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Crawshaw JR, Flegg JA, Bernabeu MO, Osborne JM. Mathematical models of developmental vascular remodelling: A review. PLoS Comput Biol 2023; 19:e1011130. [PMID: 37535698 PMCID: PMC10399886 DOI: 10.1371/journal.pcbi.1011130] [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] [Indexed: 08/05/2023] Open
Abstract
Over the past 40 years, there has been a strong focus on the development of mathematical models of angiogenesis, while developmental remodelling has received little such attention from the mathematical community. Sprouting angiogenesis can be seen as a very crude way of laying out a primitive vessel network (the raw material), while remodelling (understood as pruning of redundant vessels, diameter control, and the establishment of vessel identity and hierarchy) is the key to turning that primitive network into a functional network. This multiscale problem is of prime importance in the development of a functional vasculature. In addition, defective remodelling (either during developmental remodelling or due to a reactivation of the remodelling programme caused by an injury) is associated with a significant number of diseases. In this review, we discuss existing mathematical models of developmental remodelling and explore the important contributions that these models have made to the field of vascular development. These mathematical models are effectively used to investigate and predict vascular development and are able to reproduce experimentally observable results. Moreover, these models provide a useful means of hypothesis generation and can explain the underlying mechanisms driving the observed structural and functional network development. However, developmental vascular remodelling is still a relatively new area in mathematical biology, and many biological questions remain unanswered. In this review, we present the existing modelling paradigms and define the key challenges for the field.
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Affiliation(s)
- Jessica R. Crawshaw
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, United Kingdom
- School of Mathematics and Statistics, The University of Melbourne, Melbourne, Australia
| | - Jennifer A. Flegg
- School of Mathematics and Statistics, The University of Melbourne, Melbourne, Australia
| | - Miguel O. Bernabeu
- Centre for Medical Informatics, The Usher Institute, University of Edinburgh, Edinburgh, United Kingdom
- The Bayes Centre, The University of Edinburgh, Edinburgh, United Kingdom
| | - James M. Osborne
- School of Mathematics and Statistics, The University of Melbourne, Melbourne, Australia
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Wen L, Yan W, Zhu L, Tang C, Wang G. The role of blood flow in vessel remodeling and its regulatory mechanism during developmental angiogenesis. Cell Mol Life Sci 2023; 80:162. [PMID: 37221410 PMCID: PMC11072276 DOI: 10.1007/s00018-023-04801-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 04/06/2023] [Accepted: 05/06/2023] [Indexed: 05/25/2023]
Abstract
Vessel remodeling is essential for a functional and mature vascular network. According to the difference in endothelial cell (EC) behavior, we classified vessel remodeling into vessel pruning, vessel regression and vessel fusion. Vessel remodeling has been proven in various organs and species, such as the brain vasculature, subintestinal veins (SIVs), and caudal vein (CV) in zebrafish and yolk sac vessels, retina, and hyaloid vessels in mice. ECs and periendothelial cells (such as pericytes and astrocytes) contribute to vessel remodeling. EC junction remodeling and actin cytoskeleton dynamic rearrangement are indispensable for vessel pruning. More importantly, blood flow has a vital role in vessel remodeling. In recent studies, several mechanosensors, such as integrins, platelet endothelial cell adhesion molecule-1 (PECAM-1)/vascular endothelial cell (VE-cadherin)/vascular endothelial growth factor receptor 2 (VEGFR2) complex, and notch1, have been shown to contribute to mechanotransduction and vessel remodeling. In this review, we highlight the current knowledge of vessel remodeling in mouse and zebrafish models. We further underline the contribution of cellular behavior and periendothelial cells to vessel remodeling. Finally, we discuss the mechanosensory complex in ECs and the molecular mechanisms responsible for vessel remodeling.
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Affiliation(s)
- Lin Wen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Wenhua Yan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Li Zhu
- Cyrus Tang Hematology Center, Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology of Jiangsu Province, Soochow University, Suzhou, 215123, China
| | - Chaojun Tang
- Cyrus Tang Hematology Center, Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology of Jiangsu Province, Soochow University, Suzhou, 215123, China.
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
- JinFeng Laboratory, Chongqing, 401329, China.
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Mehta A, Desai A, Rudd D, Siddiqui G, Nowell CJ, Tong Z, Creek DJ, Tayalia P, Gandhi PS, Voelcker NH. Bio-Mimicking Brain Vasculature to Investigate the Role of Heterogeneous Shear Stress in Regulating Barrier Integrity. Adv Biol (Weinh) 2022; 6:e2200152. [PMID: 35999436 DOI: 10.1002/adbi.202200152] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/04/2022] [Indexed: 01/28/2023]
Abstract
A continuous, sealed endothelial membrane is essential for the blood-brain barrier (BBB) to protect neurons from toxins present in systemic circulation. Endothelial cells are critical sensors of the capillary environment, where factors like fluid shear stress (FSS) and systemic signaling molecules activate intracellular pathways that either promote or disrupt the BBB. The brain vasculature exhibits complex heterogeneity across the bed, which is challenging to recapitulate in BBB microfluidic models with fixed dimensions and rectangular cross-section microchannels. Here, a Cayley-tree pattern, fabricated using lithography-less, fluid shaping technique in a modified Hele-Shaw cell is used to emulate the brain vasculature in a microfluidic chip. This geometry generates an inherent distribution of heterogeneous FSS, due to smooth variations in branch height and width. hCMEC/D3 endothelial cells cultured in the Cayley-tree designed chip generate a 3D monolayer of brain endothelium with branching hierarchy, enabling the study of the effect of heterogeneous FSS on the brain endothelium. The model is employed to study neuroinflammatory conditions by stimulating the brain endothelium with tumor necrosis factor-α under heterogeneous FSS conditions. The model has immense potential for studies involving drug transport across the BBB, which can be misrepresented in fixed dimension models.
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Affiliation(s)
- Ami Mehta
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.,Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, 400076, India.,IITB-Monash Research Academy, Mumbai, 400076, India
| | - Anal Desai
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
| | - David Rudd
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
| | - Ghizal Siddiqui
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
| | - Cameron J Nowell
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.,Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
| | - Ziqiu Tong
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
| | - Darren J Creek
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
| | - Prakriti Tayalia
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, 400076, India
| | - Prasanna S Gandhi
- Suman Mashruwala Advanced Microengineering Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Bombay, Mumbai, 400076, India
| | - Nicolas H Voelcker
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.,Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, Clayton, VIC, 3168, Australia.,Department of Materials Science and Engineering, Monash University, Clayton, VIC, 3800, Australia
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Edgar LT, Park H, Crawshaw JR, Osborne JM, Eichmann A, Bernabeu MO. Traffic Patterns of the Migrating Endothelium: How Force Transmission Regulates Vascular Malformation and Functional Shunting During Angiogenic Remodelling. Front Cell Dev Biol 2022; 10:840066. [PMID: 35663401 PMCID: PMC9160721 DOI: 10.3389/fcell.2022.840066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 04/05/2022] [Indexed: 11/13/2022] Open
Abstract
Angiogenesis occurs in distinct phases: initial spouting is followed by remodelling in which endothelial cells (ECs) composing blood vessels rearrange by migrating against the direction of flow. Abnormal remodelling can result in vascular malformation. Such is the case in mutation of the Alk1 receptor within the mouse retina which disrupts flow-migration coupling, creating mixed populations of ECs polarised with/against flow which aggregate into arteriovenous malformations (AVMs). The lack of live imaging options in vivo means that the collective EC dynamics that drive AVM and the consequences of mixed populations of polarity remain a mystery. Therefore, our goal is to present a novel agent-based model to provide theoretical insight into EC force transmission and collective dynamics during angiogenic remodelling. Force transmission between neighbouring agents consists of extrusive forces which maintain spacing and cohesive forces which maintain the collective. We performed migration simulations within uniformly polarised populations (against flow) and mixed polarity (with/against flow). Within uniformly polarised populations, extrusive forces stabilised the plexus by facilitating EC intercalation which ensures that cells remained evenly distributed. Excess cohesion disrupts intercalation, resulting in aggregations of cells and functional shunting. Excess cohesion between ECs prevents them from resolving diameter balances within the plexus, leading to prolonged flow reversals which exert a critical behaviour change within the system as they switch the direction of cell migration and traffic patterns at bifurcations. Introducing mixtures of cell polarity dramatically changed the role of extrusive forces within the system. At low extrusion, opposing ECs were able to move past each other; however, at high extrusion the pushing between cells resulted in migration speeds close to zero, forming traffic jams and disrupting migration. In our study, we produced vascular malformations and functional shunting with either excess cohesion between ECs or mixtures of cell polarity. At the centre of both these mechanisms are cell-cell adherens junctions, which are involved in flow sensing/polarity and must remodelling dynamically to allow rearrangements of cells during vascular patterning. Thus, our findings implicate junctional dysfunction as a new target in the treatment and prevention of vascular disease and AVMs.
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Affiliation(s)
- Lowell T. Edgar
- Centre for Medical Informatics, Usher Institute, The University of Edinburgh, Edinburgh, United Kingdom
- *Correspondence: Lowell T. Edgar, ; Miguel O. Bernabeu,
| | - Hyojin Park
- Cardiovascular Research Center Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Jessica R. Crawshaw
- School of Mathematics and Statistics, University of Melbourne, Melbourne, VIC, Australia
| | - James M. Osborne
- School of Mathematics and Statistics, University of Melbourne, Melbourne, VIC, Australia
| | - Anne Eichmann
- Cardiovascular Research Center Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
- Yale University School of Medicine, Department of Cellular and Molecular Physiology, New Haven, CT, United States
- Université de Paris, PARCC, INSERM, Paris, France
| | - Miguel O. Bernabeu
- Centre for Medical Informatics, Usher Institute, The University of Edinburgh, Edinburgh, United Kingdom
- The Bayes Centre, The University of Edinburgh, Edinburgh, United Kingdom
- *Correspondence: Lowell T. Edgar, ; Miguel O. Bernabeu,
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Rosa A, Giese W, Meier K, Alt S, Klaus-Bergmann A, Edgar LT, Bartels E, Collins R, Szymborska A, Coxam B, Bernabeu MO, Gerhardt H. Wasp controls oriented migration of endothelial cells to achieve functional vascular patterning. Development 2021; 149:273808. [PMID: 34931661 PMCID: PMC8918813 DOI: 10.1242/dev.200195] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/10/2021] [Indexed: 11/21/2022]
Abstract
Endothelial cell migration and proliferation are essential for the establishment of a hierarchical organization of blood vessels and optimal distribution of blood. However, how these cellular processes are quantitatively coordinated to drive vascular network morphogenesis remains unknown. Here, using the zebrafish vasculature as a model system, we demonstrate that the balanced distribution of endothelial cells, as well as the resulting regularity of vessel calibre, is a result of cell migration from veins towards arteries and cell proliferation in veins. We identify the Wiskott-Aldrich Syndrome protein (WASp) as an important molecular regulator of this process and show that loss of coordinated migration from veins to arteries upon wasb depletion results in aberrant vessel morphology and the formation of persistent arteriovenous shunts. We demonstrate that WASp achieves its function through the coordination of junctional actin assembly and PECAM1 recruitment and provide evidence that this is conserved in humans. Overall, we demonstrate that functional vascular patterning in the zebrafish trunk is established through differential cell migration regulated by junctional actin, and that interruption of differential migration may represent a pathomechanism in vascular malformations. Summary: Regular diameter of developing veins and arteries in the zebrafish trunk is controlled by differential endothelial cell proliferation and WASp-driven directed cell migration.
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Affiliation(s)
- André Rosa
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Wolfgang Giese
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Katja Meier
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Silvanus Alt
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Alexandra Klaus-Bergmann
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Lowell T Edgar
- Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, UK
| | - Eireen Bartels
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Russell Collins
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Anna Szymborska
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Baptiste Coxam
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
| | - Miguel O Bernabeu
- Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, UK.,The Bayes Centre, The University of Edinburgh, Edinburgh, United Kingdom. 5 Berlin Institute of Health (BIH), Berlin, Germany
| | - Holger Gerhardt
- Integrative Vascular Biology Laboratory, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Germany.,DZHK (German Center for Cardiovascular Research), partner site Berlin, Germany
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