1
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Jiang M, Li Q, Xu B. Spotlight on ideal target antigens and resistance in antibody-drug conjugates: Strategies for competitive advancement. Drug Resist Updat 2024; 75:101086. [PMID: 38677200 DOI: 10.1016/j.drup.2024.101086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 04/29/2024]
Abstract
Antibody-drug conjugates (ADCs) represent a novel and promising approach in targeted therapy, uniting the specificity of antibodies that recognize specific antigens with payloads, all connected by the stable linker. These conjugates combine the best targeted and cytotoxic therapies, offering the killing effect of precisely targeting specific antigens and the potent cell-killing power of small molecule drugs. The targeted approach minimizes the off-target toxicities associated with the payloads and broadens the therapeutic window, enhancing the efficacy and safety profile of cancer treatments. Within precision oncology, ADCs have garnered significant attention as a cutting-edge research area and have been approved to treat a range of malignant tumors. Correspondingly, the issue of resistance to ADCs has gradually come to the fore. Any dysfunction in the steps leading to the ADCs' action within tumor cells can lead to the development of resistance. A deeper understanding of resistance mechanisms may be crucial for developing novel ADCs and exploring combination therapy strategies, which could further enhance the clinical efficacy of ADCs in cancer treatment. This review outlines the brief historical development and mechanism of ADCs and discusses the impact of their key components on the activity of ADCs. Furthermore, it provides a detailed account of the application of ADCs with various target antigens in cancer therapy, the categorization of potential resistance mechanisms, and the current state of combination therapies. Looking forward, breakthroughs in overcoming technical barriers, selecting differentiated target antigens, and enhancing resistance management and combination therapy strategies will broaden the therapeutic indications for ADCs. These progresses are anticipated to advance cancer treatment and yield benefits for patients.
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Affiliation(s)
- Mingxia Jiang
- Department of Medical Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiao Li
- Department of Medical Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Binghe Xu
- Department of Medical Oncology, State Key Laboratory of Mocelular Oncology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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2
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Khadela A, Megha K, Shah VB, Soni S, Shah AC, Mistry H, Bhatt S, Merja M. Exploring the Potential of Antibody-Drug Conjugates in Targeting Non-small Cell Lung Cancer Biomarkers. Clin Med Insights Oncol 2024; 18:11795549241260534. [PMID: 38911453 PMCID: PMC11193349 DOI: 10.1177/11795549241260534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 05/17/2024] [Indexed: 06/25/2024] Open
Abstract
Antibody-drug conjugates (ADCs), combining the cytotoxicity of the drug payload with the specificity of monoclonal antibodies, are one of the rapidly evolving classes of anti-cancer agents. These agents have been successfully incorporated into the treatment paradigm of many malignancies, including non-small cell lung cancer (NSCLC). The NSCLC is the most prevalent subtype of lung cancer, having a considerable burden on the cancer-related mortality and morbidity rates globally. Several ADC molecules are currently approved by the Food and Drug Administration (FDA) to be used in patients with NSCLC. However, the successful management of NSCLC patients using these agents was met with several challenges, including the development of resistance and toxicities. These shortcomings resulted in the exploration of novel therapeutic targets that can be targeted by the ADCs. This review aims to explore the recently identified ADC targets along with their oncologic mechanisms. The ADC molecules targeting these biomarkers are further discussed along with the evidence from clinical trials.
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Affiliation(s)
- Avinash Khadela
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Kaivalya Megha
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Vraj B Shah
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Shruti Soni
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Aayushi C Shah
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Hetvi Mistry
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Shelly Bhatt
- Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, India
| | - Manthan Merja
- Department of Clinical Oncology, Starlit Cancer Centre, Kothiya Hospital, Ahmedabad, Gujarat, India
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3
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Zhao C, Zhang R, Yang H, Gao Y, Zou Y, Zhang X. Antibody-drug conjugates for non-small cell lung cancer: Advantages and challenges in clinical translation. Biochem Pharmacol 2024:116378. [PMID: 38908529 DOI: 10.1016/j.bcp.2024.116378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/03/2024] [Accepted: 06/18/2024] [Indexed: 06/24/2024]
Abstract
Lung cancer is the leading cause of cancer death, with non-small cell lung cancer (NSCLC) accounting for approximately 85 % of all lung cancers and having a poor treatment and prognosis. Conventional clinical chemotherapy and immunotherapy are challenged by systemic toxicity and drug resistance, so researchers are increasingly focusing on antibody-drug conjugate (ADC), an innovative concept combining chemotherapy and targeted therapy, in which a drug selectively binds to antigens on the surface of a tumor cell via antibodies, which internalize the ADC, and then transfers the ADC to the lysosome via the endosomes to degrade the drug and kill the tumor cell. Despite the promising nature of ADCs, no ADC product for any indication including NSCLC has been approved for marketing by the FDA to date. In this review, we summarize the main advantages of ADCs and discuss in depth the design of the most desirable ADCs for NSCLC therapy. In addition to preclinical studies, we focus on the current state of clinical research on ADCs as interventions for the treatment of NSCLC by summarizing real-time clinical trial data from ClinicalTrials.gov, and reasonably speculate on the direction of the design of future generations of ADCs.
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Affiliation(s)
- Chenyu Zhao
- Department of China Medical University - The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Ruihan Zhang
- Department of China Medical University - The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Huazhe Yang
- School of Intelligent Medicine, China Medical University, Shenyang 110122, China
| | - Yiwei Gao
- Department of China Medical University - The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Ying Zou
- Department of Rehabilitation Centre, Shengjing Hospital of China Medical University, Shenyang 110122, Liaoning, China.
| | - Xudong Zhang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang 110000, Liaoning, China.
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4
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Ma Q, Durga P, Wang FXC, Yao HP, Wang MH. Pharmaceutical innovation and advanced biotechnology in the biotech-pharmaceutical industry for antibody-drug conjugate development. Drug Discov Today 2024; 29:104057. [PMID: 38844064 DOI: 10.1016/j.drudis.2024.104057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/21/2024] [Accepted: 06/01/2024] [Indexed: 06/15/2024]
Abstract
Antibody-drug conjugates (ADCs), from prototypes in the 1980s to first- and second-generation products in the 2000s, and now in their multiformats, have progressed tremendously to meet oncological challenges. Currently, 13 ADCs have been approved for medical practice, with over 200 candidates in clinical trials. Moreover, ADCs have evolved into different formats, including bispecific ADCs, probody-drug conjugates, pH-responsive ADCs, target-degrading ADCs, and immunostimulating ADCs. Technologies from biopharmaceutical industries have a crucial role in the clinical transition of these novel biotherapeutics. In this review, we highlight several features contributing to the prosperity of bioindustrial ADC development. Various proprietary technologies from biopharmaceutical companies are discussed. Such advances in biopharmaceutical industries are the backbone for the success of ADCs in development and clinical application.
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Affiliation(s)
- Qi Ma
- Translational Research Laboratory for Urological Diseases, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, PR China; Comprehensive Genitourinary Cancer Center, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, PR China.
| | - Puro Durga
- Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center School of Pharmacy, Amarillo, TX, USA
| | | | - Hang-Ping Yao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Center for Infectious Diseases, First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China.
| | - Ming-Hai Wang
- Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center School of Pharmacy, Amarillo, TX, USA.
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5
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Miller CD, Lozada JR, Zorko NA, Elliott A, Makovec A, Radovich M, Heath EI, Agarwal N, Mckay RR, Garje R, Bastos BR, Hoon DS, Orme JJ, Sartor O, VanderWalde A, Nabhan C, Sledge G, Shenderov E, Dehm SM, Lou E, Miller JS, Hwang JH, Antonarakis ES. Pan-Cancer Interrogation of B7-H3 (CD276) as an Actionable Therapeutic Target Across Human Malignancies. CANCER RESEARCH COMMUNICATIONS 2024; 4:1369-1379. [PMID: 38709075 PMCID: PMC11138391 DOI: 10.1158/2767-9764.crc-23-0546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/10/2024] [Accepted: 05/01/2024] [Indexed: 05/07/2024]
Abstract
B7-H3 (CD276) is a transmembrane glycoprotein of the B7 immune checkpoint superfamily that has emerged as a promising therapeutic target. To better understand the applicability of B7-H3-directed therapies, we analyzed 156,791 samples comprising 50 cancer types to interrogate the clinical, genomic, transcriptomic, and immunologic correlates of B7-H3 mRNA expression. DNA (592-gene/whole-exome) and RNA (whole-transcriptome) sequencing was performed from samples submitted to Caris Life Sciences. B7-H3 high versus low expression was based on top and bottom quartiles for each cancer type. Patients' overall survival was determined from insurance claims data. Pathway analysis was performed using gene set enrichment analyses. Immune cell fractions were inferred using quanTIseq. B7-H3 is expressed across several human malignancies including prostate, pancreatic, ovarian, and lung cancers. High B7-H3 expression is associated with differences in overall survival, possibly indicating a prognostic role of B7-H3 for some cancers. When examining molecular features across all cancer types, we did not identify recurrent associations between B7-H3 expression and genetic alterations in TP53, RB1, and KRAS. However, we find consistent enrichment of epithelial-to-mesenchymal transition, Wnt, TGFβ, and Notch signaling pathways. In addition, tumors with high B7-H3 expression are associated with greater proportions of M1 macrophages, but lower fractions of CD8+ T cells. We have begun to define the genomic, transcriptomic, clinical, and immunologic features associated with B7-H3 expression in 50 cancer types. We report novel clinical and molecular features of B7-H3-high tumors which may inform how current B7-H3 therapeutics should be deployed and prioritized. SIGNIFICANCE B7-H3-targeting therapeutics have shown promising results in initial clinical trials. In this pan-cancer analysis of B7-H3 mRNA expression, we found that B7-H3 exhibits robust expression in many common cancer types. These results may inform further development of B7-H3-targeting therapeutics and may guide clinical decisions for patients with limited treatment options.
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Affiliation(s)
- Carly D. Miller
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - John R. Lozada
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Nicholas A. Zorko
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | | | - Allison Makovec
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | | | | | - Neeraj Agarwal
- Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
| | - Rana R. Mckay
- University of California San Diego, La Jolla, California
| | - Rohan Garje
- Miami Cancer Institute, Baptist Health South Florida, Miami, Florida
| | - Bruno R. Bastos
- Miami Cancer Institute, Baptist Health South Florida, Miami, Florida
| | - Dave S.B. Hoon
- Saint John's Cancer Institute PHS, Santa Monica, California
| | - Jacob J. Orme
- Mayo Clinic Comprehensive Cancer Center, Rochester, Minnesota
| | - Oliver Sartor
- Mayo Clinic Comprehensive Cancer Center, Rochester, Minnesota
| | | | | | | | - Eugene Shenderov
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Scott M. Dehm
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Departments of Laboratory Medicine and Pathology and Urology, University of Minnesota, Minneapolis, Minnesota
| | - Emil Lou
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Jeffrey S. Miller
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Justin H. Hwang
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
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6
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Li L, Nian S, Liu Q, Zhang B, Jimu W, Li C, Huang Z, Hu Q, Huang Y, Yuan Q. Fully human anti-B7-H3 recombinant antibodies inhibited tumor growth by increasing T cell infiltration. Int Immunopharmacol 2024; 132:111926. [PMID: 38552297 DOI: 10.1016/j.intimp.2024.111926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 05/01/2024]
Abstract
Mortality due to malignant tumors is one of the major factors affecting the life expectancy of the global population. Therapeutic antibodies are a cutting-edge treatment method for restricting tumor growth. B7-H3 is highly expressed in tumor tissues, but rarely in normal tissues. B7-H3 is closely associated with poor prognosis in patients with tumors. B7-H3 is an important target for antitumor therapy. In this study, the fully human anti-B7H3 single-chain antibodies (scFvs) were isolated and screened from the fully human phage immune library with B7H3 as the target. The antibodies screened from a fully human phage library had low immunogenicity and high affinity, which was more beneficial for clinical application. Leveraging B7-H3 scFvs as a foundation, we constructed two distinct recombinant antibody formats, scFv-Fc and IgG1, characterized by elevated affinity and a prolonged half-life. The results demonstrated that the recombinant antibodies had high specificity and affinity for the B7-H3 antigen and inhibited tumor cell growth by enhancing the ADCC. After treatment with anti-B7H3 recombinant antibody, the number of infiltrating T cells in the tumor increased and the secretion of IFN- γ by infiltrating T cells increased in vivo. Additionally, the use of pleural fluid samples obtained from tumor-afflicted patients revealed the ability of anti-B7-H3 recombinant antibodies to reverse CD8+ T cell exhaustion. In summary, we screened the fully human anti-B7H3 recombinant antibodies with specificity and high affinity that increase immune cell infiltration and IFN-γ secretion, thereby inhibiting tumor cell growth to a certain extent. This finding provides a theoretical basis for the development of therapeutic tumor antibodies and could help promote further development of antibody-based drugs.
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Affiliation(s)
- Lin Li
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Siji Nian
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Qin Liu
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Bo Zhang
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Wulemo Jimu
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Chengwen Li
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Zhanwen Huang
- Institute of nuclear medicine, Southwest Medical University, Department of Blood transfusion, Affiliated Hospital of Southwest Medical University, Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, 646000, China
| | - Qiaosen Hu
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China
| | - Yuanshuai Huang
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, 646000, China; Department of Blood Transfusion, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China.
| | - Qing Yuan
- The School of Basic Medical Sciences, Public Center of Experimental Technology, Southwest Medical University, Luzhou, Sichuan province 646000, China; Institute of nuclear medicine, Southwest Medical University, Department of Blood transfusion, Affiliated Hospital of Southwest Medical University, Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, 646000, China.
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7
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Isaak AJ, Clements GR, Buenaventura RGM, Merlino G, Yu Y. Development of Personalized Strategies for Precisely Battling Malignant Melanoma. Int J Mol Sci 2024; 25:5023. [PMID: 38732242 PMCID: PMC11084485 DOI: 10.3390/ijms25095023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024] Open
Abstract
Melanoma is the most severe and fatal form of skin cancer, resulting from multiple gene mutations with high intra-tumor and inter-tumor molecular heterogeneity. Treatment options for patients whose disease has progressed beyond the ability for surgical resection rely on currently accepted standard therapies, notably immune checkpoint inhibitors and targeted therapies. Acquired resistance to these therapies and treatment-associated toxicity necessitate exploring novel strategies, especially those that can be personalized for specific patients and/or populations. Here, we review the current landscape and progress of standard therapies and explore what personalized oncology techniques may entail in the scope of melanoma. Our purpose is to provide an up-to-date summary of the tools at our disposal that work to circumvent the common barriers faced when battling melanoma.
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Affiliation(s)
| | | | | | | | - Yanlin Yu
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Li J, Zhou B, Wang S, Ouyang J, Jiang X, Wang C, Zhou T, Zheng KW, Wang J, Wang J. Development of a Human B7-H3-Specific Antibody with Activity against Colorectal Cancer Cells through a Synthetic Nanobody Library. Bioengineering (Basel) 2024; 11:381. [PMID: 38671802 PMCID: PMC11047927 DOI: 10.3390/bioengineering11040381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Nanobodies have emerged as promising tools in biomedicine due to their single-chain structure and inherent stability. They generally have convex paratopes, which potentially prefer different epitope sites in an antigen compared to traditional antibodies. In this study, a synthetic phage display nanobody library was constructed and used to identify nanobodies targeting a tumor-associated antigen, the human B7-H3 protein. Combining next-generation sequencing and single-clone validation, two nanobodies were identified to specifically bind B7-H3 with medium nanomolar affinities. Further characterization revealed that these two clones targeted a different epitope compared to known B7-H3-specific antibodies, which have been explored in clinical trials. Furthermore, one of the clones, dubbed as A6, exhibited potent antibody-dependent cell-mediated cytotoxicity (ADCC) against a colorectal cancer cell line with an EC50 of 0.67 nM, upon conversion to an Fc-enhanced IgG format. These findings underscore a cost-effective strategy that bypasses the lengthy immunization process, offering potential rapid access to nanobodies targeting unexplored antigenic sites.
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Affiliation(s)
- Jingxian Li
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
| | - Bingjie Zhou
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
| | - Shiting Wang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
| | - Jiayi Ouyang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
| | - Xinyi Jiang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
| | - Chenglin Wang
- Shenzhen Qiyu Biotechnology Co., Ltd., Shenzhen 518107, China;
| | - Teng Zhou
- School of Cyberspace Security, Hainan University, Haikou 570228, China;
| | - Ke-wei Zheng
- School of Biomedical Sciences, Hunan University, Changsha 410082, China;
| | - Junqing Wang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
| | - Jiaqi Wang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China; (J.L.); (B.Z.); (S.W.); (J.O.); (X.J.); (J.W.)
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9
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Jiang Y, Liu J, Chen L, Qian Z, Zhang Y. A promising target for breast cancer: B7-H3. BMC Cancer 2024; 24:182. [PMID: 38326735 PMCID: PMC10848367 DOI: 10.1186/s12885-024-11933-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/29/2024] [Indexed: 02/09/2024] Open
Abstract
Breast cancer (BC) is the second-leading factor of mortality for women globally and is brought on by a variety of genetic and environmental causes. The conventional treatments for this disease have limitations, making it difficult to improve the lifespan of breast cancer patients. As a result, extensive research has been conducted over the past decade to find innovative solutions to these challenges. Targeting of the antitumor immune response through the immunomodulatory checkpoint protein B7 family has revolutionized cancer treatment and led to intermittent patient responses. B7-H3 has recently received attention because of its significant demodulation and its immunomodulatory effects in many cancers. Uncontrolled B7-H3 expression and a bad outlook are strongly associated, according to a substantial body of cancer research. Numerous studies have shown that BC has significant B7-H3 expression, and B7-H3 induces an immune evasion phenotype, consequently enhancing the survival, proliferation, metastasis, and drug resistance of BC cells. Thus, an innovative target for immunotherapy against BC may be the B7-H3 checkpoint.In this review, we discuss the structure and regulation of B7-H3 and its double costimulatory/coinhibitory function within the framework of cancer and normal physiology. Then we expound the malignant behavior of B7-H3 in BC and its role in the tumor microenvironment (TME) and finally focus on targeted drugs against B7-H3 that have opened new therapeutic opportunities in BC.
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Affiliation(s)
- Ying Jiang
- Department of Oncology, Wuxi Maternal and Child Health Care Hospital, Women's Hospital of Jiangnan University, Jiangnan University, Wuxi, 214002, China
| | - Jiayu Liu
- Department of Oncology, Wuxi Maternal and Child Health Care Hospital, Women's Hospital of Jiangnan University, Jiangnan University, Wuxi, 214002, China
| | - Lingyan Chen
- Wuxi Maternal and Child Health Hospital, Nanjing Medical University, Wuxi, 214000, China
| | - Zhiwen Qian
- Wuxi Maternal and Child Health Hospital, Nanjing Medical University, Wuxi, 214000, China
| | - Yan Zhang
- Department of Oncology, Wuxi Maternal and Child Health Care Hospital, Women's Hospital of Jiangnan University, Jiangnan University, Wuxi, 214002, China.
- Wuxi Maternal and Child Health Hospital, Nanjing Medical University, Wuxi, 214000, China.
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10
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Li J, Wang D, Zhang C. Establishment of a pathomic-based machine learning model to predict CD276 (B7-H3) expression in colon cancer. Front Oncol 2024; 13:1232192. [PMID: 38260829 PMCID: PMC10802857 DOI: 10.3389/fonc.2023.1232192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 11/29/2023] [Indexed: 01/24/2024] Open
Abstract
CD276 is a promising prognostic indicator and an attractive therapeutic target in various malignancies. However, current methods for CD276 detection are time-consuming and expensive, limiting extensive studies and applications of CD276. We aimed to develop a pathomic model for CD276 prediction from H&E-stained pathological images, and explore the underlying mechanism of the pathomic features by associating the pathomic model with transcription profiles. A dataset of colon adenocarcinoma (COAD) patients was retrieved from the Cancer Genome Atlas (TCGA) database. The dataset was divided into the training and validation sets according to the ratio of 8:2 by a stratified sampling method. Using the gradient boosting machine (GBM) algorithm, we established a pathomic model to predict CD276 expression in COAD. Univariate and multivariate Cox regression analyses were conducted to assess the predictive performance of the pathomic model for overall survival in COAD. Gene Set Enrichment Analysis (GESA) was performed to explore the underlying biological mechanisms of the pathomic model. The pathomic model formed by three pathomic features for CD276 prediction showed an area under the curve (AUC) of 0.833 (95%CI: 0.784-0.882) in the training set and 0.758 (95%CI: 0.637-0.878) in the validation set, respectively. The calibration curves and Hosmer-Lemeshow goodness of fit test showed that the prediction probability of high/low expression of CD276 was in favorable agreement with the real situation in both the training and validation sets (P=0.176 and 0.255, respectively). The DCA curves suggested that the pathomic model acquired high clinical benefit. All the subjects were categorized into high pathomic score (PS) (PS-H) and low PS (PS-L) groups according to the cutoff value of PS. Univariate and multivariate Cox regression analysis indicated that PS was a risk factor for overall survival in COAD. Furthermore, through GESA analysis, we found several immune and inflammatory-related pathways and genes were associated with the pathomic model. We constructed a pathomics-based machine learning model for CD276 prediction directly from H&E-stained images in COAD. Through integrated analysis of the pathomic model and transcriptomics, the interpretability of the pathomic model provide a theoretical basis for further hypothesis and experimental research.
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Affiliation(s)
- Jia Li
- Department of Gastroenterology, The 983rd Hospital of Joint Logistic Support Force of PLA, Tianjin, China
| | - Dongxu Wang
- Department of Gastroenterology, The 983rd Hospital of Joint Logistic Support Force of PLA, Tianjin, China
| | - Chenxin Zhang
- Department of General Surgery, The 983rd Hospital of Joint Logistic Support Force of PLA, Tianjin, China
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11
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Koumprentziotis IA, Theocharopoulos C, Foteinou D, Angeli E, Anastasopoulou A, Gogas H, Ziogas DC. New Emerging Targets in Cancer Immunotherapy: The Role of B7-H3. Vaccines (Basel) 2024; 12:54. [PMID: 38250867 PMCID: PMC10820813 DOI: 10.3390/vaccines12010054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024] Open
Abstract
Immune checkpoints (ICs) are molecules implicated in the fine-tuning of immune response via co-inhibitory or co-stimulatory signals, and serve to secure minimized host damage. Targeting ICs with various therapeutic modalities, including checkpoint inhibitors/monoclonal antibodies (mAbs), antibody-drug conjugates (ADCs), and CAR-T cells has produced remarkable results, especially in immunogenic tumors, setting a paradigm shift in cancer therapeutics through the incorporation of these IC-targeted treatments. However, the large proportion of subjects who experience primary or secondary resistance to available IC-targeted options necessitates further advancements that render immunotherapy beneficial for a larger patient pool with longer duration of response. B7-H3 (B7 Homolog 3 Protein, CD276) is a member of the B7 family of IC proteins that exerts pleiotropic immunomodulatory effects both in physiologic and pathologic contexts. Mounting evidence has demonstrated an aberrant expression of B7-H3 in various solid malignancies, including tumors less sensitive to current immunotherapeutic options, and has associated its expression with advanced disease, worse patient survival and impaired response to IC-based regimens. Anti-B7-H3 agents, including novel mAbs, bispecific antibodies, ADCs, CAR-T cells, and radioimmunotherapy agents, have exhibited encouraging antitumor activity in preclinical models and have recently entered clinical testing for several cancer types. In the present review, we concisely present the functional implications of B7-H3 and discuss the latest evidence regarding its prognostic significance and therapeutic potential in solid malignancies, with emphasis on anti-B7-H3 modalities that are currently evaluated in clinical trial settings. Better understanding of B7-H3 intricate interactions in the tumor microenvironment will expand the oncological utility of anti-B7-H3 agents and further shape their role in cancer therapeutics.
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12
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Zhang H, Zhu M, Zhao A, Shi T, Xi Q. B7-H3 regulates anti-tumor immunity and promotes tumor development in colorectal cancer. Biochim Biophys Acta Rev Cancer 2024; 1879:189031. [PMID: 38036107 DOI: 10.1016/j.bbcan.2023.189031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/20/2023] [Accepted: 11/23/2023] [Indexed: 12/02/2023]
Abstract
Colorectal cancer (CRC) is a common malignant tumor of the gastrointestinal tract and one of the most common causes of cancer-related deaths worldwide. Immune checkpoint inhibitors have become a milestone in many cancer treatments with significant curative effects. However, its therapeutic effect on colorectal cancer is still limited. B7-H3 is a novel immune checkpoint molecule of the B7/CD28 family and is overexpressed in a variety of solid tumors including colorectal cancer. B7-H3 was considered as a costimulatory molecule that promotes anti-tumor immunity. However, more and more studies support that B7-H3 is a co-inhibitory molecule and plays an important immunosuppressive role in colorectal cancer. Meanwhile, B7-H3 promoted metabolic reprogramming, invasion and metastasis, and chemoresistance in colorectal cancer. Therapies targeting B7-H3, including monoclonal antibodies, antibody drug conjugations, and chimeric antigen receptor T cells, have great potential to improve the prognosis of colorectal cancer patients.
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Affiliation(s)
- Huan Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Mengxin Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Anjing Zhao
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Tongguo Shi
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
| | - Qinhua Xi
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
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13
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Fabrizio FP, Muscarella LA, Rossi A. B7-H3/CD276 and small-cell lung cancer: What's new? Transl Oncol 2024; 39:101801. [PMID: 37865049 PMCID: PMC10728701 DOI: 10.1016/j.tranon.2023.101801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/25/2023] [Accepted: 10/08/2023] [Indexed: 10/23/2023] Open
Abstract
Immunotherapy revolutionized the treatment landscape of several cancers, including small-cell lung cancer (SCLC), with a huge number of practice-changing trials, and becoming a new frontier for their management. The addition of an anti-PD-L1, atezolizumab or durvalumab, to platinum/etoposide regimen became the standard of care for first-line therapy of extensive-stage (ES)-SCLC with the 12 months median survival exceeded for the first time. Nevertheless, most patients show primary or acquired resistance to anti-PD-L1 therefore new promising therapeutic immune-targets are under clinical investigation in several solid tumors. Among these, B7-H3, also known as CD276, is a member of the B7 family overexpressed in tumor tissues, including SCLC, while showing limited expression in normal tissues becoming an attractive and promising target for cancer immunotherapy. B7-H3 plays a dual role in the immune system during the T-cell activation, acting as a T-cell costimulatory/coinhibitory immunoregulatory protein, and promoting pro-tumorigenic functions such as tumor migration, invasion, metastases, resistance, and metabolism. Immunohistochemistry, flow cytometry, and immunofluorescence were the most used methods to assess B7-H3 expression levels and validate a possible relationship between B7-H3 staining patterns and clinicopathological features in lung cancer patients. To date, there are no clinically available therapeutics/drugs targeting B7-H3 in any solid tumors. The most promising preliminary clinical results have been reported by DS7300a and HS-20093, both are antibody-drug conjugates, that are under investigation in ongoing trials for the treatment of pretreated SCLC. This review will provide an overview of B7-H3 and corresponding inhibitors and the clinical development in the management of SCLC.
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Affiliation(s)
- Federico Pio Fabrizio
- Laboratory of Oncology, Fondazione IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy.
| | - Lucia Anna Muscarella
- Laboratory of Oncology, Fondazione IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Antonio Rossi
- Oncology Centre of Excellence, Therapeutic Science & Strategy Unit, IQVIA, Milan 20019, Italy
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14
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Li Y, Yan B, He S. Advances and challenges in the treatment of lung cancer. Biomed Pharmacother 2023; 169:115891. [PMID: 37979378 DOI: 10.1016/j.biopha.2023.115891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/20/2023] Open
Abstract
Lung cancer accounts for a relatively high proportion of malignant tumors. As the most prevalent type of lung cancer, non-small cell lung cancer (NSCLC) is characterized by high morbidity and mortality. Presently, the arsenal of treatment strategies encompasses surgical resection, chemotherapy, targeted therapy and radiotherapy. However, despite these options, the prognosis remains distressingly poor with a low 5-year survival rate. Therefore, it is urgent to pursue a paradigm shift in treatment methodologies. In recent years, the advent of sophisticated biotechnologies and interdisciplinary integration has provided innovative approaches for the treatment of lung cancer. This article reviews the cutting-edge developments in the nano drug delivery system, molecular targeted treatment system, photothermal treatment strategy, and immunotherapy for lung cancer. Overall, by systematically summarizing and critically analyzing the latest progress and current challenges in these treatment strategies of lung cancer, we aim to provide a theoretical basis for the development of novel drugs for lung cancer treatment, and thus improve the therapeutic outcomes for lung cancer patients.
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Affiliation(s)
- Yuting Li
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China
| | - Bingshuo Yan
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China
| | - Shiming He
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China.
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15
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Feng Y, Lee J, Yang L, Hilton MB, Morris K, Seaman S, Edupuganti VVSR, Hsu KS, Dower C, Yu G, So D, Bajgain P, Zhu Z, Dimitrov DS, Patel NL, Robinson CM, Difilippantonio S, Dyba M, Corbel A, Basuli F, Swenson RE, Kalen JD, Suthe SR, Hussain M, Italia JS, Souders CA, Gao L, Schnermann MJ, St Croix B. Engineering CD276/B7-H3-targeted antibody-drug conjugates with enhanced cancer-eradicating capability. Cell Rep 2023; 42:113503. [PMID: 38019654 PMCID: PMC10872261 DOI: 10.1016/j.celrep.2023.113503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 08/18/2023] [Accepted: 11/13/2023] [Indexed: 12/01/2023] Open
Abstract
CD276/B7-H3 represents a promising target for cancer therapy based on widespread overexpression in both cancer cells and tumor-associated stroma. In previous preclinical studies, CD276 antibody-drug conjugates (ADCs) exploiting a talirine-type pyrrolobenzodiazepine (PBD) payload showed potent activity against various solid tumors but with a narrow therapeutic index and dosing regimen higher than that tolerated in clinical trials using other antibody-talirine conjugates. Here, we describe the development of a modified talirine PBD-based fully human CD276 ADC, called m276-SL-PBD, that is cross-species (human/mouse) reactive and can eradicate large 500-1,000-mm3 triple-negative breast cancer xenografts at doses 10- to 40-fold lower than the maximum tolerated dose. By combining CD276 targeting with judicious genetic and chemical ADC engineering, improved ADC purification, and payload sensitivity screening, these studies demonstrate that the therapeutic index of ADCs can be substantially increased, providing an advanced ADC development platform for potent and selective targeting of multiple solid tumor types.
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Affiliation(s)
- Yang Feng
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Jaewon Lee
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Liping Yang
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Mary Beth Hilton
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA; Basic Research Program, Frederick National Laboratory for Cancer Research (FNLCR), Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Karen Morris
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA; Basic Research Program, Frederick National Laboratory for Cancer Research (FNLCR), Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Steven Seaman
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | | | - Kuo-Sheng Hsu
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Christopher Dower
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Guojun Yu
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Daeho So
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Pradip Bajgain
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA
| | - Zhongyu Zhu
- Protein Interactions Section, Cancer and Inflammation Program, NCI, NIH, Frederick, MD 21702, USA
| | - Dimiter S Dimitrov
- Protein Interactions Section, Cancer and Inflammation Program, NCI, NIH, Frederick, MD 21702, USA
| | - Nimit L Patel
- Small Animal Imaging Program, FNLCR, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Christina M Robinson
- Animal Research Technical Support, FNLCR, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Simone Difilippantonio
- Animal Research Technical Support, FNLCR, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Marzena Dyba
- Biophysics Resource in the Center for Structural Biology, NCI, NIH, Frederick, MD, USA
| | - Amanda Corbel
- Invention Development Program, Technology Transfer Center, NCI, Frederick, MD 21701, USA
| | - Falguni Basuli
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, NIH, Rockville, MD 20850, USA
| | - Rolf E Swenson
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, NIH, Rockville, MD 20850, USA
| | - Joseph D Kalen
- Small Animal Imaging Program, FNLCR, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | | | | | | | | | - Ling Gao
- Veterans Affairs Long Beach Healthcare System, Long Beach, CA 90822, USA
| | - Martin J Schnermann
- Organic Synthesis Section, Chemical Biology Laboratory, CCR, NCI, Frederick, MD 21702, USA
| | - Brad St Croix
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD 21702, USA.
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16
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Liu X, Deng J, Zhang R, Xing J, Wu Y, Chen W, Liang B, Xing D, Xu J, Zhang M. The clinical development of antibody-drug conjugates for non-small cell lung cancer therapy. Front Immunol 2023; 14:1335252. [PMID: 38162667 PMCID: PMC10755013 DOI: 10.3389/fimmu.2023.1335252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 11/28/2023] [Indexed: 01/03/2024] Open
Abstract
Despite the emergence of molecular targeted therapy and immune checkpoint inhibitors as standard first-line treatments for non-small cell lung cancer (NSCLC), their efficacy in some patients is limited by intrinsic and acquired resistance. Antibody-drug conjugates (ADCs), a revolutionary class of antitumor drugs, have displayed promising clinical outcomes in cancer treatment. In 2022, trastuzumab deruxtecan (Enhertu) was approved for treating HER2-mutated NSCLC, thereby underscoring the clinical value of ADCs in NSCLC treatment strategies. An increasing number of ADCs, focusing on NSCLC, are undergoing clinical trials, potentially positioning them as future treatment options. In this review, we encapsulate recent advancements in the clinical research of novel ADCs for treating NSCLC. Subsequently, we discuss the mechanisms of action, clinical efficacy, and associated limitations of these ADCs.
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Affiliation(s)
- Xinlin Liu
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Junwen Deng
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Renshuai Zhang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Jiyao Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Yudong Wu
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Wujun Chen
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Bing Liang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
- School of Life Sciences, Tsinghua University, Beijing, China
| | - Jiazhen Xu
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
| | - Miao Zhang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
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17
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Valsasina B, Orsini P, Caruso M, Albanese C, Ciavolella A, Cucchi U, Fraietta I, Melillo N, Fiorentini F, Rizzi S, Salsa M, Isacchi A, Gasparri F. Novel Thienoduocarmycin-Trastuzumab ADC Demonstrates Strong Antitumor Efficacy with Favorable Safety Profile in Preclinical Studies. Mol Cancer Ther 2023; 22:1465-1478. [PMID: 37722716 DOI: 10.1158/1535-7163.mct-23-0315] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/19/2023] [Accepted: 09/08/2023] [Indexed: 09/20/2023]
Abstract
New antibodies-drug conjugate (ADC) payloads overcoming chemoresistance and killing also poorly proliferating tumors at well-tolerated doses are much desired. Duocarmycins are a well-known class of highly potent cytotoxic agents, with DNA minor groove-binding and alkylation properties, active also in chemoresistant tumors. Although different duocarmycin derivatives have been used during the years as payloads for ADC production, unfavorable physicochemical properties impaired the production of ADCs with optimal features. Optimization of the toxin to balance reactivity and stability features and best linker selection allowed us to develop the novel duocarmycin-like payload-linker NMS-P945 suitable for conjugation to mAbs with reproducible drug-antibody ratio (DAR) >3.5. When conjugated to trastuzumab, it generated an ADC with good internalization properties, ability to induce bystander effect and immunogenic cell death. Moreover, it showed strong target-driven activity in cells and cytotoxic activity superior to trastuzumab deruxtecan tested, in parallel, in cell lines with HER2 expression. High in vivo efficacy with cured mice at well-tolerated doses in HER2-driven models was also observed. A developed pharmacokinetic/pharmacodynamic (PK/PD) model based on efficacy in mice and cynomolgus monkey PK data, predicted tumor regression in patients upon administration of 2 doses of trastuzumab-NMS-P945-ADC at 0.5 mg/kg. Thus, considering the superior physicochemical features for ADC production and preclinical results obtained with the model trastuzumab ADC, including bystander effect, immunogenic cell death and activity in chemoresistant tumors, NMS-P945 represents a highly effective, innovative payload for the creation of novel, next-generation ADCs.
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Affiliation(s)
| | - Paolo Orsini
- Nerviano Medical Sciences srl, Nerviano, Milan, Italy
| | | | | | | | - Ulisse Cucchi
- Nerviano Medical Sciences srl, Nerviano, Milan, Italy
| | - Ivan Fraietta
- Nerviano Medical Sciences srl, Nerviano, Milan, Italy
| | | | | | - Simona Rizzi
- Nerviano Medical Sciences srl, Nerviano, Milan, Italy
| | - Matteo Salsa
- Nerviano Medical Sciences srl, Nerviano, Milan, Italy
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18
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Nammor T, Frizzell J, Lavoie RR, Lucien F. The anti-B7-H3 blocking antibody MJ18 does not recognize B7-H3 in murine tumor models. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.15.567261. [PMID: 38014341 PMCID: PMC10680724 DOI: 10.1101/2023.11.15.567261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
The immune checkpoint molecule B7-H3 is regarded as one of the most promising therapeutic targets for the treatment of human cancers. B7-H3 is highly expressed in many cancers and its expression has been associated to impaired antitumor immunity and poor patient prognosis. In immunocompetent mouse tumor models, genetic deletion of B7-H3 in tumor cells enhances antitumor immune response leading to tumor shrinkage. The underlying mechanisms of B7-H3 inhibitory function remain largely uncharacterized and the identity of potential cognate(s) receptor(s) of B7-H3 is still to be defined. To better understand B7-H3 function in vivo, several studies have employed MJ18, a monoclonal antibody reported to bind murine B7-H3 and blocks its immune-inhibitory function. In this brief research report, we show that 1) MJ18 does not bind B7-H3, 2) MJ18 binds the Fc receptor FcγRIIB on surface of murine splenocytes, and 3) MJ18 does not induce tumor regression in a mouse model responsive to B7-H3 knockout. Given the high profile of B7-H3 as therapeutic target for human cancers, our work emphasizes that murine B7-H3 studies using the MJ18 antibody should be interpreted with caution. Finally, we hope that our study will motivate the scientific community to establish much-needed validated research tools to study B7-H3 biology in mouse models.
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Affiliation(s)
- Talah Nammor
- Department of Urology, Mayo Clinic, Rochester, MN, USA
| | | | | | - Fabrice Lucien
- Department of Urology, Mayo Clinic, Rochester, MN, USA
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
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19
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Mao Y, Wei D, Fu F, Wang H, Sun Z, Huang Z, Wang Y, Zhang G, Zhang X, Jiang B, Chen H. Development of a MMAE-based antibody-drug conjugate targeting B7-H3 for glioblastoma. Eur J Med Chem 2023; 257:115489. [PMID: 37235999 DOI: 10.1016/j.ejmech.2023.115489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023]
Abstract
B7-H3 (immunoregulatory protein B7-homologue 3) is overexpressed in many cancer cells with limited expression in normal tissues, considered to be a promising target for tumor therapeutics. Clinical trials of antibody-drug conjugates (ADCs) against different targets for glioblastoma have been investigated and showed potent efficacies. In this study, we developed a homogeneous ADC 401-4 with a drug-to-antibody ratio (DAR) of 4, which was prepared by conjugation of Monomethyl auristatin E (MMAE) to a humanized anti-B7-H3 mAb 401, through a divinylsulfonamide-mediated disulfide re-bridging approach. In vitro studies, 401-4 displayed specific killing against B7-H3-expressing tumors and was more effective in cells with higher levels of B7-H3 for different glioblastoma cells. 401-4 was furthered labeled with Cy5.5 to yield a fluorescent conjugate 401-4-Cy5.5. The in vivo imaging studies showed that the conjugate accumulated in tumor regions and exhibited the ability to target-specific delivery. In addition, significant antitumor activities for 401-4 was observed against U87-derived tumor xenografts in a dose dependent manner.
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Affiliation(s)
- Yurong Mao
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Ding Wei
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Fengqing Fu
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, NO.178 Ganjiang Road, Suzhou, 215000, China; State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China
| | - Huihui Wang
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Ziyu Sun
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Ziyi Huang
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, NO.178 Ganjiang Road, Suzhou, 215000, China
| | - Yan Wang
- State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China; Department of Clinical Pharmacology, The First Affiliated Hospital of Soochow University, NO.899 Pinghai Road, Suzhou, 215006, China
| | - Guangbo Zhang
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, NO.178 Ganjiang Road, Suzhou, 215000, China
| | - Xueguang Zhang
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, NO.178 Ganjiang Road, Suzhou, 215000, China; State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China; Suzhou Bright Scistar Antibody Biotech. Co., Ltd, Block 7, NO.17 ChangPing Road, Suzhou, 215152, China.
| | - Biao Jiang
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China; Shanghai Clinical Research and Trial Center, Shanghai, 201210, China.
| | - Hongli Chen
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China; Shanghai Clinical Research and Trial Center, Shanghai, 201210, China.
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20
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Brignole C, Calarco E, Bensa V, Giusto E, Perri P, Ciampi E, Corrias MV, Astigiano S, Cilli M, Loo D, Bonvini E, Pastorino F, Ponzoni M. Antitumor activity of the investigational B7-H3 antibody-drug conjugate, vobramitamab duocarmazine, in preclinical models of neuroblastoma. J Immunother Cancer 2023; 11:e007174. [PMID: 37775116 PMCID: PMC10546160 DOI: 10.1136/jitc-2023-007174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2023] [Indexed: 10/01/2023] Open
Abstract
INTRODUCTION B7-H3 is a potential target for pediatric cancers, including neuroblastoma (NB). Vobramitamab duocarmazine (also referred to as MGC018 and herein referred to as vobra duo) is an investigational duocarmycin-based antibody-drug conjugate (ADC) directed against the B7-H3 antigen. It is composed of an anti-B7-H3 humanized IgG1/kappa monoclonal antibody chemically conjugated through a cleavable valine-citrulline linker to a duocarmycin-hydroxybenzamide azaindole (vc-seco-DUBA). Vobra duo has shown preliminary clinical activity in B7-H3-expressing tumors. METHODS B7-H3 expression was evaluated by flow-cytometry in a panel of human NB cell lines. Cytotoxicity was evaluated in monolayer and in multicellular tumor spheroid (MCTS) models by the water-soluble tetrazolium salt,MTS, proliferation assay and Cell Titer Glo 3D cell viability assay, respectively. Apoptotic cell death was investigated by annexin V staining. Orthotopic, pseudometastatic, and resected mouse NB models were developed to mimic disease conditions related to primary tumor growth, metastases, and circulating tumor cells with minimal residual disease, respectively. RESULTS All human NB cell lines expressed cell surface B7-H3 in a unimodal fashion. Vobra duo was cytotoxic in a dose-dependent and time-dependent manner against all cell lines (IC50 range 5.1-53.9 ng/mL) and NB MCTS (IC50 range 17.8-364 ng/mL). Vobra duo was inactive against a murine NB cell line (NX-S2) that did not express human B7-H3; however, NX-S2 cells were killed in the presence of vobra duo when co-cultured with human B7-H3-expressing cells, demonstrating bystander activity. In orthotopic and pseudometastatic mouse models, weekly intravenous treatments with 1 mg/kg vobra duo for 3 weeks delayed tumor growth compared with animals treated with an irrelevant (anti-CD20) duocarmycin-ADC. Vobra duo treatment for 4 weeks further increased survival in both orthotopic and resected NB models. Vobra duo compared favorably to TOpotecan-TEMozolomide (TOTEM), the standard-of-care therapy for NB relapsed disease, with tumor relapse delayed or arrested by two or three repeated 4-week vobra duo treatments, respectively. Further increased survival was observed in mice treated with vobra duo in combination with TOTEM. Vobra duo treatment was not associated with body weight loss, hematological toxicity, or clinical chemistry abnormalities. CONCLUSION Vobra duo exerts relevant antitumor activity in preclinical B7-H3-expressing NB models and represents a potential candidate for clinical translation.
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Affiliation(s)
- Chiara Brignole
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Enzo Calarco
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Veronica Bensa
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Elena Giusto
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Patrizia Perri
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Eleonora Ciampi
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Maria Valeria Corrias
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | | | - Michele Cilli
- Animal Facility, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Derik Loo
- MacroGenics Inc, Rockville, Maryland, USA
| | | | - Fabio Pastorino
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Mirco Ponzoni
- Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genova, Italy
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21
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Liu W, Shen X, Ren Z, Yang X. The prospects and challenges of chimeric antigen receptor T cell therapy for head and neck squamous cell carcinoma. Int J Surg 2023; 109:2868-2871. [PMID: 37379201 PMCID: PMC10498852 DOI: 10.1097/js9.0000000000000527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 06/30/2023]
Affiliation(s)
- Wei Liu
- Department of Oral Mucosal Diseases
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Center of Head and Neck Oncology Clinical and Translational Science, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Xuemin Shen
- Department of Oral Mucosal Diseases
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Zhenhu Ren
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Center of Head and Neck Oncology Clinical and Translational Science, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- Department of Oral and Maxillofacial Surgery, Zhang Zhiyuan Academician Workstation, Hainan Western Central Hospital, Shanghai Ninth People's Hospital, Danzhou, Hainan, China
| | - Xi Yang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Center of Head and Neck Oncology Clinical and Translational Science, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- Department of Oral and Maxillofacial Surgery, Zhang Zhiyuan Academician Workstation, Hainan Western Central Hospital, Shanghai Ninth People's Hospital, Danzhou, Hainan, China
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22
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Sganga S, Riondino S, Iannantuono GM, Rosenfeld R, Roselli M, Torino F. Antibody-Drug Conjugates for the Treatment of Renal Cancer: A Scoping Review on Current Evidence and Clinical Perspectives. J Pers Med 2023; 13:1339. [PMID: 37763107 PMCID: PMC10532725 DOI: 10.3390/jpm13091339] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Antibody-drug conjugates (ADCs) are complex chemical structures composed of a monoclonal antibody, serving as a link to target cells, which is conjugated with a potent cytotoxic drug (i.e., payload) through a chemical linker. Inspired by Paul Ehrlich's concept of the ideal anticancer drug as a "magic bullet", ADCs are also highly specific anticancer agents, as they have been demonstrated to recognize, bind, and neutralize cancer cells, limiting injuries to normal cells. ADCs are among the newest pharmacologic breakthroughs in treating solid and hematologic malignancies. Indeed, in recent years, various ADCs have been approved by the Food and Drug Administration and European Medicines Agency for the treatment of several cancers, resulting in a "practice-changing" approach. However, despite these successes, no ADC is approved for treating patients affected by renal cell carcinoma (RCC). In the present paper, we thoroughly reviewed the current literature and summarized preclinical studies and clinical trials that evaluated the activity and toxicity profile of ADCs in RCC patients. Moreover, we scrutinized the potential causes that, until now, hampered the therapeutical success of ADCs in those patients. Finally, we discussed novel strategies that would improve the development of ADCs and their efficacy in treating RCC patients.
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Affiliation(s)
| | | | | | | | | | - Francesco Torino
- Medical Oncology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (S.S.); (S.R.); (G.M.I.); (R.R.); (M.R.)
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23
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Shin SH, Ju EJ, Park J, Ko EJ, Kwon MR, Lee HW, Son GW, Park YY, Kim YJ, Song SY, Lee S, Seo BS, Song JA, Lim S, Jung D, Kim S, Lee H, Park SS, Jeong SY, Choi EK. ITC-6102RO, a novel B7-H3 antibody-drug conjugate, exhibits potent therapeutic effects against B7-H3 expressing solid tumors. Cancer Cell Int 2023; 23:172. [PMID: 37596639 PMCID: PMC10439577 DOI: 10.1186/s12935-023-02991-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/12/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND The B7-H3 protein, encoded by the CD276 gene, is a member of the B7 family of proteins and a transmembrane glycoprotein. It is highly expressed in various solid tumors, such as lung and breast cancer, and has been associated with limited expression in normal tissues and poor clinical outcomes across different malignancies. Additionally, B7-H3 plays a crucial role in anticancer immune responses. Antibody-drug conjugates (ADCs) are a promising therapeutic modality, utilizing antibodies targeting tumor antigens to selectively and effectively deliver potent cytotoxic agents to tumors. METHODS In this study, we demonstrate the potential of a novel B7-H3-targeting ADC, ITC-6102RO, for B7-H3-targeted therapy. ITC-6102RO was developed and conjugated with dHBD, a soluble derivative of pyrrolobenzodiazepine (PBD), using Ortho Hydroxy-Protected Aryl Sulfate (OHPAS) linkers with high biostability. We assessed the cytotoxicity and internalization of ITC-6102RO in B7-H3 overexpressing cell lines in vitro and evaluated its anticancer efficacy and mode of action in B7-H3 overexpressing cell-derived and patient-derived xenograft models in vivo. RESULTS ITC-6102RO inhibited cell viability in B7-H3-positive lung and breast cancer cell lines, inducing cell cycle arrest in the S phase, DNA damage, and apoptosis in vitro. The binding activity and selectivity of ITC-6102RO with B7-H3 were comparable to those of the unconjugated anti-B7-H3 antibody. Furthermore, ITC-6102RO proved effective in B7-H3-positive JIMT-1 subcutaneously xenografted mice and exhibited a potent antitumor effect on B7-H3-positive lung cancer patient-derived xenograft (PDX) models. The mode of action, including S phase arrest and DNA damage induced by dHBD, was confirmed in JIMT-1 tumor tissues. CONCLUSIONS Our preclinical data indicate that ITC-6102RO is a promising therapeutic agent for B7-H3-targeted therapy. Moreover, we anticipate that OHPAS linkers will serve as a valuable platform for developing novel ADCs targeting a wide range of targets.
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Affiliation(s)
- Seol Hwa Shin
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Eun Jin Ju
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Jin Park
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Eun Jung Ko
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Mi Ri Kwon
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Hye Won Lee
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Ga Won Son
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea
| | - Yun-Yong Park
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Yeon Joo Kim
- Department of Radiation Oncology, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Si Yeol Song
- Department of Radiation Oncology, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Sangkwang Lee
- IntoCell Inc, 101, Sinildong-ro, Daedeok-gu, Daejeon, 34324, Republic of Korea
| | - Beom Seok Seo
- IntoCell Inc, 101, Sinildong-ro, Daedeok-gu, Daejeon, 34324, Republic of Korea
| | - Jin-A Song
- IntoCell Inc, 101, Sinildong-ro, Daedeok-gu, Daejeon, 34324, Republic of Korea
| | - Sangbin Lim
- IntoCell Inc, 101, Sinildong-ro, Daedeok-gu, Daejeon, 34324, Republic of Korea
| | - Doohwan Jung
- IntoCell Inc, 101, Sinildong-ro, Daedeok-gu, Daejeon, 34324, Republic of Korea
| | - Sunyoung Kim
- IntoCell Inc, 101, Sinildong-ro, Daedeok-gu, Daejeon, 34324, Republic of Korea
| | - Hyangsook Lee
- Department of Radiation Oncology, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Seok Soon Park
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea.
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea.
| | - Seong-Yun Jeong
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea.
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea.
| | - Eun Kyung Choi
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
- Asan Institute for Life Sciences, ASAN Medical Center, Seoul, 05505, Republic of Korea.
- Asan Preclinical Evaluation Center for Cancer Therapeutics, ASAN Medical Center, Seoul, 05505, Republic of Korea.
- Department of Radiation Oncology, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
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24
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Hidalgo L, Somovilla-Crespo B, Garcia-Rodriguez P, Morales-Molina A, Rodriguez-Milla MA, Garcia-Castro J. Switchable CAR T cell strategy against osteosarcoma. Cancer Immunol Immunother 2023; 72:2623-2633. [PMID: 37062034 PMCID: PMC10361906 DOI: 10.1007/s00262-023-03437-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 03/22/2023] [Indexed: 04/17/2023]
Abstract
Immunotherapy with chimeric antigen receptor T (CAR T) cells has changed the treatment of hematological malignances, but they are still a challenge for solid tumors, including pediatric sarcomas. Here, we report a switchable CAR T cell strategy based on anti-FITC CAR T cells and a switch molecule conjugated with FITC for targeting osteosarcoma (OS) tumors. As a potential target, we analyzed the expression of B7-H3, an immune checkpoint inhibitor, in OS cell lines. In addition, we evaluate the capacity of an anti-B7-H3 monoclonal antibody conjugated with FITC (anti-B7-H3-FITC mAb) to control the antitumor activity of anti-FITC CAR T cells. The effector functions of anti-FITC CAR T cells against OS, measured in vitro by tumor cell killing activity and cytokine production, are dependent on the presence of the anti-B7-H3-FITC mAb switch. Moreover, OS cells stimulate anti-FITC CAR T cells migration. In vivo, anti-B7-H3 mAb penetrates in the tumor and binds 143B OS tumor cells. Furthermore, anti-FITC CAR T cells reach tumor region and exert antitumor effect in an OS NSG mouse model only in the presence of the switch molecule. We demonstrate that anti-B7-H3-FITC mAb redirects the cytotoxic activity of anti-FITC CAR T cells against OS tumors suggesting that switchable CAR T cell platforms might be a plausible strategy against OS.
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Affiliation(s)
- Laura Hidalgo
- Cellular Biotechnology Unit, Instituto de Investigación de Enfermedades Raras, Instituto de Salud Carlos III (ISCIII), 28220, Madrid, Spain.
| | - Beatriz Somovilla-Crespo
- Cellular Biotechnology Unit, Instituto de Investigación de Enfermedades Raras, Instituto de Salud Carlos III (ISCIII), 28220, Madrid, Spain
| | - Patricia Garcia-Rodriguez
- Cellular Biotechnology Unit, Instituto de Investigación de Enfermedades Raras, Instituto de Salud Carlos III (ISCIII), 28220, Madrid, Spain
- Universidad Nacional de Educación a Distancia (UNED), 28015, Madrid, Spain
| | - Alvaro Morales-Molina
- Cellular Biotechnology Unit, Instituto de Investigación de Enfermedades Raras, Instituto de Salud Carlos III (ISCIII), 28220, Madrid, Spain
| | - Miguel Angel Rodriguez-Milla
- Cellular Biotechnology Unit, Instituto de Investigación de Enfermedades Raras, Instituto de Salud Carlos III (ISCIII), 28220, Madrid, Spain
| | - Javier Garcia-Castro
- Cellular Biotechnology Unit, Instituto de Investigación de Enfermedades Raras, Instituto de Salud Carlos III (ISCIII), 28220, Madrid, Spain.
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25
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Yang T, Li W, Huang T, Zhou J. Antibody-Drug Conjugates for Breast Cancer Treatment: Emerging Agents, Targets and Future Directions. Int J Mol Sci 2023; 24:11903. [PMID: 37569276 PMCID: PMC10418918 DOI: 10.3390/ijms241511903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/21/2023] [Accepted: 07/23/2023] [Indexed: 08/13/2023] Open
Abstract
To achieve the scheme of "magic bullets" in antitumor therapy, antibody-drug conjugates (ADCs) were developed. ADCs consist of antibodies targeting tumor-specific antigens, chemical linkers, and cytotoxic payloads that powerfully kill cancer cells. With the approval of ado-trastuzumab emtansine (T-DM1) and fam-trastuzumab deruxtecan (T-DXd), the therapeutic potentials of ADCs in breast cancer have come into the spotlight. Nearly 30 ADCs for breast cancer are under exploration to move targeted therapy forward. In this review, we summarize the presenting and emerging agents and targets of ADCs. The ADC structure and development history are also concluded. Moreover, the challenges faced and prospected future directions in this field are reviewed, which give insights into novel treatments with ADCs for breast cancer.
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Affiliation(s)
| | | | - Tao Huang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jun Zhou
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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26
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Kähkönen TE, Halleen JM, MacRitchie G, Andersson RM, Bernoulli J. Insights into immuno-oncology drug development landscape with focus on bone metastasis. Front Immunol 2023; 14:1121878. [PMID: 37475868 PMCID: PMC10355372 DOI: 10.3389/fimmu.2023.1121878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 06/19/2023] [Indexed: 07/22/2023] Open
Abstract
Bone is among the main sites of metastasis in breast, prostate and other major cancers. Bone metastases remain incurable causing high mortality, severe skeletal-related effects and decreased quality of life. Despite the success of immunotherapies in oncology, no immunotherapies are approved for bone metastasis and no clear benefit has been observed with approved immunotherapies in treatment of bone metastatic disease. Therefore, it is crucial to consider unique features of tumor microenvironment in bone metastasis when developing novel therapies. The vicious cycle of bone metastasis, referring to crosstalk between tumor and bone cells that enables the tumor cells to grow in the bone microenvironment, is a well-established concept. Very recently, a novel osteoimmuno-oncology (OIO) concept was introduced to the scientific community. OIO emphasizes the significance of interactions between tumor, immune and bone cells in promoting tumor growth in bone metastasis, and it can be used to reveal the most promising targets for bone metastasis. In order to provide an insight into the current immuno-oncology drug development landscape, we used 1stOncology database, a cancer drug development resource to identify novel immunotherapies in preclinical or clinical development for breast and prostate cancer bone metastasis. Based on the database search, 24 immunotherapies were identified in preclinical or clinical development that included evaluation of effects on bone metastasis. This review provides an insight to novel immuno-oncology drug development in the context of bone metastasis. Bone metastases can be approached using different modalities, and tumor microenvironment in bone provides many potential targets for bone metastasis. Noting current increasing interest in the field of OIO, more therapeutic opportunities that primarily target bone metastasis are expected in the future.
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Affiliation(s)
| | | | | | | | - Jenni Bernoulli
- University of Turku, Institute of Biomedicine, Turku, Finland
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27
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Liu J, Kadier A, Guo Y, Zhang W, Chen H, Zhang Z, Guo C, Zhang Y, Bao M, Geng J, Zhang J, Mao S, Yao X. Effect of tumor CD276 expression on infiltrating immune cells and clinicopathological features of prostate cancer. Prostate Cancer Prostatic Dis 2023:10.1038/s41391-023-00690-2. [PMID: 37380802 DOI: 10.1038/s41391-023-00690-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 06/09/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND Advanced prostate cancer (PCa) is often resistant to immunotherapy. In this study, we examined the role of CD276 in mediating immunotherapeutic effects through changes in immune cell infiltration. METHODS Using transcriptomic and proteomic analyses, CD276 was identified as a potential target for immunotherapy. Subsequent in vivo and in vitro experiments confirmed its role as a potential mediator of immunotherapeutic effects. RESULTS Multi-omic analysis suggested that CD276 was identified as a key molecule regulating the immune microenvironment (IM). In vivo experiments revealed that CD276 knockdown was found to enhance CD8+ T cell infiltration into the IM. Immunohistochemical analysis of PCa samples further confirmed the same findings. CONCLUSION CD276 was found to inhibit the enrichment of CD8+ T cells in PCa. Thus, CD276 inhibitors may be potential targets for immunotherapy.
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Affiliation(s)
- Ji Liu
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Aimaitiaji Kadier
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Yadong Guo
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Wentao Zhang
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Haotian Chen
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Zhijin Zhang
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Changcheng Guo
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Yue Zhang
- Department of Central Laboratory, Clinical Medicine Scientific and Technical Innovation Park, Shanghai Tenth People's Hospital, Shanghai, 200435, China
| | - Meiyu Bao
- Department of Central Laboratory, Clinical Medicine Scientific and Technical Innovation Park, Shanghai Tenth People's Hospital, Shanghai, 200435, China
| | - Jiang Geng
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China
| | - Junfeng Zhang
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China.
| | - Shiyu Mao
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China.
| | - Xudong Yao
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, China.
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28
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Vallejo FA, Sigdel G, Veliz EA, Leblanc RM, Vanni S, Graham RM. Carbon Dots in Treatment of Pediatric Brain Tumors: Past, Present, and Future Directions. Int J Mol Sci 2023; 24:ijms24119562. [PMID: 37298513 DOI: 10.3390/ijms24119562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/23/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
Pediatric brain tumors remain a significant source of morbidity and mortality. Though developments have been made in treating these malignancies, the blood-brain barrier, intra- and inter-tumoral heterogeneity, and therapeutic toxicity pose challenges to improving outcomes. Varying types of nanoparticles, including metallic, organic, and micellar molecules of varying structures and compositions, have been investigated as a potential therapy to circumvent some of these inherent challenges. Carbon dots (CDs) have recently gained popularity as a novel nanoparticle with theranostic properties. This carbon-based modality is highly modifiable, allowing for conjugation to drugs, as well as tumor-specific ligands in an effort to more effectively target cancerous cells and reduce peripheral toxicity. CDs are being studied pre-clinically. The ClinicalTrials.gov site was queried using the search terms: brain tumor and nanoparticle, liposome, micelle, dendrimer, quantum dot, or carbon dot. At the time of this review, 36 studies were found, 6 of which included pediatric patients. Two of the six studies investigated nanoparticle drug formulations, whereas the other four studies were on varying liposomal nanoparticle formulations for the treatment of pediatric brain tumors. Here, we reviewed the context of CDs within the broader realm of nanoparticles, their development, promising pre-clinical potential, and proposed future translational utility.
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Affiliation(s)
- Frederic A Vallejo
- Department of Neurosurgery, Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL 33136, USA
| | - Ganesh Sigdel
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33146, USA
| | - Eduardo A Veliz
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33146, USA
| | - Roger M Leblanc
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33146, USA
| | - Steven Vanni
- Department of Neurosurgery, Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL 33136, USA
- HCA Florida University Hospital, 3476 S University Dr., Davie, FL 33328, USA
- Department of Medicine, Dr. Kiran C. Patel College of Allopathic Medicine, Davie, FL 33328, USA
| | - Regina M Graham
- Department of Neurosurgery, Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL 33136, USA
- Sylvester Comprehensive Cancer Center, University of Miami Health System, Miami, FL 33136, USA
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29
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Passaro A, Jänne PA, Peters S. Antibody-Drug Conjugates in Lung Cancer: Recent Advances and Implementing Strategies. J Clin Oncol 2023:JCO2300013. [PMID: 37224424 DOI: 10.1200/jco.23.00013] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/17/2023] [Accepted: 04/06/2023] [Indexed: 05/26/2023] Open
Abstract
Antibody-drug conjugates (ADCs) are one of the fastest-growing oncology therapeutics, merging the cytotoxic effect of conjugated payload with the high specific ability and selectivity of monoclonal antibody targeted on a specific cancer cell membrane antigen. The main targets for ADC development are antigens commonly expressed by lung cancer cells, but not in normal tissues. They include human epidermal growth factor receptor 2, human epidermal growth factor receptor 3, trophoblast cell surface antigen 2, c-MET, carcinoembryonic antigen-related cell adhesion molecule 5, and B7-H3, each with one or more specific ADCs that showed encouraging results in the lung cancer field, more in non-small-cell lung cancer than in small-cell lung cancer histology. To date, multiple ADCs are under evaluation, alone or in combination with different molecules (eg, chemotherapy agents or immune checkpoint inhibitors), and the optimal strategy for selecting patients who may benefit from the treatment is evolving, including an improvement of biomarker understanding, involving markers of resistance or response to the payload, besides the antibody target. In this review, we discuss the available evidence and future perspectives on ADCs for lung cancer treatment, including a comprehensive discussion on structure-based drug design, mechanism of action, and resistance concepts. Data were summarized by specific target antigen, biology, efficacy, and safety, differing among ADCs according to the ADC payload and their pharmacokinetics and pharmacodynamics properties.
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Affiliation(s)
- Antonio Passaro
- Division of Thoracic Oncology, European Institute of Oncology IRCCS, Milan, Italy
| | - Pasi A Jänne
- Lowe Center for Thoracic Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA
| | - Solange Peters
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne University, Lausanne, Switzerland
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30
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Ziogas DC, Theocharopoulos C, Lialios PP, Foteinou D, Koumprentziotis IA, Xynos G, Gogas H. Beyond CTLA-4 and PD-1 Inhibition: Novel Immune Checkpoint Molecules for Melanoma Treatment. Cancers (Basel) 2023; 15:2718. [PMID: 37345056 DOI: 10.3390/cancers15102718] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 06/23/2023] Open
Abstract
More than ten years after the approval of ipilimumab, immune checkpoint inhibitors (ICIs) against PD-1 and CTLA-4 have been established as the most effective treatment for locally advanced or metastatic melanoma, achieving durable responses either as monotherapies or in combinatorial regimens. However, a considerable proportion of patients do not respond or experience early relapse, due to multiple parameters that contribute to melanoma resistance. The expression of other immune checkpoints beyond the PD-1 and CTLA-4 molecules remains a major mechanism of immune evasion. The recent approval of anti-LAG-3 ICI, relatlimab, in combination with nivolumab for metastatic disease, has capitalized on the extensive research in the field and has highlighted the potential for further improvement of melanoma prognosis by synergistically blocking additional immune targets with new ICI-doublets, antibody-drug conjugates, or other novel modalities. Herein, we provide a comprehensive overview of presently published immune checkpoint molecules, including LAG-3, TIGIT, TIM-3, VISTA, IDO1/IDO2/TDO, CD27/CD70, CD39/73, HVEM/BTLA/CD160 and B7-H3. Beginning from their immunomodulatory properties as co-inhibitory or co-stimulatory receptors, we present all therapeutic modalities targeting these molecules that have been tested in melanoma treatment either in preclinical or clinical settings. Better understanding of the checkpoint-mediated crosstalk between melanoma and immune effector cells is essential for generating more effective strategies with augmented immune response.
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Affiliation(s)
- Dimitrios C Ziogas
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Charalampos Theocharopoulos
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Panagiotis-Petros Lialios
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Dimitra Foteinou
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Ioannis-Alexios Koumprentziotis
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Georgios Xynos
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Helen Gogas
- First Department of Medicine, Laiko General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
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31
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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] [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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32
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Omori S, Muramatsu K, Kawata T, Miyawaki E, Miyawaki T, Mamesaya N, Kawamura T, Kobayashi H, Nakashima K, Wakuda K, Ono A, Kenmotsu H, Naito T, Murakami H, Sugino T, Takahashi T. Immunohistochemical analysis of B7-H3 expression in patients with lung cancer following various anti-cancer treatments. Invest New Drugs 2023; 41:356-364. [PMID: 37036580 DOI: 10.1007/s10637-023-01353-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 03/23/2023] [Indexed: 04/11/2023]
Abstract
B7 homolog 3 protein (B7-H3), an immune checkpoint molecule belonging to the B7 family, has been studied as a target for the development of anti-cancer treatment; however, changes in B7-H3 expression during the clinical course remain unknown. This retrospective study aimed to investigate changes in B7-H3 expression of lung cancer specimens in patients with advanced lung cancer following various anti-cancer treatments. The immunohistochemistry (IHC) score was evaluated on a 0-3 scale, and B7-H3 expression was considered positive for grade ≥ 2. The difference in IHC scores before and after anti-cancer treatment was defined as the change in B7-H3 expression. Among 160 patients with lung cancer who received anti-cancer treatment, 88 (55%) and 101 (63%) had B7-H3 expression before and after anti-cancer treatment, respectively. Before treatment, B7-H3 expression was significantly more common in squamous cell carcinoma specimens than in adenocarcinoma specimens (95% vs. 49%, P < 0.001). Of the 19 patients with squamous cell carcinoma, 18 (95%) continued to have high (IHC score: 3) B7-H3 expression following treatment. In contrast, of the 130 patients with adenocarcinoma, 46 (35%) and 17 (13%) showed an increased and a decreased expression, respectively. Patients who received targeted therapy had a significant increase in B7-H3 expression compared with those who received chemotherapy alone (P = 0.015). Overall, squamous cell carcinoma specimens maintained high B7-H3 expression during the clinical course, whereas adenocarcinoma specimens showed changes in expression following anti-cancer treatments. Our results provide the basis for further studies on the development of anti-cancer treatments targeting B7-H3.
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Affiliation(s)
- Shota Omori
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan.
| | - Koji Muramatsu
- Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Takuya Kawata
- Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Eriko Miyawaki
- Division of Early Clinical Development for Cancer, Advanced Medical Development Center, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Taichi Miyawaki
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Nobuaki Mamesaya
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Takahisa Kawamura
- Department of Thoracic Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Haruki Kobayashi
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Kazuhisa Nakashima
- Department of Internal Medicine, Division of Medical Oncology & Respiratory Medicine, Shimane University Faculty of Medicine, Shimane, Japan
| | - Kazushige Wakuda
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Akira Ono
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Hirotsugu Kenmotsu
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Tateaki Naito
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Haruyasu Murakami
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
| | - Takashi Sugino
- Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Toshiaki Takahashi
- Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Suntou-gun, Shizuoka, 411-8777, Japan
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Wang HQ, Fu R, Man QW, Yang G, Liu B, Bu LL. Advances in CAR-T Cell Therapy in Head and Neck Squamous Cell Carcinoma. J Clin Med 2023; 12:jcm12062173. [PMID: 36983174 PMCID: PMC10052000 DOI: 10.3390/jcm12062173] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/22/2023] [Accepted: 03/02/2023] [Indexed: 03/16/2023] Open
Abstract
Surgery with the assistance of conventional radiotherapy, chemotherapy and immunotherapy is the basis for head and neck squamous cell carcinoma (HNSCC) treatment. However, with these treatment modalities, the recurrence and metastasis of tumors remain at a high level. Increasingly, the evidence indicates an excellent anti-tumor effect of chimeric antigen receptor T (CAR-T) cells in hematological malignancy treatment, and this novel immunotherapy has attracted researchers’ attention in HNSCC treatment. Although several clinical trials have been conducted, the weak anti-tumor effect and the side effects of CAR-T cell therapy against HNSCC are barriers to clinical translation. The limited choices of targeting proteins, the barriers of CAR-T cell infiltration into targeted tumors and short survival time in vivo should be solved. In this review, we introduce barriers of CAR-T cell therapy in HNSCC. The limitations and current promising strategies to overcome barriers in solid tumors, as well as the applications for HNSCC treatment, are covered. The perspectives of CAR-T cell therapy in future HNSCC treatment are also discussed.
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Affiliation(s)
- Han-Qi Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
- Department of Oral & Maxillofacial Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Ruxing Fu
- Department of Materials Science and Engineering, University of California, Los Angeles, CA 92093, USA
| | - Qi-Wen Man
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
- Department of Oral & Maxillofacial Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Guang Yang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Bing Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
- Department of Oral & Maxillofacial Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
- Correspondence: (B.L.); (L.-L.B.)
| | - Lin-Lin Bu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
- Department of Oral & Maxillofacial Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
- Correspondence: (B.L.); (L.-L.B.)
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Nguyen HM, Paulishak W, Oladejo M, Wood L. Dynamic tumor microenvironment, molecular heterogeneity, and distinct immunologic portrait of triple-negative breast cancer: an impact on classification and treatment approaches. Breast Cancer 2023; 30:167-186. [PMID: 36399321 DOI: 10.1007/s12282-022-01415-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 10/26/2022] [Indexed: 11/19/2022]
Abstract
Heterogeneity of the tumor microenvironment (TME) and the lack of a definite targetable receptor in triple-negative breast cancer (TNBC) has carved a niche for this cancer as a particularly therapeutically challenging form of breast cancer. However, recent advances in high-throughput genomic analysis have provided new insights into the unique microenvironment and defining characteristics of various subsets of TNBC. This improved understanding has contributed to the development of novel therapeutic strategies including targeted therapies such as PARP inhibitors and CDK inhibitors. Moreover, the recent FDA approval of the immune checkpoint inhibitor against programmed cell death protein 1 (PD-1), pembrolizumab and atezolizumab, holds the promise of improving the quality of life and increasing the overall survival of TNBC patients. This recent approval is one of the many therapeutically novel strategies that are currently being exploited in clinical trials toward eventual contribution to the oncologist's toolbox against TNBC. In this review, we comprehensively discuss TNBC's distinct TME and its immunophenotype. Furthermore, we highlight the histological and molecular classification of this cancer. More importantly, we describe how these characteristics and classifications contribute to the current standards of care and how they steer the development of newer and more targeted therapies toward achieving peak therapeutic goals in the treatment of TNBC.
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Affiliation(s)
- Hong-My Nguyen
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Jerry H. Hodge School of Pharmacy, Abilene, TX, 79601, USA
| | - Wyatt Paulishak
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Jerry H. Hodge School of Pharmacy, Abilene, TX, 79601, USA
| | - Mariam Oladejo
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Jerry H. Hodge School of Pharmacy, Abilene, TX, 79601, USA
| | - Laurence Wood
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Jerry H. Hodge School of Pharmacy, Abilene, TX, 79601, USA.
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35
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Guo C, Figueiredo I, Gurel B, Neeb A, Seed G, Crespo M, Carreira S, Rekowski J, Buroni L, Welti J, Bogdan D, Gallagher L, Sharp A, Fenor de la Maza MD, Rescigno P, Westaby D, Chandran K, Riisnaes R, Ferreira A, Miranda S, Calì B, Alimonti A, Bressan S, Nguyen AHT, Shen MM, Hawley JE, Obradovic A, Drake CG, Bertan C, Baker C, Tunariu N, Yuan W, de Bono JS. B7-H3 as a Therapeutic Target in Advanced Prostate Cancer. Eur Urol 2023; 83:224-238. [PMID: 36114082 DOI: 10.1016/j.eururo.2022.09.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/05/2022] [Accepted: 09/02/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND B7-H3 is a cell surface immunomodulatory glycoprotein overexpressed in prostate cancers (PCs). Understanding its longitudinal expression at emergence of castration resistance and association with tumour genomics are critical to the development of and patient selection for B7-H3 targeted therapies. OBJECTIVE To characterise B7-H3 expression in same-patient hormone-sensitive (HSPC) and castration-resistant (CRPC) PC biopsies, associating this with PC genomics, and to evaluate the antitumour activity of an anti-B7-H3 antibody-drug conjugate (ADC) in human CRPC in vitro and in vivo. DESIGN, SETTING, AND PARTICIPANTS We performed immunohistochemistry and next-generation sequencing on a cohort of 98 clinically annotated CRPC biopsies, including 72 patients who also had HSPC biopsies for analyses. We analysed two CRPC transcriptome and exome datasets, and PC scRNASeq datasets. PC organoids (patient-derived xenograft [PDX]-derived organoids [PDX-Os]) were derived from PDXs generated from human CRPC biopsies. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS We evaluated B7-H3 mRNA expression in relation to a panel of 770 immune-related genes, compared B7-H3 protein expression between same-patient HSPC and CRPC biopsies, determined associations with PC genomic alterations, and evaluated the antitumour activity of DS-7300a, a topoisomerase-1 inhibitor payload anti-B7-H3 ADC, in human PC cell lines, organoids (PDX-Os), and xenografts (PDXs) of different histologies, B7-H3 expressions, and genomics. RESULTS AND LIMITATIONS B7-H3 was among the most highly expressed immunomodulatory genes in CRPCs. Most CRPCs (93%) expressed B7-H3, and in patients who developed CRPC, B7-H3 expression was frequently expressed at the time of HSPC diagnosis (97%). Conversion from B7-H3 positive to negative, or vice versa, during progression from HSPC to CRPC was uncommon. CRPC with neuroendocrine features were more likely to be B7-H3 negative (28%) than adenocarcinomas. B7-H3 is overexpressed in tumours with defective DNA repair gene (ATM and BRCA2) alterations and is associated with ERG expression, androgen receptor (AR) expression, and AR activity signature. DS7300a had antitumour activity against B7-H3 expressing human PC models including cell lines, PDX-Os, and PDXs of adenocarcinoma and neuroendocrine histology. CONCLUSIONS The frequent overexpression of B7-H3 in CRPC compared with normal tissue and other B7 family members implicates it as a highly relevant therapeutic target in these diseases. Mechanisms driving differences in B7-H3 expression across genomic subsets warrant investigation for understanding the role of B7-H3 in cancer growth and for the clinical development of B7-H3 targeted therapies. PATIENT SUMMARY B7-H3, a protein expressed on the surface of the most lethal prostate cancers, in particular those with specific mutations, can be targeted using drugs that bind B7-H3. These findings are relevant for the development of such drugs and for deciding which patients to treat with these new drugs.
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Affiliation(s)
- Christina Guo
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK
| | | | - Bora Gurel
- The Institute of Cancer Research, London, UK
| | - Antje Neeb
- The Institute of Cancer Research, London, UK
| | - George Seed
- The Institute of Cancer Research, London, UK
| | | | | | | | | | - Jon Welti
- The Institute of Cancer Research, London, UK
| | | | | | - Adam Sharp
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Maria D Fenor de la Maza
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK
| | | | - Daniel Westaby
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Khobe Chandran
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK
| | | | | | | | - Bianca Calì
- Institute of Oncology Research, Oncology Institute of Southern Switzerland, Università della Svizzera Italiana, Bellinzona, Switzerland
| | - Andrea Alimonti
- Institute of Oncology Research, Oncology Institute of Southern Switzerland, Università della Svizzera Italiana, Bellinzona, Switzerland; Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland; Veneto Institute of Molecular Medicine, Padova, Italy
| | - Silvia Bressan
- Institute of Oncology Research, Oncology Institute of Southern Switzerland, Università della Svizzera Italiana, Bellinzona, Switzerland; Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | | | - Michael M Shen
- Columbia University Irving Medical Center, New York, NY, USA
| | - Jessica E Hawley
- Columbia University Irving Medical Center, New York, NY, USA; University of Washington, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | | | - Charles G Drake
- Columbia University Irving Medical Center, New York, NY, USA; Janssen Research, Spring House, PA, USA
| | | | - Chloe Baker
- The Institute of Cancer Research, London, UK
| | - Nina Tunariu
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Wei Yuan
- The Institute of Cancer Research, London, UK
| | - Johann S de Bono
- The Institute of Cancer Research, London, UK; The Royal Marsden NHS Foundation Trust, Sutton, UK.
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36
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B7-H3 and Prostate Cancer: New Therapeutic Dance Partners. Eur Urol 2023; 83:239-240. [PMID: 36347717 DOI: 10.1016/j.eururo.2022.10.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 10/20/2022] [Indexed: 11/08/2022]
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37
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Evans RJ, Perkins DW, Selfe J, Kelsey A, Birch GP, Shipley JM, Schipper K, Isacke CM. Endo180 (MRC2) Antibody-Drug Conjugate for the Treatment of Sarcoma. Mol Cancer Ther 2023; 22:240-253. [PMID: 36399638 PMCID: PMC9890142 DOI: 10.1158/1535-7163.mct-22-0312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 09/14/2022] [Accepted: 11/02/2022] [Indexed: 11/19/2022]
Abstract
Although the 5-year survival rates for sarcoma patients have improved, the proportion of patients relapsing after first-line treatment remains high, and the survival of patients with metastatic disease is dismal. Moreover, the extensive molecular heterogeneity of the multiple different sarcoma subtypes poses a substantial challenge to developing more personalized treatment strategies. From the IHC staining of a large set of 625 human soft-tissue sarcomas, we demonstrate strong tumor cell staining of the Endo180 (MRC2) receptor in a high proportion of samples, findings echoed in gene-expression data sets showing a significantly increased expression in both soft-tissue and bone sarcomas compared with normal tissue. Endo180 is a constitutively recycling transmembrane receptor and therefore an ideal target for an antibody-drug conjugate (ADC). An anti-Endo180 monoclonal antibody conjugated to the antimitotic agent, MMAE via a cleavable linker, is rapidly internalized into target cells and trafficked to the lysosome for degradation, causing cell death specifically in Endo180-expressing sarcoma cell lines. In a sarcoma tumor xenograft model, the Endo180-vc-MMAE ADC, but not an isotype-vc-MMAE control or the unconjugated Endo180 antibody, drives on-target cytotoxicity resulting in tumor regression and a significant impairment of metastatic colonization of the lungs, liver and lymph nodes. These data, together with the lack of a phenotype in mice with an Mrc2 genetic deletion, provide preclinical proof-of-principle evidence for the future development of an Endo180-ADC as a therapeutic strategy in a broad range of sarcoma subtypes and, importantly, with potential impact both on the primary tumor and in metastatic disease.
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Affiliation(s)
- Rachel J. Evans
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Douglas W. Perkins
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Joanna Selfe
- Sarcoma Molecular Pathology Team, Divisions of Molecular Pathology and Cancer Therapeutics, The Institute of Cancer Research, London, UK
| | - Anna Kelsey
- Department of Paediatric Pathology, University of Manchester Foundation Trust, Manchester, UK
| | - Gavin P. Birch
- Abzena (Cambridge) Ltd., Babraham Research Campus, Babraham, Cambridge, UK
| | - Janet M. Shipley
- Sarcoma Molecular Pathology Team, Divisions of Molecular Pathology and Cancer Therapeutics, The Institute of Cancer Research, London, UK
| | - Koen Schipper
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Clare M. Isacke
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
- Corresponding Author: Clare M. Isacke, The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK. Phone: 4420-7153-5510; E-mail
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Keck MK, Sill M, Wittmann A, Joshi P, Stichel D, Beck P, Okonechnikow K, Sievers P, Wefers AK, Roncaroli F, Avula S, McCabe MG, Hayden JT, Wesseling P, Øra I, Nistér M, Kranendonk MEG, Tops BBJ, Zapotocky M, Zamecnik J, Vasiljevic A, Fenouil T, Meyronet D, von Hoff K, Schüller U, Loiseau H, Figarella-Branger D, Kramm CM, Sturm D, Scheie D, Rauramaa T, Pesola J, Gojo J, Haberler C, Brandner S, Jacques T, Sexton Oates A, Saffery R, Koscielniak E, Baker SJ, Yip S, Snuderl M, Ud Din N, Samuel D, Schramm K, Blattner-Johnson M, Selt F, Ecker J, Milde T, von Deimling A, Korshunov A, Perry A, Pfister SM, Sahm F, Solomon DA, Jones DTW. Amplification of the PLAG-family genes-PLAGL1 and PLAGL2-is a key feature of the novel tumor type CNS embryonal tumor with PLAGL amplification. Acta Neuropathol 2023; 145:49-69. [PMID: 36437415 PMCID: PMC9807491 DOI: 10.1007/s00401-022-02516-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 11/28/2022]
Abstract
Pediatric central nervous system (CNS) tumors represent the most common cause of cancer-related death in children aged 0-14 years. They differ from their adult counterparts, showing extensive clinical and molecular heterogeneity as well as a challenging histopathological spectrum that often impairs accurate diagnosis. Here, we use DNA methylation-based CNS tumor classification in combination with copy number, RNA-seq, and ChIP-seq analysis to characterize a newly identified CNS tumor type. In addition, we report histology, patient characteristics, and survival data in this tumor type. We describe a biologically distinct pediatric CNS tumor type (n = 31 cases) that is characterized by focal high-level amplification and resultant overexpression of either PLAGL1 or PLAGL2, and an absence of recurrent genetic alterations characteristic of other pediatric CNS tumor types. Both genes act as transcription factors for a regulatory subset of imprinted genes (IGs), components of the Wnt/β-Catenin pathway, and the potential drug targets RET and CYP2W1, which are also specifically overexpressed in this tumor type. A derived PLAGL-specific gene expression signature indicates dysregulation of imprinting control and differentiation/development. These tumors occurred throughout the neuroaxis including the cerebral hemispheres, cerebellum, and brainstem, and were predominantly composed of primitive embryonal-like cells lacking robust expression of markers of glial or neuronal differentiation (e.g., GFAP, OLIG2, and synaptophysin). Tumors with PLAGL1 amplification were typically diagnosed during adolescence (median age 10.5 years), whereas those with PLAGL2 amplification were diagnosed during early childhood (median age 2 years). The 10-year overall survival was 66% for PLAGL1-amplified tumors, 25% for PLAGL2-amplified tumors, 18% for male patients, and 82% for female patients. In summary, we describe a new type of biologically distinct CNS tumor characterized by PLAGL1/2 amplification that occurs predominantly in infants and toddlers (PLAGL2) or adolescents (PLAGL1) which we consider best classified as a CNS embryonal tumor and which is associated with intermediate survival. The cell of origin and optimal treatment strategies remain to be defined.
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Affiliation(s)
- Michaela-Kristina Keck
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Glioma Research (B360), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Martin Sill
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Andrea Wittmann
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Glioma Research (B360), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Piyush Joshi
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Damian Stichel
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Pengbo Beck
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Konstantin Okonechnikow
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Philipp Sievers
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Annika K Wefers
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Federico Roncaroli
- Geoffrey Jefferson Brain Research Centre, Division of Neuroscience and Experimental Psychology, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Shivaram Avula
- Department of Radiology, Alder Hey Children's NHS Foundation Trust, Liverpool, UK
| | - Martin G McCabe
- Division of Cancer Sciences, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - James T Hayden
- Department of Pediatric Hematology and Oncology, Alder Hey Children's NHS Foundation Trust, Liverpool, UK
| | - Pieter Wesseling
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
- Department of Pathology, Amsterdam University Medical Centers, Location VUmc and Brain Tumor Center Amsterdam, Amsterdam, The Netherlands
| | - Ingrid Øra
- Department of Pediatric Oncology and Hematology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Monica Nistér
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | | | - Bastiaan B J Tops
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Michal Zapotocky
- Prague Brain Tumor Research Group, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
- Department of Pediatric Haematology and Oncology, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Josef Zamecnik
- Department of Pathology and Molecular Medicine, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Alexandre Vasiljevic
- Institut de Pathologie Multisite-Site Est, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
| | - Tanguy Fenouil
- Institut de Pathologie Multisite-Site Est, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
| | - David Meyronet
- Institut de Pathologie Multisite-Site Est, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
| | - Katja von Hoff
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Ulrich Schüller
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Research Institute Children's Cancer Center Hamburg, Hamburg, Germany
| | - Hugues Loiseau
- University of Bordeaux, Bordeaux Institute of Oncology (BRIC)-INSERM U1312 Université de Bordeaux, 146 rue Leo Saignat, Case 76, 33076, Bordeaux, France
| | - Dominique Figarella-Branger
- Aix-Marseille Univ, APHM, CNRS, INP, Inst Neurophysiopathol, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, Marseille, France
| | - Christof M Kramm
- Division of Pediatric Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Dominik Sturm
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Glioma Research (B360), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Department of Pediatric Oncology, Hematology, Immunology and Pulmonology, University Hospital Heidelberg, Heidelberg, Germany
| | - David Scheie
- Department of Pathology, Rigshospitalet, Copenhagen, Denmark
| | - Tuomas Rauramaa
- Department of Clinical Pathology, Kuopio University Hospital and Unit of Pathology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Jouni Pesola
- Department of Pediatrics, Pediatric Hematology and Oncology Ward, Kuopio University Hospital and Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Johannes Gojo
- Department of Pediatrics and Adolescent Medicine, Comprehensive Cancer Center and Comprehensive Center for Pediatrics, Medical University of Vienna, 1090, Vienna, Austria
| | - Christine Haberler
- Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Sebastian Brandner
- Division of Neuropathology, National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, Queen Square, London, UK
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, Queen Square, London, UK
| | - Tom Jacques
- Department of Developmental Biology and Cancer, UCL GOS Institute of Child Health, University College London, London, UK
| | - Alexandra Sexton Oates
- Murdoch Children's Research Institute and Department of Paediatrics, University of Melbourne, Royal Children's Hospital, Melbourne, Australia
| | - Richard Saffery
- Murdoch Children's Research Institute and Department of Paediatrics, University of Melbourne, Royal Children's Hospital, Melbourne, Australia
| | - Ewa Koscielniak
- Department of Pediatric Oncology/Hematology/Immunology, Olgahospital, Klinikum Stuttgart, Stuttgart, Germany
| | - Suzanne J Baker
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Stephen Yip
- Department of Pathology and Laboratory Medicine, The University of British Colombia, Vancouver, Canada
| | - Matija Snuderl
- Department of Pathology, NYU Langone Medical Center, New York, NY, USA
| | - Nasir Ud Din
- Department of Pathology and Laboratory Medicine, The Aga Khan University, Karachi, Pakistan
| | - David Samuel
- Department of Pediatric Hematology-Oncology, Valley Children's Hospital, Madera, CA, USA
| | - Kathrin Schramm
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Glioma Research (B360), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Mirjam Blattner-Johnson
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Glioma Research (B360), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Florian Selt
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Jonas Ecker
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Till Milde
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Andreas von Deimling
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Andrey Korshunov
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Arie Perry
- Division of Neuropathology, Department of Pathology, University of California San Francisco (UCSF), 513 Parnassus Ave, Health Sciences West 451, San Francisco, CA, 94143, USA
| | - Stefan M Pfister
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology, Immunology and Pulmonology, University Hospital Heidelberg, Heidelberg, Germany
| | - Felix Sahm
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - David A Solomon
- Division of Neuropathology, Department of Pathology, University of California San Francisco (UCSF), 513 Parnassus Ave, Health Sciences West 451, San Francisco, CA, 94143, USA.
| | - David T W Jones
- Hopp Children's Cancer Center Heidelberg (KiTZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
- Division of Pediatric Glioma Research (B360), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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Felber JG, Thorn-Seshold O. 40 Years of Duocarmycins: A Graphical Structure/Function Review of Their Chemical Evolution, from SAR to Prodrugs and ADCs. JACS AU 2022; 2:2636-2644. [PMID: 36590260 PMCID: PMC9795467 DOI: 10.1021/jacsau.2c00448] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/16/2022] [Accepted: 09/27/2022] [Indexed: 05/16/2023]
Abstract
Synthetic analogues of the DNA-alkylating cytotoxins of the duocarmycin class have been extensively investigated in the past 40 years, driven by their high potency, their unusual mechanism of bioactivity, and the beautiful modularity of their structure-activity relationship (SAR). This Perspective analyzes how the molecular designs of synthetic duocarmycins have evolved: from (1) early SAR studies, through to modern applications for directed cancer therapy as (2) prodrugs and (3) antibody-drug conjugates in late-stage clinical development. Analyzing 583 primary research articles and patents from 1978 to 2022, we distill out a searchable A0-format "Minard map" poster of ca. 200 key structure/function-tuning steps tracing chemical developments across these three key areas. This structure-based overview showcases the ingenious approaches to tune and target bioactivity, that continue to drive development of the elegant and powerful duocarmycin platform.
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Shi X, Day A, Bergom HE, Tape S, Baca SC, Sychev ZE, Larson G, Bozicevich A, Drake JM, Zorko N, Wang J, Ryan CJ, Antonarakis ES, Hwang J. Integrative molecular analyses define correlates of high B7-H3 expression in metastatic castrate-resistant prostate cancer. NPJ Precis Oncol 2022; 6:80. [PMID: 36323882 PMCID: PMC9630314 DOI: 10.1038/s41698-022-00323-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Abstract
B7-H3 (CD276) is an immune checkpoint overexpressed in prostate cancer with minimal expression in normal tissues and associated with poor prognosis, making it an excellent therapy target. We interrogated B7-H3 expression and its regulation in metastatic castration-resistant prostate cancer (mCRPC). We found greater expression of B7-H3 transcript relative to other immunotherapy targets (CTLA-4, PD-L1/2), including in tumors that lacked expression of prostate-specific membrane antigen (PSMA). Enzalutamide-resistant mCRPC cells demonstrated increased amounts of B7-H3, and this was associated with resistance signaling pathways. Using a machine-learning algorithm, the gene network of B7-H3 was strongly correlated with androgen receptor (AR) and AR co-factor (HOXB13, FOXA1) networks. In mCRPC samples, the B7-H3 promoter and distal enhancer regions exhibited enhanced transcriptional activity and were directly bound by AR and its co-factors. Altogether, our study characterizes molecular profiles and epigenetic regulation of B7-H3-expressing mCRPC tumors, which informs optimal precision-oncology approaches for mCRPC patients.
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Affiliation(s)
- Xiaolei Shi
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA
| | - Abderrahman Day
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA
| | - Hannah E. Bergom
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA
| | - Sydney Tape
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA
| | - Sylvan C. Baca
- grid.38142.3c000000041936754XDana-Farber Cancer Institute, Harvard Medical School, Boston, MA USA
| | - Zoi E. Sychev
- grid.17635.360000000419368657Department of Pharmacology, University of Minnesota, Minneapolis, MN USA
| | - Gabrianne Larson
- grid.17635.360000000419368657Department of Pharmacology, University of Minnesota, Minneapolis, MN USA
| | - Asha Bozicevich
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA
| | - Justin M. Drake
- grid.17635.360000000419368657Department of Pharmacology, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Department of Urology, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Masonic Cancer Center, University of Minnesota, Minneapolis, MN USA
| | - Nicholas Zorko
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Masonic Cancer Center, University of Minnesota, Minneapolis, MN USA
| | - Jinhua Wang
- grid.17635.360000000419368657Institute for Health Informatics, University of Minnesota, Minneapolis, MN USA
| | - Charles J. Ryan
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.453146.10000 0000 9487 9191Prostate Cancer Foundation, Santa Monica, CA USA
| | - Emmanuel S. Antonarakis
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Masonic Cancer Center, University of Minnesota, Minneapolis, MN USA
| | - Justin Hwang
- grid.17635.360000000419368657Department of Medicine, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN USA ,grid.17635.360000000419368657Masonic Cancer Center, University of Minnesota, Minneapolis, MN USA
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Zhao B, Li H, Xia Y, Wang Y, Wang Y, Shi Y, Xing H, Qu T, Wang Y, Ma W. Immune checkpoint of B7-H3 in cancer: from immunology to clinical immunotherapy. J Hematol Oncol 2022; 15:153. [PMID: 36284349 PMCID: PMC9597993 DOI: 10.1186/s13045-022-01364-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/30/2022] [Indexed: 11/28/2022] Open
Abstract
Immunotherapy for cancer is a rapidly developing treatment that modifies the immune system and enhances the antitumor immune response. B7-H3 (CD276), a member of the B7 family that plays an immunoregulatory role in the T cell response, has been highlighted as a novel potential target for cancer immunotherapy. B7-H3 has been shown to play an inhibitory role in T cell activation and proliferation, participate in tumor immune evasion and influence both the immune response and tumor behavior through different signaling pathways. B7-H3 expression has been found to be aberrantly upregulated in many different cancer types, and an association between B7-H3 expression and poor prognosis has been established. Immunotherapy targeting B7-H3 through different approaches has been developing rapidly, and many ongoing clinical trials are exploring the safety and efficacy profiles of these therapies in cancer. In this review, we summarize the emerging research on the function and underlying pathways of B7-H3, the expression and roles of B7-H3 in different cancer types, and the advances in B7-H3-targeted therapy. Considering different tumor microenvironment characteristics and results from preclinical models to clinical practice, the research indicates that B7-H3 is a promising target for future immunotherapy, which might eventually contribute to an improvement in cancer immunotherapy that will benefit patients.
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Affiliation(s)
- Binghao Zhao
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Huanzhang Li
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yu Xia
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yaning Wang
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yuekun Wang
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yixin Shi
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Hao Xing
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Tian Qu
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yu Wang
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
| | - Wenbin Ma
- grid.506261.60000 0001 0706 7839Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 People’s Republic of China ,grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People’s Republic of China
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Hu B, Hao S, Miao Y, Deng Y, Wang J, Wan H, Zhang S, Ji N, Feng J. Inhibiting PP2A Upregulates B7-H3 Expression and Potentially Increases the Sensitivity of Malignant Meningiomas to Immunotherapy by Proteomics. Pathol Oncol Res 2022; 28:1610572. [PMID: 36203966 PMCID: PMC9530036 DOI: 10.3389/pore.2022.1610572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 09/02/2022] [Indexed: 12/03/2022]
Abstract
Malignant meningiomas have a high mortality rate and short survival time and currently have no effective treatment. In our study, proteomics analysis was performed to identify highly expressed proteins as therapeutic targets in malignant meningiomas. Cell Counting Kit-8 (CCK-8) assays were performed to verify the effect of LB-100 on the growth of malignant meningiomas. In addition, immunoblotting was used to verify the expression of B7-H3 and phosphorylation of STAT1 (Tyr701) in tissues and cells. Our results show that STAT1 and CD276 (B7-H3) regulated by PP2A were enriched in GO_IMMUNE_EFFECTOR_PROCESS and GO_REGULATION_OF_IMMUNE_SYSTEM_PROCESS. The immunotherapy target protein B7-H3 was confirmed to be upregulated in malignant meningiomas compared with meningothelial (p = 0.0001) and fibroblastic (p = 0.0046) meningiomas. In vitro, the PP2A inhibitor LB-100 suppressed the growth and invasion of malignant meningioma cells. Notably, the PP2A inhibitor LB-100 increased the phosphorylation of STAT1, thereby increasing the expression of the immune checkpoint protein B7-H3 in malignant meningioma cells in vitro. In conclusion, B7-H3 was found to be upregulated in malignant meningiomas. The PP2A inhibitor LB-100 increased the phosphorylation of STAT1 and B7-H3 expression, which could increase the sensitivity of malignant meningiomas to B7-H3 targeted immunotherapy.
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Affiliation(s)
- Boyi Hu
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Shuyu Hao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yazhou Miao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuxuan Deng
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jing Wang
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Hong Wan
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Shaodong Zhang
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Nan Ji
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jie Feng
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
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To kill a cancer: Targeting the immune inhibitory checkpoint molecule, B7-H3. Biochim Biophys Acta Rev Cancer 2022; 1877:188783. [PMID: 36028149 DOI: 10.1016/j.bbcan.2022.188783] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/30/2022] [Accepted: 08/19/2022] [Indexed: 12/26/2022]
Abstract
Targeting the anti-tumor immune response via the B7 family of immune-regulatory checkpoint proteins has revolutionized cancer treatment and resulted in punctuated responses in patients. B7-H3 has gained recent attention given its prominent deregulation and immunomodulatory role in a multitude of cancers. Numerous cancer studies have firmly established a strong link between deregulated B7-H3 expression and poorer outcomes. B7-H3 has been shown to augment cancer cell survival, proliferation, metastasis, and drug resistance by inducing an immune evasive phenotype through its effects on tumor-infiltrating immune cells, cancer cells, cancer-associated vasculature, and the stroma. Given the complex interplay between each of these components of the tumor microenvironment, a deeper understanding of B7-H3 signaling properties is inherently crucial to developing efficacious therapies that can target and inhibit these cancer-promoting interactions. This review delves into the various ways B7-H3 acts as an immunomodulator to facilitate immune evasion and promote tumor growth and spread. With post-transcriptional and post-translational modifications giving rise to different active isoforms coupled with recent discoveries of its putative receptors, B7-H3 can perform diverse functions. Here, we first discuss the dual co-stimulatory/co-inhibitory functions of B7-H3 in the context of normal physiology and cancer. We then discuss the crosstalk facilitated by B7-H3 between stromal components and tumor cells that promote tumor growth and metastasis in different populations of tumor cells, associated vasculature, and the stroma. Concurrently, we highlight therapeutic strategies that can exploit these interactions and their associated limitations, concluding with a special focus on the promise of next-gen in silico-based approaches to small molecule inhibitor drug discovery for B7-H3 that may mitigate these limitations.
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Mews EA, Beckmann P, Patchava M, Wang Y, Largaespada DA, Wagner CR. Multivalent, Bispecific αB7-H3-αCD3 Chemically Self-Assembled Nanorings Direct Potent T Cell Responses against Medulloblastoma. ACS NANO 2022; 16:12185-12201. [PMID: 35876221 PMCID: PMC9885520 DOI: 10.1021/acsnano.2c02850] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Few therapeutic options have been made available for treating central nervous system tumors, especially upon recurrence. Recurrent medulloblastoma is uniformly lethal with no approved therapies. Recent preclinical studies have shown promising results for eradicating various solid tumors by targeting the overexpressed immune checkpoint molecule, B7-H3. However, due to several therapy-related toxicities and reports of tumor escape, the full potential of targeting this pan-cancer antigen has yet to be realized. Here, we designed and characterized bispecific chemically self-assembling nanorings (CSANs) that target the T cell receptor, CD3ε, and tumor associated antigen, B7-H3, derived from the humanized 8H9 single chain variable fragment. We show that the αB7-H3-αCD3 CSANs increase T cell infiltration and facilitate selective cytotoxicity of B7-H3+ medulloblastoma spheroids and that activity is independent of target cell MHC class I expression. Importantly, nonspecific T cell activation against the ONS 2303 medulloblastoma cell line can be reduced by tuning the valency of the αCD3 targeted monomer in the oligomerized CSAN. Intraperitoneal injections of αB7-H3-αCD3 bispecific CSANs were found to effectively cross the blood-tumor barrier into the brain and elicit significant antitumor T cell activity intracranially as well as systemically in an orthotopic medulloblastoma model. Moreover, following treatment with αB7-H3-αCD3 CSANs, intratumoral T cells were found to primarily have a central memory phenotype that displayed significant levels of characteristic activation markers. Collectively, these results demonstrate the ability of our multivalent, bispecific CSANs to direct potent antitumor T cell responses and indicate its potential utility as an alternative or complementary therapy for immune cell targeting of B7-H3+ brain tumors.
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Affiliation(s)
- Ellie A. Mews
- Department of Medicinal Chemistry, University of Minnesota, Cancer and Cardiovascular Research Building, 2231 6 St SE, Minneapolis, MN 55455 United States
| | - Pauline Beckmann
- Department of Pediatrics, Center for Genome Engineering, Masonic Cancer Center, University of Minnesota, Malcolm Moos Tower, 515 Delaware St SE, Minneapolis, MN 55455 United States
| | - Mahathi Patchava
- Department of Pediatrics, Center for Genome Engineering, Masonic Cancer Center, University of Minnesota, Malcolm Moos Tower, 515 Delaware St SE, Minneapolis, MN 55455 United States
| | - Yiao Wang
- Department of Medicinal Chemistry, University of Minnesota, Cancer and Cardiovascular Research Building, 2231 6 St SE, Minneapolis, MN 55455 United States
| | - David A. Largaespada
- Department of Pediatrics, Center for Genome Engineering, Masonic Cancer Center, University of Minnesota, Malcolm Moos Tower, 515 Delaware St SE, Minneapolis, MN 55455 United States
| | - Carston R. Wagner
- Department of Medicinal Chemistry, University of Minnesota, Cancer and Cardiovascular Research Building, 2231 6 St SE, Minneapolis, MN 55455 United States
- Corresponding Author: Carston R Wagner: Department of Medicinal Chemistry, University of Minnesota, Minneapolis, MN 55455 United States;
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Chen L, Chen F, Niu H, Li J, Pu Y, Yang C, Wang Y, Huang R, Li K, Lei Y, Huang Y. Chimeric Antigen Receptor (CAR)-T Cell Immunotherapy Against Thoracic Malignancies: Challenges and Opportunities. Front Immunol 2022; 13:871661. [PMID: 35911706 PMCID: PMC9334018 DOI: 10.3389/fimmu.2022.871661] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 06/14/2022] [Indexed: 11/13/2022] Open
Abstract
Different from surgery, chemical therapy, radio-therapy and target therapy, Chimeric antigen receptor-modified T (CAR-T) cells, a novel adoptive immunotherapy strategy, have been used successfully against both hematological tumors and solid tumors. Although several problems have reduced engineered CAR-T cell therapeutic outcomes in clinical trials for the treatment of thoracic malignancies, including the lack of specific antigens, an immunosuppressive tumor microenvironment, a low level of CAR-T cell infiltration into tumor tissues, off-target toxicity, and other safety issues, CAR-T cell treatment is still full of bright future. In this review, we outline the basic structure and characteristics of CAR-T cells among different period, summarize the common tumor-associated antigens in clinical trials of CAR-T cell therapy for thoracic malignancies, and point out the current challenges and new strategies, aiming to provide new ideas and approaches for preclinical experiments and clinical trials of CAR-T cell therapy for thoracic malignancies.
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Affiliation(s)
- Long Chen
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Fukun Chen
- Department of Nuclear Medicine, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Huatao Niu
- Department of Neurosurgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Jindan Li
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Yongzhu Pu
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Conghui Yang
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Yue Wang
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Rong Huang
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
| | - Ke Li
- Department of Cancer Biotherapy Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
- *Correspondence: Yunchao Huang, ; Yujie Lei, ; Ke Li,
| | - Yujie Lei
- Department of Thoracic Surgery I, Key Laboratory of Lung Cancer of Yunnan Province, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
- *Correspondence: Yunchao Huang, ; Yujie Lei, ; Ke Li,
| | - Yunchao Huang
- Department of Thoracic Surgery I, Key Laboratory of Lung Cancer of Yunnan Province, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Cancer Center of Yunnan Province, Kunming, China
- *Correspondence: Yunchao Huang, ; Yujie Lei, ; Ke Li,
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Jin Y, Edalatian Zakeri S, Bahal R, Wiemer AJ. New Technologies Bloom Together for Bettering Cancer Drug Conjugates. Pharmacol Rev 2022; 74:680-711. [PMID: 35710136 DOI: 10.1124/pharmrev.121.000499] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Drug conjugates, including antibody-drug conjugates, are a step toward realizing Paul Ehrlich's idea from over 100 years ago of a "magic bullet" for cancer treatment. Through balancing selective targeting molecules with highly potent payloads, drug conjugates can target specific tumor microenvironments and kill tumor cells. A drug conjugate consists of three parts: a targeting agent, a linker, and a payload. In some conjugates, monoclonal antibodies act as the targeting agent, but new strategies for targeting include antibody derivatives, peptides, and even small molecules. Linkers are responsible for connecting the payload to the targeting agent. Payloads impact vital cellular processes to kill tumor cells. At present, there are 12 antibody-drug conjugates on the market for different types of cancers. Research on drug conjugates is increasing year by year to solve problems encountered in conjugate design, such as tumor heterogeneity, poor circulation, low drug loading, low tumor uptake, and heterogenous expression of target antigens. This review highlights some important preclinical research on drug conjugates in recent years. We focus on three significant areas: improvement of antibody-drug conjugates, identification of new conjugate targets, and development of new types of drug conjugates, including nanotechnology. We close by highlighting the critical barriers to clinical translation and the open questions going forward. SIGNIFICANCE STATEMENT: The development of anticancer drug conjugates is now focused in three broad areas: improvements to existing antibody drug conjugates, identification of new targets, and development of new conjugate forms. This article focuses on the exciting preclinical studies in these three areas and advances in the technology that improves preclinical development.
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Affiliation(s)
- Yiming Jin
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
| | | | - Raman Bahal
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
| | - Andrew J Wiemer
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
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Clinical significance of B7-H3 and HER2 co-expression and therapeutic value of combination treatment in gastric cancer. Int Immunopharmacol 2022; 110:108988. [PMID: 35777267 DOI: 10.1016/j.intimp.2022.108988] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/13/2022] [Accepted: 06/19/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Gastric cancer (GC) is a digestive system malignancy. Trastuzumab (a HER2-targeted monoclonal antibody) is an important targeted drug for GC. However, the drug resistance limits its clinical efficacy. B7-H3 was suggested to be a promising target for cancer immunotherapy. This study aimed to investigate the clinical significance of B7-H3 and HER2 co-expression and the therapeutic value of combination treatment in GC. METHODS We examined the expression of B7-H3 and HER2 in 268 GC patients by immunohistochemistry. Pearson test was used to analyze the correlation between categorical variables. Overall survival was assessed by Kaplan-Meier analysis. All in vitro experiments using HER2-positive GC cells were treated with small interfering RNA targeting B7-H3/HER2 or B7-H3 blocking antibody 3E8/trastuzumab to verify the antitumor efficacy of the combination therapy. GC xenograft mouse models were established to evaluate the in vivo anti-tumor effect of combined therapy. RESULTS There was a significant correlation between B7-H3 and HER2 expression in GC tissues. High co-expression of B7-H3 and HER2 was associated with poor prognosis (P = 0.007) and could be an independent risk factor for survival. In addition, knockdown or targeted therapies of B7-H3/HER2 significantly suppressed cell proliferation, migration, invasion and adhesion in vitro. Trastuzumab combined with 3E8 was significantly effective at reducing mice tumor growth than monotherapy. CONCLUSION High co-expression of B7-H3 and HER2 indicates a poor prognosis, and combination therapy targeting B7-H3 and HER2 could be an immunotherapeutic strategy for GC.
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Hayashi T, Hinata N. Current status and future prospects of antibody-drug conjugates in urological malignancies. Int J Urol 2022; 29:1100-1108. [PMID: 35581739 DOI: 10.1111/iju.14925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 04/25/2022] [Indexed: 12/16/2022]
Abstract
Antibody-drug conjugates represent a promising new treatment option that uses the targeting ability of an antibody to deliver cytotoxic drugs directly to tumors. Antibody-drug conjugates provide the opportunity to deliver drugs to antigen-expressing cancer cells while minimizing toxicity to normal tissue, achieving wider therapeutic windows. To date, three antibody-drug conjugates have been approved by the US Food and Drug Administration, and many antibody-drug conjugates are under clinical development for urological malignancies. In this paper, we review the mechanism, history, and development of antibody-drug conjugates, and review the current landscape of antibody-drug conjugates in urological malignancies including 12 targets and 18 antibody-drug conjugates in prostate cancer, renal cancer, and urothelial cancer. Furthermore, we review the rational combination of antibody-drug conjugates with immune checkpoint inhibitors and consider future prospects to enhance the therapeutic activity of antibody-drug conjugates in urological malignancies.
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Affiliation(s)
- Tetsutaro Hayashi
- Department of Urology, Hiroshima University Graduate School of Biomedical and Health Science, Hiroshima, Japan
| | - Nobuyuki Hinata
- Department of Urology, Hiroshima University Graduate School of Biomedical and Health Science, Hiroshima, Japan
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Xie X, Lee J, Iwase T, Kai M, Ueno NT. Emerging drug targets for triple-negative breast cancer: A guided tour of the preclinical landscape. Expert Opin Ther Targets 2022; 26:405-425. [PMID: 35574694 DOI: 10.1080/14728222.2022.2077188] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Triple-negative breast cancer (TNBC) is the most fatal molecular subtype of breast cancer because of its aggressiveness and resistance to chemotherapy. FDA-approved therapies for TNBC are limited to poly(ADP-ribose) polymerase inhibitors, immune checkpoint inhibitors, and trophoblast cell surface antigen 2-targeted antibody-drug conjugate. Therefore, developing a novel effective targeted therapy for TNBC is an urgent unmet need. AREAS COVERED In this narrative review, we discuss emerging targets for TNBC treatment discovered in early translational studies. We focus on cancer cell membrane molecules, hyperactive intracellular signaling pathways, and the tumor microenvironment (TME) based on their druggability, therapeutic potency, specificity to TNBC, and application in immunotherapy. EXPERT OPINION The significant challenges in the identification and validation of TNBC-associated targets are 1) application of appropriate genetic, molecular, and immunological approaches for modulating the target, 2) establishment of a proper mouse model that accurately represents the human immune TME, 3) TNBC molecular heterogeneity, and 4) failure translation of preclinical findings to clinical practice. To overcome those difficulties, future research needs to apply novel technology, such as single-cell RNA sequencing, thermostable group II intron reverse transcriptase sequencing, and humanized mouse models. Further, combination treatment targeting multiple pathways in both the TNBC tumor and its TME is essential for effective disease control.
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Affiliation(s)
- Xuemei Xie
- Section of Translational Breast Cancer Research, Morgan Welch Inflammatory Breast Cancer Research Program and Clinic, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jangsoon Lee
- Section of Translational Breast Cancer Research, Morgan Welch Inflammatory Breast Cancer Research Program and Clinic, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Toshiaki Iwase
- Section of Translational Breast Cancer Research, Morgan Welch Inflammatory Breast Cancer Research Program and Clinic, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Megumi Kai
- Section of Translational Breast Cancer Research, Morgan Welch Inflammatory Breast Cancer Research Program and Clinic, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Naoto T Ueno
- Section of Translational Breast Cancer Research, Morgan Welch Inflammatory Breast Cancer Research Program and Clinic, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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Antibody-Drug Conjugates in Uro-Oncology. Target Oncol 2022; 17:203-221. [PMID: 35567672 DOI: 10.1007/s11523-022-00872-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2022] [Indexed: 10/18/2022]
Abstract
Currently available treatment options for patients with refractory metastatic prostate, bladder, or kidney cancers are limited with the prognosis remaining poor. Advances in the pathobiology of tumors has led to the discovery of cancer antigens that may be used as the target for cancer treatment. Antibody-drug conjugates (ADCs) are a relatively new concept in cancer treatment that broaden therapeutic landscape. ADCs are examples of a 'drug delivery into the tumor' system composed of an antigen-directed antibody linked to a cytotoxic drug that may release cytotoxic components after binding to the antigen located on the surface of tumor cells. The clinical properties of drugs are influenced by every component of ADCs. Regarding uro-oncology, enfortumab vedotin (EV) and sacituzumab govitecan (SG) are currently registered for patients with locally advanced or metastatic urothelial cancer following previous treatment with an immune checkpoint inhibitor (iCPI; programmed death receptor-1 [PD-1] or programmed death-ligand 1 [PD-L1]) inhibitor) and platinum-containing chemotherapy. The EV-301 trial showed that EV significantly prolonged the overall survival compared with classic chemotherapy. The TROPHY-U-01 trial conducted to evaluate SG demonstrated promising results as regards the objective response rate and duration of response. The safety and efficacy of ADCs in monotherapy and polytherapy (mainly with iCPIs) for different cancer stages and tumor types are assessed in numerous ongoing clinical trials. The aim of this review is to present new molecular biomarkers, specific mechanisms of action, and ongoing clinical trials of ADCs in genitourinary cancers. In the expert discussion, we assess the place of ADCs in uro-oncology and discuss their clinical value.
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