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Hao S, Yao Z, Liu Y. Hsa_circ_0000106 Acts as a Tumor Promoter in Pancreatic Cancer by Targeting the MiR-455-3p/HDAC4. Horm Metab Res 2023; 55:722-732. [PMID: 37553012 DOI: 10.1055/a-2125-7018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
Circular RNAs (circRNAs) frequently participate in pancreatic cancer (PC) progression. This study focuses on circ_0000106, a novel circRNA, and its potential function in PC development. Circ_00001106, miR-455-3p, and HDAC4 expression levels in PC were determined using qRT-PCR and immunoblotting. RNA immunoprecipitation and dual-luciferase reporter assays were performed to verify their binding interactions. Loss-of-function assays, including CCK-8, colony formation, and transwell assays, were used to estimate the proliferative and migratory properties of PC cells. A nude mouse model was constructed to assess the influence of circ_0000106 on tumor formation in vivo. A pronounced elevation of circ_0000106 and HDAC4 and a reduction of miR-455-3p in PC were observed. Circ_0000106 was prone to binding to miR-455-3p, and miR-455-3p further targeted HDAC4. Functionally, the proliferative and migratory properties of PC cells were dampened by the loss of circ_0000106 or HDAC4 and could be potentiated by miR-455-3p inhibition. Moreover, the knockdown of circ_0000106 delayed tumor growth in vivo. Additionally, the downregulation of miR-455-3p attenuated the repressive effects of circ_0000106 deficiency on PC cell migration and proliferation. Loss of HDAC4 exerted similar mitigative effects on miR-455-3p downregulation-stimulated PC cells. In conclusion, circ_0000106 promotes tumor migration and growth in PC by targeting the miR-455-3p/HDAC4 axis. These results suggest that the circ_0000106/miR-455-3p/HDAC4 network could be regarded as a latent target for PC treatment.
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Affiliation(s)
- Shunxin Hao
- Department of General Surgery, Wuhan University of Science and Technology Hospital, Wuhan, China
| | - Zhi Yao
- Department of General Surgery, Wuhan University of Science and Technology Hospital, Wuhan, China
| | - Yifeng Liu
- Department of General Surgery, Wuhan University of Science and Technology Hospital, Wuhan, China
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2
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Bernal L, Pinzi L, Rastelli G. Identification of Promising Drug Candidates against Prostate Cancer through Computationally-Driven Drug Repurposing. Int J Mol Sci 2023; 24:ijms24043135. [PMID: 36834548 PMCID: PMC9964599 DOI: 10.3390/ijms24043135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Prostate cancer (PC) is one of the most common types of cancer in males. Although early stages of PC are generally associated with favorable outcomes, advanced phases of the disease present a significantly poorer prognosis. Moreover, currently available therapeutic options for the treatment of PC are still limited, being mainly focused on androgen deprivation therapies and being characterized by low efficacy in patients. As a consequence, there is a pressing need to identify alternative and more effective therapeutics. In this study, we performed large-scale 2D and 3D similarity analyses between compounds reported in the DrugBank database and ChEMBL molecules with reported anti-proliferative activity on various PC cell lines. The analyses included also the identification of biological targets of ligands with potent activity on PC cells, as well as investigations on the activity annotations and clinical data associated with the more relevant compounds emerging from the ligand-based similarity results. The results led to the prioritization of a set of drugs and/or clinically tested candidates potentially useful in drug repurposing against PC.
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Affiliation(s)
- Leonardo Bernal
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125 Modena, Italy
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Luca Pinzi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125 Modena, Italy
| | - Giulio Rastelli
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125 Modena, Italy
- Correspondence: ; Tel.: +39-059-2058564
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3
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Neuroprotection of Bone Marrow-Derived Mesenchymal Stem Cell-Derived Extracellular Vesicle-Enclosed miR-410 Correlates with HDAC4 Knockdown in Hypoxic-Ischemic Brain Damage. Neurochem Res 2022; 47:3150-3166. [PMID: 36028735 DOI: 10.1007/s11064-022-03670-5] [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: 12/05/2021] [Revised: 06/07/2022] [Accepted: 06/23/2022] [Indexed: 10/15/2022]
Abstract
Evidence exists reporting that miR-410 may rescue neurological deficits, neuronal injury, and neuronal apoptosis after experimental hypoxic ischemia. This study aimed to explore the mechanism by which miR-410 transferred by bone marrow-derived mesenchymal stem cell-derived extracellular vesicles (BMSC-EVs) may alleviate hypoxic-ischemic brain damage (HIBD) in newborn mice. BMSCs were isolated from total bone marrow cells of femur and tibia of newborn mice, and primary neurons were extracted from the cerebral cortex of newborn mice within 24 h of birth. EVs were extracted from BMSCs transfected with the mimic or inhibitor of miR-410. Primary neurons were subjected to hypoxia and treated with overexpression (oe)-HDAC4, small interfering RNA (siRNA)-β-catenin, or Wnt pathway inhibitor and/or EV (miR-410 mimic) or EV (miR-410 inhibitor). A neonatal mouse HIBD model was established and treated with EVs. When BMSC-EVs were endocytosed by primary neurons, miR-410 was upregulated, neuronal viability was elevated, and apoptosis was inhibited. miR-410 in BMSC-EVs targeted HDAC4, thus increasing neuronal viability and reducing apoptosis. Conversely, overexpression of HDAC4 activated the Wnt pathway and enhanced the nuclear translocation of β-catenin. Treatment with miR-410-containing BMSC-EVs improved learning and memory abilities of HIBD mice while attenuating apoptosis by inactivating the Wnt pathway via targeting HDAC4. Taken together, the findings suggest that miR-410 delivered by BMSC-EVs alleviates HIBD by inhibiting HDAC4-dependent Wnt pathway activation.
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Singh T, Kaur P, Singh P, Singh S, Munshi A. Differential molecular mechanistic behavior of HDACs in cancer progression. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 39:171. [PMID: 35972597 DOI: 10.1007/s12032-022-01770-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 06/10/2022] [Indexed: 12/13/2022]
Abstract
Genetic aberration including mutation in oncogenes and tumor suppressor genes transforms normal cells into tumor cells. Epigenetic modifications work concertedly with genetic factors in controlling cancer development. Histone acetyltransferases (HATs), histone deacetylases (HDACs), DNA methyltransferases (DNMTs) and chromatin structure modifier are prospective epigenetic regulators. Specifically, HDACs are histone modifiers regulating the expression of genes implicated in cell survival, growth, apoptosis, and metabolism. The majority of HDACs are highly upregulated in cancer, whereas some have a varied function and expression in cancer progression. Distinct HDACs have a positive and negative role in controlling cancer progression. HDACs are also significantly involved in tumor cells acquiring metastatic and angiogenic potential in order to withstand the anti-tumor microenvironment. HDACs' role in modulating metabolic genes has also been associated with tumor development and survival. This review highlights and discusses the molecular mechanisms of HDACs by which they regulate cell survival, apoptosis, metastasis, invasion, stemness potential, angiogenesis, and epithelial to mesenchymal transitions (EMT) in tumor cells. HDACs are the potential target for anti-cancer drug development and various inhibitors have been developed and FDA approved for a variety of cancers. The primary HDAC inhibitors with proven anti-cancer efficacy have also been highlighted in this review.
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Affiliation(s)
- Tashvinder Singh
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India
| | - Prabhsimran Kaur
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India
| | | | - Sandeep Singh
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India.
| | - Anjana Munshi
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India.
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5
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Histone Modifications and Non-Coding RNAs: Mutual Epigenetic Regulation and Role in Pathogenesis. Int J Mol Sci 2022; 23:ijms23105801. [PMID: 35628612 PMCID: PMC9146199 DOI: 10.3390/ijms23105801] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/12/2022] [Accepted: 05/18/2022] [Indexed: 12/07/2022] Open
Abstract
In the last few years, more and more scientists have suggested and confirmed that epigenetic regulators are tightly connected and form a comprehensive network of regulatory pathways and feedback loops. This is particularly interesting for a better understanding of processes that occur in the development and progression of various diseases. Appearing on the preclinical stages of diseases, epigenetic aberrations may be prominent biomarkers. Being dynamic and reversible, epigenetic modifications could become targets for a novel option for therapy. Therefore, in this review, we are focusing on histone modifications and ncRNAs, their mutual regulation, role in cellular processes and potential clinical application.
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6
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Chen Y. Role of miR-720 in prognosis and progression of gastric cancer. Shijie Huaren Xiaohua Zazhi 2022; 30:349-355. [DOI: 10.11569/wcjd.v30.i8.349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Gastric cancer is a common malignant tumor of the digestive system with a high incidence and poor prognosis. Due to the lack of effective markers, patients are always diagnosed at an advanced stage and miss the best chance for treatment. The function of miR-720 in other malignancies has been widely reported, but its specific role in the development of gastric cancer remains unknown.
AIM To evaluate the value of miR-720 in the prognosis and tumor progression of gastric cancer, by analyzing its expression level and biological effect in gastric cancer.
METHODS The expression level of miR-720 was analyzed by real-time quantitative PCR, the prognostic value of miR-720 was evaluated by Kaplan-Meier and Cox regression analysis, and the proliferation, metastasis, and invasion of gastric cancer cells with down-regulated expression of miR-720 were analyzed by CCK-8 and Transwell assays.
RESULTS The expression of miR-720 was down-regulated in gastric cancer tissues and cell lines, which was significantly associated with TNM stage and poor prognosis of patients (P < 0.05). MiR-720 expression and TNM stage were identified as independent prognostic factors for gastric cancer, and down-regulated expression of miR-720 promoted the proliferation, metastasis, and invasion of gastric cancer cells.
CONCLUSION MiR-720 may be involved in the progression of gastric cancer and provide a new therapeutic target for the treatment of this malignancy.
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Affiliation(s)
- Ying Chen
- Department of GI Medicine, Zhuji Central Hospital, Zhuji 311899, Zhejiang Province, China
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7
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MicroRNAs associated with signaling pathways and exercise adaptation in sarcopenia. Life Sci 2021; 285:119926. [PMID: 34480932 DOI: 10.1016/j.lfs.2021.119926] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 01/06/2023]
Abstract
Considering the expansion of human life-span over the past few decades; sarcopenia, a physiological consequence of aging process characterized with a diminution in mass and strength of skeletal muscle, has become more frequent. Thus, there is a growing need for expanding our knowledge on the molecular mechanisms of muscle atrophy in sarcopenia which are complex and involve many signaling pathways associated with protein degradation and synthesis. MicroRNAs (miRNAs) as evolutionary conserved small RNAs, could complementarily bind to their target mRNAs and post-transcriptionally inhibit their translation. Aberrant expression of miRNAs contributes to the development of sarcopenia by regulating the expression of critical genes involved in age-related skeletal muscle mass loss. Here we have a review on the signaling pathways along with the miRNAs controlling their components expression and subsequently we provide a brief overview on the effects of exercise on expression pattern of miRNAs in sarcopenia.
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8
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Li M, Wang Y, Zhao Q, Ma W, Liu J. MiR-30a-5p inhibits proliferation, migration and invasion of nasopharyngeal carcinoma cells by targeting NUCB2. Hum Exp Toxicol 2021; 40:1274-1285. [PMID: 33567921 DOI: 10.1177/0960327121991913] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Nasopharyngeal carcinoma (NPC) is a malignant head and neck tumor arising in the nasopharynx. MicroRNAs (miRNAs) are elucidated to exert tumor-suppressing function in human cancers. Numerous studies have manifested that miR-30a-5p serves as an anti-oncogene in various cancers. OBJECTIVE To research the biological function and molecular mechanism of miR-30a-5p in NPC. METHODS The morphology of NPC tissues was revealed by H&E staining. Transwell and wound healing assays were applied to investigate the effects of miR-30a-5p on NPC cell migration. The binding interaction between miR-30a-5p and nucleobindin 2 (NUCB2) was identified by luciferase reporter assay. Xenograft nude mice were used to detect the influence of miR-30a-5p on NPC tumor growth. RESULTS MiR-30a-5p was downregulated in NPC tissues and cells. The overexpression ofmiR-30a-5p inhibited proliferation, migration and invasion abilities of NPC cells. Moreover, NUCB2 was revealed to be a downstream target gene of miR-30a-5p, and knockdown of NUCB2 repressed the malignant behaviors of NPC cells and tumor growth. Additionally, rescue experiments revealed that miR-30a-5p suppressed the proliferation, migration and invasion of NPC cells via targeting NUCB2 in vitro. Meanwhile, in vivo assays depicted that NUCB2 overexpression rescued the effects induced by miR-30a-5p upregulation on tumor growth. CONCLUSION MiR-30a-5p modulates NPC progression by targeting NUCB2. These findings lay a foundation for exploring the clinical treatment of NPC.
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Affiliation(s)
- M Li
- Department of Otorhinolaryngology, 74566The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- M Li and Y Wang are co-first authors
| | - Y Wang
- Department of Otorhinolaryngology, 74566The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- M Li and Y Wang are co-first authors
| | - Q Zhao
- Department of Radiation Oncology, 74566The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - W Ma
- Department of Quality Management, 74566The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - J Liu
- Department of Otorhinolaryngology, 74566The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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9
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Chen L, Fei Y, Zhao Y, Chen Q, Chen P, Pan L. Expression and prognostic analyses of HDACs in human gastric cancer based on bioinformatic analysis. Medicine (Baltimore) 2021; 100:e26554. [PMID: 34232196 PMCID: PMC8270587 DOI: 10.1097/md.0000000000026554] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 06/01/2021] [Indexed: 01/04/2023] Open
Abstract
Gastric cancer (GC) is a common cancerous tumor, and is the third leading cause of cancer mortality worldwide. Although comprehensive therapies of GC have been widely used in clinical set ups, advanced gastric cancer carries is characterized by poor prognosis, probably due to lack of effective prognostic biomarkers. Mammalian histone deacetylase family, histone deacetylases (HDACs), play significant roles in initiation and progression of tumors. Aberrant expression of HDACs is reported in many cancer types including gastric cancer, and may serve as candidate biomarkers or therapeutic targets for GC patients.Gene Expression Profiling Interactive Analysis was used to explore mRNA levels of HDACs in GC. Kaplan-Meier plotter was used to determine the prognostic value of HDACs mRNA expression in GC. Genomic profiles including mutations of HDACs were retrieved from cBioPortal webserver. A protein-protein interaction network was constructed using STRING database. GeneMANIA was used to retrieve additional genes or proteins related to HDACs. R software was used for functional enrichment analyses.Analysis of mRNA levels of HDAC1/2/4/8/9 showed that they were upregulated in GC tissues, whereas HDAC6/10 was downregulated in GC tissues. Aberrant expression of HDAC1/3/4/5/6/7/8/10/11 was all correlated with prognosis in GC. In addition, expression levels of HDACs were correlated with different Lauren classifications, and clinical stages, lymph node status, treatment, and human epidermal growth factor receptor 2 status in GC.The findings of this study showed that HDAC members are potential biomarkers for diagnosis or prognosis of gastric cancer. However, further studies should be conducted to validate these findings.
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Affiliation(s)
- Luting Chen
- Department of First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou
| | - Yuchang Fei
- Department of Integrated Chinese and Western Medicine, The First People's Hospital of Jiashan, Jiaxing, Zhejiang, China
| | - Yurong Zhao
- Department of First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou
| | - Quan Chen
- Department of First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou
| | - Peifeng Chen
- Department of First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou
| | - Lei Pan
- Department of First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou
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10
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Wang YH, Zhu ZR, Tong D, Zhou R, Xiao K, Peng L. MicroRNAs and Lung Cancer: A Review Focused on Targeted Genes. EXPLORATORY RESEARCH AND HYPOTHESIS IN MEDICINE 2021; 000:1-10. [DOI: 10.14218/erhm.2020.00058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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11
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He W, Liu X, Luo Z, Li L, Fang X. FGF16 regulated by miR-520b enhances the cell proliferation of lung cancer. Open Med (Wars) 2021; 16:419-427. [PMID: 33758783 PMCID: PMC7961213 DOI: 10.1515/med-2021-0232] [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: 09/09/2020] [Revised: 12/03/2020] [Accepted: 12/24/2020] [Indexed: 12/27/2022] Open
Abstract
FGF16 is implicated in the progression of some specific types of cancers, such as embryonic carcinoma, ovarian cancer, and liver cancer. Yet, the function of FGF16 in the development of lung cancer remains largely unexplored. In this study, we present the novel function of FGF16 and the regulation of miR-520b on FGF16 in lung cancer progression. In clinical lung cancer tissues, FGF16 is overexpressed and its high level is negatively associated with the low level of miR-520b. Furthermore, both the transcription and translation levels of FGF16 are restrained by miR-520b in lung cancer cells. For the regulatory mechanism investigation, miR-520b is able to directly bind to the 3′-untranslated region (3′UTR) of FGF16 mRNA, leading to its mRNA cleavage in the cells. Functionally, miR-520b reduces the growth of lung cancer and its inhibitor anti-miR520b is able to promote the growth through competing endogenous miR-520b. Moreover, FGF16 silence using RNA interference is capable of doing great damage to anti-miR-520b-accelerated growth of lung cancer. Thus, our finding indicates that FGF16 is a new target gene of miR-520b in lung cancer. For lung cancer, FGF16 may serve as a novel biomarker and miR-520b/FGF16 may be useful in clinical treatment.
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Affiliation(s)
- Wenfeng He
- Department of Oncology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, Guangdong, 510145, China
| | - Xia Liu
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510180, China
| | - Zhijie Luo
- Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510405, China
| | - Longmei Li
- Department of Oncology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, Guangdong, 510145, China
| | - Xisheng Fang
- Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510180, China
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12
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Zhang H, Zheng XD, Zeng XH, Li L, Zhou Q. miR-520b Inhibits IGF-1R to Increase Doxorubicin Sensitivity and Promote Cell Apoptosis in Breast Cancer. YAKUGAKU ZASSHI 2020; 141:415-426. [PMID: 33116033 DOI: 10.1248/yakushi.20-00160] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Doxorubicin (DOX) is currently one of the most widely used and effective drugs for the treatment of breast cancer, but drug resistance in breast cancer often leads to poor efficacy. MicroRNAs (miRNAs) are involved in the development and progression of various tumors and increasing number of studies have confirmed that abnormal miR-520b expression is closely associated breast cancer. We analyzed the clinical features, including miR-520b, of 30 patients with breast cancer. Further, we analyzed the interaction between miR-520b and insulin-like growth factor 1 receptor (IGF-1R) in breast cancer cell. miR-520b expression was significantly increased in chemotherapy-sensitive patients and was positively correlated with the chemotherapeutic efficacy in breast cancer. Cell proliferation assay confirmed that miR-520b promotes DOX-induced breast cancer cell apoptosis by regulating the PI3K/AKT signaling pathway. Moreover, bioinformatics method and dual luciferase reporter assay demonstrated that miR-520b negatively regulates IGF-1R, and IGF-1R overexpression and enhanced activity are closely associated with tumor development, progression, metastasis, and chemotherapy resistance. Similarly, cell proliferation assay showed that IGF-1R is negatively correlated with the efficacy of DOX chemotherapy and affects cell apoptosis mediated by the PI3K/AKT signaling pathway. On the contrary, miR-520b can downregulate the expression of IGF-1R. miR-520b increases DOX sensitivity and promotes cell apoptosis in breast cancer by inhibiting IGF-1R expression by the PI3K/AKT signaling pathway.
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Affiliation(s)
- Hui Zhang
- Breast Cancer Center, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital
| | - Xiao-Dong Zheng
- Breast Cancer Center, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital
| | - Xiao-Hua Zeng
- Breast Cancer Center, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital
| | - Li Li
- Department of Gynecologic Oncology, Affiliated Tumor Hospital of Guangxi Medical University
| | - Qi Zhou
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital.,Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital
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Wang T, Zhai R, Lv X, Wang K, Xu J. LINC02418 promotes malignant behaviors in lung adenocarcinoma cells by sponging miR-4677-3p to upregulate KNL1 expression. BMC Pulm Med 2020; 20:217. [PMID: 32795273 PMCID: PMC7427971 DOI: 10.1186/s12890-020-01229-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 07/08/2020] [Indexed: 12/12/2022] Open
Abstract
Background Lung adenocarcinoma (LAD) is a prevalent type of bronchogenic malignant tumor and one of the most critical factors related to human death. Long noncoding RNAs (lncRNAs) are involved in many complex biological processes and have been emerged as extremely important regulators of various cancers. LINC02418, a novel lncRNA, hasn’t been mentioned in previous studies on cancer development. Therefore, it’s important to define the potential function of LINC02418 in LAD. Methods Gene expression was examined by RT-qPCR or western blot. CCK-8, colony formation, TUNEL, and transwell assays were utilized to study the role of LINC02418 in LAD. The interaction of miR-4677-3p with LINC02418 (or KNL1) was verified through luciferase reporter, RIP and RNA pull-down assays. Results High expression of LINC02418 was observed in LAD specimens and cells. Downregulation of LINC02418 obstructed the proliferation and motility of LAD cells. Moreover, LINC02418 negatively modulated miR-4677-3p expression and miR-4677-3p overexpression could repress cell proliferation and migration. Moreover, kinetochore scaffold 1 (KNL1) expression was negatively modulated by miR-4677-3p but positively regulated by LINC02418. Furthermore, miR-4677-3p could bind with LINC02418 (or KNL1). Finally, KNL1 overexpression reversed the inhibitory function of LINC02418 deficiency in the malignant behaviors of LAD cells. Conclusions LINC02418 contributes to the malignancy in LAD via miR-4677-3p/KNL1 signaling, providing a probable therapeutic direction for LAD.
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Affiliation(s)
- Tao Wang
- Department of Thoracic Surgery, The Second Affiliated Hospital of Air Force Medical University, Xi'an, 710038, Shaanxi, China
| | - Ruiren Zhai
- Department of Tumor Center, Sunshine Union Hospital, Weifang, 261000, Shandong, China
| | - Xiuhua Lv
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.
| | - Ke Wang
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Junqing Xu
- Department of Radiology, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, No.1098 Xueyuan Avenue, Nanshan District, Shenzhen, 518055, Guangdong, China.
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14
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Xing L, Yang R, Wang X, Zheng X, Yang X, Zhang L, Jiang R, Ren G, Chen J. The circRNA circIFI30 promotes progression of triple-negative breast cancer and correlates with prognosis. Aging (Albany NY) 2020; 12:10983-11003. [PMID: 32497020 PMCID: PMC7346060 DOI: 10.18632/aging.103311] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 03/31/2020] [Indexed: 01/16/2023]
Abstract
Growing evidence suggests that circRNAs exert a critical role in tumorigenesis and cancer progression. To date, the molecular mechanisms underlying circRNAs in triple-negative breast cancer (TNBC) are still poorly known. Here, circRNA expression profile was investigated by RNA sequencing in TNBC tissues and matched para-carcinoma tissues. We found that circIFI30 was significantly up-regulated in TNBC tissues and cells using quantitative real-time PCR and in situ hybridization. High circIFI30 expression was positively correlated with clinical TNM stage, pathological grade and poor prognosis of TNBC patients. Functionally, a series of in vivo and in vitro experiments showed that knockdown of circIFI30 could markedly inhibit TNBC cell proliferation, migration, invasion and cell cycle progression, induce apoptosis as well as suppress tumorigenesis and metastasis. Up-regulation of circIFI30 exerted an opposite effect. Mechanistically, we demonstrated that circIFI30 might act as a competing endogenous RNA (ceRNA) of miR-520b-3p to abolish the suppressive effect on target gene CD44 by fluorescent in situ hybridization (FISH), dual luciferase reporter assay, RNA immunoprecipitation and RNA pull-down assays. Therefore, our work uncovers the mechanism by which circIFI30 could promote TNBC progression through circIFI30/miR-520b-3p/CD44 axis and circIFI30 could be a novel diagnostic/prognostic marker and therapeutic target for TNBC patients.
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Affiliation(s)
- Lei Xing
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Rui Yang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Xiaosong Wang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Xiaying Zheng
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Xin Yang
- Department of Thoracic Surgery, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Luyu Zhang
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, China
| | - Rong Jiang
- Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, China
| | - Guosheng Ren
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Junxia Chen
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
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Zheng XS, Liu HJ, Zhang LL, Li H, Wang CJ, Xin YJ, Hao R. MiR-559 targets GP73 to suppress proliferation and invasion of hepatocellular carcinoma in vitro. Kaohsiung J Med Sci 2020; 36:793-798. [PMID: 32492286 DOI: 10.1002/kjm2.12246] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 04/25/2020] [Accepted: 05/17/2020] [Indexed: 12/27/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the common malignant tumors with poor overall prognosis. As a tumor suppressor, the function of miR-559 in HCC is not clear. In this study, quantitative real-time PCR was carried out to measure the expression of miR-559 in HCC cell lines. The effects of miR-559 on HCC cell proliferation, migration, and invasion were evaluated through a series of functional assays. The mechanism through which miR-559 regulates HCC cells was investigated by dual-luciferase reporter assay and functional experiments. The results revealed that miR-559 expression was low in HCC cell lines. Upregulation of miR-559 suppressed HCC cell proliferation, migration, and invasion. Dual-luciferase reporter assay confirmed Golgi membrane protein 73 (GP73) as a target gene of miR-559. Moreover, miR-559 could negatively regulate GP73 expression in HCC cells. These results demonstrated that low-level expression of miR-559 was associated with HCC, and overexpression of miR-559 could inhibit HCC cell growth and invasion via targeting GP73.
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Affiliation(s)
- Xue-Song Zheng
- Department of Otolaryngology, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
| | - Hai-Jie Liu
- Department of Ultrasonography, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
| | - Lian-Lian Zhang
- Department of Pharmacy, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
| | - Hui Li
- Department of Clinical Laboratory, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
| | - Chun-Jing Wang
- Department of Gastroenterology, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
| | - Ye-Jiu Xin
- Department of Cardiovascular Medicine, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
| | - Rui Hao
- Department of Infectious Diseases, Affiliated Hospital of Beihua University, Jilin City, Jilin Province, China
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16
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Chen Z, Zhang Z, Guo L, Wei X, Zhang Y, Wang X, Wei L. The role of histone deacetylase 4 during chondrocyte hypertrophy and endochondral bone development. Bone Joint Res 2020; 9:82-89. [PMID: 32435460 PMCID: PMC7229302 DOI: 10.1302/2046-3758.92.bjr-2019-0172.r1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Chondrocyte hypertrophy represents a crucial turning point during endochondral bone development. This process is tightly regulated by various factors, constituting a regulatory network that maintains normal bone development. Histone deacetylase 4 (HDAC4) is the most well-characterized member of the HDAC class IIa family and participates in different signalling networks during development in various tissues by promoting chromatin condensation and transcriptional repression. Studies have reported that HDAC4-null mice display premature ossification of developing bones due to ectopic and early-onset chondrocyte hypertrophy. Overexpression of HDAC4 in proliferating chondrocytes inhibits hypertrophy and ossification of developing bones, which suggests that HDAC4, as a negative regulator, is involved in the network regulating chondrocyte hypertrophy. Overall, HDAC4 plays a key role during bone development and disease. Thus, understanding the role of HDAC4 during chondrocyte hypertrophy and endochondral bone formation and its features regarding the structure, function, and regulation of this process will not only provide new insight into the mechanisms by which HDAC4 is involved in chondrocyte hypertrophy and endochondral bone development, but will also create a platform for developing a therapeutic strategy for related diseases. Cite this article:Bone Joint Res. 2020;9(2):82–89.
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Affiliation(s)
- Zhi Chen
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Zhiwei Zhang
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Li Guo
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xiaochun Wei
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Yang Zhang
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xiaojian Wang
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Lei Wei
- Department of Orthopedics, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
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Liu Y, Li J, Wang S, Song H, Yu T. STAT4-mediated down-regulation of miR-3619-5p facilitates stomach adenocarcinoma by modulating TBC1D10B. Cancer Biol Ther 2020; 21:656-664. [PMID: 32397798 DOI: 10.1080/15384047.2020.1754690] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) as the subtype of non-coding RNAs are revealed to be crucial players in cellular activities. It has been reported that miR-3619-5p functions as a tumor inhibitor in several cancers. However, the connection between miR-3619-5p and stomach adenocarcinoma (STAD) remains to be discovered. AIM OF THE STUDY The purpose of the study is to figure out the role and molecular regulation mechanism of miR-3619-5p in STAD. METHODS The expression of miR-3619-5p was evaluated via qRT-PCR analysis. Gain-of-function experiments demonstrated the effects of miR-3619-5p on cellular functions. The upper-stream transcription factor STAT4 and downstream target gene TBC1D10B of miR-3619-5p were identified by bioinformatic analysis. The binding and interaction between the indicated molecules were verified by RNA pull-down and luciferase reporter assays. RESULTS The expression of miR-3619-5p was prominently down-regulated in STAD cells and tissues. MiR-3619-5p suppresses cell proliferation, migration, invasion and tumor growth in STAD. Further, STAT4 bound with miR-3619-5p promoter and inhibited its transcription. MiR-3619-5p was also recognized to modulate STAD progression through the regulation of downstream target gene TBC1D10B. CONCLUSION STAT4-mediated miR-3619-5p controls STAD carcinogenesis and progression through modulating TBC1D10B expression, which may provide a novel insight for researching the STAD-related molecular mechanism.
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Affiliation(s)
- Yinhua Liu
- Department of Pathology, Wannan Medical College First Affiliated Hospital, Yijishan Hospital , Wuhu, Anhui Province, China
| | - Jiaping Li
- Department of Cardiothoracic Surgery, Wannan Medical College First Affiliated Hospital, Yijishan Hospital , Wuhu, Anhui Province, China
| | - Sufeng Wang
- Department of Pathology, Wannan Medical College First Affiliated Hospital, Yijishan Hospital , Wuhu, Anhui Province, China
| | - Hong Song
- Department of Pathology, Wannan Medical College First Affiliated Hospital, Yijishan Hospital , Wuhu, Anhui Province, China
| | - Tao Yu
- Department of Neurosurgical Intensive Care Unit, Wannan Medical College First Affiliated Hospital, Yijishan Hospital , Wuhu, Anhui Province, China.,Research Center for Functional Maintenance and Reconstruction of Viscera, Wannan Medical College First Affiliated Hospital, Yijishan Hospital , Wuhu, Anhui Province, China
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18
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Chen QY, Shen S, Sun H, Wu F, Kluz T, Kibriya MG, Chen Y, Ahsan H, Costa M. PBMC gene expression profiles of female Bangladeshi adults chronically exposed to arsenic-contaminated drinking water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 259:113672. [PMID: 31918125 PMCID: PMC11062206 DOI: 10.1016/j.envpol.2019.113672] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/06/2019] [Accepted: 11/22/2019] [Indexed: 06/10/2023]
Abstract
Arsenic, a class I human carcinogen, is ubiquitously found throughout the environment and around the globe, posing a great public health concern. Notably, Bangladesh and regions of West Bengal have been found to have high levels (0.5-4600 μg/L) of arsenic drinking water contamination, and approximately 50 million of the world's 200 million people chronically exposed to arsenic in Bangladesh alone. This study was carried out to examine genome-wide gene expression changes in individuals chronically exposed to arsenic-contaminated drinking water. Our study population includes twenty-nine Bangladeshi female participants with urinary arsenic levels ranging from 22.32 to 1828.12 μg/g creatinine. RNA extracted from peripheral blood mononuclear cells (PBMCs) were evaluated using RNA-Sequencing analysis. Our results indicate that a total of 1,054 genes were significantly associated with increasing urinary arsenic levels (FDR p < 0.05), which include 418 down-regulated and 636 up-regulated genes. Further Ingenuity Pathway Analysis revealed potential target genes (DAPK1, EGR2, APP), microRNAs (miR-155, -338, -210) and pathways (NOTCH signaling pathway) related to arsenic carcinogenesis. The selection of female-only participants provides a homogenous study population since arsenic has significant sex dependent effects, and the wide exposure range provides new insight for key gene expression changes that correlate with increasing urinary arsenic levels.
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Affiliation(s)
- Qiao Yi Chen
- Department of Environmental Medicine, New York University School of Medicine, 10010, New York, NY, USA.
| | - Steven Shen
- Institute of Health Informatics, University of Minnesota, 55455, Minneapolis, MN, USA
| | - Hong Sun
- Department of Environmental Medicine, New York University School of Medicine, 10010, New York, NY, USA
| | - Fen Wu
- Department of Population Health and Environmental Medicine, 10016, New York University School of Medicine, New York, NY, USA
| | - Thomas Kluz
- Department of Environmental Medicine, New York University School of Medicine, 10010, New York, NY, USA
| | - Muhammad G Kibriya
- Institute for Population and Precision Health, Department of Public Health Sciences, The University of Chicago, Chicago, IL, 60637, USA
| | - Yu Chen
- Department of Population Health and Environmental Medicine, 10016, New York University School of Medicine, New York, NY, USA
| | - Habibul Ahsan
- Institute for Population and Precision Health, Department of Public Health Sciences, The University of Chicago, Chicago, IL, 60637, USA
| | - Max Costa
- Department of Environmental Medicine, New York University School of Medicine, 10010, New York, NY, USA.
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Zhang F, Zhu Y, Wu S, Hou G, Wu N, Qian L, Yang D. MLK3 is a newly identified microRNA-520b target that regulates liver cancer cell migration. PLoS One 2020; 15:e0230716. [PMID: 32214367 PMCID: PMC7098554 DOI: 10.1371/journal.pone.0230716] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 03/06/2020] [Indexed: 12/15/2022] Open
Abstract
The roles of microRNAs (miRNAs) in liver cancer have attracted much attention in recent years. In this study, we demonstrate that miR-520b is downregulated in MHCC-97H cells, a liver cancer cell line with high potential of metastasis, compared with MHCC-97L cells which has a low potential of metastasis. Furthermore, the enhanced expression of miR-520b could inhibit liver cancer cell migration, while silencing its expression resulted in increased migration. Mixed lineage kinase 3 (MLK3) was identified as a direct and functional new target of miR-520b. This regulation was also confirmed by luciferase reporter assays. In addition, our results showed that overexpression of the MLK3 expression partially reversed the effect of miR-520b on liver cancer cell migration, indicating that MLK3 contributes to the migration in liver cancer. The newly identified miR-520b/MLK3 axis partially elucidates the molecular mechanism of liver cancer cell migration and represents a new potential therapeutic target for liver cancer treatment.
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Affiliation(s)
- Fei Zhang
- Anhui Vocational College of Defense Technology, Lu'an, Anhui, China
| | - Yu Zhu
- The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shuhua Wu
- Anhui Provincial Children's Hospital, Hefei, Anhui, China
| | - Guodong Hou
- Anhui Vocational College of Defense Technology, Lu'an, Anhui, China
| | - Nianxiang Wu
- Anhui Vocational College of Defense Technology, Lu'an, Anhui, China
| | - Lirun Qian
- Anhui Vocational College of Defense Technology, Lu'an, Anhui, China
| | - Dong Yang
- Department of Hepatobiliary Surgery, Zhuji People's Hospital of Zhejiang Province, Zhuji, Zhejiang, China
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20
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Zhang X, Li M, Sun G, Bai Y, Lv D, Liu C. MiR-563 restrains cell proliferation via targeting LIN28B in human lung cancer. Thorac Cancer 2019; 11:55-61. [PMID: 31766078 PMCID: PMC6938763 DOI: 10.1111/1759-7714.13257] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/31/2019] [Accepted: 11/04/2019] [Indexed: 11/28/2022] Open
Abstract
Background Previous investigations have revealed that miR‐563 is associated with a number of diseases including the ossification of posterior longitudinal ligament, Parkinson's disease or drug resistance to leukemia. Yet, the role of miR‐563 and its molecular mechanism in the initiation and progression of cancers has not been previously explored. In this study, we aimed to provide clues to the function of miR‐563 and its direct target in lung cancer. Methods Online informatics software was applied to predict the target genes of miR‐563. MiR‐563 targeting LIN28B was evaluated through the luciferase reporter gene analysis. The effect of miR‐563 on LIN28B at the level of RNA and protein was detected using RT‐PCR and immunoblotting. The ability of proliferation of human lung cancer A549 was examined by MTT assay. RNA interference targeting LIN28B was examined through immunoblotting. The level of miR‐563 and LIN28B and their correlation were analyzed in 27 cases of lung tumor tissues by real‐time PCR. Results Oncogenic LIN28B was identified as one of the target genes of miR‐563 in lung cancer cells. MiR‐563 dose‐dependently decreased the LIN28B RNA level and subsequently its protein level in the cells. Cell proliferation was suppressed by ectopic miR‐563 expression and was accelerated after endogenous miR‐563 was knocked down by its inhibitor. However, silence in LIN28B reversed promotion of cell proliferation by the inhibition of miR‐563. In lung cancer tissues, miR‐563 was decreased and negative correlation of miR‐563 and LIN28B was shown. Conclusion MiR‐563 plays a tumor suppressive role in lung cancer progression via targeting oncogenic LIN28B.
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Affiliation(s)
- Xuefei Zhang
- Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China
| | - Mo Li
- Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China
| | - Ge Sun
- Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China
| | - Yu Bai
- Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China
| | - Desheng Lv
- Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China
| | - Changhong Liu
- Department of Thoracic Surgery, The Second Hospital of Dalian Medical University, Dalian, China
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21
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Wang Z, Gao L, Guo X, Feng C, Deng K, Lian W, Xing B. Identification of microRNAs associated with the aggressiveness of prolactin pituitary tumors using bioinformatic analysis. Oncol Rep 2019; 42:533-548. [PMID: 31173251 PMCID: PMC6609352 DOI: 10.3892/or.2019.7173] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 05/23/2019] [Indexed: 12/14/2022] Open
Abstract
Aggressive prolactin pituitary tumors, which exhibit aggressive behaviors and resistance to conventional treatments, are a huge challenge for neurosurgeons. Many studies have investigated the roles of microRNAs (miRNAs) in pituitary tumorigenesis, invasion and metastasis, but few have explored aggressiveness-associated miRNAs in aggressive pituitary tumors. Differentially expressed miRNAs (DEMs) between aggressive and nonaggressive prolactin pituitary tumors were screened using the GSE46294 miRNA expression profile downloaded from the GEO database. The potential target genes of the top three most highly upregulated and downregulated DEMs were predicted by miRTarBase, and potential functional annotation and pathway enrichment analysis were performed using the DAVID database. Protein-protein interaction (PPI) and miRNA-hub gene interaction networks were constructed by Cytoscape software. A total of 43 DEMs were identified, including 19 upregulated and 24 downregulated miRNAs, between aggressive and nonaggressive prolactin pituitary tumors. One hundred and seventy and 680 target genes were predicted for the top three most highly upregulated and downregulated miRNAs, respectively, and these genes were involved in functional enrichment pathways, such as regulation of transcription from RNA polymerase II promoter, DNA-templated transcription, Wnt signaling pathway, protein binding, and transcription factor activity (sequence-specific DNA binding). In the PPI network, the top 10 genes with the highest degree of connectivity of the upregulated and downregulated DEMs were selected as hub genes. By constructing an miRNA-hub gene network, it was found that most hub genes were potentially modulated by hsa-miR-489 and hsa-miR-520b. Targeting hsa-miR-489 and hsa-miR-520b may provide new clues for the diagnosis and treatment of aggressive prolactin pituitary tumors.
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Affiliation(s)
- Zihao Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
| | - Lu Gao
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
| | - Xiaopeng Guo
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
| | - Chenzhe Feng
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
| | - Kan Deng
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
| | - Wei Lian
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
| | - Bing Xing
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing 100730, P.R. China
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22
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Long noncoding RNA TUG1 promotes proliferation and inhibits apoptosis in multiple myeloma by inhibiting miR-29b-3p. Biosci Rep 2019; 39:BSR20182489. [PMID: 30842339 PMCID: PMC6430741 DOI: 10.1042/bsr20182489] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 02/21/2019] [Accepted: 03/05/2019] [Indexed: 02/07/2023] Open
Abstract
Background: Long non-coding RNA taurine up-regulated gene 1 (TUG1) was reportedly involved in initiation and development of several cancers. However, its function and molecular mechanisms in multiple myeloma (MM) are still unclear. The present study aimed to determine the expression status, biological function, and potential mechanisms of TUG1 in the progression of MM. Materials and methods: The expression levels of TUG1 were examined in MM samples and cell lines by real-time quantitative PCR. The effects of TUG1 on MM cells proliferation and apoptosis were assessed using Cell Counting Kit-8 assay and flow cytometry respectively. MiRNAs-targeted sites in TUG1 were screened by Starbase2.0 and were identified by RNA immunoprecipitation assay combined with luciferase reporter assay. Results: The expression levels of TUG1 were markedly increased in MM samples and cell lines. Knockdown of TUG1 significantly suppressed the proliferation, induced cell cycle arrest at G1/G0 phase, and promoted apoptosis of MM cells. In exploring the regulatory mechanism, miR-29b-3p was confirmed to be a direct target of TUG1, and repression of miR-29b-3p could partially rescue the effect TUG1 knockdown on MM cell proliferation, cycle, and apoptosis. In addition, TUG1 positively modulated histone deacetylases 4 (HDAC4, a target of miR-29b-3p) expression through sponging of miR-29b-3p in MM cells. Conclusion: These findings suggested that TUG1 exerted an oncogenic role in MM by acting as a competing endogenous RNA of miR-29b-3p, and implied the potential application of TUG1 in treatment for MM.
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23
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Han X, Tang Y, Dai Y, Hu S, Zhou J, Liu X, Zhu J, Wu Y. MiR-889 promotes cell growth in human non-small cell lung cancer by regulating KLF9. Gene 2019; 699:94-101. [PMID: 30849540 DOI: 10.1016/j.gene.2019.02.077] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 02/14/2019] [Accepted: 02/17/2019] [Indexed: 02/06/2023]
Abstract
Currently, non-small cell lung cancer (NSCLC) is still the most common malignancy worldwide. Although miR-889 has been reported to play an important role in various malignancies, the physiological function of miR-889 in NSCLC remains unknown. This paper places emphasis on the influence of miR-889 on the development and progression of non-small cell lung cancer. To detect the expression level of miR-889 in NSCLC tissues and cell lines, quantitative real-time polymerase chain reaction (qRT-PCR) assay and In Situ Hybridization (ISH) were adopted in this study. Cell proliferation and colony forming ability were examined by Cell Counting Kit-8 (CCK-8) and colony formation assays. Furthermore, transwell experiments were conducted to determine the influence of miR-889 on migration. KLF9 expression was evaluated by qRT-PCR and Western blotting. First, miR-889 expression was increased in the cancer tissues of non-small cell lung cancer patients (n = 40) compared with adjacent tissues. Subsequently, knockdown of miR-889 significantly inhibited cell proliferation and migration, while overexpression of miR-889 had the opposite effect. KLF9 may be a potential target of miR-889. In addition, upregulation of miR-889 promotes tumorigenesis in vitro, and KLF9 protein levels are also reduced. The current study suggests that miR-889 may play a potential therapeutic role for NSCLC by targeting KLF9 to control NSCLC proliferation and migration.
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Affiliation(s)
- Xu Han
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yihu Tang
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yawei Dai
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shuai Hu
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jingxin Zhou
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiang Liu
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jinfu Zhu
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
| | - Yanhu Wu
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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24
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Liu H, Du F, Sun L, Wu Q, Wu J, Tong M, Wang X, Wang Q, Cao T, Gao X, Cao J, Wu N, Nie Y, Fan D, Lu Y, Zhao X. GATA6 suppresses migration and metastasis by regulating the miR-520b/CREB1 axis in gastric cancer. Cell Death Dis 2019; 10:35. [PMID: 30674866 PMCID: PMC6426848 DOI: 10.1038/s41419-018-1270-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 12/05/2018] [Accepted: 12/06/2018] [Indexed: 01/10/2023]
Abstract
Transcription factors (TFs) and microRNAs (miRNAs) are tightly linked to each other in tumor development and progression, but their interactions in gastric cancer (GC) metastasis remain elusive. Here we report a novel suppressive role of GATA6 in inhibiting GC metastasis by transactivating miR-520b. We found that GATA6 expression was significantly downregulated in metastatic GC cells and tissues and that its downregulation was correlated with a poor GC prognosis. Overexpression of GATA6 suppressed GC cell migration, invasion and metastasis both in vitro and in vivo. Luciferase reporter assays and chromatin immunoprecipitation assays demonstrated that miR-520b is a direct transcriptional target of GATA6. Moreover, miR-520b expression was positively correlated with GATA6 expression in GC tissues, and ectopic expression of miR-520b inhibited the migration and invasion of GC cells. Furthermore, cAMP responsive element binding protein 1 (CREB1) was identified as a direct and functional target of miR-520b, and GATA6 could suppress GC cell migration and metastasis via miR-520b-mediated repression of CREB1. Downregulation of GATA6 and miR-520b may partly account for the overexpression of CREB1 in GC. In conclusion, our results provide novel insight into the TF-miRNA regulatory network involved in GC metastasis. Targeting the GATA6/miR-520b/CREB1 axis may be an effective approach for GC treatment.
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Affiliation(s)
- Hao Liu
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Feng Du
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Lina Sun
- Department of Gastroenterology, Xi'an Children's Hospital, Xi'an, Shaanxi, China
| | - Qingfeng Wu
- Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jian Wu
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Mingfu Tong
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xin Wang
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Qi Wang
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Tianyu Cao
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xiaoliang Gao
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jiayi Cao
- Faculty of Life Science, Northwest University, Xi'an, Shaanxi, China
| | - Nan Wu
- Faculty of Life Science, Northwest University, Xi'an, Shaanxi, China
| | - Yongzhan Nie
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Daiming Fan
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China.
| | - Yuanyuan Lu
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China.
| | - Xiaodi Zhao
- State key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China.
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