4.7 Article

Uncovering emergent phenotypes in endothelial cells by clustering of surrogates of cardiovascular risk factors

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SCIENTIFIC REPORTS
卷 12, 期 1, 页码 -

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NATURE PORTFOLIO
DOI: 10.1038/s41598-022-05404-7

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资金

  1. Coordination for the Improvement of Higher Education Personnel [CAPES 88882.328126/2019-01]
  2. Sao Paulo Research Foundation Fundacao de Amparo a Pesquisa do Estado de Sao Paulo [FAPESP-INCT-20214/50889-7, 2013/17368-0]
  3. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico-CNPq [INCT-465586/2014-7, 309179/2013-0]

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This study examined the influence of different factors on endothelial dysfunction using global gene expression in human coronary artery endothelial cells, revealing a potential hierarchical interaction between surrogate risk factors of cardiovascular disease and the emergence of phenotypes affecting ED.
Endothelial dysfunction (ED) is a hallmark of atherosclerosis and is influenced by well-defined risk factors, including hypoxia, dyslipidemia, inflammation, and oscillatory flow. However, the individual and combined contributions to the molecular underpinnings of ED remain elusive. We used global gene expression in human coronary artery endothelial cells to identify gene pathways and cellular processes in response to chemical hypoxia, oxidized lipids, IL-1 beta induced inflammation, oscillatory flow, and these combined stimuli. We found that clustering of the surrogate risk factors differed from the sum of the individual insults that gave rise to emergent phenotypes such as cell proliferation. We validated these observations in samples of human coronary artery atherosclerotic plaques analyzed using single-cell RNA sequencing. Our findings suggest a hierarchical interaction between surrogates of CV risk factors and the advent of emergent phenotypes in response to combined stimulation in endothelial cells that may influence ED.

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