1
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Duan F, Kong F, Jiang T, Liu H. SYVN1 modulates papillary thyroid carcinoma progression by destabilizing HMGB1. Cell Div 2024; 19:15. [PMID: 38679705 PMCID: PMC11057142 DOI: 10.1186/s13008-024-00121-1] [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: 12/19/2023] [Accepted: 04/11/2024] [Indexed: 05/01/2024] Open
Abstract
E3 ubiquitin ligase synoviolin (SYVN1) has been reported to participate in many human cancers. This study aimed to investigate SYVN1's roles and molecular pathways in papillary thyroid cancer (PTC). The functions of SYVN1 in PTC were further analyzed using gain- and loss-of-function methods and numerous investigations in cellular function and molecular biology. The findings demonstrated that the overexpression of SYVN1 markedly suppressed the proliferation, migration, and invasion of PTC cell lines (NPA87 and TPC-1). We found that SYVN1 interacted with HMGB1 and promoted its ubiquitination and degradation. In addition, SYVN1 effectively impairs cell proliferation, migration, invasion, and the formation of tumor xenografts in mice models. However, this effect may be partly reversed by overexpressing HMGB1. Thus, SYVN1 may inhibit the proliferation, migration, and invasion of PTC cells by disrupting HMGB1. Consequently, SYVN1 might be considered a promising therapeutic target for PTC.
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Affiliation(s)
- Fei Duan
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
| | - Fanli Kong
- Department of Otolaryngology Head and Neck Surgery, Jiujiang First People's Hospital, Jiujiang, 332600, China
| | - Taifeng Jiang
- Department of Otolaryngology Head and Neck Surgery, Jiujiang First People's Hospital, Jiujiang, 332600, China
| | - Hongbing Liu
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China.
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2
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Xu A, Zhu L, Yao C, Zhou W, Guan Z. The therapeutic potential of circular RNA in triple-negative breast cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2024; 7:13. [PMID: 38835343 PMCID: PMC11149105 DOI: 10.20517/cdr.2023.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 06/06/2024]
Abstract
Triple-negative breast cancer (TNBC) is among the most aggressive subtypes of the disease that does not express estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2. Circular RNAs (circRNAs) are a type of non-coding RNA with a circular shape formed by non-standard splicing or reverse splicing. Numerous circRNAs exhibit abnormal expression in various malignancies, showing their critical role in the emergence and growth of tumors. Recent studies have shown evidence supporting the idea that certain circRNAs regulate the proliferation and metastasis of TNBC. In addition, circRNAs alter metabolism and the immune microenvironment to promote or inhibit the development of TNBC. Notably, circRNAs may affect the efficacy of clinical drug therapy, serve as therapeutic targets, and be used as molecular biomarkers in the future. Herein, we will first summarize the biogenesis and function of circRNAs. Then, we will explain current research on circRNAs related to TNBC and their potential to serve as therapeutic targets or biomarkers for future drug development, providing a new direction and idea for TNBC therapy.
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Affiliation(s)
- Aiqi Xu
- Department of Breast Oncology, School of Medicine, South China University of Technology, Guangzhou 510006, Guangdong, China
- Authors contributed equally
| | - Lewei Zhu
- Department of Breast Surgery, The First People's Hospital of Foshan, Foshan 528000, Guangdong, China
- Authors contributed equally
| | - Chengcai Yao
- The Sixth Affiliated Hospital, School of Medicine, South China University of Technology, Foshan 528200, Guangdong, China
| | - Wen Zhou
- The Sixth Affiliated Hospital, School of Medicine, South China University of Technology, Foshan 528200, Guangdong, China
| | - Ziyun Guan
- The Sixth Affiliated Hospital, School of Medicine, South China University of Technology, Foshan 528200, Guangdong, China
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3
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Huang M, Gao T, Chen X, Yi J, Zhou X. Circ_0087851 suppresses colorectal cancer malignant progression through triggering miR-593-3p/BAP1-mediated ferroptosis. J Cancer Res Clin Oncol 2024; 150:204. [PMID: 38642144 PMCID: PMC11032280 DOI: 10.1007/s00432-024-05643-3] [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: 10/25/2023] [Accepted: 02/05/2024] [Indexed: 04/22/2024]
Abstract
BACKGROUND Emerging research has validated that circular RNAs (circRNAs) have indispensable regulatory functions in tumorigenesis, including colorectal cancer (CRC). Ferroptosis is a specific cell death form and implicates in the malignant progression of tumors. Here, this study aimed to investigate the biofunction of circ_0087851 in tumor progression and ferroptosis of CRC, as well as its underlying molecular mechanism. METHODS The expression pattern of circ_0087851 in CRC was validated by qRT-PCR. The biological characteristics of circ_0087851 in CRC were assessed through CCK-8, colony formation and transwell assays in vitro. The ferroptosis was measured using ferroptosis-related reagents on iron, Fe2+, and lipid ROS detection. Bioinformatics, luciferase reporter, and RNA pulldown assays were employed to reveal the circ_0087851-mediated regulatory network. In addition, the effect of circ_0087851 on tumor growth in vivo was detected using a xenograft model. RESULTS Circ_0087851 was notably diminished in CRC tissues and cells. Functionally, overexpression of circ_0087851 suppressed CRC cell growth, migration, invasion, and facilitated ferroptosis in vitro. Meanwhile, circ_0087851 upregulation impeded CRC growth in vivo. Mechanistically, circ_0087851 functioned as a molecular sponge for miR-593-3p, and BRCA1 associated protein 1 (BAP1) was identified as a downstream target of miR-593-3p. Besides, rescue experiments revealed that miR-593-3p overexpression or silencing of BAP1 reversed circ_0087851-mediated CRC progression. CONCLUSION Circ_0087851 performed as a tumor suppressor and ferroptosis promoter by the miR-593-3p/BAP1 axis, providing novel biomarker and therapeutic target for the clinical management of CRC.
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Affiliation(s)
- Ming Huang
- Department of Pathology, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Ting Gao
- Department of Pathology, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Xianyong Chen
- Department of Pathology, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Junlei Yi
- Department of Pathology, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Xuan Zhou
- Gastrointestinal Surgery, Affiliated Hospital of Xiangnan University, No. 25, Renmin West Road, Beihu District, Chenzhou, 423000, Hunan, China.
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4
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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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5
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Wu XX, Zhao YX, Xu SL, Wang LX, Mao JH, Wang B, Yang H. A comprehensive evaluation of circ_0065214/ miR-188-3p/GPNMB axis in breast cancer. Cell Signal 2024; 115:111019. [PMID: 38141793 DOI: 10.1016/j.cellsig.2023.111019] [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: 10/12/2023] [Revised: 12/10/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
CircRNAs are involved in multiple aspects during carcinogenesis, including tumorigenesis, vascularization, apoptosis and others. Exploring the role of circRNAs in breast cancer (BC) enables us to understand the development mechanism of BC more comprehensively. Here, we screened out and verified an up-regulated circRNA in BC from GEO data. Quantitative Real-time PCR (qRT-PCR) showed that circ_0065214 had a high expression level in BC patients. Besides, circ_0065214 had good diagnostic value in BC serum, and the area under the diagnostic curve, sensitivity and specificity were 0.78, 0.63 and 0.85, respectively. The combined application of circ_0065214 with CEA and CA-153 can further improve the diagnostic efficiency. The knockdown of circ_0065214 in vivo and in vitro inhibited the proliferation, migration and invasion of BC, but promoted autophagy. At last, dual-luciferase reporter assay and rescue assays revealed that circ_0065214 acted as a decoy to adsorb miR-188-3p, and then relieved the repressive effect of miR-188-3p on its target GPNMB. Our results demonstrated that circ_0065214 regulated the expression of GPNMB by competitively binding to miR-188-3p, thus promoting the proliferation, migration and invasion of breast cancer cells and inhibiting autophagy. These findings provided an original therapeutic strategy for BC.
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Affiliation(s)
- Xi-Xi Wu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China; The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China
| | - Yue-Xin Zhao
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Shi-Liang Xu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ling-Xia Wang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jia-Hui Mao
- Department of Central Laboratory, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Bo Wang
- Department of Oncology, The Second Affiliated Hospital of Soochow University, Suzhou, China.
| | - Huan Yang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China.
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6
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Chen T, Jia W, Zhang B, Xie H, Wu Q. EMT transcription factors activated circuits: A novel tool to study EMT dynamics and its therapeutic implications. Synth Syst Biotechnol 2024; 9:1-10. [PMID: 38173810 PMCID: PMC10758624 DOI: 10.1016/j.synbio.2023.11.010] [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: 10/08/2023] [Revised: 11/15/2023] [Accepted: 11/26/2023] [Indexed: 01/05/2024] Open
Abstract
The epithelial mesenchymal transition (EMT) plays significant roles in the progression of cancer and fibrotic disease. Moreover, this process is reversible, resulting in mesenchymal epithelial transition (MET), which plays an important role in cancer metastasis. There is a lack of methods to trace and target EMT cells using synthetic biology circuits, which makes it difficult to study the cell fate or develop targeted treatments. In this study, we introduced responsive EMT sensing circuits, which sense the EMT using specific promoters that respond to transcription factors typical of EMT activation (EMT-TFs). The transcriptional strength of EMT-sensing promoters decreased more than 13-fold in response to the overexpression of the EMT-TF. Then, the NOT gate circuits were built by placing the tetR transcription repressor under the control of EMT sensing promoters and expressed an output signal using the constitutive CMV promoter modified with tetO sites This circuit is named EMT sensing and responding circuits .When the EMT transcription factors was present, we observed a 5.8-fold signal increase in the system. Then, we successfully distinguished mesenchymal breast cancer cells from epithelial cancer cells and repressed the proliferation of EMT tumor cells using our circuits. The EMT sensing and responding circuits are promising tools for the identification of EMT cells, which is crucial for EMT-related disease therapy and investigating the mechanisms underlying the reversible EMT process.
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Affiliation(s)
- Tianying Chen
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Wangyue Jia
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Bo Zhang
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Hanqi Xie
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Qiong Wu
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
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7
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Qattan A. Genomic Alterations Affecting Competitive Endogenous RNAs (ceRNAs) and Regulatory Networks (ceRNETs) with Clinical Implications in Triple-Negative Breast Cancer (TNBC). Int J Mol Sci 2024; 25:2624. [PMID: 38473871 DOI: 10.3390/ijms25052624] [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: 01/16/2024] [Revised: 02/18/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
The concept of competitive endogenous RNA regulation has brought on a change in the way we think about transcriptional regulation by miRNA-mRNA interactions. Rather than the relatively simple idea of miRNAs negatively regulating mRNA transcripts, mRNAs and other non-coding RNAs can regulate miRNAs and, therefore, broad networks of gene products through competitive interactions. While this concept is not new, its significant roles in and implications on cancer have just recently come to light. The field is now ripe for the extrapolation of technologies with a substantial clinical impact on cancer. With the majority of the genome consisting of non-coding regions encoding regulatory RNAs, genomic alterations in cancer have considerable effects on these networks that have been previously unappreciated. Triple-negative breast cancer (TNBC) is characterized by high mutational burden, genomic instability and heterogeneity, making this aggressive breast cancer subtype particularly relevant to these changes. In the past few years, much has been learned about the roles of competitive endogenous RNA network regulation in tumorigenesis, disease progression and drug response in triple-negative breast cancer. In this review, we present a comprehensive view of the new knowledge and future perspectives on competitive endogenous RNA networks affected by genomic alterations in triple-negative breast cancer. An overview of the competitive endogenous RNA (ceRNA) hypothesis and its bearing on cellular function and disease is provided, followed by a thorough review of the literature surrounding key competitive endogenous RNAs in triple-negative breast cancer, the genomic alterations affecting them, key disease-relevant molecular and functional pathways regulated by them and the clinical implications and significance of their dysregulation. New knowledge of the roles of these regulatory mechanisms and the current acceleration of research in the field promises to generate insights into the diagnosis, classification and treatment of triple-negative breast cancer through the elucidation of new molecular mechanisms, therapeutic targets and biomarkers.
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Affiliation(s)
- Amal Qattan
- Department of Molecular Oncology, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
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8
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Moghadam RK, Daraei A, Haddadi M, Mardi A, Karamali N, Rezaiemanesh A. Casting Light on the Janus-Faced HMG-CoA Reductase Degradation Protein 1: A Comprehensive Review of Its Dualistic Impact on Apoptosis in Various Diseases. Mol Neurobiol 2024:10.1007/s12035-024-03994-z. [PMID: 38356096 DOI: 10.1007/s12035-024-03994-z] [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: 12/05/2023] [Accepted: 01/29/2024] [Indexed: 02/16/2024]
Abstract
Nowadays, it is well recognized that apoptosis, as a highly regulated cellular process, plays a crucial role in various biological processes, such as cell differentiation. Dysregulation of apoptosis is strongly implicated in the pathophysiology of numerous disorders, making it essential to comprehend its underlying mechanisms. One key factor that has garnered significant attention in the regulation of apoptotic pathways is HMG-CoA reductase degradation protein 1, also known as HRD1. HRD1 is an E3 ubiquitin ligase located in the endoplasmic reticulum (ER) membrane. Its primary role involves maintaining the quality control of ER proteins by facilitating the ER-associated degradation (ERAD) pathway. During ER stress, HRD1 aids in the elimination of misfolded proteins that accumulate within the ER. Therefore, HRD1 plays a pivotal role in the regulation of apoptotic pathways and maintenance of ER protein quality control. By targeting specific protein substrates and affecting apoptosis-related pathways, HRD1 could be an exclusive therapeutic target in different disorders. Dysregulation of HRD1-mediated processes contributes significantly to the pathophysiology of various diseases. The purpose of this review is to assess the effect of HRD1 on the pathways related to apoptosis in various diseases from a therapeutic perspective.
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Affiliation(s)
- Reihaneh Khaleghi Moghadam
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Daneshgah Street, Shahid Shiroudi Boulevard, PO-Box: 6714869914, Kermanshah, Iran
| | - Arshia Daraei
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Daneshgah Street, Shahid Shiroudi Boulevard, PO-Box: 6714869914, Kermanshah, Iran
| | - Maryam Haddadi
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Daneshgah Street, Shahid Shiroudi Boulevard, PO-Box: 6714869914, Kermanshah, Iran
| | - Amirhossein Mardi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Negin Karamali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Alireza Rezaiemanesh
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Daneshgah Street, Shahid Shiroudi Boulevard, PO-Box: 6714869914, Kermanshah, Iran.
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9
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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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10
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Bao H, Li J, Zhao Q, Yang Q, Xu Y. Circular RNAs in Breast Cancer: An Update. Biomolecules 2024; 14:158. [PMID: 38397395 PMCID: PMC10887059 DOI: 10.3390/biom14020158] [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: 12/14/2023] [Revised: 01/14/2024] [Accepted: 01/24/2024] [Indexed: 02/25/2024] Open
Abstract
Breast cancer (BC), characterized by high heterogeneity, is the most commonly reported malignancy among females across the globe. Every year, many BC patients die owing to delayed diagnosis and treatment. Increasing researches have indicated that aberrantly expressed circular RNAs (circRNAs) are implicated in the tumorigenesis and progression of various tumors, including BC. Hence, this article provides a summary of the biogenesis and functions of circRNAs, as well as an examination of how circRNAs regulate the progression of BC. Moreover, circRNAs have aroused incremental attention as potential diagnostic and prognostic biomarkers for BC. Exosomes enriched with circRNAs can be secreted into the tumor microenvironment to mediate intercellular communication, affecting the progression of BC. Detecting the expression levels of exosomal circRNAs may provide reference for BC diagnosis and prognosis prediction. Illuminating insights into the earlier diagnosis and better treatment regimens of BC will be potentially available following elucidation of deeper regulatory mechanisms of circRNAs in this malignancy.
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Affiliation(s)
- Haolin Bao
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
| | - Jiehan Li
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
| | - Qihang Zhao
- Department of Mammary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
| | - Qingling Yang
- Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, Bengbu 233030, China
| | - Yi Xu
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
- Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, Bengbu 233030, China
- State Key Laboratory of Oncology in South China, Cancer Center of Sun Yat-Sen University, Guangzhou 510060, China
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR 999077, China
- Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
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11
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Wang Y, Qin Z, Chen Y, Zheng Y, Jia L. A Novel LncRNA MASCC1 Regulates the Progression and Metastasis of Head and Neck Squamous Cell Carcinoma by Sponging miR-195. Cancers (Basel) 2023; 15:5792. [PMID: 38136338 PMCID: PMC10741893 DOI: 10.3390/cancers15245792] [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: 11/12/2023] [Revised: 12/02/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
The altered expression of long noncoding RNAs (lncRNAs) is associated with human carcinogenesis. We performed a high-throughput analysis of lncRNA expression in strictly selected pairs of metastatic head and neck squamous cell carcinoma (HNSCC) and non-metastatic HNSCC samples. We identified a novel lncRNA, which was highly expressed in metastatic HNSCC, named Metastasis Associated Squamous Cell Carcinoma 1 (MASCC1), for further study. Using qRT-PCR, we further compared MASCC1 expression in 60 HNSCC samples. The results show that high expression of MASCC1 in patients with HNSCC was related to poor prognosis. In vitro, MASCC1 knockdown (KD) inhibited HNSCC proliferation, migration, invasion, and tumor sphere formation, while promoting apoptosis. In vivo, MASCC1 KD inhibited HNSCC growth and lymph node metastasis. Mechanistically, MASCC1 acted as a competing endogenous RNA (ceRNA) by binding to miR-195, subsequently regulating the expression of Cyclin D1, BCL-2, and YAP1. Moreover, miR-195 overexpression rescued the effects of MASCC1 on the biological behaviors of HNSCC. Taken together, our results suggest that MASCC1 is a novel oncogene that can predict the prognosis of patients with HNSCC and is a potential therapeutic target for HNSCC intervention.
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Affiliation(s)
- Yujia Wang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China; (Y.W.); (Z.Q.); (Y.C.)
| | - Zhen Qin
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China; (Y.W.); (Z.Q.); (Y.C.)
| | - Yiwen Chen
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China; (Y.W.); (Z.Q.); (Y.C.)
| | - Yunfei Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Lingfei Jia
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China; (Y.W.); (Z.Q.); (Y.C.)
- Department of Central Laboratory, Peking University School and Hospital of Stomatology, Beijing 100081, China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing 100081, China
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12
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Dai B, Liu S, Shen W, Chen L, Zhou Q, Han L, Zhang Q, Shan L. Role of SYVN1 in the control of airway remodeling in asthma protection by promoting SIRT2 ubiquitination and degradation. Biol Res 2023; 56:64. [PMID: 38041162 PMCID: PMC10693155 DOI: 10.1186/s40659-023-00478-7] [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: 05/22/2023] [Accepted: 11/20/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Asthma is a heterogenous disease that characterized by airway remodeling. SYVN1 (Synoviolin 1) acts as an E3 ligase to mediate the suppression of endoplasmic reticulum (ER) stress through ubiquitination and degradation. However, the role of SYVN1 in the pathogenesis of asthma is unclear. RESULTS In the present study, an ovalbumin (OVA)-induced murine model was used to evaluate the effect of SYVN1 on asthma. An increase in SYVN1 expression was observed in the lungs of mice after OVA induction. Overexpression of SYVN1 attenuated airway inflammation, goblet cell hyperplasia and collagen deposition induced by OVA. The increased ER stress-related proteins and altered epithelial-mesenchymal transition (EMT) markers were also inhibited by SYVN1 in vivo. Next, TGF-β1-induced bronchial epithelial cells (BEAS-2B) were used to induce EMT process in vitro. Results showed that TGF-β1 stimulation downregulated the expression of SYVN1, and SYVN1 overexpression prevented ER stress response and EMT process in TGF-β1-induced cells. In addition, we identified that SYVN1 bound to SIRT2 and promoted its ubiquitination and degradation. SIRT2 overexpression abrogated the protection of SYVN1 on ER stress and EMT in vitro. CONCLUSIONS These data suggest that SYVN1 suppresses ER stress through the ubiquitination and degradation of SIRT2 to block EMT process, thereby protecting against airway remodeling in asthma.
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Affiliation(s)
- Bing Dai
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Si Liu
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Wenxin Shen
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Li Chen
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Qianlan Zhou
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Lina Han
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Qinzhen Zhang
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China
| | - Lishen Shan
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Shenyang, 110004, China.
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Zabihi MR, Norouzkhani N, Karkhah S, Akhoondian M. Identification of a valuable gene network for the diagnosis and treatment of non-obstructive azoospermia: in-silico analyses - experimental research. Ann Med Surg (Lond) 2023; 85:5941-5951. [PMID: 38098601 PMCID: PMC10718319 DOI: 10.1097/ms9.0000000000001358] [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: 11/17/2022] [Accepted: 09/17/2023] [Indexed: 12/17/2023] Open
Abstract
Introduction Non-obstructive azoospermia (NOA) is an etiology of infertility in men. NOA may have various classifications; however, hypogonadotropic hypogonadism can be regarded as a class of NOA associated with genetic factors. Former studies have shown that noncoding RNA (ncRNA) plays an essential role in NOA incidence, but few studies have been performed on the NOA-related ncRNA interaction network. In the current study, genes, NOA-related microRNA (miRNA), and circular RNA (circRNA) were found by bioinformatics methods to offer a new perspective on NOA treatment. Methods The gonadotropin-releasing hormone receptor (GnRHR)-related protein-protein interaction (PPI) network was extracted by searching in 'string-database'. GO, KEGG, and Enrichr databases were used to identify pathways, molecular function, and biological processing. Four databases, including TargetScan, mirDIP, miRmap, and miRWalk, were used to extract miRNAs. At last, the circ2GO, circBase, and literature were used to identify circRNAs and their genes. Results The current study identified the four proteins associated with the GnRHR signaling; eight shared miRNAs that affect the expression of found proteins and 25 circRNAs and their origin genes that regulate the miRNAs' function. Conclusion The two miRNAs, hsa-miR-134-3p and hsa-miR-513C-3p, the three genes, VCAN, NFATC3, and PRDM5, and their associated circRNAs can perform as a valuable gene network in the diagnosis and treatment of NOA pathogenesis.
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Affiliation(s)
- Mohammad Reza Zabihi
- Laboratory of Complex Biological Systems and Bioinformatics (CBB), Department of Bioinformatics, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran
| | - Narges Norouzkhani
- Department of Medical Informatics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad
| | - Samad Karkhah
- Department of Medical-Surgical Nursing, School of Nursing and Midwifery
- Burn and Regenerative Medicine Research Center
| | - Mohammad Akhoondian
- Department of Physiology, School of Medicine, Cellular and The Molecular Research Center, Guilan University of Medical Science, Rasht, Iran
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14
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Liang K, Guo Z, Zhang S, Chen D, Zou R, Weng Y, Peng C, Xu Z, Zhang J, Liu X, Pang X, Ji Y, Liao D, Lai M, Peng H, Ke Y, Wang Z, Wang Y. GPR37 expression as a prognostic marker in gliomas: a bioinformatics-based analysis. Aging (Albany NY) 2023; 15:10146-10167. [PMID: 37837549 PMCID: PMC10599758 DOI: 10.18632/aging.205063] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 08/21/2023] [Indexed: 10/16/2023]
Abstract
BACKGROUND Gliomas are the most frequently diagnosed primary brain tumors, and are associated with multiple molecular aberrations during their development and progression. GPR37 is an orphan G protein-coupled receptor (GPCR) that is implicated in different physiological pathways in the brain, and has been linked to various malignancies. The aim of this study was to explore the relationship between GPR37 gene expression and the clinicopathological factors, patient prognosis, tumor-infiltrating immune cell signature GSEA and methylation levels in glioma. METHODS We explored the diagnostic value, clinical relevance, and molecular function of GPR37 in glioma using TCGA, STRING, cBioPortal, Tumor Immunity Estimation Resource (TIMER) database and MethSurv databases. Besides, the "ssGSEA" algorithm was conducted to estimate immune cells infiltration abundance, with 'ggplot2' package visualizing the results. Immunohistochemical staining of clinical samples were used to verify the speculations of bioinformatics analysis. RESULTS GPR37 expression was significantly higher in the glioma tissues compared to the normal brain tissues, and was linked to poor prognosis. Functional annotation of GPR37 showed enrichment of ether lipid metabolism, fat digestion and absorption, and histidine metabolism. In addition, GSEA showed that GPR37 was positively correlated to the positive regulation of macrophage derived foam cell differentiation, negative regulation of T cell receptor signaling pathway, neuroactive ligand receptor interaction, calcium signaling pathway, and negatively associated with immunoglobulin complex, immunoglobulin complex circulating, ribosome and spliceosome mediated by circulating immunoglobulin etc. TIMER2.0 and ssGSEA showed that GPR37 expression was significantly associated with the infiltration of T cells, CD8 T cell, eosinophils, macrophages, neutrophils, NK CD56dim cells, NK cells, plasmacytoid DCs (pDCs), T helper cells and T effector memory (Tem) cells. In addition, high GPR37 expression was positively correlated with increased infiltration of M2 macrophages, which in turn was associated with poor prognosis. Furthermore, GPR37 was positively correlated with various immune checkpoints (ICPs). Finally, hypomethylation of the GPR37 promoter was associated with its high expression levels and poor prognosis in glioma. CONCLUSION GPR37 had diagnostic and prognostic value in glioma. The possible biological mechanisms of GPR37 provide novel insights into the clinical diagnosis and treatment of glioma.
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Affiliation(s)
- Kairong Liang
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Zhaoxiong Guo
- Science and Technology Innovation Center, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Shizhen Zhang
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Danmin Chen
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Renheng Zou
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Yuhao Weng
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Chengxiang Peng
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Zhichao Xu
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Jingbai Zhang
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Xiaorui Liu
- Department of Pharmacy, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou 510095, China
| | - Xiao Pang
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Yunxiang Ji
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Degui Liao
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Miaoling Lai
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Huaidong Peng
- Department of Pharmacy, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Yanbin Ke
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Zhaotao Wang
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - Yezhong Wang
- Institute of Neuroscience, Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
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Zhao M, Huang C, Yang L, Pan B, Yang S, Chang J, Jin Y, Zhao G, Yue D, Qie S, Ren L. SYVN1-mediated ubiquitylation directs localization of MCT4 in the plasma membrane to promote the progression of lung adenocarcinoma. Cell Death Dis 2023; 14:666. [PMID: 37816756 PMCID: PMC10564934 DOI: 10.1038/s41419-023-06208-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: 01/12/2023] [Revised: 09/09/2023] [Accepted: 10/02/2023] [Indexed: 10/12/2023]
Abstract
Tumour cells mainly generate energy from glycolysis, which is commonly coupled with lactate production even under normoxic conditions. As a critical lactate transporter, monocarboxylate transporter 4 (MCT4) is highly expressed in glycolytic tissues, such as muscles and tumours. Overexpression of MCT4 is associated with poor prognosis for patients with various tumours. However, how MCT4 function is post-translationally regulated remains largely unknown. Taking advantage of human lung adenocarcinoma (LUAD) cells, this study revealed that MCT4 can be polyubiquitylated in a nonproteolytic manner by SYVN1 E3 ubiquitin ligase. The polyubiquitylation facilitates the localization of MCT4 into the plasma membrane, which improves lactate export by MCT4; in accordance, metabolism characterized by reduced glycolysis and lactate production is effectively reprogrammed by SYVN1 knockdown, which can be reversed by MCT4 overexpression. Biologically, SYVN1 knockdown successfully compromises cell proliferation and tumour xenograft growth in mouse models that can be partially rescued by overexpression of MCT4. Clinicopathologically, overexpression of SYVN1 is associated with poor prognosis in patients with LUAD, highlighting the importance of the SYVN1-MCT4 axis, which performs metabolic reprogramming during the progression of LUAD.
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Affiliation(s)
- Meng Zhao
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Chen Huang
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Lexin Yang
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Boyu Pan
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Department of Molecular Pharmacology, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Shuting Yang
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Jiao Chang
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Yu Jin
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Gang Zhao
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Department of Pathology, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Dongsheng Yue
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Department of Lung Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Shuo Qie
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Department of Pathology, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Li Ren
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China.
- National Clinical Research Center for Cancer, Tianjin, China.
- Key Laboratory of Cancer Prevention and Therapy (Tianjin), Tianjin, China.
- Tianjin's Clinical Research Center for Cancer, Tianjin, China.
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16
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Zepeda-Enríquez P, Silva-Cázares MB, López-Camarillo C. Novel Insights into Circular RNAs in Metastasis in Breast Cancer: An Update. Noncoding RNA 2023; 9:55. [PMID: 37736901 PMCID: PMC10514845 DOI: 10.3390/ncrna9050055] [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: 07/23/2023] [Revised: 08/26/2023] [Accepted: 08/28/2023] [Indexed: 09/23/2023] Open
Abstract
Circular RNAs (circRNAs) are single-stranded closed non-coding RNA molecules that are aberrantly expressed and produce tumor-specific gene signatures in human cancers. They exert biological functions by acting as transcriptional regulators, microRNA sponges, and protein scaffolds, regulating the formation of protein-RNA complexes and, ultimately, regulating gene expression. Triple-negative breast cancer (TNBC) is one of the most aggressive cancers of the mammary gland and has a poor prognosis. Studies of circRNAs in TNBC are limited but have demonstrated these molecules' pivotal roles in cell proliferation, invasion, metastasis, and resistance to chemo/radiotherapy, suggesting that they could be potential prognostic biomarkers and novel therapeutic targets. Here, we reviewed the status of actual knowledge about circRNA biogenesis and functions and summarized novel findings regarding their roles in TNBC development and progression. In addition, we discussed recent data about the importance of exosomes in the transport and export of circRNAs in TNBC. Deep knowledge of circRNA functions in metastasis and therapy responses could be an invaluable guide in the identification of novel therapeutic targets for advancing the treatment of TNBC.
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Affiliation(s)
- Paola Zepeda-Enríquez
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, CDMX 03100, Mexico;
| | - Macrina B. Silva-Cázares
- Coordinación Academica Región Altiplano, Universidad Autónoma de San Luis Potosí, Matehuala 78700, Mexico;
| | - César López-Camarillo
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, CDMX 03100, Mexico;
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Thankan RS, Thomas E, Purushottamachar P, Weber DJ, Ramamurthy VP, Huang W, Kane MA, Njar VCO. VNLG-152R and its deuterated analogs potently inhibit/repress triple/quadruple negative breast cancer of diverse racial origins in vitro and in vivo by upregulating E3 Ligase Synoviolin 1 (SYVN1) and inducing proteasomal degradation of MNK1/2. Front Oncol 2023; 13:1240996. [PMID: 37766871 PMCID: PMC10520556 DOI: 10.3389/fonc.2023.1240996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/17/2023] [Indexed: 09/29/2023] Open
Abstract
Triple-negative breast cancer (TNBC) and its recently identified subtype, quadruple negative breast cancer (QNBC), collectively account for approximately 13% of reported breast cancer cases in the United States. These aggressive forms of breast cancer are associated with poor prognoses, limited treatment options, and lower overall survival rates. In previous studies, our research demonstrated that VNLG-152R exhibits inhibitory effects on TNBC cells both in vitro and in vivo and the deuterated analogs were more potent inhibitors of TNBC cells in vitro. Building upon these findings, our current study delves into the molecular mechanisms underlying this inhibitory action. Through transcriptome and proteome analyses, we discovered that VNLG-152R upregulates the expression of E3 ligase Synoviolin 1 (SYVN1), also called 3-hydroxy-3-methylglutaryl reductase degradation (HRD1) in TNBC cells. Moreover, we provide genetic and pharmacological evidence to demonstrate that SYVN1 mediates the ubiquitination and subsequent proteasomal degradation of MNK1/2, the only known kinases responsible for phosphorylating eIF4E. Phosphorylation of eIF4E being a rate-limiting step in the formation of the eIF4F translation initiation complex, the degradation of MNK1/2 by VNLG-152R and its analogs impedes dysregulated translation in TNBC cells, resulting in the inhibition of tumor growth. Importantly, our findings were validated in vivo using TNBC xenograft models derived from MDA-MB-231, MDA-MB-468, and MDA-MB-453 cell lines, representing different racial origins and genetic backgrounds. These xenograft models, which encompass TNBCs with varying androgen receptor (AR) expression levels, were effectively inhibited by oral administration of VNLG-152R and its deuterated analogs in NRG mice. Importantly, in direct comparison, our compounds are more effective than enzalutamide and docetaxel in achieving tumor growth inhibition/repression in the AR+ MDA-MD-453 xenograft model in mice. Collectively, our study sheds light on the involvement of SYVN1 E3 ligase in the VNLG-152R-induced degradation of MNK1/2 and the therapeutic potential of VNLG-152R and its more potent deuterated analogs as promising agents for the treatment of TNBC across diverse patient populations.
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Affiliation(s)
- Retheesh S. Thankan
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, United States
- The Center for Biomolecular Therapeutics, University of Maryland School of Medicine, Baltimore, MD, United States
- Isoprene Pharmaceuticals, Inc., Baltimore, MD, United States
| | - Elizabeth Thomas
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, United States
- The Center for Biomolecular Therapeutics, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Puranik Purushottamachar
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, United States
- The Center for Biomolecular Therapeutics, University of Maryland School of Medicine, Baltimore, MD, United States
| | - David J. Weber
- The Center for Biomolecular Therapeutics, University of Maryland School of Medicine, Baltimore, MD, United States
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, United States
| | | | - Weiliang Huang
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States
| | - Maureen A. Kane
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States
| | - Vincent C. O. Njar
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, United States
- The Center for Biomolecular Therapeutics, University of Maryland School of Medicine, Baltimore, MD, United States
- Isoprene Pharmaceuticals, Inc., Baltimore, MD, United States
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
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Li J, Li X, Zhou S, Wang Y, Ying T, Wang Q, Wu Y, Zhao F. Circular RNA circARPC1B functions as a stabilisation enhancer of Vimentin to prevent high cholesterol-induced articular cartilage degeneration. Clin Transl Med 2023; 13:e1415. [PMID: 37740460 PMCID: PMC10517209 DOI: 10.1002/ctm2.1415] [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: 05/16/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/24/2023] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a prevalent and debilitating condition, that is, directly associated with cholesterol metabolism. Nevertheless, the molecular mechanisms of OA remain largely unknown, and the role of cholesterol in this process has not been thoroughly investigated. This study aimed to investigate the role of a novel circular RNA, circARPC1B in the relationship between cholesterol and OA progression. METHODS We measured total cholesterol (TC) levels in the synovial fluid of patients with or without OA to determine the diagnostic role of cholesterol in OA. The effects of cholesterol were explored in human and mouse chondrocytes in vitro. An in vivo OA model was also established in mice fed a high-cholesterol diet (HCD) to explore the role of cholesterol in OA. RNAseq analysis was used to study the influence of cholesterol on circRNAs in chondrocytes. The role of circARPC1B in the OA development was verified through circARPC1B overexpression and knockdown. Additionally, RNA pulldown assays and RNA binding protein immunoprecipitation were used to determine the interaction between circARPC1B and Vimentin. CircARPC1B adeno-associated virus (AAV) was used to determine the role of circARPC1B in cholesterol-induced OA. RESULTS TC levels in synovial fluid of OA patients were found to be elevated and exhibited high sensitivity and specificity as predictors of OA diagnosis. Moreover, elevated cholesterol accelerated OA progression. CircARPC1B was downregulated in chondrocytes treated with cholesterol and played a crucial role in preserving the extracellular matrix (ECM). Mechanistically, circARPC1B is competitively bound to the E3 ligase synoviolin 1 (SYVN1) binding site on Vimentin, inhibiting the proteasomal degradation of Vimentin. Furthermore, circARPC1B AAV infection alleviates Vimentin degradation and OA progression caused by high cholesterol. CONCLUSIONS These findings indicate that the cholesterol-circARPC1B-Vimentin axis plays a crucial role in OA progression, and circARPC1B gene therapy has the opportunity to provide a potential therapeutic approach for OA.
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Affiliation(s)
- Jiarui Li
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Xiang Li
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Shengji Zhou
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Yuxin Wang
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Tiantian Ying
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Quan Wang
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Yizheng Wu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang UniversitySchool of MedicineHangzhouChina
| | - Fengchao Zhao
- Department of Orthopaedic Surgery, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
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Palcau AC, Brandi R, Mehterov NH, Botti C, Blandino G, Pulito C. Exploiting Long Non-Coding RNAs and Circular RNAs as Pharmacological Targets in Triple-Negative Breast Cancer Treatment. Cancers (Basel) 2023; 15:4181. [PMID: 37627209 PMCID: PMC10453179 DOI: 10.3390/cancers15164181] [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: 07/04/2023] [Revised: 08/13/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Breast cancer is one of the most frequent causes of cancer death among women worldwide. In particular, triple-negative breast cancer (TNBC) represents the most aggressive breast cancer subtype because it is characterized by the absence of molecular targets, thus making it an orphan type of malignancy. The discovery of new molecular druggable targets is mandatory to improve treatment success. In that context, non-coding RNAs represent an opportunity for modulation of cancer. They are RNA molecules with apparently no protein coding potential, which have been already demonstrated to play pivotal roles within cells, being involved in different processes, such as proliferation, cell cycle regulation, apoptosis, migration, and diseases, including cancer. Accordingly, they could be used as targets for future TNBC personalized therapy. Moreover, the peculiar characteristics of non-coding RNAs make them reliable biomarkers to monitor cancer treatment, thus, to monitor recurrence or chemoresistance, which are the most challenging aspects in TNBC. In the present review, we focused on the oncogenic or oncosuppressor role of long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) mostly involved in TNBC, highlighting their mode of action and depicting their potential role as a biomarker and/or as targets of new non-coding RNA-based therapeutics.
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Affiliation(s)
- Alina Catalina Palcau
- Translational Oncology Research Unit, Department of Research, Advanced Diagnostic and Technological Innovation, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (A.C.P.); (R.B.); (G.B.)
| | - Renata Brandi
- Translational Oncology Research Unit, Department of Research, Advanced Diagnostic and Technological Innovation, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (A.C.P.); (R.B.); (G.B.)
| | - Nikolay Hristov Mehterov
- Department of Medical Biology, Medical University-Plovdiv, 4002 Plovdiv, Bulgaria;
- Research Institute, Medical University-Plovdiv, 4002 Plovdiv, Bulgaria
| | - Claudio Botti
- Breast Surgery Unit, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy;
| | - Giovanni Blandino
- Translational Oncology Research Unit, Department of Research, Advanced Diagnostic and Technological Innovation, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (A.C.P.); (R.B.); (G.B.)
| | - Claudio Pulito
- Translational Oncology Research Unit, Department of Research, Advanced Diagnostic and Technological Innovation, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (A.C.P.); (R.B.); (G.B.)
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Niu Y, Fan L, Shi X, Wu J, Wang T, Hou X. Circ_0001715 accelerated lung adenocarcinoma process by the miR-1322/CANT1 axis. Diagn Pathol 2023; 18:91. [PMID: 37553672 PMCID: PMC10408075 DOI: 10.1186/s13000-023-01348-2] [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: 07/28/2022] [Accepted: 04/25/2023] [Indexed: 08/10/2023] Open
Abstract
Lung adenocarcinoma (LUAD) is a type of lung cancer, which belongs to non-small cell lung cancer and has seriously endangered the physical and mental health of people. The study of circRNAs (circRNAs) has been increasingly hot in recent years, in which circRNAs also play an important regulatory role in cancer. The aim of this study was to investigate the biological molecular mechanisms of circ_0001715 in the progression of LUAD. The expression of circ_0001715, miR-1322 and calcium-activated nucleotidase 1 (CANT1) in LUAD tissues and cell lines was assessed by quantitative reverse transcription PCR (RT-qPCR) and western bot assay. Clone formation assay, 5-Ethynyl-2'-Deoxyuridine (EDU) assay and wound healing assay were used to verify the proliferation ability of cells. Dual-luciferase reporter assay and RNA pull-down assay were performed to characterize the interactions between the three factors. Finally, a mouse tumor model was constructed to assess the tumorigenicity of circ_0001715. RT-qPCR assay results showed that circ_0001715 expression was significantly increased in LUAD tissues and cell lines. Finally, knockdown of circ_0001715 could inhibit tumor growth in vivo. Circ_0001715 regulated the progression of LUAD through the miR-1322/CANT1 axis. The results of this study provided ideas for understanding the molecular mechanisms of circ_0001715 in LUAD.
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Affiliation(s)
- Yue Niu
- Department of Oncology, Bayannur Hospital, No.98 Ulanbuhe Road, Linhe District, Bayannaoer City, Inner Mongolia Province, 015000, PR China
| | - Lina Fan
- Department of Oncology, Bayannur Hospital, No.98 Ulanbuhe Road, Linhe District, Bayannaoer City, Inner Mongolia Province, 015000, PR China
| | - Xiaoyu Shi
- Department of Oncology, Bayannur Hospital, No.98 Ulanbuhe Road, Linhe District, Bayannaoer City, Inner Mongolia Province, 015000, PR China
| | - Jia Wu
- Department of Oncology, Bayannur Hospital, No.98 Ulanbuhe Road, Linhe District, Bayannaoer City, Inner Mongolia Province, 015000, PR China
| | - Tengqi Wang
- Department of Gastrointestinal Surgery, Bayannur Hospital, No.98 Ulanbuhe Road, Linhe District, Bayannaoer City, Inner Mongolia Province, 015000, PR China.
| | - Xiaofeng Hou
- Department of Oncology, Bayannur Hospital, No.98 Ulanbuhe Road, Linhe District, Bayannaoer City, Inner Mongolia Province, 015000, PR China.
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21
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Liu Y, Cui J, Zhang J, Chen Z, Song Z, Bao D, Xiang R, Li D, Yang Y. Excess KLHL24 Impairs Skin Wound Healing through the Degradation of Vimentin. J Invest Dermatol 2023; 143:1289-1298.e15. [PMID: 36716923 DOI: 10.1016/j.jid.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 12/14/2022] [Accepted: 01/07/2023] [Indexed: 01/30/2023]
Abstract
Start codon variants in ubiquitin ligase KLHL24 lead to a gain-of-function mutant KLHL24-ΔN28, which mediates the excessive degradation of keratin 15, desmin, and keratin 14, resulting in alopecia, cardiopathy, and epidermolysis bullosa syndrome. Patients with alopecia, cardiopathy, and epidermolysis bullosa syndrome normally present atrophic scars after wounds heal, which is rare in KRT14-related epidermolysis bullosa. The mechanisms underlying the formation of atrophic scars in epidermolysis bullosa of patients with alopecia, cardiopathy, and epidermolysis bullosa syndrome remain unclear. This study showed that KLHL24-ΔN28 impaired skin wound healing by excessively degrading vimentin. Heterozygous Klhl24c.3G>T knock-in mice displayed delayed wound healing and decreased wound collagen deposition. We identified vimentin as an unreported substrate of KLHL24. KLHL24-ΔN28 mediated the excessive degradation of vimentin, which failed to maintain efficient fibroblast proliferation and activation during wound healing. Furthermore, by mediating vimentin degradation, KLHL24 can hinder myofibroblast activation, which attenuated bleomycin-induced skin fibrosis. These findings showed the function of KLHL24 in regulating tissue remodeling, atrophic scarring, and fibrosis.
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Affiliation(s)
- Yihe Liu
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China
| | - Jun Cui
- Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses and National Clinical Research Center for Skin and Immune Diseases, Beijing, China
| | - Jing Zhang
- Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses and National Clinical Research Center for Skin and Immune Diseases, Beijing, China
| | - Zhiming Chen
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China
| | - Zhongya Song
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China
| | - Dan Bao
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Ruiyu Xiang
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China
| | - Dongqing Li
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China
| | - Yong Yang
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China.
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22
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Ma J, Chen C, Fan Z, Zhang Y, Ji J, Wei D, Zhang F, Sun B, Huang P, Ren L. CircEGFR reduces the sensitivity of pirarubicin and regulates the malignant progression of triple-negative breast cancer via the miR-1299/EGFR axis. Int J Biol Macromol 2023:125295. [PMID: 37302631 DOI: 10.1016/j.ijbiomac.2023.125295] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/04/2023] [Accepted: 06/07/2023] [Indexed: 06/13/2023]
Abstract
Circular RNAs (circRNAs) have been found to be involved in cancer progression and chemotherapy sensitivity. However, the biological function of circRNAs in triple-negative breast cancer (TNBC) and its effect on the sensitivity to pirarubicin (THP) chemotherapy are still unclear. CircEGFR (hsa_circ_0080220) was screened and verified by bioinformatics analysis, proving it was highly expressed in TNBC cell lines, patient tissues, and plasma exosomes, and was associated with poor prognosis of patients. The expression level of circEGFR in patient tissue has potential diagnostic value to distinguish TNBC tissue from normal breast tissue. In vitro studies confirmed that overexpression of circEGFR promoted the proliferation, migration, invasion, and EMT of TNBC cells and decreased the sensitivity of THP treatment while silencing circEGFR showed the opposite effect. The circEGFR/miR-1299/EGFR pathway was cascaded and verified. CircEGFR regulated malignant progression of TNBC by regulating EGFR via sponging miR-1299. THP can inhibit the malignant phenotype of MDA-MB-231 cells by downregulating the expression of circEGFR. In vivo studies confirmed that overexpression of circEGFR can promote tumor growth and EMT and reduce tumor sensitivity to THP treatment. Silencing circEGFR inhibited the malignant progression of the tumor. These results revealed circEGFR is a promising biomarker for TNBC diagnosis, therapeutic and prognosis.
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Affiliation(s)
- Jiulong Ma
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China
| | - Chen Chen
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China
| | - Zhimin Fan
- General Surgery Center, Department of Breast Surgery, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Yang Zhang
- Department of Rehabilitation Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jiahua Ji
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China
| | - Dexian Wei
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China
| | - Fan Zhang
- General Surgery Center, Department of Breast Surgery, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Bo Sun
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China
| | - Peng Huang
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China
| | - Liqun Ren
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, China.
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23
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Wang Y, Wang S, Zhang W. HRD1 functions as a tumor suppressor in ovarian cancer by facilitating ubiquitination-dependent SLC7A11 degradation. Cell Cycle 2023; 22:1116-1126. [PMID: 36809917 PMCID: PMC10081055 DOI: 10.1080/15384101.2023.2178102] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/15/2022] [Accepted: 01/05/2023] [Indexed: 02/24/2023] Open
Abstract
The E3 ubiquitin ligase 3-hydroxy-3-methylglutaryl reductase degradation (HRD1) was found to be a tumor suppressor in diverse types of cancers; we aimed to explore its expression pattern and biological function in ovarian cancer (OC). HRD1 expression in OC tumor tissues was detected using quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemistry (IHC). The overexpression plasmid of HRD1 was transfected into OC cells. Cell proliferation, colony formation, and apoptosis were analyzed using bromodeoxy uridineassay, colony formation assay, and flow cytometry, respectively. OC mice models were established to explore the effect of HRD1 on OC in vivo. Ferroptosis was evaluated by malondialdehyde, reactive oxygen species, and intracellular ferrous iron. Expressions offerroptosis-related factors were examined using qRT-PCR and western blot. Erastin and Fer-1 were, respectively, employed to promote or inhibit ferroptosis in OC cells. Online bioinformatics tool and co-immunoprecipitation assay were performed to predict and verify the interactive genes of HRD1 in OC cells, respectively. Gain-of-function studies were carried out to determine the roles of HRD1 in cell proliferation, apoptosis, and ferroptosis in vitro. HRD1 was under-expressed in OC tumor tissues. The overexpression of HRD1 inhibited OC cell proliferation and colony formation in vitro and suppressed OC tumor growth in vivo. The overexpression of HRD1 promoted cell apoptosis and ferroptosis in OC cell lines. HRD1 interacted with the solute carrier family 7 member 11 (SLC7A11) in OC cells, and HRD1 regulated the stability and ubiquitination in OC. SLC7A11 overexpression recovered the effect of HRD1 overexpression in OC cell lines. HRD1 inhibited tumor formation and promoted ferroptosis in OC through enhancing SLC7A11 degradation.
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Affiliation(s)
- Yanyan Wang
- Department of obstetrics and gynecology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Shanfeng Wang
- Department of obstetrics and gynecology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Wenjuan Zhang
- Department of obstetrics and gynecology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
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24
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Liu S, Su Y, Lu Z, Zou X, Xu L, Teng Y, Wang Z, Wang T. The SFTSV Nonstructural Proteins Induce Autophagy to Promote Viral Replication via Interaction with Vimentin. J Virol 2023; 97:e0030223. [PMID: 37039677 PMCID: PMC10134822 DOI: 10.1128/jvi.00302-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 03/20/2023] [Indexed: 04/12/2023] Open
Abstract
Severe fever with thrombocytopenia syndrome virus (SFTSV) is a newly identified phlebovirus associated with severe hemorrhagic fever in humans. Studies have shown that SFTSV nucleoprotein (N) induces BECN1-dependent autophagy to promote viral assembly and release. However, the function of other SFTSV proteins in regulating autophagy has not been reported. In this study, we identify SFTSV NSs, a nonstructural protein that forms viroplasm-like structures in the cytoplasm of infected cells as the virus component mediating SFTSV-induced autophagy. We found that SFTSV NSs-induced autophagy was inclusion body independent, and most phenuivirus NSs had autophagy-inducing effects. Unlike N protein-induced autophagy, SFTSV NSs was key in regulating autophagy by interacting with the host's vimentin in an inclusion body-independent manner. NSs interacted with vimentin and induced vimentin degradation through the K48-linked ubiquitin-proteasome pathway. This negatively regulating Beclin1-vimentin complex formed and promoted autophagy. Furthermore, we identified the NSs-binding domain of vimentin and found that overexpression of wild-type vimentin antagonized the induced effect of NSs on autophagy and inhibited viral replication, suggesting that vimentin is a potential antiviral target. The present study shows a novel mechanism through which SFTSV nonstructural protein activates autophagy, which provides new insights into the role of NSs in SFTSV infection and pathogenesis. IMPORTANCE Severe fever with thrombocytopenia syndrome virus (SFTSV) is a newly emerging tick-borne pathogen that causes multifunctional organ failure and even death in humans. As a housekeeping mechanism for cells to maintain steady state, autophagy plays a dual role in viral infection and the host's immune response. However, the relationship between SFTSV infection and autophagy has not been described in detail yet. Here, we demonstrated that SFTSV infection induced complete autophagic flux and facilitated viral proliferation. We also identified a key mechanism underlying NSs-induced autophagy, in which NSs interacted with vimentin to inhibit the formation of the Beclin1-vimentin complex and induced vimentin degradation through K48-linked ubiquitination modification. These findings may help us understand the new functions and mechanisms of NSs and may aid in the identification of new antiviral targets.
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Affiliation(s)
- Sihua Liu
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Yazhi Su
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Zhuozhuang Lu
- National Institute for Viral Disease Control and Prevention, CDC, Beijing, China
| | - Xiaohui Zou
- National Institute for Viral Disease Control and Prevention, CDC, Beijing, China
| | - Leling Xu
- School of Life Sciences, Tianjin University, Tianjin, China
| | - Yue Teng
- State Key Laboratory of Pathogen and Biosecurity Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
| | - Zhiyun Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin, China
| | - Tao Wang
- School of Life Sciences, Tianjin University, Tianjin, China
- Institute of Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, Tianjin, China
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25
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Zeng C, Guo J, Wu J, Che T, Huang X, Liu H, Lin Z. HRD1 Promotes Non-small Cell Lung Carcinoma Metastasis by Blocking Autophagy-mediated MIEN1 Degradation. J Biol Chem 2023; 299:104723. [PMID: 37075843 DOI: 10.1016/j.jbc.2023.104723] [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: 12/28/2022] [Revised: 04/08/2023] [Accepted: 04/10/2023] [Indexed: 04/21/2023] Open
Abstract
Dysregulation of autophagy has been implicated in the development of many diseases, including cancer. Here, we revealed a novel function of the E3 ubiquitin ligase HRD1 in non-small cell lung carcinoma (NSCLC) metastasis by regulating autophagy. Mechanistically, HRD1 inhibits autophagy by promoting ATG3 ubiquitination and degradation. Additionally, a pro-migratory and invasive factor, MIEN1 (migration and invasion enhancer 1), was found to be autophagically degraded upon HRD1 deficiency. Importantly, both HRD1 and MIEN1 expression are upregulated and positively correlated in lung tumors. Based on these results, we proposed a novel mechanism of HRD1 function that the degradation of ATG3 protein by HRD1 leads to autophagy inhibition and MIEN1 release, thus promoting NSCLC metastasis. Therefore, our findings provided new insights into the role of HRD1 in NSCLC metastasis and new therapeutic targets for lung cancer treatment.
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Affiliation(s)
- Cheng Zeng
- School of Life Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Jing Guo
- Affiliated Three Gorges Central Hospital of Chongqing University, Chongqing, P. R. China
| | - Jiajia Wu
- School of Life Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Tiantian Che
- School of Life Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Xiaoping Huang
- Affiliated Three Gorges Central Hospital of Chongqing University, Chongqing, P. R. China
| | - Huawen Liu
- Affiliated Three Gorges Central Hospital of Chongqing University, Chongqing, P. R. China.
| | - Zhenghong Lin
- School of Life Sciences, Chongqing University, Chongqing 401331, P.R. China.
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26
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Wu C, Cao X, Xu J, Wang L, Huang J, Wen J, Wang X, Sang X, Zhu W, Yao Y, Zhou C, Huang F, Wang M. Hsa_circ_0073453 modulates IL-8 secretion by GC-MSCs to promote gastric cancer progression by sponging miR-146a-5p. Int Immunopharmacol 2023; 119:110121. [PMID: 37044033 DOI: 10.1016/j.intimp.2023.110121] [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: 11/17/2022] [Revised: 03/13/2023] [Accepted: 03/27/2023] [Indexed: 04/14/2023]
Abstract
Gastric cancer associated mesenchymal stem cells (GC-MSCs) have been demonstrated to promote gastric cancer progression in a paracrine manner. IL-8 is highly secreted by GC-MSCs and is crucial for their oncogenic function. However, the mechanism underlying the modulation of IL-8 secretion by GC-MSCs has not been well elucidated. In this study, Shbio-human ceRNA array was used to identify dysregulated mRNAs and circRNAs between GC-MSCs and bone marrow derived mesenchymal stem cells (BM-MSCs). IL-8 was validated to be a critical paracrine cytokine for GC-MSCs promoting migration and invasion of gastric cancer cells. circ_0073453 was identified as a novel GC-MSC-derived circRNA which acted as a sponge of miR-146a-5p, thus increasing IL-8 expression and secretion to promote gastric cancer cell metastasis. Furthermore, circ_0073453 modulated IL-8 secretion by GC-MSCs to enhance gastric cancer cells PD-L1 expression to resist cytotoxic CD8+ T cell-killing. circ_0073453/miR-146a-5p/IL-8 axis was deregulated in gastric cancer tissues and associated with prognosis depending on MSC abundance in cancer tissues. Taken together, our findings suggest that circ_0073453/miR-146a-5p/IL-8 axis is critical for GC-MSCs promoting gastric cancer progression. Hence, hsa_circ_0073453 may be a potential therapeutic target for gastric cancer.
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Affiliation(s)
- Chen Wu
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Xiaoli Cao
- Department of Laboratory Medicine, Affiliated Tumor Hospital of Nantong University, Nantong, Jiangsu Province, PR China
| | - Juan Xu
- Department of Laboratory Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, Jiangsu Province, PR China
| | - Lin Wang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Jiaying Huang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Jing Wen
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Xiang Wang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Xiao Sang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Wei Zhu
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China
| | - Yongliang Yao
- Department of Clinical Laboratory, Affiliated Kunshan Hospital of Jiangsu University, Suzhou, Jiangsu Province, PR China
| | - Chenglin Zhou
- Department of Laboratory Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, Jiangsu Province, PR China
| | - Feng Huang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China; Department of Clinical Laboratory, Affiliated Kunshan Hospital of Jiangsu University, Suzhou, Jiangsu Province, PR China; Department of Clinical Laboratory, Maternal and Child Health Care Hospital of Kunshan, Suzhou, Jiangsu Province, PR China.
| | - Mei Wang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, PR China.
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Wang B, Chen H, Deng Y, Chen H, Xing L, Guo Y, Wang M, Chen J. CircDNAJC11 interacts with TAF15 to promote breast cancer progression via enhancing MAPK6 expression and activating the MAPK signaling pathway. J Transl Med 2023; 21:186. [PMID: 36895010 PMCID: PMC9999642 DOI: 10.1186/s12967-023-04020-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/26/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Breast cancer (BC) is a common malignant tumor in women worldwide. Circular RNA (circRNA) has been proven to play a critical role in BC progression. However, the exact biological functions and underlying mechanisms of circRNAs in BC remain largely unknown. METHODS Here, we first screened for differentially expressed circRNAs in 4 pairs of BC tissues and adjacent non-tumor tissues using a circRNA microarray. Functionally, gain- and loss-of-function experiments in vitro and in vivo showed that circDNAJC11 promoted BC cell proliferation, migration, invasion, and tumor growth. Mechanistically, RNA pull-down, mass spectrum, RNA immunoprecipitation, fluorescence in situ hybridization assays, and rescue experiments were executed. RESULTS We found that circDNAJC11 was significantly upregulated in triple-negative breast cancer tissues and cells. Clinical data revealed that the high expression of circDNAJC11 was closely correlated with a poor prognosis of BC patients and could be an independent risk factor for BC prognosis. Functionally, gain- and loss-of-function experiments in vitro and in vivo showed that circDNAJC11 promoted BC cell proliferation, migration, invasion, and tumor growth. Mechanistically, RNA pull-down, mass spectrum, RNA immunoprecipitation, fluorescence in situ hybridization assays, and rescue experiments were executed. We demonstrated that circDNAJC11 combined with TAF15 to promote BC progression via stabilizing MAPK6 mRNA and activating the MAPK signaling pathway. CONCLUSIONS The circDNAJC11/TAF15/MAPK6 axis played a crucial role in the progression and development of BC, suggesting that circDNAJC11 might be a novel biomarker and therapeutical target for BC.
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Affiliation(s)
- Bin Wang
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China.,Department of Oncology, Daping Hospital of Army Medical University, 10 Changjiang Branch Road, Chongqing, 400042, People's Republic of China
| | - Hang Chen
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China.,Institute of Hepatopancreatobiliary Surgery, Chongqing General Hospital, 118 Xingguang Road, Chongqing, 401147, People's Republic of China
| | - Yumei Deng
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China
| | - Hong Chen
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China
| | - Lei Xing
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China
| | - Yuping Guo
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China
| | - Min Wang
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China
| | - Junxia Chen
- Department of Cell Biology and Genetics, Chongqing Medical University, 1 Yixueyuan Road, Chongqing, 400016, People's Republic of China.
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28
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Shen BJ, Yang YF, Zhang XX. Hsa_circ_0001925 promotes malignant progression in triple-negative breast cancer via miR-1299/YY1 axis. Thorac Cancer 2023; 14:746-757. [PMID: 36754085 PMCID: PMC10008682 DOI: 10.1111/1759-7714.14803] [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: 11/28/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) are related to the pathogenesis and progression of triple-negative breast cancer (TNBC). The aim of this study was to investigate the role and mechanism of hsa_circ_0001925 in TNBC progression. METHODS Hsa_circ_0001925, microRNA (miR)-1299 and Yin Yang 1 (YY1) levels were examined in TNBC via reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blot. Cell counting kit-8 (CCK-8), colony formation, 5-ethynyl-2'-deoxyuridine (EdU) staining, flow cytometry, wound healing assay and tube formation assay were conducted to estimate the effects of hsa_circ_0001925 on malignant phenotypes of TNBC tumors. Several protein levels were measured with western blot. The regulatory relationship between miR-1299 and hsa_circ_0001925 or YY1 was validated using a dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. Xenograft assay was used to estimate the effect of hsa_circ_0001925 in TNBC in vivo. RESULTS Hsa_circ_0001925 and YY1 levels were upregulated, while miR-1299 abundance was downregulated in TNBC tissues and cells. Hsa_circ_0001925 silencing constrained cell proliferation, migration and angiogenesis whereas it promoted apoptosis in vitro, and hsa_circ_0001925 silencing significantly curbed xenograft tumor growth in vivo. Hsa_circ_0001925 acted as a miRNA sponge for miR-1299. Hsa_circ_0001925 decreased YY1 expression by sponging miR-1299. MiR-1299 downregulation alleviated the effects of hsa_circ_0001925 knockdown on BC progression. MiR-1299 interacted with the 3' untranslated region (3' UTR) of YY1, and YY1 overexpression partly reversed the effects of miR-1299 overexpression on BC progression. CONCLUSION Our findings showed that hsa_circ_0001925 mediated TNBC progression via regulating miR-1299/YY1 axis, providing a potential target for BC treatment.
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Affiliation(s)
- Bin-Jie Shen
- Department of Thyroid and Breast Surgery, The First People's Hospital of Linping District, Hangzhou, China
| | - Yi-Fei Yang
- Department of Thyroid and Breast Surgery, The First People's Hospital of Linping District, Hangzhou, China
| | - Xiu-Xia Zhang
- Department of Thyroid and Breast Surgery, The First People's Hospital of Linping District, Hangzhou, China
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Weidle UH, Birzele F. Triple-negative Breast Cancer: Identification of circRNAs With Efficacy in Preclinical In Vivo Models. Cancer Genomics Proteomics 2023; 20:117-131. [PMID: 36870692 PMCID: PMC9989670 DOI: 10.21873/cgp.20368] [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: 11/21/2022] [Revised: 12/19/2022] [Accepted: 01/20/2023] [Indexed: 03/06/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer with insufficient options for therapy. In order to identify new targets and treatment modalities we searched the literature for circular RNAs (circRNAs) which mediate efficacy in TNBC-related in vivo preclinical models. In addition to 5 down-regulated circRNAs which modulate tumor-suppressive pathways, we identified 15 up-regulated circRNAs. Down- and up-regulated refers to expression in corresponding non-transformed cells and tissues. The up-regulated circRNAs comprise five transmembrane receptors and secreted proteins as targets, five transcription factors and transcription-associated targets, four cell-cycle related circRNAs and one involved in paclitaxel resistance. In this review article we discuss drug-discovery related aspects and modalities of therapeutic intervention. Down-regulated circRNAs can be reconstituted by re-expression of corresponding circRNAs in tumor cells or up-regulation of corresponding targets. Up-regulated circRNAs can be inhibited by small-interfering RNA (siRNA) or short hairpin RNA (shRNA)-based approaches or inhibition of the corresponding targets with small molecules or antibody-related moieties.
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Affiliation(s)
- Ulrich H Weidle
- Roche Pharma Research and Development, Roche Innovation Center, Penzberg, Germany;
| | - Fabian Birzele
- Roche Pharma Research and Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Basel, Switzerland
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30
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Dawoud A, Ihab Zakaria Z, Hisham Rashwan H, Braoudaki M, Youness RA. Circular RNAs: New layer of complexity evading breast cancer heterogeneity. Noncoding RNA Res 2023; 8:60-74. [PMID: 36380816 PMCID: PMC9637558 DOI: 10.1016/j.ncrna.2022.09.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/04/2022] [Accepted: 09/30/2022] [Indexed: 11/23/2022] Open
Abstract
Advances in high-throughput sequencing techniques and bioinformatic analysis have refuted the "junk" RNA hypothesis that was claimed against non-coding RNAs (ncRNAs). Circular RNAs (circRNAs); a class of single-stranded covalently closed loop RNA molecules have recently emerged as stable epigenetic regulators. Although the exact regulatory role of circRNAs is still to be clarified, it has been proven that circRNAs could exert their functions by interacting with other ncRNAs or proteins in their own physiologically authentic environment, regulating multiple cellular signaling pathways and other classes of ncRNAs. CircRNAs have also been reported to exhibit a tissue-specific expression and have been associated with the malignant transformation process of several hematological and solid malignancies. Along this line of reasoning, this review aims to highlight the importance of circRNAs in Breast Cancer (BC), which is ranked as the most prevalent malignancy among females. Notwithstanding the substantial efforts to develop a suitable anticancer therapeutic regimen against the heterogenous BC, inter- and intra-tumoral heterogeneity have resulted in an arduous challenge for drug development research, which in turn necessitates the investigation of other markers to be therapeutically targeted. Herein, the potential of circRNAs as possible diagnostic and prognostic biomarkers have been highlighted together with their possible application as novel therapeutic targets.
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Affiliation(s)
- Alyaa Dawoud
- Molecular Genetics Research Team (MGRT), Pharmaceutical Biology Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, 11835, Cairo, Egypt
- Biochemistry Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, 11835, Cairo, Egypt
| | - Zeina Ihab Zakaria
- Molecular Genetics Research Team (MGRT), Pharmaceutical Biology Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, 11835, Cairo, Egypt
| | - Hannah Hisham Rashwan
- Molecular Genetics Research Team (MGRT), Pharmaceutical Biology Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, 11835, Cairo, Egypt
| | - Maria Braoudaki
- Clinical, Pharmaceutical, and Biological Science Department, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, AL10 9AB, UK
| | - Rana A. Youness
- Molecular Genetics Research Team (MGRT), Pharmaceutical Biology Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, 11835, Cairo, Egypt
- Clinical, Pharmaceutical, and Biological Science Department, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, AL10 9AB, UK
- Biology and Biochemistry Department, School of Life and Medical Sciences, University of Hertfordshire hosted By Global Academic Foundation, New Administrative Capital, 11586, Cairo, Egypt
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31
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Circ-CPSF1 Worsens Radiation-Induced Oxidative Stress Injury in Caenorhabditis elegans. Biomolecules 2023; 13:biom13010102. [PMID: 36671487 PMCID: PMC9856148 DOI: 10.3390/biom13010102] [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: 10/21/2022] [Revised: 12/06/2022] [Accepted: 12/27/2022] [Indexed: 01/06/2023] Open
Abstract
Radioactive substances have been used in various aspects in daily life. However, high-energy radiation could cause environmental problems, which would damage the human body. Circular RNA (CircRNA) has great potential in the minimization of ionizing radiation damage. To find a potential diagnostic and therapeutic target for reducing the damage of ionizing radiation, we selected circRNA cleavage and polyadenylation specificity factor subunit 1 (circ-CPSF1) based on its up-regulated expression after X-ray radiation and explored its effect on response to ionizing radiation using Caenorhabditis elegans (C. elegans). Circ-CPSF1 was screened out and its up-regulated expression was verified. The measurement of lifespan and germ cell apoptosis showed that circ-CPSF1 RNAi treatment extended lifespan and reduced apoptotic germ cells. ROS levels were significantly reduced after the interference of circ-CPSF1 in C. elegans with radiation. Mitochondrial membrane potential assay showed that the suppression of circ-CPSF1 could alleviate mitochondrial damage after radiation. Relative genes expression showed the involvement of circ-CPSF1 in radiation mediated DNA damage response pathways and apoptosis pathways. In conclusion, circ-CPSF1 exerts deleterious effects on lifespan, eggs production and germ cell apoptosis of C. elegans through oxidative stress, the DNA damage response (DDR) pathway, and the core apoptotic pathway after ionizing radiation, indicating the potential of circ-CPSF1 to be an important therapeutic target of radiation damage.
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32
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Wang Z, Deng H, Jin Y, Luo M, Huang J, Wang J, Zhang K, Wang L, Zhou J. Circular RNAs: biology and clinical significance of breast cancer. RNA Biol 2023; 20:859-874. [PMID: 37882644 PMCID: PMC10730165 DOI: 10.1080/15476286.2023.2272468] [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] [Accepted: 10/08/2023] [Indexed: 10/27/2023] Open
Abstract
Circular RNAs (circRNAs) are novel noncoding RNAs with covalently closed-loop structures that can regulate eukaryotic gene expression. Due to their stable structure, circRNAs are widely distributed in the cytoplasm and have important biological functions, including as microRNA sponges, RNA-binding protein conjugates, transcription regulators, and translation templates. Breast cancer is among the most common malignant cancers diagnosed in women worldwide. Despite the development of comprehensive treatments, breast cancer still has high mortality rates. Recent studies have unmasked critical roles for circRNAs in breast cancer as regulators of tumour initiation, progression, and metastasis. Further, research has revealed that some circRNAs have the potential for use as diagnostic and prognostic biomarkers in clinical practice. Herein, we review the biogenesis and biological functions of circRNAs, as well as their roles in different breast cancer subtypes. Moreover, we provide a comprehensive summary of the clinical significance of circRNAs in breast cancer. CircRNAs are believed to be a hot focus in basic and clinical research of breast cancer, and innovative future research directions of circRNAs could be used as biomarkers, therapeutic targets, or novel drugs.Abbreviations: CeRNA: Competitive endogenous RNA; ciRNA: Circular intronic RNA; circRNA: Circular RNA; EIciRNA: Exon-intron circRNA; EMT: Epithelial-mesenchymal transition; IRES: Internal ribosome entry site; lncRNA: Long non-coding RNA; miRNA: MicroRNA; MRE: MiRNA response element; ncRNA: Non-coding RNA; RBP: RNA-binding protein; RNA-seq: RNA sequencing; RT-PCR: Reverse transcription-polymerase chain reaction.
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Affiliation(s)
- Zhanwei Wang
- Department of Breast Surgery, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, China
| | - Hao Deng
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yao Jin
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Meng Luo
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jia Huang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jing Wang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Kun Zhang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Li Wang
- Department of Emergency, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiaojiao Zhou
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Hussen BM, Mohamadtahr S, Abdullah SR, Hidayat HJ, Rasul MF, Hama Faraj GS, Ghafouri-Fard S, Taheri M, Khayamzadeh M, Jamali E. Exosomal circular RNAs: New player in breast cancer progression and therapeutic targets. Front Genet 2023; 14:1126944. [PMID: 36926585 PMCID: PMC10011470 DOI: 10.3389/fgene.2023.1126944] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
Breast cancer is the most prevalent type of malignancy among women. Exosomes are extracellular vesicles of cell membrane origin that are released via exocytosis. Their cargo contains lipids, proteins, DNA, and different forms of RNA, including circular RNAs. Circular RNAs are new class of non-coding RNAs with a closed-loop shape involved in several types of cancer, including breast cancer. Exosomes contained a lot of circRNAs which are called exosomal circRNAs. By interfering with several biological pathways, exosomal circRNAs can have either a proliferative or suppressive role in cancer. The involvement of exosomal circRNAs in breast cancer has been studied with consideration to tumor development and progression as well as its effects on therapeutic resistance. However, its exact mechanism is still unclear, and there have not been available clinical implications of exo-circRNAs in breast cancer. Here, we highlight the role of exosomal circRNAs in breast cancer progression and to highlight the most recent development and potential of circRNAas therapeutic targets and diagnostics for breast cancer.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Department of Medical Analysis, College of Pharmacy, Hawler Medical University, Erbil, Iraq.,Center of Research and Strategic Studies, Lebanese French University, Erbil, Iraq
| | - Sayran Mohamadtahr
- Department of Medical Analysis, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | | | - Hazha Jamal Hidayat
- Department of Biology, College of Education, Salahaddin University-Erbil, Erbil, Iraq
| | - Mohammad Fatih Rasul
- Department of Pharmaceutical Basic Science, Faculty of Pharmacy, Tishk International University, Erbil, Iraq
| | - Goran Sedeeq Hama Faraj
- Department of Medical Laboratory Science, Komar University of Science and Technology, Sulaimany, Iraq
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany.,Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Khayamzadeh
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Academy of Medical Sciences, Tehran, Iran
| | - Elena Jamali
- Department of Pathology, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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34
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Zhang F, Li L, Fan Z. circRNAs and their relationship with breast cancer: a review. World J Surg Oncol 2022; 20:373. [PMID: 36443878 PMCID: PMC9703749 DOI: 10.1186/s12957-022-02842-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 11/20/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Recently, an increasing number of studies have been conducted on circular RNAs (circRNAs) that have demonstrated their different roles in a variety of biological processes. Moreover, a large number of circRNAs have been shown to be involved in the occurrence and development of breast cancer (BC). MAIN BODY Both functional and mechanistic experiments have shown that circular RNAs (circRNAs) can act as competing endogenous RNAs by sponging miRNAs, encoding proteins, and regulating parental genes. In doing so, circRNAs modulate the proliferation, migration, apoptosis, and invasion of BC cells in vitro as well as tumor growth and metastasis in vivo. Moreover, scores of circRNAs have been demonstrated to be related to clinicopathological features, prognosis, and treatment sensitivity in patients with BC; many circRNAs have shown potential as biomarkers for diagnosis, drug sensitivity, and prognosis prediction. Furthermore, researchers have focused on circRNAs as potential therapeutic targets. CONCLUSION In this review, we briefly summarize the functions and categories of circRNAs, their different roles in BC, and recent research and therapeutic progress related to circRNAs.
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Affiliation(s)
- Fan Zhang
- grid.430605.40000 0004 1758 4110Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun, Jilin 130021 China
| | - Liying Li
- grid.430605.40000 0004 1758 4110Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun, Jilin 130021 China
| | - Zhimin Fan
- grid.430605.40000 0004 1758 4110Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun, Jilin 130021 China
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35
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Deng J, Wang Q, Zhang J, Ma Y, Qi Y, Liu Z, Li Y, Ruan Q, Huang Y. Identification and characterization of human cytomegalovirus-encoded circular RNAs. Front Cell Infect Microbiol 2022; 12:980974. [PMID: 36452301 PMCID: PMC9702070 DOI: 10.3389/fcimb.2022.980974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/28/2022] [Indexed: 08/27/2023] Open
Abstract
Circular RNA (circRNA) exists extensively and plays essential roles in serving as microRNA (miRNA) or protein sponges and protein scaffolding in many organisms. However, the profiles and potential functions of the virus-encoded circRNA, including human cytomegalovirus (HCMV)-encoded circular RNAs, remain unclear. In the present study, HCMV-encoded circRNAs profile in human embryonic lung fibroblasts (HELF) with lytic infection was investigated using RNA deep sequencing and bioinformatics analysis. In total, 629 HCMV-encoded circRNAs were identified with various expression patterns in our results. The full sequences and alternative splicings of circUS12, circUL55, and circUL89 were verified by reverse transcriptase-PCR (RT-PCR) with divergent primers followed and Sanger sequencing. Transcription of circUL89 was validated by Northern blot. The HCMV-encoded circRNA-miRNA network analyses revealed the potential function of HCMV-encoded circRNAs during HCMV infection in HELFs. Collectively, HCMV infection deduced abundant HCMV-associated circRNAs during infection, and the HCMV-encoded circRNAs might play important roles in benefiting HCMV infection.
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Affiliation(s)
- Jingui Deng
- Department of Microorganism Laboratory, Shenyang Center for Disease Control and Prevention, Shenyang, China
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qing Wang
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jing Zhang
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yanping Ma
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ying Qi
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhongyang Liu
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yibo Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Central Hospital Affiliated to Shenyang Medical College, Shenyang, China
| | - Qiang Ruan
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yujing Huang
- Virology Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
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36
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Yang F, Lin L, Li X, Wen R, Zhang X. Silencing of COL3A1 represses proliferation, migration, invasion, and immune escape of triple negative breast cancer cells via down-regulating PD-L1 expression. Cell Biol Int 2022; 46:1959-1969. [PMID: 35930601 DOI: 10.1002/cbin.11875] [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: 07/15/2022] [Accepted: 07/24/2022] [Indexed: 12/24/2022]
Abstract
This study is designed to illuminate the specific role and underlying mechanism of collagen type III alpha 1 chain (COL3A1) in triple negative breast cancer (TNBC). Quantitative real-time polymerase chain reaction was applied to examine mRNA expression of COL3A1. Western blot analysis was employed to determine protein levels of COL3A1, programmed death ligand 1 (PD-L1), Bcl-2, and cleaved caspase-3. Immunohistochemistry staining was utilized for assessing protein expression of Ki67 and COL3A1 in tissues. The proliferous capacity of cells was assessed through CCK-8 assay and 5-Ethynyl-2'-deoxyuridine assay. Cell apoptosis and the percentage of CD8+ T cells were measured using flow cytometry. Migration and invasion of TNBC cells were examined via transwell assay. Lactate dehydrogenase (LDH) release was measured via a LDH assay kit. For establishing a xenograft tumor model, MDA-MB-231 cells were injected into the flank of mice through subcutaneous injection. COL3A1 expression was raised in TNBC tissues and cells, and it was inversely associated with overall survival data of TNBC patients. COL3A1 downregulation repressed proliferation, invasion, migration, and immune escape of TNBC cells along with tumor growth of xenograft mice. In TNBC cells and tumor tissues of mice, protein expression of PD-L1 was reduced by COL3A1 knockdown. COL3A1 knockdown-mediated inhibitory effects on cell proliferation, migration, invasion, and immune escape were reversed by PD-L1 upregulation in vitro. Silencing of COL3A1 exerted an antitumor role in TNBC, implying its potential as a therapeutic target for TNBC.
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Affiliation(s)
- Fan Yang
- Department of Breast Surgery, Fuzhou First Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Ling Lin
- Institute of Basic Medical Sciences, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, China
| | - Xiaohua Li
- Department of Breast Surgery, Fuzhou First Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Ronglan Wen
- Department of Breast Surgery, Fuzhou First Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Xin Zhang
- Department of Breast Surgery, Fuzhou First Hospital Affiliated to Fujian Medical University, Fuzhou, China
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Hashemi M, Arani HZ, Orouei S, Fallah S, Ghorbani A, Khaledabadi M, Kakavand A, Tavakolpournegari A, Saebfar H, Heidari H, Salimimoghadam S, Entezari M, Taheriazam A, Hushmandi K. EMT mechanism in breast cancer metastasis and drug resistance: Revisiting molecular interactions and biological functions. Biomed Pharmacother 2022; 155:113774. [DOI: 10.1016/j.biopha.2022.113774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/20/2022] [Accepted: 09/28/2022] [Indexed: 12/24/2022] Open
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Foruzandeh Z, Dorabadi DG, Sadeghi F, Zeinali-Sehrig F, Zaefizadeh M, Rahmati Y, Alivand MR. Circular RNAs as novel biomarkers in triple-negative breast cancer: a systematic review. Mol Biol Rep 2022; 49:9825-9840. [PMID: 35534586 DOI: 10.1007/s11033-022-07502-1] [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: 02/21/2022] [Accepted: 04/21/2022] [Indexed: 11/25/2022]
Abstract
More effective prognostic and diagnostic tools are urgently required for early detecting and treating triple-negative breast cancer, which is the most acute type of breast cancer because of its lower survival rate, aggressiveness, and non-response to various common treatments. So, it remains the most harmful malignancy for women worldwide. Recently, circular RNAs, as a group of non-coding RNAs, with covalently closed loop and high stability have been discovered, which can modulate gene expression through competing with endogenous microRNA sponges. This finding provided further insight into novel approaches for controlling genes affected in many disorders and malignancies. This review concentrates on the dysregulated expression of circRNAs like their diagnostic and prognostic values in TNBC. This review aims to focus on the abnormal expression of circRNAs and their diagnostic and prognostic values in TNBC. We used PubMed, Embase, and Web of Science databases and ClinicalTrials.gov to systematically search for all relevant clinical studies. This review is based on articles published in databases up to April 2022 with the following keywords: "Circular RNA", "CircRNA", "Triple-Negative Breast Cancer" and "TNBC". We conducted a review of published CircRNA profiled-research articles to identify candidate CircRNA biomarkers for TNBC. The review is registered on JBI at https://jbi.global/systematic-review-register . Accumulating evidence has shown that several circRNAs are downregulated and some are upregulated in TNBC. The results of these studies confirm that circRNAs might be potential biomarkers with the diagnostic, prognostic, and therapeutic target value for TNBC. We also consider the connection between circRNAs and TNBC cell proliferation, apoptosis, metastasis, and chemotherapy resistance and sensitivity.
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Affiliation(s)
- Zahra Foruzandeh
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Davood Ghavi Dorabadi
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farzaneh Sadeghi
- Department of Biology, Faculty of Natural Science, University of Tabriz, Tabriz, Iran
| | - Fatemeh Zeinali-Sehrig
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Yazdan Rahmati
- Department of Medical Genetics and Molecular Biology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Alivand
- Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran.
- Eye Research Center, the Five Senses Health Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran.
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Karamali N, Ebrahimnezhad S, Khaleghi Moghadam R, Daneshfar N, Rezaiemanesh A. HRD1 in human malignant neoplasms: Molecular mechanisms and novel therapeutic strategy for cancer. Life Sci 2022; 301:120620. [PMID: 35533759 DOI: 10.1016/j.lfs.2022.120620] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/01/2022] [Accepted: 05/04/2022] [Indexed: 10/18/2022]
Abstract
In tumor cells, the endoplasmic reticulum (ER) plays an essential role in maintaining cellular proteostasis by stimulating unfolded protein response (UPR) underlying stress conditions. ER-associated degradation (ERAD) is a critical pathway of the UPR to protect cells from ER stress-induced apoptosis and the elimination of unfolded or misfolded proteins by the ubiquitin-proteasome system (UPS). 3-Hydroxy-3-methylglutaryl reductase degradation (HRD1) as an E3 ubiquitin ligase plays an essential role in the ubiquitination and dislocation of misfolded protein in ERAD. In addition, HRD1 can target other normal folded proteins. In various types of cancer, the expression of HRD1 is dysregulated, and it targets different molecules to develop cancer hallmarks or suppress the progression of the disease. Recent investigations have defined the role of HRD1 in drug resistance in types of cancer. This review focuses on the molecular mechanisms of HRD1 and its roles in cancer pathogenesis and discusses the worthiness of targeting HRD1 as a novel therapeutic strategy in cancer.
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Affiliation(s)
- Negin Karamali
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Samaneh Ebrahimnezhad
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Reihaneh Khaleghi Moghadam
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Niloofar Daneshfar
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Alireza Rezaiemanesh
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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40
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Zhang Y, Zhang X, Xu Y, Fang S, Ji Y, Lu L, Xu W, Qian H, Liang ZF. Circular RNA and Its Roles in the Occurrence, Development, Diagnosis of Cancer. Front Oncol 2022; 12:845703. [PMID: 35463362 PMCID: PMC9021756 DOI: 10.3389/fonc.2022.845703] [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: 01/20/2022] [Accepted: 03/14/2022] [Indexed: 12/19/2022] Open
Abstract
Circular RNAs (circRNAs) are non-coding single-stranded covalently closed circular RNA, mainly produced by reverse splicing of exons of precursor mRNAs (pre-mRNAs). The characteristics of high abundance, strong specificity, and good stability of circRNAs have been discovered. A large number of studies have reported its various functions and mechanisms in biological events, such as the occurrence and development of cancer. In this review, we focus on the classification, characterization, biogenesis, functions of circRNAs, and the latest advances in cancer research. The development of circRNAs as biomarkers in cancer diagnosis and treatment also provides new ideas for studying circRNAs research.
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Affiliation(s)
- Yue Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Xinyi Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yumeng Xu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Shikun Fang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Ying Ji
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Ling Lu
- Child Healthcare Department, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wenrong Xu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Hui Qian
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Zhao Feng Liang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
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Yin H, Wang H, Wang M, Yan Y, Dong Q, Li Q, Liu Y, Wang X, Guo T, Niu L, Zhang H, Wang B, Yao X, Yuan G, Pan Y. CircTCF25 serves as a sponge for miR-206 to support proliferation, migration, and invasion of glioma via the Jak2/p-Stat3/CypB axis. Mol Carcinog 2022; 61:558-571. [PMID: 35384084 DOI: 10.1002/mc.23402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/07/2022] [Accepted: 03/13/2022] [Indexed: 12/17/2022]
Abstract
Glioma is the most common primary malignant intracranial tumor in humans, and glioblastoma (GBM) has been associated with a more aggressive histology and poorer prognosis. There is growing evidence that circular RNAs (circRNAs) are involved in the progression of various malignancies; however, the role and molecular mechanism of circRNAs in glioma remain elusive. In the present study, we screened for differentially expressed circRNAs in gliomas by using a bioinformatics method. Significant upregulation in glioma tissues was verified by quantitative real-time polymerase chain reaction (qRT-PCR), and the prognostic value was evaluated. The potential oncogenic role of circular RNA TCF25 (circTCF25) in glioma was assessed both in vivo and in vitro. Bioinformatics analysis and luciferase reporter assays confirmed the interaction among circTCF25, microRNA-206 (miR-206), and its target gene Cyclophilin B (CypB). circTCF25 was predominantly located in the cytoplasm; the combination of mir-206 and circTCF25 reverses the effects of knockdown of circTCF25 on the proliferation, migration, invasion, and tumorigenesis of glioma cells. Competitive binding between circTCF25 and miR-206 mainly upregulates target gene CypB expression by preventing its inhibition of the Jak2/p-stat3 pathway. In addition, knockdown of circTCF25 reduced CypB expression by inhibiting JAK2/p-stat3, which was rescued by treatment with a miR-206 inhibitor. In summary, our findings demonstrate that the circTCF25/miR-206/CypB axis plays a vital role in glioma progression, migration, invasion, and tumorigenesis.
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Affiliation(s)
- Hang Yin
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Hongyu Wang
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Maolin Wang
- Department of Neurosurgery, The First Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Yunji Yan
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Qiang Dong
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Qiao Li
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Yang Liu
- Key Laboratory of Neurology of Gansu Province, Lanzhou, Gansu Province, China
| | - Xiaoqing Wang
- Key Laboratory of Neurology of Gansu Province, Lanzhou, Gansu Province, China
| | - Tianxue Guo
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Liang Niu
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - He Zhang
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Bo Wang
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Xuan Yao
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Guoqiang Yuan
- Key Laboratory of Neurology of Gansu Province, Lanzhou, Gansu Province, China
| | - Yawen Pan
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China.,Key Laboratory of Neurology of Gansu Province, Lanzhou, Gansu Province, China
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De Palma FDE, Salvatore F, Pol JG, Kroemer G, Maiuri MC. Circular RNAs as Potential Biomarkers in Breast Cancer. Biomedicines 2022; 10:biomedicines10030725. [PMID: 35327527 PMCID: PMC8945016 DOI: 10.3390/biomedicines10030725] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 02/06/2023] Open
Abstract
Due to the high heterogeneity and initially asymptomatic nature of breast cancer (BC), the management of this disease depends on imaging together with immunohistochemical and molecular evaluations. These tests allow early detection of BC and patient stratification as they guide clinicians in prognostication and treatment decision-making. Circular RNAs (circRNAs) represent a class of newly identified long non-coding RNAs. These molecules have been described as key regulators of breast carcinogenesis and progression. Moreover, circRNAs play a role in drug resistance and are associated with clinicopathological features in BC. Accumulating evidence reveals a clinical interest in deregulated circRNAs as diagnostic, prognostic and predictive biomarkers. Furthermore, due to their covalently closed structure, circRNAs are highly stable and easily detectable in body fluids, making them ideal candidates for use as non-invasive biomarkers. Herein, we provide an overview of the biogenesis and pleiotropic functions of circRNAs, and report on their clinical relevance in BC.
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Affiliation(s)
- Fatima Domenica Elisa De Palma
- Equipe 11 Labellisée Par La Ligue Nationale Contre Le Cancer, Centre de Recherche Des Cordeliers, Inserm U1138, Université de Paris Cité, Sorbonne Université, 75006 Paris, France; (J.G.P.); (G.K.)
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, 94800 Villejuif, France
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy;
- CEINGE-Biotecnologie Avanzate, 80145 Naples, Italy
- Correspondence: (F.D.E.D.P.); (M.C.M.); Tel.: +39-3348176281 (F.D.E.D.P.)
| | - Francesco Salvatore
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy;
- CEINGE-Biotecnologie Avanzate, 80145 Naples, Italy
- Inter-University Center for multifactorial and multi genetic chronic human diseases, “Federico II”-Naples, Tor Vergata-Roma II, and Chieti-Pescara Universities, 80131 Naples, Italy
| | - Jonathan G. Pol
- Equipe 11 Labellisée Par La Ligue Nationale Contre Le Cancer, Centre de Recherche Des Cordeliers, Inserm U1138, Université de Paris Cité, Sorbonne Université, 75006 Paris, France; (J.G.P.); (G.K.)
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, 94800 Villejuif, France
| | - Guido Kroemer
- Equipe 11 Labellisée Par La Ligue Nationale Contre Le Cancer, Centre de Recherche Des Cordeliers, Inserm U1138, Université de Paris Cité, Sorbonne Université, 75006 Paris, France; (J.G.P.); (G.K.)
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, 94800 Villejuif, France
- Institut Universitaire de France, 75005 Paris, France
- Department of Biology, Institut du Cancer Paris CARPEM, Hôpital Européen Georges Pompidou, AP-HP, 75015 Paris, France
| | - Maria Chiara Maiuri
- Equipe 11 Labellisée Par La Ligue Nationale Contre Le Cancer, Centre de Recherche Des Cordeliers, Inserm U1138, Université de Paris Cité, Sorbonne Université, 75006 Paris, France; (J.G.P.); (G.K.)
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, 94800 Villejuif, France
- Department of Pharmacy, University of Naples “Federico II”, 80131 Naples, Italy
- Correspondence: (F.D.E.D.P.); (M.C.M.); Tel.: +39-3348176281 (F.D.E.D.P.)
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Tang X, Deng Z, Ding P, Qiang W, Lu Y, Gao S, Hu Y, Yang Y, Du J, Gu C. A novel protein encoded by circHNRNPU promotes multiple myeloma progression by regulating the bone marrow microenvironment and alternative splicing. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2022; 41:85. [PMID: 35260179 PMCID: PMC8903708 DOI: 10.1186/s13046-022-02276-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 01/27/2022] [Indexed: 12/11/2022]
Abstract
Backgroud Multiple myeloma (MM) is an incurable plasma cell malignancy in the bone marrow (BM), while immunoglobulin D type of MM (IgD MM) is a very rare but most severe subtype in all MM cases. Therefore, systemic study on IgD MM is purposeful to disclose the recurrent and refractory features in both IgD and other types of MM, and beneficial to the development of potent therapeutic strategy on MM. Methods Agilent SBC-ceRNA microarray chips were employed to examine 3 normal plasma cell samples (NPCs), 5 lgD MM samples and 5 lgG MM samples, respectively. Sanger sequencing, RNase R digestion and qPCR assays were used to detect the existence and expression of circHNRNPU. BaseScope™ RNA ISH assay was performed to test circHNRNPU levels in paraffin-embedded MM tissues. The protein encoded by circHNRNPU was identified by LC-MS/MS, which was named as circHNRNPU_603aa. The function of circHNRNPU_603aa on cellular proliferation and cell cycle was assessed by MTT test, colony formation assay, flow cytometry and MM xenograft mouse model in vivo. RIP-seq, RIP-PCR and WB analysis for ubiquitination were performed to explore the potential mechanism of circHNRNPU_603aa in MM. Exosomes were isolated from the culture supernatant of MM cells by ultracentrifugation and characterized by Transmission Electron Microscope and WB confirmation of exosomes markers Alix and CD9. Results CircHNRNPU was one of the top most abundant and differentially expressed circRNA in IgD MM relative to lgG and NPCs samples. Increased circHNRNPU was associated with poor outcomes in four independent MM patient cohorts. Intriguingly, MM cells secreted circHNRNPU, which encoded a protein named as circHNRNPU_603aa. Overexpressed circHNRNPU_603aa promoted MM cell proliferation in vitro and in vivo, in contrast knockdown of circHNRNPU_603aa by siRNA abrogated these effects. Due to circHNRNPU_603aa including RNA-binding RGG-box region, it regulated SKP2 exon skipping, thereby competitively inhibited c-Myc ubiquitin so as to stabilize c-Myc in MM. MM cells secreted circHNRNPU through exosomes to interfere with various cells in the BM microenvironment. Conclusion Our findings demonstrate that circHNRNPU_603aa is a promising diagnostic and therapeutic marker in both MM cells and BM niche. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-022-02276-7.
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Affiliation(s)
- Xiaozhu Tang
- Nanjing Hospital of Chinese Medicine affiliated to Nanjing University of Chinese Medicine, Nanjing, China.,School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhendong Deng
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Pinggang Ding
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Wanting Qiang
- Department of Hematology, Myeloma & Lymphoma Center, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Yue Lu
- Department of Radiotherapy, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Shengyao Gao
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ye Hu
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ye Yang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China.
| | - Juan Du
- Department of Hematology, Myeloma & Lymphoma Center, Changzheng Hospital, Naval Medical University, Shanghai, China.
| | - Chunyan Gu
- Nanjing Hospital of Chinese Medicine affiliated to Nanjing University of Chinese Medicine, Nanjing, China. .,School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China.
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44
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Paul U, Banerjee S. The functional significance and cross-talk of non-coding RNAs in triple negative and quadruple negative breast cancer. Mol Biol Rep 2022; 49:6899-6918. [PMID: 35235157 DOI: 10.1007/s11033-022-07288-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 02/18/2022] [Indexed: 12/13/2022]
Abstract
One of the leading causes of cancer-related deaths worldwide is breast cancer, among which triple-negative breast cancer (TNBC) is the most malignant and lethal subtype. This cancer accounts for 10-20% of all breast cancer deaths. Proliferation, tumorigenesis, and prognosis of TNBC are affected when the androgen receptor (AR) is not expressed, and it is classified as quadruple negative breast cancer (QNBC). Non-coding RNAs, such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), play a significant role in tumorigenesis by virtue of their oncogenic and tumor-suppressive properties. To regulate tumorigenesis, miRNAs interact with their target mRNAs and modulate their expression, whereas lncRNAs can either act alone or interact with miRNAs or other molecules through various signaling pathways. Conversely, circRNAs regulate tumorigenesis by acting as miRNA sponges predominantly. Recently, non-coding RNAs were studied comprehensively for their roles in tumor proliferation, progression, and metastasis. As a result of existing studies and research progress, non-coding RNAs have been implicated in TNBC, necessitating their use as biomarkers for future diagnostic applications. In this review, the non-coding RNAs are explicitly implicated in the regulation of breast cancer, and their cross-talk between TNBC and QNBC is also discussed.
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Affiliation(s)
- Utpalendu Paul
- School of Bio Science and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India
| | - Satarupa Banerjee
- School of Bio Science and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India.
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45
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Lu C, Shi W, Hu W, Zhao Y, Zhao X, Dong F, Xin Y, Peng T, Liu C. Endoplasmic reticulum stress promotes breast cancer cells to release exosomes circ_0001142 and induces M2 polarization of macrophages to regulate tumor progression. Pharmacol Res 2022; 177:106098. [DOI: 10.1016/j.phrs.2022.106098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/22/2022] [Accepted: 01/23/2022] [Indexed: 12/13/2022]
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46
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Xu P, Zhang X, Cao J, Yang J, Chen Z, Wang W, Wang S, Zhang L, Xie L, Fang L, Xia Y, Xuan Z, Lv J, Xu H, Xu Z. The novel role of circular RNA ST3GAL6 on blocking gastric cancer malignant behaviours through autophagy regulated by the FOXP2/MET/mTOR axis. Clin Transl Med 2022; 12:e707. [PMID: 35061934 PMCID: PMC8782491 DOI: 10.1002/ctm2.707] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 12/22/2021] [Accepted: 12/29/2021] [Indexed: 02/03/2023] Open
Abstract
Gastric cancer (GC) ranks third in mortality among all cancers worldwide. Circular RNAs (circRNAs) play an important role in the occurrence and development of gastric cancer. Forkhead box P2 (FOXP2), as a transcription factor, is closely associated with the development of many types of tumours. However, the regulatory network between FOXP2 and circRNAs remains to be explored. In our study, circST3GAL6 was significantly downregulated in GC and was associated with poor prognosis in GC patients. Overexpression of circST3GAL6 inhibited the malignant behaviours of GC cells, which was mediated by inducing apoptosis and autophagy. In addition, we demonstrated that circST3GAL6 regulated FOXP2 through the mir-300 sponge. We further found that FOXP2 inhibited MET Proto-Oncogene (MET), which was the initiating factor that regulated the classic AKT/mTOR pathway of autophagy. In conclusion, our results suggested that circST3GAL6 played a tumour suppressive role in gastric cancer through miR-300/FOXP2 axis and regulated apoptosis and autophagy through FOXP2-mediated transcriptional inhibition of the MET axis, which may become a potential target for GC therapy.
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Affiliation(s)
- Penghui Xu
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Xing Zhang
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Jiacheng Cao
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Jing Yang
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Zetian Chen
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Weizhi Wang
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Sen Wang
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Lu Zhang
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Li Xie
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Lang Fang
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yiwen Xia
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Zhe Xuan
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Jialun Lv
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Hao Xu
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer MedicineNanjing Medical UniversityNanjingChina
| | - Zekuan Xu
- Department of General Surgerythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
- Collaborative Innovation Center for Cancer Personalized MedicineNanjing Medical UniversityNanjingChina
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer MedicineNanjing Medical UniversityNanjingChina
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Liang X, Qin C, Yu G, Guo X, Cheng A, Zhang H, Wang Z. Circular RNA circRAB31 acts as a miR-885-5psponge to suppress gastric cancer progressionvia the PTEN/PI3K/AKT pathway. Mol Ther Oncolytics 2021; 23:501-514. [PMID: 34901392 PMCID: PMC8633833 DOI: 10.1016/j.omto.2021.11.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/25/2021] [Accepted: 11/08/2021] [Indexed: 02/07/2023] Open
Abstract
Emerging evidence indicated that circular RNAs (circRNAs) play essential roles in cancer progression. A large number of circRNAs have been reported to modulate cancer carcinogenesis. However, the underlying mechanisms by which circRNAs regulate gastric cancer remain largely unclear. By using circRNA microarray, we identified that circRAB31 may serve as a tumor suppressor. circRAB31 was downregulated in gastric cancer tissues and gastric cancer cell lines compared with normal tissues and a human gastric epithelial cell line (GES-1). Overexpression of circRAB31 suppressed gastric cancer proliferation and metastasis in vitro and in vivo, whereas silencing of circRAB31 had the opposite effects. Bioinformatic analysis as well as pull-down and luciferase assays revealed that circRAB31 exerted tumor-suppressive functions by binding directly to miR-885-5p. In addition, we demonstrated that circRAB31 could suppress PI3K/AKT signaling via the phosphatase and tensin homologue (PTEN)—a downstream target gene of miR-885-5p. In summary, our results demonstrated that circRAB31 could serve as a sponge of miR-885-5p to regulate gastric cancer cell proliferation, migration, and invasion by affecting the PTEN/PI3K/AKT signaling.
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Affiliation(s)
- Xianlong Liang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, PR China
| | - Chuan Qin
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, PR China.,Department of Gastrointestinal Surgery, Chongqing University Three Gorges Hospital, Chongqing 404000, PR China
| | - Gangfeng Yu
- Institute of Life Sciences, Chongqing Medical University, Chongqing 400010, PR China
| | - Xiong Guo
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, PR China
| | - Anqi Cheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, PR China
| | - Han Zhang
- Department of Digestive Oncology, Chongqing University Three Gorges Hospital, Chongqing 404000, PR China
| | - Ziwei Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, PR China
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48
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Tian T, Zhao Y, Zheng J, Jin S, Liu Z, Wang T. Circular RNA: A potential diagnostic, prognostic, and therapeutic biomarker for human triple-negative breast cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:63-80. [PMID: 34513294 PMCID: PMC8411013 DOI: 10.1016/j.omtn.2021.06.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Triple-negative breast cancer (TNBC), which is the most malignant subtype of breast cancer (BC), accounts for 10%–20% of all BC cases. TNBC, which occurs more frequently in young women, is characterized by high rates of cell proliferation and metastasis and poor prognosis. Chemotherapy is the primary systemic therapeutic strategy for TNBC. However, chemotherapy is largely unsuccessful, and effective targeted therapies for TNBC have not been established. Therefore, it is a matter of great urgency to identify precise molecular targets for the promising prognosis of patients with TNBC. Circular RNAs (circRNAs), which are a type of non-coding RNAs (ncRNAs), are abundantly expressed in the eukaryotic cells and exhibit diverse cellular functions. The roles of circRNAs are to sponge microRNA or RNA-binding proteins, regulate gene expression, and serve as templates for translation. Here, we review the current findings on the potential of circRNAs as a diagnostic, prognostic, and therapeutic biomarker for TNBC. However, further studies are essential to elucidate the functions of circRNAs in TNBC. This review also discusses the current limitations and future directions of TNBC-associated circRNAs, which can facilitate the translation of experimental research into clinical application.
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Affiliation(s)
- Tian Tian
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun 130041, China
| | - Yangzhi Zhao
- Department of Hematology, The First Hospital of Jilin University, Changchun 130021, China
| | - Jingying Zheng
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Jilin University, Changchun 130041, China
| | - Shunzi Jin
- NHC Key Laboratory of Radiobiology, Jilin University, Changchun 130021, China
| | - Zhongshan Liu
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun 130041, China
| | - Tiejun Wang
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun 130041, China
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49
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Liu QL, Zhang Z, Wei X, Zhou ZG. Noncoding RNAs in tumor metastasis: molecular and clinical perspectives. Cell Mol Life Sci 2021; 78:6823-6850. [PMID: 34499209 PMCID: PMC11073083 DOI: 10.1007/s00018-021-03929-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/12/2021] [Accepted: 08/26/2021] [Indexed: 02/08/2023]
Abstract
Metastasis is the main culprit of cancer-associated mortality and involves a complex and multistage process termed the metastatic cascade, which requires tumor cells to detach from the primary site, intravasate, disseminate in the circulation, extravasate, adapt to the foreign microenvironment, and form organ-specific colonization. Each of these processes has been already studied extensively for molecular mechanisms focused mainly on protein-coding genes. Recently, increasing evidence is pointing towards RNAs without coding potential for proteins, referred to as non-coding RNAs, as regulators in shaping cellular activity. Since those first reports, the detection and characterization of non-coding RNA have explosively thrived and greatly enriched the understanding of the molecular regulatory networks in metastasis. Moreover, a comprehensive description of ncRNA dysregulation will provide new insights into novel tools for the early detection and treatment of metastatic cancer. In this review, we focus on discussion of the emerging role of ncRNAs in governing cancer metastasis and describe step by step how ncRNAs impinge on cancer metastasis. In particular, we highlight the diagnostic and therapeutic applications of ncRNAs in metastatic cancer.
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Affiliation(s)
- Qiu-Luo Liu
- Department of Gastrointestinal Surgery, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Zhe Zhang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, Sichuan, People's Republic of China.
| | - Zong-Guang Zhou
- Department of Gastrointestinal Surgery, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
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50
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Huang J, Yu S, Ding L, Ma L, Chen H, Zhou H, Zou Y, Yu M, Lin J, Cui Q. The Dual Role of Circular RNAs as miRNA Sponges in Breast Cancer and Colon Cancer. Biomedicines 2021; 9:biomedicines9111590. [PMID: 34829818 PMCID: PMC8615412 DOI: 10.3390/biomedicines9111590] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/13/2021] [Accepted: 10/27/2021] [Indexed: 02/07/2023] Open
Abstract
Breast cancer (BC) and colon cancer (CRC) are the two most deadly cancers in the world. These cancers partly share the same genetic background and are partially regulated by the same genes. The outcomes of traditional chemoradiotherapy and surgery remain suboptimal, with high postoperative recurrence and a low survival rate. It is, therefore, urgent to innovate and improve the existing treatment measures. Many studies primarily reported that the microRNA (miRNA) sponge functions of circular RNA (circRNA) in BC and CRC have an indirect relationship between the circRNA–miRNA axis and malignant behaviors. With a covalent ring structure, circRNAs can regulate the expression of target genes in multiple ways, especially by acting as miRNA sponges. Therefore, this review mainly focuses on the roles of circRNAs as miRNA sponges in BC and CRC based on studies over the last three years, thus providing a theoretical reference for finding new therapeutic targets in the future.
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Affiliation(s)
- Jiashu Huang
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Shenghao Yu
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Lei Ding
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Lingyuan Ma
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Hongjian Chen
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Hui Zhou
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Yayan Zou
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Min Yu
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Jie Lin
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
| | - Qinghua Cui
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (J.H.); (S.Y.); (L.D.); (L.M.); (H.C.); (H.Z.); (Y.Z.); (M.Y.); (J.L.)
- Key Lab of Molecular Cancer Biology, Yunnan Education Department, Kunming 650091, China
- Correspondence: ; Tel.: +86-871-65031412
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