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Ma J, Yao Q, Lv S, Yi J, Zhu D, Zhu C, Wang L, Su S. Integrated triple signal amplification strategy for ultrasensitive electrochemical detection of gastric cancer-related microRNA utilizing MoS 2-based nanozyme, hybridization chain reaction, and horseradish peroxidase. J Nanobiotechnology 2024; 22:596. [PMID: 39354525 PMCID: PMC11445865 DOI: 10.1186/s12951-024-02848-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Accepted: 09/07/2024] [Indexed: 10/03/2024] Open
Abstract
Early diagnosis and treatment of gastric cancer (GC) play a vital role in improving efficacy, reducing mortality and prolonging patients' lives. Given the importance of early detection of gastric cancer, an electrochemical biosensor was developed for the ultrasensitive detection of miR-19b-3p by integrating MoS2-based nanozymes, hybridization chain reaction (HCR) with enzyme catalyzed reaction. The as-prepared MoS2-based nanocomposites were used as substrate materials to construct nanoprobes, which can simultaneously load probe DNA and HCR initiator for signal amplification. Moreover, the MoS2-based nanocomposites are also employed as nanozymes to amplify electrochemical response. The presence of miR-19b-3p induced the assembly of MoS2-based nanoprobes on the electrode surface, which can activate in-situ HCR reaction to load a large number of horseradish peroxidase (HRP) for signal amplification. Coupling with the co-catalytic ability of HRP and MoS2-based nanozymes, the designed electrochemical biosensor can detect as low as 0.7 aM miR-19b-3p. More importantly, this biosensor can efficiently analyze miR-19b-3p in clinical samples from healthy people and gastric cancer patients due to its excellent sensitivity and selectivity, suggesting that this biosensor has a potential application in early diagnosis of disease.
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Affiliation(s)
- Jianfeng Ma
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China
| | - Qunyan Yao
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Department of Gastroenterology and Hepatology, Zhongshan Hospital (Xiamen), Fudan University, Xiamen, 361015, China
- Shanghai Geriatric Medical Center, Shanghai, 201104, China
| | - Suo Lv
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China
| | - Jiasheng Yi
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China
| | - Dan Zhu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China
| | - Changfeng Zhu
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
| | - Lianhui Wang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China.
| | - Shao Su
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China.
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Kim JJ, Hong JS, Kim H, Choi M, Winter U, Lee H, Im H. CRISPR/Cas13a-assisted amplification-free miRNA biosensor via dark-field imaging and magnetic gold nanoparticles. SENSORS & DIAGNOSTICS 2024; 3:1310-1318. [PMID: 39129860 PMCID: PMC11308380 DOI: 10.1039/d4sd00081a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 07/09/2024] [Indexed: 08/13/2024]
Abstract
MicroRNAs (miRNAs) are short (about 18-24 nucleotides) non-coding RNAs and have emerged as potential biomarkers for various diseases, including cancers. Due to their short lengths, the specificity often becomes an issue in conventional amplification-based methods. Next-generation sequencing techniques could be an alternative, but the long analysis time and expensive costs make them less suitable for routine clinical diagnosis. Therefore, it is essential to develop a rapid, selective, and accurate miRNA detection assay using a simple, affordable system. In this work, we report a CRISPR/Cas13a-based miRNA biosensing using point-of-care dark-field (DF) imaging. We utilized magnetic-gold nanoparticle (MGNPs) complexes as signal probes, which consist of 200 nm-sized magnetic beads and 60 nm-sized gold nanoparticles (AuNPs) linked by DNA hybridization. Once the CRISPR/Cas13a system recognized the target miRNAs (miR-21-5p), the activated Cas13a cleaved the bridge linker containing RNA sequences, releasing 60 nm-AuNPs detected and quantified by a portable DF imaging system. The combination of CRISPR/Cas13a, MGNPs, and DF imaging demonstrated amplification-free detection of miR-21-5p within 30 min at a detection limit of 500 attomoles (25 pM) and with single-base specificity. The CRISPR/Cas13a-assisted MGNP-DF assay achieved rapid, selective, and accurate detection of miRNAs with simple equipment, thus providing a potential application for cancer diagnosis.
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Affiliation(s)
- Jae-Jun Kim
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
| | - Jae-Sang Hong
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
| | - Hyunho Kim
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
| | - Moonhyun Choi
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
| | - Ursula Winter
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
| | - Hakho Lee
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
- Department of Radiology, Massachusetts General Hospital Boston MA 02114 USA
| | - Hyungsoon Im
- Center for Systems Biology, Massachusetts General Hospital Boston MA 02114 USA +1 617 643 5679
- Department of Radiology, Massachusetts General Hospital Boston MA 02114 USA
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Skryabin GO, Beliaeva AA, Enikeev AD, Tchevkina EM. Extracellular Vesicle miRNAs in Diagnostics of Gastric Cancer. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:1211-1238. [PMID: 39218020 DOI: 10.1134/s0006297924070058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/24/2024] [Accepted: 05/30/2024] [Indexed: 09/04/2024]
Abstract
Gastric cancer (GC) poses a significant global health challenge because of its high mortality rate attributed to the late-stage diagnosis and lack of early symptoms. Early cancer diagnostics is crucial for improving the survival rates in GC patients, which emphasizes the importance of identifying GC markers for liquid biopsy. The review discusses a potential use of extracellular vesicle microRNAs (EV miRNAs) as biomarkers for the diagnostics and prognostics of GC. Methods. Original articles on the identification of EV miRNA as GC markers published in the Web of Science and Scopus indexed issues were selected from the PubMed and Google Scholar databases. We focused on the methodological aspects of EV analysis, including the choice of body fluid, methods for EV isolation and validation, and approaches for EV miRNA analysis. Conclusions. Out of 33 found articles, the majority of authors investigated blood-derived extracellular vesicles (EVs); only a few utilized EVs from other body fluids, including tissue-specific local biofluids (washing the tumor growth areas), which may be a promising source of EVs in the context of cancer diagnostics. GC-associated miRNAs identified in different studies using different methods of EV isolation and analysis varied considerably. However, three miRNAs (miR-10b, miR-21, and miR-92a) have been found in several independent studies and shown to be associated with GC in experimental models. Further studies are needed to determine the optimal miRNA marker panel. Another essential step necessary to improve the reliability and reproducibility of EV-based diagnostics is standardization of methodologies for EV handling and analysis of EV miRNA.
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Affiliation(s)
- Gleb O Skryabin
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115522, Russia.
| | - Anastasiya A Beliaeva
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115522, Russia
| | - Adel D Enikeev
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115522, Russia
| | - Elena M Tchevkina
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115522, Russia
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Xue Y, Wang K, Jiang Y, Dai Y, Liu X, Pei B, Li H, Xu H, Zhao G. An ultrasensitive and multiplexed miRNA one-step real time RT-qPCR detection system and its application in esophageal cancer serum. Biosens Bioelectron 2024; 247:115927. [PMID: 38113694 DOI: 10.1016/j.bios.2023.115927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/30/2023] [Accepted: 12/10/2023] [Indexed: 12/21/2023]
Abstract
MicroRNAs (miRNAs) are increasingly recognized as promising biomarkers for early disease diagnosis and prognosis. Therefore, the need for rapid, robust methods for multiplex miRNA detection in biological research and clinical diagnosis is crucial. This study introduces a novel multiplex miRNA detection method, SMOS-qPCR (Sensitive and Multiplexed One-Step RT-qPCR). The method integrates multiplexed reverse transcription and TaqMan-based qPCR into a single tube, employing a one-step operation on a real-time PCR system. We investigated the effect of 3' end phosphorylation of the Linker, Linker concentration and probe concentration on the SMOS-qPCR, resulted in a wide linear range from 1 fM to 0.1 zM (R2 ≥ 0.99 for each miRNA), surpassing the capabilities of stem-loop RT-qPCR and SYBR Green One-step RT-qPCR. The method showed excellent performance in distinguishing mature miRNA from miRNA precursor, and successfully detected four miRNAs in a single tube without cross-interference. Its high specificity enables precise differentiation of less than 1% nonspecific signal. Finally, we demonstrated the effectiveness of the SMOS-qPCR system in detecting circulating miRNAs in serum samples, distinguishing between esophageal cancers and health individuals with high AUC values (>0.940). In conclusion, the proposed SMOS-qPCR system offers a straightforward and promising approach for miRNA profiling in future clinical applications.
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Affiliation(s)
- Ying Xue
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou Jiangsu 215000, China.
| | - Kai Wang
- Suzhou VersaBio Technologies Co. Ltd., Kunshan, Jiangsu 215300, China
| | - Yunli Jiang
- Department of Gastroenterology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, The Affiliated Hospital of China University of Mining and Technology, Xuzhou, Jiangsu, 221002, China
| | - Yanmiao Dai
- Department of Spleen and Stomach Diseases, Kunshan Hospital of Traditional Chinese Medicine, Kunshan Jiangsu, 215300, China
| | - Xiaoyu Liu
- Suzhou VersaBio Technologies Co. Ltd., Kunshan, Jiangsu 215300, China
| | - Bing Pei
- Department of Clinical Laboratory, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, 223800, China
| | - Hui Li
- Department of Gastroenterology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, The Affiliated Hospital of China University of Mining and Technology, Xuzhou, Jiangsu, 221002, China
| | - Hongwei Xu
- Department of Spleen and Stomach Diseases, Kunshan Hospital of Traditional Chinese Medicine, Kunshan Jiangsu, 215300, China.
| | - Guodong Zhao
- Zhejiang University of Technology, Zhejiang, Hangzhou 310014, China; Suzhou VersaBio Technologies Co. Ltd., Kunshan, Jiangsu 215300, China; ZJUT Yinhu Research Institute of Innovation and Entrepreneurship, Zhejiang, Hangzhou 311400, China.
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5
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Xu W, Chen S, Jiang Q, He J, Zhang F, Wang Z, Ruan C, Shi B. LUM as a novel prognostic marker and its correlation with immune infiltration in gastric cancer: a study based on immunohistochemical analysis and bioinformatics. BMC Gastroenterol 2023; 23:455. [PMID: 38129820 PMCID: PMC10740220 DOI: 10.1186/s12876-023-03075-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Gastric cancer (GC) is considered the sixth highly prevailing malignant neoplasm and is ranked third in terms of cancer mortality rates. To enable an early and efficient diagnosis of GC, it is important to detect the fundamental processes involved in the oncogenesis and progression of gastric malignancy. The understanding of molecular signaling pathways can facilitate the development of more effective therapeutic strategies for GC patients. METHODS The screening of genes that exhibited differential expression in early and advanced GC was performed utilizing the Gene Expression Omnibus databases (GSE3438). Based on this, the protein and protein interaction network was constructed to screen for hub genes. The resulting list of hub genes was evaluated with bioinformatic analysis and selected genes were validated the protein expression by immunohistochemistry (IHC). Finally, a competing endogenous RNA network of GC was constructed. RESULTS The three genes (ITGB1, LUM, and COL5A2) overexpressed in both early and advanced GC were identified for the first time. Their upregulation has been linked with worse overall survival (OS) time in patients with GC. Only LUM was identified as an independent risk factor for OS among GC patients by means of additional analysis. IHC results demonstrated that the expression of LUM protein was increased in GC tissue, and was positively associated with the pathological T stage. LUM expression can effectively differentiate tumorous tissue from normal tissue (area under the curve = 0.743). The area under 1-, 3-, and 5-year survival relative operating characteristics were greater than 0.6. Biological function enrichment analyses suggested that the genes related to LUM expression were involved in extracellular matrix development-related pathways and enriched in several cancer-related pathways. LUM affects the infiltration degree of cells linked to the immune system in the tumor microenvironment. In GC progression, the AC117386.2/hsa-miR-378c/LUM regulatory axis was also identified. CONCLUSION Collectively, a thorough bioinformatics analysis was carried out and an AC117386.2/hsa-miR-378c/LUM regulatory axis in the stomach adenocarcinoma dataset was detected. These findings should serve as a guide for future experimental investigations and warrant confirmation from larger studies.
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Affiliation(s)
- Wu Xu
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Shasha Chen
- Department of Pathology, Longyan Second Hospital, No.8 Shuangyang West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Qiuju Jiang
- Department of Pathology, Longyan Second Hospital, No.8 Shuangyang West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Jinlan He
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Feifei Zhang
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Zhuying Wang
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Caishun Ruan
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Bin Shi
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China.
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Zha Y, Xue C, Liu Y, Ni J, De La Fuente JM, Cui D. Artificial intelligence in theranostics of gastric cancer, a review. MEDICAL REVIEW (2021) 2023; 3:214-229. [PMID: 37789960 PMCID: PMC10542883 DOI: 10.1515/mr-2022-0042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 04/26/2023] [Indexed: 10/05/2023]
Abstract
Gastric cancer (GC) is one of the commonest cancers with high morbidity and mortality in the world. How to realize precise diagnosis and therapy of GC owns great clinical requirement. In recent years, artificial intelligence (AI) has been actively explored to apply to early diagnosis and treatment and prognosis of gastric carcinoma. Herein, we review recent advance of AI in early screening, diagnosis, therapy and prognosis of stomach carcinoma. Especially AI combined with breath screening early GC system improved 97.4 % of early GC diagnosis ratio, AI model on stomach cancer diagnosis system of saliva biomarkers obtained an overall accuracy of 97.18 %, specificity of 97.44 %, and sensitivity of 96.88 %. We also discuss concept, issues, approaches and challenges of AI applied in stomach cancer. This review provides a comprehensive view and roadmap for readers working in this field, with the aim of pushing application of AI in theranostics of stomach cancer to increase the early discovery ratio and curative ratio of GC patients.
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Affiliation(s)
- Yiqian Zha
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
- National Engineering Research Center for Nanotechnology, Shanghai, China
| | - Cuili Xue
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
- National Engineering Research Center for Nanotechnology, Shanghai, China
| | - Yanlei Liu
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
- National Engineering Research Center for Nanotechnology, Shanghai, China
| | - Jian Ni
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
- National Engineering Research Center for Nanotechnology, Shanghai, China
| | | | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
- National Engineering Research Center for Nanotechnology, Shanghai, China
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Guo Y, Zhou X, Gao F, Wang M, Yang Q, Li X, Liu Z, Luo A. MiR-423-5p is a novel endogenous control for the quantification of circulating miRNAs in human esophageal squamous cell carcinoma. Heliyon 2023; 9:e14515. [PMID: 37025904 PMCID: PMC10070386 DOI: 10.1016/j.heliyon.2023.e14515] [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: 08/08/2022] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 03/28/2023] Open
Abstract
Circulating miRNA expression is most commonly measured by qRT-PCR, however, the lack of a suitable endogenous control hinders people from evaluating the accurate changes in miRNA expression levels and developing the non-invasive biomarkers. In this study, we aimed to screen the specific, highly stable endogenous control in esophageal squamous cell carcinoma (ESCC) to overcome the obstacle. We selected "housekeeping" miRNAs according to the published database and initially acquired 21 miRNAs. Subsequently, we screened these miRNAs using GSE106817 and TCGA datasets according to specific inclusion criteria and evaluated the suitability of "candidate" miRNAs. Among these miRNAs, the average abundance of miR-423-5p was relatively high in serum. Notably, miR-423-5p expression in serum showed no significant difference between ESCC patients and healthy controls (n = 188, P = 0.29). Moreover, among these miRNAs, miR-423-5p was the most stable miRNA using the NormFinder algorithms. Overall, these results indicate that miR-423-5p, as a novel and optimal endogenous control, could be used to quantify circulating miRNAs in ESCC.
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Affiliation(s)
- Yuanyuan Guo
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Xuantong Zhou
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Feng Gao
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, 510655, China
- Guangdong Institute of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, Supported by National Key Clinical Discipline, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, 510655, China
| | - Minjie Wang
- Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Qi Yang
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Xin Li
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Zhihua Liu
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Aiping Luo
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
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Babu P, Palaniappan A. miR2Trait: an integrated resource for investigating miRNA-disease associations. PeerJ 2022; 10:e14146. [PMID: 36217386 PMCID: PMC9547587 DOI: 10.7717/peerj.14146] [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: 06/07/2022] [Accepted: 09/07/2022] [Indexed: 01/21/2023] Open
Abstract
MicroRNAs are key components of cellular regulatory networks, and breakdown in miRNA function causes cascading effects leading to pathophenotypes. A better understanding of the role of miRNAs in diseases is essential for human health. Here, we have devised a method for comprehensively mapping the associations between miRNAs and diseases by merging on a common key between two curated omics databases. The resulting bidirectional resource, miR2Trait, is more detailed than earlier catalogs, uncovers new relationships, and includes analytical utilities to interrogate and extract knowledge from these datasets. miR2Trait provides resources to compute the disease enrichment of a user-given set of miRNAs and analyze the miRNA profile of a specified diseasome. Reproducible examples demonstrating use-cases for each of these resource components are illustrated. Furthermore we used these tools to construct pairwise miRNA-miRNA and disease-disease enrichment networks, and identified 23 central miRNAs that could underlie major regulatory functions in the human genome. miR2Trait is available as an open-source command-line interface in Python3 (URL: https://github.com/miR2Trait) with a companion wiki documenting the scripts and data resources developed, under MIT license for commercial and non-commercial use. A minimal web-based implementation has been made available at https://sas.sastra.edu/pymir18. Supplementary information is available at: https://doi.org/10.6084/m9.figshare.8288825.v3.
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Affiliation(s)
- Poornima Babu
- Department of Bioinformatics, School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamil Nadu, India
| | - Ashok Palaniappan
- Department of Bioinformatics, School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamil Nadu, India
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Circular RNA circPGD contributes to gastric cancer progression via the sponging miR-16-5p/ABL2 axis and encodes a novel PGD-219aa protein. Cell Death Dis 2022; 8:384. [PMID: 36104322 PMCID: PMC9472197 DOI: 10.1038/s41420-022-01177-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/26/2022]
Abstract
CircRNAs have critical effects on tumor development and progression. However, circPGD effect on gastric cancer (GC) is still elusive. Nuclear and cytoplasmic RNA fractionation, and RNA-FISH assay examined the localization of circPGD in MGC-803 cells. qRT-PCR was conducted to detect the expression and prognostic significance of circPGD, miR-16-5p, and ABL2 within GC tissues. Meanwhile, qRT-PCR, luciferase reporter assays, rescue, and western blotting assays confirmed the interactions between circPGD, miR-16-5p, and ABL2. Transwell, wound healing, and colony-formation assays, as well as CCK-8 and cell apoptosis assays, analyzed the functions of circPGD, miR-16-5p, ABL2, as well as PGD-219aa within GC cells. Western blotting and cell immunofluorescence experiments detected the differences in the expression of the related proteins. Finally, xenograft and metastatic mouse models were used to investigate circPGD function in vivo. Mass spectrometry was used to detect the existence of PGD-219aa in MGC-803 cells. CircPGD was localized in the cytoplasm and nucleus of MGC-803 cells. Compared with the control, circPGD and ABL2 expression increased within GC tissues and cells, and the miR-16-5p level was decreased. Functionally, circPGD promoted cell proliferation, migration and suppressed apoptosis in vitro. Mechanistically, circPGD sponged miR-16-5p for relieving miR-16-5p suppression on the corresponding target ABL2 via the SMAD2/3 and YAP signaling pathways. In addition, circPGD encodes a novel PGD-219aa protein that can enhance the growth and migration of GC cells, while inhibiting GC cells apoptosis via the SMAD2/3 and YAP signaling pathways. Furthermore, circPGD overexpression enhanced tumor aggressiveness, while circPGD knockdown inhibited tumor growth. Overall, circPGD has a novel oncogenic effect on GC cells, indicating the potential of circPGD as the tumorigenic factor and a promising diagnostic marker for GC.
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10
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Yu Z, Liang C, Tu H, Qiu S, Dong X, Zhang Y, Ma C, Li P. Common Core Genes Play Vital Roles in Gastric Cancer With Different Stages. Front Genet 2022; 13:881948. [PMID: 35938042 PMCID: PMC9352954 DOI: 10.3389/fgene.2022.881948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 05/31/2022] [Indexed: 12/24/2022] Open
Abstract
Background: Owing to complex molecular mechanisms in gastric cancer (GC) oncogenesis and progression, existing biomarkers and therapeutic targets could not significantly improve diagnosis and prognosis. This study aims to identify the key genes and signaling pathways related to GC oncogenesis and progression using bioinformatics and meta-analysis methods. Methods: Eligible microarray datasets were downloaded and integrated using the meta-analysis method. According to the tumor stage, GC gene chips were classified into three groups. Thereafter, the three groups’ differentially expressed genes (DEGs) were identified by comparing the gene data of the tumor groups with those of matched normal specimens. Enrichment analyses were conducted based on common DEGs among the three groups. Then protein–protein interaction (PPI) networks were constructed to identify relevant hub genes and subnetworks. The effects of significant DEGs and hub genes were verified and explored in other datasets. In addition, the analysis of mutated genes was also conducted using gene data from The Cancer Genome Atlas database. Results: After integration of six microarray datasets, 1,229 common DEGs consisting of 1,065 upregulated and 164 downregulated genes were identified. Alpha-2 collagen type I (COL1A2), tissue inhibitor matrix metalloproteinase 1 (TIMP1), thymus cell antigen 1 (THY1), and biglycan (BGN) were selected as significant DEGs throughout GC development. The low expression of ghrelin (GHRL) is associated with a high lymph node ratio (LNR) and poor survival outcomes. Thereafter, we constructed a PPI network of all identified DEGs and gained 39 subnetworks and the top 20 hub genes. Enrichment analyses were performed for common DEGs, the most related subnetwork, and the top 20 hub genes. We also selected 61 metabolic DEGs to construct PPI networks and acquired the relevant hub genes. Centrosomal protein 55 (CEP55) and POLR1A were identified as hub genes associated with survival outcomes. Conclusion: The DEGs, hub genes, and enrichment analysis for GC with different stages were comprehensively investigated, which contribute to exploring the new biomarkers and therapeutic targets.
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Affiliation(s)
- Zhiyuan Yu
- School of Medicine, Nankai University, Tianjin, China
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Chen Liang
- First Department of Liver Disease / Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing You’an Hospital, Capital Medical University, Beijing, China
| | - Huaiyu Tu
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Shuzhong Qiu
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xiaoyu Dong
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yonghui Zhang
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Chao Ma
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Peiyu Li
- School of Medicine, Nankai University, Tianjin, China
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- *Correspondence: Peiyu Li,
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11
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Monayo SM, Liu X. The Prospective Application of Melatonin in Treating Epigenetic Dysfunctional Diseases. Front Pharmacol 2022; 13:867500. [PMID: 35668933 PMCID: PMC9163742 DOI: 10.3389/fphar.2022.867500] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 04/14/2022] [Indexed: 01/09/2023] Open
Abstract
In the past, different human disorders were described by scientists from the perspective of either environmental factors or just by genetically related mechanisms. The rise in epigenetic studies and its modifications, i.e., heritable alterations in gene expression without changes in DNA sequences, have now been confirmed in diseases. Modifications namely, DNA methylation, posttranslational histone modifications, and non-coding RNAs have led to a better understanding of the coaction between epigenetic alterations and human pathologies. Melatonin is a widely-produced indoleamine regulator molecule that influences numerous biological functions within many cell types. Concerning its broad spectrum of actions, melatonin should be investigated much more for its contribution to the upstream and downstream mechanistic regulation of epigenetic modifications in diseases. It is, therefore, necessary to fill the existing gaps concerning corresponding processes associated with melatonin with the physiological abnormalities brought by epigenetic modifications. This review outlines the findings on melatonin’s action on epigenetic regulation in human diseases including neurodegenerative diseases, diabetes, cancer, and cardiovascular diseases. It summarizes the ability of melatonin to act on molecules such as proteins and RNAs which affect the development and progression of diseases.
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12
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Zhang Y, Lai X, Yue Q, Cao F, Zhang Y, Sun Y, Tian J, Lu Y, He L, Bai J, Wei Y. Bone marrow mesenchymal stem cells-derived exosomal microRNA-16-5p restrains epithelial-mesenchymal transition in breast cancer cells via EPHA1/NF-κB signaling axis. Genomics 2022; 114:110341. [PMID: 35283197 DOI: 10.1016/j.ygeno.2022.110341] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 02/09/2022] [Accepted: 03/07/2022] [Indexed: 01/14/2023]
Abstract
OBJECTIVE This study intends to conquer the mystery of microRNA-16-5p/erythropoietin-producing hepatocellular A1/nuclear factor-κB signaling (miR-16-5p/EPHA1/NF-κB signaling) in breast cancer. METHODS Expression of miR-16-5p, EPHA1 and NF-κB signaling-related proteins were detected. Gene overexpression or silencing was used to examine the biological roles of bone marrow mesenchymal stem cells (BMSCs)-derived exo-miR-16-5p in breast cancer. The effect of exo-miR-16-5p on tumorigenesis of breast cancer was confirmed by the xenograft nude mouse model. RESULTS Low miR-16-5p and high EPHA1 expression were examined in breast cancer. BMSCs-derived exosomes, up-regulated miR-16-5p or down-regulated EPHA1 restrained epithelial-mesenchymal transition (EMT) of breast cancer cells and tumor growth in nude mice. Down-regulated miR-16-5p or up-regulated EPHA1 activated NF-κB signaling. Knockdown of EPHA1 or inhibition of NF-κB signaling reversed the effects of down-regulated miR-16-5p on breast cancer cells. CONCLUSION BMSCs-derived exosomal miR-16-5p hinders breast cancer cells progression via EPHA1/NF-κB signaling axis.
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Affiliation(s)
- Yuan Zhang
- Department of Oncology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Xiaofeng Lai
- Fujian Key Laboratory of Aptamer Technology, Affiliated Dongfang Hospital of School of Medicine, Xiamen University, China; Department of Clinical Laboratory Medicine, Fuzhou General Clinical Medical School, Fuzhou 350108, Fujian, China; the 900th Hospital, Fujian Medical University, Fuzhou 350108, Fujian, China
| | - Qingfang Yue
- Department of Oncology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Fei Cao
- Department of Oncology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Yue Zhang
- Department of Pathology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Yang Sun
- Xi'an Medical University, Xi'an 710021, Shaanxi, China
| | - Jun Tian
- Department of Dermatology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Yizhao Lu
- Department of Emergency, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Li He
- Department of Oncology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Jun Bai
- Department of Oncology, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Yifang Wei
- Center for Reproductive Medicine, Naval Medical Center, Second, Military Medical University, Shanghai 200052, China.
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13
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Lario S, Ramírez-Lázaro MJ, Brunet-Vega A, Vila-Casadesús M, Aransay AM, Lozano JJ, Calvet X. Coding and non-coding co-expression network analysis identifies key modules and driver genes associated with precursor lesions of gastric cancer. Genomics 2022; 114:110370. [PMID: 35430283 DOI: 10.1016/j.ygeno.2022.110370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/23/2022] [Accepted: 04/11/2022] [Indexed: 01/14/2023]
Abstract
BACKGROUND Helicobacter pylori infection is the most important risk factor for gastric cancer (GC). Human gastric adenocarcinoma develops after long-term H. pylori infection via the Correa cascade. This carcinogenic pathway describes the progression from gastritis to atrophy, intestinal metaplasia (IM), dysplasia and GC. Patients with atrophy and intestinal metaplasia are considered to have precancerous lesions of GC (PLGC). H. pylori eradication and endoscopy surveillance are currently the only interventions for preventing GC. Better knowledge of the biology of human PLGC may help find stratification markers and contribute to better understanding of biological mechanisms. One way to achieve this is by using co-expression network analysis. Weighted gene co-expression network analysis (WGCNA) is often used to identify modules from co-expression networks and relate them to clinical traits. It also allows identification of driver genes that may be critical for PLGC. AIM The purpose of this study was to identify co-expression modules and differential gene expression in dyspeptic patients at different stages of the Correa pathway. METHODS We studied 96 gastric biopsies from 78 patients that were clinically classified as: non-active (n = 10) and chronic-active gastritis (n = 20), atrophy (n = 12), and IM (n = 36). Gene expression of coding RNAs was determined by microarrays and non-coding RNAs by RNA-seq. The WGCNA package was used for network construction, module detection, module preservation and hub and driver gene selection. RESULTS WGCNA identified 20 modules for coding RNAs and 4 for each miRNA and small RNA class. Modules were associated with antrum and corpus gastric locations, chronic gastritis and IM. Notably, coding RNA modules correlated with the Correa cascade. One was associated with the presence of H. pylori. In three modules, the module eigengene (ME) gradually increased in the stages toward IM, while in three others the inverse relationship was found. One miRNA module was negatively correlated to IM and was used for a mRNA-miRNA integration analysis. WGCNA also uncovered driver genes. Driver genes show both high connectivity within a module and are significantly associated with clinical traits. Some of those genes have been previously involved in H. pylori carcinogenesis, but others are new. Lastly, using similar external transcriptomic data, we confirmed that the discovered mRNA modules were highly preserved. CONCLUSION Our analysis captured co-expression modules that provide valuable information to understand the pathogenesis of the progression of PLGC.
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Affiliation(s)
- Sergio Lario
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain; Digestive Diseases Unit, Hospital Universitari Parc Taulí, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain.
| | - María J Ramírez-Lázaro
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain; Digestive Diseases Unit, Hospital Universitari Parc Taulí, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain
| | - Anna Brunet-Vega
- Oncology Unit, Hospital Universitari Parc Taulí, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain
| | - Maria Vila-Casadesús
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain; Bioinformatics Platform, CIBEREHD, Barcelona, Spain
| | - Ana M Aransay
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain; Genome Analysis Platform, CIC bioGUNE, Bizkaia Technology Park, Derio, Bizkaia, Spain
| | - Juan J Lozano
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain; Bioinformatics Platform, CIBEREHD, Barcelona, Spain
| | - Xavier Calvet
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Instituto de Salud Carlos III, Madrid, Spain; Digestive Diseases Unit, Hospital Universitari Parc Taulí, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain; Departament de Medicina, UAB, Sabadell, Spain
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14
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Yan Z, Zhang X, Hua L, Huang L. Melatonin inhibits the malignant progression of glioblastoma via regulating miR-16-5p/PIM1. Curr Neurovasc Res 2022; 19:92-99. [PMID: 35388757 DOI: 10.2174/1567202619666220406084947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 01/28/2022] [Accepted: 02/02/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVES Melatonin (MT) is a pineal hormone with antineoplastic potential. This study aims to explore the therapeutic potential and mechanism of MT on glioblastoma (GBM). METHODS A human GBM cell line, LN229 was used for evaluating the function of MT. Cell viability, apoptosis, and migration were detected by CCK-8, flow cytometry, and transwell assays, respectively. The mRNA and protein expression of specific genes were measured by qRT-PCR and western blot, respectively. The regulatory relationship between miR-16-5p and PIM1 was validated by dual luciferase reporter gene assay. A mouse xenograft model was established to prove the anti-tumor effect and related mechanisms of MT in vivo. RESULTS MT inhibited the viability and migration, and promoted the apoptosis of LN229 cells in a dose-dependent manner. MiR-16-5p was dose-dependently up-regulated by MT in LN229 cells, which negatively regulated its target PIM1. MiR-16-5p inhibitor eliminated the anti-tumor effect of MT in LN229 cells, while si-PIM1 reversed the effect of miR-16-5p inhibitor in MT-treated cells. MT inhibited the tumor growth in vivo and MT-induced PIM1 down-regulation was reversed by miR-16-5p inhibition in tumor tissues. CONCLUSIONS MT inhibits the malignant progression of GBM via regulating miR-16-5p-midiated PIM1.
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Affiliation(s)
- Zhaoxian Yan
- First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Xin Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Lin Hua
- Department of Neurosurgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Lifa Huang
- Department of Neurosurgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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15
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miRNA Expression Profiling in Subcutaneous Adipose Tissue of Monozygotic Twins Discordant for HIV Infection: Validation of Differentially Expressed miRNA and Bioinformatic Analysis. Int J Mol Sci 2022; 23:ijms23073486. [PMID: 35408847 PMCID: PMC8998861 DOI: 10.3390/ijms23073486] [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: 02/21/2022] [Revised: 03/21/2022] [Accepted: 03/21/2022] [Indexed: 02/04/2023] Open
Abstract
Combined AntiRetroviral Treatments (cARTs) used for HIV infection may result in varied metabolic complications, which in some cases, may be related to patient genetic factors, particularly microRNAs. The use of monozygotic twins, differing only for HIV infection, presents a unique and powerful model for the controlled analysis of potential alterations of miRNAs regulation consequent to cART treatment. Profiling of 2578 mature miRNA in the subcutaneous (SC) adipose tissue and plasma of monozygotic twins was investigated by the GeneChip® miRNA 4.1 array. Real-time PCR and ddPCR experiments were performed in order to validate differentially expressed miRNAs. Target genes of deregulated miRNAs were predicted by the miRDB database (prediction score > 70) and enrichment analysis was carried out with g:Profiler. Processes in SC adipose tissue most greatly affected by miRNA up-regulation included (i) macromolecular metabolic processes, (ii) regulation of neurogenesis, and (iii) protein phosphorylation. Furthermore, KEGG analysis revealed miRNA up-regulation involvement in (i) insulin signaling pathways, (ii) neurotrophin signaling pathways, and (iii) pancreatic cancer. By contrast, miRNA up-regulation in plasma was involved in (i) melanoma, (ii) p53 signaling pathways, and (iii) focal adhesion. Our findings suggest a mechanism that may increase the predisposition of HIV+ patients to insulin resistance and cancer.
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16
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miRNAs in Cancer (Review of Literature). Int J Mol Sci 2022; 23:ijms23052805. [PMID: 35269947 PMCID: PMC8910953 DOI: 10.3390/ijms23052805] [Citation(s) in RCA: 102] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs) are short, noncoding, single-stranded RNA molecules that regulate gene expression at the post-transcriptional level by binding to mRNAs. miRNAs affect the course of processes of fundamental importance for the proper functioning of the organism. These processes include cell division, proliferation, differentiation, cell apoptosis and the formation of blood vessels. Altered expression of individual miRNAs has been shown in numerous cancers, which may indicate the oncogenic or suppressor potential of the molecules in question. This paper discusses the current knowledge about the possibility of using miRNA as a diagnostic marker and a potential target in modern anticancer therapies.
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17
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Cinque A, Capasso A, Vago R, Floris M, Lee MW, Minnei R, Trevisani F. MicroRNA Signatures in the Upper Urinary Tract Urothelial Carcinoma Scenario: Ready for the Game Changer? Int J Mol Sci 2022; 23:2602. [PMID: 35269744 PMCID: PMC8910117 DOI: 10.3390/ijms23052602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/20/2022] [Accepted: 02/24/2022] [Indexed: 12/18/2022] Open
Abstract
Upper urinary tract urothelial carcinoma (UTUC) represents a minor subgroup of malignancies arising in the urothelium of the renal pelvis or ureter. The estimated annual incidence is around 2 cases per 100,000 people, with a mean age at diagnosis of 73 years. UTUC is more frequently diagnosed in an invasive or metastatic stage. However, even though the incidence of UTUC is not high, UTUC tends to be aggressive and rapidly progressing with a poor prognosis in some patients. A significant challenge in UTUC is ensuring accurate and timely diagnosis, which is complicated by the non-specific nature of symptoms seen at the onset of disease. Moreover, there is a lack of biomarkers capable of identifying the early presence of the malignancy and guide-tailored medical treatment. However, the growing understanding of the molecular biology underlying UTUC has led to the discovery of promising new biomarkers. Among these biomarkers, there is a class of small non-coding RNA biomarkers known as microRNAs (miRNAs) that are particularly promising. In this review, we will analyze the main characteristics of UTUC and focus on microRNAs as possible novel tools that could enter clinical practice in order to optimize the current diagnostic and prognostic algorithm.
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Affiliation(s)
- Alessandra Cinque
- Biorek S.r.l., San Raffaele Scientific Institute, 20132 Milan, Italy;
| | - Anna Capasso
- Department of Medical Oncology Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX 78723, USA;
| | - Riccardo Vago
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy;
- Faculty of Medicine and Surgery,, Università Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Matteo Floris
- Nephrology, Dialysis, and Transplantation, Università degli Studi di Cagliari, G. Brotzu Hospital, 09134 Cagliari, Italy; (M.F.); (R.M.)
| | - Michael W. Lee
- Department of Medical Oncology and Medical Education, Dell Medical School, Livestrong Cancer Institutes, University of Texas at Austin, Austin, TX 78723, USA;
| | - Roberto Minnei
- Nephrology, Dialysis, and Transplantation, Università degli Studi di Cagliari, G. Brotzu Hospital, 09134 Cagliari, Italy; (M.F.); (R.M.)
| | - Francesco Trevisani
- Biorek S.r.l., San Raffaele Scientific Institute, 20132 Milan, Italy;
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy;
- Unit of Urology, San Raffaele Scientific Institute, 20132 Milan, Italy
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18
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Sousa DA, Carneiro M, Ferreira D, Moreira FTC, Sales MGFV, Rodrigues LR. Recent advances in the selection of cancer-specific aptamers for the development of biosensors. Curr Med Chem 2022; 29:5850-5880. [PMID: 35209816 DOI: 10.2174/0929867329666220224155037] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 11/30/2021] [Accepted: 12/19/2021] [Indexed: 11/22/2022]
Abstract
An early diagnosis has the potential to greatly decrease cancer mortality. For that purpose, specific cancer biomarkers have been molecularly targeted by aptamer sequences to enable an accurate and rapid detection. Aptamer-based biosensors for cancer diagnostics are a promising alternative to those using antibodies, due to their high affinity and specificity to the target molecules and advantageous production. Synthetic nucleic acid aptamers are generated by in vitro Systematic Evolution of Ligands by Exponential enrichment (SELEX) methodologies that have been improved over the years to enhance the efficacy and to shorten the selection process. Aptamers have been successfully applied in electrochemical, optical, photoelectrochemical and piezoelectrical-based detection strategies. These aptasensors comprise a sensitive, accurate and inexpensive option for cancer detection being used as point-of-care devices. This review highlights the recent advances in cancer biomarkers, achievements and optimizations made in aptamer selection, as well as the different aptasensors developed for the detection of several cancer biomarkers.
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Affiliation(s)
- Diana A Sousa
- CEB- Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- MIT-Portugal Program, Lisbon, Portugal
| | - Mariana Carneiro
- CEB- Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- BioMark@ISEP, School of Engineering, Polytechnic of Porto, Porto, Portugal
| | - Débora Ferreira
- CEB- Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- MIT-Portugal Program, Lisbon, Portugal
| | - Felismina T C Moreira
- CEB- Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- BioMark@ISEP, School of Engineering, Polytechnic of Porto, Porto, Portugal
| | - Maria Goreti F V Sales
- CEB- Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- MIT-Portugal Program, Lisbon, Portugal
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal
| | - Lígia R Rodrigues
- CEB- Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
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Yang L, Yang S, Ren C, Liu S, Zhang X, Sui A. Deciphering the roles of miR-16-5p in Malignant Solid Tumorsmalignant solid tumors. Pharmacotherapy 2022; 148:112703. [PMID: 35149384 DOI: 10.1016/j.biopha.2022.112703] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/01/2022] [Accepted: 02/04/2022] [Indexed: 11/02/2022]
Abstract
MiR-16-5p, a member of the miR-16 family, has been reported to be abnormal expression in tumor tissues and blood of tumor patients, and also downregulated in most cancer cell lines. Aberrant expression of miR-16-5p promotes tumor cell proliferation, invasion, metastasis, angiogenesis, and can also affect the treatment sensitivity, such as radiotherapy and chemotherapy. Generally, miR-16-5p plays an anti-tumor role and these diverse functions of miR-16-5p in tumors collectively indicate that miR-16-5p may become an attractive target for novel anticancer therapies and a powerful diagnostic and prognostic biomarker for early tumor detection and population risk screening. Herein we review the role and utilization of miR-16-5p in malignant tumor in detail.
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Affiliation(s)
- Liuyi Yang
- Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei, China; Graduate School of North China University of Science and Technology, Tangshan, Hebei, China
| | - Sen Yang
- Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei, China; Graduate School of North China University of Science and Technology, Tangshan, Hebei, China
| | - Congcong Ren
- Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei, China; Graduate School of Hebei North University, Zhangjiakou, Hebei, China
| | - Shihua Liu
- Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei, China; Graduate School of Hebei North University, Zhangjiakou, Hebei, China
| | - Xiaopei Zhang
- Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei, China; Graduate School of Hebei North University, Zhangjiakou, Hebei, China
| | - Aixia Sui
- Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei, China.
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20
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Powrózek T, Ochieng Otieno M. Blood Circulating Non-Coding RNAs for the Clinical Management of Triple-Negative Breast Cancer. Cancers (Basel) 2022; 14:803. [PMID: 35159070 PMCID: PMC8833777 DOI: 10.3390/cancers14030803] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 02/06/2023] Open
Abstract
Triple negative breast cancer (TNBC) represents the most aggressive subtype of breast cancer, and is related to unfavorable prognosis and limited treatment strategies. Currently, there is a lack of reliable biomarkers allowing for the clinical management of TNBC. This is probably caused by a complex molecular background, leading to the development and establishment of a unique tumor phenotype. Recent studies have reported non-coding RNAs (ncRNAs) not only as the most promising class of molecular agents with a high applicability to manage human cancers, including TNBC, but also as robust and non-invasive biomarkers that are able to be monitored in blood circulation, with the application of liquid biopsy. There is a lack of papers discussing the role of blood-circulating ncRNAs as diagnostic, predictive, and prognostic biomarkers for TNBC. In this paper, we summarized the available literature reports on the utility of blood-circulating ncRNAs for TNBC management. Additionally, we supplemented this review by bioinformatics analysis, for better understanding of the role of ncRNAs' machinery in the development of a unique TNBC phenotype.
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Affiliation(s)
- Tomasz Powrózek
- Department of Human Physiology, Medical University of Lublin, 20-080 Lublin, Poland
| | - Michael Ochieng Otieno
- Haematological Malignancies H12O Clinical Research Unit, Spanish National Cancer Research Centre, 28029 Madrid, Spain;
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21
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Yerukala Sathipati S, Tsai MJ, Carter T, Allaire P, Shukla SK, Beheshti A, Ho SY. Survival estimation in patients with stomach and esophageal carcinoma using miRNA expression profiles. Comput Struct Biotechnol J 2022; 20:4490-4500. [PMID: 36051876 PMCID: PMC9421182 DOI: 10.1016/j.csbj.2022.08.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/10/2022] [Accepted: 08/10/2022] [Indexed: 11/27/2022] Open
Abstract
Identifying a miRNA signature associated with survival will open a new window for developing miRNA-targeted treatment strategies in stomach and esophageal cancers (STEC). Here, using data from The Cancer Genome Atlas on 516 patients with STEC, we developed a Genetic Algorithm-based Survival Estimation method, GASE, to identify a miRNA signature that could estimate survival in patients with STEC. GASE identified 27 miRNAs as a survival miRNA signature and estimated the survival time with a mean squared correlation coefficient of 0.80 ± 0.01 and a mean absolute error of 0.44 ± 0.25 years between actual and estimated survival times, and showed a good estimation capability on an independent test cohort. The miRNAs of the signature were prioritized and analyzed to explore their roles in STEC. The diagnostic ability of the identified miRNA signature was analyzed, and identified some critical miRNAs in STEC. Further, miRNA-gene target enrichment analysis revealed the involvement of these miRNAs in various pathways, including the somatotrophic axis in mammals that involves the growth hormone and transforming growth factor beta signaling pathways, and gene ontology annotations. The identified miRNA signature provides evidence for survival-related miRNAs and their involvement in STEC, which would aid in developing miRNA-target based therapeutics.
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Affiliation(s)
- Srinivasulu Yerukala Sathipati
- Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI 54449, USA
- Corresponding author.
| | - Ming-Ju Tsai
- Hinda and Arthur Marcus Institute for Aging Research at Hebrew Senior Life, Boston, MA, USA
- Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Tonia Carter
- Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI 54449, USA
| | - Patrick Allaire
- Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI 54449, USA
| | - Sanjay K. Shukla
- Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI 54449, USA
| | - Afshin Beheshti
- KBR, Space Biosciences Division, NASA Ames Research Center, Moffett Field, CA 94035, USA
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Shinn-Ying Ho
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
- Biomedical Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
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22
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Saliminejad K, Mahmoodzadeh H, Soleymani Fard S, Yaghmaie M, Khorram Khorshid HR, Mousavi SA, Vaezi M, Ghaffari SH. A Panel of Circulating microRNAs as a Potential Biomarker for the Early Detection of Gastric Cancer. Avicenna J Med Biotechnol 2022; 14:278-286. [PMID: 36504565 PMCID: PMC9706247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 07/02/2022] [Indexed: 12/15/2022] Open
Abstract
Background The high mortality rate of Gastric Cancer (GC) is a consequence of delayed diagnosis. The early diagnosis of GC could increase the five-year survival rate among patients. We aimed to find a panel of microRNAs (miRNA) for the detection of GC in the early stages. Methods In this case-control study, we selected consistently upregulated miRNAs from the results of 12 high-throughput miRNA profiling studies in GC. In the profiling phase, the differential expressions of 13 candidate miRNAs were analyzed by quantitative reverse-transcription PCR (qRT-PCR) in two pooled RNA samples prepared from the plasma of eight GC patients and eight matched controls. In the validation phase, significantly upregulated miRNAs from the profiling phase were further evaluated in the plasma samples of 97 patients with stage I-IV gastric adenocarcinoma and 100 healthy controls. Results In the profiling phase, six miRNAs (miR-18a, 21, 25, 92a, 125b and 221) were significantly upregulated in the GC patients compared to the controls (p<0.05). However, in the validation phase, only significant up-regulation of miR-18a, 21 and 125b was confirmed (p<0.05). A panel of miR-18a/21/125b was able to detect GC patients with stage I-IV from the controls (p<0.001; AUC=0.92, sensitivity=86%; specificity=85%). In addition, the panel could distinguish the early-stage GC (I+II) from the control group with an AUC of 0.83, a sensitivity of 83%, and a specificity of 75%. Conclusion A panel of circulating miR18a/21/125b could be suggested as a potential biomarker for the early detection of GC.
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Affiliation(s)
- Kioomars Saliminejad
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran, Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Habibollah Mahmoodzadeh
- Department of Surgery, Cancer Institute, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahrzad Soleymani Fard
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Marjan Yaghmaie
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Seyed Asadollah Mousavi
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Vaezi
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Hamidollah Ghaffari
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran,Corresponding author: Seyed Hamidollah Ghaffari, Ph.D., Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran, Tel: +98 21 84902665, Fax: +98 21 88004140, E-mail:,
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miRNA-19b-3p Stimulates Cardiomyocyte Apoptosis Induced by Myocardial Ischemia Reperfusion via Downregulating PTEN. DISEASE MARKERS 2021; 2021:9956666. [PMID: 34956421 PMCID: PMC8702358 DOI: 10.1155/2021/9956666] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/06/2021] [Indexed: 12/16/2022]
Abstract
Objective To clarify the function of miRNA-19b-3p in accelerating myocardial ischemia-reperfusion injury- (MIRI-) induced cardiomyocyte apoptosis by downregulating gene of phosphate and tension homology deleted on chromsome ten (PTEN), thus influencing the progression of acute myocardial infarction. Materials and Methods miRNA-19b-3p and PTEN levels in HCM cells undergoing hypoxia/reoxygenation (H/R) were determined. Meanwhile, activities of myocardium injury markers [lactate dehydrogenase (LDH), malondialdehyde; malonic dialdehyde (MDA), superoxide dismutase (SOD), and glutathione peroxidase (GSH-PX)] in H/R-induced HCM cells were tested. Through dual-luciferase reporter gene assay, the binding between miRNA-19b-3p and PTEN was verified. Regulatory effects of miRNA-19b-3p and PTEN on apoptotic rate and apoptosis-associated gene expressions (proapoptotic protein Bcl-2 associated X protein (Bax), antiapoptotic protein B-cell lymphoma-2 (Bcl-2), and cytochrome C) in H/R-induced human cardiac myocytes (HCM) cells were examined. Results miRNA-19b-3p was upregulated, while PTEN was downregulated in H/R-induced HCM cells. Knockdown of miRNA-19b-3p decreased activities of LDH, MDA, and GSH-PX, but increased SOD level in H/R-induced HCM cells. The binding between miRNA-19b-3p and PTEN was confirmed. More importantly, knockdown of miRNA-19b-3p reduced apoptotic rate, downregulated proapoptosis gene expressions (Bax and cytochrome C), and upregulated antiapoptosis gene expression (Bcl-2), which were reversed by silence of PTEN. Conclusions miRNA-19b-3p is upregulated in HCM cells undergoing hypoxia and reoxygenation, which accelerates MIRI-induced cardiomyocyte apoptosis through downregulating PTEN.
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24
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Wang H, Di X, Bi Y, Sun S, Wang T. Long non-coding RNA LINC00649 regulates YES-associated protein 1 (YAP1)/Hippo pathway to accelerate gastric cancer (GC) progression via sequestering miR-16-5p. Bioengineered 2021; 12:1791-1802. [PMID: 33975517 PMCID: PMC8806528 DOI: 10.1080/21655979.2021.1924554] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/27/2021] [Indexed: 12/13/2022] Open
Abstract
Although long non-coding RNA (LncRNA) LINC00649 is reported to be closely associated with acute myeloid leukemia (AML), prostate cancer and colorectal cancer, its role in regulating other types of cancer, such as gastric cancer (GC), has not been studied. This study analyzed the expression status of LINC00649 in GC tissues and cells by performing Real-Time qPCR analysis, and we found that LINC00649 tended to be enriched in cancerous tissues and cells but not in their normal counterparts, which were supported by the data from TCGA dataset. Next, by performing the gain- and loss-of-function experiments, we expectedly found that LINC00649 acted as an oncogene to accelerate GC cell proliferation, migration and epithelial-mesenchymal transition (EMT) in vitro and promote its tumorigenesis in vivo. Moreover, the online miRDB software predicted that miR-16-5p bound to both LINC00649 and 3' untranslated region (3'UTR) of YAP1 mRNA, which were validated by the following dual-luciferase reporter gene system assay and RNA pull-down assay. Finally, we proved that LINC00649 exerted its tumor-promoting effects in GC by regulating the miR-16-5p/YES-associated protein 1 (YAP1)/Hippo pathway. Mechanistically, knock-down of LINC00649 suppressed YAP1 expressions by releasing miR-16-5p, resulting in the recovery of the Hippo pathway, which suppressed the expression levels of the downstream oncogenes, including EGFR, SOX2 and OCT4, leading to the inhibition of the malignant phenotypes in GC cells. In conclusion, this study, for the first time, evidenced that LINC00649 promoted GC progression by targeting the miR-16-5p/YAP1/Hippo signaling pathway, which provided potential diagnostic and therapeutic indicators for GC treatment for clinical utilization.
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Affiliation(s)
- Hongyan Wang
- Department of Gastroenterology, PKUCare Luzhong Hospital, Zibo, Shandong, China
| | - Xin Di
- Department of General Surgery, PKUCare Luzhong Hospital, Zibo, Shandong, China
| | - Yingjie Bi
- Department of Gastroenterology, PKUCare Luzhong Hospital, Zibo, Shandong, China
| | - Shidong Sun
- Department of Gastroenterology, PKUCare Luzhong Hospital, Zibo, Shandong, China
| | - Tao Wang
- Department of Gastroenterology, PKUCare Luzhong Hospital, Zibo, Shandong, China
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25
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Fu Y, Wang N, Yang A, Xu Z, Zhang W, Liu H, Law HKW, Yan F. Ultrasensitive Detection of Ribonucleic Acid Biomarkers Using Portable Sensing Platforms Based on Organic Electrochemical Transistors. Anal Chem 2021; 93:14359-14364. [PMID: 34661391 DOI: 10.1021/acs.analchem.1c03441] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The analysis of ribonucleic acid (RNA) plays an important role in the early diagnosis of diseases and will greatly benefit patients with a higher cure rate. However, the low abundance of RNA in physiological environments requires ultrahigh sensitivity of a detection technology. Here, we construct a portable and smart-phone-controlled biosensing platform based on disposable organic electrochemical transistors for ultrasensitive analysis of microRNA (miRNA) biomarkers within 1 h. Due to their inherent amplification function, the devices can detect miRNA cancer biomarkers from little-volume solutions with concentrations down to 10-14 M. The devices can distinguish blood miRNA expression levels at different cancer stages using a 4T1 mouse tumor model. The technique for ultrasensitive and fast detection of RNA biomarkers with high selectivity opens a window for mobile diagnosis of various diseases with low cost.
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Affiliation(s)
- Ying Fu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong.,Department of Pure and Applied Chemistry, Technology and Innovation Centre, University of Strathclyde, Glasgow G1 1RD, United Kingdom
| | - Naixiang Wang
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Anneng Yang
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Zhiai Xu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Wen Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Hong Liu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Helen Ka-Wai Law
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Feng Yan
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong.,Research Institute of Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
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Song X, Li L, Zhao Y, Song Y. Down-regulation of long non-coding RNA XIST aggravates sepsis-induced lung injury by regulating miR-16-5p. Hum Cell 2021; 34:1335-1345. [PMID: 33978928 PMCID: PMC8114023 DOI: 10.1007/s13577-021-00542-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 04/27/2021] [Indexed: 11/30/2022]
Abstract
This study aims to explain the role and related mechanisms of long non-coding RNA (lncRNA) X inactive specific transcript (XIST) in sepsis-induced acute lung injury (ALI). The in vivo septic models and in vitro septic model were established. In animal models, the lung injury of the rats was evaluated after XIST was overexpressed. In cell models, the effects of XIST and microRNA (miR)-16-5p on ALI was detected by MTT assay, Western blot and ELISA. The interaction between XIST and miR-16-5p was investigated by bioinformatics analysis, dual-luciferase reporter assay, RIP assay and RNA pull-down assay. We found that XIST expression was down-regulated in lung tissues of septic rats and lipopolysaccharide-stimulated cells, while the expression of miR-16-5p was up-regulated. Down-regulation of XIST significantly promoted pulmonary edema, increased the levels of TNF-α, IL-1β and malondialdehyde, inhibited the cell viability and decreased the level of superoxide dismutase. Mechanistically, it was confirmed that XIST could sponge miR-16-5p, and thus repress its expression, and the transfection of miR-16-5p mimics could reverse the effects of XIST over-expression in the cell model. Collectively, it is concluded that XIST reduces sepsis-induced ALI via regulating miR-16-5p.
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Affiliation(s)
- Xiaofei Song
- Department of Gastrointestinal Surgery, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Medical College of Henan University, Weiwu Road No. 7, Zhengzhou, 450003 Henan Province China
| | - Linyu Li
- Department of Scientific Research, Sanquan College of Xinxiang Medical University, Xinxiang, 453003 China
| | - Yaying Zhao
- Department of Disinfection Supply Center, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Medical College of Henan University, Zhengzhou, 450003 China
| | - Yucheng Song
- Department of Gastrointestinal Surgery, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Medical College of Henan University, Weiwu Road No. 7, Zhengzhou, 450003 Henan Province China
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27
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Saral MA, Tuncer SB, Odemis DA, Erdogan OS, Erciyas SK, Saip P, Ozel S, Yazici H. New biomarkers in peripheral blood of patients with ovarian cancer: high expression levels of miR-16-5p, miR-17-5p, and miR-638. Arch Gynecol Obstet 2021; 305:193-201. [PMID: 34370073 DOI: 10.1007/s00404-021-06138-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 06/23/2021] [Indexed: 01/04/2023]
Abstract
OBJECTIVES Ovarian cancer is one of the most fatal gynecologic malignities. miR-16-5p, miR-17-5p, and miR-638 genes were found to have been associated with ovarian cancer in accordance with the data obtained from the previous microarray research performed by Tuncer et al. (J Ovarian Res 13(1):99, 2020). The expression levels of these miRNAs in the peripheral blood samples of 142 ovarian cancer patients, and 97 healthy controls were investigated for performing the validation, and to identify whether these genes were the possible biomarkers to be used in the early diagnosis of high-risk ovarian cancer patients, and in the prognosis of patients. METHODS The miRNA expression analysis was performed using the miRNA-specific cDNA synthesis, and real-time PCR methods following the RNA isolation from the peripheral blood lymphocytes. RESULTS miR-16-5p, miR-17-5p, and miR-638 miRNA gene expression levels were found to have twofold higher expression levels in patient groups compared with the gene expression levels in healthy controls, and were statistically significant (p < 0.05). In addition, the comparison of the miRNA expression levels with the clinical data of patients showed that there was a significant difference with smoking history and the increased expression level of miR-17-5 (p: 0.007). There was a significant difference between the increased expression level of miR-638 with the locally advanced stage, and abdominal/pelvic metastatic patients (p: 0.03). CONCLUSIONS The obtained data suggest that miR-16-5p, miR-17-5p, and miR-638 molecules might be the noninvasive biomarkers in identifying the ovarian cancer. However, the investigation and monitoring of the changeability of these biomarkers in benign ovarian diseases, and during the treatment must be performed in future studies for identifying the accurate diagnostic, and prognostic features of miRNAs.
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Affiliation(s)
- Mukaddes Avsar Saral
- Division of Cancer Genetics, Department of Basic Oncology, Oncology Institute, Istanbul University, Fatih , 34093, Istanbul, Turkey.,Health Sciences Institute, Istanbul University, Beyazıt/Fatih, 34452, Istanbul, Turkey.,Health Services Vocational School of Higher Education, T.C. Istanbul Aydin University, Sefakoy Kucukcekmece, 34295, Istanbul, Turkey
| | - Seref Bugra Tuncer
- Division of Cancer Genetics, Department of Basic Oncology, Oncology Institute, Istanbul University, Fatih , 34093, Istanbul, Turkey
| | - Demet Akdeniz Odemis
- Division of Cancer Genetics, Department of Basic Oncology, Oncology Institute, Istanbul University, Fatih , 34093, Istanbul, Turkey
| | - Ozge Sukruoglu Erdogan
- Division of Cancer Genetics, Department of Basic Oncology, Oncology Institute, Istanbul University, Fatih , 34093, Istanbul, Turkey
| | - Seda Kilic Erciyas
- Division of Cancer Genetics, Department of Basic Oncology, Oncology Institute, Istanbul University, Fatih , 34093, Istanbul, Turkey
| | - Pınar Saip
- Department of Medical Oncology in Oncology Institute, Istanbul University, Fatih, 34093, Istanbul, Turkey
| | - Sevda Ozel
- Department of Biostatistics, Istanbul Faculty of Medicine, Istanbul University, Fatih, 34093, Istanbul, Turkey
| | - Hulya Yazici
- Division of Cancer Genetics, Department of Basic Oncology, Oncology Institute, Istanbul University, Fatih , 34093, Istanbul, Turkey.
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Transferred by exosomes-derived MiR-19b-3p targets PTEN to regulate esophageal cancer cell apoptosis, migration and invasion. Biosci Rep 2021; 40:226893. [PMID: 33146702 PMCID: PMC7685012 DOI: 10.1042/bsr20201858] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 02/06/2023] Open
Abstract
The present study aims to investigate the relationship between miR-19b-3p and esophageal cancer (ESCA), and to detect the effects of miR-19b-3p transferred by exosomes on the phenotype of EC9706 cells. The expression of miR-19b-3p was detected by starBase analysis and real-time quantitative PCR (RT-qPCR). The target genes of miR-19b-3p were predicted by TargetScan and further verified by luciferase analysis. The mRNA and protein expression levels of PTEN and EMT-related genes were detected by RT-qPCR and Western blotting. The effects of miR-19b-3p transferred by exosomes and its target genes on the apoptosis, migration and invasion of EC9706 cells were studied by establishing a co-culture model of donor cells. The expression of miR-19b-3p in ESCA plasma, cells and exosomes was significantly up-regulated. miR-19b-3p transferred by exosomes could significantly reduce EC9706 cells apoptosis rate, promote cell migration and invasion, and could target the inhibition of PTEN expression. PTEN overexpression promoted apoptosis, inhibited cell migration and invasion, down-regulated the expression of MMP-2 and vimentin, and up-regulated E-cadherin expression; however, these effects could be partially reversed by miR-19b-3p. In summary, our results reveal that miR-19b-3p transferred by exosomes can target PTEN to regulate ESCA biological functions in the receptor EC9706 cells.
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29
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CLCA4 and MS4A12 as the significant gene biomarkers of primary colorectal cancer. Biosci Rep 2021; 40:226087. [PMID: 32797167 PMCID: PMC7441370 DOI: 10.1042/bsr20200963] [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: 03/27/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023] Open
Abstract
Background: Primary colorectal cancer (PCRC) is a common digestive tract cancer in the elderly. However, the treatment effect of PCRC is still limited, and the long-term survival rate is low. Therefore, further exploring the pathogenesis of PCRC, and searching for specific molecular targets for diagnosis are the development trends of precise medical treatment, which have important clinical significance. Methods: The public data were downloaded from Gene Expression Omnibus (GEO) database. Verification for repeatability of intra-group data was performed by Pearson’s correlation test and principal component analysis. Differentially expressed genes (DEGs) between normal and PCRC were identified, and the protein–protein interaction (PPI) network was constructed. Significant module and hub genes were found in the PPI network. A total of 192 PCRC patients were recruited between 2010 and 2019 from the Fourth Hospital of Hebei Medical University. RT-PCR was used to measure the relative expression of CLCA4 and MS4A12. Furthermore, the study explored the effect of expression of CLCA4 and MS4A12 for overall survival. Results: A total of 53 DEGs were identified between PCRC and normal colorectal tissues. Ten hub genes concerned to PCRC were screened, namely CLCA4, GUCA2A, GCG, SST, MS4A12, PLP1, CHGA, PYY, VIP, and GUCA2B. The PCRC patients with low expression of CLCA4 and MS4A12 has a worse overall survival than high expression of CLCA4 and MS4A12 (P<0.05). Conclusion: The research of DEGs in PCRC (53 DEGs, 10 hub genes, especially CLCA4 and MS4A12) and related signaling pathways is conducive to the differential analysis of the molecular mechanism of PCRC.
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30
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Gayosso-Gómez LV, Ortiz-Quintero B. Circulating MicroRNAs in Blood and Other Body Fluids as Biomarkers for Diagnosis, Prognosis, and Therapy Response in Lung Cancer. Diagnostics (Basel) 2021; 11:diagnostics11030421. [PMID: 33801442 PMCID: PMC7999833 DOI: 10.3390/diagnostics11030421] [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: 01/25/2021] [Revised: 02/19/2021] [Accepted: 02/26/2021] [Indexed: 12/14/2022] Open
Abstract
The identification of circulating microRNAs (miRNAs) in peripheral blood and other body fluids has led to considerable research interest in investigating their potential clinical application as non-invasive biomarkers of cancer, including lung cancer, the deadliest malignancy worldwide. Several studies have found that alterations in the levels of miRNAs in circulation are able to discriminate lung cancer patients from healthy individuals (diagnosis) and are associated with patient outcome (prognosis) and treatment response (prediction). Increasing evidence indicates that circulating miRNAs may function as mediators of cell-to-cell communication, affecting biological processes associated with tumor initiation and progression. This review is focused on the most recent studies that provide evidence of the potential value of circulating miRNAs in blood and other body fluids as non-invasive biomarkers of lung cancer in terms of diagnosis, prognosis, and response to treatment. The status of their potential clinical application in lung cancer is also discussed, and relevant clinical trials were sought and are described. Because of the relevance of their biological characteristics and potential value as biomarkers, this review provides an overview of the canonical biogenesis, release mechanisms, and biological role of miRNAs in lung cancer.
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31
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Zheng GD, Xu ZY, Hu C, Lv H, Xie HX, Huang T, Zhang YQ, Chen GP, Fu YF, Cheng XD. Exosomal miR-590-5p in Serum as a Biomarker for the Diagnosis and Prognosis of Gastric Cancer. Front Mol Biosci 2021; 8:636566. [PMID: 33681295 PMCID: PMC7928302 DOI: 10.3389/fmolb.2021.636566] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 01/06/2021] [Indexed: 12/20/2022] Open
Abstract
The purpose of this study is to explore the expression of miRNA-590-5p, an exosome of gastric cancer (GC), and to evaluate the suitability of miR-590-5p, an exosome with its own clinical characteristics. Serum samples from 168 gastric cancer patients and 50 matched controls were collected and exosomal RNAs were extracted. After that, miR-590-5p is analyzed by quantitative polymerase chain reaction (qRT-PCR), which is more related to clinical and pathological parameters and patient monitoring data. MGC-803 and HGC-27 cells were treated by miR-590-5p mimics, and then the changes of cell fluidity and invasiveness were monitored. The results showed that the expression level of miR-590-5p in exosomes of healthy observation group, early (I and II) stage group, and late stage (III) group was 30.34 ± 6.35, 6.19 ± 0.81, and 2.9 ± 0.19, respectively (all p < 0.05). ROC (receiver-operating characteristic curve) showed that the AUC (area under the curve) of exosomal miR-590-5p was 0.810 with 63.7% sensitivity and 86% specificity. The expression of exosomal miR-590-5p in serum was related to clinical stage (p = 0.008), infiltration depth, and the expression level of ki-67 (p < 0.001). In addition, Kaplan-Meier analysis showed that the decrease of explicit level of exosomal miR-590-5p was related to the decrease of overall survival rate (p < 0.001). Cox regression analysis showed that miR-590-5p can be used as an independent predictor. Furthermore, upregulation of miR-590-5p inhibited cell migration and invasion in MGC-803 cells and HGC-27 cells. The serum expression level of exosomal miR-590-5p may be a biomarker, which is potentially useful and noninvasive for early detection and prediction of GC. In addition, miR-590-5p can play a role in eliminating carcinogens by actively regulating the malignant potential of gastric cancer.
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Affiliation(s)
- Guo-Dian Zheng
- Department of Hepatobiliary Surgery, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, China
| | - Zhi-Yuan Xu
- Department of Gastric Surgery, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Cancer Hospital of University of Chinese Academy of Sciences, Hangzhou, China
| | - Can Hu
- The 2nd Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Hang Lv
- Laboratory of Digestive Pathophysiology of Zhejiang Province, Institute of Cancer Research, First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Hua-Xia Xie
- Department of General Surgery, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, China
| | - Ting Huang
- Department of Gastroenterological Surgery, Zhejiang Integrated Traditional and Western Medicine Hospital, Hangzhou, China
| | - Yan-Qiang Zhang
- Department of Gastric Surgery, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Cancer Hospital of University of Chinese Academy of Sciences, Hangzhou, China
| | - Gui-Ping Chen
- Department of Hepatobiliary Surgery, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, China
| | - Yu-Fei Fu
- Laboratory of Digestive Pathophysiology of Zhejiang Province, Institute of Cancer Research, First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiang-Dong Cheng
- Department of Gastric Surgery, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Cancer Hospital of University of Chinese Academy of Sciences, Hangzhou, China
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Zou X, Xia T, Li M, Wang T, Liu P, Zhou X, Huang Z, Zhu W. MicroRNA profiling in serum: Potential signatures for breast cancer diagnosis. Cancer Biomark 2021; 30:41-53. [PMID: 32894240 DOI: 10.3233/cbm-201547] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Circulating microRNAs (miRNAs) prove to be potential non-invasive indicators of cancers. The purpose of this study is to profile serum miRNA expression in breast cancer (BC) patients to find potential biomarkers for BC diagnosis. METHODS The miRNA expression patterns of serum samples from 216 BC patients and 214 normal control subjects were compared. A four-phase validation was conducted for biomarker identification. In the screening phase, the Exiqon miRNA qPCR panel was employed to select candidates, which were further analyzed by quantitative reverse transcriptase PCR in the following training, testing, and external validation phases. RESULTS A 12-miRNA (let-7b-5p, miR-106a-5p, miR-19a-3p, miR-19b-3p, miR-20a-5p, miR-223-3p, miR-25-3p, miR-425-5p, miR-451a, miR-92a-3p, miR-93-5p, and miR-16-5p) panel in serum was constructed. The diagnostic performance of the panel was assessed using ROC curve analyses. The area under the curves (AUCs) were 0.952, 0.956, 0.941 and 0.950 for the four separate phases, respectively. Additionally, the expression features of the 12 miRNAs were further explored in 32 pairs of BC tumor and para-tumor tissues, and 32 pairs of serum exosomes samples from patients and healthy subjects. miR-16-5p, miR-106a-5p, miR-25-3p, miR-425-5p, and miR-93-5p were highly overexpressed and let-7b-5p was conversely downregulated in tumor tissues. Excluding miR-20a-5p and miR-223-3p, the 10 other miRNAs were all significantly upregulated in BC serum-derived exosomes. CONCLUSION A signature consisting of 12 serum miRNAs was identified and showed potential for use in non-invasive diagnosis of BC.
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Affiliation(s)
- Xuan Zou
- First Clinical College of Nanjing Medical University, Nanjing, Jiangsu, China.,First Clinical College of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Tiansong Xia
- Department of Breast Surgery, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,First Clinical College of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Minghui Li
- Department of Breast Surgery, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,First Clinical College of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Tongshan Wang
- Department of Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Liu
- Department of Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xin Zhou
- Department of Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zebo Huang
- Department of Oncology, Affiliated Hospital of Jiangnan University and the Fourth People's Hospital of Wuxi, Wuxi, Jiangsu, China
| | - Wei Zhu
- Department of Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oncology and Radiotherapy, Nanjing Pukou Central Hospital, Nanjing, Jiangsu, China
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Wu JC, Liu ZH, Ding X, Ke RS. miR-3178 as a prognostic indicator and tumor suppressor of gastric cancer. Ir J Med Sci 2021; 191:139-145. [PMID: 33547612 DOI: 10.1007/s11845-021-02527-0] [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: 12/02/2020] [Accepted: 01/24/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Gastric cancer is a common malignant tumor with an increasing death rate. MicroRNA can serve as a promising biomarker for the progression and prognosis of various cancers. AIMS The clinical significance and biological function of miR-3178 in gastric cancer was assessed in this study. METHODS A total of 117 paired tissues were collected from gastric cancer patients. Quantitative real-time polymerase chain reaction was used to detect the expression of miR-3178 in gastric cancer tissues and cells. The association between miR-3178 expression and the clinicopathological features of patients were analyzed by χ2 test. Kaplan-Meier analysis and Cox regression were employed to investigate the prognostic value of miR-3178. Finally, the effect of miR-3178 on the cellular process of gastric cancer was investigated by CCK-8 and transwell assay. RESULTS miR-3178 was downregulated in gastric cancer tissues and cells, which showed a significant association with the TNM stage and lymph node metastasis of patients and a poor prognosis. MiR-3178 and TNM stage were considered as two independent prognostic factors for gastric cancer. Furthermore, the downregulation of miR-3178 promoted cell proliferation, migration, and invasion of gastric cancer by regulating Notch1. CONCLUSION miR-3178 may be involved in the progression of gastric cancer, which provides new insights into the treatment of gastric cancer.
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Affiliation(s)
- Jin-Cheng Wu
- Department of General Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, 361001, Fujian, China
| | - Zhao-Hui Liu
- Department of General Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, 361001, Fujian, China
| | - Xiaomei Ding
- Department of Laboratory, Weifang People's Hospital, Weifang, 261000, Shandong, China
| | - Rui-Sheng Ke
- Department of General Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, 361001, Fujian, China.
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Chen Z, Li XY, Guo P, Wang DL. MYBPC2 and MYL1 as Significant Gene Markers for Rhabdomyosarcoma. Technol Cancer Res Treat 2021; 20:1533033820979669. [PMID: 33499774 PMCID: PMC7844451 DOI: 10.1177/1533033820979669] [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] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Rhabdomyosarcoma is the most common soft tissue tumor in children. Rhabdomyosarcoma commonly results in pain and bleeding caused by tumor compression and is prone to early metastasis and recurrence, which can seriously affect the therapeutic outcomes and long-term prognosis. Up to 37.7% of rhabdomyosarcomas may metastasize. Therefore, the molecular mechanisms underlying rhabdomyosarcoma must be explored to identify an effective target for its early diagnosis and specific treatment. METHODS A dataset of 18 rhabdomyosarcoma tissue samples and 6 healthy skeletal muscle samples was downloaded. Differentially expressed genes between rhabdomyosarcoma and healthy tissue samples were identified by GEO2R. Kyoto Encyclopedia of Genes and Genomes and gene ontology pathway enrichment analyses were performed. A protein-protein interaction network was constructed, and hub genes were identified. Expression and survival analyses of hub genes were performed. Additionally, 30 patients with rhabdomyosarcoma were recruited, and overall survival information and samples were collected. Reverse transcription quantitative real-time polymerase chain reaction assays were performed to verify the expression of MYBPC2 and MYL1 in rhabdomyosarcoma tumor tissues. The Kaplan-Meier method was used to explore overall survival based on our clinical data. RESULTS In total, 164 genes were up-regulated and 394 were down-regulated in rhabdomyosarcoma tumor tissues. Gene ontology analysis revealed that variations were predominantly enriched in the cell cycle, muscle contraction, muscle system processes, cytoskeleton, nucleotide binding, and cytoskeletal protein binding. The protein-protein interaction network revealed 3274 edges, and 441 nodes were constructed. Ten hub genes were identified; of these, MYBPC2 and MYL1 were significantly up-regulated in rhabdomyosarcoma. Compared with the healthy group, patients with rhabdomyosarcoma exhibiting high expression of MYBPC2 and MYL1 exhibited significantly worse overall survival. CONCLUSIONS We found differentially expressed genes between rhabdomyosarcoma and healthy tissue samples. MYBPC2 and MYL1 may be involved in the pathogenesis of rhabdomyosarcoma and therefore deserve further exploration.
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Affiliation(s)
- Zihang Chen
- General Surgery Department, Hangzhou Fuyang District First People's Hospital, Hangzhou, People's Republic of China
| | - Xing-Yu Li
- School of Basic Medicine, Peking University, Beijing, People's Republic of China
| | - Peng Guo
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Dong-Lai Wang
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
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miR-16-5p and miR-19b-3p prevent amyloid β-induced injury by targeting BACE1 in SH-SY5Y cells. Neuroreport 2021; 31:205-212. [PMID: 31876684 DOI: 10.1097/wnr.0000000000001379] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE Alzheimer's disease is the most common neurodegenerative disease, characterized by accumulation of amyloid β peptides. MicroRNAs have been identified as significant regulators and therapeutic targets of Alzheimer's disease. However, the roles of miR-16-5p and miR-19b-3p and their mechanisms in Alzheimer's disease progression remain largely unknown. MATERIALS AND METHODS Amyloid β-treated SH-SY5Y cells were used to study Alzheimer's disease progression in vitro. Transfection was conducted into SH-SY5Y cells using Lipofectamine 2000. The expression levels of miR-16-5p, miR-19b-3p and beta-site amyloid precursor protein cleaving enzyme 1 (BACE1) were measured by quantitative real-time PCR or western blot, respectively. Cell viability and apoptosis were detected in amyloid β-treated SH-SY5Y cells by MTT or flow cytometry, respectively. The interaction between BACE1 and miR-16-5p or miR-19b-3p was explored by luciferase reporter and RNA immunoprecipitation analyses. RESULTS The expression levels of miR-16-5p and miR-19b-3p were reduced but BACE1 protein expression was enhanced in SH-SY5Y cells after treatment of amyloid β. Overexpression of miR-16-5p or miR-19b-3p attenuated amyloid β-induced viability inhibition and apoptosis promotion in SH-SY5Y cells, while their knockdown exacerbated amyloid β-induced injury. BACE1 was confirmed as a target of miR-16-5p and miR-19b-3p and its overexpression aggravated amyloid β-induced loss of viability and production of apoptosis, while its depletion caused an opposite effect. Moreover, upregulation of BACE1 alleviated the regulatory effects of miR-16-5p and miR-19b-3p on amyloid β-induced injury. CONCLUSION MiR-16-5p and miR-19b-3p relieved amyloid β-induced injury by targeting BACE1 in SH-SY5Y cells, indicating miR-16-5p and miR-19b-3p as protective agents for treatment of Alzheimer's disease.
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Paciorek P, Żuberek M, Grzelak A. Rola miRNA w rozwoju wybranych nowotworów – potencjalne zastosowanie w diagnostyce*. POSTEP HIG MED DOSW 2021. [DOI: 10.5604/01.3001.0014.6578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Streszczenie
MikroRNA (miRNA) są małymi cząsteczkami kwasu rybonukleinowego, które mimo że nie podlegają procesowi translacji, pełnią ważną funkcję regulacyjną w komórkach eukariotycznych. Ich fizjologiczną funkcją jest utrzymywanie homeostazy komórek. Zaburzona ekspresja miRNA może spowodować rozwój wielu chorób, w tym chorób nowotworowych. Działanie miRNA polega na hamowaniu tworzenia się białek, w tym białek o właściwościach onkogennych i antyonkogennych. Mutacje w miejscach kodowania miRNA mogą prowadzić do nadmiernego lub zmniejszonego wytwarzania wspomnianych białek. Odkrycie miRNA i poznanie ich roli w komórce otworzyło nowe możliwości dla diagnostyki chorób nowotworowych. Zmiany poziomu odpowiednich miRNA, w krwiobiegu lub innych płynach ustrojowych, mogą być markerem diagnostycznym chorób. Diagnostyka onkologiczna mogłaby przebiegać na podstawie badań profilu miRNA pacjenta i porównania go z opracowanymi wcześniej profilami zmian miRNA powiązanymi z występowaniem danego rodzaju choroby nowotworowej. Informacja o zmianach profilu miRNA podstawowych w regulacji ekspresji genów związanych z procesami nowotworzenia, mogłaby się przyczynić do opracowania terapii eksperymentalnych opartych na przywróceniu pierwotnego poziomu miRNA w komórkach, a tym samym, na przywróceniu prawidłowej regulacji ekspresji genów. Coraz nowsze metody wyciszania i włączania ekspresji miRNA mogą w przyszłości zaowocować skutecznymi rozwiązaniami terapeutycznymi.
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Affiliation(s)
- Patrycja Paciorek
- Katedra Biofizyki Molekularnej, Wydział Biologii i Ochrony Środowiska , Uniwersytet Łódzki
| | - Mariusz Żuberek
- Katedra Biofizyki Molekularnej, Wydział Biologii i Ochrony Środowiska , Uniwersytet Łódzki
| | - Agnieszka Grzelak
- Katedra Biofizyki Molekularnej, Wydział Biologii i Ochrony Środowiska , Uniwersytet Łódzki
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Zhang H, Zhang J, Dong L, Ma R. LncRNA ATXN8OS enhances tamoxifen resistance in breast cancer. Open Med (Wars) 2020; 16:68-80. [PMID: 33385064 PMCID: PMC7754175 DOI: 10.1515/med-2021-0012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/27/2020] [Accepted: 08/07/2020] [Indexed: 12/24/2022] Open
Abstract
Background Tamoxifen (TAMR) resistance remains a massive obstacle for breast cancer (BC) management. The precise parts of long non-coding RNA ataxin 8 opposite strand (ATXN8OS) in BC TAMR resistance have not been defined. Methods The levels of ATXN8OS, vasodilator-stimulated phosphoprotein (VASP), and miR-16-5p were assessed by quantitative real-time polymerase chain reaction or western blot. Colony formation and cell viability were analyzed by MTT and colony formation assays, respectively. Targeted interactions among miR-16-5p, ATXN8OS, and VASP were confirmed by dual-luciferase reporter assay. Animal studies were performed to observe the role of ATXN8OS in TAMR sensitivity in vivo. Results ATXN8OS expression was increased in BC tissues and cells. ATXN8OS depletion promoted BC cell sensitivity to TAMR. ATXN8OS sequestered miR-16-5p by directly binding to miR-16-5p. The promotional effect of ATXN8OS knockdown on BC cell TAMR sensitivity was mediated by miR-16-5p. VASP was a direct target of miR-16-5p, and miR-16-5p overexpression enhanced TAMR sensitivity by VASP. Moreover, ATXN8OS regulated VASP expression by acting as a miR-16-5p sponge. In addition, ATXN8OS knockdown augmented BC TAMR sensitivity in vivo. Conclusion ATXN8OS knockdown enhanced BC TAMR sensitivity partially through the miR-16-5p/VASP axis, highlighting a potential therapeutic target for improving the clinical benefits of TAMR treatment in BC patients.
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Affiliation(s)
- Hongkai Zhang
- Department of Cell Medicine, International Healthy Cells Rehabilitation Association, Shanghai Liangliang Biotechnology Co., Ltd, No. 876 Taogan Road, Sheshan District 201602, Shanghai, China
| | - Jianni Zhang
- Department of Cell Medicine, International Healthy Cells Rehabilitation Association, Shanghai Liangliang Biotechnology Co., Ltd, No. 876 Taogan Road, Sheshan District 201602, Shanghai, China
| | - Lining Dong
- Department of Cell Medicine, International Healthy Cells Rehabilitation Association, Shanghai Liangliang Biotechnology Co., Ltd, No. 876 Taogan Road, Sheshan District 201602, Shanghai, China
| | - Rong Ma
- Department of Cell Medicine, International Healthy Cells Rehabilitation Association, Shanghai Liangliang Biotechnology Co., Ltd, No. 876 Taogan Road, Sheshan District 201602, Shanghai, China
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Rommereim LM, Akhade AS, Dutta B, Hutcheon C, Lounsbury NW, Rostomily CC, Savan R, Fraser IDC, Germain RN, Subramanian N. A small sustained increase in NOD1 abundance promotes ligand-independent inflammatory and oncogene transcriptional responses. Sci Signal 2020; 13:13/661/eaba3244. [PMID: 33293463 DOI: 10.1126/scisignal.aba3244] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Small, genetically determined differences in transcription [expression quantitative trait loci (eQTLs)] are implicated in complex diseases through unknown molecular mechanisms. Here, we showed that a small, persistent increase in the abundance of the innate pathogen sensor NOD1 precipitated large changes in the transcriptional state of monocytes. A ~1.2- to 1.3-fold increase in NOD1 protein abundance resulting from loss of regulation by the microRNA cluster miR-15b/16 lowered the threshold for ligand-induced activation of the transcription factor NF-κB and the MAPK p38. An additional sustained increase in NOD1 abundance to 1.5-fold over basal amounts bypassed this low ligand concentration requirement, resulting in robust ligand-independent induction of proinflammatory genes and oncogenes. These findings reveal that tight regulation of NOD1 abundance prevents this sensor from exceeding a physiological switching checkpoint that promotes persistent inflammation and oncogene expression. Furthermore, our data provide insight into how a quantitatively small change in protein abundance can produce marked changes in cell state that can serve as the initiator of disease.
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Affiliation(s)
| | | | - Bhaskar Dutta
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-0421, USA
| | | | - Nicolas W Lounsbury
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-0421, USA
| | | | - Ram Savan
- Department of Immunology, University of Washington, Seattle, WA 98109, USA
| | - Iain D C Fraser
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-0421, USA
| | - Ronald N Germain
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-0421, USA
| | - Naeha Subramanian
- Institute for Systems Biology, Seattle, WA 98109, USA. .,Department of Immunology, University of Washington, Seattle, WA 98109, USA.,Department of Global Health, University of Washington, Seattle, WA 98109, USA
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Chen B, Ji F, Wen X, Jin Z. Circular RNA circ_ASAP2 promotes cell viability, migration, and invasion of gastric cancer cells by regulating the miR-770-5p/CDK6 axis. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2020; 13:2806-2819. [PMID: 33284890 PMCID: PMC7716128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/20/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Gastric cancer (GC) is one of the most common causes of cancer death. GSE83521 microarray analysis suggested that circular RNA circ_ASAP2 (hsa_circ_0008768) expression was increased in GC tissues. However, the molecular mechanism of circ_ASAP2 remains unknown. METHODS Expression levels of circ_ASAP2, microRNA-770-5p (miR-770-5p), and the cyclin-dependent kinase 6 (CDK6) were detected by using real time PCR (RT-PCR). 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) and transwell assays were applied to explore cell viability, migration, and invasion, respectively. The interactions between miR-770-5p and circ_ASAP2 or CDK6 was predicted by using Starbase software, and then confirmed by luciferase reporter assay. Xenograft tumor model was also used to estimate the effect of circ_ASAP2 on tumor growth in vivo. RESULTS The expression levels of circ_ASAP2 and CDK6 were increased, and miR-770-5p level was decreased in GC tissues and cells. Furthermore, circ_ASAP2 knockdown inhibited cell viability, migration, and invasion of GC cells. Mechanically, circ_ASAP2 functioned as a sponge of miR-770-5p to regulate CDK6 expression, thereby boosting the progression of GC cells. Circ_ASAP2 silencing hindered the tumor growth of GC in vivo. CONCLUSION Circ_ASAP2 knockdown can repress the development of GC cells partly through regulating the miR-770-5p/CDK6 axis, suggesting an underlying circRNA-targeted therapy for GC treatment.
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Affiliation(s)
- Bing Chen
- Department of Gastroenterology, The First Affiliated Hospital of Xinjiang Medical UniversityUrumchi 830054, Xinjiang Uygur Autonomous Region, China
| | - Fei Ji
- Department of Gynecology, The First Affiliated Hospital of Xinjiang Medical UniversityUrumchi 830054, Xinjiang Uygur Autonomous Region, China
| | - Xinian Wen
- Department of Gastroenterology, The Fifth Affiliated Hospital of Xinjiang Medical UniversityUrumchi 830054, Xinjiang Uygur Autonomous Region, China
| | - Zhong Jin
- Department of Cadre/VIP Surgery, The First Affiliated Hospital of Xinjiang Medical UniversityUrumchi 830054, Xinjiang Uygur Autonomous Region, China
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Cheng HR, Song JY, Zhang YN, Chen YB, Lin GQ, Huang GQ, He JC, Wang Z. High Monocyte-To-Lymphocyte Ratio Is Associated With Stroke-Associated Pneumonia. Front Neurol 2020; 11:575809. [PMID: 33123080 PMCID: PMC7573136 DOI: 10.3389/fneur.2020.575809] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/25/2020] [Indexed: 12/24/2022] Open
Abstract
Purpose: Stroke-associated pneumonia (SAP), a common complication in acute ischemic stroke (AIS) patients, is associated with poor prognosis after AIS. Inflammation plays an important role in the development of SAP. In this study, we aimed to explore the association between the monocyte-to-lymphocyte ratio (MLR) and SAP in AIS patients. Methods: We continuously enrolled 972 AIS patients. SAP was diagnosed by two trained neurologists and confirmed by radiography, meeting the modified Centers for Disease Control and Prevention criteria. MLR values were measured for all participants, and all patients were evenly classified into three tertiles according to the MLR levels. We used the values that Youden's index max points corresponded to represent the optimal cutoffs, which represented the balance in sensitivity and specificity. Results: 104 (10.7%) patients were diagnosed with SAP. SAP patients showed a significant increased (P < 0.001) MLR when compared with non-SAP. The optimal cutoff points of MLR were (T1) <0.2513, (T2) 0.2513–0.3843, and (T3) > 0.3843. The incidence of SAP was significantly higher in the third MLR tertile than the first and second MLR tertiles (21.7 vs. 4 vs. 6.5%, respectively, P < 0.001). After adjusting for confounding and risk factors, multivariate regression analysis showed that the third MLR tertile was an independent variable predicting the occurrence of SAP (odds ratio = 3.503, 95%CI = 1.066–11.515, P = 0.039). Conclusions: Our study showed that higher MLR was significantly associated with SAP in AIS patients. MLR is beneficial for clinicians to recognize patients with a high risk of SAP at an early stage and is an effective way to improve clinical care of SAP patients. Higher MLR could be a helpful and valid biomarker for predicting SAP in clinical practice.
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Affiliation(s)
- Hao-Ran Cheng
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jia-Ying Song
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Yi-Nuo Zhang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yun-Bin Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Gang-Qiang Lin
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Gui-Qian Huang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jin-Cai He
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Zhen Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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MicroRNA-1297 inhibits proliferation and promotes apoptosis in gastric cancer cells by downregulating CDC6 expression. Anticancer Drugs 2020; 30:803-811. [PMID: 31419217 DOI: 10.1097/cad.0000000000000776] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Gastric cancer (GC), one of the most common malignant tumors and the second most common leading cause of cancer-related death worldwide, is a biologically heterogeneous disease accompanied by various genetic and epigenetic alterations. However, the molecular mechanisms underlying this disease are complex and not completely understood. Increasing studies have shown that aberrant microRNA (miRNA) expression is associated with GC tumorigenesis and growth. MiR-1297 has been confirmed to be a cancer suppressor in diverse tumors in humans. However, to date, the function and mechanism of miR-1297 in GC have not been determined. Here, we found that the expression of miR-1297 was significantly reduced in GC tissues or GC cell lines compared with paracarcinoma normal tissue or normal cell lines. Exogenic overexpression of miR-1297 in GC cell lines can inhibit cell proliferation and colony formation and induce apoptosis, and inhibition of miR-1297 in GC cell lines can promote cell proliferation and colony formation, and reduce apoptosis in vitro. We further confirmed that miR-1297 acted as a tumor suppressor through targeting cell division control protein 6 (CDC6) in GC. Moreover, the inverse relationship between miR-1297 and CDC6 was verified in GC cell lines. Our results indicated that miR-1297 is a potent tumor suppressor in GC, and its antiproliferative and gene-regulatory effects are, in part, mediated through its downstream target gene, CDC6. These findings implied that miR-1297 might be used as a novel therapeutic target of GC.
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HOTAIR contributes to the carcinogenesis of gastric cancer via modulating cellular and exosomal miRNAs level. Cell Death Dis 2020; 11:780. [PMID: 32951010 PMCID: PMC7502082 DOI: 10.1038/s41419-020-02946-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 12/28/2022]
Abstract
Gastric cancer (GC) is one of the most leading malignancies. Long noncoding RNA is related to GC. In this study, 11 miRNAs in the exosomes and six lncRNAs in the tissues was examined by qRT-PCR. Correlation analysis was used to analyze the relationship between miRNAs in exosome and lncRNAs in the tissues. Four miRNAs level in GC tissues were examined by qRT-PCR. MTT was used to determine cell viability. Flow cytometry was used to quantify the apoptotic cells. Transwell assay was used to examine the migration and invasion capacity. Dual-luciferase assay was used to examine the interaction between HOTAIR and miR-30a or -b. Capillary formation was used to determine the capillary formation capacity. Weak negative correlations were found between HOTAIR and miR-30a or -b in GC tissue samples. Interestingly, strong negative correlations were identified between the HOTAIR level in GC tissue samples and the miR-30a or -b levels in plasma exosomes. HOTAIR knockdown GC cells exhibited decreased migration, invasion, proliferation, and upregulated apoptosis, which released more miR-30a and -b into the exosomes. KRAS was upregulated when co-cultured with exosomes from HOTAIR overexpressed cells, and promoted GC cells proliferation, migration, and invasion. Meanwhile, HUVEC cells expressed increased VEGF-A and formatted more capillaries. Subsequently, we identified a 10mer target site of miR-30a or -b in HOTAIR sequence, and the overexpression of HOTAIR induced the degradation of miR-30a or -b, indicating a ceRNA role of HOTAIR. We report the negative correlation between the plasma miRNAs level and GC tissue HOTAIR expression for the first time and unveiled the ceRNA role of HOTAIR in GC. HOTAIR functions as an onco-lncRNA regulating the level of miR-30a and -b in both GC cells and exosomes. These findings may give insight into understanding the mechanism of GC pathogenesis and provide new biomarkers for clinical diagnosis.
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Gu Z, Li Z, Xu R, Zhu X, Hu R, Xue Y, Xu W. miR-16-5p Suppresses Progression and Invasion of Osteosarcoma via Targeting at Smad3. Front Pharmacol 2020; 11:1324. [PMID: 32982740 PMCID: PMC7479212 DOI: 10.3389/fphar.2020.01324] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 08/10/2020] [Indexed: 12/17/2022] Open
Abstract
Background MicroRNAs are known to regulate carcinogenesis of osteosarcoma. Although, miR-16-5p is known to exert inhibitory effects on several forms of cancers, its effects on the growth and invasion of osteosarcoma have not been studied. Methods We collected human osteosarcoma specimens and adjacent tissues to detect the expression of miR-16-5p by real-time polymerase chain reaction, immunoblotting, and immunohistochemistry. The proliferation, migration, and invasion of MG63 and HOS cells following miR-16-5p overexpression and inhibition were detected with cell counting kit-8, wound healing assay, and Transwell assay, respectively. An expression vector carrying a mutated 3'-untranslated region of mothers against decapentaplegic homolog 3 (Smad3) was constructed. Results The results showed that miR-16-5p expression was downregulated in osteosarcoma tissues and cells as compared with adjacent counterparts, while Smad3 was overexpressed in osteosarcoma cells. The overexpression of miR-16-5p resulted in the inhibition of the proliferation, migration, and invasion of osteosarcoma cells and enhanced the therapeutic effect of cisplatin. These effects were attenuated with miR-16-5p expression inhibition. In cells transfected with miR-16-5p mimic, Smad3 expression decreased, while this effect was absent in the cells carrying mutated Smad3. Conclusions Therefore, miR-16-5p inhibits the growth and invasion of osteosarcoma by targeting Smad3.
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Affiliation(s)
- Zhijian Gu
- Department of Orthopedics, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhikun Li
- Department of Orthopedics, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ruijun Xu
- Department of Orthopedics, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaodong Zhu
- Department of Orthopedics, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ruixi Hu
- Department of Orthopedics, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yonghua Xue
- Department of Neurosurgery, Putuo District Central Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wei Xu
- Department of Orthopedics, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Xie S, Chang Y, Jin H, Yang F, Xu Y, Yan X, Lin A, Shu Q, Zhou T. Non-coding RNAs in gastric cancer. Cancer Lett 2020; 493:55-70. [PMID: 32712234 DOI: 10.1016/j.canlet.2020.06.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/19/2020] [Accepted: 06/28/2020] [Indexed: 12/11/2022]
Abstract
Non-coding RNAs (ncRNAs) are functional RNA molecules that play crucial regulatory roles in many fundamental biological processes. The dysregulation of ncRNAs is significantly associated with the progression of human cancers, including gastric cancer. In this review, we have summarized the oncogenic or tumor-suppressive roles and the regulatory mechanisms of lncRNAs, miRNAs, circRNAs and piRNAs, and have discussed their potential as biomarkers or therapeutic targets in gastric cancer.
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Affiliation(s)
- Shanshan Xie
- The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China; Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Yongxia Chang
- Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China; Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Hao Jin
- Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China; Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Feng Yang
- Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China; Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Yanjun Xu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Cancer Hospital of University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Xiaoyi Yan
- Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Aifu Lin
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Qiang Shu
- The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China.
| | - Tianhua Zhou
- Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China; Cancer Center, Zhejiang University, Hangzhou, 310058, China; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada.
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Computational analysis and verification of molecular genetic targets for glioblastoma. Biosci Rep 2020; 40:225082. [PMID: 32469390 PMCID: PMC7298167 DOI: 10.1042/bsr20201401] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/23/2020] [Accepted: 05/26/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Glioblastoma (GBM) is the most common malignant brain tumor with a poor prognosis. The initial treatment for high-grade gliomas is surgical excision. However, even with concomitant use of radiation or chemotherapy, patients are still prone to recurrence. The specific pathogenesis of GBM is still controversial. METHODS Differentially expressed genes (DEGs) and differentially expressed miRNAs (DEMs) between GBM and normal brain tissues were screened. P-value was obtained by Bayes test based on the limma package. Statistical significance was set as P-value <0.05 and |Fold change (FC)| > 0.2 (GSE90886); P-value <0.05 and |FC| > 1 (GSE116520, GSE103228). Gene Ontology (GO) analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG), protein-protein interaction (PPI) network were performed. Hub genes were selected from miRNA target genes and DEGs. GBM and normal brain tissues were extracted to verify the expression. RESULTS A total of 100 DEGs were overlapped in both datasets. Analysis of pathways and process enrichment tests indicated that ion transport, positive regulation of macromolecule metabolic process, cell cycle, axon guidance were enriched in the GBM. Sixteen hub genes were identified. Hub genes ADARB1 and neuropilin 1 (NRP1) were significantly associated with overall survival (OS) and disease-free survival (DFS) (P<0.05). Eukaryotic translation termination factor 1 (ETF1) was associated with DFS (P<0.05). CONCLUSIONS DEGs and DEMs were found between GBM tumor tissues and normal brain tissues. These biomarkers may be used as targets for early diagnosis and specific treatment.
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Wei Y, Guo S, Tang J, Wen J, Wang H, Hu X, Gu Q. MicroRNA-19b-3p suppresses gastric cancer development by negatively regulating neuropilin-1. Cancer Cell Int 2020; 20:193. [PMID: 32508529 PMCID: PMC7249695 DOI: 10.1186/s12935-020-01257-0] [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: 03/11/2020] [Accepted: 05/12/2020] [Indexed: 02/06/2023] Open
Abstract
Background Gastric cancer (GC) remains one of the most common digestive malignancies worldwide and ranked third causes of cancer-related death. Mounting evidence has revealed that miRNAs exert critical regulatory roles in GC development. Methods Immunohistochemistry (IHC) and western blot assay were performed to determine the protein expression levels of neuropilin-1 (NRP1) and mRNA levels were confirmed by quantitative RT-PCR (qRT-PCR) in GC tissues. Kaplan–Meier analysis was performed to evaluate the prognostic value of NRP1 in GC. Knockdown of NRP1 was conducted to analyse its function in vitro and vivo. Luciferase reporter assay, western blot and qRT-qPCR were employed to identify the miRNAs which directly targeted NRP1. Furthermore, Bioinformatics analysis and experimental verification were used to explore the potential molecular mechanism and signalling pathway. Results In the current study, we revealed that NRP1 was highly expressed in GC tumor tissues and was associated with poor prognosis in GC patients. NRP1 knockdown inhibited GC cell growth, migration and invasion in vitro, while suppressed GC xenograft tumor development in vivo. Bioinformatics analysis predicted that miR-19b-3p down-regulated NRP1 expression by targeting its 3′-UTR. Functional assay demonstrated that miR-19b-3p inhibited GC cell growth, migration and invasion via negatively regulating NRP1. Overexpression NRP1 partially reversed the regulatory effect of miR-19b-3p. Moreover, we showed that miR-19b-3p/NRP1 axis regulated the epithelial-to-mesenchymal transition and focal adhesion in GC, which might contribute the GC development and progression. Conclusions Taken together, our findings suggest a regulatory network of miR-19b-3p/NRP1 in GC development. The miR-19b-3p/NRP1 axis might be further explored as a potential diagnostic and therapeutic target in GC.
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Affiliation(s)
- Yingfeng Wei
- Department of Gastroenterology, Ganzhou People's Hospital, Ganzhou, Jiangxi 341000 China
| | - Sheng Guo
- Department of Liver Diseases, The Fifth People's Hospital of Ganzhou, Ganzhou, Jiangxi 341000 China
| | - Jianhua Tang
- Department of Gastroenterology, Ganzhou People's Hospital, Ganzhou, Jiangxi 341000 China
| | - Jianjun Wen
- Department of Gastroenterology, Ganzhou People's Hospital, Ganzhou, Jiangxi 341000 China
| | - Huifen Wang
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 China
| | - Xiaobo Hu
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 China
| | - Qiuping Gu
- Department of Gastroenterology, Ganzhou People's Hospital, Ganzhou, Jiangxi 341000 China
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War AR, Dang K, Jiang S, Xiao Z, Miao Z, Yang T, Li Y, Qian A. Role of cancer stem cells in the development of giant cell tumor of bone. Cancer Cell Int 2020; 20:135. [PMID: 32351329 PMCID: PMC7183664 DOI: 10.1186/s12935-020-01218-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 04/17/2020] [Indexed: 02/06/2023] Open
Abstract
The primary bone tumor is usually observed in adolescence age group which has been shown to be part of nearly 20% of the sarcomas known today. Giant cell tumor of bone (GCTB) can be benign as well as malignant tumor which exhibits localized dynamism and is usually associated with the end point of a long bone. Giant cell tumor (GCT) involves mononuclear stromal cells which proliferate at a high rate, multinucleated giant cells and stromal cells are equally present in this type of tumor. Cancer stem cells (CSCs) have been confirmed to play a potential role in the development of GCT. Cancer stem cell-based microRNAs have been shown to contribute to a greater extent in giant cell tumor of bone. CSCs and microRNAs present in the tumors specifically are a great concern today which need in-depth knowledge as well as advanced techniques to treat the bone cancer effectively. In this review, we attempted to summarize the role played by cancer stem cells involving certain important molecules/factors such as; Mesenchymal Stem Cells (MSCs), miRNAs and signaling mechanism such as; mTOR/PI3K-AKT, towards the formation of giant cell tumor of bone, in order to get an insight regarding various effective strategies and research advancements to obtain adequate knowledge related to CSCs which may help to focus on highly effective treatment procedures for bone tumors.
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Affiliation(s)
- Abdul Rouf War
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
| | - Kai Dang
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
| | - Shanfen Jiang
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
| | - Zhongwei Xiao
- Department of Neurology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399 People’s Republic of China
| | - Zhiping Miao
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
| | - Tuanmin Yang
- Honghui Hospital, Xi’an, Jiaotong University College of Medicine, Xi’an, Shaanxi China
| | - Yu Li
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
| | - Airong Qian
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
- NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi’an, 710072 Shaanxi China
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Xie F, Xie G, Sun Q. Long Noncoding RNA DLX6-AS1 Promotes the Progression in Cervical Cancer by Targeting miR-16-5p/ARPP19 Axis. Cancer Biother Radiopharm 2020; 35:129-136. [PMID: 32077747 DOI: 10.1089/cbr.2019.2960] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background: Cervical cancer (CC) is regarded as one of the most common gynecological malignancies. LncRNA DLX6-AS1 has been proven vital in various cancers, whereas its exact function is still largely unestablished in CC. Materials and Methods: The expression pattern of DLX6-AS1 and miR-16-5p in CC cells was determined by real-time quantitative polymerase chain reaction (RT-qPCR). ARPP19 expression was assessed by RT-qPCR and Western blot assays in CC cells. The precise function of DLX6-AS1 in CC was detected by Cell-Counting Kit-8 (CCK-8), 5-ethynyl-2'-deoxyuridine (EdU), caspase-3 activity, transwell, and Western blot experiments. RNA immunoprecipitation (RIP) and luciferase reporter assays were employed to certify the combination between miR-16-5p and DLX6-AS1 (or ARPP19). Nuclear cytoplasmic segmentation determined the localization of DLX6-AS1 in CC cells. A xenograft mouse model assay studied the influences of DLX6-AS1 silencing on CC progression in vivo. Results: Elevated DLX6-AS1 expression was disclosed in CC cells. DLX6-AS1 silence attenuated proliferation, migration, and epithelial-mesenchymal transition program as well as enhanced CC cell apoptosis. DLX6-AS1 was uncovered to sponge and negatively modulate miR-16-5p in CC. Besides, ARPP19 was uncovered as a downstream target gene of miR-16-5p in CC. Rescue experiments indicated that DLX6-AS1 enhanced the cellular process of CC cells through upregulating ARPP19. Moreover, in vivo assay confirmed that DLX6-AS1 promoted CC growth. Conclusions: DLX6-AS1 accelerates the progression of CC through sponging miR-16-5p and upregulates ARPP19, which offers a novel insight into prognosis and remedy of CC.
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Affiliation(s)
- Fangfang Xie
- Obstetrics and Gynecology Department, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou City, China
| | - Guifang Xie
- Functional Department, Huating Second People's Hospital of Gansu Province, Pingliang City, China
| | - Qian Sun
- Obstetrics and Gynecology Department, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou City, China
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Pagacz K, Kucharski P, Smyczynska U, Grabia S, Chowdhury D, Fendler W. A systemic approach to screening high-throughput RT-qPCR data for a suitable set of reference circulating miRNAs. BMC Genomics 2020; 21:111. [PMID: 32005151 PMCID: PMC6995162 DOI: 10.1186/s12864-020-6530-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 01/22/2020] [Indexed: 12/12/2022] Open
Abstract
Background The consensus on how to choose a reference gene for serum or plasma miRNA expression qPCR studies has not been reached and none of the potential candidates have yet been convincingly validated. We proposed a new in silico approach of finding a suitable reference for human, circulating miRNAs and identified a new set of endogenous reference miRNA based on miRNA profiling experiments from Gene Expression Omnibus. We used 3 known normalization algorithms (NormFinder, BestKeeper, GeNorm) to calculate a new normalization score. We searched for a universal set of endogenous miRNAs and validated our findings on 2 new datasets using our approach. Results We discovered and validated a set of 13 miRNAs (miR-222, miR-92a, miR-27a, miR-17, miR-24, miR-320a, miR-25, miR-126, miR-19b, miR-199a-3p, miR-30b, miR-30c, miR-374a) that can be used to create a reliable reference combination of 3 miRNAs. We showed that on average the mean of 3 miRNAs (p = 0.0002) and 2 miRNAs (p = 0.0031) were a better reference than single miRNA. The arithmetic means of 3 miRNAs: miR-24, miR-222 and miR-27a was shown to be the most stable combination of 3 miRNAs in validation sets. Conclusions No single miRNA was suitable as a universal reference in serum miRNA qPCR profiling, but it was possible to designate a set of miRNAs, which consistently contributed to most stable combinations.
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Affiliation(s)
- Konrad Pagacz
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland.,Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Przemyslaw Kucharski
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland.,Institute of Applied Computer Science, Lodz University of Technology, Lodz, Poland
| | - Urszula Smyczynska
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland
| | - Szymon Grabia
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland.,Institute of Applied Computer Science, Lodz University of Technology, Lodz, Poland
| | | | - Wojciech Fendler
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland. .,Dana-Farber Cancer Institute, Harvard Medical School, Boston, USA.
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Duran-Sanchon S, Vila-Navarro E, Marcuello M, Lozano JJ, Muñoz J, Cubiella J, Diez MS, Bujanda L, Lanas A, Jover R, Hernández V, Quintero E, Herreros-Villanueva M, Martín AC, Pérez-Palacios R, Arroyo R, Castells A, Gironella M. Validation of miR-1228-3p as Housekeeping for MicroRNA Analysis in Liquid Biopsies from Colorectal Cancer Patients. Biomolecules 2019; 10:biom10010016. [PMID: 31877644 PMCID: PMC7022916 DOI: 10.3390/biom10010016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 12/21/2022] Open
Abstract
Background: Circulating microRNA (miRNA) analysis is a growing research field. However, it usually requires an endogenous control or housekeeping (HK) in order to normalize expression of specific miRNAs throughout different samples. Unfortunately, no adequate HK for circulating miRNA analysis is still known in the colorectal cancer (CRC) context whereas several have been suggested. Hence, our aims were to validate the previously suggested miR-1228-3p as HK for CRC studies, to compare its suitability with the widely used miR-16-5p, and to evaluate the influence of hemolysis on both miRNAs. Methods: We analyzed by quantitative reverse-transcription polymerase chain reaction (qRT-PCR) the expression of miR-1228-3p, miR-16-5p and the spike-in cel-miR-39 in a set of 297 plasmas (92 CRC, 101 advanced adenomas -AA-, and 100 controls) and 213 serum samples (59 CRC, 74 AA and 80 controls). We also analyzed both miRNAs depending on the hemolysis degree in 7 plasmas and 31 serums. Results: Levels of miR-1228-3p and miR-16-5p did not show significant differences between groups although miR-16-5p exhibited more variability in plasma and serum samples. Importantly, the combination of cel-miR-39 and miR-1228-3p was the most stable one. Moreover, we observed that miR-16-5p was significantly influenced by hemolysis in contrast with miR-1228-3p that exhibited no correlation with this confounding factor in both biofluids. Conclusion: MiR-1228-3p has been validated as an adequate endogenous control for circulating miRNA analysis in CRC and AA liquid biopsies.
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Affiliation(s)
- Saray Duran-Sanchon
- Gastrointestinal & Pancreatic Oncology Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) /Hospital Clínic of Barcelona/Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Catalonia, Spain
| | - Elena Vila-Navarro
- Gastrointestinal & Pancreatic Oncology Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) /Hospital Clínic of Barcelona/Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Catalonia, Spain
| | - Maria Marcuello
- Gastrointestinal & Pancreatic Oncology Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) /Hospital Clínic of Barcelona/Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Catalonia, Spain
| | - Juan José Lozano
- Bioinformatics Platform, CIBEREHD, 08036 Barcelona, Catalonia, Spain
| | - Jenifer Muñoz
- Gastrointestinal & Pancreatic Oncology Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) /Hospital Clínic of Barcelona/Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Catalonia, Spain
| | - Joaquín Cubiella
- Department of Gastroenterology, Complexo Hospitalario Universitario de Ourense, Instituto de Investigación Sanitaria Galicia Sur, CIBEREHD, 32005 Ourense, Spain
| | - Maria Soledad Diez
- Department of Gastroenterology, Hospital Universitario de Burgos, 09006 Burgos, Spain
| | - Luis Bujanda
- Department of Gastroenterology, Hospital Donostia/Instituto Biodonostia, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD). Universidad del País Vasco UPV/EHU, 20014 San Sebastián, Spain
| | - Angel Lanas
- Department of Gastroenterology, Hospital Clínico Universitario, IIS Aragón, University of Zaragoza, CIBEREHD, 50009 Zaragoza, Spain
| | - Rodrigo Jover
- Gastroenterology Unit, Hospital General Universitario de Alicante, 03010 Alicante, Spain
| | - Vicent Hernández
- Department of Gastroenterology, Complexo Hospitalario Universitario de Vigo, 36214 Vigo, Spain
| | - Enrique Quintero
- Department of Gastroenterology, Hospital Universitario de Canarias, Universidad de La Laguna, Instituto Universitario de Tecnologías Biomédicas (ITB) & Centro de Investigación Biomédica de Canarias (CIBICAN), 38320 San Cristobal de La Laguna, Tenerife, Spain
| | | | - Ana Carmen Martín
- Advanced Marker Discovery (AMADIX), Acera de Recoletos 2, 47004 Valladolid, Spain
| | - Rosa Pérez-Palacios
- Advanced Marker Discovery (AMADIX), Acera de Recoletos 2, 47004 Valladolid, Spain
| | - Rocio Arroyo
- Advanced Marker Discovery (AMADIX), Acera de Recoletos 2, 47004 Valladolid, Spain
| | - Antoni Castells
- Gastrointestinal & Pancreatic Oncology Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) /Hospital Clínic of Barcelona/Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Catalonia, Spain
| | - Meritxell Gironella
- Gastrointestinal & Pancreatic Oncology Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) /Hospital Clínic of Barcelona/Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036 Barcelona, Catalonia, Spain
- Correspondence: ; Tel.: +34-93-227-5400 (ext. 4183)
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