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Up-regulation of miR-582-5p regulates cellular proliferation of prostate cancer cells under androgen-deprived conditions
The Prostate, 2014-12, Vol.74 (16), p.1604-1612
Maeno, Atsushi
Terada, Naoki
Uegaki, Masayuki
Goto, Takayuki
Okada, Yoshiyuki
Kobayashi, Takashi
Kamba, Tomomi
Ogawa, Osamu
Inoue, Takahiro
2014
Details
Autor(en) / Beteiligte
Maeno, Atsushi
Terada, Naoki
Uegaki, Masayuki
Goto, Takayuki
Okada, Yoshiyuki
Kobayashi, Takashi
Kamba, Tomomi
Ogawa, Osamu
Inoue, Takahiro
Titel
Up-regulation of miR-582-5p regulates cellular proliferation of prostate cancer cells under androgen-deprived conditions
Ist Teil von
The Prostate, 2014-12, Vol.74 (16), p.1604-1612
Ort / Verlag
United States: Blackwell Publishing Ltd
Erscheinungsjahr
2014
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
BACKGROUND MicroRNAs are noncoding small RNA that negatively regulate target gene expression by binding to the 3′‐UTR of mRNA. Previous studies have shown that several microRNAs play a pivotal role in prostate cancer by acting as oncogenes or tumor suppressors. This study was aimed at identifying microRNAs that contribute to the progression to castration resistant prostate cancer. METHODS MicroRNAs expression profiles of a xenograft model and cell lines were examined by microarray analysis and real‐time PCR. Functional analysis of miR‐582‐5p in cellular proliferation was examined by cell counting. Furthermore, in order to investigate a candidate target of miR‐582‐5p, microarray analysis and analysis in silico were utilized. RESULTS MiR‐582‐5p was identified to be up‐regulated at the castration resistant stage of a xenograft model, KUCaP2 and in castration resistant cell line, AILNCaP#1. Overexpression of miR‐582‐5p increased the number and the percentage of S phase of LNCaP cells under androgen deprived condition. Moreover, suppression of miR‐582‐5p decreased the number and the percentage of S phase of AILNCaP#1 cells. Furthermore, we identified that miR‐582‐5p down‐regulates EFNB2 expression, which is down‐regulated at the castration resistant stage of a xenograft model, KUCaP2 and in castration resistant cell line, AILNCaP#1. CONCLUSIONS Our results suggest that up‐regulation of miR‐582‐5p contributes to an increase in the proliferation of prostate cancer cells under androgen deprived conditions. Prostate 74: 1604–1612, 2014. © 2014 Wiley Periodicals, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 0270-4137
eISSN: 1097-0045
DOI: 10.1002/pros.22877
Titel-ID: cdi_proquest_miscellaneous_1614694467
Format
–
Schlagworte
Adenocarcinoma - pathology
,
Adenocarcinoma - physiopathology
,
Androgens - deficiency
,
Animals
,
Castration
,
castration resistant
,
Cell Cycle - physiology
,
Cell Line, Tumor
,
Cell Proliferation - physiology
,
EFNB2
,
Heterografts
,
Humans
,
Male
,
Mice
,
Microarray Analysis
,
MicroRNAs - physiology
,
miR-582-5p
,
prostate cancer
,
Prostatic Neoplasms - pathology
,
Prostatic Neoplasms - physiopathology
,
S Phase - physiology
,
Up-Regulation - physiology
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