1
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Xie Y, Xie J, Li L. The Role of Methylation in Ferroptosis. J Cardiovasc Transl Res 2024:10.1007/s12265-024-10539-1. [PMID: 39075241 DOI: 10.1007/s12265-024-10539-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 06/21/2024] [Indexed: 07/31/2024]
Abstract
Methylation modification is a crucial epigenetic alteration encompassing RNA methylation, DNA methylation, and histone methylation. Ferroptosis represents a newly discovered form of programmed cell death (PCD) in 2012, which is characterized by iron-dependent lipid peroxidation. The comprehensive investigation of ferroptosis is therefore imperative for a more profound comprehension of the pathological and pathophysiological mechanisms implicated in a wide array of diseases. Researches show that methylation modifications can exert either promotive or inhibitory effects on cell ferroptosis. Consequently, this review offers a comprehensive overview of the pivotal role played by methylation in ferroptosis, elucidating its associated factors and underlying mechanisms.
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Affiliation(s)
- Yushu Xie
- Class of Clinical Medicine, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Jie Xie
- Class of Excellent Doctor, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Liang Li
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
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2
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Wu J, Zhang F, Zheng X, Chen D, Li Z, Bi Q, Qiu X, Sun Z, Wang W. Identification of bladder cancer subtypes and predictive signature for prognosis, immune features, and immunotherapy based on immune checkpoint genes. Sci Rep 2024; 14:14431. [PMID: 38910160 PMCID: PMC11194261 DOI: 10.1038/s41598-024-65198-8] [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: 12/08/2023] [Accepted: 06/18/2024] [Indexed: 06/25/2024] Open
Abstract
Immunotherapy based on immune checkpoint genes (ICGs) has recently made significant progress in the treatment of bladder cancer patients, but many patients still cannot benefit from it. In the present study, we aimed to perform a comprehensive analysis of ICGs in bladder cancer tissues with the aim of evaluating patient responsiveness to immunotherapy and prognosis. We scored ICGs in each BLCA patient from TCGA and GEO databases by using ssGSEA and selected genes that were significantly associated with ICGs scores by using the WCGNA algorithm. NMF clustering analysis was performed to identify different bladder cancer molecular subtypes based on the expression of ICGs-related genes. Based on the immune related genes differentially expressed among subgroups, we further constructed a novel stratified model containing nine genes by uni-COX regression, LASSO regression, SVM algorithm and multi-COX regression. The model and the nomogram constructed based on the model can accurately predict the prognosis of bladder cancer patients. Besides, the patients classified based on this model have large differences in sensitivity to immunotherapy and chemotherapy, which can provide a reference for individualized treatment of bladder cancer.
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Affiliation(s)
- Jiyue Wu
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Feilong Zhang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Xiang Zheng
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Dongshan Chen
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Zhen Li
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Qing Bi
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Xuemeng Qiu
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China
| | - Zejia Sun
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China.
| | - Wei Wang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, 8 Gong Ti Nan Road, Chaoyang District, Beijing, 100020, China.
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Yang R, He J, Luo W, Xiang R, Zou G, Zhang X, Liu H, Deng J. Comprehensive analysis and prognostic assessment of senescence-associated genes in bladder cancer. Discov Oncol 2024; 15:130. [PMID: 38668876 PMCID: PMC11052743 DOI: 10.1007/s12672-024-00987-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/18/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND The prevalence and mortality of bladder cancer (BLCA) present a significant medical challenge. While the function of senescence-related genes in tumor development is recognized, their prognostic significance in BLCA has not been thoroughly explored. METHODS BLCA transcriptome datasets were sourced from the TCGA and GEO repositories. Gene groupings were determined through differential gene expression and non-negative matrix factorization (NMF) methodologies. Key senescence-linked genes were isolated using singular and multivariate Cox regression analyses, combined with lasso regression. Validation was undertaken with GEO database information. Predictive models, or nomograms, were developed by merging risk metrics with clinical records, and their efficacy was gauged using ROC curve methodologies. The immune response's dependency on the risk metric was assessed through the immune phenomenon score (IPS). Additionally, we estimated IC50 metrics for potential chemotherapeutic agents. RESULTS Reviewing 406 neoplastic and 19 standard tissue specimens from the TCGA repository facilitated the bifurcation of subjects into two unique clusters (C1 and C2) according to senescence-related gene expression. After a stringent statistical evaluation, a set of ten pivotal genes was discerned and applied for risk stratification. Validity tests for the devised nomograms in forecasting 1, 3, and 5-year survival probabilities for BLCA patients were executed via ROC and calibration plots. IC50 estimations highlighted a heightened responsiveness in the low-risk category to agents like cisplatin, cyclopamine, and sorafenib. CONCLUSIONS In summation, our research emphasizes the prospective utility of risk assessments rooted in senescence-related gene signatures for enhancing BLCA clinical oversight.
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Affiliation(s)
- Ruilin Yang
- Jinan University, 601 Huangpu Avenue West, Tianhe District, Guangzhou, 511400, China
- Andrology Clinic, The Affiliated Panyu Central Hospital of Guangzhou Medical University, 8 East Fuyu Road, Qiaonan Street, Panyu District, Guangzhou, 511400, China
| | - Jieling He
- Ultrasonography Department, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, 511400, China
| | - Wenfeng Luo
- Central Laboratory, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, 511400, China
| | - Renyang Xiang
- Department of Surgery, The University of HongKong-Shenzhen Hospital, Shenzhen, 518053, Guangdong, China
| | - Ge Zou
- Urology Department, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, 511400, China
| | - Xintao Zhang
- Department of Urology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 511400, China.
| | - Huang Liu
- National Health Commission (NHC) Key Laboratory of Male Reproduction and Genetics, Department of Andrology, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Human Sperm Bank of Guangdong Province, Guangzhou, China.
| | - Junhong Deng
- Department of Andrology, Guangzhou First People's Hospital, The Second Affiliated Hospital of South China University of Technology, Guangzhou, China.
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4
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Zeng J, Zhang X, Lin Z, Zhang Y, Yang J, Dou P, Liu T. Harnessing ferroptosis for enhanced sarcoma treatment: mechanisms, progress and prospects. Exp Hematol Oncol 2024; 13:31. [PMID: 38475936 DOI: 10.1186/s40164-024-00498-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 03/03/2024] [Indexed: 03/14/2024] Open
Abstract
Sarcoma is a malignant tumor that originates from mesenchymal tissue. The common treatment for sarcoma is surgery supplemented with radiotherapy and chemotherapy. However, patients have a 5-year survival rate of only approximately 60%, and sarcoma cells are highly resistant to chemotherapy. Ferroptosis is an iron-dependent nonapoptotic type of regulated programmed cell death that is closely related to the pathophysiological processes underlying tumorigenesis, neurological diseases and other conditions. Moreover, ferroptosis is mediated via multiple regulatory pathways that may be targets for disease therapy. Recent studies have shown that the induction of ferroptosis is an effective way to kill sarcoma cells and reduce their resistance to chemotherapeutic drugs. Moreover, ferroptosis-related genes are related to the immune system, and their expression can be used to predict sarcoma prognosis. In this review, we describe the molecular mechanism underlying ferroptosis in detail, systematically summarize recent research progress with respect to ferroptosis application as a sarcoma treatment in various contexts, and point out gaps in the theoretical research on ferroptosis, challenges to its clinical application, potential resolutions of these challenges to promote ferroptosis as an efficient, reliable and novel method of clinical sarcoma treatment.
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Affiliation(s)
- Jing Zeng
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Xianghong Zhang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Zhengjun Lin
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Yu Zhang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Jing Yang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
- Department of Orthopedics, The Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, 830000, Xinjiang, China
| | - Pengcheng Dou
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Tang Liu
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.
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Gong H, Li Z, Wu Z, Lian G, Su Z. Modulation of ferroptosis by non‑coding RNAs in cancers: Potential biomarkers for cancer diagnose and therapy. Pathol Res Pract 2024; 253:155042. [PMID: 38184963 DOI: 10.1016/j.prp.2023.155042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/14/2023] [Accepted: 12/16/2023] [Indexed: 01/09/2024]
Abstract
Ferroptosis is a recently discovered cell programmed death. Extensive researches have indicated that ferroptosis plays an essential role in tumorigenesis, development, migration and chemotherapy drugs resistance, which makes it become a new target for tumor therapy. Non-coding RNAs (ncRNAs) are considered to control a wide range of cellular processes by modulating gene expression. Recent studies have indicated that ncRNAs regulate the process of ferroptosis via various pathway to affect the development of cancer. However, the regulation network remains ambiguous. In this review, we outlined the major metabolic processes of ferroptosis and concluded the relationship between ferroptosis-related ncRNAs and cancer progression. In addition, the prospect of ncRNAs being new therapeutic targets and early diagnosis biomarkers for cancer by regulating ferroptosis were presented, and the possible obstacles were also predicted. This could help in discovering novel cancer early diagnostic methods and therapeutic approaches.
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Affiliation(s)
- Huifang Gong
- Department of Biochemistry and Molecular Biology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Zheng Li
- Department of Biochemistry and Molecular Biology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Zhimin Wu
- Department of Biochemistry and Molecular Biology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Gaojian Lian
- Department of Biochemistry and Molecular Biology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
| | - Zehong Su
- Department of Biochemistry and Molecular Biology, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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Tan Y, Dong X, Zhuang D, Cao B, Jiang H, He Q, Zhao M. Emerging roles and therapeutic potentials of ferroptosis: from the perspective of 11 human body organ systems. Mol Cell Biochem 2023; 478:2695-2719. [PMID: 36913150 DOI: 10.1007/s11010-023-04694-3] [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: 07/07/2022] [Accepted: 02/26/2023] [Indexed: 03/14/2023]
Abstract
Since ferroptosis was first described as an iron-dependent cell death pattern in 2012, there has been increasing interest in ferroptosis research. In view of the immense potential of ferroptosis in treatment efficacy and its rapid development in recent years, it is essential to track and summarize the latest research in this field. However, few writers have been able to draw on any systematic investigation into this field based on human body organ systems. Hence, in this review, we provide a comprehensive description of the latest progress in unveiling the roles and functions, as well as the therapeutic potential of ferroptosis, in treating diseases from the aspects of 11 human body organ systems (including the nervous system, respiratory system, digestive system, urinary system, reproductive system, integumentary system, skeletal system, immune system, cardiovascular system, muscular system, and endocrine system) in the hope of providing references for further understanding the pathogenesis of related diseases and bringing an innovative train of thought for reformative clinical treatment.
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Affiliation(s)
- Yaochong Tan
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
- Medical School of Xiangya, Central South University, Changsha, 410013, Hunan, China
| | - Xueting Dong
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
- Medical School of Xiangya, Central South University, Changsha, 410013, Hunan, China
| | - Donglin Zhuang
- Department of Structural Heart Disease, National Center for Cardiovascular Disease, China & Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100037, China
| | - Buzi Cao
- Hunan Normal University School of Medicine, Changsha, 410081, Hunan, China
| | - Hua Jiang
- Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, Guangdong, China.
| | - Qingnan He
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
| | - Mingyi Zhao
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
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7
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Shan Z, Tang W, Shi Z, Shan T. Ferroptosis: An Emerging Target for Bladder Cancer Therapy. Curr Issues Mol Biol 2023; 45:8201-8214. [PMID: 37886960 PMCID: PMC10605744 DOI: 10.3390/cimb45100517] [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: 08/27/2023] [Revised: 09/28/2023] [Accepted: 09/30/2023] [Indexed: 10/28/2023] Open
Abstract
Bladder cancer (BC), as one of the main urological cancers in the world, possesses the abilities of multiple-drug resistance and metastasis. However, there remains a significant gap in the understanding and advancement of prognosis and therapeutic strategies for BC. Ferroptosis, a novel type of iron-dependent regulated cell death, depends on lipid peroxidation, which has been proven to have a strong correlation with the development and treatment of BC. Its mechanism mainly includes three pathways, namely, lipid peroxidation, the antioxidant system, and the iron overload pathway. In this review, we reviewed the mechanism of ferroptosis, along with the related therapeutic targets and drugs for BC, as it might become a new anticancer treatment in the future.
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Affiliation(s)
- Zhengda Shan
- School of Medicine, Sun Yat-sen University, Shenzhen 518107, China;
| | - Wenbin Tang
- School of Medicine, Xiamen University, Xiamen 361102, China;
| | - Zhiyuan Shi
- School of Medicine, Xiamen University, Xiamen 361102, China;
| | - Tao Shan
- School of Basic Medicine, Qingdao University, Qingdao 266071, China
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8
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Wang X, Kong X, Feng X, Jiang DS. Effects of DNA, RNA, and Protein Methylation on the Regulation of Ferroptosis. Int J Biol Sci 2023; 19:3558-3575. [PMID: 37497000 PMCID: PMC10367552 DOI: 10.7150/ijbs.85454] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/26/2023] [Indexed: 07/28/2023] Open
Abstract
Ferroptosis is a form of programmed cell death characterized by elevated intracellular ferrous ion levels and increased lipid peroxidation. Since its discovery and characterization in 2012, considerable progress has been made in understanding the regulatory mechanisms and pathophysiological functions of ferroptosis. Recent findings suggest that numerous organ injuries (e.g., ischemia/reperfusion injury) and degenerative pathologies (e.g., aortic dissection and neurodegenerative disease) are driven by ferroptosis. Conversely, insufficient ferroptosis has been linked to tumorigenesis. Furthermore, a recent study revealed the effect of ferroptosis on hematopoietic stem cells under physiological conditions. The regulatory mechanisms of ferroptosis identified to date include mainly iron metabolism, such as iron transport and ferritinophagy, and redox systems, such as glutathione peroxidase 4 (GPX4)-glutathione (GSH), ferroptosis-suppressor-protein 1 (FSP1)-CoQ10, FSP1-vitamin K (VK), dihydroorotate dehydrogenase (DHODH)-CoQ, and GTP cyclohydrolase 1 (GCH1)-tetrahydrobiopterin (BH4). Recently, an increasing number of studies have demonstrated the important regulatory role played by epigenetic mechanisms, especially DNA, RNA, and protein methylation, in ferroptosis. In this review, we provide a critical analysis of the molecular mechanisms and regulatory networks of ferroptosis identified to date, with a focus on the regulatory role of DNA, RNA, and protein methylation. Furthermore, we discuss some debated findings and unanswered questions that should be the foci of future research in this field.
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Affiliation(s)
- Xiancan Wang
- Department of Cardiovascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - Xianghai Kong
- Department of Intervention & Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and echnology, Wuhan, 430014, Hubei, China
| | - Xin Feng
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ding-Sheng Jiang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China
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9
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Zhou R, Zhou J, Muhuitijiang B, Zeng X, Tan W. Construction and experimental validation of a B cell-related gene signature to predict the prognosis and immunotherapeutic sensitivity in bladder cancer. Aging (Albany NY) 2023; 15:5355-5380. [PMID: 37379131 PMCID: PMC10333061 DOI: 10.18632/aging.204753] [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: 03/02/2023] [Accepted: 05/09/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND B cells are essential components of tumor microenvironment and exert important functions in anti-tumor immune response. However, the prognosis value of B cell-related genes in bladder cancer (BLCA) remains obscure. MATERIALS AND METHODS The infiltrating levels of B cells were measured via the CD20 staining in the local samples and the computational biology analyses in the TCGA-BLCA cohort. The single-cell RNA sequencing analysis, gene-pair strategy, LASSO regression, random forest, and Cox regression were used for B cell-related signature construction. TCGA-BLCA cohort was chosen as the training cohort, and three independent cohorts from GEO and the local cohort were used for external validation. 326 B cells were adopted to explore the association between the model and B cells' biological processes. TIDE algorithm and two BLCA cohorts receiving anti-PD1/PDL1 treatment were utilized to detect its predictive ability to the immunotherapeutic response. RESULTS High infiltration levels of B cells heralded favorable prognosis, both in the TCGA-BLCA cohort and the local cohort (all P < 0.05). A 5-gene-pair model was established and served as a significant prognosis predictor across multiple cohorts (pooled hazard ratio = 2.79, 95% confidence interval = 2.22-3.49). The model could evaluate the prognosis effectively in 21 of 33 cancer types (P < 0.05). The signature was negatively associated with B cells' activation, proliferation, and infiltrating levels, and could serve as a potential predictor of immunotherapeutic outcomes. CONCLUSIONS A B cell-related gene signature was constructed to predict the prognosis and immunotherapeutic sensitivity in BLCA, helping to guide the personalized treatment.
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Affiliation(s)
- Ranran Zhou
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, Guangdong, China
| | - Jiawei Zhou
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, Guangdong, China
| | - Bahaerguli Muhuitijiang
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, Guangdong, China
| | - Xiangbo Zeng
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, Guangdong, China
| | - Wanlong Tan
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, Guangdong, China
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10
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Liu L, Liang L, Li H, Shao W, Yang C, Lin F, Liu J, Zhang J. The role of m6A-mediated PD-1/PD-L1 in antitumor immunity. Biochem Pharmacol 2023; 210:115460. [PMID: 36822438 DOI: 10.1016/j.bcp.2023.115460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 02/25/2023]
Abstract
N6-methyladenosine (m6A) is the most prevalent, abundant and conserved type of internal posttranscriptional RNA modification in eukaryotic cells. Emerging evidence suggests that m6A modifications perform important functions that affect antitumor immunity. Programmed death 1 (PD-1) and programmed cell death-ligand 1 (PD-L1) are the two most well-studied immune checkpoint pathways. The interaction of PD-L1 with its receptor PD-1 inhibits cytotoxic T-cell-mediated tumor responses, and blockade of this interaction has proven to be an effective immunotherapy strategy in various cancers. Unfortunately, few cancer patients benefit from the two tools due to uncertain resistance. m6A plays an important role in affecting RNA biogenesis and process in various cancers. Understanding the molecular mechanism of drug resistance will promote the development of personalized clinical management. In this review, we systematically discussed the mechanisms by which m6A regulates PD-1 and PD-L1 expression and further their functions in the process of tumor immunotherapy and the potential application prospects of m6A-associated molecules. Moreover, mounting m6Ascore is established to evaluate the prognosis of cancer.
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Affiliation(s)
- Li Liu
- The First Affiliated Hospital, Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, Hengyang Medical School, University of South China, Hengyang, 421001 Hunan, China
| | - Long Liang
- Hunan Province Key Laboratory of Basic and Applied Hematology, Molecular Biology Research Center & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410078 Hunan, China
| | - Hui Li
- Hunan Province Key Laboratory of Basic and Applied Hematology, Molecular Biology Research Center & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410078 Hunan, China; Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wenjun Shao
- The First Affiliated Hospital, Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, Hengyang Medical School, University of South China, Hengyang, 421001 Hunan, China
| | - Chaoying Yang
- Hunan Province Key Laboratory of Basic and Applied Hematology, Molecular Biology Research Center & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410078 Hunan, China
| | - Feng Lin
- Department of Urology Surgery, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033 Guangdong, China.
| | - Jing Liu
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Ji Zhang
- The First Affiliated Hospital, Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, Hengyang Medical School, University of South China, Hengyang, 421001 Hunan, China; The Affiliated Nanhua Hospital, Department of Clinical Laboratory, Hengyang Medical School, University of South China, Hengyang, 421002 Hunan, China.
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11
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Wang S, Jiang B, Xie D, Li X, Wu G. Regulatory roles of ferroptosis-related non-coding RNAs and their research progress in urological malignancies. Front Genet 2023; 14:1133020. [PMID: 36936418 PMCID: PMC10017998 DOI: 10.3389/fgene.2023.1133020] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 02/20/2023] [Indexed: 03/06/2023] Open
Abstract
Ferroptosis is a new type of cell death characterized by damage to the intracellular microenvironment, which causes the accumulation of lipid hydroperoxide and reactive oxygen species to cause cytotoxicity and regulated cell death. Non-coding RNAs (ncRNAs) play an important role in gene expression at the epigenetic, transcriptional, and post-transcriptional levels through interactions with different DNAs, RNAs, or proteins. Increasing evidence has shown that ferroptosis-related ncRNAs are closely related to the occurrence and progression of several diseases, including urological malignancies. Recently, the role of ferroptosis-associated ncRNAs (long non-coding RNAs, micro RNAs, and circular RNAs) in the occurrence, drug resistance, and prognosis of urological malignancies has attracted widespread attention. However, this has not yet been addressed systematically. In this review, we discuss this issue as much as possible to expand the knowledge and understanding of urological malignancies to provide new ideas for exploring the diagnosis and treatment of urological malignancies in the future. Furthermore, we propose some challenges in the clinical application of ferroptosis-associated ncRNAs.
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Affiliation(s)
| | | | | | - Xiunan Li
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Guangzhen Wu
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
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12
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Zeng F, Lan Y, Wang N, Huang X, Zhou Q, Wang Y. Ferroptosis: A new therapeutic target for bladder cancer. Front Pharmacol 2022; 13:1043283. [PMID: 36408230 PMCID: PMC9669411 DOI: 10.3389/fphar.2022.1043283] [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: 09/13/2022] [Accepted: 10/17/2022] [Indexed: 12/13/2023] Open
Abstract
Bladder cancer (BC) is the most frequent type of urinary system cancer. The prognosis of BC is poor due to high metastasis rates and multidrug resistance. Hence, development of novel therapies targeting BC cell death is urgently needed. As a novel cell death type with strong antitumor potential, ferroptosis has been investigated by many groups for its potential in BC treatment. As an iron-dependent cell death process, ferroptosis is characterized by excessive oxidative phospholipids. The molecular mechanisms of ferroptosis include iron overload and the system Xc-GSH-GPX4 signaling pathway. A recent study revealed that ferroptosis is involved in the metastasis, treatment, and prognosis of BC. Herein, in this review, we comprehensively summarize the mechanism of ferroptosis, address newly identified targets involved in ferroptosis, and discuss the potential of new clinical therapies targeting ferroptosis in BC.
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Affiliation(s)
- Fan Zeng
- Department of Critical Care Medicine, Sichuan Academy of Medical Science, Chengdu, China
| | - Yunping Lan
- Department of Critical Care Medicine, Sichuan Academy of Medical Science, Chengdu, China
| | - Ning Wang
- Department of Critical Care Medicine, Sichuan Academy of Medical Science, Chengdu, China
| | - Xiaobo Huang
- Department of Critical Care Medicine, Sichuan Academy of Medical Science, Chengdu, China
| | - Qiao Zhou
- Department of Rheumatology and Immunology, Sichuan Academy of Medical Science and Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Yi Wang
- Department of Critical Care Medicine, Sichuan Academy of Medical Science, Chengdu, China
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