scholarly journals lncRNA TUG1 modulates proliferation, apoptosis, invasion, and angiogenesis via targeting miR-29b in trophoblast cells

2019 ◽  
Vol 13 (1) ◽  
Author(s):  
Qian Li ◽  
Jing Zhang ◽  
Dong-Mei Su ◽  
Li-Na Guan ◽  
Wei-Hong Mu ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Critical Role ◽  
Ectopic Expression ◽  
Neonatal Morbidity ◽  
Tube Formation ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Pcr Analysis ◽  
Aberrant Expression ◽  
Lncrna Tug1

Abstract Background Pre-eclampsia (PE) is regarded as the leading cause of maternal and neonatal morbidity and mortality. Nevertheless, the potential mechanism for the regulation of trophoblast behaviors and the pathogenesis of PE remain largely elusive. Recently, accumulating evidence emphasized that aberrant expression of long non-coding RNAs (lncRNAs) functions as imperative regulators in human diseases, including PE. Thus, identifying PE-related specific lncRNAs to uncover the underlying molecular mechanism is of much significance. However, the functional roles and underlying mechanisms of lncRNAs in PE progression remain unclear. Method Placenta tissues obtained from patients with PE and healthy pregnant women were performed to measure TUG1 expression by qRT-PCR analysis. Transient transfections were conducted to alter TUG1 expression. Cell Counting Kit-8 (CCK-8) and flow cytometry assays were carried out to assess cell proliferation and apoptosis, respectively. Transwell and tube formation assays were performed to measure the capacity of cell invasion and angiogenesis. Moreover, the luciferase reporter assay was subjected to verify the binding relationship between TUG1 and miR-29b. Western blot analysis was performed to detect the expression of key proteins in the PI3K/AKT and ERK pathway. Results Here, we identified a lncRNA, TUG1, which was notably decreased in placental samples of PE patients. Functional experiments of loss- or gain-of-function assays also verified that ectopic expression of TUG1 promoted cell proliferation, invasion, and angiogenesis, but negatively regulated cell apoptosis, whereas TUG1 inhibition presented the opposite effects. Furthermore, mechanistic researches revealed that TUG1 could act as a molecular sponge for miR-29b, thus regulating MCL1, VEGFA, and MMP2 to modulate PE development. Conclusions Taken together, our findings demonstrated that TUG1 exerts as a critical role in PE progression, which might furnish a novel therapeutic marker for PE treatment.

miR-449b-5p Inhibits Cell Proliferation and Migration of Breast Cancer via Targeting Flotillin-2

2020 ◽  
Vol 10 (8) ◽  
pp. 1094-1101
Author(s):  
Delin Wu ◽  
Xiaopeng Ma
Keyword(s):  
Breast Cancer ◽  
Cell Proliferation ◽  
Cell Growth ◽  
Breast Carcinoma ◽  
Critical Role ◽  
Ectopic Expression ◽  
Luciferase Reporter ◽  
Cell Growth And Migration ◽  
Cancer Pathogenesis ◽  
And Migration

Background: MicroRNAs (miRNAs) act as a critical role in cancer pathogenesis, while the potential of miR-449b-5p in breast carcinoma remains to be fully inquired. Therefore, we purposed to probe the mechanism governing miR-449b-5p in breast cancer. Methods: Reverse transcription-PCR (RTPCR) was adopted to examine miR-449b-5p expression level in breast carcinoma. The functional experiments were implemented to estimate the role of miR-449b-5p in cell growth and migration. The interplay of miR-449b-5p with FLOT2 was validated with luciferase reporter assay. Results: miR-449b-5p level was markedly lessened in the tissue samples and cell lines of breast carcinoma. Overexpression of miR-449b-5p contributed to suppression of cell growth and migration whereas induced apoptosis in SKBr-3 and MCF-7 cells. Moreover, luciferase reporter experiment suggested that FLOT2 had a negative correlation with miR-449b-5p expression. Functionally, ectopic expression of FLOT2 reversed repressive effects of miR-449b-5p mimic on malignant behaviors of breast carcinoma cells. Conclusion: miR-449b-5p hindered cell proliferation, migration and facilitated cell apoptosis of breast carcinoma through targeting FLOT2. Our findings may offer a potent target for the therapy of breast carcinoma.

scholarly journals MiR-32 Inhibits Proliferation and Metastasis by Targeting EZH2 in Glioma

2019 ◽  
Vol 18 ◽  
pp. 153303381985413 ◽  
Author(s):  
Yuan Zhang ◽  
Jiangang Wang ◽  
Wenzhi An ◽  
Chen Chen ◽  
Wencheng Wang ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Glioma Cell ◽  
Ectopic Expression ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Enhancer Of Zeste ◽  
Glioma Cell Proliferation ◽  
Proliferation And Metastasis ◽  
Underlying Mechanisms

Purpose: Glioma is identified as a broad category of brain and spinal cord tumors. MiR-32 is important in regulating the genesis of different cancers; however, the underlying mechanisms of miR-32 in glioma still largely unknown. This study aimed to elucidate pathobiological functions of miR-32 in glioma and verify its effect on the regulation of enhancer of zeste homolog 2. Methods: The expression of miR-32 and enhancer of zeste homolog 2 was detected by quantitative real-time polymerase chain reaction and Western blot in glioma tissues and cells. Cell Counting Kit-8 (CCK-8) assay was used to examine the effects of miR-32 on human glioma cells proliferation. Transwell assay was used to examine cell metastasis, respectively. Two bioinformatics analysis software and luciferase reporter assay were chosen to confirm targeting association between miR-32 and enhancer of zeste homolog 2. Results: MiR-32 was downregulated in glioma tissues and cells. Furthermore, enhancer of zeste homolog 2 expression was upregulated and negatively correlated with miR-32 in clinical tissues. Ectopic expression of miR-32 inhibited glioma cell proliferation, migration, and invasion. Enhancer of zeste homolog 2 was identified as direct target gene of miR-32 in glioma. Overexpression of enhancer of zeste homolog 2 ablated the inhibitory effects of miR-32. Conclusion: In summary, our finding suggests that miR-32 acts an important role in inhibiting glioma cell proliferation and metastasis and suppresses the expression of ABCC4 by directly targeting its 3′-untranslated region. The miR-32/enhancer of zeste homolog 2 axis may provide new insights to the treatment for glioma.

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

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

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

scholarly journals LncRNA DNM3OS promotes proliferation and inhibits apoptosis through modulating IGF1 expression by sponging MiR-126 in CHON-001 cells

2019 ◽  
Vol 14 (1) ◽  
Author(s):  
Di Ai ◽  
Fang Yu
Keyword(s):  
Cell Proliferation ◽  
Target Genes ◽  
Ectopic Expression ◽  
Underlying Mechanism ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Human Articular Cartilage ◽  
Related Factors ◽  
Mechanistic Investigation

Abstract Background As a degenerative disease, osteoarthritis (OA) greatly affects aged population. The human chondrocyte cell line CHON-001, derived from normal human articular cartilage, has been widely used in vitro in osteoarthritis models. In order to better understand the underlying mechanism of OA pathogenesis, this study was conducted to explore the effects of LncRNA dynamin 3 opposite strand (DNM3OS) on CHON-001 cells. Methods The expression levels of and correlation between DNM3OS and miR-126 that derived from OA and non-OA tissues were determined by quantitative real time (qRT)-PCR and Spearman’s correlation analysis. Cell viability, clone, migration, invasion and apoptosis were respectively determined by cell counting kit-8, colony formation, wound healing assay, transwell and flow cytometry. The target genes were predicted by starbase V2 and targetscan 7.2 and confirmed by luciferase reporter assay. The expressions of apoptosis-related factors were detected by Western blot. Results The expression of DNM3OS was down-regulated in OA patients. Functional assays demonstrated that ectopic expression of DNM3OS promoted the proliferation and inhibited apoptosis of CHON-001 cells, and that knocking down DNM3OS suppressed cell proliferation and induced apoptosis. Mechanistic investigation revealed that DNM3OS physically bound to the promoter of miR-126 and suppressed miR-126 expression. Decreased expression of DNM3OS was negatively correlated with miR-126 in OA patients. Furthermore, the effects of siDNM3OS on inhibiting cell proliferation and promoting apoptosis were partially reversed by miR-126 inhibitor. Meanwhile, type insulin-like growth factor-1 (IGF1) was identified as a target gene for miR-126 and was negatively associated with the miR-126 expression. Overexpressed IGF1 restored the effects of miR-126 mimic in suppressing cell proliferation and promoting apoptosis. Conclusion Our results showed that DNM3OS could affect the CHON-001 cell proliferation and apoptosis by regulating IGF1 by sponging miR-126.

Long non-coding RNA AFAP1-AS1 facilitates prostate cancer progression by regulating miR-15b/IGF1R axis

2021 ◽  
Vol 27 ◽  
Author(s):  
Bo Liu ◽  
Hui-Yang Jiang ◽  
Tao Yuan ◽  
Wei-Dong Zhou ◽  
Zhen-Dong Xiang ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Cell Proliferation ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Pcr Analysis ◽  
Castration Resistant ◽  
Non Coding Rna ◽  
Gene Assay ◽  
Long Non Coding Rna ◽  
Proliferation And Invasion

Background: Prostate cancer (PCa) is a commonly diagnosed malignant cancer and is the second highest cause of cancer related death in men worldwide. Enzalutamide is the second-generation inhibitor of androgen receptor signaling and is the fundamental drug for the treatment of advanced PCa. However, the disease will eventually progress to metastatic castration-resistant prostate cancer (CRPC) and aggressive neuroendocrine prostate cancer (NEPC) because of androgen-deprivation therapy (ADT) resistance. The aim of the study was to investigate the role of long non-coding RNA (lncRNA) AFAP1-AS1 in ADT resistance. Objective: Quantitative real-time PCR analysis (qPCR) was used to assess the expression of AFAP1-AS1 in PCa cell lines and tissues. Cell proliferation and invasion were assessed after AFAP1-AS1 knockdown using Cell Counting Kit (CCK)-8 and Transwell assay, respectively. A dual-luciferase reporter gene assay was carried out to validate the regulatory relationship among AFAP1-AS1, microRNA (miR)-15b, and insulin-like growth factor1 receptor (IGF1R). Results: AFAP1-AS1 level was markedly increased in castration-resistant C4-2 cells and NE-like cells (PC3, DU145, and NCI-H660), compared with androgen-sensitive LNCaP cells. Enzalutamide treatment increased the expression of AFAP1-AS1 in vitro and in vivo. Functionally, AFAP1-AS1 knockdown repressed tumor cell proliferation and invasion. Mechanistically, AFAP1-AS1 functioned as an oncogene in PCa through binding to miR-15b and destroying its tumor suppressor function. Finally, we identified that AFAP1-AS1 up-regulated IGF1R expression by competitively binding to miR-15b to de-repress IGF1R. Conclusion: AFAP1-AS1 facilitates PCa progression by regulating miR-15b/IGF1R axis, indicating that AFAP1-AS1 may serve as a diagnostic biomarker and therapeutic target for PCa.

scholarly journals m(6)A Modification of lncRNA NEAT1 Regulates Chronic Myelocytic Leukemia Progression via miR-766-5p/CDKN1A Axis

2021 ◽  
Vol 11 ◽  
Author(s):  
Fang-Yi Yao ◽  
Cui Zhao ◽  
Fang-Min Zhong ◽  
Ting-Yu Qin ◽  
Fang Wen ◽  
...  
Keyword(s):  
Cell Viability ◽  
Cell Lines ◽  
Mononuclear Cells ◽  
Quantitative Polymerase Chain Reaction ◽  
Critical Role ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Aberrant Expression ◽  
Hematopoietic Stem ◽  
Expression Levels

BackgroundChronic myeloid leukemia (CML) is an acquired hematopoietic stem malignant disease originating from the myeloid system. Long non-coding RNAs (lncRNAs) have been widely explored in cancer tumorigenesis. However, their roles in CML remain largely unclear.MethodsThe peripheral blood mononuclear cells (PBMCs) and CML cell lines (K562, KCL22, MEG01, BV173) were collected for in vitro research. Real-time quantitative polymerase chain reaction was used to determine the mRNA expression levels. Cell viability and apoptosis were analyzed by cell counting kit 8 and flow cytometry assays. The targeting relationships were predicted using Starbase and TargetScan and ulteriorly verified by RNA pull-down and luciferase reporter assays. Western blotting assay was performed to assess the protein expressions. N6-methyladenosine (m6A) modification sites were predicted by SRAMP and confirmed by Methylated RNA immunoprecipitation (MeRIP) assay.ResultsLncRNA nuclear-enriched abundant transcript 1 (NEAT1) expression levels were decreased in the CML cell lines and PBMCs of CML patients. Moreover, METTL3-mediated m6A modification induced the aberrant expression of NEAT1 in CML. Overexpression of NEAT1 inhibited cell viability and promoted the apoptosis of CML cells. Additionally, miR-766-5p was upregulated in CML PBMCs and abrogated the effects of NEAT1 on cell viability and apoptosis of the CML cells. Further, CDKN1A was proved to be the target gene of miR-766-5p and was downregulated in the CML PBMCs. Knockdown of CDKN1A reversed the effects of NEAT1.ConclusionThe current research elucidates a novel METTL3/NEAT1/miR-766-5p/CDKN1A axis which plays a critical role in the progression of CML.

scholarly journals Up-regulation of circ_LARP4 suppresses cell proliferation and migration in ovarian cancer by regulating miR-513b-5p/LARP4 axis

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Wumei Lin ◽  
Haiyan Ye ◽  
Keli You ◽  
Le Chen
Keyword(s):  
Ovarian Cancer ◽  
Cell Proliferation ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Pcr Analysis ◽  
Circular Rnas ◽  
Invasion And Migration ◽  
Cell Proliferation And Migration ◽  
And Migration ◽  
Proliferation And Migration

Abstract Background Ovarian cancer (OC) is a common fatal malignant tumor of female reproductive system worldwide. Growing studies have proofed that circular RNAs (circRNAs) engage in the regulation of various types of cancers. However, the underlying biological functions and effect mechanism of circular RNA_LARP4 (circ_LARP4) in OC have not been explored. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) analysis was used to detect the expression of circ_LARP4 in OC cells. The function of circ_LARP4 was measured by cell counting kit-8 (CCK-8), colony formation assay and transwell assay. RNA immunoprecipitation (RIP) assay and luciferase reporter assays assessed the binding correlation between miR-513b-5p and circ_LARP4 (or LARP4). Results The expression of circ_LARP4 in OC cells was much lower than that in human normal ovarian epithelial cells. Overexpressing circ_LARP4 impaired cell proliferation, invasion and migration abilities. Circ_LARP4 worked as a competing endogenous RNA (ceRNA) to sponge miR-513b-5p. Furthermore, LARP4 was indirectly modulated by circ_LARP4 as the downstream target of miR-513b-5p, as well as the host gene of circ_LARP4. Conclusion Circ_LARP4 could hamper cell proliferation and migration by sponging miR-513b-5p to regulate the expression of LARP4. This research may provide some referential value to OC treatment.

scholarly journals miR-20a-5p/RBM24 Axis Alleviated Hypertensive Intracerebral Hemorrhage via Regulating HIF1α/VEGFA Signaling Pathway

2021 ◽  
Author(s):  
Li Xu ◽  
Chuangqi Mo ◽  
Ming Lu ◽  
Pingping Wang ◽  
Yue Liu
Keyword(s):  
Cell Proliferation ◽  
Intracerebral Hemorrhage ◽  
Signaling Pathway ◽  
Clinicopathological Characteristics ◽  
Tube Formation ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Hypertensive Intracerebral Hemorrhage

Abstract Background: Hypertensive intracerebral hemorrhage presented high incidence and high mortality owing to its difficult to diagnose. However, the molecular mechanism of HICH remains unclear. Therefore, this study aims to investigate the key miRNAs and the mechanism of the key miRNAs in HICH. Methods: miRNAs chip was used to explore the differentially expressed miRNAs in HICH patients. In vitro and in vivo HICH models were established by Ang-II. Cell Counting Kit-8 (CCK8), flow cytometry, transwell assay and tube formation analysis were used to detect cell proliferation, apoptosis, cell migration and tube formation, respectively. Hematoxylin-eosin staining was used to evaluate the intracerebral hemorrhage in vivo HICH model. The regulatory mechanism of miR-20a-5p in HICH was confirmed by dual luciferase reporter assay, immunofluorescence, qRT-PCR, western blot and rescue experiments. Results: miR-20a-5p showed the most downregulated in HICH patients compared with healthy individuals and significantly associated with clinicopathological characteristics of HICH. Upregulation of miR-20a-5p promoted cell proliferation, migration and tube formation while inhibited apoptosis in vitro and ameliorated the development of HICH in vivo. RBM24 is a direct target of miR-20a-5p and silencing RBM24 could partially recovery the development of HICH caused by miR-20a-5p inhibition both in vivo and in vitro. miR-20a-5p regulated the development of HICH depending on HIF1α/VEGFA pathway. Conclusion: Our results demonstrated that miR-20a-5p/RBM24 axis regulated hypertensive intracerebral hemorrhage via regulating HIF1α/VEGFA signaling pathway, in support of further investigation into miR-20a-5p therapies for HICH treatment.

scholarly journals Knockdown of long noncoding RNA HOTAIR inhibits osteoarthritis chondrocyte injury by miR-107/CXCL12 axis

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Jipeng Lu ◽  
Zhongxiong Wu ◽  
Ying Xiong
Keyword(s):  
Cell Proliferation ◽  
Western Blot ◽  
Cell Apoptosis ◽  
Noncoding Rna ◽  
Underlying Mechanism ◽  
Joint Disease ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Cxcl12 Expression ◽  
Ecm Degradation

Abstract Background Osteoarthritis (OA) is a joint disease characterized via destruction of cartilage. Chondrocyte damage is associated with cartilage destruction during OA. Long noncoding RNAs (lncRNAs) are implicated in the regulation of chondrocyte damage in OA progression. This study aims to investigate the role and underlying mechanism of lncRNA homeobox antisense intergenic RNA (HOTAIR) in OA chondrocyte injury. Methods Twenty-three OA patients and healthy controls without OA were recruited. Chondrocytes were isolated from OA cartilage tissues. HOTAIR, microRNA-107 (miR-107) and C-X-C motif chemokine ligand 12 (CXCL12) levels were measured by quantitative real-time polymerase chain reaction and western blot. Cell proliferation, apoptosis and extracellular matrix (ECM) degradation were measured using cell counting kit-8, flow cytometry and western blot. The target interaction was explored by bioinformatics, luciferase reporter and RNA immunoprecipitation assays. Results HOTAIR expression was enhanced, and miR-107 level was reduced in OA cartilage samples. HOTAIR overexpression inhibited cell proliferation, but induced cell apoptosis and ECM degradation in chondrocytes. HOTAIR knockdown caused an opposite effect. MiR-107 was sponged and inhibited via HOTAIR, and knockdown of miR-107 mitigated the effect of HOTAIR silence on chondrocyte injury. CXCL12 was targeted by miR-107. CXCL12 overexpression attenuated the roles of miR-107 overexpression or HOTAIR knockdown in the proliferation, apoptosis and ECM degradation. CXCL12 expression was decreased by HOTAIR silence, and restored by knockdown of miR-107. Conclusion HOTAIR knockdown promoted chondrocyte proliferation, but inhibited cell apoptosis and ECM degradation in OA chondrocytes by regulating the miR-107/CXCL12 axis.

scholarly journals KLF7/VPS35 axis contributes to hepatocellular carcinoma progression through CCDC85C-activated β-catenin pathway

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yarong Guo ◽  
Bao Chai ◽  
Junmei Jia ◽  
Mudan Yang ◽  
Yanjun Li ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Cell Proliferation ◽  
Tumor Growth ◽  
Luciferase Reporter ◽  
Aberrant Expression ◽  
Proliferation And Invasion ◽  
Hcc Cells

Abstract Objective Dysregulation of KLF7 participates in the development of various cancers, but it is unclear whether there is a link between HCC and aberrant expression of KLF7. The aim of this study was to investigate the role of KLF7 in proliferation and migration of hepatocellular carcinoma (HCC) cells. Methods CCK8, colony growth, transwell, cell cycle analysis and apoptosis detection were performed to explore the effect of KLF7, VPS35 and Ccdc85c on cell function in vitro. Xenografted tumor growth was used to assess in vivo role of KLF7. Chip-qPCR and luciferase reporter assays were applied to check whether KLF7 regulated VPS35 at transcriptional manner. Co-IP assay was performed to detect the interaction between VPS35 and Ccdc85c. Immunohistochemical staining and qRT-PCR analysis were performed in human HCC sampels to study the clinical significance of KLF7, VPS35 and β-catenin. Results Firstly, KLF7 was highly expressed in human HCC samples and correlated with patients’ differentiation and metastasis status. KLF7 overexpression contributed to cell proliferation and invasion of HCC cells in vitro and in vivo. KLF7 transcriptional activation of VPS35 was necessary for HCC tumor growth and metastasis. Further, co-IP studies revealed that VPS35 could interact with Ccdc85c in HCC cells. Rescue assay confirmed that overexpression of VPS35 and knockdown of Ccdc85c abolished the VPS35-medicated promotion effect on cell proliferation and invasion. Finally, KLF7/VPS35 axis regulated Ccdc85c, which involved in activation of β-catenin signaling pathway, confirmed using β-catenin inhibitor, GK974. Functional studies suggested that downregulation of Ccdc85c partly reversed the capacity of cell proliferation and invasion in HCC cells, which was regulated by VPS35 upregulation. Lastly, there was a positive correlation among KLF7, VPS35 and active-β-catenin in human HCC patients. Conclusion We demonstrated that KLF7/VPS35 axis promoted HCC cell progression by activating Ccdc85c-medicated β-catenin pathway. Targeting this signal axis might be a potential treatment strategy for HCC.

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