1
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Liu C, Wang Q, Li L, Gao F, Zhang Y, Zhu Y. The peptide-based bispecific CAR T cells target EGFR and tumor stroma for effective cancer therapy. Int J Pharm 2024; 663:124558. [PMID: 39111352 DOI: 10.1016/j.ijpharm.2024.124558] [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: 05/20/2024] [Revised: 07/23/2024] [Accepted: 08/04/2024] [Indexed: 08/12/2024]
Abstract
BACKGROUND AND PURPOSE The efficacy of chimeric antigen receptor (CAR)-T cell for solid tumors is limited partially because of the lack of tumor-specific antigens and off-target effects. Low molecular weight peptides allowed CAR T cell to display several antigen receptors to reduce off-target effects. Here, we develop a peptide-based bispecific CAR for EGFR and tumor stroma, which are expressed in a variety of tumor types. EXPERIMENTAL APPROACH AND KEY RESULTS The peptide-based CAR T cells show excellent proliferation, cytotoxicity activity and are only activated by tumor cells overexpressing EGFR instead of normal cells with low EGFR expressing. In mouse xenograft models, the peptide bispecific CAR T cells can be delivered into the inner of tumor masses and thus are effective in inhibiting tumor growth. Meanwhile, they show strong expansion capacity and the property of maintaining long-term function in vivo. During treatment, no off-tumor toxicity is observed on healthy organs expressing lower levels of EGFR. CONCLUSIONS & IMPLICATIONS Our findings demonstrate that peptide-based bispecific CAR T holds great potential in solid tumor therapy due to an excellent targeting ability towards tumors and tumor microenvironment.
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Affiliation(s)
- Cuijuan Liu
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China; The Fifth Medical Center of Chinese PLA General Hospital, Beijing 100071, China
| | - Qianqian Wang
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Lin Li
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Fan Gao
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yuanyue Zhang
- Department of Oncology, Suzhou BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Suzhou, China
| | - Yimin Zhu
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.
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2
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Trautmann T, Yakobian N, Nguyen R. CAR T-cells for pediatric solid tumors: where to go from here? Cancer Metastasis Rev 2024:10.1007/s10555-024-10214-6. [PMID: 39317919 DOI: 10.1007/s10555-024-10214-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Accepted: 09/13/2024] [Indexed: 09/26/2024]
Abstract
Despite the great success that chimeric antigen receptor (CAR) T-cells have had in patients with B-cell malignancies and multiple myeloma, they continue to have limited efficacy against most solid tumors. Especially in the pediatric population, pre- and post-treatment biopsies are rarely performed due to ethical reasons, and thus, our understanding is still very limited regarding the mechanisms in the tumor microenvironment by which tumor cells exclude effectors and attract immune-suppressive cells. Nevertheless, based on the principles that are known, current T-cell engineering has leveraged some of these processes and created more potent CAR T-cells. The recent discovery of new oncofetal antigens and progress made in CAR design have expanded the potential pool of candidate antigens for therapeutic development. The most promising approaches to enhance CAR T-cells are novel CAR gating strategies, creative ways of cytokine delivery to the TME without enhancing systemic toxicity, and hijacking the chemokine axis of tumors for migratory purposes. With these new modifications, the next step in the era of CAR T-cell development will be the clinical validation of these promising preclinical findings.
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Affiliation(s)
- Tina Trautmann
- Pediatric Oncology Branch, NCI, NIH, NCI, 10 Center Drive, 1W-5832, Bethesda, MD, 20892, USA
| | - Natalia Yakobian
- Pediatric Oncology Branch, NCI, NIH, NCI, 10 Center Drive, 1W-5832, Bethesda, MD, 20892, USA
| | - Rosa Nguyen
- Pediatric Oncology Branch, NCI, NIH, NCI, 10 Center Drive, 1W-5832, Bethesda, MD, 20892, USA.
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3
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Pascual-Pasto G, McIntyre B, Hines MG, Giudice AM, Garcia-Gerique L, Hoffmann J, Mishra P, Matlaga S, Lombardi S, Shraim R, Schürch PM, Yarmarkovich M, Hofmann TJ, Alikarami F, Martinez D, Tsang M, Gil-de-Gómez L, Spear TT, Bernt KM, Wolpaw AJ, Dimitrov DS, Li W, Bosse KR. CAR T-cell-mediated delivery of bispecific innate immune cell engagers for neuroblastoma. Nat Commun 2024; 15:7141. [PMID: 39164224 PMCID: PMC11336212 DOI: 10.1038/s41467-024-51337-2] [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: 10/03/2023] [Accepted: 08/06/2024] [Indexed: 08/22/2024] Open
Abstract
Novel chimeric antigen receptor (CAR) T-cell approaches are needed to improve therapeutic efficacy in solid tumors. High-risk neuroblastoma is an aggressive pediatric solid tumor that expresses cell-surface GPC2 and GD2 with a tumor microenvironment infiltrated by CD16a-expressing innate immune cells. Here we engineer T-cells to express a GPC2-directed CAR and simultaneously secrete a bispecific innate immune cell engager (BiCE) targeting both GD2 and CD16a. In vitro, GPC2.CAR-GD2.BiCE T-cells induce GPC2-dependent cytotoxicity and secrete GD2.BiCE that promotes GD2-dependent activation of antitumor innate immunity. In vivo, GPC2.CAR-GD2.BiCE T-cells locally deliver GD2.BiCE and increase intratumor retention of NK-cells. In mice bearing neuroblastoma patient-derived xenografts and reconstituted with human CD16a-expressing immune cells, GD2.BiCEs enhance GPC2.CAR antitumor efficacy. A CAR.BiCE strategy should be considered for tumor histologies where antigen escape limits CAR efficacy, especially for solid tumors like neuroblastoma that are infiltrated by innate immune cells.
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Affiliation(s)
- Guillem Pascual-Pasto
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Brendan McIntyre
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Margaret G Hines
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Anna M Giudice
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Laura Garcia-Gerique
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, 19104, USA
- Center for Cellular Immunotherapies, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 19104, USA
| | - Jennifer Hoffmann
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Pamela Mishra
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Stephanie Matlaga
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Simona Lombardi
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Rawan Shraim
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Patrick M Schürch
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Mark Yarmarkovich
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- New York University, Perlmutter Cancer Center, Grossman School of Medicine, New York, NY, 10016, USA
| | - Ted J Hofmann
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Fatemeh Alikarami
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Daniel Martinez
- Department of Pathology, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Matthew Tsang
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Luis Gil-de-Gómez
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Molecular Biology, University of Cantabria School of Medicine, Santander, Cantabria, 39011, Spain
| | - Timothy T Spear
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Kathrin M Bernt
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Adam J Wolpaw
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Dimiter S Dimitrov
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Wei Li
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Kristopher R Bosse
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA.
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA.
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4
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Paul S, Konig MF, Pardoll DM, Bettegowda C, Papadopoulos N, Wright KM, Gabelli SB, Ho M, van Elsas A, Zhou S. Cancer therapy with antibodies. Nat Rev Cancer 2024; 24:399-426. [PMID: 38740967 PMCID: PMC11180426 DOI: 10.1038/s41568-024-00690-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/29/2024] [Indexed: 05/16/2024]
Abstract
The greatest challenge in cancer therapy is to eradicate cancer cells with minimal damage to normal cells. Targeted therapy has been developed to meet that challenge, showing a substantially increased therapeutic index compared with conventional cancer therapies. Antibodies are important members of the family of targeted therapeutic agents because of their extraordinarily high specificity to the target antigens. Therapeutic antibodies use a range of mechanisms that directly or indirectly kill the cancer cells. Early antibodies were developed to directly antagonize targets on cancer cells. This was followed by advancements in linker technologies that allowed the production of antibody-drug conjugates (ADCs) that guide cytotoxic payloads to the cancer cells. Improvement in our understanding of the biology of T cells led to the production of immune checkpoint-inhibiting antibodies that indirectly kill the cancer cells through activation of the T cells. Even more recently, bispecific antibodies were synthetically designed to redirect the T cells of a patient to kill the cancer cells. In this Review, we summarize the different approaches used by therapeutic antibodies to target cancer cells. We discuss their mechanisms of action, the structural basis for target specificity, clinical applications and the ongoing research to improve efficacy and reduce toxicity.
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Affiliation(s)
- Suman Paul
- Department of Oncology, Johns Hopkins School of Medicine, Baltimore, MD, USA.
| | - Maximilian F Konig
- Division of Rheumatology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Drew M Pardoll
- Department of Oncology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Chetan Bettegowda
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Katharine M Wright
- Discovery Chemistry, Merck Research Laboratory, Merck and Co, West Point, PA, USA
| | - Sandra B Gabelli
- Discovery Chemistry, Merck Research Laboratory, Merck and Co, West Point, PA, USA.
| | - Mitchell Ho
- Antibody Engineering Program, Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA.
| | | | - Shibin Zhou
- Department of Oncology, Johns Hopkins School of Medicine, Baltimore, MD, USA
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5
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Amorós-Pérez B, Rivas-Pardo B, Gómez del Moral M, Subiza JL, Martínez-Naves E. State of the Art in CAR-T Cell Therapy for Solid Tumors: Is There a Sweeter Future? Cells 2024; 13:725. [PMID: 38727261 PMCID: PMC11083689 DOI: 10.3390/cells13090725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 05/13/2024] Open
Abstract
Chimeric antigen receptor (CAR)-T cell therapy has proven to be a powerful treatment for hematological malignancies. The situation is very different in the case of solid tumors, for which no CAR-T-based therapy has yet been approved. There are many factors contributing to the absence of response in solid tumors to CAR-T cells, such as the immunosuppressive tumor microenvironment (TME), T cell exhaustion, or the lack of suitable antigen targets, which should have a stable and specific expression on tumor cells. Strategies being developed to improve CAR-T-based therapy for solid tumors include the use of new-generation CARs such as TRUCKs or bi-specific CARs, the combination of CAR therapy with chemo- or radiotherapy, the use of checkpoint inhibitors, and the use of oncolytic viruses. Furthermore, despite the scarcity of targets, a growing number of phase I/II clinical trials are exploring new solid-tumor-associated antigens. Most of these antigens are of a protein nature; however, there is a clear potential in identifying carbohydrate-type antigens associated with tumors, or carbohydrate and proteoglycan antigens that emerge because of aberrant glycosylations occurring in the context of tumor transformation.
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Affiliation(s)
- Beatriz Amorós-Pérez
- Department of Immunology, Ophthalmology and ORL, School of Medicine, Universidad Complutense of Madrid (UCM), 28040 Madrid, Spain; (B.A.-P.); (B.R.-P.)
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
- Inmunotek S.L., 28805 Madrid, Spain;
| | - Benigno Rivas-Pardo
- Department of Immunology, Ophthalmology and ORL, School of Medicine, Universidad Complutense of Madrid (UCM), 28040 Madrid, Spain; (B.A.-P.); (B.R.-P.)
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Manuel Gómez del Moral
- Department of Cellular Biology, School of Medicine, Universidad Complutense of Madrid (UCM), 28040 Madrid, Spain;
| | | | - Eduardo Martínez-Naves
- Department of Immunology, Ophthalmology and ORL, School of Medicine, Universidad Complutense of Madrid (UCM), 28040 Madrid, Spain; (B.A.-P.); (B.R.-P.)
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
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6
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Zheng M, Kumar A, Sharma V, Behl T, Sehgal A, Wal P, Shinde NV, Kawaduji BS, Kapoor A, Anwer MK, Gulati M, Shen B, Singla RK, Bungau SG. Revolutionizing pediatric neuroblastoma treatment: unraveling new molecular targets for precision interventions. Front Cell Dev Biol 2024; 12:1353860. [PMID: 38601081 PMCID: PMC11004261 DOI: 10.3389/fcell.2024.1353860] [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: 12/11/2023] [Accepted: 03/13/2024] [Indexed: 04/12/2024] Open
Abstract
Neuroblastoma (NB) is the most frequent solid tumor in pediatric cases, contributing to around 15% of childhood cancer-related deaths. The wide-ranging genetic, morphological, and clinical diversity within NB complicates the success of current treatment methods. Acquiring an in-depth understanding of genetic alterations implicated in the development of NB is essential for creating safer and more efficient therapies for this severe condition. Several molecular signatures are being studied as potential targets for developing new treatments for NB patients. In this article, we have examined the molecular factors and genetic irregularities, including those within insulin gene enhancer binding protein 1 (ISL1), dihydropyrimidinase-like 3 (DPYSL3), receptor tyrosine kinase-like orphan receptor 1 (ROR1) and murine double minute 2-tumor protein 53 (MDM2-P53) that play an essential role in the development of NB. A thorough summary of the molecular targeted treatments currently being studied in pre-clinical and clinical trials has been described. Recent studies of immunotherapeutic agents used in NB are also studied in this article. Moreover, we explore potential future directions to discover new targets and treatments to enhance existing therapies and ultimately improve treatment outcomes and survival rates for NB patients.
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Affiliation(s)
- Min Zheng
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Ankush Kumar
- Amity School of Pharmaceutical Sciences, Amity University, Mohali, Punjab, India
| | - Vishakha Sharma
- Amity School of Pharmaceutical Sciences, Amity University, Mohali, Punjab, India
| | - Tapan Behl
- Amity School of Pharmaceutical Sciences, Amity University, Mohali, Punjab, India
| | - Aayush Sehgal
- GHG Khalsa College of Pharmacy, Ludhiana, Punjab, India
| | - Pranay Wal
- Pranveer Singh Institute of Technology, Pharmacy, Kanpur, Uttar Pradesh, India
| | | | | | - Anupriya Kapoor
- School of Pharmaceutical Sciences, Chhatrapati Shahu Ji Maharaj University, Kanpur, Uttar Pradesh, India
| | - Md. Khalid Anwer
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Australian Research Consortium in Complementary and Integrative Medicine, Faculty of Health, University of Technology Sydney, Ultimo, NSW, Australia
| | - Bairong Shen
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Rajeev K. Singla
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
- Doctoral School of Biomedical Sciences, University of Oradea, Oradea, Romania
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7
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Wang R, Lin X. GPC2 as a diagnostic and prognostic marker regulated progression of colorectal cancer. Arab J Gastroenterol 2024; 25:51-57. [PMID: 38220478 DOI: 10.1016/j.ajg.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 09/12/2023] [Accepted: 11/27/2023] [Indexed: 01/16/2024]
Abstract
BACKGROUND AND STUDY AIMS Glypican 2 (GPC2) is a member of the glypican gene family and is expressed in multiple kinds of cancer. However, the function and mechanism of GPC2 in colorectal cancer remains unclear. In this study, we aimed to identify the role of GPC2 on tumor cell proliferation and survival in colorectal cancer. PATIENTS AND METHODS Ten pairs of colon cancer and matched normal colon tissues were collected in this research. GEPIA was used to analysis the GPC2 gene expression profile in TGCA data base. RT-qPCR and western blot assay were performed to determine the mRNA and protein expressions. CCK-8, Flow cytometry and colon formation assay were applied to evaluate cell viability. IHC staining was performed to evaluate the protein expression in tissues. The function of GPC2 in vivo was verified by an animal model of colon cancer. RESULTS Through the bioinformatics analysis and qRT-PCR validation, we found that GPC2 was upregulated in the colon cancer tissues and cells. GPC2 knockdown suppressed cell proliferation in vitro and in vivo was confirmed by the results of CCK-8, colony formation assays, and tumor xenograft models. Moreover, by the analysis of flow cytometry assay and gain-or-loss function experiments, we discovered that CEP164 was highly associated with the expression state of GPC2, and mediated G2/M-phase arrest in GPC2-downregulated tumor cells. CONCLUSION GPC2 might be a novel oncogenic gene in colorectal cancer, suggesting that it could be a considerable marker for the diagnosis and prognosis of colorectal cancer.
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Affiliation(s)
- Rugang Wang
- Tumors Ward 3, Harbin Chest Hospital, Harbin 150056, China
| | - Xuan Lin
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou 310000, China.
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8
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Meleshko A, Kushniarova L, Shinkevich V, Mikhaleuskaya T, Valochnik A, Proleskovskaya I. Expression Pattern of Tumor-associated Antigens in Neuroblastoma: Association With Cytogenetic Features and Survival. CANCER DIAGNOSIS & PROGNOSIS 2023; 3:695-705. [PMID: 37927813 PMCID: PMC10619573 DOI: 10.21873/cdp.10274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 09/25/2023] [Indexed: 11/07/2023]
Abstract
Background/Aim The prognosis of high-risk and relapsed neuroblastoma (NB) patients remains poor. The identification of tumor-associated markers is important for differential diagnosis, prognosis, and the development of targeted therapies. The aim of the study was to determine the expression profile of nine most common NB antigens and assess their association with clinicopathological characteristics and patient survival. Patients and Methods Tumor samples from 86 patients with NB were evaluated for the expression of tumor-associated antigen (TAA) using quantitative PCR. Twenty-one patients with benign tumors and 17 healthy donors were assigned as controls. Results Overexpression of tyrosine hydroxylase (TH), PHOX2B, PRAME, GPC2, B7-H3, and Survivin is the most typical for NB. Positive expression of MAGEA3, MAGEA1, and NY-ESO-1 at low levels was detected in 54%, 48%, and 52%, respectively, and was not NB specific. Higher TH expression was observed in samples without MYCN-amplification, while higher expression of Survivin, PHOX2B, and GPC2 was significantly associated with the presence of 1p.36 deletion. Overexpression of TH, PHOX2B, and MAGEA1 was associated with better event-free (EFS) and overall survival (OS). Survivin overexpression was associated with poor EFS but had no impact on OS. Multivariate analysis confirmed Survivin as independent marker for poor survival, and PHOX2B and MAGEA1 for better survival. Conclusion High expression of TH, PHOX2B, and MAGEA1 genes are favorable prognostic factors for OS and EFS, whereas high expression of Survivin is associated with an increased risk of relapse or progression.
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Affiliation(s)
- Alexander Meleshko
- Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
| | - Lizaveta Kushniarova
- Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
| | | | - Taisia Mikhaleuskaya
- Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
| | - Alena Valochnik
- Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
| | - Inna Proleskovskaya
- Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
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9
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Dev Tripathi A, Katiyar S, Mishra A. Glypican1: a potential cancer biomarker for nanotargeted therapy. Drug Discov Today 2023:103660. [PMID: 37301249 DOI: 10.1016/j.drudis.2023.103660] [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: 03/13/2023] [Revised: 05/11/2023] [Accepted: 06/05/2023] [Indexed: 06/12/2023]
Abstract
Glypicans (GPCs) are generally involved in cellular signaling, growth and proliferation. Previous studies reported their roles in cancer proliferation. GPC1 is a co-receptor for a variety of growth-related ligands, thereby stimulating the tumor microenvironment by promoting angiogenesis and epithelial-mesenchymal transition (EMT). This work reviews GPC1-biomarker-assisted drug discovery by the application of nanostructured materials, creating nanotheragnostics for targeted delivery and application in liquid biopsies. The review includes details of GPC1 as a potential biomarker in cancer progression as well as a potential candidate for nano-mediated drug discovery.
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Affiliation(s)
- Abhay Dev Tripathi
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India
| | - Soumya Katiyar
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India
| | - Abha Mishra
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India.
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10
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Li N, Quan A, Li D, Pan J, Ren H, Hoeltzel G, de Val N, Ashworth D, Ni W, Zhou J, Mackay S, Hewitt SM, Cachau R, Ho M. The IgG4 hinge with CD28 transmembrane domain improves V HH-based CAR T cells targeting a membrane-distal epitope of GPC1 in pancreatic cancer. Nat Commun 2023; 14:1986. [PMID: 37031249 PMCID: PMC10082787 DOI: 10.1038/s41467-023-37616-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 03/23/2023] [Indexed: 04/10/2023] Open
Abstract
Heterogeneous antigen expression is a key barrier influencing the activity of chimeric antigen receptor (CAR) T cells in solid tumors. Here, we develop CAR T cells targeting glypican-1 (GPC1), an oncofetal antigen expressed in pancreatic cancer. We report the generation of dromedary camel VHH nanobody (D4)-based CAR T cells targeting GPC1 and the optimization of the hinge (H) and transmembrane domain (TM) to improve activity. We find that a structurally rigid IgG4H and CD28TM domain brings the two D4 fragments in proximity, driving CAR dimerization and leading to enhanced T-cell signaling and tumor regression in pancreatic cancer models with low antigen density in female mice. Furthermore, single-cell-based proteomic and transcriptomic analysis of D4-IgG4H-CD28TM CAR T cells reveals specific genes (e.g., HMGB1) associated with high T-cell polyfunctionality. This study demonstrates the potential of VHH-based CAR T for pancreatic cancer therapy and provides an engineering strategy for developing potent CAR T cells targeting membrane-distal epitopes.
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Affiliation(s)
- Nan Li
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Alex Quan
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Dan Li
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Jiajia Pan
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Hua Ren
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Gerard Hoeltzel
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Natalia de Val
- Center for Molecular Microscopy, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA
| | | | - Weiming Ni
- IsoPlexis Corporation, Branford, CT, 06405, USA
| | - Jing Zhou
- IsoPlexis Corporation, Branford, CT, 06405, USA
| | - Sean Mackay
- IsoPlexis Corporation, Branford, CT, 06405, USA
| | - Stephen M Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Raul Cachau
- Integrated Data Science Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA.
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11
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Li M, Zhang X, Liu J, Zhou C, Miao L, He J, Wu H, Zhang R. Association between GPC2 polymorphisms and neuroblastoma risk in Chinese children. J Clin Lab Anal 2023; 37:e24866. [PMID: 36920409 PMCID: PMC10098060 DOI: 10.1002/jcla.24866] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/28/2023] [Accepted: 03/04/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND The cell surface glycoprotein glypican 2 (GPC2) has been shown to increase susceptibility to neuroblastoma, which is the most common malignancy in children. However, associations between single nucleotide polymorphism(s) of GPC2 and neuroblastoma risk remain unclarified. METHODS We conducted a case-control study to investigate two GPC2 polymorphisms (rs1918353 G>A and rs7799441 C>T) in 473 healthy controls and 402 pediatric patients with neuroblastoma. Single nucleotide polymorphism (SNP) genotyping was conducted on the samples by the TaqMan technique, and the data were subsequently analyzed by the t test, chi-squared test, and logistic regression model. In addition, we further performed stratification analysis by age, sex, tumor site of origin, or clinical stage to control confounding factors. RESULTS According to the data of dominant models (GA/AA vs. GG: adjusted OR = 0.99, 95% CI = 0.76-1.29, p = 0.943; CT/TT vs. CC: adjusted OR = 0.91, 95% CI = 0.70-1.19, p = 0.498) or other comparisons, as well as the conjoint analysis (adjusted OR = 1.22, 95% CI = 0.93-1.59, p = 0.152), we unfortunately proved that the analysis of single or multiple loci did not support any significant association of GPC2 polymorphisms with susceptibility to neuroblastoma. CONCLUSION GPC2 polymorphisms (rs1918353 G>A and rs7799441 C>T) are unable to statistically affect neuroblastoma risk in Chinese children. Therefore, more samples, especially from patients of various ethnic backgrounds, are required to increase the sample size and verify the effect of GPC2 polymorphisms on neuroblastoma risk in the presence of ethnic factor.
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Affiliation(s)
- Meng Li
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
| | - Xinxin Zhang
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
| | - Jiabin Liu
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
| | - Chunlei Zhou
- Department of Pathology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Lei Miao
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
| | - Jing He
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
| | - Haiyan Wu
- Department of Pathology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Ruizhong Zhang
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
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12
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Ahmad MH, Ghosh B, Rizvi MA, Ali M, Kaur L, Mondal AC. Neural crest cells development and neuroblastoma progression: Role of Wnt signaling. J Cell Physiol 2023; 238:306-328. [PMID: 36502519 DOI: 10.1002/jcp.30931] [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: 05/12/2022] [Revised: 09/19/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Neuroblastoma (NB) is one of the most common heterogeneous extracranial cancers in infancy that arises from neural crest (NC) cells of the sympathetic nervous system. The Wnt signaling pathway, both canonical and noncanonical pathway, is a highly conserved signaling pathway that regulates the development and differentiation of the NC cells during embryogenesis. Reports suggest that aberrant activation of Wnt ligands/receptors in Wnt signaling pathways promote progression and relapse of NB. Wnt signaling pathways regulate NC induction and migration in a similar manner; it regulates proliferation and metastasis of NB. Inhibiting the Wnt signaling pathway or its ligands/receptors induces apoptosis and abrogates proliferation and tumorigenicity in all major types of NB cells. Here, we comprehensively discuss the Wnt signaling pathway and its mechanisms in regulating the development of NC and NB pathogenesis. This review highlights the implications of aberrant Wnt signaling in the context of etiology, progression, and relapse of NB. We have also described emerging strategies for Wnt-based therapies against the progression of NB that will provide new insights into the development of Wnt-based therapeutic strategies for NB.
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Affiliation(s)
- Mir Hilal Ahmad
- School of Life Sciences, Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India.,Genome Biology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | - Balaram Ghosh
- Department of Clinical Pharmacology, Midnapore Medical College & Hospital, West Bengal, Medinipur, India
| | - Moshahid Alam Rizvi
- Genome Biology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | - Mansoor Ali
- School of Life Sciences, Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Loveleena Kaur
- Division of Cancer Pharmacology, Indian Institute of Integrative Medicine (IIIM), Srinagar, India
| | - Amal Chandra Mondal
- School of Life Sciences, Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
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13
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Sun M, Cao Y, Okada R, Reyes-González JM, Stack HG, Qin H, Li N, Seibert C, Kelly MC, Ruppin E, Ho M, Thiele CJ, Nguyen R. Preclinical optimization of a GPC2-targeting CAR T-cell therapy for neuroblastoma. J Immunother Cancer 2023; 11:e005881. [PMID: 36631162 PMCID: PMC9835961 DOI: 10.1136/jitc-2022-005881] [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] [Subscribe] [Scholar Register] [Accepted: 12/30/2022] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Although most patients with newly diagnosed high-risk neuroblastoma (NB) achieve remission after initial therapy, more than 50% experience late relapses caused by minimal residual disease (MRD) and succumb to their cancer. Therapeutic strategies to target MRD may benefit these children. We developed a new chimeric antigen receptor (CAR) targeting glypican-2 (GPC2) and conducted iterative preclinical engineering of the CAR structure to maximize its anti-tumor efficacy before clinical translation. METHODS We evaluated different GPC2-CAR constructs by measuring the CAR activity in vitro. NOD-SCID mice engrafted orthotopically with human NB cell lines or patient-derived xenografts and treated with human CAR T cells served as in vivo models. Mechanistic studies were performed using single-cell RNA-sequencing. RESULTS Applying stringent in vitro assays and orthotopic in vivo NB models, we demonstrated that our single-chain variable fragment, CT3, integrated into a CAR vector with a CD28 hinge, CD28 transmembrane, and 4-1BB co-stimulatory domain (CT3.28H.BBζ) elicits the best preclinical anti-NB activity compared with other tested CAR constructs. This enhanced activity was associated with an enrichment of CD8+ effector T cells in the tumor-microenvironment and upregulation of several effector molecules such as GNLY, GZMB, ZNF683, and HMGN2. Finally, we also showed that the CT3.28H.BBζ CAR we developed was more potent than a recently clinically tested GD2-targeted CAR to control NB growth in vivo. CONCLUSION Given the robust preclinical activity of CT3.28H.BBζ, these results form a promising basis for further clinical testing in children with NB.
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Affiliation(s)
- Ming Sun
- Pediatric Oncology Branch, NCI, Bethesda, Maryland, USA
| | - Yingying Cao
- Cancer Data Science Laboratory, NCI, Bethesda, Maryland, USA
| | - Reona Okada
- Pediatric Oncology Branch, NCI, Bethesda, Maryland, USA
| | | | | | - Haiying Qin
- Pediatric Oncology Branch, NCI, Bethesda, Maryland, USA
| | - Nan Li
- Laboratory of Molecular Biology, National Institutes of Health, Bethesda, Maryland, USA
| | - Charlie Seibert
- Center for Cancer Research Single Cell Analysis Facility, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Michael C Kelly
- Single Cell Analysis Facility, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - Eytan Ruppin
- Cancer Data Science Laboratory, NCI, Bethesda, Maryland, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, National Institutes of Health, Bethesda, Maryland, USA
| | | | - Rosa Nguyen
- Pediatric Oncology Branch, NCI, Bethesda, Maryland, USA
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14
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Chemistry and Function of Glycosaminoglycans in the Nervous System. ADVANCES IN NEUROBIOLOGY 2023; 29:117-162. [DOI: 10.1007/978-3-031-12390-0_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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15
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Zhang YF, Sun Y, Hong J, Ho M. Humanization of the Shark V NAR Single Domain Antibody Using CDR Grafting. Curr Protoc 2023; 3:e630. [PMID: 36594750 PMCID: PMC9813873 DOI: 10.1002/cpz1.630] [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] [Indexed: 01/04/2023]
Abstract
The variable domain of the new antigen receptor (VNAR ) of shark single domain antibodies is evolutionarily distant from the variable regions (VH ) of mammalian immunoglobulins, yet it still has complementarity-determining regions (CDRs) that are involved in antigen recognition, therefore making it possible to humanize by grafting these CDRs to the framework of human VH homologs. Here, we show the VNAR CDR based on an analysis of currently available VNAR -antigen structure complexes in the global Protein Data Bank archive of 3D structure data, and describe the detailed protocol to humanize VNAR by CDR grafting, using B6 (an anti-Pseudomonas exotoxin VNAR ), the most common type (Type II) of shark VNAR s, as an example. Ongoing efforts will further optimize the protocol for moving shark VNAR s to the clinic for treating cancer and other human diseases. Published 2023. This article is a U.S. Government work and is in the public domain in the USA. Basic Protocol: Humanize shark VNAR sequence by CDR grafting Support Protocol 1: VNAR structure prediction and comparison Support Protocol 2: Measure binding kinetics of humanized VNAR using bio-layer interferometry (BLI).
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Affiliation(s)
- Yi-Fan Zhang
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
| | - Yaping Sun
- Antibody Engineering Program, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
| | - Jessica Hong
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
- Antibody Engineering Program, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
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16
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Safarzadeh Kozani P, Naseri A, Mirarefin SMJ, Salem F, Nikbakht M, Evazi Bakhshi S, Safarzadeh Kozani P. Nanobody-based CAR-T cells for cancer immunotherapy. Biomark Res 2022; 10:24. [DOI: https:/doi.org/10.1186/s40364-022-00371-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/29/2022] [Indexed: 09/15/2023] Open
Abstract
AbstractChimeric antigen receptor T-cell (CAR-T) therapy is the result of combining genetic engineering-based cancer immunotherapy with adoptive cell therapy (ACT). CAR-T therapy has been successful in treating various types of hematological cancers. CARs are receptors made of an extracellular domain, a membrane-spanning domain, and an intracellular domain. The extracellular domain of CARs harbors an antigen-targeting domain responsible for recognizing and binding cell surface-expressed target antigens. Conventionally, the single-chain fragment variable (scFv) of a monoclonal antibody (mAb) is used as the antigen-targeting domain of CARs. However, of late, researchers have exploited nanobodies for this aim based on numerous rationales including the small size of nanobodies, their stability, specificity, and high affinity, and their easy and feasible development process. Many findings have confirmed that nanobody-based CAR-Ts can be as functional as scFv-based CAR-Ts in preclinical and clinical settings. In this review, we discuss the advantages and disadvantages of scFvs and nanobodies in regards to their application as the targeting domain of CARs. Ultimately, we discuss various CAR target antigens which have been targeted using nanobody-based CAR-T cells for the treatment of different types of malignancies.
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17
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Ma J, Xu X, Fu C, Xia P, Tian M, Zheng L, Chen K, Liu X, Li Y, Yu L, Zhu Q, Yu Y, Fan R, Jiang H, Li Z, Yang C, Xu C, Long Y, Wang J, Li Z. CDH17 nanobodies facilitate rapid imaging of gastric cancer and efficient delivery of immunotoxin. Biomater Res 2022; 26:64. [PMID: 36435809 PMCID: PMC9701387 DOI: 10.1186/s40824-022-00312-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/27/2022] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND It is highly desirable to develop new therapeutic strategies for gastric cancer given the low survival rate despite improvement in the past decades. Cadherin 17 (CDH17) is a membrane protein highly expressed in cancers of digestive system. Nanobody represents a novel antibody format for cancer targeted imaging and drug delivery. Nanobody targeting CHD17 as an imaging probe and a delivery vehicle of toxin remains to be explored for its theragnostic potential in gastric cancer. METHODS Naïve nanobody phage library was screened against CDH17 Domain 1-3 and identified nanobodies were extensively characterized with various assays. Nanobodies labeled with imaging probe were tested in vitro and in vivo for gastric cancer detection. A CDH17 Nanobody fused with toxin PE38 was evaluated for gastric cancer inhibition in vitro and in vivo. RESULTS Two nanobodies (A1 and E8) against human CDH17 with high affinity and high specificity were successfully obtained. These nanobodies could specifically bind to CDH17 protein and CDH17-positive gastric cancer cells. E8 nanobody as a lead was extensively determined for tumor imaging and drug delivery. It could efficiently co-localize with CDH17-positive gastric cancer cells in zebrafish embryos and rapidly visualize the tumor mass in mice within 3 h when conjugated with imaging dyes. E8 nanobody fused with toxin PE38 showed excellent anti-tumor effect and remarkably improved the mice survival in cell-derived (CDX) and patient-derived xenograft (PDX) models. The immunotoxin also enhanced the anti-tumor effect of clinical drug 5-Fluorouracil. CONCLUSIONS The study presents a novel imaging and drug delivery strategy by targeting CDH17. CDH17 nanobody-based immunotoxin is potentially a promising therapeutic modality for clinical translation against gastric cancer.
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Affiliation(s)
- Jingbo Ma
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China.,College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, P. R. China
| | - Xiaolong Xu
- Department of Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China
| | - Chunjin Fu
- Department of Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China
| | - Peng Xia
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China.,Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430072, Hubei, P. R. China
| | - Ming Tian
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China.,Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430072, Hubei, P. R. China
| | - Liuhai Zheng
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China
| | - Kun Chen
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China
| | - Xiaolian Liu
- Clinical Pharmacy Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, P. R. China
| | - Yilei Li
- Clinical Pharmacy Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, P. R. China
| | - Le Yu
- Clinical Pharmacy Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, P.R. China
| | - Qinchang Zhu
- College of Pharmacy, Shenzhen Technology University, Shenzhen, 518118, P.R. China
| | - Yangyang Yu
- Health Science Center, Shenzhen University, Shenzhen, 518055, Guangdong, P. R. China
| | - Rongrong Fan
- Deapartment of Biosciences and Nutrition, Karolinska Institute, 14157, Stockholm, Sweden
| | - Haibo Jiang
- Department of Chemistry, The University of Hong Kong, Pok Fu Lam, Hong Kong, P. R. China
| | - Zhifen Li
- School of Chemistry and Chemical Engineering, Shanxi Datong University, Xing Yun Street, Pingcheng District, Datong, 037009, Shanxi, P. R. China
| | - Chuanbin Yang
- Department of Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China
| | - Chengchao Xu
- Department of Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China
| | - Ying Long
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China.
| | - Jigang Wang
- Department of Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China. .,Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, P.R. China. .,Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, P. R. China.
| | - Zhijie Li
- Department of Hyperbaric Medicine, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China. .,Department of Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, P. R. China.
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18
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Horwacik I. The Extracellular Matrix and Neuroblastoma Cell Communication-A Complex Interplay and Its Therapeutic Implications. Cells 2022; 11:cells11193172. [PMID: 36231134 PMCID: PMC9564247 DOI: 10.3390/cells11193172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/04/2022] [Accepted: 10/06/2022] [Indexed: 11/16/2022] Open
Abstract
Neuroblastoma (NB) is a pediatric neuroendocrine neoplasm. It arises from the sympatho-adrenal lineage of neural-crest-derived multipotent progenitor cells that fail to differentiate. NB is the most common extracranial tumor in children, and it manifests undisputed heterogeneity. Unsatisfactory outcomes of high-risk (HR) NB patients call for more research to further inter-relate treatment and molecular features of the disease. In this regard, it is well established that in the tumor microenvironment (TME), malignant cells are engaged in complex and dynamic interactions with the extracellular matrix (ECM) and stromal cells. The ECM can be a source of both pro- and anti-tumorigenic factors to regulate tumor cell fate, such as survival, proliferation, and resistance to therapy. Moreover, the ECM composition, organization, and resulting signaling networks are vastly remodeled during tumor progression and metastasis. This review mainly focuses on the molecular mechanisms and effects of interactions of selected ECM components with their receptors on neuroblastoma cells. Additionally, it describes roles of enzymes modifying and degrading ECM in NB. Finally, the article gives examples on how the knowledge is exploited for prognosis and to yield new treatment options for NB patients.
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Affiliation(s)
- Irena Horwacik
- Laboratory of Molecular Genetics and Virology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Kraków, Poland
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19
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Busato D, Mossenta M, Dal Bo M, Macor P, Toffoli G. The Proteoglycan Glypican-1 as a Possible Candidate for Innovative Targeted Therapeutic Strategies for Pancreatic Ductal Adenocarcinoma. Int J Mol Sci 2022; 23:ijms231810279. [PMID: 36142190 PMCID: PMC9499405 DOI: 10.3390/ijms231810279] [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: 08/03/2022] [Revised: 09/02/2022] [Accepted: 09/04/2022] [Indexed: 11/19/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) accounts for 90% of all pancreatic cancers, with a 5-year survival rate of 7% and 80% of patients diagnosed with advanced or metastatic malignancies. Despite recent advances in diagnostic testing, surgical techniques, and systemic therapies, there remain limited options for the effective treatment of PDAC. There is an urgent need to develop targeted therapies that are able to differentiate between cancerous and non-cancerous cells to reduce side effects and better inhibit tumor growth. Antibody-targeted strategies are a potentially effective option for introducing innovative therapies. Antibody-based immunotherapies and antibody-conjugated nanoparticle-based targeted therapies with antibodies targeting specific tumor-associated antigens (TAA) can be proposed. In this context, glypican-1 (GPC1), which is highly expressed in PDAC and not expressed or expressed at very low levels in non-malignant lesions and healthy pancreatic tissues, is a useful TAA that can be achieved by a specific antibody-based immunotherapy and antibody-conjugated nanoparticle-based targeted therapy. In this review, we describe the main clinical features of PDAC. We propose the proteoglycan GPC1 as a useful TAA for PDAC-targeted therapies. We also provide a digression on the main developed approaches of antibody-based immunotherapy and antibody-conjugated nanoparticle-based targeted therapy, which can be used to target GPC1.
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Affiliation(s)
- Davide Busato
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
- Correspondence: ; Tel.: +39-0434-659816
| | - Monica Mossenta
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Michele Dal Bo
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy
| | - Paolo Macor
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy
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20
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Foster JB, Griffin C, Rokita JL, Stern A, Brimley C, Rathi K, Lane MV, Buongervino SN, Smith T, Madsen PJ, Martinez D, Delaidelli A, Sorensen PH, Wechsler-Reya RJ, Karikó K, Storm PB, Barrett DM, Resnick AC, Maris JM, Bosse KR. Development of GPC2-directed chimeric antigen receptors using mRNA for pediatric brain tumors. J Immunother Cancer 2022; 10:e004450. [PMID: 36167467 PMCID: PMC9516314 DOI: 10.1136/jitc-2021-004450] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Pediatric brain tumors are the leading cause of cancer death in children with an urgent need for innovative therapies. Glypican 2 (GPC2) is a cell surface oncoprotein expressed in neuroblastoma for which targeted immunotherapies have been developed. This work aimed to characterize GPC2 expression in pediatric brain tumors and develop an mRNA CAR T cell approach against this target. METHODS We investigated GPC2 expression across a cohort of primary pediatric brain tumor samples and cell lines using RNA sequencing, immunohistochemistry, and flow cytometry. To target GPC2 in the brain with adoptive cellular therapies and mitigate potential inflammatory neurotoxicity, we used optimized mRNA to create transient chimeric antigen receptor (CAR) T cells. We developed four mRNA CAR T cell constructs using the highly GPC2-specific fully human D3 single chain variable fragment for preclinical testing. RESULTS We identified high GPC2 expression across multiple pediatric brain tumor types including medulloblastomas, embryonal tumors with multilayered rosettes, other central nervous system embryonal tumors, as well as definable subsets of highly malignant gliomas. We next validated and prioritized CAR configurations using in vitro cytotoxicity assays with GPC2-expressing neuroblastoma cells, where the light-to-heavy single chain variable fragment configurations proved to be superior. We expanded the testing of the two most potent GPC2-directed CAR constructs to GPC2-expressing medulloblastoma and high-grade glioma cell lines, showing significant GPC2-specific cell death in multiple models. Finally, biweekly locoregional delivery of 2-4 million GPC2-directed mRNA CAR T cells induced significant tumor regression in an orthotopic medulloblastoma model and significantly prolonged survival in an aggressive orthotopic thalamic diffuse midline glioma xenograft model. No GPC2-directed CAR T cell related neurologic or systemic toxicity was observed. CONCLUSION Taken together, these data show that GPC2 is a highly differentially expressed cell surface protein on multiple malignant pediatric brain tumors that can be targeted safely with local delivery of mRNA CAR T cells, laying the framework for the clinical translation of GPC2-directed immunotherapies for pediatric brain tumors.
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Affiliation(s)
- Jessica B Foster
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Crystal Griffin
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Jo Lynne Rokita
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Bioinformatics and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Division of Neurosurgery, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Allison Stern
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Cameron Brimley
- Division of Neurosurgery, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Komal Rathi
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Bioinformatics and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Maria V Lane
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Samantha N Buongervino
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Tiffany Smith
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Peter J Madsen
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Division of Neurosurgery, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Daniel Martinez
- Department of Pathology & Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Alberto Delaidelli
- Department of Pathology & Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Poul H Sorensen
- Department of Pathology & Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Robert J Wechsler-Reya
- Tumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | | | - Phillip B Storm
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Division of Neurosurgery, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Neurosurgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | | | - Adam C Resnick
- Center for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Division of Neurosurgery, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - John M Maris
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Kristopher R Bosse
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
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21
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Kines RC, Schiller JT. Harnessing Human Papillomavirus' Natural Tropism to Target Tumors. Viruses 2022; 14:1656. [PMID: 36016277 PMCID: PMC9413966 DOI: 10.3390/v14081656] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 02/06/2023] Open
Abstract
Human papillomaviruses (HPV) are small non-enveloped DNA tumor viruses established as the primary etiological agent for the development of cervical cancer. Decades of research have elucidated HPV's primary attachment factor to be heparan sulfate proteoglycans (HSPG). Importantly, wounding and exposure of the epithelial basement membrane was found to be pivotal for efficient attachment and infection of HPV in vivo. Sulfation patterns on HSPG's become modified at the site of wounds as they serve an important role promoting tissue healing, cell proliferation and neovascularization and it is these modifications recognized by HPV. Analogous HSPG modification patterns can be found on tumor cells as they too require the aforementioned processes to grow and metastasize. Although targeting tumor associated HSPG is not a novel concept, the use of HPV to target and treat tumors has only been realized in recent years. The work herein describes how decades of basic HPV research has culminated in the rational design of an HPV-based virus-like infrared light activated dye conjugate for the treatment of choroidal melanoma.
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Affiliation(s)
| | - John T. Schiller
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA;
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22
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Tian M, Cheuk AT, Wei JS, Abdelmaksoud A, Chou HC, Milewski D, Kelly MC, Song YK, Dower CM, Li N, Qin H, Kim YY, Wu JT, Wen X, Benzaoui M, Masih KE, Wu X, Zhang Z, Badr S, Taylor N, Croix BS, Ho M, Khan J. An optimized bicistronic chimeric antigen receptor against GPC2 or CD276 overcomes heterogeneous expression in neuroblastoma. J Clin Invest 2022; 132:155621. [PMID: 35852863 PMCID: PMC9374382 DOI: 10.1172/jci155621] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 06/28/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Meijie Tian
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Adam T. Cheuk
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Jun S. Wei
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Abdalla Abdelmaksoud
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
- Advanced Biomedical Computational Science, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Hsien-Chao Chou
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - David Milewski
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Michael C. Kelly
- Single Cell Analysis Facility, Center for Cancer Research, NIH, Bethesda, Maryland, USA
| | - Young K. Song
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Christopher M. Dower
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, Maryland, USA
| | - Nan Li
- Laboratory of Molecular Biology, Center for Cancer Research and
| | - Haiying Qin
- Pediatric Oncology Branch, Center for Cancer Research, NCI, NIH, Bethesda, Maryland, USA
| | - Yong Yean Kim
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Jerry T. Wu
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Xinyu Wen
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
| | - Mehdi Benzaoui
- Pediatric Oncology Branch, Center for Cancer Research, NCI, NIH, Bethesda, Maryland, USA
| | - Katherine E. Masih
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Xiaolin Wu
- Cancer Research Technology Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Zhongmei Zhang
- Experimental Immunology Branch, Center for Cancer Research, NCI, NIH, Bethesda, Maryland, USA
| | - Sherif Badr
- Experimental Immunology Branch, Center for Cancer Research, NCI, NIH, Bethesda, Maryland, USA
| | - Naomi Taylor
- Pediatric Oncology Branch, Center for Cancer Research, NCI, NIH, Bethesda, Maryland, USA
| | - Brad St. Croix
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, Maryland, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research and
| | - Javed Khan
- Genetics Branch, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland, USA
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23
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Wang SY, Zhao LN, Cheng H, Shi M, Chen W, Qi KM, Sun C, Wang X, Cao J, Xu KL. [Long-term safety and activity of humanized CD19 chimeric antigen receptor T cells for children and young adults with relapsed/refractory acute lymphoblastic leukemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:557-561. [PMID: 36709132 PMCID: PMC9395560 DOI: 10.3760/cma.j.issn.0253-2727.2022.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Indexed: 11/17/2022]
Abstract
Objective: To investigate the efficacy and safety of humanized CD19-specific chimeric antigen receptor T cells (hCART19s) in treating children and young adults with relapsed/refractory acute lymphoblastic leukemia (R/R ALL) and to analyze relevant factors affecting its curative effect and prognosis. Methods: We conducted a single-center clinical trial involving 31 children and young adult patients with R/R B-ALL who were treated with humanized CD19-specific CAR-T cells (hCART19s) from May 2016 to September 2021. Results: Results showed that 27 (87.1%) patients achieved complete remission (CR) or CR with incomplete count recovery (CRi) one month after CAR-T cell infusion. During treatment, 20 (64.5%) patients developed grade 1-2 cytokine release syndrome (CRS) , and 4 (12.9%) developed grade 3 CRS. Additionally, two patients had grade 1 neurological events. During the follow-up with a median time of 19.3 months, the median event-free survival (EFS) was 15.7 months (95% CI 8.7-22.5) , and the median overall survival (OS) was 32.2 months (95% CI 10.6-53.9) . EFS and OS rates were higher in patients who have undergone hemopoietic stem cell transplantation (HSCT) than in those without [EFS: (75.0 ± 12.5) % vs (21.1 ± 9.4) %, P=0.012; OS: (75.0 ± 12.5) % vs (24.6 ± 10.2) %, P=0.035]. The EFS and OS rates were significantly lower in patients with >3 treatment lines than in those with <3 treatment lines [EFS: 0 vs (49.5±10.4) %, P<0.001; OS: 0 vs (52.0±10.8) %, P<0.001]. To the cutoff date, 12 patients presented with CD19(+) relapse, and 1 had CD19(-) relapse. Conclusion: hCART19s are effective in treating pediatric and young adult R/R ALL patients, with a low incidence of severe adverse events and reversible symptoms. Following HSCT, the number of treatment lines can affect the long-term efficacy and prognosis of pediatric and young adult R/R ALL patients.
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Affiliation(s)
- S Y Wang
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - L N Zhao
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - H Cheng
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - M Shi
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - W Chen
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - K M Qi
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - C Sun
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - X Wang
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - J Cao
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - K L Xu
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
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24
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Liu C, Li L, Gao F, Zhou J, Qin Y, Yuan X, Yang G, Zhu Y. Reforming the Chimeric Antigen Receptor by Peptide Towards Optimized CAR T Cells With Enhanced Anti-Cancer Potency and Safety. Front Bioeng Biotechnol 2022; 10:928169. [PMID: 35782491 PMCID: PMC9247402 DOI: 10.3389/fbioe.2022.928169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 05/25/2022] [Indexed: 11/29/2022] Open
Abstract
The emerging chimeric antigen receptor (CAR) T cell revolutionized the clinic treatment of hematological cancers, but meet its Waterloo in solid tumor therapy. Although there exist many reasons for this limitation, one of the largest challenges is the scarcity of recognition for tumor cells, resulting in the undesirable side effects and the subsequent ineffectiveness. To overcome it, a lung-cancer-cell-targeting peptide termed A1 was used in this work to reform the scFv domain of CAR by genetic manipulation. As a result, this modified A1CAR T exhibited the optimized cancer-cell targeting and cytotoxicity in vitro and in vivo. More importantly, by tuning the sensitivity of CAR to antigen, peptide-based A1CAR T cells could distinguish tumors from normal tissue, thereby eliminating the off-tumor toxicity in healthy organs. Collectively, we herein constructed a genetic peptide-engineered CAR T cells by inserting A1 peptide into the scFv domain. Profitted from the optimized recognition pattern and sensitivity, A1CAR T cells showed the ascendancy in solid tumor treatment. Our findings demonstrate that peptide-based CAR T holds great potential in solid tumor therapy due to an excellent targeting ability towards tumor cells.
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Affiliation(s)
- Cuijuan Liu
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, China
| | - Lin Li
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, China
| | - Fan Gao
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, China
| | - Jundong Zhou
- Nanjing Medical University, Affiliated Suzhou Hospital, Department Radio Oncology, Suzhou, China
| | - Yingzhou Qin
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, China
| | - Xin Yuan
- School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, China
| | - Guang Yang
- Department of Oncology, Suzhou BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Suzhou, China
- *Correspondence: Guang Yang, ; Yimin Zhu,
| | - Yimin Zhu
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, China
- *Correspondence: Guang Yang, ; Yimin Zhu,
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25
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Safarzadeh Kozani P, Naseri A, Mirarefin SMJ, Salem F, Nikbakht M, Evazi Bakhshi S, Safarzadeh Kozani P. Nanobody-based CAR-T cells for cancer immunotherapy. Biomark Res 2022; 10:24. [PMID: 35468841 PMCID: PMC9036779 DOI: 10.1186/s40364-022-00371-7] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/29/2022] [Indexed: 12/23/2022] Open
Abstract
Chimeric antigen receptor T-cell (CAR-T) therapy is the result of combining genetic engineering-based cancer immunotherapy with adoptive cell therapy (ACT). CAR-T therapy has been successful in treating various types of hematological cancers. CARs are receptors made of an extracellular domain, a membrane-spanning domain, and an intracellular domain. The extracellular domain of CARs harbors an antigen-targeting domain responsible for recognizing and binding cell surface-expressed target antigens. Conventionally, the single-chain fragment variable (scFv) of a monoclonal antibody (mAb) is used as the antigen-targeting domain of CARs. However, of late, researchers have exploited nanobodies for this aim based on numerous rationales including the small size of nanobodies, their stability, specificity, and high affinity, and their easy and feasible development process. Many findings have confirmed that nanobody-based CAR-Ts can be as functional as scFv-based CAR-Ts in preclinical and clinical settings. In this review, we discuss the advantages and disadvantages of scFvs and nanobodies in regards to their application as the targeting domain of CARs. Ultimately, we discuss various CAR target antigens which have been targeted using nanobody-based CAR-T cells for the treatment of different types of malignancies.
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Affiliation(s)
- Pouya Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Abdolhossein Naseri
- School of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | | | - Faeze Salem
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mojtaba Nikbakht
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sahar Evazi Bakhshi
- Department of Anatomical Sciences, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Pooria Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
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26
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Finding New Ways How to Control BACE1. J Membr Biol 2022; 255:293-318. [PMID: 35305135 DOI: 10.1007/s00232-022-00225-1] [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: 02/02/2022] [Accepted: 02/24/2022] [Indexed: 01/18/2023]
Abstract
Recently, all applications of BACE1 inhibitors failed as therapeutical targets for Alzheimer´s disease (AD) due to severe side effects. Therefore, alternative ways for treatment development are a hot research topic. The present analysis investigates BACE1 protein-protein interaction networks and attempts to solve the absence of complete knowledge about pathways involving BACE1. A bioinformatics analysis matched the functions of the non-substrate interaction network with Voltage-gated potassium channels, which also appear as top priority protein nodes. Targeting BACE1 interactions with PS1 and GGA-s, blocking of BACE1 access to APP by BRI3 and RTN-s, activation of Wnt signaling and upregulation of β-catenin, and brain delivery of the extracellular domain of p75NTR, are the main alternatives to the use of BACE 1 inhibitors highlighted by the analysis. The pathway enrichment analysis also emphasized substrates and substrate candidates with essential biological functions, which cleavage must remain controlled. They include ephrin receptors, ROBO1, ROBO2, CNTN-s, CASPR-s, CD147, CypB, TTR, APLP1/APLP2, NRXN-s, and PTPR-s. The analysis of the interaction subnetwork of BACE1 functionally related to inflammation identified a connection to three cardiomyopathies, which supports the hypothesis of the common molecular mechanisms with AD. A lot of potential shows the regulation of BACE1 activity through post-translational modifications. The interaction network of BACE1 and its phosphorylation enzyme CSNK1D functionally match the Circadian clock, p53, and Hedgehog signaling pathways. The regulation of BACE1 glycosylation could be achieved through N-acetylglucosamine transferases, α-(1→6)-fucosyltransferase, β-galactoside α-(2→6)-sialyltransferases, galactosyltransferases, and mannosidases suggested by the interaction network analysis of BACE1-MGAT3. The present analysis proposes possibilities for the alternative control of AD pathology.
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27
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Li D, English H, Hong J, Liang T, Merlino G, Day CP, Ho M. A novel PD-L1-targeted shark V NAR single-domain-based CAR-T cell strategy for treating breast cancer and liver cancer. Mol Ther Oncolytics 2022; 24:849-863. [PMID: 35317524 PMCID: PMC8917269 DOI: 10.1016/j.omto.2022.02.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 02/15/2022] [Indexed: 12/13/2022] Open
Abstract
Chimeric antigen receptor (CAR)-T cell therapy shows excellent potency against hematological malignancies, but it remains challenging to treat solid tumors, mainly because of a lack of appropriate antigenic targets and an immunosuppressive tumor microenvironment (TME). The checkpoint molecule programmed death-ligand 1 (PD-L1) is widely overexpressed in multiple tumor types, and the programmed death-ligand 1 (PD-1)/PD-L1 interaction is a crucial mediator of immunosuppression in the TME. Here we constructed a semi-synthetic shark VNAR phage library and isolated anti-PD-L1 single-domain antibodies. Among these VNARs, B2 showed cross-reactivity to human, mouse, and canine PD-L1, and it partially blocked the interaction of human PD-1 with PD-L1. CAR (B2) T cells specifically lysed human breast cancer and liver cancer cells by targeting constitutive and inducible expression of PD-L1 and hindered tumor metastasis. Combination of PD-L1 CAR (B2) T cells with CAR T cells targeted by GPC3 (a liver cancer-specific antigen) regresses liver tumors in mice. We concluded that PD-L1-targeted shark VNAR single-domain-based CAR-T therapy is a novel strategy to treat breast and liver cancer. This study provides a rationale for potential use of PD-L1 CAR-T cells as a monotherapy or in combination with a tumor-specific therapy in clinical studies.
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Affiliation(s)
- Dan Li
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Hejiao English
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Jessica Hong
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Tianyuzhou Liang
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Glenn Merlino
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Chi-Ping Day
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
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28
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Velazquez EJ, Cress JD, Humpherys TB, Mortimer TO, Bellini DM, Skidmore JR, Smith KR, Robison RA, Weber SK, O’Neill KL. Selection of human single domain antibodies (sdAb) against thymidine kinase 1 and their incorporation into sdAb-Fc antibody constructs for potential use in cancer therapy. PLoS One 2022; 17:e0264822. [PMID: 35239730 PMCID: PMC8893706 DOI: 10.1371/journal.pone.0264822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 02/17/2022] [Indexed: 11/18/2022] Open
Abstract
Thymidine Kinase 1 (TK1) is primarily known as a cancer biomarker with good prognostic capabilities for both hematological and solid malignancies. However, recent studies targeting TK1 at protein and mRNA levels have shown that TK1 may be useful as a therapeutic target. In order to examine the use of TK1 as a therapeutic target, it is necessary to develop therapeutics specific for it. Single domain antibodies (sdAbs), represent an exciting approach for the development of immunotherapeutics due to their cost-effective production and higher tumor penetration than conventional antibodies. In this study, we isolated sdAb fragments specific to human TK1 from a human sdAb library. A total of 400 sdAbs were screened through 5 rounds of selection by monoclonal phage ELISA. The most sensitive sdAb fragments were selected as candidates for preclinical testing. The sdAb fragments showed specificity for human TK1 in phage ELISA, Western blot analysis and had an estimated limit of detection of 3.9 ng/ml for the antibody fragments 4-H-TK1_A1 and 4-H-TK1_D1. The antibody fragments were successfully expressed and used for detection of membrane associated TK1 (mTK1) through flow cytometry on cancer cells [lung (~95%), colon (~87%), breast (~53%)] and healthy human mononuclear cells (MNC). The most sensitive antibody fragments, 4-H-TK1_A1 and 4-H-TK1_D1 were fused to an engineered IgG1 Fc fragment. When added to cancer cells expressing mTK1 co-cultured with human MNCs, the anti-TK1-sdAb-IgG1_A1 and D1 were able to elicit a significant antibody-dependent cell-mediated cytotoxicity (ADCC) response against lung cancer cells compared to isotype controls (P<0.0267 and P<0.0265, respectively). To our knowledge this is the first time that the isolation and evaluation of human anti-TK1 single domain antibodies using phage display technology has been reported. The antibody fragments isolated here may represent a valuable resource for the detection and the targeting of TK1 on tumor cells.
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Affiliation(s)
- Edwin J. Velazquez
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Jordan D. Cress
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Tyler B. Humpherys
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Toni O. Mortimer
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - David M. Bellini
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Jonathan R. Skidmore
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Kathryn R. Smith
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Richard A. Robison
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Scott K. Weber
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Kim L. O’Neill
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
- * E-mail:
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29
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Zhang F, Liang J, Feng D, Liu S, Wu J, Tang Y, Liu Z, Lu Y, Wang X, Wei X. Integrated Analysis of Energy Metabolism Signature-Identified Distinct Subtypes of Bladder Urothelial Carcinoma. Front Cell Dev Biol 2022; 10:814735. [PMID: 35281080 PMCID: PMC8905247 DOI: 10.3389/fcell.2022.814735] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 02/03/2022] [Indexed: 01/08/2023] Open
Abstract
Background: Bladder urothelial carcinoma (BLCA) is the most common type of bladder cancer. In this study, the correlation between the metabolic status and the outcome of patients with BLCA was evaluated using data from the Cancer Genome Atlas and Gene Expression Omnibus datasets. Methods: The clinical and transcriptomic data of patients with BLCA were downloaded from the Cancer Genome Atlas and cBioPortal datasets, and energy metabolism-related gene sets were obtained from the Molecular Signature Database. A consensus clustering algorithm was then conducted to classify the patients into two clusters. Tumor prognosis, clinicopathological features, mutations, functional analysis, ferroptosis status analysis, immune infiltration, immune checkpoint-related gene expression level, chemotherapy resistance, and tumor stem cells were analyzed between clusters. An energy metabolism-related signature was further developed and verified using data from cBioPortal datasets. Results: Two clusters (C1 and C2) were identified using a consensus clustering algorithm based on an energy metabolism-related signature. The patients with subtype C1 had more metabolism-related pathways, different ferroptosis status, higher cancer stem cell scores, higher chemotherapy resistance, and better prognosis. Subtype C2 was characterized by an increased number of advanced BLCA cases and immune-related pathways. Higher immune and stromal scores were also observed for the C2 subtype. A signature containing 16 energy metabolism-related genes was then identified, which can accurately predict the prognosis of patients with BLCA. Conclusion: We found that the energy metabolism-associated subtypes of BLCA are closely related to the immune microenvironment, immune checkpoint-related gene expression, ferroptosis status, CSCs, chemotherapy resistance, prognosis, and progression of BLCA patients. The established energy metabolism-related gene signature was able to predict survival in patients with BLCA.
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Affiliation(s)
- Fan Zhang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jiayu Liang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Dechao Feng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Shengzhuo Liu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jiapei Wu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yongquan Tang
- Department of Pediatric Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhihong Liu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yiping Lu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Xianding Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Xianding Wang, ; Xin Wei,
| | - Xin Wei
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Xianding Wang, ; Xin Wei,
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Lin L, He Y, Ni Z, Zhang M, Liu J, Mao Q, Huang B, Lin J. GPC2 deficiency inhibits cell growth and metastasis in colon adenocarcinoma. Open Med (Wars) 2022; 17:304-316. [PMID: 35233466 PMCID: PMC8847712 DOI: 10.1515/med-2022-0421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 11/05/2021] [Accepted: 12/10/2021] [Indexed: 11/22/2022] Open
Abstract
Glypican-2 (GPC2) has been reported to promote tumor progression through metabolic pathways. However, the role of GPC2 in colon adenocarcinoma (COAD) remains to be further investigated. This study was designed to evaluate the role of GPC2 in COAD. Based on patients with complete clinical information and GPC2 expression from the Cancer Genome Atlas-COAD database, we found that GPC2 mRNA was highly expressed in COAD tissues, which was associated with poor prognosis and tumornode-metastasis (TNM) stage. The predicted survival probability based on GPC2 mRNA expression and TNM stage was in good agreement with the observed survival probability. Furthermore, the genes coexpressed with GPC2 in COAD tissues were significantly enriched in basal cell carcinoma, Notch signaling pathway, and Hedgehog signaling pathway. After GPC2 was decreased through transfecting short hairpin RNA of GPC2 into HCT-8 and SW620 cells, cell cycle was arrested in G0/G1 phase, proliferation was decreased, apoptosis was increased, and migration and invasion were repressed. In conclusion, decreasing GPC2 significantly inhibited proliferation, migration, and invasion, and enhanced apoptosis, which implied that GPC2 can be considered a promising therapeutic target of COAD in the future.
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Affiliation(s)
- Lumin Lin
- Department of Spleen and Stomach Diseases, The Second Affiliated Hospital of Fujian University of Traditional Chinese Medicine , Fuzhou 350003 , China
| | - Yanbin He
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
| | - Zhuona Ni
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
| | - Min Zhang
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Key Laboratory of Integrative Medicine of Fujian Province University, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
| | - Jie Liu
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Key Laboratory of Integrative Medicine of Fujian Province University, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
| | - Qianqian Mao
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
| | - Bin Huang
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
| | - Jiumao Lin
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian , 350122 , China
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou , Fujian 350122 , China
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31
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Heitzeneder S, Bosse KR, Zhu Z, Zhelev D, Majzner RG, Radosevich MT, Dhingra S, Sotillo E, Buongervino S, Pascual-Pasto G, Garrigan E, Xu P, Huang J, Salzer B, Delaidelli A, Raman S, Cui H, Martinez B, Bornheimer SJ, Sahaf B, Alag A, Fetahu IS, Hasselblatt M, Parker KR, Anbunathan H, Hwang J, Huang M, Sakamoto K, Lacayo NJ, Klysz DD, Theruvath J, Vilches-Moure JG, Satpathy AT, Chang HY, Lehner M, Taschner-Mandl S, Julien JP, Sorensen PH, Dimitrov DS, Maris JM, Mackall CL. GPC2-CAR T cells tuned for low antigen density mediate potent activity against neuroblastoma without toxicity. Cancer Cell 2022; 40:53-69.e9. [PMID: 34971569 PMCID: PMC9092726 DOI: 10.1016/j.ccell.2021.12.005] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 10/13/2021] [Accepted: 12/06/2021] [Indexed: 01/12/2023]
Abstract
Pediatric cancers often mimic fetal tissues and express proteins normally silenced postnatally that could serve as immune targets. We developed T cells expressing chimeric antigen receptors (CARs) targeting glypican-2 (GPC2), a fetal antigen expressed on neuroblastoma (NB) and several other solid tumors. CARs engineered using standard designs control NBs with transgenic GPC2 overexpression, but not those expressing clinically relevant GPC2 site density (∼5,000 molecules/cell, range 1-6 × 103). Iterative engineering of transmembrane (TM) and co-stimulatory domains plus overexpression of c-Jun lowered the GPC2-CAR antigen density threshold, enabling potent and durable eradication of NBs expressing clinically relevant GPC2 antigen density, without toxicity. These studies highlight the critical interplay between CAR design and antigen density threshold, demonstrate potent efficacy and safety of a lead GPC2-CAR candidate suitable for clinical testing, and credential oncofetal antigens as a promising class of targets for CAR T cell therapy of solid tumors.
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Affiliation(s)
- Sabine Heitzeneder
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Kristopher R Bosse
- Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA; Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Zhongyu Zhu
- National Cancer Institute, Frederick, MD 21702, USA
| | - Doncho Zhelev
- University of Pittsburgh Department of Medicine, Pittsburgh, PA 15261, USA
| | - Robbie G Majzner
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Molly T Radosevich
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Shaurya Dhingra
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Elena Sotillo
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Samantha Buongervino
- Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Guillem Pascual-Pasto
- Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Emily Garrigan
- Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Peng Xu
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Jing Huang
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Benjamin Salzer
- St. Anna Children's Cancer Research Institute, Vienna, Austria; Christian Doppler Laboratory for Next Generation CAR T Cells, Vienna, Austria
| | - Alberto Delaidelli
- Department of Molecular Oncology, British Columbia Cancer Research Centre, Vancouver, BC V5Z 1L3, Canada
| | - Swetha Raman
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Hong Cui
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Benjamin Martinez
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | | | - Bita Sahaf
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Anya Alag
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Irfete S Fetahu
- University of Pittsburgh Department of Medicine, Pittsburgh, PA 15261, USA
| | - Martin Hasselblatt
- Institute of Neuropathology, University Hospital Münster, Münster, Germany
| | - Kevin R Parker
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA 94305, USA
| | - Hima Anbunathan
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | | | - Min Huang
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Kathleen Sakamoto
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Norman J Lacayo
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Dorota D Klysz
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - Johanna Theruvath
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA
| | - José G Vilches-Moure
- Department of Comparative Medicine, Animal Histology Services, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Ansuman T Satpathy
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Howard Y Chang
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA 94305, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA 941209, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA
| | - Manfred Lehner
- St. Anna Children's Cancer Research Institute, Vienna, Austria; Christian Doppler Laboratory for Next Generation CAR T Cells, Vienna, Austria
| | | | - Jean-Phillipe Julien
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada; Departments of Biochemistry and Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Poul H Sorensen
- Department of Molecular Oncology, British Columbia Cancer Research Centre, Vancouver, BC V5Z 1L3, Canada
| | - Dimiter S Dimitrov
- University of Pittsburgh Department of Medicine, Pittsburgh, PA 15261, USA
| | - John M Maris
- Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA; Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Crystal L Mackall
- Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford University School of Medicine, Lorry Lokey Building, Suite G3141, MC: 5456, 265 Campus Drive, Stanford, CA 94305, USA; Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA 941209, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
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32
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Hanssens H, Meeus F, De Veirman K, Breckpot K, Devoogdt N. The antigen-binding moiety in the driver's seat of CARs. Med Res Rev 2022; 42:306-342. [PMID: 34028069 PMCID: PMC9292017 DOI: 10.1002/med.21818] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 02/17/2021] [Accepted: 04/21/2021] [Indexed: 12/16/2022]
Abstract
Immuno-oncology has been at the forefront of cancer treatment in recent decades. In particular immune checkpoint and chimeric antigen receptor (CAR)-T cell therapy have achieved spectacular results. Over the years, CAR-T cell development has followed a steady evolutionary path, focusing on increasing T cell potency and sustainability, which has given rise to different CAR generations. However, there was less focus on the mode of interaction between the CAR-T cell and the cancer cell; more specifically on the targeting moiety used in the CAR and its specific properties. Recently, the importance of optimizing this domain has been recognized and the possibilities have been exploited. Over the last 10 years-in addition to the classical scFv-based CARs-single domain CARs, natural receptor-ligand CARs, universal CARs and CARs targeting more than one antigen have emerged. In addition, the specific parameters of the targeting domain and their influence on T cell activation are being examined. In this review, we concisely present the history of CAR-T cell therapy, and then expand on various developments in the CAR ectodomain. We discuss different formats, each with their own advantages and disadvantages, as well as the developments in affinity tuning, avidity effects, epitope location, and influence of the extracellular spacer.
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Affiliation(s)
- Heleen Hanssens
- In Vivo Cellular and Molecular Imaging LaboratoryVrije Universiteit BrusselBrusselsBelgium
- Laboratory of Hematology and ImmunologyVrije Universiteit BrusselBrusselsBelgium
- Laboratory for Molecular and Cellular Therapy, Department of Biomedical SciencesVrije Universiteit BrusselBrusselsBelgium
| | - Fien Meeus
- In Vivo Cellular and Molecular Imaging LaboratoryVrije Universiteit BrusselBrusselsBelgium
- Laboratory for Molecular and Cellular Therapy, Department of Biomedical SciencesVrije Universiteit BrusselBrusselsBelgium
| | - Kim De Veirman
- Laboratory of Hematology and ImmunologyVrije Universiteit BrusselBrusselsBelgium
| | - Karine Breckpot
- Laboratory for Molecular and Cellular Therapy, Department of Biomedical SciencesVrije Universiteit BrusselBrusselsBelgium
| | - Nick Devoogdt
- In Vivo Cellular and Molecular Imaging LaboratoryVrije Universiteit BrusselBrusselsBelgium
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33
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Li N, Nguyen R, Thiele CJ, Ho M. Preclinical testing of chimeric antigen receptor T cells in neuroblastoma mouse models. STAR Protoc 2021; 2:100942. [PMID: 34825213 PMCID: PMC8603305 DOI: 10.1016/j.xpro.2021.100942] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The translation of chimeric antigen receptor (CAR) T cell therapy for pediatric solid tumors is limited by the lack of preclinical models that fully recapitulate solid tumor biology. We describe steps to implement neuroblastoma metastatic and orthotopic mouse models. We delineate an analysis pipeline to quantify the efficacy and determine the immunological characteristics of both CAR T and tumor cells in these models. Both mouse models can be applied to evaluate other experimental therapies for neuroblastoma. For complete details on the use and execution of this protocol, please refer to Li et al. (2021).
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Affiliation(s)
- Nan Li
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Rosa Nguyen
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Carol J Thiele
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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34
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Pearson AD, Rossig C, Mackall C, Shah NN, Baruchel A, Reaman G, Ricafort R, Heenen D, Bassan A, Berntgen M, Bird N, Bleickardt E, Bouchkouj N, Bross P, Brownstein C, Cohen SB, de Rojas T, Ehrlich L, Fox E, Gottschalk S, Hanssens L, Hawkins DS, Horak ID, Taylor DH, Johnson C, Karres D, Ligas F, Ludwinski D, Mamonkin M, Marshall L, Masouleh BK, Matloub Y, Maude S, McDonough J, Minard-Colin V, Norga K, Nysom K, Pappo A, Pearce L, Pieters R, Pule M, Quintás-Cardama A, Richardson N, Schüßler-Lenz M, Scobie N, Sersch MA, Smith MA, Sterba J, Tasian SK, Weigel B, Weiner SL, Zwaan CM, Lesa G, Vassal G. Paediatric Strategy Forum for medicinal product development of chimeric antigen receptor T-cells in children and adolescents with cancer: ACCELERATE in collaboration with the European Medicines Agency with participation of the Food and Drug Administration. Eur J Cancer 2021; 160:112-133. [PMID: 34840026 DOI: 10.1016/j.ejca.2021.10.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 10/13/2021] [Indexed: 12/30/2022]
Abstract
The seventh multi-stakeholder Paediatric Strategy Forum focused on chimeric antigen receptor (CAR) T-cells for children and adolescents with cancer. The development of CAR T-cells for patients with haematological malignancies, especially B-cell precursor acute lymphoblastic leukaemia (BCP-ALL), has been spectacular. However, currently, there are scientific, clinical and logistical challenges for use of CAR T-cells in BCP-ALL and other paediatric malignancies, particularly in acute myeloid leukaemia (AML), lymphomas and solid tumours. The aims of the Forum were to summarise the current landscape of CAR T-cell therapy development in paediatrics, too identify current challenges and future directions, with consideration of other immune effector modalities and ascertain the best strategies to accelerate their development and availability to children. Although the effect is of limited duration in about half of the patients, anti-CD19 CAR T-cells produce high response rates in relapsed/refractory BCP-ALL and this has highlighted previously unknown mechanisms of relapse. CAR T-cell treatment as first- or second-line therapy could also potentially benefit patients whose disease has high-risk features associated with relapse and failure of conventional therapies. Identifying patients with very early and early relapse in whom CAR T-cell therapy may replace haematopoietic stem cell transplantation and be definitive therapy versus those in whom it provides a more effective bridge to haematopoietic stem cell transplantation is a very high priority. Development of approaches to improve persistence, either by improving T cell fitness or using more humanised/fully humanised products and co-targeting of multiple antigens to prevent antigen escape, could potentially further optimise therapy. Many differences exist between paediatric B-cell non-Hodgkin lymphomas (B-NHL) and BCP-ALL. In view of the very small patient numbers with relapsed lymphoma, careful prioritisation is needed to evaluate CAR T-cells in children with Burkitt lymphoma, primary mediastinal B cell lymphoma and other NHL subtypes. Combination trials of alternative targets to CD19 (CD20 or CD22) should also be explored as a priority to improve efficacy in this population. Development of CD30 CAR T-cell immunotherapy strategies in patients with relapsed/refractory Hodgkin lymphoma will likely be most efficiently accomplished by joint paediatric and adult trials. CAR T-cell approaches are early in development for AML and T-ALL, given the unique challenges of successful immunotherapy actualisation in these diseases. At this time, CD33 and CD123 appear to be the most universal targets in AML and CD7 in T-ALL. The results of ongoing or planned first-in-human studies are required to facilitate further understanding. There are promising early results in solid tumours, particularly with GD2 targeting cell therapies in neuroblastoma and central nervous system gliomas that represent significant unmet clinical needs. Further understanding of biology is critical to success. The comparative benefits of autologous versus allogeneic CAR T-cells, T-cells engineered with T cell receptors T-cells engineered with T cell receptor fusion constructs, CAR Natural Killer (NK)-cell products, bispecific T-cell engager antibodies and antibody-drug conjugates require evaluation in paediatric malignancies. Early and proactive academia and multi-company engagement are mandatory to advance cellular immunotherapies in paediatric oncology. Regulatory advice should be sought very early in the design and preparation of clinical trials of innovative medicines, for which regulatory approval may ultimately be sought. Aligning strategic, scientific, regulatory, health technology and funding requirements from the inception of a clinical trial is especially important as these are very expensive therapies. The model for drug development for cell therapy in paediatric oncology could also involve a 'later stage handoff' to industry after early development in academic hands. Finally, and very importantly, strategies must evolve to ensure appropriate ease of access for children who need and could potentially benefit from these therapies.
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Affiliation(s)
| | - Claudia Rossig
- University Children´s Hospital Muenster, Pediatric Hematology and Oncology, Germany
| | - Crystal Mackall
- Department of Pediatrics and Medicine, Stanford University, Center for Cancer Cell Therapy, Stanford Cancer Institute, Stanford, CA, USA
| | - Nirali N Shah
- Pediatric Oncology Branch, National Cancer Institute, USA
| | - Andre Baruchel
- Hôpital Universitaire Robert Debré (APHP) and Université de Paris, France
| | | | | | | | | | - Michael Berntgen
- Scientific Evidence Generation Department, Human Medicines Division, European Medicines Agency (EMA), Amsterdam, Netherlands
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Dominik Karres
- Paediatric Medicines Office, Scientific Evidence Generation Department, Human Medicines Division, European Medicines Agency (EMA), Amsterdam, Netherlands
| | - Franca Ligas
- Paediatric Medicines Office, Scientific Evidence Generation Department, Human Medicines Division, European Medicines Agency (EMA), Amsterdam, Netherlands
| | | | | | - Lynley Marshall
- The Royal Marsden Hospital and the Institute of Cancer Research, London, UK
| | | | | | - Shannon Maude
- Children's Hospital of Philadelphia and University of Pennsylvania School of Medicine, Philadelphia, USA
| | | | - Veronique Minard-Colin
- Department of Pediatric and Adolescent Oncology, INSERM U1015, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Koen Norga
- Antwerp University Hospital, Paediatric Committee of the European Medicines Agency, Federal Agency for Medicines and Health Products, Belgium
| | | | | | | | - Rob Pieters
- Princess Maxima Center for Pediatric Oncology, Netherlands
| | | | | | | | - Martina Schüßler-Lenz
- Chair of CAT (Committee for Advanced Therapies), European Medicines Agency (EMA), Amsterdam, Netherlands; Paul-Ehrlich-Institut, Germany
| | | | | | | | - Jaroslav Sterba
- University Hospital Brno, Masaryk University, Brno, Czech Republic
| | - Sarah K Tasian
- Children's Hospital of Philadelphia and University of Pennsylvania School of Medicine, Philadelphia, USA
| | | | | | - Christian Michel Zwaan
- Princess Maxima Center for Pediatric Oncology, Netherlands; Haematological Malignancies Co-Chair Innovative Therapies for Children with Cancer Consortium (ITCC), Europe; Erasmus University Medical Center Rotterdam, Netherlands
| | - Giovanni Lesa
- Paediatric Medicines Office, Scientific Evidence Generation Department, Human Medicines Division, European Medicines Agency (EMA), Amsterdam, Netherlands
| | - Gilles Vassal
- ACCELERATE, Europe; Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
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Pan J, Ho M. Role of glypican-1 in regulating multiple cellular signaling pathways. Am J Physiol Cell Physiol 2021; 321:C846-C858. [PMID: 34550795 DOI: 10.1152/ajpcell.00290.2021] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Glypican-1 (GPC1) is one of the six glypican family members in humans. It is composed of a core protein with three heparan sulfate chains and attached to the cell membrane by a glycosyl-phosphatidylinositol anchor. GPC1 modulates various signaling pathways including fibroblast growth factors (FGF), vascular endothelial growth factor-A (VEGF-A), transforming growth factor-β (TGF-β), Wnt, Hedgehog (Hh), and bone morphogenic protein (BMP) through specific interactions with pathway ligands and receptors. The impact of these interactions on signaling pathways, activating or inhibitory, is dependent upon specific GPC1 domain interaction with pathway components, as well as cell surface context. In this review, we summarize the current understanding of the structure of GPC1, as well as its role in regulating multiple signaling pathways. We focus on the functions of GPC1 in cancer cells and how new insights into these signaling processes can inform its translational potential as a therapeutic target in cancer.
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Affiliation(s)
- Jiajia Pan
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.,School of Life Sciences, East China Normal University, Shanghai, China
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
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36
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Khorasani ABS, Sanaei MJ, Pourbagheri-Sigaroodi A, Ghaffari SH, Bashash D. CAR T cell therapy in solid tumors; with an extensive focus on obstacles and strategies to overcome the challenges. Int Immunopharmacol 2021; 101:108260. [PMID: 34678690 DOI: 10.1016/j.intimp.2021.108260] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/19/2021] [Accepted: 10/11/2021] [Indexed: 12/12/2022]
Abstract
The application of the CAR T cell therapy in hematologic malignancies holds prosperous results that intensified the unprecedented enthusiasm to employ this fascinating strategy in other types of human malignancies. Although the researchers invested a great deal of effort to exploit the utmost efficacy of these cells in the context of solid tumors, few articles reviewed obstacles and opportunities. The current review aims to provide comprehensive literature of recent advances of CAR T cell therapy in a wide range of solid tumors; and also, to discuss the original data obtained from international research laboratories on this topic. Despite promising results, several radical obstacles are on the way of this approach. This review discusses the most important drawbacks and also responds to questions on how the intrinsic features of solid tumors in addition to the tumor microenvironment-related challenges and the immune-relating adverse effects can curb satisfactory outcomes of CAR T cells. The last section allocates a special focus on innovative and contemporary policies which have already been adopted to surmount these challenges. Finally, we comment on the future research aspects in which the efficacy, as well as the safety of CAR T cell therapy, might be improved.
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Affiliation(s)
| | - Mohammad-Javad Sanaei
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atieh Pourbagheri-Sigaroodi
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed H Ghaffari
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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37
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Raman S, Buongervino SN, Lane MV, Zhelev DV, Zhu Z, Cui H, Martinez B, Martinez D, Wang Y, Upton K, Patel K, Rathi KS, Navia CT, Harmon DB, Li Y, Pawel B, Dimitrov DS, Maris JM, Julien JP, Bosse KR. A GPC2 antibody-drug conjugate is efficacious against neuroblastoma and small-cell lung cancer via binding a conformational epitope. Cell Rep Med 2021; 2:100344. [PMID: 34337560 PMCID: PMC8324494 DOI: 10.1016/j.xcrm.2021.100344] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 01/19/2021] [Accepted: 06/15/2021] [Indexed: 01/17/2023]
Abstract
Glypican 2 (GPC2) is a MYCN-regulated, differentially expressed cell-surface oncoprotein and target for immune-based therapies in neuroblastoma. Here, we build on GPC2's immunotherapeutic attributes by finding that it is also a highly expressed, MYCN-driven oncoprotein on small-cell lung cancers (SCLCs), with significantly enriched expression in both the SCLC and neuroblastoma stem cell compartment.By solving the crystal structure of the D3-GPC2-Fab/GPC2 complex at 3.3 Å resolution, we further illustrate that the GPC2-directed antibody-drug conjugate (ADC; D3-GPC2-PBD), that links a human GPC2 antibody (D3) to DNA-damaging pyrrolobenzodiazepine (PBD) dimers, binds a tumor-specific, conformation-dependent epitope of the core GPC2 extracellular domain. We then show that this ADC induces durable neuroblastoma and SCLC tumor regression via induction of DNA damage, apoptosis, and bystander cell killing, notably with no signs of ADC-induced in vivo toxicity. These studies provide preclinical data to support the clinical translation of ADCs targeting GPC2.
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Affiliation(s)
- Swetha Raman
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Samantha N. Buongervino
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Maria V. Lane
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Doncho V. Zhelev
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Zhongyu Zhu
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21701, USA
| | - Hong Cui
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Benjamin Martinez
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Daniel Martinez
- Department of Pathology, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Yanping Wang
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21701, USA
| | - Kristen Upton
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Khushbu Patel
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Komal S. Rathi
- Department of Biomedical and Health Informatics and Center for Data-Driven Discovery in Biomedicine, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | | | | | - Yimei Li
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Bruce Pawel
- Department of Pathology and Laboratory Medicine, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA
| | - Dimiter S. Dimitrov
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - John M. Maris
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jean-Philippe Julien
- Program in Molecular Medicine, Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
- Departments of Biochemistry and Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Kristopher R. Bosse
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
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38
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Li N, Torres MB, Spetz MR, Wang R, Peng L, Tian M, Dower CM, Nguyen R, Sun M, Tai CH, de Val N, Cachau R, Wu X, Hewitt SM, Kaplan RN, Khan J, St Croix B, Thiele CJ, Ho M. CAR T cells targeting tumor-associated exons of glypican 2 regress neuroblastoma in mice. Cell Rep Med 2021; 2:100297. [PMID: 34195677 PMCID: PMC8233664 DOI: 10.1016/j.xcrm.2021.100297] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/21/2021] [Accepted: 05/10/2021] [Indexed: 01/05/2023]
Abstract
Targeting solid tumors must overcome several major obstacles, in particular, the identification of elusive tumor-specific antigens. Here, we devise a strategy to help identify tumor-specific epitopes. Glypican 2 (GPC2) is overexpressed in neuroblastoma. Using RNA sequencing (RNA-seq) analysis, we show that exon 3 and exons 7-10 of GPC2 are expressed in cancer but are minimally expressed in normal tissues. Accordingly, we discover a monoclonal antibody (CT3) that binds exons 3 and 10 and visualize the complex structure of CT3 and GPC2 by electron microscopy. The potential of this approach is exemplified by designing CT3-derived chimeric antigen receptor (CAR) T cells that regress neuroblastoma in mice. Genomic sequencing of T cells recovered from mice reveals the CAR integration sites that may contribute to CAR T cell proliferation and persistence. These studies demonstrate how RNA-seq data can be exploited to help identify tumor-associated exons that can be targeted by CAR T cell therapies.
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MESH Headings
- Animals
- Antibodies, Monoclonal/chemistry
- Antibodies, Monoclonal/genetics
- Antibodies, Monoclonal/metabolism
- Antibodies, Monoclonal/pharmacology
- Cell Line, Tumor
- Cell Proliferation
- Exons
- Female
- Gene Expression
- Glypicans/antagonists & inhibitors
- Glypicans/chemistry
- Glypicans/genetics
- Glypicans/immunology
- Humans
- Immunotherapy, Adoptive/methods
- Mice
- Mice, Nude
- Models, Molecular
- Nervous System Neoplasms/genetics
- Nervous System Neoplasms/mortality
- Nervous System Neoplasms/pathology
- Nervous System Neoplasms/therapy
- Neuroblastoma/genetics
- Neuroblastoma/mortality
- Neuroblastoma/pathology
- Neuroblastoma/therapy
- Protein Binding
- Protein Conformation
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/immunology
- Receptors, Chimeric Antigen/genetics
- Receptors, Chimeric Antigen/immunology
- Sequence Analysis, RNA
- Survival Analysis
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Tumor Burden
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Nan Li
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Madeline B. Torres
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Madeline R. Spetz
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ruixue Wang
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Luyi Peng
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Meijie Tian
- Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Christopher M. Dower
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Rosa Nguyen
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ming Sun
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Chin-Hsien Tai
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Natalia de Val
- Center for Molecular Microscopy, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA
- Cancer Research Technology Program, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Raul Cachau
- Data Science and Information Technology Program, Leidos Biomedical Research, Frederick, MD 21702, USA
| | - Xiaolin Wu
- Cancer Research Technology Program, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Stephen M. Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Rosandra N. Kaplan
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Javed Khan
- Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Brad St Croix
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Carol J. Thiele
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Gout AM, Arunachalam S, Finkelstein DB, Zhang J. Data-driven approaches to advance research and clinical care for pediatric cancer. Biochim Biophys Acta Rev Cancer 2021; 1876:188571. [PMID: 34051287 DOI: 10.1016/j.bbcan.2021.188571] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/07/2021] [Accepted: 05/22/2021] [Indexed: 11/17/2022]
Abstract
Pediatric cancer is a rare disease with a distinct etiology and mutational landscape compared with adult cancer. Multi-omics profiling of retrospective and prospective cohorts coupled with innovative computational analysis have been instrumental in uncovering mechanisms of tumorigenesis and drug resistance that are now informing pediatric cancer clinical therapy. In this review we present the major data resources of pediatric cancer and actionable insights into pediatric cancer etiology stemming from the identification of oncogenic gene fusions, mutational signature analysis, systems biology, cancer predisposition and survivorship studies - that have led to improved clinical diagnosis, discovery of new drug-targets, pharmacological therapy, and screening for genetic predisposition. Ultimately, integration of large-scale omics datasets generated through international collaboration is required to maximize the power of data-driven approaches to advance pediatric cancer research informing clinical therapy.
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Affiliation(s)
- Alexander M Gout
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Sasi Arunachalam
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - David B Finkelstein
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jinghui Zhang
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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40
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Advances in immunotherapeutic targets for childhood cancers: A focus on glypican-2 and B7-H3. Pharmacol Ther 2021; 223:107892. [PMID: 33992682 DOI: 10.1016/j.pharmthera.2021.107892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 05/05/2021] [Accepted: 05/10/2021] [Indexed: 12/16/2022]
Abstract
Cancer immunotherapies have revolutionized how we can treat adult malignancies and are being translated to pediatric oncology. Chimeric antigen receptor T-cell therapy and bispecific antibodies targeting CD19 have shown success for the treatment of pediatric patients with B-cell acute lymphoblastic leukemia. Anti-GD2 monoclonal antibody has demonstrated efficacy in neuroblastoma. In this review, we summarize the immunotherapeutic agents that have been approved for treating childhood cancers and provide an updated review of molecules expressed by pediatric cancers that are under study or are emerging candidates for future immunotherapies. Advances in our knowledge of tumor immunology and in genome profiling of cancers has led to the identification of new tumor-specific/associated antigens. While cell surface antigens are normally targeted in a major histocompatibility complex (MHC)-independent manner using antibody-based therapies, intracellular antigens are normally targeted with MHC-dependent T cell therapies. Glypican 2 (GPC2) and B7-H3 (CD276) are two cell surface antigens that are expressed by a variety of pediatric tumors such as neuroblastoma and potentially can have a positive impact on the treatment of pediatric cancers in the clinic.
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41
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Wang JY, Wang XK, Zhu GZ, Zhou X, Yao J, Ma XP, Wang B, Peng T. Distinct diagnostic and prognostic values of Glypicans gene expression in patients with hepatocellular carcinoma. BMC Cancer 2021; 21:462. [PMID: 33902495 PMCID: PMC8073913 DOI: 10.1186/s12885-021-08104-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 03/25/2021] [Indexed: 12/11/2022] Open
Abstract
Backgroud In our current work, we aimed to investigate the expressions of glypican (GPC) family genes at the mRNA level and assess their prognostic significances in patients with hepatocellular carcinoma (HCC). Methods The pathological roles of GPC family genes were examined using bioinformatics analysis. The diagnostic values of GPC genes were explored with the Gene Expression Profiling Interactive Analysis. Moreover, the mRNA expression and prognostic values of GPC genes were assessed via the KM plotter database. Results Our data showed that the expression of GPC-3 was dramatically increased in the liver tumor tissue. Moreover, the expressions of the other five GPC family members were not significantly different between the tumor and normal liver tissues (P > 0.05). Furthermore, the up-regulation of GPC-1 at the mRNA level was dramatically correlated to the reduced overall survival (OS) for all HCC patients (hazard ratio = 2.03, 95% confidence intervals =1.44–2.87, P = 4.1e-05) compared with its low-expression group. Besides, the prognosis of the Caucasians was related to most GPC family genes, while the prognosis of the Asian race was only related to the expression of GPC-2. Besides, for pathological factors, including stage, grade, AJCC, and vascular invasion, the higher the pathological grade and vascular invasiveness, the lower the expression levels of GPC family genes (P < 0.05). Finally, the expression levels of GPC-1, 2, and 3 in the hepatitis group were related to the poor prognosis of HCC in the risk factor (alcohol consumption and hepatitis) subgroup (P < 0.05). Conclusions Our findings indicated that GPC-3 was dysregulated in HCC compared with paracancerous tissues. The expression of GPC-1 could be used as a potent predictive index for the general prognosis of HCC. The pathology, patients, and risk factors might affect the prognostic value of GPC family genes in HCC. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-08104-z.
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Affiliation(s)
- Jian-Yao Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China.,Department of General Surgery, Shenzhen Children's Hospital, Yi Tian Road 7019#, Shenzhen, 518026, Guangdong Province, People's Republic of China
| | - Xiang-Kun Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Guang-Zhi Zhu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Xin Zhou
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Jun Yao
- Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People's Hospital, Dong Men Bei Road 1017#, Shenzhen, 518020, Guangdong Province, People's Republic of China.
| | - Xiao-Peng Ma
- Department of General Surgery, Shenzhen Children's Hospital, Yi Tian Road 7019#, Shenzhen, 518026, Guangdong Province, People's Republic of China.
| | - Bin Wang
- Department of General Surgery, Shenzhen Children's Hospital, Yi Tian Road 7019#, Shenzhen, 518026, Guangdong Province, People's Republic of China.
| | - Tao Peng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China.
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42
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Gerlza T, Trojacher C, Kitic N, Adage T, Kungl AJ. Development of Molecules Antagonizing Heparan Sulfate Proteoglycans. Semin Thromb Hemost 2021; 47:316-332. [PMID: 33794555 DOI: 10.1055/s-0041-1725067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Heparan sulfate proteoglycans (HSPGs) occur in almost every tissue of the human body and consist of a protein core, with covalently attached glycosaminoglycan polysaccharide chains. These glycosaminoglycans are characterized by their polyanionic nature, due to sulfate and carboxyl groups, which are distributed along the chain. These chains can be modified by different enzymes at varying positions, which leads to huge diversity of possible structures with the complexity further increased by varying chain lengths. According to their location, HSPGs are divided into different families, the membrane bound, the secreted extracellular matrix, and the secretory vesicle family. As members of the extracellular matrix, they take part in cell-cell communication processes on many levels and with different degrees of involvement. Of particular therapeutic interest is their role in cancer and inflammation as well as in infectious diseases. In this review, we give an overview of the current status of medical approaches to antagonize HSPG function in pathology.
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Affiliation(s)
- Tanja Gerlza
- Karl-Franzens University Graz, Institute of Pharmaceutical Sciences, Graz, Austria
| | - Christina Trojacher
- Karl-Franzens University Graz, Institute of Pharmaceutical Sciences, Graz, Austria
| | - Nikola Kitic
- Karl-Franzens University Graz, Institute of Pharmaceutical Sciences, Graz, Austria
| | | | - Andreas J Kungl
- Karl-Franzens University Graz, Institute of Pharmaceutical Sciences, Graz, Austria.,Antagonis Biotherapeutics GmbH, Graz, Austria
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43
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Wagner DL, Fritsche E, Pulsipher MA, Ahmed N, Hamieh M, Hegde M, Ruella M, Savoldo B, Shah NN, Turtle CJ, Wayne AS, Abou-El-Enein M. Immunogenicity of CAR T cells in cancer therapy. Nat Rev Clin Oncol 2021; 18:379-393. [PMID: 33633361 PMCID: PMC8923136 DOI: 10.1038/s41571-021-00476-2] [Citation(s) in RCA: 141] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/14/2021] [Indexed: 12/14/2022]
Abstract
Patient-derived T cells genetically reprogrammed to express CD19-specific chimeric antigen receptors (CARs) have shown remarkable clinical responses and are commercially available for the treatment of patients with certain advanced-stage B cell malignancies. Nonetheless, several trials have revealed pre-existing and/or treatment-induced immune responses to the mouse-derived single-chain variable fragments included in these constructs. These responses might have contributed to both treatment failure and the limited success of redosing strategies observed in some patients. Data from early phase clinical trials suggest that CAR T cells are also associated with immunogenicity-related events in patients with solid tumours. Generally, the clinical implications of anti-CAR immune responses are poorly understood and highly variable between different CAR constructs and malignancies. These observations highlight an urgent need to uncover the mechanisms of immunogenicity in patients receiving CAR T cells and develop validated assays to enable clinical detection. In this Review, we describe the current clinical evidence of anti-CAR immune responses and discuss how new CAR T cell technologies might impact the risk of immunogenicity. We then suggest ways to reduce the risks of anti-CAR immune responses to CAR T cell products that are advancing towards the clinic. Finally, we summarize measures that investigators could consider in order to systematically monitor and better comprehend the possible effects of immunogenicity during trials involving CAR T cells as well as in routine clinical practice.
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Affiliation(s)
- Dimitrios L Wagner
- Berlin Center for Advanced Therapies (BeCAT) and Berlin Institute of Health (BIH) Center for Regenerative Therapies (BCRT), Charité - Universitätsmedizin Berlin, Berlin, Germany.,Institute of Transfusion Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Enrico Fritsche
- Berlin Center for Advanced Therapies (BeCAT) and Berlin Institute of Health (BIH) Center for Regenerative Therapies (BCRT), Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Michael A Pulsipher
- Section of Transplantation and Cellular Therapy, Children's Hospital Los Angeles Cancer and Blood Disease Institute, USC Keck School of Medicine, Los Angeles, CA, USA
| | - Nabil Ahmed
- Texas Children's Cancer and Hematology Centers, Texas Children's Hospital, Houston, TX, USA.,Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | - Mohamad Hamieh
- Center for Cell Engineering and Immunology Program, Sloan Kettering Institute, New York, NY, USA
| | - Meenakshi Hegde
- Texas Children's Cancer and Hematology Centers, Texas Children's Hospital, Houston, TX, USA.,Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | - Marco Ruella
- Center for Cellular Immunotherapies, University of Pennsylvania Philadelphia, Philadelphia, PA, USA.,Division of Hematology and Oncology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Barbara Savoldo
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
| | - Nirali N Shah
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Cameron J Turtle
- Clinical Research Division, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA, USA.,Department of Medicine, University of Washington, Seattle, WA, USA
| | - Alan S Wayne
- Cancer and Blood Disease Institute, Division of Hematology-Oncology, Children's Hospital Los Angeles, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Mohamed Abou-El-Enein
- Berlin Center for Advanced Therapies (BeCAT) and Berlin Institute of Health (BIH) Center for Regenerative Therapies (BCRT), Charité - Universitätsmedizin Berlin, Berlin, Germany. .,Division of Medical Oncology, Department of Medicine, and Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA. .,Joint USC/CHLA Cell Therapy Program, University of Southern California, and Children's Hospital Los Angeles, Los Angeles, CA, USA.
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44
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Karamanos NK, Theocharis AD, Piperigkou Z, Manou D, Passi A, Skandalis SS, Vynios DH, Orian-Rousseau V, Ricard-Blum S, Schmelzer CEH, Duca L, Durbeej M, Afratis NA, Troeberg L, Franchi M, Masola V, Onisto M. A guide to the composition and functions of the extracellular matrix. FEBS J 2021; 288:6850-6912. [PMID: 33605520 DOI: 10.1111/febs.15776] [Citation(s) in RCA: 350] [Impact Index Per Article: 116.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/13/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022]
Abstract
Extracellular matrix (ECM) is a dynamic 3-dimensional network of macromolecules that provides structural support for the cells and tissues. Accumulated knowledge clearly demonstrated over the last decade that ECM plays key regulatory roles since it orchestrates cell signaling, functions, properties and morphology. Extracellularly secreted as well as cell-bound factors are among the major members of the ECM family. Proteins/glycoproteins, such as collagens, elastin, laminins and tenascins, proteoglycans and glycosaminoglycans, hyaluronan, and their cell receptors such as CD44 and integrins, responsible for cell adhesion, comprise a well-organized functional network with significant roles in health and disease. On the other hand, enzymes such as matrix metalloproteinases and specific glycosidases including heparanase and hyaluronidases contribute to matrix remodeling and affect human health. Several cell processes and functions, among them cell proliferation and survival, migration, differentiation, autophagy, angiogenesis, and immunity regulation are affected by certain matrix components. Structural alterations have been also well associated with disease progression. This guide on the composition and functions of the ECM gives a broad overview of the matrisome, the major ECM macromolecules, and their interaction networks within the ECM and with the cell surface, summarizes their main structural features and their roles in tissue organization and cell functions, and emphasizes the importance of specific ECM constituents in disease development and progression as well as the advances in molecular targeting of ECM to design new therapeutic strategies.
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Affiliation(s)
- Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece.,Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras, Greece
| | - Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Zoi Piperigkou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece.,Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras, Greece
| | - Dimitra Manou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Spyros S Skandalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Demitrios H Vynios
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Véronique Orian-Rousseau
- Karlsruhe Institute of Technology, Institute of Biological and Chemical Systems- Functional Molecular Systems, Eggenstein-Leopoldshafen, Germany
| | - Sylvie Ricard-Blum
- University of Lyon, UMR 5246, ICBMS, Université Lyon 1, CNRS, Villeurbanne Cedex, France
| | - Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany.,Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2: Matrix Aging and Vascular Remodelling, Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Madeleine Durbeej
- Department of Experimental Medical Science, Unit of Muscle Biology, Lund University, Sweden
| | - Nikolaos A Afratis
- Department Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Linda Troeberg
- Norwich Medical School, University of East Anglia, Bob Champion Research and Education Building, Norwich, UK
| | - Marco Franchi
- Department for Life Quality Study, University of Bologna, Rimini, Italy
| | | | - Maurizio Onisto
- Department of Biomedical Sciences, University of Padova, Italy
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45
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The Application of Nanobody in CAR-T Therapy. Biomolecules 2021; 11:biom11020238. [PMID: 33567640 PMCID: PMC7914546 DOI: 10.3390/biom11020238] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 02/06/2023] Open
Abstract
Chimeric antigen receptor (CAR) T therapy represents a form of immune cellular therapy with clinical efficacy and a specific target. A typical chimeric antigen receptor (CAR) construct consists of an antigen binding domain, a transmembrane domain, and a cytoplasmic domain. Nanobodies have been widely applied as the antigen binding domain of CAR-T due to their small size, optimal stability, high affinity, and manufacturing feasibility. The nanobody-based CAR structure has shown a proven function in more than ten different tumor-specific targets. After being transduced in Jurkat cells, natural killer cells, or primary T cells, the resulting nanobody-based CAR-T or CAR-NK cells demonstrate anti-tumor effects both in vitro and in vivo. Interestingly, anti-BCMA CAR-T modulated by a single nanobody or bi-valent nanobody displays comparable clinical effects with that of single-chain variable fragment (scFv)-modulated CAR-T. The application of nanobodies in CAR-T therapy has been well demonstrated from bench to bedside and displays great potential in forming advanced CAR-T for more challenging tasks.
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Davis AS, Chang MY, Brune JE, Hallstrand TS, Johnson B, Lindhartsen S, Hewitt SM, Frevert CW. The Use of Quantitative Digital Pathology to Measure Proteoglycan and Glycosaminoglycan Expression and Accumulation in Healthy and Diseased Tissues. J Histochem Cytochem 2021; 69:137-155. [PMID: 32936035 PMCID: PMC7841698 DOI: 10.1369/0022155420959146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 08/19/2020] [Indexed: 12/17/2022] Open
Abstract
Advances in reagents, methodologies, analytic platforms, and tools have resulted in a dramatic transformation of the research pathology laboratory. These advances have increased our ability to efficiently generate substantial volumes of data on the expression and accumulation of mRNA, proteins, carbohydrates, signaling pathways, cells, and structures in healthy and diseased tissues that are objective, quantitative, reproducible, and suitable for statistical analysis. The goal of this review is to identify and present how to acquire the critical information required to measure changes in tissues. Included is a brief overview of two morphometric techniques, image analysis and stereology, and the use of artificial intelligence to classify cells and identify hidden patterns and relationships in digital images. In addition, we explore the importance of preanalytical factors in generating high-quality data. This review focuses on techniques we have used to measure proteoglycans, glycosaminoglycans, and immune cells in tissues using immunohistochemistry and in situ hybridization to demonstrate the various morphometric techniques. When performed correctly, quantitative digital pathology is a powerful tool that provides unbiased quantitative data that are difficult to obtain with other methods.
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Affiliation(s)
- A Sally Davis
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas
| | - Mary Y Chang
- Department of Comparative Medicine, University of Washington, Seattle, Washington
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, Washington
| | - Jourdan E Brune
- Department of Comparative Medicine, University of Washington, Seattle, Washington
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, Washington
| | - Teal S Hallstrand
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, Washington
| | - Brian Johnson
- Department of Comparative Medicine, University of Washington, Seattle, Washington
| | - Sarah Lindhartsen
- Department of Comparative Medicine, University of Washington, Seattle, Washington
| | - Stephen M Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Charles W Frevert
- Department of Comparative Medicine, University of Washington, Seattle, Washington
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, Washington
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Heparanome-Mediated Rescue of Oligodendrocyte Progenitor Quiescence following Inflammatory Demyelination. J Neurosci 2021; 41:2245-2263. [PMID: 33472827 DOI: 10.1523/jneurosci.0580-20.2021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 12/03/2020] [Accepted: 01/05/2021] [Indexed: 12/26/2022] Open
Abstract
The proinflammatory cytokine IFN-γ, which is chronically elevated in multiple sclerosis, induces pathologic quiescence in human oligodendrocyte progenitor cells (OPCs) via upregulation of the transcription factor PRRX1. In this study using animals of both sexes, we investigated the role of heparan sulfate proteoglycans in the modulation of IFN-γ signaling following demyelination. We found that IFN-γ profoundly impaired OPC proliferation and recruitment following adult spinal cord demyelination. IFN-γ-induced quiescence was mediated by direct signaling in OPCs as conditional genetic ablation of IFNγR1 (Ifngr1) in adult NG2+ OPCs completely abrogated these inhibitory effects. Intriguingly, OPC-specific IFN-γ signaling contributed to failed oligodendrocyte differentiation, which was associated with hyperactive Wnt/Bmp target gene expression in OPCs. We found that PI-88, a heparan sulfate mimetic, directly antagonized IFN-γ to rescue human OPC proliferation and differentiation in vitro and blocked the IFN-γ-mediated inhibitory effects on OPC recruitment in vivo Importantly, heparanase modulation by PI-88 or OGT2155 in demyelinated lesions rescued IFN-γ-mediated axonal damage and demyelination. In addition to OPC-specific effects, IFN-γ-augmented lesions were characterized by increased size, reactive astrogliosis, and proinflammatory microglial/macrophage activation along with exacerbated axonal injury and cell death. Heparanase inhibitor treatment rescued many of the negative IFN-γ-induced sequelae suggesting a profound modulation of the lesion environment. Together, these results suggest that the modulation of the heparanome represents a rational approach to mitigate the negative effects of proinflammatory signaling and rescuing pathologic quiescence in the inflamed and demyelinated human brain.SIGNIFICANCE STATEMENT The failure of remyelination in multiple sclerosis contributes to neurologic dysfunction and neurodegeneration. The activation and proliferation of oligodendrocyte progenitor cells (OPCs) is a necessary step in the recruitment phase of remyelination. Here, we show that the proinflammatory cytokine interferon-γ directly acts on OPCs to induce pathologic quiescence and thereby limit recruitment following demyelination. Heparan sulfate is a highly structured sulfated carbohydrate polymer that is present on the cell surface and regulates several aspects of the signaling microenvironment. We find that pathologic interferon-γ can be blocked by modulation of the heparanome following demyelination using either a heparan mimetic or by treatment with heparanase inhibitor. These studies establish the potential for modulation of heparanome as a regenerative approach in demyelinating disease.
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Sawaisorn P, Atjanasuppat K, Anurathapan U, Chutipongtanate S, Hongeng S. Strategies to Improve Chimeric Antigen Receptor Therapies for Neuroblastoma. Vaccines (Basel) 2020; 8:vaccines8040753. [PMID: 33322408 PMCID: PMC7768386 DOI: 10.3390/vaccines8040753] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/04/2020] [Accepted: 12/10/2020] [Indexed: 02/07/2023] Open
Abstract
Chimeric antigen receptors (CARs) are among the curative immunotherapeutic approaches that exploit the antigen specificity and cytotoxicity function of potent immune cells against cancers. Neuroblastomas, the most common extracranial pediatric solid tumors with diverse characteristics, could be a promising candidate for using CAR therapies. Several methods harness CAR-modified cells in neuroblastoma to increase therapeutic efficiency, although the assessment has been less successful. Regarding the improvement of CARs, various trials have been launched to overcome insufficient capacity. However, the reasons behind the inadequate response against neuroblastoma of CAR-modified cells are still not well understood. It is essential to update the present state of comprehension of CARs to improve the efficiency of CAR therapies. This review summarizes the crucial features of CARs and their design for neuroblastoma, discusses challenges that impact the outcomes of the immunotherapeutic competence, and focuses on devising strategies currently being investigated to improve the efficacy of CARs for neuroblastoma immunotherapy.
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Affiliation(s)
- Piamsiri Sawaisorn
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (P.S.); (K.A.); (U.A.)
| | - Korakot Atjanasuppat
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (P.S.); (K.A.); (U.A.)
| | - Usanarat Anurathapan
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (P.S.); (K.A.); (U.A.)
| | - Somchai Chutipongtanate
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan 10540, Thailand
- Correspondence: (S.C.); (S.H.)
| | - Suradej Hongeng
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (P.S.); (K.A.); (U.A.)
- Correspondence: (S.C.); (S.H.)
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Prognostic value of Glypican family genes in early-stage pancreatic ductal adenocarcinoma after pancreaticoduodenectomy and possible mechanisms. BMC Gastroenterol 2020; 20:415. [PMID: 33302876 PMCID: PMC7731467 DOI: 10.1186/s12876-020-01560-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/24/2020] [Indexed: 01/05/2023] Open
Abstract
Background This study explored the prognostic significance of Glypican (GPC) family genes in patients with pancreatic ductal adenocarcinoma (PDAC) after pancreaticoduodenectomy using data from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO). Methods A total of 112 PDAC patients from TCGA and 48 patients from GEO were included in the analysis. The relationship between overall survival and the expression of GPC family genes as well as basic clinical characteristics was analyzed using the Kaplan-Meier method with the log-rank test. Joint effects survival analysis was performed to further examine the relationship between GPC genes and prognosis. A prognosis nomogram was established based on clinical characteristics and prognosis-related genes. Prognosis-related genes were investigated by genome-wide co-expression analysis and gene set enrichment analysis (GSEA) was carried out to identify potential mechanisms of these genes affecting prognosis. Results In TCGA database, high expression of GPC2, GPC3, and GPC5 was significantly associated with favorable survival (log-rank P = 0.031, 0.021, and 0.028, respectively; adjusted P value = 0.005, 0.022, and 0.020, respectively), and joint effects analysis of these genes was effective for prognosis prediction. The prognosis nomogram was applied to predict the survival probability using the total scores calculated. Genome-wide co-expression and GSEA analysis suggested that the GPC2 may affect prognosis through sequence-specific DNA binding, protein transport, cell differentiation and oncogenic signatures (KRAS, RAF, STK33, and VEGFA). GPC3 may be related to cell adhesion, angiogenesis, inflammatory response, signaling pathways like Ras, Rap1, PI3K-Akt, chemokine, GPCR, and signatures like cyclin D1, p53, PTEN. GPC5 may be involved in transcription factor complex, TFRC1, oncogenic signatures (HOXA9 and BMI1), gene methylation, phospholipid metabolic process, glycerophospholipid metabolism, cell cycle, and EGFR pathway. Conclusion GPC2, GPC3, and GPC5 expression may serve as prognostic indicators in PDAC, and combination of these genes showed a higher efficiency for prognosis prediction.
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Verhaar ER, Woodham AW, Ploegh HL. Nanobodies in cancer. Semin Immunol 2020; 52:101425. [PMID: 33272897 DOI: 10.1016/j.smim.2020.101425] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/24/2020] [Accepted: 11/16/2020] [Indexed: 02/06/2023]
Abstract
For treatment and diagnosis of cancer, antibodies have proven their value and now serve as a first line of therapy for certain cancers. A unique class of antibody fragments called nanobodies, derived from camelid heavy chain-only antibodies, are gaining increasing acceptance as diagnostic tools and are considered also as building blocks for chimeric antigen receptors as well as for targeted drug delivery. The small size of nanobodies (∼15 kDa), their stability, ease of manufacture and modification for diverse formats, short circulatory half-life, and high tissue penetration, coupled with excellent specificity and affinity, account for their attractiveness. Here we review applications of nanobodies in the sphere of tumor biology.
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Affiliation(s)
- Elisha R Verhaar
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, United States
| | - Andrew W Woodham
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, United States; Department of Pediatrics, Harvard Medical School, Boston, MA, United States
| | - Hidde L Ploegh
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, United States; Department of Pediatrics, Harvard Medical School, Boston, MA, United States.
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