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Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression by Targeting Large Tumor Suppressor Kinase 2.
Onco Targets Ther. 2020; 13:6073-6083.OT

Abstract

Background

Sustained proliferation and active metastasis are hallmarks of cancer, and they pose major challenges to the development of treatments and a cure for hepatocellular carcinoma (HCC). Thus, the mechanisms of proliferation, migration, and invasion of cancer cells need to be investigated. Many studies indicate that dysregulation of microRNA plays important roles in the progression of HCC, but the role of placenta-specific microRNA (miR-512-3p) in HCC has not been systematically investigated.

Purpose

In the current study, the expression, biological function, and mechanisms of miR-512-3p involvement in HCC were investigated.

Methods

Real-time quantitative polymerase chain reaction assays were conducted to determine miR-512-3p levels in HCC tissues and cell lines. The StarBase V3.0 online platform was used to compare miR-512-3p levels in HCC tissues with TCGA data and to identify potential miR-512-3p target genes. Associations between miR-512-3p and clinicopathological characteristics were analyzed statistically. MTT, ethynyl deoxyuridine, and transwell assays were performed to assess cell viability, proliferation, migration, and invasion. The luciferase reporter gene assay was used to verify target genes. Recuse assays were performed to confirm whether large tumor suppressor kinase 2 (LATS2) participated in the regulatory effects of miR-512-3p on HCC cell proliferation and motility, and whether miR-512-3p mediated the tumor-promoting effects of hypoxia.

Results

miR-512-3p was upregulated in HCC and it was associated with worse survival and unfavorable clinicopathological characteristics. Functional assays indicated that miR-512-3p contributed to HCC cell proliferation, migration, and invasion. Mechanistically, LATS2-a downstream target of miR-512-3p-mediated the tumor-promoting effects of miR-512-3p in HCC. Hypoxia could elevate miR-512-3p levels in HCC cells, and miR-512-3p partially mediated the tumor-promoting effects of hypoxia.

Conclusion

Hypoxia-induced miR-512-3p contributes to HCC cell proliferation, migration, and invasion by targeting LATS2 and inhibiting the Hippo/yes-associated protein 1 pathways.

Authors+Show Affiliations

Department of Clinical Medicine, Queen Mary Institute, Nanchang University, Nanchang, Jiangxi Province 330000, People's Republic of China.Emergency Department, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, People's Republic of China.Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, People's Republic of China.Emergency Department, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, People's Republic of China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32612368

Citation

Zhang, Bohan, et al. "Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression By Targeting Large Tumor Suppressor Kinase 2." OncoTargets and Therapy, vol. 13, 2020, pp. 6073-6083.
Zhang B, Huang L, Tu J, et al. Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression by Targeting Large Tumor Suppressor Kinase 2. Onco Targets Ther. 2020;13:6073-6083.
Zhang, B., Huang, L., Tu, J., & Wu, T. (2020). Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression by Targeting Large Tumor Suppressor Kinase 2. OncoTargets and Therapy, 13, 6073-6083. https://doi.org/10.2147/OTT.S254612
Zhang B, et al. Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression By Targeting Large Tumor Suppressor Kinase 2. Onco Targets Ther. 2020;13:6073-6083. PubMed PMID: 32612368.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression by Targeting Large Tumor Suppressor Kinase 2. AU - Zhang,Bohan, AU - Huang,Liang, AU - Tu,Jiangbo, AU - Wu,Tianming, Y1 - 2020/06/25/ PY - 2020/04/16/received PY - 2020/05/28/accepted PY - 2020/7/3/entrez PY - 2020/7/3/pubmed PY - 2020/7/3/medline KW - LATS2 KW - hepatocellular carcinoma KW - invasion KW - miR-512-3p KW - migration KW - proliferation SP - 6073 EP - 6083 JF - OncoTargets and therapy JO - Onco Targets Ther VL - 13 N2 - Background: Sustained proliferation and active metastasis are hallmarks of cancer, and they pose major challenges to the development of treatments and a cure for hepatocellular carcinoma (HCC). Thus, the mechanisms of proliferation, migration, and invasion of cancer cells need to be investigated. Many studies indicate that dysregulation of microRNA plays important roles in the progression of HCC, but the role of placenta-specific microRNA (miR-512-3p) in HCC has not been systematically investigated. Purpose: In the current study, the expression, biological function, and mechanisms of miR-512-3p involvement in HCC were investigated. Methods: Real-time quantitative polymerase chain reaction assays were conducted to determine miR-512-3p levels in HCC tissues and cell lines. The StarBase V3.0 online platform was used to compare miR-512-3p levels in HCC tissues with TCGA data and to identify potential miR-512-3p target genes. Associations between miR-512-3p and clinicopathological characteristics were analyzed statistically. MTT, ethynyl deoxyuridine, and transwell assays were performed to assess cell viability, proliferation, migration, and invasion. The luciferase reporter gene assay was used to verify target genes. Recuse assays were performed to confirm whether large tumor suppressor kinase 2 (LATS2) participated in the regulatory effects of miR-512-3p on HCC cell proliferation and motility, and whether miR-512-3p mediated the tumor-promoting effects of hypoxia. Results: miR-512-3p was upregulated in HCC and it was associated with worse survival and unfavorable clinicopathological characteristics. Functional assays indicated that miR-512-3p contributed to HCC cell proliferation, migration, and invasion. Mechanistically, LATS2-a downstream target of miR-512-3p-mediated the tumor-promoting effects of miR-512-3p in HCC. Hypoxia could elevate miR-512-3p levels in HCC cells, and miR-512-3p partially mediated the tumor-promoting effects of hypoxia. Conclusion: Hypoxia-induced miR-512-3p contributes to HCC cell proliferation, migration, and invasion by targeting LATS2 and inhibiting the Hippo/yes-associated protein 1 pathways. SN - 1178-6930 UR - https://www.unboundmedicine.com/medline/citation/32612368/Hypoxia-Induced_Placenta-Specific_microRNA_(miR-512-3p)_Promotes_Hepatocellular_Carcinoma_Progression_by_Targeting_Large_Tumor_Suppressor_Kinase_2 L2 - https://dx.doi.org/10.2147/OTT.S254612 DB - PRIME DP - Unbound Medicine ER -
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