1
|
García-Hernández AP, Sánchez-Sánchez G, Carlos-Reyes A, López-Camarillo C. Functional roles of microRNAs in vasculogenic mimicry and resistance to therapy in human cancers: an update. Expert Rev Clin Immunol 2024:1-14. [PMID: 38712535 DOI: 10.1080/1744666x.2024.2352484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 05/03/2024] [Indexed: 05/08/2024]
Abstract
INTRODUCTION Vasculogenic mimicry (VM) alludes to the ability of cancer cells to organize on three-dimensional channel-like structures to obtain nutrients and oxygen. This mechanism confers an aggressive phenotype, metastatic potential, and resistance to chemotherapy resulting in a poor prognosis. Recent studies have been focused on the identification of microRNAs (miRNAs) that regulate the VM representing potential therapeutic targets in cancer. AREAS COVERED An overview of the roles of miRNAs on VM development and their functional relationships with tumor microenvironment. The functions of cancer stem-like cells in VM, and resistance to therapy are also discussed. Moreover, the modulation of VM by natural compounds is explored. The clinical significance of deregulated miRNAs as potential therapeutic targets in tumors showing VM is further highlighted. EXPERT OPINION The miRNAs are regulators of protein-encoding genes involved in VM; however, their specific expression signatures with clinical value in large cohorts of patients have not been established yet. We considered that genomic profiling of miRNAs could be useful to define some hallmarks of tumors such as stemness, drug resistance, and VM in cancer patients. However, additional studies are needed to establish the relevant role of miRNAs as effective therapeutic targets in tumors that have developed VM.
Collapse
Affiliation(s)
| | | | - Angeles Carlos-Reyes
- Laboratorio de Onco-Inmunobiología, Departamento de Enfermedades Crónico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Ciudad de México
| | - César López-Camarillo
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, Ciudad de México
| |
Collapse
|
2
|
Liu H, Zhang J, Zhao Y, Fan Z, Yang Y, Mao Y, Yang J, Ma S. CD93 regulates breast cancer growth and vasculogenic mimicry through the PI3K/AKT/SP2 signaling pathway activated by integrin β1. J Biochem Mol Toxicol 2024; 38:e23688. [PMID: 38511888 DOI: 10.1002/jbt.23688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 01/25/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
In women, breast cancer (BC) accounts for 7%-10% of all cancer cases and is one of the most common cancers. To identify a new method for treating BC, the role of CD93 and its underlying mechanism were explored. MDA-MB-231 cells were used in this study and transfected with si-CD93, si-MMRN2, oe-CD93, si-integrin β1, or oe-SP2 lentivirus. After MDA-MB-231 cells were transfected with si-NC or si-CD93, they were injected into nude mice by subcutaneous injection at a dose of 5 × 106/mouse to construct a BC animal model. The expression of genes and proteins and cell migration, invasion and vasculogenic mimicry were detected by RT‒qPCR, western blot, immunohistochemistry, immunofluorescence, Transwell, and angiogenesis assays. In pathological samples and BC cell lines, CD93 was highly expressed. Functionally, CD93 promoted the proliferation, migration, and vasculogenic mimicry of MDA-MB-231 cells. Moreover, CD93 interacts with MMRN2 and integrin β1. Knockdown of CD93 and MMRN2 can inhibit the activation of integrin β1, thereby inhibiting the PI3K/AKT/SP2 signaling pathway and inhibiting BC growth and vasculogenic mimicry. In conclusion, the binding of CD93 to MMRN2 can activate integrin β1, thereby activating the PI3K/AKT/SP2 signaling pathway and subsequently promoting BC growth and vasculogenic mimicry.
Collapse
Affiliation(s)
- Hong Liu
- Department of Thyroid & Breast Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| | - Jianhui Zhang
- Department of Thyroid & Breast Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| | - Yanjun Zhao
- Department of Thyroid & Breast Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| | - Zhixiong Fan
- Department of Thyroid & Breast Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| | - Yongheng Yang
- Department of Thyroid & Breast Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| | - Yuanyuan Mao
- Department of Radiology, The First Affiliated Hospital of Dali University, Dali, Yunnan, China
| | - Jingyuan Yang
- Department of Thyroid & Breast Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| | - Shungao Ma
- Department of Clinical Laboratory, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, China
| |
Collapse
|
3
|
Wang Z, Qu M, Chang S, Dai X, You C. Human RNA-binding protein HNRNPD interacts with and regulates the repair of deoxyribouridine in DNA. Int J Biol Macromol 2024; 262:129951. [PMID: 38325695 DOI: 10.1016/j.ijbiomac.2024.129951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/09/2024]
Abstract
Deoxyribouridine (dU) is an abnormal nucleoside in DNA and plays vital roles in multiple biological and physiological processes. Here, we conducted a mass spectrometry-based screen for dU-binding proteins and found that the heterogeneous nuclear ribonucleoprotein D (HNRNPD) could preferentially bind to dU-containing DNA. We also discovered that HNRNPD engages in the 5-Fluorouracil (5FU)-induced DNA damage response and can modulate the repair of dU in DNA in vitro and in human cells. Moreover, using a shuttle vector- and next-generation sequencing-based method, we unveiled the crucial role of HNRNPD in promoting the replicative bypass of dU in human cells. Taken together, these findings suggested that HNRNPD is a novel dU-bearing DNA-binding protein capable of regulating the removal of dU in DNA, and provided new insights into the molecular mechanisms of dU-associated diseases.
Collapse
Affiliation(s)
- Ziyu Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Molecular Science and Biomedicine Laboratory, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Minghui Qu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Molecular Science and Biomedicine Laboratory, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Sijia Chang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Molecular Science and Biomedicine Laboratory, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Xiaoxia Dai
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Molecular Science and Biomedicine Laboratory, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China.
| | - Changjun You
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Molecular Science and Biomedicine Laboratory, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China.
| |
Collapse
|
4
|
Qi X, Liu L. The regulatory effect of lncRNA LINC00943 on the progression of hepatocellular carcinoma and its relationship with clinicopathological features. Clin Res Hepatol Gastroenterol 2024; 48:102273. [PMID: 38145786 DOI: 10.1016/j.clinre.2023.102273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/18/2023] [Accepted: 12/22/2023] [Indexed: 12/27/2023]
Abstract
BACKGROUND The risk factors for the pathogenesis of HCC are highly variable, and the prognosis of patients is very unsatisfactory. In this study, we investigated the regulatory effect of LINC00943 on HCC progression and its relationship with clinicopathological features. METHODS LINC00943 level in HCC tissues and cell specimens was verified by RT-qPCR. The pathologic significance of LINC00943 in the prognosis of HCC was analyzed by Kaplan-Meier and Cox regression analyses. The behavioral function of LINC00943 in HCC cells was evaluated via CCK-8 and Transwell assays. The specific targeting relationship between LINC00943 and miR-195-5p was investigated by luciferase activity assay. RESULTS LINC00943 was highly expressed in HCC tissues and cell specimens. Clinical data analysis showed that elevated LINC00943 indicated poor prognosis in patients with HCC and was related to TNM stage and lymph node metastasis. Cell experiments demonstrated that silencing LINC00943 sponge miR-195-5p suppressed the proliferation, migration and invasion of HCC cells. Mechanistically, miR-195-5p inhibitor remedied the suppressive effect of silencing LINC00943 on the biological functions of HCC cells. CONCLUSION LINC00943 may be an independent prognostic factor of HCC, which provides new thinking for the prognosis and treatment of HCC patients.
Collapse
Affiliation(s)
- Xiaoan Qi
- Department of General Surgery, Wuhan Xinzhou District People's Hospital, No.61-89, Xinzhou Street, Zhucheng Street, Xinzhou District, Wuhan 430400, China
| | - Liang Liu
- Department of General Surgery, Wuhan Xinzhou District People's Hospital, No.61-89, Xinzhou Street, Zhucheng Street, Xinzhou District, Wuhan 430400, China.
| |
Collapse
|
5
|
Hu W, Zhou J, Jiang Y, Bao Z, Hu X. Silencing of LINC00707 Alleviates Brain Injury by Targeting miR-30a-5p to Regulate Microglia Inflammation and Apoptosis. Neurochem Res 2024; 49:222-233. [PMID: 37715822 DOI: 10.1007/s11064-023-04029-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/30/2023] [Accepted: 09/08/2023] [Indexed: 09/18/2023]
Abstract
The role of microglia in traumatic brain injury (TBI) has gained considerable attention. The present study aims to elucidate the potential mechanisms of Long intergenic non-protein coding RNA 707 (LINC00707) in TBI-induced microglia activation and inflammatory factor release. An in vivo model of rat TBI and in vitro microglia model was established using Controlled cortex injury (CCI) and lipopolysaccharide (LPS) stimulation. RT-qPCR to detect LINC00707 levels in rat cerebral cortex or cells. Modified Neurological Impairment Score (mNSS) and Morris Water Maze test was conducted to assess the neurological deficits and cognitive impairment. ELISA analysis of pro-inflammatory factors levels. CCK-8 and flow cytometry for cell viability and apoptosis levels. Dual-luciferase report and RIP assay to validate the targeting relationship between LINC00707 and miR-30a-5p. LINC00707 was elevated in the TBI rat cerebral cortex and LPS-induced microglia, while miR-30a-5p was noticeably decreased (P < 0.05). Increased mNSS, cognitive dysfunction, and brain edema in TBI rats were all prominently reversed by silencing of LINC00707, but this reversal was partially abrogated by decreasing miR-30a-5p (P < 0.05). Inhibition of LINC00707 suppressed the overproduction of inflammatory factors in TBI rats (P < 0.05). LPS decreased microglial cell viability, increased apoptosis, and promoted inflammatory overproduction than control, but the silencing of LINC00707 reversed its effect. Suppression of miR-30a-5p attenuated this reversal (P < 0.05). miR-30a-5p was the target miRNA of LINC00707. All in all, the results suggested that inhibiting LINC00707/miR-30a-5p axis could alleviate the progression of TBI by suppressing the inflammation and apoptosis of microglia cells.
Collapse
Affiliation(s)
- Wei Hu
- Department of Neurosurgery, Taizhou Hospital of Wenzhou Medical University, No.1, Tongyang East Road, Taizhou, 317000, China.
| | - Jiang Zhou
- Department of Neurosurgery, Taizhou Enze Medical Center, Enze Hospital, Taizhou, 318050, China
| | - Yiqing Jiang
- Department of Neurosurgery, Taizhou Hospital of Wenzhou Medical University, No.1, Tongyang East Road, Taizhou, 317000, China
| | - Zeyu Bao
- Department of Neurosurgery, Taizhou Enze Medical Center, Enze Hospital, Taizhou, 318050, China
| | - Xiaoming Hu
- Department of Neurosurgery, Taizhou Hospital of Wenzhou Medical University, No.1, Tongyang East Road, Taizhou, 317000, China
| |
Collapse
|
6
|
Cui J, Liu X, Dong W, Liu Y, Ruan X, Zhang M, Wang P, Liu L, Xue Y. SNORD17-mediated KAT6B mRNA 2'-O-methylation regulates vasculogenic mimicry in glioblastoma cells. Cell Biol Toxicol 2023; 39:2841-2860. [PMID: 37058271 DOI: 10.1007/s10565-023-09805-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 03/24/2023] [Indexed: 04/15/2023]
Abstract
Glioblastoma (GBM) is a primary tumor in the intracranial compartment. Vasculogenic mimicry (VM) is a process in which a pipeline of tumor cells that provide blood support to carcinogenic cells is formed, and studying VM could provide a new strategy for clinical targeted treatment of GBM. In the present study, we found that SNORD17 and ZNF384 were significantly upregulated and promoted VM in GBM, whereas KAT6B was downregulated and inhibited VM in GBM. RTL-P assays were performed to verify the 2'-O-methylation of KAT6B by SNORD17; IP assays were used to detect the acetylation of ZNF384 by KAT6B. In addition, the binding of ZNF384 to the promoter regions of VEGFR2 and VE-cadherin promoted transcription, as validated by chromatin immunoprecipitation and luciferase reporter assays. And finally, knockdown of SNORD17 and ZNF384 combined with KAT6B overexpression effectively reduced the xenograft tumor size, prolonged the survival time of nude mice and reduced the number of VM channels. This study reveals a novel mechanism of the SNORD17/KAT6B/ZNF384 axis in modulating VM development in GBM that may provide a new goal for the comprehensive treatment of GBM.
Collapse
Affiliation(s)
- Jingyi Cui
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
| | - Xiaobai Liu
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Weiwei Dong
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Yunhui Liu
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Xuelei Ruan
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
| | - Mengyang Zhang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
| | - Ping Wang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
| | - Libo Liu
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China
| | - Yixue Xue
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China.
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, China.
| |
Collapse
|
7
|
Li T, Liu X, Ruan X, Dong W, Liu Y, Wang P, Liu L, Tiange E, Song J, Pan A, Xue Y. A novel peptide P1-121aa encoded by STK24P1 regulates vasculogenic mimicry via ELF2 phosphorylation in glioblastoma. Exp Neurol 2023; 367:114477. [PMID: 37406957 DOI: 10.1016/j.expneurol.2023.114477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/24/2023] [Accepted: 06/30/2023] [Indexed: 07/07/2023]
Abstract
Glioblastoma (GBM) is the most common malignant tumor of the central nervous system. Vasculogenic mimicry (VM) is a hematological system composed of tumor cells that exert blood perfusion without relying on vascular endothelial cells. The current poor results of anti-vascular therapy for clinical GBM are associated with the presence of VM; therefore, it is important to investigate VM formation in GBM. Our results demonstrate that STK24P1 encodes P1-121aa with a kinase structural domain, and in vitro kinase assays demonstrated that P1-121aa mediates modification of ELF2 phosphorylation. ChIP and dual luciferase reporter gene assays demonstrated that the transcription factor ELF2 binds to VE-cadherin and the VEGFR2 promoter region, thereby promoting VM formation in glioma cells. P1-121aa, encoded by the pseudogene STK24P1, phosphorylates ELF2 at S107, increasing the stability of the ELF2 protein. ELF2 promotes VEGFR2 and VE-cadherin expression at the transcriptional level, which in turn promotes VM in GBM. This study demonstrates the important roles of STK24P1, P1-121aa, and ELF2 in regulating VM in GBM, which could provide potential targets for GBM treatment.
Collapse
Affiliation(s)
- Tianyun Li
- Department of Neurobiology, School of life Sciences, China Medical University, Shenyang 110122, China; Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China
| | - Xiaobai Liu
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China; Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - XueLei Ruan
- Department of Neurobiology, School of life Sciences, China Medical University, Shenyang 110122, China; Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China
| | - Weiwei Dong
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China; Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Yunhui Liu
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China; Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Ping Wang
- Department of Neurobiology, School of life Sciences, China Medical University, Shenyang 110122, China; Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China
| | - Libo Liu
- Department of Neurobiology, School of life Sciences, China Medical University, Shenyang 110122, China; Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China
| | - E Tiange
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China; Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Jian Song
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China; Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Aini Pan
- Department of Neurobiology, School of life Sciences, China Medical University, Shenyang 110122, China; Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China
| | - Yixue Xue
- Department of Neurobiology, School of life Sciences, China Medical University, Shenyang 110122, China; Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang 110004, China.
| |
Collapse
|
8
|
Li D, Wang W, Liu B, Jin D, Wang Y, He G, Guo L, Liu W, Li Y. Characterization of circSEC11A as a novel regulator of Iodine-125 radioactive seed-induced anticancer effects in hepatocellular carcinoma via targeting ZHX2/GADD34 axis. Cell Death Discov 2023; 9:294. [PMID: 37563132 PMCID: PMC10415397 DOI: 10.1038/s41420-023-01593-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/19/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023] Open
Abstract
Iodine-125 (I-125) radioactive seed implantation is used for the local treatment of hepatocellular carcinoma (HCC), but the molecular mechanisms regulating its anticancer effects remain incompletely understood. In this study, we report that hsa_circ_0000647 (circSEC11A) is highly expressed after I-125 treatment in HCC cell lines and tissues and is a key regulator of I-125-induced anticancer effects. CircSEC11A acts as a competing endogenous RNA (ceRNA) to sponge miR-3529-3p, promoting the expression of zinc fingers and homeoboxes 2 (ZHX2) and enhancing I-125-induced anticancer effects. Dual-luciferase reporter assay, RNA pull-down, RNA immunoprecipitation, and fluorescence in situ hybridization were thereafter performed to verify the interaction among the molecules. Anticancer effects were detected using CCK-8, flow cytometry, TUNEL, EdU, transwell, and wound healing assays. Furthermore, ZHX2 transcriptionally inhibits GADD34, a negative regulator of endoplasmic reticulum stress (ERS), to enhance I-125- induced anticancer effects in vivo and in vitro. In conclusion, we characterized circSEC11A as a novel regulator of I-125-induced anticancer effects in HCC via miR-3529-3p/ZHX2/GADD34 axis-mediated ERS. Thus, circSEC11A may act as a potential therapeutic target for I-125 implantation in the clinic.
Collapse
Affiliation(s)
- Dong Li
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China
- Institute of Interventional Oncology, Shandong University, Jinan, China
| | - Wujie Wang
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China
- Institute of Interventional Oncology, Shandong University, Jinan, China
| | - Bin Liu
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China
- Institute of Interventional Oncology, Shandong University, Jinan, China
| | - Die Jin
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China
- Institute of Interventional Oncology, Shandong University, Jinan, China
| | - Yang Wang
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China
- Institute of Interventional Oncology, Shandong University, Jinan, China
| | - Guanghui He
- Department of Interventional Medicine, Weifang Second People's Hospital, Weifang, China
| | - Lei Guo
- Department of Vascular Anomalies and Interventional Radiology, Children's Hospital Affiliated to Shandong University, Jinan, China
| | - Wen Liu
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China.
- Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen, China.
| | - Yuliang Li
- Department of Interventional Medicine, The Second Hospital of Shandong University, Jinan, China.
- Institute of Interventional Oncology, Shandong University, Jinan, China.
| |
Collapse
|
9
|
Chen J, Wang H, Deng C, Fei M. SLC12A5 as a novel potential biomarker of glioblastoma multiforme. Mol Biol Rep 2023; 50:4285-4299. [PMID: 36917367 DOI: 10.1007/s11033-023-08371-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 03/02/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND Glioblastoma multiforme (GBM) is the most prevalent and malignant intracranial tumor with significant features of dismal prognosis and limited therapeutic solutions. Consequently, the present studies are committed to exploring potential biomarkers through bioinformatics analysis, which may serve as valuable prognostic predictors or novel therapeutic targets and provide new insights into the pathogenesis of GBM. METHODS We filtered overlapping differentially expressed genes (DEGs) based on expression profilings from three GBM microarray datasets (GSE116520, GSE4290 and GSE68848) and combined RNA sequencing data from The Cancer Genome Atlas and the Genotype-Tissue Expression databases. Hub genes were prioritized from DEGs after performing protein-protein interaction (PPI) network analysis and weighted gene co-expression network analysis (WGCNA). This was followed by survival analysis to identify potential biomarkers among hub genes. Ultimately, the distributions of gene expressions, genetic alterations, upstream regulatory mechanisms and enrichments of gene functions of the identified biomarkers were analysed on public databases. QRT-PCR, immunohistochemical staining and western blotting was also used to confirm the gene expression patterns in GBM and normal brain tissues. CCK-8 assay clarified the effects of the genes on GBM cells. RESULTS A total of 322 common DEGs were determined and nine genes were subsequently considered as hub genes by the combination of PPI network analysis and WGCNA. Only SLC12A5 had prognostic significance, which was deficient in GBM whereas especially enriched in normal neural tissues. SLC12A5 overexpression would inhibit cell proliferation of U251MG. Genetic alterations of SLC12A5 were rarely seen in GBM patients, and there was no apparent association existed between SLC12A5 expression and DNA methylation. SLC12A5 was prominently involved in ion transport, synapse and neurotransmitter. CONCLUSION SLC12A5 shows promise to function as a novel effective biomarker for GBM and deserves further systematic research.
Collapse
Affiliation(s)
- Jiakai Chen
- Department of Neurosurgery, Ningbo First Hospital, Ningbo, Zhejiang, China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing, Jiangsu, China
| | - Maoxing Fei
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| |
Collapse
|
10
|
Li D, Shen Y, Ren H, Wang L, Yang J, Wang Y. Repression of linc01555 up-regulates angiomotin-p130 via the microRNA-122-5p/clic1 axis to impact vasculogenic mimicry-mediated chemotherapy resistance in small cell lung cancer. Cell Cycle 2023; 22:255-268. [PMID: 36045598 DOI: 10.1080/15384101.2022.2112132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Long non-coding ribonucleic acid 01555 (linc01555) is a brand-new long non-coding RNA (lncRNA) that acts a carcinogenic function in various cancers. However, its role in small cell lung cancer (SCLC) is uncertain. This research was to figure out the role of linc01555 in cisplatin (DDP) resistance of SCLC cells and its possible latent mechanism. After establishment of the resistant sub-strain H446/DDP or DMS-53/DDP, detection of linc01555, microRNA (miR)-122-5p and CLICl was done in the H446/DDP or DMS-53/DDP cell line. After intervention, cell biological functions were determined, as well as tube formation ability. The detection of angiomotin (Amot)-p130 and the validation of the regulatory mechanism were performed. Furthermore, tumor xenografts were applied in nude mice to evaluate the effect of linc01555 on DDP resistance in SCLC in vivo. Linc01555 was elevated in SCLC tissues and cells, and in H446/DDP cells or DMS-53/DDP vs. its parental cells; Restraining linc01555 or elevating miR-122-5p repressed the proliferation and metastasis of H446/DDP or DMS-53/DDP cells and vasculogenic mimicry (VM) formation. CLIC1 mediated miR-122-5p to influence the occurrence and development of SCLC. Linc01555 competitively combined with miR-122-5p, which targeted CLIC1. Refrained linc01555 elevated Amot-p130 via the miR-122-5p/CLIC1 axis. Reduced linc01555 refrained tumor growth and DDP resistance in vivo.In short, linc01555 may cause changes in DDP resistance via miR-122-5p/CLIC1 in SCLC. The finding may offer drug targets for SCLC resistance.
Collapse
Affiliation(s)
- Dan Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, ShaanXi Province, China
| | - YanWei Shen
- Department of Surgical Oncology, Shaanxi Provincial People's Hospital, Xi'an City, ShaanXi Province, China
| | - Hui Ren
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, ShaanXi Province, China
| | - Li Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, ShaanXi Province, China
| | - Jin Yang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, ShaanXi Province, China
| | - Yuan Wang
- Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, ShaanXi Province, China
| |
Collapse
|
11
|
Abstract
As a transcriptional factor and the negative regulator of alpha fetal protein (AFP), Zinc fingers and homeoboxes 2 (ZHX2) has a well-established role in protection against hepatocellular carcinoma (HCC). However, recent studies have suggested ZHX2 as an oncogene in clear cell renal cell carcinoma (ccRCC) and triple-negative breast cancer (TNBC). Moreover, mounting evidence has illustrated a much broader role of ZHX2 in multiple cellular processes, including cell proliferation, cell differentiation, lipid metabolism, and immunoregulation. This comprehensive review emphasizes the role of ZHX2 in health and diseases which have been more recently uncovered.
Collapse
Affiliation(s)
- Na Li
- Key Laboratory for Experimental Teratology of Ministry of Education and Dept. Immunology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, Jinan, Shandong, China
| | - Zhuanchang Wu
- Key Laboratory for Experimental Teratology of Ministry of Education and Dept. Immunology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, Jinan, Shandong, China
| | - Chunhong Ma
- Key Laboratory for Experimental Teratology of Ministry of Education and Dept. Immunology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, Jinan, Shandong, China
- Key Laboratory of Infection and Immunity of Shandong Province, Shandong University, Jinan, Shandong, China
| |
Collapse
|
12
|
Dai T, Kang X, Yang C, Mei S, Wei S, Guo X, Ma Z, Shi Y, Chu Y, Dan X. Integrative Analysis of miRNA-mRNA in Ovarian Granulosa Cells Treated with Kisspeptin in Tan Sheep. Animals (Basel) 2022; 12:2989. [PMID: 36359113 PMCID: PMC9656243 DOI: 10.3390/ani12212989] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024] Open
Abstract
Kisspeptin is a peptide hormone encoded by the kiss-1 gene that regulates animal reproduction. Our studies revealed that kisspeptin can regulate steroid hormone production and promote cell proliferation in ovarian granulosa cells of Tan sheep, but the mechanism has not yet been fully understood. We speculated that kisspeptin might promote steroid hormone production and cell proliferation by mediating the expression of specific miRNA and mRNA in granulosa cells. Accordingly, after granulosa cells were treated with kisspeptin, the RNA of cells was extracted to construct a cDNA library, and miRNA-mRNA sequencing was performed. Results showed that 1303 expressed genes and 605 expressed miRNAs were identified. Furthermore, eight differentially expressed miRNAs were found, and their target genes were significantly enriched in progesterone synthesis/metabolism, hormone biosynthesis, ovulation cycle, and steroid metabolism regulation. Meanwhile, mRNA was significantly enriched in steroid biosynthesis, IL-17 signaling pathway, and GnRH signaling pathway. Integrative analysis of miRNA-mRNA revealed that the significantly different oar-let-7b targets eight genes, of which EGR1 (early growth response-1) might play a significant role in regulating the function of granulosa cells, and miR-10a regulates lipid metabolism and steroid hormone synthesis by targeting HNRNPD. Additionally, PPI analysis revealed genes that are not miRNA targets but crucial to other biological processes in granulosa cells, implying that kisspeptin may also indirectly regulate granulosa cell function by these pathways. The findings of this work may help understand the molecular mechanism of kisspeptin regulating steroid hormone secretion, cell proliferation, and other physiological functions in ovarian granulosa cells of Tan sheep.
Collapse
|
13
|
Buccarelli M, Castellani G, Ricci-Vitiani L. Glioblastoma-Specific Strategies of Vascularization: Implications in Anti-Angiogenic Therapy Resistance. J Pers Med 2022; 12:jpm12101625. [PMID: 36294763 PMCID: PMC9604754 DOI: 10.3390/jpm12101625] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/21/2022] [Accepted: 09/23/2022] [Indexed: 11/09/2022] Open
Abstract
Angiogenesis has long been implicated as a crucial process in GBM growth and progression. GBM can adopt several strategies to build up its abundant and aberrant vasculature. Targeting GBM angiogenesis has gained more and more attention in anti-cancer therapy, and many strategies have been developed to interfere with this hallmark. However, recent findings reveal that the effects of anti-angiogenic treatments are temporally limited and that tumors become refractory to therapy and more aggressive. In this review, we summarize the GBM-associated neovascularization processes and their implication in drug resistance mechanisms underlying the transient efficacy of current anti-angiogenic therapies. Moreover, we describe potential strategies and perspectives to overcome the mechanisms adopted by GBM to develop resistance to anti-angiogenic therapy as new potential therapeutic approaches.
Collapse
Affiliation(s)
- Mariachiara Buccarelli
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena, 299, 00161 Rome, Italy
| | - Giorgia Castellani
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena, 299, 00161 Rome, Italy
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del S. Cuore, Largo A. Gemelli, 8, 00168 Rome, Italy
| | - Lucia Ricci-Vitiani
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena, 299, 00161 Rome, Italy
- Correspondence:
| |
Collapse
|
14
|
Bao Y, Zhang H, Han Z, Guo Y, Yang W. Zinc Fingers and Homeobox Family in Cancer: A Double-Edged Sword. Int J Mol Sci 2022; 23:ijms231911167. [PMID: 36232466 PMCID: PMC9570228 DOI: 10.3390/ijms231911167] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
The zinc fingers and homeobox (ZHX) family includes ZHX1, ZHX2, and ZHX3, and their proteins have similar unique structures, containing two C2H2-type zinc finger motifs and four or five HOX-like homeodomains. The members of the ZHX family can form homodimers or heterodimers with each other or with a subunit of nuclear factor Y. Previous studies have suggested that ZHXs can function as positive or negative transcriptional regulators. Recent studies have further revealed their biological functions and underlying mechanisms in cancers. This review summarized the advances of ZHX-mediated functions, including tumor-suppressive and oncogenic functions in cancer formation and progression, the molecular mechanisms, and regulatory functions, such as cancer cell proliferation, migration, invasion, and metastasis. Moreover, the differential expression levels and their association with good or poor outcomes in patients with various malignancies and differential responses to chemotherapy exert opposite functions of oncogene or tumor suppressors. Therefore, the ZHXs act as a double-edged sword in cancers.
Collapse
Affiliation(s)
- Yonghua Bao
- Department of Pathology, Mudanjiang Medical University, Mudanjiang 157011, China
| | - Haifeng Zhang
- Department of Pathology, Mudanjiang Medical University, Mudanjiang 157011, China
| | - Zhixue Han
- Department of Pathology, Mudanjiang Medical University, Mudanjiang 157011, China
| | - Yongchen Guo
- Department of Immunology, Mudanjiang Medical University, Mudanjiang 157011, China
- Correspondence: (Y.G.); (W.Y.)
| | - Wancai Yang
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
- Correspondence: (Y.G.); (W.Y.)
| |
Collapse
|
15
|
Wang S, Wang C, Liu O, Hu Y, Li X, Lin B. miRNA-651-3p regulates EMT in ovarian cancer cells by targeting ZNF703 and via the MEK/ERK pathway. Biochem Biophys Res Commun 2022; 619:76-83. [PMID: 35749939 DOI: 10.1016/j.bbrc.2022.06.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/02/2022] [Indexed: 11/29/2022]
Abstract
miRNAs are non-coding single-stranded RNA molecules with many functions. Several miRNAs have been found to be dysregulated in ovarian cancer; however, the role of miR-651-3p in ovarian cancer remains unknown. Here, the expression level of miR-651-3p in ovarian tissue samples was determined via qRT-PCR, and then miR-651-3p was overexpressed and downregulated to study the functional changes in ovarian cancer cells. Based on previous research and database predictions, we analyzed the binding and regulatory effects of miR-651-3p on zinc finger protein 703 (ZNF703). We additionally evaluated the effect of miR-651-3p on epithelial-mesenchymal transition (EMT) and mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK) pathways in ovarian cancer cells. We found that miR-651-3p was downregulated in ovarian cancer tissues. miR-651-3p expression was associated with inhibited proliferation, invasion, and migration of ovarian cancer cells and promoted cell cycle arrest. Additionally, miR-651-3p was found to target ZNF703 and affect EMT in ovarian cancer by activating the MEK/ERK signaling pathway. MiR-651-3p was downregulated in ovarian cancer, and suppressed the malignant biological behavior of ovarian cancer by inhibiting ZNF703 and the MEK/ERK pathway. Our findings on miR-651-3p provided new insights for the diagnosis and treatment of ovarian cancer.
Collapse
Affiliation(s)
- Shuang Wang
- Department of Obstetrics and Gynaecology, Shengjing Hospital Affiliated to China Medical University, Liaoning, China; Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Liaoning, China
| | - Caixia Wang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Ouxuan Liu
- Department of Obstetrics and Gynaecology, Shengjing Hospital Affiliated to China Medical University, Liaoning, China; Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Liaoning, China
| | - Yuexin Hu
- Department of Obstetrics and Gynaecology, Shengjing Hospital Affiliated to China Medical University, Liaoning, China; Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Liaoning, China
| | - Xiao Li
- Department of Obstetrics and Gynaecology, Shengjing Hospital Affiliated to China Medical University, Liaoning, China; Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Liaoning, China
| | - Bei Lin
- Department of Obstetrics and Gynaecology, Shengjing Hospital Affiliated to China Medical University, Liaoning, China; Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Liaoning, China.
| |
Collapse
|
16
|
Yao Q, Li Z, Chen D. Review of LINC00707: A Novel LncRNA and Promising Biomarker for Human Diseases. Front Cell Dev Biol 2022; 10:813963. [PMID: 35155429 PMCID: PMC8826578 DOI: 10.3389/fcell.2022.813963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/11/2022] [Indexed: 12/22/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) are a major type of noncoding RNA greater than 200 nucleotides in length involved in important regulatory processes. Abnormal expression of certain lncRNAs contributes to the pathogenesis of multiple diseases, including cancers. The lncRNA LINC00707 is located on chromosome 10p14 and is abnormally expressed in numerous disease types, and particularly in several types of cancer. High LINC00707 levels mediate a series of biological functions, including cell proliferation, apoptosis, metastasis, invasion, cell cycle arrest, inflammation, and even osteogenic differentiation. In this review, we discuss the main functions and underlying mechanisms of LINC00707 in different diseases and describe promising applications of LINC00707 in clinical settings.
Collapse
Affiliation(s)
- Qinfan Yao
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, China
- National Key Clinical Department of Kidney Diseases, Institute of Nephrology, Zhejiang University, Hangzhou, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Zheng Li
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, China
- National Key Clinical Department of Kidney Diseases, Institute of Nephrology, Zhejiang University, Hangzhou, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
| | - Dajin Chen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, China
- National Key Clinical Department of Kidney Diseases, Institute of Nephrology, Zhejiang University, Hangzhou, China
- Zhejiang Clinical Research Center of Kidney and Urinary System Disease, Hangzhou, China
- *Correspondence: Dajin Chen,
| |
Collapse
|
17
|
Yuan X, Dong Z, Shen S. LncRNA GACAT3: A Promising Biomarker and Therapeutic Target in Human Cancers. Front Cell Dev Biol 2022; 10:785030. [PMID: 35127682 PMCID: PMC8811307 DOI: 10.3389/fcell.2022.785030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 01/05/2022] [Indexed: 12/24/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are a class of functional RNA molecules that do not encode proteins and are composed of more than 200 nucleotides. LncRNAs play important roles in epigenetic and gene expression regulation. The oncogenic lncRNA GACAT3 was recently discovered to be dysregulated in many tumors. Aberrant expression of GACAT3 contributes to clinical characteristics and regulates multiple oncogenic processes. The association of GACAT3 with a variety of tumors makes it a promising biomarker for diagnosis, prognosis, and targeted therapy. In this review, we integrate the current understanding of the pathological features, biological functions, and molecular mechanisms of GACAT3 in cancer. Additionally, we provide insight into the utility of GACAT3 as an effective diagnostic and prognostic marker for specific tumors, which offers novel opportunities for targeted therapeutic intervention.
Collapse
Affiliation(s)
- Xin Yuan
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zihui Dong
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Precision Medicine Center, Gene Hospital of Henan Province, The First Affifiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shen Shen
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Precision Medicine Center, Gene Hospital of Henan Province, The First Affifiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Shen Shen,
| |
Collapse
|
18
|
miR-651-3p Enhances the Sensitivity of Hepatocellular Carcinoma to Cisplatin via Targeting ATG3-Mediated Cell Autophagy. JOURNAL OF ONCOLOGY 2021; 2021:5391977. [PMID: 34457004 PMCID: PMC8390158 DOI: 10.1155/2021/5391977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/10/2021] [Indexed: 11/25/2022]
Abstract
Drug resistance is a major challenge for hepatocellular carcinoma (HCC) treatment in a clinic, which limits the therapeutic effect of the chemotherapeutic drugs, including cisplatin (CDDP), in this disease. Mounting evidence has identified that miRNAs dysfunction is related to the resistance of tumor cells to CDDP, and miR-651-3p has been identified as a tumor inhibitor to suppress the progression of multiple tumors. However, the role of miR-651-3p in HCC remains unclear. In this study, the relative expression of miR-651-3p in HCC tissues and cell lines were measured, and the functions of miR-651-3p were also observed by CCK-8 assay, flow cytometry assay, and Western blot. Moreover, the downstream target of miR-651-3p was predicted and verified via TargetScan and dual-luciferase reporter assay, and its functions were also investigated. The results showed that miR-651-3p was significantly downregulated in HCC tissues and cell lines, and the decreased miR-651-3p was also observed in CDDP-induced cells. miR-651-3p upregulation could effectively inhibit the proliferation and induce the apoptosis of R-HepG2. It was also found that ATG3 was a downstream target of miR-651-3p, and ATG3 was highly upregulated in HCC tissues. Moreover, the upregulated ATG3 could partly reverse the effects of miR-651-3p on R-HepG2. Besides, miR-651-3p involved the autophagy pathway of the HCC cells via targeting ATG3. In conclusion, miR-651-3p could regulate the autophagy to enhance the sensitivity of HepG2 cells to CDDP via targeting ATG3.
Collapse
|