1
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Wang Y, Wang J, Zhang J, Wang Y, Wang Y, Kang H, Zhao W, Bai W, Miao N, Wang J. Stiffness sensing via Piezo1 enhances macrophage efferocytosis and promotes the resolution of liver fibrosis. SCIENCE ADVANCES 2024; 10:eadj3289. [PMID: 38838160 DOI: 10.1126/sciadv.adj3289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 05/01/2024] [Indexed: 06/07/2024]
Abstract
Tissue stiffening is a predominant feature of fibrotic disorders, but the response of macrophages to changes in tissue stiffness and cellular context in fibrotic diseases remains unclear. Here, we found that the mechanosensitive ion channel Piezo1 was up-regulated in hepatic fibrosis. Macrophages lacking Piezo1 showed sustained inflammation and impaired spontaneous resolution of early liver fibrosis. Further analysis revealed an impairment of clearance of apoptotic cells by macrophages in the fibrotic liver. Macrophages showed enhanced efferocytosis when cultured on rigid substrates but not soft ones, suggesting stiffness-dependent efferocytosis of macrophages required Piezo1 activation. Besides, Piezo1 was involved in the efficient acidification of the engulfed cargo in the phagolysosomes and affected the subsequent expression of anti-inflammation genes after efferocytosis. Pharmacological activation of Piezo1 increased the efferocytosis capacity of macrophages and accelerated the resolution of inflammation and fibrosis. Our study supports the antifibrotic role of Piezo1-mediated mechanical sensation in liver fibrosis, suggesting that targeting PIEZO1 to enhance macrophage efferocytosis could induce fibrosis regression.
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Affiliation(s)
- Yang Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jin Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jiahao Zhang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yina Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yuanyuan Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Haixia Kang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wenying Zhao
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wenjuan Bai
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Naijun Miao
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jing Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Center for Immune-related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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2
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Winer BY, Settle AH, Yakimov AM, Jeronimo C, Lazarov T, Tipping M, Saoi M, Sawh A, Sepp ALL, Galiano M, Perry JSA, Wong YY, Geissmann F, Cross J, Zhou T, Kam LC, Pasolli HA, Hohl T, Cyster JG, Weiner OD, Huse M. Plasma membrane abundance dictates phagocytic capacity and functional cross-talk in myeloid cells. Sci Immunol 2024; 9:eadl2388. [PMID: 38848343 DOI: 10.1126/sciimmunol.adl2388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 05/15/2024] [Indexed: 06/09/2024]
Abstract
Professional phagocytes like neutrophils and macrophages tightly control what they consume, how much they consume, and when they move after cargo uptake. We show that plasma membrane abundance is a key arbiter of these cellular behaviors. Neutrophils and macrophages lacking the G protein subunit Gβ4 exhibited profound plasma membrane expansion, accompanied by marked reduction in plasma membrane tension. These biophysical changes promoted the phagocytosis of bacteria, fungus, apoptotic corpses, and cancer cells. We also found that Gβ4-deficient neutrophils are defective in the normal inhibition of migration following cargo uptake. Sphingolipid synthesis played a central role in these phenotypes by driving plasma membrane accumulation in cells lacking Gβ4. In Gβ4 knockout mice, neutrophils not only exhibited enhanced phagocytosis of inhaled fungal conidia in the lung but also increased trafficking of engulfed pathogens to other organs. Together, these results reveal an unexpected, biophysical control mechanism central to myeloid functional decision-making.
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Affiliation(s)
- Benjamin Y Winer
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Microbiology and Immunology, University of California San Francisco, San Francisco, CA, USA
- Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, USA
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Alexander H Settle
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Carlos Jeronimo
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Tomi Lazarov
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Murray Tipping
- Molecular Cytology Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Michelle Saoi
- Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Anna-Liisa L Sepp
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Michael Galiano
- Molecular Cytology Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Justin S A Perry
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Yung Yu Wong
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Frederic Geissmann
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Justin Cross
- Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ting Zhou
- Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- SKI Stem Cell Research Facility, Center for Stem Cell Biology and Developmental Biology Program, Sloan Kettering Institute, 1275 York Avenue, New York, NY, USA
| | - Lance C Kam
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - H Amalia Pasolli
- Electron Microscopy Resource Center, Rockefeller University, New York, NY, USA
| | - Tobias Hohl
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jason G Cyster
- Department of Microbiology and Immunology, University of California San Francisco, San Francisco, CA, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | - Orion D Weiner
- Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, USA
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Morgan Huse
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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3
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Yan Y, Zhang Y, Li K, Li Y, Qian W, Zhang W, Wang Y, Ma W, Li L. Synergistic effects of graphene microgrooves and electrical stimulation on M2 macrophage polarization. Biochem Biophys Res Commun 2024; 711:149911. [PMID: 38603832 DOI: 10.1016/j.bbrc.2024.149911] [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: 01/30/2024] [Revised: 03/24/2024] [Accepted: 04/05/2024] [Indexed: 04/13/2024]
Abstract
Macrophages play a crucial role in host response and wound healing, with M2 polarization contributing to the reduction of foreign-body reactions induced by the implantation of biomaterials and promoting tissue regeneration. Electrical stimulation (ES) and micropatterned substrates have a significant impact on the macrophage polarization. However, there is currently a lack of well-established cell culture platforms for studying the synergistic effects of these two factors. In this study, we prepared a graphene free-standing substrate with 20 μm microgrooves using capillary forces induced by water evaporation. Subsequently, we established an ES cell culture platform for macrophage cultivation by integrating a self-designed multi-well chamber cell culture device. We observed that graphene microgrooves, in combination with ES, significantly reduce cell spreading area and circularity. Results from immunofluorescence, ELISA, and flow cytometry demonstrate that the synergistic effect of graphene microgrooves and ES effectively promotes macrophage M2 phenotypic polarization. Finally, RNA sequencing results reveal that the synergistic effects of ES and graphene microgrooves inhibit the macrophage actin polymerization and the downstream PI3K signaling pathway, thereby influencing the phenotypic transition. Our results demonstrate the potential of graphene-based microgrooves and ES to synergistically modulate macrophage polarization, offering promising applications in regenerative medicine.
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Affiliation(s)
- Yan Yan
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, PR China
| | - Yilin Zhang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, PR China
| | - Kexin Li
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, PR China
| | - Yudong Li
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, PR China
| | - Wei Qian
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, PR China
| | - Wenbo Zhang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, PR China
| | - Yue Wang
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, PR China
| | - Wensheng Ma
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, PR China.
| | - Linhao Li
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, PR China.
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4
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Han X, Wang F, Ma Y, Lv X, Zhang K, Wang Y, Yan K, Mei Y, Wang X. TPG-functionalized PLGA/PCL nanofiber membrane facilitates periodontal tissue regeneration by modulating macrophages polarization via suppressing PI3K/AKT and NF-κB signaling pathways. Mater Today Bio 2024; 26:101036. [PMID: 38600919 PMCID: PMC11004206 DOI: 10.1016/j.mtbio.2024.101036] [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: 01/12/2024] [Revised: 03/06/2024] [Accepted: 03/19/2024] [Indexed: 04/12/2024] Open
Abstract
Traditional fibrous membranes employed in guided tissue regeneration (GTR) in the treatment of periodontitis have limitations of bioactive and immunomodulatory properties. We fabricated a novel nTPG/PLGA/PCL fibrous membrane by electrospinning which exhibit excellent hydrophilicity, mechanical properties and biocompatibility. In addition, we investigated its regulatory effect on polarization of macrophages and facilitating the regeneration of periodontal tissue both in vivo and in vitro. These findings showed the 0.5%TPG/PLGA/PCL may inhibit the polarization of RAW 264.7 into M1 phenotype by suppressing the PI3K/AKT and NF-κB signaling pathways. Furthermore, it directly up-regulated the expression of cementoblastic differentiation markers (CEMP-1 and CAP) in periodontal ligament stem cells (hPDLSCs), and indirectly up-regulated the expression of cementoblastic (CEMP-1 and CAP) and osteoblastic (ALP, RUNX2, COL-1, and OCN) differentiation markers by inhibiting the polarization of M1 macrophage. Upon implantation into a periodontal bone defect rats model, histological assessment revealed that the 0.5%TPG/PLGA/PCL membrane could regenerate oriented collagen fibers and structurally intact epithelium. Micro-CT (BV/TV) and the expression of immunohistochemical markers (OCN, RUNX-2, COL-1, and BMP-2) ultimately exhibited satisfactory regeneration of alveolar bone, periodontal ligament. Overall, 0.5%TPG/PLGA/PCL did not only directly promote osteogenic effects on hPDLSCs, but also indirectly facilitated cementoblastic and osteogenic differentiation through its immunomodulatory effects on macrophages. These findings provide a novel perspective for the development of materials for periodontal tissue regeneration.
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Affiliation(s)
- Xiang Han
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Feiyang Wang
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Yuzhuo Ma
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Xuerong Lv
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Kewei Zhang
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Yue Wang
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Ke Yan
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
| | - Youmin Mei
- Department of Periodontology, Nantong Stomatological Hospital, Affiliated Nantong Stomatological Hospital of Nantong University, Nantong, 226000, People's Republic of China
| | - Xiaoqian Wang
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, People's Republic of China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People's Republic of China
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5
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Benmelech S, Le T, McKay M, Nam J, Subramaniam K, Tellez D, Vlasak G, Mak M. Biophysical and biochemical aspects of immune cell-tumor microenvironment interactions. APL Bioeng 2024; 8:021502. [PMID: 38572312 PMCID: PMC10990568 DOI: 10.1063/5.0195244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 03/19/2024] [Indexed: 04/05/2024] Open
Abstract
The tumor microenvironment (TME), composed of and influenced by a heterogeneous set of cancer cells and an extracellular matrix, plays a crucial role in cancer progression. The biophysical aspects of the TME (namely, its architecture and mechanics) regulate interactions and spatial distributions of cancer cells and immune cells. In this review, we discuss the factors of the TME-notably, the extracellular matrix, as well as tumor and stromal cells-that contribute to a pro-tumor, immunosuppressive response. We then discuss the ways in which cells of the innate and adaptive immune systems respond to tumors from both biochemical and biophysical perspectives, with increased focus on CD8+ and CD4+ T cells. Building upon this information, we turn to immune-based antitumor interventions-specifically, recent biophysical breakthroughs aimed at improving CAR-T cell therapy.
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Affiliation(s)
- Shoham Benmelech
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
| | - Thien Le
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
| | - Maggie McKay
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
| | - Jungmin Nam
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
| | - Krupakar Subramaniam
- Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut 06511, USA
| | - Daniela Tellez
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
| | - Grace Vlasak
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
| | - Michael Mak
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06511, USA
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6
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Huo Z, Yang W, Harati J, Nene A, Borghi F, Piazzoni C, Milani P, Guo S, Galluzzi M, Boraschi D. Biomechanics of Macrophages on Disordered Surface Nanotopography. ACS APPLIED MATERIALS & INTERFACES 2024; 16:27164-27176. [PMID: 38750662 DOI: 10.1021/acsami.4c04330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Macrophages are involved in every stage of the innate/inflammatory immune responses in the body tissues, including the resolution of the reaction, and they do so in close collaboration with the extracellular matrix (ECM). Simplified substrates with nanotopographical features attempt to mimic the structural properties of the ECM to clarify the functional features of the interaction of the ECM with macrophages. We still have a limited understanding of the macrophage behavior upon interaction with disordered nanotopography, especially with features smaller than 10 nm. Here, we combine atomic force microscopy (AFM), finite element modeling (FEM), and quantitative biochemical approaches in order to understand the mechanotransduction from the nanostructured surface into cellular responses. AFM experiments show a decrease of macrophage stiffness, measured with the Young's modulus, as a biomechanical response to a nanostructured (ns-) ZrOx surface. FEM experiments suggest that ZrOx surfaces with increasing roughness represent weaker mechanical boundary conditions. The mechanical cues from the substrate are transduced into the cell through the formation of integrin-regulated focal adhesions and cytoskeletal reorganization, which, in turn, modulate cell biomechanics by downregulating cell stiffness. Surface nanotopography and consequent biomechanical response impact the overall behavior of macrophages by increasing movement and phagocytic ability without significantly influencing their inflammatory behavior. Our study suggests a strong potential of surface nanotopography for the regulation of macrophage functions, which implies a prospective application relative to coating technology for biomedical devices.
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Affiliation(s)
- Zixin Huo
- Shenzhen Key Laboratory of Smart Sensing and Intelligent Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenjie Yang
- Laboratory of Inflammation and Vaccines, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Javad Harati
- Shenzhen Key Laboratory of Biomimetic Materials and Cellular Immunomodulation, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Ajinkya Nene
- Laboratory of Inflammation and Vaccines, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Francesca Borghi
- CIMaINa and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
| | - Claudio Piazzoni
- CIMaINa and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
| | - Paolo Milani
- CIMaINa and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
| | - Shifeng Guo
- Shenzhen Key Laboratory of Smart Sensing and Intelligent Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Guangdong Provincial Key Lab of Robotics and Intelligent System, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- The Key Laboratory of Biomedical Imaging Science and System, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Massimiliano Galluzzi
- Laboratory of Inflammation and Vaccines, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Diana Boraschi
- Laboratory of Inflammation and Vaccines, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Department of Pharmacology, Shenzhen University of Advanced Technology, Shenzhen 518055, China
- China-Italy Joint Laboratory of Pharmacobiotechnology for Medical Immunomodulation, Shenzhen 518055, China
- Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, Italy
- Stazione Zoologica Anton Dohrn, 80122 Napoli, Italy
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7
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Lith SC, Evers TMJ, Freire BM, van Tiel CM, Vos WG, Mashaghi A, de Vries CJM. Nuclear receptor Nur77 regulates immunomechanics of macrophages. Eur J Cell Biol 2024; 103:151419. [PMID: 38763048 DOI: 10.1016/j.ejcb.2024.151419] [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: 01/17/2024] [Revised: 04/17/2024] [Accepted: 05/08/2024] [Indexed: 05/21/2024] Open
Abstract
Nuclear receptor Nur77 plays a pivotal role in immune regulation across various tissues, influencing pro-inflammatory signaling pathways and cellular metabolism. While cellular mechanics have been implicated in inflammation, the contribution of Nur77 to these mechanical processes remains elusive. Macrophages exhibit remarkable plasticity in their morphology and mechanics, enabling them to adapt and execute essential inflammatory functions, such as navigating through inflamed tissue and pathogen engulfment. However, the precise regulatory mechanisms governing these dynamic changes in macrophage mechanics during inflammation remain poorly understood. To establish the potential correlation of Nur77 with cellular mechanics, we compared bone marrow-derived macrophages (BMDMs) from wild-type (WT) and Nur77-deficient (Nur77-KO) mice and employed cytoskeletal imaging, single-cell acoustic force spectroscopy (AFS), migration and phagocytosis assays, and RNA-sequencing. Our findings reveal that Nur77-KO BMDMs exhibit changes to their actin networks compared to WT BMDMs, which is associated with a stiffer and more rigid phenotype. Subsequent in vitro experiments validated our observations, showcasing that Nur77 deficiency leads to enhanced migration, reduced adhesion, and increased phagocytic activity. The transcriptomics data confirmed altered mechanics-related pathways in Nur77-deficient macrophage that are accompanied by a robust pro-inflammatory phenotype. Utilizing previously obtained ChIP-data, we revealed that Nur77 directly targets differentially expressed genes associated with cellular mechanics. In conclusion, while Nur77 is recognized for its role in reducing inflammation of macrophages by inhibiting the expression of pro-inflammatory genes, our study identifies a novel regulatory mechanism where Nur77 governs macrophage inflammation through the modulation of expression of genes involved in cellular mechanics. Our findings suggest that immune regulation by Nur77 may be partially mediated through alterations in cellular mechanics, highlighting a potential avenue for therapeutic targeting.
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Affiliation(s)
- Sanne C Lith
- Amsterdam UMC location University of Amsterdam, Department of Medical Biochemistry, Amsterdam, The Netherlands; Amsterdam Cardiovascular Sciences, University of Amsterdam, The Netherlands; Amsterdam Institute for Immunology and Infectious diseases, University of Amsterdam, The Netherlands
| | - Tom M J Evers
- Medical Systems Biophysics and Bioengineering, Leiden Academic Centre for Drug Research, Faculty of Mathematics and Natural Sciences, Leiden University, Leiden, The Netherlands
| | - Beatriz M Freire
- Amsterdam UMC location University of Amsterdam, Department of Medical Biochemistry, Amsterdam, The Netherlands; Amsterdam Cardiovascular Sciences, University of Amsterdam, The Netherlands; Amsterdam Institute for Immunology and Infectious diseases, University of Amsterdam, The Netherlands
| | - Claudia M van Tiel
- Amsterdam UMC location University of Amsterdam, Department of Medical Biochemistry, Amsterdam, The Netherlands; Amsterdam Cardiovascular Sciences, University of Amsterdam, The Netherlands; Amsterdam Institute for Immunology and Infectious diseases, University of Amsterdam, The Netherlands
| | - Winnie G Vos
- Amsterdam UMC location University of Amsterdam, Department of Medical Biochemistry, Amsterdam, The Netherlands; Amsterdam Cardiovascular Sciences, University of Amsterdam, The Netherlands; Amsterdam Institute for Immunology and Infectious diseases, University of Amsterdam, The Netherlands
| | - Alireza Mashaghi
- Medical Systems Biophysics and Bioengineering, Leiden Academic Centre for Drug Research, Faculty of Mathematics and Natural Sciences, Leiden University, Leiden, The Netherlands.
| | - Carlie J M de Vries
- Amsterdam UMC location University of Amsterdam, Department of Medical Biochemistry, Amsterdam, The Netherlands; Amsterdam Cardiovascular Sciences, University of Amsterdam, The Netherlands; Amsterdam Institute for Immunology and Infectious diseases, University of Amsterdam, The Netherlands.
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8
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Wu C, Zhang H, Guo Y, Sun X, Hu Z, Teng L, Zeng Z. Porous Hydrogels for Immunomodulatory Applications. Int J Mol Sci 2024; 25:5152. [PMID: 38791191 PMCID: PMC11121438 DOI: 10.3390/ijms25105152] [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: 04/17/2024] [Revised: 05/02/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
Cancer immunotherapy relies on the insight that the immune system can be used to defend against malignant cells. The aim of cancer immunotherapy is to utilize, modulate, activate, and train the immune system to amplify antitumor T-cell immunity. In parallel, the immune system response to damaged tissue is also crucial in determining the success or failure of an implant. Due to their extracellular matrix mimetics and tunable chemical or physical performance, hydrogels are promising platforms for building immunomodulatory microenvironments for realizing cancer therapy and tissue regeneration. However, submicron or nanosized pore structures within hydrogels are not favorable for modulating immune cell function, such as cell invasion, migration, and immunophenotype. In contrast, hydrogels with a porous structure not only allow for nutrient transportation and metabolite discharge but also offer more space for realizing cell function. In this review, the design strategies and influencing factors of porous hydrogels for cancer therapy and tissue regeneration are first discussed. Second, the immunomodulatory effects and therapeutic outcomes of different porous hydrogels for cancer immunotherapy and tissue regeneration are highlighted. Beyond that, this review highlights the effects of pore size on immune function and potential signal transduction. Finally, the remaining challenges and perspectives of immunomodulatory porous hydrogels are discussed.
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Affiliation(s)
- Cuifang Wu
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
| | - Honghong Zhang
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
| | - Yangyang Guo
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
| | - Xiaomin Sun
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
| | - Zuquan Hu
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
| | - Lijing Teng
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
| | - Zhu Zeng
- Key Laboratory of Infectious Immune and Antibody Engineering in University of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering (School of Modern Industry for Health and Medicine), Guizhou Medical University, Guiyang 550025, China; (C.W.)
- Immune Cells and Antibody Engineering Research Center in University of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang 550025, China
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550025, China
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, China
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9
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Wang S, Ma S, Li H, Dao M, Li X, Karniadakis GE. Two-component macrophage model for active phagocytosis with pseudopod formation. Biophys J 2024; 123:1069-1084. [PMID: 38532625 PMCID: PMC11079866 DOI: 10.1016/j.bpj.2024.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 11/20/2023] [Accepted: 03/21/2024] [Indexed: 03/28/2024] Open
Abstract
Macrophage phagocytosis is critical for the immune response, homeostasis regulation, and tissue repair. This intricate process involves complex changes in cell morphology, cytoskeletal reorganization, and various receptor-ligand interactions controlled by mechanical constraints. However, there is a lack of comprehensive theoretical and computational models that investigate the mechanical process of phagocytosis in the context of cytoskeletal rearrangement. To address this issue, we propose a novel coarse-grained mesoscopic model that integrates a fluid-like cell membrane and a cytoskeletal network to study the dynamic phagocytosis process. The growth of actin filaments results in the formation of long and thin pseudopods, and the initial cytoskeleton can be disassembled upon target entry and reconstructed after phagocytosis. Through dynamic changes in the cytoskeleton, our macrophage model achieves active phagocytosis by forming a phagocytic cup utilizing pseudopods in two distinct ways. We have developed a new algorithm for modifying membrane area to prevent membrane rupture and ensure sufficient surface area during phagocytosis. In addition, the bending modulus, shear stiffness, and cortical tension of the macrophage model are investigated through computation of the axial force for the tubular structure and micropipette aspiration. With this model, we simulate active phagocytosis at the cytoskeletal level and investigate the mechanical process during the dynamic interplay between macrophage and target particles.
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Affiliation(s)
- Shuo Wang
- Department of Engineering Mechanics and Center for X-Mechanics, Zhejiang University, Hangzhou, Zhejiang, China
| | - Shuhao Ma
- Department of Engineering Mechanics and Center for X-Mechanics, Zhejiang University, Hangzhou, Zhejiang, China
| | - He Li
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia
| | - Ming Dao
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Xuejin Li
- Department of Engineering Mechanics and Center for X-Mechanics, Zhejiang University, Hangzhou, Zhejiang, China.
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10
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Karyu H, Niki T, Sorimachi Y, Hata S, Shimabukuro-Demoto S, Hirabayashi T, Mukai K, Kasahara K, Takubo K, Goda N, Honke K, Taguchi T, Sorimachi H, Toyama-Sorimachi N. Collaboration between a cis-interacting natural killer cell receptor and membrane sphingolipid is critical for the phagocyte function. Front Immunol 2024; 15:1401294. [PMID: 38720899 PMCID: PMC11076679 DOI: 10.3389/fimmu.2024.1401294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 04/12/2024] [Indexed: 05/12/2024] Open
Abstract
Inhibitory natural killer (NK) cell receptors recognize MHC class I (MHC-I) in trans on target cells and suppress cytotoxicity. Some NK cell receptors recognize MHC-I in cis, but the role of this interaction is uncertain. Ly49Q, an atypical Ly49 receptor expressed in non-NK cells, binds MHC-I in cis and mediates chemotaxis of neutrophils and type I interferon production by plasmacytoid dendritic cells. We identified a lipid-binding motif in the juxtamembrane region of Ly49Q and found that Ly49Q organized functional membrane domains comprising sphingolipids via sulfatide binding. Ly49Q recruited actin-remodeling molecules to an immunoreceptor tyrosine-based inhibitory motif, which enabled the sphingolipid-enriched membrane domain to mediate complicated actin remodeling at the lamellipodia and phagosome membranes during phagocytosis. Thus, Ly49Q facilitates integrative regulation of proteins and lipid species to construct a cell type-specific membrane platform. Other Ly49 members possess lipid binding motifs; therefore, membrane platform organization may be a primary role of some NK cell receptors.
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Affiliation(s)
- Hitomi Karyu
- Division of Human Immunology, International Vaccine Design Center, The Institute of Medical Science, The University of Tokyo (IMSUT), Tokyo, Japan
| | - Takahiro Niki
- Laboratory for Neural Cell Dynamics, RIKEN Center for Brain Science, Saitama, Japan
| | - Yuriko Sorimachi
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Shinjuku, Tokyo, Japan
| | - Shoji Hata
- Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Shiho Shimabukuro-Demoto
- Division of Human Immunology, International Vaccine Design Center, The Institute of Medical Science, The University of Tokyo (IMSUT), Tokyo, Japan
| | - Tetsuya Hirabayashi
- Laboratory of Biomembrane, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kojiro Mukai
- Department of Integrative Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Kohji Kasahara
- Laboratory of Biomembrane, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Keiyo Takubo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Shinjuku, Tokyo, Japan
| | - Nobuhito Goda
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Koichi Honke
- Department of Biochemistry and Kochi System Glycobiology Center, Kochi University Medical School, Kochi, Japan
| | - Tomohiko Taguchi
- Department of Integrative Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Hiroyuki Sorimachi
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Noriko Toyama-Sorimachi
- Division of Human Immunology, International Vaccine Design Center, The Institute of Medical Science, The University of Tokyo (IMSUT), Tokyo, Japan
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11
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Ganguly K, Luthfikasari R, Randhawa A, Dutta SD, Patil TV, Acharya R, Lim KT. Stimuli-Mediated Macrophage Switching, Unraveling the Dynamics at the Nanoplatforms-Macrophage Interface. Adv Healthc Mater 2024:e2400581. [PMID: 38637323 DOI: 10.1002/adhm.202400581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/01/2024] [Indexed: 04/20/2024]
Abstract
Macrophages play an essential role in immunotherapy and tissue regeneration owing to their remarkable plasticity and diverse functions. Recent bioengineering developments have focused on using external physical stimuli such as electric and magnetic fields, temperature, and compressive stress, among others, on micro/nanostructures to induce macrophage polarization, thereby increasing their therapeutic potential. However, it is difficult to find a concise review of the interaction between physical stimuli, advanced micro/nanostructures, and macrophage polarization. This review examines the present research on physical stimuli-induced macrophage polarization on micro/nanoplatforms, emphasizing the synergistic role of fabricated structure and stimulation for advanced immunotherapy and tissue regeneration. A concise overview of the research advancements investigating the impact of physical stimuli, including electric fields, magnetic fields, compressive forces, fluid shear stress, photothermal stimuli, and multiple stimulations on the polarization of macrophages within complex engineered structures, is provided. The prospective implications of these strategies in regenerative medicine and immunotherapeutic approaches are highlighted. This review will aid in creating stimuli-responsive platforms for immunomodulation and tissue regeneration.
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Affiliation(s)
- Keya Ganguly
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Institute of Forest Science, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Rachmi Luthfikasari
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Aayushi Randhawa
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Sayan Deb Dutta
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Tejal V Patil
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Rumi Acharya
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Ki-Taek Lim
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
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12
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Zhu S, Chen Y, Lu Z, Kong S, Zhang Y, Jia X, Xin H, Zhang X, Zhang W, Liu F, Kong L. Bacteroid cerium oxide particles promote macrophage polarization to achieve early vascularization and subsequent osseointegration around implants. Biochem Biophys Res Commun 2024; 703:149647. [PMID: 38350211 DOI: 10.1016/j.bbrc.2024.149647] [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: 12/15/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/15/2024]
Abstract
The establishment of an osseointegration is crucial for the long-term stability and functionality of implant materials, and early angiogenesis is the key to successful osseointegration. However, the bioinertness of titanium implants affects osseointegration, limiting their clinical application. In this study, inspired by the rapid polarization of macrophages following the phagocytosis of bacteria, we developed bacteroid cerium oxide particles; these particles were composed of CeO2 and had a size similar to that of Bacillus (0.5 μ m). These particles were constructed on the implant surfaces using a hydrothermal method. In vitro experiments demonstrated that the particles effectively decreased the reactive oxygen species (ROS) levels in macrophages (RAW264.7). Furthermore, these particles exerted effects on M1 macrophage polarization, enhanced nitric oxide (NO) secretion to promote vascular regeneration, and facilitated rapid macrophage transition to the M2 phenotype. Subsequently, the particles facilitated human umbilical vein endothelial cell (HUVEC) migration. In vivo studies showed that these particles rapidly stimulated innate immune responses in animal models, leading to enhanced angiogenesis around the implant and improved osseointegration. In summary, the presence of bacteroid cerium oxide particles on the implant surface regulated and accelerated macrophage polarization, thereby enhancing angiogenesis during the immune response and improving peri-implant osseointegration.
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Affiliation(s)
- Simin Zhu
- College of Life Sciences, Northwest University, Xi'an, 710069, People's Republic of China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yicheng Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Zihan Lu
- College of Life Sciences, Northwest University, Xi'an, 710069, People's Republic of China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Shaolingzhuo Kong
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yufan Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Xuelian Jia
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - He Xin
- The 900th Hospital of Joint Logistic Support Force, PLA, Fuzhou, Fujian, 350001, People's Republic of China
| | - Xiao Zhang
- College of Life Sciences, Northwest University, Xi'an, 710069, People's Republic of China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Wenhui Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Fuwei Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
| | - Liang Kong
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
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13
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Jia Z, Chen L, Gu D, Li X, Wen T, Li W. Lentinan-loaded GelMA hydrogel accelerates diabetic wound healing through enhanced angiogenesis and immune microenvironment modulation. Int J Biol Macromol 2024; 264:130716. [PMID: 38458275 DOI: 10.1016/j.ijbiomac.2024.130716] [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: 01/09/2024] [Revised: 02/12/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Diabetic wound healing is a substantial clinical challenge, characterized by delayed angiogenesis and unresolved inflammation. Lentinan, a polysaccharide extracted from shiitake mushrooms, has the potential to regulate both macrophage polarization and angiogenesis, though this aspect remains inadequately explored. To facilitate lentinan's clinical utility, we have developed a GelMA hydrogel encapsulated with lentinan (10 μM), offering a controlled release mechanism for sustained lentinan delivery at the wound site. Application of the lentinan-encapsulated delivery system topically significantly expedites wound closure compared to control groups. Furthermore, histological examination demonstrates enhanced neovascularization and reduced inflammation in lentinan-treated wounds, as evidenced by increased M2 macrophage infiltration. Moreover, our results indicated that lentinan-induced AMPK activation promotes DAF16 expression, enhancing the resistance of macrophages and HUVECs to oxidative stress in high-glucose environments, thereby promoting M2 macrophage polarization and angiogenesis. All these findings underscore lentinan's capacity to modulate macrophage polarization and angiogenesis via the AMPK/DAF16 pathway, ultimately facilitating the healing of diabetic wounds.
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Affiliation(s)
- Zhiwei Jia
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 101100, China.
| | - Lei Chen
- Department of Sports Medicine, Fourth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Dongqiang Gu
- Department of Sports Medicine, Fourth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Xingxuan Li
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 101100, China
| | - Tianlin Wen
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 101100, China
| | - Wei Li
- Department of Sports Medicine, Fourth Medical Center of PLA General Hospital, Beijing 100048, China.
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14
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Xu Y, Ying L, Lang JK, Hinz B, Zhao R. Modeling mechanical activation of macrophages during pulmonary fibrogenesis for targeted anti-fibrosis therapy. SCIENCE ADVANCES 2024; 10:eadj9559. [PMID: 38552026 PMCID: PMC10980276 DOI: 10.1126/sciadv.adj9559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 02/23/2024] [Indexed: 04/01/2024]
Abstract
Pulmonary fibrosis is an often fatal lung disease. Immune cells such as macrophages were shown to accumulate in the fibrotic lung, but their contribution to the fibrosis development is unclear. To recapitulate the involvement of macrophages in the development of pulmonary fibrosis, we developed a fibrotic microtissue model with cocultured human macrophages and fibroblasts. We show that profibrotic macrophages seeded on topographically controlled stromal tissues became mechanically activated. The resulting co-alignment of macrophages, collagen fibers, and fibroblasts promoted widespread fibrogenesis in micro-engineered lung tissues. Anti-fibrosis treatment using pirfenidone disrupts the polarization and mechanical activation of profibrotic macrophages, leading to fibrosis inhibition. Pirfenidone inhibits the mechanical activation of macrophages by suppressing integrin αMβ2 and Rho-associated kinase 2. These results demonstrate a potential pulmonary fibrogenesis mechanism at the tissue level contributed by macrophages. The cocultured microtissue model is a powerful tool to study the immune-stromal cell interactions and the anti-fibrosis drug mechanism.
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Affiliation(s)
- Ying Xu
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Linxuan Ying
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Jennifer K. Lang
- Division of Cardiovascular Medicine and the Clinical and Translational Research Center, University at Buffalo, State University of New York; Veterans Affairs Western New York Health Care System, University at Buffalo, State University of New York; Department of Biomedical Engineering, University at Buffalo, State University of New York; Department of Medicine, University at Buffalo, State University of New York; Department of Pharmacology and Toxicology, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA
| | - Boris Hinz
- Laboratory of Tissue Repair and Regeneration, Keenan Research Centre for Biomedical Science of the St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - Ruogang Zhao
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
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15
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Bao H, Gong Z, Zhao J, Ren P, Yu Z, Su N, Gong L, Mao W, Liu B, Zhang S, Yang Y, Cao J. Prostaglandin D 2 is involved in the regulation of inflammatory response in Staphylococcus aureus-infected mice macrophages. Int Immunopharmacol 2024; 129:111526. [PMID: 38295545 DOI: 10.1016/j.intimp.2024.111526] [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: 12/01/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 02/02/2024]
Abstract
Staphylococcus aureus (S. aureus) is one of the most infamous and widespread bacterial pathogens, causing a hard-to-estimate number of uncomplicated skin infections and probably hundreds of thousands to millions of more severe, invasive infections globally per year. S. aureus may also be acquired from animals, especially in the livestock industry. The interaction mechanism of host and S. aureus has significance for finding ways to against S. aureus infection and control inflammatory response of host, while the molecular biological activities after S. aureus infection, particular in inflammatory and immune cells are not fully clear. The present study aimed to explore whether pattern recognition receptors (PRRs) mediate prostaglandin D2 (PGD2) synthesis and PGD2 participates in the regulation of inflammatory response in macrophages during S. aureus infection or synthetic bacterial lipopeptide (Pam2CSK4) stimulation. PGD2 secretion level was enhanced by mice peritoneal macrophages infected with the S. aureus. The results indicated that PGD2 secretion was impaired in S. aureus infected-macrophages from toll-like receptors 2 (TLR2)-deficient and NLR pyrin domain-containing 3 (NLRP3)-deficient mice. PGD2 synthetase (hematopoietic PGD synthase, HPGDS) inhibitors could reduce the activation of macrophage mitogen-activated protein kinase (MAPK)/nuclear factor-κ-gene binding (NF-κB) signaling pathways. HPGDS inhibition impaired cytokines (TNF-α, IL-1β, IL-10 and RANTES) secretion and macrophage phagocytosis during S. aureus infection. In addition, inhibition of endogenous PGD2 synthesis was unable to affect the TLR2 and NLRP3 expression in S. aureus-infected macrophages. Taken together, macrophage PGD2 secretion after S. aureus infection depended on receptors TLR2 and NLRP3, and the induced PGD2 participated in the regulation of inflammatory response in S. aureus-infected macrophages. Interestingly, it was found that exogenous PGD2 down-regulated the cytokines secretion and had no effect on phagocytosis in the S. aureus-infected macrophages.
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Affiliation(s)
- Haixia Bao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Key Lab of Germplasm Innovation and Utilization of Triticeae Crop, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Zhiguo Gong
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Jiamin Zhao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Peipei Ren
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Zhuoya Yu
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Niri Su
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Linlin Gong
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Wei Mao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Bo Liu
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Shuangyi Zhang
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China
| | - Yinfeng Yang
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China.
| | - Jinshan Cao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China; Laboratory of Veterinary Clinical Pharmacology, College of Veterinary Medicine, Inner Mongolia Agricultural University, No. 29, Erdosdong Road, Saihan District, 010011 Hohhot, China.
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16
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Posada VM, Marin A, Mesa-Restrepo A, Nashed J, Allain JP. Enhancing silk fibroin structures and applications through angle-dependent Ar + plasma treatment. Int J Biol Macromol 2024; 257:128352. [PMID: 38043660 DOI: 10.1016/j.ijbiomac.2023.128352] [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: 07/21/2023] [Revised: 10/26/2023] [Accepted: 11/20/2023] [Indexed: 12/05/2023]
Abstract
This study tackles limitations of Silk Fibroin (SF), including availability of sites for modification. This is achieved by Direct Plasma Nanosynthesis (DPNS), an Ar+ bombardment method, to generate and modify nanostructures and nanoscale properties on the SF surface. SF samples were treated with DPNS at incidence angles of 45o and 60o, with specific ion dose and energy parameters (1 × 1018 ions/cm2 and 500 eV, respectively) maintained throughout the process. Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) primarily underscored transformations in SF's nitrogenous components. Specifically, treatment produced a boost in C-NH2, particularly pronounced in the 45o-treated samples, suggesting changes were more superficial than alterations to the secondary structure. The DPNS treatment gave rise to periodic nanocone structures on the SF surface, with a scale increase correlated to a higher angle of incidence. This resulted in a decrease in surface stiffness and significant changes in the motility of J774 macrophages interacting with the transformed SF. Furthermore, the SF samples treated at a 60o incidence showcased a confinement effect, moderating the macrophages' motility, morphology, and inflammatory response. The DPNS-induced alterations not only mitigate SF's limitations but also affect cellular behavior, expanding potential for SF in biomaterials.
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Affiliation(s)
- Viviana M Posada
- Ken and Mary Alice Lindquist Department of Nuclear Engineering, Pennsylvania State University, USA.
| | - Alexandru Marin
- Ken and Mary Alice Lindquist Department of Nuclear Engineering, Pennsylvania State University, USA; Surface Analysis Laboratory, Institute for Nuclear Research Pitesti, Mioveni 115400, Romania
| | | | - Jordan Nashed
- Ken and Mary Alice Lindquist Department of Nuclear Engineering, Pennsylvania State University, USA
| | - Jean Paul Allain
- Ken and Mary Alice Lindquist Department of Nuclear Engineering, Pennsylvania State University, USA; Department of Biomedical Engineering, Pennsylvania State University, USA; Lloyd & Dorothy Foehr Huck Chair in Plasma Medicine, Pennsylvania State University, USA
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17
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Xie Y, Hang L. Mechanical gated ion channel Piezo1: Function, and role in macrophage inflammatory response. Innate Immun 2024; 30:32-39. [PMID: 38710209 PMCID: PMC11165660 DOI: 10.1177/17534259241249287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 03/02/2024] [Accepted: 03/13/2024] [Indexed: 05/08/2024] Open
Abstract
Macrophages are present in many mechanically active tissues and are often subjected to varying degrees of mechanical stimulation. Macrophages play a crucial role in resisting pathogen invasion and maintaining tissue homeostasis. Piezo-type mechanosensitive channel component 1 (Piezo1) is the main cation channel involved in the rapid response to mechanical stimuli in mammals. This channel plays a crucial role in controlling blood pressure and motor performance and regulates urinary osmotic pressure and epithelial cell proliferation and division. In recent years, numerous studies have shown that in macrophages, Piezo1 not only plays a role in regulating the aforementioned physiological processes but also participates in multiple pathological processes such as inflammation and cancer. In this review, we summarize the research progress on Piezo1-mediated regulation of macrophage-mediated inflammatory responses through downstream signalling pathways and the aerobic glycolysis pathway.
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Affiliation(s)
- Yafei Xie
- Department of Anesthesiology, Kunshan Hospital Affiliated to Jiangsu University, Suzhou, PR China
| | - Lihua Hang
- Department of Anesthesiology, Kunshan Hospital Affiliated to Jiangsu University, Suzhou, PR China
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18
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Chu Q, Han W, He Z, Hao L, Fu X. Suppression of LPS-activated inflammatory responses and chromosomal histone modifications in macrophages by micropattern-induced nuclear deformation. J Biomed Mater Res A 2024; 112:250-259. [PMID: 37740539 DOI: 10.1002/jbm.a.37617] [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: 05/11/2023] [Revised: 08/24/2023] [Accepted: 09/07/2023] [Indexed: 09/24/2023]
Abstract
Macrophages are important immune effector cells which participate various physiological and pathological conditions. Numerous studies have demonstrated the regulation of macrophage phenotype by micropatterns. It is well accepted that micropatterns affect cellular behaviors through changing cell shape and modulating the associated mechanical sensors on the plasma membrane and cytoskeleton. However, the role of nucleus, which serves as a critical physical sensing device, is often ignored. Herein, we found the nuclear deformation and the subsequently increased chromosomal histone methylation (H3K36me2) may contribute to the micropattern-induced suppression of macrophage inflammatory responses. Specifically, macrophages on micropatterned surfaces expressed lower levels of key inflammatory genes, compared with those on flat surfaces. Further investigation on macrophage nuclei showed that micropatterned surfaces cause shrinkage of nucleus volume and compaction of chromatin. Moreover, micropatterned surfaces elevated the methylation level of H3K36me2 in macrophages, while decreased the methylation level of H3K4me3. Our study provides new mechanistic insight into how micropatterns affect macrophage phenotype and highlights the importance of nuclear shape and chromatin histone modification in mediating micropattern-induced change in cell behaviors.
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Affiliation(s)
- Qi Chu
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, People's Republic of China
- National Engineering Research Center for Tissue Restoration and Reconstruction and Innovation Center for Tissue Restoration and Reconstruction, Guangzhou, People's Republic of China
- Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, People's Republic of China
| | - Weiju Han
- National Engineering Research Center for Tissue Restoration and Reconstruction and Innovation Center for Tissue Restoration and Reconstruction, Guangzhou, People's Republic of China
- Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, People's Republic of China
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
| | - Zhichun He
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, People's Republic of China
- National Engineering Research Center for Tissue Restoration and Reconstruction and Innovation Center for Tissue Restoration and Reconstruction, Guangzhou, People's Republic of China
- Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, People's Republic of China
| | - Lijing Hao
- National Engineering Research Center for Tissue Restoration and Reconstruction and Innovation Center for Tissue Restoration and Reconstruction, Guangzhou, People's Republic of China
- Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, People's Republic of China
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
| | - Xiaoling Fu
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, People's Republic of China
- National Engineering Research Center for Tissue Restoration and Reconstruction and Innovation Center for Tissue Restoration and Reconstruction, Guangzhou, People's Republic of China
- Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, People's Republic of China
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19
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Yang X, Wu L, Li C, Li S, Hou W, Hao Y, Lu Y, Li L. Synergistic Amelioration of Osseointegration and Osteoimmunomodulation with a Microarc Oxidation-Treated Three-Dimensionally Printed Ti-24Nb-4Zr-8Sn Scaffold via Surface Activity and Low Elastic Modulus. ACS APPLIED MATERIALS & INTERFACES 2024; 16:3171-3186. [PMID: 38205810 DOI: 10.1021/acsami.3c16459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Biomaterial scaffolds, including bone substitutes, have evolved from being primarily a biologically passive structural element to one in which material properties such as surface topography and chemistry actively direct bone regeneration by influencing stem cells and the immune microenvironment. Ti-6Al-4V(Ti6Al4V) implants, with a significantly higher elastic modulus than human bone, may lead to stress shielding, necessitating improved stability at the bone-titanium alloy implant interface. Ti-24Nb-4Zr-8Sn (Ti2448), a low elastic modulus β-type titanium alloy devoid of potentially toxic elements, was utilized in this study. We employed 3D printing technology to fabricate a porous scaffold structure to further decrease the structural stiffness of the implant to approximate that of cancellous bone. Microarc oxidation (MAO) surface modification technology is then employed to create a microporous structure and a hydrophilic oxide ceramic layer on the surface and interior of the scaffold. In vitro studies demonstrated that MAO treatment enhances the proliferation, adhesion, and osteogenesis capabilities on the scaffold surface. The chemical composition of the MAO-Ti2448 oxide layer is found to enhance the transcription and expression of osteogenic genes in bone mesenchymal stem cells (BMSCs), potentially related to the enrichment of Nb2O5 and SnO2 in the oxide layer. The MAO-Ti2448 scaffold, with its synergistic surface activity and low stiffness, significantly activates the anti-inflammatory macrophage phenotype, creating an immune microenvironment that promotes the osteogenic differentiation of BMSCs. In vivo experiments in a rabbit model demonstrated a significant improvement in the quantity and quality of the newly formed bone trabeculae within the scaffold under the contact osteogenesis pattern with a matched elastic modulus. These trabeculae exhibit robust connections to the external structure of the scaffold, accelerating the formation of an interlocking structure between the bone and implant and providing higher implantation stability. These findings suggest that the MAO-Ti2448 scaffold has significant potential as a bone defect repair material by regulating osteoimmunomodulation and osteogenesis to enhance osseointegration. This study demonstrates an optional strategy that combines the mechanism of reducing the elastic modulus with surface modification treatment, thereby extending the application scope of β-type titanium alloy.
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Affiliation(s)
- Xinyue Yang
- Department of Orthopaedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110055, P.R. China
| | - Lijun Wu
- Engineering Research Center of High Entropy Alloy Materials (Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, P.R. China
| | - Cheng Li
- Department of Orthopaedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110055, P.R. China
| | - Shujun Li
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, P.R. China
| | - Wentao Hou
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, P.R. China
| | - Yulin Hao
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, P.R. China
| | - Yiping Lu
- Engineering Research Center of High Entropy Alloy Materials (Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, P.R. China
| | - Lei Li
- Department of Orthopaedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110055, P.R. China
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20
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Giusti V, Kaur G, Giusto E, Civiero L. Brain clearance of protein aggregates: a close-up on astrocytes. Mol Neurodegener 2024; 19:5. [PMID: 38229094 DOI: 10.1186/s13024-024-00703-1] [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: 07/17/2023] [Accepted: 01/05/2024] [Indexed: 01/18/2024] Open
Abstract
Protein misfolding and accumulation defines a prevailing feature of many neurodegenerative disorders, finally resulting in the formation of toxic intra- and extracellular aggregates. Intracellular aggregates can enter the extracellular space and be subsequently transferred among different cell types, thus spreading between connected brain districts.Although microglia perform a predominant role in the removal of extracellular aggregated proteins, mounting evidence suggests that astrocytes actively contribute to the clearing process. However, the molecular mechanisms used by astrocytes to remove misfolded proteins are still largely unknown.Here we first provide a brief overview of the progressive transition from soluble monomers to insoluble fibrils that characterizes amyloid proteins, referring to α-Synuclein and Tau as archetypical examples. We then highlight the mechanisms at the basis of astrocyte-mediated clearance with a focus on their potential ability to recognize, collect, internalize and digest extracellular protein aggregates. Finally, we explore the potential of targeting astrocyte-mediated clearance as a future therapeutic approach for the treatment of neurodegenerative disorders characterized by protein misfolding and accumulation.
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Affiliation(s)
| | - Gurkirat Kaur
- Department of Biology, University of Padova, Padua, Italy
| | | | - Laura Civiero
- IRCCS San Camillo Hospital, Venice, Italy.
- Department of Biology, University of Padova, Padua, Italy.
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21
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Li D, Tan X, Zheng L, Tang H, Hu S, Zhai Q, Jing X, Liang P, Zhang Y, He Q, Jian G, Fan D, Ji P, Chen T, Zhang H. A Dual-Antioxidative Coating on Transmucosal Component of Implant to Repair Connective Tissue Barrier for Treatment of Peri-Implantitis. Adv Healthc Mater 2023; 12:e2301733. [PMID: 37660274 DOI: 10.1002/adhm.202301733] [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: 05/31/2023] [Revised: 08/10/2023] [Indexed: 09/04/2023]
Abstract
Since the microgap between implant and surrounding connective tissue creates the pass for pathogen invasion, sustained pathological stimuli can accelerate macrophage-mediated inflammation, therefore affecting peri-implant tissue regeneration and aggravate peri-implantitis. As the transmucosal component of implant, the abutment therefore needs to be biofunctionalized to repair the gingival barrier. Here, a mussel-bioinspired implant abutment coating containing tannic acid (TA), cerium and minocycline (TA-Ce-Mino) is reported. TA provides pyrogallol and catechol groups to promote cell adherence. Besides, Ce3+ /Ce4+ conversion exhibits enzyme-mimetic activity to remove reactive oxygen species while generating O2 , therefore promoting anti-inflammatory M2 macrophage polarization to help create a regenerative environment. Minocycline is involved on the TA surface to create local drug storage for responsive antibiosis. Moreover, the underlying therapeutic mechanism is revealed whereby the coating exhibits exogenous antioxidation from the inherent properties of Ce and TA and endogenous antioxidation through mitochondrial homeostasis maintenance and antioxidases promotion. In addition, it stimulates integrin to activate PI3K/Akt and RhoA/ROCK pathways to enhance VEGF-mediated angiogenesis and tissue regeneration. Combining the antibiosis and multidimensional orchestration, TA-Ce-Mino repairs soft tissue barriers and effector cell differentiation, thereby isolating the immune microenvironment from pathogen invasion. Consequently, this study provides critical insight into the design and biological mechanism of abutment surface modification to prevent peri-implantitis.
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Affiliation(s)
- Dize Li
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Xi Tan
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Liwen Zheng
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Han Tang
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Shanshan Hu
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Qiming Zhai
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Xuan Jing
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, P. R. China
| | - Panpan Liang
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Yuxin Zhang
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Qingqing He
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Guangyu Jian
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Dongqi Fan
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Ping Ji
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Tao Chen
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Hongmei Zhang
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, 401147, P. R. China
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, 60637, USA
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22
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So WY, Wong CS, Azubuike UF, Paul CD, Sangsari PR, Gordon PB, Gong H, Maity TK, Lim P, Yang Z, Haryanto CA, Batchelor E, Jenkins LM, Morgan NY, Tanner K. YAP localization mediates mechanical adaptation of human cancer cells during extravasation in vivo. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.14.567015. [PMID: 38076880 PMCID: PMC10705547 DOI: 10.1101/2023.11.14.567015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Biophysical profiling of primary tumors has revealed that individual tumor cells fall along a highly heterogeneous continuum of mechanical phenotypes. One idea is that a subset of tumor cells is "softer" to facilitate detachment and escape from the primary site, a step required to initiate metastasis. However, it has also been postulated that cells must be able to deform and generate sufficient force to exit into distant sites. Here, we aimed to dissect the mechanical changes that occur during extravasation and organ colonization. Using multiplexed methods of intravital microscopy and optical tweezer based active microrheology, we obtained longitudinal images and mechanical profiles of cells during organ colonization in vivo. We determined that cells were softer, more liquid like upon exit of the vasculature but stiffened and became more solid like once in the new organ microenvironment. We also determined that a YAP mediated mechanogenotype influenced the global dissemination in our in vivo and in vitro models and that reducing mechanical heterogeneity could reduce extravasation. Moreover, our high throughput analysis of mechanical phenotypes of patient samples revealed that this mechanics was in part regulated by the external hydrodynamic forces that the cancer cells experienced within capillary mimetics. Our findings indicate that disseminated cancer cells can keep mutating with a continuum landscape of mechano-phenotypes, governed by the YAP-mediated mechanosensing of hydrodynamic flow.
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Affiliation(s)
- Woong Young So
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | - Claudia S. Wong
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | | | - Colin D. Paul
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | - Paniz Rezvan Sangsari
- National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health
| | | | - Hyeyeon Gong
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | - Tapan K. Maity
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | - Perry Lim
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | - Zhilin Yang
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | | | | | - Lisa M. Jenkins
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
| | - Nicole Y. Morgan
- National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health
| | - Kandice Tanner
- National Cancer Institute, National Institutes of Health (NIH), MD, USA
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23
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Wang D, Wei L, Hao J, Tang W, Zhou Y, Zhang C, Wang J. PCLLA-nanoHA Bone Substitute Promotes M2 Macrophage Polarization and Improves Alveolar Bone Repair in Diabetic Environments. J Funct Biomater 2023; 14:536. [PMID: 37998104 PMCID: PMC10671921 DOI: 10.3390/jfb14110536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/25/2023] Open
Abstract
The utilization of bioresorbable synthetic bone substitutes with immunomodulatory properties has gained significant attention in dental clinical applications for the absorption of alveolar bone induced by orthodontic treatment. In this study, we developed two distinct materials: a conventional hydroxyapatite (HA) bone powder comprised of hydroxyapatite particles and nanoHA embedded within a poly(caprolactone-co-lactide) (PCLLA) elastomeric matrix. We assessed the physicochemical characteristics of the bone substitute, specifically focusing on its composition and the controlled release of ions. Our findings show that PCLLA-nanoHA has deformable properties under 40 N, and a significant release of Ca and P elements was noted after 7 days in aqueous settings. Moreover, at the protein and gene expression levels, PCLLA-nanoHA enhances the capacity of macrophages to polarize towards an M2 phenotype in vitro. In vivo, PCLLA-nanoHA exhibits comparable effects to standard HA bone powder in terms of promoting alveolar bone regeneration. Extensive investigations reveal that PCLLA-nanoHA surpasses the commonly employed HA bone powder in stimulating bone tissue repair in diabetic mice. We have identified that PCLLA-nanoHA regulates macrophage M2 polarization by activating the PI3K/AKT and peroxisome proliferator-activated receptor gamma (PPAR) signaling pathways, thereby facilitating a favorable local immune microenvironment conducive to bone repair and regeneration. Our findings suggest that PCLLA-nanoHA presents itself as a promising bioresorbable bone substitute with properties that promote macrophage M2 polarization, particularly in the context of regulating the local microenvironment of alveolar bone in diabetic mice, potentially facilitating bone tissue regeneration.
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Affiliation(s)
- Dandan Wang
- Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China;
| | - Ling Wei
- Third Clinical Division, Peking University School and Hospital of Stomatology, Beijing 100081, China; (L.W.); (W.T.)
| | - Jialin Hao
- Department of Prosthodontics, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China;
| | - Weifeng Tang
- Third Clinical Division, Peking University School and Hospital of Stomatology, Beijing 100081, China; (L.W.); (W.T.)
| | - Yuan Zhou
- Shenzhen Stomatological Hospital, Southern Medical University, 1092 Jianshe Road, Luohu District, Shenzhen 518001, China
| | - Chenguang Zhang
- Guangdong Provincial Key Laboratory of Stomatology, Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510275, China
| | - Jinming Wang
- Guangdong Provincial Key Laboratory of Stomatology, Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510275, China
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24
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Liu Y, Suarez-Arnedo A, Riley L, Miley T, Xia J, Segura T. Spatial Confinement Modulates Macrophage Response in Microporous Annealed Particle (MAP) Scaffolds. Adv Healthc Mater 2023; 12:e2300823. [PMID: 37165945 PMCID: PMC10592513 DOI: 10.1002/adhm.202300823] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/17/2023] [Indexed: 05/12/2023]
Abstract
Macrophages are essential in the initiation, maintenance, and transition of inflammatory processes such as foreign body response and wound healing. Mounting evidence suggests that physical factors also modulate macrophage activation. 2D in vitro systems demonstrate that constraining macrophages to small areas or channels modulates their phenotypes and changes their responses to known inflammatory agents such as lipopolysaccharide. However, how dimensionality and pore size affect macrophage phenotype is less explored. In this work, the change in macrophage M1/M2 polarization when confined in microporous annealed particle (MAP) scaffolds is studied. Particles sizes (40, 70, and 130 µm) are selected using outputs from software LOVAMAP that analyzes the characteristics of 3D pores in MAP gels. As the size of building block particle correlates with pore size inside the scaffolds, the three types of scaffold allow us to study how the degree of spatial confinement modulates the behavior of embedded macrophages. Spatially confining macrophages in scaffolds with pore size on the scale of cells leads to a reduced level of the inflammatory response, which is correlated with a change in cell morphology and motility.
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Affiliation(s)
- Yining Liu
- Department of Biomedical Engineering, Duke University
| | | | - Lindsay Riley
- Department of Biomedical Engineering, Duke University
| | - Tasman Miley
- Department of Biomedical Engineering, Duke University
| | - Jingyi Xia
- Department of Biomedical Engineering, Duke University
| | - Tatiana Segura
- Department of Biomedical Engineering, Duke University
- Clinical Science Departments of Neurology and Dermatology, Duke University
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25
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Winer BY, Settle AH, Yakimov AM, Jeronimo C, Lazarov T, Tipping M, Saoi M, Sawh A, Sepp ALL, Galiano M, Wong YY, Perry JSA, Geissmann F, Cross J, Zhou T, Kam LC, Pasoli HA, Hohl T, Cyster JG, Weiner OD, Huse M. Plasma membrane abundance dictates phagocytic capacity and functional crosstalk in myeloid cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.12.556572. [PMID: 37745515 PMCID: PMC10515848 DOI: 10.1101/2023.09.12.556572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Professional phagocytes like neutrophils and macrophages tightly control what they eat, how much they eat, and when they move after eating. We show that plasma membrane abundance is a key arbiter of these cellular behaviors. Neutrophils and macrophages lacking the G-protein subunit Gb4 exhibit profound plasma membrane expansion due to enhanced production of sphingolipids. This increased membrane allocation dramatically enhances phagocytosis of bacteria, fungus, apoptotic corpses, and cancer cells. Gb4 deficient neutrophils are also defective in the normal inhibition of migration following cargo uptake. In Gb4 knockout mice, myeloid cells exhibit enhanced phagocytosis of inhaled fungal conidia in the lung but also increased trafficking of engulfed pathogens to other organs. These results reveal an unexpected, biophysical control mechanism lying at the heart of myeloid functional decision-making.
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Affiliation(s)
- Benjamin Y Winer
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
- Department of Microbiology and Immunology, University of California San Francisco; San Francisco, CA, USA
- Cardiovascular Research Institute, University of California San Francisco; San Francisco, CA, USA
- Department of Biochemistry and Biophysics, University of California San Francisco; San Francisco, CA, USA
| | - Alexander H Settle
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | | | - Carlos Jeronimo
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Tomi Lazarov
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Murray Tipping
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Michelle Saoi
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | | | - Anna-Liisa L Sepp
- Department of Biomedical Engineering, Columbia University; New York, NY, USA
| | - Michael Galiano
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Yung Yu Wong
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Justin S A Perry
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Frederic Geissmann
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Justin Cross
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Ting Zhou
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Lance C Kam
- Department of Biomedical Engineering, Columbia University; New York, NY, USA
| | - Hilda Amalia Pasoli
- Electron Microscopy Resource Center, The Rockefeller University; New York, NY, USA
| | - Tobias Hohl
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
| | - Jason G Cyster
- Department of Microbiology and Immunology, University of California San Francisco; San Francisco, CA, USA
- Howard Hughes Medical Institute; Chevy Chase, MD, USA
| | - Orion D Weiner
- Cardiovascular Research Institute, University of California San Francisco; San Francisco, CA, USA
- Department of Biochemistry and Biophysics, University of California San Francisco; San Francisco, CA, USA
| | - Morgan Huse
- Immunology Program, Memorial Sloan Kettering Cancer Center; New York, NY, USA
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26
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Zha K, Xiong Y, Zhang W, Tan M, Hu W, Lin Z, Cheng P, Lu L, Cai K, Mi B, Feng Q, Zhao Y, Liu G. Waste to Wealth: Near-Infrared/pH Dual-Responsive Copper-Humic Acid Hydrogel Films for Bacteria-Infected Cutaneous Wound Healing. ACS NANO 2023; 17:17199-17216. [PMID: 37624642 DOI: 10.1021/acsnano.3c05075] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
The clinical applications of currently used photosensitizers are limited by high costs, inconvenient preparation, suboptimal biodegradability, and a lack of biological activity. Humic acids (HAs) show photothermal activity and can be used as a photosensitizer for photothermal therapy. In the presence of various functional groups, HAs are endowed with anti-inflammatory and antioxidant activities. The solubility of HAs is dependent on the pH value, which is soluble in neutral to alkaline conditions and undergoes a conformational change to a coiled and compact structure in acidic conditions. Additionally, Cu2+ is an emerging therapeutic agent for cutaneous wounds and can be chelated by HAs to form complexes. In this study, we explore the ability of HAs to modulate the inflammatory response, particularly macrophage polarization, and the potential underlying mechanism. We fabricate a near-infrared (NIR)/pH dual-responsive Cu-HAs nanoparticle (NP)-based poly(vinyl alcohol) (PVA) hydrogel film loaded with SEW2871 (SEW), a macrophage recruitment agent, to treat bacteria-infected cutaneous wounds. The results show that HAs could promote M2 macrophage polarization in a dose-dependent manner. The Cu-HAs NPs successfully eradicated bacterial infection through NIR-induced local hyperthermia. This PVA@Cu-HAs NPs@SEW hydrogel film improves tissue regeneration by promoting M2 macrophage polarization, alleviating oxidative stress, enhancing angiogenesis, and facilitating collagen deposition. These findings highlight the therapeutic potential of PVA@Cu-HAs NPs@SEW hydrogel film for the treatment of bacterially infected cutaneous wound healing.
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Affiliation(s)
- Kangkang Zha
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Yuan Xiong
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637371, Singapore
| | - Wenqian Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Meijun Tan
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Weixian Hu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Ze Lin
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Peng Cheng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Li Lu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Bobin Mi
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637371, Singapore
| | - Qian Feng
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Yanli Zhao
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637371, Singapore
| | - Guohui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
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Yu Y, Xiao H, Tang G, Wang H, Shen J, Sun Y, Wang S, Kong W, Chai Y, Liu X, Wang X, Wen G. Biomimetic hydrogel derived from decellularized dermal matrix facilitates skin wounds healing. Mater Today Bio 2023; 21:100725. [PMID: 37483381 PMCID: PMC10359665 DOI: 10.1016/j.mtbio.2023.100725] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/15/2023] [Accepted: 07/06/2023] [Indexed: 07/25/2023] Open
Abstract
Cutaneous wound healing affecting millions of people worldwide represents an unsolvable clinical issue that is frequently challenged by scar formation with dramatical pain, impaired mobility and disfigurement. Herein, we prepared a kind of light-sensitive decellularized dermal extracellular matrix-derived hydrogel with fast gelling performance, biomimetic porous microstructure and abundant bioactive functions. On account of its excellent cell biocompatibility, this ECM-derived hydrogel could induce a marked cellular infiltration and enhance the tube formation of HUVECs. In vivo experiments based upon excisional wound splinting model showed that the hydrogel prominently imparted skin wound healing, as evidenced by notably increased skin appendages and well-organized collagen expression, coupled with significantly enhanced angiogenesis. Moreover, the skin regeneration mediated by this bioactive hydrogel was promoted by an accelerated M1-to-M2 macrophage phenotype transition. Consequently, the decellularized dermal matrix-derived bioactive hydrogel orchestrates the entire skin healing microenvironment to promote wound healing and will be of high value in treatment of cutaneous wound healing. As such, this biomimetic ddECMMA hydrogel provides a promising versatile opinion for the clinical translation.
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Affiliation(s)
- Yaling Yu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Huimin Xiao
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Guoke Tang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, 200080, China
| | - Hongshu Wang
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Junjie Shen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yi Sun
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Shuaiqun Wang
- College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China
| | - Wei Kong
- College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xuanzhe Liu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gen Wen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
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Di X, Gao X, Peng L, Ai J, Jin X, Qi S, Li H, Wang K, Luo D. Cellular mechanotransduction in health and diseases: from molecular mechanism to therapeutic targets. Signal Transduct Target Ther 2023; 8:282. [PMID: 37518181 PMCID: PMC10387486 DOI: 10.1038/s41392-023-01501-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 08/01/2023] Open
Abstract
Cellular mechanotransduction, a critical regulator of numerous biological processes, is the conversion from mechanical signals to biochemical signals regarding cell activities and metabolism. Typical mechanical cues in organisms include hydrostatic pressure, fluid shear stress, tensile force, extracellular matrix stiffness or tissue elasticity, and extracellular fluid viscosity. Mechanotransduction has been expected to trigger multiple biological processes, such as embryonic development, tissue repair and regeneration. However, prolonged excessive mechanical stimulation can result in pathological processes, such as multi-organ fibrosis, tumorigenesis, and cancer immunotherapy resistance. Although the associations between mechanical cues and normal tissue homeostasis or diseases have been identified, the regulatory mechanisms among different mechanical cues are not yet comprehensively illustrated, and no effective therapies are currently available targeting mechanical cue-related signaling. This review systematically summarizes the characteristics and regulatory mechanisms of typical mechanical cues in normal conditions and diseases with the updated evidence. The key effectors responding to mechanical stimulations are listed, such as Piezo channels, integrins, Yes-associated protein (YAP) /transcriptional coactivator with PDZ-binding motif (TAZ), and transient receptor potential vanilloid 4 (TRPV4). We also reviewed the key signaling pathways, therapeutic targets and cutting-edge clinical applications of diseases related to mechanical cues.
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Affiliation(s)
- Xingpeng Di
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Xiaoshuai Gao
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Liao Peng
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Jianzhong Ai
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Xi Jin
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Shiqian Qi
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Hong Li
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Kunjie Wang
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China.
| | - Deyi Luo
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China.
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Xu Y, Ying L, Lang JK, Hinz B, Zhao R. Modeling Mechanical Activation of Macrophages During Pulmonary Fibrogenesis for Targeted Anti-Fibrosis Therapy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.19.549794. [PMID: 37503121 PMCID: PMC10370161 DOI: 10.1101/2023.07.19.549794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Pulmonary fibrosis, as seen in idiopathic pulmonary fibrosis (IPF) and COVID-induced pulmonary fibrosis, is an often-fatal lung disease. Increased numbers of immune cells such as macrophages were shown to accumulate in the fibrotic lung, but it is unclear how they contribute to the development of fibrosis. To recapitulate the macrophage mechanical activation in the fibrotic lung tissue microenvironment, we developed a fibrotic microtissue model with cocultured human macrophages and fibroblasts. We show that profibrotic macrophages seeded on topographically controlled stromal tissue constructs become mechanically activated. The resulting co-alignment of macrophages, collagen fibers and fibroblasts promote widespread fibrogenesis in micro-engineered lung tissues. Anti-fibrosis treatment using pirfenidone disrupts the polarization and mechanical activation of profibrotic macrophages, leading to fibrosis inhibition. Pirfenidone inhibits the mechanical activation of macrophages by suppressing integrin αMβ2 (CD11b/CD18) and Rho-associated kinase 2, which is a previously unknown mechanism of action of the drug. Together, these results demonstrate a potential pulmonary fibrogenesis mechanism at the tissue level contributed by mechanically activated macrophages. We propose the coculture, force-sensing microtissue model as a powerful tool to study the complex immune-stromal cell interactions and the mechanism of action of anti-fibrosis drugs.
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30
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Fu Y, Jing Z, Chen T, Xu X, Wang X, Ren M, Wu Y, Wu T, Li Y, Zhang H, Ji P, Yang S. Nanotube patterning reduces macrophage inflammatory response via nuclear mechanotransduction. J Nanobiotechnology 2023; 21:229. [PMID: 37468894 DOI: 10.1186/s12951-023-01912-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 04/26/2023] [Indexed: 07/21/2023] Open
Abstract
The inflammatory immune environment surrounding titanium bone implants determines the formation of osseointegration, and nanopatterning on implant surfaces modulates the immune microenvironment in the implant region. Among many related mechanisms, the mechanism by which nanopatterning controls macrophage inflammatory response still needs to be elucidated. In this paper, we found that inhibition of the nuclear envelope protein lamin A/C by titania nanotubes (TNTs) reduced the macrophage inflammatory response. Knockdown of lamin A/C reduced macrophage inflammatory marker expression, while overexpression of lamin A/C significantly elevated inflammatory marker expression. We further found that suppression of lamin A/C by TNTs limited actin polymerization, thereby reducing the nuclear translocation of the actin-dependent transcriptional cofactor MRTF-A, which subsequently reduced the inflammatory response. In addition, emerin, which is a key link between lamin A/C and actin, was delocalized from the nucleus in response to mechanical stimulation by TNTs, resulting in reduced actin organization. Under inflammatory conditions, TNTs exerted favourable osteoimmunomodulatory effects on the osteogenic differentiation of mouse bone marrow-derived stem cells (mBMSCs) in vitro and osseointegration in vivo. This study shows and confirms for the first time that lamin A/C-mediated nuclear mechanotransduction controls macrophage inflammatory response, and this study provides a theoretical basis for the future design of immunomodulatory nanomorphologies on the surface of metallic bone implants.
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Affiliation(s)
- Yiru Fu
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Zheng Jing
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Tao Chen
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Xinxin Xu
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Xu Wang
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Mingxing Ren
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Yanqiu Wu
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Tianli Wu
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
| | - Yuzhou Li
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - He Zhang
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Ping Ji
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Sheng Yang
- College of Stomatology, Chongqing Medical University, 426# Songshi-bei Road, Yubei District, Chongqing, 401147, China.
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China.
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China.
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31
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Eroles M, Lopez-Alonso J, Ortega A, Boudier T, Gharzeddine K, Lafont F, Franz CM, Millet A, Valotteau C, Rico F. Coupled mechanical mapping and interference contrast microscopy reveal viscoelastic and adhesion hallmarks of monocyte differentiation into macrophages. NANOSCALE 2023. [PMID: 37378568 DOI: 10.1039/d3nr00757j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Monocytes activated by pro-inflammatory signals adhere to the vascular endothelium and migrate from the bloodstream to the tissue ultimately differentiating into macrophages. Cell mechanics and adhesion play a crucial role in macrophage functions during this inflammatory process. However, how monocytes change their adhesion and mechanical properties upon differentiation into macrophages is still not well understood. In this work, we used various tools to quantify the morphology, adhesion, and viscoelasticity of monocytes and differentiatted macrophages. Combination of atomic force microscopy (AFM) high resolution viscoelastic mapping with interference contrast microscopy (ICM) at the single-cell level revealed viscoelasticity and adhesion hallmarks during monocyte differentiation into macrophages. Quantitative holographic tomography imaging revealed a dramatic increase in cell volume and surface area during monocyte differentiation and the emergence of round and spread macrophage subpopulations. AFM viscoelastic mapping showed important stiffening (increase of the apparent Young's modulus, E0) and solidification (decrease of cell fluidity, β) on differentiated cells that correlated with increased adhesion area. These changes were enhanced in macrophages with a spread phenotype. Remarkably, when adhesion was perturbed, differentiated macrophages remained stiffer and more solid-like than monocytes, suggesting a permanent reorganization of the cytoskeleton. We speculate that the stiffer and more solid-like microvilli and lamellipodia might help macrophages to minimize energy dissipation during mechanosensitive activities. Thus, our results revealed viscoelastic and adhesion hallmarks of monocyte differentiation that may be important for biological function.
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Affiliation(s)
- Mar Eroles
- Aix-Marseille University, INSERM, CNRS, LAI, Turing Centre for Living Systems, Marseille, France.
| | - Javier Lopez-Alonso
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Alexandre Ortega
- Aix-Marseille University, INSERM, CNRS, LAI, Turing Centre for Living Systems, Marseille, France.
| | | | - Khaldoun Gharzeddine
- Univ.Grenoble Alpes, Inserm U1209, CNRS UMR5309, Institute for Advanced Biosciences, Team Mechanobiology, Immunity and Cancer, La Tronche, France
- Department of Hepatogastroenterology, Centre Hospitalier Universitaire de Grenoble Alpes, La Tronche, France
| | - Frank Lafont
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Clemens M Franz
- WPI Nano Life Science Institute, Kanazawa University, Kanazawa, Japan
| | - Arnaud Millet
- Univ.Grenoble Alpes, Inserm U1209, CNRS UMR5309, Institute for Advanced Biosciences, Team Mechanobiology, Immunity and Cancer, La Tronche, France
- Department of Hepatogastroenterology, Centre Hospitalier Universitaire de Grenoble Alpes, La Tronche, France
| | - Claire Valotteau
- Aix-Marseille University, INSERM, CNRS, LAI, Turing Centre for Living Systems, Marseille, France.
| | - Felix Rico
- Aix-Marseille University, INSERM, CNRS, LAI, Turing Centre for Living Systems, Marseille, France.
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Geng C, Wang X, Chen J, Sun N, Wang Y, Li Z, Han L, Hou S, Fan H, Li N, Gong Y. Repetitive Low-Level Blast Exposure via Akt/NF-κB Signaling Pathway Mediates the M1 Polarization of Mouse Alveolar Macrophage MH-S Cells. Int J Mol Sci 2023; 24:10596. [PMID: 37445774 DOI: 10.3390/ijms241310596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/19/2023] [Accepted: 05/24/2023] [Indexed: 07/15/2023] Open
Abstract
Repetitive low-level blast (rLLB) exposure is a potential risk factor for the health of soldiers or workers who are exposed to it as an occupational characteristic. Alveolar macrophages (AMs) are susceptible to external blast waves and produce pro-inflammatory or anti-inflammatory effects. However, the effect of rLLB exposure on AMs is still unclear. Here, we generated rLLB waves through a miniature manual Reddy-tube and explored their effects on MH-S cell morphology, phenotype transformation, oxidative stress status, and apoptosis by immunofluorescence, real-time quantitative PCR (qPCR), western blotting (WB) and flow cytometry. Ipatasertib (GDC-0068) or PDTC was used to verify the role of the Akt/NF-κB signaling pathway in these processes. Results showed that rLLB treatment could cause morphological irregularities and cytoskeletal disorders in MH-S cells and promote their polarization to the M1 phenotype by increasing iNOS, CD86 and IL-6 expression. The molecular mechanism is through the Akt/NF-κB signaling pathway. Moreover, we found reactive oxygen species (ROS) burst, Ca2+ accumulation, mitochondrial membrane potential reduction, and early apoptosis of MH-S cells. Taken together, our findings suggest rLLB exposure may cause M1 polarization and early apoptosis of AMs. Fortunately, it is blocked by specific inhibitors GDC-0068 or PDTC. This study provides a new treatment strategy for preventing and alleviating health damage in the occupational population caused by rLLB exposure.
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Affiliation(s)
- Chenhao Geng
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Xinyue Wang
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Jiale Chen
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Na Sun
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Yuru Wang
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Zizheng Li
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Lu Han
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Shike Hou
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Haojun Fan
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Ning Li
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Yanhua Gong
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
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33
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Qiu B, Yuan P, Du X, Jin H, Du J, Huang Y. Hypoxia inducible factor-1α is an important regulator of macrophage biology. Heliyon 2023; 9:e17167. [PMID: 37484306 PMCID: PMC10361316 DOI: 10.1016/j.heliyon.2023.e17167] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/13/2023] [Accepted: 06/08/2023] [Indexed: 07/25/2023] Open
Abstract
Hypoxia-inducible factor-1 (HIF-1), a heterodimeric transcription factor composed of the α and β subunits, regulates cellular adaptive responses to hypoxia. Macrophages, which are derived from monocytes, function as antigen-presenting cells that activate various immune responses. HIF-1α regulates the immune response, viability, migration, phenotypic plasticity, and metabolism of macrophages. Specifically, macrophage-derived HIF-1α can prevent excessive pro-inflammatory responses by attenuating the transcriptional activity of nuclear factor-kappa B in vivo and in vitro. HIF-1α modulates macrophage migration by inducing the release of various chemokines and providing necessary energy. HIF-1α promotes macrophage M1 polarization by targeting glucose metabolism. Additionally, HIF-1α induces the upregulation of glycolysis-related enzymes and intermediates of the tricarboxylic acid cycle and pentose phosphate pathway. HIF-1α promotes macrophage apoptosis, necroptosis and reduces autophagy. The current review highlights the mechanisms associated with the regulation of HIF-1α stabilization in macrophages as well as the role of HIF-1α in modulating the physiological functions of macrophages.
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Affiliation(s)
- Bingquan Qiu
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
| | - Piaoliu Yuan
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
| | - Xiaojuan Du
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
| | - Junbao Du
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
| | - Yaqian Huang
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
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Mahdinia E, Shokri N, Taheri AT, Asgharzadeh S, Elahimanesh M, Najafi M. Cellular crosstalk in atherosclerotic plaque microenvironment. Cell Commun Signal 2023; 21:125. [PMID: 37254185 DOI: 10.1186/s12964-023-01153-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 04/28/2023] [Indexed: 06/01/2023] Open
Abstract
Atherosclerosis is an underlying pathology of many vascular diseases as a result of cellular, structural and molecular dysfunctions within the sub-endothelial space. This review deals with the events involved in the formation, growth and remodeling of plaque, including the cell recruitment, cell polarization, and cell fat droplets. It also describes cross talking between endothelial cells, macrophages, and vascular smooth muscle cells, as well as the cellular pathways involved in plaque development in the plaque microenvironment. Finally, it describes the plaque structural components and the role of factors involved in the rupture and erosion of plaques in the vessel. Video Abstract.
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Affiliation(s)
- Elmira Mahdinia
- Department of Clinical Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nafiseh Shokri
- Department of Clinical Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Abdolkarim Talebi Taheri
- Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Asgharzadeh
- Department of Clinical Biochemistry, Faculty of Medicine, Ghazvin University of Medical Sciences, Ghazvin, Iran
| | - Mohammad Elahimanesh
- Department of Clinical Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Najafi
- Department of Clinical Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Microbial Biotechnology Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Wang T, Liu Y, Zhou Y, Liu Q, Zhang Q, Sun M, Sun M, Li H, Xu A, Liu Y. Astaxanthin protected against the adverse effects induced by diesel exhaust particulate matter via improving membrane stability and anti-oxidative property. JOURNAL OF HAZARDOUS MATERIALS 2023; 456:131684. [PMID: 37236114 DOI: 10.1016/j.jhazmat.2023.131684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/27/2023] [Accepted: 05/21/2023] [Indexed: 05/28/2023]
Abstract
Diesel exhaust particulate matter (DPM), which has been clarified as a Group I carcinogenic agent, is still challenging in its detoxification due to the complex composition and toxic mechanisms. Astaxanthin (AST) is a pleiotropic small biological molecule widely used in medical and healthcare with surprising effects and applications. The present study aimed to investigate the protective effects of AST on DPM-induced injury and the underlying mechanism. Our results indicated that AST significantly suppressed the generation of phosphorylated histone H2AX (γ-H2AX, marker of DNA damage) and inflammation caused by DPM both in vitro and in vivo. Mechanistically, AST prevented the endocytosis and intracellular accumulation of DPM via regulating the stability and fluidity of plasma membranes. Moreover, the oxidative stress elicited by DPM in cells could also be effectively inhibited by AST, together with protecting the structure and function of mitochondria. These investigations provided clear evidence that AST notably reduced DPM invasion and intracellular accumulation by modulating the membrane-endocytotic pathway, which eventually reduced intracellular oxidative stress caused by DPM. Our data might provide a novel clue for curing and treating the harmful effects of particulate matter.
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Affiliation(s)
- Tong Wang
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; University of Science and Technology of China, Hefei, Anhui 230026, PR China
| | - Ying Liu
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China
| | - Yemian Zhou
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; University of Science and Technology of China, Hefei, Anhui 230026, PR China
| | - Qiao Liu
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; Department of Pathophysiology, Anhui Medical University, Hefei, Anhui 230032, PR China
| | - Qixing Zhang
- University of Science and Technology of China, Hefei, Anhui 230026, PR China
| | - Mengzi Sun
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; Department of Pathophysiology, Anhui Medical University, Hefei, Anhui 230032, PR China
| | - Meng Sun
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; University of Science and Technology of China, Hefei, Anhui 230026, PR China
| | - Han Li
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; University of Science and Technology of China, Hefei, Anhui 230026, PR China
| | - An Xu
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China; Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, PR China.
| | - Yun Liu
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology; Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, CAS; High Magnetic Field Laboratory, Hefei Institutes of Physical Science, CAS, Hefei, Anhui, 230031, P. R. China.
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Shao J, Li J, Weng L, Cheng K, Weng W, Sun Q, Wu M, Lin J. Remote Activation of M2 Macrophage Polarization via Magneto-Mechanical Stimulation To Promote Osteointegration. ACS Biomater Sci Eng 2023; 9:2483-2494. [PMID: 37092608 DOI: 10.1021/acsbiomaterials.3c00080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Osteoimmunomodulation has been considered to play a key role in osteointegration of orthopedic biomaterials. However, regulation of the macrophage phenotype in vivo with a spatiotemporal controllable way still remains a challenge. In this study, we designed a novel magnetic-responsive mineralized collagen coating to exert remotely controlled magneto-mechanical stimulation on macrophages using an external magnetic field. The magneto-mechanical stimulation exhibited immunomodulatory capability to activate M2 macrophage polarization via triggering the integrin-related cascade pathway and suppressing the phosphorylation of JNK in the MAPK pathway. The optimized inflammatory microenvironment subsequently promoted the osteogenic differentiation of bone marrow-derived mesenchymal stem cells and the osteointegration in vivo. This work, therefore, provides a remote spatiotemporal controllable strategy to promote the osteointegration of orthopedic biomaterials via regulation of the osteoimmune microenvironment.
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Affiliation(s)
- Jiaqi Shao
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Juan Li
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Luxi Weng
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Kui Cheng
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
| | - Wenjian Weng
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
| | - Qiang Sun
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
| | - Mengjie Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
| | - Jun Lin
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
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Kalashnikov N, Moraes C. Substrate viscoelasticity affects human macrophage morphology and phagocytosis. SOFT MATTER 2023; 19:2438-2445. [PMID: 36930245 DOI: 10.1039/d2sm01683d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Viscoelasticity is an inherent characteristic of many living tissues and, in an attempt to better recapitulate this aspect in cell culture, hydrogel biomaterials have been engineered to exhibit time-dependent energy-dissipative mechanical behavior. Viscoelastic hydrogel culture platforms have been instrumental in understanding the biological effects of viscoelasticity. Although viscoelasticity has been shown to regulate fundamental cell processes such as spreading and differentiation in adherent cells, the influence of viscoelasticity on macrophage behavior has not been explored. Here, we use a tunable viscoelastic polyacrylamide hydrogel culture system to demonstrate that viscoelasticity is an important biophysical regulator of macrophage function. After biologically validating our system with HS-5 fibroblasts to show behavior consistent with existing reports, we seed human THP-1 monocytes on these viscoelastic substrates and differentiate them into macrophages. THP-1 macrophages become smaller and rounder, and less efficient at phagocytosis on more viscous polyacrylamide hydrogel substrates. Since macrophages play key roles in mounting responses such as inflammation and fibrosis, these results indicate that viscoelasticity is an important parameter in the design of immunomodulatory biomaterials.
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Affiliation(s)
- Nikita Kalashnikov
- Department of Chemical Engineering, McGill University, Montreal, Canada.
| | - Christopher Moraes
- Department of Chemical Engineering, McGill University, Montreal, Canada.
- Department of Biological and Biomedical Engineering, McGill University, Montreal, Canada
- Goodman Cancer Research Center, McGill University, Montreal, Canada
- Division of Experimental Medicine, McGill University, Montreal, Canada
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38
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Biophysical determinants of cancer organotropism. Trends Cancer 2023; 9:188-197. [PMID: 36494310 DOI: 10.1016/j.trecan.2022.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022]
Abstract
Metastasis remains the leading cause of cancer lethality. The 'seed/soil' hypothesis provides the framework to explain this cancer phenomenon where the concept of organotropism has been in part mechanistically explained by the properties of the tumor cells and their compatibility with the stromal environment of the distal site. The 'mechanical' hypothesis counters that non-random seeding is driven solely by the circulation patterns and vascular networks of organ systems. We incorporate concepts of mechanobiology and revisit the two hypotheses to provide additional insights into the mechanisms that regulate organ selection during metastatic outgrowth. We focus on the latter stages of the metastatic cascade and examine the role of the endothelium in regulating organ selectivity.
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Schulze F, Perino G, Rakow A, Wassilew G, Schoon J. Noninfectious tissue interactions at periprosthetic interfaces. ORTHOPADIE (HEIDELBERG, GERMANY) 2023; 52:186-195. [PMID: 36853395 DOI: 10.1007/s00132-023-04352-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/24/2023] [Indexed: 03/01/2023]
Abstract
The success of hip arthroplasty is based on modern materials in addition to the continuous development of surgical techniques and clinical experience gained over six decades. The biocompatible implant materials used in hip arthroplasty can be textured or coated with biomimetic surfaces to ensure durable component ingrowth and moderate host response. Material integrity plays a critical role in the durability of the stable interface between implant components and periprosthetic tissues. Inflammation at the interfaces due to the release of degradation products from the implant materials is one of the causes of hip arthroplasty failure. This review summarizes the implant materials currently used in hip arthroplasty, their preclinical testing and the postoperative neogenesis of periprosthetic tissues, and the interactions of periprosthetic bone and the implant materials at the periprosthetic interfaces.
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Affiliation(s)
- Frank Schulze
- Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, F.-Sauerbruch-Straße, 17475, Greifswald, Germany
| | - Giorgio Perino
- Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, F.-Sauerbruch-Straße, 17475, Greifswald, Germany
| | - Anastasia Rakow
- Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, F.-Sauerbruch-Straße, 17475, Greifswald, Germany
| | - Georgi Wassilew
- Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, F.-Sauerbruch-Straße, 17475, Greifswald, Germany.
| | - Janosch Schoon
- Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, F.-Sauerbruch-Straße, 17475, Greifswald, Germany
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40
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Towards using 3D cellular cultures to model the activation and diverse functions of macrophages. Biochem Soc Trans 2023; 51:387-401. [PMID: 36744644 PMCID: PMC9987999 DOI: 10.1042/bst20221008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/25/2022] [Accepted: 01/19/2023] [Indexed: 02/07/2023]
Abstract
The advent of 3D cell culture technology promises to enhance understanding of cell biology within tissue microenvironments. Whilst traditional cell culturing methods have been a reliable tool for decades, they inadequately portray the complex environments in which cells inhabit in vivo. The need for better disease models has pushed the development of effective 3D cell models, providing more accurate drug screening assays. There has been great progress in developing 3D tissue models in fields such as cancer research and regenerative medicine, driven by desires to recreate the tumour microenvironment for the discovery of new chemotherapies, or development of artificial tissues or scaffolds for transplantation. Immunology is one field that lacks optimised 3D models and the biology of tissue resident immune cells such as macrophages has yet to be fully explored. This review aims to highlight the benefits of 3D cell culturing for greater understanding of macrophage biology. We review current knowledge of macrophage interactions with their tissue microenvironment and highlight the potential of 3D macrophage models in the development of more effective treatments for disease.
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41
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Silk fibroin bioscaffold from Bombyx mori and Antheraea assamensis elicits a distinct host response and macrophage activation paradigm in vivo and in vitro. BIOMATERIALS ADVANCES 2023; 145:213223. [PMID: 36502549 DOI: 10.1016/j.bioadv.2022.213223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/10/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022]
Abstract
Biomaterials composed of silk fibroin from both mulberry and non-mulberry silkworm varieties have been investigated for their utility in tissue engineering and drug delivery, but these studies have largely excluded any evaluation of host immune response. The present study compares the macrophage activation response towards mulberry (Bombyx mori, BM) and non-mulberry (Antheraea assamensis, AA) silk types, individually and as a blend (BA) in a partial thickness rat abdominal wall defect model and in vitro primary murine bone marrow-derived macrophage (BMDM) assay. Biologic materials composed of liver extracellular matrix (LECM) and small intestinal submucosa (SIS) ECM that are recognized for constructive tissue remodeling, and polypropylene mesh that is associated with pro-inflammatory macrophage phenotype activation are used as controls in the animal model. The AA silk graft shows a host response similar to SIS with few foreign body multinucleate giant cells, vascularization, high CD206 expression, and high M2-like: M1-like macrophage phenotype ratio. Exposure to AA silk degradation products in vitro induces a higher arginase: iNOS ratio in both naive BMDM and pro-inflammatory activated BMDM; and higher Fizz1: iNOS ratio in pro-inflammatory activated BMDM. These data suggest that the AA silk supports a pro-remodeling macrophage response with potential therapeutic applications.
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Hu J, Chen Q, Zhu H, Hou L, Liu W, Yang Q, Shen H, Chai G, Zhang B, Chen S, Cai Z, Wu C, Hong F, Li H, Chen S, Xiao N, Wang ZX, Zhang X, Wang B, Zhang L, Mo W. Microglial Piezo1 senses Aβ fibril stiffness to restrict Alzheimer's disease. Neuron 2023; 111:15-29.e8. [PMID: 36368316 DOI: 10.1016/j.neuron.2022.10.021] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 08/15/2022] [Accepted: 10/12/2022] [Indexed: 11/12/2022]
Abstract
The pathology of Alzheimer's disease (AD) is featured with extracellular amyloid-β (Aβ) plaques, whose impact on the mechanical properties of the surrounding brain tissues is unclear. Microglia sense and integrate biochemical cues of the microenvironment. However, whether the microglial mechanosensing pathways influence AD pathogenesis is unknown. Here, we surveyed the elevated stiffness of Aβ-plaque-associated tissues and observed the selective upregulation of the mechanosensitive ion channel Piezo1 in Aβ-plaque-associated microglia. Piezo1 sensed the stiffness stimuli of Aβ fibrils and subsequently induced Ca2+ influx for microglial clustering, phagocytosis, and compacting of Aβ plaques. Microglia lacking Piezo1 led to the exacerbation of Aβ pathology and cognitive decline, whereas pharmacological activation of microglial Piezo1 ameliorated brain Aβ burden and cognitive impairment in 5 × FAD mice. Together, our results reveal that Piezo1, a mechanosensor of Aβ fibril stiffness in microglia, represents a potential therapeutic target for AD.
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Affiliation(s)
- Jin Hu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China.
| | - Qiang Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Hongrui Zhu
- Department of Anesthesiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Lichao Hou
- Department of Anesthesiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Wei Liu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Qihua Yang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Huidan Shen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China; Department of Anesthesiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Guolin Chai
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Boxin Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Shaoxuan Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Zhiyu Cai
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Chongxin Wu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Fan Hong
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Hongda Li
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Sifang Chen
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, the First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Naian Xiao
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, the First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Zhan-Xiang Wang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, the First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Xueqin Zhang
- Department of Obstetrics, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Bo Wang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Liang Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China.
| | - Wei Mo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China.
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43
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Abstract
Immune responses are governed by signals from the tissue microenvironment, and in addition to biochemical signals, mechanical cues and forces arising from the tissue, its extracellular matrix and its constituent cells shape immune cell function. Indeed, changes in biophysical properties of tissue alter the mechanical signals experienced by cells in many disease conditions, in inflammatory states and in the context of ageing. These mechanical cues are converted into biochemical signals through the process of mechanotransduction, and multiple pathways of mechanotransduction have been identified in immune cells. Such pathways impact important cellular functions including cell activation, cytokine production, metabolism, proliferation and trafficking. Changes in tissue mechanics may also represent a new form of 'danger signal' that alerts the innate and adaptive immune systems to the possibility of injury or infection. Tissue mechanics can change temporally during an infection or inflammatory response, offering a novel layer of dynamic immune regulation. Here, we review the emerging field of mechanoimmunology, focusing on how mechanical cues at the scale of the tissue environment regulate immune cell behaviours to initiate, propagate and resolve the immune response.
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44
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Zhang B, Galluzzi M, Zhou G, Yu H. A study of macrophage mechanical properties and functional modulation based on the Young's modulus of PLGA-PEG fibers. Biomater Sci 2022; 11:153-161. [PMID: 36385648 DOI: 10.1039/d2bm01351g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The immune response of macrophages plays an important role in defending against viral infection, tumor deterioration and repairing of contused tissue. Macrophage functional differentiation induced by nanodrugs is the leading edge of current research, but nanodrugs have toxic side effects, and the influence of their physical properties on macrophages is not clear. Here we create an alternative way to modulate macrophage function through PLGA-PEG fibers' Young's modulus. Previously, we revealed that by controlling the Young's modulus of the fibers from kPa to MPa, all the fibers entered murine macrophage cells (RWA 264.7) in a similar manner, and based on that, we found that macrophages' mechanical properties were affected by the fibers' Young's modulus, that is, hard fibers with a Young's modulus of ∼1 MPa increased the cell average Young's modulus, but did not affect the cell shape, while soft fibers with a Young's modulus of ∼100 kPa decreased the cell average Young's modulus and modulated the cell shape to a more spherical one. On the other hand, only the soft fibers induced proinflammatory cytokine secretion, indicating an M1 macrophage functional modulation by low Young's modulus fibers. This study explored the mechanical properties of the interactions between PLGA-PEG fibers and cells, in particular, when guiding the direction of the modulation of macrophage function, which is of great significance for the applications of material biology in the biomedical field.
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Affiliation(s)
- Bokai Zhang
- DGENE (Dongjin) Bighealth (Shenzhen) Co., Ltd, P.R. China. .,BenHealth Biopharmaceutical (Shenzhen) Co., Ltd, P.R. China.,Materials and Interfaces Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Science, Shenzhen 518055, Guangdong, China
| | - Massimiliano Galluzzi
- Materials and Interfaces Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Science, Shenzhen 518055, Guangdong, China
| | - Guoqiao Zhou
- Materials and Interfaces Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Science, Shenzhen 518055, Guangdong, China
| | - Haoyang Yu
- DGENE (Dongjin) Bighealth (Shenzhen) Co., Ltd, P.R. China. .,BenHealth Biopharmaceutical (Shenzhen) Co., Ltd, P.R. China
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45
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Soni SS, D'Elia AM, Alsasa A, Cho S, Tylek T, O'Brien EM, Whitaker R, Spiller KL, Rodell CB. Sustained release of drug-loaded nanoparticles from injectable hydrogels enables long-term control of macrophage phenotype. Biomater Sci 2022; 10:6951-6967. [PMID: 36341688 PMCID: PMC9724601 DOI: 10.1039/d2bm01113a] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Injectable hydrogels may be pre-formed through dynamic crosslinks, allowing for injection and subsequent retention in the tissue by shear-thinning and self-healing processes, respectively. These properties enable the site-specific delivery of encapsulated therapeutics; yet, the sustained release of small-molecule drugs and their cell-targeted delivery remains challenging due to their rapid diffusive release and non-specific cellular biodistribution. Herein, we develop an injectable hydrogel system composed of a macrophage-targeted nanoparticle (cyclodextrin nanoparticles, CDNPs) crosslinked by adamantane-modified hyaluronic acid (Ad-HA). The polymer-nanoparticle hydrogel uniquely leverages cyclodextrin's interaction with small molecule drugs to create a spatially discrete drug reservoir and with adamantane to yield dynamic, injectable hydrogels. Through an innovative two-step drug screening approach and examination of 45 immunomodulatory drugs with subsequent in-depth transcriptional profiling of both murine and human macrophages, we identify celastrol as a potent inhibitor of pro-inflammatory (M1-like) behavior that furthermore promotes a reparatory (M2-like) phenotype. Celastrol encapsulation within the polymer-nanoparticle hydrogels permitted shear-thinning injection and sustained release of drug-laden nanoparticles that targeted macrophages to modulate cell behavior for greater than two weeks in vitro. The modular hydrogel system is a promising approach to locally modulate cell-specific phenotype in a range of applications for immunoregenerative medicine.
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Affiliation(s)
- Shreya S Soni
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Arielle M D'Elia
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Abdulrahman Alsasa
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Sylvia Cho
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Tina Tylek
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Erin M O'Brien
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Ricardo Whitaker
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Kara L Spiller
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Christopher B Rodell
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
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Liao Z, Niu Y, Wang Z, Chen J, Sun X, Dong L, Wang C. A "Nonsolvent Quenching" Strategy for 3D Printing of Polysaccharide Scaffolds with Immunoregulatory Accuracy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203236. [PMID: 36156431 PMCID: PMC9731704 DOI: 10.1002/advs.202203236] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/07/2022] [Indexed: 05/10/2023]
Abstract
3D printing enables the customized design of implant structures for accurately regulating host responses. However, polysaccharides, as a major biomaterial category with versatile immune activities, are typically "non-printable" due to the collapse of their filaments extruded during printing. This challenge renders their potential as immunomodulatory scaffolds underexploited. Here, inspired by the quench hardening in metal processing, a nonsolvent quenching (NSQ) strategy is innovatively designed for the 3D printing of polysaccharides. Through rapid solvent exchanging, NSQ instantly induces surface hardening to strengthen the polysaccharide filaments upon extrusion, requiring neither chemical modification nor physical blending that alters the material properties. Tested with five polysaccharides with varying physicochemical properties, NSQ prints predesigned structures at organ-relevant scales and a long shelf-life over 3 months. Glucomannan scaffolds, fabricated via NSQ with different grid spacings (1.5 and 2.5 cm), induce distinct host responses upon murine subcutaneous implantation-from specific carbohydrate receptor activation to differential immunocytes accumulation and tissue matrix remodeling-as mechanistically validated in wild-type and Tlr2-/- knockout mice. Overall, NSQ as a facile and generic strategy is demonstrated to fabricate polysaccharide scaffolds with improved shape fidelity, thereby potentially unmasking their accurate immunomodulatory activities for future biomaterials design.
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Affiliation(s)
- Zhencheng Liao
- State Key Laboratory of Quality Research in Chinese MedicineInstitute of Chinese Medicine & Department of Pharmaceutical SciencesFaculty of Health ScienceUniversity of MacauTaipaMacau SAR999078China
| | - Yiming Niu
- State Key Laboratory of Quality Research in Chinese MedicineInstitute of Chinese Medicine & Department of Pharmaceutical SciencesFaculty of Health ScienceUniversity of MacauTaipaMacau SAR999078China
| | - Zhenzhen Wang
- State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsu210093China
| | - Jiaxi Chen
- State Key Laboratory of Quality Research in Chinese MedicineInstitute of Chinese Medicine & Department of Pharmaceutical SciencesFaculty of Health ScienceUniversity of MacauTaipaMacau SAR999078China
- Zhuhai UM Science & Technology Research Institute (ZUMRI)HengqinGuangdong519031China
| | - Xiaoyan Sun
- Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and 4th Medical CenterPLA General Hospital and PLA Medical College28 Fu Xing RoadBeijing100853P. R. China
| | - Lei Dong
- State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsu210093China
| | - Chunming Wang
- State Key Laboratory of Quality Research in Chinese MedicineInstitute of Chinese Medicine & Department of Pharmaceutical SciencesFaculty of Health ScienceUniversity of MacauTaipaMacau SAR999078China
- Zhuhai UM Science & Technology Research Institute (ZUMRI)HengqinGuangdong519031China
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Toita R, Kang JH, Tsuchiya A. Phosphatidylserine liposome multilayers mediate the M1-to-M2 macrophage polarization to enhance bone tissue regeneration. Acta Biomater 2022; 154:583-596. [PMID: 36273800 DOI: 10.1016/j.actbio.2022.10.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 12/14/2022]
Abstract
An appropriate immune microenvironment, governed by macrophages, is essential for rapid tissue regeneration after biomaterial implantation. The macrophage phenotypes, M1 (inflammatory) and M2 (anti-inflammatory/healing), exert opposing effects on the repair of various tissues. In this study, a new strategy to promote tissue repair and tissue-to-biomaterial integration by M1-to-M2 macrophage transition using artificial apoptotic cell mimetics (phosphatidylserine liposomes; PSLs) was developed using bone as a model tissue. Titanium was also selected as a model substrate material because it is widely used for dental and orthopedic implants. Titanium implants were functionalized with multilayers via layer-by-layer assembly of cationic protamine and negatively charged PSLs that were chemically stabilized to prevent disruption of lipid bilayers. Samples carrying PSL multilayers could drive M1-type macrophages into M2-biased phenotypes, resulting in a dramatic change in macrophage secretion for tissue regeneration. In a rat femur implantation model, the PSL-multilayer-coated implant displayed augmented de novo bone formation and bone-to-implant integration, associated with an increased M1-to-M2-like phenotypic transition. This triggered the proper generation and activation of bone-forming osteoblasts and bone-resorbing osteoclasts relative to their uncoated counterparts. This study demonstrates the benefit of local M1-to-M2 macrophage polarization induced by PSL-multilayers constructed on implants for potent bone regeneration and bone-to-implant integration. The results of this study may help in the design of new immunomodulatory biomaterials. STATEMENT OF SIGNIFICANCE: Effective strategies for tissue regeneration are essential in the clinical practice. The macrophage phenotypes, M1 (inflammatory) and M2 (anti-inflammatory/healing), exert opposing effects on the repair of various tissues. Artificially produced phosphatidylserine-containing liposomes (PSLs) can induce M2 macrophage polarization by mimicking the inverted plasma membranes of apoptotic cells. This study demonstrates the advantages of local M1-to-M2 macrophage polarization induced by PSL-multilayers constructed on implants for effective bone regeneration and osseointegration (bone-to-implant integration). Mechanistically, M2 macrophages promote osteogenesis but inhibit osteoclastogenesis, and M1 macrophages vice versa. We believe that our study makes a significant contribution to the design of new immunomodulatory biomaterials for regenerative medicine because it is the first to validate the benefit of PSLs for tissue regeneration.
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Affiliation(s)
- Riki Toita
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan; AIST-Osaka University Advanced Photonics and Biosensing Open Innovation Laboratory, AIST, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Jeong-Hun Kang
- Division of Biopharmaceutics and Pharmacokinetics, National Cerebral and Cardiovascular Center Research Institute, 6-1 Shinmachi, Kishibe, Suita, Osaka, 564-8565, Japan
| | - Akira Tsuchiya
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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Merino-Casallo F, Gomez-Benito MJ, Hervas-Raluy S, Garcia-Aznar JM. Unravelling cell migration: defining movement from the cell surface. Cell Adh Migr 2022; 16:25-64. [PMID: 35499121 PMCID: PMC9067518 DOI: 10.1080/19336918.2022.2055520] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/10/2022] [Indexed: 12/13/2022] Open
Abstract
Cell motility is essential for life and development. Unfortunately, cell migration is also linked to several pathological processes, such as cancer metastasis. Cells' ability to migrate relies on many actors. Cells change their migratory strategy based on their phenotype and the properties of the surrounding microenvironment. Cell migration is, therefore, an extremely complex phenomenon. Researchers have investigated cell motility for more than a century. Recent discoveries have uncovered some of the mysteries associated with the mechanisms involved in cell migration, such as intracellular signaling and cell mechanics. These findings involve different players, including transmembrane receptors, adhesive complexes, cytoskeletal components , the nucleus, and the extracellular matrix. This review aims to give a global overview of our current understanding of cell migration.
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Affiliation(s)
- Francisco Merino-Casallo
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
| | - Maria Jose Gomez-Benito
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
| | - Silvia Hervas-Raluy
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
| | - Jose Manuel Garcia-Aznar
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
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Sharma S, Madhyastha H, Kirwale SS, Sakai K, Katakia YT, Majumder S, Roy A. Dual antibacterial and anti-inflammatory efficacy of a chitosan-chondroitin sulfate-based in-situ forming wound dressing. Carbohydr Polym 2022; 298:120126. [DOI: 10.1016/j.carbpol.2022.120126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/02/2022]
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Shirazi S, Ravindran S, Cooper LF. Topography-mediated immunomodulation in osseointegration; Ally or Enemy. Biomaterials 2022; 291:121903. [PMID: 36410109 PMCID: PMC10148651 DOI: 10.1016/j.biomaterials.2022.121903] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Osteoimmunology is at full display during endosseous implant osseointegration. Bone formation, maintenance and resorption at the implant surface is a result of bidirectional and dynamic reciprocal communication between the bone and immune cells that extends beyond the well-defined osteoblast-osteoclast signaling. Implant surface topography informs adherent progenitor and immune cell function and their cross-talk to modulate the process of bone accrual. Integrating titanium surface engineering with the principles of immunology is utilized to harness the power of immune system to improve osseointegration in healthy and diseased microenvironments. This review summarizes current information regarding immune cell-titanium implant surface interactions and places these events in the context of surface-mediated immunomodulation and bone regeneration. A mechanistic approach is directed in demonstrating the central role of osteoimmunology in the process of osseointegration and exploring how regulation of immune cell function at the implant-bone interface may be used in future control of clinical therapies. The process of peri-implant bone loss is also informed by immunomodulation at the implant surface. How surface topography is exploited to prevent osteoclastogenesis is considered herein with respect to peri-implant inflammation, osteoclastic precursor-surface interactions, and the upstream/downstream effects of surface topography on immune and progenitor cell function.
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Affiliation(s)
- Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA.
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA
| | - Lyndon F Cooper
- School of Dentistry, Virginia Commonwealth University, Richmond, VA, USA.
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