The Exosome-Transmitted lncRNA LOC100132249 Induces Endothelial Dysfunction in Diabetic Retinopathy
© 2023 by the American Diabetes Association..
Diabetic retinopathy (DR), one of the most common microangiopathic complications in diabetes, causes severe visual damage among working-age populations. Retinal vascular endothelial cells, the key cell type in DR pathogenesis, are responsible for abnormal retinal angiogenesis in advanced stages of DR. The roles of exosomes in DR have been largely unknown. In this study, we report the first evidence that exosomes derived from the vitreous humor of patients with proliferative DR (PDR-exo) promote proliferation, migration, and tube formation of human retinal vascular endothelial cells (HRVECs). We identified long noncoding RNA (lncRNA) LOC100132249 enrichment in PDR-exo via high-throughput sequencing. This lncRNA, also mainly derived from HRVECs, promoted angiogenesis both in vitro and in vivo. Mechanistically, LOC100132249 acted as a competing endogenous sponge of miRNA-199a-5p (miR-199a-5p), thus regulating the endothelial-mesenchymal transition promoter SNAI1 via activation of the Wnt/β-catenin pathway and ultimately resulting in endothelial dysfunction. In conclusion, our findings underscored the pathogenic role of endothelial-derived exosomes via the LOC100132249/miR-199a-5p/SNAI1 axis in DR angiogenesis and may shed light on new therapeutic strategies for future treatment of DR.
ARTICLE HIGHLIGHTS: This study provides the first evidence that exosomes derived from vitreous humor from patients with proliferative diabetic retinopathy participate in angiogenesis. The findings demonstrate an unreported long noncoding RNA (lncRNA), LOC100132249, by exosomal sequencing of vitreous humor. The newly found lncRNA LOC100132249, mainly derived from endothelial cells, promotes angiogenesis via an miRNA-199a-5p/SNAI1/Wnt/β-catenin axis in a pro-endothelial-mesenchymal transition manner.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:72 |
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| Enthalten in: |
Diabetes - 72(2023), 9 vom: 01. Sept., Seite 1307-1319 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hu, Zizhong [VerfasserIn] |
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| Links: |
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| Themen: |
Beta Catenin |
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| Anmerkungen: |
Date Completed 25.08.2023 Date Revised 29.08.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.2337/db22-0435 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM358491592 |
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| 100 | 1 | |a Hu, Zizhong |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The Exosome-Transmitted lncRNA LOC100132249 Induces Endothelial Dysfunction in Diabetic Retinopathy |
| 264 | 1 | |c 2023 | |
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| 500 | |a Date Revised 29.08.2023 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 by the American Diabetes Association. | ||
| 520 | |a Diabetic retinopathy (DR), one of the most common microangiopathic complications in diabetes, causes severe visual damage among working-age populations. Retinal vascular endothelial cells, the key cell type in DR pathogenesis, are responsible for abnormal retinal angiogenesis in advanced stages of DR. The roles of exosomes in DR have been largely unknown. In this study, we report the first evidence that exosomes derived from the vitreous humor of patients with proliferative DR (PDR-exo) promote proliferation, migration, and tube formation of human retinal vascular endothelial cells (HRVECs). We identified long noncoding RNA (lncRNA) LOC100132249 enrichment in PDR-exo via high-throughput sequencing. This lncRNA, also mainly derived from HRVECs, promoted angiogenesis both in vitro and in vivo. Mechanistically, LOC100132249 acted as a competing endogenous sponge of miRNA-199a-5p (miR-199a-5p), thus regulating the endothelial-mesenchymal transition promoter SNAI1 via activation of the Wnt/β-catenin pathway and ultimately resulting in endothelial dysfunction. In conclusion, our findings underscored the pathogenic role of endothelial-derived exosomes via the LOC100132249/miR-199a-5p/SNAI1 axis in DR angiogenesis and may shed light on new therapeutic strategies for future treatment of DR | ||
| 520 | |a ARTICLE HIGHLIGHTS: This study provides the first evidence that exosomes derived from vitreous humor from patients with proliferative diabetic retinopathy participate in angiogenesis. The findings demonstrate an unreported long noncoding RNA (lncRNA), LOC100132249, by exosomal sequencing of vitreous humor. The newly found lncRNA LOC100132249, mainly derived from endothelial cells, promotes angiogenesis via an miRNA-199a-5p/SNAI1/Wnt/β-catenin axis in a pro-endothelial-mesenchymal transition manner | ||
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| 700 | 1 | |a Wang, Jingfan |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Ting |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xinsheng |e verfasserin |4 aut | |
| 700 | 1 | |a Tao, Chao |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xingxing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Zhengyu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Weiwei |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Changlin |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Xinjing |e verfasserin |4 aut | |
| 700 | 1 | |a Gu, Qinyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, Yuanyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Qian, Huiming |e verfasserin |4 aut | |
| 700 | 1 | |a Mugisha, Aime |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Songtao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Qinghuai |e verfasserin |4 aut | |
| 700 | 1 | |a Xie, Ping |e verfasserin |4 aut | |
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