ArticleThe journals of gerontology. Series A, Biological sciences and medical sciences2012
Disruption of Nrf2 signaling impairs angiogenic capacity of endothelial cells: implications for microvascular aging.
Article in The journals of gerontology. Series A, Biological sciences and medical sciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 100 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
100 citing papers in PubMed, 1 synthesis or guideline pooled it, 140 citations in OpenAlex.
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- The Role of NRF2 in Cerebrovascular Protection: Implications for Vascular Cognitive Impairment and Dementia (VCID).International journal of molecular sciences · 2024Review
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- The Role of Methionine-Rich Diet in Unhealthy Cerebrovascular and Brain Aging: Mechanisms and Implications for Cognitive Impairment.Nutrients · 2023Review
- Candidate SNP Markers Significantly Altering the Affinity of TATA-Binding Protein for the Promoters of Human Hub Genes for Atherogenesis, Atherosclerosis and Atheroprotection.International journal of molecular sciences · 2023Article
- Nrf2 and Oxidative Stress: A General Overview of Mechanisms and Implications in Human Disease.Antioxidants (Basel, Switzerland) · 2022Review
40 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
Abstract
The redox-sensitive transcription factor NF-E2-related factor 2 (Nrf2) plays a key role in preserving a healthy endothelial phenotype and maintaining the functional integrity of the vasculature. Previous studies demonstrated that aging is associated with Nrf2 dysfunction in endothelial cells, which alters redox signaling and likely promotes the development of large vessel disease. Much less is known about the consequences of Nrf2 dysfunction at the level of the microcirculation. To test the hypothesis that Nrf2 regulates angiogenic capacity of endothelial cells, we determined whether disruption of Nrf2 signaling (by siRNA knockdown of Nrf2 and overexpression of Keap1, the cytosolic repressor of Nrf2) impairs angiogenic processes in cultured human coronary arterial endothelial cells stimulated with vascular endothelial growth factor and insulin-like growth factor-1. In the absence of functional Nrf2, coronary arterial endothelial cells exhibited impaired proliferation and adhesion to vitronectin and collagen. Disruption of Nrf2 signaling also reduced cellular migration (measured by a wound-healing assay using electric cell-substrate impedance sensing technology) and impaired the ability of coronary arterial endothelial cells to form capillary-like structures. Collectively, we find that Nrf2 is essential for normal endothelial angiogenic processes, suggesting that Nrf2 dysfunction may be a potential mechanism underlying impaired angiogenesis and microvascular rarefaction in aging.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.