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ZHAO ANDI, WANG YUE, WANG ZIJIN, SHAO QING, GONG QI, ZHU HUI, SHEN SHIYA, LIU HU, CHEN XUEJUAN. Circ_0053943 complexed with IGF2BP3 drives uveal melanoma progression via regulating N6-methyladenosine modification of Epidermal growth factor receptor. Oncol Res 2024; 32:983-998. [PMID: 38686044 PMCID: PMC11055987 DOI: 10.32604/or.2024.045972] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 12/22/2023] [Indexed: 05/02/2024] Open
Abstract
Numerous studies have characterized the critical role of circular RNAs (circRNAs) as regulatory factors in the progression of multiple cancers. However, the biological functions of circRNAs and their underlying molecular mechanisms in the progression of uveal melanoma (UM) remain enigmatic. In this study, we identified a novel circRNA, circ_0053943, through re-analysis of UM microarray data and quantitative RT-PCR. Circ_0053943 was found to be upregulated in UM and to promote the proliferation and metastatic ability of UM cells in both in vitro and in vivo settings. Mechanistically, circ_0053943 was observed to bind to the KH1 and KH2 domains of insulin-like growth factor 2 mRNA-binding protein 3 (IGF2BP3), thereby enhancing the function of IGF2BP3 by stabilizing its target mRNA. RNA sequencing assays identified epidermal growth factor receptor (EGFR) as a target gene of circ_0053943 and IGF2BP3 at the transcriptional level. Rescue assays demonstrated that circ_0053943 exerts its biological function by stabilizing EGFR mRNA and regulating the downstream mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway. Collectively, circ_0053943 may promote UM progression by stabilizing EGFR mRNA and activating the MAPK/ERK signaling pathway through the formation of a circ_0053943/IGF2BP3/EGFR RNA-protein ternary complex, thus providing a potential biomarker and therapeutic target for UM.
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Affiliation(s)
- ANDI ZHAO
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - YUE WANG
- Department of Ophthalmology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - ZIJIN WANG
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - QING SHAO
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - QI GONG
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - HUI ZHU
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - SHIYA SHEN
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - HU LIU
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - XUEJUAN CHEN
- Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, China
- The First Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
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Yao MX, Yu HX, Mo HL, Zhang ZH, Song QC, Liu Q, Yang QY, Wang LX, Li Y. Structural and pharmacological characterization of a medium-chain fatty acid receptor GPR84 in common carp (Cyprinus carpio). Dev Comp Immunol 2024; 153:105126. [PMID: 38160872 DOI: 10.1016/j.dci.2023.105126] [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] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 12/23/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
The medium-chain fatty acid receptor GPR84, a member of the G protein-coupled receptor family, is mainly expressed in macrophages and microglia, and is involved in the regulation of inflammatory responses and retinal development in mammals and amphibians. However, structure, tissue distribution, and pharmacology of this receptor have rarely been reported in fish. In this study, we cloned the coding sequence (CDS) of common carp GPR84 (ccGPR84), examined its tissue distribution, and explored its cellular signaling function. The results showed that the CDS of ccGPR84 is 1191 bp and encodes a putative protein with 396 amino acids. Phylogenetic and chromosomal synteny analyses revealed that ccGPR84 was evolutionarily conserved with Cyprinids. Real-time quantitative PCR (qPCR) indicated that ccGPR84 was predominantly expressed in the intestine and spleen. Luciferase reporter assay demonstrated that nonanoic acid, capric acid (decanoic acid), undecanoic acid and lauric acid could inhibit cAMP signaling pathway and activate MAPK/ERK signaling pathway, while the potencies of these four fatty acids on the two signaling pathways were different. Lauric acid has the highest inhibitory potency on cAMP signaling pathway, followed by undecanoic acid, nonanoic acid, and capric acid. While for MAPK/ERK signaling pathway, nonanoic acid has the highest activation potency, followed by undecanoic acid, capric acid, and lauric acid. These findings lay the foundation for revealing the roles of different medium-chain fatty acids in the inflammatory response of common carp.
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Affiliation(s)
- Ming-Xing Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hui-Xia Yu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hao-Lin Mo
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhi-Hao Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qing-Chuan Song
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qiao Liu
- Department of Pathology, The Second Affiliated Hospital of Air Force Medical University, Xi'an, Shaanxi, 710038, China
| | - Qi-Yuan Yang
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts, Medical School, Worcester, MA, 01605, USA
| | - Li-Xin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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Meng X, Xiao J, Wang J, Sun M, Chen X, Wu L, Chen K, Li Z, Feng C, Zhuansun D, Yang J, Wu X, Yu D, Li W, Niu Y, He Y, Wei M, Chen F, Xiong B, Feng J, Zhu T. Mesenchymal Stem Cells Attenuates Hirschsprung Disease-Associated Enterocolitis by Reducing M1 Macrophages Infiltration via COX-2 Dependewhant Mechanism. J Pediatr Surg 2024:S0022-3468(24)00149-0. [PMID: 38508971 DOI: 10.1016/j.jpedsurg.2024.02.033] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/21/2024] [Accepted: 02/16/2024] [Indexed: 03/22/2024]
Abstract
OBJECTIVE AND DESIGN Hirschsprung disease-associated enterocolitis (HAEC) is a common life-threatening complication of Hirschsprung disease (HSCR). We aimed to investigate the effectiveness, long-term safety and the underlying mechanisms of Mesenchymal stem cells (MSCs) based therapy for HAEC. MATERIAL OR SUBJECTS Specimens from HSCR and HAEC patients were used to assess the inflammatory condition. Ednrb knock-out mice was used as HAEC model. MSCs was intraperitoneally transplanted into HAEC mice. The therapy effects, long-term outcome, safety and toxicity and the mechanism of MSCs on the treatment of HAEC were explored in vivo and in vitro. RESULTS Intestinal M1 macrophages infiltration and severe inflammation condition were observed in HAEC. After the injection of MSCs, HAEC mice showed significant amelioration of the inflammatory injury and inhibition of M1 macrophages infiltration. The expression levels of pro-inflammatory cytokines (TNF-α and IFN-γ) were decreased and anti-inflammatory cytokines (IL-10 and TGF-β) were increased. In addition, we found that effective MSCs homing to the inflamed colon tissue occurred without long-term toxicity response. However, COX-2 inhibitor could diminish the therapeutic effects of MSCs. Using MSCs and macrophages co-culture system, we identified that MSCs could alleviate HAEC by inhibiting M1 macrophages activation through COX-2-dependent MAPK/ERK signaling pathway. CONCLUSIONS MSCs ameliorate HAEC by reducing M1 macrophages polarization via COX-2 mediated MAPK/ERK signaling pathway, thus providing novel insights and potentially promising strategy for the treatment or prevention of HAEC.
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Affiliation(s)
- Xinyao Meng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Jun Xiao
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Jing Wang
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Minxian Sun
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Xuyong Chen
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Luyao Wu
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Ke Chen
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Zejian Li
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - ChenZhao Feng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Didi Zhuansun
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Jixin Yang
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Xiaojuan Wu
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Donghai Yu
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Wei Li
- Department of Pediatric Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi, China
| | - Yonghua Niu
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Ying He
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Mingfa Wei
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China
| | - Feng Chen
- Department of Pediatric Surgery, Union Hospital, Fujian Medical University, Fuzhou, China.
| | - Bo Xiong
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Jiexiong Feng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China.
| | - Tianqi Zhu
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Clinical Center of Hirschsprung Disease and Allied Disorders, Wuhan, China.
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Zhang Y, Li D, Jia Z, Mei J, Wang Y, Zhang Y, Zhou Q, Xu F. Zhizi-Chuanxiong herb pair alleviates atherosclerosis progression in ApoE -/- mice by promoting the methylation of FGFR3 to inhibit MAPK/ERK-mediated apoptosis. J Ethnopharmacol 2024; 319:117188. [PMID: 37716492 DOI: 10.1016/j.jep.2023.117188] [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] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 08/31/2023] [Accepted: 09/13/2023] [Indexed: 09/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Gardenia Fructus (Gardenia jasminoides Ellis, Zhizi) and Chuanxiong Rhizoma (Ligusticum chuanxiong Hort., Chuanxiong) are both traditional Chinese medicines with vascular protective effects, which help detoxify and activate blood, and are clinically used to treat atherosclerosis (AS). Previously, Zhizi-Chuanxiong showed good efficacy in attenuating AS progression in rabbits. However, its potential mechanism is yet unclear. AIM OF THE STUDY This study aimed to investigate the mechanism of the Zhizi-Chuanxiong herb pair (ZCHP) in attenuating AS progression from the perspective of DNA methylation. MATERIALS AND METHODS An AS mouse model was developed with ApoE-/- mice fed a high-fat diet (HFD). The therapeutic effects and mechanisms of ZCHP in treating HFD-induced AS were identified using an automated biochemical analyzer, enzyme-linked immunosorbent assays, histopathology, methyl-capture sequencing (MC-seq), pyrosequencing, quantitative reverse transcription-polymerase chain reaction (RT-qPCR), western blotting, and TUNEL staining. RESULTS ZCHP attenuated the development of AS by reducing lipid levels and enhancing the stability of plaques and via anti-inflammation. MC-seq and Kyoto Encyclopedia of Genes and Genomes analysis revealed that ZCHP corrected the expressions of both aberrant hypomethylated and hypermethylated genes, which are involved in the mitogen-activated protein kinase (MAPK) signaling pathway. Protein-protein network interaction analysis and molecular docking showed that fibroblast growth factor 3 (FGFR3) and serine/threonine protein kinase (AKT1) were closely related to the MAPK signaling pathway among differentially methylated genes induced by ZCHP. Furthermore, pyrosequencing showed that ZCHP could induce FGFR3 hypermethylation and AKT1 hypomethylation in the promoter region, which was consistent with the MC-seq results. Molecular docking showed that the ZCHP was more tightly docked to FGFR3. Furthermore, RT-qPCR and western blotting showed that the mRNA and protein expression levels of FGFR3 decreased after treatment with ZCHP. Finally, western blotting showed that ZCHP suppressed the expression of phosphorylated MAPK and phosphorylated extracellular signal-regulated kinase (ERK), and TUNEL staining showed that ZCHP treatment could inhibit apoptosis in AS. CONCLUSION Our findings suggest that ZCHP can effectively attenuate AS progression by inhibiting MAPK/ERK signaling-mediated apoptosis via FGFR3 hypermethylation in the promoter region.
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Affiliation(s)
- Yan Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Dandan Li
- China Resources Biomedical Company Limited, Beijing, 100029, China
| | - Zijun Jia
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; China-Japan Friendship Hospital, Beijing, 100029, China
| | - Jun Mei
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Ya Wang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Ying Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Qingbing Zhou
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Fengqin Xu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
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Li F, Wang J, Yan YQ, Bai CZ, Guo JQ. CD147 promotes breast cancer migration and invasion by inducing epithelial-mesenchymal transition via the MAPK/ERK signaling pathway. BMC Cancer 2023; 23:1214. [PMID: 38066486 PMCID: PMC10709944 DOI: 10.1186/s12885-023-11724-2] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND CD147, a transmembrane glycoprotein, has been implicated in various cancer-related processes but its role in breast cancer remains poorly understood. Herein, we investigated the expression of CD147 in different breast cancer cell lines and explored its functional roles, including migration, invasion, drug resistance and modulation of key proteins associated with cancer progression. METHODS The expression of CD147 was assessed in MCF-10 A, BT549, MDA-MB-231 and MCF-7 breast cancer cell lines using qRT-PCR and Western blotting, following which lyposome transfections were performed, leading overexpression of CD147 in BT549 cells and knockdown of CD147 in MCF-7 cells. Scratch assays and Transwell invasion and were performed to evaluate the cells' migration and invasion abilities. Sensitivity to 5-FU was determined via CCK-8 assays, and the expression of Snail1, E-cadherin, Vimentin, MMP-9 and the MAPK/ERK pathway were analyzed by qRT-PCR and Western blotting. RESULTS Compared with normal beast epithelial cells, CD147 was highly expressed in all breast cancer cell lines, with the highest overexpression observed in MCF-7 cells and the lowest overexpression observed in BT549 cells. Overexpression of CD147 in BT549 cells increased, migration, invasion, viability and resistance to 5-FU of BT549 cells, while CD147 knockdown in MCF-7 cells reduced these properties of MCF-7 cells. Furthermore, CD147 influenced the expression of Snail1, Vimentin, E-cadherin, and MMP-9, suggesting its involvement in epithelial-mesenchymal transition (EMT) regulation. The MAPK/ERK pathway was activated by CD147 in BT549 cells, as indicated by increased p-MEK/MEK ratio and p-ERK/ERK ratio. In contrast, CD147 silencing in MCF-7 cells resulted in reduced p-MEK/MEK ratio and p-ERK/ERK ratio. CONCLUSION In summary, our findings suggest CD147 as a potential therapeutic target in breast cancer treatment, particularly in cases where drug resistance and metastasis are concerns, worthy of further explorations.
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Affiliation(s)
- Fang Li
- Department of Scientific Research, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Third Hospital of Shanxi Medical University, Tongji Shanxi Hospital, Taiyuan, 030032, PR China.
| | - Jing Wang
- Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Third Hospital of Shanxi Medical University, Tongji Shanxi Hospital, Taiyuan, 030032, PR China
| | - Yu-Qiong Yan
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, Taiyuan, 030006, PR China
| | - Chong-Zhi Bai
- Central Laboratory, Shanxi Province Hospital of Traditional Chinese Medicine, Taiyuan, 030012, PR China
| | - Ji-Qiang Guo
- Department of Clinical Laboratory, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Third Hospital of Shanxi Medical University, Tongji Shanxi Hospital, Taiyuan, 030032, PR China
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Ji X, Liu X, Li X, Du X, Fan L. MircoRNA-322-5p promotes lipopolysaccharide-induced acute kidney injury mouse models and mouse primary proximal renal tubular epithelial cell injury by regulating T-box transcription factor 21/mitogen-activated protein kinase/extracellular signal-related kinase axis. Nefrologia 2023; 43 Suppl 2:8-20. [PMID: 37179213 DOI: 10.1016/j.nefroe.2023.05.004] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/25/2023] [Indexed: 05/15/2023] Open
Abstract
INTRODUCTION AND OBJECTIVES Acute kidney injury (AKI) is a common devastating complication characterized by an abrupt loss of renal function. It is of great significance to explore promising biomarkers for AKI treatment. MATERIALS AND METHODS Here, we established LPS (lipopolysaccharide)-induced AKI mice models and LPS-induced AKI mouse renal tubular epithelial cell model. The severity of AKI was determined by the levels of BUN (blood urea nitrogen) and SCr (serum creatinine), the observation of pathological section as well as the renal tubular injury score. The apoptosis was determined by the measurement of Caspase-3 and Caspase-9 activities, and cell apoptosis assays. qRT-PCR (quantitative real-time PCR) and western blot revealed that miR-322-5p (microRNA-322-5p) was up-regulated in LPS -induced AKI models while Tbx21 (T-box transcription factor 21) was down-regulated in LPS-induced AKI models. Dual-luciferase reporter and RNA pulldown assays detected the interaction of Tbx21 with miR-322-5p. RESULTS We found that miR-322-5p was overtly over-expressed in the in vitro LPS-induced AKI model and promoted the apoptosis of AKI mouse renal tubular epithelial cells via inhibiting Tbx21, which suppressed the mitochondrial fission and cell apoptosis through MAPK/ERK (mitogen-activated protein kinase/extracellular signal-related kinase) pathway. CONCLUSIONS We demonstrated that miR-322-5p promotes LPS-induced mouse AKI by regulating Tbx21/MAPK/ERK axis, which might provide new sights for AKI research.
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Affiliation(s)
- Xiaobing Ji
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, Jiangsu, China
| | - Xiaodong Liu
- Department of Nephrology, The Second People's Hospital of Lianyungang,Affiliated to Kangda College of Nanjing Medical University, Lianyungang 222023, Jiangsu, China
| | - Xiangxiang Li
- Department of Nephrology, Nanjing Yuhua Hospital, Yuhua Branch of Nanjing First Hospital, Nanjing 210039, Jiangsu, China
| | - Xin Du
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, Jiangsu, China
| | - Li Fan
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, Jiangsu, China.
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Yu X, Sun Z, Nie S, Zhang T, Lu H. Effects of Resveratrol on Mouse B16 Melanoma Cell Proliferation through the SHCBP1-ERK1/2 Signaling Pathway. Molecules 2023; 28:7614. [PMID: 38005336 PMCID: PMC10674768 DOI: 10.3390/molecules28227614] [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: 09/19/2023] [Revised: 11/06/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Melanoma originates from the malignant mutational transformation of melanocytes in the basal layer of the epidermal layer of the skin. It can easily spread and metastasize in the early stage, resulting in a poor prognosis. Therefore, it is particularly important to find effective antitumor adjuvant drugs to inhibit the occurrence and development of melanoma. In this study, we found that resveratrol, a polyphenolic compound from grape plants, can significantly inhibit the proliferation, colony formation and migration of mouse melanoma B16 cells. Notably, resveratrol was also found to inhibit the expression of SHCBP1 in B16 cells. Transcriptional analysis and cellular studies showed that SHCBP1 can activate the MAPK/ERK signaling pathway to regulate cyclin expression and promote the G1/S phase transition of the cell cycle by upregulating ERK1/2 phosphorylation levels. Resveratrol further downregulates the phosphorylation level of ERK1/2 by inhibiting SHCBP1 expression, thus inhibiting tumor cell proliferation. In conclusion, resveratrol inhibits the proliferation of B16 cells by regulating the ERK1/2 signaling pathway through SHCBP1. As an upstream protein of the ERK1/2 signaling pathway, SHCBP1 may be involved in the process of resveratrol-mediated inhibition of tumor cell proliferation.
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Affiliation(s)
- Xiaoke Yu
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723001, China; (X.Y.); (Z.S.); (S.N.); (T.Z.)
| | - Zhiyang Sun
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723001, China; (X.Y.); (Z.S.); (S.N.); (T.Z.)
| | - Saiya Nie
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723001, China; (X.Y.); (Z.S.); (S.N.); (T.Z.)
| | - Tao Zhang
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723001, China; (X.Y.); (Z.S.); (S.N.); (T.Z.)
- Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong 723001, China
- Department of Biology, QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C., Shaanxi University of Technology, Hanzhong 723001, China
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong 723001, China
| | - Hongzhao Lu
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723001, China; (X.Y.); (Z.S.); (S.N.); (T.Z.)
- Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong 723001, China
- Department of Biology, QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C., Shaanxi University of Technology, Hanzhong 723001, China
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong 723001, China
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Wu J, Li J, Xu H, Qiu N, Huang X, Li H. Periostin drives extracellular matrix degradation, stemness, and chemoresistance by activating the MAPK/ERK signaling pathway in triple-negative breast cancer cells. Lipids Health Dis 2023; 22:153. [PMID: 37716956 PMCID: PMC10504790 DOI: 10.1186/s12944-023-01912-1] [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: 06/19/2023] [Accepted: 08/29/2023] [Indexed: 09/18/2023] Open
Abstract
BACKGROUND Adipose tissue, which is mainly composed of adipocytes, is a crucial component of the tumor microenvironment, particularly in breast cancer. Adipocytes surround breast cancer cells and may participate in cell‒cell interactions in the breast microenvironment. However, little is currently known about how adipocytes influence the biological behavior of the surrounding breast cancer cells. Hence, this study sought to investigate the role and underlying mechanisms of periostin in triple-negative breast cancer (TNBC) cells cocultured with adipogenic conditioned medium (ACM) and palmitic acid (PA). METHODS Human TNBC cell lines (MDA‒MB‒231 and SUM159PT) were treated with ACM and PA, then the expression of periostin, matrix metalloproteinases (MMPs) and stemness-related molecules were assessed by Western blotting and RT‒qPCR. The cellular viability was assessed using CCK‒8 assay. Plasmid transfection, RNA sequencing, and pathway inhibitor were used to explore the specific mechanisms of periostin. RESULTS ACM and PA elevated the expression of both MMPs and stemness-related molecules in TNBCs. MMPs can promote tumor cell infiltration and migration by degrading the extracellular matrix, and stemness expression increases the development of tumor chemoresistance. Additionally, ACM and PA increased periostin expression, while inhibiting periostin disrupted the involvement of ACM and PA in promoting extracellular matrix degradation, stemness, and chemoresistance in TNBCs. Furthermore, this study found that periostin promoted TNBC progression by activating the MAPK/ERK signaling pathway and that inhibition of MAPK/ERK signaling reduced the phenotype caused by periostin upregulation in TNBCs treated with ACM or PA. Finally, the present results showed that the high expression of POSTN, which encodes periostin, was substantially related to worse survival in TNBC patients. CONCLUSIONS The results of the study elucidated for the first time how periostin is the key protein secreted in TNBCs in response to the adipocyte-regulated tumor microenvironment, while periostin-neutralizing antibodies may serve as potential therapeutic agents in relation to TNBC progression.
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Affiliation(s)
- Jinna Wu
- Department of Breast Oncology Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Jia Li
- Department of Breast Oncology Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Huiya Xu
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
| | - Ni Qiu
- Department of Breast Oncology Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Xiaojia Huang
- Department of Breast Oncology Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Hongsheng Li
- Department of Breast Oncology Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China.
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9
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Shao J, Yu W, Wei W, Wang S, Zheng Z, Li L, Sun Y, Zhang J, Li Z, Ren X, Zang W, Cao J. MAPK-ERK-CREB signaling pathway upregulates Nav1.6 in oxaliplatin-induced neuropathic pain in the rat. Toxicol Lett 2023; 384:149-160. [PMID: 37453670 DOI: 10.1016/j.toxlet.2023.07.010] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
The voltage-gated sodium channel subtype Nav1.6 is involved in the electrophysiological changes of primary sensory neurons that occur in oxaliplatin-induced neuropathic pain, but its regulatory mechanism remains unclear. In this study, Western blot, RT-qPCR, immunofluorescence staining, chromatin immunoprecipitation were used to prove the mechanism of MAPK-ERK-CREB signaling pathway participating in oxaliplatin-induced neuropathic pain by regulating Nav1.6. The results showed that p-Raf1 and p-ERK, key molecules in MAPK/ERK pathway, and Nav1.6 were significantly increased in DRGs of oxaliplatin-induced neuropathic pain rats. Inhibition of p-Raf1 and p-ERK respectively not only reduced the expression of Nav1.6 protein in DRGs of OXA rats, but also caused a decrease in Nav1.6 mRNA, which led us to further explore the transcription factor CREB regulated by MAPK/ERK pathway. Results showed that CREB was co-distributed with Nav1.6. Inhibition of CREB resulted in decreased mRNA and protein expression of Nav1.6, and alleviated oxaliplatin-induced neuropathic pain. A chromatin immunoprecipitation experiment proved that OXA caused p-CREB to directly bind to the promoter region of Scn8A, which is the encoding gene for Nav1.6, and promote the transcription of Scn8A. In summary, in this study, we found that oxaliplatin can activate the MAPK/ERK pathway, which promotes the expression and activation of CREB and leads to an increase in Scn8A transcription, and then leads to an increase in Nav1.6 protein expression to enhance neuronal excitability and cause pain. This study provides an experimental basis for the molecular mechanism of sodium channel regulation in oxaliplatin-induced neuropathic pain.
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Affiliation(s)
- Jinping Shao
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Wenli Yu
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China; Xinyang Central Hospital, Xinyang, China
| | - Wei Wei
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Suifeng Wang
- Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China; The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Zhenli Zheng
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Lei Li
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Yanyan Sun
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Jingjing Zhang
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Zhihua Li
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Xiuhua Ren
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China
| | - Weidong Zang
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China.
| | - Jing Cao
- Department of Human Anatomy, School of Basic Medicine, Zhengzhou University, Zhengzhou 450001, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, China.
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10
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Mehtiyev T, Karaman EF, Ozden S. Alterations in cell viability, reactive oxygen species production, and modulation of gene expression involved in mitogen-activated protein kinase/extracellular regulating kinase signaling pathway by glyphosate and its commercial formulation in hepatocellular carcinoma cells. Toxicol Ind Health 2023; 39:81-93. [PMID: 36625791 DOI: 10.1177/07482337221149571] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Glyphosate (N-phosphonomethyl glycine) is a non-selective, organophosphate herbicide widely used in agriculture and forestry. We investigated the possible toxic effects of the glyphosate active compound and its commercial formulation (Roundup Star®) in the human hepatocellular carcinoma (HepG2) cell line, including their effects on the cytotoxicity, cell proliferation, reactive oxygen species (ROS) levels, and expression of oxidative stress-related genes such as HO-1, Hsp70 Nrf2, L-FABP, and Keap1. MTT and NRU tests indicated that the IC50 values of Roundup Star® were 219 and 140 μM, respectively, and because glyphosate failed to induce cell death at the studied concentrations, an IC50 value could not be determined for this cell line. Roundup Star at concentrations of 50 and 100 μM significantly increased (39.58% and 52%, respectively) cell proliferation, which 200 μM of glyphosate increased by 35.38%. ROS levels increased by 27.97% and 44.77% for 25 and 100 μM of Roundup Star and 32.74% and 38.63% for 100 and 200 μM of glyphosate exposure. In conclusion, Roundup Star and glyphosate significantly increased expression levels of selected genes related to the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway. This suggests that ROS production and the MAPK/ERK signaling pathway may be key molecular mechanisms in the toxicity of glyphosate in liver cells.
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Affiliation(s)
- Toghrul Mehtiyev
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 37516Istanbul University, Istanbul, Turkey.,Institute of Graduate Studies in Health Sciences, Istanbul University, Istanbul, Turkey
| | - Ecem Fatma Karaman
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 37516Istanbul University, Istanbul, Turkey.,Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 420479Biruni University, Istanbul, Turkey
| | - Sibel Ozden
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, 37516Istanbul University, Istanbul, Turkey
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11
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Kuang P, Cui H, Yu L. Sodium fluoride suppresses spleen development through MAPK/ERK signaling pathway in mice. Ecotoxicol Environ Saf 2022; 241:113764. [PMID: 35709673 DOI: 10.1016/j.ecoenv.2022.113764] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/25/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Numerous studies have documented that excessive fluoride intake could cause pathological damage and functional disorder in organisms. Nevertheless, the systemic mechanism of fluorosis inhibiting the proliferation and development of splenic cell is still scarce. The preliminary studies have confirmed that high-dose NaF could inhibit splenic lymphocytes proliferation in vitro and cause toxic effects on spleen development in vivo. Here this study continued to explore the signaling pathway with the methods of quantitative real-time polymerase chain reaction (qRT-PCR) and western blot (WB), revealing the mechanism of fluorosis in the growth system. Mice in 4 groups (control, 12 mg/kg, 24 mg/kg, 48 mg/kg) were gavage administrated with NaF solution continuously for 42 days. The results suggested that NaF more than 12 mg/kg slowed down the growth of mice, inhibited spleen growth and development, which was characterized by decreasing spleen volume, and inducing splenic cell apoptosis. For the Ras-Raf-MEK-ERK signaling pathway, the mRNA and protein expression levels of Ras were significantly elevated, and the phosphorylated protein expression levels of Raf (B-Raf, C-Raf) were increased. Meanwhile, mice mRNA expression levels were increased in a time and dose-dependent manner on the 21st and 42nd days of the experiment. Additionally, the mRNA and protein levels of MEK1/2 were increased on the 21st day of the experiment, while reduced on the 42nd day. The ERK1/2 levels were significantly decreased at both 21st and 42nd days of the experiment. This study showed that NaF activated Ras to induce downstream Raf-MEK-ERK cascade reaction, but failed to activate ERK eventually, the proliferation signal from the cell surface could not transmit to the nucleus, interfering with the regulation of cell proliferation, differentiation, meiosis, and suppressed spleen development ultimately.
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Affiliation(s)
- Ping Kuang
- Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen University, Guangdong 518060, China
| | - Hengmin Cui
- Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen University, Guangdong 518060, China; College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.
| | - Li Yu
- Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen University, Guangdong 518060, China; College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu 611130, China.
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12
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Wang W, Zhang J, Huo Y, Zheng Y, Gui Y. Effects of the Leptin-Mediated MAPK/ERK Signaling Pathway on Collagen II Expression in Knee Cartilage of Newborn Male Mice from Obese Maternal Offspring. Biomolecules 2022; 12:477. [PMID: 35327669 DOI: 10.3390/biom12030477] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/15/2022] [Accepted: 03/19/2022] [Indexed: 12/19/2022] Open
Abstract
Epidemiological data suggest that various noncommunicable diseases develop as a result of altered maternal metabolic and physiological status due to exposure to several adverse factors during pregnancy. However, evidence for intrauterine exposure factors and mechanisms underlying the origin of early cartilage disease in chronic osteoarthritic disease is still lacking. In this study, we found that persistent overnutrition during pregnancy in obese mothers led to cartilage damage in neonatal male mice. This was mainly characterized by increased apoptosis with decreased expression of chondrocyte collagen II and low expression of Runx family transcription factor 2 (RUNX2) and SRY-box transcription factor 9 (SOX9). This reduction was also found to be associated with high leptin expression in newborn male mice of obese maternal offspring. Furthermore, the administration of leptin and mitogen-activated protein kinase (MAPK)-extracellular signal-regulated kinase (ERK) inhibitors in primary chondrocytes showed that leptin mediated MAPK/ERK signaling activation and thus affected the key regulators of cartilage matrix metallopeptidase 1 (MMP1) and tissue inhibitor of metalloproteinase 1 (TIMP1), thereby altering the expression of collagen II in mouse cartilage. Altogether, this study provided insights into the molecular mechanisms of cartilage-related disease development and also new clues and evidence for the fetogenetic origin of cartilage diseases.
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13
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Zhang S, Wang X, Wang D. Long non-coding RNA LINC01296 promotes progression of oral squamous cell carcinoma through activating the MAPK/ERK signaling pathway via the miR-485-5p/PAK4 axis. Arch Med Sci 2022; 18:786-799. [PMID: 35591837 PMCID: PMC9102572 DOI: 10.5114/aoms.2019.86805] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/19/2019] [Indexed: 12/05/2022] Open
Abstract
INTRODUCTION Long intergenic non-protein-coding RNA 1296 (LINC01296), a newly identified lncRNA, can function as an oncogenic driver to promote the development of multiple carcinomas. However, the effect of LINC01296 on oral squamous cell carcinoma (OSCC) is still unclear. MATERIAL AND METHODS We determined the expression and role of LINC01296 in OSCC tissues and cell lines. The cell viability, migration and invasion were determined by MTT, wound healing assay and transwell assay, respectively. Flow cytometry was used for detecting cell cycle and apoptosis. The interaction and association between LINC01296, microRNA-485-5p (miR-485-5p) and p21 (RAC1) activated kinase 4 (PAK4) were analyzed by RNA immunoprecipitation (RIP) and luciferase reporter assays. The xenograft mouse model was established to detect the effect of LINC01296 on OSCC tumor growth. RESULTS Our study showed that LINC01296 was over-expressed in OSCC tissues and cell lines. The level of LINC01296 was positively correlated with the patient's tumor node metastasis (TNM) stage and nodal invasion. Knockdown of LINC01296 effectively inhibits cell viability, migration and invasion but promotes cell apoptosis in vitro. The in vivo experiment showed that LINC01296 knockdown inhibited OSCC tumor growth. The following analysis indicated that LINC01296 acted as a ceRNA for miR-485-5p, and PAK4 was identified as a direct target of miR-485-5p. Furthermore, we found that the effects of LINC01296 on OSCC progression were through regulating the expression of PAK4/p-MEK/p-ERK via sponging miR-485-5p. CONCLUSIONS LINC01296 promote the cell cycle, proliferation, migration and invasion, and inhibit apoptosis of OSCC cells through activating the MAPK/ERK signaling pathway via sponging miR-485-5p to regulate PAK4 expression. These results suggested that the LINC01296/miR-485-5p/PAK4 axis was closely associated with OSCC progression. Our study provides a new insight into the molecular pathogenesis of OSCC, and may supply novel biomarkers for diagnosis and therapy of OSCC.
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Affiliation(s)
- Shuangyue Zhang
- Department of Stomatology, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Huai’an, Jiangsu Province, China
| | - Xiaowei Wang
- Department of Oncology, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Huai’an, Jiangsu Province, China
| | - Dazhao Wang
- Department of Stomatology, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Huai’an, Jiangsu Province, China
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14
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Lu J, Chen S, Tan H, Huang Z, Li B, Liu L, Chen Y, Zeng X, Zou Y, Xu L. Eukaryotic initiation factor-2, gamma subunit, suppresses proliferation and regulates the cell cycle via the MAPK/ERK signaling pathway in acute myeloid leukemia. J Cancer Res Clin Oncol 2021; 147:3157-3168. [PMID: 34232382 DOI: 10.1007/s00432-021-03712-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 03/27/2021] [Accepted: 06/23/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE The expression of eukaryotic translation initiation factor-2 subunit 3 (EIF2S3) in patients with non-small cell lung and colorectal cancer is lower than that in healthy individuals. However, the functions of EIF2S3 remain unclear, and its study in leukemia has not been reported. The article aims to explore the role of EIF2S3 in AML (acute myeloid leukemia) and its underlying mechanism. METHODS Reverse transcription-quantitative PCR was performed to evaluate the expression levels of EIF2S3, and its association with patient prognosis was determined. Inducible HEL-EIF2S3 and HL-60-EIF2S3 cell lines were established by retrovirus infection. Cellular proliferation and the cell cycle were analyzed using Cell Counting Kit-8 and flow cytometric analyses. Tumorigenic ability was evaluated using xenograft nude mouse model. Gene expression profiles were analyzed in HL-60-EIF2S3 cells by next-generation sequencing, and WB analysis was performed to detect the expression of related proteins. RESULTS The expression of EIF2S3 in patients with AML was lower than that experiencing CR (P = 0.02). Furthermore, EIF2S3 overexpression inhibited cellular proliferation, halted G0/1 to S phase cell cycle progression, and inhibited tumorigenicity (P = 0.015). 479 differentially expressed genes were identified between HL60-EIF2S3 DOX (-) and HL60-EIF2S3 DOX ( +) cells via NGS and several of them involved in MAPK/ERK signaling pathway. The phosphorylation levels of ERK decreased when EIF2S3 was overexpressed (P < 0.050). CONCLUSION EIF2S3 overexpression may result in a decrease in cellular proliferation, cell cycle arrest, and tumorigenic inhibition via the MAPK/ERK signaling pathway in AML cells.
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Affiliation(s)
- Jielun Lu
- Department of Pediatrics, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China.,Department of Urology and Minimally Invasive Surgery Center, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Institute of Urology, Guangzhou, 510230, Guangdong, People's Republic of China
| | - Shuyi Chen
- Department of Hematology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China.,Department of Urology and Minimally Invasive Surgery Center, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Institute of Urology, Guangzhou, 510230, Guangdong, People's Republic of China
| | - Huo Tan
- Department of Hematology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Zhenqian Huang
- Department of Hematology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Bo Li
- Department of Pediatrics, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Ling Liu
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 51260, People's Republic of China
| | - Yimin Chen
- Department of Hematology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Xiaozhen Zeng
- Department of Pediatrics, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Yawei Zou
- Department of Pediatrics, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China.
| | - Lihua Xu
- Department of Hematology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang West Road, Yuexiu, Guangzhou, 510000, Guangdong, People's Republic of China. .,Department of Urology and Minimally Invasive Surgery Center, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Institute of Urology, Guangzhou, 510230, Guangdong, People's Republic of China.
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Kim KJ, Paik HD, Kim JY. Immune-Enhancing Effects of Lactobacillus plantarum 200655 Isolated from Korean Kimchi in a Cyclophosphamide-Induced Immunocompromised Mouse Model. J Microbiol Biotechnol 2021; 31:726-732. [PMID: 33820888 PMCID: PMC9705930 DOI: 10.4014/jmb.2103.03028] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 12/15/2022]
Abstract
In this study, we evaluated the immune-enhancing activity of kimchi-derived Lactobacillus plantarum 200655 on immune suppression by cyclophosphamide (CP) in ICR mice. Animals were fed distilled water or 1×109 colony-forming unit/kg B.W. 200655 or Lactobacillus rhamnosus GG as a positive control for 14 days. An in vivo model of immunosuppression was induced using CP 150 and 100 mg/kg B.W. at 7 and 10 days, respectively. Body weight, spleen index, spleen weight, and gene expression were measured to estimate the immune-enhancing effects. The dead 200655 (D-200655) group showed an increased spleen weight compared to the sham control (SC) group. Similarly, the spleen index was significantly higher than that in the CP-treated group. The live 200655 (L-200655) group showed an increased mRNA expression of tumor necrosis factor-alpha (TNF-α) and interleukin (IL)-6 in splenocytes. Also, the iNOS and COX-2 mRNA expression was upregulated in the L-200655 group compared to the CP-only (SC) group. The phosphorylation of ERK and MAPK was also upmodulated in the L-200655 group. These results indicate that L. plantarum 200655 ameliorated CP-induced immune suppression, suggesting that L. plantarum 200655 may have the potential to enhance the immune system.
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Affiliation(s)
- Kyeong Jin Kim
- Department of Nano Bio engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Ji Yeon Kim
- Department of Nano Bio engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea,Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea,Corresponding author Phone: +82-2-970-6740 E-mail:
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Zheng C, Zhu Y, Liu Q, Luo T, Xu W. Maprotiline Suppresses Cholesterol Biosynthesis and Hepatocellular Carcinoma Progression Through Direct Targeting of CRABP1. Front Pharmacol 2021; 12:689767. [PMID: 34093212 PMCID: PMC8172778 DOI: 10.3389/fphar.2021.689767] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 04/01/2021] [Accepted: 05/06/2021] [Indexed: 12/24/2022] Open
Abstract
Hepatocellular carcinoma (HCC) remains one of the leading causes of cancer-related death and has a poor prognosis worldwide, thus, more effective drugs are urgently needed. In this article, a small molecule drug library composed of 1,056 approved medicines from the FDA was used to screen for anticancer drugs. The tetracyclic compound maprotiline, a highly selective noradrenergic reuptake blocker, has strong antidepressant efficacy. However, the anticancer effect of maprotiline remains unclear. Here, we investigated the anticancer potential of maprotiline in the HCC cell lines Huh7 and HepG2. We found that maprotiline not only significantly restrained cell proliferation, colony formation and metastasis in vitro but also exerted antitumor effects in vivo. In addition to the antitumor effect alone, maprotiline could also enhance the sensitivity of HCC cells to sorafenib. The depth studies revealed that maprotiline substantially decreased the phosphorylation of sterol regulatory element-binding protein 2 (SREBP2) through the ERK signaling pathway, which resulted in decreased cholesterol biosynthesis and eventually impeded HCC cell growth. Furthermore, we identified cellular retinoic acid binding protein 1 (CRABP1) as a direct target of maprotiline. In conclusion, our study provided the first evidence showing that maprotiline could attenuate cholesterol biosynthesis to inhibit the proliferation and metastasis of HCC cells through the ERK-SREBP2 signaling pathway by directly binding to CRABP1, which supports the strategy of repurposing maprotiline in the treatment of HCC.
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Affiliation(s)
- Cancan Zheng
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, Jinan University, Guangzhou, China
| | - Yidong Zhu
- MOE Key Laboratory of Tumor Molecular Biology and Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Qinwen Liu
- MOE Key Laboratory of Tumor Molecular Biology and Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Tingting Luo
- MOE Key Laboratory of Tumor Molecular Biology and Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Wenwen Xu
- MOE Key Laboratory of Tumor Molecular Biology and Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
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Aihaiti Y, Song Cai Y, Tuerhong X, Ni Yang Y, Ma Y, Shi Zheng H, Xu K, Xu P. Therapeutic Effects of Naringin in Rheumatoid Arthritis: Network Pharmacology and Experimental Validation. Front Pharmacol 2021; 12:672054. [PMID: 34054546 PMCID: PMC8160516 DOI: 10.3389/fphar.2021.672054] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/26/2021] [Indexed: 12/20/2022] Open
Abstract
Rheumatoid arthritis is a chronic autoimmune disease characterized by persistent hyperplasia of the synovial membrane and progressive erosion of articular cartilage. Disequilibrium between the proliferation and death of RA fibroblast-like synoviocytes (RA-FLSs) is the critical factor in progression of RA. Naringin has been reported to exert anti-inflammatory and antioxidant effect in acute and chronic animal models of RA. However, the therapeutic effect and underlying mechanisms of naringin in human RA-FLS remain unclear. Based on network pharmacology, the corresponding targets of naringin were identified using SwissTargetPrediction database, STITCH database, and Comparative Toxicogenomics Database. Deferentially expressed genes (DEGs) in RA were obtained from the GEO database. The protein–protein interaction (PPI) networks of intersected targets were constructed using the STRING database and visualized using Cytoscape. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed, and the pathways directly related to pathogenesis of RA were integrated manually. Further, in vitro studies were carried out based on network pharmacology. 99 target genes were intersected between targets of naringin and DEGs. The PPI network and topological analysis indicated that IL-6, MAPK8, MMP-9, TNF, and MAPK1 shared the highest centrality among all. GO analysis and KEGG analysis indicated that target genes were mostly enriched in (hsa05200) pathways in cancer, (hsa05161) hepatitis B, (hsa04380) osteoclast differentiation, (hsa04151) PI3K-Akt signaling pathway, and (hsa05142) Chagas disease (American trypanosomiasis). In vitro studies revealed that naringin exposure was found to promote apoptosis of RA-FLS, increased the activation of caspase-3, and increased the ratio of Bax/Bcl-2 in a dose-dependent manner. Furthermore, treatment of naringin attenuated the production of inflammatory cytokines and matrix metalloproteinases (MMPs) in TNF-ɑ–induced RA-FLS. Moreover, treatment of naringin inhibited the phosphorylation of Akt and ERK in RA-FLS. Network pharmacology provides a predicative strategy to investigate the therapeutic effects and mechanisms of herbs and compounds. Naringin inhibits inflammation and MMPs production and promotes apoptosis in RA-FLS via PI3K/Akt and MAPK/ERK signaling pathways.
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Affiliation(s)
- Yirixiati Aihaiti
- Department of Joint Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Yong Song Cai
- Department of Joint Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Xiadiye Tuerhong
- Department of Thoracic Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Yan Ni Yang
- Department of Rehabilitation, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Yao Ma
- Department of Joint Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Hai Shi Zheng
- Department of Joint Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Ke Xu
- Department of Joint Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
| | - Peng Xu
- Department of Joint Surgery, Xi'an Jiaotong University Affiliated HongHui Hospital, Xi'an, China
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Feng XD, Zhu JQ, Zhou JH, Lin FY, Feng B, Shi XW, Pan QL, Yu J, Li LJ, Cao HC. Hypoxia-inducible factor-1α-mediated upregulation of CD99 promotes the proliferation of placental mesenchymal stem cells by regulating ERK1/2. World J Stem Cells 2021; 13:317-330. [PMID: 33959221 PMCID: PMC8080541 DOI: 10.4252/wjsc.v13.i4.317] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/11/2021] [Accepted: 03/29/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND As human placenta-derived mesenchymal stem cells (hP-MSCs) exist in a physiologically hypoxic microenvironment, various studies have focused on the influence of hypoxia. However, the underlying mechanisms remain to be further explored. AIM The aim was to reveal the possible mechanisms by which hypoxia enhances the proliferation of hP-MSCs. METHODS A hypoxic cell incubator (2.5% O2) was used to mimic a hypoxic microenvironment. Cell counting kit-8 and 5-ethynyl-20-deoxyuridine incorporation assays were used to assay the proliferation of hP-MSCs. The cell cycle was profiled by flow cytometry. Transcriptome profiling of hP-MSCs under hypoxia was performed by RNA sequencing. CD99 mRNA expression was assayed by reverse transcription-polymerase chain reaction. Small interfering RNA-mediated hypoxia-inducible factor 1α (HIF-1α) or CD99 knockdown of hP-MSCs, luciferase reporter assays, and the ERK1/2 signaling inhibitor PD98059 were used in the mechanistic analysis. Protein expression was assayed by western blotting; immunofluorescence assays were conducted to evaluate changes in expression levels. RESULTS Hypoxia enhanced hP-MSC proliferation, increased the expression of cyclin E1, cyclin-dependent kinase 2, and cyclin A2, and decreased the expression of p21. Under hypoxia, CD99 expression was increased by HIF-1α. CD99-specific small interfering RNA or the ERK1/2 signaling inhibitor PD98059 abrogated the hypoxia-induced increase in cell proliferation. CONCLUSION Hypoxia promoted hP-MSCs proliferation in a manner dependent on CD99 regulation of the MAPK/ERK signaling pathway in vitro.
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Affiliation(s)
- Xu-Dong Feng
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Jia-Qi Zhu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Jia-Hang Zhou
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Fei-Yan Lin
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Bing Feng
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Xiao-Wei Shi
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Qiao-Ling Pan
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Jiong Yu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Lan-Juan Li
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Hong-Cui Cao
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China.
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Idiiatullina E, Al-Azab M, Walana W, Pavlov V, Liu B. EnDuo, a novel derivative of Endostar, inhibits the migration of colon cancer cells, suppresses matrix metalloproteinase-2/9 expression and impedes AKT/ERK activation. Biomed Pharmacother 2020; 134:111136. [PMID: 33341042 DOI: 10.1016/j.biopha.2020.111136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 08/14/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND/AIMS Colon cancer remains a life-threating disease with increasing morbidity and mortality worldwide despite the advancement in modern medical treatment. Therefore, novel and effective anti-colon cancers drugs are urgently needed. In this study, we investigated the anti-metastatic property EnDuo, a modified version of Endostar, and the underlying mechanisms. METHODS Colon cancer cells were treated with different concentrations of EnDuo (50 μg/mL, 100 μg/mL, 200 μg/mL), and Endostar (100 μg/mL) as positive control. Cell Counting Kit-8 assay was performed to test the effect of EnDuo on cell viability. A scratch wound assay and transwell assay were employed to evaluate the relocation and motility of malignant colon cells following treatment with EnDuo. Western blot analysis was used to determine inhibitory effects of EnDuo by detecting the phosphorylation level of AKT and ERK proteins, and the expression of MMP-2 and MMP-9 proteins. RESULTS Our results showed that EnDuo impedes the migration of colon cancer cells in a dose-dependent manner. At the molecular level, EnDuo induced a significant reduction in the phosphorylation of AKT and ERK proteins, and inhibited the expression of MMP-2 and MMP-9 proteins. CONCLUSIONS Collectively, these results demonstrate that EnDuo exhibits a comparable anti-metastatic effect by suppressing the migration of colon cancer cells. Possibly, EnDuo interrupts the PI3K/AKT/ERK signaling pathway to arrest cell migration. Our study provides a novel insight to the potential clinical applications of EnDuo against colon cancers in the future.
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Affiliation(s)
- Elina Idiiatullina
- Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou, 510623, China; Department of Therapy and Nursing, Bashkir State Medical University, Ufa, 450008, Russia; Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150081, China.
| | - Mahmoud Al-Azab
- Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou, 510623, China
| | - Williams Walana
- Department of Clinical Microbiology, School of Medicine and Health Sciences, University for Development Studies, Tamale, Ghana
| | - Valentin Pavlov
- Department of Therapy and Nursing, Bashkir State Medical University, Ufa, 450008, Russia
| | - Bingrong Liu
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150081, China; Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
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Wang Y, Jie L, Gong H, Li Y, Xie A, Li Y, Guo H. miR-30 inhibits proliferation of trophoblasts in preeclampsia rats partially related to MAPK/ERK pathway. Exp Ther Med 2020; 20:1379-1384. [PMID: 32742372 PMCID: PMC7388335 DOI: 10.3892/etm.2020.8866] [Citation(s) in RCA: 4] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 04/01/2020] [Indexed: 12/15/2022] Open
Abstract
Effect of micro ribonucleic acid (miR)-30 on the proliferation of trophoblasts in preeclampsia (PE) rats through the mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase (ERK) pathway was studied. The miR-30 mimic was transfected into the trophoblast HTR8/SVNEO cell lines. The effects of expression level of miR-30 on the proliferation and hypoxia-induced apoptosis of HTR8/SVNEO cells were detected via methyl thiazolyl tetrazolium (MTT) assay and Annexin V/propidium iodide staining, respectively, using the flow cytometer. A total of 30 pregnant Sprague-Dawley rats were randomly divided into control group (CTL group, n=10), PE rat group (PE group, n=10) and PE + miR-30 Mimic group (PE+agomiR-30 group, n=10) using a random number table. The protein expression levels of phosphorylated ERK (p-ERK)1/2, ERK1/2, proliferating cell nuclear antigen (PCNA) and tubulin were determined using western blot analysis, and the mRNA expression level of ERK1/2 was detected via reverse transcription-quantitative polymerase chain reaction (RT-qPCR). The expression level of PCNA in tissues was detected via immunohistochemistry. The results of MTT assay showed that the proliferation of HTR8/SVNEO cells significantly declined in hypoxic environment, while miR-30 promoted the proliferation of HTR8/SVNEO cells and alleviated the hypoxia-induced inhibition on cell proliferation. It was found that the trophoblast apoptosis rate was increased in hypoxia group compared with that in CTL group, while it was significantly decreased in miR-30 Mimic group compared with that in hypoxia group. PE group had obviously decreased p-ERK and PCNA expression levels as well as p-ERK/ERK ratio in placental tissues compared with CTL group, while PE+agomiR-30 group had an obviously increased expression level of PCNA as well as p-ERK/ERK ratio in placental tissues compared with PE group. MiR-30 activates the MAPK/ERK signaling pathway and increases the expression level of PCNA through raising the p-ERK level and p-ERK/ERK ratio, thereby inhibiting cell apoptosis and promoting cell proliferation.
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Affiliation(s)
- Yufeng Wang
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
| | - Luo Jie
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
| | - Haifeng Gong
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
| | - Yuqin Li
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
| | - Anxia Xie
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
| | - Yanjun Li
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
| | - Hong Guo
- Department of Gynaecology and Obstetrics, Qinghai Provincial People's Hospital, Xining, Qinghai 810007, P.R. China
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Salarinasab S, Salimi L, Alidadiani N, Shokrollahi E, Arzhanga P, Karbasforush S, Marofi F, Nasirzadeh M, Rahbarghazi R, Nourazarian A, Nikanfar M. Interaction of opioid with insulin/IGFs signaling in Alzheimer's disease. J Mol Neurosci 2020; 70:819-834. [PMID: 32026387 DOI: 10.1007/s12031-020-01478-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 01/09/2020] [Indexed: 12/21/2022]
Abstract
Alzheimer's disease is associated with biochemical and histopathological changes characterized by molecular abnormalities. Due to the lack of effective treatments for Alzheimer's disease, many attempts have been made to find potential therapies to reduce or even return neuronal loss after disease initiation. Alzheimer's disease is also touted as type III diabetes, showing an association with insulin signaling. The large distribution of the insulin receptor on the cell surface and its regulatory role in the central nervous system suggests that the pathogenesis of Alzheimer's disease could be ascribed to insulin signaling. The interference of opioids, such as morphine with insulin signaling pathways, is thought to occur via direct crosstalk between the signaling pathways of the insulin receptor and the mu-opioid receptor. In this review article, we discuss the possible crosstalk between the mu-opioid receptor and insulin signaling pathways. The association of these two signaling pathways with Alzheimer's disease is also debated.
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Affiliation(s)
- Sadegh Salarinasab
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran
| | - Leila Salimi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Alidadiani
- Department of Cardiac Surgery, Friedrich-Alexander-University Erlangen-Nürnberg, Krankenhausstr. 12, 91054, Erlangen, Germany
| | - Elhameh Shokrollahi
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran
| | - Pishva Arzhanga
- Department of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saedeh Karbasforush
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran
| | - Faroogh Marofi
- Department of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahdieh Nasirzadeh
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Imam Reza St, Golgasht St, Tabriz, 51666-14756, Iran.
| | - Alireza Nourazarian
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran.
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Golgasht St, Tabriz, 51666-16471, Iran.
| | - Masoud Nikanfar
- Department of Neurology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Kim H, Jang JH, Song YE, Seo T. Kaposi's sarcoma-associated herpesvirus viral protein kinase phosphorylates extracellular signal-regulated kinase and activates MAPK/ERK signaling pathway. Biochem Biophys Res Commun 2020; 521:1083-8. [PMID: 31733836 DOI: 10.1016/j.bbrc.2019.11.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 11/05/2019] [Indexed: 10/25/2022]
Abstract
Open reading frame 36 (ORF36) of Kaposi's sarcoma-associated herpesvirus (KSHV) encodes a serine/threonine-type viral protein kinase (vPK). Previous studies have examined the functions of KSHV vPK; however, its role in the activation of extracellular signal-regulated kinase (ERK1/2) has not yet been described to date. Using HEK 293 cell lines, we performed a human phospho-kinase array analysis to screen for MAPK signaling pathways kinases that are activated by KSHV vPK. In addition, we investigated the regulator protein phosphorylation of up/downstream ERK1/2 pathway; nuclear translocation of phosphorylated ERK1/2; and regulation of transcription factor, inflammatory cytokine, and pro-/anti-apoptotic factor by KSHV vPK transfection. Here, we demonstrated that KSHV vPK activates ERK1/2 signaling pathway and plays an important role in the activation of MAPK/ERK signaling pathway.
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Dou X, Wei X, Liu G, Wang S, Lv Y, Li J, Ma Z, Zheng G, Wang Y, Hu M, Yu W, Zhao D. Effect of porous tantalum on promoting the osteogenic differentiation of bone marrow mesenchymal stem cells in vitro through the MAPK/ERK signal pathway. J Orthop Translat 2019; 19:81-93. [PMID: 31844616 PMCID: PMC6896724 DOI: 10.1016/j.jot.2019.03.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/02/2019] [Accepted: 03/18/2019] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND As an ideal new graft material, porous tantalum (pTa) has excellent mechanical properties and corrosion resistance and has received increased attention in the biomedical field because of its excellent cytocompatibility and ability to induce bone formation. However, the molecular mechanism of its potential to promote osteogenesis remains unclear, and very few reports have been published on this topic. METHODS In this study, we first produced porous Ti6Al4V (pTi6Al4V) and pTa with the same pore size by three-dimensional printing combined with chemical vapour deposition. The number of adhesions between pTa and pTi6Al4V and bone marrow mesenchymal stem cells (BMSCs) after 1 day of culture was detected by the live/dead cell staining method. The proliferation activity of the two groups was determined after culture for 1, 3, 5 and 7 days by the cell counting kit-8 method. In addition, the osteogenic activity, mRNA expression levels of osteogenic genes alkaline phosphatase (ALP), osterix (OSX), collagen-I (Col-I), osteonectin (OSN) and osteocalcin (OCN) and protein expression levels of the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signalling pathway marker p-ERK of the two groups cultured for 7, 14 and 21 days were determined by the ALP activity assay, real-time quantitative polymerase chain reaction (Q-PCR) and Western blotting, respectively. Subsequently, the two groups were treated with the MAPK/ERK-specific inhibitor U0126, and then, the mRNA expression levels of osteogenic genes and protein expression levels of p-ERK in the cultures were determined by Q-PCR and Western blotting, respectively. RESULTS The live/dead cell staining and cell counting kit-8 assays showed that the adhesion and proliferation activities of BMSCs on pTa were significantly better than those on pTi6Al4V. In addition, the ALP activity assay and Q-PCR showed that pTa harboured osteogenic activity and that the osteogenic genes ALP, OSX, Col-I, OSN and OCN were highly expressed, and by Western blotting, the expression of p-ERK protein in the pTa group was also significantly higher than that in the pTi6Al4V group. Subsequently, using the MAPK/ERK-specific inhibitor U0126, Western blotting showed that the expression of p-ERK protein was significantly inhibited and that there was no difference between the two groups. Furthermore, Q-PCR showed that osteogenic gene expression and ALP expression levels were significantly increased in the pTa group, and there were no differences in the OSX, Col-I, OSN and OCN mRNA expression levels between the two groups. CONCLUSION Overall, our research found that compared with the widely used titanium alloy materials, our pTa can promote the adhesion and proliferation of BMSCs, and the molecular mechanism of pTa may occur via activation of the MAPK/ERK signalling pathway to regulate the high expression of OSX, Col I, OSN and OCN osteogenic genes and promote the osteogenic differentiation of BMSCs in vitro. The translational potential of this article : Our self-developed pTa material produced by three-dimensional printing combined with the chemical vapour deposition method not only retains excellent biological activity and osteoinductive ability of the original tantalum metal but also saves considerably on material costs to achieve mass production of personalised orthopaedic implants with pTa as a stent and to accelerate the wide application of pTa implants in clinical practice, which have certain profound significance.
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Affiliation(s)
- Xiaojie Dou
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Xiaowei Wei
- Laboratory of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Ge Liu
- Laboratory of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Shuai Wang
- Department of Orthopedics, Binzhou People's Hospital, Binzhou, Shandong, China
| | - Yongxiang Lv
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Junlei Li
- Laboratory of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Zhijie Ma
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Guoshuang Zheng
- Laboratory of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Yikai Wang
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Minghui Hu
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Weiting Yu
- Laboratory of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
| | - Dewei Zhao
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China
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Wang Y, Guo B, Xiao Z, Lin H, Zhang X, Song Y, Li Y, Gao X, Yu J, Shao Z, Li X, Luo Y, Li S. Long noncoding RNA CCDC144NL-AS1 knockdown induces naïve-like state conversion of human pluripotent stem cells. Stem Cell Res Ther 2019; 10:220. [PMID: 31358062 PMCID: PMC6664583 DOI: 10.1186/s13287-019-1323-9] [Citation(s) in RCA: 5] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 06/18/2019] [Accepted: 07/02/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Human naïve pluripotency state cells can be derived from direct isolation of inner cell mass or primed-to-naïve resetting of human embryonic stem cells (hESCs) through different combinations of transcription factors, small molecular inhibitors, and growth factors. Long noncoding RNAs (lncRNAs) have been identified to be crucial in diverse biological processes, including pluripotency regulatory circuit of mouse pluripotent stem cells (PSCs), but few are involved in human PSCs' regulation of pluripotency and naïve pluripotency derivation. This study initially planned to discover more lncRNAs possibly playing significant roles in the regulation of human PSCs' pluripotency, but accidently identified a lncRNA whose knockdown in human PSCs induced naïve-like pluripotency conversion. METHODS Candidate lncRNAs tightly correlated with human pluripotency were screened from 55 RNA-seq data containing human ESC, human induced pluripotent stem cell (iPSC), and somatic tissue samples. Then loss-of-function experiments in human PSCs were performed to investigate the function of these candidate lncRNAs. The naïve-like pluripotency conversion caused by CCDC144NL-AS1 knockdown (KD) was characterized by quantitative real-time PCR, immunofluorescence staining, western blotting, differentiation of hESCs in vitro and in vivo, RNA-seq, and chromatin immunoprecipitation. Finally, the signaling pathways in CCDC144NL-AS1-KD human PSCs were examined through western blotting and analysis of RNA-seq data. RESULTS The results indicated that knockdown of CCDC144NL-AS1 induces naïve-like state conversion of human PSCs in the absence of additional transcription factors or small molecular inhibitors. CCDC144NL-AS1-KD human PSCs reveal naïve-like pluripotency features, such as elevated expression of naïve pluripotency-associated genes, increased developmental capacity, analogous transcriptional profiles to human naïve PSCs, and global reduction of repressive chromatin modification marks. Furthermore, CCDC144NL-AS1-KD human PSCs display inhibition of MAPK (ERK), accumulation of active β-catenin, and upregulation of some LIF/STAT3 target genes, and all of these are concordant with previously reported traits of human naïve PSCs. CONCLUSIONS Our study unveils an unexpected role of a lncRNA, CCDC144NL-AS1, in the naïve-like state conversion of human PSCs, providing a new perspective to further understand the regulation process of human early pluripotency states conversion. It is suggested that CCDC144NL-AS1 can be potentially valuable for future research on deriving higher quality naïve state human PSCs and promoting their therapeutic applications.
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Affiliation(s)
- Yingying Wang
- Stem Cell Translational Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Baosen Guo
- College of Life Sciences, Nanchang University, Nanchang, 330031, China
| | - Zengrong Xiao
- College of Life Sciences, Nanchang University, Nanchang, 330031, China
| | - Haijun Lin
- College of Life Sciences, Nanchang University, Nanchang, 330031, China
| | - Xi Zhang
- Stem Cell Translational Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Yueqiang Song
- Stem Cell Translational Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Yalei Li
- College of Life Sciences, Nanchang University, Nanchang, 330031, China
| | - Xuehu Gao
- College of Life Sciences, Nanchang University, Nanchang, 330031, China
| | - Jinjun Yu
- College of Life Sciences, Nanchang University, Nanchang, 330031, China
| | - Zhihua Shao
- Stem Cell Translational Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Xuekun Li
- The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Yuping Luo
- Stem Cell Translational Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China. .,Human Aging Research Institute and School of Life Science, Nanchang University, Nanchang, 330031, China.
| | - Siguang Li
- Stem Cell Translational Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China. .,Collaborative Innovation Center for Brain Science, Tongji University, Shanghai, 200092, China.
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Geng K, Wang J, Liu P, Tian X, Liu H, Wang X, Hu C, Yan H. Electrical stimulation facilitates the angiogenesis of human umbilical vein endothelial cells through MAPK/ERK signaling pathway by stimulating FGF2 secretion. Am J Physiol Cell Physiol 2019; 317:C277-C286. [PMID: 30995109 DOI: 10.1152/ajpcell.00474.2018] [Citation(s) in RCA: 19] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Electrical stimulation (ES) is able to enhance angiogenesis by stimulating fibroblasts. Fibroblast growth factor 2 (FGF2) is an independent angiogenesis inducer. The present study aimed to evaluate the role of ES-induced FGF2 secretion in affecting angiogenesis during wound healing via the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway. Fibroblasts and human umbilical vein endothelial cells (HUVECs) were exposed to ES, and the HUVECs were cocultured with ES-treated fibroblast culture solution. ES exposure showed no toxic effects on fibroblasts or HUVECs. ES led to enhanced growth of fibroblasts and HUVECs as well as FGF2 secretion, which is induced through the NOS pathway. ES-induced FGF2 secretion was shown to increase vascular endothelial growth factor (VEGF) protein and enhance migration, invasion, and angiogenesis of HUVECs. Also, ES-induced FGF2 secretion activated the MAPK/ERK signaling pathway. However, inhibition of the MAPK/ERK signaling pathway reversed the positive effects of ES-induced FGF2 secretion. In vitro experiments showed positive effects of ES on wound healing. Taken together, the findings suggested that ES promoted FGF2 secretion and then activated the MAPK/ERK signaling pathway by facilitating angiogenesis and promoting wound healing.
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Affiliation(s)
- Kang Geng
- Department of Burns and Plastic Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jing Wang
- Southwest Petroleum University College of Mechanical and Electrical Engineering, Chengdu, China
| | - Pengfei Liu
- Department of Orthopedics, Aerospace 731 Hospital, Beijing,China
| | - Xinli Tian
- Department of Burns and Plastic Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Hongjun Liu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xue Wang
- Department of Burns and Plastic Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Chunbing Hu
- Department of Plastic Surgery, Yuehao Medical Beauty Hospital, Chengdu, China
| | - Hong Yan
- Department of Burns and Plastic Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
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Lu S, Xu Q. MicroRNA-23a inhibits melanoma cell proliferation, migration, and invasion in mice through a negative feedback regulation of sdcbp and the MAPK/ERK signaling pathway. IUBMB Life 2018; 71:587-600. [PMID: 30589231 DOI: 10.1002/iub.1979] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [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: 04/04/2018] [Revised: 10/23/2018] [Accepted: 11/10/2018] [Indexed: 12/15/2022]
Abstract
Melanoma is the main cause of death associated with skin cancer. Surgical resection and adjuvant therapy are currently effective treatments, but the recurrence rate is very high. The understanding of microRNA (miR) dynamics after surgical resection of melanoma is essential to accurately explain the changes in the recurrence of melanoma. In this study, we hypothesized that microRNA-23a (miR-23a) affects the cell proliferation, migration, and invasion of melanoma with a mechanism related to SDCBP and the MAPK/ERK signaling pathway. To validate this, we performed a series of experiments in cells of melanoma modeled. Initially, positive expression of SDCBP and morphology of normal and melanoma tissues and cells were observed. Expression of miR-23a, SDCBP, and MAPK/ERK signaling pathway-related genes was identified in melanoma tissues. Melanoma cells transfected with mimic or inhibitor of miR-23a or si-SDCBP were detected to validate effect of miR-23a on SDCBP and the MAPK/ERK signaling pathway. MTT assay, scratch test, transwell assay, and flow cytometry were performed to evaluate cell viability, invasion, metastasis, and apoptosis in vitro, respectively. Tumorigenicity assay in nude mice was conducted to test the tumorigenesis of the transfected cells in vivo. High positive expression of SDCBP and abnormal morphology were observed in melanoma tissues and cells. Reduced expression of miR-23a and increased expression of SDCBP and MAPK/ERK signaling pathway-related genes were identified in the melanoma tissues of melanoma mice. Overexpressed miR-23a dampened SDCBP and the MAPK/ERK signaling pathway. The melanoma cells with overexpressed miR-23a presented ascended cell apoptosis and descended cell proliferation, migration, invasion as well as tumor size. Taken together, our study demonstrated that miR-23a could inhibit the development of melanoma in mice through a negative feedback regulation of SDCBP and the MAPK/ERK signaling pathway. © 2018 IUBMB Life, 71(5):587-600, 2019.
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Affiliation(s)
- Shelian Lu
- Department of Neurobiology, Beijing Institute for Brain Disorders, Beijing Center of Neural Regeneration and Repair, Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Capital Medical University, Beijing, China
| | - Qunyuan Xu
- Department of Neurobiology, Beijing Institute for Brain Disorders, Beijing Center of Neural Regeneration and Repair, Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Capital Medical University, Beijing, China
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Ye CY, Zheng CP, Ying WW, Weng SS. Up-regulation of microRNA-497 inhibits the proliferation, migration and invasion but increases the apoptosis of multiple myeloma cells through the MAPK/ERK signaling pathway by targeting Raf-1. Cell Cycle 2018; 17:2666-2683. [PMID: 30382763 PMCID: PMC6343711 DOI: 10.1080/15384101.2018.1542895] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Multiple myeloma (MM) is a cancer that occurs in plasma cells, which fall under the category of white blood cells that are in charge of antibody production. According to previous studies, microRNA-497 (miR-497) functions as a tumor suppressor in several types of cancer, including gastric cancer and colorectal cancer. Therefore, the present study aims to investigate the effects of miR-497 on cellular function of human MM cells through the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway by targeting Raf-1. The differentially expressed genes and miRs in MM, and the relationship between the miR and gene were verified. It was found that Raf-1 was a target gene of miR-497. The data obtained from MM tissues showed increased Raf-1 level and decreased miR-497 level. MM cells were treated with mimic, inhibitor and siRNA in order to evaluate the role of miR-497, Raf-1 and MAPK/ERK in MM. The expression pattern of miR-497, Raf-1, ERK1/2, survivin, B-cell lymphoma-2 (Bcl-2) and BCL2-Associated X (Bax) as well as the extent of ERK1/2 phosphorylation were determined. Retored miR-497 and si-Raf-1 resulted in increases in the Bax expression and cell apoptosis and decreases in the expressions of Raf-1, MEK-2, survivin, Bcl-2, along with the extent of ERK1/2 phosphorylation. In addition, the biological function evaluations of MM cells revealed that miR-497 mimic or si-Raf-1 led to suppression in cell proliferation, invasion and migration. In conclusion, our results have demonstrated that miR-497 targets Raf-1 in order to inhibit the progression of MM by blocking the MAPK/ERK signaling pathway.
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Affiliation(s)
- Cheng-Yu Ye
- a Department of Hematologic Oncology , Wenzhou Central Hospital, Dingli Clinical Medical School of Wenzhou Medical University , Wenzhou , P.R. China
| | - Cui-Ping Zheng
- a Department of Hematologic Oncology , Wenzhou Central Hospital, Dingli Clinical Medical School of Wenzhou Medical University , Wenzhou , P.R. China
| | - Wei-Wei Ying
- b Wenzhou Medical University , Wenzhou , P.R. China
| | - Shan-Shan Weng
- a Department of Hematologic Oncology , Wenzhou Central Hospital, Dingli Clinical Medical School of Wenzhou Medical University , Wenzhou , P.R. China
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Shen MJ, Wang GG, Wang YZ, Xie J, Ding X. Nell-1 Enhances Osteogenic Differentiation of Pre-Osteoblasts on Titanium Surfaces via the MAPK-ERK Signaling Pathway. Cell Physiol Biochem 2018; 50:1522-1534. [PMID: 30359975 DOI: 10.1159/000494651] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [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: 12/04/2017] [Accepted: 10/18/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS This study aimed to investigate the effect of Nell-1 on the osteogenic behaviors of pre-osteoblasts on titanium (Ti) surfaces and to identify the underlying signaling pathway. METHODS Nell-1 at different concentrations was added to culture medium to stimulate MC3T3-E1 subclone 14 on Ti surfaces. A CCK-8 colorimetric assay was used to detect cell proliferation. Alkaline phosphatase activity (ALP) assay and enzyme-linked immunosorbent assay (ELISA) were used to evaluate ALP activity and the osteocalcin (OCN) secretion, respectively. Indicators of osteoblastic differentiation were assessed using real-time polymerase chain reaction analysis (RT-PCR). Western blot (WB) assay was used to analyze the expression changes of the osteogenic proteins and the mitogen-activated protein kinase (MAPK) pathway. RESULTS Nell-1 significantly increased the osteogenic gene and protein expression levels of ALP, OCN, Runx2, osteoprotegerin (OPG), collagen type I (Col-I), and Osterix (Osx) in pre-osteoblasts on Ti surfaces. The optimal concentration of Nell-1 was 100 ng/ ml. In addition, Nell-1 activated ERK and JNK, but not P38, in MC3T3-E1 cells on the Ti surface. Except for ALP and Col-I, the promotive effects of Nell-1 on the expression of osteogenic markers were suppressed by ERK inhibitor U0126. CONCLUSION Certain concentrations of Nell-1 can promote the osteogenic differentiation of pre-osteoblasts on Ti surfaces by activating the MAPK/ERK signaling pathway.
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Affiliation(s)
- Mei-Jie Shen
- Department of Stomatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Department of Stomatology, the First People's Hospital of Tongxiang, Jiaxing, China
| | - Ge-Ge Wang
- Department of Stomatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yu-Zhen Wang
- Department of Stomatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jing Xie
- Department of Stomatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xi Ding
- Department of Stomatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou,
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Fu Y, Liu X, Chen Q, Liu T, Lu C, Yu J, Miao Y, Wei J. Downregulated miR-98-5p promotes PDAC proliferation and metastasis by reversely regulating MAP4K4. J Exp Clin Cancer Res 2018; 37:130. [PMID: 29970191 PMCID: PMC6029016 DOI: 10.1186/s13046-018-0807-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 06/23/2018] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND The aberrant expression of microRNAs (miRNAs) has emerged as important hallmarks of cancer. However, the molecular mechanisms underlying the differences of miRNA expression remain unclear. Many studies have reported that miR-98-5p plays vital functions in the development and progression of multiple cancers. However, its role in pancreatic ductal adenocarcinoma (PDAC) remains unknown. METHODS The expression of miR-98-5p and its specific target gene were determined in human PDAC specimens and cell lines by miRNA qRT-PCR, qRT-PCR and western blot. The effects of miR-98-5p depletion or ectopic expression on PDAC proliferation, migration and invasion were evaluated in vitro using CCK-8 proliferation assays, colony formation assays, wound healing assays and transwell assays. Furthermore, the in vivo effects were investigated using the mouse subcutaneous xenotransplantation and pancreatic tail xenotransplantation models. Luciferase reporter assays were employed to identify interactions between miR-98-5p and its specific target gene. RESULTS MiR-98-5p expression was significantly lower in cancerous tissues and associated with tumor size, TNM stage, lymph node metastasis and survival. Notably, a series of gain- and loss-of-function assays elucidated that miR-98-5p suppressed PDAC cell proliferation, migration and invasion both in vitro and in vivo. Luciferase reporter assays, western blot and qRT-PCR revealed MAP4K4 to be a direct target of miR-98-5p. The effects of ectopic miR-98-5p were rescued by MAP4K4 overexpression. In contrast, the effects of miR-98-5p depletion were impaired by MAP4K4 knockdown. Furthermore, miR-98-5p suppressed the MAPK/ERK signaling pathway through downregulation of MAP4K4. In addition, the expression level of miR-98-5p was negatively correlated with MAP4K4 expression in PDAC tissues and cell lines. CONCLUSIONS These results suggest that downregulation of miR-98-5p promotes tumor development by downregulation of MAP4K4 and inhibition of the downstream MAPK/ERK signaling, thus, highlighting the potential of miR-98-5p as a therapeutic target for PDAC.
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Affiliation(s)
- Yue Fu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
- Department of General Surgery, The Affiliated Changzhou NO.2 People’s Hospital With Nanjing Medical University, 68 Gehu Road, Changzhou, Jiangsu Province, People’s Republic of China
| | - Xinchun Liu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
| | - Qiuyang Chen
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
| | - Tongtai Liu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
| | - Cheng Lu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
| | - Jun Yu
- Department of Surgery, Johns Hopkins Medical Institutions, 600 N Wolfe Street, Baltimore, MD USA
| | - Yi Miao
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
| | - Jishu Wei
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, People’s Republic of China
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30
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Li ZH, Li L, Kang LP, Wang Y. Retracted: MicroRNA-92a promotes tumor growth and suppresses immune function through activation of MAPK/ERK signaling pathway by inhibiting PTEN in mice bearing U14 cervical cancer. Cancer Med 2018; 7:3118-3131. [PMID: 29752775 PMCID: PMC6051186 DOI: 10.1002/cam4.1329] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [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: 07/03/2017] [Revised: 12/07/2017] [Accepted: 12/14/2017] [Indexed: 12/13/2022] Open
Abstract
Cervical cancer is known as the possible outcome of genital infection, while the molecular mechanisms of initiation, development, and metastasis of cervical cancer have not yet been fully elucidated. Our study aims to investigate the effects of microRNA-92a (miR-92a) on tumor growth and immune function by targeting PTEN via the MAPK/ERK signaling pathway in tumor-bearing mice. C57BL/6 female mice were used for tumor-bearing mouse models and their tumor and adjacent normal tissues were collected, and normal cervical tissues were obtained from normal mice. Serum levels of tumor necrosis factor-α (TNF-α) and soluble interleukin-2 receptor (sIL-2R) were detected by ELISA. The cells were divided into the normal, blank, negative control (NC), miR-92a mimic, miR-92a inhibitor, siRNA-PTEN, and miR-92a inhibitor + siRNA-PTEN groups. Dual-luciferase reporter assay was adopted to determine the relationship between PTEN and miR-92a. Expressions of miR-92a, PTEN, TNF-α, sIL-2R, ERK1, and ERK2 were tested by RT-qPCR and Western blotting. Cell proliferation was detected by cell count kit-8 (CCK-8); cell cycle and apoptosis were detected by flow cytometry. Compared with the normal cervical tissues and adjacent normal tissues, the cervical cancer tissues exhibited increased expressions of miR-92a, p-ERK1/2, and serum levels of TNF-α and sIL-2R while decreased PTEN expression. PTEN was confirmed to be the target gene of miR-92a. As compared with the blank and NC groups, expressions of miR-92a, ERK1 and ERK2 increased, and expressions of PTEN decreased in the miR-92a mimic group. The miR-92a mimic group exhibited increased expression levels of TNF-α and sIL-2R, cell proliferation, and cell number in S phase but decreased cell apoptosis, and cell number in G0/G1 phase, while the miR-92a inhibitor group followed opposite trends. miR-92a promotes tumor growth and suppresses immune function by inhibiting PTEN via activation of the MAPK/ERK signaling pathway in mice bearing U14 cervical cancer.
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Affiliation(s)
- Zeng-Hui Li
- Department of Obstetrics and Gynecology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, China
| | - Lei Li
- Department of Obstetrics and Gynecology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, China
| | - Lin-Ping Kang
- Department of Obstetrics and Gynecology, Qingdao Municipal Hospital, Qingdao, 266071, China
| | - Yan Wang
- Department of Obstetrics, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, P.R., China
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Liu W, Song Y, Zhang C, Gao P, Huang B, Yang J. The protective role of all-transretinoic acid (ATRA) against colorectal cancer development is achieved via increasing miR-3666 expression and decreasing E2F7 expression. Biomed Pharmacother 2018; 104:94-101. [PMID: 29772445 DOI: 10.1016/j.biopha.2018.05.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [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: 03/21/2018] [Revised: 05/04/2018] [Accepted: 05/07/2018] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE Colorectal cancer (CRC) is one of the most common malignancies with high morbidity and mortality rates worldwide. This study aimed to investigate whether miR-3666 was involved in inhibitory effects of all-transretinoic acid (ATRA) on the development of colorectal cancer (CRC). MATERIAL AND METHODS Surgical specimens of CRC tissues and adjacent non-tumor mucosa were collected for determining miR-3666 expression. Human CRC HCT116 cells were treated with different doses of ATRA (10, 20, 40, and 60 μM, respectively) and/or transfected with miR-3666 mimic, miR-3666 inhibitor, E2F7 siRNAs or their controls, respectively. After different treatments, cell viability, apoptosis, migration and invasion were detected. The regulatory relationship between miR-3666 and E2F7 was investigated. Furthermore, the association between MAPK/ERK pathway and ATRA or miR-3666/E2F7 was explored. RESULTS The miR-3666 was lowly expressed in CRC tissues, while E2F7 was highly expressed. ATRA decreased HCT116 cell viability, migration, and invasion, and induced apoptosis, indicating that ATRA inhibited the malignant behaviors of HCT116 cells. Moreover, ATRA increased miR-3666 expression, and effects of ATRA on the malignant behaviors of HCT116 cells were achieved by positive regulating miR-3666 expression. Furthermore, E2F7 was a target gene of miR-3666, and knockdown of E2F7 reversed the combined effects of ATRA and miR-3666 inhibitor on the malignant behaviors of HCT116 cells. Besides, ATRA inhibited the activation of MAPK/ERK signaling pathway, which was reversed by inhibition of miR-3666. CONCLUSIONS Our results reveal that ATRA protects against CRC development possible via increasing miR-3666 expression and decreasing E2F7 expression. MiR-3666/E2F7 may play a key role in regulating the inhibitory effects of ATRA on HCT116 cells via suppressing the activation of MAPK/ERK signaling pathway.
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Affiliation(s)
- Weihong Liu
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical Research and Development, Dali University, Dali, Yunnan, 671000, China; The Libraries of Dali University, Dali, Yunnan, 671003, China
| | - Yanqiu Song
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical Research and Development, Dali University, Dali, Yunnan, 671000, China
| | - Chenggui Zhang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical Research and Development, Dali University, Dali, Yunnan, 671000, China
| | - Pengfei Gao
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical Research and Development, Dali University, Dali, Yunnan, 671000, China
| | - Bisheng Huang
- Department of Agriculture and biological Science, Dali University, Dali, Yunnan, 671003, China
| | - Jianfang Yang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical Research and Development, Dali University, Dali, Yunnan, 671000, China; School of Foreign Languages, Dali University, Dali, Yunnan, 671003, China.
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Sun Y, Lan M, Chen X, Dai Y, Zhao X, Wang L, Zhao T, Li Y, Zhu J, Zhang X, Jiang H, Wu X, Chen C, Zhang T, Yan Z. Anti-invasion and anti-metastasis effects of Valjatrate E via reduction of matrix metalloproteinases expression and suppression of MAPK/ERK signaling pathway. Biomed Pharmacother 2018; 104:817-824. [PMID: 29703569 DOI: 10.1016/j.biopha.2018.04.136] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [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: 11/23/2017] [Revised: 04/16/2018] [Accepted: 04/17/2018] [Indexed: 12/11/2022] Open
Abstract
Valjatrate E is an iridoid compound extracted from Valeriana jatamansi Jones herb and is the active ingredient in antitumor activity. Here, we reported its action on tumor invasion and metastasis in the human hepatocellular carcinoma HepG2, aiming at a better understanding of the potential mechanism of action of Valjatrate E. HepG2 cells were treated with Valjatrate E at different concentrations. Wound healing assay and transwell chamber assay were used to determine the effects of Valjatrate E on the migration and invasiveness of HepG2 cells, respectively. Moreover, homogeneity and heterotypic adhesion experiments evaluated the adhesion property of HepG2 cells. The molecular mechanisms by which Valjatrate E inhibited the invasion and migration of HepG2 cells were investigated by gelatin zymography experiment and western blot. Treatment with Valjatrate E inhibited the migration and invasion of HepG2 cells. It achieved this by reducing the expression of matrix metalloprotease 2 (MMP-2) and matrix metalloprotease 9 (MMP-9), by inhibition of heterogeneous adhesion ability, by blocking mitogen-activated protein kinase (MAPK) signaling via inhibiting the phosphorylation of extracellular signal-regulated kinases (p-ERK). Taken together, these findings provide new evidence that mitogen-activated protein kinase/extracellular signal regulated kinase (MAPK/ERK) signaling pathway plays an important role in promoting invasion and metastasis in HepG2 cells through p-ERK, and MAPK/ERK signaling pathway may be a therapeutic target for tumor.
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Affiliation(s)
- Yong Sun
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - Ming Lan
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - Xiu Chen
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - Yaolan Dai
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - XiaoQin Zhao
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - LiWen Wang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - TingTing Zhao
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - YongBiao Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - Jiali Zhu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - Xuemei Zhang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - HeZhong Jiang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - XiaoQing Wu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
| | - Chang Chen
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, PR China.
| | - Tiane Zhang
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China.
| | - Zhiyong Yan
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, PR China.
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Hu J, Dai N, Xu BY, Zhou FL, Lin T, Luo JJ, Fan JY, He YC. [Inhibition of Yiqi Jiedu formula on proliferation of nasopharyngeal carcinoma cells by MAPK/ERK signaling pathway]. Zhongguo Zhong Yao Za Zhi 2018; 43:1221-1227. [PMID: 29676132 DOI: 10.19540/j.cnki.cjcmm.20180104.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Indexed: 11/18/2022]
Abstract
To study the effect of aqueous extracts of Yiqi Jiedu formula (YQ) on the proliferation of CNE2 cells in human nasopharyngeal carcinoma, and investigate its mechanism to provide a new theoretical basis for the clinical application of YQ. CNE2 cells were treated with different concentrations (0.125, 0.25, 0.5, 0.25 g·L⁻¹) of YQ, positive control medicine (cisplatin 4.0 mg·L⁻¹), inhibitor PD98059 (50 μmol·L⁻¹), activator isoproterenol hydrochloride (20 μmol·L⁻¹), activator isoproterenol hydrochloride (ISO)+YQ 0.5 g·L⁻¹. Then cell labeling by using real-time analyzer (RTCA) and CCK 8 method were used to detect cell proliferation activity, and the half inhibitory concentration (IC₅₀) was calculated. The cell cycle distribution was detected by fluorescence double dye flow cytometry PI staining, and Western blot method was used to detect the expression levels of related protein and MAPK/ERK signaling pathway. The results of RTCA and CCK-8 test showed that as compared with the control group, YQ group could effectively inhibit the proliferation of CNE2 cells (P<0.01), with a dose and time dependence, and 48 h IC₅₀ value was 0.5 g·L⁻¹. The results of cell cycle showed that after 48 h of water extract treatment, the cell cycle was significantly changed, the proportion of G₀/G₁ was reduced, the ratio of G₂/M increased, and the cell cycle was in G₂/M period (P<0.01). Western blot results showed that after 48 h treatment with different concentrations of aqueous extract, cell cycle-related proteins cyclinD1, cyclinD3 and CDK2 expression levels were down-regulated; MAPK/ERK signaling pathway related protein p-c-Raf, p-MEK, p-ERK1/2 expression level significantly lower as compared with the control group (P<0.05). After adding activator and inhibitor in MAPK/ERK signaling pathway on this basis, the results showed that after adding activator ISO, cell proliferation was significantly higher than that in the Control group; the cycle related proteins cyclinD1, cyclinD3, and CDK2 expression levels were increased; at the same time, key protein p-c-Raf, p-MEK, p-ERK1/2 expression levels in the signal pathways were relatively increased. While after the addition of inhibitor PD98059, the cell proliferation was significantly lower than that in the Control group, and the expression level of corresponding protein was decreased, which was significantly different from the Control group (P<0.05). So YQ could block cell cycle and inhibit the proliferation of CNE2 cells mainly by reducing the expression of MAPK/ERK signaling pathway key protein p-c-Raf, p-MEK and p-ERK1/2.
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Affiliation(s)
- Jing Hu
- Post-Graduate School, Hunan University of Chinese Medicine, Changsha 410208, China.,College of Medicine, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Na Dai
- Post-Graduate School, Hunan University of Chinese Medicine, Changsha 410208, China.,College of Medicine, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Bing-Yan Xu
- Post-Graduate School, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Fang-Liang Zhou
- College of Medicine, Hunan University of Chinese Medicine, Changsha 410208, China.,Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha 410208, China
| | - Ting Lin
- Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha 410208, China.,Hunan Provincial Key Discipline of Chinese Head and Neck Science, Changsha 410208, China
| | - Jing-Jing Luo
- College of Medicine, Hunan University of Chinese Medicine, Changsha 410208, China.,Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha 410208, China
| | - Jing-Ying Fan
- Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha 410208, China.,Hunan Provincial Key Discipline of Chinese Head and Neck Science, Changsha 410208, China
| | - Ying-Chun He
- College of Medicine, Hunan University of Chinese Medicine, Changsha 410208, China.,Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha 410208, China.,Hunan Provincial Key Discipline of Chinese Head and Neck Science, Changsha 410208, China
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Wang M, Zhang C, Huang C, Cheng S, He N, Wang Y, Ahmed MF, Zhao R, Jin J, Zuo Q, Zhang Y, Li B. Regulation of fibroblast growth factor 8 (FGF8) in chicken embryonic stem cells differentiation into spermatogonial stem cells. J Cell Biochem 2017; 119:2396-2407. [PMID: 28898437 DOI: 10.1002/jcb.26402] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [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: 07/03/2017] [Accepted: 08/30/2017] [Indexed: 01/15/2023]
Abstract
Fibroblast growth factors (FGFs) are essential in regulating the formation of spermatogonial stem cells (SSCs). Here, we explored the effect of FGF8 on chicken SSCs formation by knockdown or overexpression of FGF8 in chicken embryonic stem cells (ESCs) both in vitro and in vivo. Our results showed that knockdown of FGF8 could facilitate the differentiation of ESCs into SSCs, overexpression of FGF8 could promote PGCs self-renewal, inhibit SSCs formation. This study further revealed the positive correlation between the expression level of FGF8 and MAPK/ERK signal. In the absence of FGF8, the expression of downstream genes such as FGFR2, GRB2, RAS, BRAF, RAF1, and MEK2 was not maintained, while overexpressing FGF8 enhances them. Thus, our study demonstrated that FGF8 can regulate germ cell fate by modulating the dynamic equilibrium between differentiation and self-renewal, which provides a new idea for the study of germ cell regulatory network.
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Affiliation(s)
- Man Wang
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Chen Zhang
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Chuanli Huang
- Department of Life Sciences, Imperial College London, London, UK
| | - Shaoze Cheng
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Nana He
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Yilin Wang
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Mahmoud F Ahmed
- College of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ruifeng Zhao
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Jing Jin
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Qisheng Zuo
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Yani Zhang
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
| | - Bichun Li
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
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Bertini S, Chicca A, Gado F, Arena C, Nieri D, Digiacomo M, Saccomanni G, Zhao P, Abood ME, Macchia M, Gertsch J, Manera C. Novel analogs of PSNCBAM-1 as allosteric modulators of cannabinoid CB1 receptor. Bioorg Med Chem 2017; 25:6427-6434. [PMID: 29079014 DOI: 10.1016/j.bmc.2017.10.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [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: 07/19/2017] [Revised: 10/13/2017] [Accepted: 10/15/2017] [Indexed: 01/31/2023]
Abstract
In this work, we explored the molecular framework of the known CB1R allosteric modulator PSNCBAM-1 with the aim to generate new bioactive analogs and to deepen the structure-activity relationships of this type of compounds. In particular, the introduction of a NH group between the pyridine ring and the phenyl nucleus generated the amino-phenyl-urea derivative SN15b that behaved as a positive allosteric modulator (PAM), increasing the CB1R binding affinity of the orthosteric ligand CP55,940. The functional activity was evaluated using serum response element (SRE) assay, which assesses the CB1R-dependent activation of the MAPK/ERK signaling pathway. SN15b and the biphenyl-urea analog SC4a significantly inhibited the response produced by CP55,940 in the low µM range, thus behaving as negative allosteric modulators (NAMs). The new derivatives presented here provide further insights about the modulation of CB1R binding and functional activity by allosteric ligands.
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Affiliation(s)
- Simone Bertini
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Andrea Chicca
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
| | - Francesca Gado
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Chiara Arena
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Daniela Nieri
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
| | - Maria Digiacomo
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | | | - Pingwei Zhao
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Mary E Abood
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Marco Macchia
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Jürg Gertsch
- Institute of Biochemistry and Molecular Medicine, NCCR TransCure, University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
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Chen HX, Xu XX, Tan BZ, Zhang Z, Zhou XD. MicroRNA-29b Inhibits Angiogenesis by Targeting VEGFA through the MAPK/ERK and PI3K/Akt Signaling Pathways in Endometrial Carcinoma. Cell Physiol Biochem 2017; 41:933-946. [PMID: 28222438 DOI: 10.1159/000460510] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 12/12/2016] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE The purpose of this study is to explore the effects of microRNA-29b (miR-29b) regulating MAPK/ERK and PI3K/Akt signaling pathways on angiogenesis in endometrial carcinoma (EC) by targeting VEGFA. METHODS Between February 2013 and April 2015, 126 EC patients admitted to the Second Affiliated Hospital of Nanchang University were randomly selected, with 126 EC tissues and the corresponding adjacent normal tissues collected after surgery. The human EC cell lines RL-95-2 and HEC-1-B and human endometrial cells were assigned to the normal group (human endometrial cells), the blank group (untransfected RL-95-2 or HEC-1-B cells), the pMIR-control group (RL-95-2 or HEC-1-B cells transfected with an empty vector), the pMIR-miR-29b group (RL-95-2 or HEC-1-B cells transfected with the miR-29b plasmid), LNA-control group (RL-95-2 or HEC-1-B cells transfected with an oligonucleotide inhibitors control), the LNA-miR-29b inhibitors group (RL-95-2 or HEC-1-B cells transfected with miRCURY LNATM miR-29b inhibitors), the LNA-miR-29b inhibitors + PD98059 group (RL-95-2 or HEC-1-B cells transfected with miRCURY LNATM miR-29b inhibitors and PD98059, an inhibitor of the MAPK/ERK signaling pathway) and the LNA-miR-29b inhibitors + wortmannin group (RL-95-2 or HEC-1-B cells transfected with miRCURY LNATM miR-29b inhibitors and wortmannin, an inhibitor of the PI3K/Akt signaling pathway). qRT-PCR and Western blotting were conducted to detect the miR-29b expression and the mRNA and protein expressions of VEGFA, ERK, Akt, mTOR and Bcl-2. Immunohistochemistry (IHC) was performed to determine the microvessel density (MVD) expression in the EC tissues, adjacent normal tissues and nude-mice. RESULTS Compared with the adjacent normal tissues, miR-29b expression was down-regulated, the mRNA and protein expressions of VEGFA, ERK, Akt, mTOR and Bcl-2 were up-regulated, and MVD expression was increased in the EC tissues. Compared with the normal group, miR-29b expression was down-regulated, while the mRNA and protein expressions of VEGFA, ERK, Akt, mTOR and Bcl-2 were up-regulated in the other groups. Compared with the blank, pMIR-control and LNA-control groups, miR-29b expression was increased, while mRNA and protein expressions of VEGFA, ERK, Akt, mTOR and Bcl-2 were decreased in the pMIR-miR-29b group. The LNA-miR-29b inhibitors group exhibited elevated miR-29b expression and decreased mRNA and protein expressions of VEGFA, ERK, Akt, mTOR and Bcl-2 (All P < 0.05). Additionally, miR-29b expression was reduced in the LNA-miR-29b inhibitors + PD98059 and LNA-miR-29b inhibitors + wortmannin groups. In comparison to the normal group, MVD expression was elevated in the other groups. Compared with the blank, pMIR-control, LNA-control, LNA-miR-29b inhibitors + PD98059 and LNA-miR-29b inhibitors + wortmannin groups, MVD expression was decreased in the pMIR-miR-29b group but increased in the LNA-miR-29b inhibitors group. CONCLUSION Our results indicate that miR-29b negatively modulates the MAPK/ERK and PI3K/Akt signaling pathways to inhibit angiogenesis in EC by targeting VEGFA.
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Hong S, Yu S, Li J, Yin Y, Liu Y, Zhang Q, Guan H, Li Y, Xiao H. MiR-20b Displays Tumor-Suppressor Functions in Papillary Thyroid Carcinoma by Regulating the MAPK/ERK Signaling Pathway. Thyroid 2016; 26:1733-1743. [PMID: 27717302 DOI: 10.1089/thy.2015.0578] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND MicroRNAs (miRNAs) are endogenous, small, non-coding RNAs that play important roles in multiple biological processes. MiR-20b has been reported to be dysregulated in papillary thyroid carcinoma (PTC). However, the functional roles are still largely unknown. This study aimed to investigate the biological functions and the underlying molecular mechanisms of miR-20b in PTC. METHOD The expression of miR-20b was assessed by quantitative reverse transcription polymerase chain reaction in 47 pairs of PTC and adjacent normal thyroid tissues. The association between miR-20b expression and clinicopathologic status of PTC patients was analyzed. MiR-20b was overexpressed in the PTC cell lines K1 and TPC-1, and the effects on cell viability, migration, and invasion were evaluated. The study further searched for targets of miR-20b, and identified the possible molecular mechanisms of miR-20b in PTC cells. Additionally, the effect of miR-20b on tumor growth in nude mice was assessed. RESULTS It was found that miR-20b was markedly downregulated in PTC tissues compared with their adjacent normal thyroid tissues. The low-level expression of miR-20b was correlated with cervical lymph node metastasis and TNM staging. Upregulation of miR-20b inhibited cell viability, migration, and invasion in K1 and TPC-1 cells. Ectopic overexpression of miR-20b could suppress the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway through directly targeting son of sevenless homolog 1 (SOS1) and extracellular signal-regulated kinase 2 (ERK2). Furthermore, depletion of SOS1 or ERK2 by siRNAs has similar effects as miR-20b overexpression on cell viability and invasion, whereas rescued SOS1 or ERK2 expression partially reversed the inhibitory effects of miR-20b in TPC cell lines. In xenograft animal experiments, it was found that overexpressed miR-20b could suppress tumor growth of PTC cells. CONCLUSION These results indicate for the first time that miR-20b displays tumor-suppressor functions in PTC. By targeting SOS1 and ERK2, miR-20b inhibits the activity of the MAPK/ERK signaling pathway. The findings suggest that miR-20b may play an important role in PTC initiation, progression, and metastasis, and may provide a potential therapeutic target for PTC.
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Affiliation(s)
- Shubin Hong
- 1 Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
| | - Shuang Yu
- 1 Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
| | - Jin Li
- 2 Department of Gerontology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
| | - Yali Yin
- 1 Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
| | - Yujie Liu
- 3 Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital of Sun Yat-sen University , Guangzhou, China
| | - Quan Zhang
- 4 Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center , Guangzhou, China
| | - Hongyu Guan
- 1 Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
| | - Yanbing Li
- 1 Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
| | - Haipeng Xiao
- 1 Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University , Guangzhou, China
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