scholarly journals Long Non-Coding RNA RP11-789C1.1 Suppresses Epithelial to Mesenchymal Transition in Gastric Cancer Through the RP11-789C1.1/MiR-5003/E-Cadherin Axis

2018 ◽  
Vol 47 (6) ◽  
pp. 2432-2444 ◽  
Author(s):  
Zehong Chen ◽  
Jialin Wu ◽  
Wensheng Huang ◽  
Jianjun Peng ◽  
Jinning Ye ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Epithelial To Mesenchymal Transition ◽  
Cellular Level ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Reporter Assays ◽  
E Cadherin

Background/Aims: Gastric cancer (GC) is a common malignancy with a global incidence that ranks fourth among all tumor types. Epithelial-to-mesenchymal transition (EMT) is a tumor biological process with a role in GC cell metastasis. Long non-coding RNAs (lncRNAs) and microRNAs possess important regulatory functions at the cellular level and in diverse pathophysiological processes. This study was conducted to investigate whether lncRNA RP11-789C1.1 regulates EMT in GC by mediating the miR-5003/E-cadherin pathway. Methods: RP11-789C1.1 and miR-5003 expression was detected in GC specimens and cell lines by quantitative real-time PCR. Western blotting and immunohistochemistry were performed to detect EMT markers in GC. Cell Counting Kit 8 assays were carried out to explore cell proliferation. Wound healing and Transwell assays were conducted to determine the migration and invasion of GC cells. To clarify the correlation between RP11-789C1.1, miR-5003, and E-cadherin, dual-luciferase reporter assays were applied. Results: LncRNA RP11-789C1.1 was significantly down-regulated in GC patients and cell lines, along with the concomitant up-regulation of miR-5003. Silencing RP11-789C1.1 and over-expressing miR-5003 significantly promoted the tumor behavior of GC cells. Dual-luciferase reporter assays confirmed that miR-5003 was the target of both RP11-789C1.1 and E-cadherin. Furthermore, at both the mRNA and protein level, silencing RP11-789C1.1 remarkably reduced the expression of E-cadherin and promoted EMT, which were reversed by knocking down miR-5003. Conclusions: LncRNA RP11-789C1.1 inhibited EMT in GC through the RP11-789C1.1/miR-5003/E-cadherin axis, which could be a promising therapeutic target for GC.

scholarly journals MicroRNA-361-5p Inhibits Tumorigenesis and the EMT of HCC by Targeting Twist1

2020 ◽  
Vol 2020 ◽  
pp. 1-14
Author(s):  
Liang-Chun Yin ◽  
Gang Xiao ◽  
Rui Zhou ◽  
Xiao-Ping Huang ◽  
Ning-Lei Li ◽  
...  
Keyword(s):  
Tumor Suppressor ◽  
Cell Lines ◽  
Epithelial Mesenchymal Transition ◽  
Human Cancer ◽  
Suppressive Effect ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Bioinformatics Analyses ◽  
Mesenchymal Transition ◽  
Reporter Assays

MicroRNA-361-5p (miR-361-5p) is a tumor suppressor miRNA that is dysregulated in several types of human cancer. However, the functional significance of miR-361-5p in hepatocellular carcinoma (HCC) is unclear. This study explored the biological function of miR-361-5p in regulating the progression of HCC and the underlying molecular mechanism. RT-qPCR analysis showed that miR-361-5p was downregulated in HCC tissues and cell lines. Functional analysis revealed that miR-361-5p acted as a tumor suppressor, inhibiting cell proliferation, migration, and invasion in HCC cell lines. Bioinformatics analyses identified Twist1 as a direct target of miR-361-5p, which was validated by dual-luciferase reporter assays, RT-qPCR, and western blotting. Rescue experiments indicated that Twist1 may mediate the tumor-suppressive effect of miR-361-5p in HCC cells, and this was supported by the effect of miR-361-5p on inhibiting the epithelial-mesenchymal transition (EMT) by targeting Twist1. This study is the first to suggest that miR-361-5p inhibits tumorigenesis and EMT in HCC by targeting Twist1. These findings are valuable for the diagnosis and clinical management of HCC.

scholarly journals miR-301-3p directly regulates Cx43 to mediate the development of gastric cancer

2021 ◽  
Vol 49 (9) ◽  
pp. 030006052110331
Author(s):  
Shasha Liu ◽  
Yang Zhao ◽  
Huan Liu ◽  
Xing Zhao ◽  
Xingbin Shen
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mrna Levels ◽  
Clinical Prognosis ◽  
Expression Levels ◽  
Reporter Assays ◽  
Cx43 Mrna ◽  
Development Of Gastric Cancer

Objective Identifying novel biomarkers involved in the development of gastric cancer (GC) can provide potential therapeutic strategies and improve clinical prognosis. miR-301-3p and Cx43 are reportedly dysregulated in GC. miR-301-3p and Cx43 interaction, and their functions in GC progression, are still poorly understood. Methods The expression levels of miR-301-3p and Cx43 in GC tissues and cell lines with various differentiation degrees were evaluated by RT-qPCR. The interaction between miR-301-3p and Cx43 was assessed by dual-luciferase reporter assays. CCK8 and Transwell assays were employed to assess the effects of the miR-301-3p- Cx43 axis on GC cell proliferation, migration, and invasion. Results Cx43 was significantly downregulated in GC tissues and cell lines, while miR-301-3p expression was negatively correlated with Cx43 mRNA levels. The expression levels of Cx43 and miR-301-3p were closely associated with the differentiation, TNM stage, vascular invasion, and lymph node metastasis status of GC patients. Cx43 overexpression could suppress the proliferation, migration, and invasion of GC cells. Cx43 mRNA is a direct target of miR-301-3p, and transfection of an miR-301-3p mimic could reverse the inhibitory effects of Cx43. Conclusion The miR-301-3p- Cx43 axis is involved in the development and progression of GC by affecting the proliferation, migration, and invasion of GC cells.

scholarly journals Circ_0026344 overexpression inhibits the migration, invasion, and enhances apoptosis of colorectal cancer cells by sponging miR-31

2020 ◽  
Author(s):  
Ye Jin ◽  
Lingli Yu ◽  
Bin Zhang ◽  
Yun Chen ◽  
Changfeng Liu ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Flow Cytometry ◽  
Wound Healing ◽  
Cell Lines ◽  
Opposite Effect ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Colorectal Cancer Cells ◽  
Reporter Assays ◽  
E Cadherin

Abstract Background: Circ_0026344 was reported to be associated with the metastasis of colorectal cancer (CRC). This study aimed to investigate the expression of circ_0026344 in CRC and the effect mechanisms of circ_0026344 on CRC.Methods: The expressions of circ_0026344 and miR-31 in clinical CRC tissues or CRC cell lines were analyzed by qPCR. The target of circ_0026344 was predicted and verified by CircInteractome and dual-luciferase reporter assays. The correlation between circ_0026344 and miR-31 expression was analyzed using Pearson analysis. After the CRC cells were overexpressed circ_0026344 or miR-31 or silenced circ_0026344, the viability, apoptosis, migration, and invasion of CRC cells were evaluated by CCK-8, flow cytometry, wound healing, and transwell. Also, the expressions of miR-31, Bcl-2, Bax, E-cadherin, and N-cadherin in the cells were detected by qPCR or Western blot. Results: Circ_0026344 was low-expressed in CRC tissues and cell lines. Circ_0026344 sponged miR-31 which was high-expressed in CRC tissues. The expression of circ_0026344 was negatively correlated to the expression of miR-31. The miR-31 expression could be down-regulated by circ_0026344 overexpression. Circ_0026344 overexpression inhibited the cell viability, migration, and invasion; and enhanced the apoptosis of CRC cells. Circ_0026344 overexpression decreased the expressions of Bcl-2 and N-cadherin and increased the expressions of Bax and E-cadherin in CRC cells. Circ_0026344 silencing and miR-31 overexpression had an opposite effect on CRC cells as circ_0026344 overexpression. Furthermore, miR-31 overexpression counteracted the effect of circ_0026344 overexpression.Conclusion: Circ_0026344 overexpression inhibited the migration, invasion, and enhanced apoptosis of CRC cells by sponging miR-31.

scholarly journals H19/miR-194/E2F3 regulating loop promotes gastric cancer growth and metastasis

2020 ◽  
Author(s):  
Wanxiang Qin ◽  
Ying Shi ◽  
Dan Zhu ◽  
Yaohua Chen ◽  
Yuping Li ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Competitive Binding ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mrna Levels ◽  
Ags Cells ◽  
Qrt Pcr ◽  
Gene Assay

Abstract Background: Gastric cancer (GC) is one of the most frequent malignant digestive tumors and second fatal cancer. This study was to investigate whether lncRNA-H19 can regulate E2F3 expression through competitive binding to microRNA-194 (miR-194), thus regulating GC growth and metastasis. Methods: H19, miR-194, and E2F3 expression levels in GC tissues and cell lines were investigated using quantitative reverse transcriptase-polymerase chain reaction (QRT-PCR). Meanwhile, the mRNA levels of H19 and E2F3 in gastric cancer tissues were also analyzed through the GEPIA web tool. The binding condition of miR-194 with H19 and E2F3 was investigated using a dual-luciferase reporter gene assay. The regulatory effects of H19 on proliferative, migratory, and invasive abilities of AGS cells and SGC-7901 cells were detected by transwell assay and cell counting kit-8 (CCK-8). Genes involved in proliferation, migration, and invasion (PCNA, Vimentin, and N-cadherin) were determined using QRT-PCR and western blot. The regulatory interaction between H19 and miR-194, miR-194, and E2F3 were investigated using rescue experiments. Results: The results revealed that H19 was highly expressed in GC tissues and cell lines than those of controls. Downregulated H19 decreased the proliferation, migration, and invasion of AGS cells and SGC-7901 cells. H19 was demonstrated that being the molecular sponge of miR-194 in regulating the growth of the GC cells. The level of E2F3 expression was also found significantly higher in GC tissues and cell lines than those of controls. And then, the mimics of miR-194 inhibited the expression of E2F3 in the GC cells. CCK-8 assay showed decreased proliferative ability induced by miR-194 mimics were reversed by E2F3 overexpression. Transwell assays showed decreased migratory and invasive ability induced by miR-194 mimics were reversed by E2F3 overexpression. Conclusions: This study demonstrates that H19 promotes GC growth and metastasis by regulating E2F3 via competitive binding to miRNA-194.

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 H19/miR-194/E2F3 regulating loop promotes gastric cancer growth and metastasis

2020 ◽  
Author(s):  
Wanxiang Qin ◽  
Ying Shi ◽  
Dan Zhu ◽  
Yaohua Chen ◽  
Yuping Li ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Competitive Binding ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mrna Levels ◽  
Ags Cells ◽  
Qrt Pcr ◽  
Gene Assay

Abstract Background Gastric cancer (GC) is one of the most frequent malignant digestive tumors and second fatal cancer. This study was to investigate whether lncRNA-H19 can regulate E2F3 expression through competitive binding to microRNA-194 (miR-194), thus regulating GC growth and metastasis. Methods H19, miR-194, and E2F3 expression levels in GC tissues and cell lines were investigated using quantitative reverse transcriptase-polymerase chain reaction (QRT-PCR). Meanwhile, the mRNA levels of H19 and E2F3 in gastric cancer tissues were also analyzed through the GEPIA web tool. The binding condition of miR-194 with H19 and E2F3 was investigated using a dual-luciferase reporter gene assay. The regulatory effects of H19 on proliferative, migratory, and invasive abilities of AGS cells and SGC-7901 cells were detected by transwell assay and cell counting kit-8 (CCK-8). Genes involved in proliferation, migration, and invasion (PCNA, Vimentin, and N-cadherin) were determined using QRT-PCR and western blot. The regulatory interaction between H19 and miR-194, miR-194, and E2F3 were investigated using rescue experiments. Results The results revealed that H19 was highly expressed in GC tissues and cell lines than those of controls. Downregulated H19 decreased the proliferation, migration, and invasion of AGS cells and SGC-7901 cells. H19 was demonstrated that being the molecular sponge of miR-194 in regulating the growth of the GC cells. The level of E2F3 expression was also found significantly higher in GC tissues and cell lines than those of controls. And then, the mimics of miR-194 inhibited the expression of E2F3 in the GC cells. CCK-8 assay showed decreased proliferative ability induced by miR-194 mimics were reversed by E2F3 overexpression. Transwell assays showed decreased migratory and invasive ability induced by miR-194 mimics were reversed by E2F3 overexpression. Conclusions This study demonstrates that H19 promotes GC growth and metastasis by regulating E2F3 via competitive binding to miRNA-194.

scholarly journals H19/miR-194/E2F3 regulating loop promotes gastric cancer growth and metastasis

2020 ◽  
Author(s):  
Wanxiang Qin ◽  
Ying Shi ◽  
Dan Zhu ◽  
Yaohua Chen ◽  
Yuping Li ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Competitive Binding ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mrna Levels ◽  
Ags Cells ◽  
Qrt Pcr ◽  
Gene Assay

Abstract Background Gastric cancer (GC) is one of the most frequent malignant digestive tumors and second fatal cancer. This study was to investigate whether lncRNA-H19 can regulate E2F3 expression through competitive binding to microRNA-194 (miR-194), thus regulating GC growth and metastasis. Methods H19, miR-194, and E2F3 expression levels in GC tissues and cell lines were investigated using quantitative reverse transcriptase-polymerase chain reaction (QRT-PCR). Meanwhile, the mRNA levels of H19 and E2F3 in gastric cancer tissues were also analyzed through the GEPIA web tool. The binding condition of miR-194 with H19 and E2F3 was investigated using a dual-luciferase reporter gene assay. The regulatory effects of H19 on proliferative, migratory, and invasive abilities of AGS cells and SGC-7901 cells were detected by transwell assay and cell counting kit-8 (CCK-8). Genes involved in proliferation, migration, and invasion (PCNA, Vimentin, and N-cadherin) were determined using QRT-PCR and western blot. The regulatory interaction between H19 and miR-194, miR-194, and E2F3 were investigated using rescue experiments. Results The results revealed that H19 was highly expressed in GC tissues and cell lines than those of controls. Downregulated H19 decreased the proliferation, migration, and invasion of AGS cells and SGC-7901 cells. H19 was demonstrated that being the molecular sponge of miR-194 in regulating the growth of the GC cells. The level of E2F3 expression was also found significantly higher in GC tissues and cell lines than those of controls. And then, the mimics of miR-194 inhibited the expression of E2F3 in the GC cells. CCK-8 assay showed decreased proliferative ability induced by miR-194 mimics were reversed by E2F3 overexpression. Transwell assays showed decreased migratory and invasive ability induced by miR-194 mimics were reversed by E2F3 overexpression. Conclusions This study demonstrates that H19 promotes GC growth and metastasis by regulating E2F3 via competitive binding to miRNA-194.

Circular RNA circ_0000039 enhances gastric cancer progression through miR-1292-5p/DEK axis

2020 ◽  
pp. 1-11
Author(s):  
Dengguo Fan ◽  
Changjiang Wang ◽  
Deyuan Wang ◽  
Ning Zhang ◽  
Tao Yi
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Cancer Progression ◽  
Human Cancer ◽  
Circular Rna ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Tissue Samples ◽  
Poor Differentiation

BACKGROUND: Circular RNA (circRNA) is a class of non-coding RNA that is vital for regulating gene expression and biological functions. Mounting studies demonstrate that circRNA is crucial for human cancer development. However, the role of circ_0000039 in gastric cancer (GC) remains uncertain. METHODS: Normal human gastric tissues and GC tissue samples were collected, and quantitative real-time polymerase chain reaction (qRT-PCR) was employed to detect the expression levels of circ_0000039, miR-1292-5p, and DEK. GC cell lines with overexpression and low expression of circ_0000039 were constructed. Cell counting kit-8 (CCK-8), scratch healing and Transwell experiments were used to assess the function of circ_0000039 on the proliferation, migration and invasion of GC cells. Bioinformatics analysis and dual-luciferase reporter assays were employed to detect the targeting relationship between circ_0000039 and miR-1292-5p. RESULTS: Circ_0000039 expression was up-regulated in GC tissues and cell lines, and it was significantly related with poor differentiation of tumor tissues. In addition, circ_0000039 overexpression enhanced the proliferation, migration and invasion of GC cells, while circ_0000039 depletion inhibited these malignant biological behaviors. In terms of mechanism, it was found that circ_0000039 promoted the proliferation and progression of GC cells by adsorbing miR-1292-5p and up-regulating the expression of DEK. CONCLUSION: Circ_0000039 is a new oncogenic circRNA in GC, which regulates the miR-1292-5p/DEK axis to modulate the malignant biological behaviors of GC.

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 H19/miR-194/E2F3 regulating loop promotes gastric cancer growth and metastasis

2020 ◽  
Author(s):  
Wanxiang Qin ◽  
Ying Shi ◽  
Dan Zhu ◽  
Yaohua Chen ◽  
Yuping Li ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Cell Lines ◽  
Competitive Binding ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mrna Levels ◽  
Ags Cells ◽  
Qrt Pcr ◽  
Gene Assay

Abstract Background Gastric cancer (GC) is one of the most frequent malignant digestive tumors and second fatal cancer. This study was to investigate whether lncRNA-H19 can regulate E2F3 expression through competitive binding to microRNA-194 (miR-194), thus regulating GC growth and metastasis. Methods H19, miR-194, and E2F3 expression levels in GC tissues and cell lines were investigated using quantitative reverse transcriptase-polymerase chain reaction (QRT-PCR). Meanwhile, the mRNA levels of H19 and E2F3 in gastric cancer tissues were also analyzed through the GEPIA web tool. The binding condition of miR-194 with H19 and E2F3 was investigated using a dual-luciferase reporter gene assay. The regulatory effects of H19 on proliferative, migratory, and invasive abilities of AGS cells and SGC-7901 cells were detected by transwell assay and cell counting kit-8 (CCK-8). Genes involved in proliferation, migration, and invasion (PCNA, Vimentin, and N-cadherin) were determined using QRT-PCR and western blot. The regulatory interaction between H19 and miR-194, miR-194, and E2F3 were investigated using rescue experiments. Results The results revealed that H19 was highly expressed in GC tissues and cell lines than those of controls. Downregulated H19 decreased the proliferation, migration, and invasion of AGS cells and SGC-7901 cells. H19 was demonstrated that being the molecular sponge of miR-194 in regulating the growth of the GC cells. The level of E2F3 expression was also found significantly higher in GC tissues and cell lines than those of controls. And then, the mimics of miR-194 inhibited the expression of E2F3 in the GC cells. CCK-8 assay showed decreased proliferative ability induced by miR-194 mimics were reversed by E2F3 overexpression. Transwell assays showed decreased migratory and invasive ability induced by miR-194 mimics were reversed by E2F3 overexpression. Conclusions This study demonstrates that H19 promotes GC growth and metastasis by regulating E2F3 via competitive binding to miRNA-194.

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