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MiR-23b Controls ALDH1A1 Expression in Cervical Cancer Stem Cells

Overview
Journal BMC Cancer
Publisher Biomed Central
Specialty Oncology
Date 2017 Apr 29
PMID 28449663
Citations 24
Authors
Affiliations
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Abstract

Background: Cancer stem cells has been widely investigated due to its essential role in cancer progression and drug resistance. Here, we try to find a new therapeutic target for cervical cancer stem cells.

Methods: We detected ALDH1A1-associated miRNAs expression in our isolated tumorspheres and their corresponding parental cells. Sphere formation assay was also used to determine stemness after cells were manipulated with miR-23b plasmid or miR-23b inhibitor.

Results: We found that miR-23b was under-expressed in cervical cancer stem cells to maintain high levels of ALDH1A1. Introduction of miR-23b into cervical cancer cells could alter stemness and cisplatin sensitivity.

Conclusions: miR-23b plays key role in maintaining stemness of cervical cancer stem cells and can be developed as therapeutic target to better fight against cervical cancer.

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