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Int. J. Mol. Sci. 2017, 18(1), 226;

The Long Non-Coding RNA RHPN1-AS1 Promotes Uveal Melanoma Progression

Department of Ophthalmology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
These authors contributed equally to this work.
Authors to whom correspondence should be addressed.
Academic Editor: Martin Pichler
Received: 30 December 2016 / Revised: 14 January 2017 / Accepted: 16 January 2017 / Published: 23 January 2017
(This article belongs to the Collection Regulation by Non-Coding RNAs)
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Increasing evidence suggests that aberrant long non-coding RNAs (lncRNAs) are significantly correlated with the pathogenesis, development and metastasis of cancers. RHPN1 antisense RNA 1 (RHPN1-AS1) is a 2030-bp transcript originating from human chromosome 8q24. However, the role of RHPN1-AS1 in uveal melanoma (UM) remains to be clarified. In this study, we aimed to elucidate the molecular function of RHPN1-AS1 in UM. The RNA levels of RHPN1-AS1 in UM cell lines were examined using the quantitative real-time polymerase chain reaction (qRT-PCR). Short interfering RNAs (siRNAs) were designed to quench RHPN1-AS1 expression, and UM cells stably expressing short hairpin (sh) RHPN1-AS1 were established. Next, the cell proliferation and migration abilities were determined using a colony formation assay and a transwell migration/invasion assay. A tumor xenograft model in nude mice was established to confirm the function of RHPN1-AS1 in vivo. RHPN1-AS1 was significantly upregulated in a number of UM cell lines compared with the normal human retinal pigment epithelium (RPE) cell line. RHPN1-AS1 knockdown significantly inhibited UM cell proliferation and migration in vitro and in vivo. Our data suggest that RHPN1-AS1 could be an oncoRNA in UM, which may serve as a candidate prognostic biomarker and target for new therapies in malignant UM. View Full-Text
Keywords: lncRNA; RHPN1-AS1; uveal melanoma; migration lncRNA; RHPN1-AS1; uveal melanoma; migration

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lu, L.; Yu, X.; Zhang, L.; Ding, X.; Pan, H.; Wen, X.; Xu, S.; Xing, Y.; Fan, J.; Ge, S.; Zhang, H.; Jia, R.; Fan, X. The Long Non-Coding RNA RHPN1-AS1 Promotes Uveal Melanoma Progression. Int. J. Mol. Sci. 2017, 18, 226.

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