1
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Chen NN, Zhou KF, Miao Z, Chen YX, Cui JX, Su SW. Exosomes regulate doxorubicin resistance in breast cancer via miR-34a-5p/NOTCH1. Mol Cell Probes 2024; 76:101964. [PMID: 38810840 DOI: 10.1016/j.mcp.2024.101964] [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: 03/22/2023] [Revised: 04/22/2024] [Accepted: 05/26/2024] [Indexed: 05/31/2024]
Abstract
Breast cancer (BRCA) is the most common cancer among women. Adriamycin (ADR), also known as doxorubicin (Dox), is a commonly used chemotherapeutic agent for BRCA patients, however, the susceptibility of tumor cells to develop resistance to Dox has severely limited its clinical use. One new promising therapeutic target for breast cancer patients is exosomes. The objective of this study was to investigate the role of exosomes in regulating Dox resistance in BRCA. In this study, the exosomes from both types of cells were extracted by differential centrifugation. The effect of exosomes on drug resistance was assessed by laser confocal microscopy, MTT assay, and qRT-PCR. The miRNA was transfected into cells using Lipofectamine 2000, which was then evaluated for downstream genes and changes in drug resistance. Exosomes from MCF-7 cells (MCF-7/exo) and MCF-7/ADR cells (ADR/exo) were effectively extracted in this study. The ADR/exo was able to endocytose MCF-7 cells and make them considerably more resistant to Dox. Moreover, we observed a significant difference in miR-34a-5p expression in MCF-7/ADR and ADR/exo compared to MCF-7 and MCF-7/exo. Among the miR-34a-5p target genes, NOTCH1 displayed a clear change with a negative correlation. In addition, when miR-34a-5p expression was elevated in MCF-7/ADR cells, the expression of miR-34a-5p in ADR/exo was also enhanced alongside NOTCH1, implying that exosomes may carry miRNA into and out of cells and perform their function. In conclusion, exosomes can influence Dox resistance in breast cancer cells by regulating miR-34a-5p/NOTCH1. These findings provide novel insights for research into the causes of tumor resistance and the enhancement of chemotherapy efficacy in breast cancer.
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Affiliation(s)
- Nan-Nan Chen
- Department of Pharmacology, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, The Key Laboratory of New Drug Pharmacology and Toxicology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Ke-Fan Zhou
- Key Laboratory of Innovative Drug Research and Safety Evaluation, School of Pharmacy, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Zhuang Miao
- Department of Pharmacology, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, The Key Laboratory of New Drug Pharmacology and Toxicology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Yun-Xia Chen
- Key Laboratory of Innovative Drug Research and Safety Evaluation, School of Pharmacy, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Jing-Xia Cui
- Key Laboratory of Innovative Drug Research and Safety Evaluation, School of Pharmacy, Hebei Medical University, Shijiazhuang, 050017, Hebei, China.
| | - Su-Wen Su
- Department of Pharmacology, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, The Key Laboratory of New Drug Pharmacology and Toxicology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China.
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2
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Selecting optimum miRNA panel for miRNA signature-based companion diagnostic model to predict the response of R-CHOP treatment in diffuse large B-cell lymphoma. J Biosci Bioeng 2023; 135:341-347. [PMID: 36732209 DOI: 10.1016/j.jbiosc.2023.01.005] [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: 09/12/2022] [Revised: 12/21/2022] [Accepted: 01/11/2023] [Indexed: 02/01/2023]
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common type of malignant lymphoma. Although the first-line treatment, R-CHOP treatment, shows efficacy in approximately 80% of patients with DLBCL, some patients have refractory disease or relapse after the initial response to therapy, resulting in a significantly poorer prognosis. In this study, we developed a microRNA (miRNA) signature-based companion diagnostic model to predict the response of patients with DLBCL to R-CHOP treatment by integrating two clinical study datasets. To select the optimum miRNA combination as a panel, we examined three feature selection methods (p-value-based ranking, stepwise method, and Boruta), together with 11 types of classifiers systematically. Boruta selection enabled a higher area under the curve (AUC) with a lower number of miRNAs compared with other feature selection methods, leading to an AUC of 0.751 via the random forest classifier using 36 miRNAs. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis suggested that Boruta avoided multiple selection of miRNAs with similar functions, thereby preventing the decrease in diagnostic ability via collinearity. The AUC value first increased with an increasing number of miRNAs and then became almost constant at approximately 30 miRNAs, suggesting the existence of the optimum number of miRNAs as a panel for future clinical translation of multiple miRNA-based diagnostics.
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3
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Skalsky RL. MicroRNA-mediated control of Epstein-Barr virus infection and potential diagnostic and therapeutic implications. Curr Opin Virol 2022; 56:101272. [PMID: 36242893 DOI: 10.1016/j.coviro.2022.101272] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 09/07/2022] [Accepted: 09/15/2022] [Indexed: 11/03/2022]
Abstract
Herpesviruses, such as Epstein-Barr virus (EBV), encode multiple viral microRNAs that are expressed throughout various infection stages. While much progress has been made in evaluating both the viral and host microRNAs (miRNAs) that are detected during infection as well as elucidating their molecular targets in vitro, our understanding of their contributions to pathogenesis in vivo, viral oncogenesis, and clinical implications for these small molecules remains limited. miRNAs are widely recognized as key regulators of global cellular processes, including apoptosis, cell differentiation, and development of immune responses. This review discusses the roles of miRNAs in EBV infection and current advances in miRNA-based diagnostic and therapeutic strategies potentially applicable toward EBV-associated diseases.
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Affiliation(s)
- Rebecca L Skalsky
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, OR, USA.
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4
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Wang CC, Zhu CC, Chen X. Ensemble of kernel ridge regression-based small molecule-miRNA association prediction in human disease. Brief Bioinform 2021; 23:6407727. [PMID: 34676393 DOI: 10.1093/bib/bbab431] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/06/2021] [Accepted: 09/18/2021] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRNAs) play crucial roles in human disease and can be targeted by small molecule (SM) drugs according to numerous studies, which shows that identifying SM-miRNA associations in human disease is important for drug development and disease treatment. We proposed the method of Ensemble of Kernel Ridge Regression-based Small Molecule-MiRNA Association prediction (EKRRSMMA) to uncover potential SM-miRNA associations by combing feature dimensionality reduction and ensemble learning. First, we constructed different feature subsets for both SMs and miRNAs. Then, we trained homogeneous base learners based on distinct feature subsets and took the average of scores obtained from these base learners as SM-miRNA association score. In EKRRSMMA, feature dimensionality reduction technology was employed in the process of construction of feature subsets to reduce the influence of noisy data. Besides, the base learner, namely KRR_avg, was the combination of two classifiers constructed under SM space and miRNA space, which could make full use of the information of SM and miRNA. To assess the prediction performance of EKRRSMMA, we conducted Leave-One-Out Cross-Validation (LOOCV), SM-fixed local LOOCV, miRNA-fixed local LOOCV and 5-fold CV based on two datasets. For Dataset 1 (Dataset 2), EKRRSMMA got the Area Under receiver operating characteristic Curves (AUCs) of 0.9793 (0.8871), 0.8071 (0.7705), 0.9732 (0.8586) and 0.9767 ± 0.0014 (0.8560 ± 0.0027). Besides, we conducted four case studies. As a result, 32 (5-Fluorouracil), 19 (17β-Estradiol), 26 (5-Aza-2'-deoxycytidine) and 11 (cyclophosphamide) out of top 50 predicted potentially associated miRNAs were confirmed by database or experimental literature. Above evaluation results demonstrated that EKRRSMMA is reliable for predicting SM-miRNA associations.
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Affiliation(s)
- Chun-Chun Wang
- School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China
| | - Chi-Chi Zhu
- School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China
| | - Xing Chen
- Artificial Intelligence Research Institute, China University of Mining and Technology, Xuzhou 221116, China
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5
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Gao HX, Li SJ, Wang MB, Yan SF, Cui WL, Ma ZP, Xue J, Sang W, Zhang W, Li XX. Screening and identification of differentially expressed microRNAs in diffuse large B-cell lymphoma based on microRNA microarray. Oncol Lett 2021; 22:753. [PMID: 34539857 PMCID: PMC8436336 DOI: 10.3892/ol.2021.13014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 05/18/2021] [Indexed: 02/07/2023] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common type of B-cell non-Hodgkin lymphoma in adults and the pathogenesis of DLBCL is multifactorial and complex. Understanding the molecular mechanisms involved in DLBCL is important to identify new therapeutic targets. The present study aimed to screen and identify differentially expressed microRNAs (miRNAs/miRs) between diffuse large B-cell lymphoma (DLBCL) and control [lymph node reactive hyperplasia (LRH)] groups, and to investigate whether miRNAs associated with DLBCL could serve as potential therapeutic targets. In total, 5 DLBCL experimental samples and 5 control samples were obtained from fresh patient tissues. Firstly, the fresh samples were analyzed using miRNA microarray to identify differentially expressed miRNAs. Next, three databases (TargetScan, microRNA.org and PITA) were used to predict by intersection the potential target genes of the 204 differential miRNAs identified, and a Venn diagram of the results was performed. Subsequently, the target genes of differential miRNAs were analyzed by Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis. Finally, to validate the miRNA microarray data, reverse transcription-quantitative PCR (RT-qPCR) was performed for 8 differentially expressed miRNAs (miR-193a-3p, miR-19a-3p, miR-19b-3p, miR-370-3p, miR-1275, miR-490-5p, miR-630 and miR-665) using DLBCL and LRH fresh samples. In total, 204 miRNAs exhibited differential expression, including 105 downregulated and 54 upregulated miRNAs. The cut-off criteria were set as P≤0.05 and fold-change ≥2. A total of 7,522 potential target genes for the 204 miRNAs were predicted. Potential target genes were enriched in the following pathways: ‘Cancer’, ‘MAPK signaling pathway’, ‘regulation of actin cytoskeleton’, ‘focal adhesion’, ‘endocytosis’, ‘Wnt signaling pathway’, ‘axon guidance’, ‘calcium signaling pathway’ and ‘PI3K/AKT signaling pathway’. A total of 8 miRNAs were validated by RT-qPCR, and 4 miRNAs (miR-19b-3p, miR-193a-3p, miR-370-3p and miR-490-5p) exhibited low expression levels in DLBCL (P<0.05), while miR-630 was highly expressed in DLBCL (P<0.05). Overall, the present study screened 204 differentially expressed miRNAs and analyzed the expression levels of 8 differentially expressed miRNAs in DLBCL. These differentially expressed miRNAs may serve as therapeutic targets for improvement of therapeutic efficacy in DLBCL in the future.
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Affiliation(s)
- Hai-Xia Gao
- Department of Pathology and NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang Uygur Autonomous Region 832002, P.R. China.,Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Si-Jing Li
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Meng-Bo Wang
- Department of Ultrasound, The First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang Uygur Autonomous Region 832002, P.R. China
| | - Shu-Fang Yan
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Wen-Li Cui
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Zhi-Ping Ma
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Jing Xue
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Wei Sang
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Wei Zhang
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
| | - Xin-Xia Li
- Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830054, P.R. China
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6
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Li Y, Zhang L, Dong Z, Xu H, Yan L, Wang W, Yang Q, Chen C. MicroRNA-155-5p promotes tumor progression and contributes to paclitaxel resistance via TP53INP1 in human breast cancer. Pathol Res Pract 2021; 220:153405. [DOI: 10.1016/j.prp.2021.153405] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/22/2021] [Accepted: 02/27/2021] [Indexed: 12/17/2022]
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7
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Morales-Martinez M, Lichtenstein A, Vega MI. Function of Deptor and its roles in hematological malignancies. Aging (Albany NY) 2021; 13:1528-1564. [PMID: 33412518 PMCID: PMC7834987 DOI: 10.18632/aging.202462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/10/2020] [Indexed: 12/12/2022]
Abstract
Deptor is a protein that interacts with mTOR and that belongs to the mTORC1 and mTORC2 complexes. Deptor is capable of inhibiting the kinase activity of mTOR. It is well known that the mTOR pathway is involved in various signaling pathways that are involved with various biological processes such as cell growth, apoptosis, autophagy, and the ER stress response. Therefore, Deptor, being a natural inhibitor of mTOR, has become very important in its study. Because of this, it is important to research its role regarding the development and progression of human malignancies, especially in hematologic malignancies. Due to its variation in expression in cancer, it has been suggested that Deptor can act as an oncogene or tumor suppressor depending on the cellular or tissue context. This review discusses recent advances in its transcriptional and post-transcriptional regulation of Deptor. As well as the advances regarding the activities of Deptor in hematological malignancies, its possible role as a biomarker, and its possible clinical relevance in these malignancies.
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Affiliation(s)
- Mario Morales-Martinez
- Molecular Signal Pathway in Cancer Laboratory, UIMEO, Oncology Hospital, Siglo XXI National Medical Center, IMSS, México City, México
| | - Alan Lichtenstein
- Department of Medicine, Hematology-Oncology Division, Greater Los Angeles VA Healthcare Center, UCLA Medical Center, Jonsson Comprehensive Cancer Center, Los Angeles, CA 90024, USA
| | - Mario I Vega
- Molecular Signal Pathway in Cancer Laboratory, UIMEO, Oncology Hospital, Siglo XXI National Medical Center, IMSS, México City, México.,Department of Medicine, Hematology-Oncology Division, Greater Los Angeles VA Healthcare Center, UCLA Medical Center, Jonsson Comprehensive Cancer Center, Los Angeles, CA 90024, USA
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8
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Malik-Chaudhry HK, Prabhakar K, Ugamraj HS, Boudreau AA, Buelow B, Dang K, Davison LM, Harris KE, Jorgensen B, Ogana H, Pham D, Schellenberger U, Van Schooten W, Buelow R, Iyer S, Trinklein ND, Rangaswamy US. TNB-486 induces potent tumor cell cytotoxicity coupled with low cytokine release in preclinical models of B-NHL. MAbs 2021; 13:1890411. [PMID: 33818299 PMCID: PMC8023237 DOI: 10.1080/19420862.2021.1890411] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/05/2021] [Accepted: 02/10/2021] [Indexed: 12/17/2022] Open
Abstract
The therapeutic potential of targeting CD19 in B cell malignancies has garnered attention in the past decade, resulting in the introduction of novel immunotherapy agents. Encouraging clinical data have been reported for T cell-based targeting agents, such as anti-CD19/CD3 bispecific T-cell engager blinatumomab and chimeric antigen receptor (CAR)-T therapies, for acute lymphoblastic leukemia and B cell non-Hodgkin lymphoma (B-NHL). However, clinical use of both blinatumomab and CAR-T therapies has been limited due to unfavorable pharmacokinetics (PK), significant toxicity associated with cytokine release syndrome and neurotoxicity, and manufacturing challenges. We present here a fully human CD19xCD3 bispecific antibody (TNB-486) for the treatment of B-NHL that could address the limitations of the current approved treatments. In the presence of CD19+ target cells and T cells, TNB-486 induces tumor cell lysis with minimal cytokine release, when compared to a positive control. In vivo, TNB-486 clears CD19+ tumor cells in immunocompromised mice in the presence of human peripheral blood mononuclear cells in multiple models. Additionally, the PK of TNB-486 in mice or cynomolgus monkeys is similar to conventional antibodies. This new T cell engaging bispecific antibody targeting CD19 represents a novel therapeutic that induces potent T cell-mediated tumor-cell cytotoxicity uncoupled from high levels of cytokine release, making it an attractive candidate for B-NHL therapy.
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MESH Headings
- Animals
- Antibodies, Bispecific/pharmacokinetics
- Antibodies, Bispecific/pharmacology
- Antibodies, Monoclonal, Humanized/pharmacokinetics
- Antibodies, Monoclonal, Humanized/pharmacology
- Antigens, CD19/immunology
- Antineoplastic Agents, Immunological/pharmacokinetics
- Antineoplastic Agents, Immunological/pharmacology
- CD3 Complex/antagonists & inhibitors
- CD3 Complex/immunology
- CD4-Positive T-Lymphocytes/drug effects
- CD4-Positive T-Lymphocytes/immunology
- CD4-Positive T-Lymphocytes/metabolism
- CD8-Positive T-Lymphocytes/drug effects
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- Coculture Techniques
- Cytokines/metabolism
- Cytotoxicity, Immunologic/drug effects
- Humans
- K562 Cells
- Lymphocyte Activation/drug effects
- Lymphoma, Non-Hodgkin/drug therapy
- Lymphoma, Non-Hodgkin/immunology
- Lymphoma, Non-Hodgkin/metabolism
- Macaca fascicularis
- Mice, Inbred BALB C
- Mice, Inbred NOD
- Mice, SCID
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
| | | | | | | | | | - Kevin Dang
- Teneobio, Inc., Newark, CA, United States
| | | | | | | | - Heather Ogana
- Graduate Program in Cancer Biology and Genomics, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Duy Pham
- Teneobio, Inc., Newark, CA, United States
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9
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Karstensen KT, Schein A, Petri A, Bøgsted M, Dybkær K, Uchida S, Kauppinen S. Long Non-Coding RNAs in Diffuse Large B-Cell Lymphoma. Noncoding RNA 2020; 7:1. [PMID: 33379241 PMCID: PMC7838888 DOI: 10.3390/ncrna7010001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/21/2020] [Accepted: 12/24/2020] [Indexed: 12/12/2022] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoid malignancy in adults. Although significant progress has been made in recent years to treat DLBCL patients, 30%-40% of the patients eventually relapse or are refractory to first line treatment, calling for better therapeutic strategies for DLBCL. Long non-coding RNAs (lncRNAs) have emerged as a highly diverse group of non-protein coding transcripts with intriguing molecular functions in human disease, including cancer. Here, we review the current understanding of lncRNAs in the pathogenesis and progression of DLBCL to provide an overview of the field. As the current knowledge of lncRNAs in DLBCL is still in its infancy, we provide molecular signatures of lncRNAs in DLBCL cell lines to assist further lncRNA research in DLBCL.
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Affiliation(s)
- Kasper Thystrup Karstensen
- Center for RNA Medicine, Department of Clinical Medicine, Aalborg University, DK-2450 Copenhagen, Denmark; (K.T.K.); (A.S.); (A.P.)
| | - Aleks Schein
- Center for RNA Medicine, Department of Clinical Medicine, Aalborg University, DK-2450 Copenhagen, Denmark; (K.T.K.); (A.S.); (A.P.)
| | - Andreas Petri
- Center for RNA Medicine, Department of Clinical Medicine, Aalborg University, DK-2450 Copenhagen, Denmark; (K.T.K.); (A.S.); (A.P.)
| | - Martin Bøgsted
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, DK-9000 Aalborg, Denmark; (M.B.); (K.D.)
- Department of Haematology, Clinical Cancer Research Center, Aalborg University Hospital, DK-9000 Aalborg, Denmark
| | - Karen Dybkær
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, DK-9000 Aalborg, Denmark; (M.B.); (K.D.)
- Department of Haematology, Clinical Cancer Research Center, Aalborg University Hospital, DK-9000 Aalborg, Denmark
| | - Shizuka Uchida
- Center for RNA Medicine, Department of Clinical Medicine, Aalborg University, DK-2450 Copenhagen, Denmark; (K.T.K.); (A.S.); (A.P.)
| | - Sakari Kauppinen
- Center for RNA Medicine, Department of Clinical Medicine, Aalborg University, DK-2450 Copenhagen, Denmark; (K.T.K.); (A.S.); (A.P.)
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