1
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Zhu J, Li Q, Wu Z, Xu W, Jiang R. Circular RNA-mediated miRNA sponge & RNA binding protein in biological modulation of breast cancer. Noncoding RNA Res 2024; 9:262-276. [PMID: 38282696 PMCID: PMC10818160 DOI: 10.1016/j.ncrna.2023.12.005] [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: 07/10/2023] [Revised: 12/20/2023] [Accepted: 12/26/2023] [Indexed: 01/30/2024] Open
Abstract
Circular RNAs (circRNAs) and small non-coding RNAs of the head-to-junction circle in the construct play critical roles in gene regulation and are significantly associated with breast cancer (BC). Numerous circRNAs are potential cancer biomarkers that may be used for diagnosis and prognosis. Widespread expression of circRNAs is regarded as a feature of gene expression in highly diverged eukaryotes. Recent studies show that circRNAs have two main biological modulation models: sponging and RNA-binding. This review explained the biogenesis of circRNAs and assessed emerging findings on their sponge function and role as RNA-binding proteins (RBPs) to better understand how their interaction alters cellular function in BC. We focused on how sponges significantly affect the phenotype and progression of BC. We described how circRNAs exercise the translation functions in ribosomes. Furthermore, we reviewed recent studies on RBPs, and post-protein modifications influencing BC and provided a perspective on future research directions for treating BC.
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Affiliation(s)
- Jing Zhu
- School of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Qian Li
- Medical Department, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Zhongping Wu
- School of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Wei Xu
- School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Rilei Jiang
- School of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
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2
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Gao D, Cui C, Jiao Y, Zhang H, Li M, Wang J, Sheng X. Circular RNA and its potential diagnostic and therapeutic values in breast cancer. Mol Biol Rep 2024; 51:258. [PMID: 38302635 DOI: 10.1007/s11033-023-09172-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: 07/10/2023] [Accepted: 12/15/2023] [Indexed: 02/03/2024]
Abstract
Breast cancer (BC) is one of the most common malignant tumors in women and still poses a significant threat to women worldwide. Recurrence of BC in situ, metastasis to distant organs, and resistance to chemotherapy are all attached to high mortality in patients with BC. Non-coding RNA (ncRNA) of the type known as "circRNA" links together from one end to another to create a covalently closed, single-stranded circular molecule. With characteristics including plurality, evolutionary conservation, stability, and particularity, they are extensively prevalent in various species and a range of human cells. CircRNAs are new and significant contributors to several kinds of disorders, including cardiovascular disease, multiple organ inflammatory responses and malignancies. Recent studies have shown that circRNAs play crucial roles in the occurrence of breast cancer by interacting with miRNAs to regulate gene expression at the transcriptional or post-transcriptional levels. CircRNAs offer the potential to be therapeutic targets for breast cancer treatment as well as prospective biomarkers for early diagnosis and prognosis of BC. Here, we are about to present an overview of the functions of circRNAs in the proliferation, invasion, migration, and resistance to medicines of breast cancer cells and serve as a promising resource for future investigations on the pathogenesis and therapeutic strategies.
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Affiliation(s)
- Di Gao
- Department of Biochemistry and Molecular Biology, Jiangsu University School of Medicine, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, China
- Institute of Digestive Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Can Cui
- Department of Biochemistry and Molecular Biology, Jiangsu University School of Medicine, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, China
| | - Yaoxuan Jiao
- Department of Biochemistry and Molecular Biology, Jiangsu University School of Medicine, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, China
| | - Han Zhang
- Department of Biochemistry and Molecular Biology, Jiangsu University School of Medicine, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, China
| | - Min Li
- Department of Biochemistry and Molecular Biology, Jiangsu University School of Medicine, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, China
| | - Junjie Wang
- Department of Pathophysiology, Jiangsu University School of Medicine, Zhenjiang, 212013, Jiangsu, China
| | - Xiumei Sheng
- Department of Biochemistry and Molecular Biology, Jiangsu University School of Medicine, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, China.
- Institute of Digestive Diseases, Jiangsu University, Zhenjiang, Jiangsu, China.
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3
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Guo R, Zhang R. Dual effects of circRNA in thyroid and breast cancer. Clin Transl Oncol 2023; 25:3321-3331. [PMID: 37058206 DOI: 10.1007/s12094-023-03173-x] [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: 02/28/2023] [Accepted: 03/21/2023] [Indexed: 04/15/2023]
Abstract
CircRNA, the latest research hotspot in the field of RNA, is a special non-coding RNA molecule, which is unable to encode proteins and bind polyribosomes. As a regulatory molecule, circRNA participates in cancer cell generation and progression mainly through the mechanism of competitive endogenous RNA. In numerous regulated cancer organs, the thyroid and breast are both endocrine organs, and both are regulated by the hypothalamic pituitary gland axis. Thyroid cancer (TC) and breast cancer (BC) are both sexually prevalent in women and both are affected by hormones, thus they are intrinsically linked. In addition, recent epidemiological surveys have found that, early metastasis and recurrence of breast cancer remain the main cause of survival in breast cancer patients. Although at home and abroad, studies have shown that new targeted anti-tumor drugs with numerous tumor markers are gradually being used in the clinic, evidence for potential molecular mechanisms affecting its prognosis lacks clinical studies. Therefore, we search the relevant literature, and based on the latest domestic and international consensus, review the molecular mechanisms and regulation relevance of circRNA, compare the difference of the same circRNA in two tumors, to more deeply understand and lay the foundation for future clinical diagnostic, therapeutic and prognostic studies in large samples.
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Affiliation(s)
- Rina Guo
- Department of Thyroid Breast Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China.
| | - Rui Zhang
- Department of Thyroid Breast Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010050, Inner Mongolia, China
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4
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Liu Y, Xiang Q, Yang T, Wang J, Li H. LINC01806 Promotes Breast Cancer Growth and Metastasis via Sponging miR-1286 to Disinhibit ZEB1 Expression. Biochem Genet 2023:10.1007/s10528-023-10507-5. [PMID: 37812283 DOI: 10.1007/s10528-023-10507-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/22/2023] [Indexed: 10/10/2023]
Abstract
Breast cancer (BC) is the most abundant and aggressive cancer that impacts millions of women with poorly understood mechanisms. Here, we aimed to investigate the function of LINC01806 in BC development. Human BC tissues and nearby normal specimens were taken from diagnosed BC patients. The expression levels of LINC01806, miR-1286, ZEB1, and EMT-related markers were evaluated by qRT-PCR and western blotting. FISH was used to visualize the subcellular localization of LINC01806. The viability, proliferation, migration and invasion capacities of BC cells were assessed by MTT, colony formation, and transwell assays. Interactions among LINC01806, miR-1286 and ZEB1 were validated by dual luciferase assay. The unpaired Student t-test (for two groups) or one-way ANOVA following with Tukey post-hoc test (for more than three groups) was employed for statistical analysis. LINC01806 level was elevated in BC tissues. Knockdown of LINC01806 suppressed EMT process and BC cell proliferation, migration, and invasion. LINC01806 co-localized and directly bound with miR-1286 in the cytoplasm. MiR-1286 inhibitor blocked the effects of LINC01806 knockdown on BC cell EMT, proliferation and migration. MiR-1286 targeted ZEB1 and overexpression of ZEB1 blocked the regulatory functions of miR-1286 mimics in BC. LINC01806 facilitates EMT and accelerates BC cell proliferation, migration, and invasion via acting as miR-1286 sponge to disinhibit ZEB1 expression.
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Affiliation(s)
- Yuxiang Liu
- The Hunan Provincial University Key Laboratory of the Fundamental and Clinical Research on Functional Nucleic Acid & Medical Examination Institute, Changsha Medical University, 1501 Leifeng Dadao, Wangcheng District, Changsha, 410219, Hunan Province, China
- Hunan Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Changsha, 410219, Hunan Province, China
| | - Qin Xiang
- Department of Basic Biology, Changsha Medical University, Changsha, 410219, Hunan Province, China
| | - Tongwang Yang
- The Hunan Provincial University Key Laboratory of the Fundamental and Clinical Research on Functional Nucleic Acid & Medical Examination Institute, Changsha Medical University, 1501 Leifeng Dadao, Wangcheng District, Changsha, 410219, Hunan Province, China
| | - Jing Wang
- The Hunan Provincial University Key Laboratory of the Fundamental and Clinical Research on Functional Nucleic Acid & Medical Examination Institute, Changsha Medical University, 1501 Leifeng Dadao, Wangcheng District, Changsha, 410219, Hunan Province, China
| | - Hongde Li
- The Hunan Provincial University Key Laboratory of the Fundamental and Clinical Research on Functional Nucleic Acid & Medical Examination Institute, Changsha Medical University, 1501 Leifeng Dadao, Wangcheng District, Changsha, 410219, Hunan Province, China.
- Medical Examination Institute, Changsha Medical University, Changsha, 410219, Hunan Province, China.
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5
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Shang Z, Luo Z, Wang Y, Liu Q, Xin Y, Zhang M, Li X, Zeng S, Yu L, Zhang X, Zhang Y. CircHIPK3 contributes to cisplatin resistance in gastric cancer by blocking autophagy-dependent ferroptosis. J Cell Physiol 2023; 238:2407-2424. [PMID: 37566605 DOI: 10.1002/jcp.31093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 07/11/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023]
Abstract
Cisplatin is the first-line chemotherapy for gastric cancer (GC). However, its efficacy is dampened by the development of chemoresistance, which leads to poor prognosis in GC patients. Recently, evidence has revealed that circular RNAs (circRNAs) and dysregulation of autophagy-dependent ferroptosis play critical roles in cancer chemoresistance. Herein, for the first time we report that circHIPK3 has a vital role in GC cisplatin resistance. CircHIPK3 regulated cisplatin resistance by targeting autophagy and ferroptosis. In brief, knockdown circHIPK3 decreased GC cell cisplatin resistance by enhancing ferroptosis via the miR-508-3p/Bcl-2/beclin1/SLC7A11 axis. Taken together, our results demonstrate that ferroptosis is a promising strategy to ameliorate cisplatin resistance. Importantly, serum exosomal circHIPK3 could also be a noninvasive indicator to evaluate cisplatin resistance in GC.
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Affiliation(s)
- Ziqi Shang
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Zhengdong Luo
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Yifeng Wang
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Qi Liu
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Yiwei Xin
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Mengjiao Zhang
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Xinyang Li
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Shunjie Zeng
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Longchen Yu
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Xin Zhang
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
| | - Yi Zhang
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, China
- Shandong Engineering Research Center of Biomarker and Artificial Intelligence Application, Jinan, China
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6
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Wang H, Shan X, Peng Y, Zhou W. Circular RNAs in the chemoresistance of triple-negative breast cancer: A systematic review. Drug Dev Res 2023; 84:805-814. [PMID: 37114737 DOI: 10.1002/ddr.22069] [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: 10/08/2022] [Revised: 03/09/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023]
Abstract
This study aims to assess studies on circular RNAs (circRNAs) in the chemoresistance of triple-negative breast cancer (TNBC) and provide relevant references for the development of new TNBC chemotherapy sensitivity biomarkers and therapeutic targets. The PubMed, Embase, Web of Knowledge, Cochrane Library, and four Chinese databases were searched up to January 27, 2023, and studies related to TNBC chemoresistance were included. The basic characteristics of the studies and the mechanisms of circRNAs in regulating TNBC chemoresistance were analyzed. A total of 28 studies published between 2018 and 2023 were included, and the chemotherapeutics included adriamycin, paclitaxel, docetaxel, 5-fluorouracil, lapatinib, and so forth. A total of 30 circRNAs were identified, 86.67% (n = 26) of these circRNAs were reported to act as microRNA (miRNA) sponges to regulate chemotherapy sensitivity, while only two circRNAs (circRNA-MTO1 and circRNA-CREIT) interacted with proteins. A total of 14, 12, and 2 circRNAs were reported to be associated with chemoresistance to adriamycin, taxanes, and 5-fluorouracil, respectively. Six circRNAs were found to act as miRNA sponges that promote chemotherapy resistance by regulating the PI3K/Akt signalling pathway. CircRNAs participate in the regulation of TNBC chemoresistance and can be used as biomarkers and therapeutic targets for improving chemotherapy sensitivity. However, further studies are needed to confirm the role of circRNAs in TNBC chemoresistance.
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Affiliation(s)
- Hongmei Wang
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Drug Metabolism, Chongqing Medical University, Chongqing, China
- Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xuefeng Shan
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yang Peng
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Weiying Zhou
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Drug Metabolism, Chongqing Medical University, Chongqing, China
- Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
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7
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Terrazzan A, Crudele F, Corrà F, Ancona P, Palatini J, Bianchi N, Volinia S. Inverse Impact of Cancer Drugs on Circular and Linear RNAs in Breast Cancer Cell Lines. Noncoding RNA 2023; 9:ncrna9030032. [PMID: 37218992 DOI: 10.3390/ncrna9030032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 05/02/2023] [Accepted: 05/16/2023] [Indexed: 05/24/2023] Open
Abstract
Altered expression of circular RNAs (circRNAs) has previously been investigated in breast cancer. However, little is known about the effects of drugs on their regulation and relationship with the cognate linear transcript (linRNA). We analyzed the dysregulation of both 12 cancer-related circRNAs and their linRNAs in two breast cancer cell lines undergoing various treatments. We selected 14 well-known anticancer agents affecting different cellular pathways and examined their impact. Upon drug exposure circRNA/linRNA expression ratios increased, as a result of the downregulation of linRNA and upregulation of circRNA within the same gene. In this study, we highlighted the relevance of identifying the drug-regulated circ/linRNAs according to their oncogenic or anticancer role. Interestingly, VRK1 and MAN1A2 were increased by several drugs in both cell lines. However, they display opposite effects, circ/linVRK1 favors apoptosis whereas circ/linMAN1A2 stimulates cell migration, and only XL765 did not alter the ratio of other dangerous circ/linRNAs in MCF-7. In MDA-MB-231 cells, AMG511 and GSK1070916 decreased circGFRA1, as a good response to drugs. Furthermore, some circRNAs might be associated with specific mutated pathways, such as the PI3K/AKT in MCF-7 cells with circ/linHIPK3 correlating to cancer progression and drug-resistance, or NHEJ DNA repair pathway in TP-53 mutated MDA-MB-231 cells.
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Affiliation(s)
- Anna Terrazzan
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
- Laboratory for Advanced Therapy Technologies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Francesca Crudele
- Genetics Unit, Institute for Maternal and Child Health, Scientific Institute for Research, Hospitalization and Healthcare (IRCCS) Burlo Garofolo, 34137 Trieste, Italy
| | - Fabio Corrà
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Pietro Ancona
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Jeffrey Palatini
- Genomics Core Facility, Centre of New Technologies, University of Warsaw, 02-097 Warsaw, Poland
| | - Nicoletta Bianchi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Stefano Volinia
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
- Laboratory for Advanced Therapy Technologies (LTTA), University of Ferrara, 44121 Ferrara, Italy
- Centrum Nauk Biologiczno-Chemicznych (Biological and Chemical Research Centre), University of Warsaw, 02-089 Warsaw, Poland
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8
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Kuang Z, Yang H, Cheng S, Zhou X, Chen L, Zhang Y, Zhang J. Silencing of circ_002136 sensitizes gastric cancer to paclitaxel by targeting the miR-16-5p/HMGA1 axis. Open Med (Wars) 2023; 18:20220625. [PMID: 36760722 PMCID: PMC9896165 DOI: 10.1515/med-2022-0625] [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: 06/07/2022] [Revised: 11/21/2022] [Accepted: 11/29/2022] [Indexed: 02/04/2023] Open
Abstract
The dysregulated expression of circRNA in gastric cancer (GC) induces paclitaxel (Tax) resistance of cancer cells, which in turn affects disease progression and prognosis. Here, we sought to investigate the role and mechanism of circ_002136 in Tax-resistant GC. In this study, we found the enriched circ_002136 level and the declined miR-16-5p level in Tax-resistant GC tissues and cells. Biologically, knockdown of circ_002136 elevated the Tax sensitivity of Tax-resistant GC cells, inhibited the cell motility properties, and simultaneously drove the apoptosis. Mechanically, circ_002136 promoted the HMGA1-mediated cellular Tax resistance and cell invasion by sponging miR-16-5p. Furthermore, circ_002136 silencing impeded the growth of Tax-resistant GC tumors in vivo. Overall, our study revealed a novel signaling pathway that could be used for future clinical applications, namely the circ_002136/miR-16-5p/HMGA1 axis to regulate the Tax resistance of GC cells.
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Affiliation(s)
- Zhijian Kuang
- Department of Pathology, Ningbo Mingzhou Hospital, Ningbo, Zhejiang, China
| | - Haitao Yang
- Department of Pathology, Ningbo Mingzhou Hospital, Ningbo, Zhejiang, China
| | - Shu Cheng
- Department of Pathology, Ningbo Mingzhou Hospital, Ningbo, Zhejiang, China
| | - Xiaolong Zhou
- Department of Pathology, Ningbo Mingzhou Hospital, Ningbo, Zhejiang, China
| | - Lan Chen
- Department of Pathology, Ningbo Mingzhou Hospital, Ningbo, Zhejiang, China
| | - Yuqing Zhang
- Department of Pathology, Ningbo Mingzhou Hospital, Ningbo, Zhejiang, China
| | - Jie Zhang
- Department of Pathology, The First People’s Hospital of Wenling, Wenling, Zhejiang, No. 333, Chuan’an South Road, Chengxi Street, Wenling, Zhejiang Province, 3175000, China
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9
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Current evidence on circRNAs as potential theranostic markers for detecting chemoresistance in breast cancer: a systematic review and meta‑analysis. Sci Rep 2022; 12:22016. [PMID: 36539545 PMCID: PMC9768200 DOI: 10.1038/s41598-022-26220-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
This study assessed the value of circRNAs (circular RNAs) as prognostic markers in BC (breast cancer). We searched pertinent studies on the PubMed, Embase, and Web of Science online databases published according to PRISMA guidelines. A random-effects model for meta-analysis was used to assess the combined effect size of the HRs (hazard ratios) of the included studies. The heterogeneity test used Cochran's Q-test and I2 statistics. Thirty of the 520 trials retrieved were included in the systematic review. A total of 11 chemotherapeutic agents were used in the included studies. A total of 30 studies on 30 circRNAs were included in the systematic review. Of the 30 relevant circRNAs, 28 were upregulated and two were downregulated in breast cancer versus normal samples, and both were associated with increased drug resistance. Nine of 30 studies were used for the meta-analysis. The results of the meta-analysis showed that the groups with circRNA upregulation and circRNA downregulation showed the same prognostic risk (HR = 1.37, 95% Cl: 0.80-2.36, I2 = 63.7%). The results of subgroup analysis showed that both upregulated circRNAs (HR = 2.24, 95% Cl: 1.34-3.75, I2 = 0%) and downregulated circRNAs (HR = 0.61, 95% Cl: 0.45-0.83, I2 = 0%) were associated with poor BC prognosis. Collectively, the results of all relevant articles collected indicated that circRNAs showed good potential as possible clinical biomarkers of chemoresistance in BC patients.
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10
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Wei Z, Shi Y, Xue C, Li M, Wei J, Li G, Xiong W, Zhou M. Understanding the Dual Roles of CircHIPK3 in Tumorigenesis and Tumor Progression. J Cancer 2022; 13:3674-3686. [PMID: 36606192 PMCID: PMC9809309 DOI: 10.7150/jca.78090] [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: 08/17/2022] [Accepted: 11/06/2022] [Indexed: 12/12/2022] Open
Abstract
CircHIPK3 is a type of endogenous circular RNA, which contains a covalently closed circular structure and cannot encode protein or polypeptide. CircHIPK3 is unusually expressed in varieties of tumors and plays dual roles of tumor promotion or tumor inhibition in tumorigenesis and development of tumors by serving as the sponge for miRNA in multiple tumors. Here, we reviewed the differential expression, the dual functions, the regulation mechanism, and the network in a variety of tumors as well as the potential value for the diagnosis and treatment of tumors, which are of great significance for our comprehensive understanding of the roles and mechanisms of circHIPK3 in tumors.
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Affiliation(s)
- Zeyu Wei
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Xiangya Stomatological Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Yijia Shi
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Xiangya Stomatological Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Changning Xue
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, Hunan 410078, China
| | - Mengna Li
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, Hunan 410078, China
| | - Jianxia Wei
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, Hunan 410078, China
| | - Guiyuan Li
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, Hunan 410078, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, Hunan 410078, China
| | - Ming Zhou
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, Hunan 410078, China.,✉ Corresponding author: Ming Zhou, E-mail:
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11
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The Diagnostic and Therapeutic Role of Circular RNA HIPK3 in Human Diseases. Diagnostics (Basel) 2022; 12:diagnostics12102469. [PMID: 36292157 PMCID: PMC9601126 DOI: 10.3390/diagnostics12102469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/05/2022] [Accepted: 10/09/2022] [Indexed: 11/17/2022] Open
Abstract
Circular RNAs (circRNAs) are a class of noncoding RNAs with closed-loop of single-stranded RNA structure. Although most of the circRNAs do not directly encode proteins, emerging evidence suggests that circRNAs play a pivotal and complex role in multiple biological processes by regulating gene expression. As one of the most popular circRNAs, circular homeodomain-interacting protein kinase 3 (circHIPK3) has frequently gained the interest of researchers in recent years. Accumulating studies have demonstrated the significant impacts on the occurrence and development of multiple human diseases including cancers, cardiovascular diseases, diabetes mellitus, inflammatory diseases, and others. The present review aims to provide a detailed description of the functions of circHIPK3 and comprehensively overview the diagnostic and therapeutic value of circHIPK3 in these certain diseases.
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Huang Z, Chen P, Jia R, Liu Y. Circ_0051079 functions as an oncogenic regulator in osteosarcoma by leading to MAFB expression upregulation by competitively interacting with miR-1286. J Orthop Surg Res 2022; 17:428. [PMID: 36153605 PMCID: PMC9509595 DOI: 10.1186/s13018-022-03297-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 08/24/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Circular RNAs are involved in various cellular processes of bone diseases by acting as miRNA sponges to regulate gene expression levels, including osteosarcoma (OS). This research concentrated on the molecular mechanism of circ_0051079 in OS progression.
Methods
Reverse transcription-quantitative polymerase chain reaction assay was used for expression detection of circ_0051079, microRNA-1286 (miR-1286), and musculoaponeurotic fibrosarcoma oncogene homolog B (MAFB). Cell Counting Kit-8 assay and Edu assay were used for cell proliferation analysis. Cell apoptosis was evaluated using flow cytometry. Western blot was performed to measure protein levels. Migration and invasion were assessed via transwell assay. Interaction of circ_0051079/miR-1286 or miR-1286/MAFB was explored through a dual-luciferase reporter assay. In vivo research was carried out via tumor xenograft assay and immunohistochemistry staining.
Results
Circ_0051079 expression was upregulated in OS. Downregulation of circ_0051079 reduced OS cell proliferation, migration, invasion, and accelerated apoptosis. Circ_0051079 interacted with miR-1286, and the tumor-inhibitory function of si-circ_0051079 was abolished by miR-1286 inhibition in OS cells. MAFB served as a target for miR-1286. OS cell progression was suppressed by miR-1286 overexpression via downregulating MAFB. Circ_0051079/miR-1286 resulted in expression change of MAFB in OS cells. Silencing circ_0051079 inhibited tumor growth in vivo via regulating the miR-1286/MAFB axis.
Conclusion
The collective results elucidated that circ_0051079 contributed to OS progression via miR-1286-mediated upregulation of MAFB, confirming the interaction of circ_0051079/miR-1286/MAFB axis in OS.
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Abedi-Gaballu F, Kamal Kazemi E, Salehzadeh SA, Mansoori B, Eslami F, Emami A, Dehghan G, Baradaran B, Mansoori B, Cho WC. Metabolic Pathways in Breast Cancer Reprograming: An Insight to Non-Coding RNAs. Cells 2022; 11:cells11192973. [PMID: 36230935 PMCID: PMC9563138 DOI: 10.3390/cells11192973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/10/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
Cancer cells reprogram their metabolisms to achieve high energetic requirements and produce precursors that facilitate uncontrolled cell proliferation. Metabolic reprograming involves not only the dysregulation in glucose-metabolizing regulatory enzymes, but also the enzymes engaging in the lipid and amino acid metabolisms. Nevertheless, the underlying regulatory mechanisms of reprograming are not fully understood. Non-coding RNAs (ncRNAs) as functional RNA molecules cannot translate into proteins, but they do play a regulatory role in gene expression. Moreover, ncRNAs have been demonstrated to be implicated in the metabolic modulations in breast cancer (BC) by regulating the metabolic-related enzymes. Here, we will focus on the regulatory involvement of ncRNAs (microRNA, circular RNA and long ncRNA) in BC metabolism, including glucose, lipid and glutamine metabolism. Investigation of this aspect may not only alter the approaches of BC diagnosis and prognosis, but may also open a new avenue in using ncRNA-based therapeutics for BC treatment by targeting different metabolic pathways.
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Affiliation(s)
- Fereydoon Abedi-Gaballu
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 51666-14731, Iran
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51666-16471, Iran
| | - Elham Kamal Kazemi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 51666-14731, Iran
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51666-16471, Iran
| | - Seyed Ahmad Salehzadeh
- Department of Medicinal Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 175-14115, Iran
| | - Behnaz Mansoori
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran 175-14115, Iran
| | - Farhad Eslami
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51666-16471, Iran
| | - Ali Emami
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51666-16471, Iran
| | - Gholamreza Dehghan
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51666-16471, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 51666-14731, Iran
| | - Behzad Mansoori
- Cellular and Molecular Oncogenesis Program, The Wistar Institute, Philadelphia, PA 19104, USA
- Correspondence: (B.M.); (W.C.C.)
| | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong, China
- Correspondence: (B.M.); (W.C.C.)
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Circular RNAs and Drug Resistance in Genitourinary Cancers: A Literature Review. Cancers (Basel) 2022; 14:cancers14040866. [PMID: 35205613 PMCID: PMC8869870 DOI: 10.3390/cancers14040866] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/25/2022] [Accepted: 01/27/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Drug resistance to systematic treatment in genitourinary tumors severely aggravated the burden on patients and society. Multiple mechanisms were involved in drug resistance. As typical non-coding RNAs, circRNAs play a critical role in the onset and development of cancers and several studies implied their function in the regulation of drug resistance. Here, we reviewed the investigations of circRNAs’ behavior in drug resistance of genitourinary cancers and summarized the underlying mechanisms. This review emphasized the essential role of circRNAs in drug resistance development and also pointed out the potential topics that need further investigations in the future. Abstract In recent years, systematic treatment has made great progress in genitourinary tumors. However, some patients develop resistance to the treatments, resulting in an increase in mortality. Circular RNAs (circRNAs) form a class of non-coding RNAs with high stability and significant clinical relevance. Accumulating evidence indicates that circRNAs play a vital role in cancer development and tumor chemotherapy resistance. This review summarizes the molecular and cellular mechanisms of drug resistance mediated by circRNAs to common drugs used in the treatment of genitourinary tumors. Several circRNAs were identified to regulate the responsiveness to systemic treatments in genitourinary tumors, including chemotherapies such as cisplatin and targeted therapies such as enzalutamide. Canonically, cicrRNAs participate in the competing endogenous RNA (ceRNA) network, or in some cases directly interact with proteins, regulate downstream pathways, and even some circRNAs have the potential to produce proteins or polypeptides. Several cellular mechanisms were involved in circRNA-dependent drug resistance, including autophagy, cancer stem cells, epithelial-mesenchymal transition, and exosomes. The potential clinical prospect of circRNAs in regulating tumor drug resistance was also discussed.
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Yu J, Li F, Li Y, Li Z, Jia G, Ding B, Zhou Y. The effects of hsa_circ_0000517/miR-326 axis on the progression of breast cancer cells and the prediction of miR-326 downstream targets in breast cancer. Pathol Res Pract 2021; 227:153638. [PMID: 34619576 DOI: 10.1016/j.prp.2021.153638] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/21/2021] [Accepted: 09/27/2021] [Indexed: 12/16/2022]
Abstract
It has been proposed that circular RNAs (circRNAs) play crucial roles in the initiation and progression of various cancers including breast cancer. Our study aimed to determine the function and regulatory mechanism of hsa_circ_0000517 in breast cancer. qRT-PCR was applied to determine hsa_circ_0000517 expression in breast cancer cells. The circular structure of hsa_circ_0000517 was confirmed using RNase R digestion assay. The subcellular distribution of hsa_circ_0000517 was analyzed using nuclear mass separation assay. Effects of hsa_circ_0000517 on the malignant behaviors of breast cancer cells were determined using CCK-8, colony formation assay, flow cytometry analysis, caspase-3 activity assay, and Transwell invasion assay. Bioinformatics analysis, luciferase reporter assay, and RIP were used to predict and confirm the interaction between hsa_circ_0000517 and miR-326. Bioinformatics analysis was used to search the possible targets of miR-326. Hsa_circ_0000517 was upregulated in breast cancer tissues and cells. Hsa_circ_0000517 was a stable circularized transcript that was preferentially distributed in the cytoplasm. Hsa_circ_0000517 knockdown inhibited cell proliferation, colony formation ability, and invasion and triggered apoptosis in breast cancer cells. Hsa_circ_0000517 acted as a sponge of miR-326 to suppress its expression. miR-326 inhibition abolished the effects of hsa_circ_0000517 knockdown on the malignant behaviors of breast cancer cells. Totally 17 genes were identified as the potential targets of miR-326 in breast cancer. In conclusion, hsa_circ_0000517 silencing repressed breast cancer progression by upregulating miR-326 expression.
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Affiliation(s)
- Jinsong Yu
- Department of Thyroid and Breast Surgery, Nanyang First People's Hospital, Nanyang 473012, China; Key Laboratory of Thyroid Tumor Prevention and Treatment, Nanyang First People's Hospital, Nanyang 473012, China
| | - Fengbo Li
- Department of Respiratory Medicine, Nanshi Hospital of Nanyang, Nanyang 473000, China
| | - Yan Li
- Department of General Surgery, Nanyang First People's Hospital, Nanyang 473012, China
| | - Zhong Li
- Department of General Surgery, Nanyang First People's Hospital, Nanyang 473012, China
| | - Guangwei Jia
- Department of Thyroid and Breast Surgery, Nanyang First People's Hospital, Nanyang 473012, China
| | - Bo Ding
- Department of General Surgery, Nanyang First People's Hospital, Nanyang 473012, China
| | - Yeqi Zhou
- Department of Radiology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an 223002, China.
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