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Khalife H, Fayyad-Kazan M, Fayyad-Kazan H, Hadchity E, Borghol N, Hussein N, Badran B. Lipoic acid alters the microRNA signature in breast cancer cells. Pathol Res Pract 2024; 257:155321. [PMID: 38678851 DOI: 10.1016/j.prp.2024.155321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 03/05/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Breast cancer, the deadliest disease affecting women globally, exhibits heterogeneity with distinct molecular subtypes. Despite advances in cancer therapy, the persistence of high mortality rates due to chemotherapy resistance remains a major challenge. Lipoic acid (LA), a natural antioxidant, has proven potent anticancer properties. Yet, the impact of LA on microRNA (miRNA) expression profile in breast cancer remains unexplored. AIM The aim of this study was to unravel the effect of LA on miRNA expression profiles in different breast cancer cell lines. METHODS The MiRCURY LNA miRNA miRNome qPCR Panel was used to compare the miRNA signature in MDA-MB-231 and MCF-7 cells treated or not with LA. RESULTS We identified six upregulated and six downregulated miRNAs in LA-treated MDA-MB-231 cells and 14 upregulated and four downregulated miRNAs in LA-treated MCF-7 cells compared to control cells. KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway analysis revealed that the deregulated miRNAs could alter different signaling cascades including FoxO, P53 and Hippo pathways. CONCLUSION The outcome of this study provides further insights into the molecular mechanisms underlying the therapeutic benefit of LA. This in turn could assist the amelioration of LA-based anticancer therapies.
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Affiliation(s)
- Hoda Khalife
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Mohammad Fayyad-Kazan
- The American University of Iraq-Baghdad, School of Arts and Sciences, Department of Natural and Applied Sciences, Baghdad, Iraq
| | - Hussein Fayyad-Kazan
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Elie Hadchity
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Nada Borghol
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Nader Hussein
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon; Université Claude Bernard Lyon 1, INSERM 1052, CNRS UMR 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon 69008, France.
| | - Bassam Badran
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon.
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Sun J, Zhang Z, Xia B, Yao T, Ge F, Yan F. Overexpression of PIK3CG in Cancer Cells Promotes Lung Cancer Cell Migration and Metastasis Through Enhanced MMPs Expression and Neutrophil Recruitment and Activation. Biochem Genet 2024:10.1007/s10528-024-10788-4. [PMID: 38602596 DOI: 10.1007/s10528-024-10788-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 03/16/2024] [Indexed: 04/12/2024]
Abstract
Metastasis is a major cause of death in lung cancer. The aim of this study is to analyze the role and mechanism of PI3K catalytic subunit gamma (PIK3CG, also known as p110γ) in lung cancer cell migration and metastasis. Knockdown (KD) and overexpression (OE) of PIK3CG expression in lung cancer cell lines A549 and H1299 in vitro cultured was achieved. Two PIK3CG-specific inhibitors, Eganelisib and CAY10505, were used to treat A549 and H1299 cells. An experimental lung metastasis mouse model was constructed using tail vein injection of LLC cells. Finally, a co-culture system was established using Transwell chambers. Compared with the NC group, the number of cells that completed migration and the expression levels of matrix metalloproteinases (MMPs) were significantly reduced in the KD group and Eganelisib and CAY10505 treatment groups, while the number of cells that migrated successfully and the expression levels of MMPs were significantly increased in the OE group. Lung tissues of mice injected with PIK3CG-stabilized overexpressed LLC cells showed more pronounced lung cancer growth, lung metastatic nodules, neutrophil infiltration and MMPs expression. Co-culture with neutrophils, soluble extracts of neutrophils and cathepsin G all promoted the migration of lung cancer cells. PIK3CG overexpression in tumor cells significantly promoted the migration and metastasis of lung cancer cell.
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Affiliation(s)
- Jinpeng Sun
- Department of General Surgery Ward, Cangzhou Hospital of Integrated TCM-WM, No. 31 Yellow River West Road, Canal District, Cangzhou, 061000, Hebei, China.
| | - Zhenshan Zhang
- Department of Medical Oncology, Cangzhou Hospital of Integrated TCM-WM, Cangzhou, 061000, Hebei, China
| | - Binghui Xia
- Department of General Surgery Ward, Cangzhou Hospital of Integrated TCM-WM, No. 31 Yellow River West Road, Canal District, Cangzhou, 061000, Hebei, China
| | - Tianyu Yao
- Department of Cardiology, Cangzhou Hospital of Integrated TCM-WM, Cangzhou, 061000, Hebei, China
| | - Fengyue Ge
- Department of Function Laboratory, Cangzhou Hospital of Integrated TCM-WM, Cangzhou, 061000, Hebei, China
| | - Fengmei Yan
- Department of Endoscopic Diagnosis and Treatment Center, Cangzhou Hospital of Integrated TCM-WM, Cangzhou, 061000, Hebei, China
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Han R, Lin C, Zhang C, Kang J, Lu C, Zhang Y, Wang Y, Hu C, He Y. The potential therapeutic regimen for overcoming resistance to osimertinib due to rare mutations in NSCLC. iScience 2023; 26:107105. [PMID: 37416479 PMCID: PMC10320197 DOI: 10.1016/j.isci.2023.107105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 05/07/2023] [Accepted: 06/08/2023] [Indexed: 07/08/2023] Open
Abstract
The mechanisms of osimertinib resistance have not been well characterized. We conducted next-generation sequencing to recognize novel resistance mechanism and used cell line-derived xenograft (CDX) and patient-derived xenograft (PDX) models to evaluate the anti-proliferative effects of aspirin in vivo and in vitro. We observed that PIK3CG mutations led to acquired resistance to osimertinib in a patient and further confirmed that both PIK3CG and PIK3CA mutations caused osimertinib resistance. Mechanistically, the expression of PI3Kγ or PI3Kα was up-regulated after PIK3CG or PIK3CA lentivirus transfection, respectively, and which can be effectively suppressed by aspirin. Lastly, our results from in vivo studies indicate that aspirin can reverse osimertinib resistance caused by PIK3CG or PIK3CA mutations in both CDX and PDX models. Herein, we first confirmed that mutations in PIK3CG can lead to resistance to osimertinib, and the combined therapy may be a strategy to reverse PIK3CG/PIK3CA mutation-induced osimertinib resistance.
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Affiliation(s)
- Rui Han
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Caiyu Lin
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Chong Zhang
- Department of Ultrasound, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Kang
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Conghua Lu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Yiming Zhang
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Yubo Wang
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Chen Hu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Yong He
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
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MicroRNA and Messenger RNA Expression Profiles in Canine Mammary Gland Tumor. Int J Mol Sci 2023; 24:ijms24032618. [PMID: 36768939 PMCID: PMC9917093 DOI: 10.3390/ijms24032618] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 01/16/2023] [Accepted: 01/27/2023] [Indexed: 02/03/2023] Open
Abstract
Canine mammary gland tumor (CMT) is the most frequently diagnosed neoplasm in intact female dogs. As prognosis depends on the malignancy of tumors and metastasis levels, early and accurate diagnosis are crucial for prolongation of life expectancy. The genetic similarity of dogs with humans in addition to environmental and physiological similarities make them ideal models for the study of cancer. In this study, we analyzed differentially expressed microRNAs followed by RNA-Seq to investigate the alterations in mRNA levels based on the malignancy (benign, malignant) and the biopsy locations (tumors, surrounding normal tissues). We identified multiple breast cancer-related genes regardless of malignancy. We found cfa-miR-503 to be the only miRNA that showed altered expression in response to malignancy in CMTs. Although further validation is needed, cfa-miR-503 could be used as a potential diagnostic biomarker as well as a potential RNA-based anti-tumor drug in malignant CMTs.
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Kumar P. miRNA dysregulation in traumatic brain injury and epilepsy: a systematic review to identify putative biomarkers for post-traumatic epilepsy. Metab Brain Dis 2023; 38:749-765. [PMID: 36715879 DOI: 10.1007/s11011-023-01172-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 01/18/2023] [Indexed: 01/31/2023]
Abstract
Traumatic brain injury (TBI) leads to post-traumatic epilepsy (PTE); hence, both TBI and PTE share various similar molecular mechanisms. MicroRNA (miRNA) is a small noncoding RNA that acts as a gene-silencing molecule. Notably, the dysregulation of miRNAs in various neurological diseases, including TBI and epilepsy, has been reported in several studies. However, studies on commonly dysregulated miRNAs and the regulation of shared pathways in both TBI and epilepsy that can identify potential biomarkers of PTE are still lacking. This systematic review covers the peer-review publications of TBI and database studies of epilepsy-dysregulated miRNAs of clinical studies. For TBI, 290 research articles were identified after screening, and 12 provided data for dysregulated miRNAs in humans. The compiled data suggest that 85 and 222 miRNAs are consecutively dysregulated in TBI and epilepsy. In both, 10 miRNAs were found to be commonly dysregulated, implying that they are potentially dysregulated miRNAs for PTE. Furthermore, the targets and involvement of each putative miRNA in different pathways were identified and evaluated. Additionally, clusters of predicted miRNAs were analyzed. Each miRNA's regulatory role was linked with apoptosis, inflammation, and cell cycle regulation pathways. Hence, these findings provide insight for future diagnostic biomarkers.
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Affiliation(s)
- Prince Kumar
- Department of Central Sophisticated Instrumentation Cell, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
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6
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Zeng C, Yuan G, Hu Y, Wang D, Shi X, Zhu D, Hu A, Meng Y, Lu J. Repressing phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit gamma by microRNA-142-3p restrains the progression of hepatocellular carcinoma. Bioengineered 2022; 13:1491-1506. [PMID: 34986757 PMCID: PMC8805872 DOI: 10.1080/21655979.2021.2020549] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 12/15/2021] [Indexed: 12/24/2022] Open
Abstract
This paper probes the mechanisms underlying miR-142-3p's modulation of hepatocellular carcinoma (HCC) invasion and apoptosis. Quantitative real-time PCR and Western blot monitored the miR-142-3p profile in HCC tissues and non-tumor tissues. The correlation between miR-142-3p expression and HCC patients' clinicopathological indicators was analyzed. miR-142-3p overexpression and knockdown models were established in HCC cell lines. Cell proliferation was gauged by the colony formation assay and BrdU staining. For measuring apoptosis, flow cytometry and Western blot were implemented. Transwell assay tested cell migration and invasion. miR-142-3p mimics or inhibitors were transfected in Huh7 and HCCLM3 cells. The targeting association between miR-142-3p and PIK3CG was predicted through bioinformatics and further verified by related experiments. The influence of PIK3CG overexpression on miR-142-3p's role in HCC was assayed. A xenografted tumor model was built in mice to validate miR-142-3p knockdown's influence on HCC in vivo. As a result, miR-142-3p exhibited a decreased profile in HCC tissues and cells. Overexpressing miR-142-3p accelerated apoptosis and suppressed the PI3K/AKT/HIF-1α signal. Knocking down miR-142-3p presented opposite effects. PIK3CG overexpression dampened the anti-tumor effect of miR-142-3p. miR-142-3p repressed HCC invasion and intensified apoptosis to restrain HCC by abating the PIK3CG-mediated PI3K/AKT/HIF-1α pathway.
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Affiliation(s)
- Chuanli Zeng
- Department of Severe Liver Disease, Ningbo HuaMei Hospital, University of Chinese Academy of Science, Ningbo, Zhejiang, China
| | - Gang Yuan
- Department of Acute Infection, Ningbo Huamei Hospital, University of Chinese Academy of Science, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Science, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System, Tumors of Zhejiang Province, China
| | - Yaoren Hu
- Department of Hepatology, Ningbo Huamei Hospital, University of Chinese Academy of Science, Ningbo, Zhejiang, China
| | - Donghui Wang
- Department of Acute Infection, Ningbo Huamei Hospital, University of Chinese Academy of Science, Ningbo, Zhejiang, China
| | - Xiaojun Shi
- Department of Hepatology, Ningbo Huamei Hospital, University of Chinese Academy of Science, Ningbo, Zhejiang, China
| | - Dedong Zhu
- Department of Hepatology, Ningbo Huamei Hospital, University of Chinese Academy of Science, Ningbo, Zhejiang, China
| | - Airong Hu
- Institute of Liver Disease, Ningbo Huamei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
| | - Yina Meng
- Medical School of Ningbo University, Ningbo, Zhejiang, China
| | - Jialin Lu
- Medical School of Ningbo University, Ningbo, Zhejiang, China
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LncRNA LINC00473 is involved in the progression of invasive pituitary adenoma by upregulating KMT5A via ceRNA-mediated miR-502-3p evasion. Cell Death Dis 2021; 12:580. [PMID: 34091587 PMCID: PMC8179925 DOI: 10.1038/s41419-021-03861-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/18/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
Long noncoding RNAs (lncRNAs) and their crosstalks with other RNAs have been revealed to be closely related to tumorigenesis and development, but their role in invasive pituitary adenoma (IPA) remains largely unclear. In our study, LINC00473 was identified as the most upregulated lncRNA in IPA by whole transcriptome RNA sequencing (RNA-Seq). Further, its related signaling pathway LINC00473/miR-502-3p/KMT5A was obtained by constructing a competing endogenous RNA (ceRNA) regulatory network. Their expression in IPA and non-invasive pituitary adenoma (NIPA) tissues was verified by qRT-PCR. Then the effects and mechanisms of LINC00473 and its ceRNA network on the proliferation of pituitary adenoma (PA) cells were confirmed by gene overexpression or silencing techniques combined with CCK-8 assay, EdU staining, flow cytometry assay, and double luciferase reporter gene assay in PA cell lines AtT-20 and GT1-1 in vitro and in a xenograft model in vivo. LINC00473 is overexpressed in IPA and can promote PA cells proliferation. Mechanistically, overexpression of LINC00473 restricts miR-502-3p through the ceRNA mechanism, upregulates KMT5A expression, and promotes the expression of cyclin D1 and CDK2, which is conducive to the cell cycle process, thereby promoting the proliferation of PA cells, involving IPA progression.
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8
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Differential miRNA Expression in Human Macrophage-Like Cells Infected with Histoplasma capsulatum Yeasts Cultured in Planktonic and Biofilm Forms. J Fungi (Basel) 2021; 7:jof7010060. [PMID: 33477397 PMCID: PMC7830537 DOI: 10.3390/jof7010060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 11/19/2020] [Indexed: 12/14/2022] Open
Abstract
Histoplasma capsulatum affects healthy and immunocompromised individuals, sometimes causing a severe disease. This fungus has two morphotypes, the mycelial (infective) and the yeast (parasitic) phases. MicroRNAs (miRNAs) are small RNAs involved in the regulation of several cellular processes, and their differential expression has been associated with many disease states. To investigate miRNA expression in host cells during H. capsulatum infection, we studied the changes in the miRNA profiles of differentiated human macrophages infected with yeasts from two fungal strains with different virulence, EH-315 (high virulence) and 60I (low virulence) grown in planktonic cultures, and EH-315 grown in biofilm form. MiRNA profiles were evaluated by means of reverse transcription-quantitative polymerase chain reaction using a commercial human miRNome panel. The target genes of the differentially expressed miRNAs and their corresponding signaling pathways were predicted using bioinformatics analyses. Here, we confirmed biofilm structures were present in the EH-315 culture whose conditions facilitated producing insoluble exopolysaccharide and intracellular polysaccharides. In infected macrophages, bioinformatics analyses revealed especially increased (hsa-miR-99b-3p) or decreased (hsa-miR-342-3p) miRNAs expression levels in response to infection with biofilms or both growth forms of H. capsulatum yeasts, respectively. The results of miRNAs suggested that infection by H. capsulatum can affect important biological pathways of the host cell, targeting two genes: one encoding a protein that is important in the cortical cytoskeleton; the other, a protein involved in the formation of stress granules. Expressed miRNAs in the host’s response could be proposed as new therapeutic and/or diagnostic tools for histoplasmosis.
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Peng X, Wu M, Liu W, Guo C, Zhan L, Zhan X. miR-502-5p inhibits the proliferation, migration and invasion of gastric cancer cells by targeting SP1. Oncol Lett 2020; 20:2757-2762. [PMID: 32782592 PMCID: PMC7399809 DOI: 10.3892/ol.2020.11808] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 06/08/2020] [Indexed: 12/11/2022] Open
Abstract
Gastric cancer (GC) is the third most common cause of cancer-associated mortality in China. Aberrant microRNA (miR) expression can occur through multiple biological processes and has been implicated in cancer development. However, to the best of our knowledge, the function of miR-502-5p in GC is currently unclear. In the present study, the expression and function of miR-502-5p in GC was evaluated. Reverse transcription-quantitative (RT-q) PCR was used to measure the expression levels of miR-502-5p in GC tissues, normal adjacent tissues, a normal human gastric epithelial cell line (GES-1) and two GC cell lines. miR-502-5p expression levels were significantly lower in GC tissues and GC cell lines compared with those in adjacent normal tissues and GES-1 cells, respectively. Subsequently, the target genes of miR-502-5p were predicted, and it was demonstrated that the transcription factor SP1 was a direct target. SP1 expression, cell viability, migration and invasion, and SP1 protein levels were examined using RT-qPCR, an MTT assay, Transwell assay and western blotting, respectively. Human GC cells were then transfected with an miR-502-5p mimic to emulate miR-502-5p overexpression, resulting in inhibition of the proliferation, migration and invasion capacities of human GC cells. Compared with the negative control, cells overexpressing miR-502-5p had decreased levels of SP1 mRNA and protein. These data suggest that miR-502-5p serves as a tumor suppressor gene by targeting SP1 to regulate the proliferation, migration and invasion of GC cells.
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Affiliation(s)
- Xiaobo Peng
- Department of Oncology, Changhai Hospital, Naval Military Medical University, Shanghai 200433, P.R. China
| | - Meihong Wu
- Department of Oncology, Changhai Hospital, Naval Military Medical University, Shanghai 200433, P.R. China
| | - Wuxia Liu
- VIP Clinic, Changhai Hospital, Naval Military Medical University, Shanghai 200433, P.R. China
| | - Chengtao Guo
- Department of Oncology, Changhai Hospital, Naval Military Medical University, Shanghai 200433, P.R. China
| | - Lixing Zhan
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institute of Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, P.R. China
| | - Xianbao Zhan
- Department of Oncology, Changhai Hospital, Naval Military Medical University, Shanghai 200433, P.R. China
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You W, Liu X, Yu Y, Chen C, Xiong Y, Liu Y, Sun Y, Tan C, Zhang H, Wang Y, Li R. miR-502-5p affects gastric cancer progression by targeting PD-L1. Cancer Cell Int 2020; 20:395. [PMID: 32821248 PMCID: PMC7429713 DOI: 10.1186/s12935-020-01479-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 08/03/2020] [Indexed: 02/07/2023] Open
Abstract
Background Studies have shown that miR-502-5p functions as a tumor suppressor and is associated with tumor growth and metastasis. This study intends to uncover the potential mechanism of miR-502-5p functioning as a tumor suppressor in gastric cancer. Methods Expression levels of miR-502-5p and PD-L1 were measured by using qRT-PCR. Cell proliferation abilities were examined by EDU incorporation assay. Cell migration, invasion and cell cycle analysis of cells were determined by transwell assay, transwell-matrigel assay and flow cytometry, respectively. The relationship between miR-502-5p expression and the overall survival of xenograft tumor mice was statistically analyzed. Bioinformatics analysis and luciferase reporter assays were applied to analyze the relationship between miR-502-5p and CD40, STAT3 or PD-L1. Expressions of CD40, STAT3 and PD-L1 at protein level were detected by western blot. Results The results showed that miR-502-5p was significantly downregulated in gastric cancer tumor tissues compared with adjacent normal tissues. Overexpression of miR-502-5p significantly attenuated the proliferation, migration/invasion and induced the G1 phase arrest of gastric cancer cells. Consistently, miR-502-5p suppressed tumor growth and metastasis in vivo. Mechanically, we demonstrated that miR-502-5p had inhibited the malignant behaviour of gastric cancer by down-regulating PD-L1 expression at transcriptional level and post-transcriptional levels. Conclusions These findings suggest that miR-502-5p acts as a tumor suppressor in gastric cancer (GC). MiR-502-5p/PD-L1 may be a novel therapeutic target in GC treatment.
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Affiliation(s)
- Wendao You
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | - Xiaoyu Liu
- Yulin No.2 Hospital, Yulin, 719000 China
| | - Yang Yu
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | - Chen Chen
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | - Yujia Xiong
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | - Yiting Liu
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | - Yibin Sun
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | - Chenhuan Tan
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
| | | | | | - Rui Li
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, 215006 China
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11
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Ozdemir Kutbay N, Biray Avci C, Sarer Yurekli B, Caliskan Kurt C, Shademan B, Gunduz C, Erdogan M. Effects of metformin and pioglitazone combination on apoptosis and AMPK/mTOR signaling pathway in human anaplastic thyroid cancer cells. J Biochem Mol Toxicol 2020; 34:e22547. [PMID: 32589349 DOI: 10.1002/jbt.22547] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/28/2020] [Accepted: 05/29/2020] [Indexed: 02/06/2023]
Abstract
Anaplastic cancer constitutes 1% of thyroid cancers, and it is one of the most aggressive cancers. Treatment options are external radiation therapy and/or chemotherapy. The success rate with these treatment modalities is not satisfactory. We aimed to evaluate the effects of metformin (MET) and pioglitazone (PIO) combination on apoptosis and AMP-activated protein kinase/mammalian target of rapamycin (mTOR) signaling pathway in human anaplastic thyroid cancer cells. In this study, we evaluated the effects of MET and PIO individually and the combination of the two drugs on the cellular lines SW1736 and C643 ATC. Genes contained in the mTOR signaling pathway were examined using human mTOR Signalization RT2 Profiler PCR Array. In C643 and SW1736 cell lines, IC50 doses of MET and PIO were found out as 17.69 mM, 11.64 mM, 27.12 µM, and 23.17 µM. Also, the combination of MET and PIO was determined as an additive according to isobologram analyses. We have found the downregulation of the expression levels of oncogenic genes: AKT3, CHUK, CDC42, EIF4E, HIF1A, IKBKB, ILK, MTOR, PIK3CA, PIK3CG, PLD1, PRKCA, and RICTOR genes, in the MET and PIO combination-treated cells. In addition, expression levels of tumor suppressor genes, DDIT4, DDIT4L, EIF4EBP1, EIF4EBP2, FKBP1A, FKBP8, GSK3B, MYO1C, PTEN, ULK1, and ULK2, were found to have increased significantly. The MET + PIO combination was first applied to thyroid cancer cells, and significant reductions in the level of oncogenic genes were detected. The decreases, particularly, in AKT3, DEPTOR, EIF4E, ILK, MTOR, PIK3C, and PRKCA expressions indicate that progression can be prevented in thyroid cancer cells and these genes could be selected as therapeutic targets.
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Affiliation(s)
- Nilufer Ozdemir Kutbay
- Department of Endocrinology, Faculty of Medicine, Celal Bayar University, Manisa, Turkey
| | - Cigir Biray Avci
- Department of Medical Biology, Ege University Medical School, Izmir, Turkey
| | - Banu Sarer Yurekli
- Department of Endocrinology, Ege University Medical School, Izmir, Turkey
| | | | - Behrouz Shademan
- Department of Medical Biology, Ege University Medical School, Izmir, Turkey
| | - Cumhur Gunduz
- Department of Medical Biology, Ege University Medical School, Izmir, Turkey
| | - Mehmet Erdogan
- Department of Endocrinology, Ege University Medical School, Izmir, Turkey
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Beaumier A, Robinson SR, Robinson N, Lopez KE, Meola DM, Barber LG, Bulmer BJ, Calvalido J, Rush JE, Yeri A, Das S, Yang VK. Extracellular vesicular microRNAs as potential biomarker for early detection of doxorubicin-induced cardiotoxicity. J Vet Intern Med 2020; 34:1260-1271. [PMID: 32255536 PMCID: PMC7255649 DOI: 10.1111/jvim.15762] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 03/13/2020] [Indexed: 01/21/2023] Open
Abstract
Background Long‐term use of doxorubicin (DOX) is limited by cumulative dose‐dependent cardiotoxicity. Objectives Identify plasma extracellular vesicle (EV)‐associated microRNAs (miRNAs) as a biomarker for cardiotoxicity in dogs by correlating changes with cardiac troponin I (cTnI) concentrations and, echocardiographic and histologic findings. Animals Prospective study of 9 client‐owned dogs diagnosed with sarcoma and receiving DOX single‐agent chemotherapy (total of 5 DOX treatments). Dogs with clinically relevant metastatic disease, preexisting heart disease, or breeds predisposed to cardiomyopathy were excluded. Methods Serum concentration of cTnI was monitored before each treatment and 1 month after the treatment completion. Echocardiography was performed before treatments 1, 3, 5, and 1 month after completion. The EV‐miRNA was isolated and sequenced before treatments 1 and 3, and 1 month after completion. Results Linear mixed model analysis for repeated measurements was used to evaluate the effect of DOX. The miR‐107 (P = .03) and miR‐146a (P = .02) were significantly downregulated whereas miR‐502 (P = .02) was upregulated. Changes in miR‐502 were significant before administration of the third chemotherapeutic dose. When stratifying miRNA expression for change in left ventricular ejection fraction, upregulation of miR‐181d was noted (P = .01). Serum concentration of cTnI changed significantly but only 1 month after treatment completion, and concentrations correlated with left ventricular ejection fraction and left ventricular internal dimension in diastole. Conclusion and Clinical Significance Downregulation of miR‐502 was detected before significant changes in cTnI concentrations or echocardiographic parameters. Further validation using a larger sample size will be required.
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Affiliation(s)
- Amelie Beaumier
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Sally R Robinson
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Nicholas Robinson
- Department of Biomedical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Katherine E Lopez
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Dawn M Meola
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Lisa G Barber
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Barret J Bulmer
- Tufts Veterinary Emergency Treatment & Specialties, Walpole, Massachusetts, USA
| | - Jerome Calvalido
- Tufts Veterinary Emergency Treatment & Specialties, Walpole, Massachusetts, USA
| | - John E Rush
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
| | - Ashish Yeri
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Saumya Das
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Vicky K Yang
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, USA
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13
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Ying Y, Li J, Xie H, Yan H, Jin K, He L, Ma X, Wu J, Xu X, Fang J, Wang X, Zheng X, Liu B, Xie L. CCND1, NOP14 and DNMT3B are involved in miR-502-5p-mediated inhibition of cell migration and proliferation in bladder cancer. Cell Prolif 2020; 53:e12751. [PMID: 31971654 PMCID: PMC7048215 DOI: 10.1111/cpr.12751] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 11/12/2019] [Accepted: 12/07/2019] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVES Downregulation of miR-502-5p has emerged as a critical factor in tumour progression in several cancers. Herein, we elucidated the role of miR-502-5p in bladder cancer. MATERIALS AND METHODS RT-qPCR was performed to examine the expression of miR-502-5p in bladder cancer. And DNA methylation analysis showed that epigenetic mechanisms may contribute to the downregulation of miR-502-5p. Then, wound-healing assay, transwell assay, colony formation assay, CCK8 assay and flow cytometry analysis were applied to evaluate the function of miR-502-5p in bladder cancer cell lines. Western blot was conducted to measure the protein levels of related genes. Furthermore, dual-luciferase reporter assay, in vivo tumorigenesis assay and immunohistochemical staining were also conducted as needed. RESULTS MiR-502-5p is frequently downregulated in BCa. Meanwhile, hypermethylation of CpG islands contributes to the downregulation of miR-502-5p. Functionally, overexpression of miR-502-5p inhibited cell proliferation and migration in vitro and repressed tumour growth in vivo. CCND1, DNMT3B and NOP14 were identified as direct targets of miR-502-5p. Interestingly, DNMT3B and miR-502-5p established a positive feedback loop in the regulation of bladder cancer. In addition, rescue experiments further validated the direct molecular interaction between miR-502-5p and its targets. CONCLUSIONS Our study proposed and demonstrated that the miR-502-5p-mediated regulatory network is critical in bladder cancer; this network may be useful in the development of more effective therapies against bladder cancer.
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Affiliation(s)
- Yufan Ying
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Jiangfeng Li
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Haiyun Xie
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Huaqing Yan
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Ke Jin
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Liujia He
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Xueyou Ma
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Jian Wu
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Xin Xu
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Jiajie Fang
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Xiao Wang
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Xiangyi Zheng
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Ben Liu
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
| | - Liping Xie
- Department of UrologySchool of MedicineFirst Affiliated Hospital of Zhejiang UniversityHangzhouChina
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14
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Smolinska A, Swoboda J, Fendler W, Lerch MM, Sendler M, Moskwa P. MiR-502 is the first reported miRNA simultaneously targeting two components of the classical non-homologous end joining (C-NHEJ) in pancreatic cell lines. Heliyon 2020; 6:e03187. [PMID: 32042960 PMCID: PMC7002776 DOI: 10.1016/j.heliyon.2020.e03187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 11/22/2019] [Accepted: 01/06/2020] [Indexed: 12/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest cancers. Acquired inherited and/or somatic mutations drive its development. In order to prevent the formation of these mutations, precise and immediate repair of any DNA damage is indispensable. Non-homologous end-joining (NHEJ) is the key mechanism of DNA double-strand break repair. Here, we report that miR-502 targets two components in pancreatic cell lines, Ku70 and XLF of the C-NHEJ. Interestingly, we also observed an attenuated cell cycle response to gamma ionizing radiation (γ-IR) via diminished phosphorylation of checkpoint kinase 1 (Chk1) on serine 345 in these cell lines. Altogether, pancreatic cells showed increased susceptibility to γ-IR via direct inhibition of DNA double-strand break repair and attenuation of the cell cycle response.
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Affiliation(s)
- Agnieszka Smolinska
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Julia Swoboda
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Wojciech Fendler
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland.,Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Markus M Lerch
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Matthias Sendler
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Patryk Moskwa
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
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15
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Liu Y, Liu Y, Han M, Du X, Liu X, Zhang Q, Liu J. Edwardsiella tarda-induced miR-7a functions as a suppressor in PI3K/AKT/GSK3β signaling pathway by targeting insulin receptor substrate-2 (IRS2a and IRS2b) in Paralichthys olivaceus. FISH & SHELLFISH IMMUNOLOGY 2019; 89:477-485. [PMID: 30940579 DOI: 10.1016/j.fsi.2019.03.076] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 03/29/2019] [Accepted: 03/29/2019] [Indexed: 06/09/2023]
Abstract
To study the effect of Edwardsiella tarda infection on miRNAs expression profile in Japanese flounder, fish were injected intraperitoneally with E. tarda. The miRNAs involved in regulating immune responses were analyzed by high-throughput sequencing. A total of 164 mature miRNAs were identified, of which 17 miRNAs were differentially expressed (DE miRNAs) after E. tarda infection, indicating that they were immune-related miRNAs. To further examine the relationship between the miRNAs and their predicted target mRNAs, a total of 22 predicted target mRNAs, mainly related to endocytic signaling pathway, NF-κB signaling pathway, and p53 signaling pathway, were detected with miRNA mimics in HEK-293T cells by dual-luciferase reporter experiments. Finally, we confirmed that insulin receptor substrate-2 (IRS2a and IRS2b) were regulated by miR-7a. And the target sites of the 3' untranslated region (UTR) of IRS2a and IRS2b were verified by dual-luciferase reporter experiments. Furthermore, we found that the E. tarda and LPS significantly increased host miR-7a expression. In vivo and in vitro studies revealed that IRS2-mediated PI3K/AKT/GSK3β signaling pathway was suppressed. Taken together, these results implied that miR-7a might be a key regulator of PI3K/AKT/GSK3β signaling pathway via suppressing the IRS2a and IRS2b genes.
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Affiliation(s)
- Yuezhong Liu
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Yuxiang Liu
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Miao Han
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Xinxin Du
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China; Department of Life Science and Engineering, Jining University, Jining, China
| | - Xiumei Liu
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China; College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Quanqi Zhang
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Jinxiang Liu
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
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16
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Tao X, Yang X, Wu K, Yang L, Huang Y, Jin Q, Chen S. miR-629-5p promotes growth and metastasis of hepatocellular carcinoma by activating β-catenin. Exp Cell Res 2019; 380:124-130. [PMID: 30954576 DOI: 10.1016/j.yexcr.2019.03.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/29/2019] [Accepted: 03/30/2019] [Indexed: 12/14/2022]
Abstract
Aberrant miR-629-5p expression in several cancer types has been reported. Nonetheless, its potential effect and mechanism of action on tumor growth and metastasis in hepatocellular carcinoma (HCC) have rarely been analyzed. In this study, we found that miR-629-5p was upregulated in HCC tissue samples as compared to matched adjacent-tissue samples. Overexpression of miR-629-5p promoted the proliferation, migration, and invasiveness of human HCC cells in vitro, whereas miR-629-5p knockdown reduced these parameters. Consistently, miR-629-5p overexpression accelerated tumor growth and metastasis in a nude mouse model. Mechanistically, miR-629-5p directly targeted the 3' untranslated region (3'UTR) of the secreted frizzled-related protein 2 (SFRP2) mRNA and suppressed its expression, resulting in the activation of β-catenin. Inhibition of β-catenin abrogated miR-629-5p-induced growth and invasiveness. Collectively, these results suggest that miR-629-5p activates β-catenin signaling by downregulating SFRP2 and thus promotes the growth and metastasis of HCC. These data open up new prospects for HCC treatment.
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Affiliation(s)
- Xin Tao
- Department of Infectious Disease, Heping Hospital Attached to Changzhi Medical College, Changzhi, 046000, China
| | - Xiaoxia Yang
- Changzhi Medical College, Changzhi, 046000, China
| | - Kexin Wu
- Changzhi Medical College, Changzhi, 046000, China
| | - Liang Yang
- Changzhi Medical College, Changzhi, 046000, China
| | - Yufei Huang
- Changzhi Medical College, Changzhi, 046000, China
| | - Qian Jin
- Changzhi Medical College, Changzhi, 046000, China
| | - Suling Chen
- Department of Infectious Disease, Heping Hospital Attached to Changzhi Medical College, Changzhi, 046000, China.
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17
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Ai X, Xiang L, Huang Z, Zhou S, Zhang S, Zhang T, Jiang T. Overexpression of PIK3R1 promotes hepatocellular carcinoma progression. Biol Res 2018; 51:52. [PMID: 30497511 PMCID: PMC6264640 DOI: 10.1186/s40659-018-0202-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/20/2018] [Indexed: 11/24/2022] Open
Abstract
Background Phosphoinositide-3-kinase, regulatory subunit 1 (PIK3R1) could regulate cancer cell proliferation important for cancer cell proliferation; however, its role in Hepatocellular carcinoma (HCC) remains largely unknown. Here, we investigated the role of PIK3R1 in HCC and examined the underlying molecular mechanisms. Methods The expression of PIK3R1 was evaluated by immunohistochemistry and qRT-PCR in a series of HCC tissues. The mRNA and protein expression of PIK3R1 was used by qRT-PCR and western blot assays in a series of human HCC cell lines, and then we choose MHCC97H and HCCLM3 cells as a model to investigate the effect of PIK3R1 on HCC progression. The effects of PIK3R1 knowdown on cell proliferation, migration, apoptosis of HCC were assessed by the MTT assay, clonogenic assays, wound healing assay and flow cytometry in vitro. Western blot assay was performed to assess the expression changes of PI3K/AKT/mTOR signaling pathway. Results Our results found that PIK3R1 was highly expressed in HCC tissues compared with adjacent normal tissues. Knockdown of PIK3R1 inhibited the proliferation, migration and promoted apoptosis of HCC cell lines. In addition, we proved that knockdown of PIK3R1 downregulated p-PI3K, p-AKT, and p-mTOR expressions in MHCC97H and HCCLM3 cells. Conclusions In conclusion, PIK3R1 providing potential novel targets for the treatment of HCC.
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Affiliation(s)
- Xuejun Ai
- The Key Laboratory of Medical Molecular Biology, Guizhou Medical University, Guiyang, 550002, China.,Department of Digestive, Guiyang First People's Hospital, Guiyang, 550001, China
| | - Lei Xiang
- Department of Interventional Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550002, China
| | - Zhi Huang
- The Key Laboratory of Medical Molecular Biology, Guizhou Medical University, Guiyang, 550002, China.,Department of Interventional Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550002, China
| | - Shi Zhou
- Department of Interventional Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550002, China
| | - Shuai Zhang
- Department of Interventional Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550002, China
| | - Tao Zhang
- The Key Laboratory of Medical Molecular Biology, Guizhou Medical University, Guiyang, 550002, China. .,Department of Digestive, Guiyang First People's Hospital, Guiyang, 550001, China.
| | - Tianpeng Jiang
- The Key Laboratory of Medical Molecular Biology, Guizhou Medical University, Guiyang, 550002, China. .,Department of Interventional Radiology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550002, China.
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18
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Zhang P, Kang B, Xie G, Li S, Gu Y, Shen Y, Zhao X, Ma Y, Li F, Si J, Wang J, Chen J, Yang H, Xu X, Yang Y. Genomic sequencing and editing revealed the GRM8 signaling pathway as potential therapeutic targets of squamous cell lung cancer. Cancer Lett 2018; 442:53-67. [PMID: 30391781 DOI: 10.1016/j.canlet.2018.10.035] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 10/18/2018] [Accepted: 10/24/2018] [Indexed: 02/06/2023]
Abstract
The study sought to explore novel genetic aberration driving squamous cell lung carcinoma (LUSC). The whole exome (WES), whole genome (WGS) and target region (TS) sequencings and CRISPR-Cas9 genome editing techniques were integrated to explore and validate novel targeting candidates from LUSC primary tumors and corresponding patient-derived xenografts (PDXs). Seven genes (FGFR2, GRM1,PIK3CG, PIK3CA,ZFHX4, CSMD3, GRM8) with high frequencies of both single nucleotide variants (SNVs) and copy number variants (CNVs), and two genes (CLDN1 and RIT1) only with CNVs were identified by bioinformatics analysis. The functions of these candidates were validated through CRISPR-Cas9 system in primary PDX cells. Furthermore, we focused on the genetic and functional analysis of Metabotropic glutamate receptor 8 (GRM8), whose transcriptional activation was elucidated to promote the survival of LUSC tumor cell through inhibiting cAMP pathway and activating MAPK pathway. The SNV identified in GRM8, A112G, activated downstream signaling pathway and induced cell proliferation, which could be reversed by cAMP stimulator and MEK inhibitor. In conclusion, the components of GRM8 signaling pathway could serve as potential targets of squamous cell lung cancer carrying GRM8 activating variants.
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MESH Headings
- Animals
- Antineoplastic Agents/therapeutic use
- CRISPR-Associated Protein 9/genetics
- CRISPR-Associated Protein 9/metabolism
- CRISPR-Cas Systems
- Carcinoma, Squamous Cell/drug therapy
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/metabolism
- Carcinoma, Squamous Cell/pathology
- Cell Line, Tumor
- Cell Proliferation
- Cell Survival
- Clustered Regularly Interspaced Short Palindromic Repeats
- Cyclic AMP/metabolism
- Gene Editing/methods
- Gene Expression Regulation, Neoplastic
- Humans
- Lung Neoplasms/drug therapy
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- Mice, Inbred NOD
- Mice, SCID
- Mitogen-Activated Protein Kinases/metabolism
- Molecular Targeted Therapy
- Mutation
- Receptors, Metabotropic Glutamate/genetics
- Receptors, Metabotropic Glutamate/metabolism
- Signal Transduction
- Transcriptional Activation
- Tumor Burden
- Tumor Cells, Cultured
- Exome Sequencing
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Affiliation(s)
- Panpan Zhang
- Department of Thoracic Surgery II, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing, Peking University Cancer Hospital and Institute, Beijing, China
| | - Bin Kang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China; Guangdong Provincial Key Laboratory of Genome Read and Write, Jinsha Road, Shenzhen, 518120, China
| | - Guoyun Xie
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China
| | - Shaolei Li
- Department of Thoracic Surgery II, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing, Peking University Cancer Hospital and Institute, Beijing, China
| | - Ying Gu
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China; Guangdong Provincial Key Laboratory of Genome Read and Write, Jinsha Road, Shenzhen, 518120, China
| | - Yue Shen
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China; Guangdong Provincial Key Laboratory of Genome Read and Write, Jinsha Road, Shenzhen, 518120, China
| | - Xin Zhao
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China
| | - Yuanyuan Ma
- Department of Thoracic Surgery II, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing, Peking University Cancer Hospital and Institute, Beijing, China
| | - Fuqiang Li
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China
| | - Jiahui Si
- Department of Thoracic Surgery II, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing, Peking University Cancer Hospital and Institute, Beijing, China
| | - Jian Wang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China
| | - Jinfeng Chen
- Department of Thoracic Surgery II, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing, Peking University Cancer Hospital and Institute, Beijing, China
| | - Huanming Yang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China; Guangdong Provincial Key Laboratory of Genome Read and Write, Jinsha Road, Shenzhen, 518120, China
| | - Xun Xu
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen, 518083, China; China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen, 518120, China; Guangdong Provincial Key Laboratory of Genome Read and Write, Jinsha Road, Shenzhen, 518120, China.
| | - Yue Yang
- Department of Thoracic Surgery II, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing, Peking University Cancer Hospital and Institute, Beijing, China.
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Tiong KH, Tan BS, Choo HL, Chung FFL, Hii LW, Tan SH, Khor NTW, Wong SF, See SJ, Tan YF, Rosli R, Cheong SK, Leong CO. Fibroblast growth factor receptor 4 (FGFR4) and fibroblast growth factor 19 (FGF19) autocrine enhance breast cancer cells survival. Oncotarget 2018; 7:57633-57650. [PMID: 27192118 PMCID: PMC5295378 DOI: 10.18632/oncotarget.9328] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 04/26/2016] [Indexed: 12/27/2022] Open
Abstract
Basal-like breast cancer is an aggressive tumor subtype with poor prognosis. The discovery of underlying mechanisms mediating tumor cell survival, and the development of novel agents to target these pathways, is a priority for patients with basal-like breast cancer. From a functional screen to identify key drivers of basal-like breast cancer cell growth, we identified fibroblast growth factor receptor 4 (FGFR4) as a potential mediator of cell survival. We found that FGFR4 mediates cancer cell survival predominantly via activation of PI3K/AKT. Importantly, a subset of basal-like breast cancer cells also secrete fibroblast growth factor 19 (FGF19), a canonical ligand specific for FGFR4. siRNA-mediated silencing of FGF19 or neutralization of extracellular FGF19 by anti-FGF19 antibody (1A6) decreases AKT phosphorylation, suppresses cancer cell growth and enhances doxorubicin sensitivity only in the FGFR4+/FGF19+ breast cancer cells. Consistently, FGFR4/FGF19 co-expression was also observed in 82 out of 287 (28.6%) primary breast tumors, and their expression is strongly associated with AKT phosphorylation, Ki-67 staining, higher tumor stage and basal-like phenotype. In summary, our results demonstrated the presence of an FGFR4/FGF19 autocrine signaling that mediates the survival of a subset of basal-like breast cancer cells and suggest that inactivation of this autocrine loop may potentially serve as a novel therapeutic intervention for future treatment of breast cancers.
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Affiliation(s)
- Kai Hung Tiong
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Oral Cancer Research and Coordinating Center (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Cancer Research Initiatives Foundation, Sime Darby Medical Centre, Subang Jaya, Malaysia
| | - Boon Shing Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan
| | - Heng Lungh Choo
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Felicia Fei-Lei Chung
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Ling-Wei Hii
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Si Hoey Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Nelson Tze Woei Khor
- School of Medicine, Faculty of Medical and Health Sciences, The University of Auckland, New Zealand
| | - Shew Fung Wong
- School of Medicine, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Sze-Jia See
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Yuen-Fen Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Rozita Rosli
- UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Soon-Keng Cheong
- Faculty of Medicine and Health Sciences, University Tunku Abdul Rahman, Bandar Sungai Long, Selangor, Malaysia
| | - Chee-Onn Leong
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
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Liu B, Zhang X, Song F, Zheng H, Zhao Y, Li H, Zhang L, Yang M, Zhang W, Chen K. MiR-502/SET8 regulatory circuit in pathobiology of breast cancer. Cancer Lett 2016; 376:259-67. [PMID: 27080302 DOI: 10.1016/j.canlet.2016.04.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 04/03/2016] [Accepted: 04/04/2016] [Indexed: 12/26/2022]
Abstract
Our previous research and extensive epidemiological studies reproducibly demonstrated that miR-502 potentially targeted the expression of H4K20 methyltransferase SET8 in a wide spectrum of cancer. Yet, the direct targeting of SET8 by miR-502 has not been definitively proven. The clinical significance of the miR-502/SET8 regulatory circuit is also not clear. Here, we conducted cell-based experiments and clinical studies in a cohort of 279 breast cancer samples. We provide evidence that SET8 is a direct target of miR-502. Treatment with miR-502 or downregulation of SET8 suppressed cell proliferation and cell cycle, and reduced cell migration, invasion and EMT. Clinical analyses showed the miR-502 expression was lower in tumor tissues than in adjacent non-tumor tissues and had a significant inverse correlation with that of SET8. Furthermore, high expression of SET8 was significantly associated with poor overall survival (OS) and disease free survival (DFS) of breast cancer. The low expression ratio of miR-502 to SET8 mRNA was also significantly associated with poor OS. Thus, the miR-502/SET8 regulatory circuit emerges as a key regulator of the pathobiology of cancer and a focal point for possible therapeutic intervention.
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Affiliation(s)
- Ben Liu
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Xining Zhang
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Fengju Song
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Hong Zheng
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Yanrui Zhao
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Haixin Li
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Lina Zhang
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Meng Yang
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Wei Zhang
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Cancer Biology, Comprehensive Cancer Center of Wake Forest Baptist Medical Center, Winston-Salem, NC 27157, USA.
| | - Kexin Chen
- Department of Epidemiology and Biostatistics, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China.
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