Tissue Derivation and Biological Sex Uniquely Mediate Endothelial Cell Protein Expression, Redox Status, and Nitric Oxide Synthesis.

Tissue Derivation and Biological Sex Uniquely Mediate Endothelial Cell Protein Expression, Redox Status, and Nitric Oxide Synthesis.
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DOI:
10.3390/cells12010093
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发表时间:
2022-12-26
期刊:
影响因子:
6
通讯作者:
--
中科院分区:
生物学2区
文献类型:
--
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人类血管内皮细胞通常用于心血管研究,为了解血管内皮细胞在体内的功能提供翻译基础。然而,在体外是否存在性别特异性反应却鲜有人关注。同样,目前还不清楚来自不同组织的内皮细胞是否表现出同质性。在这里,我们证明,在氧化还原状态、一氧化氮合成和相关蛋白方面,来自健康捐赠者的常用人类原代内皮细胞内部和之间存在显著的性别差异,这些蛋白可以调节它们的表达。此外,我们证明了内皮细胞以性别和组织来源依赖的方式对炎性侮辱做出独特的反应。我们的发现表明,在体外研究内皮细胞时,可能需要考虑性别和组织来源,因为来自不同组织和性别的细胞可能不会表现出互换的行为。
Human endothelial cells are routinely utilized in cardiovascular research to provide a translational foundation for understanding how the vascular endothelium functions in vivo. However, little attention has been given to whether there are sex specific responses in vitro. Similarly, it is unclear whether endothelial cells derived from distinct tissues behave in a homogenous manner. Herein, we demonstrate that marked sex differences exist within, and between, commonly utilized human primary endothelial cells from healthy donors, with respect to redox status, nitric oxide synthesis, and associated proteins that can mediate their expression. Further, we demonstrate that endothelial cells respond uniquely to inflammatory insult in a sex- and tissue origin-dependent manner. Our findings suggest sex and tissue derivation may need to be considered when studying endothelial cells in vitro as cells derived from distinct tissue and sexes may not behave interchangeably.
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