakthivel
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Hitendra Kumar
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Mohamed G A Mohamed
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Bahram Talebjedi
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Justin Shim
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Homayoun Najjaran
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Mina Hoorfar
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
| | - Keekyoung Kim
- School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, AB, T2N 1N4, Canada
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, T2N 1N4, Canada
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Cavero I, Guillon JM, Holzgrefe HH. Human organotypic bioconstructs from organ-on-chip devices for human-predictive biological insights on drug candidates. Expert Opin Drug Saf 2019; 18:651-677. [DOI: 10.1080/14740338.2019.1634689] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Icilio Cavero
- Independent Consultant in Safety Pharmacology, Paris, France
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Affiliation(s)
- Kai Zhu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yi-Chen Ethan Li
- Department of Chemical Engineering Feng Chia University Taichung 40724, Taiwan
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