1
|
Lichtenberg JY, Leonard CE, Sterling HR, Santos Agreda V, Hwang PY. Using Microfluidics to Align Matrix Architecture and Generate Chemokine Gradients Promotes Directional Branching in a Model of Epithelial Morphogenesis. ACS Biomater Sci Eng 2024. [PMID: 39007451 DOI: 10.1021/acsbiomaterials.4c00245] [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: 07/16/2024]
Abstract
The mechanical cue of fiber alignment plays a key role in the development of various tissues in the body. The ability to study the effect of these stimuli in vitro has been limited previously. Here, we present a microfluidic device capable of intrinsically generating aligned fibers using the microchannel geometry. The device also features tunable interstitial fluid flow and the ability to form a morphogen gradient. These aspects allow for the modeling of complex tissues and to differentiate cell response to different stimuli. To demonstrate the abilities of our device, we incorporated luminal epithelial cysts into our device and induced growth factor stimulation. We found the mechanical cue of fiber alignment to play a dominant role in cell elongation and the ability to form protrusions was dependent on cadherin-3. Together, this work serves as a springboard for future potential with these devices to answer questions in developmental biology and complex diseases such as cancers.
Collapse
Affiliation(s)
- Jessanne Y Lichtenberg
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia 23220, United States
| | - Corinne E Leonard
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia 23220, United States
| | - Hazel R Sterling
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia 23220, United States
| | - Valentina Santos Agreda
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia 23220, United States
| | - Priscilla Y Hwang
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia 23220, United States
- Massey Comprehensive Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States
| |
Collapse
|
2
|
Johnston RA, Pilkington AW, Atkins CL, Boots TE, Brown PL, Jackson WT, Spencer CY, Siddiqui SR, Haque IU. Inconsequential role for chemerin-like receptor 1 in the manifestation of ozone-induced lung pathophysiology in male mice. Physiol Rep 2024; 12:e16008. [PMID: 38631890 PMCID: PMC11023814 DOI: 10.14814/phy2.16008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/19/2024] Open
Abstract
We executed this study to determine if chemerin-like receptor 1 (CMKLR1), a Gi/o protein-coupled receptor expressed by leukocytes and non-leukocytes, contributes to the development of phenotypic features of non-atopic asthma, including airway hyperresponsiveness (AHR) to acetyl-β-methylcholine chloride, lung hyperpermeability, airway epithelial cell desquamation, and lung inflammation. Accordingly, we quantified sequelae of non-atopic asthma in wild-type mice and mice incapable of expressing CMKLR1 (CMKLR1-deficient mice) following cessation of acute inhalation exposure to either filtered room air (air) or ozone (O3), a criteria pollutant and non-atopic asthma stimulus. Following exposure to air, lung elastic recoil and airway responsiveness were greater while the quantity of adiponectin, a multi-functional adipocytokine, in bronchoalveolar lavage (BAL) fluid was lower in CMKLR1-deficient as compared to wild-type mice. Regardless of genotype, exposure to O3 caused AHR, lung hyperpermeability, airway epithelial cell desquamation, and lung inflammation. Nevertheless, except for minimal genotype-related effects on lung hyperpermeability and BAL adiponectin, we observed no other genotype-related differences following O3 exposure. In summary, we demonstrate that CMKLR1 limits the severity of innate airway responsiveness and lung elastic recoil but has a nominal effect on lung pathophysiology induced by acute exposure to O3.
Collapse
Affiliation(s)
- Richard A. Johnston
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and PreventionUnited States Department of Health and Human ServicesMorgantownWest VirginiaUSA
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, School of MedicineWest Virginia UniversityMorgantownWest VirginiaUSA
- Division of Critical Care Medicine, Department of PediatricsMcGovern Medical School at the University of Texas Health Science Center at HoustonHoustonTexasUSA
- Department of Integrative Biology and PharmacologyMcGovern Medical School at the University of Texas Health Science Center at HoustonHoustonTexasUSA
| | - Albert W. Pilkington
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and PreventionUnited States Department of Health and Human ServicesMorgantownWest VirginiaUSA
| | - Constance L. Atkins
- Division of Pulmonary Medicine, Department of PediatricsMcGovern Medical School at the University of Texas Health Science Center at HoustonHoustonTexasUSA
| | - Theresa E. Boots
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and PreventionUnited States Department of Health and Human ServicesMorgantownWest VirginiaUSA
| | - Philip L. Brown
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and PreventionUnited States Department of Health and Human ServicesMorgantownWest VirginiaUSA
| | - William T. Jackson
- Division of Critical Care Medicine, Department of PediatricsMcGovern Medical School at the University of Texas Health Science Center at HoustonHoustonTexasUSA
| | - Chantal Y. Spencer
- Section of Pediatric Pulmonology, Department of PediatricsBaylor College of MedicineHoustonTexasUSA
| | - Saad R. Siddiqui
- Division of Critical Care Medicine, Department of PediatricsMcGovern Medical School at the University of Texas Health Science Center at HoustonHoustonTexasUSA
| | - Ikram U. Haque
- Division of Critical Care Medicine, Department of PediatricsMcGovern Medical School at the University of Texas Health Science Center at HoustonHoustonTexasUSA
- Division of Critical Care, Department of PediatricsSidra MedicineDohaQatar
| |
Collapse
|
3
|
Nizamoglu M, Alleblas F, Koster T, Borghuis T, Vonk JM, Thomas MJ, White ES, Watson CK, Timens W, El Kasmi KC, Melgert BN, Heijink IH, Burgess JK. Three dimensional fibrotic extracellular matrix directs microenvironment fiber remodeling by fibroblasts. Acta Biomater 2024; 177:118-131. [PMID: 38350556 DOI: 10.1016/j.actbio.2024.02.008] [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: 10/13/2023] [Revised: 01/12/2024] [Accepted: 02/05/2024] [Indexed: 02/15/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF), for which effective treatments are limited, results in excessive and disorganized deposition of aberrant extracellular matrix (ECM). An altered ECM microenvironment is postulated to contribute to disease progression through inducing profibrotic behavior of lung fibroblasts, the main producers and regulators of ECM. Here, we examined this hypothesis in a 3D in vitro model system by growing primary human lung fibroblasts in ECM-derived hydrogels from non-fibrotic (control) or IPF lung tissue. Using this model, we compared how control and IPF lung-derived fibroblasts responded in control and fibrotic microenvironments in a combinatorial manner. Culture of fibroblasts in fibrotic hydrogels did not alter in the overall amount of collagen or glycosaminoglycans but did cause a drastic change in fiber organization compared to culture in control hydrogels. High-density collagen percentage was increased by control fibroblasts in IPF hydrogels at day 7, but decreased at day 14. In contrast, IPF fibroblasts only decreased the high-density collagen percentage at day 14, which was accompanied by enhanced fiber alignment in IPF hydrogels. Similarly, stiffness of fibrotic hydrogels was increased only by control fibroblasts by day 14 while those of control hydrogels were not altered by fibroblasts. These data highlight how the ECM-remodeling responses of fibroblasts are influenced by the origin of both the cells and the ECM. Moreover, by showing how the 3D microenvironment plays a crucial role in directing cells, our study paves the way in guiding future investigations examining fibrotic processes with respect to ECM remodeling responses of fibroblasts. STATEMENT OF SIGNIFICANCE: In this study, we investigated the influence of the altered extracellular matrix (ECM) in Idiopathic Pulmonary Fibrosis (IPF), using a 3D in vitro model system composed of ECM-derived hydrogels from both IPF and control lungs, seeded with human IPF and control lung fibroblasts. While our results indicated that fibrotic microenvironment did not change the overall collagen or glycosaminoglycan content, it resulted in a dramatically alteration of fiber organization and mechanical properties. Control fibroblasts responded differently from IPF fibroblasts, highlighting the unique instructive role of the fibrotic ECM and the interplay with fibroblast origin. These results underscore the importance of 3D microenvironments in guiding pro-fibrotic responses, offering potential insights for future IPF therapies as well as other fibrotic diseases and cancer.
Collapse
Affiliation(s)
- Mehmet Nizamoglu
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands.
| | - Frederique Alleblas
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands
| | - Taco Koster
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands
| | - Theo Borghuis
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands
| | - Judith M Vonk
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Epidemiology, Groningen, the Netherlands
| | - Matthew J Thomas
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Eric S White
- Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Carolin K Watson
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Wim Timens
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands
| | - Karim C El Kasmi
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Barbro N Melgert
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; University of Groningen, Department of Molecular Pharmacology, Groningen Research Institute for Pharmacy, Groningen, the Netherlands
| | - Irene H Heijink
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Pulmonology, Groningen, the Netherlands
| | - Janette K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, W.J. Kolff Institute for Biomedical Engineering and Materials Science-FB41, Groningen, the Netherlands.
| |
Collapse
|
4
|
Sahani R, Hixson K, Blemker SS. It's more than the amount that counts: implications of collagen organization on passive muscle tissue properties revealed with micromechanical models and experiments. J R Soc Interface 2024; 21:20230478. [PMID: 38320599 PMCID: PMC10846937 DOI: 10.1098/rsif.2023.0478] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/15/2024] [Indexed: 02/08/2024] Open
Abstract
Collagen accumulation is often used to characterize skeletal muscle fibrosis, but the role of collagen in passive muscle mechanics remains debated. Here we combined finite-element models and experiments to examine how collagen organization contributes to macroscopic muscle tissue properties. Tissue microstructure and mechanical properties were measured from in vitro biaxial experiments and imaging in dystrophin knockout (mdx) and wild-type (WT) diaphragm muscle. Micromechanical models of intramuscular and epimuscular extracellular matrix (ECM) regions were developed to account for complex microstructure and predict bulk properties, and directly calibrated and validated with the experiments. The models predicted that intramuscular collagen fibres align primarily in the cross-muscle fibre direction, with greater cross-muscle fibre alignment in mdx models compared with WT. Higher cross-muscle fibre stiffness was predicted in mdx models compared with WT models and differences between ECM and muscle properties were seen during cross-muscle fibre loading. Analysis of the models revealed that variation in collagen fibre distribution had a much more substantial impact on tissue stiffness than ECM area fraction. Taken together, we conclude that collagen organization explains anisotropic tissue properties observed in the diaphragm muscle and provides an explanation for the lack of correlation between collagen amount and tissue stiffness across experimental studies.
Collapse
Affiliation(s)
- Ridhi Sahani
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
| | - Kaitlyn Hixson
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
| | - Silvia S. Blemker
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
- Department of Orthopedic Surgery, University of Virginia, Charlottesville, VA, USA
- Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA, USA
| |
Collapse
|
5
|
Ezzo M, Hinz B. Novel approaches to target fibroblast mechanotransduction in fibroproliferative diseases. Pharmacol Ther 2023; 250:108528. [PMID: 37708995 DOI: 10.1016/j.pharmthera.2023.108528] [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: 06/15/2023] [Revised: 08/09/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023]
Abstract
The ability of cells to sense and respond to changes in mechanical environment is vital in conditions of organ injury when the architecture of normal tissues is disturbed or lost. Among the various cellular players that respond to injury, fibroblasts take center stage in re-establishing tissue integrity by secreting and organizing extracellular matrix into stabilizing scar tissue. Activation, activity, survival, and death of scar-forming fibroblasts are tightly controlled by mechanical environment and proper mechanotransduction ensures that fibroblast activities cease after completion of the tissue repair process. Conversely, dysregulated mechanotransduction often results in fibroblast over-activation or persistence beyond the state of normal repair. The resulting pathological accumulation of extracellular matrix is called fibrosis, a condition that has been associated with over 40% of all deaths in the industrialized countries. Consequently, elements in fibroblast mechanotransduction are scrutinized for their suitability as anti-fibrotic therapeutic targets. We review the current knowledge on mechanically relevant factors in the fibroblast extracellular environment, cell-matrix and cell-cell adhesion structures, stretch-activated membrane channels, stress-regulated cytoskeletal structures, and co-transcription factors. We critically discuss the targetability of these elements in therapeutic approaches and their progress in pre-clinical and/or clinical trials to treat organ fibrosis.
Collapse
Affiliation(s)
- Maya Ezzo
- Keenan Research Institute for Biomedical Science of the St. Michael's Hospital, and Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Boris Hinz
- Keenan Research Institute for Biomedical Science of the St. Michael's Hospital, and Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
| |
Collapse
|
6
|
Yang S, Sun Y, Long M, Zhou X, Yuan M, Yang L, Luo W, Cheng Y, Zhang X, Jiang W, Chao J. Single-cell transcriptome sequencing-based analysis: probing the mechanisms of glycoprotein NMB regulation of epithelial cells involved in silicosis. Part Fibre Toxicol 2023; 20:29. [PMID: 37468937 DOI: 10.1186/s12989-023-00543-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/13/2023] [Indexed: 07/21/2023] Open
Abstract
Chronic exposure to silica can lead to silicosis, one of the most serious occupational lung diseases worldwide, for which there is a lack of effective therapeutic drugs and tools. Epithelial mesenchymal transition plays an important role in several diseases; however, data on the specific mechanisms in silicosis models are scarce. We elucidated the pathogenesis of pulmonary fibrosis via single-cell transcriptome sequencing and constructed an experimental silicosis mouse model to explore the specific molecular mechanisms affecting epithelial mesenchymal transition at the single-cell level. Notably, as silicosis progressed, glycoprotein non-metastatic melanoma protein B (GPNMB) exerted a sustained amplification effect on alveolar type II epithelial cells, inducing epithelial-to-mesenchymal transition by accelerating cell proliferation and migration and increasing mesenchymal markers, ultimately leading to persistent pulmonary pathological changes. GPNMB participates in the epithelial-mesenchymal transition in distant lung epithelial cells by releasing extracellular vesicles to accelerate silicosis. These vesicles are involved in abnormal changes in the composition of the extracellular matrix and collagen structure. Our results suggest that GPNMB is a potential target for fibrosis prevention.
Collapse
Affiliation(s)
- Shaoqi Yang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
- Key Laboratory of Environmental Medicine Engineering, School of Public Health, Ministry of Education, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Yuheng Sun
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
- Key Laboratory of Environmental Medicine Engineering, School of Public Health, Ministry of Education, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Min Long
- Department of Biomedical Engineering, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Avenue, Nanjing, Jiangsu, 211106, China
| | - Xinbei Zhou
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
- Key Laboratory of Environmental Medicine Engineering, School of Public Health, Ministry of Education, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Mengqin Yuan
- Department of Biomedical Engineering, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Avenue, Nanjing, Jiangsu, 211106, China
| | - Liliang Yang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
| | - Wei Luo
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
| | - Yusi Cheng
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
| | - Xinxin Zhang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China
| | - Wei Jiang
- Department of Biomedical Engineering, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Avenue, Nanjing, Jiangsu, 211106, China.
| | - Jie Chao
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Physiology, School of Medicine, Zhongda Hospital, Southeast University, 87 Dingjiaqiao Rd, Nanjing, Jiangsu, 210009, China.
- Key Laboratory of Environmental Medicine Engineering, School of Public Health, Ministry of Education, Southeast University, Nanjing, Jiangsu, 210009, China.
- School of Medicine, Xizang Minzu University, Xianyang, Shanxi, 712082, China.
| |
Collapse
|
7
|
Dabaghi M, Carpio MB, Saraei N, Moran-Mirabal JM, Kolb MR, Hirota JA. A roadmap for developing and engineering in vitro pulmonary fibrosis models. BIOPHYSICS REVIEWS 2023; 4:021302. [PMID: 38510343 PMCID: PMC10903385 DOI: 10.1063/5.0134177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 04/03/2023] [Indexed: 03/22/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a severe form of pulmonary fibrosis. IPF is a fatal disease with no cure and is challenging to diagnose. Unfortunately, due to the elusive etiology of IPF and a late diagnosis, there are no cures for IPF. Two FDA-approved drugs for IPF, nintedanib and pirfenidone, slow the progression of the disease, yet fail to cure or reverse it. Furthermore, most animal models have been unable to completely recapitulate the physiology of human IPF, resulting in the failure of many drug candidates in preclinical studies. In the last few decades, the development of new IPF drugs focused on changes at the cellular level, as it was believed that the cells were the main players in IPF development and progression. However, recent studies have shed light on the critical role of the extracellular matrix (ECM) in IPF development, where the ECM communicates with cells and initiates a positive feedback loop to promote fibrotic processes. Stemming from this shift in the understanding of fibrosis, there is a need to develop in vitro model systems that mimic the human lung microenvironment to better understand how biochemical and biomechanical cues drive fibrotic processes in IPF. However, current in vitro cell culture platforms, which may include substrates with different stiffness or natural hydrogels, have shortcomings in recapitulating the complexity of fibrosis. This review aims to draw a roadmap for developing advanced in vitro pulmonary fibrosis models, which can be leveraged to understand better different mechanisms involved in IPF and develop drug candidates with improved efficacy. We begin with a brief overview defining pulmonary fibrosis and highlight the importance of ECM components in the disease progression. We focus on fibroblasts and myofibroblasts in the context of ECM biology and fibrotic processes, as most conventional advanced in vitro models of pulmonary fibrosis use these cell types. We transition to discussing the parameters of the 3D microenvironment that are relevant in pulmonary fibrosis progression. Finally, the review ends by summarizing the state of the art in the field and future directions.
Collapse
Affiliation(s)
- Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health—Division of Respirology, Department of Medicine, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario L8N 4A6, Canada
| | - Mabel Barreiro Carpio
- Department of Chemistry and Chemical Biology, McMaster University, Arthur N. Bourns Science Building, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada
| | - Neda Saraei
- School of Biomedical Engineering, McMaster University, Engineering Technology Building, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | | | - Martin R. Kolb
- Firestone Institute for Respiratory Health—Division of Respirology, Department of Medicine, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario L8N 4A6, Canada
| | | |
Collapse
|
8
|
Alkmin S, Patankar MS, Campagnola PJ. Assessing the roles of collagen fiber morphology and matrix stiffness on ovarian cancer cell migration dynamics using multiphoton fabricated orthogonal image-based models. Acta Biomater 2022; 153:342-354. [PMID: 36152908 PMCID: PMC10324295 DOI: 10.1016/j.actbio.2022.09.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/24/2022] [Accepted: 09/15/2022] [Indexed: 11/01/2022]
Abstract
Ovarian cancer remains the deadliest of the gynecological cancers, where this arises from poor screening and imaging tools that can detect early disease, and also limited understanding of the structural and functional aspects of the tumor microenvironment. To gain insight into the underlying cellular dynamics, we have used multiphoton excited fabrication to create Second Harmonic Generation (SHG) image-based orthogonal models from collagen/GelMA that represent both the collagen matrix morphology and stiffness (∼2-8 kPa) of normal ovarian stroma and high grade serous ovarian cancers (HGSOC). These scaffolds are used to study migration/cytoskeletal dynamics of normal (IOSE) and ovarian cancer (OVCA433) cell lines. We found that the highly aligned fiber morphology of HGSOC promotes aspects of motility (motility coefficient, motility, and focal adhesion expression) through a contact guidance mechanism and that stiffer matrix further promotes these same processes through a mechanosensitive mechanism, where these trends were similar for both normal and cancer cells. However, cell specific differences were found on these orthogonal models relative to those providing only morphology, showing the importance of presenting both morphology and stiffness cues. Moreover, we found increased cadherin expression and decreased cell alignment only for cancer cells on scaffolds of intermediate modulus suggesting different stiffness-dependent mechanotransduction mechanisms are engaged. This overall approach affords decoupling the roles of matrix morphology, stiffness and cell genotype and affords hypothesis testing of the factors giving rise to disease progression and metastasis. Further, more established fabrication techniques cannot simultaneously reproduce both the 3D collagen fiber morphology and stiffness. STATEMENT OF SIGNIFICANCE: Ovarian cancer metastasizes when lesions are small, where cells exfoliate from the surface of the ovary and reattach at distal sites in the peritoneum. The adhesion/migration dynamics are not well understood and there is a need for new 3D in vitro models of the extracellular matrix to study the biology. Here we use multiphoton excited crosslinking to fabricate ECM orthogonal models that represent the collagen morphology and stiffness in human ovarian tissues. These are then used to study ovarian cancer cell migration dynamics and we found that contact guidance and a mechanosensitive response and cell genotype all combine to affect the behavior. These models provide insight into disease etiology and progression not readily possible by other fabrication methods.
Collapse
Affiliation(s)
- Samuel Alkmin
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1550 Engineering Drive, Madison, WI 53706, USA
| | - Manish S Patankar
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI 53706, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Paul J Campagnola
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1550 Engineering Drive, Madison, WI 53706, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI 53706, USA.
| |
Collapse
|
9
|
Varankar SS, Hari K, Kartika S, Bapat SA, Jolly MK. Cell geometry distinguishes migration‐associated heterogeneity in two‐dimensional systems. COMPUTATIONAL AND SYSTEMS ONCOLOGY 2022. [DOI: 10.1002/cso2.1041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Sagar S Varankar
- Centre for BioSystems Science and Engineering Indian Institute of Science Bangalore India
- National Centre for Cell Science Savitribai Phule Pune University Ganeshkhind Pune India
| | - Kishore Hari
- Centre for BioSystems Science and Engineering Indian Institute of Science Bangalore India
| | - Sharon Kartika
- Department of Biological Sciences Indian Institute of Science Education and Research Kolkata Mohanpur Nadia West Bengal India
| | - Sharmila A Bapat
- National Centre for Cell Science Savitribai Phule Pune University Ganeshkhind Pune India
| | - Mohit Kumar Jolly
- Centre for BioSystems Science and Engineering Indian Institute of Science Bangalore India
| |
Collapse
|
10
|
Sahani R, Wallace CH, Jones BK, Blemker SS. Diaphragm muscle fibrosis involves changes in collagen organization with mechanical implications in Duchenne muscular dystrophy. J Appl Physiol (1985) 2022; 132:653-672. [PMID: 35050792 PMCID: PMC9076426 DOI: 10.1152/japplphysiol.00248.2021] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In Duchenne muscular dystrophy (DMD), diaphragm muscle dysfunction results in respiratory insufficiency, a leading cause of death in patients. Increased muscle stiffness occurs with buildup of fibrotic tissue, characterized by excessive accumulation of extracellular matrix (ECM) components such as collagen, and prevents the diaphragm from achieving the excursion lengths required for respiration. However, changes in mechanical properties are not explained by collagen amount alone and we must consider the complex structure and mechanics of fibrotic tissue. The goals of our study were to 1) determine if and how collagen organization changes with the progression of DMD in diaphragm muscle tissue and 2) predict how collagen organization influences the mechanical properties of the ECM. We first visualized collagen structure with scanning electron microscopy (SEM) images and then developed an analysis framework to quantify collagen organization and generate image-based finite-element models. Image analysis revealed increased collagen fiber straightness and alignment in mdx over wild type (WT) at 3 mo (straightness: mdx = 0.976 ± 0.0108, WT = 0.887 ± 0.0309, alignment: mdx = 0.876 ± 0.0333, WT = 0.759 ± 0.0416) and 6 mo (straightness: mdx = 0.942 ± 0.0182, WT = 0.881 ± 0.0163, alignment: mdx = 0.840 ± 0.0315, WT = 0.759 ± 0.0368). Collagen fibers retained a transverse orientation relative to muscle fibers (70°-90°) in all groups. Mechanical models predicted an increase in the transverse relative to longitudinal (muscle fiber direction) stiffness, with stiffness ratio (transverse/longitudinal) increased in mdx over WT at 3 mo (mdx = 5.45 ± 2.04, WT = 1.97 ± 0.670) and 6 mo (mdx = 4.05 ± 0.985, WT = 1.96 ± 0.506). This study revealed changes in diaphragm ECM structure and mechanics during disease progression in the mdx muscular dystrophy mouse phenotype, highlighting the need to consider the role of collagen organization on diaphragm muscle function.NEW & NOTEWORTHY Scanning electron microscopy images of decellularized diaphragm muscle from WT and mdx, Duchenne muscular dystrophy model, mice revealed that collagen fibers in the epimysium are oriented transverse to muscle fibers, with age- and disease-dependent changes in collagen arrangement. Finite-element models generated from these images predicted that changes in collagen arrangement during disease progression influence the mechanical properties of the extracellular matrix. Thus, changes in collagen fiber-level structure are implicated on tissue-level properties during fibrosis.
Collapse
Affiliation(s)
- Ridhi Sahani
- 1Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia
| | - C. Hunter Wallace
- 1Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia
| | - Brian K. Jones
- 1Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia
| | - Silvia S. Blemker
- 1Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia,2Department of Orthopedic Surgery, University of Virginia, Charlottesville, Virginia,3Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Virginia
| |
Collapse
|
11
|
Abbas M, Alqahtani MS, Almohiy HM, Alqahtani FF, Alhifzi R, Jambi LK. The Potential Contribution of Biopolymeric Particles in Lung Tissue Regeneration of COVID-19 Patients. Polymers (Basel) 2021; 13:4011. [PMID: 34833310 PMCID: PMC8623030 DOI: 10.3390/polym13224011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 02/08/2023] Open
Abstract
The lung is a vital organ that houses the alveoli, which is where gas exchange takes place. The COVID-19 illness attacks lung cells directly, creating significant inflammation and resulting in their inability to function. To return to the nature of their job, it may be essential to rejuvenate the afflicted lung cells. This is difficult because lung cells need a long time to rebuild and resume their function. Biopolymeric particles are the most effective means to transfer developing treatments to airway epithelial cells and then regenerate infected lung cells, which is one of the most significant symptoms connected with COVID-19. Delivering biocompatible and degradable natural biological materials, chemotherapeutic drugs, vaccines, proteins, antibodies, nucleic acids, and diagnostic agents are all examples of these molecules' usage. Furthermore, they are created by using several structural components, which allows them to effectively connect with these cells. We highlight their most recent uses in lung tissue regeneration in this review. These particles are classified into three groups: biopolymeric nanoparticles, biopolymeric stem cell materials, and biopolymeric scaffolds. The techniques and processes for regenerating lung tissue will be thoroughly explored.
Collapse
Affiliation(s)
- Mohamed Abbas
- Electrical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
- Computers and Communications Department, College of Engineering, Delta University for Science and Technology, Gamasa 35712, Egypt
| | - Mohammed S. Alqahtani
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia; (M.S.A.); (H.M.A.); (R.A.)
- BioImaging Unit, Space Research Centre, Michael Atiyah Building, University of Leicester, Leicester LE1 7RH, UK
| | - Hussain M. Almohiy
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia; (M.S.A.); (H.M.A.); (R.A.)
| | - Fawaz F. Alqahtani
- Department of Radiological Sciences, College of Applied Medical Sciences, Najran University, Najran 1988, Saudi Arabia;
| | - Roaa Alhifzi
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia; (M.S.A.); (H.M.A.); (R.A.)
| | - Layal K. Jambi
- Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia;
| |
Collapse
|
12
|
Jaulin N, Idrus RH, Saim A, Wan-Ibrahim WI, Abdul-Rahman PS, Lokanathan Y. Airway Fibroblast Secretory Products Enhance Cell Migration. CURR PROTEOMICS 2021. [DOI: 10.2174/1570164618666210823094105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
The nasal fibroblast secretome, which includes various cytokines, chemokines, and growth factors, promotes cell migration. Currently, the proteomics of airway fibroblast (AF) conditioned medium (AFCM) are being actively studied.
Objective:
This study was aimed at profiling and identifying the AF secreted proteins that can enhance wound healing of the airway epithelium and predict the potential pathway involved.
Methods:
Airway epithelial cells (AECs) and AFs were isolated from redundant human nasal turbinate and cultured. AFCM was collected by culturing the AFs either with serum-free airway epithelium basal medium (AECM) or with serum-free F12:DMEM (FDCM). For evaluating cell migration, the AECs were supplemented with airway epithelium medium and defined keratinocyte medium (1:1; AEDK; control), or with AEDK supplemented with 20% AECM or 20% FDCM. The mass spectrometry sample was prepared by protein precipitation, followed by gel electrophoresis and in-gel digestion.
Results :
AECM promoted better cell migration compared to the FDCM and the control medium. Bioinformatics analysis identified a total of 121, and 92 proteins from AECM and FDCM, respectively: 109 and 82 were identified as secreted proteins, respectively. STRING® analysis predicted that 23 proteins from the AECM and 16 proteins from the FDCM are involved in wound healing.
Conclusion:
Conditioned medium promotes wound healing by enhancing cell migration, and we successfully identified various secretory proteins in a conditioned medium that play important roles in wound healing.
Collapse
Affiliation(s)
- Nundisa Jaulin
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Ruszymah Hj Idrus
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Aminuddin Saim
- Ear, Nose and Throat Consultant Clinic, KPJ Ampang Puteri Specialist Hospital, Ampang, Malaysia
| | - Wan Izlina Wan-Ibrahim
- Department of Oral and Craniofacial Sciences, Faculty of Dentistry, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Puteri Shafinaz Abdul-Rahman
- Medical Biotechnology Laboratory, Central Research Laboratories, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Yogeswaran Lokanathan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| |
Collapse
|
13
|
Mechanosensitive Regulation of Fibrosis. Cells 2021; 10:cells10050994. [PMID: 33922651 PMCID: PMC8145148 DOI: 10.3390/cells10050994] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/12/2021] [Accepted: 04/20/2021] [Indexed: 02/07/2023] Open
Abstract
Cells in the human body experience and integrate a wide variety of environmental cues. A growing interest in tissue mechanics in the past four decades has shown that the mechanical properties of tissue drive key biological processes and facilitate disease development. However, tissue stiffness is not only a potent behavioral cue, but also a product of cellular signaling activity. This review explores both roles of tissue stiffness in the context of inflammation and fibrosis, and the important molecular players driving such processes. During inflammation, proinflammatory cytokines upregulate tissue stiffness by increasing hydrostatic pressure, ECM deposition, and ECM remodeling. As the ECM stiffens, cells involved in the immune response employ intricate molecular sensors to probe and alter their mechanical environment, thereby facilitating immune cell recruitment and potentiating the fibrotic phenotype. This powerful feedforward loop raises numerous possibilities for drug development and warrants further investigation into the mechanisms specific to different fibrotic diseases.
Collapse
|
14
|
Elowsson Rendin L, Löfdahl A, Kadefors M, Söderlund Z, Tykesson E, Rolandsson Enes S, Wigén J, Westergren-Thorsson G. Harnessing the ECM Microenvironment to Ameliorate Mesenchymal Stromal Cell-Based Therapy in Chronic Lung Diseases. Front Pharmacol 2021; 12:645558. [PMID: 34040521 PMCID: PMC8142268 DOI: 10.3389/fphar.2021.645558] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/17/2021] [Indexed: 12/21/2022] Open
Abstract
It is known that the cell environment such as biomechanical properties and extracellular matrix (ECM) composition dictate cell behaviour including migration, proliferation, and differentiation. Important constituents of the microenvironment, including ECM molecules such as proteoglycans and glycosaminoglycans (GAGs), determine events in both embryogenesis and repair of the adult lung. Mesenchymal stromal/stem cells (MSC) have been shown to have immunomodulatory properties and may be potent actors regulating tissue remodelling and regenerative cell responses upon lung injury. Using MSC in cell-based therapy holds promise for treatment of chronic lung diseases such as idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD). However, so far clinical trials with MSCs in COPD have not had a significant impact on disease amelioration nor on IPF, where low cell survival rate and pulmonary retention time are major hurdles to overcome. Research shows that the microenvironment has a profound impact on transplanted MSCs. In our studies on acellular lung tissue slices (lung scaffolds) from IPF patients versus healthy individuals, we see a profound effect on cellular activity, where healthy cells cultured in diseased lung scaffolds adapt and produce proteins further promoting a diseased environment, whereas cells on healthy scaffolds sustain a healthy proteomic profile. Therefore, modulating the environmental context for cell-based therapy may be a potent way to improve treatment using MSCs. In this review, we will describe the importance of the microenvironment for cell-based therapy in chronic lung diseases, how MSC-ECM interactions can affect therapeutic output and describe current progress in the field of cell-based therapy.
Collapse
Affiliation(s)
- Linda Elowsson Rendin
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Anna Löfdahl
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Måns Kadefors
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Zackarias Söderlund
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Emil Tykesson
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Sara Rolandsson Enes
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Jenny Wigén
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | | |
Collapse
|
15
|
Jiang W, Cao M, Zhang Y, Gu L, PuYang J, Liu M, Xia Q. Systems bioinformatic approach to determine the pharmacological mechanisms of radix astragali and radix angelicae sinensis in idiopathic pulmonary fibrosis. Pharmacogn Mag 2021. [DOI: 10.4103/pm.pm_9_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
|
16
|
Hayward KL, Kouthouridis S, Zhang B. Organ-on-a-Chip Systems for Modeling Pathological Tissue Morphogenesis Associated with Fibrosis and Cancer. ACS Biomater Sci Eng 2020; 7:2900-2925. [PMID: 34275294 DOI: 10.1021/acsbiomaterials.0c01089] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Tissue building does not occur exclusively during development. Even after a whole body is built from a single cell, tissue building can occur to repair and regenerate tissues of the adult body. This confers resilience and enhanced survival to multicellular organisms. However, this resiliency comes at a cost, as the potential for misdirected tissue building creates vulnerability to organ deformation and dysfunction-the hallmarks of disease. Pathological tissue morphogenesis is associated with fibrosis and cancer, which are the leading causes of morbidity and mortality worldwide. Despite being the priority of research for decades, scientific understanding of these diseases is limited and existing therapies underdeliver the desired benefits to patient outcomes. This can largely be attributed to the use of two-dimensional cell culture and animal models that insufficiently recapitulate human disease. Through the synergistic union of biological principles and engineering technology, organ-on-a-chip systems represent a powerful new approach to modeling pathological tissue morphogenesis, one with the potential to yield better insights into disease mechanisms and improved therapies that offer better patient outcomes. This Review will discuss organ-on-a-chip systems that model pathological tissue morphogenesis associated with (1) fibrosis in the context of injury-induced tissue repair and aging and (2) cancer.
Collapse
Affiliation(s)
- Kristen L Hayward
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Sonya Kouthouridis
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Boyang Zhang
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada.,School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| |
Collapse
|
17
|
Role of Collagen Fiber Morphology on Ovarian Cancer Cell Migration Using Image-Based Models of the Extracellular Matrix. Cancers (Basel) 2020; 12:cancers12061390. [PMID: 32481580 PMCID: PMC7352517 DOI: 10.3390/cancers12061390] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/20/2020] [Accepted: 05/26/2020] [Indexed: 12/19/2022] Open
Abstract
Remodeling of the extracellular matrix (ECM) is an important part in the development and progression of many epithelial cancers. However, the biological significance of collagen alterations in ovarian cancer has not been well established. Here we investigated the role of collagen fiber morphology on cancer cell migration using tissue engineered scaffolds based on high-resolution Second-Harmonic Generation (SHG) images of ovarian tumors. The collagen-based scaffolds are fabricated by multiphoton excited (MPE) polymerization, which is a freeform 3D method affording submicron resolution feature sizes (~0.5 µm). This capability allows the replication of the collagen fiber architecture, where we constructed models representing normal stroma, high-risk tissue, benign tumors, and high-grade tumors. These were seeded with normal and ovarian cancer cell lines to investigate the separate roles of the cell type and matrix morphology on migration dynamics. The primary finding is that key cell–matrix interactions such as motility, cell spreading, f-actin alignment, focal adhesion, and cadherin expression are mainly determined by the collagen fiber morphology to a larger extent than the initial cell type. Moreover, we found these aspects were all enhanced for cells on the highly aligned, high-grade tumor model. Conversely, the weakest corresponding responses were observed on the more random mesh-like normal stromal matrix, with the partially aligned benign tumor and high-risk models demonstrating intermediate behavior. These results are all consistent with a contact guidance mechanism. These models cannot be synthesized by other conventional fabrication methods, and we suggest this approach will enable a variety of studies in cancer biology.
Collapse
|
18
|
Atry F, Rentchler E, Alkmin S, Dai B, Li B, Eliceiri KW, Campagnola PJ. Parallel multiphoton excited fabrication of tissue engineering scaffolds using a diffractive optical element. OPTICS EXPRESS 2020; 28:2744-2757. [PMID: 32121956 PMCID: PMC7053494 DOI: 10.1364/oe.381362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/21/2019] [Accepted: 12/25/2019] [Indexed: 05/08/2023]
Abstract
Multiphoton excited photochemistry is a powerful technique for freeform nano/microfabrication. However, the construction of large and complex structures using single point scanning is slow, where this is a significant limitation for biological investigations. We demonstrate increased throughput via parallel fabrication using a diffractive optical element. To implement an approach with large field of view and near-theoretical resolution, a scan lens was designed that is optimized for using low-magnification high NA objective lenses. We demonstrate that with this approach it is possible to synthesize large scaffolds at speeds several times faster than by single point scanning.
Collapse
Affiliation(s)
- Farid Atry
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Eric Rentchler
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Samuel Alkmin
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Bing Dai
- Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Bin Li
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
- Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, Madison, WI 53706, USA
- Morgridge Institute for Research, Madison, WI 53706, USA
| | - Kevin W. Eliceiri
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
- Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, Madison, WI 53706, USA
- Morgridge Institute for Research, Madison, WI 53706, USA
- Medical Physics Department, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Paul J. Campagnola
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
- Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, Madison, WI 53706, USA
- Medical Physics Department, University of Wisconsin-Madison, Madison, WI 53706, USA
| |
Collapse
|