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Published in: Cancer Cell International 1/2022

Open Access 01-12-2022 | Gastric Cancer | Primary research

miR-223-3p carried by cancer-associated fibroblast microvesicles targets SORBS1 to modulate the progression of gastric cancer

Authors: Xiaoli Jin, Xi Qiu, Yi Huang, Hang Zhang, Kaibo Chen

Published in: Cancer Cell International | Issue 1/2022

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Abstract

Background

Cancer-associated fibroblasts (CAFs) aggravate gastric cancer (GC) development.

Methods

Combined with bioinformatics analysis and literature review, miR-223-3p had high expression in microvesicles (MVs) derived from GC CAFs, and it could modulate SORBS1. miR-223-3p and SORBS1 mRNA levels were assessed by qRT-PCR. The levels of CAFs markers, MVs markers, epithelial-mesenchymal transition (EMT)-associated proteins, and SORBS1 protein were assessed by western blot. MVs isolated from fibroblasts were observed by transmission electron microscopy. Combined with immunofluorescence and co-culture experiments, GC cells were determined to absorb MVs carrying miR-223-3p. Cell functions were measured using CCK-8, transwell, flow cytometry and colony formation assays. The binding of miR-223-3p and SORBS1 was determined by dual-luciferase assay and RNA immunoprecipitation. The cancer-promoting effect of MVs carrying miR-223-3p on experimental animals was verified in vivo by tumor-bearing experiment in nude mice.

Results

miR-223-3p was upregulated in the MVs secreted by GC CAFs and could be transmitted to GC cells through MVs, to boost the malignant progression of tumor cells. Additionally, it was also revealed that miR-223-3p targeted SORBS1 and accelerated progression along with EMT in GC.

Conclusions

CAFs-derived MVs could carry miR-223-3p to GC cells to target SORBS1, thereby promoting the malignant progression of GC.
Literature
Metadata
Title
miR-223-3p carried by cancer-associated fibroblast microvesicles targets SORBS1 to modulate the progression of gastric cancer
Authors
Xiaoli Jin
Xi Qiu
Yi Huang
Hang Zhang
Kaibo Chen
Publication date
01-12-2022
Publisher
BioMed Central
Published in
Cancer Cell International / Issue 1/2022
Electronic ISSN: 1475-2867
DOI
https://doi.org/10.1186/s12935-022-02513-1

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