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Warwick T, Buchmann GK, Pflüger-Müller B, Spaeth M, Schürmann C, Abplanalp W, Tombor L, John D, Weigert A, Leo-Hansmann M, Dimmeler S, Brandes RP. Acute injury to the mouse carotid artery provokes a distinct healing response. Front Physiol 2023; 14:1125864. [PMID: 36824462 PMCID: PMC9941170 DOI: 10.3389/fphys.2023.1125864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 01/23/2023] [Indexed: 02/10/2023] Open
Abstract
Treatment of vascular stenosis with angioplasty results in acute vascular damage, which may lead to restenosis. Owing to the highly complex cellularity of blood vessels, the healing response following this damage is incompletely understood. To gain further insight into this process, scRNA-seq of mouse carotid tissue after wire injury was performed. Stages of acute inflammation, resolution and remodeling were recapitulated in these data. To identify cell types which give rise to neointima, analyses focused on smooth muscle cell and fibroblast populations, and included data integration with scRNA-seq data from myocardial infarction and atherosclerosis datasets. Following carotid injury, a subpopulation of smooth muscle cells which also arises during atherosclerosis and myocardial infarction was identified. So-called stem cell/endothelial cell/monocyte (SEM) cells are candidates for repopulating injured vessels, and were amongst the most proliferative cell clusters following wire-injury of the carotid artery. Importantly, SEM cells exhibit specific transcriptional profiles which could be therapeutically targeted. SEM cell gene expression patterns could also be detected in bulk RNA-sequencing of neointimal tissue isolated from injured carotid vessels by laser capture microdissection. These data indicate that phenotypic plasticity of smooth muscle cells is highly important to the progression of lumen loss following acute carotid injury. Interference with SEM cell formation could be an innovative approach to combat development of restenosis.
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Affiliation(s)
- Timothy Warwick
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany,German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany
| | - Giulia Karolin Buchmann
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany,German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany
| | - Beatrice Pflüger-Müller
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany,German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany
| | - Manuela Spaeth
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany,German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany
| | - Christoph Schürmann
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany,German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany
| | - Wesley Abplanalp
- German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany,Institute of Cardiovascular Regeneration, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Lukas Tombor
- German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany,Institute of Cardiovascular Regeneration, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - David John
- German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany,Institute of Cardiovascular Regeneration, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Martin Leo-Hansmann
- Department of Pathology, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Stefanie Dimmeler
- German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany,Institute of Cardiovascular Regeneration, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Ralf P. Brandes
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany,German Center for Cardiovascular Research (DZHK), Partner site Rhein Main, Frankfurt am Main, Germany,*Correspondence: Ralf P. Brandes,
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Kirschen GW, Liu H, Lang T, Liang X, Ge S, Xiong Q. The radial organization of neuronal primary cilia is acutely disrupted by seizure and ischemic brain injury. FRONTIERS IN BIOLOGY 2017; 12:124-138. [PMID: 28473847 PMCID: PMC5412953 DOI: 10.1007/s11515-017-1447-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Neuronal primary cilia are sensory organelles that are critically involved in the proper growth, development, and function of the central nervous system (CNS). Recent work also suggests that they signal in the context of CNS injury, and that abnormal ciliary signaling may be implicated in neurological diseases. METHODS We quantified the distribution of neuronal primary cilia alignment throughout the normal adult mouse brain by immunohistochemical staining for the primary cilia marker adenylyl cyclase III (ACIII) and measuring the angles of primary cilia with respect to global and local coordinate planes. We then introduced two different models of acute brain insult-temporal lobe seizure and cerebral ischemia, and re-examined neuronal primary cilia distribution, as well as ciliary lengths and the proportion of neurons harboring cilia. RESULTS Under basal conditions, cortical cilia align themselves radially with respect to the cortical surface, while cilia in the dentate gyrus align themselves radially with respect to the granule cell layer. Cilia of neurons in the striatum and thalamus, by contrast, exhibit a wide distribution of ciliary arrangements. In both cases of acute brain insult, primary cilia alignment was significantly disrupted in a region-specific manner, with areas affected by the insult preferentially disrupted. Further, the two models promoted differential effects on ciliary lengths, while only the ischemia model decreased the proportion of ciliated cells. CONCLUSIONS These findings provide evidence for the regional anatomical organization of neuronal primary cilia in the adult brain and suggest that various brain insults may disrupt this organization.
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Affiliation(s)
- Gregory W. Kirschen
- Medical Scientist Training Program (MSTP), Stony Brook University, Stony Brook, NY 11794, USA
- Molecular & Cellular Pharmacology Program, Stony Brook University, Stony Brook, NY 11794, USA
- Department of Neurobiology & Behavior, Stony Brook University, Stony Brook, NY 11794, USA
| | - Hanxiao Liu
- Department of Neurobiology & Behavior, Stony Brook University, Stony Brook, NY 11794, USA
| | - Tracy Lang
- Department of Neurobiology & Behavior, Stony Brook University, Stony Brook, NY 11794, USA
- Simons Summer Research Program (SSRP)
| | - Xuelin Liang
- Department of Neurobiology & Behavior, Stony Brook University, Stony Brook, NY 11794, USA
| | - Shaoyu Ge
- Department of Neurobiology & Behavior, Stony Brook University, Stony Brook, NY 11794, USA
| | - Qiaojie Xiong
- Department of Neurobiology & Behavior, Stony Brook University, Stony Brook, NY 11794, USA
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Wang H, Yin YG, Huang H, Zhao XH, Yu J, Wang Q, Li W, Cai KY, Ding SF. Transplantation of EPCs overexpressing PDGFR-β promotes vascular repair in the early phase after vascular injury. BMC Cardiovasc Disord 2016; 16:179. [PMID: 27619504 PMCID: PMC5020463 DOI: 10.1186/s12872-016-0353-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 08/26/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Endothelial progenitor cells (EPCs) play important roles in the regeneration of the vascular endothelial cells (ECs). Platelet-derived growth factor receptor (PDGFR)-β is known to contribute to proliferation, migration, and angiogenesis of EPCs, this study aims to investigate effects of transplantation of EPCs overexpressing PDGFR-β on vascular regeneration. METHODS We transplanted genetically modified EPCs overexpressing PDGFR-β into a mouse model with carotid artery injury. After 3 days of EPCs transplantation, the enhanced green fluorescent protein (EGFP)-expressing cells were found at the injury site and the lining of the lumen by laser scanning confocal microscope (LSCM). At 4, 7, and 14 days of the carotid artery injury, reendothelialization was evaluated by Evans Blue staining. Neointima formation was evaluated at day 14 with hematoxylin and eosin (HE) staining by calculating the neointimal area, medial area, and neointimal/media (NI/M) ratio. Intimal cell apoptosis was evaluated using TUNEL assay. Then we tested whether PDGF-BB-induced VSMC migration and PDGF-BB's function in reducing VSMC apoptosis can be attenuated by EPCs overexpressing PDGFR-β in a transwell co-culture system. RESULTS Our results showed that EPCs overexpressing PDGFR-β accelerates reendothelialization and mitigates neointimal formation at 14 days after injury. Moreover, we found that there is great possibility that EPCs overexpressing PDGFR-β enhanc VSMC apoptosis and suppress VSMC migration by competitive consumption of PDGF-BB in the early phase after carotid artery injury in mice. CONCLUSIONS We report the first in vivo and in vitro evidence that transplantation of genetically modified EPC can have a combined effect of both amplifying the reendothelialization capacity of EPCs and inhibiting neointima formation so as to facilitate better inhibition of adverse remodeling after vascular injury.
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Affiliation(s)
- Hang Wang
- Cadre Ward Two, Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430070, China
| | - Yang-Guang Yin
- Intensive Care Unit, The sixth people's hospital of Chongqing, Nan'an District, Chongqing, 400060, China
| | - Hao Huang
- Clinic center, Shenzhen Hornetcorn Biotechnology Company, Ltd, Shenzhen, 518400, China
| | - Xiao-Hui Zhao
- Institute of Cardiovascular Science, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, China
| | - Jie Yu
- Institute of Cardiovascular Science, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, China
| | - Qiang Wang
- Institute of Cardiovascular Science, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, China
| | - Wei Li
- Institute of Cardiovascular Science, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, China
| | - Ke-Yin Cai
- Cadre Ward Two, Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430070, China
| | - Shi-Fang Ding
- Institute of Cardiovascular Science, Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430070, China.
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Le V, Johnson CG, Lee JD, Baker AB. Murine model of femoral artery wire injury with implantation of a perivascular drug delivery patch. J Vis Exp 2015:e52403. [PMID: 25742368 DOI: 10.3791/52403] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Percutaneous interventions including balloon angioplasty and stenting have been used to restore blood flow in vessels with occlusive vascular disease. While these therapies lead to the rapid restoration of blood flow, these technologies remain limited by restenosis in the case of bare metal stents and angioplasty, or reduced healing and possibly enhanced risk of thrombosis in the case of drug eluting stents. A key pathophysiological mechanism in the formation of restenosis is intimal hyperplasia caused by the activation of vascular smooth muscle cells and inflammation due to arterial stretch and injury. Surgeries that induce arterial injury in genetically modified mice are useful for the mechanistic study of the vascular response to injury but are often technically challenging to perform in mouse models due to the their small size and lack of appropriate sized devices. We describe two approaches for a surgical technique that induces endothelial denudation and arterial stretch in the femoral artery of mice to produce robust neointimal hyperplasia. The first approach creates an arteriotomy in the muscular branch of the femoral artery to obtain vascular access. Following wire injury this arterial branch is ligated to close the arteriotomy. A second approach creates an arteriotomy in the main femoral artery that is later closed through localized cautery. This method allows for vascular access through a larger vessel and, consequently, provides a less technically demanding procedure that can be used in smaller mice. Following either method of arterial injury, a degradable drug delivery patch can be placed over or around the injured artery to deliver therapeutic agents.
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Affiliation(s)
- Victoria Le
- Department of Biomedical Engineering, University of Texas at Austin
| | - Collin G Johnson
- Department of Biomedical Engineering, University of Texas at Austin
| | - Jonathan D Lee
- Department of Biomedical Engineering, University of Texas at Austin
| | - Aaron B Baker
- Department of Biomedical Engineering, University of Texas at Austin;
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