Intranasal Delivery of lincRNA-Cox2 siRNA Loaded Extracellular Vesicles Decreases Lipopolysaccharide-Induced Microglial Proliferation in Mice.
J Neuroimmune Pharmacol
; 15(3): 390-399, 2020 09.
Article
en En
| MEDLINE
| ID: mdl-31325121
ABSTRACT
Long non-coding RNAs (lncRNAs), including long intergenic non-coding RNAs (lincRNAs), play an important regulatory role in controlling various biological processes. Both in vitro and in vivo studies have demonstrated that lincRNA-Cox2 plays a global regulatory role in regulating the expression of immune genes. Extracellular vesicles (EVs) are cell-derived nanosized membrane vesicles that have gained increasing attention in recent years due to their ability to efficiently deliver therapeutics to specific target organs or cell types. In this study, we found that lincRNA-Cox2 controls the expression of a set of cell cycle genes in lipopolysaccharide (LPS)-stimulated microglial cells. Our in vitro study suggested that knocking down lincRNA-Cox2 reversed LPS-induced microglial proliferation. In addition, our in vivo study demonstrated that intranasally delivered lincRNA-Cox2-siRNA loaded EVs could reach the brain resulting in a significant decrease in the expression of lincRNA-Cox2 in the microglia. Importantly, lincRNA-Cox2-siRNA loaded EVs also decreased LPS-induced microglial proliferation in mice. These findings indicate that intranasal delivery of EV-loaded small RNA could be developed as therapeutics for treatment of a multitude of CNS disorders.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Lipopolisacáridos
/
Microglía
/
ARN Interferente Pequeño
/
Ciclooxigenasa 2
/
ARN Largo no Codificante
/
Vesículas Extracelulares
Límite:
Animals
Idioma:
En
Revista:
J Neuroimmune Pharmacol
Asunto de la revista:
ALERGIA E IMUNOLOGIA
/
FARMACOLOGIA
/
NEUROLOGIA
Año:
2020
Tipo del documento:
Article
País de afiliación:
Estados Unidos