Extracellular vesicles: an emerging player in retinal homeostasis.

Extracellular vesicles: an emerging player in retinal homeostasis.
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细胞外囊泡:视网膜内环境稳定的新兴参与者。

DOI:
10.3389/fcell.2023.1059141
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发表时间:
2023
影响因子:
5.5
通讯作者:
Singh, Ruchira
Singh, Ruchira
中科院分区:
生物学2区
文献类型:
--
作者:
Chatterjee, Amit;Singh, Ruchira

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细胞外囊泡(EV)包括不同大小的分泌膜囊泡,包括外泌体(-30-200 nm)和大小为100- 1,000 nm的微囊泡(MV)。EV在自分泌、旁分泌和内分泌信号传导中起重要作用,并且涉及无数人类病症,包括突出的视网膜变性疾病,如年龄相关性黄斑变性(AMD)和糖尿病性视网膜病变(DR)。使用转化的细胞系、原代培养物和最近的诱导多能干细胞衍生的视网膜细胞类型(例如,视网膜色素上皮)的研究提供了对视网膜中EV的组成和功能的了解。此外,与EV在视网膜变性疾病中的因果作用一致,改变EV组成在体外和体内模型中都促进了促视网膜病变细胞和分子事件。在这篇综述中,我们总结了目前对EV在视网膜(病理)生理学中的作用的认识。具体来说,我们将重点关注特定视网膜疾病中与疾病相关的EV改变。此外,我们还讨论了EV在针对视网膜疾病的诊断和治疗策略中的潜在效用。
Extracellular vesicles (EVs) encompass secreted membrane vesicles of varied sizes, including exosomes (−30–200 nm) and microvesicles (MVs) that are ∼100–1,000 nm in size. EVs play an important role in autocrine, paracrine, and endocrine signaling and are implicated in myriad human disorders including prominent retinal degenerative diseases, like age related macular degeneration (AMD) and diabetic retinopathy (DR). Studies of EVs in vitro using transformed cell lines, primary cultures, and more recently, induced pluripotent stem cell derived retinal cell type(s) (e.g., retinal pigment epithelium) have provided insights into the composition and function of EVs in the retina. Furthermore, consistent with a causal role of EVs in retinal degenerative diseases, altering EV composition has promoted pro-retinopathy cellular and molecular events in both in vitro and in vivo models. In this review, we summarize the current understanding of the role of EVs in retinal (patho)physiology. Specifically, we will focus on disease-associated EV alterations in specific retinal diseases. Furthermore, we discuss the potential utility of EVs in diagnostic and therapeutic strategies for targeting retinal diseases.
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