Identification of Exosomal microRNAs and Their Targets in Papillary Thyroid Cancer Cells.
exosomes
miRNAs
thyroid cancer cells
Journal
Biomedicines
ISSN: 2227-9059
Titre abrégé: Biomedicines
Pays: Switzerland
ID NLM: 101691304
Informations de publication
Date de publication:
21 Apr 2022
21 Apr 2022
Historique:
received:
28
02
2022
revised:
12
04
2022
accepted:
20
04
2022
entrez:
28
5
2022
pubmed:
29
5
2022
medline:
29
5
2022
Statut:
epublish
Résumé
The release of molecules in exosomal cargoes is involved in tumor development and progression. We compared the profiles of exosomal microRNAs released by two thyroid cancer cell lines (TPC-1 and K1) with that of non-tumorigenic thyroid cells (Nthy-ori-3-1), and we explored the network of miRNA-target interaction. After extraction and characterization of exosomes, expression levels of microRNAs were investigated using custom TaqMan Advanced array cards, and compared with those expressed in the total cell extracts. The functional enrichment and network-based analysis of the miRNAs' targets was also performed. Five microRNAs (miR-21-5p, miR-31-5p, miR-221-3p, miR-222-3p, and let-7i-3p) were significantly deregulated in the exosomes of tumor cells vs. non-tumorigenic cells, and three of them (miR-31-5p, miR-222-3p, and let-7i-3p) in the more aggressive K1 compared to TPC-1 cells. The network analysis of the five miRNAs identified some genes as targets of more than one miRNAs. These findings permitted the identification of exosomal microRNAs secreted by aggressive PTC cells, and indicated that their main targets are regulators of the tumor microenvironment. A deeper analysis of the functional role of the targets of exosomal miRNAs will provide further information on novel targets of molecular treatments for these neoplasms.
Identifiants
pubmed: 35625697
pii: biomedicines10050961
doi: 10.3390/biomedicines10050961
pmc: PMC9138952
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Progetti di rilevante interesse nazionale PRIN
ID : PRIN2017EKMFTN_003.
Commentaires et corrections
Type : CommentIn
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