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Mukherjee AG, Wanjari UR, Gopalakrishnan AV, Bradu P, Biswas A, Ganesan R, Renu K, Dey A, Vellingiri B, El Allali A, Alsamman AM, Zayed H, George Priya Doss C. Evolving strategies and application of proteins and peptide therapeutics in cancer treatment. Biomed Pharmacother 2023; 163:114832. [PMID: 37150032 DOI: 10.1016/j.biopha.2023.114832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/18/2023] [Accepted: 04/30/2023] [Indexed: 05/09/2023] Open
Abstract
Several proteins and peptides have therapeutic potential and can be used for cancer therapy. By binding to cell surface receptors and other indicators uniquely linked with or overexpressed on tumors compared to healthy tissue, protein biologics enhance the active targeting of cancer cells, as opposed to the passive targeting of cells by conventional small-molecule chemotherapeutics. This study focuses on peptide medications that exist to slow or stop tumor growth and the spread of cancer, demonstrating the therapeutic potential of peptides in cancer treatment. As an alternative to standard chemotherapy, peptides that selectively kill cancer cells while sparing healthy tissue are developing. A mountain of clinical evidence supports the efficacy of peptide-based cancer vaccines. Since a single treatment technique may not be sufficient to produce favourable results in the fight against cancer, combination therapy is emerging as an effective option to generate synergistic benefits. One example of this new area is the use of anticancer peptides in combination with nonpeptidic cytotoxic drugs or the combination of immunotherapy with conventional therapies like radiation and chemotherapy. This review focuses on the different natural and synthetic peptides obtained and researched. Discoveries, manufacture, and modifications of peptide drugs, as well as their contemporary applications, are summarized in this review. We also discuss the benefits and difficulties of potential advances in therapeutic peptides.
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Affiliation(s)
- Anirban Goutam Mukherjee
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Uddesh Ramesh Wanjari
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India.
| | - Pragya Bradu
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Antara Biswas
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Raja Ganesan
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon 24252, South Korea
| | - Kaviyarasi Renu
- Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077 Tamil Nadu, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, West Bengal 700073, India
| | - Balachandar Vellingiri
- Stem cell and Regenerative Medicine/Translational Research, Department of Zoology, School of Basic Sciences, Central University of Punjab (CUPB), Bathinda 151401, Punjab, India
| | - Achraf El Allali
- African Genome Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco.
| | - Alsamman M Alsamman
- Department of Genome Mapping, Molecular Genetics, and Genome Mapping Laboratory, Agricultural Genetic Engineering Research Institute, Giza, Egypt
| | - Hatem Zayed
- Department of Biomedical Sciences College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - C George Priya Doss
- Department of Integrative Biology, School of BioSciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India
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Zou R, Zhong X, Liang K, Zhi C, Chen D, Xu Z, Zhang J, Liao D, Lai M, Weng Y, Peng H, Pang X, Ji Y, Ke Y, Zhang H, Wang Z, Wang Y. Elevated LILRB1 expression predicts poor prognosis and is associated with tumor immune infiltration in patients with glioma. BMC Cancer 2023; 23:403. [PMID: 37142967 PMCID: PMC10161664 DOI: 10.1186/s12885-023-10906-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 04/29/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND Leukocyte immunoglobulin-like receptor subfamily B1 (LILRB1) is regarded as an inhibitory molecule. However, the importance of LILRB1 expression in glioma has not yet been determined. This investigation examined the immunological signature, clinicopathological importance and prognostic value of LILRB1 expression in glioma. METHODS We used data from the UCSC XENA database, the Cancer Genome Atlas (TCGA) database, the Chinese Glioma Genome Atlas (CGGA) database, the STRING database, the MEXPRESS database and our clinical glioma samples to perform bioinformatic analysis and used vitro experiments to examine the predictive value and potential biological roles of LILRB1 in glioma. RESULTS Higher LILRB1 expression was considerably present in the higher WHO grade glioma group and was linked to a poorer prognosis in patients with glioma. Gene set enrichment analysis (GSEA) revealed that LILRB1 was positively correlated with the JAK/STAT signaling pathway. LILRB1 combined with tumor mutational burden (TMB) and microsatellite instability (MSI) may be a promising indicator for the effectiveness of immunotherapy in patients with glioma. Increased LILRB1 expression was positively linked with the hypomethylation, M2 macrophage infiltration, immune checkpoints (ICPs) and M2 macrophage makers. Univariate and multivariate Cox regression analyses determined that increased LILRB1 expression was a standalone causal factor for glioma. Vitro experiments determined that LILRB1 positively enhanced the proliferation, migration and invasion in glioma cells. MRI images demonstrated that higher LILRB1 expression was related with larger tumor volume in patients with glioma. CONCLUSION Dysregulation of LILRB1 in glioma is correlated with immune infiltration and is a standalone causal factor for glioma.
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Affiliation(s)
- Renheng Zou
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Xunlong Zhong
- Science and Technology Innovation Center, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- Department of Pharmacy, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Kairong Liang
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Cheng Zhi
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Danmin Chen
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Zhichao Xu
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Jingbai Zhang
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Degui Liao
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Miaoling Lai
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Yuhao Weng
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Huaidong Peng
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Xiao Pang
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Yunxiang Ji
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Yanbin Ke
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Hongri Zhang
- Department of Neurosurgery, The First Affiliated Hospital, College of Clinical Medicine, Henan University of Science and Technology, Luoyang, 471003, Henan, China.
| | - Zhaotao Wang
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China.
| | - Yezhong Wang
- Institute of Neuroscience, Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China.
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Wu M, Wu A, Zhang X, Li Y, Li B, Jin S, Dong Q, Niu X, Zhang L, Zhou X, Du J, Wu Y, Zhai W, Zhou X, Qiu L, Gao Y, Zhao W. Identification of a novel small-molecule inhibitor targeting TIM-3 for cancer immunotherapy. Biochem Pharmacol 2023; 212:115583. [PMID: 37148978 DOI: 10.1016/j.bcp.2023.115583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/27/2023] [Accepted: 04/27/2023] [Indexed: 05/08/2023]
Abstract
PD-1/PD-L1 blockade has achieved substantial clinical results in cancer treatment. However, the expression of other immune checkpoints leads to resistance and hinders the efficacy of PD-1/PD-L1 blockade. T cell immunoglobulin and mucin domain 3 (TIM-3), a non-redundant immune checkpoint, synergizes with PD-1 to mediate T cell dysfunction in tumor microenvironment. Development of small molecules targeting TIM-3 is a promising strategy for cancer immunotherapy. Here, to identify small molecule inhibitors targeting TIM-3, the docking pocket in TIM-3 was analyzed by Molecular Operating Environment (MOE) and the Chemdiv compound database was screened. The small molecule SMI402 could bind to TIM-3 with high affinity and prevent the ligation of PtdSer, HMGB1, and CEACAM1. SMI402 reinvigorated T cell function in vitro. In the MC38-bearing mouse model, SMI402 inhibited tumor growth by increasing CD8+ T and natural killing (NK) cells infiltration at the tumor site, as well as restoring the function of CD8+ T and NK cells. In conclusions, the small molecule SMI402 shows promise as a leading compound which targets TIM-3 for cancer immunotherapy.
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Affiliation(s)
- Menghan Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Aijun Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiangrui Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yang Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Beibei Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Shengzhe Jin
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Qingyu Dong
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoshuang Niu
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Lihan Zhang
- The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Xiaowen Zhou
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jiangfeng Du
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yahong Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Henan Key Laboratory of Bioactive Macromolecules, Zhengzhou University, Zhengzhou 450001, China
| | - Wenjie Zhai
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; International Joint Laboratory for Protein and Peptide Drugs of Henan Province, Zhengzhou University, Zhengzhou 450001, China
| | - Xiuman Zhou
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Lu Qiu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Yanfeng Gao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China.
| | - Wenshan Zhao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China.
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104
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Qin Y, Wang Q, Shi J. Immune checkpoint modulating T cells and NK cells response to Mycobacterium tuberculosis infection. Microbiol Res 2023; 273:127393. [PMID: 37182283 DOI: 10.1016/j.micres.2023.127393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 04/07/2023] [Accepted: 04/22/2023] [Indexed: 05/16/2023]
Abstract
Many subversive mechanisms promote the occurrence and development of chronic infectious diseases and cancer, among which the down-regulated expression of immune-activating receptors and the enhanced expression of immune-inhibitory receptors accelerate the occurrence and progression of the disease. Recently, the use of immune checkpoint inhibitors has shown remarkable efficacy in the treatment of tumors in multiple organs. However, the expression of immune checkpoint molecules on natural killer (NK) cells by Mycobacterium tuberculosis (Mtb) infection and its impact on NK cell effector functions have been poorly studied. In this review, we focus on what is currently known about the expression of various immune checkpoints in NK cells following Mtb infection and how it alters NK cell-mediated host cytotoxicity and cytokine secretion. Unraveling the function of NK cells after the infection of host cells by Mtb is crucial for a comprehensive understanding of the innate immune mechanism of NK cells involved in tuberculosis and the evaluation of the efficacy of immunotherapies using immune checkpoint inhibitors to treat tuberculosis. In view of some similarities in the immune characteristics of T cells and NK cells, we reviewed the molecular mechanism of the interaction between T cells and Mtb, which can help us to further understand and explore the specific interaction mechanism between NK cells and Mtb.
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Affiliation(s)
- Yongwei Qin
- Department of Pathogen Biology, Medical College, Nantong University, No. 19 Qixiu Road, Nantong 226001, China.
| | - Qinglan Wang
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Jiahai Shi
- Department of Thoracic Surgery, Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases in Affiliated Hospital of Nantong University, No. 20 Xisi Road, Nantong 226001, China
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105
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Weng D, Guo R, Zhu Z, Gao Y, An R, Zhou X. Peptide-based PET imaging agent of tumor TIGIT expression. EJNMMI Res 2023; 13:38. [PMID: 37129788 PMCID: PMC10154443 DOI: 10.1186/s13550-023-00982-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 04/07/2023] [Indexed: 05/03/2023] Open
Abstract
BACKGROUND Accumulating studies have demonstrated that elevated TIGIT expression in tumor microenvironment correlates with better therapeutic response to TIGIT-based immunotherapy in pre-clinical studies. Therefore, a non-invasive method to detect tumor TIGIT expression is crucial to predict the therapeutic effect. METHODS In this study, a peptide-based PET imaging agent, 68Ga-DOTA-DTBP-3, was developed to non-invasively detect TIGIT expression by micro-PET in tumor-bearing BALB/c mice. DTBP-3, a D-peptide comprising of 12 amino acids, was radiolabeled with 68Ga through a DOTA chelator. In vitro studies were performed to evaluate the affinity of 68Ga-DOTA-DTBP-3 to TIGIT and its stability in fetal bovine serum. In vivo studies were assessed by micro-PET, biodistribution, and immunohistochemistry on tumor-bearing BALB/c mice. RESULTS The in vitro studies showed the equilibrium dissociation constant of 68Ga-DOTA-DTBP-3 for TIGIT was 84.21 nM and its radiochemistry purity was 89.24 ± 1.82% in FBS at 4 h in room temperature. The results of micro-PET, biodistribution and immunohistochemistry studies indicated that 68Ga-DOTA-DTBP-3 could be specifically targeted in 4T1 tumor-bearing mice, with a highest uptake at 0.5 h. CONCLUSION 68Ga-DOTA-DTBP-3 holds potential for non-invasively detect tumor TIGIT expression and for timely assessment of the therapeutic effect of immune checkpoint blockade.
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Affiliation(s)
- Dinghu Weng
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China.
| | - Rong Guo
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430000, Hubei, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430000, Hubei, China
| | - Ziyang Zhu
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430000, Hubei, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430000, Hubei, China
| | - Yu Gao
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430000, Hubei, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430000, Hubei, China
| | - Rui An
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430000, Hubei, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430000, Hubei, China
| | - Xiuman Zhou
- School of Pharmaceutical Sciences (Shenzhen), SunYat-Sen University, Shenzhen, 518107, Guangdong, China
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Li X, Yan X, Wang Y, Kaur B, Han H, Yu J. The Notch signaling pathway: a potential target for cancer immunotherapy. J Hematol Oncol 2023; 16:45. [PMID: 37131214 PMCID: PMC10155406 DOI: 10.1186/s13045-023-01439-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 04/13/2023] [Indexed: 05/04/2023] Open
Abstract
Dysregulation of the Notch signaling pathway, which is highly conserved across species, can drive aberrant epigenetic modification, transcription, and translation. Defective gene regulation caused by dysregulated Notch signaling often affects networks controlling oncogenesis and tumor progression. Meanwhile, Notch signaling can modulate immune cells involved in anti- or pro-tumor responses and tumor immunogenicity. A comprehensive understanding of these processes can help with designing new drugs that target Notch signaling, thereby enhancing the effects of cancer immunotherapy. Here, we provide an up-to-date and comprehensive overview of how Notch signaling intrinsically regulates immune cells and how alterations in Notch signaling in tumor cells or stromal cells extrinsically regulate immune responses in the tumor microenvironment (TME). We also discuss the potential role of Notch signaling in tumor immunity mediated by gut microbiota. Finally, we propose strategies for targeting Notch signaling in cancer immunotherapy. These include oncolytic virotherapy combined with inhibition of Notch signaling, nanoparticles (NPs) loaded with Notch signaling regulators to specifically target tumor-associated macrophages (TAMs) to repolarize their functions and remodel the TME, combining specific and efficient inhibitors or activators of Notch signaling with immune checkpoint blockers (ICBs) for synergistic anti-tumor therapy, and implementing a customized and effective synNotch circuit system to enhance safety of chimeric antigen receptor (CAR) immune cells. Collectively, this review aims to summarize how Notch signaling intrinsically and extrinsically shapes immune responses to improve immunotherapy.
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Affiliation(s)
- Xinxin Li
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Xianchun Yan
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Yufeng Wang
- Cancer Institute, The First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Balveen Kaur
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, 77225, USA
| | - Hua Han
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.
| | - Jianhua Yu
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, 1500 East Duarte, Los Angeles, CA, 91010, USA.
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Huang X, Gou W, Song Q, Huang Y, Wen C, Bo X, Jiang X, Feng J, Gao H. A BRAF mutation-associated gene risk model for predicting the prognosis of melanoma. Heliyon 2023; 9:e15939. [PMID: 37205993 PMCID: PMC10189240 DOI: 10.1016/j.heliyon.2023.e15939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/25/2023] [Accepted: 04/27/2023] [Indexed: 05/21/2023] Open
Abstract
BRAF mutation plays an important role in the pathogenesis and progression of melanoma and is correlated to the prognosis of melanoma patients. However, fewer studies have attempted to develop a BRAF mutation-associated gene risk model for predicting the prognosis of melanoma. The current research explores BRAF mutation-related biological features in melanoma and establishes a prognostic signature. First, we identified three significantly enriched KEGG pathways (glycosphingolipid biosynthesis - ganglio series, ether lipid metabolism, and glycosaminoglycan biosynthesis - keratan sulfate) and corresponding genes in the BRAF mutant group by gene set enrichment analysis. We then developed a prognostic signature based on 7 BRAF-associated genes (PLA2G2D, FUT8, PLA2G4E, PLA2G5, PLA2G1B, B3GNT2, and ST3GAL5) and assessed its prediction accuracy using ROC curve analysis. Finally, the nomogram was established according to the prognostic signature and independent clinical characteristics to predict the survival of melanoma patients. Furthermore, we found higher proportions of naive B cells, plasma cells, CD8 T cells, CD4 memory-activated T cells, and regulatory T cells in the low-risk group. Whereas lower proportions of M0, M1, and M2 macrophages and resting NK cells were observed in the high-risk group. The analysis also showed a significantly higher expression of immune checkpoint molecules (PD-1, PD-L1, CTLA4, BTLA, CD28, CD80, CD86, HAVCR2, ICOS, LAG3, and TIGIT) in the low-risk group. Our results provide novel insights into the effect of BRAF mutation on melanoma growth and indicate a promising direction toward immunotherapy and precision medicine in melanoma patients.
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Affiliation(s)
- Xiang Huang
- Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, Guizhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Wanrong Gou
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Qinxian Song
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Yan Huang
- Department of Dermatology, Suining First People's Hospital, Suining, 629000, Sichuan, China
| | - Chunlei Wen
- Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Xue Bo
- Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Xian Jiang
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Jianguo Feng
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
- Corresponding author.
| | - Hong Gao
- Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, Guizhou, China
- Corresponding author.
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108
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Sharma H, Moturi KR, Pankratz VS, Yilmaz E, Gbolahan OB, Kumar A, Hashemi-Sadraei N. Outcomes of responders to PD-1/PD-L1 inhibitors who discontinue therapy after sustained disease control. J Cancer Res Clin Oncol 2023:10.1007/s00432-023-04812-0. [PMID: 37115270 PMCID: PMC10140701 DOI: 10.1007/s00432-023-04812-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/22/2023] [Indexed: 04/29/2023]
Abstract
BACKGROUND PD-1/PD-L1 immune checkpoint inhibitors (ICIs) are widely used in the treatment of metastatic malignancies. Judiciously balancing disease control (DC) against development of immune-related adverse events (irAE) remains a crucial aspect of treatment. The effect of treatment discontinuation after sustained disease control (SDC) is unknown. The purpose of this analysis was to evaluate outcomes of responders to ICI who discontinue treatment after a minimum of 12 months (SDC). METHODS We retrospectively reviewed the database of the University of New Mexico Comprehensive Cancer Center (UNMCCC) between 2014 and 2021 and identified patients who had received ICI. Patients with metastatic solid tumors who had stopped ICI therapy after achieving SDC [stable disease, partial response, complete response (SD, PR, CR)] were selected and outcomes reviewed from their electronic health records. RESULTS We identified 204 patients who were treated with ICI for various solid cancers. Forty-four patients (21.6%) met the criteria, of whom 35 with follow-up data were included in the final analysis; including 11 melanoma, 5 non-small cell lung, 4 head & neck, 8 renal, 4 urothelial, 1 anal, 1 Merkel cell carcinoma, and 1 liposarcoma. Patients were divided into two groups: those who stopped ICI due to an irAE [irAE group, n = 14, median treatment time (MTT), 16.6 mo] and those who stopped due to other reasons (eg completion of 2 years of therapy, n = 20, non-cancer related surgery, n = 1) (non-irAE group, n = 21, MTT, 23.7 mo). Among the irAE group, the most common irAE included pneumonitis, rash, transaminitis, and fatigue. As of data cutoff date, 9 of 14 (64%) patients continued to show SDC. Only 5 of 14 (36%) patients in this group experienced progression of disease (PD), with 1 of 2 patients achieving DC (median follow-up of 19.2 mo after last dose of treatment, range 3-50.2 mo). Among the non-irAE group, 13 of 21 (62%) continued to have SDC. Eight of 21 (38%) experienced PD after stopping treatment, 7 of whom received ICI rechallenge, with 2 of 7 achieving DC (median follow-up of 22.2 mo, range 3.6-54.8 mo). At a median follow-up of 21.3 mo from stopping ICI therapy (range, 3-54.8 mo), 10 patients (71%) from the irAE group and 13 (61.9%) from the non-irAE group are in DC and have not experienced PD. CONCLUSIONS We demonstrate that 22 (66%) patients experienced SDC, regardless of cancer type or development of irAE. After including patients who were re-challenged with ICI due to PD, 25 (71%) remain in DC. Future prospective malignancy-specific trials are warranted to evaluate optimal treatment duration.
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Affiliation(s)
- Harsh Sharma
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM, 87131, USA.
| | - Krishna R Moturi
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM, 87131, USA
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, 87102, USA
| | - Vernon S Pankratz
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM, 87131, USA
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, 87102, USA
| | - Emrullah Yilmaz
- Cleveland Clinic Taussig Cancer Center, Cleveland, OH, 44106, USA
| | - Olumide B Gbolahan
- Winship Cancer Institute at Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Atul Kumar
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM, 87131, USA
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, 87102, USA
| | - Neda Hashemi-Sadraei
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM, 87131, USA
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, 87102, USA
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Hu BQ, Huang JF, Niu K, Zhou J, Wang NN, Liu Y, Chen LW. B7-H3 but not PD-L1 is involved in the antitumor effects of Dihydroartemisinin in non-small cell lung cancer. Eur J Pharmacol 2023; 950:175746. [PMID: 37105515 DOI: 10.1016/j.ejphar.2023.175746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 04/14/2023] [Accepted: 04/24/2023] [Indexed: 04/29/2023]
Abstract
Dihydroartemisinin (DHA), an active antimalaria metabolite derived from artemisinin, has received increasing attention for its anticancer activities. However, little is known about the anticancer mechanisms of DHA, although the existing data define its antimalaria effects by producing excessive reactive oxygen species (ROS). In this study, we showed that DHA effectively suppresses in vitro and in vivo tumor growth of non-small cell lung cancer (NSCLC) without perceptible toxicity on heart, liver, spleen, lung, and kidney tissues. Of note, DHA inhibited the expression of B7-H3 rather than PD-L1, whereas overexpression of B7-H3 completely rescued DHA's inhibition on cell proliferation and migration of NSCLC A549 and HCC827 cells. B7-H3 overexpression also largely inhibited DHA's induction on the apoptosis of the two cell lines. Furthermore, DHA treatment led to increased infiltration of CD8+ T Lymphocytes in the xenografts as compared with that of negative controls. Taken together, our results suggest that B7-H3 but not PD-L1 is involved in the antitumor effects of DHA in NSCLC, which may be indicative of an effective B7-H3 blockade and further combination with anti-PD-L1/PD-1 immunotherapy.
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Affiliation(s)
- Bing-Qi Hu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Jun-Feng Huang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Ke Niu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Jing Zhou
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Nan-Nan Wang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Yu Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Li-Wen Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China; Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
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110
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Itagaki F, Nakatsuka K, Sakai H, Endo S, Su MT, Takai T. Fibronectin on target cells attenuates natural cytotoxicity of NK cells via myeloid immune checkpoint ILT3/LILRB4/gp49B. Int Immunol 2023:7135608. [PMID: 37083755 DOI: 10.1093/intimm/dxad012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Indexed: 04/22/2023] Open
Abstract
Natural killer (NK) cells play pivotal roles in innate immunity as well as in anti-tumor responses via natural killing, while their activity is tightly regulated by cell-surface inhibitory receptors. Immunoglobulin (Ig)-like transcript 3/leukocyte Ig-like receptor B4 (ILT3/LILRB4, also known as gp49B in mice) is an inhibitory receptor expressed on activated NK cells as well as myeloid-lineage cells. The common physiologic ligand of human LILRB4 and gp49B is identified very recently as fibronectin (FN), particularly the N-terminal 30 kDa domain (FN30). We hypothesized that LILRB4 could bind FN on target cells in trans together with integrin, a classical FN receptor, in cis and deliver an inhibitory signal in NK cells, leading to attenuated natural killing. Flow cytometric and confocal microscopic analyses of NK cell-surface gp49B and integrin suggested that these novel and classical FN receptors, respectively, co-engage FN immobilized on a culture plate. Biochemical analyses indicated that tyrosine phosphorylation of spleen tyrosine kinase was augmented in gp49B-deficient NK cells upon binding to the immobilized FN. While surface FN-poor YAC-1 cells were evenly sensitive as to natural killing of both gp49B-positive and -negative NK cells, the killing of FN-rich Lewis lung carcinoma cells, but not the FN30-knockout cells, was augmented among gp49B-deficient NK cells. These results suggest that the natural cytotoxicity of NK cells is negatively regulated through LILRB4/gp49B sensing FN on target cells, which sheds light on the unexpected role of LILRB4 and FN as a potential attenuator of NK cell cytotoxicity in the tumor microenvironment.
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Affiliation(s)
- Fumika Itagaki
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
| | - Keita Nakatsuka
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
| | - Haruka Sakai
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
| | - Shota Endo
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
| | - Mei-Tzu Su
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
| | - Toshiyuki Takai
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
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111
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Li H, Yang L, Wang Y, Wang L, Chen G, Zhang L, Wang D. Integrative analysis of TP53 mutations in lung adenocarcinoma for immunotherapies and prognosis. BMC Bioinformatics 2023; 24:155. [PMID: 37072703 PMCID: PMC10114340 DOI: 10.1186/s12859-023-05268-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 04/02/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND The TP53 tumor suppressor gene is one of the most mutated genes in lung adenocarcinoma (LUAD) and plays a vital role in regulating the occurrence and progression of cancer. We aimed to elucidate the association between TP53 mutations, response to immunotherapies and the prognosis of LUAD. METHODS Genomic, transcriptomic, and clinical data of LUAD were downloaded from The Cancer Genome Atlas (TCGA) dataset. Gene ontology (GO) analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, gene set enrichment analysis (GSEA). Gene set variation analysis (GSVA) were performed to determine the differences in biological pathways. A merged protein-protein interaction (PPI) network was constructed and analyzed. MSIpred was used to analyze the correlation between the expression of the TP53 gene, tumor mutation burden (TMB) and tumor microsatellite instability (MSI). CIBERSORT was used to calculate the abundance of immune cells. Univariate and multivariate Cox regression analyses were used to determine the prognostic value of TP53 mutations in LUAD. RESULTS TP53 was the most frequently mutated in LUAD, with a mutational frequency of 48%. GO and KEGG enrichment analysis, GSEA, and GSVA results showed a significant upregulation of several signaling pathways, including PI3K-AKT mTOR (P < 0.05), Notch (P < 0.05), E2F target (NES = 1.8, P < 0.05), and G2M checkpoint (NES = 1.7, P < 0.05). Moreover, we found a significant correlation between T cells, plasma cells, and TP53 mutations (R2 < 0.01, P = 0.040). Univariate and multivariate Cox regression analyses revealed that the survival prognosis of LUAD patients was related to TP53 mutations (Hazard Ratio (HR) = 0.72 [95% CI, 0.53 to 0.98], P < 0.05), cancer status (P < 0.05), and treatment outcomes (P < 0.05). Lastly, the Cox regression models showed that TP53 exhibited good power in predicting three- and five-year survival rates. CONCLUSIONS TP53 may be an independent predictor of response to immunotherapy in LUAD, and patients with TP53 mutations have higher immunogenicity and immune cell infiltration.
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Affiliation(s)
- He Li
- Department of Respiration, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lei Yang
- Department of Epidemiology and Statistics, School of Public Health, Hebei Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang, China
| | - Yuanyuan Wang
- Department of Respiration, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lingchan Wang
- Department of Ultrasound, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Gang Chen
- Department of Respiration, The Third Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Li Zhang
- Department of Geriatrics, The Third Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Dongchang Wang
- Department of Respiration, The Third Hospital of Hebei Medical University, Shijiazhuang, China.
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Motavalli R, Hosseini M, Soltani-Zangbar MS, Karimi A, Sadeghi M, Dolati S, Yousefi M, Etemadi J. Evaluation of the immune checkpoint factors in idiopathic membranous nephropathy. Mol Cell Probes 2023; 69:101914. [PMID: 37075987 DOI: 10.1016/j.mcp.2023.101914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 04/16/2023] [Accepted: 04/16/2023] [Indexed: 04/21/2023]
Abstract
Idiopathic membranous nephropathy (IMN), a single-organ autoimmune disease, is recognized by autoantibodies to podocyte proteins and identified as the most frequent cause of nephrotic syndrome in adults. T cells are important contributors in autoimmunity since they promote B-cell development, antibody production, direct inflammation, and organ tissue cytotoxicity. This study investigated the inhibitory immune checkpoint (ICP) receptors expressed on T lymphocytes and other immune cells. Thus, PBMCs from IMN patients were obtained before treatment, and the levels of ICPs such as programmed cell death protein 1 (PD-1), cytotoxic T-lymphocyte-associated protein 4 (CTLA4), lymphocyte activation gene-3 (LAG-3), and T cell immunoglobulin-3 (TIM-3) were examined at both gene and protein expression using real time PCR and Western blot tests respectively. The results illustrated that gene expression levels of ICPs reduced significantly in comparison to the control which were verified by related fold changes of protein expression sequentially. Our study revealed that CTLA-4, PD-1, TIM-3, and LAG-3 expression is impaired in IMN patients before treatment which could be a potential target for therapy.
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Affiliation(s)
- Roza Motavalli
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Hosseini
- Pediatric Cell and Gene Therapy Research Center, Gene, Cell & Tissue Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Abbas Karimi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammadreza Sadeghi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Dolati
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Yousefi
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Jalal Etemadi
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Baggio C, Ramaschi GE, Oliviero F, Ramonda R, Sfriso P, Trevisi L, Cignarella A, Bolego C. Sex-dependent PD-L1/sPD-L1 trafficking in human endothelial cells in response to inflammatory cytokines and VEGF. Biomed Pharmacother 2023; 162:114670. [PMID: 37068331 DOI: 10.1016/j.biopha.2023.114670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/29/2023] [Accepted: 04/06/2023] [Indexed: 04/19/2023] Open
Abstract
Programmed cell death 1 ligand 1 (PD-L1) expressed in non-immune cells is involved in immune-mediated tissue damage in the context of inflammatory conditions and tumor immune escape. Emerging evidence suggests soluble (s)PD-L1 as a marker of inflammation. Based on well-established sex-specific differences in immunity, we tested the novel hypotheses that (i) endothelial cell PD-L1 is modulated by inflammatory cytokines and vascular endothelial growth factor (VEGF) in a sex-specific fashion, and (ii) the endothelium is a source of sPD-L1. After exposure of human umbilical vein endothelial cells (HUVECs) to lipopolysaccharide, interleukin (IL)1β or VEGF for 24 h, total PD-L1 levels were upregulated solely in cells from female donors, while being unchanged in those from male donors. Accordingly, exposure to synovial fluids from patients with inflammatory arthritis upregulated PD-L1 levels in HUVECs from female donors only. Membrane PD-L1 expression as measured by flow cytometry was unchanged in response to inflammatory stimuli. However, exposure to 2 ng/mL IL-1β or 50 ng/mL VEGF time-dependently increased sPD-L1 release by HUVECs from female donors. Treatment with the metalloproteinase (MMP) inhibitor GM6001 (10 μM) prevented IL-1β-induced sPD-L1 release and enhanced membrane PD-L1 levels. The anti-VEGF agents bevacizumab and sunitinib reduced both VEGF-induced PD-L1 accumulation and sPD-L1 secretion. Thus, inflammatory agents and VEGF rapidly increased endothelial PD-L1 levels in a sex-specific fashion. Furthermore, the vascular endothelium may be a sPD-L1 source, whose production is MMP-dependent and modulated by anti-VEGF agents. These findings may have implications for sex-specific immunity, vascular inflammation and response to anti-angiogenic therapy.
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Affiliation(s)
| | | | | | | | - Paolo Sfriso
- Department of Medicine, University of Padova, Italy
| | - Lucia Trevisi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Italy
| | | | - Chiara Bolego
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Italy
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Hezave YA, Sharifi Z, Kermani FR. Analysis of Programmed Cell Death-1 (PD-1) Gene Variations (re11568821 and rs41386349) in HTLV-1 Infection Using One Primer Pair and Proviral Load. J Mol Evol 2023:10.1007/s00239-023-10104-5. [PMID: 37020064 DOI: 10.1007/s00239-023-10104-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 03/16/2023] [Indexed: 04/07/2023]
Abstract
About 90% of people infected with Human T lymphotropic virus type-1 (HTLV-1) virus are asymptomatic, so it can be said that the prevalence of this virus is not completely clear. During chronic infection, the expression of programmed cell death-1 (PD-1) protein increases and causes exhausted phenotype in T cells. Considering the role of host genetics and immune responses in HTLV-1 infection, in this case-control study, included 81 asymptomatic carriers (ACs) and 162 healthy controls (HCs), rs11568821 and rs41386349 polymorphisms of PD-1 gene were evaluated by Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method which investigated by one primer pair for both polymorphisms also, proviral load (PVL) measured by quantitative real-time PCR (Q-RT-PCR). The results showed that the mutant allele of rs11568821 (A) and rs41386349 (T) polymorphisms is associated with an increase in HTLV-1 infection significantly (p = 0.019 and p = 0.000 respectively). But there was no significant relationship between PVL and polymorphisms.
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Affiliation(s)
- Yalda Amiri Hezave
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, P.O. Box: 14665-1157, Iran
| | - Zohreh Sharifi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, P.O. Box: 14665-1157, Iran.
| | - Fahime Ranjbar Kermani
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, P.O. Box: 14665-1157, Iran
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Han X, Guo J, Tang X, Zhu H, Zhu D, Zhang X, Meng X, Hua Y, Wang Z, Zhang Y, Huang W, Wang L, Yuan S, Zhang P, Gong H, Sun Y, Zhang Y, Liu Z, Wang Z. Efficacy and safety of sintilimab plus docetaxel in patients with previously treated advanced non-small cell lung cancer: a prospective, single-arm, phase II study in China. J Cancer Res Clin Oncol 2023; 149:1443-1451. [PMID: 35482078 PMCID: PMC9047475 DOI: 10.1007/s00432-022-04023-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/12/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE Although immune checkpoint inhibitor monotherapy has been used as a second-line treatment in advanced non-small cell lung cancer (NSCLC), the improvement in progression-free survival (PFS) remains unsatisfactory. We investigated the feasibility of sintilimab plus chemotherapy as a second-line treatment in advanced NSCLC. METHODS This was a phase II, single-arm, prospective study in advanced NSCLC patients who had failed standard platinum-based chemotherapy (ChiCTR1900027634, Registered 22 November 2019). Eligible patients received docetaxel 75 mg/m2 (day 1) plus sintilimab 200 mg (day 3) Q3W. Those did not progress after 4-6 cycles received sintilimab 200 mg Q3W as maintenance treatment. The primary endpoint was PFS. RESULTS Forty patients were enrolled between October 2019 and October 2020. With a median follow-up of 12.2 months, the median PFS was 5.8 months, and the PFS rates at 6 and 12 months were 48% and 30%, respectively. The median overall survival (OS) was 12.6 months, with a 12-month OS rate of 62.0%. The overall response rate was 32.4%, and the disease control rate was 89.2%. The incidence of all and ≥ grade 3 treatment-related adverse events (TRAEs) were 65% (26/40) and 17.5% (7/40), respectively. No TRAEs-related permanent treatment discontinuation or death occurred. bTMB reduction at 6 weeks was associated with a longer PFS (NR vs 3.0 months, P < 0.0001). CONCLUSION This prospective phase II study in China suggested that sintilimab plus docetaxel might improve PFS and tumor response with good tolerability for Chinese patients with previously treated advanced NSCLC. bTMB reduction at 6 weeks could serve as a potential predictive biomarker for this regimen.
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Affiliation(s)
- Xiao Han
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Jun Guo
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Xiaoyong Tang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Hui Zhu
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Dongyuan Zhu
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Xiqin Zhang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Xiangjiao Meng
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Ying Hua
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Zhongtang Wang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Yan Zhang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Wei Huang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Linlin Wang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Shuanghu Yuan
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Pingliang Zhang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Heyi Gong
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Yulan Sun
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Yingjie Zhang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Zengjun Liu
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China
| | - Zhehai Wang
- Shandong Cancer Hospital and Institute, Shandong First Medical University, and Shandong Academy of Medical Sciences, Jinan, China.
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Entezam M, Sanaei MJ, Mirzaei Y, Mer AH, Abdollahpour-Alitappeh M, Azadegan-Dehkordi F, Bagheri N. Current progress and challenges of immunotherapy in gastric cancer: A focus on CAR-T cells therapeutic approach. Life Sci 2023; 318:121459. [PMID: 36720453 DOI: 10.1016/j.lfs.2023.121459] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/22/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023]
Abstract
Gastric cancer (GC) is a severe malignancy, accounting for the third most common cancer death worldwide. Despite the development of chemo-radiation therapy, there has not been sufficient survival advantage in patients with GC who were treated by these methods. GC immunogenicity is hampered by a highly immunosuppressive microenvironment; therefore, further understanding of the molecular biology of GC is the potential to achieve new therapeutic strategies in GC therapy, including specific immunotherapy. Current immunotherapies are mainly based on cytokines, immune checkpoints, monoclonal antibodies (mAb), bispecific antibodies (BisAbs), antibody-drug conjugates (ADCs), and chimeric antigen receptor (CAR). Immunotherapy has made significant progress in the treatment of GC, so that studies show that nivolumab as a programmed death 1 (PD1) inhibitor has proper safety and effectiveness as a third-line treatment for GC patients. Multiple monoclonal antibodies like ramucirumab and claudiximab were effective in treating GC patients, especially in combination with other treatments. Despite the challenges of CAR therapy in solid tumors, CAR therapy targets various GC cells targets; among them, intercellular adhesion molecule (ICAM)-1 CAR-T cell and CLDN18.2 CAR-T cell have shown promising results. Although responses to all these treatments are encouraging and in some cases, durable, these successes are not seen in all treated patients. The present review represents the development of various immunotherapies especially CAR-T cell therapy, its current use, clinical data in GC, and their limitations.
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Affiliation(s)
- Mahshad Entezam
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran; Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammad-Javad Sanaei
- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Yousef Mirzaei
- Department of Medical Biochemical Analysis, Cihan University-Erbil, Kurdistan Region, Iraq
| | - Ali Hussein Mer
- Department of Nursing, Mergasour Technical Institute, Erbil Polytechnic University, Erbil, Iraq
| | | | - Fatemeh Azadegan-Dehkordi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Nader Bagheri
- Department of Microbiology and Immunology, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran.
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117
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Vergoten G, Bailly C. N-glycosylation reinforces interaction of immune checkpoint TIM-3 with a small molecule ligand. Comput Biol Chem 2023; 104:107852. [PMID: 36965447 DOI: 10.1016/j.compbiolchem.2023.107852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/27/2023]
Abstract
N-glycosylation of eukaryotic proteins plays roles in protein folding, trafficking, and signal transduction. The biological influence of the process is well understood, whereas the pharmacological impact of protein N-glycosylation is not well under discerned. The role of N-glycosylation on drug binding to protein has been rarely studied. We have modeled the influence of a bi-antennary N-glycan introduced at position N78 on the immune checkpoint TIM-3 (T cell immunoglobulin domain and mucin domain-containing molecule 3) on the interaction with a selective drug antagonist. The bulky N-glycan introduced at the consensus sequence Asn-Val-Thr has no influence on drug binding when the glycan adopts an extended conformation. But in a folded conformation, the glycan can interact directly with the triazoloquinazolinone derivative so as to further stabilize the drug-TIM-3 complex. The non-fucosylated glycan at position N78 markedly consolidates the drug interaction, via an additional H-bond interaction with the α3-mannose residue. It provides a gain of empirical potential energy of interaction (ΔE) of about 30 %. The presence of a more rigid fucosylated N-glycan is a little less favorable, with a gain of ΔE of about 20 %. The folded N-glycan appears to protect the ligand bound to the protein cavity, with the tricyclic core of the heterocyclic molecule sandwiched between two indole rings of tryptophan residues. Similar results were obtained when using a biantennary disialyl N-glycan with a bisecting GlcNAc residue and a tetra-antennary N-glycan. The molecular models illustrate the drug-stabilizing capacity of a bulky N-glycan positioned at a validated glycosylation site (N78 corresponding to N100 for the full-length protein). The modeling approach is useful to delineate further the role of the N-glycan of the immune checkpoint TIM-3 in interaction with small molecule ligands, and to guide the design of more potent compounds. The approach is transposable to other proteins to better comprehend the influence of N-glycans on drug-receptor interactions.
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Affiliation(s)
- Gérard Vergoten
- University of Lille, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, 3 rue du Professeur Laguesse, F-59006 Lille, France
| | - Christian Bailly
- University of Lille, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, 3 rue du Professeur Laguesse, F-59006 Lille, France; University of Lille, CNRS, Inserm, CHU Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, 59000 Lille, France; OncoWitan, Lille (Wasquehal), 59290, France.
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118
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Li J, Chen Y, Fan Y, Wang H, Mu W, Liu X. Radiotherapy combined with anti-CEACAM1 immunotherapy to induce survival advantage in glioma. Discov Oncol 2023; 14:32. [PMID: 36928507 PMCID: PMC10020409 DOI: 10.1007/s12672-023-00638-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 02/28/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND We aimed to observe the effect of radiotherapy on the expression of immune checkpoint molecule CEACAM1 in patients with glioma and the therapeutical effect of radiotherapy combined with blockade of CEACAM1 in mice with intracranial gliomas. METHODS The expression of CEACAM1 on T-lymphocytes in the peripheral blood of patients with glioma was detected before and after radiotherapy; GL261 murine glioma cells (stably transfected with the luciferase gene) were implanted in the right caudate nucleus of C57BL/6 mice, and tumour growth was observed using the small animal in vivo imaging system. Mice were divided into 4 groups: (1) the isotype control; (2) the radiotherapy; (3) the anti-CEACAM1 treatment; and (4) the combination therapy. The survival of mice after treatment was recorded; the expression of CEACAM1 on murine glioma cells was detected by immunohistochemistry before and after radiotherapy; flow cytometry was adopted to detect CD8+ T-cells (Treg) (CD4+FoxP3+CD25+) among mouse brain-infiltrating T-cells; serum levels of IFN-γ and IL-10 were detected by ELISA; proliferation and apoptosis were observed by immunohistochemistry; Retrospective RNA-seq data analysis was conducted in a cohort of 325 patients with glioma in the Chinese Glioma Genome Atlas (CGGA) database and 702 patients in The Cancer Genome Atlas (TCGA) database. RESULTS The expression of CEACAM1 on CD4+ and CD8+ T-cells in the peripheral blood of patients with glioma was significantly higher 1 week after radiotherapy than before radiotherapy and was further increased 1 month after radiotherapy. Combined therapy notably inhibited the growth of intracranial tumours in mice and prolonged their survival time, with some mice being capable of surviving long-term (> 90 d). Immunohistochemistry revealed that the expression of CEACAM1 in murine glioma tissues after radiotherapy was elevated in a time-dependent manner. Flow cytometry analysis showed an increase in mouse brain-infiltrating CD8+ T-lymphocytes, a decrease in Treg cells, and an increase in CD8+ T/Treg cells after treatment. ELISA demonstrated the elevated levels of IFN and decreased levels of IL-10 in the serum of mice in the combination therapy group. CONCLUSIONS Radiotherapy combined with CEACAM1 inhibitors resulted in strong and durable anti-tumour immune responses against murine glioma and long-term survival of some mice. Hence, this study is expected to offer new effective immunotherapy strategies against glioma.
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Affiliation(s)
- Jinhu Li
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, 85 Jiefang South Road, Taiyuan, Shanxi, China
| | - Yi Chen
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, 85 Jiefang South Road, Taiyuan, Shanxi, China
| | - Yimin Fan
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, 85 Jiefang South Road, Taiyuan, Shanxi, China
| | - Hongqin Wang
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, 85 Jiefang South Road, Taiyuan, Shanxi, China
| | - Wei Mu
- Department of Interventional Radiology, Shanxi Provincial People's Hospital, Taiyuan, China.
| | - Xiaodong Liu
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, 85 Jiefang South Road, Taiyuan, Shanxi, China.
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Wu J, Guo Y, Li W, Zhang Z, Li X, Zhang Q, Du Q, Niu X, Liu X, Wang G. Microglial priming induced by loss of Mef2C contributes to postoperative cognitive dysfunction in aged mice. Exp Neurol 2023; 365:114385. [PMID: 36931617 DOI: 10.1016/j.expneurol.2023.114385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/28/2023] [Accepted: 03/14/2023] [Indexed: 03/17/2023]
Abstract
Postoperative cognitive dysfunction (POCD) is a common postoperative central nervous system (CNS) complication with a higher occurrence among aged individuals than among young individuals. The aim of this study was to explore the mechanisms by which POCD preferentially affects older individuals. We found here that exploratory laparotomy induced cognitive function decline in aged mice but not in young mice and that this decline was accompanied by inflammatory activation of microglia in the hippocampus. Furthermore, microglial depletion by feeding of a standard diet containing a colony stimulating factor 1 receptor (CSF1R) inhibitor (PLX5622) markedly protected aged mice from POCD. Notably, the expression of myocyte-specific enhancer 2C (Mef2C), an immune checkpoint that limits overactivation of microglia, was downregulated in aged microglia. Knocking down Mef2C induced a microglial priming phenotype in young mice, resulting in postoperative increases in the hippocampal levels of the inflammatory factors IL1-β, IL-6 and TNF-α that could impair cognition; these findings were consistent with the observations in aged mice. In vitro, BV2 cells lacking Mef2C released higher levels of inflammatory cytokines upon stimulation with lipopolysaccharide (LPS, a bacterial toxin) than Mef2C-sufficient cells. Moreover, upregulation of Mef2C in aged mice restrained postoperative microglial activation, attenuating the neuroinflammatory response and cognitive impairment. These results reveal that during aging, loss of Mef2C leads to microglial priming, amplifying postsurgical neuroinflammation and contributing to the vulnerability of elderly patients to POCD. Thus, targeting the immune checkpoint Mef2C in microglia may be a potential strategy for the prevention and treatment of POCD in aged individuals.
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Affiliation(s)
- Jiangnan Wu
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yanjing Guo
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
| | - Wei Li
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
| | - Zihao Zhang
- Department of Gastroenterological Surgery, Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Xinlei Li
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Qidi Zhang
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Qihang Du
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xinhuan Niu
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xijiang Liu
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Gongming Wang
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
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Rohn H, Schramm S, Pansikaki K, Jansen S, Hendriks C, Platte M, Konik MJ, Dolff S, Wilde B, Kordelas L, Trilling M, Krawczyk A, Horn PA, Witzke O, Rebmann V. Peripheral HLA-G/ILT-2 immune checkpoint axis in acute and convalescent COVID-19 patients. Hum Immunol 2023:S0198-8859(23)00043-5. [PMID: 36925435 DOI: 10.1016/j.humimm.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/24/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023]
Abstract
The immunosuppressive non-classical human leukocyte antigen-G (HLA-G) can elicits pro-viral activities by down-modulating immune responses. We analysed soluble forms of HLA-G, IL-6 and IL-10 as well as on immune effector cell expression of HLA-G and its cognate ILT-2 receptor in peripheral blood obtained from hospitalised and convalescent COVID-19 patients. Compared with convalescents (N = 202), circulating soluble HLA-G levels (total and vesicular-bound molecules) were significantly increased in hospitalised patients (N = 93) irrespective of the disease severity. During COVID-19, IL-6 and IL-10 levels were also elevated. Regarding the immune checkpoint expression of HLA-G/ILT-2 on peripheral immune effector cells, the frequencies of membrane-bound HLA-G on CD3+ and CD14+ cells were almost identical in patients during and post COVID-19, while the frequency of ILT-2 receptor on CD3+ and CD14+ cells was increased during acute infection. A multi-parametric correlation analysis of soluble HLA-G forms with IL-6, IL-10, activation markers CD25 and CD154, HLA-G, and ILT-2 expression on immune cells revealed a strong positive correlation of soluble HLA-G forms with membrane-bound HLA-G molecules on CD3+/CD14+ cells only in convalescents. During COVID-19, only vesicular-bound HLA-G were positively correlated with the activation marker CD25 on T cells. Thus, our data suggest that the elevated levels of soluble HLA-G in COVID-19 are due to increased expression in organ tissues other than circulating immune effector cells. The concomitant increased expression of soluble HLA-G and ILT-2 receptor frequencies supports the concept that the immune checkpoint HLA-G/ILT-2 plays a role in the immune-pathogenesis of COVID-19.
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Qiu J, Wu X, Luo Y, Yao Y, Zhang X, Pan B, Wang X, Tang N. Prognostic and immunotherapeutic predictive value of interleukin enhancer-binding factor 3 in hepatocellular carcinoma: Integrated bioinformatics and experimental analysis. Gene 2023; 856:147132. [PMID: 36566982 DOI: 10.1016/j.gene.2022.147132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/13/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Interleukin enhancer-binding factor 3 (ILF3) as an RNA-binding protein that plays a critical role in the process of cancer and antiviral responses. However, no researcher has focused on the pan-cancer analysis of ILF3, and the effect of ILF3 on tumor immunity is still largely unclear. This study synthetically analyzed the relationship between the expression of ILF3 across various cancers and prognosis, microsatellite instability (MSI), tumor mutational burden (TMB), tumor immune cell infiltration, and common immune checkpoint molecules by multiple bioinformatics databases. Experimentally, we detected the mRNA abundance of ILF3 and immune checkpoint molecules in liver hepatocellular carcinoma (LIHC) tissues. The functions of ILF3 on hepatocellular carcinoma (HCC) cells were verified by western blot assay and cytotoxicity assay. We found that ILF3 was aberrantly expressed and associated with the prognosis in several types of tumors. The ILF3 expression was significantly correlated with infiltrating levels of immune cells and immune molecules in certain cancers, particularly in LIHC. Detection of clinical liver cancer tissues confirmed the positive correlation between ILF3 and immune checkpoint molecules, including programmed cell death 1 (PD-1), programmed cell death ligand 1 (PD-L1), cytotoxic T lymphocyte-associated antigen 4 (CTLA4), lymphocyte-activation gene 3 (LAG3), and T cell immunoglobulin domain and mucin domain-3 (TIM3). Furthermore, reduced PD-L1 and increased sensitivity of HCC cells to T cells cytotoxicity were found in ILF3-knockdown cells. This work suggested ILF3 may be used as a prognostic marker for various tumors to predict the response to immunotherapy.
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Affiliation(s)
- Jiacheng Qiu
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaoxuan Wu
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yue Luo
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yuxin Yao
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaoxia Zhang
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Banglun Pan
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaoqian Wang
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China
| | - Nanhong Tang
- Department of Hepatobiliary Surgery and Fujian Institute of Hepatobiliary Surgery, Cancer Center of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Research Center for Molecular Medicine, Fujian Medical University, Fuzhou, China.
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Gohara Y, Tomonobu N, Kinoshita R, Futami J, Audebert L, Chen Y, Komalasari NLGY, Jiang F, Yoshizawa C, Murata H, Yamamoto KI, Watanabe M, Kumon H, Sakaguchi M. Novel extracellular role of REIC/Dkk-3 protein in PD-L1 regulation in cancer cells. J Mol Med (Berl) 2023; 101:431-447. [PMID: 36869893 PMCID: PMC10090029 DOI: 10.1007/s00109-023-02292-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 03/05/2023]
Abstract
The adenovirus-REIC/Dkk-3 expression vector (Ad-REIC) has been the focus of numerous clinical studies due to its potential for the quenching of cancers. The cancer-suppressing mechanisms of the REIC/DKK-3 gene depend on multiple pathways that exert both direct and indirect effects on cancers. The direct effect is triggered by REIC/Dkk-3-mediated ER stress that causes cancer-selective apoptosis, and the indirect effect can be classified in two ways: (i) induction, by Ad-REIC-mis-infected cancer-associated fibroblasts, of the production of IL-7, an important activator of T cells and NK cells, and (ii) promotion, by the secretory REIC/Dkk-3 protein, of dendritic cell polarization from monocytes. These unique features allow Ad-REIC to exert effective and selective cancer-preventative effects in the manner of an anticancer vaccine. However, the question of how the REIC/Dkk-3 protein leverages anticancer immunity has remained to be answered. We herein report a novel function of the extracellular REIC/Dkk-3-namely, regulation of an immune checkpoint via modulation of PD-L1 on the cancer-cell surface. First, we identified novel interactions of REIC/Dkk-3 with the membrane proteins C5aR, CXCR2, CXCR6, and CMTM6. These proteins all functioned to stabilize PD-L1 on the cell surface. Due to the dominant expression of CMTM6 among the proteins in cancer cells, we next focused on CMTM6 and observed that REIC/Dkk-3 competed with CMTM6 for PD-L1, thereby liberating PD-L1 from its complexation with CMTM6. The released PD-L1 immediately underwent endocytosis-mediated degradation. These results will enhance our understanding of not only the physiological nature of the extracellular REIC/Dkk-3 protein but also the Ad-REIC-mediated anticancer effects. KEY MESSAGES: • REIC/Dkk-3 protein effectively suppresses breast cancer progression through an acceleration of PD-L1 degradation. • PD-L1 stability on the cancer cell membrane is kept high by binding with mainly CMTM6. • Competitive binding of REIC/Dkk-3 protein with CMTM6 liberates PD-L1, leading to PD-L1 degradation.
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Affiliation(s)
- Yuma Gohara
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Nahoko Tomonobu
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Rie Kinoshita
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Junichiro Futami
- Department of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, Japan
| | - Léna Audebert
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan.,Sorbonne Université, Collège Doctoral, Paris, 75005, France
| | - Youyi Chen
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan.,Department of General Surgery & Bio-Bank of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Ni Luh Gede Yoni Komalasari
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan.,Faculty of Medicine, Udayana University, Denpasar, Bali, Indonesia
| | - Fan Jiang
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Chikako Yoshizawa
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Hitoshi Murata
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Ken-Ichi Yamamoto
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan
| | - Masami Watanabe
- Department of Urology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Hiromi Kumon
- Innovation Center Okayama for Nanobio-Targeted Therapy, Okayama University, Okayama, Japan
| | - Masakiyo Sakaguchi
- Department of Cell Biology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-Cho, Kita-Ku, Okayama-Shi, Okayama, 700-8558, Japan.
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Zhang Y, Liu C, Wu C, Song L. Natural peptides for immunological regulation in cancer therapy: Mechanism, facts and perspectives. Biomed Pharmacother 2023; 159:114257. [PMID: 36689836 DOI: 10.1016/j.biopha.2023.114257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/02/2023] [Accepted: 01/14/2023] [Indexed: 01/22/2023] Open
Abstract
Cancer incidence and mortality rates are increasing annually. Treatment with surgery, chemotherapy and radiation therapy (RT) is unsatisfactory because many patients have advanced disease at the initial diagnosis. However, the emergence of immunotherapy promises to be an effective strategy to improve the outcome of advanced tumors. Immune checkpoint antibodies, which are at the forefront of immunotherapy, have had significant success but still leave some cancer patients without benefit. For more cancer patients to benefit from immunotherapy, it is necessary to find new drugs and combination therapeutic strategies to improve the outcome of advanced cancer patients and achieve long-term tumor control or even eradication. Peptides are promising choices for tumor immunotherapy drugs because they have the advantages of low production cost, high sequence selectivity, high tissue permeability, low toxicity and low immunogenicity etc., and the adjuvant matching and technologies like nanotechnology can further optimize the effects of peptides. In this review, we present the current status and mechanisms of research on peptides targeting multiple immune cells (T cells, natural killer (NK) cells, dendritic cells (DCs), tumor-associated macrophages (TAMs), regulatory T cells (Tregs)) and immune checkpoints in tumor immunotherapy; and we summarize the current status of research on peptide-based tumor immunotherapy in combination with other therapies including RT, chemotherapy, surgery, targeted therapy, cytokine therapy, adoptive cell therapy (ACT) and cancer vaccines. Finally, we discuss the current status of peptide applications in mRNA vaccine delivery.
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Affiliation(s)
- Yunchao Zhang
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Chenxin Liu
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Chunjie Wu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Linjiang Song
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China.
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Naggan L, Robinson E, Dinur E, Goldenberg H, Kozela E, Yirmiya R. Suicide in bipolar disorder patients is associated with hippocampal microglia activation and reduction of lymphocytes-activation gene 3 (LAG3) microglial checkpoint expression. Brain Behav Immun 2023; 110:185-194. [PMID: 36863492 DOI: 10.1016/j.bbi.2023.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 02/20/2023] [Accepted: 02/25/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Bipolar disorder (BD) is associated with marked functional impairments along with increased rate of suicide. Although there is ample evidence for the involvement of inflammatory processes and microglia activation in the pathophysiology of BD, the mechanisms that regulate these cells in BD patients, and particularly the role of microglia checkpoints, is still unclear. METHODS Immunohistochemical analyses of hippocampal sections from post-mortem brains of 15 BD patients and 12 control subjects were used to assess microglia density, by staining the microglia-specific receptor P2RY12, and microglia activation, by staining the activation marker MHC II. Given recent findings on the involvement of LAG3, which interacts with MHC II and serves as a negative microglia checkpoint, in depression and electroconvulsive therapy, we assessed the levels of LAG3 expression and their correlations with microglia density and activation. RESULTS There were no overall differences between BD patients and controls, but BD patients who committed suicide (N = 9) displayed a significant elevation in the overall microglia density and the density of MHC II-labeled microglia (but not other MHC II-labeled cells), compared with no suicide BD patients (N = 6) and controls. Furthermore, the percent of microglia expressing LAG3 was significantly reduced only in suicidal BD patients, with significant negative correlations between microglial LAG3 expression levels and the density of microglia, in general, and activated microglia, in particular. CONCLUSION Suicidal BD patients exhibit microglia activation, which is possibly mediated by reduced LAG3 checkpoint expression, suggesting that anti-microglial therapeutics, including LAG3 modulators, may be beneficial for this subgroup of patients.
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Affiliation(s)
- Lior Naggan
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Elad Robinson
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Eyal Dinur
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Hagar Goldenberg
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ewa Kozela
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Raz Yirmiya
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel.
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Ahangar NK, Khalaj-Kondori M, Alizadeh N, Mokhtarzadeh A, Baghbanzadeh A, Shadbad MA, Dolatkhah K, Baradaran B. Silencing tumor-intrinsic HHLA2 potentiates the anti-tumoral effect of paclitaxel on MG63 cells: Another side of immune checkpoint. Gene 2023; 855:147086. [PMID: 36535461 DOI: 10.1016/j.gene.2022.147086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 11/17/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Osteosarcoma is common type of bone cancer; however, the prognosis of patients with metastatic osteosarcoma is poor. As a new inhibitory immune checkpoint molecule, HHLA2 is upregulated in osteosarcoma. Herein, we studied the significance of tumor-intrinsic HHLA2 in MG-63 growth. Also, we examined the influence of combined therapy of HHLA2 knockdown with paclitaxel on the apoptosis, cell cycle, migration, and stemness of MG-63 cells. METHODS The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay was performed to study the half-maximal inhibitory concentration (IC50) of paclitaxel and the cytotoxicity of HHLA2-small interfering RNA (siRNA) on MG-63 cells. The apoptosis and cell cycle were analyzed using flow cytometry. The wound-healing and colony formation assays were conducted to investigate the effect of paclitaxel and HHLA2 knockdown on the migration and stemness of MG-63 cells, respectively. QRT-PCR was used to determine the Bax, caspase-3, and Bcl-2 mRNA expression levels. RESULTS HHLA2 silencing has enhanced the chemosensitivity of MG-63 cells to paclitaxel. Besides, HHLA2 knockdown has increased the paclitaxel-induced cytotoxic effect on MG-63 cells. In terms of stimulating apoptosis, decreasing clonogenicity, halting the cell cycle at the sub G1 phase, and inhibiting migration, tumor-intrinsic HHLA2 silencing has increased these anti-tumor effects of paclitaxel on MG-63 cells. Besides, HHLA2 knockdown has potentiated paclitaxel-mediated Bcl-2 downregulation and paclitaxel-mediated caspase-3 and Bax upregulation in MG-63 cells. CONCLUSION Tumor-intrinsic HHLA2 knockdown increases the anti-tumoral effect of paclitaxel on MG-63 cells and enhances the chemosensitivity of MG-63 cells to paclitaxel.
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Affiliation(s)
- Noora Karim Ahangar
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 5166616471, Iran; Immunology Research Center, Tabriz University of Medical Sciences, Iran
| | - Mohammad Khalaj-Kondori
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 5166616471, Iran.
| | - Nazila Alizadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Iran
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Iran
| | - Amir Baghbanzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Iran
| | | | | | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Iran.
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Chen Z, Huang J, Kwak-Kim J, Wang W. Immune checkpoint inhibitors and reproductive failures. J Reprod Immunol 2023; 156:103799. [PMID: 36724630 DOI: 10.1016/j.jri.2023.103799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 01/02/2023] [Accepted: 01/06/2023] [Indexed: 01/15/2023]
Abstract
The human conceptus is a semi-allograft, which is antigenically foreign to the mother. Hence, the implantation process needs mechanisms to prevent allograft rejection during successful pregnancy. Immune checkpoints are a group of inhibitory pathways expressed on the surface of various immune cells in the form of ligand receptors. Immune cells possess these pathways to regulate the magnitude of immune responses and induce maternal-fetal tolerance. Briefly, 1) CTLA-4 can weaken T cell receptor (TCR) signals and inhibit T cell response; 2) The PD-1/PD-L1 pathway can reduce T cell proliferation, enhance T cell anergy and fatigue, reduce cytokine production, and increase T regulatory cell activity to complete the immunosuppression; 3) TIM3 interacts with T cells by binding Gal-9, weakening Th1 cell-mediated immunity and T cell apoptosis; 4) The LAG-3 binding to MHC II can inhibit T cell activation by interfering with the binding of CD4 to MHC II, and; 5) TIGIT can release inhibitory signals to NK and T cells through the ITIM structure of its cytoplasmic tail. Therefore, dysregulated immune checkpoints or the application of immune checkpoint inhibitors may impair human reproduction. This review intends to deliver a comprehensive overview of immune checkpoints in pregnancy, including CTLA-4, PD-1/PD-L1, TIM-3, LAG-3, TIGIT, and their inhibitors, reviewing their roles in normal and pathological human pregnancies.
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Affiliation(s)
- Zeyang Chen
- School of Medicine, Qingdao University, 38 Dengzhou Road, Qingdao 266000, PR China; Reproduction Medical Center, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai 200092, PR China
| | - Jinxia Huang
- Reproduction Medical Center, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai 200092, PR China; Department of Gynecology, Weihai Central Hospital Affiliated to Qingdao University, 3 Mishan East Road, Weihai 264400, PR China
| | - Joanne Kwak-Kim
- Reproductive Medicine and Immunology, Obstetrics and Gynecology, Clinical Sciences Department, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, IL 60061, USA; Center for Cancer Cell Biology, Immunology and Infection, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA.
| | - Wenjuan Wang
- Reproduction Medical Center, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai 200092, PR China.
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Liu X, Yang L, Tan X. PD-1/PD-L1 pathway: A double-edged sword in periodontitis. Biomed Pharmacother 2023; 159:114215. [PMID: 36630848 DOI: 10.1016/j.biopha.2023.114215] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/26/2022] [Accepted: 01/04/2023] [Indexed: 01/10/2023] Open
Abstract
Periodontitis is a disease caused by infection and immunological imbalance, which often leads to the destruction of periodontal tissue. Programmed death protein 1 (PD-1) and its ligand: programmed death ligand 1 (PD-L1) are important "immune checkpoint" proteins that have a negative regulatory effect on T cells and are targets of immunotherapy. Studies have shown that the expression of PD-1 and PD-L1 in patients with periodontitis is higher than that in healthy individuals. The keystone pathogen Porphyromonas gingivalis (P. gingivalis) is believed to be the main factor driving the upregulation of PD-1/PD-L1. High expression of PD-1/PD-L1 can inhibit the inflammatory response and reduce the destruction of periodontal supporting tissues, but conversely, it can promote the "immune escape" of P. gingivalis, thus magnifying infections. In addition, the PD-1/PD-L1 pathway is also associated with various diseases, such as cancer and Alzheimer's disease. In this review, we discuss the influence and mechanism of the PD-1/PD-L1 pathway as a "double-edged sword" affecting the occurrence and development of periodontitis, as well as its function in periodontitis-related systemic disorders. The PD-1/PD-L1 pathway could be a new avenue for periodontal and its related systemic disorders therapy.
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Affiliation(s)
- Xiaowei Liu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Operative Dentistry and Endodontics West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Lei Yang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Operative Dentistry and Endodontics West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xuelian Tan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Operative Dentistry and Endodontics West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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Xu JL. Wilms Tumor 1-Associated Protein Expression Is Linked to a T-Cell-Inflamed Phenotype in Pancreatic Cancer. Dig Dis Sci 2023; 68:831-840. [PMID: 35859262 DOI: 10.1007/s10620-022-07620-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 07/06/2022] [Indexed: 12/09/2022]
Abstract
BACKGROUND The molecular driving forces of anti-tumor immunity in pancreatic ductal adenocarcinoma (PDAC) remain unclear, which causing great difficulty in identifying an appropriate treatment strategy. AIMS This study aims to explore the associations between expression of Wilms tumor 1-associated protein (WTAP) and effector T-cell infiltration in PDAC. METHODS In this study, we explored the association between WTAP expression and infiltration level of CD8+ T cells in PDAC. 178 PDAC samples were selected from The Cancer Genome Atlas (TCGA) database. The associations between diverse immune-cell infiltration, Tumor Mutation Burden (TMB), immune checkpoints, and WTAP expression were performed via R software. Transcriptional hallmarks of anti-tumor immunity and known T-cell-inflamed signature of PDAC were both selected to explore the relevance to WTAP expression. Potential immune checkpoint blockade (ICB) response to different WTAP expression was predicted with tumor immune dysfunction and exclusion (TIDE) algorithm. RESULTS WTAP was closely linked to CD8+ T-cell infiltration (r ≥ 0.5, P value < 0.05) and did not show notable association with TMB in PDAC. WTAP positively linked to T-cell-inflamed gene expression profiles (GEP) (IL2RB, IL2RA, ZAP70, ITK, CD3E, CD38, CD27, CD276, CD8A, CMKLR1, CXCR6, HLA-DQA1, HLA-DRB1, HLA-E, NKG7, and STAT1), cytolytic activity (GZMA and PRF1), various immune checkpoints (IDO1, CD274, HAVCR2, PDCD1, CTLA4, LAG3, and PDCD1LG2) and 4-chemokine signature (CCL4, CCL5, CXCL9, and CXCL10). Besides, increased expression of WTAP was related to a higher TIDE score. CONCLUSIONS WTAP marks PDAC tumors with an active anti-tumor phenotype and might help the identification of PDAC patients who might benefit from immunotherapies.
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Affiliation(s)
- Ji-Li Xu
- The First Clinical Medical College, Zhejiang Chinese Medical University, 548 Binwen Road, Binjiang District, Hangzhou, Zhejiang, China.
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129
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Bailly C, Thuru X, Goossens L, Goossens JF. Soluble TIM-3 as a biomarker of progression and therapeutic response in cancers and other of human diseases. Biochem Pharmacol 2023; 209:115445. [PMID: 36739094 DOI: 10.1016/j.bcp.2023.115445] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023]
Abstract
Immune checkpoints inhibition is a privileged approach to combat cancers and other human diseases. The TIM-3 (T cell immunoglobulin and mucin-domain containing-3) inhibitory checkpoint expressed on different types of immune cells is actively investigated as an anticancer target, with a dozen of monoclonal antibodies in (pre)clinical development. A soluble form sTIM-3 can be found in the plasma of patients with cancer and other diseases. This active circulating protein originates from the proteolytic cleavage by two ADAM metalloproteases of the membrane receptor shared by tumor and non-tumor cells, and extracellular vesicles. In most cancers but not all, overexpression of mTIM-3 at the cell surface leads to high level of sTIM-3. Similarly, elevated levels of sTIM-3 have been reported in chronic autoimmune diseases, inflammatory gastro-intestinal diseases, certain viral and parasitic diseases, but also in cases of organ transplantation and in pregnancy-related pathologies. We have analyzed the origin of sTIM-3, its methods of dosage in blood or plasma, its presence in multiple diseases and its potential role as a biomarker to follow disease progression and/or the treatment response. In contrast to sPD-L1 generated by different classes of proteases and by alternative splicing, sTIM-3 is uniquely produced upon ADAM-dependent shedding, providing a more homogenous molecular entity and a possibly more reliable molecular marker. However, the biological functionality of sTIM-3 remains insufficiently characterized. The review shed light on pathologies associated with an altered expression of sTIM-3 in human plasma and the possibility to use sTIM-3 as a diagnostic or therapeutic marker.
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Affiliation(s)
- Christian Bailly
- OncoWitan, Consulting Scientific Office, Lille (Wasquehal) 59290, France; University of Lille, Faculty of Pharmacy, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), 3 rue du Professeur Laguesse, 59000 Lille, France; University of Lille, CNRS, Inserm, CHU Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, 59000 Lille, France.
| | - Xavier Thuru
- University of Lille, CNRS, Inserm, CHU Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, 59000 Lille, France
| | - Laurence Goossens
- University of Lille, Faculty of Pharmacy, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), 3 rue du Professeur Laguesse, 59000 Lille, France; University of Lille, CHU Lille, ULR 7365 - GRITA - Groupe de Recherche sur les formes Injectables et les Technologies Associées, 59000 Lille, France
| | - Jean-François Goossens
- University of Lille, CHU Lille, ULR 7365 - GRITA - Groupe de Recherche sur les formes Injectables et les Technologies Associées, 59000 Lille, France
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Zhao X, Wang Y, Jiang X, Mo B, Wang C, Tang M, Rong Y, Zhang G, Hu M, Cai H. Comprehensive analysis of the role of ICOS ( CD278 ) in pan-cancer prognosis and immunotherapy. BMC Cancer 2023; 23:194. [PMID: 36855091 PMCID: PMC9971684 DOI: 10.1186/s12885-023-10564-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 01/19/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND The immunological checkpoint known as Inducible T Cell Costimulatory Factor (ICOS, Cluster of Differentiation, CD278) is activated and expressed on T cells. Both somatic cells and antigen-presenting cells expressed its ligand, ICOSL (including tumor cells in the tumor microenvironment).It is important for immunosuppression. Uncertainty surrounds the function of ICOS in tumor immunity. METHODS Several bioinformatics techniques were employed by us to thoroughly examine the expression and prognostic value of ICOS in 33 cancers based on data collected from TCGA and GTEx. In addition, ICOS was explored with pathological stage, tumor-infiltrating cells, immune checkpoint genes, mismatch repair (MMR) genes, DNA methyltransferases (DNMTs), microsatellite instability (MSI),and tumor mutation burden (TMB).In addition,To ascertain the level of ICOS expression in various cells, qRT-PCR was employed. RESULTS The findings revealed that ICOS expression was up regulation in most cancer types. The high expression of ICOS in tumor samples was related to the poor prognosis of UVM and LGG; The positive prognosis was boosted by the strong expression of ICOS in OV, SARC, SKCM, THYM, UCEC, and HNSC. The result is that the expression of malignancy was revealed by the immune cells' invasion.profile of ICOS in different types of cancer. Different ways that ICOS expression is connected to immune cell infiltration account for variations in patient survival. Additionally, the TMB, MSI, MMR, and DNMT genes as well as ICOS expression are linked in many cancer types.The results of PCR showed that it is highly expressed in gastric, breast, liver and renal cell carcinoma cell lines compared with normal cells. CONCLUSION This study suggests that ICOS may be a potential tumor immunotherapy target and prognostic marker.
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Affiliation(s)
- Xiashuang Zhao
- grid.417234.70000 0004 1808 3203The First Clinical Medical College of Gansu, University of Chinese Medicine (Gansu Provincial Hospital), 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, 730000 Gansu, China ,grid.417234.70000 0004 1808 3203NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, 730000 Lanzhou, China
| | - Yongfeng Wang
- grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, 730000 Gansu, China ,grid.417234.70000 0004 1808 3203NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, 730000 Lanzhou, China ,grid.412643.60000 0004 1757 2902The First Clinical Medical College of Lanzhou University, 204 Donggang West Road, 730000 Lanzhou, Gansu China
| | - Xianglai Jiang
- grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China ,Graduate School, Ning Xia Medical University, 750004 Yinchuan, Ningxia China
| | - Bangqian Mo
- grid.417234.70000 0004 1808 3203The First Clinical Medical College of Gansu, University of Chinese Medicine (Gansu Provincial Hospital), 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China
| | - Chenyu Wang
- Graduate School, Ning Xia Medical University, 750004 Yinchuan, Ningxia China
| | - Mingzheng Tang
- grid.417234.70000 0004 1808 3203The First Clinical Medical College of Gansu, University of Chinese Medicine (Gansu Provincial Hospital), 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China
| | - Yao Rong
- grid.417234.70000 0004 1808 3203The First Clinical Medical College of Gansu, University of Chinese Medicine (Gansu Provincial Hospital), 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China
| | - Guiqian Zhang
- grid.417234.70000 0004 1808 3203The First Clinical Medical College of Gansu, University of Chinese Medicine (Gansu Provincial Hospital), 730000 Lanzhou, Gansu China ,grid.417234.70000 0004 1808 3203General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000 Lanzhou, Gansu China
| | - Ming Hu
- Gansu Provincial Hospital, 730000, Lanzhou, Gansu, China.
| | - Hui Cai
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, 730000, Lanzhou, Gansu, China. .,Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, 730000, Gansu, China. .,NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, 730000, Lanzhou, China. .,The First Clinical Medical College of Lanzhou University, 204 Donggang West Road, 730000, Lanzhou, Gansu, China. .,Gansu Provincial Hospital, 730000, Lanzhou, Gansu, China.
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131
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Zhou X, Li C, Chen T, Li W, Wang X, Yang Q. Targeting RNA N6-methyladenosine to synergize with immune checkpoint therapy. Mol Cancer 2023; 22:36. [PMID: 36810108 PMCID: PMC9942356 DOI: 10.1186/s12943-023-01746-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 02/11/2023] [Indexed: 02/24/2023] Open
Abstract
Cancer immunotherapy, especially immune checkpoint therapy, has revolutionized therapeutic options by reactivating the host immune system. However, the efficacy varies, and only a small portion of patients develop sustained antitumor responses. Hence, illustrating novel strategies that improve the clinical outcome of immune checkpoint therapy is urgently needed. N6-methyladenosine (m6A) has been proved to be an efficient and dynamic posttranscriptional modification process. It is involved in numerous RNA processing, such as splicing, trafficking, translation and degradation. Compelling evidence emphasizes the paramount role of m6A modification in the regulation of immune response. These findings may provide a foundation for the rational combination of targeting m6A modification and immune checkpoints in cancer treatment. In the present review, we summarize the current landscape of m6A modification in RNA biology, and highlight the latest findings on the complex mechanisms by which m6A modification governs immune checkpoint molecules. Furthermore, given the critical role of m6A modification in antitumor immunity, we discuss the clinical significance of targeting m6A modification to improve the efficacy of immune checkpoint therapy for cancer control.
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Affiliation(s)
- Xianyong Zhou
- Department of Breast Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Wenhua Xi Road No. 107, Jinan, Shandong China ,grid.476866.dDepartment of Breast Surgery, Binzhou People’s Hospital, Binzhou, Shandong China
| | - Chen Li
- Department of Breast Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Wenhua Xi Road No. 107, Jinan, Shandong China
| | - Tong Chen
- Department of Breast Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Wenhua Xi Road No. 107, Jinan, Shandong China
| | - Wenhao Li
- Department of Breast Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Wenhua Xi Road No. 107, Jinan, Shandong China
| | - Xiaolong Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Wenhua Xi Road No. 107, Jinan, Shandong, China.
| | - Qifeng Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Wenhua Xi Road No. 107, Jinan, Shandong, China. .,Department of Pathology Tissue Bank, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Xi Road No. 107, Shandong, Jinan, China. .,Research Institute of Breast Cancer, Shandong University, Jinan, Shandong, China.
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132
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Akamine H, Uzawa A, Kojima Y, Ozawa Y, Yasuda M, Onishi Y, Kuwabara S. Role of soluble forms of follicular helper T-cell membrane molecules in the pathogenesis of myasthenia gravis. J Neuroimmunol 2023; 375:578014. [PMID: 36621075 DOI: 10.1016/j.jneuroim.2022.578014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/07/2022] [Accepted: 12/26/2022] [Indexed: 01/03/2023]
Abstract
This study examined the role of Tfh and Treg associated molecules also known as checkpoint molecules, their ligands, and IL-21 in myasthenia gravis (MG) pathogenesis. Serum levels of sPD-1, sPD-L1, sICOS, sICOSLG, sCTLA4, and IL-21 were measured in 39 patients with acetylcholine receptor (AChR) antibody-positive generalized MG and 27 controls. sPD-1 and IL-21 levels were higher in MG patients than in controls. Additionally, sPD-1 levels correlated positively with the levels of IL-21, sICOSLG, sCTLA4, and AChR antibody titers. sICOS are correlated with MGADL and AChR antibody titers. These Tfh associated molecules could be used as biomarkers of MG disease activity.
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Liu Q, Li J, Zheng H, Yang S, Hua Y, Huang N, Kleeff J, Liao Q, Wu W. Adoptive cellular immunotherapy for solid neoplasms beyond CAR-T. Mol Cancer 2023; 22:28. [PMID: 36750830 PMCID: PMC9903509 DOI: 10.1186/s12943-023-01735-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 01/30/2023] [Indexed: 02/09/2023] Open
Abstract
In recent decades, immune checkpoint blockade and chimeric antigen receptor T cell (CAR-T) therapy are two milestone achievements in clinical immunotherapy. However, both show limited efficacies in most solid neoplasms, which necessitates the exploration of new immunotherapeutic modalities. The failure of CAR-T and immune checkpoint blockade in several solid neoplasms is attributed to multiple factors, including low antigenicity of tumor cells, low infiltration of effector T cells, and diverse mechanisms of immunosuppression in the tumor microenvironment. New adoptive cell therapies have been attempted for solid neoplasms, including TCR-T, CAR-natural killer cells (CAR-NK), and CAR-macrophages (CAR-M). Compared to CAR-T, these new adoptive cell therapies have certain advantages in treating solid neoplasms. In this review, we summarized the 40-year evolution of adoptive cell therapies, then focused on the advances of TCR-T, CAR-NK, and CAR-M in solid neoplasms and discussed their potential clinical applications.
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Affiliation(s)
- Qiaofei Liu
- grid.506261.60000 0001 0706 7839Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730 China
| | - Jiayi Li
- grid.506261.60000 0001 0706 7839Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730 China
| | - Huaijin Zheng
- grid.506261.60000 0001 0706 7839Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730 China
| | - Sen Yang
- grid.506261.60000 0001 0706 7839Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730 China
| | - Yuze Hua
- grid.506261.60000 0001 0706 7839Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730 China
| | - Nan Huang
- grid.506261.60000 0001 0706 7839Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730 China
| | - Jorg Kleeff
- grid.9018.00000 0001 0679 2801Department of Visceral, Vascular and Endocrine Surgery, Martin-Luther-University Halle-Wittenberg, 06120 Halle (Saale), Germany
| | - Quan Liao
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730, China.
| | - Wenming Wu
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730, China.
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DiFrancesco M, Hofer J, Aradhya A, Rufinus J, Stoddart J, Finocchiaro S, Mani J, Tevis S, Visconti M, Walawender G, DiFlumeri J, Fattakhova E, Patil SP. Discovery of small-molecule PD-1/PD-L1 antagonists through combined virtual screening and experimental validation. Comput Biol Chem 2023; 102:107804. [PMID: 36610303 DOI: 10.1016/j.compbiolchem.2022.107804] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 11/17/2022] [Accepted: 12/19/2022] [Indexed: 12/29/2022]
Abstract
Inhibition of the interaction between the PD-1 protein on activated lymphocytes and the PD-L1 protein on tumors represents a novel therapeutic approach for selective activation of the innate immune response against a variety of cancers. Therefore, the present study utilized a combined virtual and experimental screening approach to screen databases of both lead-like and larger molecules for identification of novel inhibitors of PD-1/PD-L1 interaction. First, high-throughput virtual screening of ∼3.7 million lead-like molecules using a rigid-receptor docking approach against both human PD-1 and PD-L1 proteins revealed possible small-molecule tractability of PD-1, but not PD-L1, binding interface. The subsequent work, therefore, involved screening of the National Cancer Institute (NCI) compound database against the PD-1 pocket. Several NCI compounds were identified with potential to bind to the PD-1 pocket and in turn inhibit the PD-1/PD-L1 interaction. The dynamic binding behavior of these molecules was further investigated using long 100 ns molecular dynamics (MD) stimulation revealing NSC631535 to be a potentially stable binder at PD-1 interface pocket. In support of these MD data, the experimental testing of NSC631535 exhibited 50% inhibition at ∼15 μM test concentration. The observed activity of this compound is promising as despite its relatively low molecular weight (415.5 g/mol) it is still capable of inhibiting the PD-1/PD-L1 interaction having a large interface area (∼1970 Å2). In summary, our integrated computational and experimental screening led to identification of a novel PD-1 antagonist that may serve as a starting point for further optimization into more potent small-molecule PD-1/PD-L1 inhibitors for cancer immunotherapy.
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Affiliation(s)
| | - Jeremy Hofer
- Department of Computer Science, Widener University, Chester, PA, USA
| | - Abhay Aradhya
- Department of Computer Science, Widener University, Chester, PA, USA
| | - Jeffrey Rufinus
- Department of Computer Science, Widener University, Chester, PA, USA
| | - John Stoddart
- Department of Computer Science, Widener University, Chester, PA, USA
| | - Stephen Finocchiaro
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Jabari Mani
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Sean Tevis
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Michael Visconti
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Griffin Walawender
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Juliette DiFlumeri
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Elena Fattakhova
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA
| | - Sachin P Patil
- NanoBio Laboratory, School of Engineering, Widener University, Chester, PA, USA.
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Bailly C. Contribution of the TIM-3/Gal-9 immune checkpoint to tropical parasitic diseases. Acta Trop 2023; 238:106792. [PMID: 36509129 DOI: 10.1016/j.actatropica.2022.106792] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
Neglected tropical parasitic diseases (NTD) are prevalent in many countries and cost-effective treatments remain urgently needed. Novel approaches have been proposed to address these diseases through an action on immune co-inhibitory checkpoints which are exploited by parasites to evade the immune system. Among these checkpoints, TIM-3 has been shown to play a key role in antiparasitic immunity via a repression and functional attenuation of CD4+ and/or CD8+ T-cells. The present review discusses the role of the TIM-3/galectin-9 checkpoint in seven major NTD: Chagas disease, leishmaniasis and malaria (3 trypanosomatid infections), schistosomiasis, toxoplasmosis, echinococcosis and filariasis (4 helminth infections). In each case, the role of the checkpoint has been analyzed and the use of anti-TIM-3 antibodies evaluated as a potential therapeutic approach. In general, the parasitic infection is coupled with an upregulation of TIM-3 expressed on T cells, but not necessarily with an exhaustion of those T cells. In several cases, the use of anti-TIM-3 antibodies represent a possible strategy to reinforce the clearance and to reduce the parasite load. Promising data have been reported in cases of leishmaniasis, malaria and schistosomiasis, whereas a similar approach proved much less efficient (if not deleterious) in cases of echinococcosis and the Chagas disease. Nevertheless, the TIM-3 checkpoint warrants further consideration as a potential immune target to combat these pathologies, using antibodies or drugs capable of reducing directly or indirectly the expression and function of the checkpoint, to restore an immune control.
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Affiliation(s)
- Christian Bailly
- OncoWitan, Scientific Consulting Office, Lille (Wasquehal), 59290, France; University of Lille, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, 3 rue du Professeur Laguesse, BP-83, F-59006, Lille, France.
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Liu B, Cheng L, Gao H, Zhang J, Dong Y, Gao W, Yuan S, Gong T, Huang W. The biology of VSIG4: Implications for the treatment of immune-mediated inflammatory diseases and cancer. Cancer Lett 2023; 553:215996. [PMID: 36343787 DOI: 10.1016/j.canlet.2022.215996] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/30/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022]
Abstract
V-set and immunoglobulin domain containing 4 (VSIG4), a type I transmembrane receptor exclusively expressed in a subset of tissue-resident macrophages, plays a pivotal role in clearing C3-opsonized pathogens and their byproducts from the circulation. VSIG4 maintains immune homeostasis by suppressing the activation of complement pathways or T cells and inducing regulatory T-cell differentiation, thereby inhibiting the development of immune-mediated inflammatory diseases but enhancing cancer progression. Consequently, VSIG4 exhibits a potential therapeutic effect for immune-mediated inflammatory diseases, but also is regarded as a novel target of immune checkpoint inhibition in cancer therapy. Recently, soluble VSIG4, the extracellular domain of VSIG4, shed from the surface of macrophages, has been found to be a biomarker to define macrophage activation-related diseases. This review mainly summarizes recent new findings of VSIG4 in macrophage phagocytosis and immune homeostasis, and discusses its potential diagnostic and therapeutic usage in infection, inflammation, and cancer.
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Affiliation(s)
- Bei Liu
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China; PLA 307 Clinical College of Anhui Medical University, Beijing, 100071, China
| | - Li Cheng
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China
| | - Honghao Gao
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China
| | - Jiale Zhang
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China
| | - Yanxin Dong
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China
| | - Wenda Gao
- Antagen Institute for Biomedical Research, Boston, MA, 02021, USA
| | - Shunzong Yuan
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China; PLA 307 Clinical College of Anhui Medical University, Beijing, 100071, China.
| | - Taiqian Gong
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China.
| | - Wenrong Huang
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China.
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137
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Li Y, Na F, Pei J. Construction and characterization of a cuproptosis- and immune checkpoint-based LncRNAs signature for breast cancer risk stratification. Breast Cancer 2023. [PMID: 36662399 DOI: 10.1007/s12282-023-01434-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 01/06/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Cuproptosis is the most recently identified form of cell death, and copper homeostasis is an important cancer therapeutic target. However, the therapeutic benefits of cuproptosis-targeted treatment in BRCA remain undetermined. This study utilized LncRNAs linked to cuproptosis genes and immune checkpoint genes to generate a BRCA predictive signature. METHODS We screened a population of LncRNAs that correlated with both cuproptosis genes and immune checkpoint genes and used ten of these LncRNAs to construct a prognosis-predictive signature. We then validated and proved the efficacy of the signature in predicting the prognosis of BRCA patients. We also unraveled the relationship between the signature and the immunological milieu, immune function, and susceptibility to chemotherapy. RESULTS The signature derived from the ten cuproptosis- and immune-related prognostic LncRNAs (CuImP-LncRNAs) can be implied to categorize patients into two groups, including the high- and low-risk groups. The value of the signature was validated, and the risk score was verified as an independent prognostic indicator. The TIME and TMB distribution patterns and chemosensitivity were depicted in the high- and low-risk groups, respectively. Patients of the high-risk group with a suppressive immunological intratumor context were more sensitive to a broad range of antitumor agents. In contrast, low-risk individuals with active immune function responded more favorably to immunotherapy. CONCLUSION Our findings provided a novel and effective model for predicting BRCA prognosis and the propensity to different treatment modalities, thus contributing to the optimization of personalized BRCA therapy in the future.
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138
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Herter JM, Kiljan M, Kunze S, Reinscheid M, Ibruli O, Cai J, Niu L, Heßelmann I, Trommer M, Herter-Sprie GS, Köhler C, Marnitz S. Influence of chemoradiation on the immune microenvironment of cervical cancer patients. Strahlenther Onkol 2023; 199:121-30. [PMID: 36251031 DOI: 10.1007/s00066-022-02007-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 09/04/2022] [Indexed: 01/29/2023]
Abstract
PURPOSE Cervical cancer remains a leading cause of cancer death in women. While immunotherapy has shown great success in combating cancer, the value of immunotherapy in cervical cancer is still only beginning to be explored. Thus, we performed a prospective analysis of patient blood and tumor samples at the beginning and end of conventional chemoradiation to assess changes in the immune cell and immunoreceptor compartments, and investigate if and when the addition of immunotherapy could be beneficial. METHODS Patients with FIGO II-III cervical cancer receiving standard chemoradiation between January 2020 and December 2021 were included. We collected tumor and blood samples from patients before and at the end of therapy and analyzed immune cell composition and immune checkpoint receptor expression on both immune and tumor cells using multicolor flow cytometry. RESULTS In all, 34 patients were eligible in the study period; 22 could be included and analyzed in this study. We found that chemoradiation significantly reduces T cell numbers in both tumors and blood, but increases macrophage and neutrophil numbers in tumors. Furthermore, we found that the percentage of immune checkpoint receptor PD‑1 and TIGIT-expressing cells in tumors was significantly reduced at the end of therapy and that CD4 and CD8 memory T cell populations were altered by chemoradiation. In addition, we observed that while PD-L1 expression intensity was upregulated by chemoradiation on blood CD8 cells, PD-L1 expression frequency and the expression intensity of antigen-presenting molecule MHC‑I were significantly reduced on tumor cells. CONCLUSION Our data demonstrate that chemoradiation significantly alters the immune cell composition of human cervical tumors and the expression of immune checkpoint receptors on both lymphocytes and tumor cells. As our results reveal that the percentage of PD‑1+ CD8 cells in the tumor as well as the frequency of PD-L1-expressing tumor cells were reduced at the end of therapy, neoadjuvant or simultaneous anti-PD‑1 or anti-PD-L1 treatment might provide better treatment efficiency in upcoming clinical studies.
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139
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Wirsching HG, Weller M. Immunotherapy for Meningiomas. Adv Exp Med Biol 2023; 1416:225-234. [PMID: 37432631 DOI: 10.1007/978-3-031-29750-2_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
Systemic treatment approaches are urgently needed for a subset of meningioma patients who do not achieve local tumor control with surgery and radiotherapy. Classical chemotherapy or anti-angiogenic agents exert only very limited activity in these tumors. Long-term survival of patients with advanced metastatic cancer following treatment with immune checkpoint inhibitors, i.e., monoclonal antibodies designed to unleash suppressed anticancer immune responses, has fostered hopes for benefit from similar approaches in patients with meningiomas that recur after standard local therapy. Moreover, a plethora of immunotherapy approaches beyond these drugs have entered clinical development or clinical practice for other cancer entities, including (i) novel immune checkpoint inhibitors that may act independently of T cell activity, (ii) cancer peptide or dendritic cell vaccines to induce anticancer immunity utilizing cancer-associated antigens, (iii) cellular therapies utilizing genetically modified peripheral blood cells to directly target cancer cells, (iv) T cell engaging recombinant proteins that link tumor antigen-binding sites to effector cell activating or recognition domains, or to immunogenic cytokines, and (v) oncolytic virotherapy utilizing attenuated viral vectors designed to specifically infect cancer cells, seeking to elicit systemic anticancer immunity. This chapter provides an overview of the principles of immunotherapy, summarizes ongoing immunotherapy clinical trials in meningioma patients, and discusses the applicability of established and emerging immunotherapy concepts to meningioma patients.
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Affiliation(s)
- Hans-Georg Wirsching
- Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Michael Weller
- Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.
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140
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Thuru X, Magnez R, Vergoten G, Bailly C. A Potential Off-Target Effect of the Wnt/β-Catenin Inhibitor KYA1797K: PD-L1 Binding and Checkpoint Inhibition. Biomed Hub 2023; 8:1-9. [PMID: 36938364 PMCID: PMC10015704 DOI: 10.1159/000528499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/15/2022] [Indexed: 01/20/2023] Open
Abstract
Introduction The quest for small molecule inhibitors of the PD-1/PD-L1 checkpoint continues in parallel to the extensive development of monoclonal antibodies directed against this immune checkpoint. Drug screening strategies are being set up to identify novel PD-L1 inhibitors. Methods A virtual screening based on molecular docking with the PD-L1 protein dimer has been performed to identify a new binder. Binding of the identified ligand to PD-L1 has been validated experimentally using a microscale thermophoresis (MST) assay. The cellular effect of the compound was evidenced using a fluorescence resonance energy transfer (FRET) assay based on activation of tyrosine phosphatase SHP-2. Results We have identified the potent Wnt/β-catenin inhibitor KYA1797K as a weak PD-L1 binder. Molecular docking suggested that the compound can bind to the interface of a PD-L1 dimer, with a geometry superimposable to that of the reference PD-L1 inhibitor BMS-202. The atypical 2-thioxo-4-thiazolidinone motif of KYA1797K, derived from the natural product rhodanine, plays a major role in the interaction with PD-L1. Binding of KYA1797K to recombinant hPD-L1 was validated experimentally, using MST. The drug was found to bind modestly but effectively to hPD-L1. The FRET assay confirmed the weak capacity of KYA1797K to interfere with the activation of SHP-2 upon its interaction with human PD-1. Discussion Collectively, the data show that KYA1797K could function as a weak modulator of the PD-1/PD-L1 checkpoint. This effect may contribute, at least partially, to the reported capacity of the β-catenin inhibitor to downregulate PD-L1 in cancer cells. The work also underlines the interest to further consider the rhodanine moiety as a chemical motif for the design of new PD-L1 binders.
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Affiliation(s)
- Xavier Thuru
- Inserm, CHU Lille, CNRS, UMR9020 − UMR1277 − Canther − Cancer Heterogeneity, Plasticity and Resistance to Therapies, University Lille, Lille, France
- *Xavier THURU,
| | - Romain Magnez
- Inserm, CHU Lille, CNRS, UMR9020 − UMR1277 − Canther − Cancer Heterogeneity, Plasticity and Resistance to Therapies, University Lille, Lille, France
| | - Gérard Vergoten
- Inserm, INFINITE − U1286, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, University of Lille, Lille, France
| | - Christian Bailly
- Inserm, CHU Lille, CNRS, UMR9020 − UMR1277 − Canther − Cancer Heterogeneity, Plasticity and Resistance to Therapies, University Lille, Lille, France
- Oncowitan, Scientific Consulting Office, Lille (Wasquehal), France
- **Christian BAILLY,
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141
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Li Q, Tang Y, Wang T, Zhu J, Zhou Y, Shi J. Novel immunogenic cell death-related risk signature to predict prognosis and immune microenvironment in lung adenocarcinoma. J Cancer Res Clin Oncol 2023; 149:307-323. [PMID: 36575346 DOI: 10.1007/s00432-022-04555-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022]
Abstract
PURPOSE Immunogenic cell death (ICD) is a type of regulated cell death (RCD) which was discovered to activate adaptive immunity. To date, the effect of ICD on lung adenocarcinoma (LUAD) remains unclear. In this research, we will study the role of ICD-related genes (ICDG) in LUAD. METHODS RNA sequencing and clinical data were gathered from TCGA-LUAD cohorts and GEO database. Using unsupervised cluster analysis, three clusters were identified with distinctive immune characteristics and significant overall survival based on 18 ICDG. Using LASSO Cox regression, three genes were identified and used to construct the prognosis signature. The association between the 3-ICDG risk signature and immune microenvironment analysis, somatic mutation, and enriched molecular pathways was investigated. RESULTS Consensus clustering separated the LUAD samples into three clusters (ICDcluster A, B and C), and ICDcluster B had the best prognosis. Different TME cell infiltration characteristics and biological behavior were found in three ICD clusters. Prognostic risk model was contrasted based on the 3 best prognostic ICD-related genes. Subsequently, vitro experiments verified the above analysis results. The high-risk group showed a poor prognosis and enrichment of cancer promoting signal pathway. Multivariate analysis indicated that this 3-ICDG prognostic model might be an accurate prediction parameter for LUAD. Moreover, conducting immune related analysis, we found that the 3-ICDG risk signature was characterized by an immune-active subtype on account of the high infiltration of immune-active cells. CONCLUSION This study expands our cognition of ICD in LUAD microenvironment, excavated prognostic biomarkers, and provided potential value for guiding immunotherapy and chemotherapy.
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Affiliation(s)
- Qixuan Li
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Medical School of Nantong University, Nantong, 226001, Jiangsu, China
| | - Yijie Tang
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Medical School of Nantong University, Nantong, 226001, Jiangsu, China
| | - Tianyi Wang
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Medical School of Nantong University, Nantong, 226001, Jiangsu, China
| | - Jiaqi Zhu
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.,Medical School of Nantong University, Nantong, 226001, Jiangsu, China
| | - Youlang Zhou
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.
| | - Jiahai Shi
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China. .,Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China. .,School of Public Health, Nantong University, Nantong, 226001, Jiangsu, China.
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142
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Ren L, Pan X, Ning L, Gong D, Huang J, Deng K, Xie L, Zhang Y. Construction of a combined hypoxia-related genes model for Hepatocellular carcinoma prognosis. Curr Comput Aided Drug Des 2022; 19:150-161. [PMID: 36567292 DOI: 10.2174/1573409919666221223123610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/03/2022] [Accepted: 11/03/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is the most common liver malignancy where tumorigenesis and metastasis are believed to be tied to the hallmarks of hypoxia and tumor microenvironment (TME). METHODS In this study, to investigate the relationships among hypoxia, TME, and HCC prognosis, we collected two independent datasets from a public database (TCGA-LIHC for identification, GSE14520 for validation) and identified the hypoxia-related differentially expressed genes (DEGs) from the TCGA data, and the univariable Cox regression and lasso regression analyses were performed to construct the prognosis model. An HCC prognosis model with 4 hypoxia-related DEGs ("NDRG1", "ENO1", "SERPINE1", "ANXA2") was constructed, and high- and low-risk groups of HCC were established by the median of the model risk score. RESULTS The survival analysis revealed significant differences between the two groups in both datasets, with the results of the AUC of the ROC curve of 1, 3, and 5 years in two datasets indicating the robustness of the prognosis model. Meanwhile, for the TCGA-LIHC data, the immune characteristics between the two groups revealed that the low-risk group presented higher levels of activated NK cells, monocytes, and M2 macrophages, and 7 immune checkpoint genes were found upregulated in the high-risk group. Additionally, the two groups have no difference in molecular characteristics (tumor mutational burden, TMB). The proportion of recurrence was higher in the high-risk group, and the correlation between the recurrence month and risk score was negative, indicating high-risk correlates with a short recurrence month. CONCLUSION In summary, this study shows the association among hypoxic signals, TME, and HCC prognosis and may help reveal potential regulatory mechanisms between hypoxia, tumorigenesis, and metastasis in HCC. The hypoxia-related model demonstrated the potential to be a predictor and drug target of prognosis.
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Affiliation(s)
- Liping Ren
- School of Healthcare Technology, Chengdu Neusoft University, Chengdu, China
| | - Xianrun Pan
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lin Ning
- School of Healthcare Technology, Chengdu Neusoft University, Chengdu, China
| | - Di Gong
- School of Basic Medical Sciences, Chengdu University, Chengdu, China
| | - Jian Huang
- School of Life Science and Technology, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - Kejun Deng
- School of Life Science and Technology, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - Lei Xie
- The Sichuan Provincial Key Laboratory for Human Disease Gene Study and Department of Laboratory Medicine, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610072, China
| | - Yang Zhang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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143
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Jin Y, Deng Z, Zhu T. Membrane protein trafficking in the anti-tumor immune response: work of endosomal-lysosomal system. Cancer Cell Int 2022; 22:413. [PMID: 36528587 PMCID: PMC9759898 DOI: 10.1186/s12935-022-02805-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 11/24/2022] [Indexed: 12/23/2022] Open
Abstract
Immunotherapy has changed the treatment landscape for multiple cancer types. In the recent decade, great progress has been made in immunotherapy, including immune checkpoint inhibitors, adoptive T-cell therapy, and cancer vaccines. ICIs work by reversing tumor-induced immunosuppression, resulting in robust activation of the immune system and lasting immune responses. Whereas, their clinical use faces several challenges, especially the low response rate in most patients. As an increasing number of studies have focused on membrane immune checkpoint protein trafficking and degradation, which interferes with response to immunotherapy, it is necessary to summarize the mechanism regulating those transmembrane domain proteins translocated into the cytoplasm and degraded via lysosome. In addition, other immune-related transmembrane domain proteins such as T-cell receptor and major histocompatibility are associated with neoantigen presentation. The endosomal-lysosomal system can also regulate TCR and neoantigen-MHC complexes on the membrane to affect the efficacy of adoptive T-cell therapy and cancer vaccines. In conclusion, we discuss the process of surface delivery, internalization, recycling, and degradation of immune checkpoint proteins, TCR, and neoantigen-MHC complexes on the endosomal-lysosomal system in biology for optimizing cancer immunotherapy.
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Affiliation(s)
- Yan Jin
- grid.412632.00000 0004 1758 2270Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060 China
| | - Zhifeng Deng
- grid.412632.00000 0004 1758 2270Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060 China
| | - Ting Zhu
- grid.412632.00000 0004 1758 2270Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060 China
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144
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Shi H, Tsang Y, Yang Y. Identification of CEACAM5 as a stemness-related inhibitory immune checkpoint in pancreatic cancer. BMC Cancer 2022; 22:1291. [PMID: 36494785 PMCID: PMC9733357 DOI: 10.1186/s12885-022-10397-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Immunotherapy has emerged as a new cancer treatment modality. However, tumour heterogeneity can diminish checkpoint blockade response and shorten patient survival. As a source of tumour heterogeneity, cancer stem cells act as an indispensable reservoir for local recurrence and distant metastasis. Thus, precision immunotherapy targeting tumour heterogeneity requires a comprehensive understanding of cancer stem cell immunology. Our study aimed to identify stemness-related inhibitory immune checkpoints and relevant regulatory pathways in pancreatic cancer. METHODS Pancreatic cancer-specific datasets in The Cancer Genome Atlas and the Cancer Therapeutics Response Portal were collected for in-depth bioinformatic analysis. Differentially expressed genes between pancreatic cancers with high and low stemness index (mRNAsi) scores were compared to screen out inhibitory immune checkpoints. Survival analysis was used to predict the prognostic value of immune checkpoint plus immune infiltrate in patients with pancreatic cancer. The expression of stemness-related immune checkpoint across immune subtypes of pancreatic cancer was detected and gene set enrichment analysis was performed to figure out the relevant regulatory signallings. RESULTS The abundance of cancer stemness predicted a low immunotherapy response to pancreatic cancer. The inhibitory immune checkpoint CEACAM5 that was enriched in pancreatic cancers with high mRNAsi scores also exhibited a strong correlation with invasive cell-enriched signature and Msi+ tumour-initiating cell-enriched signature. Levels of CEACAM5 expression were higher in the interferon-γ dominant immune subtype of pancreatic cancers that are characterized by high M1 macrophage infiltration. The patient group with high levels of CEACAM5 expression had a high risk of poor overall survival, even if accompanied by high infiltration of M1 macrophages. Furthermore, prostanoid and long-chain unsaturated fatty acid metabolic processes showed a significant association with cancer stemness and CEACAM5 expression. CONCLUSIONS Our findings suggest that CEACAM5 is a candidate stemness-related innate immune checkpoint in pancreatic cancer, and is potentially regulated by prostanoid and long-chain unsaturated fatty acid metabolic processes. Immune checkpoint blockade of CEACAM5, which synergizes with inhibition of those regulatory pathways, may improve the efficacy of precision immunotherapy targeting tumour heterogeneity caused by cancer stem cells.
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Affiliation(s)
- Haojun Shi
- grid.412277.50000 0004 1760 6738Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China ,grid.412277.50000 0004 1760 6738Shanghai Institute for Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiusing Tsang
- grid.412277.50000 0004 1760 6738Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yisi Yang
- grid.5290.e0000 0004 1936 9975Graduate School of Asia-Pacific Studies, Waseda University, Tokyo, Japan
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145
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Zuo YH, Gao WN, Xie YJ, Yang SY, Zhou JT, Liang HH, Fan XX. Tumor PKCδ instigates immune exclusion in EGFR-mutated non-small cell lung cancer. BMC Med 2022; 20:470. [PMID: 36482371 PMCID: PMC9733210 DOI: 10.1186/s12916-022-02670-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/18/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The recruitment of a sufficient number of immune cells to induce an inflamed tumor microenvironment (TME) is a prerequisite for effective response to cancer immunotherapy. The immunological phenotypes in the TME of EGFR-mutated lung cancer were characterized as non-inflamed, for which immunotherapy is largely ineffective. METHODS Global proteomic and phosphoproteomic data from lung cancer tissues were analyzed aiming to map proteins related to non-inflamed TME. The ex vivo and in vivo studies were carried out to evaluate the anti-tumor effect. Proteomics was applied to identify the potential target and signaling pathways. CRISPR-Cas9 was used to knock out target genes. The changes of immune cells were monitored by flow cytometry. The correlation between PKCδ and PD-L1 was verified by clinical samples. RESULTS We proposed that PKCδ, a gatekeeper of immune homeostasis with kinase activity, is responsible for the un-inflamed phenotype in EGFR-mutated lung tumors. It promotes tumor progression by stimulating extracellular matrix (ECM) and PD-L1 expression which leads to immune exclusion and assists cancer cell escape from T cell surveillance. Ablation of PKCδ enhances the intratumoral penetration of T cells and suppresses the growth of tumors. Furthermore, blocking PKCδ significantly sensitizes the tumor to immune checkpoint blockade (ICB) therapy (αPD-1) in vitro and in vivo model. CONCLUSIONS These findings revealed that PKCδ is a critical switch to induce inflamed tumors and consequently enhances the efficacy of ICB therapy in EGFR-mutated lung cancer. This opens a new avenue for applying immunotherapy against recalcitrant tumors.
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Affiliation(s)
- Yi-Han Zuo
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Department of Cardiology, Harvard Medical School, Boston, MA, USA
| | - Wei-Na Gao
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Ya-Jia Xie
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Sheng-Yong Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Jin-Tai Zhou
- TianJin Medical University General Hospital, Tianjin, China
| | - Hai-Hai Liang
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, China.
| | - Xing-Xing Fan
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.
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146
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Véron M, Chevret S, Grob JJ, Beylot-Barry M, Saiag P, Fléchon A, You B, Maubec E, Jouary T, Toulemonde E, Jamme P, Gambotti L, Lamrani-Ghaouti A, Dupuy A, Lebbe C, Seguin NB, Houede N, Leccia MT, Le Du F, de Pontville M, Gaudy-Marquestre C, Guillot B, Simon C, Marabelle A, Mortier L. Safety and efficacy of nivolumab, an anti-PD1 immunotherapy, in patients with advanced basal cell carcinoma, after failure or intolerance to sonic Hedgehog inhibitors: UNICANCER AcSé NIVOLUMAB trial. Eur J Cancer 2022; 177:103-111. [PMID: 36335780 DOI: 10.1016/j.ejca.2022.09.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 01/06/2023]
Abstract
BACKGROUND Basal cell carcinoma (BCC) is the most common human malignancy. In most cases, BCC has slow progression and can be definitively cured by surgery or radiotherapy. However, in rare cases, it can become locally advanced or, even more rarely, metastatic. The alternative recommended treatments are Sonic Hedgehog pathway inhibitors; however, the response is often short-lived. METHODS This was a phase 2 basket study (NCT03012581) evaluating the efficacy and safety of nivolumab in a cohort of 32 advanced BCC patients, enrolled after failure of Sonic Hedgehog inhibitors, including 29 laBCC (91%) and 3 mBCC (9%). RESULTS Compared to previously published studies, our population consisted of severe patients with a poor prognosis because they had already received multiple lines of treatment: all patients received previous Sonic Hedgehog inhibitors, 53% of patients already had chemotherapy and 75% radiotherapy. At 12 weeks, we reported 3.1% of complete responses, 18.8% of partial responses, and 43.8% of stable diseases. The best response rate to nivolumab reached 12.5% of complete responses (four patients), 18.8% of partial responses (three patients), and 43.8% of stable diseases (14 patients). Adverse events (AE) were mostly grade 2 or 3, slightly different to the adverse events observed in the treatment of metastatic melanoma (higher rate of diabetes, no thyroid dysfunction). CONCLUSION Nivolumab is a relevant therapeutic option for patients with advanced relapsing/refractory BCC.
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Affiliation(s)
- Marie Véron
- Department of Dermatology, Claude Huriez Hospital, University Hospital of Lille, France; University School of Medecine Henri Warembourg, Lille, France.
| | | | - Jean-Jacques Grob
- Department of Dermatology, University Hospital La Timone, Marseille, France; CARADERM Network
| | - Marie Beylot-Barry
- Department of Dermatology, University Hospital of Bordeaux & Translational Research on Oncodermatology and Rare Skin Diseases, Bordeaux Institute of Oncology, INSERM 1312, University of Bordeaux, France; CARADERM Network
| | - Philippe Saiag
- Department of Dermatology, Ambroise Paré Hospital, APHP, & EA4340, University of Versailles-SQY and University of Paris-Saclay, France; CARADERM Network
| | - Aude Fléchon
- Department of Oncology, Léon Bérard Center, Lyon, France
| | - Benoit You
- Medical Oncology, Institut de Cancérologie des Hospices Civils de Lyon (IC-HCL), CITOHL, EA3738 CICLY, Université Claude Bernard Lyon 1, Lyon, France; CARADERM Network
| | - Eve Maubec
- Department of Dermatology, Avicenne Hospital, University Hospital of Paris, France; CARADERM Network
| | - Thomas Jouary
- Department of Dermatology, University Hospital of Pau, France; CARADERM Network
| | - Elise Toulemonde
- Department of Dermatology, Claude Huriez Hospital, University Hospital of Lille, France; University School of Medecine Henri Warembourg, Lille, France
| | - Philippe Jamme
- Department of Dermatology, Claude Huriez Hospital, University Hospital of Lille, France; University School of Medecine Henri Warembourg, Lille, France
| | | | | | | | - Céleste Lebbe
- Université de Paris Cite, Dermato-Oncologie, AP-HP Hôpital Saint Louis, F-75010 Paris, INSERM U976, France; CARADERM Network
| | - Nicole Basset Seguin
- Université de Paris Cite, Dermato-Oncologie, AP-HP Hôpital Saint Louis, F-75010 Paris, INSERM U976, France; CARADERM Network
| | - Nadine Houede
- Department of Dermatology, University Hospital of Nimes, France
| | - Marie-Thérèse Leccia
- Department of Dermatology, University Hospital of Grenoble, France; CARADERM Network
| | - Fanny Le Du
- Department of Oncology, Eugène Maquis Center, Rennes, France
| | - Michel de Pontville
- Department of Dermatology, University Hospital of Caen, France; CARADERM Network
| | | | - Bernard Guillot
- Department of Dermatology, St Eloi Hospital, University Hospital of Montpellier, France; CARADERM Network
| | | | - Aurélien Marabelle
- Département D'Innovation Thérapeutique et D'Essais Précoces (DITEP), INSERM U1015 & CIC1428, Université Paris Saclay, Gustave Roussy, Villejuif, France
| | - Laurent Mortier
- Department of Dermatology, Claude Huriez Hospital, University Hospital of Lille, France; University School of Medecine Henri Warembourg, Lille, France; CARADERM Network; INSERM 41189 / ONCOTHAI
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147
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Li S, Wang D, Cheng J, Sun J, Kalvakolanu DV, Zhao X, Wang D, You Y, Zhang L, Yu D. A photodynamically sensitized dendritic cell vaccine that promotes the anti-tumor effects of anti-PD-L1 monoclonal antibody in a murine model of head and neck squamous cell carcinoma. J Transl Med 2022; 20:505. [PMID: 36329529 PMCID: PMC9635135 DOI: 10.1186/s12967-022-03707-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 10/07/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Immune checkpoint inhibitors are promising tools in combating several cancers, including head and neck squamous cell carcinoma (HNSCC). However, a substantial portion of HNSCC patients do not respond to PD-L1 antibody. Here we describe a photodynamic therapeutic (PDT) approach to enhance anti-tumor effects of the anti-PD-L1 antibody. METHODS Phototoxicity of PDT was confirmed using fluorescence microscopy, Cell Counting Kit-8 (CCK-8), Enzyme Linked Immunosorbent Assay (ELISA) and flow cytometry analyses. Phenotypic and functional maturation of immature DCs (imDCs) induced by PDT were measured using flow cytometry and ELISA. A mouse model was established using the HNSCC line, SCC7, and was used to evaluate therapeutic effects of PDT-DC vaccine in facilitating anti-tumor immunity of PD-L1 antibody. RESULTS Immunogenic cell death (ICD) of SCC7 cells was induced by PDT with 0.5 µM of m-THPC and the 5 J/cm2 of light dose. ICD of SCC7 cells stimulated imDCs maturation. In vivo assays suggested that PDT-DC vaccine and anti-PD-L1 mAb synergistically induced anti-tumor immunity and suppressed tumor progression. CONCLUSION PDT-DC vaccine enhances therapeutic effects of PD-L1 antibody, which might provide a novel approach for HNSCC immunotherapy.
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Affiliation(s)
- Shuang Li
- Department of Otolaryngology-Head and Neck Surgery, The Second Hospital of Jilin University, No. 218, Ziqiang Street, Nanguan District, 130041, Changchun, Jilin Province, People's Republic of China
| | - Ding Wang
- Key Laboratory of Pathobiology, Department of pathophysiology, College of Basic Medical Sciences, Ministry of Education, Jilin University, 126 Xinmin Street, 130012, Changchun, Jilin, P.R. China
| | - Jinzhang Cheng
- Department of Otolaryngology-Head and Neck Surgery, The Second Hospital of Jilin University, No. 218, Ziqiang Street, Nanguan District, 130041, Changchun, Jilin Province, People's Republic of China
| | - Jicheng Sun
- Key Laboratory of Pathobiology, Department of pathophysiology, College of Basic Medical Sciences, Ministry of Education, Jilin University, 126 Xinmin Street, 130012, Changchun, Jilin, P.R. China
| | - Dhan V Kalvakolanu
- Key Laboratory of Pathobiology, Department of pathophysiology, College of Basic Medical Sciences, Ministry of Education, Jilin University, 126 Xinmin Street, 130012, Changchun, Jilin, P.R. China.,Greenebaum NCI Comprehensive Cancer Center, Department of Microbiology and Immunology, University of Maryland School Medicine, Baltimore, MD, USA
| | - Xue Zhao
- Department of Otolaryngology-Head and Neck Surgery, The Second Hospital of Jilin University, No. 218, Ziqiang Street, Nanguan District, 130041, Changchun, Jilin Province, People's Republic of China
| | - Di Wang
- Department of Otolaryngology-Head and Neck Surgery, The Second Hospital of Jilin University, No. 218, Ziqiang Street, Nanguan District, 130041, Changchun, Jilin Province, People's Republic of China
| | - Yunhan You
- Department of Otolaryngology-Head and Neck Surgery, The Second Hospital of Jilin University, No. 218, Ziqiang Street, Nanguan District, 130041, Changchun, Jilin Province, People's Republic of China
| | - Ling Zhang
- Key Laboratory of Pathobiology, Department of pathophysiology, College of Basic Medical Sciences, Ministry of Education, Jilin University, 126 Xinmin Street, 130012, Changchun, Jilin, P.R. China.
| | - Dan Yu
- Department of Otolaryngology-Head and Neck Surgery, The Second Hospital of Jilin University, No. 218, Ziqiang Street, Nanguan District, 130041, Changchun, Jilin Province, People's Republic of China.
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148
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Li X, Gulati M, Larson AC, Solheim JC, Jain M, Kumar S, Batra SK. Immune checkpoint blockade in pancreatic cancer: Trudging through the immune desert. Semin Cancer Biol 2022; 86:14-27. [PMID: 36041672 PMCID: PMC9713834 DOI: 10.1016/j.semcancer.2022.08.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/01/2022] [Accepted: 08/23/2022] [Indexed: 11/23/2022]
Abstract
Pancreatic cancer (PC) has exceptionally high mortality due to ineffective treatment strategies. Immunotherapy, which mobilizes the immune system to fight against cancer, has been proven successful in multiple cancers; however, its application in PC has met with limited success. In this review, we articulated that the pancreatic tumor microenvironment is immuno-suppressive with extensive infiltration by M2-macrophages and myeloid-derived suppressive cells but low numbers of cytotoxic T-cells. In addition, low mutational load and poor antigen processing, presentation, and recognition contribute to the limited response to immunotherapy in PC. Immune checkpoints, the critical targets for immunotherapy, have high expression in PC and stromal cells, regulated by tumor microenvironmental milieu (cytokine and metabolites) and cell-intrinsic mechanisms (epigenetic regulation, oncogenic signaling, and post-translational modifications). Combining immunotherapy with modulators of the tumor microenvironment may facilitate the development of novel therapeutic regimens to manage PC.
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Affiliation(s)
- Xiaoqi Li
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Mansi Gulati
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Alaina C Larson
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Joyce C Solheim
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA
| | - Maneesh Jain
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA.
| | - Sushil Kumar
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA.
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA.
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149
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Wang Y, Wang Y, Ren Y, Zhang Q, Yi P, Cheng C. Metabolic modulation of immune checkpoints and novel therapeutic strategies in cancer. Semin Cancer Biol 2022; 86:542-565. [PMID: 35151845 DOI: 10.1016/j.semcancer.2022.02.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 12/08/2021] [Accepted: 02/05/2022] [Indexed: 02/07/2023]
Abstract
Cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) or programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1)-based immune checkpoint inhibitors (ICIs) have led to significant improvements in the overall survival of patients with certain cancers and are expected to benefit patients by achieving complete, long-lasting remissions and cure. However, some patients who receive ICIs either fail treatment or eventually develop immunotherapy resistance. The existence of such patients necessitates a deeper understanding of cancer progression, specifically nutrient regulation in the tumor microenvironment (TME), which includes both metabolic cross-talk between metabolites and tumor cells, and intracellular metabolism in immune and cancer cells. Here we review the features and behaviors of the TME and discuss the recently identified major immune checkpoints. We comprehensively and systematically summarize the metabolic modulation of tumor immunity and immune checkpoints in the TME, including glycolysis, amino acid metabolism, lipid metabolism, and other metabolic pathways, and further discuss the potential metabolism-based therapeutic strategies tested in preclinical and clinical settings. These findings will help to determine the existence of a link or crosstalk between tumor metabolism and immunotherapy, which will provide an important insight into cancer treatment and cancer research.
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Affiliation(s)
- Yi Wang
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China; Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, 610072, China
| | - Yuya Wang
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, China
| | - Yifei Ren
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, China; Department of Obstetrics and Gynecology, Daping Hospital, Army Medical Center, Chongqing, 400038, China
| | - Qi Zhang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Ping Yi
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, China.
| | - Chunming Cheng
- Department of Radiation Oncology, James Comprehensive Cancer Center and College of Medicine at The Ohio State University, Columbus, OH, 43221, United States.
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150
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Hu B, Shen X, Qin W, Zhang L, Zou T, Dong Q, Qin LX. A Prognostic Nomogram for Hepatocellular Carcinoma Based on Wound Healing and Immune Checkpoint Genes. J Clin Transl Hepatol 2022; 10:891-900. [PMID: 36304515 PMCID: PMC9547254 DOI: 10.14218/jcth.2021.00296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/18/2021] [Accepted: 11/16/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND AND AIMS Wound healing and tumor progression share some common biological features; however, how variations in wound healing patterns affect hepatocellular carcinoma (HCC) prognosis remains unclear. METHODS We analyzed the wound healing patterns of 594 HCC samples from The Cancer Genome Atlas (TCGA) and the International Cancer Genome Consortium (ICGC) and correlated them with immune infiltration and the expression levels of immune checkpoint genes. A risk score, which we named the "heal.immune" score, was established via stepwise Cox estimation. We constructed a nomogram based on age, sex, TNM stage, and heal.immune score and explored its predictive value for HCC prognosis. Seventy-four clinical patients were enrolled in this study, and all were from Huashan Hospital of Fudan University between 2015 and 2017 to serve as an independent validation group. RESULTS We identified two distinct wound healing patterns in HCC. The biological processes of healing cluster 1 (C1) are related to metabolism, while those of healing cluster 2 (C2) are related to the inflammatory response and immune cell accumulation. A total of 565 wound healing-related genes (based on Gene Ontology) and 25 immune checkpoint genes were considered. By analyzing differentially expressed genes and implementing a stepwise Cox estimation analysis, six genes with p values less than 0.02 in a multivariate Cox estimation were chosen as the "heal.immune" gene set (FCER1G, PLAT, ITGA5, CCNB1, CD86 and CD40). The "heal.immune" gene set, as an OS risk factor, was further validated in Fudan cohort. We constructed a nomogram to predict the 1-, 3- and 5-year overall survival (OS) in the TCGA cohort. The area under curve vales of the receiver characteristic operator curves were 0.82, 0.76 and 0.73 in the training group and 0.84, 0.76 and 0.72 in the test group. CONCLUSIONS We established a prognostic nomogram based on the heal.immune gene signature, which includes six wound healing- and immunity-related genes. This nomogram accurately predicts the OS of HCC patients.
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Affiliation(s)
| | | | | | | | | | | | - Lun-Xiu Qin
- Correspondence to: Lun-Xiu Qin, Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, Shanghai 200040, China. ORCID: https://orcid.org/0000-0003-4805-8239. Tel: +86-21-54237960, Fax: +86-21-54237960, E-mail:
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