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Zhao JY, Yao JM, Zhang XZ, Wang KL, Jiang S, Guo SY, Sheng QQ, Liao L, Dong JJ. A New Ferroptosis-Related Long Non-Coding RNA Risk Model Predicts the Prognosis of Patients With Papillary Thyroid Cancer. World J Oncol 2024; 15:648-661. [PMID: 38993258 PMCID: PMC11236373 DOI: 10.14740/wjon1838] [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: 02/17/2024] [Accepted: 05/01/2024] [Indexed: 07/13/2024] Open
Abstract
Background Ferroptosis is a novel form of regulated cell death that involves in cancer progression. However, the role of ferroptosis-related long non-coding RNAs (lncRNAs) in papillary thyroid cancer (PTC) remains to be elucidated. The purpose of this paper was to clarify the prognostic value of ferroptosis-related lncRNAs in PTC. Methods The transcriptome data and clinical information were downloaded from The Cancer Genome Atlas (TCGA) database. The correlation between ferroptosis-related genes (FRGs) and lncRNA was determined using Pearson correlation analysis. Multivariate Cox regression model (P < 0.01) was performed to establish a ferroptosis-related lncRNAs risk model. Kaplan-Meier survival analysis, receiver operating characteristic (ROC) curves, risk curve and nomograms were then performed to assess the accuracy and clinical applicability of prognostic models. The correlations between the prognosis model and clinicopathological variables, immune and m6A were analyzed. Finally, in vitro assays were performed to verify the role of LINC00900, LINC01614 and PARAL1 on the proliferation, migration and invasion in TPC-1 and BCPAP cells, as well as the relationship between three lncRNAs and ferroptosis. Results A five-ferroptosis-related lncRNAs (PARAL1, LINC00900, DPH6-DT, LINC01614, LPP-AS2) risk model was constructed. Based on the risk score, samples were divided into the high- and low-risk groups. Patients in the low-risk group had better prognosis than those in high-risk group. Compared to traditional clinicopathological features, risk score was more accurate in predicting prognosis in patients with PTC. Additionally, the difference of immune cell, function and checkpoints was observed between two groups. Moreover, experiments showed that LINC00900 promoted the proliferation, migration and invasion in TPC-1 and BCPAP cells, while LINC01614 and PARAL1 revealed opposite effects, all of which were related to ferroptosis. Conclusions In summary, we identified a five-ferroptosis-related lncRNAs risk model to predict the prognosis of PTC. Furthermore, our study also revealed that LINC00900 functioned as a tumor suppressor lncRNA, LINC01614 and PARAL1 as an oncogenic lncRNA in PTC.
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Affiliation(s)
- Jun Yu Zhao
- Department of Endocrinology and Metabology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Institute of Nephrology, Ji’nan 250014, China
- Department of Endocrinology and Metabology, Shandong Provincial Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, Ji’nan 250014, China
- These authors contributed equally to this paper
| | - Jin Ming Yao
- Department of Endocrinology and Metabology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Institute of Nephrology, Ji’nan 250014, China
- These authors contributed equally to this paper
| | - Xin Zhong Zhang
- Department of Endocrinology and Metabology, Qilu Hospital of Shandong University, Cheeloo College of Medicine, Shandong University, Ji’nan 250012, China
| | - Kai Li Wang
- Department of Endocrinology and Metabology, Qilu Hospital of Shandong University, Cheeloo College of Medicine, Shandong University, Ji’nan 250012, China
| | - Shan Jiang
- Department of Endocrinology and Metabology, Qilu Hospital of Shandong University, Cheeloo College of Medicine, Shandong University, Ji’nan 250012, China
| | - Si Yi Guo
- Department of Endocrinology and Metabology, Qilu Hospital of Shandong University, Cheeloo College of Medicine, Shandong University, Ji’nan 250012, China
| | - Qi Qi Sheng
- Department of Endocrinology and Metabology, Qilu Hospital of Shandong University, Cheeloo College of Medicine, Shandong University, Ji’nan 250012, China
| | - Lin Liao
- Department of Endocrinology and Metabology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Institute of Nephrology, Ji’nan 250014, China
- Department of Endocrinology and Metabology, Shandong Provincial Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, Ji’nan 250014, China
| | - Jian Jun Dong
- Department of Endocrinology and Metabology, Qilu Hospital of Shandong University, Cheeloo College of Medicine, Shandong University, Ji’nan 250012, China
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Rastegari M, Sazegar H, Doosti A. Prognostic significance of CHCHD2P9 and ZNF204P in breast cancer: exploring their expression patterns and associations with malignancy-related genes. Mol Biol Rep 2024; 51:707. [PMID: 38824255 DOI: 10.1007/s11033-024-09643-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/14/2024] [Indexed: 06/03/2024]
Abstract
BACKGROUND Non-coding RNAs (ncRNAs) have a crucial impact on diverse cellular processes, influencing the progression of breast cancer (BC). The objective of this study was to identify novel ncRNAs in BC with potential effects on patient survival and disease progression. METHODS We utilized the cancer genome atlas data to identify ncRNAs associated with BC pathogenesis. We explored the association between these ncRNA expressions and survival rates. A risk model was developed using candidate ncRNA expression and beta coefficients obtained from a multivariate Cox regression analysis. Co-expression networks were constructed to determine potential relationships between these ncRNAs and molecular pathways. For validation, we employed BC samples and the RT-qPCR method. RESULTS Our findings revealed a noteworthy increase in the expression of AC093850.2 and CHCHD2P9 in BC, which was correlated with a poor prognosis. In contrast, ADAMTS9-AS1 and ZNF204P displayed significant downregulation and were associated with a favorable prognosis. The risk model, incorporating these four ncRNAs, robustly predicted patient survival. The co-expression network showed an effective association between levels of AC093850.2, CHCHD2P9, ADAMTS9-AS1, and ZNF204P and genes involved in pathways like metastasis, angiogenesis, metabolism, and DNA repair. The RT-qPCR results verified notable alterations in the expression of CHCHD2P9 and ZNF204P in BC samples. Pan-cancer analyses revealed alterations in the expression of these two ncRNAs across various cancer types. CONCLUSION This study presents a groundbreaking discovery, highlighting the substantial dysregulation of CHCHD2P9 and ZNF204P in BC and other cancers, with implications for patient survival.
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Affiliation(s)
- Mozhdeh Rastegari
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Hossein Sazegar
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
| | - Abbas Doosti
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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Tian X, Hu D, Wang N, Zhang L, Wang X. LINC01614 is a promising diagnostic and prognostic marker in HNSC linked to the tumor microenvironment and oncogenic function. Front Genet 2024; 15:1337525. [PMID: 38655053 PMCID: PMC11035733 DOI: 10.3389/fgene.2024.1337525] [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: 11/13/2023] [Accepted: 03/25/2024] [Indexed: 04/26/2024] Open
Abstract
Background Tumor initiation and metastasis influence tumor immune exclusion and immunosuppression. Long non-coding RNA (lncRNA) LINC01614 is associated with the prognosis and metastasis of several cancers. However, the relationship between LINC01614 and cancer immune infiltration and the biofunction of LINC01614 in head and neck squamous cell carcinoma (HNSC) remain unclear. Methods The Genotype-Tissue Expression (GTEx) and The Cancer Genome Atlas (TCGA) datasets were used to analyze the expression difference and diagnostic value of LINC01614 in normal and tumor tissues. The correlation of pan-cancer prognosis and tumor stage of LINC01614 was analyzed based on the TCGA database. The pan-cancer association of LINC01614 expression with the tumor microenvironment (TME) including immune infiltration, expression of immune-related genes, and genomic instability parameters, was analyzed using the Spearman correlation method. The correlation between LINC01614 and tumor stemness evaluation indicators, RNA methylation-related genes, and drug resistance was also analyzed. The functional analysis of LINC01614 was performed using the clusterProfiler R package. The protein-protein interaction (PPI) network and ceRNA network of LINC01614 co-expressed genes and miRNA were constructed and visualized by STRING and Cytoscape, respectively. Finally, the cell location and influence of LINC01614 on cell proliferation and metastasis of HNSC cell lines were evaluated using FISH, CCK-8, wound-healing assay, and transwell assay. Results LINC01614 was found to be overexpressed in 23 cancers and showed a highly sensitive prediction value in nine cancers (AUC >0.85). LINC01614 dysregulation was associated with tumor stage in 12 cancers and significantly influenced the survival outcomes of 26 cancer types, with only Lymphoid Neoplasm Diffuse Large B-cell Lymphoma (DLBC), uterine corpus endometrial carcinoma (UCEC), and bladder urothelial carcinoma (BLCA) showing a benign influence. LINC01614 was also associated with immune cell infiltration, tumor heterogeneity, cancer stemness, RNA methylation modification, and drug resistance. The potential biological function of LINC01614 was verified in HNSC, and it was found to play important roles in proliferation, immune infiltration, immunotherapy response, and metastasis of HNSC. Conclusion LINC01614 may serve as a cancer diagnosis and prognosis biomarker and an immunotherapy target for specific cancers.
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Affiliation(s)
- Xiong Tian
- Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Linhai, China
- Department of Public Research Platform, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, China
| | - Dali Hu
- Department of Plastic Surgery, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, China
| | - Na Wang
- Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Linhai, China
- Department of Clinical Laboratory, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, China
| | - Lele Zhang
- Department of Radiation Oncology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
| | - Xuequan Wang
- Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Linhai, China
- Department of Radiation Oncology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
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Wasson MCD, Venkatesh J, Cahill HF, McLean ME, Dean CA, Marcato P. LncRNAs exhibit subtype-specific expression, survival associations, and cancer-promoting effects in breast cancer. Gene 2024; 901:148165. [PMID: 38219875 DOI: 10.1016/j.gene.2024.148165] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 12/25/2023] [Accepted: 01/11/2024] [Indexed: 01/16/2024]
Abstract
Long non-coding RNAs (lncRNAs) play important roles in cancer progression, influencing processes such as invasion, metastasis, and drug resistance. Their reported cell type-dependent expression patterns suggest the potential for specialized functions in specific contexts. In breast cancer, lncRNA expression has been associated with different subtypes, highlighting their relevance in disease heterogeneity. However, our understanding of lncRNA function within breast cancer subtypes remains limited, warranting further investigation. We conducted a comprehensive analysis using the TANRIC dataset derived from the TCGA-BRCA cohort, profiling the expression, patient survival associations and immune cell type correlations of 12,727 lncRNAs across subtypes. Our findings revealed subtype-specific associations of lncRNAs with patient survival, tumor infiltrating lymphocytes and other immune cells. Targeting of lncRNAs exhibiting subtype-specific survival associations and expression in a panel of breast cancer cells demonstrated a selective reduction in cell proliferation within their associated subtype, supporting subtype-specific functions of certain lncRNAs. Characterization of HER2 + -specific lncRNA LINC01269 and TNBC-specific lncRNA AL078604.2 showed nuclear localization and altered expression of hundreds of genes enriched in cancer-promoting processes, including apoptosis, cell proliferation and immune cell regulation. This work emphasizes the importance of considering the heterogeneity of breast cancer subtypes and the need for subtype-specific analyses to fully uncover the relevance and potential impact of lncRNAs. Collectively, these findings demonstrate the contribution of lncRNAs to the distinct molecular, prognostic, and cellular composition of breast cancer subtypes.
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Affiliation(s)
| | | | - Hannah F Cahill
- Department of Pathology, Dalhousie University, Halifax, NS B3H4R2, Canada
| | - Meghan E McLean
- Department of Pathology, Dalhousie University, Halifax, NS B3H4R2, Canada
| | - Cheryl A Dean
- Department of Pathology, Dalhousie University, Halifax, NS B3H4R2, Canada
| | - Paola Marcato
- Department of Pathology, Dalhousie University, Halifax, NS B3H4R2, Canada; Department of Microbiology & Immunology, Dalhousie University, Halifax, NS B3H4R2, Canada; Nova Scotia Health Authority, Halifax, NS B3H1V8, Canada.
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Dirimtekin E, Mortoglou M, Alavanda C, Benomar Yemlahi A, Arslan Ates E, Guney I, Uysal-Onganer P. miR-34a-FOXP1 Loop in Ovarian Cancer. ACS OMEGA 2023; 8:27743-27750. [PMID: 37546627 PMCID: PMC10399168 DOI: 10.1021/acsomega.3c03867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/10/2023] [Indexed: 08/08/2023]
Abstract
Ovarian cancer (OC) is the main cause of gynecological cancer mortality in most developed countries. microRNA (miR) expression dysregulation has been highlighted in human cancers, and miR-34a is found to be downregulated and associated with inhibition of tumor growth and invasion in several malignancies, including OC. The winged helix transcription factor forkhead box P1 (FOXP1) is reported as either an oncogene or tumor suppressor in various cancers. This study aimed to elucidate potential clinical and biological associations of miR-34a and transcription factor FOXP1 in OC. We investigated nine OC patients' blood samples and two OC cell lines (SKOV-3 and OVCAR-3) using quantitative real-time reverse transcription polymerase chain reaction (RT-qPCR) to determine both miR-34a and FOXP1 expressions. We have found that miR-34a and FOXP1 are reversely correlated in both in vitro and in vivo. Inhibition of miR-34a transiently led to upregulation of FOXP1 mRNA expression and increased cellular invasion in vitro. Our data indicate that miR-34a could be a potential biomarker for improving the diagnostic efficiency of OC, and miR-34a overexpression may reduce OC pathogenesis by targeting FOXP1.
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Affiliation(s)
- Esra Dirimtekin
- Department
of Medical Genetics, School of Medicine, Marmara University, 34854 Istanbul, Turkey
| | - Maria Mortoglou
- Cancer
Mechanisms and Biomarkers Research Group, School of Life Sciences, University of Westminster, W1W 6UW London, U.K.
| | - Ceren Alavanda
- Department
of Medical Genetics, School of Medicine, Marmara University, 34854 Istanbul, Turkey
- Department
of Medical Genetics, Van Training and Research Hospital, University of Health Sciences, 65170 Van, Turkey
| | - Asmaa Benomar Yemlahi
- Cancer
Mechanisms and Biomarkers Research Group, School of Life Sciences, University of Westminster, W1W 6UW London, U.K.
| | - Esra Arslan Ates
- Department
of Medical Genetics, Istanbul University-Cerrahpasa,
Cerrahpasa Faculty of Medicine, 34098 Istanbul, Turkey
| | - Ilter Guney
- Department
of Medical Genetics, School of Medicine, Marmara University, 34854 Istanbul, Turkey
| | - Pinar Uysal-Onganer
- Cancer
Mechanisms and Biomarkers Research Group, School of Life Sciences, University of Westminster, W1W 6UW London, U.K.
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Cancer-associated fibroblast-specific lncRNA LINC01614 enhances glutamine uptake in lung adenocarcinoma. J Hematol Oncol 2022; 15:141. [PMID: 36209111 PMCID: PMC9548164 DOI: 10.1186/s13045-022-01359-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 10/02/2022] [Indexed: 11/21/2022] Open
Abstract
Background Besides featured glucose consumption, recent studies reveal that cancer cells might prefer “addicting” specific energy substrates from the tumor microenvironment (TME); however, the underlying mechanisms remain unclear. Methods Fibroblast-specific long noncoding RNAs were screened using RNA-seq data of our NJLCC cohort, TCGA, and CCLE datasets. The expression and package of LINC01614 into exosomes were identified using flow cytometric sorting, fluorescence in situ hybridization (FISH), and quantitative reverse transcription polymerase chain reaction (RT-PCR). The transfer and functional role of LINC01614 in lung adenocarcinoma (LUAD) and CAFs were investigated using 4-thiouracil-labeled RNA transfer and gain- and loss-of-function approaches. RNA pull-down, RNA immunoprecipitation, dual-luciferase assay, gene expression microarray, and bioinformatics analysis were performed to investigate the underlying mechanisms involved. Results We demonstrate that cancer-associated fibroblasts (CAFs) in LUAD primarily enhance the glutamine metabolism of cancer cells. A CAF-specific long noncoding RNA, LINC01614, packaged by CAF-derived exosomes, mediates the enhancement of glutamine uptake in LUAD cells. Mechanistically, LINC01614 directly interacts with ANXA2 and p65 to facilitate the activation of NF-κB, which leads to the upregulation of the glutamine transporters SLC38A2 and SLC7A5 and eventually enhances the glutamine influx of cancer cells. Reciprocally, tumor-derived proinflammatory cytokines upregulate LINC01614 in CAFs, constituting a feedforward loop between CAFs and cancer cells. Blocking exosome-transmitted LINC01614 inhibits glutamine addiction and LUAD growth in vivo. Clinically, LINC01614 expression in CAFs is associated with the glutamine influx and poor prognosis of patients with LUAD. Conclusion Our study highlights the therapeutic potential of targeting a CAF-specific lncRNA to inhibit glutamine utilization and cancer progression in LUAD. Supplementary Information The online version contains supplementary material available at 10.1186/s13045-022-01359-4.
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Chen LJ, Wu L, Wang W, Zhai LL, Xiang F, Li WB, Tang ZG. Long non‑coding RNA 01614 hyperactivates WNT/β‑catenin signaling to promote pancreatic cancer progression by suppressing GSK‑3β. Int J Oncol 2022; 61:116. [PMID: 35929518 PMCID: PMC9387559 DOI: 10.3892/ijo.2022.5406] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 06/24/2022] [Indexed: 11/06/2022] Open
Abstract
Pancreatic cancer (PC) is a lethal type of cancer for which effective therapies are limited. Long non-coding RNAs (lncRNAs) represent a critical type of regulator category, mediating the tumorigenesis and development of various tumor types, including PC. However, the expression patterns and functions of numerous lncRNAs in PC remain poorly understood. In the present study, linc01614 was identified as a PC-related lncRNA. linc01614 was notably upregulated in PC tissues and cell lines and was associated with the poor disease-free survival of patients with PC according to the analysis of The Cancer Genome Atlas-derived datasets. Functionally, linc01614 knockdown suppressed PC cell proliferation, migration and invasion in vitro, and inhibited tumor proliferation in vitro and in vivo. Mechanistically, linc01614 overexpression stabilized the level of β-catenin protein to hyperactivate the WNT/β-catenin signaling pathway in PC cells. Further analyses revealed that linc01614 bound to GSK-3β and perturbed the interaction between GSK-3β and AXIN1, thereby preventing the formation of the β-catenin degradation complex and reducing the degradation of β-catenin. In summary, the present findings reveal that linc01614 may function as an oncogene and promote the progression of PC and may thus be considered as a potential therapeutic target in the future.
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Affiliation(s)
- Long-Jiang Chen
- Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Lun Wu
- Department of Breast and Τhyroid Surgery, Experiment Center of Medicine, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei 442008, P.R. China
| | - Wei Wang
- Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Lu-Lu Zhai
- Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Feng Xiang
- Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Wei-Bo Li
- Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Zhi-Gang Tang
- Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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Hou Y, Zhou M, Li Y, Tian T, Sun X, Chen M, Xu W, Lu M. Risk SNP-mediated LINC01614 upregulation drives head and neck squamous cell carcinoma progression via PI3K/AKT signaling pathway. Mol Carcinog 2022; 61:797-811. [PMID: 35687049 DOI: 10.1002/mc.23422] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 11/11/2022]
Abstract
As potential biomarkers and therapeutic targets, long noncoding RNAs (lncRNAs) are involved in the tumorigenesis of various tumors. Genetic variation in long noncoding regions can lead to lncRNA dysfunction and even cancer. Nevertheless, studies on the association between lncRNA-associated single-nucleotide polymorphisms (SNPs) and the risk of head and neck squamous cell carcinoma (HNSCC) remain inadequate. Here, we aimed to explore the association between SNPs in LINC01614 and HNSCC risk, and the potential role of LINC01614 in tumorigenesis. In this study, we found that rs16854802 A > G (odds ratio [OR] = 1.42, 95% confidence interval [CI]: 1.22-1.77, p < 0.001) and rs3113503 G > C (OR = 1.38, 95% CI: 1.15-1.64, p < 0.001) in LINC01614 increased the risk of HNSCC in the Chinese population. Functional bioinformatic analysis and luciferase reporter assay revealed that rs3113503 G > C variant disrupted the binding of miRNA-616-3p to LINC01614, which resulted in the increased expression of LINC01614. Further analysis of the TCGA database demonstrated that the upregulated LINC01614 in HNSCC cancer tissues was associated with poor prognostic in HNSCC patients. In vitro experiments showed that knockdown of LINC01614 inhibited the proliferation, invasion, and migration ability of HNSCC cells. Mechanistically, allele C of rs3113503 in LINC01614 was more effective than allele G in activating the PI3K/AKT signaling pathway. Moreover, the reduced expression of LINC01614 also inhibited the activation of the PI3K/AKT signaling pathway. In summary, our findings revealed that the risk SNP rs3113503 G > C in LINC01614 altered the binding to miR-616-3p, which led to increased LINC01614 expression and promoted HNSCC progression by activating the PI3K/AKT signaling pathway.
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Affiliation(s)
- Yaxuan Hou
- Department of Epidemiology and Biostatistics, and The Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meng Zhou
- Department of Epidemiology and Biostatistics, and The Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuncheng Li
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Tian
- Department of Epidemiology and Biostatistics, and The Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xun Sun
- Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Mo Chen
- Department of Epidemiology and Biostatistics, and The Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Guidance Center for Social Psychological Service, Wuhan Mental Health Center, Huazhong University of Science and Technology, Wuhan, China
| | - Wenmao Xu
- Department of Epidemiology and Biostatistics, and The Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Public Health, Wuhan No. 1 Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Meixia Lu
- Department of Epidemiology and Biostatistics, and The Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Li Q, Shen Z, Shen Y, Deng H, Shen Y, Wang J, Zhan G, Zhou C. Identification of immune-related lncRNA panel for predicting immune checkpoint blockade and prognosis in head and neck squamous cell carcinoma. J Clin Lab Anal 2022; 36:e24484. [PMID: 35561269 PMCID: PMC9169191 DOI: 10.1002/jcla.24484] [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: 02/25/2022] [Revised: 04/16/2022] [Accepted: 04/27/2022] [Indexed: 11/12/2022] Open
Abstract
Purpose Immunotherapy is changing head and neck squamous cell carcinoma (HNSCC) treatment pattern. According to the Chinese Society of Clinical Oncology (CSCO) guidelines, immunotherapy has been deemed as first‐line recommendation for recurrent/metastatic HNSCC, marking that advanced HNSCC has officially entered the era of immunotherapy. Long non‐coding RNAs (lncRNAs) impact every step of cancer immunity. Therefore, reliable immune‐lncRNAs able to accurately predict the immune landscape and survival of HNSCC are crucial to clinical management. Methods In the current study, we downloaded the transcriptomic and clinical data of HNSCC from The Cancer Genome Atlas and identified differentially expressed immune‐related lncRNAs (DEir‐lncRNAs). Further then, Cox and least absolute shrinkage and selection operator (LASSO) regression analyses were performed to identify proper DEir‐lncRNAs to construct optimal risk model. Low‐risk and high‐risk groups were classified based on the optimal cut‐off value generated by the areas under curve for receiver operating characteristic curves (AUC), and Kaplan–Meier survival curves were utilized to validate the prediction model. We then evaluated the model based on the clinical factors, immune cell infiltration, and chemotherapeutic and immunotherapeutic efficacy between two groups. Results In our study, we identified 256 Deir‐lncRNAs in HNSCC. A total of 18 Deir‐lncRNA pairs (consisting of 35 Deir‐lncRNAs) were used to construct a risk model significantly associated with survival of HNSCC. Cox proportional hazard regression analysis confirmed that our risk model could be served as an independent prognostic indicator. Besides, HNSCC patients with low‐risk score significantly enriched of CD8+ T cell, and corelated with high chemosensitivity and immunotherapeutic sensitivity. Conclusion Our risk model could be served as a promising clinical prediction indicator, effective discoursing of the immune cell infiltration of HNSCC patients, and distinguishing patients who could benefit from chemotherapy and immunotherapy.
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Affiliation(s)
- Qun Li
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
| | - Zhisen Shen
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
| | - Yi Shen
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
| | - Hongxia Deng
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
| | - Yiming Shen
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
| | - Jianing Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
| | - Guowen Zhan
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Yinzhou Second Hospital, Ningbo, Zhejiang Province, China
| | - Chongchang Zhou
- Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang Province, China
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Du H, Mu R, Liu L, Liu H, Luo S, Patz EF, Glass C, Su L, Du M, Christiani DC, Li H, Wei Q. Single nucleotide polymorphisms in FOXP1 and RORA of the lymphocyte activation-related pathway affect survival of lung cancer patients. Transl Lung Cancer Res 2022; 11:890-901. [PMID: 35693292 PMCID: PMC9186164 DOI: 10.21037/tlcr-22-104] [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: 06/22/2021] [Accepted: 04/28/2022] [Indexed: 01/12/2023]
Abstract
Background Lymphocyte activation is part of a complex microenvironment that affects the development and progression of solid tumors. The present study analyzed the associations between genetic variants in lymphocyte activation-related genes and survival of patients with non-small cell lung cancer (NSCLC). Methods Our study evaluated the associations of 14,400 (1,599 genotyped and 12,801 imputed) single-nucleotide polymorphisms (SNPs) in 176 lymphocyte activation pathway-related genes with survival of 1,185 NSCLC patients in the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial and validated the results in another independent dataset of 984 NSCLC patients from the Harvard Lung Cancer Susceptibility (HLCS) trial. Results Multivariable Cox proportional hazards regression analyses identified two distinct and possibly functional variants in forkhead box P1 (FOXP1; rs2568847 G>C) and RAR-related orphan receptor A (RORA; rs922782 T>G) that were significantly and independently associated with overall survival (OS) [adjusted hazards ratios (HRs) of 1.21 and 0.82, respectively; 95% confidence intervals (CI), 1.11 to 1.32 and 0.76 to 0.88, respectively; P=5.38×10-6 and 2.68×10-2, respectively]. Combined analysis of the unfavorable genotypes showed a significant correlation with both OS and disease-specific survival (DSS) in patients with NSCLC patients from PLCO trial (both Ptrend<0.0001). Further expression quantitative trait loci (eQTL) analysis using RORA mRNA expression and genotype data in the 1000 Genomes Project demonstrated that the RORA rs922782 G allele predicted mRNA expression levels. Conclusions Genetic variants in FOXP1 and RORA of the lymphocyte activation pathway may be promising predictors of NSCLC survival. The RORA rs922782 G allele may predict NSCLC survival, possibly by controlling RORA mRNA expression.
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Affiliation(s)
- Hailei Du
- Department of Thoracic Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China;,Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Rui Mu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Lihua Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA;,Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hongliang Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Sheng Luo
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, USA
| | - Edward F. Patz
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Departments of Radiology, Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC, USA
| | - Carolyn Glass
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Department of Pathology, Duke University School of Medicine, Durham, NC, USA
| | - Li Su
- Departments of Environmental Health and Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Mulong Du
- Departments of Environmental Health and Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - David C. Christiani
- Departments of Environmental Health and Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA;,Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Hecheng Li
- Department of Thoracic Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qingyi Wei
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA;,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA;,Department of Medicine, Duke University School of Medicine, Durham, NC, USA;,Duke Global Health Institute, Duke University, Durham, NC, USA
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11
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Potential Key Markers for Predicting the Prognosis of Gastric Adenocarcinoma Based on the Expression of Ferroptosis-Related lncRNA. J Immunol Res 2022; 2022:1249290. [PMID: 35528617 PMCID: PMC9076347 DOI: 10.1155/2022/1249290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/05/2022] [Accepted: 04/13/2022] [Indexed: 12/24/2022] Open
Abstract
Background. Gastric cancer is one of the most common malignant tumors, and it ranks third in global cancer-related mortality. This research was aimed at identifying new targeted treatments for gastric adenocarcinoma by constructing a ferroptosis-related lncRNA prognostic feature model. Methods. The gene expression profile and clinical data of gastric adenocarcinoma patients were downloaded from TCGA database. FerrDb database was used to determine the expression of iron death-related genes. We used R software to clean the TCAG gastric adenocarcinoma gene expression cohort and screen iron death-related differential genes and lncRNAs. The potential prognostic markers and immune infiltration characteristics were determined by constructing prognostic model and multivariate validation of lncRNA related to ferroptosis prognosis. Finally, the characteristics of immune infiltration were determined by immune correlation analysis. Results. We identified 26 ferroptosis-related lncRNAs with independent prognostic value. The Kaplan-Meier analysis identified high-risk lncRNAs associated with poor prognosis of STAD. The risk scoring model constructed by AC115619.1, AC005165.1, LINC01614, and AC002451.1 was better than traditional clinicopathological features. The 1-, 3-, and 5-year survival rates of STAD patients were predicted by the nomogram. GSEA reveals the oxidative respiration and tumor-related pathways in different risk groups. Immune analysis found significant differences in the expression of immune checkpoint-related genes TNFSF9, TNFSF4, and PDCD1LG2 between the two groups of patients. Meanwhile, there were significant differences in APC co stimulation, CCR, and checkpoint between the two groups. Conclusion. Based on the prognostic characteristics of ferroptosis-related lncRNAs, we identified the potential ferroptosis-related lncRNAs and immune infiltration characteristics in gastric adenocarcinoma, which will help provide new targeted treatments for gastric adenocarcinoma.
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SIX5-activated LINC01468 promotes lung adenocarcinoma progression by recruiting SERBP1 to regulate SERPINE1 mRNA stability and recruiting USP5 to facilitate PAI1 protein deubiquitylation. Cell Death Dis 2022; 13:312. [PMID: 35387981 PMCID: PMC8987051 DOI: 10.1038/s41419-022-04717-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 02/11/2022] [Accepted: 03/09/2022] [Indexed: 11/30/2022]
Abstract
Increasing research has uncovered the involvement of long noncoding RNAs (lncRNAs) in the progression of multiple cancers including lung adenocarcinoma (LUAD). RT-qPCR and western blot were done to measure RNAs and proteins. Functional assays assessed LUAD cell biological behaviors under knockdown or overexpression of LINC01468, SIX5, SERBP1 or SERPINE1, and the specific function of those genes in regulating LUAD progression was evaluated via animal experiments. Supported by bioinformatics analysis, the interaction among genes was verified via mechanism assays. Upregulation of LINC01468 in LUAD tissues and cells as well as its association with poor clinical outcome was predicted. LINC01468, transcriptionally activated by SIX5, could strengthen proliferative, migratory and invasive abilities of LUAD cells. The oncogenic role of LINC01468 was further validated via animal experiments. SIX5 was a positive transcription regulator of LINC01468 and could exacerbate LUAD cell malignant behaviors. LINC01468 could recruit SERBP1 to enhance SERPINE1 mRNA stability and interact with USP5 to affect PAI1 protein ubiquitination. The oncogenic role of SERBP1 and SERPINE1 was also confirmed. Rescue experiments finally verified LINC01468 modulated proliferation, migration and invasion of LUAD cells via upregulation of SERPINE1. Our observations could contribute to deeper understanding of LUAD.
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13
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Wang G, Sun L, Wang S, Guo J, Xiao R, Li W, Qi W, Qiu W. Ferroptosis‑related long non‑coding RNAs and the roles of LASTR in stomach adenocarcinoma. Mol Med Rep 2022; 25:118. [PMID: 35137922 PMCID: PMC8855154 DOI: 10.3892/mmr.2022.12634] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/11/2022] [Indexed: 12/24/2022] Open
Abstract
Ferroptosis is a form of programmed cell death that participates in diverse physiological processes. Increasing evidence suggests that long noncoding RNAs (lncRNAs) regulate ferroptosis in tumors, including stomach adenocarcinoma (STAD). In the present study, RNA-sequencing data from The Cancer Genome Atlas database and ferroptosis-related markers from the FerrDb data resource were analyzed to select differentially expressed lncRNAs. Univariate and multivariate Cox regression analyses were performed on these differentially expressed lncRNAs to screen 12 lncRNAs linked with overall survival (OS) and 13 associated with progression-free survival (PFS). Subsequently, two signatures for predicting OS and PFS were established based on these lncRNAs. Kaplan-Meier analyses indicated that the high-risk group of patients with STAD had relatively poor prognosis. The areas under the receiver operating characteristic curves of the two signatures indicated their excellent efficacy in predicting STAD prognosis. In addition, the effect of the lncRNA LASTR on proliferation and migration in gastric cancer was confirmed and the relationship between LASTR and ferroptosis was initially explored through experiments. These results provide potential novel targets for tumor treatment and promote personalized medicine.
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Affiliation(s)
- Gongjun Wang
- Department of Medicine, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Libin Sun
- Department of Oncology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Shasha Wang
- Department of Oncology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Jing Guo
- Department of Oncology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Ruoxi Xiao
- Department of Medicine, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Wenqian Li
- Department of Medicine, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Weiwei Qi
- Department of Oncology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Wensheng Qiu
- Department of Oncology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
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Yan S, Xu J, Liu B, Ma L, Tan H, Fang C. Integrative bioinformatics analysis identifies LINC01614 as a potential prognostic signature in esophageal cancer. Transl Cancer Res 2022; 10:1804-1812. [PMID: 35116503 PMCID: PMC8798299 DOI: 10.21037/tcr-20-2529] [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: 07/14/2020] [Accepted: 02/07/2021] [Indexed: 12/26/2022]
Abstract
Background Esophageal cancer (EC) is one of the most common gastrointestinal cancers and the incidence is on the increase in recent years. The aim of the present study was to assess novel long non-coding RNA (lncRNA) biomarkers for the prognosis of EC through the analysis of gene expression microarrays. Methods Three datasets (GSE53622, GSE53624, and GSE53625) were downloaded from the Gene Expression Omnibus (GEO) database and EC patients’ clinical information were from The Cancer Genome Atlas (TCGA) databases. Differentially expressed genes (DEGs) were screened by comparing tumor tissues with normal tissues using limma R package. The Gene Expression Profiling Interactive Analysis 2 (GEPIA2) database was used to obtain the novel lncRNAs and their co-expression genes in EC and these were visualized with the Cytoscape software. The Kyoto Encyclopedia of Genes and Genomes (KEGG) Orthology Based Annotation System (KOBAS) database was used to analyze the functions enrichment of selected DEGs. Cell Counting Kit-8 (CCK8) and Transwell assays were used to further confirm the function of target lncRNAs. Results We identified 24 differentially expressed (DE) lncRNAs and 659 DE mRNAs from the intersection of GEO and TCGA databases. And we found that only LINC01614 was concerned with a candidate prognostic signature in EC. “Extracellular matrix (ECM)-receptor interaction” and “PI3K-Akt signaling pathway” were observed, and we constructed a lncRNA-mRNA co-expression network for EC that includes LINC01614 and 64 mRNAs. The results of CCK8 and Transwell assays showed that suppression of LINC01614 inhibited EC cell proliferation and migration. Conclusions Our study might provide LINC01614 as a novel lncRNA biomarker for diagnosis and prognosis in EC.
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Affiliation(s)
- Shuo Yan
- Department of Interventional Radiology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jichong Xu
- Department of Interventional Radiology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Bingyan Liu
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lin Ma
- Department of Interventional Radiology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Huaqiao Tan
- Department of Interventional Radiology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chun Fang
- Department of Interventional Radiology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
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15
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Liu J, Feng Y, Zeng X, He M, Gong Y, Liu Y. LncRNA VPS9D1-AS1 Promotes Malignant Progression of Lung Adenocarcinoma by Targeting miRNA-30a-5p/KIF11 Axis. Front Genet 2022; 12:807628. [PMID: 35140744 PMCID: PMC8819668 DOI: 10.3389/fgene.2021.807628] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/15/2021] [Indexed: 11/20/2022] Open
Abstract
Objective: This research probed into the molecular mechanisms of long non-coding RNA (lncRNA) VPS9D1 Antisense RNA 1 (VPS9D1-AS1) in lung adenocarcinoma (LUAD). Methods: lncRNA expression level was evaluated bioinformatically, and its downstream miRNA/mRNA regulatory axis was predicted by bioinformatics methods as well. qRT-PCR was used to measure VPS9D1-AS1, miRNA-30a-5p, and kinesin family member 11 (KIF11) expression. Western blot was performed to measure KIF11 protein expression. Proliferation, migration, and invasion of LUAD cells were all observed by cell biological function experiments. Dual-luciferase assay detected binding between miRNA-30a-5p and VPS9D1-AS1 or KIF11, respectively. RIP experiment detected interaction between VPS9D1-AS1 and miRNA-30a-5p. Results: VPS9D1-AS1 and KIF11 were increased in LUAD, whereas miRNA-30a-5p was decreased. VPS9D1-AS1 promoted the malignant progression of LUAD cells and could sponge miRNA-30a-5p. MiRNA-30a-5p could restore the impact of VPS9D1-AS1 on LUAD cells. KIF11 was a target downstream of miRNA-30a-5p. VPS9D1-AS1 could upregulate KIF11 expression through competitively sponging miRNA-30a-5p, and KIF11 could restore the impact of miRNA-30a-5p on LUAD cells. Conclusion: VPS9D1-AS1 could foster malignant progression of LUAD via regulating miRNA-30a-5p/KIF11 axis, suggesting that VPS9D1-AS1 is key to regulating the malignant progression of LUAD.
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Affiliation(s)
- Jiefeng Liu
- Department of General Surgery, Changsha Hospital Affiliated to Hunan Normal University/the Fourth Hospital of Changsha, Changsha, China
| | - Yuhua Feng
- Department of Oncology, the Second Xiangya Hospital Central South University, Changsha, China
| | - Xinyu Zeng
- Department of General Surgery, Changsha Hospital Affiliated to Hunan Normal University/the Fourth Hospital of Changsha, Changsha, China
| | - Miao He
- Department of General Surgery, Changsha Hospital Affiliated to Hunan Normal University/the Fourth Hospital of Changsha, Changsha, China
| | - Yujing Gong
- Department of General Surgery, Changsha Hospital Affiliated to Hunan Normal University/the Fourth Hospital of Changsha, Changsha, China
| | - Yiping Liu
- Department of Oncology, Xiangya Hospital Central South University, Changsha, China
- *Correspondence: Yiping Liu,
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16
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Lai D, Tan L, Zuo X, Liu D, Jiao D, Wan G, Lu C, Shen D, Gu X. Prognostic Ferroptosis-Related lncRNA Signatures Associated With Immunotherapy and Chemotherapy Responses in Patients With Stomach Cancer. Front Genet 2022; 12:798612. [PMID: 35047016 PMCID: PMC8762254 DOI: 10.3389/fgene.2021.798612] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/06/2021] [Indexed: 01/10/2023] Open
Abstract
Ferroptosis is associated with the prognosis and therapeutic responses of patients with various cancers. LncRNAs are reported to exhibit antitumor or oncogenic functions. Currently, few studies have assessed the combined effects of ferroptosis and lncRNAs on the prognosis and therapy of stomach cancer. In this study, transcriptomic and clinical data were downloaded from TCGA database, and ferroptosis-related genes were obtained from the FerrDb database. Through correlation analysis, Cox analysis, and the Lasso algorithm, 10 prognostic ferroptosis-related lncRNAs (AC009299.2, AC012020.1, AC092723.2, AC093642.1, AC243829.4, AL121748.1, FLNB-AS1, LINC01614, LINC02485, LINC02728) were screened to construct a prognostic model, which was verified in two test cohorts. Risk scores for patients with stomach cancer were calculated, and patients were divided into two risk groups. The low-risk group, based on the median value, had a longer overall survival time in the KM curve, and a lower proportion of dead patients in the survival distribution curve. Potential mechanisms and possible functions were revealed using GSEA and the ceRNA network. By integrating clinical information, the association between lncRNAs and clinical features was analyzed and several features affecting prognosis were identified. Then, a nomogram was developed to predict survival rates, and its good predictive performance was indicated by a relatively high C-index (0.67118161) and a good match in calibration curves. Next, the association between these lncRNAs and therapy was explored. Patients in the low-risk group had an immune-activating environment, higher immune scores, higher TMB, lower TIDE scores, and higher expression of immune checkpoints, suggesting they might receive a greater benefit from immune checkpoint inhibitor therapy. In addition, a significant difference in the sensitivity to mitomycin. C, cisplatin, and docetaxel, but not etoposide and paclitaxel, was observed. In summary, this model had guiding significance for prognosis and personalized therapy. It helped screen patients with stomach cancer who might benefit from immunotherapy and guided the selection of personalized chemotherapeutic drugs.
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Affiliation(s)
- Donlin Lai
- Shanghai Key Laboratory of Molecular Imaging, Zhoupu Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China.,School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Lin Tan
- The Affiliated Zhuzhou Hospital Xiangya Medical College CSU, Zhuzhou, China
| | - Xiaojia Zuo
- Shanghai Key Laboratory of Molecular Imaging, Zhoupu Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - DingSheng Liu
- Shanghai Key Laboratory of Molecular Imaging, Zhoupu Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Deyi Jiao
- School of Pharmacy, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Guoqing Wan
- Shanghai Key Laboratory of Molecular Imaging, Zhoupu Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Changlian Lu
- Shanghai Key Laboratory of Molecular Imaging, Zhoupu Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Dongjie Shen
- Department of General Surgery, Ruijin Hospital Luwan Branch, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xuefeng Gu
- Shanghai Key Laboratory of Molecular Imaging, Zhoupu Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China.,School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China.,School of Pharmacy, Shanghai University of Medicine and Health Sciences, Shanghai, China
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17
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Zou J, Gu Y, Zhu Q, Li X, Qin L. Identifying Glycolysis-related LncRNAs for predicting prognosis in breast cancer patients. Cancer Biomark 2022; 34:393-401. [PMID: 35068448 PMCID: PMC9198763 DOI: 10.3233/cbm-210446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE: Functions associated with glycolysis could serve as targets or biomarkers for therapy cancer. Our purpose was to establish a prognostic model that could evaluate the importance of Glycolysis-related lncRNAs in breast cancer. METHODS: Gene expressions were evaluated for breast cancer through The Cancer Genome Atlas (TCGA) database, and we calculated Pearson correlations to discover potential related lncRNAs. Differentially expressed genes were identified via criteria of FDR < 0.05 and |FC|> 2. Total samples were separated into training and validating sets randomly. Univariate Cox regression identified 14 prognostic lncRNAs in training set. A prognostic model was constructed to evaluate the accuracy in predicting prognosis. The univariate and multivariate Cox analysis were performed to verify whether lncRNA signature could be an independent prognostic factor The signature was validated in validating set. Immune infiltration levels were assessed. RESULTS: Eighty-nine differentially expressed lncRNAs were identified from 420 Glycolysis-related lncRNAs. 14 lncRNAs were correlated with prognosis in training set and were selected to establish the prognostic model. Low risk group had better prognosis in both training (p= 9.025 e -10) and validating (p= 4.272 e -3) sets. The univariate and multivariate Cox analysis revealed that risk score of glycolysis-related lncRNAs (P< 0.001) was an independent prognostic factor in both training and validating sets. The neutrophils (p= 4.214 e -13, r=-0.223), CD4+ T cells (p= 1.833 e -20, r=-0.283), CD8+ T cells (p= 7.641 e -12, r=-0.211), B cells (p= 2.502 e -10, r=-0.195) and dendritic cells (p= 5.14 e -18, r=-0.265) were negatively correlated with risk score of prognostic model. The Macrophage (p= 0.016, r= 0.0755) was positively correlated with the risk score. CONCLUSION: Our study indicated that glycolysis-related lncRNAs had a significant role to facilitate the individualized survival prediction in breast cancer patients, which would be a potential therapeutic target.
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Affiliation(s)
- Jiayue Zou
- Department of Hepatobiliary Surgery, General Surgery, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yanlin Gu
- Department of Thyroid and Breast Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Qi Zhu
- Department of Thyroid and Breast Surgery, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Xiaohua Li
- Department of Thyroid and Breast Surgery, Wuzhong People’s Hospital of Suzhou City, Suzhou, Jiangsu, China
| | - Lei Qin
- Department of Hepatobiliary Surgery, General Surgery, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Sheng W, Zhou W, Cao Y, Zhong Y. Revealing the Role of lncRNA CCDC144NL-AS1 and LINC01614 in Gastric Cancer via Integrative Bioinformatics Analysis and Experimental Validation. Front Oncol 2022; 11:769563. [PMID: 35083139 PMCID: PMC8784853 DOI: 10.3389/fonc.2021.769563] [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: 09/02/2021] [Accepted: 12/01/2021] [Indexed: 11/13/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are key regulators in the pathophysiology of gastric cancer, and lncRNAs have been regarded as potential biomarkers and therapeutic targets for gastric cancer. The present study performed the WGCNA analysis of the GSE70880 dataset and aimed to identify novel lncRNAs associated with gastric cancer progression. Based on the WGCNA, the lncRNAs and mRNA co-expression network were constructed. A total of four modules were identified and the eigengenes in different modules were involved in various key signaling pathways. Furthermore, the co-expression networks were constructed between the lncRNAs and mRNA; this leads to the identification of 6 modules, which participated in various cellular pathways. The survival analysis showed that high expression of CCDC144NL antisense RNA 1 (CCDC144NL-AS1) and LINC01614 was positively correlated with the poor prognosis of patients with gastric cancer. The in vitro validation results showed that CCDC144NL-AS1 and LINC01614 were both up-regulated in the gastric cancer cells. Silence of CCDC144NL-AS1 and LINC01614 both significantly suppressed the cell proliferation and migration of gastric cancer cells, and also promoted the chemosensitivity of gastric cancer cells to 5-fluorouracil. Collectively, our results suggested that the newly identified two lncRNAs (CCDC144NL-AS1 and LINC01614) may act as oncogenes in gastric cancer.
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Affiliation(s)
- Weiwei Sheng
- Physical Examination Center, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Weihong Zhou
- Physical Examination Center, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Yundi Cao
- Department of Oncology, Affiliated Taikang Xianlin Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yuejiao Zhong
- Department of Medical Oncology, Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research and The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
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Hamidi AA, Zangoue M, Kashani D, Zangouei AS, Rahimi HR, Abbaszadegan MR, Moghbeli M. MicroRNA-217: a therapeutic and diagnostic tumor marker. Expert Rev Mol Diagn 2021; 22:61-76. [PMID: 34883033 DOI: 10.1080/14737159.2022.2017284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Cancer as one of the most common causes of death has always been one of the major health challenges globally. Since, the identification of tumors in the early tumor stages can significantly reduce mortality rates; it is required to introduce novel early detection tumor markers. MicroRNAs (miRNAs) have pivotal roles in regulation of cell proliferation, migration, apoptosis, and tumor progression. Moreover, due to the higher stability of miRNAs than mRNAs in body fluids, they can be considered as non-invasive diagnostic or prognostic markers in cancer patients. AREAS COVERED In the present review we have summarized the role of miR-217 during tumor progressions. The miR-217 functions were categorized based on its target molecular mechanisms and signaling pathways. EXPERT OPINION It was observed that miR-217 mainly exerts its function by regulation of the transcription factors during tumor progressions. The WNT, MAPK, and PI3K/AKT signaling pathways were also important molecular targets of miR-217 in different cancers. The present review clarifies the molecular biology of miR-217 and paves the way of introducing miR-217 as a non-invasive diagnostic marker and therapeutic target in cancer therapy.
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Affiliation(s)
- Amir Abbas Hamidi
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Malihe Zangoue
- Department of Anesthesiology, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Daniel Kashani
- Department of Internal Medicine, State University of New York, Downstate Medical Center, Brooklyn, NY, USA
| | - Amir Sadra Zangouei
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Reza Rahimi
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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20
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Wang Z, Yan H, Cheng D, Xu L, Shen T, Chen Y, Han R, Xue Y. Novel lncRNA LINC01614 Facilitates Bladder Cancer Proliferation, Migration and Invasion Through the miR-217/RUNX2/Wnt/β-Catenin Axis. Cancer Manag Res 2021; 13:8387-8397. [PMID: 34795524 PMCID: PMC8593351 DOI: 10.2147/cmar.s330019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022] Open
Abstract
Background LncRNA plays a vital role in tumorigenesis and development. This study aimed to explore the novel lncRNA affecting bladder cancer progression. Methods The open-access data of bladder cancer patients, including transcriptome profiles and corresponding clinical information were all obtained from The Cancer Genome Atlas database. All the statistical analysis were performed using R software, SPSS and GraphPad Prism 8. CCK8, colony formation, apoptosis detection and tumorigenicity assay were used to assess cell proliferation ability. Transwell assay and wound-healing assay were used to evaluate cell metastasis potential. Results Our result showed that the lncRNA LINC01614 was highly expressed in bladder cancer tissue and cell lines. Meanwhile, patients with high LINC01614 expression level tend to have poor clinical features and shorter survival time. Further experiments demonstrated that the inhibition of LINC01614 could significantly hamper the proliferation and invasion of bladder cancer cells. Then, we found that the LINC01614 could regulate RUNX2 expression through miR-137. GSEA analysis indicated that the Wnt/β-catenin signaling pathway might be the downstream pathway of LINC01614. Further experiments showed that the LINC01614 act as an oncogene in bladder cancer partly depending on the RUNX2/Wnt/β-catenin axis, making it an underlying therapeutic target. Conclusion In all, LINC01614 facilitates bladder cancer cells proliferation, migration and invasion through the miR-217/RUNX2/Wnt/β-catenin axis.
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Affiliation(s)
- Zhen Wang
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Huilin Yan
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Dingcai Cheng
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Lei Xu
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Tianming Shen
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Yi Chen
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Rongbo Han
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
| | - Yanshi Xue
- Department of Urology, Taixing People's Hospital, Taixing City, 225400, Jiangsu Province, People's Republic of China
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Wu H, Zhou J, Chen S, Zhu L, Jiang M, Liu A. Survival-Related lncRNA Landscape Analysis Identifies LINC01614 as an Oncogenic lncRNA in Gastric Cancer. Front Genet 2021; 12:698947. [PMID: 34691143 PMCID: PMC8526963 DOI: 10.3389/fgene.2021.698947] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/23/2021] [Indexed: 12/13/2022] Open
Abstract
Background: Long non-coding RNAs (lncRNAs) reportedly play important roles in biomarker and tumorigenesis of gastric cancer (GC). This study aimed to determine the potential application of prognostic lncRNA signature and identified the role of LINC01614 in carcinogenesis in GC. Material and Methods: Data accessed from the Cancer Genome Atlas database was used to construct a lncRNA signature. Joint effect analysis of the signature and clinical parameters was performed to verify the clinical value of the signature. Co-expression analysis was conducted for prognostic lncRNAs and protein-coding genes. Moreover, the relative expression of LINC01614 was validated in GC tissues and cell lines. In vitro and in vivo experiments were conducted to analyze the biological functions of the newly identified gene in GC cells. Results: A seven-lncRNA (LINC01614, LINC01537, LINC01210, OVAAL, LINC01446, CYMP-AS1, and SCAT8) signature was identified as a promising prognostic signature in GC. Results indicated that the seven-lncRNA was involved in tumorigenesis and progression pathways. LINC01614 expression was identified and found to be upregulated in GC tissues and cells. The study findings revealed that LINC01614 promoted cell proliferation, migration, invasion, and epithelial-mesenchymal transition. Knockdown of LINC01614 arrested cell cycle distribution at the G2/M phase. Further, LINC01614 also promoted tumor growth in vivo. Conclusion: We developed an independent seven-lncRNA biomarker for prognostic prediction and identified LINC01614 as an oncogenic lncRNA in GC.
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Affiliation(s)
- Huijie Wu
- Department of Endoscopy Center, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Jingyuan Zhou
- Department of Endoscopy Center, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Songda Chen
- Department of Endoscopy Center, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Lingyu Zhu
- Department of Endoscopy Center, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Mengjie Jiang
- Department of Endoscopy Center, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Aiqun Liu
- Department of Endoscopy Center, Guangxi Medical University Cancer Hospital, Nanning, China
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22
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Pang J, Pan H, Yang C, Meng P, Xie W, Li J, Li Y, Xiao SY. Prognostic Value of Immune-Related Multi-IncRNA Signatures Associated With Tumor Microenvironment in Esophageal Cancer. Front Genet 2021; 12:722601. [PMID: 34659345 PMCID: PMC8516150 DOI: 10.3389/fgene.2021.722601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/03/2021] [Indexed: 12/15/2022] Open
Abstract
Esophageal cancer is the eighth most common cancer and the sixth leading cause of cancer death worldwide. Hence, for a better understanding of tumor microenvironment and to seek for novel molecular targets for esophageal cancer, we performed related studies on two histopathological subtypes of esophageal cancer: esophageal squamous cell carcinoma (ESCC) and esophageal adenocarcinoma (EAC). Bioinformatic analyses were conducted based on the RNA-seq, genomic mutation, and clinical data from TCGA and GEO cohorts. We clustered patients into high-immunity and low-immunity groups through the ssGSEA results. The ESTIMATE algorithm was used to evaluate the tumor microenvironment. Patients with high immunity in both ESCC and EAC had lower tumor purity and poor survival. Subsequently, CIBERSORT was performed to learn about the detailed difference of tumor-infiltrating lymphocytes (TILs) between high- and low-immunity patients. Specific increase of M2 macrophages and decrease of activated dendric cells can be observed in ESCC and EAC, respectively. The most enriched functions and pathways of high-immunity patients were immunoglobulin complex, MHC class II protein complex, and allograft rejection according to the GO terms and KEGG. Two prognostic immune-related multi-lncRNA risk models were constructed and validated by ROC curve and PCA in ESCC and EAC. High-risk patients in both subtypes had poor survival, advanced clinical characteristics, and higher drug susceptibility except cisplatin and sorafenib. In addition, the tumor mutation burden (TMB) was positively correlated with the risk level in the ESCC and EAC and showed distinct differences between the two subtypes. In summary, we comprehensively analyzed the tumor microenvironment for two subtypes of esophageal cancer, identified two multi-lncRNA signatures predictive for the prognosis, and explored the possibility of the signatures to forecast drug susceptibility as well as TMB for the first time. The findings may serve as a conceptual basis for innovative strategy of individualized immunotherapy for esophageal cancer.
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Affiliation(s)
- Jingjing Pang
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - He Pan
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Chunxiu Yang
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Pei Meng
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wen Xie
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jiahao Li
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yueying Li
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shu-Yuan Xiao
- Department of Pathology, Wuhan University Center for Pathology and Molecular Diagnostics, Zhongnan Hospital of Wuhan University, Wuhan, China.,Department of Pathology, University of Chicago Medicine, Chicago, IL, United States
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Shang B, Li Z, Li M, Jiang S, Feng Z, Cao Z, Wang H. Silencing LINC01116 suppresses the development of lung adenocarcinoma via the AKT signaling pathway. Thorac Cancer 2021; 12:2093-2103. [PMID: 34061456 PMCID: PMC8287011 DOI: 10.1111/1759-7714.14042] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 12/14/2022] Open
Abstract
Background A growing body of evidence has proven that long noncoding ribonucleic acids (lncRNAs) are important epigenetic regulators that play crucial parts in the pathogenesis of human cancers. Previous studies have shown that long intergenic nonprotein coding RNA 01116 (LINC01116) is a carcinogen in several carcinomas; however, its function in lung adenocarcinoma (LUAD) has not been clarified. Here, we aimed to investigate the role of LINC01116 in LUAD. Methods The relative expression levels of LINC01116 in LUAD cell lines and tissues were detected by quantitative reverse transcription polymerase chain reaction. A Kaplan–Meier survival analysis was performed using patient information from the Gene Expression Profiling Interactive Analysis (GEPIA) database. LUAD proliferation, invasion, migration, and apoptosis were measured by performing cell counting kit‐8, colony formation, transwell, wound healing, and flow cytometric assays. A xenograft animal experiment was performed to investigate the effect of LINC01116 in vivo. Protein kinase B (AKT) signaling pathway‐related protein expressions were tested by Western blot assay. Results LINC01116 expression was upregulated in LUAD cells and tissues. The loss‐of‐function experiments on LUAD cells revealed that silencing LINC01116 expression could decrease cell viability both in vitro and in vivo. Furthermore, silencing LINC01116 inhibited LUAD cell invasion and migration and induced cell apoptosis. Mechanically, silencing LINC01116 significantly decreased p‐AKT protein levels, and an AKT pathway stimulator could rescue the suppressive effects of small interfering LINC011116‐specific RNAs on LUAD development. Conclusions Our study demonstrated that silencing LINC01116 suppresses the development of LUAD via the AKT signaling pathway.
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Affiliation(s)
- Bin Shang
- Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhenxiang Li
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Meng Li
- Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shujuan Jiang
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhen Feng
- Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhixin Cao
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Hui Wang
- Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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24
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Zhu J, Lu Q, Li B, Li H, Wu C, Li C, Jin H. Potential of the cell-free blood-based biomarker uroplakin 2 RNA to detect recurrence after surgical resection of lung adenocarcinoma. Oncol Lett 2021; 22:520. [PMID: 34025787 PMCID: PMC8130048 DOI: 10.3892/ol.2021.12781] [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: 09/04/2019] [Accepted: 10/26/2020] [Indexed: 12/17/2022] Open
Abstract
Lung adenocarcinoma (LUAD) is the most common subtype of lung cancer, and ~30% of patients with LUAD develop cancer recurrence after surgery. The present study aimed to identify and validate biomarkers that may be used to monitor recurrence following LUAD surgery. Data from patients with LUAD were downloaded from The Cancer Genome Atlas database and postoperative recurrence samples were selected. Subsequently, weighted gene co-expression network analysis (WGCNA) was subsequently performed to identify key co-expression gene modules. Additionally, enrichment analysis of the key gene modules was performed using the Database for Annotation, Visualization and Integrated Discovery. Furthermore, survival analysis was performed on the most notable biomarker, uroplakin 2 (UPK2), which was downloaded from the Oncomine database, and its effect on prognosis was assessed. WGCNA identified 39 gene modules, of which one was most associated with recurrence. Among them, UPK2, kelch domain containing 3, galanin receptor 2 and tyrosinase-related protein 1 served a central role in the co-expression network and were significantly associated with the survival of patients. A total of 132 blood samples were collected from patients with LUAD with free UPK2 in the plasma. The expression levels of UPK2 relative to GADPH were 0.1623 and 0.2763 in non-relapsed and relapsed patients, respectively. Receiver operating characteristic curve analysis was used to detect free UPK2 mRNA in the blood in order to monitor postoperative recurrence, resulting in an area under the curve of 0.767 and a 95% CI of 0.675-0.858. Patients with high free UPK2 mRNA expression had unfavorable survival outcomes compared with those with low UPK2 expression. Therefore, free UPK2 mRNA expression in the plasma may have the potential to act as an indicator of postoperative recurrence in patients with early stage LUAD.
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Affiliation(s)
- Ji Zhu
- Department of Thoracic Surgery, First Affiliated Hospital of The Second Military Medical University, Shanghai 200433, P.R. China
| | - Qijue Lu
- Department of Thoracic Surgery, First Affiliated Hospital of The Second Military Medical University, Shanghai 200433, P.R. China
| | - Bin Li
- Department of Thoracic Surgery, Section of Esophageal Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
| | - Huafei Li
- School of Life Sciences, Shanghai University, Shanghai 200444, P.R. China
| | - Cong Wu
- Department of Laboratory Diagnosis, First Affiliated Hospital of The Second Military Medical University, Shanghai 200433, P.R. China
| | - Chunguang Li
- Department of Thoracic Surgery, First Affiliated Hospital of The Second Military Medical University, Shanghai 200433, P.R. China
| | - Hai Jin
- Department of Thoracic Surgery, First Affiliated Hospital of The Second Military Medical University, Shanghai 200433, P.R. China
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25
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Liu W, Lei L, Liu X, Ye S. CircRNA_OTUD7A upregulates FOXP1 expression to facilitate the progression of diffuse large B-cell lymphoma via acting as a sponge of miR-431-5p. Genes Genomics 2021; 43:653-667. [PMID: 33830472 DOI: 10.1007/s13258-021-01094-z] [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] [Received: 12/06/2020] [Accepted: 03/26/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND A growing number of studies have shown that circular RNA (circRNA) is an important regulator molecule in cancer progression, but it has been poorly studied in diffuse large b-cell lymphoma (DLBCL). OBJECTIVE This study aimed to explore the role of circ_OTUD7A in DLBCL. METHODS Relative expression levels of circ_OTUD7A, microRNA (miR)-431-5p and forkhead box P1 (FOXP1) were determined by quantitative real-time PCR (qRT-PCR). The proliferation of cells was elevated by colony formation assay and MTT assay. Western blot (WB) analysis was employed to measure the protein levels of proliferation marker, epithelial-mesenchymal transition (EMT) markers, cyclin marker, apoptosis markers and FOXP1. Moreover, the apoptosis, cell cycle process, migration and invasion of cells were detected using flow cytometry and transwell assay, respectively. In addition, the interaction between miR-431-5p and circ_OTUD7A or FOXP1 was confirmed by dual-luciferase reporter assay. RESULTS Circ_OTUD7A was highly expressed in DLBCL, and its knockdown could inhibit DLBCL cell proliferation and metastasis, while promote cell cycle arrest and apoptosis. Similarly, FOXP1 also was upregulated in DLBCL, and its silencing could restrain the progression of DLBCL cells. Further experiments revealed that circ_OTUD7A could sponge miR-431-5p and miR-431-5p could target FOXP1. MiR-431-5p inhibitor could reverse the suppressive effect of circ_OTUD7A silencing on DLBCL progression, and FOXP1 overexpression also could reverse the inhibitory effect of miR-431-5p mimic on DLBCL progression. CONCLUSION Circ_OTUD7A promoted the progression of DLBCL by regulating the miR-431-5p/FOXP1 axis, which suggested that circ_OTUD7A might function as an oncogene in DLBCL.
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Affiliation(s)
- Wei Liu
- Department of Hematology, The First Hospital of Yulin, Yulin, Shaanxi, China
| | - Lei Lei
- Clinical Laboratory, The First Hospital of Yulin, No. 59 Yuxi Avenue, Yulin, 719000, Shaanxi, China
| | - Xiaoying Liu
- Clinical Laboratory, The First Hospital of Yulin, No. 59 Yuxi Avenue, Yulin, 719000, Shaanxi, China
| | - Suiyan Ye
- Clinical Laboratory, The First Hospital of Yulin, No. 59 Yuxi Avenue, Yulin, 719000, Shaanxi, China.
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Chen Y, Cheng WY, Shi H, Huang S, Chen H, Liu D, Xu W, Yu J, Wang J. Classifying gastric cancer using FLORA reveals clinically relevant molecular subtypes and highlights LINC01614 as a biomarker for patient prognosis. Oncogene 2021; 40:2898-2909. [PMID: 33742127 PMCID: PMC8062268 DOI: 10.1038/s41388-021-01743-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 12/15/2022]
Abstract
Molecular-based classifications of gastric cancer (GC) were recently proposed, but few of them robustly predict clinical outcomes. While mutation and expression signature of protein-coding genes were used in previous molecular subtyping methods, the noncoding genome in GC remains largely unexplored. Here, we developed the fast long-noncoding RNA analysis (FLORA) method to study RNA sequencing data of GC cases, and prioritized tumor-specific long-noncoding RNAs (lncRNAs) by integrating clinical and multi-omic data. We uncovered 1235 tumor-specific lncRNAs, based on which three subtypes were identified. The lncRNA-based subtype 3 (L3) represented a subgroup of intestinal GC with worse survival, characterized by prevalent TP53 mutations, chromatin instability, hypomethylation, and over-expression of oncogenic lncRNAs. In contrast, the lncRNA-based subtype 1 (L1) has the best survival outcome, while LINC01614 expression further segregated a subgroup of L1 cases with worse survival and increased chance of developing distal metastasis. We demonstrated that LINC01614 over-expression is an independent prognostic factor in L1 and network-based functional prediction implicated its relevance to cell migration. Over-expression and CRISPR-Cas9-guided knockout experiments further validated the functions of LINC01614 in promoting GC cell growth and migration. Altogether, we proposed a lncRNA-based molecular subtype of GC that robustly predicts patient survival and validated LINC01614 as an oncogenic lncRNA that promotes GC proliferation and migration.
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Affiliation(s)
- Yiyun Chen
- Division of Life Science and Department of Chemical and Biological Engineering, Center of Systems Biology and Human Health, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Wing Yin Cheng
- Institute of Digestive Disease and The Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hongyu Shi
- Division of Life Science and Department of Chemical and Biological Engineering, Center of Systems Biology and Human Health, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Shengshuo Huang
- Division of Life Science and Department of Chemical and Biological Engineering, Center of Systems Biology and Human Health, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Huarong Chen
- Institute of Digestive Disease and The Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dabin Liu
- Institute of Digestive Disease and The Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Weiqi Xu
- Institute of Digestive Disease and The Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Hepatic Surgery, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jun Yu
- Institute of Digestive Disease and The Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China.
| | - Jiguang Wang
- Division of Life Science and Department of Chemical and Biological Engineering, Center of Systems Biology and Human Health, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
- Hong Kong Center for Neurodegenerative Diseases, Hong Kong Science Park, Hong Kong SAR, China.
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27
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Cai Q, Zhao X, Wang Y, Li S, Wang J, Xin Z, Li F. LINC01614 promotes osteosarcoma progression via miR-520a-3p/SNX3 axis. Cell Signal 2021; 83:109985. [PMID: 33753211 DOI: 10.1016/j.cellsig.2021.109985] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/14/2021] [Accepted: 03/17/2021] [Indexed: 12/19/2022]
Abstract
Long noncoding RNAs (lncRNAs) have been reported as essential regulators in osteosarcoma (OS), the most malignant bone tumor usually observed in children and adolescents. In the present study, we detected differentially expressed lncRNAs among OS tissues through RNA-sequencing. Then through bioinformatics analysis, we constructed the aberrant lncRNAs regulatory networks, and detected the key-lncRNAs. We identified LINC01614 was most significantly up-regulated among OS tissues, which was positively correlated with the worse prognosis. Through related in vitro experiments, we confirmed that knockdown of LINC01614 could inhibit the proliferation, invasion, and metastasis activities of OS cells. Furthermore, we identified LINC01614 may promote the proliferation and invasion activities of OS cells, via binding miR-520a-3p and increase the expression of SNX3. In conclusion, we identified lncRNAs participate in various malignant behaviors in OS. We also proved that LINC01614 could function as competing endogenous RNAs and promote the proliferation, and invasion of OS cells through miR-520a-3p/SNX3 axis, and thus acts as a novel prognostic marker for OS in clinic.
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Affiliation(s)
- Qixuan Cai
- The Key Laboratory of Zoonosis Research, Chinese Ministry of Education, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Xin Zhao
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, China
| | - Yanbing Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, China
| | - Shuai Li
- The Key Laboratory of Zoonosis Research, Chinese Ministry of Education, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Jincheng Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, China
| | - Zhuoyuan Xin
- The Key Laboratory of Zoonosis Research, Chinese Ministry of Education, College of Basic Medical Science, Jilin University, Changchun 130021, China; China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
| | - Fan Li
- The Key Laboratory of Zoonosis Research, Chinese Ministry of Education, College of Basic Medical Science, Jilin University, Changchun 130021, China.
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Yan S, Xu J, Liu B, Ma L, Feng H, Tan H, Fang C. Long non-coding RNA BCAR4 aggravated proliferation and migration in esophageal squamous cell carcinoma by negatively regulating p53/p21 signaling pathway. Bioengineered 2021; 12:682-696. [PMID: 33602031 PMCID: PMC8291806 DOI: 10.1080/21655979.2021.1887645] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Long non-coding RNA breast cancer antiestrogen resistance 4 (lncRNA BCAR4) is an independent factor on the survival prognosis of patients with multiple cancers. However, the role of lncRNA BCAR4 in esophageal squamous cell cancer (ESCC) remains unknown. Here, we unraveled that lncRNA BCAR4 was upregulated in ESCC and predicted poor prognosis. Functionally, lncRNA BCAR4 knockdown induced cell apoptosis and G1/S arrest, while inhibited cell proliferation and migration in vitro; conversely, overexpressing lncRNA BCAR4 promoted proliferation and metastasis. Mechanistically, lncRNA BCAR4 sponged miR-139-3p to upregulate ELAVL1, thereby inhibiting p53/p21 pathway in ESCC cells. In conclusion, lncRNA BCAR4 promotes ESCC tumorigenesis via regulating p53/p21 signaling pathway and develops a brand-new biomarker and medicine target for ESCC.
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Affiliation(s)
- Shuo Yan
- Department of Interventional Radiology, Tongji Hospital of Tongji University , Shanghai, China
| | - Jichong Xu
- Department of Interventional Radiology, Tongji Hospital of Tongji University , Shanghai, China
| | - Bingyan Liu
- Department of Interventional Radiology, Tongren Hospital, Shanghai Jiaotong University School of Medicine , Shanghai, China
| | - Lin Ma
- Department of Interventional Radiology, Tongji Hospital of Tongji University , Shanghai, China
| | - Hao Feng
- Department of Interventional Radiology, Tongji Hospital of Tongji University , Shanghai, China
| | - Huaqiao Tan
- Department of Interventional Radiology, Tongji Hospital of Tongji University , Shanghai, China
| | - Chun Fang
- Department of Interventional Radiology, Tongji Hospital of Tongji University , Shanghai, China
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Liu X, Yin Z, Xu L, Liu H, Jiang L, Liu S, Sun X. Upregulation of LINC01426 promotes the progression and stemness in lung adenocarcinoma by enhancing the level of SHH protein to activate the hedgehog pathway. Cell Death Dis 2021; 12:173. [PMID: 33568633 PMCID: PMC7875967 DOI: 10.1038/s41419-021-03435-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 11/25/2020] [Accepted: 12/18/2020] [Indexed: 12/27/2022]
Abstract
Long noncoding RNAs (lncRNAs) play crucial roles in regulating a variety of biological processes in lung adenocarcinoma (LUAD). In our study, we mainly explored the functional roles of a novel lncRNA long intergenic non-protein coding RNA 1426 (LINC01426) in LUAD. We applied bioinformatics analysis to find the expression of LINC01426 was upregulated in LUAD tissue. Functionally, silencing of LINC01426 obviously suppressed the proliferation, migration, epithelial-mesenchymal transition (EMT), and stemness of LUAD cells. Then, we observed that LINC01426 functioned through the hedgehog pathway in LUAD. The effect of LINC01426 knockdown could be fully reversed by adding hedgehog pathway activator SAG. In addition, we proved that LINC01426 could not affect SHH transcription and its mRNA level. Pull-down sliver staining and RIP assay revealed that LINC01426 could interact with USP22. Ubiquitination assays manifested that LINC01426 and USP22 modulated SHH ubiquitination levels. Rescue assays verified that SHH overexpression rescued the cell growth, migration, and stemness suppressed by LINC01426 silencing. In conclusion, LINC01426 promotes LUAD progression by recruiting USP22 to stabilize SHH protein and thus activate the hedgehog pathway.
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Affiliation(s)
- Xiaoli Liu
- Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | | | - Linping Xu
- Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | - Huaimin Liu
- Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.
| | - Lifeng Jiang
- Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | - Shuochuan Liu
- Queen Mary College of Medicine, Nanchang University, Nanchang, China
| | - Xu Sun
- Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
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Tang L, Chen Y, Peng X, Zhou Y, Jiang H, Wang G, Zhuang W. Identification and Validation of Potential Pathogenic Genes and Prognostic Markers in ESCC by Integrated Bioinformatics Analysis. Front Genet 2020; 11:521004. [PMID: 33362844 PMCID: PMC7758294 DOI: 10.3389/fgene.2020.521004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 10/26/2020] [Indexed: 11/13/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the most fatal malignancies of the digestive tract, but its underlying molecular mechanisms are not known. We aim to identify the genes involved in ESCC carcinogenesis and discover potential prognostic markers using integrated bioinformatics analysis. Three pairs of ESCC tissues and paired normal tissues were sequenced by high-throughput RNA sequencing (RNA-seq). Integrated bioinformatics analysis was used to identify differentially expressed coding genes (DECGs) and differentially expressed long non-coding RNA (lncRNA) genes (DELGs). A protein-protein interaction (PPI) network of DECGs was established using the Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) website and visualized with Cytoscape. Survival analysis was conducted by log-rank tests to identify "hub" genes with potential prognostic value, and real-time reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was conducted to assess expression of these genes in ESCC tissues. TranswellTM assays were employed to examine the migration ability of cells after knockdown of LINC01614 expression, followed by investigation of epithelial-mesenchymal transition (EMT) by western blotting (WB). A total of 106 upregulated genes and 42 downregulated genes were screened out from the ESCC data sets. Survival analysis showed two hub protein-coding genes with higher expression in module 1 of the PPI network (SPP1 and BGN) and another three upregulated lncRNAs (LINC01614, LINC01415, NKILA) that were associated with a poor prognosis. High expression of SPP1, BGN, LINC01614, and LINC01415 in tumor samples was validated further by RT-qPCR. In vitro experiments show that knockdown of LINC01614 expression could significantly inhibit the migration of ESCC cells by regulating EMT, which was confirmed by WB. These results indicate that BGN, SPP1, LINC01614, and LINC01415 might be critical genes in ESCC and potential prognostic biomarkers.
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Affiliation(s)
- Lu Tang
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yuqiao Chen
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Xiong Peng
- Department of Thoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yuan Zhou
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Hong Jiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Guo Wang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Wei Zhuang
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China
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31
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Zhou S, Zhu C, Pang Q, Liu HC. MicroRNA-217: A regulator of human cancer. Biomed Pharmacother 2020; 133:110943. [PMID: 33254014 DOI: 10.1016/j.biopha.2020.110943] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 10/17/2020] [Accepted: 10/25/2020] [Indexed: 12/13/2022] Open
Abstract
As highly conserved non-coding RNAs of approximately 18-24 nucleotides, microRNAs (miRNAs) regulate the expression of target genes. Multiple studies have demonstrated that miRNAs participate in the regulation of human cancer. MircoRNA-217 (miR-217) participates in the regulation of various tumors by specifically binding target genes and post-transcriptional regulation. In recent years, there have been numerous reports about miR-217 in tumor progression. MiR-217 is known mainly as a tumor suppressor, although some studies have shown that it functions as an oncomiR. Here, we review the current research related to miR-217, including its role in tumor progression and the molecular mechanisms.
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Affiliation(s)
- Shuai Zhou
- Department of Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233000, China.
| | - Chao Zhu
- Department of Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233000, China.
| | - Qing Pang
- Department of Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233000, China.
| | - Hui Chun Liu
- Department of Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233000, China.
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32
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Li W, Pan T, Jiang W, Zhao H. HCG18/miR-34a-5p/HMMR axis accelerates the progression of lung adenocarcinoma. Biomed Pharmacother 2020; 129:110217. [PMID: 32559619 DOI: 10.1016/j.biopha.2020.110217] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 04/25/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Abstract
As the most common subtype of lung cancer, lung adenocarcinoma (LUAD) is the frequently occurred cancers in human. Therefore, thorough investigation is necessary for understanding the progression of LUAD. HMMR has functioned as a regulator in some cancers, whereas its biological role still needs to be investigated in LUAD. By bioinformatics analysis, we found that HMMR was highly expressed in LUAD tissues and associated with patients' poor prognosis. Further, qRT-PCR demonstrated that HMMR was up-regulated in LUAD tissues and cells. Loss-of-function assays manifested that HMMR knockdown refrained cell proliferation, migration and invasion and enhanced cell apoptosis in LUAD. Later, HMMR was identified as a target gene of miR-34a-5p, which expressed at a low level in LUAD cell and played an anti-oncogenic role in LUAD. Simultaneously, we discovered that miR-34a-5p could directly bind to HCG18. Subsequent assays revealed that HCG18 mediated HMMR expression by sequestering miR-34a-5p. At last, rescue assays proved the carcinogenic role of HCG18/miR-34a-5p/HMMR axis in LUAD cells growth. Importantly, HCG18 was found to facilitate tumor growth in LUAD. Conclusively, HCG18 acted an oncogene in LUAD and enhanced LUAD progression by targeting miR-34a-5p/HMMR axis.
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Affiliation(s)
- Wei Li
- Department of Thoracic Surgery, The People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, PR China
| | - Tinghong Pan
- The Cardiothoracic Surgery of Weifang Yidu Central Hospital, Weifang, 262500, Shandong, PR China
| | - Wei Jiang
- The Pediatrics of Weifang Yidu Central Hospital, Weifang, 262500, Shandong, PR China
| | - Hongying Zhao
- Department of Medical Oncology, Xuzhou Cancer Hospital, Xuzhou Hospital Affiliated to Jiangsu University, Xuzhou, 221000, Jiangsu, PR China.
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33
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Investigation of microRNA expression signatures in HCC via microRNA Gene Chip and bioinformatics analysis. Pathol Res Pract 2020; 216:152982. [DOI: 10.1016/j.prp.2020.152982] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/27/2020] [Accepted: 04/13/2020] [Indexed: 12/12/2022]
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34
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Wang D, Zhang H, Fang X, Cao D, Liu H. Pan-cancer analysis reveals the role of long non-coding RNA LINC01614 as a highly cancer-dependent oncogene and biomarker. Oncol Lett 2020; 20:1383-1399. [PMID: 32724381 PMCID: PMC7377058 DOI: 10.3892/ol.2020.11648] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 04/16/2020] [Indexed: 12/24/2022] Open
Abstract
Long intergenic non-coding RNA 1614 (LINC01614) is highly expressed in several malignant tumor types, suggesting that it may act as an oncogene. However, the specific roles of LINC01614 in malignant tumors have remained elusive. To examine the expression pattern of LINC01614 in various malignancies, a comprehensive pan-cancer analysis was performed using public databases, including 53 normal tissue types and 32 cancer datasets with samples from 9,091 patients. The results were validated using reverse transcription-quantitative PCR analysis of tissue specimens from patients. LINC01614 expression was upregulated in most malignant tumors, thus demonstrating diagnostic potential. Furthermore, upregulation of LINC01614 was associated with poor overall survival in the majority of cases. However, the association with clinical outcome was highly cancer-dependent; LINC01614 appeared to be an oncogene and diagnostic/prognostic biomarker in cancers of the digestive, respiratory, nervous and endocrine systems, as well as breast and head and neck cancer, but not in the cancers of the reproductive system or some of the urinary system. High LINC01614 expression was also markedly associated with the epithelial-mesenchymal transition (EMT) and associated signaling pathways. Overall, the present results suggest that LINC01614 is an EMT-associated oncogene that influences the metastasis and prognosis of several cancers, thus highlighting its potential as a novel diagnostic and prognostic marker.
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Affiliation(s)
- Dingding Wang
- Department of Pathology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, P.R. China
| | - Hong Zhang
- Department of Pathology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, P.R. China
| | - Xiaolian Fang
- Department of Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, P.R. China
| | - Dingfang Cao
- Department of Pathology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, P.R. China
| | - Honggang Liu
- Department of Pathology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, P.R. China
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Wang H, Wu J, Guo W. SP1-Mediated Upregulation of lncRNA LINC01614 Functions a ceRNA for miR-383 to Facilitate Glioma Progression Through Regulation of ADAM12. Onco Targets Ther 2020; 13:4305-4318. [PMID: 32547064 PMCID: PMC7244248 DOI: 10.2147/ott.s242854] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 03/26/2020] [Indexed: 12/20/2022] Open
Abstract
Background Long non-coding RNAs (lncRNAs) play an imperative role in tumorigenesis, but few lncRNAs have been functionally characterized in glioma. The aim of the present study was to identify the role of long non-coding RNA LINC01614 (LINC01614) in glioma development and explore the underlying mechanisms of LINC01614/miR-383/ADAM12 axis. Patients and Methods LncRNA expression in glioma specimens was measured by lncRNA microarray and qRT-PCR. The prognostic value of LINC01614 expression was statistically analyzed in 112 glioma patients. Loss-of-function experiments were conducted to investigate the biological functions of LINC01614 in vitro. Luciferase analyses, ChIP assays, and RNA pull-down were performed to determine the underlying LINC01614 mechanisms. Results We identified a novel glioma-related lncRNA LINC01614 by analyzing TCGA datasets. The distinct upregulation of LINC01614 was observed in both glioma specimens and cell lines using RT-PCR. We also observed that LINC01614 upregulation was induced by nuclear transcription factor SP1. Clinical assays revealed that high levels of LINC01614 were associated with KPS, WHO grade and shorter overall survival of glioma patients. Multivariate analysis further confirmed that LINC01614 was an independent prognostic marker for glioma patients. Besides, functional assays displayed that silence of LINC01614 knockdown distinctly inhibited cell growth, migration and invasion and promoted cell apoptosis in glioma cells. LINC01614 expression was enriched in the cytoplasm of glioma cells. Mechanistic investigation revealed that LINC01614 functioned as a competing endogenous RNA to upregulate a disintegrin and metalloproteinase 12 (ADAM12) by sponging miR-383. Conclusion Overall, these findings showed that SP1-induced upregulation of LINC01614 promoted glioma malignant progression via modulating the miR-383/ADAM12 axis, which may provide a promising therapy for glioma.
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Affiliation(s)
- Hao Wang
- Department of Neurosurgery, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong, People's Republic of China
| | - Jiang Wu
- Department of Neurosurgery, Hebei General Hospital, Shijiazhuang, Hebei, People's Republic of China
| | - Wei Guo
- Department of Neurosurgery, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong, People's Republic of China
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Li J, Zhang X, Tang J, Gong C. MicroRNA-374b-5p Functions as a Tumor Suppressor in Non-Small Cell Lung Cancer by Targeting FOXP1 and Predicts Prognosis of Cancer Patients. Onco Targets Ther 2020; 13:4229-4237. [PMID: 32523358 PMCID: PMC7237128 DOI: 10.2147/ott.s243221] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/07/2020] [Indexed: 12/16/2022] Open
Abstract
Background Lung cancer remains the most frequent malignancy worldwide with increasing morbidity and mortality. This study aimed to assess the expression of microRNA-374b-5p (miR-374b-5p) in tissues and cell lines of non-small cell lung cancer (NSCLC) and to evaluate the prognostic value of miR-374b-5p as well as its biological function in tumor progression. Materials and Methods Expression of miR-374b-5p in NSCLC patients and cells was estimated using quantitative real-time PCR. The prognostic value of miR-374b-5p was evaluated using Kaplan–Meier method and Cox regression analysis. Gain-of-function and loss-of-function cell experiments were performed to examine the effects of miR-374b-5p on NSCLC cell proliferation, migration and invasion. A luciferase activity assay was used to confirm the target gene of miR-374b-5p. Results miR-374b-5p expression levels were decreased in tumorous tissues and cell lines compared with the normal tissues or cells (P < 0.05). The expression of miR-374b-5p was associated with the patients’ tumor size, lymph node metastasis and TNM stage (all P < 0.05). Patients with low miR-374b-5p expression have a shorter survival time (log-rank P = 0.001), and the downregulated expression of miR-374b-5p was determined to be an independent prognostic indicator of NSCLC. In NSCLC cells, the overexpression of miR-374b-5p could inhibit NSCLC cell proliferation, migration and invasion and could directly target FOXP1. Conclusion This study found that the decreased miR-374b-5p predicts poor prognosis of NSCLC, and the upregulation of miR-374b-5p can inhibit NSCLC cell proliferation, migration and invasion. The data obtained from this study provide a novel candidate prognostic biomarker and a potential therapeutic target for NSCLC.
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Affiliation(s)
- Jianzhao Li
- Department of Pathology, Central Hospital of Zibo, Zibo, Shandong 255000, People's Republic of China
| | - Xinfang Zhang
- Clinical Laboratory, Qilu Hospital Huantai Branch, Zibo, Shandong 256400, People's Republic of China
| | - Jiaying Tang
- Department of Blood Transfection, Central Hospital of Zibo, Zibo, Shandong 255000, People's Republic of China
| | - Cuixue Gong
- Outpatient Dressing Room, Central Hospital of Zibo, Zibo, Shandong 255000, People's Republic of China
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37
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Yang J, Yang XS, Zhang Q, Zhuang X, Dong XK, Jiang YH, Tao YN, Yang CH. Downregulated LINC01614 Ameliorates Hypoxia/Reoxygenation-Stimulated Myocardial Injury by Directly Sponging microRNA-138-5p. Dose Response 2020; 18:1559325820913786. [PMID: 32231469 PMCID: PMC7088201 DOI: 10.1177/1559325820913786] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/17/2020] [Accepted: 02/18/2020] [Indexed: 12/13/2022] Open
Abstract
Background: LINC01614 was abnormally expressed in myocardial infarction and other heart failures. We attempted to detect the effects of LINC01614 in myocardial ischemia–reperfusion (I/R) injury. Methods: H9c2 cardiomyocyte cells were treated with hypoxia/reoxygenation (H/R) to establish myocardial ischemia (MI) model. Results: Clinical data of Gene Expression Omnibus (GEO) database indicated that LINC01614 was highly regulated in first acute myocardial infarction, whereas miR-138-5p was downregulated in unstable angina pectoris. LINC01614 inhibition promoted cell proliferation and repressed the apoptotic property after H/R treatment using Cell Counting Kit-8 and flow cytometry analysis. Downregulation of LINC01614 enhanced the expression of Bcl-2 but attenuated Bax and cleaved caspase 3 expression after H/R treatment. Bioinformatics prediction and dual-luciferase reporter assay determined that LINC01614 directly targeted miR-138-5p and negatively regulated the expression of miR-138-5p. Furthermore, the overexpression of miR-138-5p significantly strengthened the function of si-LINC01614 in H/R groups. Conclusion: Our results illustrated that reduction in LINC01614 attenuated H/R treatment-induced myocardial damage via sponging miR-138-5p.
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Affiliation(s)
- Jie Yang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China.,Department of Cardiovascular, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Xue-Song Yang
- Department of Vascular Surgery, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Qian Zhang
- Department of Science and Technology Office, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Xin Zhuang
- Department of Cardiovascular, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Xiao-Kang Dong
- Department of Cardiovascular, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Yue-Hua Jiang
- Central Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Yan-Nan Tao
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Chuan-Hua Yang
- Department of Cardiovascular, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
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38
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Identification of Long Noncoding RNAs as Predictors of Survival in Triple-Negative Breast Cancer Based on Network Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8970340. [PMID: 32190687 PMCID: PMC7073484 DOI: 10.1155/2020/8970340] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 12/31/2019] [Accepted: 01/21/2020] [Indexed: 12/24/2022]
Abstract
Breast cancer is the most common cancer observed in adult females, worldwide. Due to the heterogeneity and varied molecular subtypes of breast cancer, the molecular mechanisms underlying carcinogenesis in different subtypes of breast cancer are distinct. Recently, long noncoding RNAs (lncRNAs) have been shown to be oncogenic or play important roles in cancer suppression and are used as biomarkers for diagnosis and therapy. In this study, we identified 134 lncRNAs and 6,414 coding genes were differentially expressed in triple-negative (TN), human epidermal growth factor receptor 2- (HER2-) positive, luminal A-positive, and luminal B-positive breast cancer. Of these, 37 lncRNAs were found to be dysregulated in all four subtypes of breast cancers. Subtypes of breast cancer special modules and lncRNA-mRNA interaction networks were constructed through weighted gene coexpression network analysis (WGCNA). Survival analysis of another public datasets was used to verify the identified lncRNAs exhibiting potential indicative roles in TN prognosis. Results from heat map analysis of the identified lncRNAs revealed that five blocks were significantly displayed. High expressions of lncRNAs, including LINC00911, CSMD2-AS1, LINC01192, SNHG19, DSCAM-AS1, PCAT4, ACVR28-AS1, and CNTFR-AS1, and low expressions of THAP9-AS1, MALAT1, TUG1, CAHM, FAM2011, NNT-AS1, COX10-AS1, and RPARP-AS1 were associated with low survival possibility in TN breast cancers. This study provides novel lncRNAs as potential biomarkers for the therapeutic and prognostic classification of different breast cancer subtypes.
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Huang B, Sun X, Xu A. MiR-217 inhibition relieves oxidative stress-induced melanocyte damage by targeting sirtuin 1. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1727773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Bo Huang
- Department of Dermatology, Third People’s Hospital of Hangzhou, Hangzhou Institute of Dermatology and Venereology, PR China
| | - Xuecheng Sun
- Department of Dermatology, Third People’s Hospital of Hangzhou, Hangzhou Institute of Dermatology and Venereology, PR China
| | - Aie Xu
- Department of Dermatology, Third People’s Hospital of Hangzhou, Hangzhou Institute of Dermatology and Venereology, PR China
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40
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Vail DJ, Somoza RA, Caplan AI, Khalil AM. Transcriptome dynamics of long noncoding RNAs and transcription factors demarcate human neonatal, adult, and human mesenchymal stem cell-derived engineered cartilage. J Tissue Eng Regen Med 2019; 14:29-44. [PMID: 31503387 DOI: 10.1002/term.2961] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 08/02/2019] [Accepted: 09/03/2019] [Indexed: 11/08/2022]
Abstract
The engineering of a native-like articular cartilage (AC) is a long-standing objective that could serve the clinical needs of millions of patients suffering from osteoarthritis and cartilage injury. An incomplete understanding of the developmental stages of AC has contributed to limited success in this endeavor. Using next generation RNA sequencing, we have transcriptionally characterized two critical stages of AC development in humans-that is, immature neonatal and mature adult, as well as tissue-engineered cartilage derived from culture expanded human mesenchymal stem cells. We identified key transcription factors (TFs) and long noncoding RNAs (lncRNAs) as candidate drivers of the distinct phenotypes of these tissues. AGTR2, SCGB3A1, TFCP2L1, RORC, and TBX4 stand out as key TFs, whose expression may be capable of reprogramming engineered cartilage into a more expandable and neonatal-like cartilage primed for maturation into biomechanically competent cartilage. We also identified that the transcriptional profiles of many annotated but poorly studied lncRNAs were dramatically different between these cartilages, indicating that lncRNAs may also be playing significant roles in cartilage biology. Key neonatal-specific lncRNAs identified include AC092818.1, AC099560.1, and KC877982. Collectively, our results suggest that tissue-engineered cartilage can be optimized for future clinical applications by the specific expression of TFs and lncRNAs.
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Affiliation(s)
- Daniel J Vail
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, OH
| | - Rodrigo A Somoza
- Skeletal Research Center, Department of Biology, Case Western Reserve University, Cleveland, OH
| | - Arnold I Caplan
- Skeletal Research Center, Department of Biology, Case Western Reserve University, Cleveland, OH
| | - Ahmad M Khalil
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, OH.,Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH
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MicroRNA‑217 is involved in the progression of atherosclerosis through regulating inflammatory responses by targeting sirtuin 1. Mol Med Rep 2019; 20:3182-3190. [PMID: 31432137 PMCID: PMC6755250 DOI: 10.3892/mmr.2019.10581] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 06/12/2019] [Indexed: 12/12/2022] Open
Abstract
Atherosclerosis is a chronic inflammatory disease, and it is a global clinical problem. The development of new and effective therapeutic targets for atherosclerosis is necessary. A number of microRNAs (miRNAs) have been demonstrated to serve a crucial role in atherosclerosis. However, the role of miRNA (miR)-217 in atherosclerosis remains unclear. Therefore, the aim of the present study was to investigate the role and mechanism of miR-217 in atherosclerosis. The level of miR-217 was detected in the blood of patients with atherosclerosis using reverse transcription-quantitative PCR. THP-1 acute monocytic leukemia cells were treated with oxidized low-density lipoprotein (ox-LDL) to develop an atherosclerotic cell model of macrophages. The relationship between miR-217 and sirtuin 1 (SIRT1) was determined by TargetScan and dual luciferase reporter assay. Cell apoptosis was measured by flow cytometry. Production of pro-inflammatory factors and triglyceride (TG) and total cholesterol (TC) levels were also determined. The results demonstrated that miR-217 was significantly upregulated in atherosclerosis. SIRT1 was demonstrated to be a direct target of miR-217 and was downregulated in atherosclerosis. Downregulation of miR-217 significantly inhibited ox-LDL-induced TG and TC level increase, cell apoptosis and the upregulation of the pro-inflammatory factors tumor necrosis factor α, interleukin (IL)-6 and IL-1β. Additionally, the SIRT1/AMP-activated protein kinase α/NF-κB pathway was at least partially involved in modulating the effects of miR-217 inhibition on THP-1 cells treated with ox-LDL. In addition, the effects of miR-217 downregulation on ox-LDL-treated THP-1 cells were eliminated by SIRT1 silencing. In conclusion, the results of the present study indicated that miR-217 downregulation may relieve atherosclerosis through the inhibition of macrophage apoptosis and inflammatory response by targeting SIRT1.
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Ma T, Hu Y, Guo Y, Yan B. Tumor-Promoting Activity of Long Noncoding RNA LINC00466 in Lung Adenocarcinoma via miR-144-Regulated HOXA10 Axis. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:2154-2170. [PMID: 31381886 DOI: 10.1016/j.ajpath.2019.06.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 05/28/2019] [Accepted: 06/18/2019] [Indexed: 12/17/2022]
Abstract
Previous investigations have implicated long noncoding RNAs in lung adenocarcinoma, which is an aggressive disease with poor prognosis and high mortality. Through the alteration of lung adenocarcinoma-related long noncoding RNA and miRNA based on microarray analysis, our aim was to understand the role of LINC00466 and miR-144 in lung adenocarcinoma progression. The relationship among LINC00466, miR-144, and HOXA10 was also verified. Moreover, to examine whether the LINC00466/miR-144/HOXA10 axis contributed to the cellular processes in lung adenocarcinoma, A549 and XWLC-05 cells were transduced with siRNA LINC00466, siRNA HOXA10, or miR-144 mimic plasmids. Highly expressed LINC00466 and HOXA10 and lowly expressed miR-144 were eventually revealed in lung adenocarcinoma tissues. HOXA10 was down-regulated in response to the overexpression of miR-144, whereas inhibition of LINC00466 decreased its binding to miR-144, thereby up-regulating miR-144, which, in turn, halted the lung adenocarcinoma progression. LINC00466 silencing or miR-144 up-regulation exerted an inhibitory role in the tumorigenicity, invasion, migration, and proliferation, and it also promoted apoptosis of lung adenocarcinoma cells. Furthermore, tumor formation was inhibited by knockdown of LINC00466 or overexpression of miR-144. Taken together, LINC00466 could restrain the miR-144 expression to up-regulate HOXA10 and, therefore, promote lung adenocarcinoma.
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Affiliation(s)
- Tiangang Ma
- Department of Respiratory, Second Hospital Affiliated to Jilin University, Changchun, PR China
| | - Yanbing Hu
- Department of Ultrasound, Second Hospital Affiliated to Jilin University, Changchun, PR China
| | - Yingxue Guo
- Department of Clinical Laboratory, Second Hospital Affiliated to Jilin University, Changchun, PR China.
| | - Bingdi Yan
- Department of Respiratory, Second Hospital Affiliated to Jilin University, Changchun, PR China.
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Rao G, Zhang W, Song S. MicroRNA‑217 inhibition relieves cerebral ischemia/reperfusion injury by targeting SIRT1. Mol Med Rep 2019; 20:1221-1229. [PMID: 31173187 PMCID: PMC6625453 DOI: 10.3892/mmr.2019.10317] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 03/29/2019] [Indexed: 12/17/2022] Open
Abstract
MicroRNAs (miRs) have been proposed to be involved in the pathological processes of cerebral ischemia/reperfusion (CIR) injury. The present study aimed to investigate the potential role and molecular mechanisms of miR-217 in the regulation of neuronal survival in CIR injury. To perform the investigation, an in vitro cellular model of CIR injury was established by treating neurons with oxygen-glucose deprivation and reoxygenation (OGD/R). miR-217 levels in neurons were detected using reverse transcription-quantitative PCR. The association between miR-217 and sirtuin 1 (SIRT1) was identified using TargetScan and validated in a dual-luciferase reporter assay. Cell viability and apoptosis were measured using a Cell Counting Kit-8 assay and flow cytometry, respectively. The release of lactate dehydrogenase, and the production of proinflammatory factors and oxidative stress biomarkers were analyzed by ELISAs and using specific assay kits. It was revealed that miR-217 was significantly upregulated in OGD/R-treated neurons. SIRT1 was a direct target of miR-217, and was downregulated in neurons following OGD/R treatment. Downregulation of miR-217 significantly ameliorated OGD/R-induced neuronal injury, inflammatory responses and oxidative stress. The effects of miR-217 inhibitor on OGD/R treated neurons were attenuated by SIRT1 knockdown. Additionally, western blotting revealed that the SIRT1/AMP-activated protein kinase-α/NF-κB pathway was partially involved in the regulation of OGD/R-induced neuronal injury by miR-217. In conclusion, the data of the present study indicated that the downregulation of miR-217 protected neurons against OGD/R-induced injury by targeting SIRT1.
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Affiliation(s)
- Gaofeng Rao
- Department of Rehabilitation Medicine, The First People's Hospital of Wenling, The Affiliated Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang 317500, P.R. China
| | - Wenfu Zhang
- Department of Rehabilitation Medicine, The First People's Hospital of Wenling, The Affiliated Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang 317500, P.R. China
| | - Shegeng Song
- Department of Rehabilitation Medicine, The First People's Hospital of Wenling, The Affiliated Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang 317500, P.R. China
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He S, Lin J, Xu Y, Lin L, Feng J. A positive feedback loop between ZNF205-AS1 and EGR4 promotes non-small cell lung cancer growth. J Cell Mol Med 2018; 23:1495-1508. [PMID: 30556283 PMCID: PMC6349159 DOI: 10.1111/jcmm.14056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/27/2018] [Accepted: 11/05/2018] [Indexed: 01/09/2023] Open
Abstract
Accumulating evidences revealed that long noncoding RNAs (lncRNAs) are frequently implicated in non‐small cell lung cancer (NSCLC). Herein, we reported the identification of a novel NSCLC‐associated functional lncRNA ZNF205 antisense RNA 1 (ZNF205‐AS1). ZNF205‐AS1 was increased in NSCLC tissues and cell lines, and associated with poor prognosis of NSCLC patients. Bioinformatics prediction, combined with experimental verification revealed that early growth response 4 (EGR4) directly bound to ZNF205‐AS1 promoter, increased the promoter activity of ZNF205‐AS1, and activated ZNF205‐AS1 transcription. Intriguingly, ZNF205‐AS1 transcript directly interacted with EGR4 mRNA, increased EGR4 mRNA stability, and up‐regulated EGR4 expression via RNA‐RNA interaction. Thus, ZNF205‐AS1 and EGR4 formed a positive feedback loop. Through regulating EGR4, ZNF205‐AS1 activated its own promoter activity. EGR4 was also increased in NSCLC and the expression of ZNF205‐AS1 was significantly positively correlated with EGR4 in NSCLC tissues. Gain‐of‐function and loss‐of‐function assays demonstrated that both ZNF205‐AS1 and EGR4 promoted NSCLC cell growth in vitro and NSCLC tumour growth in vivo. Concurrently depleting ZNF205‐AS1 and EGR4 more significantly repressed NSCLC tumour growth in vivo. Collectively, our study demonstrated that the positive feedback loop between ZNF205‐AS1 and EGR4 promotes NSCLC growth, and implied that targeting this feedback loop may be promising therapeutic strategy for NSCLC.
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Affiliation(s)
- Susu He
- Department of Respiratory Medicine, Taizhou Hospital of Wenzhou Medical University, Linhai, Zhejiang, China
| | - Jian Lin
- Department of Respiratory Medicine, Taizhou Hospital of Wenzhou Medical University, Linhai, Zhejiang, China
| | - Youzu Xu
- Department of Respiratory Medicine, Taizhou Hospital of Wenzhou Medical University, Linhai, Zhejiang, China
| | - Ling Lin
- Department of Respiratory Medicine, Taizhou Hospital of Wenzhou Medical University, Linhai, Zhejiang, China
| | - Jiaxi Feng
- Department of Respiratory Medicine, Taizhou Hospital of Wenzhou Medical University, Linhai, Zhejiang, China
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