Abstract
Purpose
A substantial amount of evidence demonstrates suggests that long non-coding RNAs (lncRNAs) play a key role in the progression of various malignancies, cervical squamous cell carcinoma (CSCC) included. In our study, we deeply investigated the role and molecular mechanism of lncRNA NPHS2-6 in CSCC.
Methods
The expression level of gene and protein expression were measured by qRT-PCR and western blot. To test the cell proliferation and cell metastasis ability, we carried out the CCK-8 experiment, clone formation assay, transwell assay and wound healing, respectively. The interactivity among NPHS2-6, miR-1323 and SMC1B were co demonstrated using the bioinformatics tool, dual-luciferase reporter system, and RNA pulldown assay. The subcutaneous tumor model of nude mice was established to verify the results of previous studies at the in vivo. NPHS2-6 was upregulated in CSCC tissues and cells.
Results
NPHS2-6 deficiency significantly inhibited CSCC cell growth and EMT in vitro. In addition, NPHS2-6 deficiency also inhibited the growth of CSCC xenograft tumors in mice in vivo. Importantly, NPHS2-6 was a competing endogenous RNA (ceRNA) to increases SMC1B levels by binding to miR-1323, leading to activate the PI3K/Akt pathway, thereby exacerbating tumorigenesis of CSCC.
Conclusions
In conclusion, NPHS2-6/miR-1323/SMC1B/PI3K/Akt signaling accelerates the progression of CSCC, providing a new direction for the treatment strategy of CSCC.
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Data availability
Not applicable.
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Funding
This work is supported by the project of Science and Technology Department of Xinjiang Uygur Autonomous Region (No. 2020E02125 and No. 2020D01C204).
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FL and YW conceived and designed the study, and drafted the manuscript. MW, GA and JY collected, analyzed and interpreted the experimental data. TZ and GS revised the manuscript for important intellectual content. All authors read and approved the final manuscript.
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The study was approved by Ethical Committee of Affiliated Tumor Hospital of Xinjiang Medical University and conducted in accordance with the ethical standards.
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Li, F., Wang, Y., Wen, M. et al. NPHS2-6 drives cervical squamous cell carcinoma (CSCC) progression via hsa-miR-1323/SMC1B axis to activate PI3K-Akt pathway. Clin Transl Oncol 26, 245–259 (2024). https://doi.org/10.1007/s12094-023-03248-9
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DOI: https://doi.org/10.1007/s12094-023-03248-9