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Sun X, Jia D, Yu Y. Down regulation of RBM10 promotes proliferation and metastasis via miR-224-5p/RBM10/p53 feedback loop in lung adenocarcinoma. Heliyon 2024; 10:e35001. [PMID: 39144991 PMCID: PMC11320444 DOI: 10.1016/j.heliyon.2024.e35001] [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: 03/06/2024] [Revised: 07/21/2024] [Accepted: 07/21/2024] [Indexed: 08/16/2024] Open
Abstract
RNA-binding motif protein 10 (RBM10) has a tumor suppressor role in multiple cancers. Combining Oncomine database results with tissue samples, Western blot analysis showed that RBM10 was significantly lower in lung adenocarcinoma (LUAD) than in adjacent normal tissues. Moreover, KM analysis revealed that the group with higher RBM10 expression in LUAD correlated with better overall survival (OS). Luciferase reporter assay revealed that an important tumor-promotive miRNA, miR-224-5p, was directly bound to the 3'UTR of RBM10, resulting in inhibition of RBM10 expression, and promoted LUAD progression both in vitro and in vivo. Mechanistically, we found that miR-224-5p directly targeted RBM10 to inhibit p53 expression during LUAD progression. Meanwhile, p53 affected RBM10 expression through p53/miR-224-5p axis. Our study identified RBM10 as a key tumor suppressor in the proliferation and metastasis of LUAD. The findings provide a novel mechanism involving a feedback loop of miR-224-5p/RBM10/p53 regulated tumor progression in LUAD, which may help with the design of more effective LUAD treatments.
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Affiliation(s)
- Xi Sun
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Dexin Jia
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yan Yu
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
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2
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Ni B, Xue K, Wang J, Zhou J, Wang L, Wang X, Liu T, Ye N, Jiang J. Integrating Chinese medicine into mainstream cancer therapies: a promising future. Front Oncol 2024; 14:1412370. [PMID: 38957318 PMCID: PMC11217489 DOI: 10.3389/fonc.2024.1412370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 06/03/2024] [Indexed: 07/04/2024] Open
Abstract
Malignant tumors are complex systemic chronic diseases and one of the major causes of human mortality. Targeted therapy, chemotherapy, immunotherapy, and radiotherapy are examples of mainstream allopathic medicine treatments that effective for intermediate and advanced malignant tumors. The ongoing use of conventional allopathic medicine has resulted in adverse responses and drug resistance, which have hampered its efficacy. As an important component of complementary and alternative medicine, Chinese medicine has been found to have antitumor effects and has played an important role in enhancing the therapeutic sensitivity of mainstream allopathic medicine, reducing the incidence of adverse events and improving immune-related functions. The combined application of adjuvant Chinese medicine and mainstream allopathic medicine has begun to gain acceptance and is gradually used in the field of antitumor therapy. Traditional natural medicines and their active ingredients, as well as Chinese patent medicines, have been proven to have excellent therapeutic efficacy and good safety in the treatment of various malignant tumors. This paper focuses on the mechanism of action and research progress of combining the above drugs with mainstream allopathic medicine to increase therapeutic sensitivity, alleviate drug resistance, reduce adverse reactions, and improve the body's immune function. To encourage the clinical development and use of Chinese herb adjuvant therapy as well as to provide ideas and information for creating safer and more effective anticancer medication combinations, the significant functions of Chinese herb therapies as adjuvant therapies for cancer treatment are described in detail.
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Affiliation(s)
- Baoyi Ni
- Heilongjiang University of Chinese Medicine, Harbin, China
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Kaiyuan Xue
- Heilongjiang University of Chinese Medicine, Harbin, China
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jia Wang
- Hongqi Hospital of Mudanjiang Medical University, Mudanjiang, China
| | - Jilai Zhou
- Heilongjiang University of Chinese Medicine, Harbin, China
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Lankang Wang
- Heilongjiang University of Chinese Medicine, Harbin, China
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xinmiao Wang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ting Liu
- Heilongjiang University of Chinese Medicine, Harbin, China
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Naijing Ye
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiakang Jiang
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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3
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Takahashi S, Takagane K, Itoh G, Kuriyama S, Umakoshi M, Goto A, Yanagihara K, Yashiro M, Iijima K, Tanaka M. CCDC85A is regulated by miR-224-3p and augments cancer cell resistance to endoplasmic reticulum stress. Front Oncol 2023; 13:1196546. [PMID: 37534255 PMCID: PMC10391547 DOI: 10.3389/fonc.2023.1196546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/29/2023] [Indexed: 08/04/2023] Open
Abstract
MicroRNAs (miRNAs) play pivotal roles in the tumor microenvironment. Here, we analyzed miRNAs in tumor stromal fibroblasts. Expression of miR-224-3p in cancer-associated fibroblasts (CAF) from scirrhous gastric cancer patients was lower than in normal fibroblasts (NF). Introduction of a miR-224-3p mimic attenuated migration and invasion of CAF. Coiled-coil domain containing 85A (CCDC85A), whose function in tumors is not understood, was the target gene of miR-224-3p. Immunohistological analysis revealed that CCDC85A is expressed to varying degrees by cancer cells and CAFs in gastric and pancreatic carcinomas. Downregulation of CCDC85A in cancer cells revealed that these cells are vulnerable to endoplasmic reticulum (ER) stress induced by thapsigargin or tunicamycin, which were ameliorated after addback of CCDC85A. Injection of NF-derived exosomes containing miR-224-3p into the xenograft tumor increased tumor shrinkage by cisplatin treatment. Mechanistically, CCDC85A associated with the molecular chaperone GRP78 and GRP94, thereby inhibiting association of these negative regulators of the unfolded protein response (UPR), leading to sustained activation of PERK and downstream eIF2〈 and ATF4 upon ER stress. These data suggest a novel miR-224-3p-mediated function for CCDC85A: protection from ER stress and cisplatin resistance.
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Affiliation(s)
- So Takahashi
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
- Department of Gastroenterology, Akita University Graduate School of Medicine, Akita, Japan
| | - Kurara Takagane
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
| | - Go Itoh
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
| | - Sei Kuriyama
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
| | - Michinobu Umakoshi
- Department of Cellular and Organ Pathology, Akita University Graduate School of Medicine, Akita, Japan
| | - Akiteru Goto
- Department of Cellular and Organ Pathology, Akita University Graduate School of Medicine, Akita, Japan
| | - Kazuyoshi Yanagihara
- Division of Rare Cancer Research, National Cancer Center Research Institute, Tokyo, Japan
| | - Masakazu Yashiro
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Katsunori Iijima
- Department of Gastroenterology, Akita University Graduate School of Medicine, Akita, Japan
| | - Masamitsu Tanaka
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
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Chen B, Gao C, Wang H, Sun J, Han Z. Molecular Analysis of Prognosis and Immune Infiltration of Ovarian Cancer Based on Homeobox D Genes. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:3268386. [PMID: 36213580 PMCID: PMC9537619 DOI: 10.1155/2022/3268386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 08/29/2022] [Accepted: 09/02/2022] [Indexed: 12/24/2022]
Abstract
Background Homeobox D (HOXD) genes were associated with cancer pathogenesis. However, the role of HOXD genes in ovarian cancer (OC) and the possible mechanisms involved are unclear. In this study, we analyzed the function and regulatory mechanisms and functions of HOXD genes in OC based on comprehensive bioinformatics analysis. Methods Expression of HOXD1/3/4/8/9/10/11/12/13 mRNA was analyzed between OC tissue and normal tissue using ONCOMINE, GEO, and TCGA databases. The relationship between HOXD expression and clinical stage was studied by GEPIA. The Kaplan-Meier plotter was used to analyze prognosis. cBioPortal was used to analyze the mutation and coexpression of HOXDs. GO and KEGG analyses were performed by the DAVID software to predict the function of HOXD coexpression genes. Immune infiltration analysis was used to evaluate the relationship between the expression of HOXD genes and 24 immune infiltrating cells. Results The expression of HOXD3/4/8/9/10/11 was significantly lower in OC tissues than in normal ovarian tissues, while the expression of HOXD1/12/13 was significantly higher in OC tissues. The expression of HOXD genes was associated with FIGO stage, primary therapy outcome, tumor status, anatomic neoplasm subdivision, and age. The expression levels of HOXD1/3/4/8/9/10 correlated with tumor stage. HOXD1/8/9 could be served as ideal biomarkers to distinguish OC from normal tissue. Low HOXD9 expression was associated with shorter overall survival (OS) (HR: 0.75; 95% CI: 0.58-0.98; P = 0.034) and progression-free survival (PFS) (HR: 0.69; 95% CI: 0.54-0.87; P = 0.002). The HOXD coexpression genes were associated with pathways including cell cycle, TGF-beta signaling pathway, cellular senescence, and Hippo signaling pathway. HOXD genes were significantly associated with immune infiltration. Conclusion The expression of HOXD genes is associated with clinical characteristics. HOXD9 is a new biomarker of prognosis in OC, and HOXD1/4/8/9/10 may be potential therapeutic targets. The members of the HOXD genes may be the response to immunotherapy for OC.
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Affiliation(s)
- Buze Chen
- Department of Gynecology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000 Jiangsu, China
- Xuzhou Medical University, Xuzhou, 221000 Jiangsu, China
| | - Cui Gao
- Department of Obstetrics, Jinhu County People's Hospital, Huai'an, 223000 Jiangsu, China
| | - Haihong Wang
- Department of Gynecology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000 Jiangsu, China
| | - Jieyun Sun
- Department of Gynecology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000 Jiangsu, China
| | - Zhengxiang Han
- Department of Oncology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000 Jiangsu, China
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Yang Z, Wang H, Zhao Z, Jin Y, Zhang Z, Tan J, Hu F. Gene-microRNA Network Analysis Identified Seven Hub Genes in Association with Progression and Prognosis in Non-Small Cell Lung Cancer. Genes (Basel) 2022; 13:genes13081480. [PMID: 36011391 PMCID: PMC9407881 DOI: 10.3390/genes13081480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction: Lung cancer is the leading cause of cancer deaths in the world and is usually divided into non-small cell lung cancer (NSCLC) and small cell lung cancer. NSCLC is dominant and accounts for 85% of the total cases. Currently, the therapeutic method of NSCLC is not so satisfactory, and thus identification of new biomarkers is critical for new clinical therapy for this disease. Methods: Datasets of miRNA and gene expression were obtained from the NCBI database. The differentially expressed genes (DEGs) and miRNAs (DEMs) were analyzed by GEO2R tools. The DEG-DEM interaction was built via miRNA-targeted genes by miRWalk. Several hub genes were selected via network topological analysis in Cytoscape. Results: A set of 276 genes were found to be significantly differentially expressed in the three datasets. Functional enrichment by the DAVID tool showed that these 276 DEGs were significantly enriched in the term “cancer”, with a statistic p-value of 1.9 × 10−5. The subdivision analysis of the specific cancer types indicated that “lung cancer” occupies the largest category with a p-value of 2 × 10−3. Furthermore, 75 miRNAs were shown to be differentially expressed in three representative datasets. A group of 13 DEGs was selected by analysis of the miRNA–gene interaction of these DEGs and DEMs. The investigation of these 13 genes by GEPIA tools showed that eight of them had consistent results with NSCLC samples in the TCGA database. In addition, we applied the KMplot to conduct the survival analysis of these eight genes and found that seven of them have a significant effect on the prognosis survival of patients. We believe that this study could provide effective research clues for the prevention and treatment of non-small cell lung cancer.
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Affiliation(s)
- Zhiyuan Yang
- School of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou 310018, China
- Correspondence:
| | - Hongqi Wang
- School of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Zixin Zhao
- School of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Yunlong Jin
- School of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Zhengnan Zhang
- School of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Jiayi Tan
- School of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Fuyan Hu
- Department of Statistics, Faculty of Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
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Pan W, Wang K, Li J, Li H, Cai Y, Zhang M, Wang A, Wu Y, Gao W, Weng W. Restoring HOXD10 Exhibits Therapeutic Potential for Ameliorating Malignant Progression and 5-Fluorouracil Resistance in Colorectal Cancer. Front Oncol 2021; 11:771528. [PMID: 34790580 PMCID: PMC8591167 DOI: 10.3389/fonc.2021.771528] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/11/2021] [Indexed: 12/27/2022] Open
Abstract
Emerging evidence suggests that hypermethylation of HOXD10 plays an important role in human cancers. However, the biological and clinical impacts of HOXD10 overmethylation and its downstream targets in colorectal cancer remain unknown. We evaluated the methylation level of HOXD10 in paired cancer and normal tissues (n = 42) by using pyrosequencing, followed by validation of the methylation status of HOXD10 from The Cancer Genome Atlas (TCGA) datasets with 302 cancer tissues and 38 normal tissues. The biological function of HOXD10 was characterized in cell lines. We further evaluated the effects of HOXD10 and its targets on chemoresistance in our established resistant cell lines and clinical cohort (n = 66). HOXD10 was found frequently methylated in colorectal cancer, and its hypermethylation correlates with its low expression level, advanced disease, and lymph node metastasis. Functionally, HOXD10 acts as a tumor suppressor gene, in which HOXD10-expressing cells showed suppressed cell proliferation, colony formation ability, and migration and invasion capacity. Mechanistically, DNMT1, DNMT3B, and MeCP2 were recruited in the HOXD10 promoter, and demethylation by 5-Aza-2′-deoxycytidine (5-Aza-CdR) treatment or MeCP2 knockdown can sufficiently induce HOXD10 expression. HOXD10 regulates the expressions of miR-7 and IGFBP3 in a promoter-dependent manner. Restoration of the expression of HOXD10 in 5-fluorouracil (5-FU)-resistant cells significantly upregulates the expressions of miR-7 and IGFBP3 and enhances chemosensitivity to 5-FU. In conclusion, we provide novel evidence that HOXD10 is frequently methylated, silenced, and contributes to the development of colorectal cancers. Restoration of HOXD10 activates the expressions of miR-7 and IGFBP3 and results in an inhibited phenotype biologically, suggesting its potential therapeutic relevance in colorectal cancer (CRC).
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Affiliation(s)
- Weijie Pan
- Department of Clinical Laboratory, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Kaijing Wang
- Department of Hepatological Surgery, General Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jiayong Li
- Clinical Laboratory Medicine Center, Shanghai General Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Hanhua Li
- Department of Clinical Laboratory, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuchan Cai
- Department of Clinical Laboratory, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Min Zhang
- Department of Clinical Laboratory, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Aili Wang
- Center for Clinical Research and Translational Medicine, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China.,Institute of Gastrointestinal Surgery and Translational Medicine, Tongji University School of Medicine, Shanghai, China
| | - Yazhou Wu
- Department of Clinical Laboratory, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Wei Gao
- Department of General Surgery, Shanghai General Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Wenhao Weng
- Department of Clinical Laboratory, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
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Liu Y, Nie H, Zhang Y, Zhang N, Han M, Liu H, Sun D, Wu X, Xiao X, Cao X. MiR-224-5p Targeting OCLN Promotes the Proliferation, Migration, and Invasion of Clear Cell Renal Cell Carcinoma Cells. Urol Int 2021; 106:1185-1194. [PMID: 34515239 DOI: 10.1159/000515981] [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: 11/16/2020] [Accepted: 03/11/2021] [Indexed: 11/19/2022]
Abstract
A number of studies reported that miR-224-5p is involved in a variety of cancer-related cellular processes, yet its physiological role in clear cell renal cell carcinoma (ccRCC) remains unclear. In order to clarify the function of miR-224-5p in ccRCC, real-time quantitative-PCR was conducted to compare the expression of miR-224-5p in human normal renal tubular epithelial cell lines and ccRCC cell lines first, and a strikingly upregulated expression was observed in ccRCC cell lines. Inhibition of miR-224-5p expression by microRNA inhibitors could inhibit the proliferation, migration, and invasion of ccRCC cells. Besides, it was validated by dual-luciferase assay in which miR-224-5p directly targeted OCLN gene. The expression of OCLN was downregulated in ccRCC cells, and overexpression of miR-224-5p could inhibit the mRNA and protein expression levels of OCLN. Overexpression of OCLN could reduce the proliferation, migration, and invasion of ccRCC cells, while overexpressed miR-224-5p could partially reverse that inhibitory effect. Therefore, the promotive effect of miR-224-5p on the proliferation, invasion, and migration of ccRCC cell lines was at least partly due to the inhibition of OCLN expression. These findings highlighted the important function of miR-224-5p, which was promoting cell proliferation, migration, and invasion by downregulating OCLN, in the pathogenesis of ccRCC, and provided a potential treatment strategy.
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Affiliation(s)
- Yifei Liu
- Department of Urology, Tangshan Central Hospital, Tangshan, China
| | - Honglin Nie
- Department of Health Management, Tangshan Central Hospital, Tangshan, China
| | - Yubo Zhang
- Department of Urology, Tangshan Central Hospital, Tangshan, China
| | - Na Zhang
- Department of Urology, Tangshan Central Hospital, Tangshan, China
| | - Miaomiao Han
- Department of Urology, Tangshan Central Hospital, Tangshan, China
| | - Huancai Liu
- Department of Urology, Tangshan Central Hospital, Tangshan, China
| | - Dongli Sun
- Department of Urology, Tangshan Central Hospital, Tangshan, China
| | - Xiaotang Wu
- Shanghai Engineering Research Center of Pharmaceutical Translation, Shanghai, China
| | - Xiaolong Xiao
- Shanghai Engineering Research Center of Pharmaceutical Translation, Shanghai, China
| | - Xiaoning Cao
- Department of Urology, Tangshan Central Hospital, Tangshan, China
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8
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Yuan H, Su J, Hu S, Wei P. Expression of miR-92a, miR-224 and miR-25 in non-small cell lung cancer and their correlation with clinical characteristics. Am J Transl Res 2021; 13:5561-5567. [PMID: 34150158 PMCID: PMC8205675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 02/01/2021] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To analyze the correlation of the expression of microRNA-92a (miR-92a), microRNA-224 (miR-224), and microRNA-25 (miR-25) in non-small cell lung cancer with its clinical characteristics. METHODS This prospective study was performed in 125 non-small cell lung cancer patients admitted to our hospital between January 2019 and January 2020. All patients' cancer and adjacent tissue were collected and the expression of miR-92a, miR-224, and miR-25 were detected using real-time fluorescence quantitative RT-PCR. Data were analyzed using SPSS statistical software (version 20.0). Correlation analysis was conducted using Pearson correlation coefficient. RESULTS Compared with adjacent tissue, the relative expression of miR-92a, miR-224, and miR-25 in cancer tissue were increased (all P<0.001). There was no correlation between the expression of miR-92a, miR-224, and miR-25 and baseline data like gender, age, smoking history, and tumor size (all P>0.05). The relative expression of miR-92a, miR-224 and miR-25 in differentiated cancer patients were higher than those in highly and moderately differentiated cancer patients (all P<0.05). The relative expression of miR-92a, miR-224 and miR-25 in patients with lymph node metastasis (LNM) were increased when compared with those had no LNM (all P<0.001). Compared with stage I and II patients, the relative expression of miR-92a, miR-224 and miR-25 in stage III and IV patients were increased (all P<0.001). The relative expression of miR-92a, miR-224, and miR-25 were positively correlated to each other (all P<0.01). CONCLUSION miR-92a, miR-224, and miR-25 are overexpressed in non-small cell lung cancer and the expressions are related to the degree of differentiation, presence or absence of LNM, and TNM staging. In addition, the expression of miR-92a, miR-224 and miR-25 are positively correlated to each other. This suggests that miR-92a, miR-224, and miR-25 cooperatively participated in the occurrence and development of non-small cell lung cancer.
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Affiliation(s)
- Hao Yuan
- Department of Oncology, Guigang City People’s HospitalGuigang, Guangxi Zhuang Autonomous Region, China
| | - Jiajia Su
- Department of Echocardiography, Guigang City Hospital of Traditional Chinese MedicineGuigang, Guangxi Zhuang Autonomous Region, China
| | - Siqin Hu
- Department of Oncology, People’s Hospital of LonghuaShenzhen, Guangdong Province, China
| | - Peng Wei
- Department of Pulmonary and Critical Care Medicine, Guigang City People’s HospitalGuigang, Guangxi Zhuang Autonomous Region, China
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Zhang J, Han L, Yu J, Li H, Li Q. miR-224 aggravates cancer-associated fibroblast-induced progression of non-small cell lung cancer by modulating a positive loop of the SIRT3/AMPK/mTOR/HIF-1α axis. Aging (Albany NY) 2021; 13:10431-10449. [PMID: 33819917 PMCID: PMC8064154 DOI: 10.18632/aging.202803] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/08/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Cancer-associated fibroblast (CAF) is among the most important tumor-host microenvironment components by affecting tumor progression. This study explored the role of miR-224 in CAF-induced non-small cell lung cancer (NSCLC). MATERIALS AND METHODS A CAF-NSCLC cell co-culture model was established, and the miR-224 expression in CAF was detected by reverse transcription-polymerase chain reaction (RT-PCR). Gain- and loss- of experiments of miR-224 were implemented to verify the effects of CAF on NSCLC cell proliferation, invasion, and epithelial-mesenchymal transition (EMT), and endothelial cell (EC) angiogenesis. Overexpressing genetic or pharmacological interventions were performed to explore the potential mechanisms of Sirtuins 3/AMP-activated protein kinase/mammalian target of rapamycin/hypoxia-inducible factor-1α (SIRT3/AMPK/mTOR/HIF-1α). RESULTS CAF enhanced the malignant phenotype of NSCLC cells and induced EC angiogenesis. miR-224 was significantly altered in CAFs. miR-224 up-regulation exacerbated NSCLC development mediated by CAFs, while miR-224 inhibition mostly reversed CAF-induced effects. Mechanistically, miR-224 targeted the 3'-untranslated regions (UTR) of SIRT3 mRNA, thereby inhibiting SIRT3/AMPK and activating mTOR/HIF-1α. Forced overexpression of SIRT3 up-regulated AMPK and inactivated mTOR/HIF-1α, while inhibiting HIF-1α markedly up-regulated SIRT3/AMPK and reduced mTOR phosphorylation. Interestingly, both Sirt1 overexpression and HIF-1α inhibition repressed miR-224 levels and miR-224-mediated promotive effects in NSCLC. CONCLUSION The miR-224-SIRT3/AMPK/mTOR/HIF-1α axis formed a positive feedback loop in modulating CAF-induced carcinogenic effects on NSCLC.
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Affiliation(s)
- Juan Zhang
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441021, Hubei, China
| | - Lan Han
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441021, Hubei, China
| | - Jing Yu
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441021, Hubei, China
| | - Hui Li
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441021, Hubei, China
| | - Qingfeng Li
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441021, Hubei, China
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10
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Gong Z, Chen J, Wang J, Liu S, Ambrosone CB, Higgins MJ. Differential methylation and expression patterns of microRNAs in relation to breast cancer subtypes among American women of African and European ancestry. PLoS One 2021; 16:e0249229. [PMID: 33784351 PMCID: PMC8009363 DOI: 10.1371/journal.pone.0249229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 03/12/2021] [Indexed: 12/19/2022] Open
Abstract
Aggressive high-grade, estrogen receptor negative (ER-) breast cancer is more common among American women of African ancestry (AA) than those of European ancestry (EA). Epigenetic mechanisms, particularly DNA methylation and altered microRNA (miRNA) expression, may contribute to racial differences in breast cancer. However, few studies have specifically characterized genome-wide DNA methylation-based modifications at the miRNA level in relation to ER+ and ER- subtype, and their functional role in the regulation of miRNA expression, especially among high risk AA women. In this study, we evaluated DNA methylation patterns of miRNA encoding genes and their effect on expression in breast tumors from both AA and EA women. The genome-wide methylation screen identified a total of 7,191 unique CpGs mapped to 1,292 miRNA genes, corresponding to 2,035 unique mature miRNAs. We identified differentially methylated loci (DMLs: (|delta β|)>0.10, FDR<0.05) between ER- and ER+ tumor subtypes, including 290 DMLs shared in both races, 317 and 136 were specific to AA and EA women, respectively. Integrated analysis identified certain DMLs whose methylation levels were significantly correlated with the expression of relevant miRNAs, such as multiple CpGs within miR-190b and miR-135b highly negatively correlated with their expression. These results were then validated in the TCGA dataset. Target prediction and pathway analysis showed that these DNA methylation-dysregulated miRNAs are involved in multiple cancer-related pathways, including cell cycle G1-S growth factor regulation, cytoskeleton remodeling, angiogenesis, EMT, and ESR1-mediated signaling pathways. In summary, our results suggest that DNA methylation changes within miRNA genes are associated with altered miRNA expression, which may contribute to the network of subtype- and race-related tumor biological differences in breast cancer. These findings support the involvement of epigenetic regulation of miRNA expression and provide insights into the relations of clinical-relevant miRNAs to their target genes, which may serve as potential preventative and therapeutic targets.
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Affiliation(s)
- Zhihong Gong
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States of America
| | - Jianhong Chen
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States of America
| | - Jie Wang
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States of America
| | - Song Liu
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States of America
| | - Christine B. Ambrosone
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States of America
| | - Michael J. Higgins
- Department of Molecular and Cellular Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States of America
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11
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Peng X, Guo C, Wu Y, Ying M, Chang R, Song L, Zhan L, Zhan X. miR‑224‑5p regulates the proliferation, migration and invasion of pancreatic mucinous cystadenocarcinoma by targeting PTEN. Mol Med Rep 2021; 23:346. [PMID: 33760113 PMCID: PMC7974333 DOI: 10.3892/mmr.2021.11985] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 02/18/2021] [Indexed: 01/07/2023] Open
Abstract
Pancreatic mucinous cystadenocarcinoma (MCC) is a rare malignant tumor, with a limited number of studies. The present study aimed to investigate the function and mechanism of microRNA (miR)-224-5p on proliferation, migration and invasion of MCC of the pancreas. Reverse transcription-quantitative PCR was used to explorethe expression of miR-224-5p and the PTEN gene. MTT, wound healing, Transwell and tumorigenesis assays were conducted to investigate the proliferation, migration and invasion of MCC1 cells in vitro and in vivo. Western blot analysis was employed to test the protein expression of PTEN. The target gene of miR-224-5p was assessed and verified by luciferase assay. miR-224-5p expression was notably higher, while PTEN expression was lower, in MCC1 cells compared with normal tissues and cells. Overexpression of miR-224-5p promoted the proliferation, migration and invasion of MCC and knockdown of miR-224-5p inhibited these functions. Bioinformatics analysis and luciferase assay indicated that PTEN was the direct target gene of miR-224-5p. The negative correlation between miR-224-5p and PTEN was confirmed both in vitro and in vivo. PTEN reversed the effects of miR-224-5p on proliferation, migration and invasion of MCC1 cells. The present study revealed for the first time, to the best of the authors' knowledge, that miR-224-5p was highly expressed and served an oncogenic role in MCC. miR-224-5p not only regulated the proliferation, migration and invasion of pancreatic MCC but may also be a potential therapeutic target for MCC.
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Affiliation(s)
- Xiaobo Peng
- Department of Oncology, Changhai Hospital Affiliated to Naval Military Medical University, Shanghai 200433, P.R. China
| | - Chengtao Guo
- Department of Oncology, Changhai Hospital Affiliated to Naval Military Medical University, Shanghai 200433, P.R. China
| | - Yanjun Wu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, P.R. China
| | - Mingzhen Ying
- Department of Oncology, Changhai Hospital Affiliated to Naval Military Medical University, Shanghai 200433, P.R. China
| | - Renxu Chang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, P.R. China
| | - Lele Song
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, P.R. China
| | - Lixing Zhan
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, P.R. China
| | - Xianbao Zhan
- Department of Oncology, Changhai Hospital Affiliated to Naval Military Medical University, Shanghai 200433, P.R. China
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12
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Zhou J, Wang H, Sun Q, Liu X, Wu Z, Wang X, Fang W, Ma Z. miR-224-5p-enriched exosomes promote tumorigenesis by directly targeting androgen receptor in non-small cell lung cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 23:1217-1228. [PMID: 33664999 PMCID: PMC7899953 DOI: 10.1016/j.omtn.2021.01.028] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 01/24/2021] [Indexed: 02/07/2023]
Abstract
Non-small cell lung cancer (NSCLC) is the most common form of cancer, resulting in cancer-related deaths worldwide. Exosomes, a subclass of extracellular vesicles, are produced and secreted from various types of cells, including cancer cells. Cancer-derived exosomes can deliver nucleic acids, proteins, and lipids to provide a favorable microenvironment that supports tumor growth through enhancing cell proliferation and metastasis. Our results showed that miR-224-5p was upregulated in NSCLC patient tissues and cell lines, with a tumor-promoting phenotype. Meanwhile, exosome-derived miR-224-5p induced cell proliferation and metastasis in NSCLC and human lung cells. Moreover, we characterized the androgen receptor (AR) as a direct target of miR-224-5p. Tumor xenograft assay experiments revealed that overexpression of miR-224-5p drove NSCLC tumor growth via the suppression of AR and the mediation of epithelial-mesenchymal transition (EMT). Collectively, our results suggest that miR-224-5p-enriched exosomes promote tumorigenesis by directly targeting AR in NSCLC, which may provide novel potential therapeutic and preventive targets for NSCLC.
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Affiliation(s)
- Jinbao Zhou
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Hongshu Wang
- Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Qiangling Sun
- Department of Thoracic Surgery, Thoracic Cancer Institute, Shanghai Chest Hospital, Jiaotong University Medical School, Shanghai 200030, China
| | - Xiaomin Liu
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Zong Wu
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Xianyi Wang
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Wentao Fang
- Department of Thoracic Surgery, Thoracic Cancer Institute, Shanghai Chest Hospital, Jiaotong University Medical School, Shanghai 200030, China
| | - Zhongliang Ma
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai 200444, China
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13
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Di Sanzo M, Quaresima B, Biamonte F, Palmieri C, Faniello MC. FTH1 Pseudogenes in Cancer and Cell Metabolism. Cells 2020; 9:E2554. [PMID: 33260500 PMCID: PMC7760355 DOI: 10.3390/cells9122554] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/24/2020] [Accepted: 11/24/2020] [Indexed: 12/15/2022] Open
Abstract
Ferritin, the principal intracellular iron-storage protein localized in the cytoplasm, nucleus, and mitochondria, plays a major role in iron metabolism. The encoding ferritin genes are members of a multigene family that includes some pseudogenes. Even though pseudogenes have been initially considered as relics of ancient genes or junk DNA devoid of function, their role in controlling gene expression in normal and transformed cells has recently been re-evaluated. Numerous studies have revealed that some pseudogenes compete with their parental gene for binding to the microRNAs (miRNAs), while others generate small interference RNAs (siRNAs) to decrease functional gene expression, and still others encode functional mutated proteins. Consequently, pseudogenes can be considered as actual master regulators of numerous biological processes. Here, we provide a detailed classification and description of the structural features of the ferritin pseudogenes known to date and review the recent evidence on their mutual interrelation within the complex regulatory network of the ferritin gene family.
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Affiliation(s)
- Maddalena Di Sanzo
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (M.D.S.); (B.Q.); (F.B.)
| | - Barbara Quaresima
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (M.D.S.); (B.Q.); (F.B.)
| | - Flavia Biamonte
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (M.D.S.); (B.Q.); (F.B.)
| | - Camillo Palmieri
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (M.D.S.); (B.Q.); (F.B.)
| | - Maria Concetta Faniello
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (M.D.S.); (B.Q.); (F.B.)
- Research Center of Biochemistry and Advanced Molecular Biology, Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy
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14
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Yang F, Liu D, Deng Y, Wang J, Mei S, Ge S, Li H, Zhang C, Zhang T. Frequent promoter methylation of HOXD10 in endometrial carcinoma and its pathological significance. Oncol Lett 2020; 19:3602-3608. [PMID: 32269635 DOI: 10.3892/ol.2020.11467] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 02/02/2020] [Indexed: 02/07/2023] Open
Abstract
Homeobox D 10 (HOXD10) is important in cell differentiation and morphogenesis and serves as a tumor suppressor gene (TSG) in a number of malignancies. The present study investigated its promoter methylation status and association with the clinicopathological features of endometrial cancer (EC), and measured HOXD10 protein expression levels. EC samples (n=62), including 50 endometroid adenocarcinoma (EA) and 12 mucinous endometrial carcinoma samples (EC) and 70 non-cancerous samples were collected. All samples were evaluated for the methylation status of several TSGs, including HOXD10, using methylation-specific PCR. HOXD10 expression level was evaluated using immunohistochemistry. 5-Aza-2-deoxycytidine treatment was performed in the EC cell line Ishikawa to observe the change in HOXD10 expression levels. HOXD10 promoter methylation was more frequent in cancer samples (P<0.001). Downregulation of HOXD10 in EC samples was confirmed at the protein level using immunohistochemistry (P<0.001) and immunohistochemical staining was negatively associated with methylation status (P<0.05). Less HOXD10 protein was expressed in MEC compared with EA samples (P<0.001). The HOXD10 promoter was hypermethylated in both EA and MEC, causing decreased HOXD10 protein expression levels in EC cells. HOXD10 expression levels were partially reversed by 5-Aza-2-deoxycytidine treatment. The results of the present study demonstrated that epigenetic silencing of HOXD10 putatively contributed to the tumorigenesis of EA. Although there was no significant difference in HOXD10 methylation between EA and MEC, HOXD10 protein expression levels differed between these two diseases, indicating that it may be a useful protein biomarker for distinguishing between these two lesions.
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Affiliation(s)
- Fan Yang
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China.,Department of Oncology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, P.R. China
| | - Dongchen Liu
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Yupeng Deng
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Jun Wang
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Shuyu Mei
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Shuang Ge
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Hailing Li
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Cuijuan Zhang
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Tingguo Zhang
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
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15
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Zeng Z, Liu S, Cai J, Li Z, Wu H, Chen H, Huang Y. miR-501 promotes hemangioma progression by targeting HOXD10. Am J Transl Res 2019; 11:2439-2446. [PMID: 31105850 PMCID: PMC6511771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 03/13/2019] [Indexed: 06/09/2023]
Abstract
MicroRNAs (miRNAs) are often abnormally expressed in human cancers to act as either oncogenes or tumor suppressor genes. MiRNA-501 (miR-501) has been found to be abnormally expressed in certain types of cancer, but its expression and biological role in hemangioma remain to be fully elucidated. In this study, the expression of miR-501 in hemangioma cell lines was analyzed by quantitative real-time polymerase chain reaction (qRT-PCR). The TargetScan algorithm, luciferase activity reporter assay, and Western blot analysis were conducted to validate homeobox D10 (HOXD10) as a direct target of miR-501. The results revealed that miR-501 expression was upregulated in hemangioma cell lines. Downregulation of miR-501 inhibited hemangioma cell proliferation, cell cycle progression, colony formation, migration, and invasion in vitro. Bioinformatics analysis indicated that HOXD10 was a putative target of miR-501. In addition, in a luciferase reporter system, it was confirmed that HOXD10 is a direct target of miR-501. It was also demonstrated HOXD10 downregulation reversed the effects of the miR-501 inhibitor on hemangioma cell activities. These findings indicated that miR-501 targeted HOXD10 to promote hemangioma cell processes, suggesting that miR-501 has an oncogenic role in the pathogenesis of hemangioma.
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Affiliation(s)
- Zhaofan Zeng
- Department of Vascular Surgery, Hainan General HospitalHaikou 570311, P. R. China
| | - Sahua Liu
- Department of Vascular Surgery, Hainan General HospitalHaikou 570311, P. R. China
| | - Junhong Cai
- Molecular Laboratory Center, Hainan General HospitalHaikou 570311, P. R. China
| | - Zhenzhen Li
- Department of Vascular Surgery, Hainan General HospitalHaikou 570311, P. R. China
| | - Hongfei Wu
- Department of Vascular Surgery, Hainan General HospitalHaikou 570311, P. R. China
| | - Hao Chen
- Department of Vascular Surgery, Hainan General HospitalHaikou 570311, P. R. China
| | - Yanjing Huang
- Department of Medical Oncology, Hainan General HospitalHaikou 570311, P. R. China
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16
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Fassan M, Cui R, Gasparini P, Mescoli C, Guzzardo V, Vicentini C, Munari G, Loupakis F, Lonardi S, Braconi C, Scarpa M, D'Angelo E, Pucciarelli S, Angriman I, Agostini M, D'Incá R, Farinati F, Gafà R, Lanza G, Frankel WL, Croce CM, Valeri N, Rugge M. miR-224 Is Significantly Upregulated and Targets Caspase-3 and Caspase-7 During Colorectal Carcinogenesis. Transl Oncol 2019; 12:282-291. [PMID: 30448733 PMCID: PMC6240712 DOI: 10.1016/j.tranon.2018.10.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/30/2018] [Accepted: 10/31/2018] [Indexed: 02/07/2023] Open
Abstract
miR-224 has recently emerged as a driver oncomiR in sporadic colorectal carcinogenesis, but its pathogenetic role is still controversial. A large phenotypical and molecularly characterized series of preinvasive and invasive colorectal lesions was investigated for miR-224 expression by qRT-PCR and in situ hybridization. The caspase-3 and caspase-7 status was also assessed and correlated to miR-224 dysregulation. miR-224 was significantly upregulated during the adenoma-carcinoma sequence and in the context of inflammatory bowel disease dysplastic lesions, whereas its expression was significantly downregulated among BRAF-mutated tumors and in the presence of a DNA mismatch repair deficiency. miR-224 targets caspase-3 and caspase-7 in colorectal cancer, and this inverse relation was already evident from the earliest phases of transformation in intestinal mucosa. The miR-224/caspases axis may represent an interesting field of study for innovative biomarkers/therapeutics for BRAF-mutated/DNA mismatch repair-deficient tumors.
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Affiliation(s)
- Matteo Fassan
- Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Ri Cui
- Human Cancer Genetics Program, The Ohio State University Comprehensive Cancer Center, Columbus, OH; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Pierluigi Gasparini
- Human Cancer Genetics Program, The Ohio State University Comprehensive Cancer Center, Columbus, OH
| | - Claudia Mescoli
- Department of Medicine (DIMED), University of Padua, Padua, Italy
| | | | | | - Giada Munari
- Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Fotios Loupakis
- Oncology Unit, Istituto Oncologico Veneto, IOV-IRCCS, Padua, Italy
| | - Sara Lonardi
- Oncology Unit, Istituto Oncologico Veneto, IOV-IRCCS, Padua, Italy
| | - Chiara Braconi
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, UK; Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - Marco Scarpa
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Edoardo D'Angelo
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Salvatore Pucciarelli
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Imerio Angriman
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Marco Agostini
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Renata D'Incá
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Fabio Farinati
- Department of Surgical Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
| | - Roberta Gafà
- Department of Pathology, University of Ferrara, Ferrara, Italy
| | - Giovanni Lanza
- Department of Pathology, University of Ferrara, Ferrara, Italy
| | - Wendy L Frankel
- Department of Pathology, The Ohio State University Comprehensive Cancer Center, Columbus, OH
| | - Carlo Maria Croce
- Human Cancer Genetics Program, The Ohio State University Comprehensive Cancer Center, Columbus, OH
| | - Nicola Valeri
- Department of Medicine, The Royal Marsden NHS Trust, London, UK; Molecular Pathology Division, Institute of Cancer Research, London and Sutton, UK.
| | - Massimo Rugge
- Department of Medicine (DIMED), University of Padua, Padua, Italy
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