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Yao W, Liu J, Hou Z, Jia X, Yang D, Feng M, Wu S, Wei L. Recombinant human protein TCFL5-activated NRSN2-AS1 promotes esophageal cancer progression via the microRNA-874-5p/RELT regulatory axis. Int J Biol Macromol 2024:133814. [PMID: 38996888 DOI: 10.1016/j.ijbiomac.2024.133814] [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: 05/29/2024] [Revised: 07/03/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
The incidence of esophageal cancer continues to increase worldwide. Current therapeutic approaches have limited efficacy, so in order to search for better markers of the disease, it is necessary to further elucidate its molecular pathogenesis. Regulation of gene expression by long non-coding Rnas plays a role in many diseases, however the role in esophageal cancer is unclear. The aim of this study was to elucidate the role and regulatory mechanism of long non-coding RNA NRSN2-AS1 in the progression of esophageal cancer. By real-time quantitative PCR, immunohistochemistry, RNA interference, western blotting, and double luciferase reporter gene analysis, we found that NRSN2-AS1 was up-regulated in esophageal cancer tissues and cell lines, and was closely related to disease stage and prognosis. Functional studies have shown that the silencing of NRSN2-AS1 inhibits the proliferation of esophageal cancer cells, induces apoptosis, and prevents cell migration and invasion. In mouse models, NRSN2-AS1 also promoted tumor growth. The transcription factor TCFL5 upregulates the transcription of NRSN2-AS1, which acts as a sponge for microRNA(miR)-874-5p, thereby upregulating the expression of the oncogene RELT. Activation of the NRSN2-AS1/miR-874-5p/RELT regulatory axis was validated in vivo.
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Affiliation(s)
- Wenjian Yao
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou 450003, China
| | - Jian Liu
- Department of Thoracic Surgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou 450003, Henan, China
| | - Zhaoyao Hou
- Department of Thoracic Surgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou 450003, Henan, China
| | - Xiangbo Jia
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou 450003, China
| | - Dong Yang
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou 450003, China
| | - Mingyu Feng
- Department of Education, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Sen Wu
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou 450003, China.
| | - Li Wei
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou 450003, China.
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Liu L, Zhang P, Liu Z, Sun T, Qiao H. Joint global and local interpretation method for CIN status classification in breast cancer. Heliyon 2024; 10:e27054. [PMID: 38562500 PMCID: PMC10982965 DOI: 10.1016/j.heliyon.2024.e27054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 12/10/2023] [Accepted: 02/22/2024] [Indexed: 04/04/2024] Open
Abstract
Breast cancer is among the cancer types with the highest numbers of new cases. The study of this disease from a microscopic perspective has been a prominent research topic. Previous studies have shown that microRNAs (miRNAs) are closely linked to chromosomal instability (CIN). Correctly predicting CIN status from miRNAs can help to improve the survival of breast cancer patients. In this study, a joint global and local interpretation method called GL_XGBoost is proposed for predicting CIN status in breast cancer. GL_XGBoost integrates the eXtreme Gradient Boosting (XGBoost) and SHapley Additive exPlanation (SHAP) methods. XGBoost is used to predict CIN status from miRNA data, whereas SHAP is used to select miRNA features that have strong relationships with CIN. Furthermore, SHAP's rich visualization strategies enhance the interpretability of the entire model at the global and local levels. The performance of GL_XGBoost is validated on the TCGA-BRCA dataset, and it is shown to have an accuracy of 78.57% and an area under the curve value of 0.87. Rich visual analysis is used to explain the relationships between miRNAs and CIN status from different perspectives. Our study demonstrates an intuitive way of exploring the relationship between CIN and cancer from a microscopic perspective.
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Affiliation(s)
- Liangliang Liu
- College of Information and Management Science, Henan Agricultural University, Zhengzhou, Henan 450046, PR China
| | - Pei Zhang
- College of Information and Management Science, Henan Agricultural University, Zhengzhou, Henan 450046, PR China
| | - Zhihong Liu
- College of Information and Management Science, Henan Agricultural University, Zhengzhou, Henan 450046, PR China
| | - Tong Sun
- College of Information and Management Science, Henan Agricultural University, Zhengzhou, Henan 450046, PR China
| | - Hongbo Qiao
- College of Information and Management Science, Henan Agricultural University, Zhengzhou, Henan 450046, PR China
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Van Meerveld BG, Levi R, Gross ER, Blumer J, Wood S. Moving the Journal of Pharmacology and Experimental Therapeutics Forward to Address the Needs of Our Authors and Editors-Editorial. J Pharmacol Exp Ther 2024; 388:1-5. [PMID: 38169449 DOI: 10.1124/jpet.123.001988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 01/05/2024] Open
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Hosseini SF, Javanshir-Giv S, Soleimani H, Mollaei H, Sadri F, Rezaei Z. The importance of hsa-miR-28 in human malignancies. Biomed Pharmacother 2023; 161:114453. [PMID: 36868012 DOI: 10.1016/j.biopha.2023.114453] [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: 01/11/2023] [Revised: 02/24/2023] [Accepted: 02/26/2023] [Indexed: 03/05/2023] Open
Abstract
MicroRNA production in tumorigenesis is dysregulated by a variety of processes, such as proliferation and removal of microRNA genes, aberrant transcriptional regulation of microRNAs, disrupted epigenetic alterations, and failures in the miRNA biogenesis machinery. Under some circumstances, miRNAs may act as tumorigenic and maybe anti-oncogenes. Tumor aspects such as maintaining proliferating signals, bypassing development suppressors, delaying apoptosis, stimulating metastasis and invasion, and promoting angiogenesis have been linked to dysfunctional and dysregulated miRNAs. MiRNAs have been found as possible biomarkers for human cancer in a great deal of research, which requires additional evaluation and confirmation. It is known that hsa-miR-28 can function as an oncogene or tumor suppressor in many malignancies, and it does this by modulating the expression of several genes and the downstream signaling network. MiR-28-5p and miR-28-3p, which originate from the same RNA hairpin precursor miR-28, have essential roles in a variety of cancers. This review outlines the function and mechanisms of miR-28-3p and miR-28-5p in human cancers and illustrates the miR-28 family's potential utility as a diagnostic biomarker for prognosis and early detection of cancers.
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Affiliation(s)
- Seyede Fatemeh Hosseini
- Faculty Member, Tabas School of Nursing, Birjand University of Medical Sciences, Birjand, Iran
| | - Setareh Javanshir-Giv
- Faculty of Medicine, Department of Biochemistry, Birjand University of Medical Sciences, Birjand, Iran; Department of Clinical Biochemistry, Afzalipour School of Medicine & Physiology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Hanieh Soleimani
- Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran
| | - Homa Mollaei
- Department of Biology, Faculty of Sciences, University of Birjand, Birjand, Iran
| | - Farzad Sadri
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran.
| | - Zohreh Rezaei
- Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran; Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran.
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Santulli G. Non-Coding RNAs in Clinical Practice: From Biomarkers to Therapeutic Tools. J Pharmacol Exp Ther 2023; 384:225-226. [PMID: 36581351 PMCID: PMC9827510 DOI: 10.1124/jpet.122.001457] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 10/17/2022] [Indexed: 12/30/2022] Open
Affiliation(s)
- Gaetano Santulli
- Department of Medicine (Division of Cardiology), and Department of Molecular Pharmacology, Wilf Family Cardiovascular Research Institute, Einstein Institute for Aging Research, Einstein Institute for Neuroimmunology and Inflammation (INI), Fleischer Institute for Diabetes and Metabolism (FIDAM), Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Albert Einstein College of Medicine, New York, New York
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Lavia P, Sciamanna I, Spadafora C. An Epigenetic LINE-1-Based Mechanism in Cancer. Int J Mol Sci 2022; 23:ijms232314610. [PMID: 36498938 PMCID: PMC9738484 DOI: 10.3390/ijms232314610] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 11/24/2022] Open
Abstract
In the last fifty years, large efforts have been deployed in basic research, clinical oncology, and clinical trials, yielding an enormous amount of information regarding the molecular mechanisms of cancer and the design of effective therapies. The knowledge that has accumulated underpins the complexity, multifactoriality, and heterogeneity of cancer, disclosing novel landscapes in cancer biology with a key role of genome plasticity. Here, we propose that cancer onset and progression are determined by a stress-responsive epigenetic mechanism, resulting from the convergence of upregulation of LINE-1 (long interspersed nuclear element 1), the largest family of human retrotransposons, genome damage, nuclear lamina fragmentation, chromatin remodeling, genome reprogramming, and autophagy activation. The upregulated expression of LINE-1 retrotransposons and their protein products plays a key role in these processes, yielding an increased plasticity of the nuclear architecture with the ensuing reprogramming of global gene expression, including the reactivation of embryonic transcription profiles. Cancer phenotypes would thus emerge as a consequence of the unscheduled reactivation of embryonic gene expression patterns in an inappropriate context, triggering de-differentiation and aberrant proliferation in differentiated cells. Depending on the intensity of the stressing stimuli and the level of LINE-1 response, diverse degrees of malignity would be generated.
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Affiliation(s)
- Patrizia Lavia
- Institute of Molecular Biology and Pathology (IBPM), CNR Consiglio Nazionale delle Ricerche, c/o Department of Biology and Biotechnology, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence: or
| | - Ilaria Sciamanna
- Center for Animal Research and Welfare (BENA), ISS Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Corrado Spadafora
- Institute of Translational Pharmacology (IFT), CNR Consiglio Nazionale delle Ricerche, 00133 Rome, Italy
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