Basic Information
Regular Relationship :
Phenotype/DiseaseSpecieOvarian Cancer
CeRNA1SNHG3[LncRNA]
miRNAmiR-139-5p[miRNA]
CeRNA2Notch1[mRNA]
Tissue/Cell lineOVCAR3 cells
SpecieDrosophila (flies)
CitationOncol Lett. 2021 Feb;21(2):122. doi: 10.3892/ol.2020.12383. Epub 2020 Dec 17.
Reference title
lncRNA SNHG3 acts as oncogene in ovarian cancer through miR-139-5p and Notch1.
Experimental verification
qPCR;RT-qPCR;Western blot;Luciferase reporter assay;
Functional description
Ovarian cancer (OC) is a common malignant tumor of the female reproductive system. Long non-coding RNAs (lncRNAs) play an important role in OC occurrence and development. Thus, the function and potential mechanism of lncRNA small nucleolar RNA host gene 3 (SNHG3) was explored in the development of OC. The expression of SNHG3, microRNA (miR)-139-5p and Notch homolog 1, translocation-associated (Drosophila) (Notch1) in OC were detected by RT-qPCR or western blot assay. In addition, CCK-8 and wound-healing assays were used to detect OVCAR3 proliferation and migration ability. The targeting relationship of miR-139-5p with SNHG3 or Notch1 was verified through luciferase reporter assay. Rescue experiments were performed to confirm whether SNHG3 could mediate OVCAR3 proliferation and migration through miR-139-5p and Notch1. In OC tissues and cell lines, the expression of SNHG3 and Notch1 were significantly increased, and the expression of miR-139-5p was significantly decreased. SNHG3 inhibition suppressed the proliferation and migration of OVCAR3 cells. Luciferase reporter experiment confirmed that miR-139-5p could target SNHG3 and Notch1. Transfection of miR-139-5p inhibitor significantly reversed the inhibitory effect of SNHG3 knockdown on OVCAR3 proliferation and migration. Moreover, SNHG3 inhibition or miR-139-5p mimic abolished the promotion of Notch1 overexpression on OVCAR3 proliferation and migration. In conclusion, SNHG3 could accelerate the proliferation and migration of OC cells by regulating miR-139-5p and Notch1.
Annotations
External Annotation for SNHG3 |
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LncRNA-associated competing triplets and functions. |
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Comprehensive experimentally supported associations between lncRNA and human cancer. |
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Infer genomic variations that disturb lncRNA-associated ceRNA regulation.. |
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Provide and annotate disease or phenotype-associated variants in human long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) or their regulatory elements. |
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Providing cellular-specific lncRNA-associated ceRNA networks predicted via high-throughput analysis of single-cell genomic data. |
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Information on all annotated and predicted human genes. |
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Gene nomenclature, gene families and associated resources (genomic, proteomic, phenotypic information). |
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Genome browser for vertebrate genomes. |
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An annotated collection of all publicly available DNA sequences. |
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A wiki-based platform for community curation of human long non-coding RNAs. |
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An integrated knowledge database dedicated to non-coding RNAs. |
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An integrated database of human annotated lncRNA transcripts. |
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Comprehensive annotations of eukaryotic long non-coding RNAs. |
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Comprehensive experimentally supported associations between lncRNA and human cancer. |
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A comprehensive, authoritative compendium of human genes and genetic phenotypes. |
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The catalogue of somatic mutations in cancer. |
