Hepatic stellate cell reprogramming via exosome-mediated CRISPR/dCas9-VP64 delivery

Autor: Nianan Luo, Jiangbin Li, Yafeng Chen, Yan Xu, Yu Wei, Jianguo Lu, Rui Dong
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Drug Delivery, Vol 28, Iss 1, Pp 10-18 (2021)
Druh dokumentu: article
ISSN: 1071-7544
1521-0464
10717544
DOI: 10.1080/10717544.2020.1850917
Popis: Hepatic stellate cells (HSCs) play a crucial role in the progression of liver fibrosis, which can be considered as the specific therapeutic target of anti-fibrotic treatment. Targeted induction of HSCs to hepatocytes via delivery of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (dCas9) system holds promise for hepatic fibrosis treatment. Our study here revealed that CRISPR/dCas9-VP64 system encapsulated in AML12 cell-derived exosomes could efficiently and successfully be delivered into the HSCs. In turn, the CRISPR/dCas9-VP64 system loaded in the exosomes can be efficiently released into the HSCs. As a proof-of-concept study, gRNA against hepatocyte nuclear factor 4α (HNF4α) together with the delivery of CRISPR/dCas9-VP64 system induced the HSCs to hepatocyte-like phenotype. In conclusion, our study here revealed that CRISPR/dCas9-VP64 system encapsulated in AML12 cell-derived exosomes could be functional in HSCs, emerging as a gene therapy strategy for hepatic fibrosis.
Databáze: Directory of Open Access Journals