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Ma Z, Sun J, Li Z, Huang S, Li B. AMDHD1 acts as a tumor suppressor and contributes to activation of TGF-β signaling pathway in cholangiocarcinoma. Cell Death Differ 2024:10.1038/s41418-024-01361-y. [PMID: 39143229 DOI: 10.1038/s41418-024-01361-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 08/07/2024] [Accepted: 08/08/2024] [Indexed: 08/16/2024] Open
Abstract
Cholangiocarcinoma (CCA) is a malignant tumor of the digestive system, characterized by its aggressive behavior and the absence of effective therapeutic biomarkers. Although recent studies have implicated AMDHD1 in tumor formation, its role in CCA development has been insufficiently explored. We utilized multiple bioinformatic datasets alongside 108 clinical samples to examine AMDHD1 expression in CCA. Then, in vitro and in vivo experiments were conducted to assess its impact on tumor growth and metastasis. Furthermore, proteomic analysis and immunoprecipitation mass spectrometry were employed to identify the downstream effectors of AMDHD1. We discovered that AMDHD1 was down-regulated in CCA and this down-regulation was associated with adverse clinicopathological features and prognosis. We also demonstrated that overexpression of AMDHD1 hindered G1/S progression in the cell cycle and promoted apoptosis, thereby inhibiting tumor growth and metastasis. Mechanistically, we found that AMDHD1 operated in a TGF-β-dependent manner and the inhibition of TGF-β signaling abrogated the effect of AMDHD1 overexpression on CCA cells. Specifically, AMDHD1 inhibited the ubiquitination and degradation of the SMAD4 protein through binding to the MH2 domain and synergistically enhanced SMAD2/3 phosphorylation, which activated of TGF-β signaling pathway and resulted in the suppression of CCA cell proliferation and migration. Our study identifies AMDHD1 as a significant prognostic biomarker and a tumor suppressor in CCA. It underscores the pivotal role of the AMDHD1/TGF-β signaling pathway in the development and progression of CCA.
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Affiliation(s)
- Zuyi Ma
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jia Sun
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Zhenchong Li
- Junior Clinical Cooperation Unit Translational Gastrointestinal Oncology and Preclinical Models, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Shanzhou Huang
- Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China.
- Southern Medical University, Guangzhou, China.
| | - Binglu Li
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
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2
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Xu P, Liu K, Huang S, Lv J, Yan Z, Ge H, Cheng Q, Chen Z, Ji P, Qian Y, Li B, Xu H, Yang L, Xu Z, Zhang D. N 6-methyladenosine-modified MIB1 promotes stemness properties and peritoneal metastasis of gastric cancer cells by ubiquitinating DDX3X. Gastric Cancer 2024; 27:275-291. [PMID: 38252226 DOI: 10.1007/s10120-023-01463-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 12/19/2023] [Indexed: 01/23/2024]
Abstract
BACKGROUND Peritoneal metastasis (PM), one of the most typical forms of metastasis in advanced gastric cancer (GC), indicates a poor prognosis. Exploring the potential molecular mechanism of PM is urgently necessary, as it has not been well studied. E3 ubiquitin ligase has been widely established to exert a biological function in various cancers, but its mechanism of action in GC with PM remains unknown. METHODS The effect of MIB1 on PM of GC was confirmed in vitro and in vivo. Co-immunoprecipitation (Co-IP) and mass spectrometry demonstrated the association between MIB1 and DDX3X. Western blot, flow cytometry and immunofluorescence determined that DDX3X was ubiquitylated by MIB1 and promoted stemness. We further confirmed that METTL3 promoted the up-regulation of MIB1 by RNA immunoprecipitation (RIP), luciferase reporter assay and other experiments. RESULTS We observed that the E3 ubiquitin ligase Mind bomb 1 (MIB1) was highly expressed in PMs, and patients with PM with high MIB1 expression showed a worse prognosis than those with low MIB1 expression. Mechanistically, our study demonstrated that the E3 ubiquitin ligase MIB1 promoted epithelial-mesenchymal transition (EMT) progression and stemness in GC cells by degrading DDX3X. In addition, METTL3 mediated m6A modification to stabilize MIB1, which required the m6A reader IGF2BP2. CONCLUSIONS Our study elucidated the specific molecular mechanism by which MIB1 promotes PM of GC, and suggested that targeting the METTL3-MIB1-DDX3X axis may be a promising therapeutic strategy for GC with PM.
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Affiliation(s)
- Peng Xu
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Kanghui Liu
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Shansong Huang
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Jialun Lv
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Zhengyuan Yan
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- Department of Surgery, Nanjing Lishui People's Hospital, Nanjing, 211200, China
| | - Han Ge
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Quan Cheng
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Zetian Chen
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Peicheng Ji
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Yawei Qian
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Bowen Li
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Hao Xu
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Li Yang
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Zekuan Xu
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Diancai Zhang
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
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3
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Li W, Wang Z. Ubiquitination Process Mediates Prostate Cancer Development and Metastasis through Multiple Mechanisms. Cell Biochem Biophys 2024; 82:77-90. [PMID: 37847340 PMCID: PMC10866789 DOI: 10.1007/s12013-023-01156-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 07/30/2023] [Indexed: 10/18/2023]
Abstract
Prostate cancer (PCa) is a common malignant tumor in men, when the disease progresses to the advanced stage, most patients will develop distant metastasis and develop into castration-resistant prostate cancer (CRPC), resulting in increased mortality. Ubiquitination is a widespread protein post-translational modification process in the biological world, and it plays an important role in the development and transfer of PCa. E3 ubiquitin ligase plays an important role in the specific selection and role of substrates in the process of ubiquitination ligase. This review will briefly introduce the ubiquitination process and E3 ubiquitin ligase, focus on the recently discovered multiple mechanisms by which ubiquitination affects PCa development and metastasis, and a summary of the current emerging proteolysis-targeting chimeras (PROTAC) in the treatment of PCa.
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Affiliation(s)
- Wen Li
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Zhiyu Wang
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China.
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4
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Cai C, Radhakrishnan A, Uhler C. Synthetic Lethality Screening with Recursive Feature Machines. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.03.569803. [PMID: 38106093 PMCID: PMC10723282 DOI: 10.1101/2023.12.03.569803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Synthetic lethality refers to a genetic interaction where the simultaneous perturbation of gene pairs leads to cell death. Synthetically lethal gene pairs (SL pairs) provide a potential avenue for selectively targeting cancer cells based on genetic vulnerabilities. The rise of large-scale gene perturbation screens such as the Cancer Dependency Map (DepMap) offers the opportunity to identify SL pairs automatically using machine learning. We build on a recently developed class of feature learning kernel machines known as Recursive Feature Machines (RFMs) to develop a pipeline for identifying SL pairs based on CRISPR viability data from DepMap. In particular, we first train RFMs to predict viability scores for a given CRISPR gene knockout from cell line embeddings consisting of gene expression and mutation features. After training, RFMs use a statistical operator known as average gradient outer product to provide weights for each feature indicating the importance of each feature in predicting cellular viability. We subsequently apply correlation-based filters to re-weight RFM feature importances and identify those features that are most indicative of low cellular viability. Our resulting pipeline is computationally efficient, taking under 3 minutes for analyzing all 17, 453 knockouts from DepMap for candidate SL pairs. We show that our pipeline more accurately recovers experimentally verified SL pairs than prior approaches. Moreover, our pipeline finds new candidate SL pairs, thereby opening novel avenues for identifying genetic vulnerabilities in cancer.
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Affiliation(s)
- Cathy Cai
- Eric and Wendy Schmidt Center, Broad Institute of MIT and Harvard
- Laboratory of Information and Decision Systems, Massachusetts Institute of Technology
| | - Adityanarayanan Radhakrishnan
- Eric and Wendy Schmidt Center, Broad Institute of MIT and Harvard
- School of Engineering and Applied Sciences, Harvard University
| | - Caroline Uhler
- Eric and Wendy Schmidt Center, Broad Institute of MIT and Harvard
- Laboratory of Information and Decision Systems, Massachusetts Institute of Technology
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5
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Wang Q, Xiong F, Wu G, Wang D, Liu W, Chen J, Qi Y, Wang B, Chen Y. SMAD Proteins in TGF-β Signalling Pathway in Cancer: Regulatory Mechanisms and Clinical Applications. Diagnostics (Basel) 2023; 13:2769. [PMID: 37685308 PMCID: PMC10487229 DOI: 10.3390/diagnostics13172769] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/17/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Suppressor of mother against decapentaplegic (SMAD) family proteins are central to one of the most versatile cytokine signalling pathways in metazoan biology, the transforming growth factor-β (TGF-β) pathway. The TGF-β pathway is widely known for its dual role in cancer progression as both an inhibitor of tumour cell growth and an inducer of tumour metastasis. This is mainly mediated through SMAD proteins and their cofactors or regulators. SMAD proteins act as transcription factors, regulating the transcription of a wide range of genes, and their rich post-translational modifications are influenced by a variety of regulators and cofactors. The complex role, mechanisms, and important functions of SMAD proteins in tumours are the hot topics in current oncology research. In this paper, we summarize the recent progress on the effects and mechanisms of SMAD proteins on tumour development, diagnosis, treatment and prognosis, and provide clues for subsequent research on SMAD proteins in tumours.
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Affiliation(s)
- Qi Wang
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Fei Xiong
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Guanhua Wu
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Da Wang
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Wenzheng Liu
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Junsheng Chen
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Yongqiang Qi
- Key Laboratory of Laparoscopic Technology of Zhejiang Province, Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China;
| | - Bing Wang
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
| | - Yongjun Chen
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Q.W.); (F.X.); (G.W.); (D.W.); (W.L.); (J.C.); (B.W.)
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Zhao X, Wang Z, Tang Z, Hu J, Zhou Y, Ge J, Dong J, Xu S. An anoikis-related gene signature for prediction of the prognosis in prostate cancer. Front Oncol 2023; 13:1169425. [PMID: 37664042 PMCID: PMC10469923 DOI: 10.3389/fonc.2023.1169425] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 06/21/2023] [Indexed: 09/05/2023] Open
Abstract
Purpose This study presents a novel approach to predict postoperative biochemical recurrence (BCR) in prostate cancer (PCa) patients which involves constructing a signature based on anoikis-related genes (ARGs). Methods In this study, we utilised data from TCGA-PARD and GEO databases to identify specific ARGs in prostate cancer. We established a signature of these ARGs using Cox regression analysis and evaluated their clinical predictive efficacy and immune-related status through various methods such as Kaplan-Meier survival analysis, subject work characteristics analysis, and CIBERSORT method. Our findings suggest that these ARGs may have potential as biomarkers for prostate cancer prognosis and treatment. To investigate the biological pathways of genes associated with anoikis, we utilised GSVA, GO, and KEGG. The expression of ARGs was confirmed by the HPA database. Furthermore, we conducted PPI analysis to identify the core network of ARGs in PCa. Results Based on analysis of the TCGA database, a set of eight ARGs were identified as prognostic signature genes for prostate cancer. The reliability and validity of this signature were well verified in both the TCGA and GEO codifications. Using this signature, patients were classified into two groups based on their risk for developing BCR. There was a significant difference in BCR-free time between the high and low risk groups (P < 0.05).This signature serves as a dependable and unbiased prognostic factor for predicting biochemical recurrence (BCR) in prostate cancer (PCa) patients. It outperforms clinicopathological characteristics in terms of accuracy and reliability. PLK1 may play a potential regulatory role as a core gene in the development of prostate cancer. Conclusion This signature suggests the potential role of ARGs in the development and progression of PCa and can effectively predict the risk of BCR in PCa patients after surgery. It also provides a basis for further research into the mechanism of ARGs in PCa and for the clinical management of patients with PCa.
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Affiliation(s)
- Xiaodong Zhao
- Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Zuheng Wang
- Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Zilu Tang
- Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Jun Hu
- Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Yulin Zhou
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Jingping Ge
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Jie Dong
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
| | - Song Xu
- Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Urology, Eastern Theater General Hospital of Medical School Of Nan Jing University, Nanjing, Jiangsu, China
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7
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Jeon HY, Pornour M, Ryu H, Khadka S, Xu R, Jang J, Li D, Chen H, Hussain A, Fazli L, Gleave M, Dong X, Huang F, Wang Q, Barbieri C, Qi J. SMAD3 promotes expression and activity of the androgen receptor in prostate cancer. Nucleic Acids Res 2023; 51:2655-2670. [PMID: 36727462 PMCID: PMC10085708 DOI: 10.1093/nar/gkad043] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 01/10/2023] [Accepted: 01/13/2023] [Indexed: 02/03/2023] Open
Abstract
Overexpression of androgen receptor (AR) is the primary cause of castration-resistant prostate cancer, although mechanisms upregulating AR transcription in this context are not well understood. Our RNA-seq studies revealed that SMAD3 knockdown decreased levels of AR and AR target genes, whereas SMAD4 or SMAD2 knockdown had little or no effect. ChIP-seq analysis showed that SMAD3 knockdown decreased global binding of AR to chromatin. Mechanistically, we show that SMAD3 binds to intron 3 of the AR gene to promote AR expression. Targeting these binding sites by CRISPRi reduced transcript levels of AR and AR targets. In addition, ∼50% of AR and SMAD3 ChIP-seq peaks overlapped, and SMAD3 may also cooperate with or co-activate AR for AR target expression. Functionally, AR re-expression in SMAD3-knockdown cells partially rescued AR target expression and cell growth defects. The SMAD3 peak in AR intron 3 overlapped with H3K27ac ChIP-seq and ATAC-seq peaks in datasets of prostate cancer. AR and SMAD3 mRNAs were upregulated in datasets of metastatic prostate cancer and CRPC compared with primary prostate cancer. A SMAD3 PROTAC inhibitor reduced levels of AR, AR-V7 and AR targets in prostate cancer cells. This study suggests that SMAD3 could be targeted to inhibit AR in prostate cancer.
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Affiliation(s)
- Hee-Young Jeon
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | - Majid Pornour
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | - Hyunju Ryu
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | - Sudeep Khadka
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | - Rui Xu
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Institute of Marine and Environmental Technology, University of Maryland, Baltimore, MD, USA
| | - Jihyun Jang
- Department of Cardiac Surgery, University of Maryland, Baltimore, MD, USA
| | - Deqiang Li
- Department of Cardiac Surgery, University of Maryland, Baltimore, MD, USA
| | - Hegang Chen
- Department of Epidemiology and Public Health, University of Maryland, Baltimore, MD, USA
| | - Arif Hussain
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
- Baltimore VA Medical Center, Baltimore, MD, USA
| | - Ladan Fazli
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Martin Gleave
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Xuesen Dong
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Furong Huang
- Department of Pathology and Duke Cancer Institute, Duke University School of Medicine, Durham, NC, USA
| | - Qianben Wang
- Department of Pathology and Duke Cancer Institute, Duke University School of Medicine, Durham, NC, USA
| | | | - Jianfei Qi
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
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8
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Hua X, Zhu QW, Zhang YN, Cao L, Wang MD, Gao YS, Chen JY. The prognostic significance of human ovarian aging-related signature in breast cancer after surgery: A multicohort study. Front Immunol 2023; 14:1139797. [PMID: 36960071 PMCID: PMC10027938 DOI: 10.3389/fimmu.2023.1139797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/24/2023] [Indexed: 03/09/2023] Open
Abstract
Background Recent studies have shown that ovarian aging is strongly associated with the risk of breast cancer, however, its prognostic impact on breast cancer is not yet fully understood. In this study, we performed a multicohort genetic analysis to explore its prognostic value and biological features in breast cancer. Methods The gene expression and clinicopathological data of 3366 patients from the The Cancer Genome Atlas (TCGA) cohort, the Molecular Taxonomy of Breast Cancer International Consortium (METABRIC) cohort and the GSE86166 cohort were analyzed. A total of 290 ovarian aging-related genes (OARGs) were included in the establishment of the prognostic model. Furthermore, functional mechanisms analysis, drug sensitivity, and immune cell infiltration were investigated using bioinformatic methods. Results An eight OARG-based signature was established and validated using independent cohorts. Two risk subgroups of patients with distinct survival outcomes were identified by the OARG-based signature. A nomogram with good predictive performance was developed by integrating the OARG risk score with clinicopathological factors. Moreover, the OARG-based signature was correlated with DNA damage repair, immune cell signaling pathways, and immunomodulatory functions. The patients in the low-risk subgroup were found to be sensitive to traditional chemotherapeutic, endocrine, and targeted agents (doxorubicin, tamoxifen, lapatinib, etc.) and some novel targeted drugs (sunitinib, pazopanib, etc.). Moreover, patients in the low-risk subgroup may be more susceptible to immune escape and therefore respond less effectively to immunotherapy. Conclusions In this study, we proposed a comprehensive analytical method for breast cancer assessment based on OARG expression patterns, which could precisely predict clinical outcomes and drug sensitivity of breast cancer patients.
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Affiliation(s)
- Xin Hua
- Department of Radiation Oncology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Qi-Wei Zhu
- Department of Radiation Oncology, Affiliated Tumor Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yi-Nuan Zhang
- Department of Radiation Oncology, The First People’s Hospital of Foshan, Foshan, Guangdong, China
| | - Lu Cao
- Department of Radiation Oncology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Meng-Di Wang
- Department of Radiation Oncology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Yun-Sheng Gao
- Department of Radiation Oncology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Jia-Yi Chen
- Department of Radiation Oncology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
- *Correspondence: Jia-Yi Chen,
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9
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Lu B. Translational regulation by ribosome-associated quality control in neurodegenerative disease, cancer, and viral infection. Front Cell Dev Biol 2022; 10:970654. [PMID: 36187485 PMCID: PMC9515510 DOI: 10.3389/fcell.2022.970654] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/30/2022] [Indexed: 11/22/2022] Open
Abstract
Translational control at the initiation, elongation, and termination steps exerts immediate effects on the rate as well as the spatiotemporal dynamics of new protein synthesis, shaping the composition of the proteome. Translational control is particularly important for cells under stress as during viral infection or in disease conditions such as cancer and neurodegenerative diseases. Much has been learned about the control mechanisms acting at the translational initiation step under normal or pathological conditions. However, problems during the elongation or termination steps of translation can lead to ribosome stalling and ribosome collision, which will trigger ribosome-associated quality control (RQC) mechanism. Inadequate RQC may lead to the accumulation of faulty translation products that perturb protein homeostasis (proteostasis). Proteostasis signifies a cellular state in which the synthesis, folding, and degradation of proteins are maintained at a homeostatic state such that an intact proteome is preserved. Cellular capacity to preserve proteostasis declines with age, which is thought to contribute to age-related diseases. Proteostasis failure manifested as formation of aberrant protein aggregates, epitomized by the amyloid plaques in Alzheimer’s disease (AD), is a defining feature of neurodegenerative diseases. The root cause of the proteostasis failure and protein aggregation is still enigmatic. Here I will review recent studies supporting that faulty translation products resulting from inadequate RQC of translational stalling and ribosome collision during the translation of problematic mRNAs can be the root cause of proteostasis failure and may represent novel therapeutic targets for neurodegenerative diseases. I will also review evidence that translation regulation by RQC is operative in cancer cells and during viral infection. Better understanding of RQC mechanism may lead to novel therapeutic strategies against neurodegenerative diseases, cancer, and viral infections, including the ongoing COVID-19 pandemic.
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