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Yu B, Luo J, Yang Y, Zhen K, Shen B. Novel molecular insights into pyroptosis in triple-negative breast cancer prognosis and immunotherapy. J Gene Med 2024; 26:e3645. [PMID: 38041540 DOI: 10.1002/jgm.3645] [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: 08/31/2023] [Revised: 10/31/2023] [Accepted: 11/13/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Patients with triple-negative breast cancer (TNBC) often have a poor prognostic outcome. Current treatment strategies cannot benefit all TNBC patients. Previous findings suggested pyroptosis as a novel target for suppressing cancer development, although the relationship between TNBC and pyroptosis-related genes (PRGs) was still unclear. METHODS Gene expression data and clinical follow-up of TNBC patients were collected from the Molecular Taxonomy of Breast Cancer International Consortium (METABRIC) and Gene Expression Omnibus (GEO). PRGs were screened using weighted gene co-expression network analysis. Cox regression analysis and the least absolute shrinkage and selection operator (i.e. LASSO) technique were applied to construct a pyroptosis-related prognostic risk score (PPRS) model, which was further combined with the clinicopathological characteristics of TNBC patients to develop a survival decision tree and a nomogram. The model was used to calculate the PPRS, and then the overall survival, immune infiltration, immunotherapy response and drug sensitivity of TNBC patients were analyzed based on the PPRS. RESULTS The PPRS model was closely related to clinicopathological features and can independently and accurately predict the prognosis of TNBC. According to normalized PPRS, patients in different cohorts were divided into two groups. Compared with the high-PPRS group, the low-PPRS group had significantly higher ESTIMATE (i.e. Estimation of STromal and Immune cells in MAlignantTumours using Expression data) score, immune score and stromal score, and it also had overexpressed immune checkpoints and significantly reduced Tumor Immune Dysfunction and Exclusion (TIDE) score, as well as higher sensitivity to paclitaxel, veliparib, olaparib and talazoparib. A decision tree and nomogram based on PPRS and clinical characteristics can improve the prognosis stratification and survival prediction for TNBC patients. CONCLUSIONS A PPRS model was developed to predict TNBC patients' immune characteristics and response to immunotherapy, chemotherapy and targeted therapy, as well as their survival outcomes.
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Affiliation(s)
- Bin Yu
- Linping Campus, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Junjie Luo
- Linping Campus, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yifei Yang
- Linping Campus, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ke Zhen
- Linping Campus, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Binjie Shen
- Linping Campus, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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2
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Life-Saver or Undertaker: The Relationship between Primary Cilia and Cell Death in Vertebrate Embryonic Development. J Dev Biol 2022; 10:jdb10040052. [PMID: 36547474 PMCID: PMC9783631 DOI: 10.3390/jdb10040052] [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: 10/29/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
The development of multicellular organisms requires a tightly coordinated network of cellular processes and intercellular signalling. For more than 20 years, it has been known that primary cilia are deeply involved in the mediation of intercellular signalling and that ciliary dysfunction results in severe developmental defects. Cilia-mediated signalling regulates cellular processes such as proliferation, differentiation, migration, etc. Another cellular process ensuring proper embryonic development is cell death. While the effect of cilia-mediated signalling on many cellular processes has been extensively studied, the relationship between primary cilia and cell death remains largely unknown. This article provides a short review on the current knowledge about this relationship.
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3
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Bai G, Wei N, Li F, Zhao P, Meng Z, Zou B, Liu Y, Xu K, Li K, Yao C, Yang P. Function and transcriptional regulation of TCTN1 in oral squamous cell carcinoma. Oncol Rep 2021; 47:26. [PMID: 34859261 PMCID: PMC8674709 DOI: 10.3892/or.2021.8237] [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: 08/17/2021] [Accepted: 11/10/2021] [Indexed: 12/03/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is one of the most common types of head and neck squamous cell carcinoma (HNSCC) with a poor survival rate. In the present study, the involvement of tectonic 1 (TCTN1) in OSCC was explored. The relevance between TCTN1 and HNSCC clinicopathological features was first analyzed and it was revealed that TCTN1 was associated with the tumor clinical stage and grade. In in vitro experiments, it was demonstrated that the proliferative, migratory and invasive capacity of OSCC CAL27 cells and SCC15 cells was significantly suppressed due to TCTN1 knockdown. Additionally, the core promoter of TCTN1 was confirmed and transcription factor AP-2 alpha (TFAP2A) was suggested as a regulator of TCTN1 mRNA expression. On the whole, the present study elucidated the direct association between TCTN1 and OSCC for the first time, to the best of our knowledge, and the TFAP2A/TCTN1 axis was suggested as a potential novel therapeutic target for OSCC.
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Affiliation(s)
- Guangliang Bai
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Ning Wei
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Fang Li
- Clinical Laboratory, Heze Municipal Hospital, Heze, Shandong 274000, P.R. China
| | - Peng Zhao
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Zhen Meng
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Bo Zou
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Yujiao Liu
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Kai Xu
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Keyi Li
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Chao Yao
- Department of Oral and Maxillofacial Surgery, Jinan Stomatological Hospital, Jinan, Shandong 250000, P.R. China
| | - Peng Yang
- Department of Stomatology and Key Laboratory of Precision Biomedicine (Liaocheng), Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
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4
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Jo E, Jang HJ, Shen L, Yang KE, Jang MS, Huh YH, Yoo HS, Park J, Jang IS, Park SJ. Cordyceps militaris Exerts Anticancer Effect on Non-Small Cell Lung Cancer by Inhibiting Hedgehog Signaling via Suppression of TCTN3. Integr Cancer Ther 2021; 19:1534735420923756. [PMID: 32456485 PMCID: PMC7265736 DOI: 10.1177/1534735420923756] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
This study aimed to investigate the effect of Cordyceps
militaris extract on the proliferation and apoptosis of non–small
cell lung cancer (NSCLC) cells and determine the underlying mechanisms. We
performed a CCK-8 assay to detect cell proliferation, detection of morphological
changes through transmission electron microscopy (TEM), annexin V–FITC/PI double
staining to analyze apoptosis, and immunoblotting to measure the protein
expression of apoptosis and hedgehog signaling–related proteins, with C
militaris treated NSCLC cells. In this study, we first found that
C militaris reduced the viability and induced morphological
disruption in NSCLC cells. The gene expression profiles indicated a
reprogramming pattern of genes and transcription factors associated with the
action of TCTN3 on NSCLC cells. We also confirmed that the C
militaris–induced inhibition of TCTN3 expression affected the
hedgehog signaling pathway. Immunoblotting indicated that C
militaris–mediated TCTN3 downregulation induced apoptosis in NSCLC
cells, involved in the serial activation of caspases. Moreover, we demonstrated
that the C militaris negatively modulated GLI1 transcriptional
activity by suppressing SMO/PTCH1 signaling, which affects the intrinsic
apoptotic pathway. When hedgehog binds to the PTCH1, SMO dissociates from PTCH1
inhibition at cilia. As a result, the active GLI1 translocates to the nucleus.
C militaris clearly suppressed GLI1 nuclear translocation,
leading to Bcl-2 and Bcl-xL down-regulation. These results suggested that
C militaris induced NSCLC cell apoptosis, possibly through
the downregulation of SMO/PTCH1 signaling and GLI1 activation via inhibition of
TCTN3. Taken together, our findings provide new insights into the treatment of
NSCLC using C militaris.
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Affiliation(s)
- Eunbi Jo
- Korea Basic Science Institute, Daejeon,
Republic of Korea
- Hanyang University, Seoul, Republic of
Korea
| | - Hyun-Jin Jang
- Korea Basic Science Institute, Daejeon,
Republic of Korea
- Sungkyunkwan University, Suwon, Republic
of Korea
| | - Lei Shen
- Wonkwang University, Iksan, Republic of
Korea
| | | | | | - Yang Hoon Huh
- Korea Basic Science Institute, Cheongju,
Republic of Korea
| | | | | | - Ik Soon Jang
- Korea Basic Science Institute, Daejeon,
Republic of Korea
- University of Science and Technology,
Daejeon, Republic of Korea
- Ik Soon Jang, Division of Bioconvergence
Analysis, Korea Basic Science Institute, Gwahangno 113, Yuseong-gu, Daejeon
305-333, Republic of Korea.
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5
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Luo H, Ma C, Shao J, Cao J. Prognostic Implications of Novel Ten-Gene Signature in Uveal Melanoma. Front Oncol 2020; 10:567512. [PMID: 33194647 PMCID: PMC7661968 DOI: 10.3389/fonc.2020.567512] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 09/15/2020] [Indexed: 12/18/2022] Open
Abstract
Background: Uveal melanoma (UM) is the most common primary intraocular cancer in adults. Genomic studies have provided insights into molecular subgroups and oncogenic drivers of UM that may lead to novel therapeutic strategies. Methods: Dataset TCGA-UVM, download from TCGA portal, were taken as the training cohort, and dataset GSE22138, obtained from GEO database, was set as the validation cohort. In training cohort, Kaplan-Meier analysis and univariate Cox regression model were applied to preliminary screen prognostic genes. Besides, the Cox regression model with LASSO was implemented to build a multi-gene signature, which was then validated in the validation cohorts through Kaplan-Meier, Cox, and ROC analyses. In addition, the correlation between copy number aberrations and risk score was evaluated by Spearman test. GSEA and immune infiltrating analyses were conducted for understanding function annotation and the role of the signature in the tumor microenvironment. Results: A ten-gene signature was built, and it was examined by Kaplan-Meier analysis revealing that significantly overall survival, progression-free survival, and metastasis-free survival difference was seen. The ten-gene signature was further proven to be an independent risk factor compared to other clinic-pathological parameters via the Cox regression analysis. Moreover, the receiver operating characteristic curve (ROC) analysis results demonstrated a better predictive power of the UM prognosis that our signature owned. The ten-gene signature was significantly correlated with copy numbers of chromosome 3, 8q, 6q, and 6p. Furthermore, GSEA and immune infiltrating analyses showed that the signature had close interactions with immune-related pathways and the tumor environment. Conclusions: Identifying the ten-gene signature (SIRT3, HMCES, SLC44A3, TCTN1, STPG1, POMGNT2, RNF208, ANXA2P2, ULBP1, and CA12) could accurately identify patients' prognosis and had close interactions with the immunodominant tumor environment, which may provide UM patients with personalized prognosis prediction and new treatment insights.
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Affiliation(s)
- Huan Luo
- Department of Anatomy, College of Basic Medicine, Zhengzhou University, Zhengzhou, China.,Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Klinik für Augenheilkunde, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Chao Ma
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Charité-Universitätsmedizin Berlin, BCRT-Berlin Institute of Health Center for Regenerative Therapies, Berlin, Germany
| | - Jinping Shao
- Department of Anatomy, College of Basic Medicine, Zhengzhou University, Zhengzhou, China
| | - Jing Cao
- Department of Anatomy, College of Basic Medicine, Zhengzhou University, Zhengzhou, China
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6
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Chai L, Yang G. MiR-216a-5p targets TCTN1 to inhibit cell proliferation and induce apoptosis in esophageal squamous cell carcinoma. Cell Mol Biol Lett 2019; 24:46. [PMID: 31297133 PMCID: PMC6599256 DOI: 10.1186/s11658-019-0166-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 06/04/2019] [Indexed: 12/21/2022] Open
Abstract
Background MiR-216a-5p has been reported to be associated with several tumors, including prostate cancer and melanoma. However, its expression level and potential role in esophageal squamous cell carcinoma (ESCC) remain uncertain. Results Here, we found that miR-216a-5p expression was significantly down-regulated in clinical ESCC tissues and cells. Functional assays were performed to evaluate the biological effects of miR-216a-5p on cell proliferation and cell apoptosis by CCK-8 assay and flow cytometry in ESCC cell lines, EC9706 and TE-9. The results showed that miR-216a-5p overexpression repressed cell proliferation and induced cell apoptosis. Through bioinformatics prediction and luciferase reporter assay, we revealed that miR-216a-5p could directly target tectonic family member 1 (TCTN1). Moreover, TCTN1 was obviously suppressed by miR-216a-5p overexpression. In addition, TCTN1 expression was significantly increased and inversely correlated with the levels of miR-216a-5p in ESCC tissues. More importantly, down-regulation of TCTN1 imitated, while restoration of TCTN reversed the effects of miR-216a-5p on cell proliferation and apoptosis. At the molecular level, we further found that TCTN1 overexpression reversed the effects of miR-216a-5p transfection on the expression of PCNA, Bcl-2 and Bad. Conclusions Our results demonstrate that miR-216a-5p might serve as a tumor suppressor in ESCC cells through negatively regulating TCTN1 expression, indicating the possibility that miR-216a-5p and TCTN1 might be attractive targets for ESCC therapeutic intervention.
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Affiliation(s)
- Lixun Chai
- Department of Thoracic Surgery, Shanxi Dayi Hospital, No. 99 Dragon City Street, Taiyuan, 030012 Shanxi Province China
| | - Gengpu Yang
- Department of Thoracic Surgery, Shanxi Dayi Hospital, No. 99 Dragon City Street, Taiyuan, 030012 Shanxi Province China
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7
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Amlie-Wolf A, Tang M, Mlynarski EE, Kuksa PP, Valladares O, Katanic Z, Tsuang D, Brown CD, Schellenberg GD, Wang LS. INFERNO: inferring the molecular mechanisms of noncoding genetic variants. Nucleic Acids Res 2018; 46:8740-8753. [PMID: 30113658 PMCID: PMC6158604 DOI: 10.1093/nar/gky686] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 07/11/2018] [Accepted: 07/18/2018] [Indexed: 01/02/2023] Open
Abstract
The majority of variants identified by genome-wide association studies (GWAS) reside in the noncoding genome, affecting regulatory elements including transcriptional enhancers. However, characterizing their effects requires the integration of GWAS results with context-specific regulatory activity and linkage disequilibrium annotations to identify causal variants underlying noncoding association signals and the regulatory elements, tissue contexts, and target genes they affect. We propose INFERNO, a novel method which integrates hundreds of functional genomics datasets spanning enhancer activity, transcription factor binding sites, and expression quantitative trait loci with GWAS summary statistics. INFERNO includes novel statistical methods to quantify empirical enrichments of tissue-specific enhancer overlap and to identify co-regulatory networks of dysregulated long noncoding RNAs (lncRNAs). We applied INFERNO to two large GWAS studies. For schizophrenia (36,989 cases, 113,075 controls), INFERNO identified putatively causal variants affecting brain enhancers for known schizophrenia-related genes. For inflammatory bowel disease (IBD) (12,882 cases, 21,770 controls), INFERNO found enrichments of immune and digestive enhancers and lncRNAs involved in regulation of the adaptive immune response. In summary, INFERNO comprehensively infers the molecular mechanisms of causal noncoding variants, providing a sensitive hypothesis generation method for post-GWAS analysis. The software is available as an open source pipeline and a web server.
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Affiliation(s)
- Alexandre Amlie-Wolf
- Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Mitchell Tang
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Elisabeth E Mlynarski
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Pavel P Kuksa
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Otto Valladares
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Zivadin Katanic
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Debby Tsuang
- VA Puget Sound Health Care System, Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Christopher D Brown
- Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Genetics. Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Gerard D Schellenberg
- Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Genetics. Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Li-San Wang
- Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Neurodegeneration Genomics Center, Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Genetics. Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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8
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Liu W, Wan X, Mu Z, Li F, Wang L, Zhao J, Huang X. MiR-1256 suppresses proliferation and migration of non-small cell lung cancer via regulating TCTN1. Oncol Lett 2018; 16:1708-1714. [PMID: 30008857 PMCID: PMC6036276 DOI: 10.3892/ol.2018.8794] [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: 11/30/2017] [Accepted: 05/15/2018] [Indexed: 12/26/2022] Open
Abstract
Mounting evidence has shown that miRNA expression is abnormal in various human cancers. Here, we mainly explored the biological function and the potential mechanisms of miR-1256 in non-small cell lung cancer (NSCLC). The miR-1256 mRNA expression was detected by quantitative real-time PCR and tectonic family member 1 (TCTN1) mRNA expression was detected by immunoblotting. The TCTN1 was identified to be the direct and specific target gene of miR-1256 by luciferase reporter assay. Cell proliferation was examined by methyl thiazolyl tetrazolium assay and migration was detected by transwell assay. MiR-1256 expression was downregulated in NSCLC tissues, whereas the expression of TCTN1 was upregulated, compared with normal tissues. We also found that overexpression of miR-1256 in these NSCLC cell lines inhibited cell proliferation and migration. Furthermore, TCTN1 was identified as a direct target of miR-1256 by luciferase reporter assays. Collectively, these data stated that the inhibitory effect of miR-1256 in NSCLC was realized by upregulating TCTN1, suggesting that miR-1256/TCTN1 axis may play a critical role as NSCLC therapeutic target.
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Affiliation(s)
- Wei Liu
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
| | - Xiuwei Wan
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
| | - Zongyun Mu
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
| | - Fei Li
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
| | - Lei Wang
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
| | - Jing Zhao
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
| | - Xiaori Huang
- Department of Respiratory Medicine, People's Hospital of Rizhao, Rizhao, Shandong 276826, P.R. China
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Ji C, Zhao Y, Kou YW, Shao H, Guo L, Bao CH, Jiang BC, Chen XY, Dai JW, Tong YX, Yang R, Sun W, Wang Q. Cathepsin F Knockdown Induces Proliferation and Inhibits Apoptosis in Gastric Cancer Cells. Oncol Res 2017; 26:83-93. [PMID: 28474574 PMCID: PMC7844561 DOI: 10.3727/096504017x14928634401204] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Gastric cancer (GC) is one of the most common cancers in the world. The cathepsin F (CTSF) gene has recently been found to participate in the progression of several types of cancer. However, the clinical characteristics and function of CTSF in GC as well as its molecular mechanisms are not clear. Six GC cell lines and 44 paired adjacent noncancerous and GC tissue samples were used to assess CTSF expression by quantitative polymerase chain reaction (qPCR). We used lentivirus-mediated small hairpin RNA (Lenti-shRNA) against CTSF to knock down the expression of CTSF in GC cells. Western blot and qPCR were used to analyze the mRNA and related protein expression. The biological phenotypes of gastric cells were examined by cell proliferation and apoptosis assays. Microarray-based mRNA expression profile screening was also performed to evaluate the potential molecular pathways in which CTSF may be involved. The CTSF mRNA level was associated with tumor differentiation, depth of tumor invasion, and lymph node metastasis. Downregulation of CTSF expression efficiently inhibited apoptosis and promoted the proliferation of GC cells. Moreover, a total of 1,117 upregulated mRNAs and 1,143 downregulated mRNAs were identified as differentially expressed genes (DEGs). Further analysis identified the involvement of these mRNAs in cancer-related pathways and various other biological processes. Nine DEGs in cancer-related pathways and three downstream genes in the apoptosis pathway were validated by Western blot, which was mainly in agreement with the microarray data. To our knowledge, this is the first report investigating the effect of CTSF on the growth and apoptosis in GC cells and its clinical significance. The CTSF gene may function as a tumor suppressor in GC and may be a potential therapeutic target in the treatment of GC.
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Affiliation(s)
- Ce Ji
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Ying Zhao
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - You-Wei Kou
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Hua Shao
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Lin Guo
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Chen-Hui Bao
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Ben-Chun Jiang
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Xin-Ying Chen
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Jing-Wei Dai
- Department of Pancreatic and Thyroidal Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Yu-Xin Tong
- Medical Research Center, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Ren Yang
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Wei Sun
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Qiang Wang
- Department of Gastrointestinal and Nutrition Surgery, Shengjing Hospital of China Medical University, Shenyang, P.R. China
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