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Song H, Adu-Amankwaah J, Zhao Q, Yang D, Liu K, Bushi A, Zhao J, Yuan J, Tan R. Decoding long non‑coding RNAs: Friends and foes in cancer development (Review). Int J Oncol 2024; 64:61. [PMID: 38695241 PMCID: PMC11095623 DOI: 10.3892/ijo.2024.5649] [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: 11/03/2023] [Accepted: 04/02/2024] [Indexed: 05/12/2024] Open
Abstract
Cancer remains a formidable adversary, challenging medical advancements with its dismal prognosis, low cure rates and high mortality rates. Within this intricate landscape, long non‑coding RNAs (lncRNAs) emerge as pivotal players, orchestrating proliferation and migration of cancer cells. Harnessing the potential of lncRNAs as therapeutic targets and prognostic markers holds immense promise. The present comprehensive review delved into the molecular mechanisms underlying the involvement of lncRNAs in the onset and progression of the top five types of cancer. By meticulously examining lncRNAs across diverse types of cancer, it also uncovered their distinctive roles, highlighting their exclusive oncogenic effects or tumor suppressor properties. Notably, certain lncRNAs demonstrate diverse functions across different cancers, confounding the conventional understanding of their roles. Furthermore, the present study identified lncRNAs exhibiting aberrant expression patterns in numerous types of cancer, presenting them as potential indicators for cancer screening and diagnosis. Conversely, a subset of lncRNAs manifests tissue‑specific expression, hinting at their specialized nature and untapped significance in diagnosing and treating specific types of cancer. The present comprehensive review not only shed light on the intricate network of lncRNAs but also paved the way for further research and clinical applications. The unraveled molecular mechanisms offer a promising avenue for targeted therapeutics and personalized medicine, combating cancer proliferation, invasion and metastasis.
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Affiliation(s)
- Hequn Song
- First Clinical Medical School, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China
| | - Joseph Adu-Amankwaah
- Department of Physiology, Basic Medical School, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China
| | - Qizhong Zhao
- Department of Emergency, The First Hospital of China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Dongqi Yang
- School of Life Science and Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China
| | - Kuntao Liu
- School of Life Science and Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China
| | - Aisha Bushi
- School of International Education, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China
| | - Jinming Zhao
- Department of Pathology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, P.R. China
- Department of Pathology, The First Hospital of China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Jinxiang Yuan
- Lin He Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, Jining, Shandong 272067, P.R. China
| | - Rubin Tan
- Department of Physiology, Basic Medical School, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China
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Hor YZ, Salvamani S, Gunasekaran B, Yian KR. CRNDE: A Pivotal Oncogenic Long Non-Coding RNA in Cancers. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2023; 96:511-526. [PMID: 38161583 PMCID: PMC10751873 DOI: 10.59249/vhye2306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Colorectal Neoplasia Differentially Expressed (CRNDE), a long non-coding RNA that was initially identified as aberrantly expressed in colorectal cancer (CRC) has also been observed to exhibit elevated expression in various other human malignancies. Recent research has accumulated substantial evidence implicating CRNDE as an oncogenic player, exerting influence over critical cellular processes linked to cancer progression. Particularly, its regulatory interactions with microRNAs and proteins have been shown to modulate pathways that contribute to carcinogenesis and tumorigenesis. This review will comprehensively outline the roles of CRNDE in colorectal, liver, glioma, lung, cervical, gastric and prostate cancer, elucidating the mechanisms involved in modulating proliferation, apoptosis, migration, invasion, angiogenesis, and radio/chemoresistance. Furthermore, the review highlights CRNDE's potential as a multifaceted biomarker, owing to its presence in diverse biological samples and stable properties, thereby underscoring its diagnostic, therapeutic, and prognostic applications. This review aims to provide comprehensive insights of CRNDE-mediated oncogenesis and identify CRNDE as a promising target for future clinical interventions.
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Affiliation(s)
- Yi Zhen Hor
- Division of Applied Biomedical Sciences and
Biotechnology, School of Health Sciences, International Medical University,
Kuala Lumpur, Malaysia
| | - Shamala Salvamani
- Division of Applied Biomedical Sciences and
Biotechnology, School of Health Sciences, International Medical University,
Kuala Lumpur, Malaysia
| | - Baskaran Gunasekaran
- Department of Biotechnology, Faculty of Applied
Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Koh Rhun Yian
- Division of Applied Biomedical Sciences and
Biotechnology, School of Health Sciences, International Medical University,
Kuala Lumpur, Malaysia
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Liu W, Zuo B, Liu W, Huo Y, Zhang N, Yang M. Long non-coding RNAs in non-small cell lung cancer: implications for preventing therapeutic resistance. Biochim Biophys Acta Rev Cancer 2023; 1878:188982. [PMID: 37734560 DOI: 10.1016/j.bbcan.2023.188982] [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: 06/21/2023] [Revised: 08/14/2023] [Accepted: 08/15/2023] [Indexed: 09/23/2023]
Abstract
Lung cancer has the highest mortality and morbidity rates among all cancers worldwide. Despite many complex treatment options, including radiotherapy, chemotherapy, targeted drugs, immunotherapy, and combinations of these treatments, efficacy is low in cases of resistance to therapy, metastasis, and advanced disease, contributing to low overall survival. There is a pressing need for the discovery of novel biomarkers and therapeutic targets for the early diagnosis of lung cancer and to determine the efficacy and outcomes of drug treatments. There is now substantial evidence for the diagnostic and prognostic value of long noncoding RNAs (lncRNAs). This review briefly discusses recent findings on the roles and mechanisms of action of lncRNAs in the responses to therapy in non-small cell lung cancer.
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Affiliation(s)
- Wenjuan Liu
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province 250117, China
| | - Bingli Zuo
- Human Resources Department, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province 250117, China
| | - Wenting Liu
- Department of Neurology, Weifang People's Hospital, Weifang, Shandong Province 261041, China
| | - Yanfei Huo
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province 250117, China
| | - Nasha Zhang
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province 250117, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu Province 211166, China.
| | - Ming Yang
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province 250117, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu Province 211166, China.
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4
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Almalki WH. Beyond the genome: lncRNAs as regulators of the PI3K/AKT pathway in lung cancer. Pathol Res Pract 2023; 251:154852. [PMID: 37837857 DOI: 10.1016/j.prp.2023.154852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/18/2023] [Accepted: 10/02/2023] [Indexed: 10/16/2023]
Abstract
Lung cancer is a prevalent and devastating disease, representing a significant global health burden. Despite advancements in therapeutic strategies, the molecular mechanisms underlying its pathogenesis remain incompletely understood. Lung cancer typically displays the deregulated activity of the phosphoinositide 3-kinase/protein kinase B (PI3K/AKT) pathway, which is vital for cell proliferation, survival, and metastasis. Emerging evidence suggests that long non-coding RNA (lncRNAs) can modulate the PI3K/AKT pathway, offering new insights into lung cancer biology and potential therapeutic opportunities. These lncRNA act as either oncogenes, promoting pathway activation, or tumour suppressors, attenuating pathway signalling. The dysregulation of lncRNA is associated with various cellular processes, including apoptosis, cell cycle control, epithelial-mesenchymal transition (EMT), and angiogenesis, ultimately influencing lung cancer growth and metastasis. The development of novel therapeutic strategies, such as small interfering RNAs (siRNAs), antisense oligonucleotides, and CRISPR/Cas9-mediated gene editing, holds promise for restoring lncRNAs dysregulation and re-establishing the equilibrium of the PI3K/AKT pathway. The emerging role of lncRNAs as regulators of the PI3K/AKT pathway sheds new light on the complex molecular landscape of lung cancer. Understanding the interplay between lncRNA and the PI3K/AKT pathway could lead to the identification of novel biomarkers for prognosis and therapeutic targets for precision medicine. The potential of lncRNAs-based therapeutics may pave the way for more effective and personalized treatment approaches in lung cancer and potentially other malignancies with dysregulated PI3K/AKT signalling. This review aims to explore the emerging role of lncRNAs as key regulators of the PI3K/AKT pathway in lung cancer.
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Affiliation(s)
- Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia.
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Ghafouri-Fard S, Safarzadeh A, Hussen BM, Taheri M, Mokhtari M. Contribution of CRNDE lncRNA in the development of cancer and the underlying mechanisms. Pathol Res Pract 2023; 244:154387. [PMID: 36893710 DOI: 10.1016/j.prp.2023.154387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/19/2023] [Accepted: 02/23/2023] [Indexed: 03/09/2023]
Abstract
Colorectal Neoplasia Differentially Expressed (CRNDE) is an lncRNA with crucial roles in cancer development. It is located on chromosome 16 on the opposite strand to the adjacent IRX5 gene, implying the presence of a shared bidirectional promoter for these two genes. Expression of CRNDE has been assessed in a diverse array of hematological malignancies and solid tumors, representing its potential as a therapeutic target in these conditions. This lncRNA has a regulatory effect on activity of several pathways and axes that are involved in the regulation of cell apoptosis, immune responses and tumorigenesis. The current review is an updated review about the role of CRNDE in the development of cancers.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Safarzadeh
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region, Iraq
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany; Urology and Nephrology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Majid Mokhtari
- Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Mao K, Tang R, Wu Y, Zhang Z, Gao Y, Huang H. Prognostic markers of ferroptosis-related long non-coding RNA in lung adenocarcinomas. Front Genet 2023; 14:1118273. [PMID: 36923797 PMCID: PMC10009162 DOI: 10.3389/fgene.2023.1118273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/15/2023] [Indexed: 03/02/2023] Open
Abstract
Ferroptosis is a recently established type of iron-dependent programmed cell death. Growing studies have focused on the function of ferroptosis in cancers, including lung adenocarcinoma (LUAD). However, the factors involved in the regulation of ferroptosis-related genes are not fully understood. In this study, we collected data from lung adenocarcinoma datasets of the Cancer Genome Atlas (TCGA-LUAD). The expression profiles of 60 ferroptosis-related genes were screened, and two differentially expressed ferroptosis subtypes were identified. We found the two ferroptosis subtypes can predict clinical outcomes and therapeutic responses in LUAD patients. Furthermore, key long non-coding RNAs (lncRNAs) were screened by single factor Cox and least absolute shrinkage and selection operator (LASSO) based on which co-expressed with the 60 ferroptosis-related genes. We then established a risk score model which included 13 LUAD ferroptosis-related lncRNAs with a multi-factor Cox regression. The risk score model showed a good performance in evaluating the outcome of LUAD. What's more, we divided TCGA-LUAD tumor samples into two groups with high- and low-risk scores and further explored the differences in clinical characteristics, tumor mutation burden, and tumor immune cell infiltration among different LUAD tumor risk score groups and evaluate the predictive ability of risk score for immunotherapy benefit. Our findings provide good support for immunotherapy in LUAD in the future.
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Affiliation(s)
- Kaimin Mao
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Ri Tang
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yali Wu
- Department of Respiratory and Critical Care Medicine, NHC Key Laboratory of Pulmonary Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhiyun Zhang
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yuan Gao
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Huijing Huang
- Department of Rheumatology, Zhongshan Hospital, Fudan University, Shanghai, China
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CRNDE: A valuable long noncoding RNA for diagnosis and therapy of solid and hematological malignancies. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 28:190-201. [PMID: 35402077 PMCID: PMC8961077 DOI: 10.1016/j.omtn.2022.03.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Colorectal neoplasia differentially expressed (CRNDE) is an oncogenic long noncoding RNA (lncRNA). Increased CRNDE expression was initially discovered in colorectal cancer and then in a variety of solid tumors and hematological malignancies. CRNDE participates in multiple biological processes, such as cell proliferation, differentiation, migration, and apoptosis. CRNDE has been shown to modulate target gene expression through multiple mechanisms, including transcriptional regulation, post-transcriptional regulation, and competition for microRNA (miRNA) binding. In this review, we summarize the evidence that supports CRNDE in the diagnosis and prognosis predicting of cancers. The functional roles and molecular mechanisms of CRNDE are further described for major types of solid tumors and hematological malignancies. The therapeutic potential of CRNDE as a target for research and development is also discussed.
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Li N, Chen XJ, Zeng YH, Zeng LP, Hu K, Chen LJ. Silencing of lncRNA CRNDE attenuates nonsmall-cell lung cancer progression by mediating the miR-455-3p/HDAC2 axis. Kaohsiung J Med Sci 2022; 38:749-760. [PMID: 35611803 DOI: 10.1002/kjm2.12558] [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: 05/08/2021] [Revised: 03/23/2022] [Accepted: 04/24/2022] [Indexed: 01/11/2023] Open
Abstract
Nonsmall-cell lung carcinoma (NSCLC) is one of the deadliest malignancies in the world. LncRNAs are confirmed to be involved in the progression of NSCLC. Meanwhile, lncRNA CRNDE is known to be upregulated in NSCLC; however, the mechanism by which CRNDE regulates the tumourigenesis of NSCLC remains unclear. To test the function of CRNDE in NSCLC, cell proliferation, invasion, and migration were investigated by colony formation and Transwell assays, respectively. qPCR and Western blotting were applied to test gene and protein levels. In addition, the relationship among CRNDE, miR-455-3p, and HDAC2 was explored by dual-luciferase and RIP assays. The data revealed that the expression of CRNDE was upregulated in NSCLC tissues, while miR-455-3p was downregulated. CRNDE knockdown inhibited the viability, migration and invasion of NSCLC cells or epidermal growth factor receptor gene (EGFR)-mutant NSCLC cells. Moreover, inhibition of miR-455-3p exhibited the opposite effect. CRNDE bound with miR-455-3p, and HDAC2 was found to be targeted by miR-455-3p. Meanwhile, miR-455-3p downregulation reversed the effect of CRNDE knockdown on NSCLC cell function. Furthermore, miR-455-3p notably inhibited the growth and invasion of NSCLC cells via downregulation of HDAC2. Knockdown of CRNDE attenuated NSCLC progression via modulation of the miR-455-3p/HDAC2 axis. Thus, those findings might provide a novel strategy against NSCLC.
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Affiliation(s)
- Na Li
- Department of Pathology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China.,Medical College, Hunan University of Medicine, Huaihua, Hunan Province, China.,Department of Pathology, The First Affiliated Hospital of Hunan University of Medicine, Huaihua, Hunan Province, China
| | - Xiao-Juan Chen
- Department of Clinical Laboratory, Hunan Maternal and Child Care Hospital, Changsha, Hunan Province, China
| | - Yun-Hui Zeng
- Medical College, Hunan University of Medicine, Huaihua, Hunan Province, China
| | - Li-Ping Zeng
- Medical College, Hunan University of Medicine, Huaihua, Hunan Province, China
| | - Ke Hu
- Medical College, Hunan University of Medicine, Huaihua, Hunan Province, China
| | - Li-Jun Chen
- Medical College, Hunan University of Medicine, Huaihua, Hunan Province, China
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Zhong Y, Zeng W. NR2F1-AS1 Acts as an Oncogene in Breast Cancer by Competitively Binding with miR-641. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:6778199. [PMID: 35083026 PMCID: PMC8786478 DOI: 10.1155/2022/6778199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 12/31/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Long noncoding RNA (lncRNA) NR2F1-AS1 has been previously reported to be dysregulated in human cancers and implicated in the tumorigenesis and development of tumors. In this research, we detected the expression level and biological function of NR2F1-AS1 in breast cancer (BC). METHODS The expression of NR2F1-AS1 in BC tissues and cell lines was determined by qRT-PCR analysis. The associations of NR2F1-AS1 expression with clinical characteristics and survival rate of BC patients were also analyzed. Cell proliferation, migration, and invasion were measured by the CCK-8 and Transwell assay. RESULTS The results revealed that the total survival time of BC patients with high NR2F1-AS1 expression was lower than that of BC patients with low NR2F1-AS1 expression. Moreover, functional experiments demonstrated that knockdown of NR2F1-AS1 inhibited BC cell viability, migration, and invasion abilities, whereas overexpression of NR2F1-AS1 had the opposite effect. Mechanistic investigation revealed that NR2F1-AS1 can competitively bind with microRNA-641 (miR-641) in BC. These results revealed that NR2F1-AS1 functioned as an oncogene by sponging miR-641 expression in BC cell progression. Moreover, miR-641 was negatively correlated with NR2F1-AS1 in BC tissues. CONCLUSION Hence, NR2F1-AS1 was found to act as an oncogene in breast cancer by suppressing miR-641. We suggested that NR2F1-AS1 could be a potential biomarker for BC diagnosis and therapy.
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Affiliation(s)
- Yan Zhong
- Department of Breast and Thyroid Surgery, Shenzhen Baoan Women's and Children's Hospital, Shenzhen 518102, China
| | - Weiwei Zeng
- Department of Pharmacy, Shenzhen Baoan Women's and Children's Hospital, Shenzhen 518102, China
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Wang T, Zhu H, Xiao M, Zhou S. Serum exosomal long noncoding RNA CRNDE as a prognostic biomarker for hepatocellular carcinoma. J Clin Lab Anal 2021; 35:e23959. [PMID: 34612554 PMCID: PMC8605167 DOI: 10.1002/jcla.23959] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 02/06/2023] Open
Abstract
Background Accumulating evidence has shown that long noncoding RNA (lncRNA) CRNDE functions as an oncogene in many cancer types. However, its clinical value has not yet been explored in hepatocellular carcinoma (HCC). Methods A total of 166 patients with HCC and 100 healthy volunteers were enrolled in this study. The expression levels of serum exosomal lncRNA CRNDE were detected in patients with HCC and controls by quantitative real‐time PCR (qRT‐PCR). Results The serum exosomal lncRNA CRNDE expression levels were significantly increased in patients with HCC compared with normal controls. High serum exosomal lncRNA CRNDE expression was significantly associated with tumor size, tumor differentiation, and TNM stage. Receiver operating characteristic (ROC) analysis revealed that an area under the ROC curve (AUC) of 0.839, with a sensitivity and specificity of 69.3% and 85.0%. In addition, the overall survival (OS) and disease‐free survival (DFS) were significantly longer in patients with lower serum exosomal lncRNA CRNDE expression compared to those with higher CRNDE expression. Moreover, HCC patients with cirrhosis had worse OS and DFS than those without cirrhosis. Univariate and multivariate analyses indicated that high serum exosomal lncRNA CRNDE expression was an independent indicator of poor prognosis. Conclusion Taken together, serum exosomal lncRNA CRNDE might serve as a potential biomarker for HCC diagnosis and prognosis.
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Affiliation(s)
- Ting Wang
- Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, China
| | - Hengkai Zhu
- Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, China
| | - Min Xiao
- Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, China
| | - Shao Zhou
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
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Ma G, Bi S, Zhang P. Long non-coding RNA MIAT regulates ox-LDL-induced cell proliferation, migration and invasion by miR-641/STIM1 axis in human vascular smooth muscle cells. BMC Cardiovasc Disord 2021; 21:248. [PMID: 34016053 PMCID: PMC8139145 DOI: 10.1186/s12872-021-02048-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 05/05/2021] [Indexed: 11/16/2022] Open
Abstract
Background Atherosclerosis (AS) is a primary cause of coronary heart and vascular diseases. Long non-coding RNAs (lncRNAs) are indicated to regulate AS progression. This study aimed to reveal the biological roles of lncRNA myocardial infarction associated transcript (MIAT) in oxidized low-density lipoprotein (ox-LDL)-induced human vascular smooth muscle cells (VSMCs). Methods The RNA levels of MIAT, microRNA-641 (miR-641) and stromal interaction molecule 1 (STIM1) were detected by quantitative real-time polymerase chain reaction (qRT-PCR). The protein levels were determined by western blot analysis. Cell proliferation was assessed by cell colony formation and DNA content quantitation assays. Cell migration and invasion were demonstrated by wound-healing and transwell assays. The putative binding relationships between miR-641 and MIAT or STIM1 were predicted by starbase online database, and identified by dual-luciferase reporter and RNA immunoprecipitation assays. Results MIAT and STIM1 expression were substantially upregulated, whereas miR-641 expression was downregulated in ox-LDL-induced VSMCs compared with control groups. Functionally, MIAT silencing attenuated ox-LDL-induced cell proliferation, migration and invasion in VSMCs; however, these effects were impaired by miR-641 inhibitor. STIM1 overexpression also restrained miR-641-mediated impacts on cell proliferation and metastasis under ox-LDL. Mechanistically, MIAT acted as a sponge for miR-641, and miR-641 was associated with STIM1. Conclusions MIAT silencing hindered ox-LDL-induced cell proliferation, migration and invasion by downregulating STIM1 expression through binding to miR-641 in VSMCs. The mechanism provided us with a new target for AS therapy. Supplementary Information The online version contains supplementary material available at 10.1186/s12872-021-02048-9.
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Affiliation(s)
- Gang Ma
- Deptment of Cardiac Surgury, Zibo Central Hospital, Zibo, 255036, Shandong, People's Republic of China
| | - Shuting Bi
- Deptment of Cardiac Surgury, Zibo Central Hospital, Zibo, 255036, Shandong, People's Republic of China
| | - Pengfei Zhang
- Department of Cardiac Surgery, Central Hospital Affiliated to Shandong First Medical University, No.105, Jiefang Road, Jinan, 250013, Shandong, People's Republic of China. .,Department of Cardiac Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong, People's Republic of China.
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12
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Zhu X, Li S, Huang C, Huang G, Xu J. LncRNA CRNDE inhibits cardiomyocytes apoptosis by YAP1 in myocardial ischaemia/reperfusion injury. Autoimmunity 2021; 54:204-212. [PMID: 33988471 DOI: 10.1080/08916934.2021.1913580] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Cardiomyocytes apoptosis is the basic pathological process of myocardial ischaemia/reperfusion (MI/R) injury, so inhibiting apoptosis of cardiomyocytes can effectively improve MI/R injury. Long non-coding RNA colorectal neoplasia differentially expressed (lncRNA CRNDE) can inhibit cell apoptosis, but its specific role in MI/R injury has not been studied. The aim of this study is to explore the specific effect of lncRNA CRNDE on cardiomyocytes apoptosis. METHODS MI/R model in vivo and hypoxia/re-oxygenation (H/R) model in vitro were constructed. Apoptotic levels were assessed by TUNEL staining assay. QRT-PCR was used to validate lncRNA CRNDE level in myocardial tissues and HL-1 cells. The protein expressions of YAP1, Bcl-2 and cleaved caspase-3 were detected by western blot analysis. Flow cytometry was used to determine the apoptosis rate of cardiomyocytes. RIP assay was used to detect the interaction between lncRNA CRNDE and YAP1. RESULTS The extent of cardiomyocytes apoptosis was significantly increased, and the levels of lncRNA CRNDE, YAP1 and Bcl-2 were down-regulated, while cleaved caspase-3 expression was up-regulated in MI/R mice and H/R-treated HL-1 cells. The expressions of YAP1 and Bcl-2 were decreased, while the expression of cleaved caspase-3 was increased after the knockdown of lncRNA CRNDE. Furthermore, lncRNA CRNDE could bind to YAP1 and regulated the protein level of YAP1 by ubiquitination and proteasomal degradation pathway. After transfection of Si-YAP1 in the H/R-treated HL-1 cells transfected with pc-DNA CRNDE, the protein level of Bcl-2 was decreased, while cleaved caspase-3 expression and the apoptosis rate were increased. CONCLUSION Our study suggested that lncRNA CRNDE could regulate YAP1 level by ubiquitination and proteasomal degradation pathway, thus inhibiting cardiomyocytes apoptosis in MI/R injury.
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Affiliation(s)
- Xiaohua Zhu
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuiqi Li
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Chen Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Gongcheng Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jing Xu
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Long Non-Coding RNA CRNDE Is Involved in Resistance to EGFR Tyrosine Kinase Inhibitor in EGFR-Mutant Lung Cancer via eIF4A3/MUC1/EGFR Signaling. Int J Mol Sci 2021; 22:ijms22084005. [PMID: 33924522 PMCID: PMC8070547 DOI: 10.3390/ijms22084005] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/02/2021] [Accepted: 04/09/2021] [Indexed: 12/30/2022] Open
Abstract
(1) Background: Acquired resistance to epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) is an intractable problem for many clinical oncologists. The mechanisms of resistance to EGFR-TKIs are complex. Long non-coding RNAs (lncRNAs) may play an important role in cancer development and metastasis. However, the biological process between lncRNAs and drug resistance to EGFR-mutated lung cancer remains largely unknown. (2) Methods: Osimertinib- and afatinib-resistant EGFR-mutated lung cancer cells were established using a stepwise method. A microarray analysis of non-coding and coding RNAs was performed using parental and resistant EGFR-mutant non-small cell lung cancer (NSCLC) cells and evaluated by bioinformatics analysis through medical-industrial collaboration. (3) Results: Colorectal neoplasia differentially expressed (CRNDE) and DiGeorge syndrome critical region gene 5 (DGCR5) lncRNAs were highly expressed in EGFR-TKI-resistant cells by microarray analysis. RNA-protein binding analysis revealed eukaryotic translation initiation factor 4A3 (eIF4A3) bound in an overlapping manner to CRNDE and DGCR5. The CRNDE downregulates the expression of eIF4A3, mucin 1 (MUC1), and phospho-EGFR. Inhibition of CRNDE activated the eIF4A3/MUC1/EGFR signaling pathway and apoptotic activity, and restored sensitivity to EGFR-TKIs. (4) Conclusions: The results showed that CRNDE is associated with the development of resistance to EGFR-TKIs. CRNDE may be a novel therapeutic target to conquer EGFR-mutant NSCLC.
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Chen Y, Hou C, Zhao LX, Cai QC, Zhang Y, Li DL, Tang Y, Liu HY, Liu YY, Zhang YY, Yang YK, Gao CW, Yao Q, Zhu QS, Cao CH. The Association of microRNA-34a With High Incidence and Metastasis of Lung Cancer in Gejiu and Xuanwei Yunnan. Front Oncol 2021; 11:619346. [PMID: 33796457 PMCID: PMC8008071 DOI: 10.3389/fonc.2021.619346] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/19/2021] [Indexed: 01/22/2023] Open
Abstract
The incidence and associated mortality of lung cancer in tin miners in Gejiu County and farmers in Xuanwei Country, Yunnan Province have been very high in the world. Current published literatures on the molecular mechanisms of lung cancer initiation and progression in Gejiu and Xuanwei County are still controversial. Studies confirmed that microRNA-34a (miR-34a) functioned as a vital tumor suppressor in tumorigenesis and progression. However, the role and precise mechanisms of miR-34a and its regulatory gene network in initiation and progression of lung cancer in Gejiu and Xuanwei County, Yunnan Province, have not been elucidated. In the current study, we first found that miR-34a was downregulated in Gejiu lung squamous carcinoma YTMLC-90, Xuanwei lung adenocarcinoma XWLC-05, and other non-small cell lung carcinoma (NSCLC) cell lines, and miR-34a overexpression inhibited cell proliferation, migration and invasion, as well as induced cell apoptosis in YTMLC-90 and XWLC-05 cells. Our findings revealed that miR-34a is critical and cannot be considered as the area-specific non-coding RNA in initiation and progression of lung cancer in Gejiu and Xuanwei County. Next we revealed that miR-34a overexpression suppressed lung cancer growth and metastasis partially via increasing PTEN but reducing CDK6 expression that might lead to subsequent inactivation of PI3K/AKT pathway. Furthermore, our findings demonstrated that YY1 functioned as a tumor suppressor gene in initiation and progression of lung cancer in Gejiu and Xuanwei County. In conclusion, our findings in the study confirmed that miR-34a overexpression could simultaneously suppress tumor growth and metastasis and play a vital role in tumorigenesis and progression of NSCLC via increasing PTEN and YY1 expression, but decreasing CDK6. Most interestingly, our findings also raised doubts about the current ideas about these area-specific diseases.
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Affiliation(s)
- Yan Chen
- School of Life Sciences, Yunnan University, Kunming, China.,Yunnan Cancer Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Chun Hou
- School of Life Sciences, Yunnan University, Kunming, China
| | - Liu-Xin Zhao
- School of Life Sciences, Yunnan University, Kunming, China
| | - Qiu-Chen Cai
- School of Life Sciences, Yunnan University, Kunming, China.,Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming, China
| | - Ying Zhang
- School of Life Sciences, Yunnan University, Kunming, China
| | - Da-Lun Li
- School of Life Sciences, Yunnan University, Kunming, China
| | - Yao Tang
- School of Life Sciences, Yunnan University, Kunming, China
| | - Hong-Yu Liu
- School of Life Sciences, Yunnan University, Kunming, China
| | - Yun-Yi Liu
- School of Life Sciences, Yunnan University, Kunming, China
| | - Yue-Yan Zhang
- School of Life Sciences, Yunnan University, Kunming, China
| | - Ya-Kun Yang
- School of Life Sciences, Yunnan University, Kunming, China
| | - Cheng-Wei Gao
- School of Chemical Science and Technology, Yunnan University, Kunming, China
| | - Qian Yao
- Yunnan Cancer Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Qi-Shun Zhu
- School of Life Sciences, Yunnan University, Kunming, China.,Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming, China
| | - Chuan-Hai Cao
- Taneja College of Pharmacy, University of South Florida, Tampa, FL, United States
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15
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Yu Y, Wang L, Li Z, Zheng Y, Shi Z, Wang G. Long noncoding RNA CRNDE functions as a diagnostic and prognostic biomarker in osteosarcoma, as well as promotes its progression via inhibition of miR-335-3p. J Biochem Mol Toxicol 2021; 35:e22734. [PMID: 33522065 DOI: 10.1002/jbt.22734] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/28/2020] [Accepted: 01/20/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND This study was performed to evaluate the diagnostic and prognostic value, as well as the role of long-chain noncoding RNA (lncRNA) colorectal neoplasia differentially expressed (CRNDE) in osteosarcoma (OS). MATERIALS AND METHODS A quantitative real-time polymerase chain reaction assay was to determine lncRNA CRNDE and microRNA-335-3p (miR-335-3p) expressions. The Kaplan-Meier analysis was to analyze the relationship between lncRNA CRNDE expression and survival in patients with OS. Receiver operating characteristic curves were to evaluate the diagnostic value of lncRNA CRNDE in OS. Bioinformatics analysis and luciferase reporter assays were used to predict and confirm the relationship between lncRNA CRNDE and miR-335-3p. Cell counting Kit-8 and transwell migration assays assessed the role of lncRNA CRNDE and miR-335-3p in OS cells. RESULTS lncRNA CRNDE expression was upregulated and miR-355-3p expression was downregulated in OS. In patients with OS, low lncRNA CRNDE expression demonstrated higher overall survival, whereas high lncRNA CRNDE expression was an independent poor prognostic factor. Furthermore, increased lncRNA CRNDE expression was associated with distant metastasis and the tumor-node-metastasis stage in patients with OS, which can be considered as an independent diagnostic biomarker in OS. We revealed that miR-335-3p was the target of lncRNA CRNDE. It also demonstrated that knockdown of lncRNA CRNDE inhibited OS cell proliferation, migration, and invasion, and inhibition of miR-355-3p promoted this effect. Finally, miR-335-3p partially mediated the stimulatory effects of lncRNA CRNDE in OS. CONCLUSION We demonstrated that lncRNA CRNDE is a potential diagnostic and prognostic biomarker for OS, and the lncRNA CRNDE/miR-335-3p axis participates in OS progression.
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Affiliation(s)
| | - Leiming Wang
- Department of Laboratory, Zhengzhou Orthopedic Hospital, Zhengzhou, China
| | - Zijun Li
- Department of Laboratory, Zhengzhou Orthopedic Hospital, Zhengzhou, China
| | - Yan Zheng
- Department of Laboratory, Zhengzhou Orthopedic Hospital, Zhengzhou, China
| | - Zhisong Shi
- Department of Orthopedic Surgery, Zhumadian Central Hospital, Zhumadian, China
| | - Guanghui Wang
- Department of Orthopedic Surgery, Zhumadian Central Hospital, Zhumadian, China
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Ren L, Yang S, Cao Q, Tian J. CRNDE Contributes Cervical Cancer Progression by Regulating miR-4262/ZEB1 Axis. Onco Targets Ther 2021; 14:355-366. [PMID: 33469312 PMCID: PMC7812045 DOI: 10.2147/ott.s263505] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/23/2020] [Indexed: 02/05/2023] Open
Abstract
Background Cervical cancer is a lethal gynecologic cancer in women. Long non-coding RNA colorectal neoplasia differentially expressed (LncRNA CRNDE) was recognized as a significant oncogene in multiple cancers. However, the functional role of CRNDE in cervical cancer remains poorly explored. Methods The expression of CRNDE, microRNA-4262 (miR-4262) and zinc-finger E-box binding homeobox 1 (ZEB1) in cervical cancer tumors and cells was detected by quantitative real-time polymerase chain reaction (qRT-PCR). Colony formation and 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) were performed to detect cell viability. Flow cytometry and caspase-3 activity assay were conducted to evaluate cell apoptosis. The interaction between miR-4262 and CRNDE or ZEB1 was verified by dual-luciferase reporter system. Transwell assay was employed to evaluate cell migration and invasion. The relative protein expression was assessed by Western blot. Results CRNDE and ZEB1 were up-regulated, while miR-4262 was down-regulated in cervical cancer tissues and cells. We found that CRNDE sponged miR-4262 and ZEB1 was a target of miR-4262. In addition, miR-4262 inhibitor abolished CRNDE silencing-induced repression on cell proliferation, EMT, migration, invasion and promotion on cell apoptosis. Furthermore, ZEB1 rescued the effects of miR-4262 overexpression or CRNDE deletion on cervical cancer progression. Our data showed that CRNDE targeted miR-4262 to regulate ZEB1 expression in cervical cancer cells. Besides, CRNDE expedited cervical cancer progression through wnt/β-catenin pathway via sponging miR-4262 and altering ZEB1 expression. Conclusion Our findings demonstrated that CRNDE facilitated the progression of cervical cancer through activation of wnt/β-catenin pathway by regulating miR-4262/ZEB1 axis, representing a prospective targeted therapy for cervical cancer.
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Affiliation(s)
- Lu Ren
- Department of Obstetrics and Gynecology, Huaihe Hospital of Henan University, Kaifeng, 475001 Henan, People's Republic of China
| | - Shaoqin Yang
- Department of Obstetrics and Gynecology, Huaihe Hospital of Henan University, Kaifeng, 475001 Henan, People's Republic of China
| | - Qinxue Cao
- Department of Obstetrics and Gynecology, Huaihe Hospital of Henan University, Kaifeng, 475001 Henan, People's Republic of China
| | - Jun Tian
- Department of Obstetrics and Gynecology, Huaihe Hospital of Henan University, Kaifeng, 475001 Henan, People's Republic of China
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17
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Ye H, Xu G, Zhang D, Wang R. The protective effects of the miR-129-5p/keap-1/Nrf2 axis on Ang II-induced cardiomyocyte hypertrophy. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:154. [PMID: 33569456 PMCID: PMC7867905 DOI: 10.21037/atm-20-8079] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background Cardiac hypertrophy is a common pathological process in many cardiac diseases, and persistent cardiac hypertrophy is the main cause of heart failure and sudden cardiogenic death. Thus, it is essential to elucidate the mechanism of cardiac hypertrophy to ensure better prevention and treatment. Methods The Human cardiac myocytes (HCMs) were incubated with 100 nmol/L Ang II (Sigma) for 48 hours to induce the in vitro cardiomyocyte hypertrophy model. The [(3H])-leucine incorporation assay was used to evaluate cardiomyocytes hypertrophy. The activities of oxidative stress related enzymes superoxide dismutase (SOD), catalase (CAT), malondialdehyde (MDA) and nitric oxide (NO) were detected using corresponding detection kits following standard protocol. Targeting relationship was verified through Bioinformatics analysis and luciferase reporter gene assay. The morphological change of cardiomyocyte was observed through immunofluorescence staining. Expressions of message ribonucleic acid (mRNA) and proteins were detected by quantitative real-time polymerase chain reaction and western blot, respectively. Results In our study, the suppressed expression of micro ribonucleic acid (miRNA)-129-5p and the elevated expression of kelch-like ECH-associated protein 1 (keap-1) were found in the angiotensin II (Ang II)-induced cardiomyocyte hypertrophy model. MiR-129-5p effectively mimics suppressed Ang II-induced hypertrophic responses and oxidative stress. The results also showed that keap-1 was a target of miR-129-5p, and that the miR-129-5p inhibitor promoted cardiomyocyte hypertrophy and oxidative stress by elevating keap-1. Additionally, small interfering RNA (siRNA)-keap-1 activated the nuclear factor erythroid2-related factor 2 (Nrf2) pathway, while the miR-129-5p inhibitor inactivated the Nrf2 pathway by further elevating keap-1. The addition of the Nrf2 pathway activator NK-252 largely weakened the promoting effects of the miR-129-5p inhibitor on the progression of cardiomyocyte hypertrophy by suppressing oxidative stress. Conclusions In general, the results indicate that the overexpression of miRNA-129-5p protects against cardiomyocyte hypertrophy by targeting keap-1 via the Nrf2 pathway.
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Affiliation(s)
- Huiming Ye
- Department of Cardiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Guiyu Xu
- Department of Cardiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Dexian Zhang
- Department of Cardiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Rupeng Wang
- Department of Cardiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
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Zhang Y, Lan X, Wang Y, Liu C, Cui T. CRNDE mediates the viability and epithelial-mesenchymal transition of renal cell carcinoma via miR-136-5p. J Recept Signal Transduct Res 2020; 41:234-244. [PMID: 32808846 DOI: 10.1080/10799893.2020.1805629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Long non-coding RNAs (lncRNAs) regulate epithelial-mesenchymal transition (EMT) and the mutual adhesion and development of renal cell carcinoma (RCC). The underlying molecular mechanism of EMT and RCC cells in the treatment of RCC was less reported. In this study, the related functional lncRNA and miRNA in RCC tissues were predicted by bioinformatics analysis and verified by quantitative real-time PCR (qRT-PCR). The RNA interference technology was applied to measure the effects of the predicted lncRNAs and miRNAs on RCC cells. The expressions of EMT-related mRNAs and proteins were determined using qRT-PCR and Western-blot experiments. CRNDE was overexpressed and miR-136-5p was low-expressed in RCC. Upregulation of CRNDE could promote the viability, migration, invasion of RCC, while downregulation of CRNDE produced the opposite effects. Both the upregulation and downregulation of CRNDE alternated the protein expressions related to EMT, while miR-136-5p resulted in the opposite effects on CRNDE. Moreover, the promotive effect of overexpressed CRNDE on RCC cells could be blocked by miR-136-5p mimic. CRNDE can mediate miR-136-5p, promote the development of EMT and RCC cells, showing the potential to serve as a novel biomarker and therapeutic target in RCC treatment.
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Affiliation(s)
- Yanhui Zhang
- Department of Urology, Qingdao Central Hospital, Qingdao, China
| | - Xiaopeng Lan
- Department of Urology, Qingdao Central Hospital, Qingdao, China
| | - Yizhen Wang
- Department of Urology, Qingdao Central Hospital, Qingdao, China
| | - Chunlei Liu
- Department of Urology, Qingdao Central Hospital, Qingdao, China
| | - Tao Cui
- Department of Urology, Qingdao Central Hospital, Qingdao, China
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19
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Circular RNA CDR1as Exerts Oncogenic Properties Partially through Regulating MicroRNA 641 in Cholangiocarcinoma. Mol Cell Biol 2020; 40:MCB.00042-20. [PMID: 32423991 DOI: 10.1128/mcb.00042-20] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 05/06/2020] [Indexed: 12/11/2022] Open
Abstract
It has been found that the circular RNA (circRNA) CDR1as is upregulated in cholangiocarcinoma (CCA) tissues. In this study, we tried to explore the roles of CDR1as in CCA. CDR1as was overexpressed or knocked down in human CCA cells to assess the effects of CDR1as on cell behaviors and tumor xenograft growth. In vitro, the CDR1as level was significantly increased in CCA cell lines. The results showed that CDR1as promoted the cell proliferation, migration, invasion, and activation of the AKT3/mTOR pathway in CCA cells. Moreover, miR-641, a predicted target microRNA (miRNA) of CDR1as, could partially reverse the effects of CDR1as on cell behaviors in CCA cells. Furthermore, CDR1as improved tumor xenograft growth, and it could be attenuated by miR-641 in vivo Additionally, CDR1as expression was inversely correlated with miR-641 in CCA cells, and miR-641 could directly bind with CDR1as and its target genes, the AKT3 and mTOR genes. Mechanistically, CDR1as could bind with miR-641 and accelerate miR-641 degradation, which possibly leads to the upregulation of the relative mRNA levels of AKT3 and mTOR in RBE cells. In conclusion, our findings indicated that CDR1as might exert oncogenic properties, at least partially, by regulating miR-641 in CCA. CDR1as and miR-641 could be considered therapeutic targets for CCA.
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20
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Zhao Y, Zheng R, Chen J, Ning D. CircRNA CDR1as/miR-641/HOXA9 pathway regulated stemness contributes to cisplatin resistance in non-small cell lung cancer (NSCLC). Cancer Cell Int 2020; 20:289. [PMID: 32655321 PMCID: PMC7339514 DOI: 10.1186/s12935-020-01390-w] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 06/29/2020] [Indexed: 02/04/2023] Open
Abstract
Background Cisplatin (DDP) is the first-line chemotherapeutic drug for non-small cell lung cancer (NSCLC), and long-term DDP stimulation increased resistance of NSCLC cells to this drug by enriching cancer stem cells (CSCs), which contributed to recurrence and worse prognosis of NSCLC, but the molecular mechanisms are still not fully delineated. Methods Real-Time qPCR and Western Blot analysis were conducted to examine gene expressions at mRNA and protein levels, respectively. Dual-luciferase reporter gene system was used to validate the targeting sites among circRNA CDR1as, miR-641 and HOXA9 mRNA. Cell growth was evaluated by CCK-8 assay, trypan blue staining assay and colony formation assay. The Annexin V-FITC/PI double staining method was employed to measure cell apoptosis ratio. Spheroid formation and flow cytometer assay was used to evaluate cell stemness. Xenograft mice models were established to measure tumorgenicity in vivo, and Ki67 expressions in mice tumor tissues were examined by immunohistochemistry (IHC). Results Here we identified a novel circRNA CDR1as/miR-641/Homeobox protein Hox-A9 (HOXA9) pathway regulated stemness and DDP chemoresistance in NSCLC. Mechanistically, circRNA CDR1as and HOXA9 were high-expressed, while miR-641 was low-expressed in DDP-resistant NSCLC cells, instead of their corresponding parental DDP-sensitive NSCLC cells. Additionally, we validated that circRNA CDR1as positively regulated HOXA9 in NSCLC cells by serving as an RNA sponge for miR-641, and knock-down of circRNA CDR1as increased the sensitivity of DDP-resistant NSCLC cells, which were reversed by downregulating miR-641 and upregulating HOXA9. Consistently, overexpression of circRNA CDR1as increased drug resistance of DDP-sensitive NSCLC cells by regulating miR-641/HOXA9 axis. In addition, the expression levels of stemness signatures (SOX2, OCT4 and Nanog) were higher in DDP-resistant NSCLC cells, which also tended to form spheres and enrich CD44+CD166+ population compared to their parental DDP-sensitive NSCLC cells, suggesting that CSCs were enriched in DDP-resistant NSCLC cells. Notably, knock-down of circRNA CDR1as inhibited stemness of DDP-resistant NSCLC cells by inhibiting HOXA9 through upregulating miR-641. Conclusions Taken together, this study identified that circRNA CDR1as regulated stemness and DDP chemoresistance in NSCLC cells by targeting miR-641/HOXA9 axis.
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Affiliation(s)
- Yongsheng Zhao
- Department of Thoracic Surgery, Affiliated Hospital of North Sichuan Medical College, Maoyuan South Road, No. 1, Nanchong, 637000 Sichuan China
| | - Renyan Zheng
- Department of Anorectal Medicine, Affiliated Hospital of North Sichuan Medical College, Maoyuan South Road, No. 1, Nanchong, 637000 Sichuan China
| | - Jian Chen
- Department of Thoracic Surgery, Affiliated Hospital of North Sichuan Medical College, Maoyuan South Road, No. 1, Nanchong, 637000 Sichuan China
| | - Dong Ning
- Department of Thoracic Surgery, Affiliated Hospital of North Sichuan Medical College, Maoyuan South Road, No. 1, Nanchong, 637000 Sichuan China
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Chen L, Li X, Lu C, Zhao Y, Zhu J, Yang L. The long non‑coding RNA CASC7 inhibits growth and invasion of non‑small cell lung cancer cells through phosphatase and tensin homolog upregulation via sequestration of miR‑92a. Int J Oncol 2020; 57:466-477. [PMID: 32626930 PMCID: PMC7307594 DOI: 10.3892/ijo.2020.5076] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 04/16/2020] [Indexed: 02/07/2023] Open
Abstract
Accumulating evidence has demonstrated the crucial roles of long non-coding RNAs (lncRNAs) in various human cancers, including non-small cell lung cancer (NSCLC). However, to the best of our knowledge, the role of the lncRNA cancer susceptibility candidate 7 (CASC7) in NSCLC has not been clearly determined. The aim of the present study was to investigate the involvement of CASC7 in NSCLC. Marked downregulation of CASC7 was observed in NSCLC tissues and cell lines, and this downregulation of CASC7 was closely associated with distant metastasis, lymph node involvement and poor overall survival in NSCLC patients. Furthermore, overexpression of CASC7 significantly suppressed the proliferation, invasion and migration of the NSCLC cells A549 and H358, and promoted cell apoptosis in vitro. In addition, CASC7 was shown to act as a competing endogenous RNA by sponging miR-92a, which was proven to be an oncogenic miRNA in our previous study. The expression of miR-92a was upregulated in NSCLC tissues and cell lines, and was found to be inversely associated with CASC7 expression in NSCLC tissues. It was also demonstrated that CASC7 upregulated the expression of the tumor suppressor gene phosphatase and tensin homolog (a well-known target of miR-92a) by sequestration of miR-92a. Moreover, the tumor-suppressive effects of CASC7 were partly reversed by miR-92a overexpression in NSCLC cells. Collectively, the results of the present study indicated that CASC7 may act as a tumor-suppressive lncRNA that inhibits NSCLC progression by sponging miR-92a. These findings may improve our understanding of the potential mechanisms through which gain of CASC7 expression represses NSCLC progression.
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Affiliation(s)
- Ling Chen
- Department of Thoracic Surgery, Changhai Hospital, Shanghai 200433, P.R. China
| | - Xin Li
- Department of Thoracic Surgery, Changhai Hospital, Shanghai 200433, P.R. China
| | - Chaojing Lu
- Department of Thoracic Surgery, Changhai Hospital, Shanghai 200433, P.R. China
| | - Yue Zhao
- Department of Thoracic Surgery, Changhai Hospital, Shanghai 200433, P.R. China
| | - Ji Zhu
- Department of Thoracic Surgery, Changhai Hospital, Shanghai 200433, P.R. China
| | - Lixin Yang
- Department of Thoracic Surgery, Changhai Hospital, Shanghai 200433, P.R. China
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Sun X, Wang T, Wang Y, Ai K, Pan G, Li Y, Zhou C, He S, Cong H. Downregulation of lncRNA-11496 in the Brain Contributes to Microglia Apoptosis via Regulation of Mef2c in Chronic T. gondii Infection Mice. Front Mol Neurosci 2020; 13:77. [PMID: 32499679 PMCID: PMC7243434 DOI: 10.3389/fnmol.2020.00077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 04/20/2020] [Indexed: 01/02/2023] Open
Abstract
Though it is well known that chronic infections of Toxoplasma gondii (T. gondii) can induce mental and behavioral disorders in the host, little is known about the role of long non-coding RNAs (lncRNAs) in this pathological process. In this study, we employed an advanced lncRNAs and mRNAs integration chip (Affymetrix HTA 2.0) to detect the expression of both lncRNAs and mRNAs in T. gondii Chinese 1 strain infected mouse brain. As a result, for the first time, the downregulation of lncRNA-11496 (NONMMUGO11496) was identified as the responsible factor for this pathological process. We showed that dysregulation of lncRNA-11496 affected proliferation, differentiation and apoptosis of mouse microglia. Furthermore, we proved that Mef2c (Myocyte-specific enhancer factor 2C), a member of the MEF2 subfamily, is the target gene of lncRNA-11496. In a more detailed study, we confirmed that lncRNA-11496 positively regulated the expression of Mef2c by binding to histone deacetylase 2 (HDAC2). Importantly, Mef2c itself could coordinate neuronal differentiation, survival, as well as synapse formation. Thus, our current study provides the first evidence in terms of the modulatory action of lncRNAs in chronic toxoplasmosis in T. gondii infected mouse brain, providing a solid scientific basis for using lncRNA-11496 as a therapeutic target to treat T. gondii induced neurological disorder.
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Affiliation(s)
- Xiahui Sun
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Ting Wang
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yongliang Wang
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Kang Ai
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Ge Pan
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yan Li
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chunxue Zhou
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shenyi He
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Hua Cong
- Department of Pathogenic Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
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FOXM1-Activated LINC01094 Promotes Clear Cell Renal Cell Carcinoma Development via MicroRNA 224-5p/CHSY1. Mol Cell Biol 2020; 40:MCB.00357-19. [PMID: 31767633 DOI: 10.1128/mcb.00357-19] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 11/16/2019] [Indexed: 12/14/2022] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is regarded as the most aggressive subtype of RCC, with high rates of metastasis and recurrence. An extensive body of studies had proved long noncoding RNAs (lncRNAs) play pivotal parts in the development and evolution of diverse malignant tumors. However, the potential of LINC01094 in ccRCC tumorigenesis is still unexplored. In the present research, with the aid of the TCGA database, we found that LINC01094 was highly expressed in ccRCC tissues. Upregulation of LINC01094 was also confirmed in ccRCC cell lines, and functional experiments delineated that LINC01094 knockdown led to inhibition on ccRCC cell growth and metastasis. Moreover, LINC01094 was activated by FOXM1 at the transcriptional level. Further assay demonstrated that LINC01094 worked as a sponge of microRNA 224-5p (miR-224-5p) and CHSY1 was a miR-224-5p-targeted mRNA. Further, we verified that LINC01094 acted as a competing endogenous RNA in ccRCC to regulate CHSY1 expression via competitively bind to miR-224-5p. Lastly, our results expounded that LINC01094 exerted its tumor-promoting performance in ccRCC development through miR-224-5p/CHSY1 regulatory axis, which shed light on the molecular mechanism underlying LINC01094 in ccRCC and opened a new prospective for the treatment of ccRCC.
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Wang Z, Zhang Q, Sun Y, Shao F. Long Non-Coding RNA PVT1 Regulates BAMBI To Promote Tumor Progression In Non-Small Cell Lung Cancer By Sponging miR-17-5p. Onco Targets Ther 2020; 13:131-142. [PMID: 32021261 PMCID: PMC6954835 DOI: 10.2147/ott.s217335] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 09/14/2019] [Indexed: 12/26/2022] Open
Abstract
Background Non-small cell lung cancer (NSCLC) is a common malignancy over the world. Previous report indicated that the plasmacytoma variant translocation 1 (PVT1) has been documented to function as an oncogene in various types of human cancers. However, the biological mechanism of PVT1 was still rarely reported in NSCLC. Methods The levels of PVT1, miR-17-5p, and bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI) in NSCLC tissues (n=64) and cells (H1299 and A549) were detected by qRT-PCR and immunohistochemistry (IHC). The protein level of BAMBI was measured by Western blot assay. Cell viability and apoptotic rate were evaluated by MTT assay and flow cytometry, respectively. The migrated and invaded abilities were assessed by Transwell assay and Wound healing assay. The interactions between miR-17-5p and PVT1 or BAMBI were predicted by starBase v2.0 and TargetScan, respectively, and then dual-luciferase reporter assay and RNA pull-down assay were performed to verify these interactions. The mice model experiments were constructed to further validate the roles of PVT1 in vivo. Results The levels of PVT1 and BAMBI were both apparently increased, and miR-17-5p was declined in NSCLC tissues and cells. The depletion of PVT1 or BAMBI blocked cell viability, migrated and invaded abilities but impelled apoptotic rate in A549 and H1299 cells. PVT1 was validated as a sponge to miR-17-5p and BAMBI was a direct target of miR-17-5p. PVT1 promoted cell viability, migrated and invaded abilities but repressed apoptotic rate by targeting BAMBI. MiR-17-5p regulated cell behaviors mediated by PVT1. PVT1 silencing decreased BAMBI expression by sponging miR-17-5p. In addition, PVT1 knockdown blocked the xenograft tumor growth in vivo. Conclusion These results manifested that PVT1 modulated BAMBI to promote tumor progression in NSCLC by sponging miR-17-5p. Thus, the novel regulatory pathway may provide a new therapeutic target for NSCLC patients.
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Affiliation(s)
- Zhao Wang
- Department of Thoracic Surgery, The Nanjing Chest Hospital, Nanjing, Jiangsu, People's Republic of China
| | - Qiang Zhang
- Department of Thoracic Surgery, The Nanjing Chest Hospital, Nanjing, Jiangsu, People's Republic of China
| | - Yungang Sun
- Department of Thoracic Surgery, The Nanjing Chest Hospital, Nanjing, Jiangsu, People's Republic of China
| | - Feng Shao
- Department of Thoracic Surgery, The Nanjing Chest Hospital, Nanjing, Jiangsu, People's Republic of China
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Wang J, Song J, Li Y, Shao J, Xie Z, Sun K. Down-regulation of LncRNA CRNDE aggravates kidney injury via increasing MiR-181a-5p in sepsis. Int Immunopharmacol 2019; 79:105933. [PMID: 31877497 DOI: 10.1016/j.intimp.2019.105933] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/01/2019] [Accepted: 09/23/2019] [Indexed: 01/10/2023]
Abstract
Long non-coding RNA (lncRNA) colorectal neoplasia differentially expressed (CRNDE) is reported to be linked to inflammation and cell apoptosis. However its role in sepsis induced kidney injury remains unclear. This study aims to explore the possible mechanism of CRNDE in kidney injury induced by sepsis. In vivo urine-derived sepsis (US) rat model and in vitro LPS-induced HK-2 and HEK293 cells were established. Kidney function was measured in rats from different groups. Relative levels of tumor necrosis factor-α (TNF-α) and interleukin-1β(IL-1β) in kidney tissue were detected via Enzyme-linked immune sorbent assay (ELISA). Then we up- or down-regulated CRNDE and miRNA-181a-5p expression in the cells. The biological influence of CRNDE and miR-181a-5p on cells was studied using CCK-8 assay and Annexin V assay. Interaction between CRNDE and miR-181a-5p was determined by bioinformatics analysis, RT-PCR, and dual luciferase reporter assay. Peroxisome proliferator-activated receptor-α (PPARα) and cell apoptosis related molecules were detected by western blot. We demonstrated that CRNDE was markedly down-regulated while miR-181a-5p was significantly up-regulated in sepsis models. CRNDE interacted with miR-181a-5p, and negatively regulated its expression level. CRNDE knockdown in rats increased the urea nitrogen and serum creatinine in plasma. Knockdown of CRNDE or transfection of miR-181a-5p significantly inhibited proliferation and promoted apoptosis of HK-2 and HEK293 cells, while overexpression of CRNDE and transfection of miR-181a-5p inhibitors had opposite effects. For mechanism, miR-181a-5p directly targeted the 3' untranslated region of PPARα, and depressed its protein level, and PPARα was regulated indirectly by CRNDE. We concluded that CRNDE protected renal cell from sepsis-induced injury via miR-181a-5p/PPARα pathway.
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Affiliation(s)
- Jiqin Wang
- Emergency Department, Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Jianfeng Song
- Emergency Department, Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Yanyan Li
- Emergency Department, Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Jinyan Shao
- Emergency Department, Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Zichen Xie
- Emergency Department, Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Keyu Sun
- Emergency Department, Minhang Hospital, Fudan University, Shanghai 201199, China.
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Li J, Sun S, Chen W, Yuan K. Small Nucleolar RNA Host Gene 12 (SNHG12) Promotes Proliferation and Invasion of Laryngeal Cancer Cells via Sponging miR-129-5p and Potentiating WW Domain-Containing E3 Ubiquitin Protein Ligase 1 (WWP1) Expression. Med Sci Monit 2019; 25:5552-5560. [PMID: 31348766 PMCID: PMC6681687 DOI: 10.12659/msm.917088] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Background The clinical significance and biological function of long noncoding RNA SNHG12 have not been identified in laryngeal squamous cell carcinoma (LSCC). Material/Methods Expression levels of SNHG12, miR-129-5p, and WWP1 in LSCC tissues or cells were tested by RT-qPCR. MTT assay, flow cytometry, and Transwell assay were used to identify the progression of LSCC cells in vitro. Luciferase reporter assay was used to assess the associations among SNHG12, WWP1, and miR-129-5p. Results SNHG12 was significantly overexpressed in LSCC tissues compared with adjacent normal tissues. The expression level of SNHG12 was significantly associated with T classification, lymph node metastasis, and cancer stage of LSCC. High expression of SNHG12 predicted shorter disease-free survival. Suppressing SNHG12 using siRNA inhibited proliferation and invasion and promoted apoptosis in the AMC-HN-8 LSCC cell line. SNHG12, mainly located in cytoplasm of AMC-HN-8 cells, was validated by dual luciferase reporter test and RT-qPCR to directly interact with miR-129-5p. Inhibition of miR-129-5p significantly increased proliferation and invasion of AMC-HN-8 cells and ameliorated the suppressive effects of si-SNHG12. Luciferase assay showed that miR-129-5p was able to combine with the 3′UTR region of WWP1, which is generally regarded as an E3 ubiquitin protein ligase. RT-qPCR and Western blot showed that WWP1 was positively regulated by SNHG12 and negatively regulated by miR-129-5p at the mRNA level and protein level. Overexpression of WWP1 significantly increased proliferation and invasion of laryngeal cancer cells. Moreover, when SNHG12 was suppressed, rescue of WWP1 restored the proliferation and invasion abilities of AMC-HN-8 cells. Conclusions Our study demonstrated that SNHG12 promoted LSCC cells progression via sponging miR-129-5p and potentiating WWP1 expression.
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Affiliation(s)
- Jing Li
- Department of Otolaryngology-Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Suguang Sun
- Department of Otolaryngology-Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Wei Chen
- Department of Otolaryngology-Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Kun Yuan
- Department of Otolaryngology-Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
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