Abstract
Hepatoblastoma (HB) is a common primary liver malignant tumor in children. Long non-coding RNAs (lncRNAs) are closely engaged in HB progression. The role and regulatory molecule mechanism of lncRNA small nucleolar RNA host gene 1 (SNHG1) in HB remain unclear. Through qRT-PCR or western blot, we found that SNHG1 and proviral integration site for moloney murine leukemia virus 3 (PIM3) were elevated but miR-6838-5p was decreased in HB cells. Cell biology experiments revealed that SNHG1 depletion or miR-6838-5p upregulation suppressed cell proliferation, migration, and invasion of HB cells. Mechanistically, luciferase activity assay validated that miR-6838-5p could interact with SNHG1 or PIM3. SNHG1 up-regulated PIM3 expression via sponging miR-6838-5p. Moreover, miR-6838-5p inhibitor abolished SNHG1 depletion-mediated suppression of malignant behaviors in HB cells. PIM3 overexpression neutralized miR-6838-5p mimics-mediated repression of malignant phenotypes in HB cells. Furthermore, miR-6838-5p overexpression suppressed RhoA activation, which was restored by PIM3 upregulation. What’s more, the results at the cellular level were further verified by nude mice tumor formation experiment. In conclusion, SNHG1 regulated miR-6838-5p/PIM3/RhoA axis to promote malignant phenotypes of HB, which might provide novel therapeutic target for HB treatment.
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All data generated or analyzed during this study are included in this published article.
Abbreviations
- CCK-8:
-
Cell counting kit-8
- ceRNAs:
-
Competitive endogenous RNAs
- HB:
-
Hepatoblastoma
- LncRNAs:
-
Long non-coding RNAs
- MiRNAs:
-
MicroRNAs
- PIM3:
-
Proviral integration site for Moloney murine leukemia virus 3
- RhoA:
-
Ras homolog gene family, member A
- SNHG1:
-
Small nucleolar RNA host gene 1
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We would like to give our sincere gratitude to the reviewers for their constructive comments.
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This work was supported by LncRNA SNHG1 regulates the proliferation, migration, invasion and apoptosis of hepatoblastoma through PIM3/RhoA axis (202206023841).
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TZ and QY wrote the main manuscript text and CJ, YZ, MY and HG prepared figures. All authors reviewed the manuscript.
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Zhang, T., Ji, C., Zhang, Y. et al. LncRNA SNHG1 Accelerates Cell Proliferation, Migration, and Invasion of Hepatoblastoma Through Mediating miR-6838-5p/PIM3/RhoA Axis. Biochem Genet 62, 59–76 (2024). https://doi.org/10.1007/s10528-023-10404-x
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DOI: https://doi.org/10.1007/s10528-023-10404-x