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The Downregulation of MicroRNA-10b and its Role in Cervical Cancer.

Abstract：

:It has been demonstrated that microRNAs (miRNAs) act as oncogenes or tumor suppressors in a variety of cancers. Our previous work suggested that miR-10a/b functioned as a tumor suppressor in gastric cancer, and miR-10b was also reported to be significantly downregulated in advanced stage cervical cancer tissues. However, the aberrant expression of miR-10b in cervical cancer and its possible role in cervical carcinogenesis was largely unknown. In this study, we investigated the expression of miR-10b in cervical cancer tissues, carcinoma in situ tissues, mild dysplasia, moderate dysplasia, severe dysplasia tissues, and normal controls. We found that miR-10b was significantly downregulated during cervical cancer progression, and the lower level of miR-10b in cervical cancer was significantly associated with a more aggressive tumor phenotype. Moreover, overexpression of miR-10b in cervical cancer cells could inhibit the cell proliferation and invasion, and the further mechanism study suggested that its role was possibly through directly targeting HOXA1. These results suggested that the downregulation of miR-10b and the resulting elevated HOXA1 level in cervical cancer tissues might play critical roles in cervical cancer progression.

journal_name

Oncol Res

journal_title

Oncology research

authors

Zou D,Zhou Q,Wang D,Guan L,Yuan L,Li S

doi

10.3727/096504016X14611963142173

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

99-108

issue

2

eissn

0965-0407

issn

1555-3906

journal_volume

24

pub_type

杂志文章

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