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Yin YT, Shi L, Wu C, Zhang MY, Li JX, Zhou YF, Wang SC, Wang HY, Mai SJ. TRIM29 modulates proteins involved in PTEN/AKT/mTOR and JAK2/STAT3 signaling pathway and suppresses the progression of hepatocellular carcinoma. Med Oncol 2024; 41:79. [PMID: 38393440 DOI: 10.1007/s12032-024-02307-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/17/2024] [Indexed: 02/25/2024]
Abstract
Tripartite motif-containing 29 (TRIM29), also known as the ataxia telangiectasia group D-complementing (ATDC) gene, has been reported to play an oncogenic or tumor suppressive role in developing different tumors. So far, its expression and biological functions in hepatocellular carcinoma (HCC) remain unclear. We investigated TRIM29 expression pattern in human HCC samples using quantitative RT-PCR and immunohistochemistry. Relationships between TRIM29 expression level, clinical prognostic indicators, overall survival (OS), and disease-free survival (DFS) were evaluated by Kaplan-Meier analysis and Cox proportional hazards model. A series of in vitro experiments and a xenograft tumor model were conducted to detect the functions of TRIM29 in HCC cells. RNA sequencing, western blotting, and immunochemical staining were performed to assess the molecular regulation of TRIM29 in HCC. We found that the mRNA and protein levels of TRIM29 were significantly reduced in HCC samples, compared with adjacent noncancerous tissues, and were negatively correlated with poor differentiation of HCC tissues. Survival analysis confirmed that lower TRIM29 expression significantly correlated with shorter OS and DFS of HCC patients. TRIM29 overexpression remarkably inhibited cell proliferation, migration, and EMT in HCC cells, whereas knockdown of TRIM29 reversed these effects. Moreover, deactivation of the PTEN/AKT/mTOR and JAK2/STAT3 pathways might be involved in the tumor suppressive role of TRIM29 in HCC. Our findings indicate that TRIM29 in HCC exerts its tumor suppressive effects through inhibition of the PTEN/AKT/mTOR and JAK2/STAT3 signaling pathways and may be used as a potential biomarker for survival in patients with HCC.
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Affiliation(s)
- Yu-Ting Yin
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Lu Shi
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Chun Wu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Mei-Yin Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Jia-Xin Li
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Yu-Feng Zhou
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Shuo-Cheng Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Hui-Yun Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China.
| | - Shi-Juan Mai
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, People's Republic of China.
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Zeng X, Liu MH, Xiong Y, Zheng LX, Guo KE, Zhao HM, Yin YT, Liu DY, Zhou BG. Pien Tze Huang alleviates Concanavalin A-induced autoimmune hepatitis by regulating intestinal microbiota and memory regulatory T cells. World J Gastroenterol 2023; 29:5988-6016. [PMID: 38130997 PMCID: PMC10731150 DOI: 10.3748/wjg.v29.i45.5988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 09/26/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND Traditional Chinese medicine has used the drug Pien Tze Huang (PTH), a classic prescription, to treat autoimmune hepatitis (AIH). However, the precise mode of action is still unknown. AIM To investigate the mechanism of PTH in an AIH mouse model by determining the changes in gut microbiota structure and memory regulatory T (mTreg) cells functional levels. METHODS Following induction of the AIH mouse model induced by Concanavalin A (Con A), prophylactic administration of PTH was given for 10 d. The levels of mTreg cells were measured by flow cytometry, and intestinal microbiota was analyzed by 16S rRNA analysis, while western blotting was used to identify activation of the toll-like receptor (TLR)2, TLR4/nuclear factor-κB (NF-κB), and CXCL16/CXCR6 signaling pathways. RESULTS In the liver of mice with AIH, PTH relieved the pathological damage and reduced the numbers of T helper type 17 cells and interferon-γ, tumor necrosis factor-alpha, interleukin (IL)-1β, IL-2, IL-6, and IL-21 expression. Simultaneously, PTH stimulated the abundance of helpful bacteria, promoted activation of the TLR2 signal, which may enhance Treg/mTreg cells quantity to produce IL-10, and suppressed activation of the TLR4/NF-κB and CXCL16/CXCR6 signaling pathways. CONCLUSION PTH regulates intestinal microbiota balance and restores mTreg cells to alleviate experimental AIH, which is closely related to the TLR/CXCL16/CXCR6/NF-κB signaling pathway.
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Affiliation(s)
- Xin Zeng
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Miao-Hua Liu
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Yi Xiong
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Lin-Xin Zheng
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Kai-En Guo
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Hai-Mei Zhao
- College of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Yu-Ting Yin
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Duan-Yong Liu
- Formula-Pattern Research Center, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
| | - Bu-Gao Zhou
- Office of Academic Research, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China
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Guo CS, Su XL, Yin YT, Zhang BX, Liu XY, Wang RP, Chen P, Feng HT, Tang BZ. Mechanical Force-Induced Blue-Shifted and Enhanced Emission for AIEgens. Biosensors (Basel) 2022; 12:1055. [PMID: 36421173 PMCID: PMC9688405 DOI: 10.3390/bios12111055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/10/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
Mechanochromic (MC) luminescence of organic molecules has been emerging as a promising smart material for optical recording and memory devices. At the same time, pressure-induced blue-shifted and enhanced luminescence are rarely reported now. Herein, a series of cyanostilbene-based AIEgens with different substituents were synthesized to evaluate the influence of morphology transformation and push-pull electronic effect on the MC luminescence. Among these luminophores, compound 1 with one cyano group and diethylamino group was more susceptible to mechanical stimuli and obtained blue-shifted and enhanced fluorescence in response to anisotropic grinding. Powder X-ray diffraction patterns indicated that the MC behaviors were ascribed to the solid-state morphology transition from crystal-to-crystal. Analysis of crystal structures revealed that loose molecular packing is a key factor for high high-contrast MC luminescence. The smart molecular design, together with the excellent performance, verified that luminophores with twisted structures are ideal candidates for MC luminogens.
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Affiliation(s)
- Chang-Sheng Guo
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Xiao-Long Su
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Yu-Ting Yin
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Bo-Xuan Zhang
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Xin-Yi Liu
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Rui-Peng Wang
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Pu Chen
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Hai-Tao Feng
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Ben-Zhong Tang
- School of Science and Engineering, Shenzhen Institute of Molecular Aggregate Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, China
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Liu LL, Chen XX, Yin YT, Ouyang HF, Guan YM, Zhu WF, Chen LH. [Pharmacokinetic behavior and brain tissue distribution of paeoniflorin combined with normal and toxic doses of strychnine in rats after percutaneous administration]. Zhongguo Zhong Yao Za Zhi 2022; 47:1064-1072. [PMID: 35285207 DOI: 10.19540/j.cnki.cjcmm.20211102.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This study aims to establish a rapid and sensitive UPLC-MS/MS method for simultaneously determining the content of strychnine and paeoniflorin in plasma and brain tissue of rats, and compare the pharmacokinetic behavior and brain tissue distribution of paeoniflorin combined with normal and toxic doses of strychnine in rats after percutaneous administration. Compared with those in the toxic-dose strychnine group, the AUC_(0-t), AUC_(0-∞), and C_(max) of strychnine decreased by 51.51%, 45.68%, and 46.03%, respectively(P<0.01), and the corresponding values of paeoniflorin increased by 91.41%, 102.31%, and 169.32%, respectively(P<0.01), in the compatibility group. Compared with the normal-dose strychnine group, the compatibility group showed insignificantly decreased C_(max), AUC_(0-t), and AUC_(0-∞) of strychnine, increased C_(max) and T_(max) of paeoniflorin(P<0.01), 66.88% increase in AUC_(0-t), and 70.55% increase in AUC_(0-∞) of paeoniflorin. In addition, the brain tissue concentration of strychnine decreased and that of paeoniflorin increased after compatibility. The combination of paeoniflorin with normal dose and toxic dose of strychnine can inhibit the percutaneous absorption of strychnine, and greatly promote the percutaneous penetration of paeoniflorin, whereas the interaction mechanism remains to be explored. The UPLC-MS/MS method established in this study is easy to operate and has good precision. It is suitable for in vivo study of pharmacokinetic behavior and brain tissue distribution of paeoniflorin and strychnine after percutaneous administration in rats, which provides reference for the safe and rational clinical use of strychnine and the combined use of drugs, and lays a solid foundation for the development of external preparations containing Strychni Semen.
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Affiliation(s)
- Li-Li Liu
- Advanced Research Institute, Jiangxi University of Chinese Medicine Nanchang 330004, China Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Xie-Xie Chen
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Yu-Ting Yin
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Hui-Fa Ouyang
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Yong-Mei Guan
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Wei-Feng Zhu
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Li-Hua Chen
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine Nanchang 330004, China
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Chen M, Qi C, Yin YT, Lv P, Xiang S, Tian J, Feng Zhao J, Feng HT, Tang BZ. Enantioselective determination of chiral acids and amino acids by chiral receptors with aggregation-induced emissions. Org Chem Front 2022. [DOI: 10.1039/d2qo01073a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The chiral AIEgens showed satisfying enantiomer discrimination not only for amino acids but also for chiral acids.
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Affiliation(s)
- Mingyu Chen
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Chunxuan Qi
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Yu-Ting Yin
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Panpan Lv
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Song Xiang
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Jingjing Tian
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Jing Feng Zhao
- Department of Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an 710032, China
| | - Hai-Tao Feng
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
| | - Ben Zhong Tang
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
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Guo X, Sun J, Li X, Yin YT, Zhou C, Su ZM, Khakhinov V. Temperature sensitive properties and preparation of europium complexes with double ligands. LUMINESCENCE 2021; 36:1476-1482. [PMID: 34009712 DOI: 10.1002/bio.4091] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/11/2021] [Accepted: 05/15/2021] [Indexed: 01/10/2023]
Abstract
Temperature sensitive paints (TSPs) are a class of rising materials for non-contact temperature measurement technology. Efficient complexes with remarkable luminescent properties play the core role in TSPs. Rare earth organic complexes are often used as probe molecules for TSPs because of their long fluorescence lifetime, narrow fluorescence emission peaks, high fluorescence intensity, and large Stokes shift. Herein, two europium-based complexes, Eu(PCCA)3 phen and Eu (PMCA)3 phen, were synthesized under hydrothermal conditions, using europium(III) oxide (Eu2 O3 ), p-chlorocinnamic acid (PCCA), p-methoxy cinnamic acid (PMCA) and 1,10-phenanthroline (phen) as raw materials. Two temperature sensitive paints (Eu(PCCA)3 phen/PMMA and Eu(PMCA)3 phen/PMMA) were obtained by the polymerization of methyl methacrylate (MMA) with different europium complexes. The structure, morphology, luminescent properties of the europium complexes and temperature quenching properties of the TSPs were characterized by infrared (IR) spectroscopy, scanning electron microscopy (SEM), and fluorescence spectroscopy. The fluorescence results show that both of the two TSPs have good temperature quenching performance in the range 20-100°C with high sensitivity 50-60°C and 80-90°C, respectively. Furthermore, the highest sensitivity of Eu(PCCA)3 phen/PMMA is greater than that of Eu(PMCA)3 phen/PMMA. This work can provide a universal way for preparing efficient TSPs in practical applications.
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Affiliation(s)
- Xin Guo
- School of Chemistry and Environmental Engineering, Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun, China
| | - Jing Sun
- School of Chemistry and Environmental Engineering, Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun, China
| | - Xiao Li
- School of Chemistry and Environmental Engineering, Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun, China
| | - Yu-Ting Yin
- School of Chemistry and Environmental Engineering, Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun, China
| | - Chen Zhou
- School of Chemistry and Environmental Engineering, Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun, China
| | - Zhong-Min Su
- School of Chemistry and Environmental Engineering, Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun, China
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Chen F, Yin YT, Zhao HM, Wang HY, Zhong YB, Long J, Liu DY. Sishen Pill Treatment of DSS-Induced Colitis via Regulating Interaction With Inflammatory Dendritic Cells and Gut Microbiota. Front Physiol 2020; 11:801. [PMID: 32754049 PMCID: PMC7381313 DOI: 10.3389/fphys.2020.00801] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 06/16/2020] [Indexed: 12/16/2022] Open
Abstract
Sishen Pill (SSP) is a typical prescription in the pharmacopeia of traditional Chinese medicine (TCM), and is usually used to treat inflammatory bowel disease (IBD). It is known that inflammatory dendritic cells (DCs) and imbalance of gut microbiota play significant roles in the pathogenesis of IBD. However, it is not clear whether SSP can treat IBD by regulating interaction of DCs and gut microbiota. In the present study, the levels of inflammatory DCs and gut microbiota were analyzed by flow cytometry and 16S rDNA analysis. SSP relieved the pathological damage to the colon of mice with colitis induced by dextran sodium sulfate (DSS). As typical indicators of inflammatory DCs, the levels of CD11c+CD103+E-cadherin+ cells and pro-inflammatory cytokines [interleukin (IL)-1β, -4, -9, and -17A] were decreased in mice with colitis treated by SSP for 10 days. Simultaneously, the gut microbiota composition was regulated, and beneficial bacteria were increased and pathogenic bacteria were reduced. The results indicated that SSP regulated the interaction between inflammatory DCs and gut microbiota to treat DSS-induced colitis.
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Affiliation(s)
- Fang Chen
- Department of Postgraduate, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yu-Ting Yin
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Hai-Mei Zhao
- College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Hai-Yan Wang
- Party and School Office, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - You-Bao Zhong
- Department of Postgraduate, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Jian Long
- Department of Postgraduate, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Duan-Yong Liu
- Science and Technology College, Jiangxi University of Traditional Chinese Medicine, Nanchang, China.,Formula-Pattern Research Center of Jiangxi, Nanchang, China
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Zhu W, Long JL, Yin YT, Guo HN, Jiang EP, Li YL, He QL, Zeng C, Sun YQ. MicroRNA-34a suppresses the invasion and migration of colorectal cancer cells by enhancing EGR1 and inhibiting vimentin. Exp Ther Med 2019; 18:2459-2466. [PMID: 31555358 PMCID: PMC6755272 DOI: 10.3892/etm.2019.7826] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 06/06/2019] [Indexed: 12/29/2022] Open
Abstract
MicroRNAs (miRNAs/miRs) are small non-coding RNAs that serve a post-transcriptional regulatory role in eukaryotes. Previous studies have demonstrated that the expression of miR-34a in colorectal cancer (CRC) tissues is decreased compared with that in normal colorectal tissues. However, the role of miR-34a in the invasion and metastasis of CRC remains unclear. In the present study, the levels of miR-34a expression were measured in various CRC cell lines. The cells were transfected with miR-34a mimics or inhibitors in order to assess the proliferation rate, and the colony forming, invasive and migratory abilities. Furthermore, the protein expression levels of vimentin and early growth response protein 1 (EGR1) were examined by western blot analysis. The results revealed that the expression of miR-34a was low in SW620, RKO, LoVo and Caco-2 cell lines and high in the SW480 and SW1116 cell lines. The migration, invasion and proliferation levels of SW480 cells were facilitated by decreasing the expression of miR-34a. Transient transfection with miR-34a mimics in SW620 cells caused a notable decrease in cell migration, invasion and proliferation levels compared with the control group, and a downregulation of vimentin and upregulation of EGR1 protein expression. The present study demonstrated that miR-34a was deregulated in a highly invasive CRC cell lines, and that it may attenuate the migratory, invasive and proliferative capabilities of CRC cells by enhancing the expression of EGR1 and inhibiting that of vimentin. The results of the present study represent important progress towards understanding the mechanisms of CRC recurrence and metastasis.
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Affiliation(s)
- Wei Zhu
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Jia-Li Long
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Yu-Ting Yin
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Hai-Na Guo
- Department of Pathology, Dongguan Maternal and Child Health Hospital, Dongguan, Guangdong 523002, P.R. China
| | - En-Ping Jiang
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Yu-Ling Li
- Department of Pathology, Dongguan Hospital of Southern Medical University, Dongguan, Guangdong 523059, P.R. China
| | - Qing-Lian He
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Chao Zeng
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Yan-Qin Sun
- Department of Pathology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
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