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细胞外囊泡作为细胞衰老中的新角色

Extracellular Vesicles as New Players in Cellular Senescence.

作者信息

Urbanelli Lorena, Buratta Sandra, Sagini Krizia, Tancini Brunella, Emiliani Carla

机构信息

Department of Chemistry, Biology and Biotechnology, University of Perugia, Via del Giochetto, 06123 Perugia, Italy.

Centro di Eccellenza sui Materiali Innovativi Nanostrutturati (CEMIN), University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.

出版信息

Int J Mol Sci. 2016 Aug 26;17(9):1408. doi: 10.3390/ijms17091408.

Abstract

Cell senescence is associated with the secretion of many factors, the so-called "senescence-associated secretory phenotype", which may alter tissue microenvironment, stimulating the organism to clean up senescent cells and replace them with newly divided ones. Therefore, although no longer dividing, these cells are still metabolically active and influence the surrounding tissue. Much attention has been recently focused not only on soluble factors released by senescent cells, but also on extracellular vesicles as conveyors of senescence signals outside the cell. Here, we give an overview of the role of extracellular vesicles in biological processes and signaling pathways related to senescence and aging.

摘要

细胞衰老与多种因子的分泌有关,即所谓的“衰老相关分泌表型”,这可能会改变组织微环境,刺激机体清除衰老细胞并用新分裂的细胞取而代之。因此,尽管这些细胞不再分裂,但它们仍具有代谢活性并影响周围组织。最近,人们不仅关注衰老细胞释放的可溶性因子,还关注细胞外囊泡作为细胞外衰老信号的传递者。在这里,我们概述细胞外囊泡在与衰老和老化相关的生物过程和信号通路中的作用。

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