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Int J Med Sci 2023; 20(1):23-34. doi:10.7150/ijms.68778 This issue Cite

Research Paper

LncRNA RPPH1 acts as a molecular sponge for miR-122 to regulate Wnt1/β-catenin signaling in hepatocellular carcinoma

Jian Zhou1,2*, Kun Shi2*, Weifeng Huang2*, Yuke Zhang2, Qingsong Chen3, Tong Mou2, Zhongjun Wu2✉, Xufu Wei2✉

1. Department of Hepatobiliary Surgery, The People's Hospital of Rongchang District, Chongqing, China.
2. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
3. Department of Traumatology, Chongqing University Central Hospital, Chongqing, China.
* Jian Zhou, Kun Shi and Weifeng Huang have contributed equally to this work.

✉ Corresponding author: Xufu Wei, E-mail: xweicqmu.edu.cn; Zhongjun Wu, E-mail: wzjtcycom.

Citation:
Zhou J, Shi K, Huang W, Zhang Y, Chen Q, Mou T, Wu Z, Wei X. LncRNA RPPH1 acts as a molecular sponge for miR-122 to regulate Wnt1/β-catenin signaling in hepatocellular carcinoma. Int J Med Sci 2023; 20(1):23-34. doi:10.7150/ijms.68778. https://www.medsci.org/v20p0023.htm
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Abstract

Graphic abstract

This study aimed to explore the role of lncRNA RPPH1 in hepatocellular carcinoma. The expression of RPPH1 and miR-122 was determined by Real-time PCR. Cell proliferation and colony formation assays were employed to monitor cell growth in vitro. Wound healing and Transwell assays were applied to detect cell migration and invasion. A dual-luciferase reporter assay was used to verify the interaction between RPPH1 and miR-122. The in vivo function of RPPH1 was illustrated by xenograft tumor models. The results showed that the expression of RPPH1 was markedly upregulated in human HCC specimens and cell lines compared to normal controls. However, the trend of miR-122 was the opposite. RPPH1 facilitates the proliferation, migration, and invasion of HCC cells and synchronously suppresses cell apoptosis. The dual-luciferase assay confirmed the relationship between RPPH1 and miR-122. Rescue experiments showed that RPPH1 acted as a competing endogenous RNA (ceRNA) by sponging miR-122 in HCC cells. Moreover, RPPH1 positively regulated the expression of Wnt1 and its downstream targets through miR-122. Our study demonstrates for the first time that RPPH1 promotes HCC progression via the miR-122/Wnt1/β-catenin axis, which may represent a valuable therapeutic target for patients with HCC.

Keywords: lncRNA RPPH1, miR-122, competing endogenous RNA, Wnt signaling, hepatocellular carcinoma.

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APA
Zhou, J., Shi, K., Huang, W., Zhang, Y., Chen, Q., Mou, T., Wu, Z., Wei, X. (2023). LncRNA RPPH1 acts as a molecular sponge for miR-122 to regulate Wnt1/β-catenin signaling in hepatocellular carcinoma. International Journal of Medical Sciences, 20(1), 23-34. https://doi.org/10.7150/ijms.68778.

ACS
Zhou, J.; Shi, K.; Huang, W.; Zhang, Y.; Chen, Q.; Mou, T.; Wu, Z.; Wei, X. LncRNA RPPH1 acts as a molecular sponge for miR-122 to regulate Wnt1/β-catenin signaling in hepatocellular carcinoma. Int. J. Med. Sci. 2023, 20 (1), 23-34. DOI: 10.7150/ijms.68778.

NLM
Zhou J, Shi K, Huang W, Zhang Y, Chen Q, Mou T, Wu Z, Wei X. LncRNA RPPH1 acts as a molecular sponge for miR-122 to regulate Wnt1/β-catenin signaling in hepatocellular carcinoma. Int J Med Sci 2023; 20(1):23-34. doi:10.7150/ijms.68778. https://www.medsci.org/v20p0023.htm

CSE
Zhou J, Shi K, Huang W, Zhang Y, Chen Q, Mou T, Wu Z, Wei X. 2023. LncRNA RPPH1 acts as a molecular sponge for miR-122 to regulate Wnt1/β-catenin signaling in hepatocellular carcinoma. Int J Med Sci. 20(1):23-34.

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