Novel miRNA-31 and miRNA-200a-mediated regulation of retinoblastoma proliferation

Vanessa Montoya, Hanli Fan, Paul Bryar, Joanna Lynn Weinstein, Marilyn B Mets, Gang Feng, Joshua Martin, Alissa Martin, Hongmei Jiang, Nikia A Laurie

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Retinoblastoma is the most common intraocular tumor in children. Current management includes broad-based treatments such as chemotherapy, enucleation, laser therapy, or cryotherapy. However, therapies that target specific pathways important for retinoblastoma progression could provide valuable alternatives for treatment. MicroRNAs are short, noncoding RNA transcripts that can regulate the expression of target genes, and their aberrant expression often facilitates disease. The identification of post-transcriptional events that occur after the initiating genetic lesions could further define the rapidly aggressive growth displayed by retinoblastoma tumors. In this study, we used two phenotypically different retinoblastoma cell lines to elucidate the roles of miRNA-31 and miRNA-200a in tumor proliferation. Our approach confirmed that miRNAs-31 and -200a expression is significantly reduced in human retinoblastomas. Moreover, overexpression of these two miRNAs restricts the expansion of a highly proliferative cell line (Y79), but does not restrict the growth rate of a less aggressive cell line (Weri1). Gene expression profiling of miRNA-31 and/or miRNA-200a-overexpressing cells identified differentially expressed mRNAs associated with the divergent response of the two cell lines. This work has the potential to enhance the development of targeted therapeutic approaches for retinoblastoma and improve the efficacy of treatment.

Original languageEnglish (US)
Article numbere0138366
JournalPloS one
Volume10
Issue number9
DOIs
StatePublished - Sep 17 2015

Fingerprint

Retinoblastoma
MicroRNAs
microRNA
cell lines
Cells
therapeutics
Tumors
Cell Line
neoplasms
cryosurgery
Cryotherapy
messenger RNA
lesions (animal)
Small Untranslated RNA
drug therapy
Neoplasms
lasers
Chemotherapy
Laser Therapy
Gene Expression Profiling

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Montoya, Vanessa ; Fan, Hanli ; Bryar, Paul ; Weinstein, Joanna Lynn ; Mets, Marilyn B ; Feng, Gang ; Martin, Joshua ; Martin, Alissa ; Jiang, Hongmei ; Laurie, Nikia A. / Novel miRNA-31 and miRNA-200a-mediated regulation of retinoblastoma proliferation. In: PloS one. 2015 ; Vol. 10, No. 9.
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Novel miRNA-31 and miRNA-200a-mediated regulation of retinoblastoma proliferation. / Montoya, Vanessa; Fan, Hanli; Bryar, Paul; Weinstein, Joanna Lynn; Mets, Marilyn B; Feng, Gang; Martin, Joshua; Martin, Alissa; Jiang, Hongmei; Laurie, Nikia A.

In: PloS one, Vol. 10, No. 9, e0138366, 17.09.2015.

Research output: Contribution to journalArticle

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