Abstract
Long noncoding RNAs (lncRNAs) have been demonstrated to participate in the progression of many malignancies, including prostate cancer by serving as sponges of microRNAs (miRNAs). Initial microarray-based analysis screened out the poorly expressed lncRNA RBMS3-AS3 in prostate cancer, followed by the identification of putative binding sites with miR-4534 and its target VASH1. Therefore, the present study set out to investigate the potential role of RBMS3-AS3/miR-4534/VASH1 axis in the development of prostate cancer. The biological functions of RBMS3-AS3, miR-4534, and VASH1 on cell proliferation, migration, invasion, and angiogenesis of prostate cancer were evaluated via gain- and loss-of-function experiments. Furthermore, tumor xenograft in nude mice was performed to examine tumorigenesis in vivo. The obtained results indicated that RBMS3-AS3 was poorly expressed in prostate cancer tissues and cells. Of note, overexpression of RBMS3-AS3 was found to suppress cell proliferation, migration, invasion, and angiogenesis as well as the tumorigenic ability of prostate cancer. VASH1 was verified as a target gene of miR-4534. VASH1 expression was found to be downregulated in prostate cancer tissues and cells. Interestingly, RBMS3-AS3 was observed to competitively bind to miR-4534 to upregulate VASH1 expression, resulting in a suppressive role in prostate cancer development. Also, in vitro findings were reproduced in vivo on tumor xenograft in nude mice. Taken together, the present study provides evidence suggesting that RBMS3-AS3 acts as a miR-4534 sponge to inhibit the development of prostate cancer by upregulating VASH1, highlighting a theoretical target for prostate cancer treatment.
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Data availability
The datasets generated during the current study are available.
Change history
09 January 2024
This article has been retracted. Please see the Retraction Notice for more detail: https://doi.org/10.1038/s41434-023-00439-5
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Acknowledgements
We would like to extend our sincere appreciation to the reviewers for their helpful comments on this article.
Funding
This study was supported by Prostate Cancer Foundation China (PCF China) Young Investigator Award, National Natural Science Foundation Youth Fund (No. 81001143), Shenyang Science and Technology Program Key Science and Technology Research and Development Program (No. 17-230-9-18), the National Key Research and Development Program of China (No. 2017YFC0908003), the First Batch of Talents of Introduction of Top Health Talented Team of Qinghai Province and the First Batch of Talents of Xining “Absorbing 555 Talents Project”.
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Zhenming Jiang and Yuxi Zhang designed the study. Zhenming Jiang, Xi Chen, and Pingeng Wu collated the data, carried out data analyses and produced the initial draft of the manuscript. Zhenming Jiang and Dong Chen contributed to drafting the manuscript. All authors have read and approved the final submitted manuscript.
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The protocols of this study were approved by the Ethic Committee of the First Hospital of China Medical University and were conducted in strict accordance with the ethical principles for medical research involving human subjects of the Helsinki Declaration. Written informed consents were obtained from all patients prior to the study. The protocol of animal experiments was approved by the Institutional Animal Care and Use Committee of the First Hospital of China Medical University. Animal experiments were conducted according to the Guide for the Care and Use of Laboratory Animals issued by the National Institutes of Health.
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Jiang, Z., Zhang, Y., Chen, X. et al. RETRACTED ARTICLE: Long noncoding RNA RBMS3-AS3 acts as a microRNA-4534 sponge to inhibit the progression of prostate cancer by upregulating VASH1. Gene Ther 27, 143–156 (2020). https://doi.org/10.1038/s41434-019-0108-1
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DOI: https://doi.org/10.1038/s41434-019-0108-1
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