251
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Wei L, Delin Z, Kefei Y, Hong W, Jiwei H, Yange Z. A classification based on tumor budding and immune score for patients with hepatocellular carcinoma. Oncoimmunology 2019; 9:1672495. [PMID: 32002283 PMCID: PMC6959452 DOI: 10.1080/2162402x.2019.1672495] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 09/18/2019] [Accepted: 09/21/2019] [Indexed: 02/06/2023] Open
Abstract
Background: The role of immune profiling and tumor budding in hepatocellular carcinoma (HCC) remains largely unknown. This study evaluated the association between tumor budding and lymphocytic infiltration in HCC. Meanwhile, HCC patients were stratified based on tumor budding grade and immune score. Patients and methods: A total of 423 HCC patients were divided into training (n = 212) and validation (n = 211) cohort. Tumor slides from resected HCC samples were used for tumor budding assessment. A prognosis-relevant immune score was developed based on five types of immune cells out of eleven immune markers. A classification based on tumor budding grade and immune type was established (IS-TB type). To explore the association of IS-TB type and molecular alterations of HCC, 100 HCC samples and adjacent non-tumor tissues from 100 patients were investigated by whole-exome sequencing. Results: Tumor budding was an independent adverse prognostic factor for OS and DFS in both of the training and validation cohorts (all P values <.05). The rate of high-grade tumor budding was significantly higher in HCC with immature stroma (P < .001), strong α-SMA expression (P = .005), non-steatotic tumors and non-fibrolamellar-HCC (P < .001). Additionally, tumor budding was related to both anti- and pro-tumor immune responses. Patients were classified into immune type A and immune type B according to the immune score. Based on tumor budding grade and immunotype, patients were classified into four subgroups: ISA-TBhigh (type I), ISB-TBhigh (type II), ISA-TBlow (type III) and ISB-TBlow (type IV). Patients with type III tumor had the best OS and DFS, whereas OS and DFS were the worst for cases with type II tumor. TP53 mutation was more frequent in IS-TB type I (ISATBhigh) patients, while IS-TB type IV (ISBTBlow) harbored high number of CTNNB1 mutation. Conclusion: Tumor-immune cell interactions in HCC is heterogeneous. HCC classification based on tumor budding and immune score correlates with patient survival and molecular alterations. The defined subtypes may have significance for utilizing individualized treatment in patients with HCC.
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Affiliation(s)
- Li Wei
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Zhang Delin
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Yuan Kefei
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Wu Hong
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Huang Jiwei
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Zhang Yange
- Department of Plastic and Burns Surgery, West China Hospital, Sichuan University, Chengdu, China
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252
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Wang Q, Douglass J, Hwang MS, Hsiue EHC, Mog BJ, Zhang M, Papadopoulos N, Kinzler KW, Zhou S, Vogelstein B. Direct Detection and Quantification of Neoantigens. Cancer Immunol Res 2019; 7:1748-1754. [PMID: 31527070 PMCID: PMC6825591 DOI: 10.1158/2326-6066.cir-19-0107] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/15/2019] [Accepted: 09/04/2019] [Indexed: 12/30/2022]
Abstract
Many immunotherapeutic approaches under development rely on T-cell recognition of cancer-derived peptides bound to human leukocyte antigen molecules on the cell surface. Direct experimental demonstration that such peptides are processed and bound is currently challenging. Here, we describe a method that meets this challenge. The method entailed an optimized immunoprecipitation protocol coupled with two-dimensional chromatography and mass spectrometry. The ability to detect and quantify minute amounts of predefined antigens should be useful both for basic research in tumor immunology and for the development of rationally designed cancer vaccines.
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Affiliation(s)
- Qing Wang
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland.
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Jacqueline Douglass
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Michael S Hwang
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Emily Han-Chung Hsiue
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Brian J Mog
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Ming Zhang
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Nickolas Papadopoulos
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Kenneth W Kinzler
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Shibin Zhou
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland.
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
| | - Bert Vogelstein
- Ludwig Center, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland.
- Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland
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253
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Alborelli I, Leonards K, Rothschild SI, Leuenberger LP, Savic Prince S, Mertz KD, Poechtrager S, Buess M, Zippelius A, Läubli H, Haegele J, Tolnay M, Bubendorf L, Quagliata L, Jermann P. Tumor mutational burden assessed by targeted NGS predicts clinical benefit from immune checkpoint inhibitors in non-small cell lung cancer. J Pathol 2019; 250:19-29. [PMID: 31471895 PMCID: PMC6972587 DOI: 10.1002/path.5344] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 07/22/2019] [Accepted: 08/22/2019] [Indexed: 02/06/2023]
Abstract
In non‐small cell lung cancer (NSCLC), immune checkpoint inhibitors (ICIs) significantly improve overall survival (OS). Tumor mutational burden (TMB) has emerged as a predictive biomarker for patients treated with ICIs. Here, we evaluated the predictive power of TMB measured by the Oncomine™ Tumor Mutational Load targeted sequencing assay in 76 NSCLC patients treated with ICIs. TMB was assessed retrospectively in 76 NSCLC patients receiving ICI therapy. Clinical data (RECIST 1.1) were collected and patients were classified as having either durable clinical benefit (DCB) or no durable benefit (NDB). Additionally, genetic alterations and PD‐L1 expression were assessed and compared with TMB and response rate. TMB was significantly higher in patients with DCB than in patients with NDB (median TMB = 8.5 versus 6.0 mutations/Mb, Mann–Whitney p = 0.0244). 64% of patients with high TMB (cut‐off = third tertile, TMB ≥ 9) were responders (DCB) compared to 33% and 29% of patients with intermediate and low TMB, respectively (cut‐off = second and first tertile, TMB = 5–9 and TMB ≤ 4, respectively). TMB‐high patients showed significantly longer progression‐free survival (PFS) and OS (log‐rank test p = 0.0014 for PFS and 0.0197 for OS). While identifying different subgroups of patients, combining PD‐L1 expression and TMB increased the predictive power (from AUC 0.63 to AUC 0.65). Our results show that the TML panel is an effective tool to stratify patients for ICI treatment. A combination of biomarkers might maximize the predictive precision for patient stratification. Our study supports TMB evaluation through targeted NGS in NSCLC patient samples as a tool to predict response to ICI therapy. We offer recommendations for a reliable and cost‐effective assessment of TMB in a routine diagnostic setting. © 2019 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Ilaria Alborelli
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Katharina Leonards
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Sacha I Rothschild
- Laboratory of Cancer Immunology, Department of Biomedicine, University Hospital Basel, Basel, Switzerland.,Department of Medical Oncology, Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
| | - Laura P Leuenberger
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Spasenija Savic Prince
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Kirsten D Mertz
- Department of Pathology, Cantonal Hospital Baselland, Liestal, Switzerland
| | | | - Martin Buess
- Department of Medical Oncology, St. Claraspital, Basel, Switzerland
| | - Alfred Zippelius
- Laboratory of Cancer Immunology, Department of Biomedicine, University Hospital Basel, Basel, Switzerland.,Department of Medical Oncology, Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
| | - Heinz Läubli
- Laboratory of Cancer Immunology, Department of Biomedicine, University Hospital Basel, Basel, Switzerland.,Department of Medical Oncology, Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
| | - Jasmin Haegele
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Markus Tolnay
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Lukas Bubendorf
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Luca Quagliata
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Philip Jermann
- Department of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
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254
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Wei Z, Zhou C, Zhang Z, Guan M, Zhang C, Liu Z, Liu Q. The Landscape of Tumor Fusion Neoantigens: A Pan-Cancer Analysis. iScience 2019; 21:249-260. [PMID: 31677477 PMCID: PMC6838548 DOI: 10.1016/j.isci.2019.10.028] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/06/2019] [Accepted: 10/15/2019] [Indexed: 01/02/2023] Open
Abstract
Compared with SNV&indel-based neoantigens, fusion-based neoantigens are not well characterized. In the present study, we performed a comprehensive analysis of the landscape of tumor fusion neoantigens in cancer and proposed a score scheme to quantitatively assess their immunogenic potentials. By analyzing three large-scale tumor datasets, we demonstrated that (1) the tumor fusion candidate neoantigen burden is not related to the immunotherapy outcome; (2) fusion neoantigens tend to have notably higher immunogenic potentials than SNV&indel-based candidate neoantigens, making them better candidates for cancer vaccines; (3) fusion candidate neoantigens distribute sparsely between individual patients. Although several recurrent candidate neoantigens exist, they usually have extremely low immunogenic potentials, suggesting that vaccination-based cancer immunotherapy must be personalized; (4) compared with fusion mutations involving tumor passenger genes, fusion mutations involving oncogenic genes have remarkably low immunogenic potentials, indicating that they undergo selection pressure during tumorigenesis. A score scheme is presented to evaluate the immunogenicity of fusion neoantigen Tumor fusion neoantigen burden is not related to the immunotherapy outcome Compared with SNV&indel neoantigen, fusion neoantigen has higher immunogenicity Oncogene fusion has lower immunogenicity than passenger gene fusion
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Affiliation(s)
- Zhiting Wei
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Chi Zhou
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Zhanbing Zhang
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Ming Guan
- Department of Laboratory Medicine, Huashan Hospital, Fudan University, Shanghai 200433, China
| | - Chao Zhang
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China.
| | - Zhongmin Liu
- Department of Cardiac Surgery, Shanghai East Hospital, Tongji University, Shanghai 200092, China.
| | - Qi Liu
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China.
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255
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Scheetz L, Park KS, Li Q, Lowenstein PR, Castro MG, Schwendeman A, Moon JJ. Engineering patient-specific cancer immunotherapies. Nat Biomed Eng 2019; 3:768-782. [PMID: 31406259 PMCID: PMC6783331 DOI: 10.1038/s41551-019-0436-x] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 07/03/2019] [Indexed: 02/06/2023]
Abstract
Research into the immunological processes implicated in cancer has yielded a basis for the range of immunotherapies that are now considered the fourth pillar of cancer treatment (alongside surgery, radiotherapy and chemotherapy). For some aggressive cancers, such as advanced non-small-cell lung carcinoma, combination immunotherapies have resulted in unprecedented treatment efficacy for responding patients, and have become frontline therapies. Individualized immunotherapy, enabled by the identification of patient-specific mutations, neoantigens and biomarkers, and facilitated by advances in genomics and proteomics, promises to broaden the responder patient population. In this Perspective, we give an overview of immunotherapies leveraging engineering approaches, including the design of biomaterials, delivery strategies and nanotechnology solutions, for the realization of individualized cancer treatments such as nanoparticle vaccines customized with neoantigens, cell therapies based on patient-derived dendritic cells and T cells, and combinations of theranostic strategies. Developments in precision cancer immunotherapy will increasingly rely on the adoption of engineering principles.
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Affiliation(s)
- Lindsay Scheetz
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Kyung Soo Park
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Qiao Li
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Pedro R Lowenstein
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Maria G Castro
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA.
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA.
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.
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256
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Robertson J, Salm M, Dangl M. Adoptive cell therapy with tumour-infiltrating lymphocytes: the emerging importance of clonal neoantigen targets for next-generation products in non-small cell lung cancer. IMMUNO-ONCOLOGY TECHNOLOGY 2019; 3:1-7. [PMID: 35757302 PMCID: PMC9216247 DOI: 10.1016/j.iotech.2019.09.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Immune checkpoint blockade has significantly improved clinical outcomes for patients with non-small cell lung cancer (NSCLC) and other solid tumours, but many patients do not respond and acquired resistance is common. Aspects of the tumour microenvironment linked to clinical outcomes include the proportion of tumour-infiltrating lymphocytes (TIL), tumour programmed death ligand 1 ( PD-L1) score and tumour mutation burden. Adoptive cell therapy (ACT), a technique that works by infusing ex vivo expanded T lymphocytes to increase the effector cell pool in tumours, is anticipated to become a viable therapeutic option for patients with solid tumours, akin to chimeric antigen receptor T cell (CAR-T) therapy in haematological malignancies. TIL therapy has shown durable clinical responses in heavily pre-treated patients with melanoma and other solid tumours. We review the experience of ACT with TILs and the recent evidence that clonal neoantigens might be the most relevant immunotherapeutic targets in heterogeneous solid tumours such as NSCLC. Clonal (or truncal) neoantigens arise from the earliest mutagenic events in tumour evolution, and are retained over time in all tumour cells within a patient, making them the ideal target for T cell therapy. NSCLC has one of the highest clonal mutation burdens of all cancers through exposure to carcinogens in tobacco smoke, providing a strong rationale to develop clonal neoantigen reactive T cells (cNeT) for this indication. The first treatment modality to test this concept clinically is ATL001, a cNeT product that is derived from autologous TILs and enriched for T cells specifically recognizing clonal neoantigenic epitopes by selective expansion. Clinical studies of ATL001 will commence in 2019. Immune checkpoint inhibitors improve outcomes in non-small cell lung cancer (NSCLC), but resistance is common. Adoptive cell therapy with tumour-infiltrating lymphocytes has shown durable responses in melanoma and epithelial cancers. Clonal neoantigens may be the most relevant immunotherapeutic targets. NSCLC has one of the highest clonal mutational burdens of all cancers. Clonal neoantigen reactive T cells are now in clinical development.
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Affiliation(s)
- Jane Robertson
- Corresponding author. Jane Robertson, MD. Chief Medical Officer, Achilles Therapeutics Ltd, Stevenage Bioscience Catalyst, Stevenage SG1 2FX, UK. Tel.: +44 (0)1438 906 855.
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257
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Harel M, Ortenberg R, Varanasi SK, Mangalhara KC, Mardamshina M, Markovits E, Baruch EN, Tripple V, Arama-Chayoth M, Greenberg E, Shenoy A, Ayasun R, Knafo N, Xu S, Anafi L, Yanovich-Arad G, Barnabas GD, Ashkenazi S, Besser MJ, Schachter J, Bosenberg M, Shadel GS, Barshack I, Kaech SM, Markel G, Geiger T. Proteomics of Melanoma Response to Immunotherapy Reveals Mitochondrial Dependence. Cell 2019; 179:236-250.e18. [PMID: 31495571 PMCID: PMC7993352 DOI: 10.1016/j.cell.2019.08.012] [Citation(s) in RCA: 192] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/24/2019] [Accepted: 08/06/2019] [Indexed: 01/03/2023]
Abstract
Immunotherapy has revolutionized cancer treatment, yet most patients do not respond. Here, we investigated mechanisms of response by profiling the proteome of clinical samples from advanced stage melanoma patients undergoing either tumor infiltrating lymphocyte (TIL)-based or anti- programmed death 1 (PD1) immunotherapy. Using high-resolution mass spectrometry, we quantified over 10,300 proteins in total and ∼4,500 proteins across most samples in each dataset. Statistical analyses revealed higher oxidative phosphorylation and lipid metabolism in responders than in non-responders in both treatments. To elucidate the effects of the metabolic state on the immune response, we examined melanoma cells upon metabolic perturbations or CRISPR-Cas9 knockouts. These experiments indicated lipid metabolism as a regulatory mechanism that increases melanoma immunogenicity by elevating antigen presentation, thereby increasing sensitivity to T cell mediated killing both in vitro and in vivo. Altogether, our proteomic analyses revealed association between the melanoma metabolic state and the response to immunotherapy, which can be the basis for future improvement of therapeutic response.
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Affiliation(s)
- Michal Harel
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Rona Ortenberg
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; Department of Clinical Immunology and Microbiology, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Siva Karthik Varanasi
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | | | - Mariya Mardamshina
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Ettai Markovits
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; Department of Clinical Immunology and Microbiology, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Erez N Baruch
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; Department of Clinical Immunology and Microbiology, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Victoria Tripple
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - May Arama-Chayoth
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Eyal Greenberg
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel
| | - Anjana Shenoy
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Ruveyda Ayasun
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Naama Knafo
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Shihao Xu
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Liat Anafi
- Institute of Pathology, Sheba Medical Center, Tel Hashomer 5265601, Israel
| | - Gali Yanovich-Arad
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Georgina D Barnabas
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Shira Ashkenazi
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; Department of Clinical Immunology and Microbiology, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Michal J Besser
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; Department of Clinical Immunology and Microbiology, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Jacob Schachter
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; The Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Marcus Bosenberg
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06510, USA; Yale Comprehensive Cancer Center, New Haven, CT 06510, USA; Department of Dermatology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Gerald S Shadel
- Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Iris Barshack
- Institute of Pathology, Sheba Medical Center, Tel Hashomer 5265601, Israel; The Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Susan M Kaech
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Gal Markel
- Ella Lemelbaum Institute of Immuno-Oncology, Sheba Medical Center, Tel Hashomer 5265601, Israel; Department of Clinical Immunology and Microbiology, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel.
| | - Tamar Geiger
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel.
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258
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In-house Implementation of Tumor Mutational Burden Testing to Predict Durable Clinical Benefit in Non-small Cell Lung Cancer and Melanoma Patients. Cancers (Basel) 2019; 11:cancers11091271. [PMID: 31470674 PMCID: PMC6769455 DOI: 10.3390/cancers11091271] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/13/2019] [Accepted: 08/28/2019] [Indexed: 12/19/2022] Open
Abstract
Tumor mutational burden (TMB) has emerged as an important potential biomarker for prediction of response to immune-checkpoint inhibitors (ICIs), notably in non-small cell lung cancer (NSCLC). However, its in-house assessment in routine clinical practice is currently challenging and validation is urgently needed. We have analyzed sixty NSCLC and thirty-six melanoma patients with ICI treatment, using the FoundationOne test (FO) in addition to in-house testing using the Oncomine TML (OTML) panel and evaluated the durable clinical benefit (DCB), defined by >6 months without progressive disease. Comparison of TMB values obtained by both tests demonstrated a high correlation in NSCLC (R2 = 0.73) and melanoma (R2 = 0.94). The association of TMB with DCB was comparable between OTML (area-under the curve (AUC) = 0.67) and FO (AUC = 0.71) in NSCLC. Median TMB was higher in the DCB cohort and progression-free survival (PFS) was prolonged in patients with high TMB (OTML HR = 0.35; FO HR = 0.45). In contrast, we detected no differences in PFS and median TMB in our melanoma cohort. Combining TMB with PD-L1 and CD8-expression by immunohistochemistry improved the predictive value. We conclude that in our cohort both approaches are equally able to assess TMB and to predict DCB in NSCLC.
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259
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Shembrey C, Huntington ND, Hollande F. Impact of Tumor and Immunological Heterogeneity on the Anti-Cancer Immune Response. Cancers (Basel) 2019; 11:E1217. [PMID: 31438563 PMCID: PMC6770225 DOI: 10.3390/cancers11091217] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/15/2019] [Accepted: 08/16/2019] [Indexed: 12/16/2022] Open
Abstract
Metastatic tumors are the primary cause of cancer-related mortality. In recent years, interest in the immunologic control of malignancy has helped establish escape from immunosurveillance as a critical requirement for incipient metastases. Our improved understanding of the immune system's interactions with cancer cells has led to major therapeutic advances but has also unraveled a previously unsuspected level of complexity. This review will discuss the vast spatial and functional heterogeneity in the tumor-infiltrating immune system, with particular focus on natural killer (NK) cells, as well as the impact of tumor cell-specific factors, such as secretome composition, receptor-ligand repertoire, and neoantigen diversity, which can further drive immunological heterogeneity. We emphasize how tumor and immunological heterogeneity may undermine the efficacy of T-cell directed immunotherapies and explore the potential of NK cells to be harnessed to circumvent these limitations.
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Affiliation(s)
- Carolyn Shembrey
- Department of Clinical Pathology, Victorian Comprehensive Cancer Centre, The University of Melbourne, Melbourne, VIC 3000, Australia
- Centre for Cancer Research, The University of Melbourne, Melbourne, VIC 3000, Australia
| | - Nicholas D Huntington
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Frédéric Hollande
- Department of Clinical Pathology, Victorian Comprehensive Cancer Centre, The University of Melbourne, Melbourne, VIC 3000, Australia.
- Centre for Cancer Research, The University of Melbourne, Melbourne, VIC 3000, Australia.
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260
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Abstract
The current rapid development of novel therapeutic approaches in immune oncology (IO) and specifically in the field of immune checkpoint inhibition is accompanied by an equally dynamic development of novel biomarker approaches for the identification of responding/non-responding patients under IO treatment. In addition to the measurement of the expression of checkpoint ligands/receptors, complex molecular predictors are gaining increasing attention in certain IO treatment constellations. This includes the entity informed identification of molecularly defined biological tumor subtypes (e.g., microsatellite instable neoplasms), the measurement of tumor mutational load and immune cell effector signatures as relatively routine diagnostic compatible novel biomarker strategies. In addition, a multitude of even more complex molecular IO biomarker approaches is emerging. This development is accompanied by new patient selection strategies which are based on the simultaneous combinatorial evaluation of more than one parameter. This article provides a comprehensive overview on currently relevant aspects in the field of IO biomarkers.
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Affiliation(s)
- W Weichert
- Institut für Pathologie, Technische Universität München, Trogerstraße 18, 81675, München, Deutschland.
- Partner Site Munich, Deutsches Konsortium für Translationale Krebsforschung (DKTK), München, Deutschland.
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261
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Florou V, Rosenberg AE, Wieder E, Komanduri KV, Kolonias D, Uduman M, Castle JC, Buell JS, Trent JC, Wilky BA. Angiosarcoma patients treated with immune checkpoint inhibitors: a case series of seven patients from a single institution. J Immunother Cancer 2019; 7:213. [PMID: 31395100 PMCID: PMC6686562 DOI: 10.1186/s40425-019-0689-7] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 07/23/2019] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Angiosarcoma is an uncommon endothelial malignancy and a highly aggressive soft tissue sarcoma. Due to its infiltrative nature, successful management of localized angiosarcoma is often challenging. Systemic chemotherapy is used in the metastatic setting and occasionally in patients with high-risk localized disease in neoadjuvant or adjuvant settings. However, responses tend to be short-lived and most patients succumb to metastatic disease. Novel therapies are needed for patients with angiosarcomas. METHODS We performed a retrospective analysis of patients with locally advanced or metastatic angiosarcoma, who were treated with checkpoint inhibitors at our institution. We collected their clinical information and outcome measurements. In one patient with achieved complete response, we analyzed circulating and infiltrating T cells within peripheral blood and tumor tissue. RESULTS We have treated seven angiosarcoma (AS) patients with checkpoint inhibitors either in the context of clinical trials or off label [Pembrolizumab + Axitinib (NCT02636725; n = 1), AGEN1884, a CTLA-4 inhibitor (NCT02694822; n = 2), Pembrolizumab (n = 4)]. Five patients had cutaneous angiosarcoma, one primary breast angiosarcoma and one radiation-associated breast angiosarcoma. At 12 weeks, 5/7 patients (71%) had partial response of their lesions either on imaging and/or clinical exam and two (29%) had progressive disease. 6/7 patients are alive to date and, thus far, 3/7 patients (43%) have progressed (median 3.4 months)- one achieved partial response after pembrolizumab was switched to ongoing Nivolumab/Ipilimumab, one died of progressive disease at 31 weeks (primary breast angiosarcoma) and one was placed on pazopanib. One patient had a complete response (CR) following extended treatment with monotherapy AGEN1884. No patient experienced any ≥ grade 2 toxicities. CONCLUSIONS This case series underscores the value of targeted immunotherapy in treating angiosarcoma. It also identifies genetic heterogeneity of cutaneous angiosarcomas and discusses specific genetic findings that may explain reported benefits from immunotherapy.
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Affiliation(s)
- Vaia Florou
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
| | - Andrew E. Rosenberg
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
| | - Eric Wieder
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
| | - Krishna V. Komanduri
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
| | - Despina Kolonias
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
| | | | | | | | - Jonathan C. Trent
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
| | - Breelyn A. Wilky
- Department of Medicine, Division of Oncology, Sylvester Comprehensive Cancer Center at University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Miami, FL 33136 USA
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262
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Yin Q, Tang J, Zhu X. Next-generation sequencing technologies accelerate advances in T-cell therapy for cancer. Brief Funct Genomics 2019; 18:119-128. [PMID: 29982317 DOI: 10.1093/bfgp/ely018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Next-generation sequencing has produced a large quantity of DNA or RNA sequences related to the processes occurring within tumors and their microenvironment in a reasonable time and cost. These data have been used to guide the identification of neoantigens and to determine their specific T-cell receptors. Furthermore, adoptive T-cell therapy targeting neoantigens is under development for cancer treatment. In this review, we first provide an overview of sequencing technologies and the updated findings concerning neoantigens related to adoptive T-cell therapy and then summarize the methods and principles underlying the development of next-generation sequencing-based neoantigen-reactive T-cell therapy for cancer.
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Affiliation(s)
- Qinan Yin
- Clinical Center of National Institutes of Health, Bethesda, MD, USA
| | - Jiaxing Tang
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
| | - Xuekai Zhu
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
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263
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Faden DL, Ding F, Lin Y, Zhai S, Kuo F, Chan TA, Morris LG, Ferris RL. APOBEC mutagenesis is tightly linked to the immune landscape and immunotherapy biomarkers in head and neck squamous cell carcinoma. Oral Oncol 2019; 96:140-147. [PMID: 31422205 DOI: 10.1016/j.oraloncology.2019.07.020] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 07/12/2019] [Accepted: 07/24/2019] [Indexed: 12/11/2022]
Abstract
HNSCC is an immunologically active tumor with high levels of immune cell infiltration, high mutational burden and a subset of patients who respond to immunotherapy. One of the primary sources of mutations in HNSCC is the cytidine deaminase APOBEC3, which is a known participant in innate immunity. Why particular HNSCCs have higher rates of APOBEC mutations and how these mutations relate to the immune microenvironment remains unknown. Utilizing whole exome and RNA-Seq datasets from TCGA HNSCCs we annotated APOBEC mutations, immune cell populations, activating and end effectors of immunity and neoantigens in order to interrogate the relationship between APOBEC mutations and the immune landscape. Immune cell populations and composite scores of immune activation were tightly associated with APOBEC mutational burden (p = 0.04-1.17e-5). HNSCC had the highest levels of IFNy across cancer types with high APOBEC mutational burden, with the highest IFNy scores in HPV mediated HNSCC. Tumor specific neoantigens were significantly correlated with APOBEC mutational burden while other sources of neoantigens were not (0.53 [0.24, 0.76] p = 8e-5). The presence of a germline APOBEC polymorphism was more prevalent in non-white, non-black patients and within this group, patients with the polymorphism had higher APOBEC mutational burden (p = 0.002). APOBEC mutations are tightly linked to immune activation and infiltration in HNSCC. Multiple mechanisms may exist within HNSCC leading to APOBEC mutations including immune upregulation in response to neoantigens and viral infection, via induction of IFNy. These mechanisms may be additive and not mutually exclusive, which could explain higher levels of APOBEC mutations in HPV mediated HNSCC.
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Affiliation(s)
- Daniel L Faden
- Head and Neck Surgical Oncology, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States; Harvard Medical School, Boston, MA, United States; Broad Institute of MIT and Harvard, Cambridge, MA, United States.
| | - Fei Ding
- Biostatistics Facility, UPMC Hillman Cancer Center, Pittsburgh, PA, United States
| | - Yan Lin
- Biostatistics Facility, UPMC Hillman Cancer Center, Pittsburgh, PA, United States; Department of Biostatistics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, United States
| | - Shuyan Zhai
- Biostatistics Facility, UPMC Hillman Cancer Center, Pittsburgh, PA, United States
| | - Fengshen Kuo
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Timothy A Chan
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Luc G Morris
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, United States; Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Robert L Ferris
- Cancer Immunology Program, University of Pittsburgh Cancer Institute, Pittsburgh, PA, United States; Department of Otolaryngology-Head and Neck Surgery, University of Pittsburgh, Pittsburgh, PA, United States.
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264
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Duffy MJ, Crown J. Biomarkers for Predicting Response to Immunotherapy with Immune Checkpoint Inhibitors in Cancer Patients. Clin Chem 2019; 65:1228-1238. [PMID: 31315901 DOI: 10.1373/clinchem.2019.303644] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/23/2019] [Indexed: 01/10/2023]
Abstract
BACKGROUND Immunotherapy, especially the use of immune checkpoint inhibitors, has revolutionized the management of several different cancer types in recent years. However, for most types of cancer, only a minority of patients experience a durable response. Furthermore, administration of immunotherapy can result in serious adverse reactions. Thus, for the most efficient and effective use of immunotherapy, accurate predictive biomarkers that have undergone analytical and clinical validation are necessary. CONTENT Among the most widely investigated predictive biomarkers for immunotherapy are programmed death-ligand 1 (PD-L1), microsatellite instability/defective mismatch repair (MSI/dMMR), and tumor mutational burden (TMB). MSI/dMMR is approved for clinical use irrespective of the tumor type, whereas PD-L1 is approved only for use in certain cancer types (e.g., for predicting response to first-line pembrolizumab monotherapy in non-small cell lung cancer). Although not yet approved for clinical use, TMB has been shown to predict response to several different forms of immunotherapy and across multiple cancer types. Less widely investigated predictive biomarkers for immunotherapy include tumor-infiltrating CD8+ lymphocytes and specific gene signatures. Despite being widely investigated, assays for MSI/dMMR, PD-L1, and TMB lack standardization and are still evolving. An urgent focus of future research should be the optimization and standardization of method for determining these biomarkers. SUMMARY Biomarkers for predicting response to immunotherapy are paving the way for personalized treatment for patients with diverse cancer types. However, standardization of the available biomarker assays is an urgent requirement.
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Affiliation(s)
- Michael J Duffy
- Clinical Research Centre, St. Vincent's University Hospital, Dublin, Ireland; .,UCD School of Medicine, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - John Crown
- Medical Oncology Department, St. Vincent's University Hospital, Dublin, Ireland
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Abstract
Anticancer immunotherapies involving the use of immune-checkpoint inhibitors or adoptive cellular transfer have emerged as new therapeutic pillars within oncology. These treatments function by overcoming or relieving tumour-induced immunosuppression, thereby enabling immune-mediated tumour clearance. While often more effective and better tolerated than traditional and targeted therapies, many patients have innate or acquired resistance to immunotherapies. Cancer immunoediting is the process whereby the immune system can both constrain and promote tumour development, which proceeds through three phases termed elimination, equilibrium and escape. Throughout these phases, tumour immunogenicity is edited, and immunosuppressive mechanisms that enable disease progression are acquired. The mechanisms of resistance to immunotherapy seem to broadly overlap with those used by cancers as they undergo immunoediting to evade detection by the immune system. In this Review, we discuss how a deeper understanding of the mechanisms underlying the cancer immunoediting process can provide insight into the development of resistance to immunotherapies and the strategies that can be used to overcome such resistance.
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266
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Garcia-Garijo A, Fajardo CA, Gros A. Determinants for Neoantigen Identification. Front Immunol 2019; 10:1392. [PMID: 31293573 PMCID: PMC6601353 DOI: 10.3389/fimmu.2019.01392] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 06/03/2019] [Indexed: 12/22/2022] Open
Abstract
All tumors accumulate genetic alterations, some of which can give rise to mutated, non-self peptides presented by human leukocyte antigen (HLA) molecules and elicit T-cell responses. These immunogenic mutated peptides, or neoantigens, are foreign in nature and display exquisite tumor specificity. The correlative evidence suggesting they play an important role in the effectiveness of various cancer immunotherapies has triggered the development of vaccines and adoptive T-cell therapies targeting them. However, the systematic identification of personalized neoantigens in cancer patients, a critical requisite for the success of these therapies, remains challenging. A growing amount of evidence supports that only a small fraction of all tumor somatic non-synonymous mutations (NSM) identified represent bona fide neoantigens; mutated peptides that are processed, presented on the cell surface HLA molecules of cancer cells and are capable of triggering immune responses in patients. Here, we provide an overview of the existing strategies to identify candidate neoantigens and to evaluate their immunogenicity, two factors that impact on neoantigen identification. We will focus on their strengths and limitations to allow readers to rationally select and apply the most suitable method for their specific laboratory setting.
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Affiliation(s)
| | | | - Alena Gros
- Tumor Immunology and Immunotherapy, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
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267
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Han LT, Hu JQ, Ma B, Wen D, Zhang TT, Lu ZW, Wei WJ, Wang YL, Wang Y, Liao T, Ji QH. IL-17A increases MHC class I expression and promotes T cell activation in papillary thyroid cancer patients with coexistent Hashimoto's thyroiditis. Diagn Pathol 2019; 14:52. [PMID: 31159823 PMCID: PMC6547553 DOI: 10.1186/s13000-019-0832-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 05/23/2019] [Indexed: 02/08/2023] Open
Abstract
Background The incidence of coexisting papillary thyroid cancer (PTC) and Hashimoto’s thyroiditis (HT) is increasing. The impact of HT on PTC prognosis and its possible mechanism remains controversial. Interleukin-17A (IL-17A) has been reported to participate in the pathogenesis of multiple autoimmune diseases and cancers. The aim of this study is to investigate the role of IL-17A in PTC with coexistent HT and evaluate the changes in tumor antigenicity. Methods Expression of IL-17A and major histocompatibility complex (MHC) class I molecules were compared on PTC tissue samples with or without HT. PTC cell lines K1 and TPC-1 were stimulated with IL-17A and analyzed for MHC class I expression afterwards. Cluster of differentiation (CD) 8+T cell activation, production of Interleukin-2 (IL-2) and Interferon-gamma (IFN-γ) as well as the programmed death-1 (PD-1) expression on lymphocytes were assessed by coculture of donor peripheral blood lymphocytes (PBLs) with IL-17A pretreated PTC cells. Results Elevated IL-17A and MHC class I expression were observed in PTC tissue samples with coexistent HT. Stimulation of PTC cells with IL-17A effectively increased MHC class I expression in vitro. Coculture of PBLs with IL-17A pretreated PTC cells resulted in enhanced T cell activation (%CD25+ of CD3+T cells) and increased IL-2 production along with decreased IFN-γ secretion and PD-1 expression of the lymphocytes. Conclusions Papillary thyroid cancer with coexisting Hashimoto’s thyroiditis presents elevated MHC class I expression, which may be the result of IL-17A secretion. T cell activation is enhanced in vitro by IL-17A and may provide future utility in PTC immunotherapy. Electronic supplementary material The online version of this article (10.1186/s13000-019-0832-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Li-Tao Han
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Jia-Qian Hu
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ben Ma
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Duo Wen
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ting-Ting Zhang
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Zhong-Wu Lu
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Wen-Jun Wei
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yu-Long Wang
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yu Wang
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Tian Liao
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Qing-Hai Ji
- Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
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268
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Veatch JR, Jesernig BL, Kargl J, Fitzgibbon M, Lee SM, Baik C, Martins R, Houghton AM, Riddell SR. Endogenous CD4 + T Cells Recognize Neoantigens in Lung Cancer Patients, Including Recurrent Oncogenic KRAS and ERBB2 ( Her2) Driver Mutations. Cancer Immunol Res 2019; 7:910-922. [PMID: 31043415 PMCID: PMC6584616 DOI: 10.1158/2326-6066.cir-18-0402] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 11/12/2018] [Accepted: 04/24/2019] [Indexed: 12/20/2022]
Abstract
T cells specific for neoantigens encoded by mutated genes in cancers are increasingly recognized as mediators of tumor destruction after immune-checkpoint inhibitor therapy or adoptive cell transfer. Much of the focus has been on identifying epitopes presented to CD8+ T cells by class I MHC. However, CD4+ class II MHC-restricted T cells have been shown to have an important role in antitumor immunity. Unfortunately, the vast majority of neoantigens recognized by CD8+ or CD4+ T cells in cancer patients result from random mutations and are patient-specific. Here, we screened the blood of 5 non-small cell lung cancer (NSCLC) patients for T-cell responses to candidate mutation-encoded neoepitopes. T-cell responses were detected to 8.8% of screened antigens, with 1 to 7 antigens identified per patient. A majority of responses were to random, patient-specific mutations. However, CD4+ T cells that recognized the recurrent KRAS G12V and the ERBB2 (Her2) internal tandem duplication (ITD) oncogenic driver mutations, but not the corresponding wild-type sequences, were identified in two patients. Two different T-cell receptors (TCR) specific for KRAS G12V and one T-cell receptor specific for Her2-ITD were isolated and conferred antigen specificity when transfected into T cells. Deep sequencing identified the Her2-ITD-specific TCR in the tumor but not nonadjacent lung. Our results showed that CD4+ T-cell responses to neoantigens, including recurrent driver mutations, can be derived from the blood of NSCLC patients. These data support the use of adoptive transfer or vaccination to augment CD4+ neoantigen-specific T cells and elucidate their role in human antitumor immunity.
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Affiliation(s)
- Joshua R Veatch
- Immunotherapy Integrated Research Center, Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.
| | - Brenda L Jesernig
- Immunotherapy Integrated Research Center, Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Julia Kargl
- Immunotherapy Integrated Research Center, Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Otto Loewi Research Center, Pharmacology, Medical University of Graz, Graz, Austria
| | - Matthew Fitzgibbon
- Immunotherapy Integrated Research Center, Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Sylvia M Lee
- Division of Medical Oncology, University of Washington, Seattle, Washington
| | - Christina Baik
- Division of Medical Oncology, University of Washington, Seattle, Washington
| | - Renato Martins
- Division of Medical Oncology, University of Washington, Seattle, Washington
| | - A McGarry Houghton
- Immunotherapy Integrated Research Center, Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Stanley R Riddell
- Immunotherapy Integrated Research Center, Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
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269
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Nguyen LT, Saibil SD, Sotov V, Le MX, Khoja L, Ghazarian D, Bonilla L, Majeed H, Hogg D, Joshua AM, Crump M, Franke N, Spreafico A, Hansen A, Al-Habeeb A, Leong W, Easson A, Reedijk M, Goldstein DP, McCready D, Yasufuku K, Waddell T, Cypel M, Pierre A, Zhang B, Boross-Harmer S, Cipollone J, Nelles M, Scheid E, Fyrsta M, Lo CS, Nie J, Yam JY, Yen PH, Gray D, Motta V, Elford AR, DeLuca S, Wang L, Effendi S, Ellenchery R, Hirano N, Ohashi PS, Butler MO. Phase II clinical trial of adoptive cell therapy for patients with metastatic melanoma with autologous tumor-infiltrating lymphocytes and low-dose interleukin-2. Cancer Immunol Immunother 2019; 68:773-785. [PMID: 30747243 PMCID: PMC11028227 DOI: 10.1007/s00262-019-02307-x] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 01/17/2019] [Indexed: 02/03/2023]
Abstract
Adoptive cell therapy using autologous tumor-infiltrating lymphocytes (TIL) has shown significant clinical benefit, but is limited by toxicities due to a requirement for post-infusion interleukin-2 (IL-2), for which high dose is standard. To assess a modified TIL protocol using lower dose IL-2, we performed a single institution phase II protocol in unresectable, metastatic melanoma. The primary endpoint was response rate. Secondary endpoints were safety and assessment of immune correlates following TIL infusion. Twelve metastatic melanoma patients were treated with non-myeloablative lymphodepleting chemotherapy, TIL, and low-dose subcutaneous IL-2 (125,000 IU/kg/day, maximum 9-10 doses over 2 weeks). All but one patient had previously progressed after treatment with immune checkpoint inhibitors. No unexpected adverse events were observed, and patients received an average of 6.8 doses of IL-2. By RECIST v1.1, two patients experienced a partial response, one patient had an unconfirmed partial response, and six had stable disease. Biomarker assessment confirmed an increase in IL-15 levels following lymphodepleting chemotherapy as expected and a lack of peripheral regulatory T-cell expansion following protocol treatment. Interrogation of the TIL infusion product and monitoring of the peripheral blood following infusion suggested engraftment of TIL. In one responding patient, a population of T cells expressing a T-cell receptor Vβ chain that was dominant in the infusion product was present at a high percentage in peripheral blood more than 2 years after TIL infusion. This study shows that this protocol of low-dose IL-2 following adoptive cell transfer of TIL is feasible and clinically active. (ClinicalTrials.gov identifier NCT01883323.).
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Affiliation(s)
- Linh T Nguyen
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Samuel D Saibil
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Valentin Sotov
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Michael X Le
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Leila Khoja
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Danny Ghazarian
- Department of Laboratory Medicine, University Health Network, Toronto, Canada
| | - Luisa Bonilla
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Habeeb Majeed
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - David Hogg
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Anthony M Joshua
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
- Kinghorn Cancer Centre, St. Vincent's Hospital, Sydney, Australia
| | - Michael Crump
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Norman Franke
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Anna Spreafico
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Aaron Hansen
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Ayman Al-Habeeb
- Department of Laboratory Medicine, University Health Network, Toronto, Canada
| | - Wey Leong
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Alexandra Easson
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Michael Reedijk
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - David P Goldstein
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
- Department of Otolaryngology, Head and Neck Surgery, Princess Margaret Cancer Centre, Toronto, Canada
| | - David McCready
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Kazuhiro Yasufuku
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Thomas Waddell
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Marcelo Cypel
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Andrew Pierre
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Bianzheng Zhang
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada
| | - Sarah Boross-Harmer
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Jane Cipollone
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Megan Nelles
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Elizabeth Scheid
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Michael Fyrsta
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Charlotte S Lo
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Jessica Nie
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Jennifer Y Yam
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Pei Hua Yen
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Diana Gray
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Vinicius Motta
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Alisha R Elford
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Stephanie DeLuca
- Department of Pharmacy, Princess Margaret Cancer Centre, Toronto, Canada
| | - Lisa Wang
- Drug Development Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Stephanie Effendi
- Drug Development Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Ragitha Ellenchery
- Drug Development Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - Naoto Hirano
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
- Department of Immunology, University of Toronto, Toronto, Canada
| | - Pamela S Ohashi
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada
- Department of Immunology, University of Toronto, Toronto, Canada
| | - Marcus O Butler
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, Toronto, Canada.
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Canada.
- Department of Immunology, University of Toronto, Toronto, Canada.
- University Health Network, Princess Margaret Cancer Centre, 9-622, 610 University Avenue, Toronto, ON, M5G 2M9, Canada.
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270
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Rabbie R, Ferguson P, Molina‐Aguilar C, Adams DJ, Robles‐Espinoza CD. Melanoma subtypes: genomic profiles, prognostic molecular markers and therapeutic possibilities. J Pathol 2019; 247:539-551. [PMID: 30511391 PMCID: PMC6492003 DOI: 10.1002/path.5213] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/27/2018] [Accepted: 11/30/2018] [Indexed: 12/24/2022]
Abstract
Melanoma is characterised by its ability to metastasise at early stages of tumour development. Current clinico-pathologic staging based on the American Joint Committee on Cancer criteria is used to guide surveillance and management in early-stage disease, but its ability to predict clinical outcome has limitations. Herein we review the genomics of melanoma subtypes including cutaneous, acral, uveal and mucosal, with a focus on the prognostic and predictive significance of key molecular aberrations. © 2018 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Roy Rabbie
- Experimental Cancer GeneticsThe Wellcome Sanger InstituteHinxtonUK
- Cambridge Cancer CentreCambridge University Hospitals NHS Foundation TrustCambridgeUK
| | - Peter Ferguson
- Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred HospitalSydneyAustralia
- Melanoma Institute Australia, The University of SydneySydneyAustralia
| | - Christian Molina‐Aguilar
- Laboratorio Internacional de Investigación sobre el Genoma HumanoUniversidad Nacional Autónoma de MéxicoSantiago de QuerétaroMexico
| | - David J Adams
- Experimental Cancer GeneticsThe Wellcome Sanger InstituteHinxtonUK
| | - Carla D Robles‐Espinoza
- Experimental Cancer GeneticsThe Wellcome Sanger InstituteHinxtonUK
- Laboratorio Internacional de Investigación sobre el Genoma HumanoUniversidad Nacional Autónoma de MéxicoSantiago de QuerétaroMexico
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271
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Sevenich L. Turning "Cold" Into "Hot" Tumors-Opportunities and Challenges for Radio-Immunotherapy Against Primary and Metastatic Brain Cancers. Front Oncol 2019; 9:163. [PMID: 30941312 PMCID: PMC6433980 DOI: 10.3389/fonc.2019.00163] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 02/25/2019] [Indexed: 12/14/2022] Open
Abstract
The development of immunotherapies has revolutionized intervention strategies for a variety of primary cancers. Despite this promising progress, treatment options for primary brain cancer and brain metastasis remain limited and still largely depend on surgical resection, radio- and/or chemotherapy. The paucity in the successful development of immunotherapies for brain cancers can in part be attributed to the traditional view of the brain as an immunologically privileged site. The presence of the blood-brain barrier and the absence of lymphatic drainage were believed to restrict the entry of blood-borne immune and inflammatory cells into the central nervous system (CNS), leading to an exclusion of the brain from systemic immune surveillance. However, recent insight from pre-clinical and clinical studies on the immune landscape of brain cancers challenged this dogma. Recruitment of blood-borne immune cells into the CNS provides unprecedented opportunities for the development of tumor microenvironment (TME)-targeted or immunotherapies against primary and metastatic cancers. Moreover, it is increasingly recognized that in addition to genotoxic effects, ionizing radiation represents a critical modulator of tumor-associated inflammation and synergizes with immunotherapies in adjuvant settings. This review summarizes current knowledge on the cellular and molecular identity of tumor-associated immune cells in primary and metastatic brain cancers and discusses underlying mechanisms by which ionizing radiation modulates the immune response. Detailed mechanistic insight into the effects of radiation on the unique immune landscape of brain cancers is essential for the development of multimodality intervention strategies in which immune-modulatory effects of radiotherapy are exploited to sensitize brain cancers to immunotherapies by converting immunologically “cold” into “hot” environments.
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Affiliation(s)
- Lisa Sevenich
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
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272
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Stenzinger A, Allen JD, Maas J, Stewart MD, Merino DM, Wempe MM, Dietel M. Tumor mutational burden standardization initiatives: Recommendations for consistent tumor mutational burden assessment in clinical samples to guide immunotherapy treatment decisions. Genes Chromosomes Cancer 2019; 58:578-588. [PMID: 30664300 PMCID: PMC6618007 DOI: 10.1002/gcc.22733] [Citation(s) in RCA: 163] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 01/14/2019] [Accepted: 01/14/2019] [Indexed: 01/10/2023] Open
Abstract
Characterization of tumors utilizing next‐generation sequencing methods, including assessment of the number of somatic mutations (tumor mutational burden [TMB]), is currently at the forefront of the field of personalized medicine. Recent clinical studies have associated high TMB with improved patient response rates and survival benefit from immune checkpoint inhibitors; hence, TMB is emerging as a biomarker of response for these immunotherapy agents. However, variability in current methods for TMB estimation and reporting is evident, demonstrating a need for standardization and harmonization of TMB assessment methodology across assays and centers. Two uniquely placed organizations, Friends of Cancer Research (Friends) and the Quality Assurance Initiative Pathology (QuIP), have collaborated to coordinate efforts for international multistakeholder initiatives to address this need. Friends and QuIP, who have partnered with several academic centers, pharmaceutical organizations, and diagnostic companies, have adopted complementary, multidisciplinary approaches toward the goal of proposing evidence‐based recommendations for achieving consistent TMB estimation and reporting in clinical samples across assays and centers. Many factors influence TMB assessment, including preanalytical factors, choice of assay, and methods of reporting. Preliminary analyses highlight the importance of targeted gene panel size and composition, and bioinformatic parameters for reliable TMB estimation. Herein, Friends and QuIP propose recommendations toward consistent TMB estimation and reporting methods in clinical samples across assays and centers. These recommendations should be followed to minimize variability in TMB estimation and reporting, which will ensure reliable and reproducible identification of patients who are likely to benefit from immune checkpoint inhibitors.
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Affiliation(s)
- Albrecht Stenzinger
- Institute of Pathology, University Hospital Heidelberg (on behalf of QuIP® GmbH, Berlin, Germany), Heidelberg, Germany
| | - Jeffrey D Allen
- Science Policy, Friends of Cancer Research, Washington, District of Columbia
| | - Jörg Maas
- Management Department, QuIP® GmbH, Berlin, Germany
| | - Mark D Stewart
- Science Policy, Friends of Cancer Research, Washington, District of Columbia
| | - Diana M Merino
- Science Policy, Friends of Cancer Research, Washington, District of Columbia
| | - Madison M Wempe
- Science Policy, Friends of Cancer Research, Washington, District of Columbia
| | - Manfred Dietel
- Institute of Pathology, Charité Berlin (on behalf of QuIP® GmbH, Berlin, Germany), Berlin, Germany
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273
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Narang P, Chen M, Sharma AA, Anderson KS, Wilson MA. The neoepitope landscape of breast cancer: implications for immunotherapy. BMC Cancer 2019; 19:200. [PMID: 30832597 PMCID: PMC6399957 DOI: 10.1186/s12885-019-5402-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 02/22/2019] [Indexed: 02/07/2023] Open
Abstract
Background Cancer immunotherapy with immune checkpoint blockade (CKB) is now standard of care for multiple cancers. The clinical response to CKB is associated with T cell immunity targeting cancer-induced mutations that generate novel HLA-binding epitopes (neoepitopes). Methods Here, we developed a rapid bioinformatics pipeline and filtering strategy, EpitopeHunter, to identify and prioritize clinically relevant neoepitopes from the landscape of somatic mutations. We used the pipeline to determine the frequency of neoepitopes from the TCGA dataset of invasive breast cancers. We predicted HLA class I-binding neoepitopes for 870 breast cancer samples and filtered the neoepitopes based on tumor transcript abundance. Results We found that the total mutational burden (TMB) was highest for triple-negative breast cancer, TNBC, (median = 63 mutations, range: 2–765); followed by HER-2(+) (median = 39 mutations, range: 1–1206); and lowest for ER/PR(+)HER-2(−) (median = 32 mutations, range: 1–2860). 40% of the nonsynonymous mutations led to the generation of predicted neoepitopes. The neoepitope load (NEL) is highly correlated with the mutational burden (R2 = 0.86). Conclusions Only half (51%) of the predicted neoepitopes are expressed at the RNA level (FPKM≥2), indicating the importance of assessing whether neoepitopes are transcribed. However, of all patients, 93% have at least one expressed predicted neoepitope, indicating that most breast cancer patients have the potential for neo-epitope targeted immunotherapy. Electronic supplementary material The online version of this article (10.1186/s12885-019-5402-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Pooja Narang
- School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ, 85287-4501, USA
| | - Meixuan Chen
- School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ, 85287-4501, USA.,Center for Personalized Diagnostics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Amit A Sharma
- Center for Personalized Diagnostics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Karen S Anderson
- School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ, 85287-4501, USA. .,Center for Personalized Diagnostics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA.
| | - Melissa A Wilson
- School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ, 85287-4501, USA. .,Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA.
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274
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Abstract
Immunotherapy has become a powerful clinical strategy for treating cancer. The number of immunotherapy drug approvals has been increasing, with numerous treatments in clinical and preclinical development. However, a key challenge in the broad implementation of immunotherapies for cancer remains the controlled modulation of the immune system, as these therapeutics have serious adverse effects including autoimmunity and nonspecific inflammation. Understanding how to increase the response rates to various classes of immunotherapy is key to improving efficacy and controlling these adverse effects. Advanced biomaterials and drug delivery systems, such as nanoparticles and the use of T cells to deliver therapies, could effectively harness immunotherapies and improve their potency while reducing toxic side effects. Here, we discuss these research advances, as well as the opportunities and challenges for integrating delivery technologies into cancer immunotherapy, and we critically analyse the outlook for these emerging areas.
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Affiliation(s)
- Rachel S Riley
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Carl H June
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Robert Langer
- Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
| | - Michael J Mitchell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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275
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Herbert K, Binet R, Lambert JP, Louphrasitthiphol P, Kalkavan H, Sesma-Sanz L, Robles-Espinoza CD, Sarkar S, Suer E, Andrews S, Chauhan J, Roberts ND, Middleton MR, Gingras AC, Masson JY, Larue L, Falletta P, Goding CR. BRN2 suppresses apoptosis, reprograms DNA damage repair, and is associated with a high somatic mutation burden in melanoma. Genes Dev 2019; 33:310-332. [PMID: 30804224 PMCID: PMC6411009 DOI: 10.1101/gad.314633.118] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 01/04/2019] [Indexed: 01/04/2023]
Abstract
Herbert et al. show that BRN2 is associated with DNA damage response proteins and suppresses an apoptosis-associated gene expression program to protect against UVB-, chemotherapy-, and vemurafenib-induced apoptosis. Whether cell types exposed to a high level of environmental insults possess cell type-specific prosurvival mechanisms or enhanced DNA damage repair capacity is not well understood. BRN2 is a tissue-restricted POU domain transcription factor implicated in neural development and several cancers. In melanoma, BRN2 plays a key role in promoting invasion and regulating proliferation. Here we found, surprisingly, that rather than interacting with transcription cofactors, BRN2 is instead associated with DNA damage response proteins and directly binds PARP1 and Ku70/Ku80. Rapid PARP1-dependent BRN2 association with sites of DNA damage facilitates recruitment of Ku80 and reprograms DNA damage repair by promoting Ku-dependent nonhomologous end-joining (NHEJ) at the expense of homologous recombination. BRN2 also suppresses an apoptosis-associated gene expression program to protect against UVB-, chemotherapy- and vemurafenib-induced apoptosis. Remarkably, BRN2 expression also correlates with a high single-nucleotide variation prevalence in human melanomas. By promoting error-prone DNA damage repair via NHEJ and suppressing apoptosis of damaged cells, our results suggest that BRN2 contributes to the generation of melanomas with a high mutation burden. Our findings highlight a novel role for a key transcription factor in reprogramming DNA damage repair and suggest that BRN2 may impact the response to DNA-damaging agents in BRN2-expressing cancers.
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Affiliation(s)
- Katharine Herbert
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Romuald Binet
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Jean-Philippe Lambert
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.,Department of Molecular Medicine, Cancer Research Centre, Université Laval, Quebec G1V 0A6, Canada; CHU de Québec Research Center, CHUL, Quebec G1V 4G2, Canada
| | - Pakavarin Louphrasitthiphol
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Halime Kalkavan
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
| | - Laura Sesma-Sanz
- Genome Stability Laboratory, CHU de Oncology Division, Québec Research Center, Québec City, Quebec G1R 3S3, Canada.,Department of Molecular Biology, Medical Biochemistry, and Pathology, Laval University Cancer Research Center, Québec City, Quebec G1V 0A6, Canada
| | - Carla Daniela Robles-Espinoza
- Laboratorio Internacional de Investigación Sobre el Genoma Humano, Universidad Nacional Autónoma de México, Santiago de Querétaro 76230, Mexico.,Experimental Cancer Genetics, The Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire CB10 1SA, United Kingdom
| | - Sovan Sarkar
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Eda Suer
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Sarah Andrews
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Jagat Chauhan
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Nicola D Roberts
- The Cancer Genome Project, The Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire CB10 1SA, United Kingdom
| | - Mark R Middleton
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Anne-Claude Gingras
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Jean-Yves Masson
- Genome Stability Laboratory, CHU de Oncology Division, Québec Research Center, Québec City, Quebec G1R 3S3, Canada.,Department of Molecular Biology, Medical Biochemistry, and Pathology, Laval University Cancer Research Center, Québec City, Quebec G1V 0A6, Canada
| | - Lionel Larue
- Institut Curie, PSL Research University, Normal and Pathological Development of Melanocytes, U1021, Institut National de la Santé et de la Recherche Médicale (INSERM), 91405 Orsay, France.,University Paris-Sud, University Paris-Saclay, UMR 3347, Centre National de la Recherche Scientifique (CNRS), 91505 Orsay, France.,Equipe Labellisée Ligue Contre le Cancer, 91405 Orsay, France
| | - Paola Falletta
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom.,Università Vita-Salute San Raffaele, Milano, 20132 Milano MI, Italy
| | - Colin R Goding
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
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276
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Margolis N, Markovits E, Markel G. Reprogramming lymphocytes for the treatment of melanoma: From biology to therapy. Adv Drug Deliv Rev 2019; 141:104-124. [PMID: 31276707 DOI: 10.1016/j.addr.2019.06.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 05/31/2019] [Accepted: 06/24/2019] [Indexed: 12/15/2022]
Abstract
This decade has introduced drastic changes in melanoma therapy, predominantly due to the materialization of the long promise of immunotherapy. Cytotoxic T cells are the chief component of the immune system, which are targeted by different strategies aimed to increase their capacity against melanoma cells. To this end, reprogramming of T cells occurs by T cell centered manipulation, targeting the immunosuppressive tumor microenvironment or altering the whole patient. These are enabled by delivery of small molecules, functional monoclonal antibodies, different subunit vaccines, as well as living lymphocytes, native or genetically engineered. Current FDA-approved therapies are focused on direct T cell manipulation, such as immune checkpoint inhibitors blocking CTLA-4 and/or PD-1, which paves the way for an effective immunotherapy backbone available for combination with other modalities. Here we review the biology and clinical developments that enable melanoma immunotherapy today and in the future.
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277
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Büttner R, Longshore JW, López-Ríos F, Merkelbach-Bruse S, Normanno N, Rouleau E, Penault-Llorca F. Implementing TMB measurement in clinical practice: considerations on assay requirements. ESMO Open 2019; 4:e000442. [PMID: 30792906 PMCID: PMC6350758 DOI: 10.1136/esmoopen-2018-000442] [Citation(s) in RCA: 226] [Impact Index Per Article: 45.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 09/21/2018] [Indexed: 01/07/2023] Open
Abstract
Clinical evidence demonstrates that treatment with immune checkpoint inhibitor immunotherapy agents can have considerable benefit across multiple tumours. However, there is a need for the development of predictive biomarkers that identify patients who are most likely to respond to immunotherapy. Comprehensive characterisation of tumours using genomic, transcriptomic, and proteomic approaches continues to lead the way in advancing precision medicine. Genetic correlates of response to therapy have been known for some time, but recent clinical evidence has strengthened the significance of high tumour mutational burden (TMB) as a biomarker of response and hence a rational target for immunotherapy. Concordantly, immune checkpoint inhibitors have changed clinical practice for lung cancer and melanoma, which are tumour types with some of the highest mutational burdens. TMB is an implementable approach for molecular biology and/or pathology laboratories that provides a quantitative measure of the total number of mutations in tumour tissue of patients and can be assessed by whole genome, whole exome, or large targeted gene panel sequencing of biopsied material. Currently, TMB assessment is not standardised across research and clinical studies. As a biomarker that affects treatment decisions, it is essential to unify TMB assessment approaches to allow for reliable, comparable results across studies. When implementing TMB measurement assays, it is important to consider factors that may impact the method workflow, the results of the assay, and the interpretation of the data. Such factors include biopsy sample type, sample quality and quantity, genome coverage, sequencing platform, bioinformatic pipeline, and the definitions of the final threshold that determines high TMB. This review outlines the factors for adoption of TMB measurement into clinical practice, providing an understanding of TMB assay considerations throughout the sample journey, and suggests principles to effectively implement TMB assays in a clinical setting to aid and optimise treatment decisions.
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Affiliation(s)
- Reinhard Büttner
- Institute of Pathology, University Hospital Cologne, Cologne, Germany
| | - John W Longshore
- Atrium Health, Carolinas Pathology Group, Charlotte, North Carolina, USA
| | - Fernando López-Ríos
- Laboratorio de Dianas Terapéuticas, Hospital Universitario HM Sanchinarro, Madrid, Spain
| | | | - Nicola Normanno
- Cell Biology and Biotherapy Unit, Istituto Nazionale Tumori 'Fondazione Giovanni Pascale' IRCCS, Naples, Italy
| | - Etienne Rouleau
- Department of Pathology and Medical Biology, Institut Gustave Roussy, Villejuif, France
| | - Frédérique Penault-Llorca
- Department of Biopathology, Centre Jean Perrin, Clermont-Ferrand, France.,UMR INSERM 1240 Imagerie Moléculaire et Stratégies Théranostiques, Université Clermont-Auvergne, Clermont-Ferrand, France
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278
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Surowy HM, Giesen AK, Otte J, Büttner R, Falkenstein D, Friedl H, Meier F, Petzsch P, Wachtmeister T, Westphal D, Wieczorek D, Wruck W, Adjaye J, Rütten A, Redler S. Gene expression profiling in aggressive digital papillary adenocarcinoma sheds light on the architecture of a rare sweat gland carcinoma. Br J Dermatol 2019; 180:1150-1160. [PMID: 30472730 DOI: 10.1111/bjd.17446] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2018] [Indexed: 12/26/2022]
Abstract
BACKGROUND Sweat gland carcinomas are rare cutaneous adnexal malignancies. Aggressive digital papillary adenocarcinoma (ADPA) represents a very rare subentity, thought to arise almost exclusively from the sweat glands of the fingers and toes. The aetiology of sweat gland carcinomas and ADPA is largely unknown. ADPAs are most likely driven by somatic mutations. However, somatic mutation patterns are largely unexplored, creating barriers to the development of effective therapeutic approaches to the treatment of ADPA. OBJECTIVES To investigate the transcriptome profile of ADPA using a sample of eight formalin-fixed, paraffin-embedded tissue samples of ADPA and healthy control tissue. METHODS Transcriptome profiling was performed using the Affymetrix PrimeView Human Gene Expression Microarray and findings were validated via reverse transcription of RNA and real-time quantitative polymerase chain reaction. RESULTS Transcriptome analyses showed increased tumour expression of 2266 genes, with significant involvement of cell cycle, ribosomal and crucial cancer pathways. Our results point to tumour overexpression of FGFR2 (P = 0·001). CONCLUSIONS The results indicate the involvement of crucial oncogenic driver pathways, highlighting cell cycle and ribosomal pathways in the aetiology of ADPA. Suggested tumour overexpression of FGFR2 raises the hope that targeting the fibroblast growth factor (FGF)/FGF receptor axis might be a promising treatment for ADPA and probably for the overall group of sweat gland carcinomas.
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Affiliation(s)
- H M Surowy
- Heinrich-Heine-University, Medical Faculty, Institute of Human Genetics, Düsseldorf, Germany
| | - A K Giesen
- Heinrich-Heine-University, Medical Faculty, Institute of Human Genetics, Düsseldorf, Germany
| | - J Otte
- Institute for Stem Cell Research and Regenerative Medicine, Düsseldorf, Germany
| | - R Büttner
- Pathology, Institute for Pathology, University Hospital Cologne, Cologne, Germany
| | - D Falkenstein
- Heinrich-Heine-University, Medical Faculty, Institute of Human Genetics, Düsseldorf, Germany
| | - H Friedl
- Klinikum Darmstadt, Department of Dermatology, Darmstadt, Germany
| | - F Meier
- Department of Dermatology, Carl Gustav Carus Medical Center, TU Dresden, Dresden, Germany.,National Center for Tumour Diseases (NCT), Partner Site Dresden, Dresden, Germany
| | - P Petzsch
- Biological and Medical Research Center (BMFZ), Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - T Wachtmeister
- Biological and Medical Research Center (BMFZ), Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - D Westphal
- Department of Dermatology, Carl Gustav Carus Medical Center, TU Dresden, Dresden, Germany.,National Center for Tumour Diseases (NCT), Partner Site Dresden, Dresden, Germany
| | - D Wieczorek
- Heinrich-Heine-University, Medical Faculty, Institute of Human Genetics, Düsseldorf, Germany
| | - W Wruck
- Institute for Stem Cell Research and Regenerative Medicine, Düsseldorf, Germany
| | - J Adjaye
- Institute for Stem Cell Research and Regenerative Medicine, Düsseldorf, Germany
| | - A Rütten
- Dermatopathology, Bodensee, Siemensstrasse 6/1, 88048, Friedrichshafen, Germany
| | - S Redler
- Heinrich-Heine-University, Medical Faculty, Institute of Human Genetics, Düsseldorf, Germany
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279
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Chen Q, Chen M, Liu Z. Local biomaterials-assisted cancer immunotherapy to trigger systemic antitumor responses. Chem Soc Rev 2019; 48:5506-5526. [DOI: 10.1039/c9cs00271e] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Cancer immunotherapy by educating or stimulating patients’ own immune systems to attack cancer cells has demonstrated promising therapeutic responses in the clinic.
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Affiliation(s)
- Qian Chen
- Institute of Functional Nano & Soft Materials (FUNSOM)
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
- Soochow University
- Suzhou
- P. R. China
| | - Muchao Chen
- Institute of Functional Nano & Soft Materials (FUNSOM)
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
- Soochow University
- Suzhou
- P. R. China
| | - Zhuang Liu
- Institute of Functional Nano & Soft Materials (FUNSOM)
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
- Soochow University
- Suzhou
- P. R. China
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280
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Chan TA, Yarchoan M, Jaffee E, Swanton C, Quezada SA, Stenzinger A, Peters S. Development of tumor mutation burden as an immunotherapy biomarker: utility for the oncology clinic. Ann Oncol 2019; 30:44-56. [PMID: 30395155 PMCID: PMC6336005 DOI: 10.1093/annonc/mdy495] [Citation(s) in RCA: 1624] [Impact Index Per Article: 324.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background Treatment with immune checkpoint blockade (ICB) with agents such as anti-programmed cell death protein 1 (PD-1), anti-programmed death-ligand 1 (PD-L1), and/or anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) can result in impressive response rates and durable disease remission but only in a subset of patients with cancer. Expression of PD-L1 has demonstrated utility in selecting patients for response to ICB and has proven to be an important biomarker for patient selection. Tumor mutation burden (TMB) is emerging as a potential biomarker. However, refinement of interpretation and contextualization is required. Materials and methods In this review, we outline the evolution of TMB as a biomarker in oncology, delineate how TMB can be applied in the clinic, discuss current limitations as a diagnostic test, and highlight mechanistic insights unveiled by the study of TMB. We review available data to date studying TMB as a biomarker for response to ICB by tumor type, focusing on studies proposing a threshold for TMB as a predictive biomarker for ICB activity. Results High TMB consistently selects for benefit with ICB therapy. In lung, bladder and head and neck cancers, the current predictive TMB thresholds proposed approximate 200 non-synonymous somatic mutations by whole exome sequencing (WES). PD-L1 expression influences response to ICB in high TMB tumors with single agent PD-(L)1 antibodies; however, response may not be dependent on PD-L1 expression in the setting of anti-CTLA4 or anti-PD-1/CTLA-4 combination therapy. Disease-specific TMB thresholds for effective prediction of response in various other malignancies are not well established. Conclusions TMB, in concert with PD-L1 expression, has been demonstrated to be a useful biomarker for ICB selection across some cancer types; however, further prospective validation studies are required. TMB determination by selected targeted panels has been correlated with WES. Calibration and harmonization will be required for optimal utility and alignment across all platforms currently used internationally. Key challenges will need to be addressed before broader use in different tumor types.
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Affiliation(s)
- T A Chan
- Human Oncology and Pathogenesis Program; The Immunogenomics and Precision Oncology Program, Memorial Sloan Kettering Cancer Center, New York.
| | - M Yarchoan
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, USA
| | - E Jaffee
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, USA
| | - C Swanton
- Translational Cancer Therapeutics Laboratory, Francis Crick Institute, London
| | - S A Quezada
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK
| | - A Stenzinger
- Institute of Pathology, University Hospital Heidelberg, Heidelberg; Germany and German Cancer Consortium (DKTK), Heidelberg Partner Site, Heidelberg, Germany
| | - S Peters
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland.
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281
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Abstract
Malignant transformation of cells depends on accumulation of DNA damage. Over the past years we have learned that the T cell-based immune system frequently responds to the neoantigens that arise as a consequence of this DNA damage. Furthermore, recognition of neoantigens appears an important driver of the clinical activity of both T cell checkpoint blockade and adoptive T cell therapy as cancer immunotherapies. Here we review the evidence for the relevance of cancer neoantigens in tumor control and the biological properties of these antigens. We discuss recent technological advances utilized to identify neoantigens, and the T cells that recognize them, in individual patients. Finally, we discuss strategies that can be employed to exploit cancer neoantigens in clinical interventions.
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Affiliation(s)
- Ton N Schumacher
- Division of Molecular Oncology and Immunology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands; , .,Oncode Institute, 3521AL Utrecht, The Netherlands
| | - Wouter Scheper
- Division of Molecular Oncology and Immunology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands; , .,Oncode Institute, 3521AL Utrecht, The Netherlands
| | - Pia Kvistborg
- Division of Molecular Oncology and Immunology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands; ,
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282
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Buckle AM, Borg NA. Integrating Experiment and Theory to Understand TCR-pMHC Dynamics. Front Immunol 2018; 9:2898. [PMID: 30581442 PMCID: PMC6293202 DOI: 10.3389/fimmu.2018.02898] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 11/26/2018] [Indexed: 11/13/2022] Open
Abstract
The conformational dynamism of proteins is well established. Rather than having a single structure, proteins are more accurately described as a conformational ensemble that exists across a rugged energy landscape, where different conformational sub-states interconvert. The interaction between αβ T cell receptors (TCR) and cognate peptide-MHC (pMHC) is no exception, and is a dynamic process that involves substantial conformational change. This review focuses on technological advances that have begun to establish the role of conformational dynamics and dynamic allostery in TCR recognition of the pMHC and the early stages of signaling. We discuss how the marriage of molecular dynamics (MD) simulations with experimental techniques provides us with new ways to dissect and interpret the process of TCR ligation. Notably, application of simulation techniques lags behind other fields, but is predicted to make substantial contributions. Finally, we highlight integrated approaches that are being used to shed light on some of the key outstanding questions in the early events leading to TCR signaling.
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Affiliation(s)
- Ashley M Buckle
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - Natalie A Borg
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
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283
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Adoptive cellular therapies: the current landscape. Virchows Arch 2018; 474:449-461. [PMID: 30470934 PMCID: PMC6447513 DOI: 10.1007/s00428-018-2484-0] [Citation(s) in RCA: 226] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/05/2018] [Accepted: 11/05/2018] [Indexed: 12/11/2022]
Abstract
For many cancer types, the immune system plays an essential role in their development and growth. Based on these rather novel insights, immunotherapeutic strategies have been developed. In the past decade, immune checkpoint blockade has demonstrated a major breakthrough in cancer treatment and has currently been approved for the treatment of multiple tumor types. Adoptive cell therapy (ACT) with tumor-infiltrating lymphocytes (TIL) or gene-modified T cells expressing novel T cell receptors (TCR) or chimeric antigen receptors (CAR) is another strategy to modify the immune system to recognize tumor cells and thus carry out an anti-tumor effector function. These treatments have shown promising results in various tumor types, and multiple clinical trials are being conducted worldwide to further optimize this treatment modality. Most successful results were obtained in hematological malignancies with the use of CD19-directed CAR T cell therapy and already led to the commercial approval by the FDA. This review provides an overview of the developments in ACT, the associated toxicity, and the future potential of ACT in cancer treatment.
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284
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Levin A, Hari P, Dhakal B. Novel biomarkers in multiple myeloma. Transl Res 2018; 201:49-59. [PMID: 30301522 DOI: 10.1016/j.trsl.2018.05.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 05/10/2018] [Accepted: 05/22/2018] [Indexed: 11/24/2022]
Abstract
Significant advancements have been made in the molecular mechanisms of myelomagenesis, diagnostic methods, prognostication, and the treatment options in multiple myeloma (MM) over the last decade. Despite these, MM remains a heterogeneous disease with differing outcomes. As myeloma treatment landscape continues to expand, personalized treatment that provides maximum benefit to a specific patient becomes more important. In the last few years, serum monoclonal proteins including the serum-free light chain assays, imaging, and cytogenetics have been used to predict the outcomes of MM patients receiving different types of therapies. With the development of novel technologies, more sensitive detection of residual disease using flow cytometry and next-generation sequencing has been possible. In addition, liquid biopsies using circulating tumor cells, tumor DNA, and novel immune biomarkers are potentially being investigated. These novel potential biomarkers not only accurately detect the mutational landscape of different cancers compared to standard methods but also serve as prognostic and predictive biomarkers for disease relapse and response to therapy. It is likely that we will be able to offer more targeted and risk-adapted therapeutic approach to patients with MM at different stages of their disease guided by these potential biomarkers.
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Affiliation(s)
- Adam Levin
- Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Parameswaran Hari
- Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Binod Dhakal
- Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin.
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285
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Tuccitto A, Shahaj E, Vergani E, Ferro S, Huber V, Rodolfo M, Castelli C, Rivoltini L, Vallacchi V. Immunosuppressive circuits in tumor microenvironment and their influence on cancer treatment efficacy. Virchows Arch 2018; 474:407-420. [PMID: 30374798 DOI: 10.1007/s00428-018-2477-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 10/10/2018] [Accepted: 10/14/2018] [Indexed: 01/05/2023]
Abstract
It has been for long conceived that hallmarks of cancer were intrinsic genetic features driving tumor development, proliferation, and progression, and that targeting such cell-autonomous pathways could be sufficient to achieve therapeutic cancer control. Clinical ex vivo data demonstrated that treatment efficacy often relied on the contribution of host immune responses, hence introducing the concept of tumor microenvironment (TME), namely the existence, along with tumor cells, of non-tumor components that could significantly influence tumor growth and survival. Among the complex network of TME-driving forces, immunity plays a key role and the balance between antitumor and protumor immune responses is a major driver in contrasting or promoting cancer spreading. TME is usually a very immunosuppressed milieu because of a vast array of local alterations contrasting antitumor adaptive immunity, where metabolic changes contribute to cancer dissemination by impairing T cell infiltration and favoring the accrual and activation of regulatory cells. Subcellular structures known as extracellular vesicles then help spreading immunosuppression at systemic levels by distributing genetic and protein tumor repertoire in distant tissues. A major improvement in the knowledge of TME is now pointing the attention back to tumor cells; indeed, recent findings are showing how oncogenic pathways and specific mutations in tumor cells can actually dictate the nature and the function of immune infiltrate. As our information on the reciprocal interactions regulating TME increases, finding a strategy to interfere with TME crosstalk becomes more complex and challenging. Nevertheless, TME interactions represent a promising field for the discovery of novel biomarkers and therapeutic targets for improving treatment efficacy in cancer.
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Affiliation(s)
- Alessandra Tuccitto
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Eriomina Shahaj
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy.
| | - Elisabetta Vergani
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Simona Ferro
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Veronica Huber
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Monica Rodolfo
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Chiara Castelli
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Licia Rivoltini
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
| | - Viviana Vallacchi
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via G. Venezian 1, 20133, Milan, Italy
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286
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Helgadottir H, Ghiorzo P, van Doorn R, Puig S, Levin M, Kefford R, Lauss M, Queirolo P, Pastorino L, Kapiteijn E, Potrony M, Carrera C, Olsson H, Höiom V, Jönsson G. Efficacy of novel immunotherapy regimens in patients with metastatic melanoma with germline CDKN2A mutations. J Med Genet 2018; 57:316-321. [PMID: 30291219 PMCID: PMC7231460 DOI: 10.1136/jmedgenet-2018-105610] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 08/23/2018] [Accepted: 09/11/2018] [Indexed: 01/30/2023]
Abstract
Background Inherited CDKN2A mutation is a strong risk factor for cutaneous melanoma. Moreover, carriers have been found to have poor melanoma-specific survival. In this study, responses to novel immunotherapy agents in CDKN2A mutation carriers with metastatic melanoma were evaluated. Methods CDKN2A mutation carriers that have developed metastatic melanoma and undergone immunotherapy treatments were identified among carriers enrolled in follow-up studies for familial melanoma. The carriers’ responses were compared with responses reported in phase III clinical trials for CTLA-4 and PD-1 inhibitors. From publicly available data sets, melanomas with somatic CDKN2A mutation were analysed for association with tumour mutational load. Results Eleven of 19 carriers (58%) responded to the therapy, a significantly higher frequency than observed in clinical trials (p=0.03, binomial test against an expected rate of 37%). Further, 6 of the 19 carriers (32%) had complete response, a significantly higher frequency than observed in clinical trials (p=0.01, binomial test against an expected rate of 7%). In 118 melanomas with somatic CDKN2A mutations, significantly higher total numbers of mutations were observed compared with 761 melanomas without CDKN2A mutation (Wilcoxon test, p<0.001). Conclusion Patients with CDKN2A mutated melanoma may have improved immunotherapy responses due to increased tumour mutational load, resulting in more neoantigens and stronger antitumorous immune responses.
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Affiliation(s)
- Hildur Helgadottir
- Department of Oncology Pathology, Karolinska Institutet and Karolinska University Hospital Solna, Stockholm, Sweden
| | - Paola Ghiorzo
- Department of Internal Medicine and Medical Specialties, University of Genoa and Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Susana Puig
- Melanoma Unit, Dermatology Department, Hospital Clinic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras, Instituto de Salud Carlos III, Barcelona, Spain
| | - Max Levin
- Department of Oncology, The Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden
| | - Richard Kefford
- Department of Clinical Medicine, Westmead Hospital and Macquarie University, Sydney, New South Wales, Australia
| | - Martin Lauss
- Department of Oncology, Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Paola Queirolo
- Department of Medical Oncology, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Lorenza Pastorino
- Department of Internal Medicine and Medical Specialties, University of Genoa and Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Ellen Kapiteijn
- Department of Medical Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | - Miriam Potrony
- Melanoma Unit, Dermatology Department, Hospital Clinic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras, Instituto de Salud Carlos III, Barcelona, Spain
| | - Cristina Carrera
- Melanoma Unit, Dermatology Department, Hospital Clinic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras, Instituto de Salud Carlos III, Barcelona, Spain
| | - Håkan Olsson
- Department of Oncology, Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Veronica Höiom
- Department of Oncology Pathology, Karolinska Institutet and Karolinska University Hospital Solna, Stockholm, Sweden
| | - Göran Jönsson
- Department of Oncology, Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
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287
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Seo JS, Kim A, Shin JY, Kim YT. Comprehensive analysis of the tumor immune micro-environment in non-small cell lung cancer for efficacy of checkpoint inhibitor. Sci Rep 2018; 8:14576. [PMID: 30275546 PMCID: PMC6167371 DOI: 10.1038/s41598-018-32855-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 09/17/2018] [Indexed: 12/22/2022] Open
Abstract
Characterizing the molecular immune subtype and micro-environment of lung cancer is necessary to understand immunogenic interactions between infiltrating immune and stromal cells, and how tumor cells overcome immune checkpoint blockades. This study seeks to identify computational methodologies for subtyping gene expression-based tumor-immune micro-environment interactions, which differentiate non-small cell lung cancer (NSCLC) into immune-defective and immune-competent subtypes. Here, 101 lung squamous cell carcinomas (LUSCs) and 87 lung adenocarcinomas (LUADs) tumor samples have been analyzed. Several micro-environmental factors differentially induce LUAD or LUSC immune subtypes, as well as immune checkpoint expression. In particular, tumor-associated macrophages (TAMs) are key immune cells play a vital role in inflammation and cancer micro-environments of LUSCs; whereas, regulatory B cells are immunosuppressive and tumorigenic in LUADs. Additionally, cytolytic activity upon CD8+ T cell activation is decreased by the abundance of B cells and macrophages in immune-competent subtypes. Therefore, identifying immune subtypes in lung cancer and their impact on tumor micro-environment will lead to clinical tools for assessing LUADs and LUSCs in patients, as well as maximize the efficacy of immune checkpoint inhibitors.
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Affiliation(s)
- Jeong-Sun Seo
- Precision Medicine Center, Seoul National University Bundang Hospital, Seongnamsi, 13605, Korea. .,Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, 03080, Republic of Korea. .,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea. .,Macrogen Inc., Seoul, 08511, Korea.
| | - Ahreum Kim
- Precision Medicine Center, Seoul National University Bundang Hospital, Seongnamsi, 13605, Korea.,Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, 03080, Republic of Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Jong-Yeon Shin
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, 03080, Republic of Korea.,Macrogen Inc., Seoul, 08511, Korea
| | - Young Tae Kim
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, 03080, Republic of Korea. .,Seoul National University Cancer Research Institute, Seoul, Republic of Korea. .,Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul, 03080, Korea.
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288
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Abstract
This review discusses the rapidly evolving field of immunotherapy research, focusing on the types of cancer antigens that can be recognised by the immune system and potential methods by which neoantigens can be exploited clinically to successfully target and clear tumour cells. Recent studies suggest that the likelihood of successful immunotherapeutic targeting of cancer will be reliant on immune response to neoantigens. This type of cancer-specific antigen arises from somatic variants that result in alteration of the expressed protein sequence. Massively parallel sequencing techniques now allow the rapid identification of these genomic mutations, and algorithms can be used to predict those that will be processed by the proteasome, bind to the transporter complex and encode peptides that bind strongly to individual MHC molecules. The emerging data from assessment of the immunogenicity of neoantigens suggests that only a minority of mutations will form targetable epitopes and therefore the potential for immunotherapeutic targeting will be greater in cancers with a higher frequency of protein-altering somatic variants. It is evident that neoantigens contribute to the success of some immunotherapeutic interventions and that there is significant scope for specific targeting of these antigens to develop new treatment approaches.
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Affiliation(s)
- Antonia L Pritchard
- Genetics and Immunology Research Group, An Lòchran, 10 Inverness Campus, Inverness, IV2 5NA, Scotland, UK.
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289
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Nichols BA, Oswald NW, McMillan EA, McGlynn K, Yan J, Kim MS, Saha J, Mallipeddi PL, LaDuke SA, Villalobos PA, Rodriguez-Canales J, Wistuba II, Posner BA, Davis AJ, Minna JD, MacMillan JB, Whitehurst AW. HORMAD1 Is a Negative Prognostic Indicator in Lung Adenocarcinoma and Specifies Resistance to Oxidative and Genotoxic Stress. Cancer Res 2018; 78:6196-6208. [PMID: 30185546 DOI: 10.1158/0008-5472.can-18-1377] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/10/2018] [Accepted: 08/30/2018] [Indexed: 12/21/2022]
Abstract
Cancer testis antigens (CTA) are expressed in testis and placenta and anomalously activated in a variety of tumors. The mechanistic contribution of CTAs to neoplastic phenotypes remains largely unknown. Using a chemigenomics approach, we find that the CTA HORMAD1 correlates with resistance to the mitochondrial complex I inhibitor piericidin A in non-small cell lung cancer (NSCLC). Resistance was due to a reductive intracellular environment that attenuated the accumulation of free radicals. In human lung adenocarcinoma (LUAD) tumors, patients expressing high HORMAD1 exhibited elevated mutational burden and reduced survival. HORMAD1 tumors were enriched for genes essential for homologous recombination (HR), and HORMAD1 promoted RAD51-filament formation, but not DNA resection, during HR. Accordingly, HORMAD1 loss enhanced sensitivity to γ-irradiation and PARP inhibition, and HORMAD1 depletion significantly reduced tumor growth in vivo These results suggest that HORMAD1 expression specifies a novel subtype of LUAD, which has adapted to mitigate DNA damage. In this setting, HORMAD1 could represent a direct target for intervention to enhance sensitivity to DNA-damaging agents or as an immunotherapeutic target in patients.Significance: This study uses a chemigenomics approach to demonstrate that anomalous expression of the CTA HORMAD1 specifies resistance to oxidative stress and promotes HR to support tumor cell survival in NSCLC. Cancer Res; 78(21); 6196-208. ©2018 AACR.
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Affiliation(s)
- Brandt A Nichols
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Nathaniel W Oswald
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, Texas
| | | | - Kathleen McGlynn
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Jingsheng Yan
- Department of Clinical Sciences, UT Southwestern Medical Center, Dallas, Texas
| | - Min S Kim
- Department of Clinical Sciences, UT Southwestern Medical Center, Dallas, Texas
| | - Janapriya Saha
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas
| | - Prema L Mallipeddi
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, Texas
| | - Sydnie A LaDuke
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Pamela A Villalobos
- Department of Translational Molecular Pathology, M.D. Anderson Cancer Center, Houston, Texas
| | - Jaime Rodriguez-Canales
- Department of Translational Molecular Pathology, M.D. Anderson Cancer Center, Houston, Texas
| | - Ignacio I Wistuba
- Department of Translational Molecular Pathology, M.D. Anderson Cancer Center, Houston, Texas
| | - Bruce A Posner
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, Texas
| | - Anthony J Davis
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas
| | - John D Minna
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas.,Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, Dallas, Texas
| | - John B MacMillan
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, California
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290
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Met Ö, Jensen KM, Chamberlain CA, Donia M, Svane IM. Principles of adoptive T cell therapy in cancer. Semin Immunopathol 2018; 41:49-58. [PMID: 30187086 DOI: 10.1007/s00281-018-0703-z] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Accepted: 08/13/2018] [Indexed: 01/01/2023]
Abstract
Adoptive cell therapy (ACT) utilizing either tumor-infiltrating lymphocyte (TIL)-derived T cells or T cells genetically engineered to express tumor recognizing receptors has emerged as a powerful and potentially curative therapy for several cancers. Many ACT-based therapies have recently entered late-phase clinical testing, with several T cell therapies already achieving regulatory approval for the treatment of patients with B cell malignancies. In this review, we briefly outline the principles of adoptively transferred T cells for the treatment of cancer.
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Affiliation(s)
- Özcan Met
- Center for Cancer Immune Therapy, Department of Hematology, Copenhagen University Hospital, Entrance 81, Floor 05, 2730, Herlev, Denmark.
- Department of Oncology, Copenhagen University Hospital, Herlev, Denmark.
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Kasper Mølgaard Jensen
- Center for Cancer Immune Therapy, Department of Hematology, Copenhagen University Hospital, Entrance 81, Floor 05, 2730, Herlev, Denmark
| | - Christopher Aled Chamberlain
- Center for Cancer Immune Therapy, Department of Hematology, Copenhagen University Hospital, Entrance 81, Floor 05, 2730, Herlev, Denmark
| | - Marco Donia
- Center for Cancer Immune Therapy, Department of Hematology, Copenhagen University Hospital, Entrance 81, Floor 05, 2730, Herlev, Denmark
- Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Inge Marie Svane
- Center for Cancer Immune Therapy, Department of Hematology, Copenhagen University Hospital, Entrance 81, Floor 05, 2730, Herlev, Denmark
- Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
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291
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Zhao Y, Schaafsma E, Gorlov IP, Hernando E, Thomas NE, Shen R, Turk MJ, Berwick M, Amos CI, Cheng C. A Leukocyte Infiltration Score Defined by a Gene Signature Predicts Melanoma Patient Prognosis. Mol Cancer Res 2018; 17:109-119. [PMID: 30171176 DOI: 10.1158/1541-7786.mcr-18-0173] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 06/27/2018] [Accepted: 08/20/2018] [Indexed: 12/21/2022]
Abstract
Melanoma is the most aggressive type of skin cancer in the United States with an increasing incidence. Melanoma lesions often exhibit high immunogenicity, with infiltrating immune cells playing important roles in regression of tumors occurring spontaneously or caused by therapeutic treatment. Computational and experimental methods have been used to estimate the abundance of immune cells in tumors, but their applications are limited by the requirement of large gene sets or multiple antibodies. Although the prognostic role of immune cells has been appreciated, a systematic investigation of their association with clinical factors, genomic features, prognosis and treatment response in melanoma is still lacking. This study, identifies a 25-gene signature based on RNA-seq data from The Cancer Genome Atlas (TCGA)-Skin Cutaneous Melanoma (TCGA-SKCM) dataset. This signature was used to calculate sample-specific Leukocyte Infiltration Scores (LIS) in six independent melanoma microarray datasets and scores were found to vary substantially between different melanoma lesion sites and molecular subtypes. For metastatic melanoma, LIS was prognostic in all datasets with high LIS being associated with good survival. The current approach provided additional prognostic information over established clinical factors, including age, tumor stage, and gender. In addition, LIS was predictive of patient survival in stage III melanoma, and treatment efficacy of tumor-specific antigen vaccine. IMPLICATIONS: This study identifies a 25-gene signature that effectively estimates the level of immune cell infiltration in melanoma, which provides a robust biomarker for predicting patient prognosis.
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Affiliation(s)
- Yanding Zhao
- Department of Biomedical Data Science, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire.,Department of Molecular and Systems Biology, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire
| | - Evelien Schaafsma
- Department of Biomedical Data Science, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire.,Department of Molecular and Systems Biology, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire
| | - Ivan P Gorlov
- Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire
| | - Eva Hernando
- Department of Pathology, New York University School of Medicine, New York, New York
| | - Nancy E Thomas
- Department of Dermatology, University of North Carolina, Chapel Hill, North Carolina
| | - Ronglai Shen
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Mary Jo Turk
- Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire.,Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth College, New Hampshire
| | - Marianne Berwick
- Department of Internal Medicine and Department of Dermatology, University of New Mexico, Albuquerque, New Mexico
| | | | - Chao Cheng
- Department of Biomedical Data Science, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire. .,Department of Molecular and Systems Biology, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire.,Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire
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292
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Hutchison S, Pritchard AL. Identifying neoantigens for use in immunotherapy. Mamm Genome 2018; 29:714-730. [PMID: 30167844 PMCID: PMC6267674 DOI: 10.1007/s00335-018-9771-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 08/08/2018] [Indexed: 12/14/2022]
Abstract
This review focuses on the types of cancer antigens that can be recognised by the immune system and form due to alterations in the cancer genome, including cancer testis, overexpressed and neoantigens. Specifically, neoantigens can form when cancer cell-specific mutations occur that result in alterations of the protein from ‘self’. This type of antigen can result in an immune response sufficient to clear tumour cells when activated. Furthermore, studies have reported that the likelihood of successful immunotherapeutic targeting of cancer by many different methods was reliant on immune response to neoantigens. The recent resurgence of interest in the immune response to tumour cells, in conjunction with technological advances, has resulted in a large increase in the predicted, identified and functionally confirmed neoantigens. This growth in identified neoantigen sequences has increased the contents of training sets for algorithms, which in turn improves the prediction of which genetic mutations may form neoantigens. Additionally, algorithms predicting how proteins will be processed into peptide epitopes by the proteasome and which peptides bind to the transporter complex are also improving with this research. Now that large screens of all the tumour-specific protein altering mutations are possible, the emerging data from assessment of the immunogenicity of neoantigens suggest that only a minority of variants will form targetable epitopes. The potential for immunotherapeutic targeting of neoantigens will therefore be greater in cancers with a higher frequency of protein altering somatic variants. There is considerable potential in the use of neoantigens to treat patients, either alone or in combination with other immunotherapies and with continued advancements, these potentials will be realised.
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Affiliation(s)
- Sharon Hutchison
- Genetics and Immunology Research Group, University of the Highlands and Islands, An Lòchran, 10 Inverness Campus, Inverness, IV2 5NA, Scotland, UK
| | - Antonia L Pritchard
- Genetics and Immunology Research Group, University of the Highlands and Islands, An Lòchran, 10 Inverness Campus, Inverness, IV2 5NA, Scotland, UK.
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293
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Silva IPD, Batten M, Long GV. Reinvigorating tumour-infiltrating lymphocytes from checkpoint inhibitor resistant melanomas. Br J Cancer 2018; 119:661-662. [PMID: 30131552 PMCID: PMC6173735 DOI: 10.1038/s41416-018-0218-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 06/27/2018] [Accepted: 06/27/2018] [Indexed: 01/11/2023] Open
Affiliation(s)
- Inês Pires da Silva
- Melanoma Institute Australia, Sydney, NSW, Australia.,Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Marcel Batten
- Melanoma Institute Australia, Sydney, NSW, Australia.,Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Georgina V Long
- Melanoma Institute Australia, Sydney, NSW, Australia. .,Sydney Medical School, The University of Sydney, Sydney, NSW, Australia. .,Royal North Shore Hospital, Sydney, NSW, Australia.
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294
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Marijt KA, Blijleven L, Verdegaal EME, Kester MG, Kowalewski DJ, Rammensee HG, Stevanović S, Heemskerk MHM, van der Burg SH, van Hall T. Identification of non-mutated neoantigens presented by TAP-deficient tumors. J Exp Med 2018; 215:2325-2337. [PMID: 30115740 PMCID: PMC6122969 DOI: 10.1084/jem.20180577] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 05/30/2018] [Accepted: 07/10/2018] [Indexed: 12/29/2022] Open
Abstract
A hybrid forward-reversed immunological screen is performed to identify 16 novel HLA-A2 presented cancer antigens. These peptides are selectively presented by immune-escaped cancer cells with defects in the peptide transporter TAP. In contrast to mutated neoantigens, these “self” neoantigens are universally presented across different cancer types. Most T cell–based immunotherapies of cancer depend on intact antigen presentation by HLA class I molecules (HLA-I). However, defects in the antigen-processing machinery can cause downregulation of HLA-I, rendering tumor cells resistant to CD8+ T cells. Previously, we demonstrated that a unique category of cancer antigens is selectively presented by tumor cells deficient for the peptide transporter TAP, enabling a specific attack of such tumors without causing immunopathology in mouse models. With a novel combinatorial screening approach, we now identify 16 antigens of this category in humans. These HLA-A*02:01 presented peptides do not derive from the mutanome of cancers, but are of “self” origin and therefore constitute universal neoantigens. Indeed, CD8+ T cells specific for the leader peptide of the ubiquitously expressed LRPAP1 protein recognized TAP-deficient, HLA-Ilow lymphomas, melanomas, and renal and colon carcinomas, but not healthy counterparts. In contrast to personalized mutanome-targeted therapies, these conserved neoantigens and their cognate receptors can be exploited for immune-escaped cancers across diverse histological origins.
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Affiliation(s)
- Koen A Marijt
- Department of Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
| | - Laura Blijleven
- Department of Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
| | - Els M E Verdegaal
- Department of Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
| | - Michel G Kester
- Department of Hematology, Leiden University Medical Center, Leiden, Netherlands
| | - Daniel J Kowalewski
- Department of Immunology, Institute for Cell Biology, University of Tübingen, Tübingen, Germany.,German Cancer Consortium, German Cancer Research Center, Tübingen, Germany
| | - Hans-Georg Rammensee
- Department of Immunology, Institute for Cell Biology, University of Tübingen, Tübingen, Germany.,German Cancer Consortium, German Cancer Research Center, Tübingen, Germany
| | - Stefan Stevanović
- Department of Immunology, Institute for Cell Biology, University of Tübingen, Tübingen, Germany.,German Cancer Consortium, German Cancer Research Center, Tübingen, Germany
| | | | - Sjoerd H van der Burg
- Department of Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
| | - Thorbald van Hall
- Department of Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
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295
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Knochelmann HM, Smith AS, Dwyer CJ, Wyatt MM, Mehrotra S, Paulos CM. CAR T Cells in Solid Tumors: Blueprints for Building Effective Therapies. Front Immunol 2018; 9:1740. [PMID: 30140266 PMCID: PMC6094980 DOI: 10.3389/fimmu.2018.01740] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 07/13/2018] [Indexed: 01/06/2023] Open
Abstract
Genetic redirection of T lymphocytes with chimeric antigen receptors (CARs) has soared from treating cancers preclinically to FDA approval for hematologic malignancies and commercial-grade production scale in under 30 years. To date, solid tumors are less susceptible to CAR therapies and instead have been treated more successfully with immune checkpoint blockade or tumor-infiltrating lymphocyte therapy. Here, we discuss the current challenges in treating solid tumors with CAR T cells, and the obstacles within the host and tumor microenvironment hindering their efficacy. We present a novel three-pronged approach for enhancing the efficacy of CAR T cells whereby a single infusion product can synergize the power of an optimal CAR construct, a highly potent T cell subset, and rejuvenate the endogenous immune response to conquer therapeutically-resistant solid tumors.
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Affiliation(s)
- Hannah M Knochelmann
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Aubrey S Smith
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Connor J Dwyer
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Megan M Wyatt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Shikhar Mehrotra
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Chrystal M Paulos
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
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296
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Update on Tumor Neoantigens and Their Utility: Why It Is Good to Be Different. Trends Immunol 2018; 39:536-548. [PMID: 29751996 DOI: 10.1016/j.it.2018.04.005] [Citation(s) in RCA: 130] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/17/2018] [Accepted: 04/17/2018] [Indexed: 12/18/2022]
Abstract
Antitumor rejection by the immune system is a complex process that is regulated by several factors. Among these factors are the quality and quantity of mutational events that occur in cancer cells. Perhaps one of the most important types of mutations that influence antitumor immunity is the neoantigen, that is, a non-self-antigen that arises as a result of somatic mutation. Recent work has demonstrated that neoantigens hold significant promise for developing new diagnostic and therapeutic modalities. Therapeutic targeting of neoantigens is important for achieving benefit following therapy with immune checkpoint blockade agents or for cancer vaccines targeting mutations. Here, we review our understanding of neoantigens and discuss new developments in the quest to use them in cancer immunotherapy.
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