Abstract
ABSTRACT Introduction With the growth of the aging population, age-related diseases have become a heavy global burden, particularly cardiovascular and cerebrovascular diseases (CVDs). Endothelial cell (EC) senescence constitutes an essential factor in the development of CVDs, prompting increased focus on strategies to alleviate or reverse EC senescence. Areas covered Small extracellular vesicles (sEVs) are cell-derived membrane structures, that contain proteins, lipids, RNAs, metabolites, growth factors and cytokines. They are widely used in treating CVDs, and show remarkable therapeutic potential in alleviating age-related CVDs by inhibiting or reversing EC senescence. However, unclear anti-senescence mechanism poses challenges for clinical application of sEVs, and a systematic review is lacking. Expert opinion Targeting senescent ECs with sEVs in age-related CVDs treatment represents a promising therapeutic strategy, with modifying sEVs and their contents emerging as a prevalent approach. Nevertheless, challenges remain, such as identifying and selectively targeting senescent cells, understanding the consequences of removing senescent ECs and senescence-associated secretory phenotype (SASP), and assessing the side effects of therapeutic sEVs on CVDs. More substantial experimental and clinical data are needed to advance clinical practice.
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