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Mohamed AH, Patel AA, Abdulmonem WA, Muzammil K, Shafie A, Ashour AA, Mirdad TMAM, Mallick AK, Alsaiari AA, Almalki AA. The role of miR-765 in human cancers. Int Immunopharmacol 2024; 139:112779. [PMID: 39068750 DOI: 10.1016/j.intimp.2024.112779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/18/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
MicroRNAs, a collection of short noncoding RNAs, are promising biomarkers for identifying cancer in its early stages and tracking the effectiveness of treatment. This is due to their critical role in regulating gene expression and other vital biological functions via cell-level epigenetic mechanisms. This review brings together data on the molecular and clinical effects of miR-765 on different types of cancer. Significant variation in miR-765 levels has been observed in a variety of cancer types, suggesting that it could have an oncogene or tumor suppressor role. A number of pathways, including PLP2/Notch, VEGFA/Akt1, PDX1, KLK4, RUNX2, DPF3, EMP3, APE1, ERK/EMT axis, and others, are impacted by the inclusion of miR-765 in their analysis. MiR-765 is an essential biomarker that shows promise as a diagnostic tool for various types of cancer. The latest research has identified them as reliable predictive markers for detecting tumor development at an early stage. Based on our study, miR-765 shows promising potential as a biomarker for prognosis in multiple types of cancer. Specifically, we suggest that miR-765 could be an early detection marker for tumor development, progression, and metastasis.
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Affiliation(s)
- Asma'a H Mohamed
- Biomedical Engineering Department, College of Engineering and Technologies, Al-Mustaqbal University, Babil 51001, Hilla, Iraq.
| | - Ayyub Ali Patel
- Department of Clinical Biochemistry, College of Medicine, King Khalid University, Abha, Saudi Arabia
| | - Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Khursheed Muzammil
- Department of Public Health, College of Applied Medical Sciences, Khamis Mushait Campus, King Khalid University, Abha 62561, Saudi Arabia
| | - Alaa Shafie
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O.Box 11099, Taif 21944, Saudi Arabia
| | - Amal Adnan Ashour
- Department of Oral & Maxillofacial Surgery and Diagnostic Sciences, Faculty of Dentistry. Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | | | - Ayaz Khurram Mallick
- Department of Clinical Biochemistry, College of Medicine, King Khalid University, Abha, Saudi Arabia
| | - Ahad Amer Alsaiari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O.Box 11099, Taif 21944, Saudi Arabia
| | - Abdulraheem Ali Almalki
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O.Box 11099, Taif 21944, Saudi Arabia
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Yan JH, Liao KQ, Yao L, Chen JL, Xiong LF, Tao XZ. LncRNA AL645608.3 mediates malignant progression of acute myeloid leukemia. Am J Transl Res 2024; 16:342-355. [PMID: 38322561 PMCID: PMC10839383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/27/2023] [Indexed: 02/08/2024]
Abstract
OBJECTIVE To investigate the role of lncRNA AL645608.3 in the malignant progression of acute myeloid leukemia (AML) cells and explore relevant molecular mechanisms. METHODS The expression level of AL645608.3 was measured in AML cell lines (THP-1, HL-60, KG-1, and AML-193) via real-time quantitative polymerase chain reaction (RT-qPCR). Small hairpin RNA (shRNA) and open reading frame of AL645608.3 were cloned into lentiviral vectors and were infected into THP-1 and AML-193 cells. The expression of casitas B-lineage lymphoma (CBL), interferon regulatory factor 6 (IRF6), and interferon beta 1 (IFNB1) was detected through RT-qPCR, and western blot. Co-immunoprecipitation (Co-IP) on IRF6 was conducted. Matrix metalloprotease-9 (MMP-9) activity was evaluated via gelatin zymography assay. RESULTS LncRNA AL645608.3 was expressed in the four AML cell lines (THP-1, HL-60, KG-1, and AML-193). Silencing AL645608.3 mitigated the expression of IRF6 and IFNB1 but elevated the expression of CBL in THP-1 cells. Oppositely, AL645608.3 overexpression up-regulated the expression of IRF6 and IFNB1 but decreased the expression of CBL in AML-193 cells. Co-IP results proved that AL645608.3 could directly mediate IRF6 activity in THP-1 and AML-193 cells. MMP-9 activity was decreased by AL645608.3 knockdown and was improved by AL645608.3 overexpression in AML-193 cells. CONCLUSION AL645608.3 is expressed in different AML cell lines, and mediates the expression of CBL, IRF6, IFNB1, and MMP-9. These findings might deepen our comprehension of the molecular mechanisms underlying AML.
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Affiliation(s)
- Jin-Hua Yan
- School of Information Management, Jiangxi University of Finance and EconomicsNanchang 330013, Jiangxi, China
| | - Kai-Qiong Liao
- Department of Hematology, The First Hospital of NanchangNanchang 330008, Jiangxi, China
| | - Ling Yao
- Department of Gastroenterology, The First Hospital of NanchangNanchang 330008, Jiangxi, China
| | - Jian-Lan Chen
- Department of Hematology, The First Hospital of NanchangNanchang 330008, Jiangxi, China
| | - Li-Fang Xiong
- Department of Hematology, The First Hospital of NanchangNanchang 330008, Jiangxi, China
| | - Xu-Zhang Tao
- Department of Nuclear Medicine, The First Hospital of NanchangNanchang 330008, Jiangxi, China
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Wang J, Shen Y, Wang X, Zhou Z, Zhong Z, Gu T, Wu B. Long non-coding RNA AL137789.1 promoted malignant biological behaviors and immune escape of pancreatic carcinoma cells. Open Med (Wars) 2023; 18:20230661. [PMID: 37020523 PMCID: PMC10068751 DOI: 10.1515/med-2023-0661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 01/08/2023] [Accepted: 01/18/2023] [Indexed: 04/07/2023] Open
Abstract
Our pre-investigation has revealed that long non-coding RNA (LncRNA) AL137789.1 has the potential to predict the survival of patients with pancreatic carcinoma (PCa). Accordingly, the mechanism underlying the implication of AL137789.1 in PCa is covered in the current study. The non-tumor and paired tumor tissues were collected. Kaplan-Meier curve was employed to estimate the survival of PCa patients with high or low expression of AL137789.1. The proliferation, migration, invasion, and cell cycle of PCa cells were determined, and the cytotoxicity of CD8+ T cells was evaluated as well. Levels of AL137789.1, E-cadherin, N-cadherin, and Vimentin were quantified. According to the experimental results, AL137789.1 was highly expressed in PCa and related to a poor prognosis of patients. Overexpressed AL137789.1 enhanced the proliferation, migration, and invasion of PCa cells, increased the cell population at G2/M and S phases yet decreased that in G0/G1 phase, and diminished the cytotoxicity of CD8+ T cells. Also, overexpressed AL137789.1 elevated levels of N-cadherin and Vimentin, while lessening E-cadherin levels. However, the silencing of AL137789.1 produced contrary effects. Collectively, lncRNA AL137789.1 plays a tumor-promotive role in PCa by enhancing the progression and immune escape.
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Affiliation(s)
- Jing Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang Province, China
| | - Yiyu Shen
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang Province, China
| | - Xiaoguang Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang Province, China
| | - Zhongcheng Zhou
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang Province, China
| | - Zhengxiang Zhong
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang Province, China
| | - Tianyuan Gu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang Province, China
| | - Bin Wu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, No.
397, Huancheng North Road, Jiaxing 314000, Zhejiang Province, China
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Sun A, Tian X, Yang W, Lin Q. Overexpression of SCYL1 Is Associated with Progression of Breast Cancer. Curr Oncol 2022; 29:6922-6932. [PMID: 36290821 PMCID: PMC9600755 DOI: 10.3390/curroncol29100544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/15/2022] [Accepted: 09/21/2022] [Indexed: 01/13/2023] Open
Abstract
SCYL1 is a pseudokinase and plays roles in cell division and gene transcription, nuclear/cytoplasmic shuttling of tRNA, protein glycosylation, and Golgi morphology. However, the role of SCYL1 in human breast cancer progression remains largely unknown. In this study, we determined expression of SCYL1 in breast cancer by searching the Cancer Genome Atlas (TCGA) and Tumor Immunoassay Resource (TIMER) databases. Meanwhile, we collected breast tumor tissue samples from 247 cases and detected expression of SCYL1 in the tumors using the tissue microarray assay (TMA). Association of SCYL1 with prognosis of breast cancer was determined based on the PrognoScan database. The results have shown that SCYL1 is overexpressed in breast cancer, and the expression of SCYL1 is associated with poor clinical outcomes of breast cancer patients. Furthermore, knockdown of SCYL1 by shRNAs significantly inhibited the proliferation and migration of breast cancer cells. Taken together, our data suggest that SCYL1 is a biomarker for poor prognosis of breast cancer, has a promoting role in breast cancer progression, and is a potential target for breast cancer therapy.
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Lin XH, Zhang DY, Liu ZY, Tang WQ, Chen RX, Li DP, Weng S, Dong L. lncRNA-AC079061.1/VIPR1 axis may suppress the development of hepatocellular carcinoma: a bioinformatics analysis and experimental validation. Lab Invest 2022; 20:379. [PMID: 36038907 PMCID: PMC9422102 DOI: 10.1186/s12967-022-03573-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 08/04/2022] [Indexed: 11/12/2022]
Abstract
Background Hepatocellular carcinoma (HCC) is one of the most malignant tumors to threaten human life, and the survival rate remains low due to delayed diagnosis. Meanwhile, lncRNAs have great potential for application in tumor prognosis, therefore relevant research in hepatocellular carcinoma is indispensable. Methods Based on the EZH2 expression, the differentially expressed lncRNAs DElncRNAs), miRNAs (DEmiRNAs), and mRNAs (DEmRNAs) were identified in hepatocellular carcinoma by using the TCGA database. Bioinformatics technology was utilized to determine the effect of key genes in HCC progression. The methylation and immune infiltration analyses were performed to explore the underlying function of hub genes. Finally, cellular function experiments were performed to investigate the association between identified genes and biological phenotypes in HCC. Results lncRNA-AC079061.1, hsa-miR-765, and VIPR1 were identified as independent factors that affect the prognosis of hepatocellular carcinoma. The immune infiltration analyses revealed that lncRNA-AC079061.1 can alter the immune microenvironment and thus inhibit the development of HCC by regulating the expression of an immune-related gene (VIPR1). Methylation analyses demonstrated that VIPR1 expression is negatively related to the methylation level in HCC. Experimental results suggested that lncRNA-AC079061.1 and VIPR1 were frequently downregulated in HCC cells, while hsa-miR-765 was significantly upregulated. Moreover, the lncRNA-AC079061.1/VIPR1 axis suppressed the proliferation and invasion of HCC cells. Conclusion The present study identified the lncRNA-AC079061.1/VIPR1 axis as a novel biomarker that inhibited the proliferation and invasion of hepatocellular carcinoma, affecting the ultimate disease outcome. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-022-03573-7.
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Affiliation(s)
- Xia-Hui Lin
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.,Shanghai Institute of Liver Disease, Shanghai, 200032, China
| | - Dan-Ying Zhang
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.,Shanghai Institute of Liver Disease, Shanghai, 200032, China
| | - Zhi-Yong Liu
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.,Shanghai Institute of Liver Disease, Shanghai, 200032, China
| | - Wen-Qing Tang
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.,Shanghai Institute of Liver Disease, Shanghai, 200032, China
| | - Rong-Xin Chen
- Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, 200032, China
| | - Dong-Ping Li
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.,Shanghai Institute of Liver Disease, Shanghai, 200032, China
| | - Shuqiang Weng
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China. .,Shanghai Institute of Liver Disease, Shanghai, 200032, China.
| | - Ling Dong
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China. .,Shanghai Institute of Liver Disease, Shanghai, 200032, China.
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Fang K, Tang DS, Yan CS, Ma J, Cheng L, Li Y, Wang G. Comprehensive Analysis of Necroptosis in Pancreatic Cancer for Appealing its Implications in Prognosis, Immunotherapy, and Chemotherapy Responses. Front Pharmacol 2022; 13:862502. [PMID: 35662734 PMCID: PMC9157651 DOI: 10.3389/fphar.2022.862502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: Necroptosis represents a new target for cancer immunotherapy and is considered a form of cell death that overcomes apoptosis resistance and enhances tumor immunogenicity. Herein, we aimed to determine necroptosis subtypes and investigate the roles of necroptosis in pancreatic cancer therapy. Methods: Based on the expression of prognostic necroptosis genes in pancreatic cancer samples from TCGA and ICGC cohorts, a consensus clustering approach was implemented for robustly identifying necroptosis subtypes. Immunogenic features were evaluated according to immune cell infiltrations, immune checkpoints, HLA molecules, and cancer-immunity cycle. The sensitivity to chemotherapy agents was estimated using the pRRophetic package. A necroptosis-relevant risk model was developed with a multivariate Cox regression analysis. Results: Five necroptosis subtypes were determined for pancreatic cancer (C1∼C5) with diverse prognosis, immunogenic features, and chemosensitivity. In particular, C4 and C5 presented favorable prognosis and weakened immunogenicity; C2 had high immunogenicity; C1 had undesirable prognosis and high genetic mutations. C5 was the most sensitive to known chemotherapy agents (cisplatin, gemcitabine, docetaxel, and paclitaxel), while C4 displayed resistance to aforementioned agents. The necroptosis-relevant risk model could accurately predict prognosis, immunogenicity, and chemosensitivity. Conclusion: Our findings provided a conceptual framework for comprehending necroptosis in pancreatic cancer biology. Future work is required for evaluating its relevance in the design of combined therapeutic regimens and guiding the best choice for immuno- and chemotherapy.
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Affiliation(s)
- Kun Fang
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - De-Sheng Tang
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Chang-Sheng Yan
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiamin Ma
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Long Cheng
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yilong Li
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Gang Wang
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China.,Key Laboratory of Hepatosplenic Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, China
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Targeting Circulating lncRNA ENST00000538705.1 Relieves Acute Coronary Syndrome via Modulating ALOX15. DISEASE MARKERS 2022; 2022:8208471. [PMID: 35571613 PMCID: PMC9106501 DOI: 10.1155/2022/8208471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 12/13/2022]
Abstract
Objective Acute coronary syndrome (ACS) is the most dangerous and deadly form of coronary heart disease. Herein, we aimed to explore ACS-specific circulating lncRNAs and their regulatory mechanisms. Methods This study collected serum samples from ACS patients and healthy controls for microarray analysis. Dysregulated circulating lncRNAs and mRNAs were determined with |log2fold − change| > 1 and p < 0.05. lncRNA-mRNA coexpression analysis was carried out. ENST00000538705.1 and ALOX15 expression was further verified in serum specimens. In human coronary artery endothelial cells (HCAECs), ENST00000538705.1 and ALOX15 were knocked out through transfecting specific siRNAs. Thereafter, proliferation and migration were investigated with CCK-8 and wound-healing assays. Myocardial infarction rat models were established and administrated with siRNAs against ENST00000538705.1 or ALOX15. Myocardial damage was investigated with H&E staining, and serum TC, LDL, and HDL levels were measured. Results Microarray analysis identified 353 dysregulated circulating lncRNAs and 441 dysregulated circulating mRNAs in ACS. Coexpression analysis indicated the interaction between ENST00000538705.1 and ALOX15. RT-qPCR confirmed the remarkable upregulation of circulating ENST00000538705.1 and ALOX15 in ACS patients. In HCAECs, ENST00000538705.1 knockdown lowered the expression of ALOX15 but ALOX15 did not alter the expression of ENST00000538705.1. Silencing ENST00000538705.1 or ALOX15 weakened the proliferation and migration of HCAECs. Additionally, knockdown of ENST00000538705.1 or ALOX15 relieved myocardial damage, decreased serum TC and LDL levels, and elevated HDL levels in myocardial infarction rats. Conclusion Collectively, our findings demonstrate that circulating ENST00000538705.1 facilitates ACS progression through modulating ALOX15, which provide potential targets for ACS treatment.
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CTCF-Induced lncRNA C5orf66-AS1 Facilitates the Progression of Triple-Negative Breast Cancer via Sponging miR-149-5p to Up-Regulate CTCF and CTNNB1 to Activate Wnt/β-Catenin Pathway. Mol Cell Biol 2022; 42:e0018821. [PMID: 35499320 DOI: 10.1128/mcb.00188-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Triple-negative breast cancer (TNBC) represents one of the subtypes of breast cancer with high aggressiveness. Long noncoding RNAs (lncRNAs) are well-known to function as crucial regulators in human cancers which include TNBC.
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AQP9 and ZAP70 as immune-related prognostic biomarkers suppress proliferation, migration and invasion of laryngeal cancer cells. BMC Cancer 2022; 22:465. [PMID: 35477402 PMCID: PMC9047300 DOI: 10.1186/s12885-022-09458-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 03/21/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Laryngeal cancer represents a common malignancy that originates from the larynx, with unfavorable prognosis. Herein, this study systematically analyzed the immune signatures of laryngeal cancer and to evaluate their roles on tumor progression. METHODS Differentially expressed immune-related genes (IRGs) were screened between laryngeal cancer and normal tissues from TCGA dataset. Then, two prognosis-related IRGs AQP9 and ZAP70 were analyzed by a series of survival analysis. Based on them, molecular subtypes were constructed by unsupervised cluster analysis. Differences in survival outcomes, HLA expression and immune cell infiltrations were assessed between subtypes. Expression of AQP9 and ZAP70 was validated in laryngeal cancer tissues and cells by RT-qPCR and immunohistochemistry. After silencing and overexpressing AQP9 and ZAP70, CCK-8, EdU, wound healing and transwell assays were performed in TU212 and LCC cells. RESULTS Totally, 315 IRGs were abnormally expressed in laryngeal cancer. Among them, AQP9 and ZAP70 were distinctly correlated to patients' prognosis. Two subtypes were developed with distinct survival outcomes, HLA expression and immune microenvironment. Low expression of AQP9 and ZAP70 was confirmed in laryngeal cancer. AQP9 and ZAP70 up-regulation distinctly suppressed proliferation, migration, and invasion of laryngeal cancer cells. The opposite results were investigated when their knockdown. CONCLUSIONS Our findings revealed the roles of AQP9 and ZAP70 in progression of laryngeal cancer, and suggested that AQP9 and ZAP70 could potentially act as candidate immunotherapeutic targets for laryngeal cancer.
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Zhang Z, Li W, Jiang D, Gu L, Li B, Sang C, Rao D, Tang Z, Liu C. Silencing of long non-coding RNA linc01106 suppresses non-small cell lung cancer proliferation, migration and invasion by regulating microRNA-765. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2059578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- ZuXiong Zhang
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, People’s Republic of China
| | - WeiZhi Li
- Department of Cardiothoracic Surgery, Tumor Hospital of Ganzhou, Ganzhou, People’s Republic of China
| | - DaMei Jiang
- Department of Cardiothoracic Surgery, Ganzhou Municipal Hospital, Ganzhou, People’s Republic of China
| | - Liang Gu
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, People’s Republic of China
| | - Bin Li
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, People’s Republic of China
| | - ChengPeng Sang
- Department of Cardiothoracic Surgery, Gannan Medical University, Ganzhou, People’s Republic of China
| | - DingYu Rao
- Department of Cardiothoracic Surgery, Gannan Medical University, Ganzhou, People’s Republic of China
| | - ZhiXian Tang
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, People’s Republic of China
| | - Chi Liu
- Department of Cardiothoracic Surgery, Sichuan Provincial People's Hospital, Chengdu, People’s Republic of China
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An immune-related lncRNA model for predicting prognosis, immune landscape and chemotherapeutic response in bladder cancer. Sci Rep 2022; 12:3225. [PMID: 35217715 PMCID: PMC8881497 DOI: 10.1038/s41598-022-07334-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) participate in cancer immunity. We characterized the clinical significance of an immune-related lncRNA model and evaluated its association with immune infiltrations and chemosensitivity in bladder cancer. Transcriptome data of bladder cancer specimens were employed from The Cancer Genome Atlas. Dysregulated immune-related lncRNAs were screened via Pearson correlation and differential expression analyses, followed by recognition of lncRNA pairs. Then, a LASSO regression model was constructed, and receiver operator characteristic curves of one-, three- and five-year survival were established. Akaike information criterion (AIC) value of one-year survival was determined as the cutoff of high- and low-risk subgroups. The differences in survival, clinical features, immune cell infiltrations and chemosensitivity were compared between subgroups. Totally, 90 immune-related lncRNA pairs were identified, 15 of which were screened for constructing the prognostic model. The area under the curves of one-, three- and five-year survival were 0.806, 0.825 and 0.828, confirming the favorable predictive performance of this model. According to the AIC value, we clustered patients into high- and low-risk subgroups. High-risk score indicated unfavorable outcomes. The risk model was related to survival status, age, stage and TNM. Compared with conventional clinicopathological characteristics, the risk model displayed higher predictive efficacy and served as an independent predictor. Also, it could well characterize immune cell infiltration landscape and predict immune checkpoint expression and sensitivity to cisplatin and methotrexate. Collectively, the model conducted by paring immune-related lncRNAs regardless of expressions exhibits a favorable efficacy in predicting prognosis, immune landscape and chemotherapeutic response in bladder cancer.
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Feng Z, Ye Z, Xie J, Chen W, Li W, Xing C. Study on the mechanism of LOXL1-AS1/miR-3614-5p/YY1 signal axis in the malignant phenotype regulation of hepatocellular carcinoma. Biol Direct 2021; 16:24. [PMID: 34863279 PMCID: PMC8645132 DOI: 10.1186/s13062-021-00312-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 11/16/2021] [Indexed: 01/29/2023] Open
Abstract
Background Hepatocellular carcinoma (HCC) is one of the most common malignant tumors with high mortality worldwide. Accumulating researches have indicated that long non‑coding RNAs (lncRNAs) are involved in varies human cancers, including HCC. Nevertheless, the specific molecular mechanism of lncRNA lysyl oxidase like 1 antisense RNA 1 (LOXL1-AS1) in HCC is still unclear. Methods LOXL1-AS1 expression was tested via qRT-PCR in HCC cells. Functional and mechanism assays were respectively done to evaluate the biological functions of HCC cells and the potential interaction of LOXL1-AS1 and other factors. Results We discovered that LOXL1-AS1 was high expressed in HCC cells. Inhibition of LOXL1-AS1 repressed cell proliferation, migration and invasion, but enhanced cell apoptosis in HCC. Further, miR-3614-5p was proven to be sponged by LOXL1-AS1. Additionally, Yin Yang 1 (YY1) was proven as the target gene of miR-3614-5p, and YY1 depletion could repress HCC cell malignant behaviors. YY1 could also transcriptionally activate LOXL1-AS1 expression. In rescue assays, we confirmed that overexpression of YY1 or miR-3614-5p inhibition could reverse the suppressive effects of LOXL1-AS1 silence on the malignant behaviors of HCC cells. Conclusion In short, LOXL1-AS1/miR-3614-5p/YY1 forms a positive loop in modulating HCC cell malignant behaviors. Supplementary Information The online version contains supplementary material available at 10.1186/s13062-021-00312-8.
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Affiliation(s)
- ZhenYu Feng
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - ZhenYu Ye
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - JiaMing Xie
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - Wei Chen
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - Wei Li
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - ChunGen Xing
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, No. 1055 Sanxiang Road, Gusu District, Suzhou, 215004, Jiangsu, China.
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Ghafouri-Fard S, Fathi M, Zhai T, Taheri M, Dong P. LncRNAs: Novel Biomarkers for Pancreatic Cancer. Biomolecules 2021; 11:1665. [PMID: 34827663 PMCID: PMC8615627 DOI: 10.3390/biom11111665] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/31/2021] [Accepted: 11/09/2021] [Indexed: 12/31/2022] Open
Abstract
Pancreatic cancer is one of the most deadly neoplasms and the seventh major cause of cancer-related deaths among both males and females. This cancer has a poor prognosis due to the lack of appropriate methods for early detection of cancer. Long non-coding RNAs (lncRNAs) have been recently found to influence the progression and initiation of pancreatic cancer. MACC1-AS1, LINC00976, LINC00462, LINC01559, HOXA-AS2, LINC00152, TP73-AS1, XIST, SNHG12, LUCAT1, and UCA1 are among the oncogenic lncRNAs in pancreatic cancer. On the other hand, LINC01111, LINC01963, DGCR5, MEG3, GAS5, and LINC00261 are among tumor suppressor lncRNAs in this tissue. In the current review, we summarize the roles of these two classes of lncRNAs in pancreatic cancer and discuss their potential as attractive diagnostic and prognostic biomarkers for pancreatic cancer. We also identified that the low expression of MEG3, LINC01963, and LINC00261 and the high expression of MACC1-AS1, LINC00462, LINC01559, and UCA1 were significantly correlated with worse survival in pancreatic cancer patients. Further research on these lncRNAs will provide new clues that could potentially improve the early diagnosis, prognostic prediction, and personalized treatments of patients with pancreatic cancer.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1983535511, Iran;
| | - Mohadeseh Fathi
- Men’s Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1983535511, Iran;
| | - Tianyue Zhai
- Department of Obstetrics and Gynecology, Hokkaido University School of Medicine, Hokkaido University, N15, W7, Kita-ku, Sapporo 0608638, Japan;
| | - Mohammad Taheri
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran 1983535511, Iran
| | - Peixin Dong
- Department of Obstetrics and Gynecology, Hokkaido University School of Medicine, Hokkaido University, N15, W7, Kita-ku, Sapporo 0608638, Japan;
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LncRNA RP11-465B22.8 triggers esophageal cancer progression by targeting miR-765/KLK4 axis. Cell Death Discov 2021; 7:262. [PMID: 34561425 PMCID: PMC8463694 DOI: 10.1038/s41420-021-00631-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 08/16/2021] [Accepted: 09/02/2021] [Indexed: 01/22/2023] Open
Abstract
LncRNAs play an important role in tumorigenesis and progression; however, the function and mechanisms of lncRNAs in esophageal cancer (EC) remain largely unclear. In this study, we screened the differentially expressed lncRNAs in EC by using RNA-seq and one of the most upregulated lncRNAs, lncRNA RP11-465B22.8, was further characterized. LncRNA RP11-465B22.8 was upregulated in EC tissues and high lncRNA RP11-465B22.8 expression was associated with poor survival of EC patients. Ectopic expression of lncRNA RP11-465B22.8 enhanced the proliferation, migration, and invasion of EC cells, whereas knockdown of lncRNA RP11-465B22.8 led to the opposite effects. Mechanistically, lncRNA RP11-465B22.8 sponged miR-765 to increase the expression of KLK4. Moreover, LncRNA RP11-465B22.8 could be delivered from EC cells to macrophages via exosomes and subsequently induced M2 macrophage-induced cell migration and invasion. Our findings revealed a novel lncRNA RP11-465B22.8/miR-765/KLK4 pathway in EC and indicated that lncRNA RP11-465B22.8 might be a potential target for EC therapy.
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Farooqi AA, Gulnara K, Mukhanbetzhanovna AA, Datkhayev U, Kussainov AZ, Adylova A. Regulation of RUNX proteins by long non-coding RNAs and circular RNAs in different cancers. Noncoding RNA Res 2021; 6:100-106. [PMID: 34189363 PMCID: PMC8209647 DOI: 10.1016/j.ncrna.2021.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/05/2021] [Accepted: 05/25/2021] [Indexed: 12/27/2022] Open
Abstract
RUNX proteins have been shown to behave as "double-edge sword" in wide variety of cancers. Discovery of non-coding RNAs has played linchpin role in improving our understanding about the post-transcriptional regulation of different cell signaling pathways. Several new mechanistic insights and distinct modes of cross-regulation of RUNX proteins and non-coding RNAs have been highlighted by recent research. In this review we have attempted to provide an intricate interplay between non-coding RNAs and RUNX proteins in different cancers. Better conceptual and mechanistic understanding of layered regulation of RUNX proteins by non-coding RNAs will be helpful in effective translation of the laboratory findings to clinically effective therapeutics.
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Affiliation(s)
| | - Kapanova Gulnara
- Al-Farabi Kazakh National University, 71 Al-Farabi Avenue, Almaty, 050040, Kazakhstan
| | | | - Ubaidilla Datkhayev
- Asfendiyarov Kazakh National Medical University, KazNMU, Tole Bi St 94, Almaty, 050000, Kazakhstan
| | - Abay Z Kussainov
- Kazakh National Medical University Named After S. D. Asfendiyarov, Kazakhstan
| | - Aima Adylova
- Guangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center, Shenzhen University School of Medicine, Shenzhen, Guangdong, 518060, China
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16
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Ramya Devi KT, Karthik D, Mahendran T, Jaganathan MK, Hemdev SP. Long noncoding RNAs: role and contribution in pancreatic cancer. Transcription 2021; 12:12-27. [PMID: 34036896 DOI: 10.1080/21541264.2021.1922071] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Noncoding RNAs are proclaimed to be expressed in various cancer types and one such type is found to be pancreatic ductal adenocarcinoma (PDAC). The long noncoding RNAs (LncRNAs) affect the migration, invasion, and growth of tumor cells by playing important roles in the process of epigenesis, post-transcription, and transcriptional regulation along with the maintenance of apoptosis and cell cycle. It is quite subtle whether the alterations in lncRNAs would impact PDAC progression and development. This review throws a spotlight on the lncRNAs associated with tumor functions: MALAT-1, HOTAIR, HOXA13, H19, LINC01559, LINC00460, SNHG14, SNHG16, DLX6-AS1, MSC-AS1, ABHD11-AS1, DUXAP8, DANCR, XIST, DLEU2, etc. are upregulated lncRNAs whereas GAS5, HMlincRNA717, MIAT, LINC01111, lncRNA KCNK15-AS1, etc. are downregulated lncRNAs inhibiting the invasion and progression of PDAC. These data provided helps in the assessment of lncRNAs in the development, metastasis, and occurrence of PDAC and also play a vital role in the evolution of biomarkers and therapeutic agents for the treatment of PDAC.
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Affiliation(s)
- K T Ramya Devi
- Department of Biotechnology, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Tamil Nadu, India
| | - Dharshene Karthik
- Department of Biotechnology, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Tamil Nadu, India.,Department of Industrial Biotechnology, Sri Venkateswara College of Engineering, Chennai, India
| | - TharunSelvam Mahendran
- Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India
| | - M K Jaganathan
- Department of Biotechnology, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Tamil Nadu, India
| | - Sanjana Prakash Hemdev
- School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, United States
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Yan X, Han D, Chen Z, Han C, Dong W, Han L, Zou L, Zhang J, Liu Y, Chai J. RUNX2 interacts with BRG1 to target CD44 for promoting invasion and migration of colorectal cancer cells. Cancer Cell Int 2020; 20:505. [PMID: 33071648 PMCID: PMC7559818 DOI: 10.1186/s12935-020-01544-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 09/07/2020] [Indexed: 12/16/2022] Open
Abstract
Background Cancer stem cells (CSCs) play an important role in tumor invasion and metastasis. CD44 is the most commonly used marker of CSCs, with the potential to act as a determinant against the invasion and migration of CSCs and as the key factor in epithelial-mesenchymal transition (EMT)-like changes that occur in colorectal cancer (CRC). Runt-related transcription factor-2 (RUNX2) is a mesenchymal stem marker for cancer that is involved in stem cell biology and tumorigenesis. However, whether RUNX2 is involved in CSC and in inducing EMT-like changes in CRC remains uncertain, warranting further investigation. Methods We evaluated the role of RUNX2 in the invasion and migration of CRC cells as a promoter of CD44-induced stem cell- and EMT-like modifications. For this purpose, western blotting was employed to analyze the expression of differential proteins in CRC cells. We conducted sphere formation, wound healing, and transwell assays to investigate the biological functions of RUNX2 in CRC cells. Cellular immunofluorescence and coimmunoprecipitation (co-IP) assays were performed to study the relationship between RUNX2 and BRG1. Real-time quantitative PCR (RT-qPCR) and immunohistochemistry (IHC) were performed to analyze the expressions of RUNX2, BRG1, and CD44 in the CRC tissues. Results We found that RUNX2 could markedly induce the CRC cell sphere-forming ability and EMT. Interestingly, the RUNX2-mediated EMT in CRC cell may be associated with the activation of CD44. Furthermore, RUNX2 was found to interact with BRG1 to promote the recruitment of RUNX2 to the CD44 promoter. Conclusions Our cumulative findings suggest that RUNX2 and BRG1 can form a compact complex to regulate the transcription and expression of CD44, which has possible involvement in the invasion and migration of CRC cells.
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Affiliation(s)
- Xiaodong Yan
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069 China
| | - Dali Han
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117 Shandong Province China
| | - Zhiqiang Chen
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, 100069 China
| | - Chao Han
- Department of Gastrointestinal Surgery, Heping Hospital Affiliated to Changzhi Medical College, Changzhi, 046000 Shanxi Province China
| | - Wei Dong
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117 Shandong Province China
| | - Li Han
- Internal Medicine-Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117 Shandong Province China
| | - Lei Zou
- Department of Gastrointestinal Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117 Shandong Province China
| | - Jianbo Zhang
- Department of Pathology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117 Shandong Province China
| | - Yan Liu
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117 Shandong Province China
| | - Jie Chai
- Department of Gastrointestinal Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, No. 440 Ji-Yan Road, Jinan, 250117 Shandong Province China.,Tianjin Medical University, Tianjin, 300070 China
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LncRNA FOXD3-AS1 knockdown protects against cerebral ischemia/reperfusion injury via miR-765/BCL2L13 axis. Biomed Pharmacother 2020; 132:110778. [PMID: 33068927 DOI: 10.1016/j.biopha.2020.110778] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 09/11/2020] [Accepted: 09/17/2020] [Indexed: 12/15/2022] Open
Abstract
AIMS Long non-coding RNAs (lncRNAs) FOXD3-AS1 was reported to be increased in cardiomyocyte ischemic injury. However, its role and underlying molecular mechanism in ischemic stroke remain unknown. This study was to investigate the role of FOXD3-AS1 in cerebral ischemia/reperfusion injury. METHODS The expression of FOXD3-AS1 and miR-765 were measured with qRT-PCR. The shared putative miR-765 binding sites both in BCL2L13 and FOXD3-AS1 were identified with bioinformatics, luciferase reporter assay and RNA immunoprecipitation. Apoptosis and its related proteins were detected by TUNEL assay, Hoechst 33,258 staining, flow cytometry and western blot. Infarct volume and the neurological status were evaluated with TTC staining and neurologic deficit score, respectively. RESULTS The up-regulation of FOXD3-AS1 and down-regulation of miR-765 were found in both mouse brains after cerebral ischemia/reperfusion (I/R) and neuroblastoma cells of neuro-2A (N2a) after oxygen-glucose deprivation/reoxygenation (OGD/R). Moreover, the overexpression of miR-765 reduced N2a cell apoptosis caused by OGD/R. MiR-765 could target BCL2L13 directly. In addition, we found that FOXD3-AS1 bound to miR-765 directly, acting as a ceRNA to modulate the expression of BCL2L13. Overexpression of FOXD3-AS1 antagonized the inhibitory impact of miR-765 on the expression of BCL2L13 and the apoptosis of N2a cells treated with OGD/R, while FOXD3-AS1 knockdown promoted the inhibitory impact of miR-765 on the expression of BCL2L13 and the apoptosis of N2a cells treated with OGD/R. Furthermore, we found that neurological deficits and brain injury induced by I/R in vivo were attenuated by FOXD3-AS1 knockdown. CONCLUSIONS We verified a critical signaling pathway of FOXD3-AS1/miR-765/BCL2L13 in regulating cerebral ischemia/reperfusion injury.
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Clinical Value of Serum LHPP-associated miR-765 in the Prognosis of Laparoscopic or Open Hepatectomy for Hepatocellular Carcinoma. Surg Laparosc Endosc Percutan Tech 2020; 30:395-402. [PMID: 32404854 PMCID: PMC7664965 DOI: 10.1097/sle.0000000000000808] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The current study aims to investigate the effect of tumor suppressor LHPP-associated microRNA (miR)-765 on the prognosis of laparoscopic hepatectomy (LH) or open hepatectomy (OH) for hepatocellular carcinoma (HCC).
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20
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Sun Y, Niu X, Wang G, Qiao X, Chen L, Zhong M. A Novel lncRNA ENST00000512916 Facilitates Cell Proliferation, Migration and Cell Cycle Progression in Ameloblastoma. Onco Targets Ther 2020; 13:1519-1531. [PMID: 32110049 PMCID: PMC7037065 DOI: 10.2147/ott.s236158] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 02/04/2020] [Indexed: 12/12/2022] Open
Abstract
Objective Our purpose was to identify up-regulated long noncoding RNA ENST00000512916 in ameloblastoma (AB) and explore its role in the progression of AB. Methods We analyzed lncRNA microarray expression profile between six paired AB and normal oral mucosa (NOM) tissues. An up-regulated lncRNA, ENST00000512916 was identified and validated by real-time qPCR. Cell proliferation, migration and cell cycle were detected by CCK-8 assay, transwell chamber and flow cytometry, respectively. Western blotting analysis was used to measure the expression of cell-cycle-related proteins including CyclinD1 and Cyclin-dependent kinase (CDK) 2/4/6. In addition, Xenograft tumor model was constructed to investigate tumor growth. Results Real-time qPCR confirmed that lncRNA ENST00000512916 was up-regulated in AB tissues. ENST00000512916 knockdown significantly inhibited cell proliferation, migration and the expression of CDK2/4/6 in AM-1 cells. Moreover, ENST00000512916 knockdown suppressed tumor growth in vivo. We also found that ENST00000512916 overexpression significantly promoted the expression of HOXC13 in AM-1 cells. Overexpression of ENST00000512916 promoted cell cycle progression in AM-1 cells, which was reversed by HOXC13 knockdown. Conclusion Our findings reveal that lncRNA ENST00000512916 promotes cell proliferation, migration and cell cycle progression of AB.
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Affiliation(s)
- Yan Sun
- Department of Oral Histopathology, School of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Xing Niu
- Department of Oral Histopathology, School of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Guannan Wang
- Department of Oral Histopathology, School of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Xue Qiao
- Department of Central Laboratory, School of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Lijie Chen
- Department of Oral Histopathology, School of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Ming Zhong
- Department of Oral Histopathology, School of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
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Yuan L, Ma T, Liu W, Chen Y, Yuan Q, Ye M, Yu L, Li J, Niu Y, Nan Y. LINC00994 promoted invasion and proliferation of gastric cancer cell via regulating miR-765-3p. Am J Transl Res 2019; 11:6641-6649. [PMID: 31737214 PMCID: PMC6834511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 09/30/2019] [Indexed: 06/10/2023]
Abstract
Emerging studies indicated that lncRNA is one crucial regulator in development and tumorigenesis. We firstly showed that LINC00994 was overexpressed in GC cells compare with GES-1. Compared to adjacent samples, the LINC00994 expression was increased in GC tissues by qRT-PCR assay. Furthermore, Elevated expression of LINC00994 induced GC cell invasion, proliferation and cycle. Luciferase reporter analysis indicated that ectopic miR-765-3p expression suppressed wild type LINC00994 luciferase activity, but not mutant LINC00994 in GC cells. Elevated expression of LINC00994 inhibited the miR-765-3p expression in GC cells. Compared to adjacent samples, the miR-765-3p expression was decreased in GC tissues by qRT-PCR assay. LINC00994 induced GC cell invasion and growth via modulating miR-765-3p. Thus, our data suggested an oncogenic role of LINC00994 in development of GC.
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Affiliation(s)
- Ling Yuan
- Pharmacy College of Ningxia Medical UniversityYinchuan 750004, China
- Ningxia Medical University Key Laboratory of Hui Ethnic Medicine Modernization Ministry of EducationYinchuan 750004, China
| | - Tingting Ma
- Pharmacy College of Ningxia Medical UniversityYinchuan 750004, China
| | - Wenjing Liu
- Traditional Chinese Medicine College of Ningxia Medical UniversityYinchuan 750004, China
| | - Yan Chen
- Traditional Chinese Medicine College of Ningxia Medical UniversityYinchuan 750004, China
| | - Qihui Yuan
- Traditional Chinese Medicine College of Ningxia Medical UniversityYinchuan 750004, China
| | - Mengyi Ye
- Traditional Chinese Medicine College of Ningxia Medical UniversityYinchuan 750004, China
| | - Lei Yu
- Department of Infectious Disease, The Fourth Hospital of Harbin Medical UniversityHarbin 150001, Heilongjiang, China
| | - Jiaxin Li
- Pharmacy College of Ningxia Medical UniversityYinchuan 750004, China
| | - Yang Niu
- Ningxia Medical University Key Laboratory of Hui Ethnic Medicine Modernization Ministry of EducationYinchuan 750004, China
- Traditional Chinese Medicine College of Ningxia Medical UniversityYinchuan 750004, China
| | - Yi Nan
- Ningxia Medical University Key Laboratory of Hui Ethnic Medicine Modernization Ministry of EducationYinchuan 750004, China
- Traditional Chinese Medicine College of Ningxia Medical UniversityYinchuan 750004, China
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