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January 26, 2018Circulation Research

Unlike fetal or neonatal endocardium, adult endocardium generates minimal, if any, coronary arteries or vascular endothelial cells during cardiac homeostasis or after cardiac injuries.

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Population

Inducible adult endocardial Cre line (Npr3-CreER) mice

Comparison

4 cardiac injury models: myocardial infarction… vs Cardiac homeostasis (uninjured state)

Design

Preclinical

Key result

Unlike fetal or neonatal endocardium, adult endocardium generates minimal, if any, coronary arteries or vascular endothelial cells during cardiac homeostasis or after cardiac injuries.

Authors

JTJuan TangHZHui ZhangLHLingjuan He

Discussion

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Overview

Questions endocardial targeting for adult neovascularization; leaves open primary cellular sources of coronary endothelium post-injury.

Structured PICO

P
Population
Adult mice subjected to cardiac injury models (myocardial infarction, ischemia-reperfusion, cryoinjury, transverse aortic constriction) to study endocardial cell fate.
I
Intervention
4 cardiac injury models: myocardial infarction, myocardial ischemia-reperfusion, cryoinjury, and transverse aortic constriction
C
Comparator
Cardiac homeostasis (uninjured state)
O
Outcome
Contribution of adult endocardial cells to coronary endothelial cells (neovascularization)

Unlike fetal or neonatal endocardium, adult endocardial cells do not significantly contribute to neovascularization after cardiac injury.

Cite This Study

Tang et al. (2018) studied Cardiac injury. Cardiac injury models (myocardial infarction, ischemia-reperfusion, cryoinjury, transverse aortic constriction) vs. Homeostasis (uninjured) was evaluated on Contribution of adult endocardium to coronary endothelial cells. Unlike fetal or neonatal endocardium, adult endocardium generates minimal, if any, coronary arteries or vascular endothelial cells during cardiac homeostasis or after cardiac injuries.

synapsesocial.com/papers/6a9430ec189c14fbc5b95476https://doi.org/10.1161/circresaha.117.312354
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Endocardium Minimally Contributes to Coronary Endothelium in the Embryonic Ventricular Free Walls2016 · 153 citations
  2. 2Endothelial Cells Contribute to Generation of Adult Ventricular Myocytes during Cardiac Homeostasis2014 · 57 citations
  3. 3Preexisting endothelial cells mediate cardiac neovascularization after injury2017 · 226 citations
  4. 4Recapitulation of developmental mechanisms to revascularize the ischemic heart2017 · 74 citations
  5. 5Single-cell transcriptome analyses reveal novel targets modulating cardiac neovascularization by resident endothelial cells following myocardial infarction2019 · 215 citations