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Tilinova OM, Inozemtsev V, Sherstyukova E, Kandrashina S, Pisarev M, Grechko A, Vorobjeva N, Sergunova V, Dokukin ME. Cell Surface Parameters for Accessing Neutrophil Activation Level with Atomic Force Microscopy. Cells 2024; 13:306. [PMID: 38391919 PMCID: PMC10886474 DOI: 10.3390/cells13040306] [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: 12/11/2023] [Revised: 01/19/2024] [Accepted: 02/04/2024] [Indexed: 02/24/2024] Open
Abstract
In this study, we examine the topography and adhesion images of the cell surface of neutrophils during the activation process. Our analysis of cell surface parameters indicates that the most significant changes in neutrophils occur within the first 30 min of activation, suggesting that reactive oxygen species may require approximately this amount of time to activate the cells. Interestingly, we observed surface granular structure as early as 10 min after neutrophil activation when examining atomic force microscopy images. This finding aligns with the reorganization observed within the cells under confocal laser scanning microscopy. By analyzing the cell surface images of adhesion, we identified three spatial surface parameters that correlate with the activation time. This finding enables us to estimate the degree of activation by using atomic force microscopy maps of the cell surface.
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Affiliation(s)
| | - Vladimir Inozemtsev
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Ekaterina Sherstyukova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Snezhanna Kandrashina
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Mikhail Pisarev
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Andrey Grechko
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Nina Vorobjeva
- Department of Immunology, Biology Faculty, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Viktoria Sergunova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Maxim E Dokukin
- Sarov Physics and Technology Institute, MEPhI, 607186 Sarov, Russia
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McCreery KP, Xu X, Scott AK, Fajrial AK, Calve S, Ding X, Neu CP. Nuclear Stiffness Decreases with Disruption of the Extracellular Matrix in Living Tissues. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006699. [PMID: 33470544 PMCID: PMC7891867 DOI: 10.1002/smll.202006699] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/04/2020] [Indexed: 05/04/2023]
Abstract
Reciprocal interactions between the cell nucleus and the extracellular matrix lead to macroscale tissue phenotype changes. However, little is known about how the extracellular matrix environment affects gene expression and cellular phenotype in the native tissue environment. Here, it is hypothesized that enzymatic disruption of the tissue matrix results in a softer tissue, affecting the stiffness of embedded cell and nuclear structures. The aim is to directly measure nuclear mechanics without perturbing the native tissue structure to better understand nuclear interplay with the cell and tissue microenvironments. To accomplish this, an atomic force microscopy needle-tip probe technique that probes nuclear stiffness in cultured cells to measure the nuclear envelope and cell membrane stiffness within native tissue is expanded. This technique is validated by imaging needle penetration and subsequent repair of the plasma and nuclear membranes of HeLa cells stably expressing the membrane repair protein CHMP4B-GFP. In the native tissue environment ex vivo, it is found that while enzymatic degradation of viable cartilage tissues with collagenase 3 (MMP-13) and aggrecanase-1 (ADAMTS-4) decreased tissue matrix stiffness, cell and nuclear membrane stiffness is also decreased. Finally, the capability for cell and nucleus elastography using the AFM needle-tip technique is demonstrated. These results demonstrate disruption of the native tissue environment that propagates to the plasma membrane and interior nuclear envelope structures of viable cells.
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Affiliation(s)
- Kaitlin P. McCreery
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
| | - Xin Xu
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
| | - Adrienne K. Scott
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
| | - Apresio K. Fajrial
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
| | - Sarah Calve
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA
| | - Xiaoyun Ding
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
| | - Corey P. Neu
- Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
- Address correspondence to
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Masutani T, Yamada S, Hara A, Takahashi T, Green PG, Niwa M. Exogenous Application of Proteoglycan to the Cell Surface Microenvironment Facilitates to Chondrogenic Differentiation and Maintenance. Int J Mol Sci 2020; 21:ijms21207744. [PMID: 33086766 PMCID: PMC7589071 DOI: 10.3390/ijms21207744] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/10/2020] [Accepted: 10/14/2020] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA), a disease that greatly impacts quality of life, has increasing worldwide prevalence as the population ages. However, its pathogenic mechanisms have not been fully elucidated and current therapeutic treatment strategies are inadequate. In recent years, abnormal endochondral ossification in articular cartilage has received attention as a pathophysiological mechanism in OA. Cartilage is composed of abundant extracellular matrix components, which are involved in tissue maintenance and regeneration, but how these factors affect endochondral ossification is not clear. Here, we show that the application of aggrecan-type proteoglycan from salmon nasal cartilage (sPG) exhibited marked proliferative capacity through receptor tyrosine kinases in chondroprogenitor cells, and also exhibited differentiation and three-dimensional structure formation via phosphorylation of Insulin-like Growth Factor-1 Receptor and Growth Differentiation Factor 5 expression. Furthermore, sPG inhibited calcification via expression of Runx2 and Col10 (factors related to induction of calcification), while increasing Mgp, a mineralization inhibitory factor. As a result of analyzing the localization of sPG applied to the cells, it was localized on the surface of the cell membrane. In this study, we found that sPG, as a biomaterial, could regulate cell proliferation, differentiation and calcification inhibition by acting on the cell surface microenvironment. Therefore, sPG may be the foundation for a novel therapeutic approach for cartilage maintenance and for improved symptoms in OA.
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Affiliation(s)
- Teruaki Masutani
- Medical Education Development Center, Gifu University School of Medicine, 1-1 Yanagido, Gifu City 501-1194, Japan;
- Research & Development Dept., Ichimaru Pharcos Co., Ltd., 318-1 Asagi, Motosu City 501-0475, Japan;
| | - Shuhei Yamada
- Department of Pathobiochemistry, Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan;
| | - Akira Hara
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu City 501-1194, Japan;
| | - Tatsuji Takahashi
- Research & Development Dept., Ichimaru Pharcos Co., Ltd., 318-1 Asagi, Motosu City 501-0475, Japan;
| | - Paul G Green
- Department of Oral and Maxillofacial Surgery, UCSF, San Francisco, CA 94143, USA;
| | - Masayuki Niwa
- Medical Education Development Center, Gifu University School of Medicine, 1-1 Yanagido, Gifu City 501-1194, Japan;
- Correspondence: ; Tel.: +81-58-230-6470
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Glotzbach K, Stamm N, Weberskirch R, Faissner A. Hydrogels Derivatized With Cationic Moieties or Functional Peptides as Efficient Supports for Neural Stem Cells. Front Neurosci 2020; 14:475. [PMID: 32508574 PMCID: PMC7251306 DOI: 10.3389/fnins.2020.00475] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/16/2020] [Indexed: 12/20/2022] Open
Abstract
The increasing incidence of neurodegenerative diseases such as Alzheimer's or Parkinson's disease represents a significant burden for patients and national health systems. The conditions are primarily caused by the death of neurons and other neural cell types. One important aim of current stem cell research is to find a way to replace the lost cells. In this perspective, neural stem cells (NSCs) have been considered as a promising tool in the field of regenerative medicine. The behavior of NSCs is modulated by environmental influences, for example hormones, growth factors, cytokines, and extracellular matrix molecules or biomechanics. These factors can be studied by using well-defined hydrogels, which are polymeric networks of synthetic or natural origin with the ability to swell in water. These gels can be modified with a variety of molecules and optimized with regard to their mechanical properties to mimic the natural extracellular environment. In particular modifications applying distinct units such as functional domains and peptides can modulate the development of NSCs with regard to proliferation, differentiation and migration. One well-known peptide sequence that affects the behavior of NSCs is the integrin recognition sequence RGD that has originally been derived from fibronectin. In the present review we provide an overview concerning the applications of modified hydrogels with an emphasis on synthetic hydrogels based on poly(acrylamides), as modified with either cationic moieties or the peptide sequence RGD. This knowledge might be used in tissue engineering and regenerative medicine for the therapy of spinal cord injuries, neurodegenerative diseases and traumata.
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Affiliation(s)
- Kristin Glotzbach
- Department of Cell Morphology and Molecular Neurobiology, Ruhr University Bochum, Bochum, Germany
| | - Nils Stamm
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Ralf Weberskirch
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Andreas Faissner
- Department of Cell Morphology and Molecular Neurobiology, Ruhr University Bochum, Bochum, Germany
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Chen Y, Li Z, Ju LA. Tensile and compressive force regulation on cell mechanosensing. Biophys Rev 2019; 11:311-318. [PMID: 31073958 DOI: 10.1007/s12551-019-00536-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 04/25/2019] [Indexed: 12/14/2022] Open
Abstract
Receptor-mediated cell mechanosensing plays critical roles in cell spreading, migration, growth, and survival. Dynamic force spectroscopy (DFS) techniques have recently been advanced to visualize such processes, which allow the concurrent examination of molecular binding dynamics and cellular response to mechanical stimuli on single living cells. Notably, the live-cell DFS is able to manipulate the force "waveforms" such as tensile versus compressive, ramped versus clamped, static versus dynamic, and short versus long lasting forces, thereby deriving correlations of cellular responses with ligand binding kinetics and mechanical stimulation profiles. Here, by differentiating extracellular mechanical stimulations into two major categories, tensile force and compressive force, we review the latest findings on receptor-mediated mechanosensing mechanisms that are discovered by the state-of-the-art live-cell DFS technologies.
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Affiliation(s)
- Yunfeng Chen
- Department of Molecular Medicine, MERU-Roon Research Center on Vascular Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Zhiyong Li
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Lining Arnold Ju
- Heart Research Institute, Sydney, Australia. .,School of Aerospace, Mechanical and Mechatronic Engineering, Darlington, Australia. .,Charles Perkins Centre, The University of Sydney, Camperdown, NSW, 2006, Australia.
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