Preexisting endothelial cells mediate cardiac neovascularization after injury

The mechanisms that promote the generation of new coronary vasculature during cardiac homeostasis and after injury remain a fundamental and clinically important area of study in the cardiovascular field. Recently, it was reported that mesenchymal-to-endothelial transition (MEndoT) contributes to sub...

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Veröffentlicht in:The Journal of clinical investigation 2017-08, Vol.127 (8), p.2968-2981
Hauptverfasser: He, Lingjuan, Huang, Xiuzhen, Kanisicak, Onur, Li, Yi, Wang, Yue, Li, Yan, Pu, Wenjuan, Liu, Qiaozhen, Zhang, Hui, Tian, Xueying, Zhao, Huan, Liu, Xiuxiu, Zhang, Shaohua, Nie, Yu, Hu, Shengshou, Miao, Xiang, Wang, Qing-Dong, Wang, Fengchao, Chen, Ting, Xu, Qingbo, Lui, Kathy O, Molkentin, Jeffery D, Zhou, Bin
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container_end_page 2981
container_issue 8
container_start_page 2968
container_title The Journal of clinical investigation
container_volume 127
creator He, Lingjuan
Huang, Xiuzhen
Kanisicak, Onur
Li, Yi
Wang, Yue
Li, Yan
Pu, Wenjuan
Liu, Qiaozhen
Zhang, Hui
Tian, Xueying
Zhao, Huan
Liu, Xiuxiu
Zhang, Shaohua
Nie, Yu
Hu, Shengshou
Miao, Xiang
Wang, Qing-Dong
Wang, Fengchao
Chen, Ting
Xu, Qingbo
Lui, Kathy O
Molkentin, Jeffery D
Zhou, Bin
description The mechanisms that promote the generation of new coronary vasculature during cardiac homeostasis and after injury remain a fundamental and clinically important area of study in the cardiovascular field. Recently, it was reported that mesenchymal-to-endothelial transition (MEndoT) contributes to substantial numbers of coronary endothelial cells after myocardial infarction. Therefore, the MEndoT has been proposed as a paradigm mediating neovascularization and is considered a promising therapeutic target in cardiac regeneration. Here, we show that preexisting endothelial cells mainly beget new coronary vessels in the adult mouse heart, with essentially no contribution from other cell sources through cell-lineage transdifferentiation. Genetic-lineage tracing revealed that cardiac fibroblasts expand substantially after injury, but do not contribute to the formation of new coronary blood vessels, indicating no contribution of MEndoT to neovascularization. Moreover, genetic-lineage tracing with a pulse-chase labeling strategy also showed that essentially all new coronary vessels in the injured heart are derived from preexisting endothelial cells, but not from other cell lineages. These data indicate that therapeutic strategies for inducing neovascularization should not be based on targeting presumptive lineage transdifferentiation such as MEndoT. Instead, preexisting endothelial cells appear more likely to be the therapeutic target for promoting neovascularization and driving heart regeneration after injury.
doi_str_mv 10.1172/JCI93868
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Recently, it was reported that mesenchymal-to-endothelial transition (MEndoT) contributes to substantial numbers of coronary endothelial cells after myocardial infarction. Therefore, the MEndoT has been proposed as a paradigm mediating neovascularization and is considered a promising therapeutic target in cardiac regeneration. Here, we show that preexisting endothelial cells mainly beget new coronary vessels in the adult mouse heart, with essentially no contribution from other cell sources through cell-lineage transdifferentiation. Genetic-lineage tracing revealed that cardiac fibroblasts expand substantially after injury, but do not contribute to the formation of new coronary blood vessels, indicating no contribution of MEndoT to neovascularization. Moreover, genetic-lineage tracing with a pulse-chase labeling strategy also showed that essentially all new coronary vessels in the injured heart are derived from preexisting endothelial cells, but not from other cell lineages. 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Huang, Xiuzhen ; Kanisicak, Onur ; Li, Yi ; Wang, Yue ; Li, Yan ; Pu, Wenjuan ; Liu, Qiaozhen ; Zhang, Hui ; Tian, Xueying ; Zhao, Huan ; Liu, Xiuxiu ; Zhang, Shaohua ; Nie, Yu ; Hu, Shengshou ; Miao, Xiang ; Wang, Qing-Dong ; Wang, Fengchao ; Chen, Ting ; Xu, Qingbo ; Lui, Kathy O ; Molkentin, Jeffery D ; Zhou, Bin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c709t-2a7e9c54fa3f865b0e91940cfa7d7e4032cb8ca81c26be21c2989e03086b26313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Angiogenesis</topic><topic>Animals</topic><topic>Biomedical research</topic><topic>Blood vessels</topic><topic>Cardiomyocytes</topic><topic>Cardiovascular disease</topic><topic>Cell Lineage</topic><topic>Coronary Circulation</topic><topic>Coronary vessels</topic><topic>Coronary Vessels - cytology</topic><topic>Endothelial cells</topic><topic>Endothelial Cells - cytology</topic><topic>Endothelium</topic><topic>Endothelium - metabolism</topic><topic>Fatty acids</topic><topic>Female</topic><topic>Fibroblasts</topic><topic>Health aspects</topic><topic>Heart</topic><topic>Heart - physiology</topic><topic>Heart attacks</topic><topic>Heart failure</topic><topic>Heart Injuries - metabolism</topic><topic>Homeostasis</topic><topic>Male</topic><topic>Mesenchyme</topic><topic>Mesoderm - metabolism</topic><topic>Mice</topic><topic>Myocardial infarction</topic><topic>Myocardial Infarction - metabolism</topic><topic>Neovascularization</topic><topic>Neovascularization, Pathologic</topic><topic>Nitric oxide</topic><topic>Proteins</topic><topic>Recombination, Genetic</topic><topic>Regeneration</topic><topic>Rodents</topic><topic>Studies</topic><topic>Transgenes</topic><topic>Vascularization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>He, Lingjuan</creatorcontrib><creatorcontrib>Huang, Xiuzhen</creatorcontrib><creatorcontrib>Kanisicak, Onur</creatorcontrib><creatorcontrib>Li, Yi</creatorcontrib><creatorcontrib>Wang, Yue</creatorcontrib><creatorcontrib>Li, Yan</creatorcontrib><creatorcontrib>Pu, Wenjuan</creatorcontrib><creatorcontrib>Liu, Qiaozhen</creatorcontrib><creatorcontrib>Zhang, Hui</creatorcontrib><creatorcontrib>Tian, Xueying</creatorcontrib><creatorcontrib>Zhao, Huan</creatorcontrib><creatorcontrib>Liu, Xiuxiu</creatorcontrib><creatorcontrib>Zhang, Shaohua</creatorcontrib><creatorcontrib>Nie, Yu</creatorcontrib><creatorcontrib>Hu, Shengshou</creatorcontrib><creatorcontrib>Miao, Xiang</creatorcontrib><creatorcontrib>Wang, Qing-Dong</creatorcontrib><creatorcontrib>Wang, Fengchao</creatorcontrib><creatorcontrib>Chen, Ting</creatorcontrib><creatorcontrib>Xu, Qingbo</creatorcontrib><creatorcontrib>Lui, Kathy O</creatorcontrib><creatorcontrib>Molkentin, Jeffery D</creatorcontrib><creatorcontrib>Zhou, Bin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Opposing Viewpoints</collection><collection>Gale In Context: Science</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing &amp; 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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Journals@Ovid Ovid Autoload; PubMed Central; Alma/SFX Local Collection
subjects Angiogenesis
Animals
Biomedical research
Blood vessels
Cardiomyocytes
Cardiovascular disease
Cell Lineage
Coronary Circulation
Coronary vessels
Coronary Vessels - cytology
Endothelial cells
Endothelial Cells - cytology
Endothelium
Endothelium - metabolism
Fatty acids
Female
Fibroblasts
Health aspects
Heart
Heart - physiology
Heart attacks
Heart failure
Heart Injuries - metabolism
Homeostasis
Male
Mesenchyme
Mesoderm - metabolism
Mice
Myocardial infarction
Myocardial Infarction - metabolism
Neovascularization
Neovascularization, Pathologic
Nitric oxide
Proteins
Recombination, Genetic
Regeneration
Rodents
Studies
Transgenes
Vascularization
title Preexisting endothelial cells mediate cardiac neovascularization after injury
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