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Zhang Z, Zhang W, Liu X, Yan Y, Fu W. T lymphocyte‑related immune response and immunotherapy in gastric cancer (Review). Oncol Lett 2024; 28:537. [PMID: 39319215 PMCID: PMC11421013 DOI: 10.3892/ol.2024.14670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 08/22/2024] [Indexed: 09/26/2024] Open
Abstract
Gastric cancer (GC) remains a global healthcare challenge because of its high incidence and poor prognosis. The efficacy of current chemotherapy regimens for advanced GC is limited. T cells, which have been implicated in the progression of GC, have a significant impact in the tumor microenvironment. With a more detailed understanding of the mechanisms underlying the cancer immunoediting process, immunotherapy may become a promising treatment option for patients with GC. Several clinical trials are currently investigating different mechanisms targeting the tumor immune response. The present review summarized T cell-involved immune responses and various immunotherapy strategies for GC.
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Affiliation(s)
- Zhaoxiong Zhang
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Wenxin Zhang
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Xin Liu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Yongjia Yan
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Weihua Fu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
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Qi H, Cao M, Chen Y, Li X, Wang Y, Dai X, Duan X, Lu J. KNTC1 functions as a potential biomarker and oncogene regulating proliferation, migration and apoptosis in gastric cancer. Int Immunopharmacol 2024; 143:113257. [PMID: 39362011 DOI: 10.1016/j.intimp.2024.113257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 09/13/2024] [Accepted: 09/23/2024] [Indexed: 10/05/2024]
Abstract
BACKGROUND As one of the most prevalent cancers, gastric cancer (GC) exhibits a remarkably high morbidity and mortality rate. To date, effective diagnostic and prognostic markers and therapeutic targets for GC are still lacking. Kinetochore associated 1 (KNTC1) is one of the proteins involved in chromosome segregation. However, the diagnostic and prognostic value of KNTC1 and its biological function in GC remain unknown. METHODS In this study, Gene Expression Omnibus (GEO) datasets were utilized to identify differentially expressed genes (DEGs). Prognostic and diagnostic value were assessed by Kaplan-Meier plotter and receiver operating characteristic (ROC) curve. The expression of KNTC1 was verified by q-PCR, immunohistochemistry (IHC) and Western blotting. Subsequently, KNTC1 knockdown was employed to investigate its effect on GC cells. Gene set enrichment analysis (GSEA) revealed a pathway regulated by KNTC1, which was further verified by Western blotting. RESULTS Four highly expressed genes (ESPL1, RAD54L, KNTC1, TACC3) were identified as biomarkers for GC diagnosis and prognosis. Notably, the value of KNTC1 as a biomarker for GC was newly revealed. Single-cell and immune analyses revealed that KNTC1 contributed to the suppression of the GC immune microenvironment. In clinical samples, we demonstrated high expression of KNTC1 in GC tissues. KNTC1 knockdown suppressed proliferation and migration while promoting apoptosis of GC cells. Additionally, KNTC1 may affect GC cells by regulating the PI3K/Akt/mTOR pathway. CONCLUSIONS KNTC1 acts as a potential diagnostic and prognostic marker for GC. It may promote proliferation and migration while inhibiting apoptosis of GC cells via the PI3K/Akt/mTOR pathway.
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Affiliation(s)
- Haoran Qi
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Mengyuan Cao
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Yanan Chen
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Xiaoya Li
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Yingfei Wang
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Xiaoshuo Dai
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Xiaoxuan Duan
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China
| | - Jing Lu
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China; Collaborative Innovation Center of Henan Province for Cancer Chemoprevention, Zhengzhou University, Zhengzhou, Henan Province 450001, PR China; State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou University, Zhengzhou, Henan Province 450052, PR China.
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Heidari-Foroozan M, Rezalotfi A, Rezaei N. The molecular landscape of T cell exhaustion in the tumor microenvironment and reinvigoration strategies. Int Rev Immunol 2024:1-22. [PMID: 39257319 DOI: 10.1080/08830185.2024.2401352] [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: 07/21/2022] [Revised: 08/31/2023] [Accepted: 09/02/2024] [Indexed: 09/12/2024]
Abstract
Immunotherapy has emerged as a promising therapeutic approach for cancer treatment by harnessing the immune system to target cancer cells. However, the efficacy of immunotherapy is hindered by the tumor microenvironment (TME), comprising regulatory T cells (Tregs), macrophages, myeloid-derived suppressor cells (MDSCs), neutrophils, soluble factors (TGF-β, IL-35, IL-10), and hypoxia. These components interact with inhibitory receptors (IRs) on T cells, leading to alterations in T cell transcriptomes, epigenomes, and metabolism, ultimately resulting in T cell exhaustion and compromising the effectiveness of immunotherapy. T cell exhaustion occurs in two phases: pre-exhaustion and exhaustion. Pre-exhausted T cells exhibit reversibility and distinct molecular properties compared to terminally exhausted T cells. Understanding these differences is crucial for designing effective interventions. This comprehensive review summarizes the characteristics of pre-exhausted and exhausted T cells and elucidates the influence of TME components on T cell activity, transcriptomes, epigenomes, and metabolism, ultimately driving T cell exhaustion in cancer. Additionally, potential intervention strategies for reversing exhaustion are discussed. By gaining insights into the mechanisms underlying T cell exhaustion and the impact of the TME, this review aims to inform the development of innovative approaches for combating T cell exhaustion and enhancing the efficacy of immunotherapy in cancer treatment.
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Affiliation(s)
- Mahsa Heidari-Foroozan
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Alaleh Rezalotfi
- Institute of Immunology, Hannover Medical School, Hannover, Germany
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Nima Rezaei
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Immunodeficiencies, Children's Medical Center Hospital, Dr. Qarib St, Keshavarz Blvd, Tehran, Iran
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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Zhang Y, Gu A, An Z, Huang S, Zhang C, Zhong X, Hu Y. B cells enhance EphA2 chimeric antigen receptor T cells cytotoxicity against glioblastoma via improving persistence. Hum Immunol 2024; 85:111093. [PMID: 39243423 DOI: 10.1016/j.humimm.2024.111093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 08/13/2024] [Accepted: 08/30/2024] [Indexed: 09/09/2024]
Abstract
Chimeric antigen receptor (CAR) T cell therapy is a powerful adoptive immunotherapy against blood cancers, but the therapeutic effect was not efficient enough on solid tumors. B cells have been reported to play a critical role in regulating memory T differentiation and cytotoxic T development. However, as of yet the influence of such B cells on CAR T cells has not been discussed. In this study, using ephrin type-A receptor 2 (EphA2) specific CAR T cells, we cultured B cells successfully to stimulate CAR T cells in vitro, and investigated the cell differentiation and anti-tumor efficiency. We observed that EphA2-CAR T cells stimulated by B cells performed increased interferon γ (IFN γ) production and upregulated OX40 expression, as well as the enhanced anti-tumor activity and reduced PD-1 expression. The persistence of CAR T cells was enhanced after B cells stimulation for more than 7 days with the increased subset of central memory T cells (TCM). In addition, next generation sequencing was performed to explore the underlying mechanisms. The up-regulated genes clustered in, immune response activation, chemokine signaling pathway, calcium signaling pathway, cGMP-PKG signaling pathway and et al. which contributed to the upregulated anti-glioblastoma (GBM) activity of CAR T cells stimulated by B cell. Furthermore, MEF2C, CD40, SYK and TNFRSF13B were upregulated in CAR T cells after co-culturing with B cells. These genes functionally enriched in promoting lymphocytes proliferation and may contribute to the enhanced persistence of CAR T cells. In conclusion, these results indicated the critical role of B cells in prolonging CAR T cells longevity and enhancing anti-tumor activity, which paves the way for the therapeutic exploitation of EphA2-CAR T cells against GBM in the future.
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Affiliation(s)
- Ying Zhang
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Aiqin Gu
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Zhijing An
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Shuai Huang
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Can Zhang
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Xiaosong Zhong
- The Clinical Center of Gene and Cell Engineering, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Yi Hu
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.
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Wang C, Wang J, Guan W, Fei B. Impact the impact of gut microbiota on gastric cancer via immune cells: a comprehensive Mendelian randomization study and mediation analysis. Discov Oncol 2024; 15:389. [PMID: 39215888 PMCID: PMC11365895 DOI: 10.1007/s12672-024-01285-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024] Open
Abstract
PURPOSE Recent observational studies have highlighted the role of altered gut microbiota (GM) in the activation of the host immune system and the resulting of gastric cancer (GC). However, the exact causal relationship and mechanisms of action are still not fully understood. MATERIALS AND METHODS Genetic data from published genome-wide association studies (GWASs) were employed to determine the causal effects of 207 taxa and 205 bacterial pathways on GC via two-sample Mendelian randomization (MR) and two-step mediation MR analysis. In this study, 731 immune cell traits served as potential mediators. An inverse variance-weighted (IVW) estimation, augmented by a range of alternative estimators, notably the Bayesian-weighted MR method, was employed as the primary methodological approach. RESULTS Four taxa and five bacterial pathways were found to be negatively correlated with GC, whereas one taxon and two bacterial pathways were a positively correlated with GC. Reverse causality was not found in the reverse MR analysis. Additional validation was performed using a sensitivity analysis. Mediation MR analyses revealed that the GM influences GC through various phenotypes of 16 immune cells that act as mediators. For example, s_Alistipes_sp_AP11 was found to inhibit GC through NKT %T cell (total effect: -0.3234, mediation effect: 0.0212). This mediating effect further highlights the complex relationship among GMs, immune cell traits, and their combined effects on GC. CONCLUSIONS Our findings highlight the genetic connection between specific GMs and GC, emphasizing the potential role of immune cells as mediators, and offering valuable perspectives on potential therapeutic strategies that manipulating the GM to address GC.
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Affiliation(s)
- Chao Wang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Jiangnan University, Wuxi, 214062, Jiangsu, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Jia Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Wenxian Guan
- Division of Gastric Surgery, Department of General Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China.
| | - Bojian Fei
- Department of Gastrointestinal Surgery, Affiliated Hospital of Jiangnan University, Wuxi, 214062, Jiangsu, China.
- Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, Jiangsu, China.
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Han SH, Ju MH. Characterizing the Tumor Microenvironment and Its Correlation with cDC1-Related Gene Expression in Gastric Cancer. J Immunol Res 2024; 2024:4468145. [PMID: 39015755 PMCID: PMC11251796 DOI: 10.1155/2024/4468145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/07/2024] [Accepted: 06/24/2024] [Indexed: 07/18/2024] Open
Abstract
Materials and Methods We analyzed RNA-seq data from the Cancer Genome Atlas (TCGA-STAD) and Gene Expression Omnibus (GEO) datasets, focusing on five cDC1-related genes. The cDC1-related signature was defined and divided into high and low expression groups. We employed gene set variation analysis (GSVA) for oncogenic signaling pathways and conducted comprehensive statistical analyses, including Kaplan-Meier and Cox proportional hazards models. Results The high cDC1-related gene signature group was associated with poorer overall and disease-free survival in the TCGA-STAD cohort. Significant differences in CD8+ T cell infiltration and cytotoxic capabilities were observed between high and low CDC1-related signature groups. The study also revealed a strong correlation between CDC1-related signature and increased expression of immune checkpoint proteins and oncogenic pathways, suggesting a complex immunosuppressive tumor microenvironment. Conclusions Our findings indicate the potential of the cDC1-related signature as a prognostic marker in GC, offering insights into the tumor-immune interplay. The study underscores the importance of cDC1s in shaping the tumor microenvironment and their influence on patient prognosis in GC. These results may contribute to the development of novel therapeutic strategies targeting the immune microenvironment in GC.
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Affiliation(s)
- Song-Hee Han
- Department of PathologyDong-A University College of Medicine, Busan, Republic of Korea
| | - Mi Ha Ju
- Department of PathologyDong-A University College of Medicine, Busan, Republic of Korea
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Che S, Yan Z, Feng Y, Zhao H. Unveiling the intratumoral microbiota within cancer landscapes. iScience 2024; 27:109893. [PMID: 38799560 PMCID: PMC11126819 DOI: 10.1016/j.isci.2024.109893] [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] [Indexed: 05/29/2024] Open
Abstract
Recent advances in cancer research have unveiled a significant yet previously underappreciated aspect of oncology: the presence and role of intratumoral microbiota. These microbial residents, encompassing bacteria, fungi, and viruses within tumor tissues, have been found to exert considerable influence on tumor development, progression, and the efficacy of therapeutic interventions. This review aims to synthesize these groundbreaking discoveries, providing an integrated overview of the identification, characterization, and functional roles of intratumoral microbiota in cancer biology. We focus on elucidating the complex interactions between these microorganisms and the tumor microenvironment, highlighting their potential as novel biomarkers and therapeutic targets. The purpose of this review is to offer a comprehensive understanding of the microbial dimension in cancer, paving the way for innovative approaches in cancer diagnosis and treatment.
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Affiliation(s)
- Shusheng Che
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao 266005, Shandong, China
| | - Zhiyong Yan
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao 266005, Shandong, China
| | - Yugong Feng
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao 266005, Shandong, China
| | - Hai Zhao
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao 266005, Shandong, China
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8
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Qu C, Yan X, Wei Y, Tang F, Li Y. Establishment and validation of a novel CD8+ T cell-associated prognostic signature for predicting clinical outcomes and immunotherapy response in hepatocellular carcinoma via integrating single-cell RNA-seq and bulk RNA-seq. Discov Oncol 2024; 15:235. [PMID: 38900330 PMCID: PMC11190115 DOI: 10.1007/s12672-024-01092-z] [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: 12/20/2023] [Accepted: 06/11/2024] [Indexed: 06/21/2024] Open
Abstract
CD8+ T lymphocytes are critical in the immune response against neoplasms, yet the prognostic relevance of CD8+ T cell-associated genes in hepatocellular carcinoma (HCC) is not fully understood. We sourced single-cell RNA-sequencing (scRNA-seq) and bulk RNA-seq data for HCC from the GSE98638 dataset and The Cancer Genome Atlas (TCGA) repository. We utilized Weighted Gene Correlation Network Analysis (WGCNA) to identify CD8+ T cell-related genes. A clinical prognostic model for risk stratification was then constructed via Cox-Lasso regression analysis. The Immunophenotypic Score (IPS) was utilized to evaluate the potential of immunotherapeutic interventions in the categorized cohorts. Validation of the expression of CD8+ T cell-associated risk genes was performed using quantitative reverse transcription PCR (qRT-PCR). Integrating scRNA-seq with RNA-seq data, we identified five CD8+ T cell-related signature genes: IKBKE, ATP1B3, MSC, ADA, and BATF. Notably, HCC patients in the high-risk group had markedly decreased overall survival. Elevated infiltration levels of CD8+ T cells, B cells, and macrophages were observed in the high-risk group. Moreover, there was a positive correlation between the risk score and immune checkpoints (ICPs), including PDCD1, CD274, and CTLA4. Patients within the high-risk group subject to PD1 and CTLA4 blockade exhibited higher IPS levels. Additionally, the expression of the five risk genes was upregulated in HCC cell lines and tissues compared to normal cells and tissues. Our findings establish a prognostic signature based on CD8+ T cells, offering a potent predictive model for clinical outcomes and responsiveness to immunotherapy in HCC patients.
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Affiliation(s)
- Caihao Qu
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Xin Yan
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Yujie Wei
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Futian Tang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Yumin Li
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China.
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.
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Zhang L, Yu L. The role of the microscopic world: Exploring the role and potential of intratumoral microbiota in cancer immunotherapy. Medicine (Baltimore) 2024; 103:e38078. [PMID: 38758914 PMCID: PMC11098217 DOI: 10.1097/md.0000000000038078] [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: 02/16/2024] [Accepted: 04/10/2024] [Indexed: 05/19/2024] Open
Abstract
Microorganisms, including bacteria, viruses, and fungi, coexist in the human body, forming a symbiotic microbiota that plays a vital role in human health and disease. Intratumoral microbial components have been discovered in various tumor tissues and are closely linked to the occurrence, progression, and treatment results of cancer. The intratumoral microbiota can enhance antitumor immunity through mechanisms such as activating the stimulator of interferon genes signaling pathway, stimulating T and NK cells, promoting the formation of TLS, and facilitating antigen presentation. Conversely, the intratumoral microbiota might suppress antitumor immune responses by increasing reactive oxygen species levels, creating an anti-inflammatory environment, inducing T cell inactivation, and enhancing immune suppression, thereby promoting cancer progression. The impact of intratumoral microbiota on antitumor immunity varies based on microbial composition, interactions with cancer cells, and the cancer's current state. A deep understanding of the complex interactions between intratumoral microbiota and antitumor immunity holds the potential to bring new therapeutic strategies and targets to cancer immunotherapy.
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Affiliation(s)
- Liqiang Zhang
- Department of Oncology, Weifang Hospital of Traditional Chinese Medicine, Weifang City, Shandong Province, China
| | - Liang Yu
- Department of Cardiac Surgery, Weifang Hospital of Traditional Chinese Medicine, Weifang City, Shandong Province, China
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Wang X, Miao Y, Shen J, Li D, Deng X, Yang C, Ji Y, Dai Z, Ma Y. Unlocking PD-1 antibody resistance: The MUC1 DNA vaccine augments CD8 + T cell infiltration and attenuates tumour suppression. Scand J Immunol 2024; 99:e13356. [PMID: 38605549 DOI: 10.1111/sji.13356] [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: 07/07/2023] [Revised: 10/11/2023] [Accepted: 01/05/2024] [Indexed: 04/13/2024]
Abstract
In light of increasing resistance to PD1 antibody therapy among certain patient populations, there is a critical need for in-depth research. Our study assesses the synergistic effects of a MUC1 DNA vaccine and PD1 antibody for surmounting PD1 resistance, employing a murine CT26/MUC1 colon carcinoma model for this purpose. When given as a standalone treatment, PD1 antibodies showed no impact on tumour growth. Additionally, there was no change observed in the intra-tumoural T-cell ratios or in the functionality of T-cells. In contrast, the sole administration of a MUC1 DNA vaccine markedly boosted the cytotoxicity of CD8+ T cells by elevating IFN-γ and granzyme B production. Our compelling evidence highlights that combination therapy more effectively inhibited tumour growth and prolonged survival compared to either monotherapy, thus mitigating the limitations intrinsic to single-agent therapies. This enhanced efficacy was driven by a significant alteration in the tumour microenvironment, skewing it towards pro-immunogenic conditions. This assertion is backed by a raised CD8+/CD4+ T-cell ratio and a decrease in immunosuppressive MDSC and Treg cell populations. On the mechanistic front, the synergistic therapy amplified expression levels of CXCL13 in tumours, subsequently facilitating T-cell ingress into the tumour setting. In summary, our findings advocate for integrated therapy as a potent mechanism for surmounting PD1 antibody resistance, capitalizing on improved T-cell functionality and infiltration. This investigation affords critical perspectives on enhancing anti-tumour immunity through the application of innovative therapeutic strategies.
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Affiliation(s)
- Xiaoqin Wang
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
- The Clinical Laboratory, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yinsha Miao
- Department of Clinical laboratory, Xi'an No. 3 Hospital, The Affiliated Hospital of Northwest University, Xi'an, China
| | | | - Dandan Li
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Xinyue Deng
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chengcheng Yang
- Department of Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yanhong Ji
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - ZhiJun Dai
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yunfeng Ma
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
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Wei J, Ji K, Zhang Y, Zhang J, Wu X, Ji X, Zhou K, Yang X, Lu H, Wang A, Bu Z. Exploration of molecular markers related to chemotherapy efficacy of hepatoid adenocarcinoma of the stomach. Cell Oncol (Dordr) 2024; 47:677-693. [PMID: 37943484 DOI: 10.1007/s13402-023-00892-9] [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] [Accepted: 10/08/2023] [Indexed: 11/10/2023] Open
Abstract
PURPOSE Preoperative neoadjuvant chemotherapy may not improve the prognosis of patients with hepatoid adenocarcinoma of the stomach (HAS), a rare pathological type of gastric cancer. Thus, the study aimed at the genomic and transcriptomic impacts of preoperative chemotherapy on HAS. METHODS Patients with HAS who underwent surgical resection at Peking University Cancer Hospital were retrospectively included in this study. Whole exome sequencing and transcriptome sequencing were performed on pre-chemotherapy, non-chemotherapy and post-chemotherapy samples. We then compared the alterations in molecular markers between the post-chemotherapy and non-chemotherapy groups, and between the chemotherapy-effective and chemotherapy-ineffective groups, respectively. RESULTS A total of 79 tumor samples from 72 patients were collected. Compared to the non-chemotherapy group, the mutation frequencies of several genes were changed after chemotherapy, including TP53. In addition, there was a significant increase in the frequency of frameshift mutations and cytosine transversion to adenine (C > A), appearance of COSMIC signature 6 and 14, and a reduced gene copy number amplification. Interestingly, the same phenomenon was observed in chemotherapy-ineffective patients. In addition, many HAS patients had ERBB2, FGFR2, MET and HGF gene amplification. Moreover, the expression of immune-related genes, especially those related to lymphocyte activation, was down-regulated after chemotherapy. CONCLUSION Chemotherapy is closely associated with changes in the molecular characteristics of HAS. After chemotherapy, at genomic and transcriptome level, many features were altered. These changes may be molecular markers of poor chemotherapeutic efficacy and play an important role in chemoresistance in HAS. In addition, ERBB2, FGFR2, MET and HGF gene amplification may be potential therapeutic targets for HAS.
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Affiliation(s)
- Jingtao Wei
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Ke Ji
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Yue Zhang
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
- The Cardiomyopathy Research Group at Fuwai Hospital, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Beijing, 100037, China
| | - Ji Zhang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Xiaojiang Wu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Xin Ji
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Kai Zhou
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Xuesong Yang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China
| | - Hongfeng Lu
- Berry Genomics Corporation, Beijing, 102206, China
| | - Anqiang Wang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China.
| | - Zhaode Bu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Gastrointestinal Cancer Center, Peking University Cancer Hospital & Institute, No. 52 Fucheng Road, Haidian District, Beijing, 100142, China.
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Sun JR, Kong CF, Ye YX, Wang Q, Qu XK, Jia LQ, Wu S. Integrated analysis of single-cell and bulk RNA-sequencing reveals a novel signature based on NK cell marker genes to predict prognosis and immunotherapy response in gastric cancer. Sci Rep 2024; 14:7648. [PMID: 38561388 PMCID: PMC10985121 DOI: 10.1038/s41598-024-57714-7] [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: 12/25/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
Natural killer (NK) cells play essential roles in the tumor development, diagnosis, and prognosis of tumors. In this study, we aimed to establish a reliable signature based on marker genes in NK cells, thus providing a new perspective for assessing immunotherapy and the prognosis of patients with gastric cancer (GC). We analyzed a total of 1560 samples retrieved from the public database. We performed a comprehensive analysis of single-cell RNA-sequencing (scRNA-seq) data of gastric cancer and identified 377 marker genes for NK cells. By performing Cox regression analysis, we established a 12-gene NK cell-associated signature (NKCAS) for the Cancer Genome Atlas (TCGA) cohort, that assigned GC patients into a low-risk group (LRG) or a high-risk group (HRG). In the TCGA cohort, the areas under curve (AUC) value were 0.73, 0.81, and 0.80 at 1, 3, and 5 years. External validation of the predictive ability for the signature was then validated in the Gene Expression Omnibus (GEO) cohorts (GSE84437). The expression levels of signature genes were measured and validated in GC cell lines by real-time PCR. Moreover, NKCAS was identified as an independent prognostic factor by multivariate analysis. We combined this with a variety of clinicopathological characteristics (age, M stage, and tumor grade) to construct a nomogram to predict the survival outcomes of patients. Moreover, the LRG showed higher immune cell infiltration, especially CD8+ T cells and NK cells. The risk score was negatively associated with inflammatory activities. Importantly, analysis of the independent immunotherapy cohort showed that the LRG had a better prognosis and immunotherapy response when compared with the HRG. The identification of NK cell marker genes in this study suggests potential therapeutic targets. Additionally, the developed predictive signatures and nomograms may aid in the clinical management of GC.
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Affiliation(s)
- Jian-Rong Sun
- School of Clinical Medicine, Beijing University of Chinese Medicine, No. 11, North 3rd East Road, Beijing, 100029, Chaoyang, People's Republic of China
| | - Chen-Fan Kong
- Department of Urology, The affiliated Shenzhen Hospital of Shanghai University of Traditional Chinese Medicine, No. 16, Liantangxiantong Road, Shenzhen, 518009, Luohu, People's Republic of China
| | - Yi-Xiang Ye
- School of Clinical Medicine, Beijing University of Chinese Medicine, No. 11, North 3rd East Road, Beijing, 100029, Chaoyang, People's Republic of China
| | - Qin Wang
- School of Clinical Medicine, Beijing University of Chinese Medicine, No. 11, North 3rd East Road, Beijing, 100029, Chaoyang, People's Republic of China
| | - Xiang-Ke Qu
- School of Clinical Medicine, Beijing University of Chinese Medicine, No. 11, North 3rd East Road, Beijing, 100029, Chaoyang, People's Republic of China
| | - Li-Qun Jia
- School of Clinical Medicine, Beijing University of Chinese Medicine, No. 11, North 3rd East Road, Beijing, 100029, Chaoyang, People's Republic of China.
| | - Song Wu
- Department of Urology, The affiliated Shenzhen Hospital of Shanghai University of Traditional Chinese Medicine, No. 16, Liantangxiantong Road, Shenzhen, 518009, Luohu, People's Republic of China.
- Department of Urology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen, 518116, People's Republic of China.
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Jia X, Li Z, Zhou R, Feng W, Yi L, Zhang H, Chen B, Li Q, Huang S, Zhu X. Single cell and bulk RNA sequencing identifies tumor microenvironment subtypes and chemoresistance-related IGF1 + cancer-associated fibroblast in gastric cancer. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167123. [PMID: 38484940 DOI: 10.1016/j.bbadis.2024.167123] [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: 08/02/2023] [Revised: 03/03/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Abstract
BACKGROUND The tumor microenvironment (TME) significantly influences prognosis and drug resistance in various tumors, yet its heterogeneity and the mechanisms affecting therapeutic response remain unclear in gastric cancer (GC). METHODS The heterogenous TME were explored with single-cell RNA-sequencing (scRNA-seq) data of 50 primary GC samples. We then identified four GC TME subtypes with nonnegative matrix factorization (NMF) and constructed a pearson nearest-centroid classifier based on subtype-specific upregulated genes. Genomic features and clinical significance of four subtypes were comprehensively evaluated. We reclustered fibroblasts to identify cancer-associated fibroblast (CAF) subtype associated with poor clinical outcomes. RT-qPCR and double immunofluorescence staining were applied to validate the findings. Cellchat analysis elucidated potential molecular mechanisms of the CAF subtype in GC disease progression and chemotherapy resistance. FINDINGS The GC TME exhibited high heterogeneity, influencing chemo-sensitivity. Four TME-based subtypes predicting response to immunotherapy and chemotherapy were identified and validated in 1406 GC patients. Among which, ISG1 subtype displayed higher fibroblasts infiltration and heightened oncogenic pathways, and inferior response to chemotherapy with unfavorable prognosis. Microsatellite instability-high (MSI-H) GCs within four TME subtypes showed immunological heterogeneity. We then reported an IGF1-overexpressing CAF was associated with chemo-resistance and GC recurrence. Cell communication analysis revealed IGF1+ CAF may induce drug-resistant phenotypes in tumor cells through IGF1-α6β4 integrin ligand-receptor binding and activation of EMT biological process. INTERPRETATION We identified four TME-based subtypes with different clinical outcomes and IGF1+ CAFs contributing to poor clinical outcomes in GC, which might provide guidance for individualized treatment and facilitate the development of novel therapeutic targets.
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Affiliation(s)
- Xiya Jia
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Ziteng Li
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Runye Zhou
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Wanjing Feng
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Lixia Yi
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Hena Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Bing Chen
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Qin Li
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Shenglin Huang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China.
| | - Xiaodong Zhu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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14
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Yu X, Li W, Li Z, Wu Q, Sun S. Influence of Microbiota on Tumor Immunotherapy. Int J Biol Sci 2024; 20:2264-2294. [PMID: 38617537 PMCID: PMC11008264 DOI: 10.7150/ijbs.91771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 03/26/2024] [Indexed: 04/16/2024] Open
Abstract
The role of the microbiome in immunotherapy has recently garnered substantial attention, with molecular studies and clinical trials providing emerging evidence on the pivotal influence of the microbiota in enhancing therapeutic outcomes via immune response modulation. However, the impact of microbial communities can considerably vary across individuals and different immunotherapeutic approaches, posing prominent challenges in harnessing their potential. In this comprehensive review, we outline the current research applications in tumor immunotherapy and delve into the possible mechanisms through which immune function is influenced by microbial communities in various body sites, encompassing those in the gut, extraintestinal barrier, and intratumoral environment. Furthermore, we discuss the effects of diverse microbiome-based strategies, including probiotics, prebiotics, fecal microbiota transplantation, and the targeted modulation of specific microbial taxa, and antibiotic treatments on cancer immunotherapy. All these strategies potentially have a profound impact on immunotherapy and pave the way for personalized therapeutic approaches and predictive biomarkers.
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Affiliation(s)
- Xin Yu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, P. R. China
| | - Wenge Li
- Department of Oncology, Shanghai Artemed Hospital, Shanghai, P. R. China
| | - Zhi Li
- Department of Orthopedics, Affiliated Provincial Hospital of Anhui Medical University, Hefei, Anhui, P. R. China
| | - Qi Wu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, P. R. China
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, P. R. China
| | - Shengrong Sun
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, P. R. China
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Peng Y, Yang H, Chen Q, Jin H, Xue YH, Du MQ, Liu S, Yao SY. An angel or a devil? Current view on the role of CD8 + T cells in the pathogenesis of myasthenia gravis. J Transl Med 2024; 22:183. [PMID: 38378668 PMCID: PMC10877804 DOI: 10.1186/s12967-024-04965-7] [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: 12/13/2023] [Accepted: 02/07/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND Myasthenia gravis (MG) and the experimental autoimmune MG (EAMG) animal model are characterized by T-cell-induced and B-cell-dominated autoimmune diseases that affect the neuromuscular junction. Several subtypes of CD4+ T cells, including T helper (Th) 17 cells, follicular Th cells, and regulatory T cells (Tregs), contribute to the pathogenesis of MG. However, increasing evidence suggests that CD8+ T cells also play a critical role in the pathogenesis and treatment of MG. MAIN BODY Herein, we review the literature on CD8+ T cells in MG, focusing on their potential effector and regulatory roles, as well as on relevant evidence (peripheral, in situ, cerebrospinal fluid, and under different treatments), T-cell receptor usage, cytokine and chemokine expression, cell marker expression, and Treg, Tc17, CD3+CD8+CD20+ T, and CXCR5+ CD8+ T cells. CONCLUSIONS Further studies on CD8+ T cells in MG are necessary to determine, among others, the real pattern of the Vβ gene usage of autoantigen-specific CD8+ cells in patients with MG, real images of the physiology and function of autoantigen-specific CD8+ cells from MG/EAMG, and the subset of autoantigen-specific CD8+ cells (Tc1, Tc17, and IL-17+IFN-γ+CD8+ T cells). There are many reports of CD20-expressing T (or CD20 + T) and CXCR5+ CD8 T cells on autoimmune diseases, especially on multiple sclerosis and rheumatoid arthritis. Unfortunately, up to now, there has been no report on these T cells on MG, which might be a good direction for future studies.
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Affiliation(s)
- Yong Peng
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China.
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China.
| | - Huan Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Quan Chen
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China
| | - Hong Jin
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China
| | - Ya-Hui Xue
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China
| | - Miao-Qiao Du
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China
| | - Shu Liu
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China
| | - Shun-Yu Yao
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412000, Hunan, China
- Department of Neurology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, 412000, Hunan, China
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Li J, Meng Z, Cao Z, Lu W, Yang Y, Li Z, Lu S. ADGRE5-centered Tsurv model in T cells recognizes responders to neoadjuvant cancer immunotherapy. Front Immunol 2024; 15:1304183. [PMID: 38343549 PMCID: PMC10853338 DOI: 10.3389/fimmu.2024.1304183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 01/02/2024] [Indexed: 02/15/2024] Open
Abstract
Background Neoadjuvant immunotherapy with anti-programmed death-1 (neo-antiPD1) has revolutionized perioperative methods for improvement of overall survival (OS), while approaches for major pathologic response patients' (MPR) recognition along with methods for overcoming non-MPR resistance are still in urgent need. Methods We utilized and integrated publicly-available immune checkpoint inhibitors regimens (ICIs) single-cell (sc) data as the discovery datasets, and innovatively developed a cell-communication analysis pipeline, along with a VIPER-based-SCENIC process, to thoroughly dissect MPR-responding subsets. Besides, we further employed our own non-small cell lung cancer (NSCLC) ICIs cohort's sc data for validation in-silico. Afterward, we resorted to ICIs-resistant murine models developed by us with multimodal investigation, including bulk-RNA-sequencing, Chip-sequencing and high-dimensional cytometry by time of flight (CYTOF) to consolidate our findings in-vivo. To comprehensively explore mechanisms, we adopted 3D ex-vivo hydrogel models for analysis. Furthermore, we constructed an ADGRE5-centered Tsurv model from our discovery dataset by machine learning (ML) algorithms for a wide range of tumor types (NSCLC, melanoma, urothelial cancer, etc.) and verified it in peripheral blood mononuclear cells (PBMCs) sc datasets. Results Through a meta-analysis of multimodal sequential sc sequencing data from pre-ICIs and post-ICIs, we identified an MPR-expanding T cells meta-cluster (MPR-E) in the tumor microenvironment (TME), characterized by a stem-like CD8+ T cluster (survT) with STAT5-ADGRE5 axis enhancement compared to non-MPR or pre-ICIs TME. Through multi-omics analysis of murine TME, we further confirmed the existence of survT with silenced function and immune checkpoints (ICs) in MPR-E. After verification of the STAT5-ADGRE5 axis of survT in independent ICIs cohorts, an ADGRE5-centered Tsurv model was then developed through ML for identification of MPR patients pre-ICIs and post-ICIs, both in TME and PBMCs, which was further verified in pan-cancer immunotherapy cohorts. Mechanistically, we unveiled ICIs stimulated ADGRE5 upregulation in a STAT5-IL32 dependent manner in a 3D ex-vivo system (3D-HYGTIC) developed by us previously, which marked Tsurv with better survival flexibility, enhanced stemness and potential cytotoxicity within TME. Conclusion Our research provides insights into mechanisms underlying MPR in neo-antiPD1 and a well-performed model for the identification of non-MPR.
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Affiliation(s)
| | | | | | | | | | - Ziming Li
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Shun Lu
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
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Wei Y, Zhao X, Tang H, Ma J, Wang Y, Li L. SIM2: Its Prognostic Significance and Oncogenic Role in Endometrial Carcinoma. Onco Targets Ther 2024; 17:45-61. [PMID: 38292061 PMCID: PMC10826595 DOI: 10.2147/ott.s440788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/09/2024] [Indexed: 02/01/2024] Open
Abstract
Background Endometrial carcinoma ranks as the second most widespread malignancy affecting the reproductive system in females. Effective prognostic biomarkers are required to further improve survival rates for patients. Single-minded homolog 2 (SIM2) is known to participate in neurogenesis as a transcription factor. However, the potential role of SIM2 in endometrial carcinoma remains elusive. Methods Multiple public databases, including TIMER2.0, GEIPA2, UALCAN, LinkedOmics, BioGRID, DAVID and cBioPortal, were used to investigate SIM2 mRNA expression, SIM2-associated genes, PPI network, functional enrichment analysis, SIM2 gene alterations and methylation. The association between SIM2 expression and immune cell infiltrates was explored using GSVA. The effects of gene alterations and methylation on patient survival and CD8+T infiltration were examined using GSCA. Moreover, the prognostic potential of SIM2 was evaluated using COX regression, ROC curves and a nomogram model. Finally, the differential expression and function of SIM2 in UCEC were explored using qPCR, WB, CCK8 and Transwell assays. Results Our findings revealed the heightened expression of SIM2 in endometrial carcinoma, and that its DNA methylation and CNV alterations were correlated with immune infiltration and patients' prognosis. Additionally, functional enrichment revealed the involvement of SIM2 in transcription regulation and signal transduction. Moreover, we performed cell-based experiments to corroborate the oncogenic function of SIM2 in facilitating cell proliferation, migration and invasion. Conclusion Collectively, these results suggest that SIM2 holds promise as both a potential prognostic indicator and a viable treatment target for endometrial carcinoma.
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Affiliation(s)
- Yunfang Wei
- Department of Obstetrics & Gynecology, Shanghai Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, People’s Republic of China
| | - Xianlei Zhao
- Department of Obstetrics & Gynecology, Shanghai Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, People’s Republic of China
| | - Hong Tang
- Department of Obstetrics & Gynecology, Shanghai Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, People’s Republic of China
| | - Jin Ma
- Department of Obstetrics & Gynecology, Shanghai Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, People’s Republic of China
| | - Yongfeng Wang
- Department of Obstetrics & Gynecology, Shanghai Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, People’s Republic of China
| | - Linxia Li
- Department of Obstetrics & Gynecology, Shanghai Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, People’s Republic of China
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Turner CN, Camilo Sanchez Arcila J, Huerta N, Quiguoe AR, Jensen KDC, Hoyer KK. T cell exhaustion dynamics in systemic autoimmune disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.23.573167. [PMID: 38187518 PMCID: PMC10769367 DOI: 10.1101/2023.12.23.573167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Unlike in infection and cancer, T cell exhaustion in autoimmune disease has not been clearly defined. Here we set out to understand inhibitory protein (PD-1, Tim3, CTLA4, Lag3) expression in CXCR5- and CXCR5+ CD8 and CD4 T cells in systemic lupus erythematosus. CXCR5+ CD8 and CD4 T cells express PD-1 and engage B cells in germinal center reactions, leading to autoantibody formation in autoimmunity. We hypothesized that CXCR5+ CD8 T cells develop an exhausted phenotype as SLE autoimmunity expands from initial to chronic, self-perpetuating disease due to chronic self-antigen exposure. Our results indicate that there is no exhaustion frequency differences between sexes, although disease kinetics vary by sex. CXCR5+ CD8 T cells express primarily IFNγ, known to promote autoimmune disease development, whereas CXCR5-CD8 T cells express TNFα and IFNγ as disease progresses from 2-6 months. Tim3 is the highest expressed inhibitory marker for all CD4 and CD8 T cell populations demonstrating potential for terminally exhausted populations. CTLA4 expression on CD4 T cells suggests potential tolerance induction in these cells. We identified exhaustion phenotypes within autoimmune disease that progress with increasing lupus erythematosus severity and possibly provide a feedback mechanism for immunological tolerance. Highlights CXCR5- and CXCR5+ CD8 T cells expand with rate of disease in SLE mouse model.CXCR5+ CD8 T cells are low contributors to TNFα disease progression unlike CXCR5-CD8 T cells but may increase disease mechanisms through high IFNγ production.Inhibitory markers upregulate in frequency with the highest amounts seen in Tim3+ populations. Tim3+Lag3+ expression may be an indicator of terminal differentiation for all populations.Inhibitory marker expression frequency was unrelated to sex.
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Lv K, Sun M, Fang H, Wang J, Lin C, Liu H, Zhang H, Li H, He H, Gu Y, Li R, Shao F, Xu J. Targeting myeloid checkpoint Siglec-10 reactivates antitumor immunity and improves anti-programmed cell death 1 efficacy in gastric cancer. J Immunother Cancer 2023; 11:e007669. [PMID: 37935567 PMCID: PMC10649907 DOI: 10.1136/jitc-2023-007669] [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] [Accepted: 10/17/2023] [Indexed: 11/09/2023] Open
Abstract
OBJECTIVE Immunotherapy has not yielded satisfactory therapeutic responses in gastric cancer (GC). However, targeting myeloid checkpoints holds promise for expanding the potential of immunotherapy. This study aims to evaluate the critical role of Siglec-10+ tumor-associated macrophages (TAMs) in regulating antitumor immunity and to explore the potential of the myeloid checkpoint Siglec-10 as an interventional target. DESIGN Siglec-10+ TAMs were assessed based on immunohistochemistry on tumor microarrays and RNA-sequencing data. Flow cytometry, RNA sequencing, and single-cell RNA-sequencing analysis were employed to characterize the phenotypic and transcriptional features of Siglec-10+ TAMs and their impact on CD8+ T cell-mediated antitumor immunity. The effectiveness of Siglec-10 blockade, either alone or in combination with anti-programmed cell death 1 (PD-1), was evaluated using an ex vivo GC tumor fragment platform based on fresh tumor tissues. RESULTS Siglec-10 was predominantly expressed on TAMs in GC, and associated with tumor progression. In Zhongshan Hospital cohort, Siglec-10+ TAMs predicted unfavorable prognosis (n=446, p<0.001) and resistance to adjuvant chemotherapy (n=331, p<0.001), which were further validated in exogenous cohorts. In the Samsung Medical Center cohort, Siglec-10+ TAMs demonstrated inferior response to pembrolizumab in GC (n=45, p=0.008). Furthermore, Siglec-10+ TAMs exhibited an immunosuppressive phenotype and hindered T cell-mediated antitumor immune response. Finally, blocking Siglec-10 reinvigorated the antitumor immune response and synergistically enhances anti-PD-1 immunotherapy in an ex vivo GC tumor fragment platform. CONCLUSIONS In GC, the myeloid checkpoint Siglec-10 contributes to the regulation of immunosuppressive property of TAMs and promotes the depletion of CD8+ T cells, ultimately facilitating immune evasion. Targeting Siglec-10 represents a potential strategy for immunotherapy in GC.
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Affiliation(s)
- Kunpeng Lv
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Mengyao Sun
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Hanji Fang
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jieti Wang
- Department of Endoscopy, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Chao Lin
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Liu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Heng Zhang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - He Li
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hongyong He
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yun Gu
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of General Surgery, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruochen Li
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Fei Shao
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiejie Xu
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
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Xu X, Chen J, Li W, Feng C, Liu Q, Gao W, He M. Immunology and immunotherapy in gastric cancer. Clin Exp Med 2023; 23:3189-3204. [PMID: 37322134 DOI: 10.1007/s10238-023-01104-2] [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: 01/16/2023] [Accepted: 05/24/2023] [Indexed: 06/17/2023]
Abstract
Gastric cancer is the fifth leading cause of cancer-related deaths worldwide. As the diagnosis of early gastric cancer is difficult, most patients are at a late stage of cancer progression when diagnosed. The current therapeutic approaches based on surgical or endoscopic resection and chemotherapy indeed improve patients' outcomes. Immunotherapy based on immune checkpoint inhibitors has opened a new era for cancer treatment, and the immune system of the host is reshaped to combat tumor cells and the strategy differs according to the patient's immune system. Thus, an in-depth understanding of the roles of various immune cells in the progression of gastric cancer is beneficial to application for immunotherapy and the discovery of new therapeutic targets. This review describes the functions of different immune cells in gastric cancer development, mainly focusing on T cells, B cells, macrophages, natural killer cells, dendritic cells, neutrophils as well as chemokines or cytokines secreted by tumor cells. And this review also discusses the latest advances in immune-related therapeutic approaches such as immune checkpoint inhibitors, CAR-T or vaccine, to reveal potential and promising strategies for gastric cancer treatment.
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Affiliation(s)
- Xiaqing Xu
- Department of Pharmacy, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, 450007, Henan, People's Republic of China
| | - Jiaxing Chen
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450002, Henan, People's Republic of China
| | - Wenxing Li
- Department of Pharmacy, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, 450007, Henan, People's Republic of China
| | - Chenlu Feng
- Department of Cancer Center, Nanyang First People's Hospital, Nanyang, 473000, Henan, People's Republic of China
| | - Qian Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450002, Henan, People's Republic of China
| | - Wenfang Gao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450002, Henan, People's Republic of China
| | - Meng He
- Department of Pharmacy, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, 450007, Henan, People's Republic of China.
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21
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Koh CH, Lee S, Kwak M, Kim BS, Chung Y. CD8 T-cell subsets: heterogeneity, functions, and therapeutic potential. Exp Mol Med 2023; 55:2287-2299. [PMID: 37907738 PMCID: PMC10689838 DOI: 10.1038/s12276-023-01105-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/11/2023] [Accepted: 08/12/2023] [Indexed: 11/02/2023] Open
Abstract
CD8 T cells play crucial roles in immune surveillance and defense against infections and cancer. After encountering antigenic stimulation, naïve CD8 T cells differentiate and acquire effector functions, enabling them to eliminate infected or malignant cells. Traditionally, cytotoxic T cells, characterized by their ability to produce effector cytokines and release cytotoxic granules to directly kill target cells, have been recognized as the constituents of the predominant effector T-cell subset. However, emerging evidence suggests distinct subsets of effector CD8 T cells that each exhibit unique effector functions and therapeutic potential. This review highlights recent advancements in our understanding of CD8 T-cell subsets and the contributions of these cells to various disease pathologies. Understanding the diverse roles and functions of effector CD8 T-cell subsets is crucial to discern the complex dynamics of immune responses in different disease settings. Furthermore, the development of immunotherapeutic approaches that specifically target and regulate the function of distinct CD8 T-cell subsets holds great promise for precision medicine.
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Affiliation(s)
- Choong-Hyun Koh
- Laboratory of Immune Regulation, Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Suyoung Lee
- Laboratory of Immune Regulation, Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- BK21 Plus Program, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Minkyeong Kwak
- Laboratory of Immune Regulation, Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- BK21 Plus Program, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Byung-Seok Kim
- Division of Life Sciences, College of Life Science and Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Yeonseok Chung
- Laboratory of Immune Regulation, Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
- BK21 Plus Program, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea.
- Wide River Institute of Immunology, Seoul National University, Hongcheon, Gangwon, 25159, Republic of Korea.
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22
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Sun Q, Cai D, Liu D, Zhao X, Li R, Xu W, Xie B, Gou M, Wei K, Li Y, Huang J, Chi X, Wei P, Hao J, Guo X, Pan B, Fu Y, Ni L, Dong C. BCL6 promotes a stem-like CD8 + T cell program in cancer via antagonizing BLIMP1. Sci Immunol 2023; 8:eadh1306. [PMID: 37862431 DOI: 10.1126/sciimmunol.adh1306] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 08/30/2023] [Indexed: 10/22/2023]
Abstract
Overcoming CD8+ T cell exhaustion is critical in cancer immunotherapy. Recently, an intratumor stem/progenitor-like CD8+ T cell (Tprog cell) population that mediates the persistence of antitumor responses has been defined, which can further develop into a terminally differentiated CD8+ T cell (Tterm cell) subpopulation with potent cytotoxic functions. Tprog cells are the main responders to immune checkpoint blockade therapies, yet how extrinsic signals via transcription factors control Tprog cell generation and persistence in tumors is unclear. Here, we found that BCL6 inhibits tumor-specific Tterm cell generation from Tprog cell downstream of TCF1. We show that Bcl6 deficiency reduced the persistence of Tprog cells, without affecting their generation, thus abrogating long-term tumor control. High-level BCL6 expression was observed in tumor-specific T cells in draining lymph nodes (LNs) and was associated with T cell exhaustion. This was observed in TOX+TCF1+ Tprog cells in both LNs and tumors. BCL6 expression in CD8+ T cells was up-regulated by TGF-β-SMAD2 signaling but down-regulated by the IL-2-STAT5 pathway. Mechanistically, BCL6 transcriptionally repressed the expression of Tterm cell-associated genes and induced those of Tprog cell-related genes, in a manner antagonistic to BLIMP1. Prdm1 deficiency also promoted the Tprog cell program and greatly improved the efficacy of anti-PD-1 therapy. Thus, we identified the TGF-β-BCL6 and IL-2-BLIMP1 antagonistic pathways in regulation of antitumor CD8+ T cells, which may benefit the development of long-lasting and effective cancer immunotherapy.
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Affiliation(s)
- Qinli Sun
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Dongli Cai
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
- Department of Gynaecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 201204, China
| | - Dingfeng Liu
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
- Department of Gynaecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 201204, China
| | - Xiaohong Zhao
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Ruifeng Li
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Wei Xu
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Bowen Xie
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Mengting Gou
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
| | - Kun Wei
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Yuling Li
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- College of Life Science and Peking University-Tsinghua University-National Institute of Biological Sciences Joint Graduate Program, Tsinghua University, Beijing 100084, China
| | - Jinling Huang
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Xinxin Chi
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Peng Wei
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Jing Hao
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
| | - Xinyi Guo
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
| | - Birui Pan
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Yujie Fu
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
| | - Ling Ni
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Chen Dong
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing 100084, China
- Shanghai Immune Therapy Institute, New Cornerstone Science Laboratory, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
- Research Unit of Immune Regulation and Immune Diseases of Chinese Academy of Medical Sciences, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai 200127, China
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23
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Wan D, Li R, Huang H, Zhu X, Li G. Pan-cancer landscape of immunology PIWI-interacting RNAs. Comput Struct Biotechnol J 2023; 21:5309-5325. [PMID: 37941657 PMCID: PMC10628341 DOI: 10.1016/j.csbj.2023.10.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/19/2023] [Accepted: 10/19/2023] [Indexed: 11/10/2023] Open
Abstract
PIWI-interacting RNAs (piRNAs), an emergent type of non-coding RNAs during oncogenesis, play critical roles in regulating tumor microenvironment. Systematic analysis of piRNAs' roles in modulating immune pathways is important for tumor immunotherapy. In this study, in-depth analysis of piRNAs was performed to develop an integrated computational algorithm, the immunology piRNA (ImmPI) pipeline, for uncovering the global expression landscape of piRNAs and identifying their regulatory roles in immune pathways. The immunology piRNAs show a tendency towards overexpression patterns in immune cells, causing perturbations in tumors, being significantly associated with infiltration of immune cells, and having prognostic value. The ImmPI score can contribute to prioritizing tumor-related piRNAs and distinguish two subtypes of SKCM (immune-cold and hot phenotypes), as characterized by different prognoses, immunogenicity and antitumor immunity. Finally, we developed an interactive web resource (ImmPI portal: http://www.hbpding.com/ImmPi) for the biomedical research community, with several useful modules to browse, visualize, and download the results of immunology piRNAs analysis. Overall, our work provides a comprehensive landscape of piRNAs across multiple cancer types and sheds light on their regulatory and functional roles in tumor immunity. These findings pave the way for future research and development of piRNA-based immunotherapies for cancer treatment.
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Affiliation(s)
- Dongyi Wan
- Department of Nuclear Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ran Li
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Haohao Huang
- Department of Neurosurgery, General Hospital of Central Theater Command of Chinese People’s Liberation Army, Wuhan 430070, China
| | - Xiaohua Zhu
- Department of Nuclear Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ganxun Li
- Hepatic Surgery Center and Hubei Key Laboratory of Hepato-Biliary-Pancreatic Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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24
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Yousuf S, Qiu M, Voith von Voithenberg L, Hulkkonen J, Macinkovic I, Schulz AR, Hartmann D, Mueller F, Mijatovic M, Ibberson D, AlHalabi KT, Hetzer J, Anders S, Brüne B, Mei HE, Imbusch CD, Brors B, Heikenwälder M, Gaida MM, Büchler MW, Weigert A, Hackert T, Roth S. Spatially Resolved Multi-Omics Single-Cell Analyses Inform Mechanisms of Immune Dysfunction in Pancreatic Cancer. Gastroenterology 2023; 165:891-908.e14. [PMID: 37263303 DOI: 10.1053/j.gastro.2023.05.036] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND & AIMS As pancreatic ductal adenocarcinoma (PDAC) continues to be recalcitrant to therapeutic interventions, including poor response to immunotherapy, albeit effective in other solid malignancies, a more nuanced understanding of the immune microenvironment in PDAC is urgently needed. We aimed to unveil a detailed view of the immune micromilieu in PDAC using a spatially resolved multimodal single-cell approach. METHODS We applied single-cell RNA sequencing, spatial transcriptomics, multiplex immunohistochemistry, and mass cytometry to profile the immune compartment in treatment-naïve PDAC tumors and matched adjacent normal pancreatic tissue, as well as in the systemic circulation. We determined prognostic associations of immune signatures and performed a meta-analysis of the immune microenvironment in PDAC and lung adenocarcinoma on single-cell level. RESULTS We provided a spatially resolved fine map of the immune landscape in PDAC. We substantiated the exhausted phenotype of CD8 T cells and immunosuppressive features of myeloid cells, and highlighted immune subsets with potentially underappreciated roles in PDAC that diverged from immune populations within adjacent normal areas, particularly CD4 T cell subsets and natural killer T cells that are terminally exhausted and acquire a regulatory phenotype. Differential analysis of immune phenotypes in PDAC and lung adenocarcinoma revealed the presence of extraordinarily immunosuppressive subtypes in PDAC, along with a distinctive immune checkpoint composition. CONCLUSIONS Our study sheds light on the multilayered immune dysfunction in PDAC and presents a holistic view of the immune landscape in PDAC and lung adenocarcinoma, providing a comprehensive resource for functional studies and the exploration of therapeutically actionable targets in PDAC.
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Affiliation(s)
- Suhail Yousuf
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Mengjie Qiu
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | | | - Johannes Hulkkonen
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Igor Macinkovic
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | | | - Domenic Hartmann
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Florian Mueller
- Division of Chronic Inflammation and Cancer, German Cancer Research Center, Heidelberg, Germany
| | - Margarete Mijatovic
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - David Ibberson
- Deep Sequencing Core Facility, BioQuant, Heidelberg University, Heidelberg, Germany
| | - Karam T AlHalabi
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Jenny Hetzer
- Division of Chronic Inflammation and Cancer, German Cancer Research Center, Heidelberg, Germany
| | - Simon Anders
- BioQuant Center, Heidelberg University, Heidelberg, Germany
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany; Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt, Germany; German Cancer Consortium, Partner Site Frankfurt, Germany
| | - Henrik E Mei
- German Rheumatism Research Center, Berlin, Germany
| | - Charles D Imbusch
- Division of Applied Bioinformatics, German Cancer Research Center, Heidelberg, Germany
| | - Benedikt Brors
- Division of Applied Bioinformatics, German Cancer Research Center, Heidelberg, Germany
| | - Mathias Heikenwälder
- Division of Chronic Inflammation and Cancer, German Cancer Research Center, Heidelberg, Germany
| | - Matthias M Gaida
- Institute of Pathology, University Medical Center Mainz, Johannes Gutenberg University, Mainz, Germany; Research Center for Immunotherapy, University Medical Center Mainz, Johannes Gutenberg University, Mainz, Germany; Joint Unit Immunopathology, Institute of Pathology, University Medical Center, Johannes Gutenberg University and Translational Oncology, University Medical Center Mainz, Mainz, Germany
| | - Markus W Büchler
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany; Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt, Germany; German Cancer Consortium, Partner Site Frankfurt, Germany
| | - Thilo Hackert
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Susanne Roth
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany.
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25
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Li M, Zhao Z, Mak TK, Wang X, Chen J, Ren H, Yu Z, Zhang C. Neutrophil extracellular traps-related signature predicts the prognosis and immune infiltration in gastric cancer. Front Med (Lausanne) 2023; 10:1174764. [PMID: 37636564 PMCID: PMC10447905 DOI: 10.3389/fmed.2023.1174764] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/27/2023] [Indexed: 08/29/2023] Open
Abstract
Introduction Gastric cancer (GC) is the fifth most prevalent cancer globally, with the third highest case fatality rate. Neutrophil extracellular traps (NETs) are a reticulated structure of DNA, histones, and antimicrobial peptides produced by active neutrophils that trap pathogens. Even though NETs are associated with poorer recurrence-free survival (RFS) and overall survival (OS), the specifics of this interaction between NETs and cancer cells are yet unknown. Methods The keywords "neutrophil extracellular traps and gastric cancer" were used in the GEO database for retrieval, and the GSE188741 dataset was selected to obtain the NETs-related gene. 27 NETs-related genes were screened by univariate Cox regression analysis (p < 0.05). 27 NETs-related genes were employed to identify and categorize NETs-subgroups of GC patients under the Consensus clustering analysis. 808 GC patients in TCGA-STAD combined with GES84437 were randomly divided into a training group (n = 403) and a test group (n = 403) at a ratio of 1:1 to validate the NETs-related signature. Results Based on Multivariate Cox regression and LASSO regression analysis to develop a NETs-related prognosis model. We developed a very specific nomogram to improve the NETs-clinical score's usefulness. Similarly, we also performed a great result in pan-cancer study with NETs-score. Low NETs scores were linked to higher MSI-H (microsatellite instability-high), mutation load, and immune activity. The cancer stem cell (CSC) index and chemotherapeutic treatment sensitivity were also connected to the NET score. Our comprehensive analysis of NETs in GC suggests that NETs have a role in the tumor microenvironment, clinicopathological features, and prognosis. Discussion The NETs-score risk model provides a basis for better prognosis and therapy outcomes in GC patients.
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Affiliation(s)
- Mingzhe Li
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Zidan Zhao
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Tsz Kin Mak
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Xiaoqun Wang
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Jingyao Chen
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Hui Ren
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Zhiwei Yu
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Changhua Zhang
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, China
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26
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Zhang Y, Cui K, Yang Y, Liu B, Zhu M, Chen H, Zhao C, Zhou Y, Nie Y. Infiltration of a Unique CD8 +CD274 + Cell Subgroup in Hepatocellular Carcinoma is Associated with Poor Clinical Outcomes. J Hepatocell Carcinoma 2023; 10:1051-1067. [PMID: 37449280 PMCID: PMC10337689 DOI: 10.2147/jhc.s410756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/10/2023] [Indexed: 07/18/2023] Open
Abstract
Introduction Immune checkpoint (IC) inhibitor-related immunotherapies have attracted considerable attention in hepatocellular carcinoma (HCC). High IC expression and high tumor infiltrating lymphocyte levels are the current indicators of sensitivity to IC inhibitors. Thus, it is imperative to apply precision medicine strategies for patient selection. Methods Six independent HCC cohorts were used for analysis at the single-cell and tissue levels. Multiplex immunofluorescence and immunochemistry staining assays were used to validate our results. A series of methodologies were used for immune-related evaluations. Results Herein, we uncovered a unique CD8+CD274+ cell subpopulation that is associated with tumor progression and poor survival in HCC at the single-cell level. We assessed this subset at the tissue level and found that the prognostic significance of CD274 is dependent on CD8A expression in HCC. Subsequently, we identified a unique high-risk subpopulation that showed high CD8A expression coupled with intense CD274 expression in multiple HCC cohorts. CD8AHighCD274High* subgroup was correlated with malignant indexes and remained an independent prognostic factor when considering the influence of these indexes. Molecular characteristic analyses showed that the CD8AHighCD274High* subgroup harbored more mutations, had higher immune response activity and presented enrichment of cancer-related biological processes. Moreover, this high-risk subpopulation in HCC was characterized by high immune cell infiltration, low tumor purity, and enrichment of cancer-related signatures. Finally, cases with this phenotype demonstrated higher immunomodulator and IC levels and greater sensitivity to IC inhibitors. Conclusion Our findings illustrate that some HCC patients may have a poor prognosis despite high CD8+ T-cell infiltration. These patients would probably benefit from IC inhibitor-based combination treatment.
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Affiliation(s)
- Yong Zhang
- Department of Gastroenterology and Hepatology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
| | - Kaisa Cui
- Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, 214062, People’s Republic of China
| | - Yaoxiang Yang
- Department of Pathology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
| | - Bingxin Liu
- The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, 211166, People’s Republic of China
| | - Minzheng Zhu
- Department of Gastroenterology and Hepatology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
| | - Hanqing Chen
- Department of Gastroenterology and Hepatology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
| | - Chong Zhao
- Department of Gastroenterology and Hepatology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
| | - Youlian Zhou
- Department of Gastroenterology and Hepatology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
| | - Yuqiang Nie
- Department of Gastroenterology and Hepatology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, People’s Republic of China
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Song M, Liu Q, Sun W, Zhang H. Crosstalk between Thyroid Carcinoma and Tumor-Correlated Immune Cells in the Tumor Microenvironment. Cancers (Basel) 2023; 15:2863. [PMID: 37345200 DOI: 10.3390/cancers15102863] [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: 03/11/2023] [Revised: 05/07/2023] [Accepted: 05/19/2023] [Indexed: 06/23/2023] Open
Abstract
Thyroid cancer (TC) is the most common malignancy in the endocrine system. Although most TC can achieve a desirable prognosis, some refractory thyroid carcinomas, including radioiodine-refractory differentiated thyroid cancer, as well as anaplastic thyroid carcinoma, face a myriad of difficulties in clinical treatment. These types of tumors contribute to the majority of TC deaths due to limited initial therapy, recurrence, and metastasis of the tumor and tumor resistance to current clinically targeted drugs, which ultimately lead to treatment failure. At present, a growing number of studies have demonstrated crosstalk between TC and tumor-associated immune cells, which affects tumor deterioration and metastasis through distinct signal transduction or receptor activation. Current immunotherapy focuses primarily on cutting off the interaction between tumor cells and immune cells. Since the advent of immunotherapy, scholars have discovered targets for TC immunotherapy, which also provides new strategies for TC treatment. This review methodically and intensively summarizes the current understanding and mechanism of the crosstalk between distinct types of TC and immune cells, as well as potential immunotherapy strategies and clinical research results in the area of the tumor immune microenvironment. We aim to explore the current research advances to formulate better individualized treatment strategies for TC patients and to provide clues and references for the study of potential immune checkpoints and the development of immunotherapy technologies.
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Affiliation(s)
- Mingyuan Song
- Department of Thyroid Surgery, The First Hospital of China Medical University, 155 Nanjing North Street, Shenyang 110001, China
| | - Qi Liu
- Department of Thyroid Surgery, The First Hospital of China Medical University, 155 Nanjing North Street, Shenyang 110001, China
| | - Wei Sun
- Department of Thyroid Surgery, The First Hospital of China Medical University, 155 Nanjing North Street, Shenyang 110001, China
| | - Hao Zhang
- Department of Thyroid Surgery, The First Hospital of China Medical University, 155 Nanjing North Street, Shenyang 110001, China
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28
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Tian J, Cao ZJ, Zhang Y, Zhou JK, Yang L. Identification of anoikis-related subtypes and development of risk stratification system in skin cutaneous melanoma. Heliyon 2023; 9:e16153. [PMID: 37215879 PMCID: PMC10196614 DOI: 10.1016/j.heliyon.2023.e16153] [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: 10/19/2022] [Revised: 05/02/2023] [Accepted: 05/07/2023] [Indexed: 05/24/2023] Open
Abstract
Background Anoikis, a form of apoptosis induced by cell detachment, plays a key role in cancer metastasis. However, the potential roles of anoikis-related genes (ARGs) in assessing the prognosis of skin cutaneous melanoma (SKCM) and the tumor microenvironment (TME) remain unclear. Methods The data from TCGA corresponding to transcriptomic expression patterns for patients with SKCM were downloaded and utilized to screen distinct molecular subtypes by a non-negative matrix factorization algorithm. The prognostic signature was constructed by least absolute shrinkage and selection operator (LASSO) Cox regression and was validated in SKCM patients from the GEO cohort. Moreover, the relationship of the ARG_score with prognosis, tumor-infiltrating immune cells, gene mutation, microsatellite instability (MSI), and immunotherapy efficacy. Results We screened 100 anoikis-related differentially expressed genes between SKCM tissues and normal skin tissues, which could divide all patients into three different subtypes with significantly distinct prognosis and immune cell infiltration. Then, an anoikis-related signature was developed based on subtype-related DEGs, which could classify all SKCM patients into low and high ARG_score groups with differing overall survival (OS) rates. ARG_score was confirmed to be a strong independent prognostic indicator for SKCM patients. By combining ARG_score with clinicopathological features, a nomogram was constructed, which could accurately predict the individual OS of patients with SKCM. Moreover, low ARG_score patients presented with higher levels of immune cell infiltration, TME score, higher tumor mutation burden, and better immunotherapy responses. Conclusions Our comprehensive analysis of ARGs in SKCM provides important insights into the immunological microenvironment within the tumor of SKCM patients and helps to forecast prognosis and the response to immunotherapy in SKCM patients, thereby making it easier to tailor more effective treatment strategies to individual patients.
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Affiliation(s)
- Jun Tian
- Department of Dermatology, Shaanxi Provincial People’s Hospital, Xi’an, 710068, China
| | - Zi-jian Cao
- Department of Dermatology, The 63600 Hospital of PLA, Lanzhou, 732750, China
| | - Yuan Zhang
- Department of Oncology, Shaanxi Provincial People’s Hospital, Xi’an 710068, China
| | - Jin-ke Zhou
- Department of Dermatology, The 63600 Hospital of PLA, Lanzhou, 732750, China
| | - Li Yang
- Department of Dermatology, Shaanxi Provincial People’s Hospital, Xi’an, 710068, China
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Yao HF, Xu DP, Zheng JH, Xu Y, Jia QY, Zhu YH, Yang J, He RZ, Ma D, Yang MW, Fu XL, Liu DJ, Huo YM, Yang JY, Zhang JF. Analysis of cuproptosis-related lncRNA signature for predicting prognosis and tumor immune microenvironment in pancreatic cancer. Apoptosis 2023:10.1007/s10495-023-01843-3. [PMID: 37079192 DOI: 10.1007/s10495-023-01843-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2023] [Indexed: 04/21/2023]
Abstract
Pancreatic cancer (PC) is a highly malignant digestive tract tumor, with a dismal 5-year survival rate. Recently, cuproptosis was found to be copper-dependent cell death. This work aims to establish a cuproptosis-related lncRNA signature which could predict the prognosis of PC patients and help clinical decision-making. Firstly, cuproptosis-related lncRNAs were identified in the TCGA-PAAD database. Next, a cuproptosis-related lncRNA signature based on five lncRNAs was established. Besides, the ICGC cohort and our samples from 30 PC patients served as external validation groups to verify the predictive power of the risk signature. Then, the expression of CASC8 was verified in PC samples, scRNA-seq dataset CRA001160, and PC cell lines. The correlation between CASC8 and cuproptosis-related genes was validated by Real-Time PCR. Additionally, the roles of CASC8 in PC progression and immune microenvironment characterization were explored by loss-of-function assay. As showed in the results, the prognosis of patients with higher risk scores was prominently worse than that with lower risk scores. Real-Time PCR and single cell analysis suggested that CASC8 was highly expressed in pancreatic cancer and related to cuproptosis. Additionally, gene inhibition of CASC8 impacted the proliferation, apoptosis and migration of PC cells. Furthermore, CASC8 was demonstrated to impact the expression of CD274 and several chemokines, and serve as a key indicator in tumor immune microenvironment characterization. In conclusion, the cuproptosis-related lncRNA signature could provide valuable indications for the prognosis of PC patients, and CASC8 was a candidate biomarker for not only predicting the progression of PC patients but also their antitumor immune responses.
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Affiliation(s)
- Hong-Fei Yao
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Da-Peng Xu
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Jia-Hao Zheng
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Yu Xu
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Qin-Yuan Jia
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Yu-Heng Zhu
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Jian Yang
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Rui-Zhe He
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Ding Ma
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Min-Wei Yang
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Xue-Liang Fu
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - De-Jun Liu
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Yan-Miao Huo
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
| | - Jian-Yu Yang
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
| | - Jun-Feng Zhang
- State Key Laboratory of Oncogenes and Related Genes, Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
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Huang H, Huang Z, Ge J, Yang J, Chen J, Xu B, Wu S, Zheng X, Chen L, Zhang X, Jiang J. CD226 identifies functional CD8+T cells in the tumor microenvironment and predicts a better outcome for human gastric cancer. Front Immunol 2023; 14:1150803. [PMID: 37056782 PMCID: PMC10086426 DOI: 10.3389/fimmu.2023.1150803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/09/2023] [Indexed: 03/30/2023] Open
Abstract
It is well-known that CD226 serves as a critical activating receptor on various immune cells, such as lymphocytes and monocytes, and it is suggested to promote anti-tumor immunity in the tumor microenvironment (TME). Herein, we showed a crucial regulatory role of CD226 in CD8+T cell-mediated anti-tumor response in TME of human gastric cancer (GC). Specifically, the increased CD226 expression in cancer tissues was significantly associated with better clinical outcomes in GC patients. Moreover, the increased infiltrating CD226+CD8+T cells and the increased ratio of infiltrating CD226+CD8+T cells in CD8+T subpopulation within cancer tissues could also be valuable prognostic predictors for GC patients. Mechanically, the assay for transposase-accessible chromatin using sequencing (ATAC-seq) analysis revealed that the chromatin accessibility of CD226 in CD4+ and CD8+TILs was significantly higher than that in CD8+T cells in normal tissues. Further analysis showed that CD8+TILs highly expressed immune checkpoint molecules, such as TIGIT, LAG3, and HAVCR2, which means CD8+TILs are more exhausted. In addition, our multi-color immunohistochemical staining (mIHC) revealed that GC patients with higher frequency of IFN-γ+CD226+CD8+TILs showed poorer prognosis. Combined with the single-cell transcriptome sequencing (scRNA-seq) data analysis, we found that the expressions of IFN-γ and TIGIT in CD8+TILs were significantly and positively correlated. The expression of TIGIT in IFN-γ+CD226+CD8+TILs was higher, while that in IFN-γ-CD226+CD8+TILs was significantly lower. The correlation analysis showed that the expression of CD226 was positively correlated with the score of effector T cells but negatively correlated with that of immunosuppressive factors, such as Tregs and tumor-associated macrophages (TAMs). Collectively, we showed that the frequency of CD226+CD8+TILs was an excellent prognostic predictor for GC patients. Our findings provided insights into the interaction pattern between co-stimulatory receptor CD226 and tumor cells as well as the infiltrating immune cells in the TME in GC.
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Affiliation(s)
- Hao Huang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Ziyi Huang
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Jiangsu Key Laboratory of Clinical Immunology, Soochow University, Suzhou, Jiangsu, China
- Jiangsu Key Laboratory of Gastrointestinal Tumor Immunology, Soochow University, Suzhou, Jiangsu, China
| | - Junwei Ge
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Jiayi Yang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Junjun Chen
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Bin Xu
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Shaoxian Wu
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Xiao Zheng
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Lujun Chen
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- *Correspondence: Lujun Chen, ; Xueguang Zhang, ; Jingting Jiang,
| | - Xueguang Zhang
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Jiangsu Key Laboratory of Clinical Immunology, Soochow University, Suzhou, Jiangsu, China
- Jiangsu Key Laboratory of Gastrointestinal Tumor Immunology, Soochow University, Suzhou, Jiangsu, China
- *Correspondence: Lujun Chen, ; Xueguang Zhang, ; Jingting Jiang,
| | - Jingting Jiang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute of Cell Therapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- *Correspondence: Lujun Chen, ; Xueguang Zhang, ; Jingting Jiang,
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Michaelides I, Künzel J, Ettl T, Beckhove P, Bohr C, Brochhausen C, Mamilos A. Adenoid cystic carcinoma of the salivary glands: a pilot study of potential therapeutic targets and characterization of the immunological tumor environment and angiogenesis. Eur Arch Otorhinolaryngol 2023; 280:2937-2944. [PMID: 36856809 PMCID: PMC10175421 DOI: 10.1007/s00405-023-07884-3] [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: 07/31/2022] [Accepted: 02/14/2023] [Indexed: 03/02/2023]
Abstract
BACKGROUND Adenoid cystic carcinoma (ACC) is a rare type of cancer commonly occurring in salivary glands. It is characterized by slow but infiltrative growth, nerve infiltration and overall poor prognosis, with late recurrence and distant metastasis. The treatment of ACC is still limited to surgery and/or (adjuvant) radiotherapy. Till now no promising systemic therapy option exists. However, various studies deliver promising results after treatment with anti-angiogenetic agents, such as anti-EGFR-antibody Cetuximab or Tyrosinkinase inhibitor Lenvatinib. METHODS By using of immunohistological methods we analyzed and compared the macrophage and lymphocyte populations, vascularization, and PD-L1-status in 12 ACC of the salivary glands. RESULTS All cases showed a significant elevation of macrophages with M2 polarization and a higher vascularization in ACC compared to normal salivary gland tissue. The CD4/CD8 quotient was heterogenous. ACC does not show relevant PD-L1 expression. CONCLUSIONS The predominant M2 polarization of macrophages in ACC could be responsible for elevated vascularization, as already been proved in other cancer types, that M2 macrophages promote angiogenesis.
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Affiliation(s)
- Ioannis Michaelides
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany.
| | - Julian Künzel
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Tobias Ettl
- Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Philipp Beckhove
- Division of Interventional Immunology, RCI Regensburg Center for Interventional Immunology, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Christopher Bohr
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | | | - Andreas Mamilos
- Institute of Pathology, University of Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
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Intratumoral microbiota: roles in cancer initiation, development and therapeutic efficacy. Signal Transduct Target Ther 2023; 8:35. [PMID: 36646684 PMCID: PMC9842669 DOI: 10.1038/s41392-022-01304-4] [Citation(s) in RCA: 82] [Impact Index Per Article: 82.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/31/2022] [Accepted: 12/26/2022] [Indexed: 01/18/2023] Open
Abstract
Microorganisms, including bacteria, viruses, fungi, and other eukaryotes, play critical roles in human health. An altered microbiome can be associated with complex diseases. Intratumoral microbial components are found in multiple tumor tissues and are closely correlated with cancer initiation and development and therapy efficacy. The intratumoral microbiota may contribute to promotion of the initiation and progression of cancers by DNA mutations, activating carcinogenic pathways, promoting chronic inflammation, complement system, and initiating metastasis. Moreover, the intratumoral microbiota may not only enhance antitumor immunity via mechanisms including STING signaling activation, T and NK cell activation, TLS production, and intratumoral microbiota-derived antigen presenting, but also decrease antitumor immune responses and promote cancer progression through pathways including upregulation of ROS, promoting an anti-inflammatory environment, T cell inactivation, and immunosuppression. The effect of intratumoral microbiota on antitumor immunity is dependent on microbiota composition, crosstalk between microbiota and the cancer, and status of cancers. The intratumoral microbiota may regulate cancer cell physiology and the immune response by different signaling pathways, including ROS, β-catenin, TLR, ERK, NF-κB, and STING, among others. These viewpoints may help identify the microbiota as diagnosis or prognosis evaluation of cancers, and as new therapeutic strategy and potential therapeutic targets for cancer therapy.
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Cabeza-Segura M, Gambardella V, Gimeno-Valiente F, Carbonell-Asins JA, Alarcón-Molero L, González-Vilanova A, Zuñiga-Trejos S, Rentero-Garrido P, Villagrasa R, Gil M, Durá A, Richart P, Alonso N, Huerta M, Roselló S, Roda D, Tarazona N, Martínez-Ciarpaglini C, Castillo J, Cervantes A, Fleitas T. Integrative immune transcriptomic classification improves patient selection for precision immunotherapy in advanced gastro-oesophageal adenocarcinoma. Br J Cancer 2022; 127:2198-2206. [PMID: 36253523 PMCID: PMC9727124 DOI: 10.1038/s41416-022-02005-z] [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: 05/09/2022] [Revised: 09/18/2022] [Accepted: 09/27/2022] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Advanced gastro-oesophageal cancer (GEA) treatment has been improved by the introduction of immune checkpoint inhibitors (CPIs), yet identifying predictive biomarkers remains a priority, particularly in patients with a combined positive score (CPS) < 5, where the benefit is less clear. Our study assesses certain immune microenvironment features related to sensitivity or resistance to CPIs with the aim of implementing a personalised approach across CPS < 5 GEA. DESIGN Through integrative transcriptomic and clinicopathological analyses, we studied in both a retrospective and a prospective cohort, the immune tumour microenvironment features. We analysed the cell types composing the immune infiltrate highlighting their functional activity. RESULTS This integrative study allowed the identification of four different groups across our patients. Among them, we identified a cluster whose tumours expressed the most gene signatures related to immunomodulatory pathways and immunotherapy response. These tumours presented an enriched immune infiltrate showing high immune function activity that could potentially achieve the best benefit from CPIs. Finally, our findings were proven in an external CPI-exposed population, where the use of our transcriptomic results combined with CPS helped better identify those patients who could benefit from immunotherapy than using CPS alone (p = 0.043). CONCLUSIONS This transcriptomic classification could improve precision immunotherapy for GEA.
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Affiliation(s)
- Manuel Cabeza-Segura
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain
| | - Valentina Gambardella
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Francisco Gimeno-Valiente
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.83440.3b0000000121901201Cancer Evolution and Genome Instability Laboratory, UCL Cancer Institute, London, UK
| | - Juan Antonio Carbonell-Asins
- grid.429003.c0000 0004 7413 8491Department of Bioinformatics and Biostatistics. INCLIVA, Biomedical Research Institute, Valencia, Spain
| | - Lorena Alarcón-Molero
- grid.5338.d0000 0001 2173 938XDepartment of Pathology, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain
| | - Arturo González-Vilanova
- grid.429003.c0000 0004 7413 8491Department of Bioinformatics and Biostatistics. INCLIVA, Biomedical Research Institute, Valencia, Spain
| | - Sheila Zuñiga-Trejos
- grid.429003.c0000 0004 7413 8491Department of Bioinformatics and Biostatistics. INCLIVA, Biomedical Research Institute, Valencia, Spain
| | - Pilar Rentero-Garrido
- grid.429003.c0000 0004 7413 8491Department of Precision Medicine, INCLIVA, Biomedical Research Institute, Valencia, Spain
| | - Rosana Villagrasa
- grid.411308.fDepartment of Gastroenterology and Hepatology, Hospital Clínico Universitario de Valencia, Valencia, Spain
| | - Mireia Gil
- grid.106023.60000 0004 1770 977XDepartment of Medical Oncology, Hospital General Universitario, Valencia, Spain
| | - Ana Durá
- grid.106023.60000 0004 1770 977XDepartment of Gastroenterology and Hepatology, Hospital General Universitario, Valencia, Spain
| | - Paula Richart
- grid.84393.350000 0001 0360 9602Department of Medical Oncology, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Noelia Alonso
- grid.84393.350000 0001 0360 9602Department of Gastroenterology and Hepatology, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Marisol Huerta
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain
| | - Susana Roselló
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Desamparados Roda
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Noelia Tarazona
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Carolina Martínez-Ciarpaglini
- grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain ,grid.5338.d0000 0001 2173 938XDepartment of Pathology, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain
| | - Josefa Castillo
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain ,grid.5338.d0000 0001 2173 938XDepartment of Biochemistry and Molecular Biology, University of Valencia, Valencia, Spain
| | - Andrés Cervantes
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Tania Fleitas
- grid.5338.d0000 0001 2173 938XDepartment of Medical Oncology, Hospital Clínico Universitario, INCLIVA, Biomedical Research Institute, University of Valencia, Valencia, Spain ,grid.510933.d0000 0004 8339 0058CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
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Ge W, Dong Y, Deng Y, Chen L, Chen J, Liu M, Wu J, Wang W, Ma X. Potential biomarkers: Identifying powerful tumor specific T cells in adoptive cellular therapy. Front Immunol 2022; 13:1003626. [PMID: 36451828 PMCID: PMC9702804 DOI: 10.3389/fimmu.2022.1003626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/27/2022] [Indexed: 12/01/2023] Open
Abstract
Tumor-specific T cells (TSTs) are essential components for the success of personalized tumor-infiltrating lymphocyte (TIL)-based adoptive cellular therapy (ACT). Therefore, the selection of a common biomarker for screening TSTs in different tumor types, followed by ex vivo expansion to clinical number levels can generate the greatest therapeutic effect. However, studies on shared biomarkers for TSTs have not been realized yet. The present review summarizes the similarities and differences of a number of biomarkers for TSTs in several tumor types studied in the last 5 years, and the advantages of combining biomarkers. In addition, the review discusses the possible shortcomings of current biomarkers and highlights strategies to identify TSTs accurately using intercellular interactions. Finally, the development of TSTs in personalized TIL-based ACT for broader clinical applications is explored.
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Affiliation(s)
- Wu Ge
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, China
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yuqian Dong
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yao Deng
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Lujuan Chen
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Juan Chen
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Muqi Liu
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Jianmin Wu
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Wei Wang
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, China
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Xiaoqian Ma
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, China
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, China
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Lao Y, Wang Y, Yang J, Liu T, Ma Y, Luo Y, Sun Y, Li K, Zhao X, Niu X, Xi Y, Zhong C. Characterization of genomic alterations and neoantigens and analysis of immune infiltration identified therapeutic and prognostic biomarkers in adenocarcinoma at the gastroesophageal junction. Front Oncol 2022; 12:941868. [DOI: 10.3389/fonc.2022.941868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 10/24/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectivesAdenocarcinoma at the gastroesophageal junction (ACGEJ) refers to a malignant tumor that occurs at the esophagogastric junction. Despite some progress in targeted therapies for HER2, FGFR2, EGFR, MET, Claudin 18.2 and immune checkpoints in ACGEJ tumors, the 5-year survival rate of patients remains poor. Thus, it is urgent to explore genomic alterations and neoantigen characteristics of tumors and identify CD8+ T-cell infiltration-associated genes to find potential therapeutic targets and develop a risk model to predict ACGEJ patients’ overall survival (OS).MethodsWhole-exome sequencing (WES) was performed on 55 paired samples from Chinese ACGEJ patients. Somatic mutations and copy number variations were detected by Strelka2 and FACETS, respectively. SigProfiler and SciClone were employed to decipher the mutation signature and clonal structure of each sample, respectively. Neoantigens were predicted using the MuPeXI pipeline. RNA sequencing (RNA-seq) data of ACGEJ samples from our previous studies and The Cancer Genome Atlas (TCGA) were used to identify genes significantly associated with CD8+ T-cell infiltration by weighted gene coexpression network analysis (WGCNA). To construct a risk model, we conducted LASSO and univariate and multivariate Cox regression analyses.ResultsRecurrent MAP2K7, RNF43 and RHOA mutations were found in ACGEJ tumors. The COSMIC signature SBS17 was associated with ACGEJ progression. CCNE1 and VEGFA were identified as putative CNV driver genes. PI3KCA and TP53 mutations conferred selective advantages to cancer cells. The Chinese ACGEJ patient neoantigen landscape was revealed for the first time, and 58 potential neoantigens common to TSNAdb and IEDB were identified. Compared with Siewert type II samples, Siewert type III samples had significant enrichment of the SBS17 signature, a lower TNFRSF14 copy number, a higher proportion of samples with complex clonal architecture and a higher neoantigen load. We identified 10 important CD8+ T-cell infiltration-related Hub genes (CCL5, CD2, CST7, GVINP1, GZMK, IL2RB, IKZF3, PLA2G2D, P2RY10 and ZAP70) as potential therapeutic targets from the RNA-seq data. Seven CD8+ T-cell infiltration-related genes (ADAM28, ASPH, CAMK2N1, F2R, STAP1, TP53INP2, ZC3H3) were selected to construct a prognostic model. Patients classified as high risk based on this model had significantly worse OS than low-risk patients, which was replicated in the TCGA-ACGEJ cohort.ConclusionsThis study provides new neoantigen-based immunotherapeutic targets for ACGEJ treatment and effective disease prognosis biomarkers.
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Turner CN, Mullins GN, Hoyer KK. CXCR5 +CD8 T cells: Potential immunotherapy targets or drivers of immune-mediated adverse events? Front Med (Lausanne) 2022; 9:1034764. [PMID: 36314014 PMCID: PMC9606409 DOI: 10.3389/fmed.2022.1034764] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 09/23/2022] [Indexed: 11/15/2022] Open
Abstract
CXCR5+CD8 T cells have attracted significant interest within multiple areas of immunology, cancer, and infection. This is in part due to their apparent dual functionality. These cells perform as cytotoxic cells in a variety of infection states including LCMV, HBV, HIV and SIV. However, CXCR5+CD8 T cells also associate with B cells in peripheral organs and function to stimulate B cell proliferation, antibody/B cell receptor class-switch, and antibody production. CXCR5+CD8 T cells are similar to CXCR5+CD4 T follicular helpers in their genetic make-up, B cell interactions, and functionality despite possessing elevated programmed cell death 1 and cytotoxic proteins. Within cancer CXCR5+CD8 T cells have risen as potential prognostic markers for overall survival and are functionally cytotoxic within tumor microenvironments. In inflammatory disease and autoimmunity, CXCR5+CD8 T cells are implicated in disease progression. During viral infection and cancer, CXCR5 expression on CD8 T cells generally is indicative of progenitor memory stem-like exhausted cells, which are more responsive to immune checkpoint blockade therapy. The use of immune checkpoint inhibitors to overcome immune exhaustion in cancer, and subsequent consequence of immune adverse events, highlights the dual nature of the cellular immune response. This review will detail the functionality of CXCR5+CD8 T cells in cancer and autoimmunity with potential repercussions during immune checkpoint blockade therapy discussed.
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Affiliation(s)
- Christi N. Turner
- Quantitative and Systems Biology Graduate Program, University of California, Merced, Merced, CA, United States
| | - Genevieve N. Mullins
- Quantitative and Systems Biology Graduate Program, University of California, Merced, Merced, CA, United States
| | - Katrina K. Hoyer
- Quantitative and Systems Biology Graduate Program, University of California, Merced, Merced, CA, United States,Department of Molecular and Cell Biology, School of Natural Sciences, University of California, Merced, Merced, CA, United States,Health Sciences Research Institute, University of California, Merced, Merced, CA, United States,*Correspondence: Katrina K. Hoyer
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Al Moussawy M, Abdelsamed HA. Non-cytotoxic functions of CD8 T cells: “repentance of a serial killer”. Front Immunol 2022; 13:1001129. [PMID: 36172358 PMCID: PMC9511018 DOI: 10.3389/fimmu.2022.1001129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/25/2022] [Indexed: 12/01/2022] Open
Abstract
Cytotoxic CD8 T cells (CTLs) are classically described as the “serial killers” of the immune system, where they play a pivotal role in protective immunity against a wide spectrum of pathogens and tumors. Ironically, they are critical drivers of transplant rejection and autoimmune diseases, a scenario very similar to the famous novel “The strange case of Dr. Jekyll and Mr. Hyde”. Until recently, it has not been well-appreciated whether CTLs can also acquire non-cytotoxic functions in health and disease. Several investigations into this question revealed their non-cytotoxic functions through interactions with various immune and non-immune cells. In this review, we will establish a new classification for CD8 T cell functions including cytotoxic and non-cytotoxic. Further, we will discuss this novel concept and speculate on how these functions could contribute to homeostasis of the immune system as well as immunological responses in transplantation, cancer, and autoimmune diseases.
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Affiliation(s)
- Mouhamad Al Moussawy
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Starzl Transplantation Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Hossam A. Abdelsamed
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Starzl Transplantation Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Pittsburgh Liver Research Center, School of Medicine, Pittsburgh, PA, United States
- *Correspondence: Hossam A. Abdelsamed,
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Wang L, Lu J, Song Y, Bai J, Sun W, Yu J, Cai M, Fu S. Analysis of DNA Repair-Related Prognostic Function and Mechanism in Gastric Cancer. Front Cell Dev Biol 2022; 10:897096. [PMID: 35656545 PMCID: PMC9152153 DOI: 10.3389/fcell.2022.897096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/18/2022] [Indexed: 12/24/2022] Open
Abstract
DNA repair mechanisms have been proven to be essential for cells, and abnormalities in DNA repair could cause various diseases, such as cancer. However, the diversity and complexity of DNA repair mechanisms obscure the functions of DNA repair in cancers. In addition, the relationships between DNA repair, the tumor mutational burden (TMB), and immune infiltration are still ambiguous. In the present study, we evaluated the prognostic values of various types of DNA repair mechanisms and found that double-strand break repair through single-strand annealing (SSA) and nonhomologous end-joining (NHEJ) was the most prognostic DNA repair processes in gastric cancer (GC) patients. Based on the activity of these two approaches and expression profiles, we constructed a HR-LR model, which could accurately divide patients into high-risk and low-risk groups with different probabilities of survival and recurrence. Similarly, we also constructed a cancer-normal model to estimate whether an individual had GC or normal health status. The prognostic value of the HR-LR model and the accuracy of the cancer-normal model were validated in several independent datasets. Notably, low-risk samples, which had higher SSA and NHEJ activities, had more somatic mutations and less immune infiltration. Furthermore, the analysis found that low-risk samples had higher and lower methylation levels in CpG islands (CGIs) and open sea regions respectively, and had higher expression levels of programmed death-ligand 1 (PD-L1) and lower methylation levels in the promoter of the gene encoding PD-L1. Moreover, low-risk samples were characterized primarily by higher levels of CD4+ memory T cells, CD8+ naive T cells, and CD8+ TEM cells than those in high-risk samples. Finally, we proposed a decision tree and nomogram to help predict the clinical outcome of an individual. These results provide an improved understanding of the complexity of DNA repair, the TMB, and immune infiltration in GC, and present an accurate prognostic model for use in GC patients.
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Affiliation(s)
- Liqiang Wang
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China
| | - Jianping Lu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Ying Song
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China
| | - Jing Bai
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China
| | - Wenjing Sun
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China
| | - Jingcui Yu
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Scientific Research Centre, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Mengdi Cai
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China
- *Correspondence: Songbin Fu, ; Mengdi Cai,
| | - Songbin Fu
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China
- *Correspondence: Songbin Fu, ; Mengdi Cai,
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Fang F, Zhang T, Li Q, Chen X, Jiang F, Shen X. The tumor immune-microenvironment in gastric cancer. TUMORI JOURNAL 2022; 108:541-551. [PMID: 35196917 DOI: 10.1177/03008916211070051] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AIMS AND BACKGROUND The tumor microenvironment significantly influences malignant behavior and progression. Many components are involved in the tumor microenvironment, including extracellular matrix, stromal cells, immune and inflammatory cells, as well as cytokines that promote tumor development with complex interactions through the exchange of molecular information. It is now known that tumor immune escape may be influenced by the tumor microenvironment. The aim of this work is to conduct a review of the tumor immune-microenvironment in gastric cancer. METHODS We review the current knowledge of several immune cells involved in the gastric tumor microenvironment. In addition, a brief description of immunotherapy strategies for gastric cancer is also reviewed. CONCLUSIONS Among immune cell populations, lymphocytes, macrophages, dendritic cells and myeloid-derived suppressor cells are revealed to make the difference in promoting or suppressing gastric tumorigenesis, either directly or indirectly, via regulating the immune responses. Understanding these interactions in detail within the tumor immune-microenvironment will contribute to unraveling new therapeutic targets.
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Affiliation(s)
- Fujin Fang
- Key Laboratory of Environmental Medical Engineering and Education Ministry, School of Public Health, Southeast University, Nanjing, Jiangsu, China.,Department of Preventive Medicine, School of Public Health, Southeast University, Nanjing, China
| | - Tiantian Zhang
- Department of Clinical Laboratory, The Third People's Hospital of Bengbu, Bengbu, China
| | - Qiong Li
- Key Laboratory of Environmental Medical Engineering and Education Ministry, School of Public Health, Southeast University, Nanjing, Jiangsu, China.,Department of Preventive Medicine, School of Public Health, Southeast University, Nanjing, China
| | - Xiaowei Chen
- Key Laboratory of Environmental Medical Engineering and Education Ministry, School of Public Health, Southeast University, Nanjing, Jiangsu, China.,Department of Preventive Medicine, School of Public Health, Southeast University, Nanjing, China
| | - Fei Jiang
- Key Laboratory of Environmental Medical Engineering and Education Ministry, School of Public Health, Southeast University, Nanjing, Jiangsu, China.,Department of Preventive Medicine, School of Public Health, Southeast University, Nanjing, China
| | - Xiaobing Shen
- Key Laboratory of Environmental Medical Engineering and Education Ministry, School of Public Health, Southeast University, Nanjing, Jiangsu, China.,Department of Preventive Medicine, School of Public Health, Southeast University, Nanjing, China
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Wu X, Jiang D, Liu H, Lu X, Lv D, Liang L. CD8 + T Cell-Based Molecular Classification With Heterogeneous Immunogenomic Landscapes and Clinical Significance of Clear Cell Renal Cell Carcinoma. Front Immunol 2022; 12:745945. [PMID: 34970257 PMCID: PMC8713701 DOI: 10.3389/fimmu.2021.745945] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 11/29/2021] [Indexed: 01/07/2023] Open
Abstract
The tumor microenvironment (TME) exerts a high impact on tumor biology and immunotherapy. The heterogeneous phenotypes and the clinical significance of CD8+ T cells in TME have not been fully elucidated. Here, a comprehensive immunogenomic analysis based on multi-omics data was performed to investigate the clinical significance and tumor heterogeneity between CD8+ T cell-related molecular clusters. We identified two distinct molecular clusters of ccRCC (C1 and C2) in TCGA and validated in E-MTAB-1980 cohorts. The C1 cluster was characterized by unfavorable prognosis, increased expression levels of CD8+ T cell exhaustion markers, high immune infiltration levels as well as more immune escape mechanisms. The C2 cluster was featured by favorable prognosis, elevated expression levels of CD8+ T cell effector markers, low load of copy number loss and low frequency of 9p21.3 deletion. Moreover, the effect of molecular classifications on Nivolumab therapeutic efficacy in the CheckMate 025 cohort was examined, and the C2 cluster exhibited a better prognosis. Taken together, we determine two CD8+ T cell-related molecular clusters in ccRCC, and provide new insights for evaluating the functions of CD8+ T cells. Our molecular classification is a potential strategy for prognostic prediction and immunotherapeutic guidance for ccRCC patients.
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Affiliation(s)
- Xiangkun Wu
- Department of Pathology, Nanfang Hospital and Basic Medical College, Southern Medical University, Guangzhou, China.,Department of Pathology & Guangdong Province Key Laboratory of Molecular Tumor Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Dongmei Jiang
- Department of Pathology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hongling Liu
- Department of Pathology, Nanfang Hospital and Basic Medical College, Southern Medical University, Guangzhou, China.,Department of Pathology & Guangdong Province Key Laboratory of Molecular Tumor Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Xiaofan Lu
- State Key Laboratory of Natural Medicines, Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Daojun Lv
- Department of Urology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Li Liang
- Department of Pathology, Nanfang Hospital and Basic Medical College, Southern Medical University, Guangzhou, China.,Department of Pathology & Guangdong Province Key Laboratory of Molecular Tumor Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
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41
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Hu S, Liu H, Zhang J, Li S, Zhou H, Gao Y. Effects and prognostic values of miR-30c-5p target genes in gastric cancer via a comprehensive analysis using bioinformatics. Sci Rep 2021; 11:20584. [PMID: 34663825 PMCID: PMC8523699 DOI: 10.1038/s41598-021-00043-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 09/30/2021] [Indexed: 12/02/2022] Open
Abstract
Gastric cancer (GC) is a common cancer and the leading cause of cancer-related death worldwide. To improve the diagnosis and treatment of GC, it is necessary to identify new biomarkers by investigating the cellular and molecular mechanisms. In this study, miR-30c-5p expression was significantly down-regulated in GC tissues by comprehensive analysis using multiple databases. The target genes of miR-30c-5p with up-regulated expression level in GC were identified, including ADAM12 (a disintegrin and metalloproteinase12), EDNRA (the Endothelin receptor type A), STC1 (stanniocalcin 1), and CPNE8 (the calcium-dependent protein, copine 8). The expression level of ADAM12 was significantly related to depth of invasion (p = 0.036) in GC patients. The expression level of EDNRA was significantly related to grade (P = 0.003), depth of invasion (P = 0.019), and lymphatic metastasis (P = 0.001). The expression level of CPNE8 was significantly related to grade (P = 0.043) and TNM stage (P = 0.027).Gene set enrichment analysis showed that they might participate in GC progression through cancer-related pathways. CIBERSORT algorithm analysis showed that their expressions were related to a variety of tumor-infiltrating immune cells. The higher expression of those target genes might be the independent risk factor for poor survival of GC patients, and they might be potential prognostic markers in GC patients.
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Affiliation(s)
- Shangshang Hu
- Research Center of Clinical Laboratory Science, School of Laboratory Medicine, Bengbu Medical College, Bengbu, 233030, Anhui, China
| | - Huaifeng Liu
- School of Life Science, Bengbu Medical College, Bengbu, 233030, Anhui, China
| | - Jinyan Zhang
- School of Life Science, Bengbu Medical College, Bengbu, 233030, Anhui, China.,Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, 233030, Anhui, China
| | - Shujing Li
- School of Life Science, Bengbu Medical College, Bengbu, 233030, Anhui, China
| | - Huadong Zhou
- Department of Neurology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, Anhui, China.,Department of Neurology, Army Medical Center of PLA, Chongqing, 400038, China
| | - Yu Gao
- School of Life Science, Bengbu Medical College, Bengbu, 233030, Anhui, China. .,Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, 233030, Anhui, China. .,School of Life Science, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, No. 2600 Donghai Road, Bengbu, 233030, Anhui, China.
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42
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Yu X, Yu B, Fang W, Xiong J, Ma M. Identification hub genes of consensus molecular subtype correlation with immune infiltration and predict prognosis in gastric cancer. Discov Oncol 2021; 12:41. [PMID: 35201473 PMCID: PMC8777542 DOI: 10.1007/s12672-021-00434-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/16/2021] [Indexed: 11/19/2022] Open
Abstract
Gastric cancer (GC) has a great fatality rate, meanwhile, there is still a lack of available biomarkers for prognosis. The goal of the research was to discover key and novel potential biomarkers for GC. We screened for the expression of significantly altered genes based on survival rates from two consensus molecular subtypes (CMS) of GC. Subsequently, functional enrichment analysis showed these genes involved in many cancers. And we picked 6 hub genes that could both secreted in the tumor microenvironment and expression enhanced in immune cells. Then, Kaplan Meier survival and expression detected in the tumor pathological stage were utilized to clarify the prognostic of these 6 hub genes. The results indicated that OGN, CHRDL2, C2orf40, THBS4, CHRDL1, and ANGPTL1, respectively, were significantly associated with poor OS in GC patients. And their expression increased with cancer advanced. Moreover, immune infiltration analysis displayed that those hub genes expression positively with M2 macrophage, CD8+ T Cell, most immune inhibitors, and majority immunostimulators. In summary, our results suggested that OGN, CHRDL2, C2orf40, THBS4, CHRDL1, and ANGPTL1 were all potential biomarkers for GC prognosis and might also be potential therapeutic targets for GC.
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Affiliation(s)
- Xin Yu
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Bin Yu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Weidan Fang
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Jianping Xiong
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
| | - Mei Ma
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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