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Mokhtari M, Khoshbakht S, Esmaeil Akbari M, Sayyed Sajjad M. WASF3 overexpression affects the expression of circular RNA hsa-circ-0100153, which promotes breast cancer progression by sponging hsa-miR-31, hsa-miR-767-3p, and hsa-miR-935. Heliyon 2023; 9:e22874. [PMID: 38125536 PMCID: PMC10731075 DOI: 10.1016/j.heliyon.2023.e22874] [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: 08/20/2023] [Revised: 11/01/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Background The WASF3 gene has been linked to promoting metastasis in breast cancer (BC) cells, and low expression reduces invasion potential. Circular RNAs (circRNAs) function as microRNA (miRNA) modulators and are involved in cancer progression, but the relationship between these factors remains unclear. Methods This study used bioinformatics methods and a computational approach to investigate the role of circRNAs and miRNAs in the context of WASF3 overexpression. Differentially expressed mRNAs, circRNAs, and miRNAs were identified using Gene Expression Omnibus (GEO) datasets. A competing endogenous RNA (ceRNA) network was constructed based on circRNA-miRNA pairs and miRNA-mRNA pairs. Functional and pathway enrichment analyses were predicted using a circRNA-miRNA-mRNA network. Results RNA expression patterns were significantly different between normal and tumor samples. A total of 190 circRNAs, 76 miRNAs, and 678 mRNAs were differentially expressed. The analysis of the circRNA-miRNA-mRNA regulatory network revealed interactions between hsa-circ-0100153, hsa-miR-31, hsa-miR-767-3p, and hsa-miR-935 with WASF3 in cancer. These interactions primarily function in DNA replication and the cell cycle. Conclusions This study reveals a mechanism by which WASF3 overexpression affects the expression of circRNAs hsa-circ-0100153, promoting BC progression by sponging hsa-miR-31/hsa-miR-767-3p /hsa-miR-935. This mechanism may increase the invasive potential of cancers, in addition to other reported molecular mechanisms involving the WASF3 gene.
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Affiliation(s)
- Majid Mokhtari
- Department of Bioinformatics, Kish International Campus, University of Tehran, Kish Island, Iran
| | - Samane Khoshbakht
- Department of Bioinformatics, Kish International Campus, University of Tehran, Kish Island, Iran
| | | | - Moravveji Sayyed Sajjad
- Department of Bioinformatics, Kish International Campus, University of Tehran, Kish Island, Iran
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Targeting mitochondria as a potential therapeutic strategy against chemoresistance in cancer. Biomed Pharmacother 2023; 160:114398. [PMID: 36773523 DOI: 10.1016/j.biopha.2023.114398] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/21/2023] [Accepted: 02/08/2023] [Indexed: 02/11/2023] Open
Abstract
The importance of mitochondria is not only limited to energy generation but also in several physical and chemical processes critical for cell survival. Mitochondria play an essential role in cellular apoptosis, calcium ion transport and cellular metabolism. Mutation in the nuclear and mitochondrial genes, altered oncogenes/tumor suppressor genes, and deregulated signalling for cell viability are major reasons for cancer progression and chemoresistance. The development of drug resistance in cancer patients is a major challenge in cancer treatment as the resistant cells are often more aggressive. The drug resistant cells of numerous cancer types exhibit the deregulation of mitochondrial function. The increased biogenesis of mitochondria and its dynamic alteration contribute to developing resistance. Further, a small subpopulation of cancer stem cells in the heterogeneous tumor is primarily responsible for chemoresistance and has an attribute of mitochondrial dysfunction. This review highlights the critical role of mitochondrial dysfunction in chemoresistance in cancer cells through the processes of apoptosis, autophagy/mitophagy, and cancer stemness. Mitochondria-targeted therapeutic strategies might help reduce cancer progression and chemoresistance induced by various cancer drugs.
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Samavarchi Tehrani S, Esmaeili F, Shirzad M, Goodarzi G, Yousefi T, Maniati M, Taheri-Anganeh M, Anushiravani A. The critical role of circular RNAs in drug resistance in gastrointestinal cancers. Med Oncol 2023; 40:116. [PMID: 36917431 DOI: 10.1007/s12032-023-01980-4] [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: 01/07/2023] [Accepted: 02/20/2023] [Indexed: 03/16/2023]
Abstract
Nowadays, drug resistance (DR) in gastrointestinal (GI) cancers, as the main reason for cancer-related mortality worldwide, has become a serious problem in the management of patients. Several mechanisms have been proposed for resistance to anticancer drugs, including altered transport and metabolism of drugs, mutation of drug targets, altered DNA repair system, inhibited apoptosis and autophagy, cancer stem cells, tumor heterogeneity, and epithelial-mesenchymal transition. Compelling evidence has revealed that genetic and epigenetic factors are strongly linked to DR. Non-coding RNA (ncRNA) interferences are the most crucial epigenetic alterations explored so far, and among these ncRNAs, circular RNAs (circRNAs) are the most emerging members known to have unique properties. Due to the absence of 5' and 3' ends in these novel RNAs, the two ends are covalently bonded together and are generated from pre-mRNA in a process known as back-splicing, which makes them more stable than other RNAs. As far as the unique structure and function of circRNAs is concerned, they are implicated in proliferation, migration, invasion, angiogenesis, metastasis, and DR. A clear understanding of the molecular mechanisms responsible for circRNAs-mediated DR in the GI cancers will open a new window to the management of GI cancers. Hence, in the present review, we will describe briefly the biogenesis, multiple features, and different biological functions of circRNAs. Then, we will summarize current mechanisms of DR, and finally, discuss molecular mechanisms through which circRNAs regulate DR development in esophageal cancer, pancreatic cancer, gastric cancer, colorectal cancer, and hepatocellular carcinoma.
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Affiliation(s)
- Sadra Samavarchi Tehrani
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fataneh Esmaeili
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Moein Shirzad
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Golnaz Goodarzi
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Tooba Yousefi
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahmood Maniati
- Department of English, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mortaza Taheri-Anganeh
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
| | - Amir Anushiravani
- Digestive Disease Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Helicobacter Pylori and Gastric Cancer Progression. Curr Microbiol 2022; 79:383. [DOI: 10.1007/s00284-022-03089-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022]
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Wang W, Pei Q, Wang L, Mu T, Feng H. Construction of a Prognostic Signature of 10 Autophagy-Related lncRNAs in Gastric Cancer. Int J Gen Med 2022; 15:3699-3710. [PMID: 35411177 PMCID: PMC8994655 DOI: 10.2147/ijgm.s348943] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/25/2022] [Indexed: 12/12/2022] Open
Abstract
Background Autophagy plays a double-edged sword role in cancers. LncRNAs could regulate cancer initiation and development at various levels. However, the role of autophagy-related lncRNAs (ARlncs) in gastric cancer (GC) remains indistinct. Methods GC gene expression profile and clinical data were acquired from the Cancer Genome Atlas (TCGA). The prognostic signature composed of ARlncs was established via cox regression analysis. Kaplan–Meier (K-M) survival curve was adopted to show overall survival (OS). Independence and reliability of risk signature were visualized by cox regression analysis and ROC curve. A nomogram was constructed and the reliability was analyzed by ROC curve. Immune infiltrating cells and check points were also analyzed. Results A prognostic signature was constructed which stratified GC patients into high- and low-risk groups according to risk score calculated via the 10 ARlncs including LINC01094, AC068790.7, AC090772.1, AC005165.1, PVT1, LINC00106, AC026368.1, AC090912.3, AC013652.1, UICLM. Patients in high-risk group showed a poor prognosis (p<0.001). Cox regression analysis showed signature was an independent prognostic factor (p<0.001). Areas under curves (AUC) of ROC for risk signature for predicting OS outweighed age, gender, grade, T, M and N, which suggested the reliability of the signature. A nomogram was constructed with risk signature, T, M, N and age and its AUC of ROC for 1-, 3-, and 5-year was 0.700, 0.730, 0.757 respectively, which showed good reliability. Macrophage M2, T cell CD8+ and T cell CD4+ memory resting had greatest difference between the two risk groups according to CIBERSORE-ABS algorithm (p<0.001). CD274 (PD-L1), PDCD1 (PD-1) and PDCD1LG2 (PD-L2) were expressed higher in the high-risk group (p<0.05), which implied that immunotherapy may be a good choice for these patients. Conclusion The risk signature based on 10 ARlncs can serve as an efficacious prognostic predictor and guide the immunotherapies and precise treatment for GC patients.
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Affiliation(s)
- Wenwen Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People’s Republic of China
- Shandong Provincial Engineering and Technological Research Center for Liver Diseases Prevention and Control, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People’s Republic of China
| | - Qingshan Pei
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People’s Republic of China
| | - Lifen Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People’s Republic of China
| | - Tong Mu
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People’s Republic of China
| | - Hua Feng
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People’s Republic of China
- Correspondence: Hua Feng, Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324 Jing 5 Road, Jinan, Shandong, 250021, People’s Republic of China, Tel +86 531-68773293, Fax +86 531-87906348, Email
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Hou M, Li C, Dong S. LINC00963/miR-4458 regulates the effect of oxaliplatin in gastric cancer by mediating autophagic flux through targeting of ATG16L1. Sci Rep 2021; 11:20951. [PMID: 34697403 PMCID: PMC8546147 DOI: 10.1038/s41598-021-98728-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 09/09/2021] [Indexed: 11/09/2022] Open
Abstract
Oxaliplatin resistance is the greatest obstacle to the management of local recurrence in gastric cancer patients after surgery. Accumulating evidence has suggested that inhibiting autophagy may be a novel approach for reversing resistance to oxaliplatin treatment. In this manuscript, we aimed to investigate the role of LINC00963 in regulating autophagy and oxaliplatin resistance. qRT-PCR, immunochemistry staining, and western blotting were used to detect gene expression. Plasmids were used to up- and downregulate the expression of LINC00963 and miR-4458. A caspase 3/7 activity kit and flow cytometry were used to detect the apoptosis rate. CCK8 and Transwell assays were used to test cell proliferation and migration, respectively. Transmission electron microscopy and a dual fluorescent lentivirus autophagy system were used to evaluate autophagic flux. Dual luciferase reporter gene assays and RNA pulldown assays were used to evaluate the potential crosstalk. LINC00963 was highly expressed in gastric cancer patients and cell lines. In addition, high LINC00963 expression was found to be associated with poor prognosis and local recurrence in gastric cancer patients, indicating that LINC00963 might be involved in oxaliplatin resistance. Moreover, we found that LINC00963 was aberrantly highly expressed in oxaliplatin-resistant SGC-7901 (SGC-7901-R) cells and promoted proliferation and migration and reduced the apoptosis rate in SGC-7901-R cells. Furthermore, among all potential target microRNAs, miR-4458 was found to be negatively regulated by LINC00963 both in vivo and in vitro. In addition, miR-4458 overexpression led to impaired proliferation and migration and enhanced cell apoptosis and G1 arrest in SGC-7901-R cells. Further RNA pulldown and dual luciferase reporter gene assays indicated the interaction between LINC00963 and miR-4458. Moreover, we found enhanced autophagic flux in SGC-7901-R cells compared with SGC-7901 cells; in addition, an inhibitor of autophagy induced apoptosis in SGC-7901-R cells. Then, we found that downregulation of LINC00963 expression and upregulation of miR-4458 expression significantly suppressed autophagic flux in SGC-7901-R cells. Based on starBase V3.0 and dual luciferase reporter gene assays, we predicted and confirmed that ATG16L1 might be the target of miR-4458 to regulate autophagy. In conclusion, LINC00963 and miR-4458 are potential biomarkers for predicting the overall survival of gastric cancer patients. Moreover, targeting LINC00963 to inhibit autophagic flux sensitizes gastric cancer cells to oxaliplatin treatment, suggesting that it is a potential novel therapeutic target for improving oxaliplatin sensitivity.
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Affiliation(s)
- Meng Hou
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Chao Li
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Shunbin Dong
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
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Qian X, Xie F, Wei H, Cui D. Identification of Key Circulating Exosomal microRNAs in Gastric Cancer. Front Oncol 2021; 11:693360. [PMID: 34336682 PMCID: PMC8323470 DOI: 10.3389/fonc.2021.693360] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 06/29/2021] [Indexed: 01/16/2023] Open
Abstract
Exosomal miRNAs (EmiRs) can be used for prediction of gastric cancer (GC) development. Supposedly, both plasma and urinary microRNAs can also be potential biomarkers for screening, but the diagnostic values of EmiRs in blood and urine are not fully studied. We here collected both types of samples from GC patients and healthy individuals and conducted miRNA sequencing to identify key members of EmiRs in GC. The exosomes samples derived from blood and urine were collected from 3 healthy individuals and 7 GC patients. Differentially expressed miRNAs (DEmiRNAs) were acquired, ontology enrichment analysis and Protein-protein Interaction (PPI) enrichment analysis were performed. There were 8 DEmiRNAs in the serum and 3 DEmiRNAs in the urine. For GC patients, there were three up-regulated DEmiRNAs (hsa-miR-130b-3p, hsa-miR-151a-3p and hsa-miR-15b-3p) in the serum exosomes, and one up-regulated DEmiRNA (hsa-miR-1246) in the urinary exosomes. Using miRNA target prediction databases, we found 418 common targets of hsa-miR-15b-3p, 35 common targets of hsa-miR-151a-3p, 117 common targets of hsa-miR-130b-3p, and 357 common targets of hsa-miR-1246. Some commonly enriched ontology terms were found, including GO BP terms like cell surface receptor signaling pathway involved in cell-cell signaling, positive regulation of catabolic process, morphogenesis of an epithelium, and GO CC terms perinuclear region of cytoplasm. The PPI network show some key nodes, including TAOK1, CMTM6, SCN3A, WASF3, IGF1, CNOT7, GABRG1, PRKD1. Together, this study provided an integrative analysis of expression profile of key circulating exosomal microRNAs. Four key exosomal miRNAs (hsa-miR-130b-3p, hsa-miR-151a-3p and hsa-miR-15b-3p) and the interaction network or enrichments based on their targets (TAOK1, CMTM6, SCN3A, WASF3, IGF1, CNOT7, GABRG1, PRKD1) may provide a reference of the molecular mechanisms in the GC development.
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Affiliation(s)
- Xiaoqing Qian
- School of Biomedical Engineering, Shanghai Jiaotong University, Shanghai, China.,Department of Instrument Science & Engineering, School of Electronic Information & Electrical Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis & Treatment Instrument, Institute of Nano Biomedicine & Engineering, Shanghai Jiaotong University, Shanghai, China
| | - Feng Xie
- Department of thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Huabing Wei
- Department of thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Daxiang Cui
- Department of Instrument Science & Engineering, School of Electronic Information & Electrical Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis & Treatment Instrument, Institute of Nano Biomedicine & Engineering, Shanghai Jiaotong University, Shanghai, China
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Xu JL, Yuan L, Tang YC, Xu ZY, Xu HD, Cheng XD, Qin JJ. The Role of Autophagy in Gastric Cancer Chemoresistance: Friend or Foe? Front Cell Dev Biol 2020; 8:621428. [PMID: 33344463 PMCID: PMC7744622 DOI: 10.3389/fcell.2020.621428] [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: 10/26/2020] [Accepted: 11/12/2020] [Indexed: 12/12/2022] Open
Abstract
Gastric cancer is the third most common cause of cancer-related death worldwide. Drug resistance is the main inevitable and vital factor leading to a low 5-year survival rate for patients with gastric cancer. Autophagy, as a highly conserved homeostatic pathway, is mainly regulated by different proteins and non-coding RNAs (ncRNAs) and plays dual roles in drug resistance of gastric cancer. Thus, targeting key regulatory nodes in the process of autophagy by small molecule inhibitors or activators has become one of the most promising strategies for the treatment of gastric cancer in recent years. In this review, we provide a systematic summary focusing on the relationship between autophagy and chemotherapy resistance in gastric cancer. We comprehensively discuss the roles and molecular mechanisms of multiple proteins and the emerging ncRNAs including miRNAs and lncRNAs in the regulation of autophagy pathways and gastric cancer chemoresistance. We also summarize the regulatory effects of autophagy inhibitor and activators on gastric cancer chemoresistance. Understanding the vital roles of autophagy in gastric cancer chemoresistance will provide novel opportunities to develop promising therapeutic strategies for gastric cancer.
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Affiliation(s)
- Jing-Li Xu
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China.,Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China.,The First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Li Yuan
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China.,Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China.,The First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Yan-Cheng Tang
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong, China
| | - Zhi-Yuan Xu
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China.,Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Han-Dong Xu
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China.,Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China.,The First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiang-Dong Cheng
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China.,Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Jiang-Jiang Qin
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China.,Cancer Hospital of the University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
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