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Hu C, Xu Y, Li F, Mi W, Yu H, Wang X, Wen X, Chen S, Li X, Xu Y, Zhang Y. Identifying and characterizing drug sensitivity-related lncRNA-TF-gene regulatory triplets. Brief Bioinform 2022; 23:6675752. [PMID: 36007239 PMCID: PMC9487635 DOI: 10.1093/bib/bbac366] [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: 04/13/2022] [Revised: 06/19/2022] [Accepted: 08/06/2022] [Indexed: 11/15/2022] Open
Abstract
Recently, many studies have shown that lncRNA can mediate the regulation of TF-gene in drug sensitivity. However, there is still a lack of systematic identification of lncRNA-TF-gene regulatory triplets for drug sensitivity. In this study, we propose a novel analytic approach to systematically identify the lncRNA-TF-gene regulatory triplets related to the drug sensitivity by integrating transcriptome data and drug sensitivity data. Totally, 1570 drug sensitivity-related lncRNA-TF-gene triplets were identified, and 16 307 relationships were formed between drugs and triplets. Then, a comprehensive characterization was performed. Drug sensitivity-related triplets affect a variety of biological functions including drug response-related pathways. Phenotypic similarity analysis showed that the drugs with many shared triplets had high similarity in their two-dimensional structures and indications. In addition, Network analysis revealed the diverse regulation mechanism of lncRNAs in different drugs. Also, survival analysis indicated that lncRNA-TF-gene triplets related to the drug sensitivity could be candidate prognostic biomarkers for clinical applications. Next, using the random walk algorithm, the results of which we screen therapeutic drugs for patients across three cancer types showed high accuracy in the drug-cell line heterogeneity network based on the identified triplets. Besides, we developed a user-friendly web interface-DrugSETs (http://bio-bigdata.hrbmu.edu.cn/DrugSETs/) available to explore 1570 lncRNA-TF-gene triplets relevant with 282 drugs. It can also submit a patient’s expression profile to predict therapeutic drugs conveniently. In summary, our research may promote the study of lncRNAs in the drug resistance mechanism and improve the effectiveness of treatment.
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Affiliation(s)
- Congxue Hu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Yingqi Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Feng Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Wanqi Mi
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - He Yu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Xinran Wang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Xin Wen
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Shuaijun Chen
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Xia Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China.,Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou 571199, China
| | - Yanjun Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Yunpeng Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
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Wang T, Li Z, Yan L, Yan F, Shen H, Tian X. Long Non-Coding RNA Neighbor of BRCA1 Gene 2: A Crucial Regulator in Cancer Biology. Front Oncol 2021; 11:783526. [PMID: 34926299 PMCID: PMC8674783 DOI: 10.3389/fonc.2021.783526] [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: 09/26/2021] [Accepted: 11/15/2021] [Indexed: 11/13/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are involved in fundamental biochemical and cellular processes. The neighbor of BRCA1 gene 2 (NBR2) is a long intergenic non-coding RNA (lincRNA) whose gene locus is adjacent to the tumor suppressor gene breast cancer susceptibility gene 1 (BRCA1). In human cancers, NBR2 expression is dysregulated and correlates with clinical outcomes. Moreover, NBR2 is crucial for glucose metabolism and affects the proliferation, survival, metastasis, and therapeutic resistance in different types of cancer. Here, we review the precise molecular mechanisms underlying NBR2-induced changes in cancer. In addition, the potential application of NBR2 in the diagnosis and treatment of cancer is also discussed, as well as the challenges of exploiting NBR2 for cancer intervention.
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Affiliation(s)
- Ting Wang
- Department of Laboratory Medicine, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Zhaosheng Li
- Department of Laboratory Medicine, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Liujia Yan
- Department of Laboratory Medicine, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Feng Yan
- Department of Laboratory Medicine, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Han Shen
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
| | - Xinyu Tian
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
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Zhu C, He X, Chen K, Huang Z, Yao A, Tian X, You Y, Zeng M. LncRNA NBR2 aggravates hepatoblastoma cell malignancy and promotes cell proliferation under glucose starvation through the miR-22/TCF7 axis. Cell Cycle 2021; 20:575-590. [PMID: 33651649 DOI: 10.1080/15384101.2021.1885236] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Hepatoblastoma (HB) is the most commonly seen pediatric liver malignancy. With frequent mutations in CTNNB1 gene that encodes β-catenin, hepatoblastoma has been considered as a Wnt/β-catenin-activated malignant tumor. Altered glucose metabolism upon nutrient deprivation (glucose starvation) might also be a critical event in hepatoblastoma carcinogenesis. The present study provides a lncRNA NBR2/miR-22/TCF7 axis modulating proliferation, invasion, migration, and apoptosis of hepatoblastoma cells upon glucose starvation through Wnt and downstream TCF7 signaling pathways. The expression of NBR2 is significantly increased within hepatoblastoma tissue samples; moreover, under incubation with 0 mM glucose (glucose starvation), NBR2 expression is significantly upregulated. NBR2 silencing not only inhibited hepatoblastoma cell viability, invasion, and migration under normal culture condition but also promoted the cell apoptosis under glucose starvation. NBR2 silencing in hepatoblastoma cells also decreased TCF7 mRNA expression and TCF7 protein levels, as well as the protein levels of the cell cycle, glucose entrapment, and EMT markers. miR-22 is directly bound to both NBR2 and TCF7; lncRNA NBR2 counteracted miR-22-mediated repression on TCF7 via acting as a ceRNA. The effects of NBR2 silencing on TCF7 expression, hepatoblastoma cell phenotype, and cell cycle, glucose entrapment, and EMT markers were all significantly reversed by miR-22 inhibition. In conclusion, lncRNA NBR2 aggravates hepatoblastoma cell malignancy through competing with TCF7 for miR-22 binding, therefore counteracting miR-22-mediated repression on TCF7. LncRNA NBR2 might be a promising target to inhibit hepatoblastoma cell proliferation under glucose starvation.
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Affiliation(s)
- Chengguang Zhu
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Xiangling He
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Keke Chen
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Zhijun Huang
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Anqi Yao
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Xin Tian
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Yalan You
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Minhui Zeng
- Department of Pediatric Hematology and Oncology, Children's Medical Center of Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Changsha, China
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Yan J, Chen D, Chen X, Sun X, Dong Q, Hu C, Zhou F, Chen W. Downregulation of lncRNA CCDC26 contributes to imatinib resistance in human gastrointestinal stromal tumors through IGF-1R upregulation. ACTA ACUST UNITED AC 2019; 52:e8399. [PMID: 31166382 PMCID: PMC6556970 DOI: 10.1590/1414-431x20198399] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/21/2019] [Indexed: 12/11/2022]
Abstract
Imatinib is the first line of therapy for patients with metastatic or gastrointestinal stromal tumors (GIST). However, drug resistance limits the long-term effect of imatinib. Long non-coding RNAs (lncRNAs) are emerging as key players in regulating drug resistance in cancer. In this study, we investigated the association between lncRNA CCDC26 and IGF-1R in GIST and their involvement in drug resistance. Considering the key role of lncRNAs in drug resistance in cancer, we hypothesized that IGF-1R is regulated by lncRNAs. The expression of a series of reported drug resistance-related lncRNAs, including CCDC26, ARF, H19, NBR2, NEAT1, and HOTAIR, in GIST cells treated with imatinib H19 was examined at various time-points by qRT-PCR. Based on our results and published literature, CCDC26, a strongly down-regulated lncRNA following imatinib treatment, was chosen as our research target. GIST cells with high expression of CCDC26 were sensitive to imatinib treatment while knockdown of CCDC26 significantly increased the resistance to imatinib. Furthermore, we found that CCDC26 interacted with c-KIT by RNA pull down, and that CCDC26 knockdown up-regulated the expression of IGF-1R. Moreover, IGF-1R inhibition reversed CCDC26 knockdown-mediated imatinib resistance in GIST. These results indicated that treatments targeting CCDC26-IGF-1R axis would be useful in increasing sensitivity to imatinib in GIST.
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Affiliation(s)
- Jingyi Yan
- Department of Gastroenterology and General Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Didi Chen
- Department of Radiotherapy and Medical Oncology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Xiaolei Chen
- Department of Gastroenterology and General Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Xuecheng Sun
- Department of Gastroenterology and Hepatology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Qiantong Dong
- Department of Gastroenterology and General Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Changyuan Hu
- Department of Gastroenterology and General Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Feng Zhou
- Department of Gastroenterology and General Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Wei Chen
- Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang Province, China
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Cai W, Wu B, Li Z, He P, Wang B, Cai A, Zhang X. LncRNA NBR2 inhibits epithelial-mesenchymal transition by regulating Notch1 signaling in osteosarcoma cells. J Cell Biochem 2019; 120:2015-2027. [PMID: 30187965 DOI: 10.1002/jcb.27508] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 07/25/2018] [Indexed: 01/24/2023]
Abstract
Long noncoding RNAs (lncRNAs) have been identified to have increasingly important roles in tumorigenesis, and they may serve as novel biomarkers for cancer therapy. Recent studies have demonstrated that lncRNA NBR2 (neighbor of BRCA1 gene 2), a novel identified lncRNA, is decreased in several cancers; however, the role of NBR2 in the development of osteosarcoma has not been elucidated. In our study, we found that NBR2 expression was downregulated in osteosarcoma tissues, and osteosarcoma cases with lower NBR2 expression exhibited a shorter overall survival time compared with those with higher NBR2 expression. NBR2 overexpression inhibited osteosarcoma cell proliferation, invasion, and migration but did not increase apoptosis. Furthermore, RNA-binding protein immunoprecipitation assays confirmed that NBR2 directly binds to Notch1 protein. Furthermore, overexpression of Notch1 in NBR2-overexpressing osteosarcoma cells reversed the effects of NBR2 on cell proliferation, invasion, migration, and epithelial-mesenchymal transition. The in vivo results showed that NBR2 overexpression inhibited tumor growth in nude mice that were inoculated with osteosarcoma cells. NBR2 overexpression also suppressed the messenger RNA (mRNA) expression of Notch1, N-cadherin, and vimentin and increased the mRNA expression of E-cadherin in the tumor tissues. These data indicated that NBR2 served as a tumor suppressor gene in osteosarcoma and inhibited osteosarcoma cell proliferation, invasion, and migration. The current study provides a novel insight and treatment strategy for osteosarcoma.
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Affiliation(s)
- Weiliang Cai
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Bowen Wu
- Department of Orthopedics, The Affiliated Zhuzhou Hospital, Xiangya Medical College, Central South University, Zhuzhou, China
| | - Zhizhong Li
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Peiheng He
- Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Biao Wang
- Department of Orthopedics, The Affiliated Zhuzhou Hospital, Xiangya Medical College, Central South University, Zhuzhou, China
| | - Anlie Cai
- Department of Orthopedics, The Affiliated Zhuzhou Hospital, Xiangya Medical College, Central South University, Zhuzhou, China
| | - Xiping Zhang
- Department of Orthopedics, The Affiliated Zhuzhou Hospital, Xiangya Medical College, Central South University, Zhuzhou, China
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