scholarly journals LncRNA MT1JP plays a protective role in intrahepatic cholangiocarcinoma by regulating miR-18a-5p/FBP1 axis

BMC Cancer ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Wei Zhao ◽  
Jing Zhao ◽  
Xiao Guo ◽  
Yujie Feng ◽  
Bingyuan Zhang ◽  
...  
Keyword(s):  
Cell Cycle ◽  
Real Time ◽  
Nude Mice ◽  
Intrahepatic Cholangiocarcinoma ◽  
Real Time Pcr ◽  
Protective Role ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Cell Cycle Transition ◽  
Induced Apoptosis

Abstract Background Cholangiocarcinoma is a common malignant tumor of digestive system. LncRNA metallothionein 1 J, pseudogene (MT1JP) has been reported to play tumor-suppressing roles in multiple cancers. However, its effect on cholangiocarcinoma has not been evaluated. Methods The expression of MT1JP in intrahepatic cholangiocarcinoma specimens and paired para-carcinoma tissues were detected by real-time PCR. The overexpression plasmid and siRNA of MT1JP were transfected into intrahepatic cholangiocarcinoma cells to change the expression levels of MT1JP. CCK-8, flow cytometry and transwell assays were performed to measure proliferation, cell cycle transition, apoptosis, migration and invasion. Dual-luciferase reporter assay, real-time PCR and western blot were carried out to screen the miRNA bound by MT1JP. In addition, xenograft experiment was used to determine the tumorigenesis of cholangiocarcinoma cells in nude mice. Results MT1JP was downregulated in intrahepatic cholangiocarcinoma specimens, and its expression was related with TNM stage and lymph node metastasis. Overexpression of MT1JP inhibited proliferation, cell cycle transition, migration and invasion, and induced apoptosis in intrahepatic cholangiocarcinoma cells. The knockdown of MT1JP led to opposite results. MT1JP bound to miR-18a-5p to facilitate the expression of fructose-1,6-bisphosphatase 1 (FBP1). MiR-18a-5p was increased in intrahepatic cholangiocarcinoma samples, and its expression was negatively correlated with that of MT1JP. In addition, MT1JP also suppressed tumorigenesis in nude mice. Conclusions MT1JP alleviated proliferation, migration and invasion, and induced apoptosis in cholangiocarcinoma cells by regulating miR-18a-5p/FBP1 axis. These findings may provide novel insights for clinical diagnosis and treatment of cholangiocarcinoma.

scholarly journals LncRNA MT1JP plays a protective role in intrahepatic cholangiocarcinoma by regulating miR-18a-5p/FBP1 axis

2021 ◽  
Author(s):  
Wei Zhao ◽  
Jing Zhao ◽  
Xiao Guo ◽  
Yujie Feng ◽  
Bingyuan Zhang ◽  
...  
Keyword(s):  
Cell Cycle ◽  
Real Time ◽  
Nude Mice ◽  
Intrahepatic Cholangiocarcinoma ◽  
Real Time Pcr ◽  
Protective Role ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Cell Cycle Transition ◽  
Induced Apoptosis

Abstract Background: Cholangiocarcinoma is a common malignant tumor of digestive system. LncRNA metallothionein 1J, pseudogene (MT1JP) has been reported to play tumor-suppressing roles in multiple cancers. However, its effect on cholangiocarcinoma has not been evaluated. Methods: The expression of MT1JP in intrahepatic cholangiocarcinoma specimens and paired para-carcinoma tissues were detected by real-time PCR. The overexpression plasmid and siRNA of MT1JP were transfected into intrahepatic cholangiocarcinoma cells to change the expression levels of MT1JP. CCK-8, flow cytometry and transwell assays were performed to measure proliferation, cell cycle transition, apoptosis, migration and invasion. Dual-luciferase reporter assay, real-time PCR and western blot were carried out to screen the miRNA bound by MT1JP. In addition, xneograft experiment was used to determine the tumorigenesis of cholangiocarcinoma cells in nude mice. Results: MT1JP was downregulated in intrahepatic cholangiocarcinoma specimens, and its expression was related with TNM stage and lymph node metastasis. Overexpression of MT1JP inhibited proliferation, cell cycle transition, migration and invasion, and induced apoptosis in intrahepatic cholangiocarcinoma cells. The knockdown of MT1JP led to opposite results. MT1JP bound to miR-18a-5p to facilitate the expression of fructose-1,6-bisphosphatase 1 (FBP1). MiR-18a-5p was increased in intrahepatic cholangiocarcinoma samples, and its expression was negatively correlated with that of MT1JP. In addition, MT1JP also suppressed tumorigenesis in nude mice. Conclusions: MT1JP alleviated proliferation, migration and invasion, and induced apoptosis in cholangiocarcinoma cells by regulating miR-18a-5p/FBP1 axis. These findings may provide novel insights for clinical diagnosis and treatment of cholangiocarcinoma.

scholarly journals LncRNA MT1JP Plays a Protective Role in Cholangiocarcinoma by Regulating miR-18a-5p/FBP1 Axie

2020 ◽  
Author(s):  
Wei Zhao ◽  
Jing Zhao ◽  
Xiao Guo ◽  
Yujie Feng ◽  
Bingyuan Zhang ◽  
...  
Keyword(s):  
Cell Cycle ◽  
Real Time ◽  
Real Time Pcr ◽  
Protective Role ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Fructose 1,6 Bisphosphatase ◽  
Cell Cycle Transition ◽  
Induced Apoptosis ◽  
Dual Luciferase Reporter Assay

Abstract Background: Cholangiocarcinoma is a common malignant tumor of digestive system. LncRNA MT1JP has been reported to play tumor-suppressing roles in multiple cancers. However, the effect of MT1JP on cholangiocarcinoma has not been evaluated. Methods: The expression of MT1JP in cholangiocarcinoma specimens and paired para-carcinoma tissues were detected by real-time PCR. The overexpression plasmid and siRNA of MT1JP were transfected into cholangiocarcinoma cells to change the expression levels of MT1JP. CCK-8, flow cytometry and transwell assays were performed to measure proliferation, cell cycle transition, apoptosis, migration and invasion in cholangiocarcinoma cells. Dual-luciferase reporter assay, real-time PCR and western blot were carried out to screen the miRNA bound by MT1JP. In addition, xneograft experiment was used to determine the tumorigenesis of cholangiocarcinoma cells in nude. Results: MT1JP was downregulated in cholangiocarcinoma specimens, compared with para-carcinoma tissues, and its expression was related with tumor size, TNM stage and lymph node metastasis. Overexpression of MT1JP inhibited proliferation, cell cycle transition, migration and invasion, and induced apoptosis in cholangiocarcinoma cells. The knockdown of MT1JP led to opposite results. MT1JP bound to miR-18a-5p to facilitate the expression of fructose-1,6-bisphosphatase 1 (FBP1). MiR-18a-5p was increased in cholangiocarcinoma samples, and its expression was negatively correlated with that of MT1JP. In addition, MT1JP also suppressed tumorigenesis in nude mice. Conclusions: MT1JP alleviated proliferation, migration and invasion, and induced apoptosis in cholangiocarcinoma cells by regulating miR-18a-5p/FBP1 axie. These findings may provide novel insights for diagnosis and treatment of cholangiocarcinoma in clinic.

SRY-Box Transcription Factor 9 (SOX9) Affects the Proliferation, Invasion and Epithelial to Mesenchymal Transition (EMT) of Intrahepatic Cholangiocarcinoma by Regulating Transforming Growth Factor β (TGFβ)/Smad Signaling

2021 ◽  
Vol 11 (10) ◽  
pp. 1891-1899
Author(s):  
Ling Dai ◽  
Yuqing Lu ◽  
Lu Jiang ◽  
Liping Zhu ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Cell Migration ◽  
Western Blot ◽  
Real Time ◽  
Intrahepatic Cholangiocarcinoma ◽  
Real Time Pcr ◽  
Migration And Invasion ◽  
Sox9 Expression ◽  
Smad Signaling ◽  
Tumor Tissues ◽  
E Cadherin

Intrahepatic cholangiocarcinoma (ICC) develops rapidly with a high malignancy. SOX9 expression is increased in several tumors. However, its expression and role in intrahepatic cholangiocarcinoma have not yet been elucidated. Real time PCR and Western blot were done to assess SOX9 expression in tumor tissues and adjacent tissues of ICC. ICC cell line QBC939 cells were separated into control group, SOX9 overexpression group and SOX9 siRNA group followed by analysis of cell survival by MTT assay, cell migration by cell scratch assay, cell invasion by transwell chamber, E-cadherin and Vimentin level by western blot, TGFβ/Smad signaling protein level by real time PCR. SOX9 level in tumor tissues was significantly increased compared to adjacent tissues (P < 0.05) and it was associated with TNM stage, tissue type and metastasis, and survival time (P < 0.05). Transfection of pcDNA3.1-SOX9 upregulated SOX9, promoted cell proliferation, migration and invasion, downregulated E-cadherin, upregulated Vimentin, TGF-β1 and Smad4 (P < 0.05). SOX9 siRNA transfection into QBC939 cells could significantly reverse the above mentioned changes (P < 0.05). SOX9 level is increased in intrahepatic cholangiocarcinoma and targeting SOX9 can inhibit cell migration and invasion, and EMT via regulating TGFβ/Smad signaling.

scholarly journals LncRNA CRNDE acts as an oncogene in cervical cancer through sponging miR-183 to regulate CCNB1 expression

2019 ◽  
Vol 41 (1) ◽  
pp. 111-121 ◽  
Author(s):  
Xiaoxia Bai ◽  
Wendong Wang ◽  
Peng Zhao ◽  
Jie Wen ◽  
Xuedong Guo ◽  
...  
Keyword(s):  
Cervical Cancer ◽  
Real Time ◽  
Real Time Pcr ◽  
Colorectal Neoplasia ◽  
Cyclin B1 ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Diagnostic Strategy ◽  
Quantitative Real Time Pcr

Abstract Studies have identified a series of lncRNAs that contributed to various tumors, although the underlying mechanisms remain largely unclear. We proposed a ceRNA network and investigate relations among lncRNA/miRNA/mRNA in cervical cancer (CC). The genes of differential expression and lncRNA/miRNA/mRNA network were identified by combining TCGA, miRcode, starBase, miRTarBase, miRDB, TargetScan and STRING databases. Meanwhile, the function enrichment was recognized with Gene Ontology and Kyoto Encyclopedia of Genes and Genomes. Quantitative real time-PCR (qRT-PCR) was performed to determine colorectal neoplasia differentially expressed (CRNDE) expression in CC tissues and cell lines. The effects of CRNDE on the CC biological functions and cyclin B1 (CCNB1) expression were detected by conducting in vitro and in vivo experiments. Quantitative real time-PCR, western blot and dual-luciferase reporter assay were used to predict the target of miR-183. Furthermore, rescue experiments were conducted to further confirm the regulation of CCNB1 by CRNDE. Systematic analyses of bioinformatics from several databases predicted that CRNDE, miR-183 and CCNB1 were in the same network path. Their expressions were up-regulated in CC tissues and cells. Silencing CRNDE-inhibited cell proliferation, migration and invasion, restricted solid tumor growth and promoted cell apoptosis. Moreover, our results suggested that miR-183 targeted the CCNB1 3′UTR and regulated its expression. Additionally, miR-183 mimic could inverse the antitumor function of CRNDE inhibition and partially eliminated the attenuated expression of CCNB1 induced by silencing CRNDE, indicating that CRNDE could positively regulate CCNB1 expression by sponging miR-183. Our study highlighted a role for the CRNDE/miR-183/CCNB1-axis in CC and offered a promising diagnostic strategy for CC treatment.

scholarly journals circHUWE1 Exerts an Oncogenic Role in Inducing DDP-Resistant NSCLC Progression Depending on the Regulation of miR-34a-5p/TNFAIP8

2021 ◽  
Vol 2021 ◽  
pp. 1-20
Author(s):  
Xueliang Yang ◽  
Quan Sun ◽  
Yongming Song ◽  
Wenli Li
Keyword(s):  
Cell Cycle ◽  
Molecular Mechanisms ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Circular Rnas ◽  
Cell Cycle Distribution ◽  
Necrosis Factor Alpha ◽  
Induced Apoptosis

Background. Circular RNAs (circRNAs) are reported as competing endogenous RNAs (ceRNAs) and play key roles in non-small-cell lung cancer (NSCLC) progression. Thus, this study was aimed at clarifying underlying molecular mechanisms of circHUWE1 in NSCLC. Methods. The quantitative real-time polymerase chain reaction (RT-qPCR) and western blot analyses were used for examining circHUWE1, microRNA-34a-5p (miR-34a-5p), and tumor necrosis factor alpha-induced protein 8 (TNFAIP8). IC50 of cisplatin (DDP) in A549/DDP and H1299/DDP cells and cell viability were analyzed by the Cell Counting Kit 8 (CCK-8) assay. Colony forming assay was performed to assess colony forming ability. Cell apoptosis and cell cycle distribution were determined by flow cytometry. Migrated and invaded cell numbers were examined by transwell assay. The association among circHUWE1, miR-34a-5p, and TNFAIP8 was analyzed by dual-luciferase reporter and RNA immunoprecipitation assays. A xenograft experiment was applied to clarify the functional role of circHUWE1 in vivo. Results. circHUWE1 was upregulated in NSCLC tissues and cells, especially in DDP-resistant groups. circHUWE1 downregulation inhibited DDP resistance, proliferation, migration, and invasion while it induced apoptosis and cell cycle arrest of DDP-resistant NSCLC cells, which was overturned by silencing of miR-34a-5p. TNFAIP8 was a functional gene of miR-34a-5p, and the suppressive effects of miR-34a-5p overexpression on DDP-resistant NSCLC progression were dependent on the suppression of TNFAIP8. circHUWE1 inhibition also delayed tumor growth of DDP-resistant NSCLC cells. Conclusion. circHUWE1 functioned as a promoter in DDP-resistant NSCLC by interaction with miR-34a-5p-TNFAIP8 networks, providing novel insight into DDP-resistant NSCLC diagnosis and treatment.

scholarly journals MicroRNA-296-5p inhibits cell metastasis and invasion in nasopharyngeal carcinoma by reversing transforming growth factor-β-induced epithelial–mesenchymal transition

2020 ◽  
Vol 25 (1) ◽  
Author(s):  
Meihui Chen ◽  
Chen Chen ◽  
Haiqing Luo ◽  
Jing Ren ◽  
Qiuqin Dai ◽  
...  
Keyword(s):  
Nasopharyngeal Carcinoma ◽  
Real Time ◽  
Real Time Pcr ◽  
Transforming Growth Factor ◽  
Epithelial Mesenchymal Transition ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Cell Metastasis

Abstract Aim To explore the effect of miR-296-5p on the metastasis of nasopharyngeal carcinoma (NPC) cells and investigate the underlying mechanism. Methods The expressions of miR-296-5p in NPC tissues and cells were determined using GSE32920 database analysis and real-time PCR and miRNA microarray assays. An miR-296-5p mimic and inhibitor were transfected into NPC cells. Then, immunofluorescence imaging, scratch wound-healing, transwell migration and invasion assays were used to observe the effects of miR-296-5p on cell metastasis and invasion. Real-time PCR and western blotting were carried out to detect the expressions of genes and proteins related to epithelial–mesenchymal transition (EMT). A dual luciferase reporter assay was used to identify whether TGF-β is the target gene of miR-296-5p. Finally, TGF-β expression plasmids were transfected into NPC cells to verify the role of TGF-β in the miR-296-5p-mediated inhibition of nasopharyngeal carcinoma cell metastasis. Results Our results show that miR-296-5p inhibits the migratory and invasive capacities of NPC cells by targeting TGF-β, which suppresses EMT. Importantly, the miR-296-5p level was significantly lower in human NPC tissues than in adjacent normal tissues. It also negatively correlated with TGF-β and was significantly associated with the lymph node metastasis of patients with NPC. Conclusions Our findings show that miR-296-5p represses the EMT-related metastasis of NPC by targeting TGF-β. This provides new insight into the role of miR-296-5p in regulating NPC metastasis and invasiveness.

MiR-144-3p Inhibits BMSC Proliferation and Osteogenic Differentiation Via Targeting FZD4 in Steroid-Associated Osteonecrosis

2020 ◽  
Vol 25 (45) ◽  
pp. 4806-4812 ◽  
Author(s):  
Zhibo Sun ◽  
Fei Wu ◽  
Yue Yang ◽  
Feng Liu ◽  
Fengbo Mo ◽  
...  
Keyword(s):  
Real Time ◽  
Real Time Pcr ◽  
Nuclear Translocation ◽  
Bone Diseases ◽  
Luciferase Reporter ◽  
Reporter Assay ◽  
Alizarin Red ◽  
Over Expression ◽  
Negative Effect ◽  
Proliferation Ability

Background: MicroRNAs have recently been recognized to be engaged in the development of bone diseases. Objective: This study was performed to elucidate the effects of miR-144-3p on proliferation and osteogenesis of mesenchymal stem cells (MSCs) from the patients with steroid-associated osteonecrosis (ONFH) and its related mechanism. Method: The expression level of miR-144-3p in the MSCs from the proximal femur of the patients was examined by Real-time PCR. The cell proliferation ability was assayed by MTT. The differentiation ability of MSCs was assayed by Alizarin Red S (ARS) staining. The interaction between miR-144-3p and frizzled4 (FZD4) was investigated by Real-time PCR, western blot and luciferase reporter assay. Results: ONFH samples had the obviously high expression of miR-144-3p compared to the control. MiR-144-3p had a negative effect on the proliferation and osteogenesis of MSCs. Via targeting FZD4, miR-144-3p decreased β-catenin nuclear translocation, the transcription of RUNX2 and COL1A1. Over-expression of FZD4 partially reversed miR-144-3p-induced decrease in the proliferation and osteogenesis of MSCs. Conclusion: MiR-144-3p might play an important role in the development of ONFH and might be used as a novel class of therapeutic targets for this disease.

RPS24c Isoform Facilitates Tumor Angiogenesis Via Promoting the Stability of MVIH in Colorectal Cancer

2020 ◽  
Vol 20 (5) ◽  
pp. 388-395 ◽  
Author(s):  
Yue Wang ◽  
Youjun Wu ◽  
Kun Xiao ◽  
Yingjie Zhao ◽  
Gang Lv ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Ribosomal Protein ◽  
Real Time ◽  
Tumor Angiogenesis ◽  
Real Time Pcr ◽  
Molecular Mechanisms ◽  
Migration And Invasion ◽  
Binding Interaction ◽  
Tubule Formation ◽  
The Stability

Background: Colorectal cancer (CRC) is the second leading cause of death worldwide, and distant metastasis is responsible for the poor prognosis in patients with advanced-stage CRC. RPS24 (ribosomal protein S24) as a ribosomal protein, multiple transcript variant encoding different isoforms have been found for this gene. Our previous studies have demonstrated that RPS24 is overexpressed in CRC. However, the mechanisms underlying the role of RPS24 in tumor development have not been fully defined. Methods: Expression of RPS24 isoforms and lncRNA MVIH in CRC tissues and cell lines were quantified by real-time PCR or western blotting assay. Endothelial tube formation assay was performed to determine the effect of RPS24 on tumor angiogenesis. The cell viability of HUVEC was determined by MTT assay, and the migration and invasion ability of HUVEC were detected by transwell assay. PGK1 secretion was tested with a specific ELISA kit. Results: Here, we found that RPS24c isoform was a major contributor to tumor angiogenesis, a vital process in tumor growth and metastasis. Real-time PCR revealed that RPS24c isoform was highly expressed in CRC tissues, while other isoforms are present in both normal and CRC tissues with no statistical difference. Moreover the change of RPS24 protein level is mainly due to the fluctuation of RPS24c. Furthermore, we observed that silencing RPS24c could decrease angiogenesis by inhibiting tubule formation, HUVEC cell proliferation and migration. Additionally, we investigated the molecular mechanisms and demonstrated that RPS24c mRNA interacted with lncRNA MVIH, the binding-interaction enhanced the stability of each other, thereby activated angiogenesis by inhibiting the secretion of PGK1. Conclusion: RPS24c facilitates tumor angiogenesis via the RPS24c/MVIH/PGK1 pathway in CRC. RPS24c inhibition may be a novel option for anti-vascular treatment in CRC.

scholarly journals Propofol suppresses cell viability, cell cycle progression and motility and induces cell apoptosis of ovarian cancer cells through suppressing MEK/ERK signaling via targeting circVPS13C/miR-145 axis

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Huan Lu ◽  
Guanlin Zheng ◽  
Xiang Gao ◽  
Chanjuan Chen ◽  
Min Zhou ◽  
...  
Keyword(s):  
Cell Cycle ◽  
Ovarian Cancer ◽  
Cancer Cells ◽  
Rna Binding ◽  
Erk Signaling ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Ovarian Cancer Cells ◽  
Dependent Manner ◽  
Vacuolar Protein

Abstract Background Propofol is a kind of common intravenous anaesthetic agent that plays an anti-tumor role in a variety of cancers, including ovarian cancer. However, the working mechanism of Propofol in ovarian cancer needs further exploration. Methods The viability and metastasis of ovarian cancer cells were assessed by 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and transwell assays. Flow cytometry was used to evaluate the cell cycle and apoptosis. Quantitative real-time polymerase chain reaction (qRT-PCR) was used to examine the abundance of circular RNA vacuolar protein sorting 13 homolog C (circVPS13C) and microRNA-145 (miR-145). The target relationship between miR-145 and circVPS13C was predicted by circinteractome database and verified by dual-luciferase reporter assay, RNA-binding protein immunoprecipitation (RIP) assay and RNA-pull down assay. Western blot assay was used to detect the levels of phosphorylated extracellular regulated MAP kinase (p-ERK), ERK, p-MAP kinse-ERK kinase (p-MEK) and MEK, in ovarian cancer cells. Results Propofol treatment suppressed the viability, cell cycle and motility and elevated the apoptosis rate of ovarian cancer cells. Propofol up-regulated miR-145 in a dose-dependent manner. Propofol exerted an anti-tumor role partly through up-regulating miR-145. MiR-145 was a direct target of circVPS13C. Propofol suppressed the progression of ovarian cancer through up-regulating miR-145 via suppressing circVPS13C. Propofol functioned through circVPS13C/miR-145/MEK/ERK signaling in ovarian cancer cells. Conclusion Propofol suppressed the proliferation, cell cycle, migration and invasion and induced the apoptosis of ovarian cancer cells through circVPS13C/miR-145/MEK/ERK signaling in vitro.

scholarly journals The role of microRNA-572 in the proliferation and chemotherapeutic treatment of prostate cancer

2021 ◽  
Vol 49 (5) ◽  
pp. 030006052110143
Author(s):  
Mingcui Zang ◽  
Xun Guo ◽  
Manqiu Chen
Keyword(s):  
Prostate Cancer ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Prostate Tumorigenesis ◽  
Expression Levels ◽  
Matrigel Invasion ◽  
Tensin Homolog ◽  
Docetaxel Treatment ◽  
Induced Apoptosis

Objective MicroRNAs (miRNAs) regulate prostate tumorigenesis and progression by involving different molecular pathways. In this study, we examined the role of miR-572 in prostate cancer (PCa). Methods The proliferation rates of LNCaP and PC-3 PCa cells were studied using MTT assays. Transwell migration and Matrigel invasion assays were performed to evaluate cell migration and invasion, respectively. Protein expression levels were examined using western blotting. Docetaxel-induced apoptosis was evaluated by Caspase-Glo3/7 assays. The putative miR-572 binding site in the phosphatase and tensin homolog (PTEN) 3ʹ untranslated region (3ʹ UTR) was assessed with dual-luciferase reporter assays. Additionally, miR-572 expression levels in human PCa tissues were examined by qRT-PCR assays. Results Upregulation of miR-572 promoted proliferation, migration, and invasion of PCa cells. Overexpression of miR-572 decreased sensitivity of PCa cells to docetaxel treatment by reducing docetaxel-induced apoptosis. MiR-572 can regulate migration and invasion in PCa cells. Furthermore, miR-572 could regulate expression of PTEN and p-AKT in PCa cells by directly binding to the PTEN 3ʹ UTR. MiR-572 expression levels were increased in human PCa tissues and associated with PCa stage. Conclusions miR-572 displayed essential roles in PCa tumor growth and its expression level may be used to predict docetaxel treatment in these tumors.

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