scholarly journals Long noncoding RNA NEAT1 aggravates osteosarcoma carcinogenesis via regulating the microRNA-579/MMP13 axis

2020 ◽  
Author(s):  
Lili Wang ◽  
Jingzhen Zhou ◽  
Yong Zhang ◽  
Tao Hu ◽  
Yongning Sun
Keyword(s):  
Noncoding Rna ◽  
Epithelial Mesenchymal Transition ◽  
Expression Profiles ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Gene Assay ◽  
Lncrna Neat1

Abstract Background: Previous studies have suggested that long non-coding RNAs (lncRNAs) were involved in tumorigenesis in various human carcinomas, including osteosarcoma (OS). However, the expression and specific role of lncRNA NEAT1 in OS remain unknown. The current study aimed at revealing the role of lncRNA NEAT1 and its related mechanism in OS.Methods: Expression profiles of lncRNAs in OS tissues were constructed, and lncRNA NEAT1 expression was verified with RT-qPCR followed by sub-localization. LncRNA-microRNA (miRNA) and miRNA-mRNA interactions were predicted. Validation was performed using dual luciferase reporter gene assay, and gain- and loss-of-function experiments. The effects of lncRNA NEAT1, miR-579 and MMP13 on the proliferation, migration and invasion, epithelial-mesenchymal transition (EMT) of OS cells were detected using colony formation, cell counting kit-8 (CCK-8), Transwell assays and Western blot analysis.Results: LncRNA NEAT1 overexpression was observed in OS tissues and cell lines which located in the cytoplasm. Transfection-induced downregulation of lncRNA NEAT1/MMP13 or overexpression of miR-579 blocked the progression of OS cells. LncRNA NEAT1 promotes MMP13 through sponging miR-579.Conclusion: LncRNA NEAT1 might be beneficial for OS aggravation via sponging miR-579 and facilitating MMP13 expression, which represents a candidate marker and target for OS therapy.

scholarly journals Long Noncoding RNA PTTG3P Promotes the Development of Childhood Asthma by Targeting the miR-192-3p/CCNB1 Axis

2021 ◽  
Author(s):  
Bing Dai ◽  
Feifei Sun ◽  
Xuxu Cai ◽  
Chunlu Li ◽  
Fen Liu ◽  
...  
Keyword(s):  
Childhood Asthma ◽  
Noncoding Rna ◽  
Epithelial Mesenchymal Transition ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Mesenchymal Transition ◽  
Gene And Protein Expression ◽  
Gene Assay ◽  
And Migration ◽  
Proliferation And Migration

Abstract Background: Increasing studies have suggested that long non-coding RNAs (lncRNAs) affect the regulation of immune responses, airway inflammation, and other pathological processes of asthma. In this study, we investigated the functions of the lncRNA PTTG3P in the progression of childhood asthma.Methods: A competitive endogenous RNA network PTTG3P/miR-192-3p/CCNB1 was identified via bioinformatics analyses. Real-time qPCR and western blot were used to quantify gene and protein expression levels, respectively. Cell counting kit‑8 and transwell assays were used to evaluate the proliferation and migration abilities of bronchial epithelial cells (16HBE). Double luciferase reporter gene assay was used to validate the predictive targets in PTTG3P, miR-192-3p, and CCNB1.Results: PTTG3P was highly expressed in the peripheral blood of children with asthma. Knocking down PTTG3P could inhibit the epithelial-mesenchymal transition (EMT), proliferation, and migration of 16HBE cells. Mechanistically, PTTG3P promoted childhood asthma progression by targeting the miR-192-3p/CCNB1 axis.Conclusions: Childhood asthma development can be stemmed by targeting the PTTG3P/miR-192-3p/CCNB1 axis. This study provides potential diagnosis and treatment biomarkers for childhood asthma.

scholarly journals LncRNA NEAT1 regulated diabetic retinal epithelial-mesenchymal transition through regulating miR-204/SOX4 axis

PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e11817
Author(s):  
Yang Yang ◽  
Jing Zhou ◽  
Wei hong Li ◽  
Zhi xiong Zhou ◽  
Xiao bo Xia
Keyword(s):  
High Glucose ◽  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
High Glucose Condition ◽  
Gene Assay ◽  
Related Proteins ◽  
Lncrna Neat1 ◽  
Glucose Condition

Aim Epithelial-mesenchymal transition (EMT) of retinal pigment epithelium (RPE) cells is the key of the development of diabetic retinopathy (DR), and lncRNA NEAT1 could accelerate EMT in diabetic nephropathy. Meanwhile, as a diabetes susceptibility gene, whether sex-determining region Y-related (SRY) high-mobility group box 4 (SOX4) has relationship with lncRNA NEAT1 in DR remains unclear. Methods Firstly, NEAT1, SOX4 and miR-204 were evaluated by qRT-PCR (quantitative reverse-transcriptase PCR) under high glucose condition. Then, cell viability, proliferation, migration and invasion were respectively detected by MTT, BrdU staining, wound healing and transwell assay after NEAT1 knockdown or miR-204 overexpression. Also, the EMT-related proteins were examined by western blot and cell immunofluorescence assay. In order to confirm the relationship between miR-204 and NEAT1 or SOX4, dual luciferase reporter gene assay was conducted. At the same time, the protein levels of SOX4 and EMT-related proteins were investigated by immunohistochemistry in vivo. Results High glucose upregulated NEAT1 and SOX4 and downregulated miR-204 in ARPE19 cells. NEAT1 knockdown or miR-204 overexpression inhibited the proliferation and EMT progression of ARPE19 cells induced by high glucose. NEAT1 was identified as a molecular sponge of miR-204 to increase the level of SOX4. The effect of NEAT1 knockdown on the progression of EMT under high glucose condition in ARPE19 cells could be reversed by miR-204 inhibitor. Also, NEAT1 knockdown inhibited retinal EMT in diabetic mice. Conclusion NEAT1 regulated the development of EMT in DR through miR-204/SOX4 pathway, which could provide reference for clinical prevention and treatment.

scholarly journals Circular RNA hsa_circ_0000277 sequesters miR-4766-5p to upregulate LAMA1 and promote esophageal carcinoma progression

2021 ◽  
Vol 12 (7) ◽  
Author(s):  
Peng Li Zhou ◽  
Zhengyang Wu ◽  
Wenguang Zhang ◽  
Miao Xu ◽  
Jianzhuang Ren ◽  
...  
Keyword(s):  
Molecular Mechanisms ◽  
Bioinformatics Analysis ◽  
Epithelial Mesenchymal Transition ◽  
Expression Profiles ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Circular Rnas ◽  
Mesenchymal Transition ◽  
Dismal Prognosis ◽  
Advanced Tumor

AbstractGrowing evidence has indicated that circular RNAs (circRNAs) play a pivotal role as functional RNAs in diverse cancers. However, most circRNAs involved in esophageal squamous cell carcinoma (ESCC) remain undefined, and the underlying molecular mechanisms mediated by circRNAs are largely unclear. Here, we screened human circRNA expression profiles in ESCC tissues and found significantly increased expression of hsa_circ_0000277 (termed circPDE3B) in ESCC tissues and cell lines compared to the normal controls. Moreover, higher circPDE3B expression in patients with ESCC was correlated with advanced tumor-node-metastasis (TNM) stage and dismal prognosis. Functional experiments demonstrated that circPDE3B promoted the tumorigenesis and metastasis of ESCC cells in vitro and in vivo. Mechanistically, bioinformatics analysis, a dual-luciferase reporter assay, and anti-AGO2 RNA immunoprecipitation showed that circPDE3B could act as a competing endogenous RNA (ceRNA) by harboring miR-4766-5p to eliminate the inhibitory effect on the target gene laminin α1 (LAMA1). In addition, LAMA1 was significantly upregulated in ESCC tissues and was positively associated with the aggressive oncogenic phenotype. More importantly, rescue experiments revealed that the oncogenic role of circPDE3B in ESCC is partly dependent on the miR-4766-5p/LAMA1 axis. Furthermore, bioinformatics analysis combined with validation experiments showed that epithelial-mesenchymal transition (EMT) activation was involved in the oncogenic functions of the circPDE3B–miR-4766-5p/LAMA1 axis in ESCC. Taken together, we demonstrate for the first time that the circPDE3B/miR-4766-5p/LAMA1 axis functions as an oncogenic factor in promoting ESCC cell proliferation, migration, and invasion by inducing EMT, implying its potential prognostic and therapeutic significance in ESCC.

scholarly journals Blockade of LINC01605-enriched exosome generation in M2 macrophages impairs M2 macrophage-induced proliferation, migration, and invasion of human dermal fibroblasts

2021 ◽  
Vol 35 ◽  
pp. 205873842110167
Author(s):  
Zhensen Zhu ◽  
Bo Chen ◽  
Liang Peng ◽  
Songying Gao ◽  
Jingdong Guo ◽  
...  
Keyword(s):  
Noncoding Rna ◽  
Dermal Fibroblast ◽  
Dermal Fibroblasts ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
M2 Macrophage ◽  
M2 Macrophages ◽  
Luciferase Reporter Gene ◽  
Gene Assay

Activated M2 macrophages are involved in hypertrophic scar (HS) formation via manipulating the differentiation of fibroblasts to myofibroblasts having the proliferative capacity and biological function. However, the function of exosomes derived from M2 macrophages in HS formation is unclear. Thus, this study aims to investigate the role of exosomes derived by M2 in the formation of HS. To understand the effect of exosomes derived from M2 macrophages on formation of HS, M2 macrophages were co-cultured with human dermal fibroblast (HDF) cells. Cell Counting Kit-8 assay was performed to evaluate HDF proliferation. To evaluate the migration and invasion of HDFs, wound-healing and transwell invasion assays were performed, respectively. To investigate the interaction between LINC01605 and miR-493-3p, a dual-luciferase reporter gene assay was adopted; consequently, an interaction between miR-493-3p and AKT1 was detected. Our results demonstrated that exosomes derived from M2 macrophages promoted the proliferation, migration, and invasion of HDFs. Additionally, we found that long noncoding RNA LINC01605, enriched in exosomes derived from M2 macrophages, promoted fibrosis of HDFs and that GW4869, an inhibitor of exosomes, could revert this effect. Mechanistically, LINC01605 promoted fibrosis of HDFs by directly inhibiting the secretion of miR-493-3p, and miR-493-3p down-regulated the expression of AKT1. Exosomes derived from M2 macrophages promote the proliferation and migration of HDFs by transmitting LINC01605, which may activate the AKT signaling pathway by sponging miR-493-3p. Our results provide a novel approach and basis for further investigation of the function of M2 macrophages in HS formation.

scholarly journals lncRNA TUG1-Mediated Mir-142-3p Downregulation Contributes to Metastasis and the Epithelial-to-Mesenchymal Transition of Hepatocellular Carcinoma by Targeting ZEB1

2018 ◽  
Vol 48 (5) ◽  
pp. 1928-1941 ◽  
Author(s):  
Chuan He ◽  
Zhigang Liu ◽  
Li Jin ◽  
Fang Zhang ◽  
Xinhao Peng ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Cell Proliferation ◽  
Cell Migration ◽  
Noncoding Rna ◽  
Epithelial Mesenchymal Transition ◽  
Tumor Formation ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition

Background/Aims: MicroRNA-142-3p (miR-142-3p) is dysregulated in many malignancies and may function as a tumor suppressor or oncogene in tumorigenesis and tumor development. However, few studies have investigated the clinical significance and biological function of miR-142-3p in hepatocellular carcinoma (HCC). Methods: The expression levels of taurine upregulated gene 1 (TUG1), miR-142-3p, and zinc finger E-box-binding homeobox 1 (ZEB1) were evaluated in HCC tissues and cell lines by quantitative real-time PCR. MTT and colony formation assays were used to detect cell proliferation ability, transwell assays were used to assess cell migration and invasion, and luciferase reporter assays were used to examine the interaction between the long noncoding RNA TUG1 and miR-142-3p. Tumor formation was evaluated through in vivo experiments. Results: miR-142-3p was significantly downregulated in HCC tissues, but TUG1 was upregulated in HCC tissues. Knockdown of TUG1 and upregulation of miR-142-3p inhibited cell proliferation, cell migration, cell invasion, and the epithelial-mesenchymal transition (EMT). miR-142-3p was found to be a prognostic factor of HCC, and the mechanism by which TUG1 upregulated ZEB1 was via direct binding to miR-142-3p. In vivo assays showed that TUG1 knockdown suppressed cell proliferation and the EMT in nude mice. Conclusion: The results of this study suggest that the TUG1/miR-142-3p/ ZEB1 axis contributes to the formation of malignant behaviors in HCC.

scholarly journals Long non-coding RNA MALAT1 regulated ATAD2 to facilitate retinoblastoma progression by sponging miR-655-3p

2020 ◽  
Author(s):  
Yuxin Zhao ◽  
Zhaoxia Wang ◽  
Meili Gao ◽  
Xuehong Wang ◽  
Hui Feng ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Epithelial Mesenchymal Transition ◽  
B Cell Lymphoma ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Western Blot Assay ◽  
Mesenchymal Transition ◽  
Non Coding Rna ◽  
Long Non Coding Rna

Abstract Background: Long non-coding RNA (lncRNA) metastasis associated lung adenocarcinoma transcript 1 (MALAT1) was reported as an oncogene in many tumors including retinoblastoma (RB). This research mainly focused on the functions and mechanism of MALAT1 in RB.Methods: The levels of MALAT1, microRNA-655-3p (miR-655-3p), and ATPase family AAA domain containing 2 (ATAD2) in RB tissues and cells were measured by quantitative real-time polymerase chain reaction (qRT-PCR). The cell viability and apoptotic rate were monitored via cell counting kit 8 (CCK8) assay and flow cytometry, respectively. The protein levels of p21, CyclinD1, B-cell lymphoma-2 (Bcl-2), cleaved-casp-3, E-cadherin, Ncadherin, Vimentin, and ATAD2 were detected by Western blot assay. Transwell assay was performed to estimate the abilities of migration and invasion. The interactions between miR-655-3p and MALAT1 or ATAD2 were predicted by starBase. Dual-luciferase reporter assay was constructed to verify these interactions. The mice model experiments were established to validate the effects of MALAT1 in vivo.Results: MALAT1and ATAD2 were significantly increased while the level of miR-655-3p was remarkably decreased in RB tissues and cells. MALAT1 knockdown inhibited cell proliferation, metastasis, and epithelial-mesenchymal transition (EMT) but promoted apoptosis via miR-655-3p in vitro, and blocked xenograft tumor growth in vivo. MALAT1 was validated to sponge miR-655-3p and ATAD2 was verified as a candidate of miR-655-3p. MiR-655-3p overexpression inhibited cell proliferation but promoted apoptosis by targeting ATAD2. MALAT1 silencing affected cell behaviors by regulating ATAD2. MALAT1 depletion down-regulated ATAD2 expression via miR-655-3p in RB cells.Conclusion: MALAT1 positively regulated ATAD2 to accelerate cell proliferation but retard apoptosis by sponging miR-655-3p in RB cells.

scholarly journals LINC01094/miR-577 axis regulates the progression of ovarian cancer

2020 ◽  
Vol 13 (1) ◽  
Author(s):  
Jing Xu ◽  
Ping Zhang ◽  
Huajun Sun ◽  
Yang Liu
Keyword(s):  
Ovarian Cancer ◽  
Cyclin D1 ◽  
Cell Lines ◽  
Cancer Biology ◽  
Biological Effects ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Gene Assay

Abstract Background Long intergenic non-coding RNA 01094 (LINC01094) is probably a novel regulator in cancer biology. This study aimed to probe into the function and mechanism of LINC01094 in ovarian cancer (OC). Methods Quantitative real-time polymerase chain reaction (qRT-PCR) assay was utilized to measure LINC01094 and miR-577 expressions in OC tissues and cell lines. Western blot was used to examine the expressions of epithelial-mesenchymal transition (EMT)-related proteins, β-catenin, c-Myc and cyclin D1. Cell counting kit-8 (CCK-8) and Transwell assays were used to detect the proliferation, migration and invasion of SKOV3 and 3AO cells, respectively. Eventually, dual-luciferase reporter gene assay was employed to detect the regulatory relationship between miR-577 and LINC01094. Results LINC01094 expression was elevated in OC tissues and cell lines. High LINC01094 expression was associated with higher FIGO stage, lymph node metastasis and the shorter overall survival rate in patients with OC. Meanwhile, LINC01094 knockdown inhibited OC cell proliferation, migration, invasion and EMT. In addition, miR-577 was demonstrated to be a direct downstream target of LINC01094 in OC and inhibition of miR-577 reversed the biological effects of LINC01094 knockdown on OC cells. Additionally, LINC01094 / miR-577 axis regulated the expressions of β-catenin, c-Myc and cyclin D1 in OC cells. Conclusion LINC01094 promotes the proliferation, migration, invasion and EMT of OC cells by adsorbing miR-577.

scholarly journals Long noncoding RNA LBX2-AS1-modulated miR-4766-5p regulates gastric cancer development through targeting CXCL5

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
LiPan Peng ◽  
ZeZhong Chen ◽  
GuangChuan Wang ◽  
ShuBo Tian ◽  
Shuai Kong ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Proliferation ◽  
Noncoding Rna ◽  
Mrna Level ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Polymerase Chain ◽  
Dual Luciferase Reporter Assay

Abstract Background Long noncoding RNAs (LncRNAs) have been reported to critically regulate gastric cancer (GC). Recently, it was reported that LBX2 antisense RNA 1 (LBX2-AS1) is abnormally expressed in GC. However, the role of LBX2-AS1 in the malignancy of GC is worth further discussion. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the LBX2-AS1, miR-4766-5p and C-X-C motif chemokine (CXCL5) expression in GC tissues and cells. Dual-luciferase reporter assay was applied to examine the target relationship between LBX2-AS1 and miR-4766-5p or miR-4766-5p and CXCL5. Cell counting kit-8 (CCK-8) and Transwell assays were used to detect cell proliferation, migration and invasion rates. The protein expression of CXCL5 was confirmed using western blot. The RNA pull down experiment was used to verify the specificity of LBX2-AS1 and miR-4766-5p on BGC-823 and SGC-7901 cells. Results LBX2-AS1 was up-regulated in GC tissues and cells, and its knockdown suppressed proliferation, migration and invasion of GC cells. While, overexpression of LBX2-AS1 increased proliferation and increased CXCL5 mRNA level. CXCL5 improved cell proliferation, migration and invasion of GC cells. LBX2-AS1 could bind to miR-4766-5p to regulate CXCL5 expression. Overexpression of CXCL5 overturned those effects of miR-4766-5p in GC cells. RNA Pull down shown that BGC-823 and SGC-7901 cells, miR-4766-5p specifically binds to LBX2-AS1. Conclusions In short, this study demonstrated that LBX2-AS1 promoted proliferation, migration and invasion through up-regulation CXCL5 mediated by miR-4766-5p in GC. The LBX2-AS1/miR-4766-5p/CXCL5 regulatory axis provides a theoretical basis for the research on lncRNA-directed therapeutics in GC.

scholarly journals Circ_001569 regulates FLOT2 expression to promote the proliferation, migration, invasion and EMT of osteosarcoma cells through sponging miR-185-5p

2020 ◽  
Vol 15 (1) ◽  
pp. 476-487
Author(s):  
Bin Xiao ◽  
Xusheng Zhang ◽  
Xiaojuan Li ◽  
Zhipeng Zhao
Keyword(s):  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Circular Rnas ◽  
New Approach ◽  
Mesenchymal Transition ◽  
Proliferation And Metastasis ◽  
Related Proteins

AbstractOsteosarcoma (OS) is a common malignant tumor in the world. Circular RNAs are endogenous non-coding RNAs that have been linked to the development of cancer. However, the role of circ_001569 in OS progression is still unclear. Quantitative real-time polymerase chain reaction (qRT-PCR) was used to detect the expression of circ_001569, microRNA-185-5p (miR-185-5p) and flotillin-2 (FLOT2). The abilities of cell proliferation, migration and invasion were evaluated by the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) and Transwell assays, respectively. Also, western blot analysis was performed to assess the levels of epithelial–mesenchymal transition (EMT)-related proteins and FLOT2 protein. Besides, the dual-luciferase reporter assay was used to verify the interactions among circ_001569, miR-185-5p and FLOT2. Circ_001569 expression was increased in OS tissues and cells, and its knockdown reduced the proliferation, migration, invasion and EMT of OS cells. MiR-185-5p could interact with circ_001569. Inhibition of miR-185-5p could recover the suppression effects of silenced-circ_001569 on the proliferation and metastasis of OS cells. Furthermore, FLOT2 was a target of miR-185-5p. Overexpressed FLOT2 could restore the inhibition effects of miR-185-5p mimic on the proliferation and metastasis of OS cells. Also, FLOT2 expression was regulated by circ_001569 and miR-185-5p. In addition, circ_001569 knockdown also reduced the OS tumor growth in vivo. Circ_001569 might act as an oncogene in OS progression by regulating the miR-185-5p/FLOT2 axis, which provided a reliable new approach for the treatment of OS patients.

scholarly journals CircRNA circ_0004370 promotes cell proliferation, migration, and invasion and inhibits cell apoptosis of esophageal cancer via miR-1301-3p/COL1A1 axis

Open Medicine ◽  
2021 ◽  
Vol 16 (1) ◽  
pp. 104-116
Author(s):  
Xiaobo Chen ◽  
Hongwen Sun ◽  
Yunping Zhao ◽  
Jing Zhang ◽  
Guosheng Xiong ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Epithelial Mesenchymal Transition ◽  
Critical Role ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Ec Cells

AbstractBackgroundThe aim of this study was to investigate the circ_0004370 expression in EC, its effects on cell proliferation, apoptosis, migration, invasion, and epithelial–mesenchymal transition (EMT) process, and the underlying regulatory mechanisms in EC.MethodsThe protein levels of COL1A1 and EMT-related proteins were detected by western blot. The role of circ_0004370 on cell viability, proliferation, and apoptosis was analyzed by Cell Counting Kit-8 (CCK-8) assay, colony formation assay, and flow cytometry, respectively. The transwell assay was used to examine cell migration and invasion. The binding sites between miR-1301-3p and circ_0004370 or COL1A1 were predicted by starbase software and confirmed by dual-luciferase reporter assay and RNA pull-down assay.ResultsWe discovered that circ_0004370 was remarkably upregulated in EC tissues and cells. Knockdown of circ_0004370 inhibited cell proliferation, migration as well as invasion, and promoted apoptosis in vitro, while its effect was rescued by miR-1301-3p inhibition. And circ_0004370 mediated the EMT process in EC cells. Moreover, we explored its regulatory mechanism and found that circ_0004370 directly bound to miR-1301-3p and COL1A1 was verified as a target of miR-1301-3p. COL1A1 was highly expressed in EC cells and upregulation of COL1A1 reversed the effects of miR-1301-3p on cell proliferation, migration, invasion, and apoptosis. In addition, silencing of circ_0004370 reduced tumor volumes and weights in vivo. We showed that circ_0004370/miR-1301-3p/COL1A1 axis played the critical role in EC to regulate the cell activities.ConclusionCirc_0004370 promotes EC proliferation, migration and invasion, and EMT process and suppresses apoptosis by regulating the miR-1301-3p/COL1A1 axis, indicating that circ_0004370 may be used as a potential therapeutic target for EC.

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