RUNX2 promotes malignant progression in gastric cancer by regulating COL1A1

2021 ◽  
pp. 1-12
Author(s):  
Yanlei Li ◽  
Ran Sun ◽  
Xiulan Zhao ◽  
Baocun Sun
Keyword(s):  
Gastric Cancer ◽  
Human Cancer ◽  
Clinical Stage ◽  
Collagen Type I ◽  
Migration And Invasion ◽  
Type I ◽  
Aberrant Expression ◽  
Invasion And Migration ◽  
Protein Levels

BACKGROUND: Runt-related transcription factor 2 (RUNX2) is an important gene that has been implicated in the progression of human cancer. Aberrant expression of RUNX2 predicts gastric cancer (GC) metastasis. However, the molecular mechanism of RUNX2 remains unknown. OBJECTIVE: We hypothesize that RUNX2 promotes GC metastasis by regulating the extracellular matrix component collagen type I alpha 1 (COL1A1). METHODS: The GEPIA database and immunohistochemical staining of 60 GC tissues were used to analyse the correlations between RUNX2 or COL1A1 expression and clinicopathological features, and the Kaplan-Meier method was used to evaluate survival. RT-PCR, western blotting and immunofluorescence were used to detect RUNX2 and COL1A1 expression in GC cells. Migration and invasion assays were performed to assess the influence of RUNX2 and COL1A1 on metastasis. RESULTS: RUNX2 and COL1A1 were highly expressed at both the gene and protein levels in GC, and patients who were positive for RUNX2 and COL1A1 had shorter survival. RUNX2 and COL1A1 expression linearly correlated with each other (r= 0.15, p< 0.01) and with clinical stage and lymph node metastasis (p< 0.05). Overexpressing RUNX2in vitro enhanced COL1A1 expression and promoted GC cell invasion and migration, whereas COL1A1 knockdown inhibited the increase in cell metastatic capacity promoted by RUNX2. In vivo, GC cells overexpressing RUNX2 promoted lung metastasis, and the downregulation of COL1A1 reduced the metastasis promoted by RUNX2. CONCLUSIONS: RUNX2 may promote GC metastasis by regulating COL1A1. RUNX2/COL1A1 can be employed as a novel target for therapy in GC.

Downregulation of CCKBR Expression Inhibits the Proliferation of Gastric Cancer Cells, Revealing a Potential Target for Immunotoxin Therapy

2022 ◽  
Vol 22 ◽  
Author(s):  
Meng Li ◽  
Jiang Chang ◽  
Honglin Ren ◽  
Defeng Song ◽  
Jian Guo ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cancer Cells ◽  
Cell Counting ◽  
Migration And Invasion ◽  
Gastric Cancer Cells ◽  
Aberrant Expression ◽  
Promising Target ◽  
The Impact

Background Increased CCKBR expression density or frequency has been reported in many neoplasms. Objective We aimed to investigate whether CCKBR drives the growth of gastric cancer (GC) and its potential as a therapeutic target of immunotoxins. Methods A lentiviral interference system was used to generate CCKBR-knockdown gastric cancer cells. Cell Counting Kit-8 and clonogenic assays were used to evaluate cell proliferation. Wound-healing and cell invasion assays were performed to evaluate cell mobility. Cell cycle was analyzed by flow cytometry. Tumor growth in vivo was investigated using a heterologous tumor transplantation model in nude mice. In addition, we generated the immunotoxin FQ17P and evaluated the combining capacity and tumor cytotoxicity of FQ17P in vitro. Results Stable downregulation of CCKBR expression resulted in reduced proliferation, migration and invasion of BGC-823 and SGC-7901 cells. The impact of CCKBR on gastric cancer cells was further verified through CCKBR overexpression studies. Downregulation of CCKBR expression also inhibited the growth of gastric tumors in vivo. Furthermore, FQ17P killed CCKBR-overexpressing GC cells by specifically binding to CCKBR on the tumor cell surface. Conclusion The CCKBR protein drives the growth, migration, and invasion of gastric cancer cells, and it might be a promising target for immunotoxin therapy based on its aberrant expression, functional binding interactions with gastrin, and subsequent internalization.

scholarly journals Circ_0000144 functions as a miR-623 sponge to enhance gastric cancer progression via up-regulating GPRC5A

2020 ◽  
Vol 40 (8) ◽  
Author(s):  
Lili Mi ◽  
Lianhui Lei ◽  
Xiaolei Yin ◽  
Ning Li ◽  
Jianfei Shi ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Proliferation ◽  
Tumor Growth ◽  
Cancer Progression ◽  
Colony Formation ◽  
Human Cancer ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
The Impact

Abstract Background: Gastric cancer (GC) remains one of the most common malignancies worldwide. Increasing evidence has demonstrated that circRNAs serve as critical roles in human cancer, including GC. In the present study, we focused on the detailed function and mechanism of circ_0000144 on GC progression. Methods: The levels of circ_0000144, miR-623 and G-protein-coupled receptor, family C, group 5, member A (GPRC5A) were determined by quantitative real-time polymerase chain reaction (qRT-PCR). Targeted relationships among circ_0000144, miR-623 and GPRC5A were confirmed using dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. Cell proliferation, colony formation, apoptosis, migration and invasion were evaluated by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), colony formation, flow cytometry and transwell assays. Measurement of glutamine and α-ketoglutarate (α-KG) levels was performed using a corresponding assay kit. GPRC5A protein expression was detected using Western blot. In vivo assays were used to explore the impact of circ_0000144 on tumor growth. Results: Our data indicated that circ_0000144 was up-regulated and miR-623 was down-regulated in GC tissues and cells. Circ_0000144 interacted with miR-623 through directly binding to miR-623. Moreover, the knockdown of circ_0000144 weakened GC cell proliferation, colony formation, migration, invasion and glutaminolysis and accelerated cell apoptosis by up-regulating miR-623. GPRC5A was a direct target of miR-623 and circ_0000144 protected against GPRC5A repression through sponging miR-623. Furthermore, miR-623-mediated regulation on GC cell progression was reversed by the stored expression of GPRC5A. Additionally, circ_0000144 depletion inhibited tumor growth in vivo. Conclusion: Our study indicated that circ-0000144 knockdown repressed GC progression at least partly by regulating GPRC5A expression via sponging miR-623, illumining a novel therapeutic target for GC treatment.

scholarly journals Tumor Cell-Derived Exosomal hsa_circ_0017252 Suppresses the Tumorigenesis of Gastric Cancer Through Suppressing M2 Polarization of Macrophage

2021 ◽  
Author(s):  
Jin Song ◽  
Xiaolong Xu ◽  
Shasha He ◽  
Ning Wang ◽  
Yunjing Bai ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Migration And Invasion ◽  
Nanoparticle Tracking Analysis ◽  
Transwell Assay ◽  
Gene Expressions ◽  
Protein Levels ◽  
M2 Polarization ◽  
Transmission Electron ◽  
And Migration

Abstract Background: Gastric cancer (GC) is a source of global cancer death. MiR-17-5p is reported to regulate the tumorigenesis of GC. Meanwhile, hsa_circ_0017252 is known to be upregulated in GC. However, the relation between hsa_circ_0017252 and miR-17-5p in GC remains unclear. Methods: Cell viability, migration and invasion were tested by CCK-8 and transwell assay, respectively. Gene expressions were detected by RT-qPCR, and the protein levels in cells or exosomes were tested by western blot. The efficiency of exosomes isolation was investigated by transmission electron microscope (TEM) and nanoparticle tracking analysis (NTA). Meanwhile, cell apoptosis was tested by flow cytometry. In vivo model was constructed to assess the function of MKN45 cells-derived exosomal hsa_circ_0017252 in GC. Results: Hsa_circ_0017252 was verified to be significantly downregulated in GC tissues. Hsa_circ_0017252 upregulation significantly decreased the viability and migration of GC cells, and hsa_circ_0017252 could bind with miR-17-5p. Additionally, exosomal hsa_circ_0017252 reversed the polarization of M2 macrophages, and the polarized macrophages decreased the GC cell invasion. Furthermore, exosomes with upregulated hsa_circ_0017252 suppressed the tumor growth of GC. Conclusion: Delivery of hsa_circ_0017252 by GC cells-derived exosomes inhibits the tumorigenesis of GC through reversing M2 polarization of macrophages. Thus, our finding might provide a new method for GC treatment.

scholarly journals The Interaction Between Long Non-Coding RNA LINC01564 and POU2F1 Promotes the Proliferation and Metastasis of Gastric Cancer

2021 ◽  
Author(s):  
Jixu Wang ◽  
Futao Hou ◽  
Lusheng Tang ◽  
Ke Xiao ◽  
Tengfei Yang ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Transcription Factor ◽  
Tumor Development ◽  
Transcription Activation ◽  
Migration And Invasion ◽  
Invasion And Migration ◽  
Proliferation And Metastasis ◽  
And Migration

Abstract Background: An increasing number of studies have demonstrated that long non-coding RNAs (lncRNAs) serve as key regulators in tumor development and progression. However, only a few lncRNAs have been functionally characterized in gastric cancer (GC). Methods: Bioinformatics analysis was conducted to find lncRNAs that are associated with GC metastasis. RNA FISH, RIP, and RNA pull down assays were used to study the complementary binding of LINC01564 complementary to the 3’UTR of transcription factor POU2F1. The transcription activation of LINC01564 by POU2F1 as a transcription factor was examined by ChIP assay. In vitro assays such as MTT, cell invasion assay, and clonogenic assay were conducted to examined the impacts of LINC01564 and POU2F1 on GC cell proliferation and invasion. Experiments in vivo were performed to access the impacts of LINC01564 and POU2F1 on GC metastasis. Results: The results showed that LINC01564 complementary bound to the 3’UTR of POU2F1 to form an RNA duplex, whereby stabilizing POU2F1 mRNA and increasing the enrichment in cells. The level of LINC01564 was also increased by POU2F1 through transcription activation. In vitro assays showed that LINC01564 promoted the proliferation, invasion and migration of GC cells through increasing POU2F1. In vivo experiments indicate the promotion of GC proliferation and metastasis by the interaction between LINC01564 and POU2F1. Conclusion: Taken together, our results indicate that the interaction between LINC01564 and POU2F1 promotes the proliferation, migration and invasion of GC cells.

scholarly journals The POU2F1/miR-4490/USP22 axis regulates cell proliferation and metastasis in gastric cancer

2020 ◽  
Vol 43 (6) ◽  
pp. 1017-1033 ◽  
Author(s):  
Yizhi Xiao ◽  
Side Liu ◽  
Jiaying Li ◽  
Weiyu Dai ◽  
Weimei Tang ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Proliferation ◽  
Cell Cycle Progression ◽  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Aberrant Expression ◽  
Mesenchymal Transition

Abstract Purpose Growing evidence indicates that aberrant expression of microRNAs contributes to tumor development. However, the biological role of microRNA-4490 (miR-4490) in gastric cancer (GC) remains to be clarified. Methods To explore the function of miR-4490 in GC, we performed colony formation, EdU incorporation, qRT-PCR, Western blotting, in situ hybridization (ISH), immunohistochemistry (IHC), flow cytometry, ChIP and dual-luciferase reporter assays. In addition, the growth, migration and invasion capacities of GC cells were evaluated. Results We found that miR-4490 was significantly downregulated in primary GC samples and in GC-derived cell lines compared with normal controls, and that this expression level was negatively correlated with GC malignancy. Exogenous miR-4490 expression not only reduced cell cycle progression and proliferation, but also significantly inhibited GC cell migration, invasion and epithelial-mesenchymal transition (EMT) in vitro. Mechanistically, we found that miR-4490 directly targets USP22, which mediates inhibition of GC cell proliferation and EMT-induced metastasis in vitro and in vivo. Moreover, we found through luciferase and ChIP assays that transcription factor POU2F1 can directly bind to POU2F1 binding sites within the miR-4490 and USP22 promoters and, by doing so, modulate their transcription. Spearman’s correlation analysis revealed a positive correlation between USP22 and POU2F1 expression and negative correlations between miR-4490 and USP22 as well as miR-4490 and POU2F1 expression in primary GC tissues. Conclusion Based on our results we conclude that miR-4490 acts as a tumor suppressor, and that the POU2F1/miR-4490/USP22 axis plays an important role in the regulation of growth, invasion and EMT of GC cells.

scholarly journals The role of TRPV1 ion channels in the suppression of gastric cancer development

2020 ◽  
Vol 39 (1) ◽  
Author(s):  
Nannan Gao ◽  
Feng Yang ◽  
Siyuan Chen ◽  
Hanxing Wan ◽  
Xiaoyan Zhao ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Tumor Size ◽  
Peritoneal Dissemination ◽  
Migration And Invasion ◽  
Transient Receptor Potential Vanilloid ◽  
Aberrant Expression ◽  
Trpv1 Channels

Abstract Background Although the aberrant expression and function of most Ca2+-permeable channels are known to promote gastrointestinal tumors, the association between transient receptor potential vanilloid receptor 1 (TRPV1) channels and gastric cancer (GC) has not yet been explored. Herein, we sought to determine the role of TRPV1 channels in the development of GC and to elucidate the underlying molecular mechanisms involved therein. Methods Immunohistochemistry, qPCR, Western blot, immunofluorescence assays were used to detect the mRNA and protein expression of TRPV1 in GC cells and tissues, and the clinical significance of TRPV1 in GC was also studied by clinicopathologic analysis. CCK8, colony formation, flow cytometry assays were used to detect the proliferation and survival of GC cells, while transwell assay was used to detect migration and invasion of GC cells in vitro. Tumor xenograft and peritoneal dissemination assays in nude mice were used to examine the role of TRPV1 in GC development in vivo. Results TRPV1 expression was significantly downregulated in human primary GC tissues compared to their adjacent tissues. The decreased expression of TRPV1 proteins in GC tissues was positively correlated with tumor size, histological grade, lymphatic metastasis, clinical stage, and was strongly correlated with poor prognosis of GC patients. Moreover, the expression of TRPV1 was closely correlated with Ki67, VEGFR, and E-cadherin, all of which are the well-known cancer markers for proliferation and metastasis. TRPV1 proteins were predominately expressed on the plasma membrane in several GC cell lines. TRPV1 overexpression blocked cell cycle at G1 phase to inhibit GC cell proliferation and attenuated migration and invasion of GC cells in vitro, but TRPV1 knockdown increased these parameters. TRPV1 significantly reduced gastric tumor size, number and peritoneal dissemination in vivo. Mechanistically, TRPV1 overexpression in GC cells increased [Ca2+]i, activated CaMKKβ and AMPK phosphorylation, and decreased expression of cyclin D1 and MMP2, while TRPV1 knockdown induced the opposite effects. Conclusions TRPV1 uniquely suppresses GC development through a novel Ca2+/CaMKKβ/AMPK pathway and its downregulation is correlated with poor survival of human GC patients. Thus, TRPV1 upregulation and its downstream signaling may represent a promising target for GC prevention and therapy.

scholarly journals Circ-RNF111 aggravates the malignancy of gastric cancer through miR-876-3p-dependent regulation of KLF12

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Guoxian Wu ◽  
Aimin Zhang ◽  
Yinglin Yang ◽  
Dongping Wu
Keyword(s):  
Gastric Cancer ◽  
Cell Cycle ◽  
Cell Viability ◽  
Colony Formation ◽  
Xenograft Model ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Aberrant Expression

Abstract Background The aberrant expression of circular RNAs (circRNAs) plays vital roles in the advancement of human cancers, including gastric cancer (GC). In this study, the functions of circRNA ring finger protein 111 (circ-RNF111) in GC were investigated. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) assay was performed for the levels of circ-RNF111, microRNA-876-3p (miR-876-3p) and krueppel-like factor 12 (KLF12) mRNA. RNase R assay was conducted for the feature of circ-RNF111. Cell Counting Kit-8 (CCK-8) assay, colony formation assay, wound-healing assay, and transwell assay were applied for cell viability, colony formation, migration, and invasion, respectively. Flow cytometry analysis was used to analyze cell apoptosis and cell cycle process. The glycolysis level was examined using specific commercial kits. Western blot assay was carried out to measure the protein levels of hexokinase 2 (HK-2) and KLF12. Dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay were employed to verify the combination between miR-876-3p and circ-RNF111 or KLF12. Murine xenograft model was constructed for the role of circ-RNF111 in vivo. Immunohistochemistry (IHC) was used for KLF12 level. Results Circ-RNF111 was higher expressed in GC tissues and cells than normal tissues and cells. Silencing of circ-RNF111 restrained cell viability, colony formation, migration, invasion, cell cycle process and glycolysis and induced apoptosis in GC cells in vitro. Circ-RNF111 positively regulated KLF12 expression via absorbing miR-876-3p. MiR-876-3p downregulation reversed the impacts of circ-RNF111 silencing on GC cell malignant phenotypes. MiR-876-3p overexpression repressed GC cell growth, metastasis and glycolysis, inhibited apoptosis and arrested cell cycle, while KLF12 elevation weakened the effects. Besides, circ-RNF111 knockdown inhibited tumor growth in vivo. Conclusion Circ-RNF111 knockdown relieved the development of GC by regulating miR-876-3p/KLF12 axis.

scholarly journals FGFR2 Promotes Gastric Cancer Progression by Inhibiting the Expression of Thrombospondin4 via PI3K-Akt-Mtor Pathway

2018 ◽  
Vol 50 (4) ◽  
pp. 1332-1345 ◽  
Author(s):  
Tingting Huang ◽  
Dian Liu ◽  
Yihua Wang ◽  
Piao Li ◽  
Li Sun ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cancer Progression ◽  
Clinical Stage ◽  
Xenograft Model ◽  
Mtor Pathway ◽  
Invasion And Migration ◽  
And Migration ◽  
The Relationship

Background/Aims: Fibroblast growth factor receptor 2 (FGFR2) has attracted considerable interest as a therapeutic target in gastric cancer (GC). There is growing evidence to suggest that the bioavailability of the potent pro-tumor function of FGFR2 is associated with thrombospondins (TSPs). As a follow-on from our previous study, here we evaluated the potential clinical significance and mechanism of the relationship between FGFR2 and TSP4 in GC. Methods: Expression levels of FGFR2 and TSP4 were detected by immunohistochemistry in GC tissue microarray slides. SGC7901 and MKN28 cell lines were used to confirm the relationship between FGFR2 and TSP4. In vitro cell viability, colony formation, and invasion and migration assays were performed to evaluate the effect of FGFR2-TSP4 axis on tumor cell activities. The mechanism of TSP4 regulated by FGFG2 was explored via small molecular inhibitors in vitro and a xenograft model. Results: FGFR2 was shown to be markedly overexpressed in GC tissues and was correlated with a high risk of lymph node metastasis, late clinical stage, and poor prognosis. Low TSP4 expression was associated with shorter overall survival (OS) and advanced stage in GC patients. Interestingly, correlation analysis indicated that FGFR2 was negatively associated with TSP4. Indeed, in vitro and in vivo experiments suggested FGFR2 activation could downregulate TSP4 expression, which played an important role in the proliferation, invasion and migration of GC cells. We also found involvement of the PI3K-AKT-mTOR pathway in the FGFR2-TSP4 axis. Conclusion: The FGFR2 signal promotes human GC progression through the downregulation of TSP4 via PI3K-AKT-mTOR pathway. Our findings provide a foundation for further investigating promising therapeutic strategies for GC overexpressing FGFR2.

scholarly journals A Unique Role Of TRPV1 Ion Channels In The Suppression Of Gastric Cancer Development

2020 ◽  
Author(s):  
Nannan Gao ◽  
Feng Yang ◽  
Siyuan Chen ◽  
Hanxing Wan ◽  
Xiaoyan Zhao ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Molecular Mechanisms ◽  
Transient Receptor Potential ◽  
Peritoneal Dissemination ◽  
Migration And Invasion ◽  
Transient Receptor Potential Vanilloid ◽  
Aberrant Expression ◽  
Trpv1 Channels

Abstract Background: Although the aberrant expression and function of most Ca2+-permeable channels are known to promote gastrointestinal tumors, the association of transient receptor potential vanilloid receptor 1(TRPV1) channels and gastric cancer (GC) has not been explored so far. We sought to determine their role in the development of GC and to elucidate the underlying molecular mechanisms. Methods: The expression of TRPV1 in GC cells and tissues was detected by qPCR, immunohistochemistry, western blot analysis and immunofluorescence. CCK8 and flow cytometry were used to detect the proliferation and cell cycle, while transwell assay was used to detect migration and invasion. The role of TRPV1 in GC development in vivo was tested using tumor xenograft and peritoneal dissemination assays in nude mice. Results: The decreased expression of TRPV1 protein in primary human GC tissues was closely correlated with poor prognosis of GC patients. TRPV1 protein was predominately expressed on the plasma membrane of several GC cell lines. TRPV1 overexpression attenuated proliferation, migration and invasion of GC cells in vitro, but TRPV1 knockdown increased them. Moreover, TRPV1 significantly reduced gastric tumor sizes, numbers and peritoneal dissemination in vivo. Mechanistically, TRPV1 overexpression increased [Ca2+]i, activated CaMKKβ and AMPK phosphorylation, and decreased expression of cyclin D1 and MMP2, but TRPV1 knockdown caused the opposite effects.Conclusions: TRPV1 uniquely suppresses GC through a novel Ca2+/CaMKKβ/AMPK pathway and its downregulation is correlated with poor survival in human GC. TRPV1 upregulation and its downstream signaling may be a promising strategy for GC prevention and therapy.

scholarly journals CircGSK3B promotes RORA expression and suppresses gastric cancer progression through the prevention of EZH2 trans-inhibition

2021 ◽  
Vol 40 (1) ◽  
Author(s):  
Xianxiong Ma ◽  
Hengyu Chen ◽  
Lei Li ◽  
Feng Yang ◽  
Chuanqing Wu ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cancer Progression ◽  
Gene Expression Regulation ◽  
Migration And Invasion ◽  
Circular Rnas ◽  
Loss Of Function ◽  
Invasion And Migration ◽  
And Migration

Abstract Background Circular RNAs (circRNAs) are a class of non-coding RNA that play critical roles in the development and pathogenesis of various cancers. The circRNA circGSK3B (hsa_circ_0003763) has been shown to enhance cell proliferation, migration, and invasion in hepatocellular carcinoma. However, the specific functions and underlying mechanistic involvement of circGSK3B in gastric cancer (GC) have not yet been explored. Our study aimed to investigate the effect of circGSK3B on the progression of GC and to identify any potential mechanisms underlying this process. Methods CircRNA datasets associated with GC were obtained from the PubMed, GEO, and ArrayExpress databases, and circRNAs were validated via RT-qPCR and Sanger sequencing. Biotin-labeled RNA pull-down, mass spectrometry, RNA immunoprecipitation, and in vitro binding assays were employed to determine proteins demonstrating interactions with circGSK3B. Gene expression regulation was assessed through RT-qPCR, chromatin immunoprecipitation, and western blot assays. Gain- and loss-of-function assays were used to analyze any effects of circGSK3B and its partner regulatory molecule (EZH2) on the proliferation, invasion, and migration abilities of GC cells both in vitro and in vivo. Results CircGSK3B was mainly identified in the nucleus. This circRNA was present at a reduced concentration in GC tissues and cell lines. Overexpression of circGSK3B was shown to inhibit the growth, invasion, and metastasis of GC cells both in vitro and in vivo. Mechanistically, circGSK3B directly interacted with EZH2, acting to suppress the binding of EZH2 and H3K27me3 to the RORA promoter, and leading to an elevation in RORA expression and ultimately the suppression of GC progression. Conclusions CircGSK3B acts as a tumor suppressor, reducing EZH2 trans-inhibition and GC progression. This demonstrates the potential use of this RNA as a therapeutic target for GC.

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