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Jordakieva G, Bianchini R, Reichhold D, Piehslinger J, Groschopf A, Jensen SA, Mearini E, Nocentini G, Crevenna R, Zlabinger GJ, Karagiannis SN, Klaus A, Jensen-Jarolim E. IgG4 induces tolerogenic M2-like macrophages and correlates with disease progression in colon cancer. Oncoimmunology 2021; 10:1880687. [PMID: 33628623 PMCID: PMC7889146 DOI: 10.1080/2162402x.2021.1880687] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 01/18/2021] [Accepted: 01/20/2021] [Indexed: 12/16/2022] Open
Abstract
IgG4 subclass antibodies are expressed in alternative Th2 environments featuring high IL-10 expression, including several solid tumors such as melanoma. To induce tolerance, allergen immunotherapy mediates antibody class switching from pro-inflammatory IgE to anti-inflammatory IgG4. We previously reported that IgG4 drives allergic M2 macrophages toward tolerogenic states. Here we assessed the roles of IgG4 and macrophage activation in colorectal cancer (CRC). In this observer-blinded, case-control study, we analyzed total circulating serum IgE, IgG1 and IgG4 levels in CRC (n = 38) patients with (n = 13, TxNxM1) or without (n = 25, TxNxM0) metastasis, and in healthy donors (n = 21). Primary cultures of circulating monocyte-derived macrophages from healthy controls and CRC patients were further evaluated in their responses to stimulation with IgG1 or IgG4. We found higher absolute serum levels of IgG4 in patients with CRC. IgG4 enabled polarization of macrophages derived from CRC patients and healthy controls into alternatively-activated tolerogenic M2b phenotypes. IgG4-stimulated M2 macrophages were characterized by lower surface CD206, CD163, CD14, and CD11b expression and higher CCL-1, IL-10, and IL-6 production. IgG4 was less potent that IgG1 in triggering antibody-dependent cell-mediated phagocytosis (ADCP) of cancer cells. Further, higher z-normalized IgG4/-IgE sera level ratios correlated with the presence of metastasis (p = .0247 and p = .0009, respectively) in CRC patients. High IgG4 in CRC synergizes with macrophages in shaping an immunosuppressive microenvironment and impairs anti-cancer effector cell functions. The shift of serum IgG4/IgE ratios toward enhanced tolerance induction in metastatic disease indicates a role for high IgG4 in disease progression and poor prognostic outcome.
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Affiliation(s)
- Galateja Jordakieva
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Vienna, Austria
| | - Rodolfo Bianchini
- The Interuniversity Messerli Research Institute of the University of Veterinary Medicine, the Medical University of Vienna and the University of Vienna, Unit of Comparative Medicine, Vienna, Austria
- Institute Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Division of Comparative Immunology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Daniel Reichhold
- Department of General Surgery, Barmherzige Schwestern Krankenhaus Wien, Vienna, Austria
| | - Jakob Piehslinger
- Department of General Surgery, Barmherzige Schwestern Krankenhaus Wien, Vienna, Austria
| | - Alina Groschopf
- The Interuniversity Messerli Research Institute of the University of Veterinary Medicine, the Medical University of Vienna and the University of Vienna, Unit of Comparative Medicine, Vienna, Austria
- Institute Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Division of Comparative Immunology and Oncology, Medical University of Vienna, Vienna, Austria
- FH Campus Wien, Department of Health Science, Section of Biomedical Analytics, University of Applied Sciences, Vienna, Austria
| | - Sebastian A. Jensen
- Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Ettore Mearini
- Department of Surgical and Biomedical Sciences, Urology Clinic of Perugia, University of Perugia, Perugia, Italy
| | - Giuseppe Nocentini
- Section of Pharmacology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Richard Crevenna
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Vienna, Austria
| | - Gerhard J. Zlabinger
- Division of Clinical and Experimental Immunology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Sophia N. Karagiannis
- St. John’s Institute of Dermatology, School of Basic & Medical Biosciences, King’s College London, London, UK
- Breast Cancer Now Research Unit, School of Cancer & Pharmaceutical Sciences, King’s College London, Guy’s Cancer Centre, London, UK
| | - Alexander Klaus
- Department of General Surgery, Barmherzige Schwestern Krankenhaus Wien, Vienna, Austria
| | - Erika Jensen-Jarolim
- The Interuniversity Messerli Research Institute of the University of Veterinary Medicine, the Medical University of Vienna and the University of Vienna, Unit of Comparative Medicine, Vienna, Austria
- Institute Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Division of Comparative Immunology and Oncology, Medical University of Vienna, Vienna, Austria
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2
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Williams IP, Crescioli S, Sow HS, Bax HJ, Hobbs C, Ilieva KM, French E, Pellizzari G, Cox V, Josephs DH, Spicer JF, Karagiannis SN, Mele S. In vivo safety profile of a CSPG4-directed IgE antibody in an immunocompetent rat model. MAbs 2021; 12:1685349. [PMID: 31769737 PMCID: PMC6927758 DOI: 10.1080/19420862.2019.1685349] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
IgE monoclonal antibodies hold great potential for cancer therapy. Preclinical in vivo systems, particularly those in which the antibody recognizes the host species target antigen and binds to cognate Fc receptors, are often the closest approximation to human exposure and represent a key challenge for evaluating the safety of antibody-based therapies. We sought to develop an immunocompetent rat system to assess the safety of a rodent anti-tumor IgE, as a surrogate for the human therapeutic candidate. We generated a rat IgE against the human tumor-associated antigen chondroitin sulfate proteoglycan 4 (CSPG4) and cross-reactive for the rat antigen. We analyzed CSPG4 distribution in normal rat and human tissues and investigated the in vivo safety of the antibody by monitoring clinical signs and molecular biomarkers after systemic administration to immunocompetent rats. Human and rat CSPG4 expression in normal tissues were comparable. Animals receiving antibody exhibited transient mild to moderate adverse events accompanied by mild elevation of serum tryptase, but not of angiotensin II or cytokines implicated in allergic reactions or cytokine storm. In the long term, repeated antibody administration was well tolerated, with no changes in animal body weight, liver and kidney functions or blood cell counts. This model provides preclinical support for the safety profiling of IgE therapeutic antibodies. Due to the comparable antigen tissue distribution in human and rat, this model may also comprise an appropriate tool for proof-of-concept safety evaluations of different treatment approaches targeting CSPG4.
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Affiliation(s)
- Iwan P Williams
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK
| | - Silvia Crescioli
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK
| | - Heng Sheng Sow
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK.,IGEM Therapeutics Ltd, London BioScience Innovation Centre, London, UK
| | - Heather J Bax
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK.,IGEM Therapeutics Ltd, London BioScience Innovation Centre, London, UK
| | - Carl Hobbs
- Wolfson Centre for Age-Related Diseases, King's College London, London, UK
| | - Kristina M Ilieva
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK.,Breast Cancer Now Research Unit, School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Cancer Centre, London, UK
| | - Elise French
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK
| | - Giulia Pellizzari
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK
| | - Vivienne Cox
- IGEM Therapeutics Ltd, London BioScience Innovation Centre, London, UK
| | - Debra H Josephs
- School of Cancer & Pharmaceutical Sciences, King's College London, Bermondsey Wing, Guy's Hospital, Bermondsey Wing, London, UK.,Department of Medical Oncology, Guy's and St Thomas' NHS Foundation Trust, Guy`s Hospital, London, UK
| | - James F Spicer
- School of Cancer & Pharmaceutical Sciences, King's College London, Bermondsey Wing, Guy's Hospital, Bermondsey Wing, London, UK.,Guy's and St Thomas' NHS Foundation Trust, Department of Oncology, Guy`s Hospital, Bermondsey Wing, London, UK
| | - Sophia N Karagiannis
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK
| | - Silvia Mele
- St John`s Institute of Dermatology, School of Basic and Medical Biosciences, King`s College London, London, UK
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Jensen-Jarolim E, Bax HJ, Bianchini R, Crescioli S, Daniels-Wells TR, Dombrowicz D, Fiebiger E, Gould HJ, Irshad S, Janda J, Josephs DH, Levi-Schaffer F, O'Mahony L, Pellizzari G, Penichet ML, Redegeld F, Roth-Walter F, Singer J, Untersmayr E, Vangelista L, Karagiannis SN. AllergoOncology: Opposite outcomes of immune tolerance in allergy and cancer. Allergy 2018; 73:328-340. [PMID: 28921585 PMCID: PMC6038916 DOI: 10.1111/all.13311] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2017] [Indexed: 12/11/2022]
Abstract
While desired for the cure of allergy, regulatory immune cell subsets and nonclassical Th2-biased inflammatory mediators in the tumour microenvironment can contribute to immune suppression and escape of tumours from immunological detection and clearance. A key aim in the cancer field is therefore to design interventions that can break immunological tolerance and halt cancer progression, whereas on the contrary allergen immunotherapy exactly aims to induce tolerance. In this position paper, we review insights on immune tolerance derived from allergy and from cancer inflammation, focusing on what is known about the roles of key immune cells and mediators. We propose that research in the field of AllergoOncology that aims to delineate these immunological mechanisms with juxtaposed clinical consequences in allergy and cancer may point to novel avenues for therapeutic interventions that stand to benefit both disciplines.
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Affiliation(s)
- E Jensen-Jarolim
- The Interuniversity Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University Vienna, University Vienna, Vienna, Austria
- Centre of Pathophysiology, Infectiology & Immunology, Institute of Pathophysiology & Allergy Research, Medical University Vienna, Vienna, Austria
| | - H J Bax
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London, UK
- School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Hospital, London, UK
| | - R Bianchini
- The Interuniversity Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University Vienna, University Vienna, Vienna, Austria
| | - S Crescioli
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London, UK
| | - T R Daniels-Wells
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - D Dombrowicz
- INSERM, CHU Lille, European Genomic Institute of Diabetes, Institut Pasteur de Lille, U1011 - Recepteurs Nucleaires, Maladies Cardiovasculaires et Diabete, Universite de Lille, Lille, France
| | - E Fiebiger
- Division of Gastroenterology, Hepatology and Nutrition Research, Department Medicine Research, Childrens' University Hospital Boston, Boston, MA, USA
| | - H J Gould
- Randall Division of Cell and Molecular Biophysics, King's College London, London, UK
| | - S Irshad
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London, UK
- Breast Cancer Now Unit, School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Cancer Centre, London, UK
| | - J Janda
- Faculty of Science, Charles University, Prague, Czech Republic
| | - D H Josephs
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London, UK
- School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Hospital, London, UK
| | - F Levi-Schaffer
- Faculty of Medicine, Pharmacology and Experimental Therapeutics Unit, The Institute for Drug Research, School of Pharmacy, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - L O'Mahony
- Molecular Immunology, Swiss Institute of Allergy and Asthma Research, Davos, Switzerland
| | - G Pellizzari
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London, UK
- School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Hospital, London, UK
| | - M L Penichet
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Centre, University of California, Los Angeles, CA, USA
| | - F Redegeld
- Faculty of Science, Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands
| | - F Roth-Walter
- The Interuniversity Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University Vienna, University Vienna, Vienna, Austria
- Centre of Pathophysiology, Infectiology & Immunology, Institute of Pathophysiology & Allergy Research, Medical University Vienna, Vienna, Austria
| | - J Singer
- Centre of Pathophysiology, Infectiology & Immunology, Institute of Pathophysiology & Allergy Research, Medical University Vienna, Vienna, Austria
| | - E Untersmayr
- Centre of Pathophysiology, Infectiology & Immunology, Institute of Pathophysiology & Allergy Research, Medical University Vienna, Vienna, Austria
| | - L Vangelista
- Department of Biomedical Sciences, Nazarbayev University School of Medicine, Astana, Kazakhstan
| | - S N Karagiannis
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London, UK
- Breast Cancer Now Unit, School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Cancer Centre, London, UK
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Saul L, Josephs DH, Cutler K, Bradwell A, Karagiannis P, Selkirk C, Gould HJ, Jones P, Spicer JF, Karagiannis SN. Comparative reactivity of human IgE to cynomolgus monkey and human effector cells and effects on IgE effector cell potency. MAbs 2014; 6:509-22. [PMID: 24492303 DOI: 10.4161/mabs.27828] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Due to genetic similarities with humans, primates of the macaque genus such as the cynomolgus monkey are often chosen as models for toxicology studies of antibody therapies. IgE therapeutics in development depend upon engagement with the FcεRI and FcεRII receptors on immune effector cells for their function. Only limited knowledge of the primate IgE immune system is available to inform the choice of models for mechanistic and safety evaluations. METHODS The recognition of human IgE by peripheral blood lymphocytes from cynomolgus monkey and man was compared. We used effector cells from each species in ex vivo affinity, dose-response, antibody-receptor dissociation and potency assays. RESULTS We report cross-reactivity of human IgE Fc with cynomolgus monkey cells, and comparable binding kinetics to peripheral blood lymphocytes from both species. In competition and dissociation assays, however, human IgE dissociated faster from cynomolgus monkey compared with human effector cells. Differences in association and dissociation kinetics were reflected in effector cell potency assays of IgE-mediated target cell killing, with higher concentrations of human IgE needed to elicit effector response in the cynomolgus monkey system. Additionally, human IgE binding on immune effector cells yielded significantly different cytokine release profiles in each species. CONCLUSION These data suggest that human IgE binds with different characteristics to human and cynomolgus monkey IgE effector cells. This is likely to affect the potency of IgE effector functions in these two species, and so has relevance for the selection of biologically-relevant model systems when designing pre-clinical toxicology and functional studies.
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Affiliation(s)
- Louise Saul
- Cutaneous Medicine and Immunotherapy; St. John's Institute of Dermatology; Division of Genetics and Molecular Medicine & NIHR Biomedical Research Centre at Guy's and St. Thomas's Hospitals and King's College London; London, UK; Research Oncology, Division of Cancer Studies; King's College London; Guy's Hospital; Great Maze Pond; London, UK
| | - Debra H Josephs
- Cutaneous Medicine and Immunotherapy; St. John's Institute of Dermatology; Division of Genetics and Molecular Medicine & NIHR Biomedical Research Centre at Guy's and St. Thomas's Hospitals and King's College London; London, UK; Research Oncology, Division of Cancer Studies; King's College London; Guy's Hospital; Great Maze Pond; London, UK
| | - Keith Cutler
- Public Health England; Porton Down; Salisbury, Wiltshire UK
| | | | - Panagiotis Karagiannis
- Cutaneous Medicine and Immunotherapy; St. John's Institute of Dermatology; Division of Genetics and Molecular Medicine & NIHR Biomedical Research Centre at Guy's and St. Thomas's Hospitals and King's College London; London, UK
| | - Chris Selkirk
- Biotherapeutics Development Unit; Cancer Research UK; South Mimms, Hertfordshire UK
| | - Hannah J Gould
- Randall Division of Cell and Molecular Biophysics & Division of Asthma; Allergy and Lung Biology, MRC and Asthma UK Centre for Allergic Mechanisms of Asthma, King's College London; London, UK
| | - Paul Jones
- Drug Development Office; Strategy and Research Funding; Cancer Research UK; London, UK
| | - James F Spicer
- Research Oncology, Division of Cancer Studies; King's College London; Guy's Hospital; Great Maze Pond; London, UK
| | - Sophia N Karagiannis
- Cutaneous Medicine and Immunotherapy; St. John's Institute of Dermatology; Division of Genetics and Molecular Medicine & NIHR Biomedical Research Centre at Guy's and St. Thomas's Hospitals and King's College London; London, UK
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Daniels-Wells TR, Helguera G, Leuchter RK, Quintero R, Kozman M, Rodríguez JA, Ortiz-Sánchez E, Martínez-Maza O, Schultes BC, Nicodemus CF, Penichet ML. A novel IgE antibody targeting the prostate-specific antigen as a potential prostate cancer therapy. BMC Cancer 2013; 13:195. [PMID: 23594731 PMCID: PMC3651304 DOI: 10.1186/1471-2407-13-195] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 03/06/2013] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Prostate cancer (PCa) is the second leading cause of cancer deaths in men in the United States. The prostate-specific antigen (PSA), often found at high levels in the serum of PCa patients, has been used as a marker for PCa detection and as a target of immunotherapy. The murine IgG1 monoclonal antibody AR47.47, specific for human PSA, has been shown to enhance antigen presentation by human dendritic cells and induce both CD4 and CD8 T-cell activation when complexed with PSA. In this study, we explored the properties of a novel mouse/human chimeric anti-PSA IgE containing the variable regions of AR47.47 as a potential therapy for PCa. Our goal was to take advantage of the unique properties of IgE in order to trigger immune activation against PCa. METHODS Binding characteristics of the antibody were determined by ELISA and flow cytometry. In vitro degranulation was determined by the release of β-hexosaminidase from effector cells. In vivo degranulation was monitored in human FcεRIα transgenic mice using the passive cutaneous anaphylaxis assay. These mice were also used for a vaccination study to determine the in vivo anti-cancer effects of this antibody. Significant differences in survival were determined using the Log Rank test. In vitro T-cell activation was studied using human dendritic cells and autologous T cells. RESULTS The anti-PSA IgE, expressed in murine myeloma cells, is properly assembled and secreted, and binds the antigen and FcεRI. In addition, this antibody is capable of triggering effector cell degranulation in vitro and in vivo when artificially cross-linked, but not in the presence of the natural soluble antigen, suggesting that such an interaction will not trigger systemic anaphylaxis. Importantly, the anti-PSA IgE combined with PSA also triggers immune activation in vitro and in vivo and significantly prolongs the survival of human FcεRIα transgenic mice challenged with PSA-expressing tumors in a prophylactic vaccination setting. CONCLUSIONS The anti-PSA IgE exhibits the expected biological properties and is capable of triggering immune activation and anti-tumor protection. Further studies on this antibody as a potential PCa therapy are warranted.
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Affiliation(s)
- Tracy R Daniels-Wells
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Gustavo Helguera
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Current Affiliation: School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
| | - Richard K Leuchter
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Rafaela Quintero
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Maggie Kozman
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - José A Rodríguez
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- The Molecular Biology Institute, University of California, Los Angeles, CA, USA
| | - Elizabeth Ortiz-Sánchez
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Current Affiliation: Unit of Biomedical Research in Cancer, Basic Research Division, National Institute of Cancerology, Mexico City, Mexico
| | - Otoniel Martínez-Maza
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA
- Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
| | - Birgit C Schultes
- Advanced Immune Therapeutics, Inc, Charlestown, MA, USA
- Current Affiliation: Momenta Pharmaceuticals, Inc, Cambridge, MA, USA
| | - Christopher F Nicodemus
- Advanced Immune Therapeutics, Inc, Charlestown, MA, USA
- Current Affiliation: AIT Strategies, Franconia, NH, USA
| | - Manuel L Penichet
- Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- The Molecular Biology Institute, University of California, Los Angeles, CA, USA
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA
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6
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Abstract
Many intriguing relationships between allergy and cancer continue to pose important unanswered questions. Is there a correlation between IgE and atopy, and cancer? Which are the most important IgE effector cells and do they inhibit or promote tumor growth? Will IgE-mediated antigen uptake and cross-presentation by DCs activate CTLs or Tregs? What animal models are useful in this context and should we design specific anti-tumor immunotherapies, active or passive, based on IgE? Recombinant IgE has already been generated against the tumor-associated antigens folate-binding receptor, HER-2 and EGFR--how to exclude the risk of anaphylaxis in passive immunotherapy with IgE? How can we deal with hypersensitivity to antineoplastic drugs? What is the role of chemotherapeutics and biologicals in the modulation of IgE responses and the impact of the aberrant expression of mutated enzyme AID in cancer tissue? In an effort to survey the state-of-the-art in this area and to answer some of these questions, we invited leaders in the field to participate in a "Symposium-in-Writing". This represents a collection of peer-reviewed papers covering each group's specialist area of expertise. In this way, we aim to target the most important topics in these areas and to provide a comprehensive view of the state-of-the-art in the emerging multi-disciplinary field of "AllergoOncology".
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