Long noncoding RNA XIST regulates the EGF receptor to promote TGF-β1-induced epithelial–mesenchymal transition in pancreatic cancer

2020 ◽  
Vol 98 (2) ◽  
pp. 267-276 ◽  
Author(s):  
Lei Zou ◽  
Feng-Rong Chen ◽  
Ren-Pin Xia ◽  
Hua-Wei Wang ◽  
Zhen-Rong Xie ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Cell Proliferation ◽  
Growth Factor ◽  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Mesenchymal Transition ◽  
Clinical Specimens ◽  
Qrt Pcr ◽  
Reporter Assays ◽  
Tgf Β1

Background: This study focuses on the lncRNA XIST (X inactive-specific transcript), an lncRNA involved in multiple human cancers, and investigates the functional significance of XIST and the molecular mechanisms underlying the epithelial–mesenchymal transition (EMT) in pancreatic cancer (PC). Methods: Clinical specimens from 25 patients as well as 5 human PC cell lines were analyzed for XIST, YAP, and microRNA(miR)-34a by quantitative real-time PCR (qRT-PCR) and immunohistochemistry. To investigate how XIST influences cell proliferation, invasiveness, and apoptosis in PC, we performed the CCK-8 assays, Transwell assays, and flow cytometry. Luciferase reporter assays, qRT-PCR, and Western blot were applied to prove that miR-34a directly binds to XIST. Results: Up-regulation of XIST and Yes associated protein (YAP) and down-regulation of miR-34a were consistently observed in the clinical specimens and PC cell lines. Silencing XIST reduced the expression of YAP and suppressed transforming growth factor (TGF)-β1-induced EMT, while over-expression of XIST increased the expression of YAP and promoted EMT. In addition, inhibition of epidermal growth factor receptor (EGFR) hampered the XIST-promoted EMT. The results from the luciferase reporter assays confirmed that miR-34a directly targets XIST and suggested that XIST regulates cell proliferation, invasiveness, and apoptosis in PC by sponging miR-34a. Conclusions: XIST promotes TGF-β1-induced EMT by regulating the miR-34a–YAP–EGFR axis in PC.

scholarly journals LINC01272 Activates Epithelial-Mesenchymal Transition Through miR-153-5p in Crohn’s Disease

2021 ◽  
Author(s):  
Lin Fang ◽  
Mengcheng Hu ◽  
Fei Xia ◽  
wenxia Bai
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Rna Binding ◽  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Rna Seq ◽  
Mesenchymal Transition ◽  
Reporter Assays ◽  
Tgf Β1

Abstract Background: Long non-coding RNAs (lncRNAs) have different functions in different diseases. There is seldom research on the functions of lncRNAs in Crohn’s disease (CD). By RNA-seq technology, we identify a lncRNA associated with Crohn's disease. However, the mechanism of lncRNA regulation remains unknown. This study aimed to determine the association of LINC01272 with epithelial cell-mesenchymal transition and the underlined mechanism in CD.Methods: RNA is detected by qRT-PCR. Interaction of protein and RNA was determined by RNA binding protein immunoprecipitation. Luciferase reporter assays were used to detect the targeted miRNA of LINC01272. Tissue fibrosis was observed by Masson and HE staining. The protein expression is determined by western blot and immunofluorescence. Results: LINC01272 was highly expressed in patients with CD. Knockdown of LINC01272 inhibited TGF-β1-induced epithelial-mesenchymal transition (EMT). Additionally, LINC01272 regulated TGF-β1 induced EMT by miR-153-5p axis and knockdown of LINC01272 inhibited EMT in the CD mice in vivo. Conclusion: LINC01272 activated epithelial-mesenchymal transition through miR-153-5p in CD.

scholarly journals Kaiso (ZBTB33) Downregulation by Mirna-181a Inhibits Cell Proliferation, Invasion, and the Epithelial–Mesenchymal Transition in Glioma Cells

2018 ◽  
Vol 48 (3) ◽  
pp. 947-958 ◽  
Author(s):  
Ligang Wang ◽  
Jichao Ma ◽  
Xiaoxiong Wang ◽  
Fei Peng ◽  
Xin Chen ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Cell Lines ◽  
Opposite Effect ◽  
Epithelial Mesenchymal Transition ◽  
Glioma Cells ◽  
Luciferase Reporter ◽  
Inhibitory Effects ◽  
Mesenchymal Transition ◽  
Protein Levels ◽  
Qrt Pcr

Background/Aims: Kaiso (ZBTB33) expression is closely associated with the progression of many cancers and microRNA (miRNA) processing. MiR-181a plays critical roles in multiple cancers; however, its precise mechanisms in glioma have not been well clarified. The goal of this study was to evaluate the interaction between Kaiso and miR-181a in glioma. Methods: Quantitative real-time PCR (qRT-PCR) was performed to detect the levels of Kaiso and miR-181a in glioma tissues and cell lines. Cell proliferation, invasion, and the epithelial–mesenchymal transition (EMT) were evaluated to analyze the biological functions of miR-181a and Kaiso in glioma cells. The mRNA and protein levels of Kaiso were measured by qRT-PCR and western blotting, respectively. Meanwhile, luciferase assays were performed to validate Kaiso as a miR-181a target in glioma cells. Results: We found that the level of miR-181a was the lowest among miR-181a–d in glioma tissues and cell lines, and the low level of miR-181a was closely associated with the increased expression of Kaiso in glioma tissues. Moreover, transfection of miR-181a significantly inhibited the proliferation, invasion, and EMT of glioma cells, whereas knockdown of miR-181a had the opposite effect. Bioinformatics analysis predicted that Kaiso was a potential target gene of miR-181a, and the luciferase reporter assay demonstrated that miR-181a could directly target Kaiso. In addition, Kaiso silencing had similar effects as miR-181a overexpression in glioma cells, whereas overexpression of Kaiso in glioma cells partially reversed the inhibitory effects of the miR-181a mimic. Conclusionss: miR-181a inhibited the proliferation, invasion, and EMT of glioma cells by directly targeting and downregulating Kaiso expression.

scholarly journals Long non-coding (lnc)RNA profiling and the role of a key regulator lnc-PNRC2-1 in the transforming growth factor-β1-induced epithelial–mesenchymal transition of CNE1 nasopharyngeal carcinoma cells

2021 ◽  
Vol 49 (3) ◽  
pp. 030006052199651
Author(s):  
Jie Yang ◽  
Enzi Feng ◽  
Yanxin Ren ◽  
Shun Qiu ◽  
Liufang Zhao ◽  
...  
Keyword(s):  
Growth Factor ◽  
Nasopharyngeal Carcinoma ◽  
Rna Sequencing ◽  
Western Blotting ◽  
Transforming Growth Factor ◽  
Epithelial Mesenchymal Transition ◽  
Carcinoma Cells ◽  
Mesenchymal Transition ◽  
Emt Markers ◽  
Tgf Β1

Objectives To identify key long non-coding (lnc)RNAs responsible for the epithelial–mesenchymal transition (EMT) of CNE1 nasopharyngeal carcinoma cells and to investigate possible regulatory mechanisms in EMT. Methods CNE1 cells were divided into transforming growth factor (TGF)-β1-induced EMT and control groups. The mRNA and protein expression of EMT markers was determined by real-time quantitative PCR and western blotting. Differentially expressed genes (DEGs) between the two groups were identified by RNA sequencing analysis, and DEG functions were analyzed by gene ontology and Kyoto Encyclopedia of Genes and Genomes analyses. EMT marker expression was re-evaluated by western blotting after knockdown of a selected lncRNA. Results TGF-β1-induced EMT was characterized by decreased E-cadherin and increased vimentin, N-cadherin, and Twist expression at both mRNA and protein levels. Sixty lncRNA genes were clustered in a heatmap, and mRNA expression of 14 dysregulated lncRNAs was consistent with RNA sequencing. Knockdown of lnc-PNRC2-1 increased expression of its antisense gene MYOM3 and reduced expression of EMT markers, resembling treatment with the TGF-β1 receptor inhibitor LY2109761. Conclusion Various lncRNAs participated indirectly in the TGF-β1-induced EMT of CNE1 cells. Lnc-PNRC2-1 may be a key regulator of this and is a potential target to alleviate CNE1 cell EMT.

scholarly journals Long non-coding RNA FOXD2-AS1 promotes cell proliferation, metastasis and EMT in glioma by sponging miR-506-5p

Open Medicine ◽  
2020 ◽  
Vol 15 (1) ◽  
pp. 921-931
Author(s):  
Juan Zhao ◽  
Xue-Bin Zeng ◽  
Hong-Yan Zhang ◽  
Jie-Wei Xiang ◽  
Yu-Song Liu
Keyword(s):  
Cell Proliferation ◽  
Epithelial Mesenchymal Transition ◽  
Human Cancer ◽  
Glioma Cells ◽  
Suppressor Gene ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Non Coding Rna ◽  
Long Non Coding Rna

AbstractLong non-coding RNA forkhead box D2 adjacent opposite strand RNA 1 (FOXD2-AS1) has emerged as a potential oncogene in several tumors. However, its biological function and potential regulatory mechanism in glioma have not been fully investigated to date. In the present study, RT-qPCR was conducted to detect the levels of FOXD2-AS1 and microRNA (miR)-506-5p, and western blot assays were performed to measure the expression of CDK2, cyclinE1, P21, matrix metalloproteinase (MMP)7, MMP9, N-cadherin, E-cadherin and vimentin in glioma cells. A luciferase reporter assay was performed to verify the direct targeting of miR-506-5p by FOXD2-AS1. Subsequently, cell viability was analyzed using the CCK-8 assay. Cell migration and invasion were analyzed using Transwell and wound healing assays, respectively. The results demonstrated that FOXD2-AS1 was significantly overexpressed in glioma cells, particularly in U251 cells. Knockdown of FOXD2-AS1 in glioma cells significantly inhibited cell proliferation, migration, invasion and epithelial–mesenchymal transition (EMT) and regulated the expression of CDK2, cyclinE1, P21, MMP7 and MMP9. Next, a possible mechanism for these results was explored, and it was observed that FOXD2-AS1 binds to and negatively regulates miR-506-5p, which is known to be a tumor-suppressor gene in certain human cancer types. Furthermore, overexpression of miR-506-5p significantly inhibited cell proliferation, migration, invasion and EMT, and these effects could be reversed by transfecting FOXD2-AS1 into the cells. In conclusion, our data suggested that FOXD2-AS1 contributed to glioma proliferation, metastasis and EMT via competitively binding to miR-506-5p. FOXD2-AS1 may be a promising target for therapy in patients with glioma.

lncRNA NEAT1 Inhibits Proliferation, Invasion and Epithelial-mesenchymal Transition of Gastric Cancer Cells by Regulating MiR-129-5p/PBX3 Axis

2020 ◽  
Author(s):  
Hanshu Ji ◽  
Xiaoyu Zhang
Keyword(s):  
Gastric Cancer ◽  
Cell Proliferation ◽  
Cancer Cells ◽  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Reporter Assay ◽  
Gastric Cancer Cells ◽  
Mesenchymal Transition ◽  
Lncrna Neat1 ◽  
Dual Luciferase Reporter Assay

Abstract Purpose: lncRNA NEAT1 has been reported as a tumor-promoting gene in a variety of tumors, but few studies have explored its role and mechanism in gastric cancer. In the face of increasing incidence of gastric cancer, how to improve the diagnostic accuracy and therapeutic effect of gastric cancer is a major clinical problem. Therefore, we studied the effect and mechanism of lncRNA NEAT1 on the proliferation, invasion and epithelial-mesenchymal transition of gastric cancer cells. To inquiry into the effect of lncRNA NEAT1 on the proliferation, invasion and epithelial-mesenchymal transition (EMT) of gastric cancer (GC) cells by regulating miR-129-5p/PBX3 axis. Methods: Totally 63 GC diagnosed and treated in our hospital were selected as the study subjects, whose paired GC tissues and pericarcinomatous tissues were collected as the study specimens after obtaining their consent. QRT-PCR was employed to detect the NEAT1 expression in tissues and cells to analyze the relationship between NEAT1 and clinicopathological data of GC patients. In addition, stable and transient overexpression and inhibition vectors were established and transfected into GC cells HCG-27 and MKN-45. CCK-8, traswell, and flow cytometry were employed to evaluate the proliferation, invasion, and apoptosis of transfected cells. The correlation of miR-129-5p between PBX3 and NEAT1 was assessed using dual luciferase reporter assay, while that between NEAT1 and miR-129-5p was assessed by RNA-binding protein immunoprecipitation (RIP) . Western blot was applied for the detection of apoptosis and EMT related proteins.Results: NEAT1 was overexpressed in GC patients and had a high diagnostic value. The expression of NEAT1 was related to the pathological stage, differentiation degree, tumor size and lymph node metastasis of patients with GC. Down-regulated NEAT1 brought decreased cell proliferation, invasion and EMT, and increased apoptosis. According to dual luciferase reporter assay, NEAT1 could target miR-129-5p, while in turn miR-129-5p could target PBX3. Functional analysis exhibited that miR-129-5p overexpression inhibited PBX3 in GC cells, affecting cell proliferation, invasion, EMT and apoptosis, and rescue experiments demonstrated that these effects were eliminated by up-regulating NEAT1 expression.Conclusion: Inhibition of NEAT1 could mediate miR-129-5p/PBX3 axis to promote apoptosis of GC cells, and reduce cell proliferation, invasion and EMT.

scholarly journals Keratin 17 Suppresses Cell Proliferation and Epithelial-Mesenchymal Transition in Pancreatic Cancer

2020 ◽  
Vol 7 ◽  
Author(s):  
Yong Zeng ◽  
Min Zou ◽  
Yan Liu ◽  
Keting Que ◽  
Yunbing Wang ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Cell Proliferation ◽  
Cancer Cell ◽  
Cell Cycle Progression ◽  
Pancreatic Cancer Cell ◽  
Epithelial Mesenchymal Transition ◽  
Migration And Invasion ◽  
Cancer Cell Proliferation ◽  
Cycle Progression ◽  
Mesenchymal Transition

Keratin 17 (K17), a member of type I acidic epithelial keratin family, has been reported to be upregulated in many malignant tumors and to be involved in promoting the development of tumors. However, the precise role of K17 in progression of pancreatic cancer is still unknown. In this study, we found that K17 expression was highly expressed in pancreatic cancer tissues and cell lines and that upregulated expression was associated with the pathological grade and poor prognosis. K17 expression served as an independent predictor of pancreatic cancer survival. Meanwhile, we showed that knocking down K17 induced pancreatic cancer cell proliferation, colony formation and tumor growth in xenografts in mice. However, K17 upregulation inhibited pancreatic cancer cell proliferation and colony formation. Further mechanistic study revealed that K17 knockdown promoted cell cycle progression by upregulating CyclinD1 expression and repressed cell apoptosis. However, K17 upregulation suppressed cell cycle progression by decreasing CyclinD1 expression, and induced apoptosis by increasing the levels of cleaved Caspase3. In addition, K17 knockdown promoted pancreatic cancer cell migration and invasion, but K17 upregulation suppressed cell migration and invasion. Moreover, knocking down K17 promoted epithelial-mesenchymal transition (EMT) in pancreatic cancer cell by inhibiting E-cadherin expression and inducing Vimentin expression, and the effects of K17 upregulation were opposite to that of K17downregulation. Taken together, our findings suggest that K17 functions as a potential tumor suppressor, even though it is upregulated in pancreatic cancer.

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 Tumor-Suppressive Function of lncRNA-MEG3 in Glioma Cells by Regulating miR-6088/SMARCB1 Axis

2020 ◽  
Vol 2020 ◽  
pp. 1-15 ◽  
Author(s):  
Xin Gong ◽  
Meng-Yi Huang
Keyword(s):  
Cell Proliferation ◽  
Epithelial Mesenchymal Transition ◽  
Glioma Cells ◽  
Luciferase Reporter ◽  
Favorable Effect ◽  
Mesenchymal Transition ◽  
Gene Assay ◽  
And Migration ◽  
Proliferation And Migration ◽  
Glioma Progression

Objective. Mounting evidence has elaborated the implication of long noncoding RNAs (lncRNAs) in tumorigenesis of several cancers, including glioma. However, little was known about the mechanism of lncRNA maternally expressed gene 3 (MEG3) in the development and progression of glioma. This work is designed to explore the effect of MEG3 on glioma progression and its possible mechanism. Methods. Expressions of lncRNA-MEG3 and SMARCB1 were detected in human glioblastoma U87 and U251 cell lines. Gain and loss of function of MEG3 or/and miR-6088 was performed in U87 and U251 cells to observe its effect on cell proliferation and migration as well as on epithelial-mesenchymal transition (EMT) related markers. Luciferase reporter gene assay was employed to inspect the interactions among MEG3, miR-6088, and SMARCB1. Results. MEG3 and SMARCB1 expressions were downregulated in glioma cells. Transfection of pcDNA3.1-MEG3 or pcDNA3.1-SMARCB1 plasmids could clearly block cell proliferation, migration, and EMT progression. MEG3 functions as a sponge for miR-6088, while SMARCB1 is a downstream protein of miR-6088. Transfection of miR-6088 mimic or si-SMARCB1 could obviously reverse the favorable effect of pcDNA3.1-MEG3 on glioma progression. Conclusion. Collectively, the evidence in this study indicated that MEG3 was downregulated in glioma cells and inhibited proliferation and migration of glioma cells via regulating miR-6088/SMARCB1 axis.

scholarly journals LncRNA KRAL suppresses cell growth and increases sensitivity to doxorubicin in osteosarcoma cells by sponging microRNAs-141

2020 ◽  
Vol 18 ◽  
pp. 205873922095990
Author(s):  
Jingwei Cai ◽  
Xiaohui Chen ◽  
Fei Ma ◽  
Jun Qian ◽  
Ming Niu ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Cell Growth ◽  
Epithelial Mesenchymal Transition ◽  
Malignant Tumors ◽  
Luciferase Reporter ◽  
Acquired Drug Resistance ◽  
Mesenchymal Transition ◽  
Downstream Target ◽  
Proliferation Ability ◽  
Enneking Stage

Osteosarcoma (OS) is one of the most common types of malignant tumors characterized by uncontrolled proliferation ability and acquired drug resistance. The previous study indicated that lncRNA KRAL participated in the reversal of 5-FU resistance in liver cancer, but it remains unclear whether lncRNA KRAL involved in doxorubicin (DOX) resistance of osteosarcoma. The expression of lncRNA KRAL and MicroRNAs-141 (miR-141) were detected by RT-qPCR experiment. Also, we used the plasmids transfection to construct the lncRNA KRAL overexpressed OS cell lines. Subsequently, the cell proliferation ability and the sensitivity to DOX in OS cells upon upregulating lncRNA KRAL expression were analyzed via CCK-8 and EDU assay, while western blotting experiment was performed to detect the regulatory mechanism. We found that lncRNA KRAL was downregulated in OS tissues, and the OS patients with OS patients with lower expression of lncRNA KRAL were more likely to have advanced Enneking stage, larger tumor size and distant metastasis. Subsequently, we discovered that upregulation of lncRNA KRAL could inhibit cell proliferation and increase the sensitivity to DOX of OS cells. Interestingly, the western blot results showed that over-expression of lncRNA KRAL could lead to down-expression of P-gp protein and reversal of Epithelial–mesenchymal transition (EMT) pathway. Furthermore, we identified miR-141 as the downstream target gene of lncRNA KRAL, which was further confirmed by the luciferase reporter assay. More importantly, our data demonstrated that addition of miR-141 could reverse cell proliferation and drug sensitivity of lncRNA KRAL-overexpressed OS cells. LncRNA KRAL could suppress cell growth and increases sensitivity to DOX in OS cells by sponging miR-141.

scholarly journals Estrogen-Related Receptor-α Promotes Pancreatic Cancer Progression by Enhancing the Transcription of PAI1 and Activating the MEK/ERK Signaling Pathway

2020 ◽  
Author(s):  
Shi-lei Liu ◽  
Xiang-song Wu ◽  
Feng-nan Li ◽  
Wen-yan Yao ◽  
Zi-you Wu ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Cell Proliferation ◽  
Rna Sequencing ◽  
Chromatin Immunoprecipitation ◽  
Erk Signaling ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Erk Pathway ◽  
Reporter Assays ◽  
Estrogen Related Receptor

Abstract Background: Estrogen-related receptor alpha (ERRα), an orphan nuclear receptor, was reported to be highly associated with the progression and tumorigenesis of several human malignancies. However, the biological role and underlying molecular mechanisms of ERRα in pancreatic cancer (PC) remain unknown.Methods: The expression of ERRα in PC tissues was determined by qRT-PCR and immunohistochemistry. A series of in vitro and in vivo assays were performed to investigate the function of ERRα and Plasminogen activator inhibitor 1 (PAI1) in tumorigenesis in PC cells. The relationship between ERRα and PAI1 was identified by RNA sequencing, Chromatin immunoprecipitation and dual-luciferase reporter assays. The effects of ERRα on the MEK/ERK signaling pathway were determined by western blotting and rescue assays using ERK inhibitor GDC-0994.Results: ERRα was significantly overexpressed in PC tissues and cell lines. Its high expression was correlated with tumor size, distant metastasis, TNM stage, tumor differentiation and poor prognosis of PC. Subsequent functional assays showed that ERRα promoted PC cell proliferation, tumor growth, as well as migration and invasion via activating the epithelial-mesenchymal transition. In addition, knockdown of ERRα induced apoptosis and G0/G1 cell cycle arrest in PC cells. PAI1 was identified by RNA sequencing, knockdown of which could suppress the cell proliferation, migration and invasion that promoted by ERRα overexpression. Further mechanistic investigation using chromatin immunoprecipitation and dual-luciferase reporter assays revealed that ERRα could bind to the PAI1 promoter region and transcriptionally enhance PAI1 expression. Moreover, our data indicated that ERRα played its oncogenic role in PC via activating the MEK/ERK pathway.Conclusions: Our study demonstrates that ERRα promotes PC progression by enhancing the transcription of PAI1 and activation of the MEK/ERK pathway, pointing to ERRα as a novel diagnostic and therapeutic target for PC.

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