Proteomic Identification Reveals the Role of Ciliary Extracellular-Like Vesicle in Cardiovascular Function.
aortic stenosis
arrythmia
cardiac edema
extracellular vesicles
fibrosis
hypotension
primary cilia
Journal
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
ISSN: 2198-3844
Titre abrégé: Adv Sci (Weinh)
Pays: Germany
ID NLM: 101664569
Informations de publication
Date de publication:
Aug 2020
Aug 2020
Historique:
received:
04
11
2019
revised:
07
04
2020
entrez:
25
8
2020
pubmed:
25
8
2020
medline:
25
8
2020
Statut:
epublish
Résumé
Primary cilia are shown to have membrane swelling, also known as ciliary bulbs. However, the role of these structures and their physiological relevance remains unknown. Here, it is reported that a ciliary bulb has extracellular vesicle (EV)-like characteristics. The ciliary extracellular-like vesicle (cELV) has a unique dynamic movement and can be released by mechanical fluid force. To better identify the cELV, differential multidimensional proteomic analyses are performed on the cELV. A database of 172 cELV proteins is generated, and all that examined are confirmed to be in the cELV. Repressing the expression of these proteins in vitro and in vivo inhibits cELV formation. In addition to the randomized heart looping, hydrocephalus, and cystic kidney in fish, compensated heart contractility is observed in both fish and mouse models. Specifically, low circulation of cELV results in hypotension with compensated heart function, left ventricular hypertrophy, cardiac fibrosis, and arrhythmogenic characteristics, which result in a high mortality rate in mice. Furthermore, the overall ejection fraction, stroke volume, and cardiac output are significantly decreased in mice lacking cELV. It is thus proposed that the cELV as a nanocompartment within a primary cilium plays an important role in cardiovascular functions.
Identifiants
pubmed: 32832346
doi: 10.1002/advs.201903140
pii: ADVS1763
pmc: PMC7435257
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1903140Informations de copyright
© 2020 The Authors. Published by WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim.
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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