P2RX7-V3 is a novel oncogene that promotes tumorigenesis in uveal melanoma

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• 作者：Hui Pan ; Hongyan Ni ; LeiLei Zhang ; Yue Xing ; Jiayan Fan ; Peng Li…
• 关键词：Uveal melanoma ; P2RX7 ; Variant ; lncRNA ; Metastasis ; oncoRNA
• 刊名：Tumor Biology
• 出版年：2016
• 出版时间：October 2016
• 年：2016
• 卷：37
• 期：10
• 页码：13533-13543
• 全文大小：1,297 KB
• 刊物主题：Cancer Research;
• 出版者：Springer Netherlands
• ISSN：1423-0380
• 卷排序：37

文摘

Uveal melanoma (UM) has a high mortality rate for primary intraocular tumors. Approximately half of UM patients present with untreatable and fatal metastases. Long non-coding RNAs (lncRNAs) have emerged as potent regulatory RNAs that play key roles in various cellular processes and tumorigenesis. However, to date, their roles in UM are not well-known. Here, we identified a transcriptional variant transcribed from the P2RX7 gene locus, named P2RX7-V3 (P2RX7 variant 3), which was expressed at a high level in UM cells. P2RX7-V3 silencing revealed that this variant acts as a necessary UM oncoRNA. Knockdown of P2RX7-V3 expression significantly suppressed tumor growth in vitro and in vivo. A genome-wide cDNA array revealed that a variety of genes were dysregulated following P2RX7-V3 silencing. These observations identified P2RX7-V3 that plays a crucial role in UM tumorigenesis and may serve as a useful biomarker in the diagnosis and prognosis treatment of UM in the future.