Article Publish Status: FREE
Abstract Title:

Oridonin alters the expression profiles of microRNAs in BxPC-3 human pancreatic cancer cells.

Abstract Source:

BMC Complement Altern Med. 2015 ;15:117. Epub 2015 Apr 14. PMID: 25880988

Abstract Author(s):

Zhifang Gui, Shuquan Li, Xing Liu, Bin Xu, Jian Xu

Article Affiliation:

Zhifang Gui


BACKGROUND: Oridonin, an ingredient used in traditional Chinese medicine, has been demonstrated to play an important role in antitumour effects, but the mechanism underlying its antitumour properties is still not clear.

METHODS: To verify the anti-cancer effects of oridonin via a miRNA-dependent mechanism, comprehensive miRNA expression profiling of oridonin-treated BxPC-3 human pancreatic cancer cells was performed using a miRNA microarray assay based on Sanger miR-Base Release 20, followed by a validation using real-time PCR. MicroRNA target prediction and Gene Ontology and KEGG pathway analysis were performed to investigate possible pathways involved.

RESULTS: The results showed that 105 miRNAs were significantly differentially expressed (signal reading>500, p ≤ 0.01, |Log2-value| ≥1) in oridonin-treated BxPC-3 human pancreatic cancer cells.

CONCLUSIONS: Our data indicates that oridonin inhibits BxPC-3 cells probably through regulating the expression of miRNAs. Interruption of miRNA profiling may provide new therapeutic methods for the clinical treatment of pancreatic cancer.

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