scholarly journals Downregulation of UBAP2L Inhibits the Epithelial-Mesenchymal Transition via SNAIL1 Regulation in Hepatocellular Carcinoma Cells

2017 ◽  
Vol 41 (4) ◽  
pp. 1584-1595 ◽  
Author(s):  
Tao Ye ◽  
Jing Xu ◽  
Ling Du ◽  
Wenhui Mo ◽  
Yiming Liang ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Western Blot ◽  
Cell Lines ◽  
Epithelial Mesenchymal Transition ◽  
Critical Role ◽  
Migration And Invasion ◽  
Biological Traits ◽  
Mesenchymal Transition ◽  
Qrt Pcr ◽  
E Cadherin

Background/Aims: Dysregulation of ubiquitin-associated protein 2-like (UBAP2L) has been reported in tumors, but its role in hepatocellular carcinoma (HCC) progression is unclear. Methods: The expression levels of UBAP2L in HCC tissues and HCC cell lines were detected by western blot and quantitative real-time (qRT) PCR. The effects of UBAP2L expression on HCC cell biological traits, including migration and invasion, were investigated by wound healing assay and matrigel transwell assay. Simultaneously, the expression of epithelial-mesenchymal transition (EMT) markers including E-cadherin, CK-18, N-cadherin, Vimentin, Claudin7 and the promoter activity of E-cadherin were detected by western blot and qRT-PCR. Subsequently, role of SNAIL1 in UBAP2L-mediated EMT and the mechanism underlying UBAP2L-mediated SNAIL1 expression were further investigated. Results: UBAP2L was overexpressed in human HCC tissues compared with peri-tumoral tissues. Downregulation of UBAP2L inhibited migration, invasion and the EMT in highly metastatic HCC cell lines. Furthermore, UBAP2L knockdown inhibited expression of the transcriptional repressor SNAIL1 and its ability to bind to the E-cadherin promoter via SMAD2 signaling pathway, which in turn resulted in increased E-cadherin expression. Additionally, bioinformatics analysis showed that expression of UBAP2L is correlated with poor prognosis in patients with HCC. Conclusions: UBAP2L plays a critical role in maintenance of the metastatic ability of HCC cells via SNAIL1 Regulation and is predictive of a poor clinical outcome.

scholarly journals Silencing of the TROP2 gene suppresses proliferation and invasion of hepatocellular carcinoma HepG2 cells

2019 ◽  
Vol 47 (3) ◽  
pp. 1319-1329 ◽  
Author(s):  
Jian Zhang ◽  
Hai Ma ◽  
Liu Yang ◽  
Hongchun Yang ◽  
Zhenxing He
Keyword(s):  
Hepatocellular Carcinoma ◽  
Cell Proliferation ◽  
Protein Expression ◽  
Cell Lines ◽  
Epithelial Mesenchymal Transition ◽  
Migration And Invasion ◽  
Human Trophoblast ◽  
Mesenchymal Transition ◽  
Expression Levels ◽  
Proliferation And Invasion

Objectives Overexpression of human trophoblast cell surface antigen 2 (Trop2) has been observed in many cancers; however, its roles in proliferation, apoptosis, migration, and invasion of hepatocellular carcinoma (HCC) remain unclear. Thus, this study aimed to characterize the function of Trop2 in HCC. Methods Trop2 protein expression was detected by immunohistochemistry in HCC tissues. Cell proliferation, apoptosis, and invasion were respectively measured by CCK-8, flow cytometry, Transwell, and wound healing assays. Expression levels of epithelial–mesenchymal transition-related proteins and Trop2 protein in HCC cell lines were detected by western blotting after silencing of the TROP2 gene. Results Trop2 protein was highly expressed in HCC tissues and HCC cell lines. Trop2 mRNA and protein expression levels decreased in HepG2 and HCCLM3 cells after transfection with Trop2 siRNA. Silencing of the TROP2 gene in HepG2 and HCCLM3 cells strongly inhibited cell proliferation and migration, while enhancing cell apoptosis. Investigation of the molecular mechanism revealed that silencing of the TROP2 gene suppressed epithelial–mesenchymal transition of HepG2 and HCCLM3 cells. Conclusions The results of the present study may improve understanding of the role of Trop2 in regulation of cell proliferation and invasion, and may aid in development of novel therapy for HCC.

scholarly journals The Synergistic Anti-Cancer Effects of NVP-BEZ235 and Regorafenib in Hepatocellular Carcinoma

Molecules ◽  
2020 ◽  
Vol 25 (10) ◽  
pp. 2454
Author(s):  
Cheng-Chan Yu ◽  
Sung-Ying Huang ◽  
Shu-Fang Chang ◽  
Kuan-Fu Liao ◽  
Sheng-Chun Chiu
Keyword(s):  
Hepatocellular Carcinoma ◽  
Western Blot ◽  
Kinase Inhibitor ◽  
Epithelial Mesenchymal Transition ◽  
Combined Treatment ◽  
Gelatin Zymography ◽  
Migration And Invasion ◽  
Therapeutic Effects ◽  
Mesenchymal Transition ◽  
Anti Cancer

Hepatocellular carcinoma (HCC) is the most common type of liver cancer worldwide. Regorafenib is a multi-kinase inhibitor and the second-line treatment for HCC. Since the PI3K/Akt/mTOR signaling pathway is dysregulated in HCC, we evaluated the therapeutic effects of regorafenib combined with a dual PI3K/mTOR inhibitor BEZ235 in the human HCC cell lines (n = 3). The combined treatment with BEZ235 and regorafenib enhanced the inhibition of cell proliferation and increased the expression of cleaved caspase-3 and cleaved PARP in HCC cells. Moreover, the combined treatment suppressed HCC cell migration and invasion in the transwell assay. Further, the Western blot analyses confirmed the involvement of epithelial-mesenchymal transition (EMT)-related genes such as slug, vimentin, and matrix metalloproteinase (MMP)-9/-2. Additionally, the proteinase activity of MMP-9/-2 was analyzed using gelatin zymography. Furthermore, the inhibition of phosphorylation of the Akt, mTOR, p70S6K, and 4EBP1 after combined treatment was validated using Western blot analysis. Therefore, these results suggest that the combined treatment with BEZ235 and regorafenib benefits patients with HCC.

scholarly journals Capicua homology protein inhibits the progression of gastric cancer through the PI3K/AKT signaling pathway

2020 ◽  
Author(s):  
LU GE ◽  
Chang-long Hu ◽  
Zheng-hui Ge ◽  
Chun-rong Wang ◽  
Li Qian ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Western Blot ◽  
Signaling Pathway ◽  
Cell Lines ◽  
Epithelial Mesenchymal Transition ◽  
Akt Signaling ◽  
Akt Signaling Pathway ◽  
Mesenchymal Transition ◽  
Matrigel Invasion ◽  
Qrt Pcr

Abstract Purpose Capicua homolog protein (CIC) played a broad role in the development of cancer in humans, however, its role in the progression of gastric cancer (GC) specifically has been unclear. This study aimed to explore the expression of CIC and its potential clinical value in patients with GC. Methods The CIC levels in GC tissues and cell lines were examined by quantitative real-time polymerase chain reaction (qRT-PCR). And the in-vitro effects of CIC expression in MGC-803 cells on their proliferation, invasion, and the progression of epithelial-mesenchymal transition were assessed by CCK-8 assays, Matrigel-invasion analysis, qRT-PCR and Western blot assays, separately. In addition, the effects of downregulation of CIC on the activation of PI3K/AKT signaling pathway were measured using Western-blot analysis. Results The results showed CIC levels were lower in GC tissues and GC cell lines, and these lower CIC levels were correlated with tumor differentiation, Helicobacter pylori infection, TNM stage, and patient survival. In addition, CIC overexpression could promote cell proliferation, invasion, and progression of epithelial-mesenchymal transition in MGC-803 cells. Notably, exotic expression of CIC inactivated the phosphoinositide 3-kinase/protein kinase B signaling pathway. Conclusions In conclusion, our finding suggested CIC could serve as a potential diagnostic and prognostic biomarker and a probable therapy target for GC.

488 SNAIL TRANSFECTION INDUCES EPITHELIAL-MESENCHYMAL TRANSITION WITH PROPERTIES OF CANCER STEM-LIKE CELL IN ESOPHAGEAL SQUAMOUS CELL CANCER

2021 ◽  
Vol 34 (Supplement_1) ◽  
Author(s):  
Ching Tzao ◽  
Meng-Hsun Wu ◽  
Ben-Hen Chen
Keyword(s):  
Cell Migration ◽  
Cell Lines ◽  
Squamous Cell ◽  
Epithelial Mesenchymal Transition ◽  
Cell Cancer ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Cell Migration And Invasion ◽  
Sphere Formation ◽  
E Cadherin

Abstract   Cancer stem-like cell (CSC) is an important player in tumorigenesis and tumor progression. Snail has been demonstrated as a key driver for epithelial-mesenchymal transition (EMT) that is closely linked with generation of stem-like cell in human cancer. We aim to investigate if Snail transfection induces EMT and properties of stem-like cell in esophageal squamous cell carcinoma (ESCC) cell lines. Methods A lentivirus system was used to transfect human Snail via a plasmid pLV-EF1a-hSnail-Hyg into KYSE-170 and KYSE-510 ESCC cell lines. Immunoblotting was used to determine expression of EMT associated markers including Vimentin, E-cadherin, Fibronectin and N-cadherin. Assays for cell migration and invasion were conducted in Snail-transfected cells and its vector control. Cytotoxicity (MTT) and cell proliferation assay was used to determine cell growth. Sphere formation assay and flow cytometry (FCM) were employed to characterize stem cell properties while examining expression of stemness genes by using real-time polymerase chain reaction (PCR). Results After Snail transfection, mesenchymal markers, Vimentin, N-cadherin increased, whereas epithelial marker E-cadherin decreased. Snail-transfected. ESCC cells presented a significant increase in RNA expression of stemness genes such as Nanog, Oct4, ABCG2 and Sox2 with an induction in sphere formation. Moreover, ability of cell migration and invasion increased after Snail-transfection in ESCC with increased chemoresistance to cisplatin, taxol, and 5-Fluorouracil(5-FU) and an increase in radioresistance as well. Conclusion Our results demonstrated that Snail transfection induced EMT with properties of CSC in ESCC cell lines.

scholarly journals Resveratrol reverses the cadmium-promoted migration, invasion, and epithelial–mesenchymal transition procession by regulating the expression of ZEB1

2021 ◽  
pp. 096032712110416
Author(s):  
Yan Qian ◽  
Rui Wang ◽  
Wei Wei ◽  
Min Wang ◽  
Siying Wang
Keyword(s):  
Colorectal Cancer ◽  
Western Blot ◽  
Epithelial Mesenchymal Transition ◽  
Qpcr Assay ◽  
Migration And Invasion ◽  
Transwell Assay ◽  
Mesenchymal Transition ◽  
Major Progress ◽  
E Cadherin

Resveratrol has been reported as an ideal medicine in the treatment of colorectal cancer. Meanwhile, cadmium could affect the occurrence and development of tumors in various ways. Epithelial–mesenchymal transition is a major progress regulated with colorectal cancer (CRC). We aimed to determine the effect and mechanism of resveratrol on the Cd-promoted EMT in CRC cells. First, we investigated the migration and invasion of CRC cells with or without the treatment of different concentrations of Cd in vitro by the transwell assay. Second, Western blot and RT-qPCR assay were used to detect the expressions of EMT-related markers (ZEB1, vimentin, E-cadherin, and N-cadherin) in Cd-exposed CRC cells. Subsequently, after treating with different concentrations of resveratrol, the migration and invasion of Cd-exposed CRC cells were detected again, as well as the expressions of EMT-related markers. Moreover, m6A-related RNAs in Cd-exposed CRC cells after treating with resveratrol were immunoprecipitated and validated by Me-RIP and RT-qPCR. These indicated that Cd promoted the migration and invasion of CRC cells. In addition, Cd up-regulated the expressions of N-cadherin, vimentin, and ZEB1, while it down-regulated that of E-cadherin in CRC cells. Resveratrol could reverse the Cd-promoted migration, invasion, and EMT procession by regulating the expression of ZEB1.

TIPE2 inhibits the migration and invasion of endometrial cells by targeting β-catenin to reverse epithelial–mesenchymal transition

2020 ◽  
Vol 35 (6) ◽  
pp. 1377-1390
Author(s):  
Yuqiu Liu ◽  
Xiaoyan Wang ◽  
Lu Wan ◽  
Xihong Liu ◽  
Huayun Yu ◽  
...  
Keyword(s):  
Endometrial Cancer ◽  
Western Blot ◽  
Cell Lines ◽  
Natural Science ◽  
Epithelial Mesenchymal Transition ◽  
Migration And Invasion ◽  
Endometrial Cancer Cell ◽  
Mesenchymal Transition ◽  
Endometrial Cells ◽  
Ectopic Endometrium

Abstract STUDY QUESTION Do changes in tumor necrosis factor-α-induced protein 8 (TNFAIP8)-like 2 (TIPE2) levels in endometrium of patients with adenomyosis alter the proliferation, migration and invasion ability of endometrial cells? SUMMARY ANSWER TIPE2 expression levels were low in eutopic and ectopic endometrium of adenomyosis patients, and TIPE2 inhibited the migration and invasion of endometrial cells, mainly by targeting β-catenin, to reverse the epithelial-mesenchymal transition (EMT). WHAT IS KNOWN ALREADY Adenomyosis is a benign disease, but it has some pathophysiological characteristics similar to the malignant tumor. TIPE2 is a novel negative immune regulatory molecule, and it also participates in the development of malignant tumors. STUDY DESIGN, SIZE, DURATION Control endometrium (n = 48 women with non-endometrial diseases) and eutopic/ectopic endometrium from patients with adenomyosis (n = 50), human endometrial cancer cell lines, and primary endometrial cells from the eutopic endometrium of adenomyosis patients were used in the study. PARTICIPANTS/MATERIALS, SETTING, METHODS The expression level of TIPE2 mRNA and protein in the eutopic/ectopic endometrial tissues of adenomyosis patients and control endometrium was determined by quantitative RT-PCR (qRT-PCR), western blot and immunohistochemistry. The effects of TIPE2 overexpression and knockdown on the proliferation, migration and invasion of endometrial cell lines and primary adenomyotic endometrial cells were determined using a cell counting kit-8, 5-ethynyl-2′-deoxyuridine assay, colony-forming assay, transwell migration assay and matrigel invasion assay. The expression of EMT-related markers and signal molecules was detected by western blot. The interaction between TIPE2 and β-catenin was detected by co-immunoprecipitation and laser confocal microscopy. MAIN RESULTS AND THE ROLE OF CHANCE The mRNA and protein expression levels of TIPE2 in the eutopic and ectopic endometrial tissues of adenomyosis patients were significantly downregulated compared with the control endometrium (P ˂ 0.01). TIPE2 could bind to β-catenin and inhibit the nuclear translocation of β-catenin, downregulate the expression of stromal cell markers, upregulate the expression of glandular epithelial cell markers, decrease the occurrence of epithelial-mesenchymal transition (EMT) and suppress the migration and invasion of endometrial cells (P ˂ 0.01). LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION In this study, the experiments were performed only in eutopic and ectopic endometrial tissues, endometrial cancer cell lines and primary adenomyotic endometrial cells. A mouse model of adenomyosis will be constructed to detect the effects of TIPE2 in vivo. WIDER IMPLICATIONS OF THE FINDINGS These results suggest that TIPE2 is involved in the development of adenomyosis, which provides a potential new diagnostic and therapeutic strategy for the treatment of adenomyosis. STUDY FUNDINGS/COMPETING INTEREST(S) This present study was supported by grants from the National Natural Science Foundation of China (81471437, 81771554), Natural Science Foundation of Shandong (ZR2018MH013), Science and technology development plan provided by Health and Family Planning Committee in Shandong (2014-25). The authors declare that they have no conflicts of interest.

scholarly journals miR-491-3p is Downregulated in Retinoblastoma and Inhibit Tumor Cells Growth and Metastasis by Targeting SNN

2020 ◽  
Author(s):  
Yang Hu ◽  
Ming Zhao ◽  
Li Li ◽  
Jie Ding ◽  
Yu-Min Gui ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Cell Lines ◽  
Target Genes ◽  
Expression Profiles ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Qrt Pcr ◽  
Gene Assay ◽  
E Cadherin

Abstract Retinoblastoma (Rb) is the most common pediatric malignant tumor of the eyes. Previous studies demonstrated that miR-491-3p is downregulated in various cancers. However, its function in Rb remains unknown. A total of 15 pairs of primary Rb tissues and adjacent noncancerous tissues were collected. Quantitative real-time PCR (qRT-PCR) was used to investigate the expression profiles of miR-491-3p. qRT-PCR, western blotting and in situ immunocytochemistry were performed to investigate the expression profiles of epithelial–mesenchymal transition-related proteins (E-cadherin, Vimentin and N-cadherin) in Rb tissues and Rb cell lines as well as cell morphology. Cell proliferation was estimated by MTS and colony formation assays. Apoptosis was determined by FACS, cell migration and invasion were analyzed using transwell chambers. MiR-491-3p’s target genes were predicted using target gene prediction databases. The interplay between miR-491-3p and SNN was evaluated through dual luciferase reporter gene assay. MiR-491-3p was significantly downregulated in mixed collection of 15 pairs of Rb tissues and Rb cell lines. Overexpression of miR-491-3p enhanced apoptosis, and significantly suppressed proliferation, migration and invasion of Rb cells. In contrast, the present of miR-491-3p inhibitor showed reversed results which apoptosis decreased, while cell proliferation of ARPE-19 cells increased. In addition, miR-491-3p increased the expression of E-cadherin, and dramatically decreased the expression of Vimentin and N-cadherin in Rb tissues and Rb cell lines, noticeable changes in morphology, too, as cells became less cohesive and more adhering. We found out that SNN was the pairing target of miR-491-3p and result showed that miR-491-3p and SNN interacted with each other. We also found out that the effects of miR-491-3p were in Rb cells were almost entirely canceled out at the overexpression of SNN. Our findings collectively suggest that miR-491-3p is an important tumor suppressor in Rb, which inhibits tumor growth and metastasis in Rb. These implicate it may be explored as a new therapeutic target in Rb.

scholarly journals DUXAP10 inhibition attenuates the proliferation and metastasis of hepatocellular carcinoma cells by regulation of the Wnt/β-catenin and PI3K/Akt signaling pathways

2019 ◽  
Vol 39 (5) ◽  
Author(s):  
Kun Han ◽  
Chunqi Li ◽  
Xin Zhang ◽  
Liang Shang
Keyword(s):  
Hepatocellular Carcinoma ◽  
Cell Proliferation ◽  
Cell Lines ◽  
Epithelial Mesenchymal Transition ◽  
Mapk Pathway ◽  
Critical Role ◽  
Underlying Mechanism ◽  
Mesenchymal Transition ◽  
And Migration ◽  
Therapy Target

AbstractThe long non-coding RNA DUXAP10 has been involved in the development, progression, and metastasis in several human cancers, but its biological function and underlying mechanism in hepatocellular carcinoma (HCC) still undetermined. The present study was proposed to explore the effect of DUXAP10 on the growth and metastasis of HCC cells and the potential mechanisms involved. The results showed that DUXAP10 is dramatically elevated in HCC tumor tissues and cell lines. Knockdown of DUXAP10 by DUXAP10 si-RNA significantly inhibited the cell viability, proliferation and induce the apoptosis of HCC cell line. Meanwhile, inhibition of DUXAP10 attenuates the cell migration, invasion, and epithelial–mesenchymal transition (EMT) process. No significant change of JNK MAPK pathway was detected in DUXAP10 siRNA transfected HCC cell lines. The β-catenin and pAkt levels were decreased in the Hep G2+DUXAP10 siRNA and SMMC7721+DUXAP10 siRNA groups, while the activation of Wnt/β-catenin or PI3K/Akt suppressed the inhibition of DUXAP10 siRNA on cell proliferation and migration. Collectively, DUXAP10 plays a critical role in regulating HCC development, potentially by regulating EMT and cell proliferation through the PI3K/Akt and Wnt/β-catenin signaling. Inhibition of DUXAP10 in HCC HepG2 cells could attenuate the EMT and cell proliferation and invasion. Therefore, DUXAP10 might be a promising therapy target to inhibit the growth of HCC.

scholarly journals Ginsenoside Rg3 Inhibits the Growth of Osteosarcoma and Attenuates Metastasis through the Wnt/β-Catenin and EMT Signaling Pathway

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Xiaohan Mao ◽  
Yaqian Jin ◽  
Tianyu Feng ◽  
Hao Wang ◽  
Dan Liu ◽  
...  
Keyword(s):  
Western Blot ◽  
Signaling Pathway ◽  
Epithelial Mesenchymal Transition ◽  
Chinese Herb ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Ginsenoside Rg3 ◽  
Mesenchymal Transition ◽  
Qrt Pcr ◽  
Gene Assay

Osteosarcoma (OS) is the most common primary malignant bone cancer. An increasing number of studies have demonstrated that ginsenoside Rg3 (Rg3), which is extracted from the roots of the traditional Chinese herb Panax ginseng, plays a tumor suppression role in various malignant tumors. In the present study, we aimed at investigating the role of Rg3 in the proliferation, migration, and invasion of OS and at exploring the underlying mechanisms. Cell viability and proliferation were observed by MTT assay and crystal violet staining. The migration and invasion of cells were measured by wound-healing assay and Transwell method. Signaling pathway screening was investigated using luciferase reporter gene assay. qRT-PCR and western blot were performed to measure the expression of molecules involved in cell epithelial-mesenchymal transition (EMT), and Wnt/β-catenin pathway. Results suggested that Rg3 could not only inhibit proliferation but also hamper the migration and invasion of OS. qRT-PCR and western blot demonstrated that a reduced level of MMP2/MMP7/MMP9 was induced after Rg3 treatment. In addition, the expression levels of proteins related to EMT and the Wnt/β-catenin pathway were downregulated. In summary, our data revealed that Rg3 could inhibit the proliferation, migration, and invasion of OS cells. This effect of Rg3 might be mediated by downregulating MMP2, MMP7, and MMP9 expression and suppressing EMT as well as the Wnt/β-catenin pathway. Thus, Rg3 might be a potential agent for the treatment of OS.

RNF185-AS1 Promotes Hepatocellular Carcinoma Progression Through Targeting miR-221-5p/integrin β5 Axis

2020 ◽  
Author(s):  
Chunmei Huang ◽  
Ke Li ◽  
Rongfu Huang ◽  
Jianhua Zhu ◽  
Jiayao Yang
Keyword(s):  
Hepatocellular Carcinoma ◽  
Cell Proliferation ◽  
Western Blot ◽  
Rna Binding ◽  
Epithelial Mesenchymal Transition ◽  
Cell Counting ◽  
Mesenchymal Transition ◽  
Qrt Pcr ◽  
And Migration

Abstract Background: Recently, long noncoding RNAs (lncRNAs) have been reported to play important role in pathogenesis of various cancers. However, the function of RNF185-AS1 in hepatocellular carcinoma (HCC) metastasis has not been well investigated. The present study aims to explore the role and mechanism of RNF185-AS1 in hepatocellular carcinoma metastasis. Methods: The RNF185-AS1 expression in HCC cells and tissues was measured by quantitative real‐time polymerase chain reaction (qRT-PCR). The functional effects of RNF185-AS1 on tumor cell proliferation, migration, invasion and epithelial-mesenchymal transition (EMT) were assessed by Cell Counting Kit-8 (CCK8) assay, colony formation assay, transwell assay and Western blot. The luciferase reporters assay, RNA-binding protein immunoprecipitation assay, qRT-PCR and Western blot were performed to explore and confirm the interaction between RNF185-AS1 and miR-221-5p and integrin β5. The role of RNF185-AS1 in tumor progression was explored through in vivo experiments.Results: RNF185-AS1 was highly expressed in HCC tissues and cell lines. High levels of RNF185-AS1 was correlated with advanced TNM stage, distant metastasis and a poorer overall survival rate. RNF185-AS1 knockdown inhibited cell proliferation, migration, invasion and EMT. Additionally, RNF185-AS1 acted as a sponge for miR-221-5p and integrin β5 was identified as a target gene of miR-221-5p. Rescue assays showed that miR-221-5p inhibitor or integrin β5 overexpression rescued the function of RNF185-AS1 knockdown on cell proliferation, migration, invasion and EMT. Moreover, we found that RNF185-AS1 knockdown inhibited tumor metastases in xenograft tumor mouse model. Conclusion: Our findings demonstrated that RNF185-AS1 promoted cell EMT and migration by regulating miR-221-5p/integrin β5 axis in HCC.

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