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Abedimanesh S, Safaralizadeh R, Jahanafrooz Z, Najafi S, Amini M, Nazarloo SS, Bahojb Mahdavi SZ, Baradaran B, Jebelli A, Mokhtarzadeh AA. Interaction of noncoding RNAs with hippo signaling pathway in cancer cells and cancer stem cells. Noncoding RNA Res 2024; 9:1292-1307. [PMID: 39045083 PMCID: PMC11263728 DOI: 10.1016/j.ncrna.2024.06.006] [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: 01/13/2024] [Revised: 06/02/2024] [Accepted: 06/05/2024] [Indexed: 07/25/2024] Open
Abstract
The Hippo signaling pathway has a regulatory function in the organogenesis process and cellular homeostasis, switching the cascade reactions of crucial kinases acts to turn off/on the Hippo pathway, altering the downstream gene expression and thereby regulating proliferation, apoptosis, or stemness. Disruption of this pathway can lead to the occurrence of various disorders and different types of cancer. Recent findings highlight the importance of ncRNAs, such as microRNA, circular RNA, and lncRNAs, in modulating the Hippo pathway. Defects in ncRNAs can disrupt Hippo pathway balance, increasing tumor cells, tumorigenesis, and chemotherapeutic resistance. This review summarizes ncRNAs' inhibitory or stimulatory role in - Hippo pathway regulation in cancer and stem cells. Identifying the relation between ncRNAs and the components of this pathway could pave the way for developing new biomarkers in the treatment and diagnosis of cancers.
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Affiliation(s)
- Saba Abedimanesh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Reza Safaralizadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Zohreh Jahanafrooz
- Department of Biology, Faculty of Sciences, University of Maragheh, Maragheh, Iran
| | - Souzan Najafi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Amini
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shabnam Soltani Nazarloo
- Department of Biology, Faculty of Basic Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
| | | | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Asiyeh Jebelli
- Department of Biological Sciences, Faculty of Basic Sciences, Higher Education Institute of Rab-Rashid, Tabriz, Iran
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
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Chikhirzhina E, Tsimokha A, Tomilin AN, Polyanichko A. Structure and Functions of HMGB3 Protein. Int J Mol Sci 2024; 25:7656. [PMID: 39062899 DOI: 10.3390/ijms25147656] [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: 05/24/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
HMGB3 protein belongs to the group of HMGB proteins from the superfamily of nuclear proteins with high electrophoretic mobility. HMGB proteins play an active part in almost all cellular processes associated with DNA-repair, replication, recombination, and transcription-and, additionally, can act as cytokines during infectious processes, inflammatory responses, and injuries. Although the structure and functions of HMGB1 and HMGB2 proteins have been intensively studied for decades, very little attention has been paid to HMGB3 until recently. In this review, we summarize the currently available data on the molecular structure, post-translational modifications, and biological functions of HMGB3, as well as the possible role of the ubiquitin-proteasome system-dependent HMGB3 degradation in tumor development.
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Affiliation(s)
- Elena Chikhirzhina
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
| | - Anna Tsimokha
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
| | - Alexey N Tomilin
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
| | - Alexander Polyanichko
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
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Yan S, Teng L, Du J, Ji L, Xu P, Zhao W, Tao W. Long non‑coding RNA DANCR aggravates breast cancer through the miR‑34c/E2F1 feedback loop. Mol Med Rep 2024; 29:93. [PMID: 38577930 PMCID: PMC11025030 DOI: 10.3892/mmr.2024.13217] [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: 10/21/2023] [Accepted: 03/11/2024] [Indexed: 04/06/2024] Open
Abstract
Emerging scientific evidence has suggested that the long non‑coding (lnc)RNA differentiation antagonizing non‑protein coding RNA (DANCR) serves a significant role in human tumorigenesis and cancer progression; however, the precise mechanism of its function in breast cancer remains to be fully understood. Therefore, the objective of the present study was to manipulate DANCR expression in MCF7 and MDA‑MB‑231 cells using lentiviral vectors to knock down or overexpress DANCR. This manipulation, alongside the analysis of bioinformatics data, was performed to investigate the potential mechanism underlying the role of DANCR in cancer. The mRNA and/or protein expression levels of DANCR, miR‑34c‑5p and E2F transcription factor 1 (E2F1) were assessed using reverse transcription‑quantitative PCR and western blotting, respectively. The interactions between these molecules were validated using chromatin immunoprecipitation and dual‑luciferase reporter assays. Additionally, fluorescence in situ hybridization was used to confirm the subcellular localization of DANCR. Cell proliferation, migration and invasion were determined using 5‑ethynyl‑2'‑deoxyuridine, wound healing and Transwell assays, respectively. The results of the present study demonstrated that DANCR had a regulatory role as a competing endogenous RNA and upregulated the expression of E2F1 by sequestering miR‑34c‑5p in breast cancer cells. Furthermore, E2F1 promoted DANCR transcription by binding to its promoter in breast cancer cells. Notably, the DANCR/miR‑34c‑5p/E2F1 feedback loop enhanced cell proliferation, migration and invasion in breast cancer cells. Thus, these findings suggested that targeting DANCR may potentially provide a promising future therapeutic strategy for breast cancer treatment.
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Affiliation(s)
- Shuai Yan
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Lizhi Teng
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Juntong Du
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Liang Ji
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Peng Xu
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Wenxi Zhao
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Weiyang Tao
- Department of Breast Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Acoustic, Optical and Electromagnetic Diagnosis and Treatment of Cardiovascular Diseases, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
- The Cell Transplantation Key Laboratory of National Health Commission, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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Rastegari M, Sazegar H, Doosti A. Prognostic significance of CHCHD2P9 and ZNF204P in breast cancer: exploring their expression patterns and associations with malignancy-related genes. Mol Biol Rep 2024; 51:707. [PMID: 38824255 DOI: 10.1007/s11033-024-09643-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: 03/12/2024] [Accepted: 05/14/2024] [Indexed: 06/03/2024]
Abstract
BACKGROUND Non-coding RNAs (ncRNAs) have a crucial impact on diverse cellular processes, influencing the progression of breast cancer (BC). The objective of this study was to identify novel ncRNAs in BC with potential effects on patient survival and disease progression. METHODS We utilized the cancer genome atlas data to identify ncRNAs associated with BC pathogenesis. We explored the association between these ncRNA expressions and survival rates. A risk model was developed using candidate ncRNA expression and beta coefficients obtained from a multivariate Cox regression analysis. Co-expression networks were constructed to determine potential relationships between these ncRNAs and molecular pathways. For validation, we employed BC samples and the RT-qPCR method. RESULTS Our findings revealed a noteworthy increase in the expression of AC093850.2 and CHCHD2P9 in BC, which was correlated with a poor prognosis. In contrast, ADAMTS9-AS1 and ZNF204P displayed significant downregulation and were associated with a favorable prognosis. The risk model, incorporating these four ncRNAs, robustly predicted patient survival. The co-expression network showed an effective association between levels of AC093850.2, CHCHD2P9, ADAMTS9-AS1, and ZNF204P and genes involved in pathways like metastasis, angiogenesis, metabolism, and DNA repair. The RT-qPCR results verified notable alterations in the expression of CHCHD2P9 and ZNF204P in BC samples. Pan-cancer analyses revealed alterations in the expression of these two ncRNAs across various cancer types. CONCLUSION This study presents a groundbreaking discovery, highlighting the substantial dysregulation of CHCHD2P9 and ZNF204P in BC and other cancers, with implications for patient survival.
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Affiliation(s)
- Mozhdeh Rastegari
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Hossein Sazegar
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
| | - Abbas Doosti
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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Ma J, Liu M, Chen Z, Liu S, Yang H, Duan M. NANOG regulate the JAK/STAT3 pathway to promote trophoblast cell migration and epithelial-mesenchymal transition (EMT) in hypertensive disorders of pregnancy (HDP) through protein interaction with CDK1. Am J Reprod Immunol 2024; 91:e13863. [PMID: 38796740 DOI: 10.1111/aji.13863] [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: 12/08/2023] [Revised: 04/07/2024] [Accepted: 04/26/2024] [Indexed: 05/28/2024] Open
Abstract
PROBLEM Hypertensive disorders of pregnancy (HDP) are a common pregnancy disease. NANOG and Cyclin-dependent kinase 1 (CDK1) are essential for regulating the function of cell proliferation and apoptosis. However, the mechanism of action in HDP is yet unclear. METHOD The microarray dataset GSE6573 was downloaded from the GEO database. Emt-related gene set was downloaded from Epithelial-Mesenchymal Transition gene database 2.0 were screened differentially expressed genes by bioinformatics analysis. Pathway Commons and Scansite 4.0 databases were used to predict the interaction between proteins. Placental tissue samples were collected from HDP patients and patients with uneventful pregnancies. RT-qPCR, Western blot and immunohistochemistry were used to detect the expression of NANOG, CDK1, MMP-2, MMP-9, EMT markers and the JAK/STAT3 pathway proteins. Transfection NANOG overexpression/knockdown, and CDK1 knockdown into the human chorionic trophoblast cells (HTR-8/Svneo). CCK-8, Transwell and Wound-healing assay were used to evaluate cell proliferation, invasion and migration. CO-IP and GST pull-down assays were used to confirm the protein interaction. RESULTS A total obtained seven EMT-related differentially expressed genes, wherein NANOG, NODAL and LIN28A had protein interaction. In the HDP patients' tissue found that NANOG and CDK1 had lower expression. NANOG overexpression promoted HTR-8/Svneo proliferation, migration and EMT, while NANOG knockdown had the opposite effect. Further a protein interaction between STAT3 and CDK1 with NANOG. NANOG overexpression downregulated the JAK/STAT3 pathway to promote HTR-8/Svneo proliferation, migration and EMT, which was reversed by CDK1 knockdown. CONCLUSIONS NANOG downregulated the JAK/STAT3 pathway to promote trophoblast cell proliferation, migration and EMT through protein interaction with CDK1.
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Affiliation(s)
- Jing Ma
- Department of Reproduction and Genetics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Mingchang Liu
- Yunnan Maternal and Child Health Care Hospital, Kunming, Yunnan, China
- Kunming Medical University, Kunming, Yunnan, China
| | - Zhuo Chen
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Shiyang Liu
- Kunming Medical University, Kunming, Yunnan, China
| | - Huijuan Yang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Mengjia Duan
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
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Zhang Z, Zhang Y. Transcriptional regulation of cancer stem cell: regulatory factors elucidation and cancer treatment strategies. J Exp Clin Cancer Res 2024; 43:99. [PMID: 38561775 PMCID: PMC10986082 DOI: 10.1186/s13046-024-03021-y] [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: 12/04/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
Cancer stem cells (CSCs) were first discovered in the 1990s, revealing the mysteries of cancer origin, migration, recurrence and drug-resistance from a new perspective. The expression of pluripotent genes and complex signal regulatory networks are significant features of CSC, also act as core factors to affect the characteristics of CSC. Transcription is a necessary link to regulate the phenotype and potential of CSC, involving chromatin environment, nucleosome occupancy, histone modification, transcription factor (TF) availability and cis-regulatory elements, which suffer from ambient pressure. Especially, the expression and activity of pluripotent TFs are deeply affected by both internal and external factors, which is the foundation of CSC transcriptional regulation in the current research framework. Growing evidence indicates that regulating epigenetic modifications to alter cancer stemness is effective, and some special promoters and enhancers can serve as targets to influence the properties of CSC. Clarifying the factors that regulate CSC transcription will assist us directly target key stem genes and TFs, or hinder CSC transcription through environmental and other related factors, in order to achieve the goal of inhibiting CSC and tumors. This paper comprehensively reviews the traditional aspects of transcriptional regulation, and explores the progress and insights of the impact on CSC transcription and status through tumor microenvironment (TME), hypoxia, metabolism and new meaningful regulatory factors in conjunction with the latest research. Finally, we present opinions on omnidirectional targeting CSCs transcription to eliminate CSCs and address tumor resistance.
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Affiliation(s)
- Zhengyue Zhang
- Department of Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201900, People's Republic of China
- Shanghai Institute of Precision Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200125, People's Republic of China
| | - Yanjie Zhang
- Department of Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201900, People's Republic of China.
- Shanghai Institute of Precision Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200125, People's Republic of China.
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Ding L, Jiang H, Li Q, Li Q, Zhang TT, Shang L, Xie B, Zhu Y, Ding K, Shi X, Zhu T, Zhu Y. Ropivacaine as a novel AKT1 specific inhibitor regulates the stemness of breast cancer. J Exp Clin Cancer Res 2024; 43:90. [PMID: 38523299 PMCID: PMC10962119 DOI: 10.1186/s13046-024-03016-9] [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: 12/13/2023] [Accepted: 03/18/2024] [Indexed: 03/26/2024] Open
Abstract
BACKGROUND Ropivacaine, a local anesthetic, exhibits anti-tumor effects in various cancer types. However, its specific functions and the molecular mechanisms involved in breast cancer cell stemness remain elusive. METHODS The effects of ropivacaine on breast cancer stemness were investigated by in vitro and in vivo assays (i.e., FACs, MTT assay, mammosphere formation assay, transwell assays, western blot, and xenograft model). RNA-seq, bioinformatics analysis, Western blot, Luciferase reporter assay, and CHIP assay were used to explore the mechanistic roles of ropivacaine subsequently. RESULTS Our study showed that ropivacaine remarkably suppressed stem cells-like properties of breast cancer cells both in vitro and in vivo. RNA-seq analysis identified GGT1 as the downstream target gene responding to ropivacaine. High GGT1 levels are positively associated with a poor prognosis in breast cancer. Ropivacaine inhibited GGT1 expression by interacting with the catalytic domain of AKT1 directly to impair its kinase activity with resultant inactivation of NF-κB. Interestingly, NF-κB can bind to the promoter region of GGT1. KEGG and GSEA analysis indicated silence of GGT1 inhibited activation of NF-κB signaling pathway. Depletion of GGT1 diminished stem phenotypes of breast cancer cells, indicating the formation of NF-κB /AKT1/GGT1/NF-κB positive feedback loop in the regulation of ropivacaine-repressed stemness in breast cancer cells. CONCLUSION Our finding revealed that local anesthetic ropivacaine attenuated breast cancer stemness through AKT1/GGT1/NF-κB signaling pathway, suggesting the potential clinical value of ropivacaine in breast cancer treatment.
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Affiliation(s)
- Lin Ding
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Hui Jiang
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230032, China
| | - Qiangwei Li
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China
| | - Qiushuang Li
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Tian-Tian Zhang
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China
| | - Limeng Shang
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Bin Xie
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China
| | - Yaling Zhu
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Keshuo Ding
- Department of Pathology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Xuanming Shi
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China.
| | - Tao Zhu
- Department of Oncology, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230027, China.
- Key Laboratory of Immune Response and Immunotherapy, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230027, China.
- Shenzhen Bay Laboratory, Shenzhen, 518055, China.
| | - Yong Zhu
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
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Wang Y, Bu N, Luan XF, Song QQ, Ma BF, Hao W, Yan JJ, Wang L, Zheng XL, Maimaitiyiming Y. Harnessing the potential of long non-coding RNAs in breast cancer: from etiology to treatment resistance and clinical applications. Front Oncol 2024; 14:1337579. [PMID: 38505593 PMCID: PMC10949897 DOI: 10.3389/fonc.2024.1337579] [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: 11/13/2023] [Accepted: 02/19/2024] [Indexed: 03/21/2024] Open
Abstract
Breast cancer (BC) is the most common malignancy among women and a leading cause of cancer-related deaths of females worldwide. It is a complex and molecularly heterogeneous disease, with various subtypes that require different treatment strategies. Despite advances in high-resolution single-cell and multinomial technologies, distant metastasis and therapeutic resistance remain major challenges for BC treatment. Long non-coding RNAs (lncRNAs) are non-coding RNAs with more than 200 nucleotides in length. They act as competing endogenous RNAs (ceRNAs) to regulate post-transcriptional gene stability and modulate protein-protein, protein-DNA, and protein-RNA interactions to regulate various biological processes. Emerging evidence suggests that lncRNAs play essential roles in human cancers, including BC. In this review, we focus on the roles and mechanisms of lncRNAs in BC progression, metastasis, and treatment resistance, and discuss their potential value as therapeutic targets. Specifically, we summarize how lncRNAs are involved in the initiation and progression of BC, as well as their roles in metastasis and the development of therapeutic resistance. We also recapitulate the potential of lncRNAs as diagnostic biomarkers and discuss their potential use in personalized medicine. Finally, we provide lncRNA-based strategies to promote the prognosis of breast cancer patients in clinical settings, including the development of novel lncRNA-targeted therapies.
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Affiliation(s)
- Yun Wang
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Na Bu
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao-fei Luan
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qian-qian Song
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ba-Fang Ma
- Department of Immunology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Wenhui Hao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Jing-jing Yan
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Li Wang
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao-ling Zheng
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yasen Maimaitiyiming
- Department of Immunology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
- Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
- Women’s Hospital, Institute of Genetics, and Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Xinjiang Medical University, Urumqi, China
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Chen YN, Fu XR, Guo H, Fu XY, Shi KS, Gao T, Yu HQ. YY1-induced lncRNA00511 promotes melanoma progression via the miR-150-5p/ADAM19 axis. Am J Cancer Res 2024; 14:809-831. [PMID: 38455406 PMCID: PMC10915319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/07/2024] [Indexed: 03/09/2024] Open
Abstract
Increasing evidence indicates that long noncoding RNAs (lncRNAs) are therapeutic targets and key regulators of tumors development and progression, including melanoma. Long intergenic non-protein-coding RNA 511 (LINC00511) has been demonstrated as an oncogenic molecule in breast, stomach, colorectal, and lung cancers. However, the precise role and functional mechanisms of LINC00511 in melanoma remain unknown. This study confirmed that LINC00511 was highly expressed in melanoma cells (A375 and SK-Mel-28 cells) and tissues, knockdown of LINC00511 could inhibit melanoma cell migration and invasion, as well as the growth of subcutaneous tumor xenografts in vivo. By using Chromatin immunoprecipitation (ChIP) assay, it was demonstrated that the transcription factor Yin Yang 1 (YY1) is capable of binding to the LINC00511 promoter and enhancing its expression in cis. Further mechanistic investigation showed that LINC00511 was mainly enriched in the cytoplasm of melanoma cells and interacted directly with microRNA-150-5p (miR-150-5p). Consistently, the knockdown of miR-150-5p could recover the effects of LINC00511 knockdown on melanoma cells. Furthermore, ADAM metallopeptidase domain expression 19 (ADAM19) was identified as a downstream target of miR-150-5p, and overexpression of ADAM19 could promote melanoma cell proliferation. Rescue assays indicated that LINC00511 acted as a competing endogenous RNA (ceRNA) to sponge miR-150-5p and increase the expression of ADAM19, thereby activating the PI3K/AKT pathway. In summary, we identified LINC00511 as an oncogenic lncRNA in melanoma and defined the LINC00511/miR-150-5p/ADAM19 axis, which might be considered a potential therapeutic target and novel molecular mechanism the treatment of patients with melanoma.
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Affiliation(s)
- Ya-Ni Chen
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
| | - Xin-Rui Fu
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
| | - Hua Guo
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
| | - Xin-Yao Fu
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
| | - Ke-Song Shi
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
| | - Tian Gao
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
| | - Hai-Quan Yu
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University Hohhot 010020, Inner Mongolia, China
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Wu J, Zhu S, Lin R, Cai W, Lin H, Wu J, Ye L, Wei Y. LINC00887 regulates malignant progression and T-cell chemotaxis in clear cell renal cell carcinoma by activating CD70 via recruitment of SPI1. Gene 2024; 893:147910. [PMID: 37858743 DOI: 10.1016/j.gene.2023.147910] [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: 07/02/2023] [Revised: 10/14/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND LINC00887 has been mentioned in several articles regarding its involvement in various cancers like nasopharyngeal carcinoma, lung cancer and glioma. However, the mechanism of LINC00887 in the malignant progression of clear cell renal cell carcinoma (ccRCC) is still unclear. The topic of our study is mainly centered on exploring how LINC00887 exactly affects ccRCC malignant progression. METHODS The bioinformatics method predicted the downstream TF and target genes of LINC00887 by the "LncRNA-transcription factor (TF)-Gene" triplet model. RNA immunoprecipitation, chromatin immunoprecipitation analysis, and Dual-luciferase reporter assay determined the regulatory relationship between LINC00887 and its downstream genes. The LINC00887 expression and its downstream gene expression in ccRCC cells were examined by qRT-PCR and Western blot. The effect of LINC00887-SPI1-CD70 modulation axis on proliferative transfer, cell stemness and T cell chemotaxis of ccRCC cells was examined in cellular and animal experiments. RESULTS Our research demonstrated an upregulation of LINC00887 in ccRCC, which facilitated tumor growth and stemness in vivo. In addition, LINC00887 could upregulate the CD70 expression by recruiting transcriptional factor SPI1. The results of in vitro experiments illustrated that the LINC00887-SPI1-CD70 regulatory axis facilitated ccRCC malignant progression by promoting cell stemness and hindering T-cell chemotaxis. CONCLUSION LINC00887, by recruiting SPI1, activated CD70 transcription, thereby propelling malignant progression and cell stemness and suppressing T cell chemotaxis in ccRCC. Based on our findings, we believed that the LINC00887-SPI1-CD70 regulatory axis had the potential to be a critical breakthrough for treating ccRCC.
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Affiliation(s)
- Jinfeng Wu
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China
| | - Suqin Zhu
- Fujian Provincial Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou 350001, Fujian Province, China
| | - Rongcheng Lin
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China
| | - Wanghai Cai
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China
| | - Hongxiang Lin
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China
| | - Jiayue Wu
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China
| | - Liefu Ye
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China.
| | - Yongbao Wei
- Department of Urology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, China.
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11
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Yang F, Yang Y, Qiu Y, Tang L, Xie L, Guan X. Long Non-Coding RNAs as Regulators for Targeting Breast Cancer Stem Cells and Tumor Immune Microenvironment: Biological Properties and Therapeutic Potential. Cancers (Basel) 2024; 16:290. [PMID: 38254782 PMCID: PMC10814583 DOI: 10.3390/cancers16020290] [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: 11/22/2023] [Revised: 01/01/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Breast cancer stem cells (BCSCs) is a subpopulation of cancer cells with self-renewal and differentiation capacity, have been suggested to give rise to tumor heterogeneity and biologically aggressive behavior. Accumulating evidence has shown that BCSCs play a fundamental role in tumorigenesis, progression, and recurrence. The development of immunotherapy, primarily represented by programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1) inhibitors, has greatly changed the treatment landscape of multiple malignancies. Recent studies have identified pervasive negative associations between cancer stemness and anticancer immunity. Stemness seems to play a causative role in the formation of cold tumor immune microenvironment (TIME). The multiple functions of long non-coding RNAs (lncRNAs) in regulating stemness and immune responses has been recently highlighted in breast cancer. The review focus on lncRNAs and keys pathways involved in the regulation of BCSCs and TIME. Potential clinical applications using lncRNAs as biomarkers or therapies will be discussed.
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Affiliation(s)
- Fang Yang
- The Comprehensive Cancer Center of Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China; (F.Y.); (Y.Y.); (Y.Q.)
- Clinical Cancer Institute, Nanjing University, Nanjing 210008, China
| | - Yiqi Yang
- The Comprehensive Cancer Center of Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China; (F.Y.); (Y.Y.); (Y.Q.)
- Clinical Cancer Institute, Nanjing University, Nanjing 210008, China
| | - Yuling Qiu
- The Comprehensive Cancer Center of Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China; (F.Y.); (Y.Y.); (Y.Q.)
- Clinical Cancer Institute, Nanjing University, Nanjing 210008, China
| | - Lin Tang
- Department of Rheumatology and Immunology, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, China;
| | - Li Xie
- The Comprehensive Cancer Center of Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China; (F.Y.); (Y.Y.); (Y.Q.)
- Clinical Cancer Institute, Nanjing University, Nanjing 210008, China
| | - Xiaoxiang Guan
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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12
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Krivec N, Ghosh MS, Spits C. Gains of 20q11.21 in human pluripotent stem cells: Insights from cancer research. Stem Cell Reports 2024; 19:11-27. [PMID: 38157850 PMCID: PMC10828824 DOI: 10.1016/j.stemcr.2023.11.013] [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: 09/08/2023] [Revised: 11/28/2023] [Accepted: 11/28/2023] [Indexed: 01/03/2024] Open
Abstract
The genetic abnormalities observed in hPSC cultures worldwide have been suggested to pose an important hurdle in their safe use in regenerative medicine due to the possibility of oncogenic transformation by mutant cells in the patient posttransplantation. One of the best-characterized genetic lesions in hPSCs is the gain of 20q11.21, found in 20% of hPSC lines worldwide, and strikingly, also amplified in 20% of human cancers. In this review, we have curated the existing knowledge on the incidence of this mutation in hPSCs and cancer, explored the significance of chromosome 20q11.21 amplification in cancer progression, and reviewed the oncogenic role of the genes in the smallest common region of gain, to shed light on the significance of this mutation in hPSC-based cell therapy. Lastly, we discuss the state-of-the-art strategies devised to detect aneuploidies in hPSC cultures, avoid genetic changes in vitro cultures of hPSCs, and strategies to eliminate genetically abnormal cells from culture.
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Affiliation(s)
- Nuša Krivec
- Research Group Reproduction and Genetics, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussels, Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Manjusha S Ghosh
- Research Group Reproduction and Genetics, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussels, Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Claudia Spits
- Research Group Reproduction and Genetics, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussels, Laarbeeklaan 103, 1090 Brussels, Belgium.
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13
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Tang C, Li C, Chen C, Chen T, Zhu J, Sun M, Wang P, Han C. LINC01234 promoted malignant behaviors of breast cancer cells via hsa-miR-30c-2-3p/CCT4/mTOR signaling pathway. Taiwan J Obstet Gynecol 2024; 63:46-56. [PMID: 38216268 DOI: 10.1016/j.tjog.2023.09.019] [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: 09/25/2023] [Indexed: 01/14/2024] Open
Abstract
OBJECTIVE Despite continuous progress in treatment, recurrence and metastasis limit further improvement in the prognosis of breast cancer (BC) patients. Our aim was to search for a crucial prognostic biomarker of BC. MATERIALS AND METHODS Patient data were selected from The Cancer Genome Atlas (TCGA) and GTEx databases. Several online public databases, including Gene Expression Profiling Interactive Analysis (GEPIA), miRWalk, miRDB, and LncBase Predicted v.2, were used to identify potential upstream miRNAs and lncRNAs. These findings were validated through in vitro experiments. RESULTS A total of 1, 097 invasive BC samples and 572 normal breast tissues (including 113 samples from TCGA and 459 samples from GTEx) were collected for the study. CCT4 was not only significantly overexpressed in BC compared with normal breast tissues but also had important prognostic significance (P < 0.001). By intersecting miRWalk and miRDB and conducting correlation analysis, hsa-miR-30c-2-3p was identified as the most probable upstream miRNA of CCT4. Following an extensive assessment that included survival analysis, correlation analysis, and common binding-site prediction, LINC01234 was chosen as the most likely upstream lncRNA. In vitro experiments showed that LINC01234-siRNA inhibited the proliferation, invasion, and migration abilities of BC cells. Western blot analysis further confirmed that LINC01234 promoted malignant behaviors of BC cells via the CCT4/mTOR signaling pathway. CONCLUSION The LINC01234/hsa-miR-30c-2-3p/CCT4/mTOR axis was identified as a potential ceRNA regulatory mechanism in BC. These findings established the foundation for systematically unveiling the pathological mechanisms of BC and provided new insights for targeted therapy of BC patients.
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Affiliation(s)
- Chuangang Tang
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, 215123, China; Department of Breast Surgery, Xuzhou Central Hospital, Postgraduate Workstation of Soochow University Xuzhou, Jiangsu, 221009, China
| | - Changwen Li
- Department of Breast Surgery, Xuzhou Central Hospital, Jiangsu, 221009, China
| | - Chengling Chen
- Department of Breast Surgery, Xuzhou Central Hospital, Jiangsu, 221009, China
| | - Tao Chen
- The Xuzhou Clinical College of Xuzhou Medical University, Jiangsu, 221009, China
| | - Juan Zhu
- Department of Breast Surgery, Xuzhou Central Hospital, Jiangsu, 221009, China
| | - Mingyu Sun
- Department of Breast Surgery, Xuzhou Central Hospital, Jiangsu, 221009, China.
| | - Pei Wang
- Department of Breast Surgery, Xuzhou Central Hospital, Jiangsu, 221009, China.
| | - Conghui Han
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, 215123, China; Department of Urology, Xuzhou Central Hospital, Xuzhou, Jiangsu, 221009, China; Department of Urology, Xuzhou Clinical School of Xuzhou Medical University, Jiangsu, 221009, China; Department of Urology, Heilongjiang Provincial Hospital, Heilongjiang, 150036, China; College of Life Sciences, Jiangsu Normal University, Jiangsu, 221116, China.
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14
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Ren X, Shen L, Gao S. Transcription Factor E2F1 Enhances Hepatocellular Carcinoma Cell Proliferation and Stemness by Activating GINS1. J Environ Pathol Toxicol Oncol 2024; 43:79-90. [PMID: 37824372 DOI: 10.1615/jenvironpatholtoxicoloncol.2023048594] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023] Open
Abstract
Present studies report that high expression of GINS complex subunit 1 (GINS1) is notably pertinent to poor survival for hepatocellular carcinoma (HCC), but it remains unclear how GINS1 affects the progression of HCC. This study aims at investigating the mechanism by which GINS1 affects HCC cell proliferation and stemness. We performed bioinformatics analysis for determining GINS1 expression in HCC tissues, as well as the HCC patients' survival rate with different expression levels of GINS1. E2F transcription factor 1 (E2F1) was predicted as the upstream transcription factor of GINS1, and the binding relation between the two was verified by chromatin immunoprecipitation and dual-luciferase reporter assays. Quantitative real-time polymerase chain reaction was adopted to evaluate the expression of GINS1 and E2F1. The protein expression levels of GINS1, E2F1, and cell stemness-related genes (SOX-2, NANOG, OCT4, and CD133) were detected by Western blot. Afterward, the proliferative capacity and stemness of HCC tumor cells were determined through colony formation, cell counting kit-8, and sphere formation assays. Our study found the high expression of GINS1 and E2F1 in HCC, and overexpressed GINS1 markedly enhanced the sphere formation and proliferation of HCC cells, while silencing GINS1 led to the opposite results. Besides, E2F1 promoted the transcription of GINS1 by working as an upstream transcription factor. The results of the rescue experiment suggested that overexpressed E2F1 could offset the suppressive effect of GINS1 silencing on HCC cell stemness and proliferation. We demonstrated that the transcription factor E2F1 accelerated cell proliferation and stemness in HCC by activating GINS1 transcription. The results can provide new insight into the GINS1-related regulatory mechanism in HCC, which suggest that it may be an effective way for HCC treatment by targeting the E2F1/GINS1 axis.
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Affiliation(s)
- Xuefeng Ren
- Department of General Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 311100, China
| | - Lianqiang Shen
- Department of General Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 311100, China
| | - Shan Gao
- Department of General Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 311100, China
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15
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Li C, Fu Y, He Y, Huang N, Yue J, Miao Y, Lv J, Xiao Y, Deng R, Zhang C, Huang M. Knockdown of LINC00511 enhances radiosensitivity of lung adenocarcinoma via regulating miR-497-5p/SMAD3. Cancer Biol Ther 2023; 24:2165896. [PMID: 36861928 PMCID: PMC9988350 DOI: 10.1080/15384047.2023.2165896] [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] [Indexed: 03/03/2023] Open
Abstract
As the most common histological subtype of primary lung cancer, lung adenocarcinoma (LUAD) causes enormous cancer deaths worldwide. Radiotherapy has been frequently used in LUAD cases, and radiosensitivity is vital for LUAD therapy. This research sought to explore the genetic factors affecting radiosensitivity in LUAD and inner mechanisms. LINC00511, miR-497-5p, and SMAD3 expression in LUAD cells were detected via qRT-PCR and western blot. CCK-8 assays, colony formation, and flow cytometry assays were employed to explore the cell viability, apoptosis, and radiosensitivity in PC-9 and A549 cells. The targeting relationship between LINC00511, miR-497-5p, and SMAD3 was verified by dual luciferase reporter assay. Furthermore, xenograft experiments were performed for the in vivo verification. In conclusion, LINC00511 was overexpressed in LUAD cells, which downregulated downstream miR-497-5p expression and mediately led to SMAD3 activation. LINC00511 downregulation suppressed cell viability while enhanced apoptosis rate in LUAD cells. Also, LINC00511 and SMAD3 were overexpressed, while miR-497-5p was downregulated in LUAD cells exposed to 4Gy irradiation treatment. Moreover, LINC00511 inhibition could block SMAD3 expression and promoted the radiosensitivity both in vitro and in vivo. These findings uncover LINC00511 knockdown promoted miR-497-5p expression and subsequently led to lower SMAD3 level, which enhanced radiosensitivity in LUAD cells. LINC00511/miR-497-5p/SMAD3 axis could be of considerable potential to enhance radiosensitivity in LUAD.
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Affiliation(s)
- Chongxin Li
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Yanyan Fu
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Yongmei He
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Nan Huang
- Department of Pulmonary, the Shizong Hospital of First People’s Hospital in Qujing, Qujing, P.R. China
| | - Jun Yue
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Yi Miao
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Jialing Lv
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Youchuan Xiao
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Ruoyu Deng
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
| | - Chao Zhang
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
- CONTACT Chao zhang
| | - Meifang Huang
- Department of Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, P.R. China
- Meifang Huang Department of Surgical Oncology, the First People’s Hospital of Qujing/The Qujing Affiliated Hospital of Kunming Medical University, Qujing, Yunnan655000, P.R. China
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16
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Javadi M, Sazegar H, Doosti A. Genome editing approaches with CRISPR/Cas9: the association of NOX4 expression in breast cancer patients and effectiveness evaluation of different strategies of CRISPR/Cas9 to knockout Nox4 in cancer cells. BMC Cancer 2023; 23:1155. [PMID: 38012557 PMCID: PMC10683234 DOI: 10.1186/s12885-023-11183-9] [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: 02/13/2023] [Accepted: 07/16/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND The increasing prevalence of cancer detection necessitated practical strategies to deliver highly accurate, beneficial, and dependable processed information together with experimental results. We deleted the cancer biomarker NOX4 using three novel genetic knockout (KO) methods. Homology-directed repair (HDR), Dual allele HITI (Du-HITI) and CRISPR-excision were utilized in this study. METHODS The predictive value of the NOX4 expression profile was assessed using a combined hazard ratio (HR) with a 95% confidence interval (CI). With a 95% confidence interval, a pooled odd ratio (OR) was used to calculate the relationship between NOX4 expression patterns and cancer metastasis. There were 1060 tumor patients in all sixteen research that made up this meta-analysis. To stop the NOX4 from being transcribed, we employed three different CRISPR/Cas9-mediated knockdown methods. The expression of RNA was assessed using RT-PCR. We employed the CCK-8 assay, colony formation assays, and the invasion transwell test for our experiments measuring cell proliferation and invasion. Using a sphere-formation test, the stemness was determined. Luciferase reporter tests were carried out to verify molecular adhesion. Utilizing RT-qPCR, MTT, and a colony formation assay, the functional effects of NOX4 genetic mutation in CRISPR-excision, CRISPR-HDR, and CRISPR du-HITI knockdown cell lines of breast cancer were verified. RESULTS There were 1060 malignant tumors in the 16 studies that made up this meta-analysis. In the meta-analysis, higher NOX4 expression was linked to both a shorter overall survival rate (HR = 1.93, 95% CI 1.49-2.49, P < 0.001) and a higher percentage of lymph node metastases (OR = 3.22, 95% CI 2.18-4.29, P < 0.001). In breast carcinoma cells, it was discovered that NOX4 was overexpressed, and this increase was linked to a poor prognosis. The gain and loss-of-function assays showed enhanced NOX4 breast carcinoma cell proliferation, sphere-forming capacity, and tumor development. To activate transcription, the transcriptional factor E2F1 also attaches to the promoter region of the Nanog gene. The treatment group (NOX4 ablation) had substantially more significant levels of proapoptotic gene expression than the control group (P < 0.01). Additionally, compared to control cells, mutant cells expressed fewer antiapoptotic genes (P < 0.001). The du-HITI technique incorporated a reporter and a transcription termination marker into the two target alleles. Both donor vector preparation and cell selection were substantially simpler using this approach than with "CRISPR HDR" or "CRISPR excision." Furthermore, single-cell knockouts for both genotypes were created when this method was applied in the initial transfection experiment. CONCLUSIONS The NOX4 Knockout cell lines generated in this research may be used for additional analytical studies to reveal the entire spectrum of NOX4 activities. The du-HITI method described in this study was easy to employ and could produce homozygous individuals who were knockout for a specific protein of interest.
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Affiliation(s)
- Marzieh Javadi
- Department of Biology, Faculty of Science, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Hossein Sazegar
- Department of Biology, Faculty of Science, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
| | - Abbas Doosti
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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17
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Lin Y, Li J, Li S, Chen Y, Luo Y, Wang Y, Yang Z. Long noncoding RNA LINC00482 silencing sensitizes non-small cell lung cancer cells to cisplatin by downregulating CLASRP via E2F1. Funct Integr Genomics 2023; 23:335. [PMID: 37966662 DOI: 10.1007/s10142-023-01260-4] [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: 07/07/2023] [Revised: 10/09/2023] [Accepted: 10/20/2023] [Indexed: 11/16/2023]
Abstract
Long noncoding RNA LINC00482 (LINC00482) is dysregulated in non-small cell lung cancer cells (NSCLC). Herein, this research examined the actions and specific mechanisms of LINC00482 in cisplatin (DDP) resistance in NSCLC. LINC00482 expression was assessed using RT-qPCR in clinical NSCLC tissues and cell lines. Knockdown and ectopic expression assays were conducted in A549 and HCC44 cells, followed by determination of cell proliferation with CCK-8 and clone formation assays, apoptosis with flow cytometry, and DDP sensitivity. The association between LINC00482, E2F1, and CLASRP was evaluated with dual-luciferase reporter, ChIP, and RIP assays. The role of LINC00482 in NSCLC was confirmed in nude mice. NSCLC tissues and cells had upregulated LINC00482 expression. LINC00482 was mainly localized in the cell nucleus, and LINC00482 recruited E2F1 to enhance CLASRP expression in NSCLC cells. LINC00482 knockdown enhanced the DDP sensitivity and apoptosis of NSCLC cells while reducing cell proliferation, which was negated by overexpressing CLASRP. LINC00482 knockdown restricted tumor growth and enhanced DDP sensitivity in NSCLC in vivo. LINC00482 silencing downregulated CLASRP through E2F1 to facilitate the sensitivity to DDP in NSCLC.
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Affiliation(s)
- Yanming Lin
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China
| | - Jinmei Li
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China
| | - Shujun Li
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China
| | - Yuting Chen
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China
| | - Yiping Luo
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China
| | - Yongcun Wang
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China.
| | - Zhixiong Yang
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, 524000, People's Republic of China.
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Chen X, Zhang L. Integrative Analysis Revealed LINC00847 as a Potential Target of Tumor Immunotherapy. Appl Biochem Biotechnol 2023; 195:6345-6358. [PMID: 36864364 PMCID: PMC10511587 DOI: 10.1007/s12010-023-04387-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] [Accepted: 02/17/2023] [Indexed: 03/04/2023]
Abstract
Lung cancer is the second most commonly diagnosed cancer and the leading cause of cancer-related death. Lung adenocarcinoma (LUAD) is the most common form of lung cancer and has a low 5-year survival rate. Therefore, much more research is needed to identify cancer biomarkers, promote biomarker-driven therapy and improve treatment outcomes. LncRNAs have been reported to participate in various physiological and pathological processes, especially in cancer, and thus have attracted much attention. In this study, lncRNAs were screened from the single-cell RNA-seq dataset CancerSEA. Among them, four lncRNAs (HCG18, NNT-AS1 and LINC00847 and CYTOR) were closely associated with the prognosis of LUAD patients according to Kaplan-Meier analysis. Further study explored the correlations between these four lncRNAs and immune cell infiltration in cancer. In LUAD, LINC00847 was positively correlated with the immune infiltration of B cells, CD8 T cells, and dendritic cells. LINC00847 decreased the expression of PD-L1, immune checkpoint blockade (ICB) immunotherapy-related gene, which suggests that LINC00847 is a potential new target for tumor immunotherapy.
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Affiliation(s)
- Xiujuan Chen
- Center for Reproductive Medicine, The Affiliated Hospital of Inner Mongolia Medical University, 1 Tong Dao Street, Huimin District, 010050, Hohhot, Inner Mongolia, China.
| | - Le Zhang
- Center for Reproductive Medicine, The Affiliated Hospital of Inner Mongolia Medical University, 1 Tong Dao Street, Huimin District, 010050, Hohhot, Inner Mongolia, China.
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19
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Song J, Tang Y, Song F. Lnc‑RGS5 sponges miR‑542‑5p to promote FoxM1/VEGFA signaling and breast cancer cell proliferation. Int J Oncol 2023; 63:111. [PMID: 37594134 PMCID: PMC10552728 DOI: 10.3892/ijo.2023.5559] [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: 04/12/2023] [Accepted: 07/26/2023] [Indexed: 08/19/2023] Open
Abstract
Breast cancer (BRCA) exhibits a high incidence rate among women worldwide. LOC127814295 (ENSG00000232995), termed long non‑coding (lnc)‑regulator of G protein signaling 5 (RGS5), is a novel lncRNA with a genomic region overlapping with protein‑coding gene RGS5. Results obtained using The Cancer Genome Atlas demonstrated that lnc‑RGS5 was deregulated in diverse cancer types, including BRCA; however, the functional role of lnc‑RGS5 remains unclear. Results of the present study demonstrated that lnc‑RGS5 was upregulated in BRCA tissues compared with healthy samples (n=30; P<0.0001), and was associated with the overall survival of patients with triple‑negative BRCA (n=106; P<0.05). Moreover, lnc‑RGS5 expression was significantly higher in triple‑negative BRCA samples than in LumA, LumB, or Her2 subtypes (P<0.05). Functionally, lnc‑RGS5 upregulation promoted BRCA cell proliferation in vitro, whereas lnc‑RGS5 knockdown elicited the opposite function. Stable knockdown of lnc‑RGS5 inhibited tumor cell proliferation in vivo. Bioinformatics analysis revealed that lnc‑RGS5 was significantly associated with RNA binding involved in post‑transcriptional gene silencing (P=0.002). Mechanistically, lnc‑RGS5 functions as a competing endogenous RNA via competitively sponging miR‑542‑5p to upregulate forkhead box M1 (FoxM1) and the VEGFA/Neuropilin 1 axis; thus, promoting BRCA cell proliferation in vitro. Moreover, rescue experiments validated that the lnc‑RGS5/miR‑542‑5p/FoxM1 axis promoted BRCA cell growth in vivo. Collectively, results of the present study demonstrated that lnc‑RGS5 may exhibit potential as a novel oncogenic lncRNA in BRCA. The present study may provide a novel theoretical basis for the role of lncRNA in the targeted therapy of BRCA.
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Affiliation(s)
| | | | - Fangzhou Song
- Molecular and Tumor Research Center, The Basic Medical School of Chongqing Medical University, Chongqing 400016, P.R. China
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Dong Y, Zhang T, Shao S, Li X, Jiang P, Guo Y, Gu D. Knockdown of ABHD11‑AS1 prevents the procession of TNBC by upregulating miR‑199a‑5p. Biomed Rep 2023; 19:69. [PMID: 37719680 PMCID: PMC10502577 DOI: 10.3892/br.2023.1651] [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: 12/08/2022] [Accepted: 07/03/2023] [Indexed: 09/19/2023] Open
Abstract
Breast cancer (BC) has become a threat to women's health. In addition, patients with triple-negative BC (TNBC) have the worst prognosis among all patients with BC. Furthermore, long non-coding RNA ABHD11-AS1 is aberrantly highly expressed in TNBC, suggesting that RNA ABHD11-AS1 may serve as an important role in the progression of TNBC. However, the detailed function of ABHD11-AS1 in TNBC remains largely unknown. The levels of ABHD11-AS1 in MDA-MB-231 cells were assessed by reverse transcription-quantitative PCR. To investigate the effect of ABHD11-AS1 on the progression of TNBC, a xenograft animal model was established. Knockdown of ABHD11-AS1 inhibited the epithelial-mesenchymal transition and migration of TNBC cells. In addition, ABHD11-AS1 promoted the viability and migration of TNBC cells by upregulating microRNA (miR)-199a-5p. Furthermore, knockdown of ABHD11-AS1 suppressed TNBC tumor growth in vivo by upregulating miR-199a-5p. In conclusion, knockdown of ABHD11-AS1 suppressed the progression of TNBC via upregulation of miR-199a-5p. The data of the present study may provide novel directions and a theoretical basis for TNBC treatment.
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Affiliation(s)
- Ying Dong
- Schools of Medicine and Nursing Sciences, Huzhou University, Huzhou, Zhejiang 313000, P.R. China
| | - Ting Zhang
- Schools of Medicine and Nursing Sciences, Huzhou University, Huzhou, Zhejiang 313000, P.R. China
| | - Shengwen Shao
- Schools of Medicine and Nursing Sciences, Huzhou University, Huzhou, Zhejiang 313000, P.R. China
| | - Xining Li
- Schools of Medicine and Nursing Sciences, Huzhou University, Huzhou, Zhejiang 313000, P.R. China
| | - Peiyu Jiang
- Schools of Medicine and Nursing Sciences, Huzhou University, Huzhou, Zhejiang 313000, P.R. China
| | - Yue Guo
- Schools of Medicine and Nursing Sciences, Huzhou University, Huzhou, Zhejiang 313000, P.R. China
| | - Donghua Gu
- Department of Pathology, Suzhou Science and Technology Town Hospital, Suzhou, Jiangsu 215153, P.R. China
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21
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Hussen BM, Hidayat HJ, Abdullah SR, Mohamadtahr S, Rasul MF, Samsami M, Taheri M. Role of long non-coding RNAs and TGF-β signaling in the regulation of breast cancer pathogenesis and therapeutic targets. Cytokine 2023; 170:156351. [PMID: 37657235 DOI: 10.1016/j.cyto.2023.156351] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 08/22/2023] [Accepted: 08/25/2023] [Indexed: 09/03/2023]
Abstract
The cytokine known as transforming growth factor (TGF) is essential for cell development, differentiation, and apoptosis in BC. TGF-β dysregulation can either promote or inhibit tumor development, and it is a key signaling pathway in BC spread. A recently identified family of ncRNAs known as lncRNAs has received a great deal of effort and is an important regulator of many cellular processes, including transcription of genes, chromatin remodeling, progression of the cell cycle, and posttranscriptional processing. Furthermore, both TGF-β signaling and lncRNAs serve as important early-stage biomarkers for BC diagnosis and prognosis and also play a significant role in BC drug resistance. According to recent studies, lncRNAs can regulate TGF-β by modulating its cofactors in BC. However, the particular functions of lncRNAs and the TGF-β pathway in controlling BC progression are not well understood yet. This review explores the lncRNAs' functional properties in BC as tumor suppressors or oncogenes in the regulation of genes, with a focus on dysregulated TGF-β signaling. Further, we emphasize the functional roles of lncRNAs and TGF-β pathway in the progression of BC to discover new treatment strategies and better comprehend the fundamental cellular pathways.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Kurdistan Region, Erbil, Iraq; Department of Biomedical Sciences, Cihan University-Erbil, Erbil, Kurdistan Region 44001, Iraq
| | - Hazha Jamal Hidayat
- Department of Biology, College of Education, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Snur Rasool Abdullah
- Department of Medical Laboratory Science, College of Health Sciences, Lebanese French University, Kurdistan Region, Erbil, Iraq
| | - Sayran Mohamadtahr
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Kurdistan Region, Erbil, Iraq
| | - Mohammad Fatih Rasul
- Department of Pharmaceutical Basic Science, Faculty of Pharmacy, Tishk International University, Erbil, Kurdistan Region, Iraq
| | - Majid Samsami
- Cancer Research Center, 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.
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22
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Eldash S, Sanad EF, Nada D, Hamdy NM. The Intergenic Type LncRNA (LINC RNA) Faces in Cancer with In Silico Scope and a Directed Lens to LINC00511: A Step toward ncRNA Precision. Noncoding RNA 2023; 9:58. [PMID: 37888204 PMCID: PMC10610215 DOI: 10.3390/ncrna9050058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/09/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023] Open
Abstract
BACKGROUND Long intergenic non-coding RNA, is one type of lncRNA, exerting various cellular activities, as does ncRNA, including the regulation of gene expression and chromatin remodeling. The abnormal expression of lincRNAs can induce or suppress carcinogenesis. MAIN BODY LincRNAs can regulate cancer progression through different mechanisms and are considered as potential drug targets. Genetic variations such as single nucleotide polymorphisms (SNPs) in lincRNAs may affect gene expression and messenger ribonucleic acid (mRNA) stability. SNPs in lincRNAs have been found to be associated with different types of cancer, as well. Specifically, LINC00511 has been known to promote the progression of multiple malignancies such as breast cancer, colorectal cancer, lung cancer, hepatocellular carcinoma, and others, making it a promising cancer prognostic molecular marker. CONCLUSION LincRNAs have been proved to be associated with different cancer types through various pathways. Herein, we performed a comprehensive literature and in silico databases search listing lncRNAs, lincRNAs including LINC00511, lncRNAs' SNPs, as well as LINC00511 SNPs in different cancer types, focusing on their role in various cancer types and mechanism(s) of action.
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Affiliation(s)
- Shorouk Eldash
- Pharmacology and Biochemistry Department, Faculty of Pharmacy, The British University in Egypt (BUE), El Sherouk, Cairo 11837, Egypt; (S.E.)
| | - Eman F. Sanad
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
| | - Dina Nada
- Pharmacology and Biochemistry Department, Faculty of Pharmacy, The British University in Egypt (BUE), El Sherouk, Cairo 11837, Egypt; (S.E.)
| | - Nadia M. Hamdy
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
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23
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Ding B, Ye Z, Yin H, Hong XY, Feng SW, Xu JY, Shen Y. Exosomes derived from ovarian cancer cells regulate proliferation and migration of cancer-associated fibroblasts. Genomics 2023; 115:110703. [PMID: 37678440 DOI: 10.1016/j.ygeno.2023.110703] [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: 02/09/2023] [Revised: 06/16/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
Cancer-associated fibroblast (CAF) is an essential risk factor for ovarian cancer. Exosomes can mediate cellular communication in the tumour microenvironment, but the interaction of tumour cell exosomes with CAF is less studied in Ovarian cancer. This study identified H19/miR-29c-3p/LOXL2-COL1A1 as a ceRNA regulatory network involved in regulating tumour matrix-associated signaling pathways associated with CAF. Cellular assays demonstrated that exosomes from ovarian cancer cell line SKOV3 significantly promoted the proliferation and migration of CAF. The results of mixed transplantation tumour experiments in nude mice showed that exosomes of SKOV3 significantly promoted tumour growth. Ovarian cancer tumour-derived exosomes can regulate CAF proliferation and migration through H19/miR-29c-3p/LOXL2-COL1A1. This study reveals the regulatory role of tumour exosomes on CAF, which may provide a theoretical basis for the development of therapeutic regimens targeting fibroblasts in ovarian cancer.
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Affiliation(s)
- Bo Ding
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Zheng Ye
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Han Yin
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Xin-Yi Hong
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Song-Wei Feng
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Jing-Yun Xu
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yang Shen
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.
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24
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Li M, Lin C, Cai Z. Downregulation of the long noncoding RNA DSCR9 (Down syndrome critical region 9) delays breast cancer progression by modulating microRNA-504-5p-dependent G protein-coupled receptor 65. Hum Cell 2023:10.1007/s13577-023-00916-4. [PMID: 37248366 DOI: 10.1007/s13577-023-00916-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 05/08/2023] [Indexed: 05/31/2023]
Abstract
Possible roles of long noncoding RNAs (lncRNAs) in cancer stem cells (CSCs) have often been reported. Here, we focused on the regulatory function of the lncRNA Down syndrome critical region 9 (DSCR9) in breast cancer stem cells (BCSCs). Through bioinformatics analysis, DSCR9, microRNA-504-5p (miR-504-5p), and G protein-coupled receptor 65 (GPR65) were identified as targets implicated in breast cancer development. Then, clinical tissue samples, breast cancer cells, and isolated BCSCs were used to determine the expression of DSCR9, miR-504-5p, and GPR65. The results confirmed the overexpression of DSCR9 and GPR65 but low expression of miR-504-5p in breast cancer tissues and cells as well as in BCSCs. Following mechanistic investigation, it was found that DSCR9 targeted miR-504-5p, and that silencing DSCR9 inhibited the proliferation of BCSCs by elevating the expression of miR-504-5p. Additionally, miR-504-5p targeted GPR65 and inhibited its expression. Moreover, GPR65 activated the MEK/ERK signaling pathway to regulate BCSC proliferation. Finally, animal study verified that depletion of DSCR9 inhibited the proliferation of BCSCs in vivo and that BCSC proliferation was restored by overexpression of GPR65. Altogether, our findings revealed that DSCR9 elevated GPR65 expression by targeting miR-504-5p to exacerbate breast cancer, highlighting a new treatment modality for breast cancer.
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Affiliation(s)
- Mingzhu Li
- Area N4 of Surgical Oncology, Quanzhou First Hospital Affiliated Fujian Medical University, No. 1028, Anji South Road, Fengze District, Quanzhou, 362000, Fujian Province, China.
| | - Conglin Lin
- Area N4 of Surgical Oncology, Quanzhou First Hospital Affiliated Fujian Medical University, No. 1028, Anji South Road, Fengze District, Quanzhou, 362000, Fujian Province, China
| | - Zhibing Cai
- Area N4 of Surgical Oncology, Quanzhou First Hospital Affiliated Fujian Medical University, No. 1028, Anji South Road, Fengze District, Quanzhou, 362000, Fujian Province, China
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25
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Peng Y, Huang X, Wang H. Serum lncRNA LINC01535 as Biomarker of Diagnosis, Prognosis, and Disease Progression in Breast Cancer. Clin Breast Cancer 2023:S1526-8209(23)00109-X. [PMID: 37268524 DOI: 10.1016/j.clbc.2023.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 05/09/2023] [Accepted: 05/11/2023] [Indexed: 06/04/2023]
Abstract
BACKGROUND Breast cancer has become the world's leading cancer, the leading killer of women's health, with a high mortality rate. With the development of medical technology, lncRNAs are widely used in the diagnosis and prognosis of various tumors, so finding new specific molecular markers and targets is the key to prolonging the survival time of breast cancer patients. MATERIALS AND METHODS The expressions of lncRNA LINC01535 and miR-214-3p in breast cancer were detected by quantitative real-time PCR (qRT-PCR). The diagnostic significance of LINC01535 in breast cancer was assessed by ROC curve. The prognostic value of LINC01535 was verified by Kaplan-Meier method. The regulation of low expression of LINC01535 on proliferation and other biological abilities of breast cancer cells was determined by CCK-8 and Transwell method. The luciferase activity report assays indicated the relationship between LINC01535 and miR-214-3p. RESULTS LINC01535 was elevated in breast cancer, which was negatively correlated with miR-214-3p, and miR-214-3p expression was decreased. LINC01535 proved to be promising in the diagnosis and prognosis of breast cancer. Low expression of LINC01535 targeting miR-214-3p had regulatory significance on tumor progression, lymph node metastasis and TNM stage. CONCLUSION Silencing LINC01535 inhibited the proliferation capacity, migration level and invasion of breast cancer cells in vitro. LINC01535 was likely to be the focus of continued attention as a diagnostic and prognosis marker for breast cancer in the future.
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Affiliation(s)
- Yi Peng
- Department of Breast Surgery, Fujian Provincial Maternity and Children's Hospital, Fuzhou, China.
| | - Xiaoxi Huang
- Department of Breast Surgery, Fujian Provincial Maternity and Children's Hospital, Fuzhou, China
| | - Hongmei Wang
- Department of Breast Surgery, Fujian Provincial Maternity and Children's Hospital, Fuzhou, China
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26
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Huang Y, Mo W, Ding X, Ding Y. Long non-coding RNAs in breast cancer stem cells. Med Oncol 2023; 40:177. [PMID: 37178429 DOI: 10.1007/s12032-023-02046-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
Breast cancer, one of the most commonly diagnosed cancers worldwide, is a heterogeneous disease with high rates of recurrence and metastasis that contribute to its high mortality rate. Breast cancer stem cells (BCSCs) are a small but significant subset of heterogeneous breast cancer cells that possess stem cell characteristics such as self-renewal and differentiation abilities that may drive metastasis and recurrence. Long non-coding RNAs (lncRNAs) are a class of RNAs that are longer than 200 nucleotides in length and do not possess protein-coding properties. An increasing number of studies have shown that some lncRNAs are abnormally expressed in BCSCs, and have great biological significance in the occurrence, progression, invasion, and metastasis of various cancers. However, the importance of lncRNAs, as well as the molecular mechanisms that regulate and promote the stemness of BCSCs, are still poorly understood. In the current review, we aim to summarize recent studies that highlight the role of lncRNAs in tumor occurrence and progression through BCSCs. In addition, the utility of lncRNAs as biomarkers of breast cancer progression, and their potential use as therapeutic targets for treatment of breast cancer, will be discussed.
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Affiliation(s)
- Yuting Huang
- Department of Oncology, Wenzhou Medical University, Wenzhou, 325035, China
- Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, Zhejiang, China
| | - Wenju Mo
- Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, Zhejiang, China
| | - Xiaowen Ding
- Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, Zhejiang, China.
| | - Yuqin Ding
- Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, Zhejiang, China.
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27
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Zeng Y, Du W, Huang Z, Wu S, Ou X, Zhang J, Peng C, Sun X, Tang H. Hsa_circ_0060467 promotes breast cancer liver metastasis by complexing with eIF4A3 and sponging miR-1205. Cell Death Discov 2023; 9:153. [PMID: 37160894 PMCID: PMC10169853 DOI: 10.1038/s41420-023-01448-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/11/2023] Open
Abstract
Breast cancer (BC) is the most common cancer and the top cause of female mortality worldwide. The prognosis for patients with breast cancer liver metastasis (BCLM) remains poor. Emerging studies suggest that circular RNAs (circRNAs) are associated with the progression of BC. Exploration of circRNAs presents a promising avenue for identifying metastasis-targeting agents and improving the prognosis of patients with BCLM. Microarray and bioinformatic analyses were used to analyze differentially expressed circRNAs between three pairs of BCLM and primary BC. The roles of hsa_circ_0060467 (circMYBL2) and its target gene E2F1 in BC cells were explored by multiple functional experiments. And xenograft mouse models and hepatic metastases of BC hemi-spleen models were used to illustrate the function of circMYBL2 in vivo. The intrinsic molecular mechanism involving circMYBL2 was confirmed by bioinformatics analyses, RIP assays, CHIRP assays, luciferase reporter assays, and rescue experiments. CircMYBL2 was overexpressed in BCLM tissues and BC cells. Functionally, circMYBL2 can facilitate the proliferation and liver metastasis of BC. Mechanistically, circMYBL2 upregulated the transcription factor E2F1 by sponging miR-1205 and complexing with eukaryotic translation initiation factor 4A3 (eIF4A3) and then facilitated the epithelial-mesenchymal transition (EMT) process in BC cells. Our findings showed that circMYBL2 promoted the tumorigenesis and aggressiveness of BC through the circMYBL2/miR-1205/E2F1 and circMYBL2/eIF4A3/E2F1 axes, which may provide a novel targeted therapy for patients with BCLM.
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Affiliation(s)
- Yan Zeng
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, China
| | - Wei Du
- Department of Pathology, the First People's Hospital of Changde City, Changde, Hunan, China
| | - Zhongying Huang
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Song Wu
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Xueqi Ou
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Jinhui Zhang
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Xiaoqing Sun
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China.
| | - Hailin Tang
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China.
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28
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Zhang C, Zhou Y, Zhang B, Sheng Z, Sun N, Yuan B, Wu X. Identification of lncRNA, miRNA and mRNA expression profiles and ceRNA Networks in small cell lung cancer. BMC Genomics 2023; 24:217. [PMID: 37098483 PMCID: PMC10131370 DOI: 10.1186/s12864-023-09306-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 04/11/2023] [Indexed: 04/27/2023] Open
Abstract
BACKGROUND Small cell lung cancer (SCLC) is a highly lethal malignant tumor. It accounts for approximately 15% of newly diagnosed lung cancers. Long non-coding RNAs (lncRNAs) can regulate gene expression and contribute to tumorigenesis through interactions with microRNAs (miRNAs). However, there are only a few studies reporting the expression profiles of lncRNAs, miRNAs, and mRNAs in SCLC. Also, the role of differentially expressed lncRNAs, miRNAs, and mRNAs in relation to competitive endogenous RNAs (ceRNA) network in SCLC remain unclear. RESULTS In the present study, we first performed next generation sequencing (NGS) with six pairs of SCLC tumors and adjacent non-cancerous tissues obtained from SCLC patients. Overall, 29 lncRNAs, 48 miRNAs, and 510 mRNAs were found to be differentially expressed in SCLC samples (|log2[fold change] |> 1; P < 0.05). Bioinformatics analysis was performed to predict and construct a lncRNA-miRNA-mRNA ceRNA network, which included 9 lncRNAs, 11 miRNAs, and 392 mRNAs. Four up-regulated lncRNAs and related mRNAs in the ceRNA regulatory pathways were selected and validated by quantitative PCR. In addition, we examined the role of the most upregulated lncRNA, TCONS_00020615, in SCLC cells. We found that TCONS_00020615 may regulate SCLC tumorigenesis through the TCONS_00020615-hsa-miR-26b-5p-TPD52 pathway. CONCLUSIONS Our study provided the comprehensive analysis of the expression profiles of lncRNAs, miRNAs, and mRNAs of SCLC tumors and adjacent non-cancerous tissues. We constructed the ceRNA networks which may provide new evidence for the underlying regulatory mechanism of SCLC. We also found that the lncRNA TCONS_00020615 may regulate the carcinogenesis of SCLC.
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Affiliation(s)
- Chenxi Zhang
- Central Laboratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, People's Republic of China.
| | - Ying Zhou
- Central Laboratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - Bin Zhang
- Central Laboratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - Zhihong Sheng
- Central Laboratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - Nan Sun
- Central Laboratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - Baiyin Yuan
- College of Life Science and Health, Biomedical Research Institute, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China.
| | - Xiaoyuan Wu
- Central Laboratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, People's Republic of China.
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29
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Xin X, Jia-Yin Y, Jun-Yang H, Rui W, Xiong-Ri K, Long-Rui D, Liu J, Jue-Yu Z. Comprehensive analysis of lncRNA-mRNA co-expression networks in HPV-driven cervical cancer reveals the pivotal function of LINC00511-PGK1 in tumorigenesis. Comput Biol Med 2023; 159:106943. [PMID: 37099974 DOI: 10.1016/j.compbiomed.2023.106943] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 04/06/2023] [Accepted: 04/14/2023] [Indexed: 04/28/2023]
Abstract
BACKGROUND Mounting evidence suggests that noncoding RNAs (lncRNAs) were involved in various human cancers. However, the role of these lncRNAs in HPV-driven cervical cancer (CC) has not been extensively studied. Considering that HR-HPV infections contribute to cervical carcinogenesis by regulating the expression of lncRNAs, miRNAs and mRNAs, we aim to systematically analyze lncRNAs and mRNAs expression profile to identify novel lncRNAs-mRNAs co-expression networks and explore their potential impact on tumorigenesis in HPV-driven CC. METHODS LncRNA/mRNA microarray technology was utilized to identify the differentially expressed lncRNAs (DElncRNAs) and mRNAs (DEmRNAs) in HPV-16 and HPV-18 cervical carcinogenesis compared to normal cervical tissues. Venn diagram and weighted gene co-expression network analysis (WGCNA) were used to identify the hub DElncRNAs/DEmRNAs that were both significantly correlated with HPV-16 and HPV-18 CC patients. LncRNA-mRNA correlation analysis and functional enrichment pathway analysis were performed on these key DElncRNAs/DEmRNAs in HPV-16 and HPV-18 CC patients to explore their mutual mechanism in HPV-driven CC. A lncRNA-mRNA co-expression score (CES) model was established and validated by using the Cox regression method. Afterward, the clinicopathological characteristics were analyzed between CES-high and CES-low groups. In vitro, functional experiments were performed to evaluate the role of LINC00511 and PGK1 in cell proliferation, migration and invasion in CC cells. To understand whether LINC00511 play as an oncogenic role partially via modulating the expression of PGK1, rescue assays were used. RESULTS We identified 81 lncRNAs and 211 mRNAs that were commonly differentially expressed in HPV-16 and HPV-18 CC tissues compared to normal tissues. The results of lncRNA-mRNA correlation analysis and functional enrichment pathway analysis showed that the LINC00511-PGK1 co-expression network may make an important contribution to HPV-mediated tumorigenesis and be closely associated with metabolism-related mechanisms. Combined with clinical survival data, the prognostic lncRNA-mRNA co-expression score (CES) model based on LINC00511 and PGK1 could precisely predict patients' overall survival (OS). CES-high patients had a worse prognosis than CES-low patients and the enriched pathways and potential targets of applicable drugs were explored in CES-high patients. In vitro experiments confirmed the oncogenic functions of LINC00511 and PGK1 in the progression of CC, and revealed that LINC00511 functions in an oncogenic role in CC cells partially via modulating the expression of PGK1. CONCLUSIONS Together, these data identify co-expression modules that provide valuable information to understand the pathogenesis of HPV-mediated tumorigenesis, which highlights the pivotal function of the LINC00511-PGK1 co-expression network in cervical carcinogenesis. Furthermore, our CES model has a reliable predicting ability that could stratify CC patients into low- and high-risk groups of poor survival. This study provides a bioinformatics method to screen prognostic biomarkers which leads to lncRNA-mRNA co-expression network identification and construction for patients' survival prediction and potential drug applications in other cancers.
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Affiliation(s)
- Xu Xin
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Yu Jia-Yin
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory for Safety Evaluation of Cosmetics, School of Public Health, Southern Medical University, Guangzhou, 510515, China
| | - Huang Jun-Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China; School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Wang Rui
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Kuang Xiong-Ri
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Dang Long-Rui
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Jie Liu
- Department of Gynaecology and Obstetrics, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Zhou Jue-Yu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.
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30
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De Summa S, Traversa D, Daniele A, Palumbo O, Carella M, Stallone R, Tufaro A, Oliverio A, Bruno E, Digennaro M, Danza K, Pasanisi P, Tommasi S. miRNA deregulation and relationship with metabolic parameters after Mediterranean dietary intervention in BRCA-mutated women. Front Oncol 2023; 13:1147190. [PMID: 37081976 PMCID: PMC10110888 DOI: 10.3389/fonc.2023.1147190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/21/2023] [Indexed: 04/07/2023] Open
Abstract
BackgroundBreast cancer onset is determined by a genetics-environment interaction. BRCA1/2 gene alterations are often genetically shared in familial context, but also food intake and hormonal assessment seem to influence the lifetime risk of developing this neoplasia. We previously showed the relationship between a six-months Mediterranean dietary intervention and insulin, glucose and estradiol levels in BRCA1/2 carrier subjects. The aim of the present study was to evidence the eventual influence of this dietary intervention on the relationship between circulating miRNA expression and metabolic parameters in presence of BRCA1/2 loss of function variants.MethodsPlasma samples of BRCA-women have been collected at the baseline and at the end of the dietary intervention. Moreover, subjects have been randomized in two groups: dietary intervention and placebo. miRNA profiling and subsequent ddPCR validation have been performed in all the subjects at both time points.ResultsddPCR analysis confirmed that five (miR-185-5p, miR-498, miR-3910, miR-4423 and miR-4445) of seven miRNAs, deregulated in the training cohort, were significantly up-regulated in subjects after dietary intervention compared with the baseline measurement. Interestingly, when we focused on variation of miRNA levels in the two timepoints, it could be observed that miR-4423, miR-4445 and miR-3910 expressions are positively correlated with variation in vitaminD level; whilst miR-185-5p difference in expression is related to HDL cholesterol variation.ConclusionsWe highlighted the synergistic effect of a healthy lifestyle and epigenetic regulation in BC through the modulation of specific miRNAs. Different miRNAs have been reported involved in the tumor onset acting as tumor suppressors by targeting tumor-associated genes that are often downregulated.
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Affiliation(s)
- Simona De Summa
- Pharmacological and Molecular Diagnostics Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Debora Traversa
- Pharmacological and Molecular Diagnostics Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Antonella Daniele
- Clinical Pathology Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Orazio Palumbo
- Division of Medical Genetics, Fondazione IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo, Foggia, Italy
| | - Massimo Carella
- Division of Medical Genetics, Fondazione IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo, Foggia, Italy
| | - Raffaella Stallone
- Division of Medical Genetics, Fondazione IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo, Foggia, Italy
| | - Antonio Tufaro
- Biobank, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Andreina Oliverio
- Department of Epidemiology and Data Science, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Eleonora Bruno
- Department of Experimental Oncology IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Maria Digennaro
- Heredo-Familiar Cancer Clinic, IRCCS, Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Katia Danza
- Clinical Pathology Unit, “S. S. Annunziata” Hospital, Taranto, Italy
| | - Patrizia Pasanisi
- Department of Experimental Oncology IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Stefania Tommasi
- Pharmacological and Molecular Diagnostics Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
- *Correspondence: Stefania Tommasi,
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Xu Y, Xu M, Li X, Weng X, Su Z, Zhang M, Tan J, Zeng H, Li X, Nie L, Gong J, Chen N, Chen X, Zhou Q. SOX9 and HMGB3 co-operatively transactivate NANOG and promote prostate cancer progression. Prostate 2023; 83:440-453. [PMID: 36541373 DOI: 10.1002/pros.24476] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 06/03/2021] [Accepted: 06/29/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND The homeodomain-containing transcription factor NANOG is overexpressed in prostate adenocarcinoma (PCa) and predicts poor prognosis. The SOX family transcription factor SOX9, as well as the transcription co-activator HMGB3 of the HMGB family, are also overexpressed and may play pivotal roles in PCa. However, it is unknown whether SOX9 and HMGB3 interact with each other, or if they regulate NANOG gene transcription. METHODS We identified potential SOX9 responsive elements in NANOG promoter, and investigated if SOX9 regulated NANOG transcription in co-operation with HMGB3 by experimental analysis of potential SOX9 binding sites in NANOG promoter, reporter gene transcription assays with or without interference or artificial overexpression of SOX9 and/or HMGB3, and protein-binding assays of SOX9-HMGB3 interaction. Clinicopathologic and prognostic significance of SOX9-HMGB3 overexpression in PCa was analyzed. RESULTS SOX9 activated NANOG gene transcription by preferentially binding to a highly conserved consensus cis-regulatory element (-573 to -568) in NANOG promoter, and promoted the expression of NANOG downstream oncogenic genes. Importantly, HMGB3 functioned as a partner of SOX9 to co-operatively enhance transactivation of NANOG by interacting with SOX9, predominantly via the HMG Box A domain of HMGB3. Overexpression of SOX9 and/or HMGB3 enhanced PCa cell survival and cell migration and were significantly associated with PCa progression. Notably, Cox proportional regression analysis showed that co-overexpression of both SOX9 and HMGB3 was an independent unfavorable prognosticator for both CRPC-free survival (relative risk [RR] = 3.779,95% confidence interval [CI]: 1.159-12.322, p = 0.028) and overall survival (RR = 3.615,95% CI: 1.101-11.876, p = 0.034). CONCLUSIONS These findings showed a novel SOX9/HMGB3/NANOG regulatory mechanism, deregulation of which played important roles in PCa progression.
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Affiliation(s)
- Yunyi Xu
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Miao Xu
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xinglan Li
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Weng
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Zhengzheng Su
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Mengni Zhang
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Junya Tan
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Hao Zeng
- Department of Urology and Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Xun Li
- Department of Ophthalmology and Research Laboratory of Ophthalmology and Vision Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Ling Nie
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Jing Gong
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Ni Chen
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xueqin Chen
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Qiao Zhou
- Department of Pathology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
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Cheng M, Liu Y, Guo Y, Li M, Xian S, Qin H, Yang Y, Qian W, Tang J, Lu Y, Yao Y, Zhang M, Jin M, Xu L, Huang R, Xu D. Pan-cancer analysis reveals signal transducer and activator of transcription (STAT) gene family as biomarkers for prognostic prediction and therapeutic guidance. Front Genet 2023; 14:1120500. [PMID: 36968603 PMCID: PMC10034013 DOI: 10.3389/fgene.2023.1120500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 02/20/2023] [Indexed: 03/11/2023] Open
Abstract
Background: The signal transducer and activator of transcription (STAT) gene family have been widely found to regulate cell proliferation, differentiation, apoptosis, and angiogenesis through complex signaling pathways, and thus impacting tumor formation and development in different types of tumor. However, the roles of STATs on prognostic prediction and therapeutic guidance in pan-cancer remain unexplored.Materials and Methods: The dataset of 33 types of TCGA tumor, para-carcinoma and normal tissues, was obtained from the UCSC Xena database, including the gene expression profiles in the formats of FPKM value, demographic characteristics, clinical information, and survival data of STATs. Differential expression and co-expression analyses, WGCNA, clinical relevance analysis, immune subtype analysis, tumor stemness analysis, tumor purity analysis, immune infiltration analysis, immunotherapy related analysis, tumor mutation related analysis, and drug sensitivity analysis were performed by R software.Results: Differential expression of STAT1 was found between normal and BRCA tissues (p < 0.001, log2FC = 0.895). Additionally, the strongest correlation among STATs lied between STAT1 and STAT2 (correlation coefficient = 0.6). Moreover, high expression levels of STAT1 (p = 0.031) were revealed to be notably correlated with poor prognosis in KIRP. In addition, STAT1 expressed the highest value in immune subtypes C1, C2, C3, and C6 in LUAD. What’s more, strong negative correlations were demonstrated between expression of STAT6 and mDNAss and mRNAss of TGCT. Additionally, STAT4 expression was characterized to be significantly negatively correlated with tumor purity of the majority of cancer types. Moreover, STAT1 and STAT3 were shown to be generally high-expressed in pan-cancer myeloid cells, and STATs all had positive correlation with the infiltration of the majority of immune cells. In addition, STATs were revealed to be closely linked with immunotherapy response. What’s more, STAT4 expression was identified to have a strong negative correlation with TMB value in DLBC. Last but not least, positive correlations were accessed between STAT5 and sensitivity of Nelarabine (cor = 0.600, p < 0.001).Conclusion: In the present study, we identified STATs as biomarkers for prognostic prediction and therapeutic guidance in pan-cancer. Hopefully our findings could provide a valuable reference for future STATs research and clinical applications.
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Affiliation(s)
- Mei Cheng
- Research Unit of key techniques for treatment of burns and combined burns and trauma injury, Department of Burn Surgery, The First Affiliated Hospital of Naval Medical University, Chinese Academy of Medical Sciences, Shanghai, China
- Department of Nephrology, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Yifan Liu
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yangkun Guo
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Man Li
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuyuan Xian
- Tongji University School of Medicine, Shanghai, China
| | - Hengwei Qin
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiting Yang
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weijin Qian
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jieling Tang
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuwei Lu
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuntao Yao
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengyi Zhang
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Minghao Jin
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Long Xu
- Research Unit of key techniques for treatment of burns and combined burns and trauma injury, Department of Burn Surgery, The First Affiliated Hospital of Naval Medical University, Chinese Academy of Medical Sciences, Shanghai, China
- *Correspondence: Long Xu, ; Runzhi Huang, ; Dayuan Xu,
| | - Runzhi Huang
- Research Unit of key techniques for treatment of burns and combined burns and trauma injury, Department of Burn Surgery, The First Affiliated Hospital of Naval Medical University, Chinese Academy of Medical Sciences, Shanghai, China
- *Correspondence: Long Xu, ; Runzhi Huang, ; Dayuan Xu,
| | - Dayuan Xu
- Research Unit of key techniques for treatment of burns and combined burns and trauma injury, Department of Burn Surgery, The First Affiliated Hospital of Naval Medical University, Chinese Academy of Medical Sciences, Shanghai, China
- Department of Nephrology, The First Affiliated Hospital of Naval Medical University, Shanghai, China
- *Correspondence: Long Xu, ; Runzhi Huang, ; Dayuan Xu,
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CD24-associated ceRNA network reveals prognostic biomarkers in breast carcinoma. Sci Rep 2023; 13:3826. [PMID: 36882451 PMCID: PMC9992383 DOI: 10.1038/s41598-022-25072-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 11/24/2022] [Indexed: 03/09/2023] Open
Abstract
Breast cancer is one of the most common cancer types which is described as the leading cause of cancer death in women. After competitive endogenous RNA (ceRNA) hypothesis was proposed, this triple regulatory network has been observed in various cancers, and increasing evidences reveal that ceRNA network plays a significant role in the migration, invasion, proliferation of cancer cells. In the current study, our target is to construct a CD24-associated ceRNA network, and to further identify key prognostic biomarkers in breast cancer. Using the transcriptom profiles from TCGA database, we performed a comprehensive analysis between CD24high tumor samples and CD24low tumor samples, and identified 132 DElncRNAs, 602 DEmRNAs and 26 DEmiRNAs. Through comprehensive analysis, RP1-228H13.5/miR-135a-5p/BEND3 and SIM2 were identified as key CD24-associated biomarkers, which exhibited highly significance with overall survival, immune microenvironment as well as clinical features. To sum up the above, the current study constructed a CD24-associated ceRNA network, and RP1-228H13.5/miR-135a-5p/BEND3 and SIM2 axis worked as a potential therapeutic target and a predictor for BRCA diagnosis and prognosis.
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Gholami M, Klashami ZN, Ebrahimi P, Mahboobipour AA, Farid AS, Vahidi A, Zoughi M, Asadi M, Amoli MM. Metformin and long non-coding RNAs in breast cancer. J Transl Med 2023; 21:155. [PMID: 36849958 PMCID: PMC9969691 DOI: 10.1186/s12967-023-03909-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 01/21/2023] [Indexed: 03/01/2023] Open
Abstract
Breast cancer (BC) is the second most common cancer and cause of death in women. In recent years many studies investigated the association of long non-coding RNAs (lncRNAs), as novel genetic factors, on BC risk, survival, clinical and pathological features. Recent studies also investigated the roles of metformin treatment as the firstline treatment for type 2 diabetes (T2D) played in lncRNAs expression/regulation or BC incidence, outcome, mortality and survival, separately. This comprehensive study aimed to review lncRNAs associated with BC features and identify metformin-regulated lncRNAs and their mechanisms of action on BC or other types of cancers. Finally, metformin affects BC by regulating five BC-associated lncRNAs including GAS5, HOTAIR, MALAT1, and H19, by several molecular mechanisms have been described in this review. In addition, metformin action on other types of cancers by regulating ten lncRNAs including AC006160.1, Loc100506691, lncRNA-AF085935, SNHG7, HULC, UCA1, H19, MALAT1, AFAP1-AS1, AC026904.1 is described.
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Affiliation(s)
- Morteza Gholami
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.,Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Zeynab Nickhah Klashami
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Pirooz Ebrahimi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata, Italy
| | | | - Amir Salehi Farid
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Aida Vahidi
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Marziyeh Zoughi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojgan Asadi
- Metabolomics and Genomics Research Center Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsa M Amoli
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Shen Y, Zhang R, Li X. Identification of eIF6 as a prognostic factor that drives tumor progression and predicts arsenic trioxide efficacy in lung adenocarcinoma. Mol Biol Rep 2023; 50:1167-1180. [PMID: 36435920 PMCID: PMC9889454 DOI: 10.1007/s11033-022-07917-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/03/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Lung cancer is the leading cause of cancer-related mortality worldwide. Dysregulation of mRNA translation can contribute to the development and progression of cancer whilst also having an impact on the prognosis of different types of malignancies. Eukaryotic translation initiation factors (eIFs) have been reported to serve a key role in the initiation of mRNA translation. However, little was known about the association between eIF6 and lung adenocarcinoma (LUAD) progression. We aimed to elucidate the roles of eIF6 in LUAD tumorigenesis. METHODS Bioinformatic analysis was conducted to assess the clinical significance of eIF6 in LUAD. CCK-8, colony formation assays were used to evaluate the biological roles of eIF6. The subcutaneous model was used to assess the in vivo roles of eIF6. RESULTS In the present study, it was found that eIF6 expression was significantly higher in LUAD samples compared with that in normal lung tissues. Higher expression levels of eIF6 were found to be associated with more advanced clinical stages of LUAD and poorer prognoses in patients with LUAD. Subsequently, overexpression of eIF6 was demonstrated to promote LUAD cell proliferation, migration and invasion, which are features of metastasis, in vitro. By contrast, inhibition of eIF6 induced cell cycle arrest and apoptosis in LUAD cells. Further bioinformatics analysis and experimental assays revealed that eIF6 expression positively correlated with the mRNA expression of stemness-associated genes in LUAD cells. Targeting eIF6 suppressed the sphere formation capacity of LUAD cells. In addition, data from the subcutaneous xenograft model in vivo also suggested that eIF6 deficiency could significantly delay tumor growth and improve the prognosis of mice. Targeting eIF6 rendered LUAD cells sensitive to arsenic trioxide treatment. CONCLUSION The present study suggest that eIF6 can serve as a prognostic biomarker and a potential therapeutic target for patients with LUAD.
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Affiliation(s)
- Yan Shen
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu P.R. China
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Rui-Jin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruihong Zhang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, Ruijin Hospital, National Research Center for Translational Medicine at Shanghai, Shanghai Jiao Tong University School of Medicine, 200000 Shanghai, P.R. China
| | - Xiangrui Li
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu P.R. China
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Kashyap D, Sharma R, Goel N, Buttar HS, Garg VK, Pal D, Rajab K, Shaikh A. Coding roles of long non-coding RNAs in breast cancer: Emerging molecular diagnostic biomarkers and potential therapeutic targets with special reference to chemotherapy resistance. Front Genet 2023; 13:993687. [PMID: 36685962 PMCID: PMC9852779 DOI: 10.3389/fgene.2022.993687] [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: 07/14/2022] [Accepted: 11/07/2022] [Indexed: 01/08/2023] Open
Abstract
Dysregulation of epigenetic mechanisms have been depicted in several pathological consequence such as cancer. Different modes of epigenetic regulation (DNA methylation (hypomethylation or hypermethylation of promotor), histone modifications, abnormal expression of microRNAs (miRNAs), long non-coding RNAs, and small nucleolar RNAs), are discovered. Particularly, lncRNAs are known to exert pivot roles in different types of cancer including breast cancer. LncRNAs with oncogenic and tumour suppressive potential are reported. Differentially expressed lncRNAs contribute a remarkable role in the development of primary and acquired resistance for radiotherapy, endocrine therapy, immunotherapy, and targeted therapy. A wide range of molecular subtype specific lncRNAs have been assessed in breast cancer research. A number of studies have also shown that lncRNAs may be clinically used as non-invasive diagnostic biomarkers for early detection of breast cancer. Such molecular biomarkers have also been found in cancer stem cells of breast tumours. The objectives of the present review are to summarize the important roles of oncogenic and tumour suppressive lncRNAs for the early diagnosis of breast cancer, metastatic potential, and chemotherapy resistance across the molecular subtypes.
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Affiliation(s)
- Dharambir Kashyap
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Riya Sharma
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Neelam Goel
- Department of Information Technology, University Institute of Engineering & Technology, Panjab University, Chandigarh, India
| | - Harpal S. Buttar
- Department of Pathology and Laboratory Medicine, University of Ottawa, Faculty of Medicine, Ottawa, ON, Canada
| | - Vivek Kumar Garg
- Department of Medical Lab Technology, University Institute of Applied Health Sciences, Chandigarh University, Gharuan, Mohali, India,*Correspondence: Vivek Kumar Garg, ; Asadullah Shaikh,
| | - Deeksha Pal
- Department of Translational and Regenerative Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Khairan Rajab
- College of Computer Science and Information Systems, Najran University, Najran, Saudi Arabia
| | - Asadullah Shaikh
- College of Computer Science and Information Systems, Najran University, Najran, Saudi Arabia,*Correspondence: Vivek Kumar Garg, ; Asadullah Shaikh,
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She W, Sun T, Long C, Chen M, Chen X, Liao Q, Wang M. Linc00511 Knockdown Inhibited TGF-β1-Induced Epithelial-Mesenchymal Transition of Bronchial Epithelial Cells by Targeting miR-16-5p/Smad3. Am J Rhinol Allergy 2023; 37:313-323. [PMID: 36594176 DOI: 10.1177/19458924221144853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND Airway remodeling in patients with asthma was correlated with induced epithelial-mesenchymal transition (EMT) of bronchial epithelial cells. OBJECTIVE This study examined the mechanism of Linc00511 on induced EMT of bronchial epithelial cells after transforming growth factor-β1 (TGF-β1) induction. METHODS The human bronchial epithelial cell 16HBE was treated with 10 ng/mL TGF-β1 for 12 h, 24 h, or 48 h to induce EMT. Cell proliferation and migration rate were detected using CCK8 and wound healing assays, respectively. The expression of key markers of EMT (E-cadherin, N-cadherin, Small mothers against decapentaplegic family member 3 [Smad3], and slug) was tested by Western blot. RESULTS We found that Linc00511 was time dependently increased in TGF-β-treated 16HBE cells. Silencing Linc00511 reduced 16HBE cell proliferation, migration, and EMT progress. In addition, the dual-luciferase reporter assay showed Linc00511 was a molecular sponge for miR-16-5p. MiR-16-5p decreased the expression of Smad3 by targeting its 3'-untranslated region (3'UTR). After TGF-β1 exposure, miR-16-5p silencing counteracted the decreases of 16HBE cell proliferation, migration, and EMT induced by Linc00511 knockdown. And Smad3 overexpression also reversed the inhibitory effect of Linc00511 knockdown on proliferation, migration, and EMT progression in TGF-β1-induced human bronchial epithelial cells. CONCLUSION Linc00511 may be a valuable biomarker for asthma therapy.
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Affiliation(s)
- Weiwei She
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China.,Department of Respiratory and Critical Care Medicine, Nanxishan Hospital affiliated to Guilin Medical College, Guilin, China
| | - Tianshou Sun
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
| | - Chengfeng Long
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
| | - Meiyu Chen
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
| | - Xu Chen
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
| | - Qinxue Liao
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
| | - Mingdong Wang
- Department of Respiratory and Critical Care Medicine, 477248Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
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Zhang C, Yang T. Long Non-coding RNA LINC00473 Promotes Breast Cancer Progression via miR-424-5p/CCNE1 Pathway. Protein Pept Lett 2023; 30:72-84. [PMID: 36305147 DOI: 10.2174/0929866530666221026164454] [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: 04/19/2022] [Revised: 08/31/2022] [Accepted: 09/09/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND There has been a large increase in the incidence of breast cancer (BC) among women. LINC00473 is a cancer-related lncRNA, participating in the progression of many cancers, but its role in the progression of BC awaits more elaboration. METHODS Quantitative real-time polymerase chain reaction (qRT-PCR) was used to quantify LINC00473, miR-424-5p, and cyclin E1 (CCNE1) mRNA expression levels in BC tissues and cells. Cell counting kit-8 (CCK-8) assay was employed to detect the cell viability; the cell migration and invasion abilities were evaluated by the Transwell assay. Western blot and immunohistochemistry (IHC) were adopted to study CCNE1 protein expression; dual-luciferase reporter assay was performed to clarify the targeting relationships among LINC00473, miR-424-5p, and CCNE1. RESULTS LINC00473 expression was elevated in BC tissues and cell lines, which was associated with lymph node metastasis and higher clinical stage of the patients with BC. LINC00473 proved to be a molecular sponge for miR-424-5p; LINC00473 knockdown impeded the growth, migration, invasion, and epithelial-mesenchymal transition of BC cells, while these effects were abolished by miR-424-5p inhibitors; miR-424-5p targeted CCNE1 to restrain its expression. LINC00473 positively regulated CCNE1 expression, and CCNE1 restoration counteracted the effects induced by LINC00473 knockdown in BC cells. CONCLUSION LINC00473 facilitates the progression of BC through miR-424-5p/CCNE1 axis.
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Affiliation(s)
- Chao Zhang
- Department of Breast Surgery, Beijing Chaoyang Hospital Affiliated to Capital Medical University, Beijing 100020, China
| | - Ting Yang
- Department of Operating Room, New Century Women's and Children's Hospital, Beijing 100102, China
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Ghafouri-Fard S, Safarzadeh A, Hussen BM, Taheri M, Ayatollahi SA. A review on the role of LINC00511 in cancer. Front Genet 2023; 14:1116445. [PMID: 37124625 PMCID: PMC10140539 DOI: 10.3389/fgene.2023.1116445] [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: 12/05/2022] [Accepted: 04/05/2023] [Indexed: 05/02/2023] Open
Abstract
Long Intergenic Non-Protein Coding RNA 511 (LINC00511) is an RNA gene being mostly associated with lung cancer. Further assessments have shown dysregulation of this lncRNA in a variety of cancers. LINC00511 has interactions with hsa-miR-29b-3p, hsa-miR-765, hsa-mir-150, miR-1231, TFAP2A-AS2, hsa-miR-185-3p, hsa-miR-29b-1-5p, hsa-miR-29c-3p, RAD51-AS1 and EZH2. A number of transcription factors have been identified that regulate expression of LINC00511. The current narrative review summarizes the role of LINC00511 in different cancers with an especial focus on its prognostic impact in human cancers.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Safarzadeh
- Men’s Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashdar Mahmud Hussen
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad Taheri, ; Seyed Abdulmajid Ayatollahi,
| | - Seyed Abdulmajid Ayatollahi
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad Taheri, ; Seyed Abdulmajid Ayatollahi,
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40
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Roles and Mechanisms of Long Non-Coding RNAs in Breast Cancer. Int J Mol Sci 2022; 24:ijms24010089. [PMID: 36613528 PMCID: PMC9820050 DOI: 10.3390/ijms24010089] [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: 10/24/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 12/24/2022] Open
Abstract
Breast cancer is a major health threat and the second leading cause of cancer-related deaths in women worldwide. The detailed mechanisms involved in the initiation and progression of breast cancer remain unclear. In recent years, amounting evidence indicated that long non-coding RNAs (lncRNAs) played crucial roles in regulating various biological processes and malignancy tumors, including breast cancer. In this review, we briefly introduce the functions and underlying mechanisms by which lncRNAs are involved in breast cancer. We summarize the roles of the lncRNAs in regulating malignant behaviors of breast cancer, such as cell proliferation, migration and invasion, epithelial-mesenchymal transition (EMT), apoptosis, and drug resistance. Additionally, we also briefly summarize the roles of circular RNAs (circRNAs) in breast cancer carcinogenesis.
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Lindemann A, Brandes F, Borrmann M, Meidert AS, Kirchner B, Steinlein OK, Schelling G, Pfaffl MW, Reithmair M. Anesthetic‑specific lncRNA and mRNA profile changes in blood during colorectal cancer resection: A prospective, matched‑case pilot study. Oncol Rep 2022; 49:28. [PMID: 36562401 PMCID: PMC9813548 DOI: 10.3892/or.2022.8465] [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: 07/22/2022] [Accepted: 11/03/2022] [Indexed: 12/23/2022] Open
Abstract
Prometastatic and antitumor effects of different anesthetics have been previously analyzed in several studies with conflicting results. Thus, the underlying perioperative molecular mechanisms mediated by anesthetics potentially affecting tumor phenotype and metastasis remain unclear. It was hypothesized that anesthetic‑specific long non‑coding RNA (lncRNA) expression changes are induced in the blood circulation and play a crucial role in tumor outcome. In the present study, high‑throughput sequencing and quantitative PCR were performed in order to identify lncRNA and mRNA expression changes affected by two therapeutic regimes, total intravenous anesthesia (TIVA) and volatile anesthetic gas (VAG) in patients undergoing colorectal cancer (CRC) resection. Total blood RNA was isolated prior to and following resection and characterized using RNA sequencing. mRNA‑lncRNA interactions and their roles in cancer‑related signaling of differentially expressed lncRNAs were identified using bioinformatics analyses. The comparison of these two time points revealed 35 differentially expressed lncRNAs in the TIVA‑group, and 25 in the VAG‑group, whereas eight were shared by both groups. Two lncRNAs in the TIVA‑group, and 23 in the VAG‑group of in silico identified target‑mRNAs were confirmed as differentially regulated in the NGS dataset of the present study. Pathway analysis was performed and cancer relevant canonical pathways for TIVA were identified. Target‑mRNA analysis of VAG revealed a markedly worsened immunological response against cancer. In this proof‑of‑concept study, anesthesic‑specific expression changes in lncRNA and mRNA profiles in blood were successfully identified. Moreover, the data of the present study provide the first evidence that anesthesia‑induced lncRNA pattern changes may contribute further in the observed differences in CRC outcome following tumor resection.
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Affiliation(s)
- Anja Lindemann
- Institute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany
| | - Florian Brandes
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Melanie Borrmann
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Agnes S. Meidert
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Benedikt Kirchner
- Division of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, 85354 Freising, Germany
| | - Ortrud K. Steinlein
- Institute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany
| | - Gustav Schelling
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Michael W. Pfaffl
- Division of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, 85354 Freising, Germany
| | - Marlene Reithmair
- Institute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany,Correspondence to: Dr Marlene Reithmair, Institute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, Goethestraße 29, 80336 Munich, Germany, E-mail:
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Zhang T, Yu H, Bai Y, Song J, Chen J, Li Y, Cui Y. Extracellular vesicle-derived LINC00511 promotes glycolysis and mitochondrial oxidative phosphorylation of pancreatic cancer through macrophage polarization by microRNA-193a-3p-dependent regulation of plasminogen activator urokinase. Immunopharmacol Immunotoxicol 2022; 45:355-369. [DOI: 10.1080/08923973.2022.2145968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tingting Zhang
- Department of Oncology Internal Medicine, Harbin Medical University Cancer Hospital, Harbin, China
| | - Hongyang Yu
- Department of Radiation Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yuxian Bai
- Department of Oncology Internal Medicine, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jiaming Song
- Department of Oncology Internal Medicine, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jiexin Chen
- Department of Radiation Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yingjie Li
- Department of Radiation Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yue Cui
- Department of Radiation Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, China
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Wang B, Chen H, Yang R, Xing L, Chen C, Chen J. LncRNA RP11-551L14.4 suppresses breast cancer development by inhibiting the expression of miR-4472. PeerJ 2022; 10:e14482. [PMID: 36523479 PMCID: PMC9745927 DOI: 10.7717/peerj.14482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022] Open
Abstract
Background Previous studies have been reported that long non-coding RNA (lncRNA) can regulate the expression of genes which are involved in many important cellular processes The potential role of lncRNA RP11-551L14.4 in the development of breast cancer and the possible regulatory mechanisms was investigated. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) was conducted to analyze RP11-551L14.4 expression in 36 paired breast cancer tissues and adjacent tissues. The expression of RP11-551L14.4 in multiple breast cancer cell lines was detected by qRT-PCR. Meanwhile, overexpression of RP11-551L14.4 models was established using lentivirus in BT474 and T47D breast cancer cells. Cell counting kit-8 (CCK-8), cell colony formation and cell cycle assays were performed to detect the effects of RP11-551L14.4 on the biological function of breast cancer cells. Besides, bioinformatics techniques, dual luciferase reporter gene assay and rescue experiments were used to investigate the potential mechanisms. Results RP11-551L14.4 expression was negatively associated with the advanced tumor stage. Breast cancer patients with low RP11-551L14.4 expression manifested a poorer prognosis. The results of qRT-PCR showed that RP11-551L14.4 expression in breast cancer tissues was significantly lower than in adjacent tissues. Meanwhile, overexpression of RP11-551L14.4 significantly decreased the cell proliferation and cell cycle. Bioinformatics technology showed that RP11-551L14.4 could complementarily bind to miR-4472. qRT-PCR results indicated that the expression levels of miR-4472 and RP11-551L14.4 in breast cancer were negatively correlated. Luciferase reporter gene assay showed that miR-4472 remarkably decreased the relative luciferase activity of the wild-type RP11-551L14.4 vector. miR-4472 is a direct target gene of RP11-551L14.4. miR-4472 levels were reduced, and repulsive guidance molecule A (RGMA) mRNA or protein levels were increased after overexpression of RP11-551L14.4 in the breast cancer cells. miR-4472 reversed the effects caused by RP11-551L14.4 in breast cancer cells. Conclusion RP11-551L14.4 expression was remarkably decreased in breast cancer tissues and cells. RP11-551L14.4 may inhibit the malignant progression of breast cancer by regulating miR-4472 expression.
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Affiliation(s)
- Bin Wang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China,Department of Oncology, Daping Hospital, Army Medical University, Chongqing, China
| | - Hang Chen
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Rui Yang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Lei Xing
- Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chuan Chen
- Department of Oncology, Daping Hospital, Army Medical University, Chongqing, China
| | - Junxia Chen
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
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Li B, Zhou J, Luo Y, Tao K, Zhang L, Zhao Y, Lin Y, Zeng X, Yu H. Suppressing circ_0008494 inhibits HSCs activation by regulating the miR-185-3p/Col1a1 axis. Front Pharmacol 2022; 13:1050093. [PMID: 36467040 PMCID: PMC9713816 DOI: 10.3389/fphar.2022.1050093] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/07/2022] [Indexed: 11/22/2023] Open
Abstract
Background: Hepatic fibrosis (HF) is characterized by activation of hepatic stellate cells (HSCs) and extensive deposition of extracellular matrix components, especially collagens. However, effective antifibrotic therapies are still lacking. Recently, circular RNAs (circRNAs) have been identified as novel regulators of HF. Methods: circRNAs profile was screened by RNA sequencing and the location of circ_0008494 was confirmed by fluorescence in situ hybridization assay in human HF tissues. Bioinformatics analysis was used for result prediction and dual-luciferase reporter, together with AGO-RIP and biotin-coupled miRNA capture assays, were used to determine miR-185-3p/collagen type I alpha 1 chain (Col1a1) as the target of circ_0008494. A stable circ_0008494-interfering human HSCs cell line was constructed and used to determine the regulatory mechanism of circ_0008494/miR-185-3p/Col1a1 axis. Results: circ_0008494 was abundantly and significantly over-expressed in human HF tissues and located at the cytoplasm of HSCs. Together, dual-luciferase reporter, AGO-RIP and biotin-coupled miRNA capture assays confirmed that circ_0008494 acted as a sponge of miR-185-3p. Cell functional experiments and rescue assays demonstrated suppressing circ_0008494 could inhibit activation, proliferation, migration of HSCs and promote their apoptosis through miR-185-3p. In particular, the HF indicator, Col1a1, was validated as the direct target of miR-185-3p and the suppression of circ_0008494 inhibited the expression of Col1a1 by releasing miR-185-3p. Conclusion: Knocking down circ_0008494 inhibited HSCs activation through the miR-185-3p/Col1a1 axis. circ_0008494 could be a promising treatment target for HF.
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Affiliation(s)
- Binbin Li
- Department of Pathology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Jiaming Zhou
- Department of Pathology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
- Department of Pathology, Medical School of Nantong University, Nantong, China
| | - Yuanyuan Luo
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Kegong Tao
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Lifen Zhang
- Department of Pathology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Ying Zhao
- Department of Traditional Chinese Medicine, Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Yong Lin
- Department of Gastroenterology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Xin Zeng
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hongyu Yu
- Department of Pathology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
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Ye L, Wang L, Zeng Y. LINC00511
aggravates the malignancy of lung adenocarcinoma through sponging
microRNA miR
‐4739 to regulate pyrroline‐5‐carboxylate reductase 1 expression. J Clin Lab Anal 2022; 36:e24760. [DOI: 10.1002/jcla.24760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 11/15/2022] Open
Affiliation(s)
- Lu Ye
- Department of Oncology, The Second Affiliated Hospital of Chengdu Medical College China National Nuclear Corporation 416 Hospital Chengdu China
| | - Linxiu Wang
- Department of Orthopedics, The Second Affiliated Hospital of Chengdu Medical College China National Nuclear Corporation 416 Hospital Chengdu China
| | - Yu Zeng
- Department of Oncology, Jintang First People's Hospital West China Hospital Sichuan University Jintang Hospital Chengdu China
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Metformin Treatment Modulates Long Non-Coding RNA Isoforms Expression in Human Cells. Noncoding RNA 2022; 8:ncrna8050068. [PMID: 36287120 PMCID: PMC9607547 DOI: 10.3390/ncrna8050068] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 11/17/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) undergo splicing and have multiple transcribed isoforms. Nevertheless, for lncRNAs, as well as for mRNA, measurements of expression are routinely performed only at the gene level. Metformin is the first-line oral therapy for type 2 diabetes mellitus and other metabolic diseases. However, its mechanism of action remains not thoroughly explained. Transcriptomic analyses using metformin in different cell types reveal that only protein-coding genes are considered. We aimed to characterize lncRNA isoforms that were differentially affected by metformin treatment on multiple human cell types (three cancer, two non-cancer) and to provide insights into the lncRNA regulation by this drug. We selected six series to perform a differential expression (DE) isoform analysis. We also inferred the biological roles for lncRNA DE isoforms using in silico tools. We found the same isoform of an lncRNA (AC016831.6-205) highly expressed in all six metformin series, which has a second exon putatively coding for a peptide with relevance to the drug action. Moreover, the other two lncRNA isoforms (ZBED5-AS1-207 and AC125807.2-201) may also behave as cis-regulatory elements to the expression of transcripts in their vicinity. Our results strongly reinforce the importance of considering DE isoforms of lncRNA for understanding metformin mechanisms at the molecular level.
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Hu T, Wang X, Xia Y, Wu L, Ma Y, Zhou R, Zhao Y. Comprehensive analysis identifies as a critical prognostic prediction gene in breast cancer. Chin Med J (Engl) 2022; 135:2218-2231. [PMID: 36113844 PMCID: PMC9771277 DOI: 10.1097/cm9.0000000000002025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Aurora kinases (AURKs) family plays a vital role not only in cell division but also in tumorigenesis. However, there are still rare systematic analyses of the diverse expression patterns and prognostic value of the AURKs family in breast cancer (BC). Systematic bioinformatics analysis was conducted to explore the biological role, prognostic value, and immunologic function of AURKs family in BC. METHODS The expression, prognostic value, and clinical functions of AURKs family in BC were evaluated with several bioinformatics web portals: ONCOMINE Gene Expression Profiling Interactive Analysis, Kaplan-Meier plotter, cBioPortal, Metascape, GeneMANIA, and LinkedOmics; and the result was verified using human tissues. RESULTS The expression of AURKA and AURKB were upregulated in BC in subgroup analyses based on tumor stage (all P < 0.05). BC patients with high AURKA and AURKB expression had a worse overall survival, relapse-free survival, and distant metastasis-free survival (all P < 0.05). Verification experiment revealed that AURKA and AURKB were upregulated in BC ( P < 0.05). AURKA and AURKB were specifically associated with several tumor-associated kinases (polo-like kinase 1 and cyclin-dependent kinase 1), miRNAs (miR-507 and miR-381), and E2F transcription factor 1. Moreover, AURKA and AURKB were correlated with immune cell infiltration. Functional enrichment analysis revealed that AURKA and AURKB were involved in the cell cycle signaling pathway, platinum drug resistance signaling pathway, ErbB signaling pathway, Hippo signaling pathway, and nucleotide-binding and oligomerization domain-like receptor signaling pathway. CONCLUSIONS Aurora kinases AURKA and AURKB could be employed as novel prognostic biomarkers or promising therapeutic targets for BC.
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Affiliation(s)
- Ting Hu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Xu Wang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Yun Xia
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Lu Wu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Yuxi Ma
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Rui Zhou
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Yanxia Zhao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
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Advances in Biomarkers and Endogenous Regulation of Breast Cancer Stem Cells. Cells 2022; 11:cells11192941. [PMID: 36230903 PMCID: PMC9562239 DOI: 10.3390/cells11192941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Breast cancer is one of the most common cancers. Even if breast cancer patients initially respond to treatment, developed resistance can lead to a poor prognosis. Cancer stem cells (CSCs) are a group of undifferentiated cells with self-renewal and multipotent differentiation characteristics. Existing evidence has shown that CSCs are one of the determinants that contribute to the heterogeneity of primary tumors. The emergence of CSCs causes tumor recurrence, metastasis, and therapeutic resistance. Previous studies indicated that different stemness-associated surface markers can identify other breast cancer stem cell (BCSC) subpopulations. Deciphering the critical signaling networks that are involved in the induction and maintenance of stemness is essential to develop novel BCSC-targeting strategies. In this review, we reviewed the biomarkers of BCSCs, critical regulators of BCSCs, and the signaling networks that regulate the stemness of BCSCs.
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Zhou MF, Wang W, Wang L, Tan JD. LINC00536 knockdown inhibits breast cancer cells proliferation, invasion, and migration through regulation of the miR-4282/centromere protein F axis. Kaohsiung J Med Sci 2022; 38:1037-1047. [PMID: 36053930 DOI: 10.1002/kjm2.12583] [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: 03/14/2022] [Revised: 06/22/2022] [Accepted: 07/05/2022] [Indexed: 12/24/2022] Open
Abstract
Breast cancer (BC) poses a huge threat to women's health. Growing evidence has shown lncRNAs play critical roles in BC progression. However, the effect of LINC00536 in BC remains unknown. LINC00536, miR-4282, and centromere protein F (CENPF) expressions in BC cells were determined using qPCR assay. Colony formation assay was employed to evaluate the cell proliferation of BC cells. Besides, cell migration and invasion were evaluated using the transwell assay. FISH assay was employed to analyze LINC00536 and miR-4282 locations in BC cells. Additionally, dual luciferase reporter gene assay was performed to verify the binding relationships between LINC00536 and miR-4282, miR-4282 and CENPF. Here, our results displayed that LINC00536 and CENPF were overexpressed in BC cells, while miR-4282 was downregulated. LINC00536 could negatively regulate miR-4282 expression via directly binding to miR-4282. LINC00536 silence suppressed the proliferation, migration, and invasion of BC cells, which was abolished by miR-4282 inhibition. Additionally, miR-4282 could negatively regulate CENPF expression via directly binding to CENPF. MiR-4282 overexpression suppressed BC development, which was abolished by CENPF overexpression. Finally, we proved that LINC00536 silencing suppressed BC growth via regulating the miR-4282/CENPF axis in vivo. Our research displayed that LINC00536 acted as an oncogene in BC. LINC00536-enhanced BC cell proliferation, migration, and invasion. Moreover, LINC00536 functioned as a ceRNA to exert malignant characteristics in BC via the miR-4282-CENPF axis. Collectively, our results demonstrated that the LINC00536-miR-4282-CENPF axis was a critical player in BC development and was a promising target for BC therapy.
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Affiliation(s)
- Mei-Feng Zhou
- Department of Medical Oncology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan Province, People's Republic of China
| | - Wei Wang
- Department of General Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan Province, People's Republic of China
| | - Lin Wang
- Department of Medical Oncology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan Province, People's Republic of China
| | - Jin-Dian Tan
- Department of Orthopaedic Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan Province, People's Republic of China
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Xu H, Zhang F, Gao X, Zhou Q, Zhu L. Fate decisions of breast cancer stem cells in cancer progression. Front Oncol 2022; 12:968306. [PMID: 36046046 PMCID: PMC9420991 DOI: 10.3389/fonc.2022.968306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Breast cancer has a marked recurrence and metastatic trait and is one of the most prevalent malignancies affecting women’s health worldwide. Tumor initiation and progression begin after the cell goes from a quiescent to an activated state and requires different mechanisms to act in concert to regulate t a specific set of spectral genes for expression. Cancer stem cells (CSCs) have been proven to initiate and drive tumorigenesis due to their capability of self-renew and differentiate. In addition, CSCs are believed to be capable of causing resistance to anti-tumor drugs, recurrence and metastasis. Therefore, exploring the origin, regulatory mechanisms and ultimate fate decision of CSCs in breast cancer outcomes has far-reaching clinical implications for the development of breast cancer stem cell (BCSC)-targeted therapeutic strategies. In this review, we will highlight the contribution of BCSCs to breast cancer and explore the internal and external factors that regulate the fate of BCSCs.
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