1
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Kahn BM, Lucas A, Alur RG, Wengyn MD, Schwartz GW, Li J, Sun K, Maurer HC, Olive KP, Faryabi RB, Stanger BZ. The vascular landscape of human cancer. J Clin Invest 2021; 131:136655. [PMID: 33258803 DOI: 10.1172/jci136655] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023] Open
Abstract
Tumors depend on a blood supply to deliver oxygen and nutrients, making tumor vasculature an attractive anticancer target. However, only a fraction of patients with cancer benefit from angiogenesis inhibitors. Whether antiangiogenic therapy would be more effective if targeted to individuals with specific tumor characteristics is unknown. To better characterize the tumor vascular environment both within and between cancer types, we developed a standardized metric - the endothelial index (EI) - to estimate vascular density in over 10,000 human tumors, corresponding to 31 solid tumor types, from transcriptome data. We then used this index to compare hyper- and hypovascular tumors, enabling the classification of human tumors into 6 vascular microenvironment signatures (VMSs) based on the expression of a panel of 24 vascular "hub" genes. The EI and VMS correlated with known tumor vascular features and were independently associated with prognosis in certain cancer types. Retrospective testing of clinical trial data identified VMS2 classification as a powerful biomarker for response to bevacizumab. Thus, we believe our studies provide an unbiased picture of human tumor vasculature that may enable more precise deployment of antiangiogenesis therapy.
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Affiliation(s)
- Benjamin M Kahn
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
| | - Alfredo Lucas
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
| | - Rohan G Alur
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
| | - Maximillian D Wengyn
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
| | - Gregory W Schwartz
- Abramson Family Cancer Research Institute.,Abramson Cancer Center.,Department of Pathology and Laboratory Medicine.,Penn Epigenetics Institute, and.,Department of Cancer Biology Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jinyang Li
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
| | - Kathryn Sun
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
| | - H Carlo Maurer
- Department of Medicine, Division of Digestive Liver Diseases and Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, New York, USA
| | - Kenneth P Olive
- Department of Medicine, Division of Digestive Liver Diseases and Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, New York, USA
| | - Robert B Faryabi
- Abramson Family Cancer Research Institute.,Abramson Cancer Center.,Department of Pathology and Laboratory Medicine.,Penn Epigenetics Institute, and.,Department of Cancer Biology Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ben Z Stanger
- Department of Medicine.,Department of Cell and Developmental Biology.,Abramson Family Cancer Research Institute.,Abramson Cancer Center
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2
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Rada M, Kapelanski-Lamoureux A, Petrillo S, Tabariès S, Siegel P, Reynolds AR, Lazaris A, Metrakos P. Runt related transcription factor-1 plays a central role in vessel co-option of colorectal cancer liver metastases. Commun Biol 2021; 4:950. [PMID: 34376784 PMCID: PMC8355374 DOI: 10.1038/s42003-021-02481-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 06/17/2021] [Indexed: 02/07/2023] Open
Abstract
Colorectal cancer liver metastasis (CRCLM) has two major histopathological growth patterns: angiogenic desmoplastic and non-angiogenic replacement. The replacement lesions obtain their blood supply through vessel co-option, wherein the cancer cells hijack pre-existing blood vessels of the surrounding liver tissue. Consequentially, anti-angiogenic therapies are less efficacious in CRCLM patients with replacement lesions. However, the mechanisms which drive vessel co-option in the replacement lesions are unknown. Here, we show that Runt Related Transcription Factor-1 (RUNX1) overexpression in the cancer cells of the replacement lesions drives cancer cell motility via ARP2/3 to achieve vessel co-option. Furthermore, overexpression of RUNX1 in the cancer cells is mediated by Transforming Growth Factor Beta-1 (TGFβ1) and thrombospondin 1 (TSP1). Importantly, RUNX1 knockdown impaired the metastatic capability of colorectal cancer cells in vivo and induced the development of angiogenic lesions in liver. Our results confirm that RUNX1 may be a potential target to overcome vessel co-option in CRCLM.
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Affiliation(s)
- Miran Rada
- Cancer Research Program, McGill University Health Centre Research Institute, Montreal, QC, Canada
| | | | - Stephanie Petrillo
- Cancer Research Program, McGill University Health Centre Research Institute, Montreal, QC, Canada
| | - Sébastien Tabariès
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada
| | - Peter Siegel
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada
| | | | - Anthoula Lazaris
- Cancer Research Program, McGill University Health Centre Research Institute, Montreal, QC, Canada
| | - Peter Metrakos
- Cancer Research Program, McGill University Health Centre Research Institute, Montreal, QC, Canada.
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3
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Khan KA, Wu FT, Cruz-Munoz W, Kerbel RS. Ang2 inhibitors and Tie2 activators: potential therapeutics in perioperative treatment of early stage cancer. EMBO Mol Med 2021; 13:e08253. [PMID: 34125494 PMCID: PMC8261516 DOI: 10.15252/emmm.201708253] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 12/12/2022] Open
Abstract
Anti-angiogenic drugs targeting the VEGF pathway are most effective in advanced metastatic disease settings of certain types of cancers, whereas they have been unsuccessful as adjuvant therapies of micrometastatic disease in numerous phase III trials involving early-stage (resectable) cancers. Newer investigational anti-angiogenic drugs have been designed to inhibit the Angiopoietin (Ang)-Tie pathway. Acting through Tie2 receptors, the Ang1 ligand is a gatekeeper of endothelial quiescence. Ang2 is a dynamically expressed pro-angiogenic destabilizer of endothelium, and its upregulation is associated with poor prognosis in cancer. Besides using Ang2 blockers as inhibitors of tumor angiogenesis, little attention has been paid to their use as stabilizers of blood vessels to suppress tumor cell extravasation and metastasis. In clinical trials, Ang2 blockers have shown limited efficacy in advanced metastatic disease settings. This review summarizes preclinical evidence suggesting the potential utility of Ang2 inhibitors or Tie2 activators as neoadjuvant or adjuvant therapies in the prevention or treatment of early-stage micrometastatic disease. We further discuss the rationale and potential of combining these strategies with immunotherapy, including immune checkpoint targeting antibodies.
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Affiliation(s)
- Kabir A Khan
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Florence Th Wu
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - William Cruz-Munoz
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Robert S Kerbel
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
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4
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Arends R, Guo X, Baverel PG, González-García I, Xie J, Morsli N, Yovine A, Roskos LK. Association of circulating protein biomarkers with clinical outcomes of durvalumab in head and neck squamous cell carcinoma. Oncoimmunology 2021; 10:1898104. [PMID: 33796405 PMCID: PMC7993189 DOI: 10.1080/2162402x.2021.1898104] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The potential for durvalumab, a programmed cell death ligand-1 (PD-L1)-blocking monoclonal antibody, to treat head and neck squamous cell carcinoma (HNSCC) is being evaluated in multiple clinical trials. We assessed circulating proteins at baseline to identify potential biomarkers and to understand pathways related to clinical outcomes for durvalumab. Prior to treatment, 66 serum proteins were measured using multiplex immunoassays for 158 durvalumab-treated HNSCC patients in the phase II HAWK and CONDOR trials as a discovery dataset and 209 durvalumab-treated HNSCC patients in the phase III EAGLE trial as a validation dataset. Multivariate Cox modeling of HAWK and CONDOR datasets established that higher baseline concentrations of interleukin-6 (IL-6), C-reactive protein, S100 calcium-binding protein A12, and angiopoietin-2 (ANGPT2) were associated with shorter overall survival (OS), while higher concentrations of osteocalcin correlated with longer OS after durvalumab treatment (p < .05). All five proteins remained significantly correlated with OS after adjusting for baseline clinical factors, with consistent results across clinical efficacy endpoints based on univariate correlation analyses. The validation dataset from the EAGLE trial confirmed the independent association of IL-6 and osteocalcin with OS, and preserved directional trends for the other biomarkers identified in the discovery dataset. Our results demonstrate the important role of immunosuppressive proteins in the resistance of HNSCC to durvalumab treatment. Osteocalcin showed a positive correlation with clinical outcomes, which remains to be further investigated.
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Affiliation(s)
- Rosalinda Arends
- Clinical Pharmacology & Safety Sciences, AstraZeneca, Gaithersburg, MD, USA
| | - Xiang Guo
- Clinical Pharmacology & Safety Sciences, AstraZeneca, Gaithersburg, MD, USA
| | - Paul G Baverel
- Clinical Pharmacology & Safety Sciences, AstraZeneca, Cambridge, UK
| | | | - James Xie
- Clinical Pharmacology & Safety Sciences, AstraZeneca, Gaithersburg, MD, USA
| | | | | | - Lorin K Roskos
- Clinical Pharmacology & Safety Sciences, AstraZeneca, Gaithersburg, MD, USA
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5
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Yang H, Kuo YH, Smith ZI, Spangler J. Targeting cancer metastasis with antibody therapeutics. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1698. [PMID: 33463090 DOI: 10.1002/wnan.1698] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 12/12/2022]
Abstract
Cancer metastasis, the spread of disease from a primary to a distal site through the circulatory or lymphatic systems, accounts for over 90% of all cancer related deaths. Despite significant progress in the field of cancer therapy in recent years, mortality rates remain dramatically higher for patients with metastatic disease versus those with local or regional disease. Although there is clearly an urgent need to develop drugs that inhibit cancer spread, the overwhelming majority of anticancer therapies that have been developed to date are designed to inhibit tumor growth but fail to address the key stages of the metastatic process: invasion, intravasation, circulation, extravasation, and colonization. There is growing interest in engineering targeted therapeutics, such as antibody drugs, that inhibit various steps in the metastatic cascade. We present an overview of antibody therapeutic approaches, both in the pipeline and in the clinic, that disrupt the essential mechanisms that underlie cancer metastasis. These therapies include classes of antibodies that indirectly target metastasis, including anti-integrin, anticadherin, and immune checkpoint blocking antibodies, as well as monoclonal and bispecific antibodies that are specifically designed to interrupt disease dissemination. Although few antimetastatic antibodies have achieved clinical success to date, there are many promising candidates in various stages of development, and novel targets and approaches are constantly emerging. Collectively, these efforts will enrich our understanding of the molecular drivers of metastasis, and the new strategies that arise promise to have a profound impact on the future of cancer therapeutic development. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Huilin Yang
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Yun-Huai Kuo
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Zion I Smith
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jamie Spangler
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, USA.,Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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6
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Montemagno C, Pagès G. Resistance to Anti-angiogenic Therapies: A Mechanism Depending on the Time of Exposure to the Drugs. Front Cell Dev Biol 2020; 8:584. [PMID: 32775327 PMCID: PMC7381352 DOI: 10.3389/fcell.2020.00584] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/16/2020] [Indexed: 12/12/2022] Open
Abstract
Angiogenesis, the formation of new blood vessels from preexisting one, represents a critical process for oxygen and nutrient supply to proliferating cells, therefore promoting tumor growth and metastasis. The Vascular Endothelial Growth Factor (VEGF) pathway is one of the key mediators of angiogenesis in cancer. Therefore, several therapies including monoclonal antibodies or tyrosine kinase inhibitors target this axis. Although preclinical studies demonstrated strong antitumor activity, clinical studies were disappointing. Antiangiogenic drugs, used to treat metastatic patients suffering of different types of cancers, prolonged survival to different extents but are not curative. In this review, we focused on different mechanisms involved in resistance to antiangiogenic therapies from early stage resistance involving mainly tumor cells to late stages related to the adaptation of the microenvironment.
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Affiliation(s)
- Christopher Montemagno
- Département de Biologie Médicale, Centre Scientifique de Monaco, Monaco, Monaco.,CNRS UMR 7284, Institute for Research on Cancer and Aging of Nice, Université Côte d'Azur, Nice, France.,INSERM U1081, Centre Antoine Lacassagne, Nice, France
| | - Gilles Pagès
- Département de Biologie Médicale, Centre Scientifique de Monaco, Monaco, Monaco.,CNRS UMR 7284, Institute for Research on Cancer and Aging of Nice, Université Côte d'Azur, Nice, France.,INSERM U1081, Centre Antoine Lacassagne, Nice, France
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7
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Haibe Y, Kreidieh M, El Hajj H, Khalifeh I, Mukherji D, Temraz S, Shamseddine A. Resistance Mechanisms to Anti-angiogenic Therapies in Cancer. Front Oncol 2020; 10:221. [PMID: 32175278 PMCID: PMC7056882 DOI: 10.3389/fonc.2020.00221] [Citation(s) in RCA: 194] [Impact Index Per Article: 48.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 02/10/2020] [Indexed: 12/12/2022] Open
Abstract
Tumor growth and metastasis rely on tumor vascular network for the adequate supply of oxygen and nutrients. Tumor angiogenesis relies on a highly complex program of growth factor signaling, endothelial cell (EC) proliferation, extracellular matrix (ECM) remodeling, and stromal cell interactions. Numerous pro-angiogenic drivers have been identified, the most important of which is the vascular endothelial growth factor (VEGF). The importance of pro-angiogenic inducers in tumor growth, invasion and extravasation make them an excellent therapeutic target in several types of cancers. Hence, the number of anti-angiogenic agents developed for cancer treatment has risen over the past decade, with at least eighty drugs being investigated in preclinical studies and phase I-III clinical trials. To date, the most common approaches to the inhibition of the VEGF axis include the blockade of VEGF receptors (VEGFRs) or ligands by neutralizing antibodies, as well as the inhibition of receptor tyrosine kinase (RTK) enzymes. Despite promising preclinical results, anti-angiogenic monotherapies led only to mild clinical benefits. The minimal benefits could be secondary to primary or acquired resistance, through the activation of alternative mechanisms that sustain tumor vascularization and growth. Mechanisms of resistance are categorized into VEGF-dependent alterations, non-VEGF pathways and stromal cell interactions. Thus, complementary approaches such as the combination of these inhibitors with agents targeting alternative mechanisms of blood vessel formation are urgently needed. This review provides an updated overview on the pathophysiology of angiogenesis during tumor growth. It also sheds light on the different pro-angiogenic and anti-angiogenic agents that have been developed to date. Finally, it highlights the preclinical evidence for mechanisms of angiogenic resistance and suggests novel therapeutic approaches that might be exploited with the ultimate aim of overcoming resistance and improving clinical outcomes for patients with cancer.
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Affiliation(s)
- Yolla Haibe
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut, Lebanon
| | - Malek Kreidieh
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut, Lebanon
| | - Hiba El Hajj
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut, Lebanon
- Department of Experimental Pathology, Immunology and Microbiology, American University of Beirut-Medical Center, Beirut, Lebanon
| | - Ibrahim Khalifeh
- Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Deborah Mukherji
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut, Lebanon
| | - Sally Temraz
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut, Lebanon
| | - Ali Shamseddine
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut, Lebanon
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8
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Yu X, Ye F. Role of Angiopoietins in Development of Cancer and Neoplasia Associated with Viral Infection. Cells 2020; 9:cells9020457. [PMID: 32085414 PMCID: PMC7072744 DOI: 10.3390/cells9020457] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 02/09/2020] [Accepted: 02/13/2020] [Indexed: 02/06/2023] Open
Abstract
Angiopoietin/tyrosine protein kinase receptor Tie-2 signaling in endothelial cells plays an essential role in angiogenesis and wound healing. Angiopoietin-1 (Ang-1) is crucial for blood vessel maturation while angiopoietin-2 (Ang-2), in collaboration with vascular endothelial growth factor (VEGF), initiates angiogenesis by destabilizing existing blood vessels. In healthy people, the Ang-1 level is sustained while Ang-2 expression is restricted. In cancer patients, Ang-2 level is elevated, which correlates with poor prognosis. Ang-2 not only drives tumor angiogenesis but also attracts infiltration of myeloid cells. The latter rapidly differentiate into tumor stromal cells that foster tumor angiogenesis and progression, and weaken the host’s anti-tumor immunity. Moreover, through integrin signaling, Ang-2 induces expression of matrix metallopeptidases (MMPs) to promote tumor cell invasion and metastasis. Many oncogenic viruses induce expression of Ang-2 to promote development of neoplasia associated with viral infection. Multiple Ang-2 inhibitors exhibit remarkable anti-tumor activities, further highlighting the importance of Ang-2 in cancer development.
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Affiliation(s)
- Xiaolan Yu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, College of Life Sciences, Hubei University, Wuhan 430062, China
- Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China
- Correspondence: (X.Y.); (F.Y.); Tel.: +086-27-88661237 (X.Y.); +216-368-8892 (F.Y.)
| | - Fengchun Ye
- Department of Molecular Biology & Microbiology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, USA
- Correspondence: (X.Y.); (F.Y.); Tel.: +086-27-88661237 (X.Y.); +216-368-8892 (F.Y.)
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9
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Huang J, Gao C, Dong J, Zhang J, Jiang R. Drug treatment of chronic subdural hematoma. Expert Opin Pharmacother 2020; 21:435-444. [PMID: 31957506 DOI: 10.1080/14656566.2020.1713095] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jinhao Huang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
| | - Chuang Gao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
| | - Jingfei Dong
- Division of Hematology, Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
| | - Rongcai Jiang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
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10
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Efficacy of a Bispecific Antibody Co-Targeting VEGFA and Ang-2 in Combination with Chemotherapy in a Chemoresistant Colorectal Carcinoma Xenograft Model. Molecules 2019; 24:molecules24162865. [PMID: 31394786 PMCID: PMC6719918 DOI: 10.3390/molecules24162865] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/02/2019] [Accepted: 08/03/2019] [Indexed: 01/13/2023] Open
Abstract
Vascular endothelial growth factor (VEGF) inhibition by the addition of bevacizumab to the chemotherapy regimen of metastatic colorectal cancer leads to an improved outcome. However, anti-angiogenic tumor therapy targeting a single factor may be limited by complementary mechanisms. Angiopoietin-2 (Ang-2, ANGPT2) is another important factor that cooperates with VEGF to drive tumor angiogenesis. It was shown that high Ang-2 levels are associated with a poor clinical outcome of colorectal cancer patients treated with bevacizumab-containing therapy. Therefore, combined inhibition of VEGF and Ang-2 was supposed to improve anti-angiogenic therapy. Here, we evaluated the efficacy of a bispecific antibody (CrossMab) co-targeting VEGF and Ang-2 in combination with chemotherapy in a chemoresistant colorectal carcinoma model. Antitumor activity was evaluated in athymic nude mice bearing subcutaneous DLD1 xenograft tumors and treated with anti-VEGF (B20), anti-Ang-2 (LC06) and anti-VEGF/Ang-2 (CrossMab) antibodies. Chemotherapy consisted of 5-FU and irinotecan. Resected tumors were analyzed immunohistochemically. First, an impact of targeting each single factor but also a clear advantage of co-targeting both factors could be demonstrated. Accordingly, tumor tissue showed strong staining for VEGF and Ang-2. Chemotherapy alone was less effective. Efficient tumor growth inhibition could be achieved by treatment with anti-VEGF/chemotherapy, single CrossMab and CrossMab/chemotherapy, which resulted in 3 out of 10, 6 out of 10 and 10 out of 10 complete responses, respectively, during seven weeks. Complete retarded tumors were characterized by massive intratumoral necrosis surrounded by layers of vital tumor cells and connective tissue with CD31-positive vessels at the periphery. In some cases, a distinct feature known as vessel co-option could be observed. In conclusion, the data from this model clearly support the strategy of co-targeting VEGF and Ang-2 and further demonstrate the beneficial impact of co-treatment with chemotherapy. The clear superiority of the CrossMab-containing regimen compared to clinical standard anti-VEGF/chemotherapy warrants further analyses in other models.
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11
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Wang Q, Chen Y, Park J, Liu X, Hu Y, Wang T, McFarland K, Betenbaugh MJ. Design and Production of Bispecific Antibodies. Antibodies (Basel) 2019; 8:antib8030043. [PMID: 31544849 PMCID: PMC6783844 DOI: 10.3390/antib8030043] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/18/2019] [Accepted: 07/31/2019] [Indexed: 02/07/2023] Open
Abstract
With the current biotherapeutic market dominated by antibody molecules, bispecific antibodies represent a key component of the next-generation of antibody therapy. Bispecific antibodies can target two different antigens at the same time, such as simultaneously binding tumor cell receptors and recruiting cytotoxic immune cells. Structural diversity has been fast-growing in the bispecific antibody field, creating a plethora of novel bispecific antibody scaffolds, which provide great functional variety. Two common formats of bispecific antibodies on the market are the single-chain variable fragment (scFv)-based (no Fc fragment) antibody and the full-length IgG-like asymmetric antibody. Unlike the conventional monoclonal antibodies, great production challenges with respect to the quantity, quality, and stability of bispecific antibodies have hampered their wider clinical application and acceptance. In this review, we focus on these two major bispecific types and describe recent advances in the design, production, and quality of these molecules, which will enable this important class of biologics to reach their therapeutic potential.
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Affiliation(s)
- Qiong Wang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Yiqun Chen
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Jaeyoung Park
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Xiao Liu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Yifeng Hu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Tiexin Wang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Kevin McFarland
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Michael J Betenbaugh
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA.
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12
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Differential Effects of Ang-2/VEGF-A Inhibiting Antibodies in Combination with Radio- or Chemotherapy in Glioma. Cancers (Basel) 2019; 11:cancers11030314. [PMID: 30845704 PMCID: PMC6468722 DOI: 10.3390/cancers11030314] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/28/2019] [Accepted: 02/28/2019] [Indexed: 12/16/2022] Open
Abstract
Antiangiogenic strategies have not shown striking antitumor activities in the majority of glioma patients so far. It is unclear which antiangiogenic combination regimen with standard therapy is most effective. Therefore, we compared anti-VEGF-A, anti-Ang2, and bispecific anti-Ang-2/VEGF-A antibody treatments, alone and in combination with radio- or temozolomide (TMZ) chemotherapy, in a malignant glioma model using multiparameter two-photon in vivo microscopy in mice. We demonstrate that anti-Ang-2/VEGF-A lead to the strongest vascular changes, including vascular normalization, both as monotherapy and when combined with chemotherapy. The latter was accompanied by the most effective chemotherapy-induced death of cancer cells and diminished tumor growth. This was most probably due to a better tumor distribution of the drug, decreased tumor cell motility, and decreased formation of resistance-associated tumor microtubes. Remarkably, all these parameters where reverted when radiotherapy was chosen as combination partner for anti-Ang-2/VEGF-A. In contrast, the best combination partner for radiotherapy was anti-VEGF-A. In conclusion, while TMZ chemotherapy benefits most from combination with anti-Ang-2/VEGF-A, radiotherapy does from anti-VEGF-A. The findings imply that uninformed combination regimens of antiangiogenic and cytotoxic therapies should be avoided.
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13
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Abstract
Tumor blood vessel formation (angiogenesis) is essential for tumor growth and metastasis. Two main endothelial ligand–receptor pathways regulating angiogenesis are vascular endothelial growth factor (VEGF) receptor and angiopoietin-TIE receptor pathways. The angiopoietin-TIE pathway is required for the remodeling and maturation of the blood and lymphatic vessels during embryonic development after VEGF and VEGF-C mediated development of the primary vascular plexus. Angiopoietin-1 (ANGPT1) stabilizes the vasculature after angiogenic processes, via tyrosine kinase with immunoglobulin-like and EGF-like domains 2 (TIE2) activation. In contrast, ANGPT2 is upregulated at sites of vascular remodeling. ANGPT2 is secreted by activated endothelial cells in inflammation, promoting vascular destabilization. ANGPT2 has been found to be expressed in many human cancers. Intriguingly, in preclinical models inhibition of ANGPT2 has provided promising results in preventing tumor angiogenesis, tumor growth, and metastasis, making it an attractive candidate to target in tumors. However, until now the first ANGPT2 targeting therapies have been less effective in clinical trials than in experimental models. Additionally, in preclinical models combined therapy against ANGPT2 and VEGF or immune checkpoint inhibitors has been superior to monotherapies, and these pathways are also targeted in early clinical trials. In order to improve current anti-angiogenic therapies and successfully exploit ANGPT2 as a target for cancer treatment, the biology of the angiopoietin-TIE pathway needs to be profoundly clarified.
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Affiliation(s)
- Dieter Marmé
- Tumor Biology Center, Freiburg, Baden-Württemberg Germany
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14
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Klein C, Schaefer W, Regula JT, Dumontet C, Brinkmann U, Bacac M, Umaña P. Engineering therapeutic bispecific antibodies using CrossMab technology. Methods 2018; 154:21-31. [PMID: 30453028 DOI: 10.1016/j.ymeth.2018.11.008] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 11/13/2018] [Accepted: 11/14/2018] [Indexed: 12/19/2022] Open
Abstract
Bispecific antibodies have recently gained major interest as they allow novel mechanisms-of-action and/or therapeutic applications that cannot be achieved using conventional IgG-based antibodies. A major issue in engineering IgG-based bispecific antibodies has been to enable the correct association of heavy and light chains resulting in correct assembly of the desired bispecific antibody in sufficient yield. Various approaches have been described during recent years to tackle this challenge. We have developed the so-called CrossMab technology that enforces correct light chain association based on the domain crossover of immunoglobulin domains in the Fab region of the bispecific antibody. This versatile technology allows the generation of different bispecific antibody formats including asymmetric heterodimeric monovalent 1 + 1 bispecific antibodies and asymmetric heterodimeric bispecific antibodies with 2 + 1 valency in combination with approaches enabling Fc-hetermodimerization like knob-into-hole technology as well as the generation of tetravalent symmetric bispecific antibodies with 2 + 2 valency, also known as Tandem-Fab based IgG antibodies, using processes suitable for the large scale production of therapeutic bispecific antibodies. Notably, as of now, at least eight different bispecific antibodies using CrossMab technology entered clinical development, and additional CrossMabs are in late preclinical development. This review provides a summary of the status and progress with the engineering and generation of CrossMab technology based bispecific antibodies as well as their therapeutic application.
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Affiliation(s)
- Christian Klein
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Zurich, 8952 Schlieren, Switzerland.
| | - Wolfgang Schaefer
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Munich, 82393 Penzberg, Germany
| | - Joerg T Regula
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Munich, 82393 Penzberg, Germany
| | - Charles Dumontet
- Cancer Research Center of Lyon (CRCL), INSERM, 1052/CNRS, 69000 Lyon, France
| | - Ulrich Brinkmann
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Munich, 82393 Penzberg, Germany
| | - Marina Bacac
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Zurich, 8952 Schlieren, Switzerland
| | - Pablo Umaña
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Zurich, 8952 Schlieren, Switzerland
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15
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Regula JT, Imhof-Jung S, Mølhøj M, Benz J, Ehler A, Bujotzek A, Schaefer W, Klein C. Variable heavy-variable light domain and Fab-arm CrossMabs with charged residue exchanges to enforce correct light chain assembly. Protein Eng Des Sel 2018; 31:289-299. [PMID: 30169707 PMCID: PMC6277175 DOI: 10.1093/protein/gzy021] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/26/2018] [Accepted: 08/03/2018] [Indexed: 01/07/2023] Open
Abstract
Technologies for the production of bispecific antibodies need to overcome two major challenges. The first one is correct heavy chain assembly, which was solved by knobs-into-holes technology or charge interactions in the CH3 domains. The second challenge is correct light chain assembly. This can be solved by engineering the Fab-arm interfaces or applying the immunoglobulin domain crossover approach. There are three different crossovers possible, namely Fab-arm, constant domain and variable domain crossovers. The CrossMabCH1-CL exchange does not lead to the formation of unexpected side products, whereas the CrossMabFab and the CrossMabVH-VL formats result in the formation of typical side products. Thus, CrossMabCH1-CL was initially favored for therapeutic antibody development. Here, we report a novel improved CrossMab design principle making use of site-specific positional exchanges of charged amino acid pairs in the constant domain of these CrossMabs to enable the correct light chain assembly in the CrossMabVH-VL and improvements for the CrossMabFab design.
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Affiliation(s)
- Joerg Thomas Regula
- Roche Pharmaceutical Research and Early Development, Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Sabine Imhof-Jung
- Roche Pharmaceutical Research and Early Development, Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Michael Mølhøj
- Roche Pharmaceutical Research and Early Development, Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Joerg Benz
- Roche Pharmaceutical Research and Early Development, Chemical Biology, Roche Innovation Center Basel, Basel, Switzerland
| | - Andreas Ehler
- Roche Pharmaceutical Research and Early Development, Chemical Biology, Roche Innovation Center Basel, Basel, Switzerland
| | - Alexander Bujotzek
- Roche Pharmaceutical Research and Early Development, Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Wolfgang Schaefer
- Roche Pharmaceutical Research and Early Development, Large Molecule Research, Roche Innovation Center Munich, Penzberg, Germany
| | - Christian Klein
- Roche Pharmaceutical Research and Early Development, Discovery Oncology, Roche Innovation Center Zurich, Schlieren, Switzerland
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16
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Shlamkovich T, Aharon L, Barton WA, Papo N. Utilizing combinatorial engineering to develop Tie2 targeting antagonistic angiopoetin-2 ligands as candidates for anti-angiogenesis therapy. Oncotarget 2018; 8:33571-33585. [PMID: 28422724 PMCID: PMC5464891 DOI: 10.18632/oncotarget.16827] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 03/24/2017] [Indexed: 11/25/2022] Open
Abstract
In many human cancers, the receptor tyrosine kinase (RTK) Tie2 plays important roles in mediating proliferation, survival, migration and angiogenesis. Thus, molecules that could potently inhibit activation of the Tie2 receptor would have a significant impact on cancer therapy. Nevertheless, attempts to develop Tie2-targeted inhibitors have met with little success, and there is currently no FDA-approved therapeutic selectively targeting Tie2. We used a combinatorial protein engineering approach to develop a new generation of angiopoietin (Ang)2-derived Tie2 antagonists as potential cancer therapeutics and as tools to study angiogenesis. The construct for designing a yeast surface display (YSD) library of potential antagonists was an Ang2 binding domain (Ang2-BD) that retains Tie2 binding ability but prevents ligand multimerization and receptor dimerization and activation. This mutant library was then screened by quantitative high-throughput flow cytometric sorting to identify Ang2-BD variants with increased expression, stability and affinity to Tie2. The selected variants were recombinantly expressed and showed high affinity to soluble and cellular Tie2 and strongly inhibited both Tie2 phosphorylation and endothelial capillary tube formation and cell invasion compared to the parental Ang2-BD. The significance of the study lies in the insight it provides into the sequence-structure-function relationships and mechanism of action of the antagonistic Ang mutants. The approach of using a natural protein ligand as a molecular scaffold for engineering high-affinity agents can be applied to other ligands to create functional protein antagonists against additional biomedical targets.
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Affiliation(s)
- Tomer Shlamkovich
- Department of Biotechnology Engineering, and the National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Lidan Aharon
- Department of Biotechnology Engineering, and the National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - William A Barton
- Virginia Commonwealth University, Department of Biochemistry and Molecular Biology, Richmond, Virginia, United States of America
| | - Niv Papo
- Department of Biotechnology Engineering, and the National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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17
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Arid1a regulates response to anti-angiogenic therapy in advanced hepatocellular carcinoma. J Hepatol 2018; 68:465-475. [PMID: 29113912 DOI: 10.1016/j.jhep.2017.10.028] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/24/2017] [Accepted: 10/18/2017] [Indexed: 01/07/2023]
Abstract
BACKGROUND & AIMS AT-rich interaction domain 1a (Arid1a), a component of the chromatin remodeling complex, has emerged as a tumor suppressor gene. It is frequently mutated in hepatocellular carcinoma (HCC). However, it remains unknown how Arid1a suppresses HCC development and whether Arid1a deficiency could be exploited for therapy, we aimed to explore these questions. METHODS The expression of Arid1a in human and mouse HCCs was determined by immunohistochemical (IHC) staining. Gene expression was determined by quantitative PCR, ELISA or western blotting. Arid1a knockdown HCC cell lines were established by lentiviral-based shRNA. Tumor angiogenesis was quantified based on vessel density. The regulation of angiopoietin (Ang2) expression by Arid1a was identified by chromatin immunoprecipitation (ChIP) assay. The tumor promoting function of Arid1a loss was studied with a xenograft model in nude mice and diethylnitrosamine (DEN)-induced HCC in Arid1a conditional knockout mice. The therapeutic values of Ang2 antibody and sorafenib treatment were evaluated both in vitro and in vivo. RESULTS We demonstrate that Arid1a deficiency, occurring in advanced human HCCs, is associated with increased vessel density. Mechanistically, loss of Arid1a causes aberrant histone H3K27ac deposition at the angiopoietin-2 (Ang2) enhancer and promoter, which eventually leads to ectopic expression of Ang2 and promotes HCC development. Ang2 blockade in Arid1a-deficient HCCs significantly reduces vessel density and tumor progression. Importantly, sorafenib treatment, which suppresses H3K27 acetylation and Ang2 expression, profoundly halts the progression of Arid1a-deficient HCCs. CONCLUSIONS Arid1a-deficiency activates Ang2-dependent angiogenesis and promotes HCC progression. Loss of Arid1a in HCCs confers sensitivity to Ang2 blockade and sorafenib treatment. LAY SUMMARY AT-rich interaction domain 1a (Arid1a), is a tumor suppressor gene. Arid1a-deficiency promotes Ang2-dependent angiogenesis leading to hepatocellular carcinoma progression. Arid1a-deficiency also sensitizes tumors to Ang2 blockade by sorafenib treatment.
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18
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Dong Z, Chen J, Yang X, Zheng W, Wang L, Fang M, Wu M, Yao M, Yao D. Ang-2 promotes lung cancer metastasis by increasing epithelial-mesenchymal transition. Oncotarget 2018; 9:12705-12717. [PMID: 29560103 PMCID: PMC5849167 DOI: 10.18632/oncotarget.24061] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/03/2018] [Indexed: 02/06/2023] Open
Abstract
Lung cancer is the most common malignant tumor with increasing angiopoietin-2 (Ang-2) and a high rate of metastasis. However, the mechanism of Ang-2 enhancing tumor proliferation and facilitating metastasis remains to be clarified. In this study, Ang-2 expression and its gene transcription on effects of biological behaviors and epithelial-mesenchymal transition (EMT) were investigated in lung cancers. Total incidence of Ang-2 expression in the cancerous tissues was up to 91.8 % (112 of 122) with significantly higher (χ2=103.753, P2=7.883, P=0.005), differentiation degree (χ2=4.554, P=0.033), tumor node metastasis (TNM) staging (χ2=5.039, P=0.025), and 5-year survival rate (χ2 =11.220, P2=18.881, P2=0.81, P=0.776) or III & IV (χ2=1.845, P=0.174). Over-expression of Ang-2 or Ang-2 mRNA in lung A549 and NCI-H1975 cells were identified among different cell lines. When silencing Ang-2 in A549 cells with specific shRNA-1 transfection, the cell proliferation was significantly inhibited in a time-dependent manner, with up-regulating E-cadherin, down-regulating Vimentin, Twist, and Snail expression, and decreasing invasion and metastasis of cancer cell abilities, suggesting that Ang-2 promote tumor metastasis through increasing EMT, and it could be a potential target for lung cancer therapy.
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Affiliation(s)
- Zhizhen Dong
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Jianrong Chen
- Department of Respiratory Medicine, Second Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Xuli Yang
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Wenjie Zheng
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Li Wang
- Departments of Medical Informatics & Immunology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Miao Fang
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Mengna Wu
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Min Yao
- Departments of Medical Informatics & Immunology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Dengfu Yao
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
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19
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Bezabeh B, Fleming R, Fazenbaker C, Zhong H, Coffman K, Yu XQ, Leow CC, Gibson N, Wilson S, Stover CK, Wu H, Gao C, Dimasi N. Insertion of scFv into the hinge domain of full-length IgG1 monoclonal antibody results in tetravalent bispecific molecule with robust properties. MAbs 2017; 9:240-256. [PMID: 27981887 DOI: 10.1080/19420862.2016.1270492] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
By simultaneous binding two disease mediators, bispecific antibodies offer the opportunity to broaden the utility of antibody-based therapies. Herein, we describe the design and characterization of Bs4Ab, an innovative and generic bispecific tetravalent antibody platform. The Bs4Ab format comprises a full-length IgG1 monoclonal antibody with a scFv inserted into the hinge domain. The Bs4Ab design demonstrates robust manufacturability as evidenced by MEDI3902, which is currently in clinical development. To further demonstrate the applicability of the Bs4Ab technology, we describe the molecular engineering, biochemical, biophysical, and in vivo characterization of a bispecific tetravalent Bs4Ab that, by simultaneously binding vascular endothelial growth factor and angiopoietin-2, inhibits their function. We also demonstrate that the Bs4Ab platform allows Fc-engineering similar to that achieved with IgG1 antibodies, such as mutations to extend half-life or modulate effector functions.
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Affiliation(s)
- Binyam Bezabeh
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
| | - Ryan Fleming
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
| | | | | | - Karen Coffman
- c Clinical Pharmacology and DMPK , Gaithersburg , MA , USA
| | - Xiang-Qing Yu
- c Clinical Pharmacology and DMPK , Gaithersburg , MA , USA
| | | | - Nerea Gibson
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
| | - Susan Wilson
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
| | | | - Herren Wu
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
| | - Changshou Gao
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
| | - Nazzareno Dimasi
- a Antibody Discovery and Protein Engineering , Gaithersburg , MA , USA
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20
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Zarrin B, Zarifi F, Vaseghi G, Javanmard SH. Acquired tumor resistance to antiangiogenic therapy: Mechanisms at a glance. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2017; 22:117. [PMID: 29184575 PMCID: PMC5680657 DOI: 10.4103/jrms.jrms_182_17] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 07/03/2017] [Accepted: 08/07/2017] [Indexed: 12/18/2022]
Abstract
Angiogenesis is critical for oxygen and nutrient delivery to proliferating tumor cells. Therefore, as angiogenesis is required and vital for the tumor growth and metastasis. Antiangiogenic therapy is considered to be beneficial for tumor growth prevention due to starvation of tumor of oxygen and nutrients, but in some cases, the benefits are not permanent. Tyrosine kinase inhibitors and many other agents often target angiogenesis through inhibition of the vascular endothelial growth factor (VEGF) pathway. Although preclinical studies showed satisfactory outcomes in tumor growth inhibition, antiangiogenic therapy in the clinical setting may not be effective. The resistance observed in several tumor types through alternative angiogenic “escape” pathways contributes to restoration of tumor growth and may induce progression, enhancement of invasion, and metastasis. Therefore, activation of major compensatory angiogenic pathways, sustaining tumor angiogenesis during VEGF blockade contributing to the recurrence of tumor growth overcome antiangiogenic strategies. In this review, we summarize the novel mechanisms involved in evasive resistance to antiangiogenic therapies and represent different cancer types which have the ability to adapt to VEGF inhibition achieving resistance to antiangiogenic therapy through these adaptive mechanisms.
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Affiliation(s)
- Bahare Zarrin
- Department of Physiology, Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Farzane Zarifi
- Department of Pharmacology, Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Golnaz Vaseghi
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
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21
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Angiopoietin-Tie signalling in the cardiovascular and lymphatic systems. Clin Sci (Lond) 2017; 131:87-103. [PMID: 27941161 PMCID: PMC5146956 DOI: 10.1042/cs20160129] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 06/23/2016] [Accepted: 07/07/2016] [Indexed: 12/30/2022]
Abstract
Endothelial cells that form the inner layer of blood and lymphatic vessels are important regulators of vascular functions and centrally involved in the pathogenesis of vascular diseases. In addition to the vascular endothelial growth factor (VEGF) receptor pathway, the angiopoietin (Ang)-Tie system is a second endothelial cell specific ligand-receptor signalling system necessary for embryonic cardiovascular and lymphatic development. The Ang-Tie system also regulates postnatal angiogenesis, vessel remodelling, vascular permeability and inflammation to maintain vascular homoeostasis in adult physiology. This system is implicated in numerous diseases where the vasculature has an important contribution, such as cancer, sepsis, diabetes, atherosclerosis and ocular diseases. Furthermore, mutations in the TIE2 signalling pathway cause defects in vascular morphogenesis, resulting in venous malformations and primary congenital glaucoma. Here, we review recent advances in the understanding of the Ang-Tie signalling system, including cross-talk with the vascular endothelial protein tyrosine phosphatase (VE-PTP) and the integrin cell adhesion receptors, focusing on the Ang-Tie system in vascular development and pathogenesis of vascular diseases.
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22
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Schmittnaegel M, Rigamonti N, Kadioglu E, Cassará A, Wyser Rmili C, Kiialainen A, Kienast Y, Mueller HJ, Ooi CH, Laoui D, De Palma M. Dual angiopoietin-2 and VEGFA inhibition elicits antitumor immunity that is enhanced by PD-1 checkpoint blockade. Sci Transl Med 2017; 9:9/385/eaak9670. [PMID: 28404865 DOI: 10.1126/scitranslmed.aak9670] [Citation(s) in RCA: 384] [Impact Index Per Article: 54.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 03/17/2017] [Indexed: 12/14/2022]
Abstract
Pathological angiogenesis is a hallmark of cancer and a therapeutic target. Vascular endothelial growth factor A (VEGFA) and angiopoietin-2 (ANGPT2; also known as ANG2) are proangiogenic cytokines that sustain tumor angiogenesis and limit antitumor immunity. We show that combined ANGPT2 and VEGFA blockade by a bispecific antibody (A2V) provided superior therapeutic benefits, as compared to the single agents, in both genetically engineered and transplant tumor models, including metastatic breast cancer (MMTV-PyMT), pancreatic neuroendocrine tumor (RIP1-Tag2), and melanoma. Mechanistically, A2V promoted vascular regression, tumor necrosis, and antigen presentation by intratumoral phagocytes. A2V also normalized the remaining blood vessels and facilitated the extravasation and perivascular accumulation of activated, interferon-γ (IFNγ)-expressing CD8+ cytotoxic T lymphocytes (CTLs). Whereas the antitumoral activity of A2V was, at least partly, CTL-dependent, perivascular T cells concurrently up-regulated the expression of the immune checkpoint ligand programmed cell death ligand 1 (PD-L1) in tumor endothelial cells. IFNγ neutralization blunted this adaptive response, and PD-1 blockade improved tumor control by A2V in different cancer models. These findings position immune cells as key effectors of antiangiogenic therapy and support the rationale for cotargeting angiogenesis and immune checkpoints in cancer therapy.
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Affiliation(s)
- Martina Schmittnaegel
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Nicolò Rigamonti
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Ece Kadioglu
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Antonino Cassará
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Céline Wyser Rmili
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Anna Kiialainen
- Roche Innovation Center Basel, Pharmaceutical Sciences, Pharma Research and Early Development, 4070 Basel, Switzerland
| | - Yvonne Kienast
- Roche Innovation Center Munich, Oncology Discovery, Pharma Research and Early Development, 82377 Penzberg, Germany
| | - Hans-Joachim Mueller
- Roche Innovation Center Munich, Oncology Discovery, Pharma Research and Early Development, 82377 Penzberg, Germany
| | - Chia-Huey Ooi
- Roche Innovation Center Basel, Pharmaceutical Sciences, Pharma Research and Early Development, 4070 Basel, Switzerland.,Roche Innovation Center Munich, Oncology Discovery, Pharma Research and Early Development, 82377 Penzberg, Germany
| | - Damya Laoui
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Michele De Palma
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
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23
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Saharinen P, Eklund L, Alitalo K. Therapeutic targeting of the angiopoietin-TIE pathway. Nat Rev Drug Discov 2017; 16:635-661. [PMID: 28529319 DOI: 10.1038/nrd.2016.278] [Citation(s) in RCA: 325] [Impact Index Per Article: 46.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The endothelial angiopoietin (ANG)-TIE growth factor receptor pathway regulates vascular permeability and pathological vascular remodelling during inflammation, tumour angiogenesis and metastasis. Drugs that target the ANG-TIE pathway are in clinical development for oncological and ophthalmological applications. The aim is to complement current vascular endothelial growth factor (VEGF)-based anti-angiogenic therapies in cancer, wet age-related macular degeneration and macular oedema. The unique function of the ANG-TIE pathway in vascular stabilization also renders this pathway an attractive target in sepsis, organ transplantation, atherosclerosis and vascular complications of diabetes. This Review covers key aspects of the function of the ANG-TIE pathway in vascular disease and describes the recent development of novel therapeutics that target this pathway.
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Affiliation(s)
- Pipsa Saharinen
- Wihuri Research Institute and Translational Cancer Biology Program, Biomedicum Helsinki, University of Helsinki, Haartmaninkatu 8, P.O. Box 63, FI-00014 Helsinki, Finland
| | - Lauri Eklund
- Oulu Center for Cell-Matrix Research, Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, Aapistie 5A, University of Oulu, 90220 Oulu, Finland
| | - Kari Alitalo
- Wihuri Research Institute and Translational Cancer Biology Program, Biomedicum Helsinki, University of Helsinki, Haartmaninkatu 8, P.O. Box 63, FI-00014 Helsinki, Finland
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24
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Affiliation(s)
- Antigone Koliopoulou
- Division of Cardiothoracic Surgery, Department of Surgery, University of Utah, Salt Lake City, Utah, USA
| | - Craig H Selzman
- Division of Cardiothoracic Surgery, Department of Surgery, University of Utah, Salt Lake City, Utah, USA
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25
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Blecharz KG, Frey D, Schenkel T, Prinz V, Bedini G, Krug SM, Czabanka M, Wagner J, Fromm M, Bersano A, Vajkoczy P. Autocrine release of angiopoietin-2 mediates cerebrovascular disintegration in Moyamoya disease. J Cereb Blood Flow Metab 2017; 37:1527-1539. [PMID: 27381827 PMCID: PMC5453470 DOI: 10.1177/0271678x16658301] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Moyamoya disease is a rare steno-occlusive cerebrovascular disorder often resulting in hemorrhagic and ischemic strokes. Although sharing the same ischemic stimulus with atherosclerotic cerebrovascular disease, Moyamoya disease is characterized by a highly instable cerebrovascular system which is prone to rupture due to pathological neovascularization. To understand the molecular mechanisms underlying this instability, angiopoietin-2 gene expression was analyzed in middle cerebral artery lesions obtained from Moyamoya disease and atherosclerotic cerebrovascular disease patients. Angiopoietin-2 was significantly up-regulated in Moyamoya vessels, while serum concentrations of soluble angiopoietins were not changed. For further evaluations, cerebral endothelial cells incubated with serum from these patients in vitro were applied. In contrast to atherosclerotic cerebrovascular disease serum, Moyamoya disease serum induced an angiopoietin-2 overexpression and secretion, accompanied by loss of endothelial integrity. These effects were absent or inverse in endothelial cells of non-brain origin suggesting brain endothelium specificity. The destabilizing effects on brain endothelial cells to Moyamoya disease serum were partially suppressed by the inhibition of angiopoietin-2. Our findings define brain endothelial cells as the potential source of vessel-destabilizing factors inducing the high plasticity state and disintegration in Moyamoya disease in an autocrine manner. We also provide new insights into Moyamoya disease pathophysiology that may be helpful for preventive treatment strategies in future.
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Affiliation(s)
- Kinga G Blecharz
- 1 Department of Experimental Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Dietmar Frey
- 2 Department of Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Tobias Schenkel
- 1 Department of Experimental Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Vincent Prinz
- 2 Department of Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Gloria Bedini
- 3 Laboratory of Cellular Neurobiology, Neurology Unit, UCV, Milan, Italy.,4 Neurological Institute "C. Besta", Milan, Italy
| | - Susanne M Krug
- 5 Institute of Clinical Physiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Marcus Czabanka
- 2 Department of Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Josephin Wagner
- 1 Department of Experimental Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Michael Fromm
- 5 Institute of Clinical Physiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Anna Bersano
- 6 Neurology Unit, UCV, Milan, Italy.,7 Neurological Institute "C. Besta", IRCCS Foundation, Milan, Italy
| | - Peter Vajkoczy
- 1 Department of Experimental Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,2 Department of Neurosurgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,8 Center of Stroke Research Berlin (CSB), Charité - Universitätsmedizin Berlin, Berlin, Germany
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26
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Kim J, de Sampaio PC, Lundy DM, Peng Q, Evans KW, Sugimoto H, Gagea M, Kienast Y, Amaral NSD, Rocha RM, Eikesdal HP, Lønning PE, Meric-Bernstam F, LeBleu VS. Heterogeneous perivascular cell coverage affects breast cancer metastasis and response to chemotherapy. JCI Insight 2016; 1:e90733. [PMID: 28018977 PMCID: PMC5161212 DOI: 10.1172/jci.insight.90733] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Angiogenesis and co-optive vascular remodeling are prerequisites of solid tumor growth. Vascular heterogeneity, notably perivascular composition, may play a critical role in determining the rate of cancer progression. The contribution of vascular pericyte heterogeneity to cancer progression and therapy response is unknown. Here, we show that angiopoietin-2 (Ang2) orchestrates pericyte heterogeneity in breast cancer with an effect on metastatic disease and response to chemotherapy. Using multispectral imaging of human breast tumor specimens, we report that perivascular composition, as defined by the ratio of PDGFRβ- and desmin+ pericytes, provides information about the response to epirubicin but not paclitaxel. Using 17 distinct patient-derived breast cancer xenografts, we demonstrate a cancer cell-derived influence on stromal Ang2 production and a cancer cell-defined control over tumor vasculature and perivascular heterogeneity. The aggressive features of tumors and their distinct response to therapies may thus emerge by the cancer cell-defined engagement of distinct and heterogeneous angiogenic programs.
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Affiliation(s)
| | | | | | | | - Kurt W Evans
- Department of Investigational Cancer Therapeutics, and
| | | | - Mihai Gagea
- Department of Veterinary Medicine and Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yvonne Kienast
- Discovery Oncology, Roche Pharmaceutical Research and Early Development, (pRED), Roche Innovation Center, Munich, Germany
| | | | - Rafael Malagoli Rocha
- Molecular Gynecology Laboratory, Gynecology Department, Federal University of São Paulo, Brazil
| | - Hans Petter Eikesdal
- Section of Oncology, Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Per Eystein Lønning
- Section of Oncology, Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Funda Meric-Bernstam
- Department of Investigational Cancer Therapeutics, and.,Department of Breast Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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27
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Wu X, Giobbie-Hurder A, Liao X, Connelly C, Connolly EM, Li J, Manos MP, Lawrence D, McDermott D, Severgnini M, Zhou J, Gjini E, Lako A, Lipschitz M, Pak CJ, Abdelrahman S, Rodig S, Hodi FS. Angiopoietin-2 as a Biomarker and Target for Immune Checkpoint Therapy. Cancer Immunol Res 2016; 5:17-28. [PMID: 28003187 DOI: 10.1158/2326-6066.cir-16-0206] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 11/07/2016] [Accepted: 11/09/2016] [Indexed: 01/07/2023]
Abstract
Immune checkpoint therapies targeting CTLA-4 and PD-1 have proven effective in cancer treatment. However, the identification of biomarkers for predicting clinical outcomes and mechanisms to overcome resistance remain as critical needs. Angiogenesis is increasingly appreciated as an immune modulator with potential for combinatorial use with checkpoint blockade. Angiopoietin-2 (ANGPT2) is an immune target in patients and is involved in resistance to anti-VEGF treatment with the monoclonal antibody bevacizumab. We investigated the predictive and prognostic value of circulating ANGPT2 in metastatic melanoma patients receiving immune checkpoint therapy. High pretreatment serum ANGPT2 was associated with reduced overall survival in CTLA-4 and PD-1 blockade-treated patients. These treatments also increased serum ANGPT2 in many patients early after treatment initiation, whereas ipilimumab plus bevacizumab treatment decreased serum concentrations. ANGPT2 increases were associated with reduced response and/or overall survival. Ipilimumab increased, and ipilimumab plus bevacizumab decreased, tumor vascular ANGPT2 expression in a subset of patients, which was associated with increased and decreased tumor infiltration by CD68+ and CD163+ macrophages, respectively. In vitro, bevacizumab blocked VEGF-induced ANGPT2 expression in tumor-associated endothelial cells, whereas ANGPT2 increased PD-L1 expression on M2-polarized macrophages. Treatments elicited long-lasting and functional antibody responses to ANGPT2 in a subset of patients receiving clinical benefit. Our findings suggest that serum ANGPT2 may be considered as a predictive and prognostic biomarker for immune checkpoint therapy and may contribute to treatment resistance via increasing proangiogenic and immunosuppressive activities in the tumor microenvironment. Targeting ANGPT2 provides a rational combinatorial approach to improve the efficacy of immune therapy. Cancer Immunol Res; 5(1); 17-28. ©2016 AACR.
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Affiliation(s)
- Xinqi Wu
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Anita Giobbie-Hurder
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Xiaoyun Liao
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Courtney Connelly
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Erin M Connolly
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
- Melanoma Disease Center, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Jingjing Li
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Michael P Manos
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Donald Lawrence
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts
| | | | - Mariano Severgnini
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Jun Zhou
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Evisa Gjini
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Ana Lako
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Mikel Lipschitz
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Christine J Pak
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Sara Abdelrahman
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Scott Rodig
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
| | - F Stephen Hodi
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts.
- Center for Immuno-oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
- Melanoma Disease Center, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
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28
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Scheuer W, Thomas M, Hanke P, Sam J, Osl F, Weininger D, Baehner M, Seeber S, Kettenberger H, Schanzer J, Brinkmann U, Weidner KM, Regula J, Klein C. Anti-tumoral, anti-angiogenic and anti-metastatic efficacy of a tetravalent bispecific antibody (TAvi6) targeting VEGF-A and angiopoietin-2. MAbs 2016; 8:562-73. [PMID: 26864324 PMCID: PMC4966847 DOI: 10.1080/19420862.2016.1147640] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Vascular endothelial growth factor (VEGF)-A blockade has been validated clinically as a treatment for human cancers. Angiopoietin-2 (Ang-2) is a key regulator of blood vessel remodeling and maturation. In tumors, Ang-2 is up-regulated and an unfavorable prognostic factor. Recent data demonstrated that Ang-2 inhibition mediates anti-tumoral effects. We generated a tetravalent bispecific antibody (Ang-2-VEGF-TAvi6) targeting VEGF-A with 2 arms based on bevacizumab (Avastin®), and targeting Ang-2 with 2 arms based on a novel anti-Ang-2 antibody (LC06). The two Ang-2-targeting single-chain variable fragments are disulfide-stabilized and fused to the C-terminus of the heavy chain of bevacizumab. Treatment with Ang-2-VEGF-A-TAvi6 led to a complete abrogation of angiogenesis in the cornea micropocket assay. Metastatic spread and tumor growth of subcutaneous, orthotopic and anti-VEGF-A resistant tumors were also efficiently inhibited. These data further establish Ang-2-VEGF bispecific antibodies as a promising anti-angiogenic, anti-metastatic and anti-tumor agent for the treatment of cancer.
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Affiliation(s)
- Werner Scheuer
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Markus Thomas
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Petra Hanke
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Johannes Sam
- b Roche Innovation Center Zurich, Roche Pharma Research and Early Development , Wagistrasse 18, Schlieren , Switzerland
| | - Franz Osl
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Diana Weininger
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Monika Baehner
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Stefan Seeber
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Hubert Kettenberger
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Jürgen Schanzer
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Ulrich Brinkmann
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - K Michael Weidner
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Jörg Regula
- a Roche Innovation Center Penzberg, Roche Pharma Research and Early Development , Nonnenwald 2, Penzberg , Germany
| | - Christian Klein
- b Roche Innovation Center Zurich, Roche Pharma Research and Early Development , Wagistrasse 18, Schlieren , Switzerland
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29
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Hutchinson LG, Mueller HJ, Gaffney EA, Maini PK, Wagg J, Phipps A, Boetsch C, Byrne HM, Ribba B. Modeling Longitudinal Preclinical Tumor Size Data to Identify Transient Dynamics in Tumor Response to Antiangiogenic Drugs. CPT-PHARMACOMETRICS & SYSTEMS PHARMACOLOGY 2016; 5:636-645. [PMID: 27863175 PMCID: PMC5192995 DOI: 10.1002/psp4.12142] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 09/22/2016] [Indexed: 12/12/2022]
Abstract
Experimental evidence suggests that antiangiogenic therapy gives rise to a transient window of vessel normalization, within which the efficacy of radiotherapy and chemotherapy may be enhanced. Preclinical experiments that measure components of vessel normalization are invasive and expensive. We have developed a mathematical model of vascular tumor growth from preclinical time‐course data in a breast cancer xenograft model. We used a mixed‐effects approach for model parameterization, leveraging tumor size data to identify a period of enhanced tumor growth that could potentially correspond to the transient window of vessel normalization. We estimated the characteristics of the window for mice treated with an anti‐VEGF antibody (bevacizumab) or with a bispecific anti‐VEGF/anti‐angiopoietin‐2 antibody (vanucizumab). We show how the mathematical model could theoretically be used to predict how to coordinate antiangiogenic therapy with radiotherapy or chemotherapy to maximize therapeutic effect, reducing the need for preclinical experiments that directly measure vessel normalization parameters.
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Affiliation(s)
- L G Hutchinson
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, UK
| | - H-J Mueller
- Pharma Research and Early Development, Roche Innovation Centre Munich, Munich, Germany
| | - E A Gaffney
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, UK
| | - P K Maini
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, UK
| | - J Wagg
- Roche Pharmaceutical Research & Early Development, Roche Innovation Center, Basel, Switzerland
| | - A Phipps
- Pharma Research and Early Development, Roche Innovation, Welwyn Garden City, UK
| | - C Boetsch
- Roche Pharmaceutical Research & Early Development, Roche Innovation Center, Basel, Switzerland
| | - H M Byrne
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, UK
| | - B Ribba
- Pharma Research and Early Development, Roche Innovation Centre Munich, Munich, Germany
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30
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Scholz A, Harter PN, Cremer S, Yalcin BH, Gurnik S, Yamaji M, Di Tacchio M, Sommer K, Baumgarten P, Bähr O, Steinbach JP, Trojan J, Glas M, Herrlinger U, Krex D, Meinhardt M, Weyerbrock A, Timmer M, Goldbrunner R, Deckert M, Braun C, Schittenhelm J, Frueh JT, Ullrich E, Mittelbronn M, Plate KH, Reiss Y. Endothelial cell-derived angiopoietin-2 is a therapeutic target in treatment-naive and bevacizumab-resistant glioblastoma. EMBO Mol Med 2016; 8:39-57. [PMID: 26666269 PMCID: PMC4718155 DOI: 10.15252/emmm.201505505] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Glioblastoma multiforme (GBM) is treated by surgical resection followed by radiochemotherapy. Bevacizumab is commonly deployed for anti‐angiogenic therapy of recurrent GBM; however, innate immune cells have been identified as instigators of resistance to bevacizumab treatment. We identified angiopoietin‐2 (Ang‐2) as a potential target in both naive and bevacizumab‐treated glioblastoma. Ang‐2 expression was absent in normal human brain endothelium, while the highest Ang‐2 levels were observed in bevacizumab‐treated GBM. In a murine GBM model, VEGF blockade resulted in endothelial upregulation of Ang‐2, whereas the combined inhibition of VEGF and Ang‐2 leads to extended survival, decreased vascular permeability, depletion of tumor‐associated macrophages, improved pericyte coverage, and increased numbers of intratumoral T lymphocytes. CD206+ (M2‐like) macrophages were identified as potential novel targets following anti‐angiogenic therapy. Our findings imply a novel role for endothelial cells in therapy resistance and identify endothelial cell/myeloid cell crosstalk mediated by Ang‐2 as a potential resistance mechanism. Therefore, combining VEGF blockade with inhibition of Ang‐2 may potentially overcome resistance to bevacizumab therapy.
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Affiliation(s)
- Alexander Scholz
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Patrick N Harter
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, Frankfurt, Germany
| | - Sebastian Cremer
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Burak H Yalcin
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Stefanie Gurnik
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Maiko Yamaji
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Mariangela Di Tacchio
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Kathleen Sommer
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany
| | - Peter Baumgarten
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany Department of Neurosurgery, Goethe University Medical School, Frankfurt, Germany
| | - Oliver Bähr
- Senckenberg Institute of Neurooncology, Goethe University Medical School, Frankfurt, Germany
| | - Joachim P Steinbach
- German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, Frankfurt, Germany Senckenberg Institute of Neurooncology, Goethe University Medical School, Frankfurt, Germany
| | - Jörg Trojan
- Medical Clinic I, Goethe University Medical School, Frankfurt, Germany
| | - Martin Glas
- Klinische Kooperationseinheit Neuroonkologie, Robert Janker Klinik, Bonn, Germany
| | | | - Dietmar Krex
- Klinik und Poliklinik für Neurochirurgie, Universitätsklinikum Carl Gustav Carus, Dresden, Germany
| | - Matthias Meinhardt
- Institut für Pathologie, Universitätsklinikum Carl Gustav Carus, Dresden, Germany
| | - Astrid Weyerbrock
- Klinik für Neurochirurgie, Universitätsklinikum Freiburg, Freiburg, Germany
| | - Marco Timmer
- Zentrum für Neurochirurgie, Uniklinik Köln, Köln, Germany
| | | | | | - Christian Braun
- Zentrum für Neuroonkologie, Universitätsklinik Tübingen, Tübingen, Germany
| | - Jens Schittenhelm
- Abteilung Neuropathologie, Universitätsklinik Tübingen, Tübingen, Germany
| | - Jochen T Frueh
- LOEWE Center for Cell and Gene Therapy, Goethe University Medical School, Frankfurt, Germany Pediatric Hematology & Oncology, Children's Hospital, Goethe University Medical School, Frankfurt, Germany
| | - Evelyn Ullrich
- LOEWE Center for Cell and Gene Therapy, Goethe University Medical School, Frankfurt, Germany Pediatric Hematology & Oncology, Children's Hospital, Goethe University Medical School, Frankfurt, Germany
| | - Michel Mittelbronn
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, Frankfurt, Germany
| | - Karl H Plate
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, Frankfurt, Germany
| | - Yvonne Reiss
- Institute of Neurology (Edinger Institute), Goethe University Medical School, Frankfurt, Germany German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz, Frankfurt, Germany
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31
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Baker LCJ, Boult JKR, Thomas M, Koehler A, Nayak T, Tessier J, Ooi CH, Birzele F, Belousov A, Zajac M, Horn C, LeFave C, Robinson SP. Acute tumour response to a bispecific Ang-2-VEGF-A antibody: insights from multiparametric MRI and gene expression profiling. Br J Cancer 2016; 115:691-702. [PMID: 27529514 PMCID: PMC5023775 DOI: 10.1038/bjc.2016.236] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 06/03/2016] [Accepted: 07/06/2016] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND To assess antivascular effects, and evaluate clinically translatable magnetic resonance imaging (MRI) biomarkers of tumour response in vivo, following treatment with vanucizumab, a bispecific human antibody against angiopoietin-2 (Ang-2) and vascular endothelial growth factor-A (VEGF-A). METHODS Colo205 colon cancer xenografts were imaged before and 5 days after treatment with a single 10 mg kg(-1) dose of either vanucizumab, bevacizumab (anti-human VEGF-A), LC06 (anti-murine/human Ang-2) or omalizumab (anti-human IgE control). Volumetric response was assessed using T2-weighted MRI, and diffusion-weighted, dynamic contrast-enhanced (DCE) and susceptibility contrast MRI used to quantify tumour water diffusivity (apparent diffusion coefficient (ADC), × 10(6) mm(2) s(-1)), vascular perfusion/permeability (K(trans), min(-1)) and fractional blood volume (fBV, %) respectively. Pathological correlates were sought, and preliminary gene expression profiling performed. RESULTS Treatment with vanucizumab, bevacizumab or LC06 induced a significant (P<0.01) cytolentic response compared with control. There was no significant change in tumour ADC in any treatment group. Uptake of Gd-DTPA was restricted to the tumour periphery in all post-treatment groups. A significant reduction in tumour K(trans) (P<0.05) and fBV (P<0.01) was determined 5 days after treatment with vanucizumab only. This was associated with a significant (P<0.05) reduction in Hoechst 33342 uptake compared with control. Gene expression profiling identified 20 human genes exclusively regulated by vanucizumab, 6 of which are known to be involved in vasculogenesis and angiogenesis. CONCLUSIONS Vanucizumab is a promising antitumour and antiangiogenic treatment, whose antivascular activity can be monitored using DCE and susceptibility contrast MRI. Differential gene expression in vanucizumab-treated tumours is regulated by the combined effect of Ang-2 and VEGF-A inhibition.
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MESH Headings
- Adenocarcinoma/blood supply
- Adenocarcinoma/diagnostic imaging
- Adenocarcinoma/drug therapy
- Adenocarcinoma/pathology
- Angiogenesis Inhibitors/immunology
- Angiogenesis Inhibitors/therapeutic use
- Angiopoietin-2/antagonists & inhibitors
- Angiopoietin-2/immunology
- Animals
- Antibodies, Bispecific/therapeutic use
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Bevacizumab/therapeutic use
- Cell Line, Tumor
- Colonic Neoplasms/blood supply
- Colonic Neoplasms/diagnostic imaging
- Colonic Neoplasms/drug therapy
- Colonic Neoplasms/pathology
- DNA Replication/drug effects
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic/drug effects
- Humans
- Immunoglobulin E/immunology
- Magnetic Resonance Imaging/methods
- Mice
- Molecular Targeted Therapy
- Neovascularization, Pathologic/diagnostic imaging
- Neovascularization, Pathologic/drug therapy
- Neovascularization, Pathologic/pathology
- Omalizumab/therapeutic use
- Tumor Burden
- Vascular Endothelial Growth Factor A/antagonists & inhibitors
- Vascular Endothelial Growth Factor A/immunology
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Lauren CJ Baker
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research, London SM2 5NG, UK
| | - Jessica KR Boult
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research, London SM2 5NG, UK
| | - Markus Thomas
- Roche Pharma Research and Early Development (pRED), Roche Innovation Center, Penzberg DE-82377, Germany
| | - Astrid Koehler
- Roche Pharma Research and Early Development (pRED), Roche Innovation Center, Penzberg DE-82377, Germany
| | - Tapan Nayak
- Roche pRED, Roche Innovation Center, Basel CH-4070, Switzerland
| | - Jean Tessier
- Roche pRED, Roche Innovation Center, Basel CH-4070, Switzerland
| | - Chia-Huey Ooi
- Roche Pharma Research and Early Development (pRED), Roche Innovation Center, Penzberg DE-82377, Germany
| | - Fabian Birzele
- Roche Pharma Research and Early Development (pRED), Roche Innovation Center, Penzberg DE-82377, Germany
| | - Anton Belousov
- Roche Pharma Research and Early Development (pRED), Roche Innovation Center, Penzberg DE-82377, Germany
| | | | - Carsten Horn
- Roche pRED, Roche Innovation Center, Basel CH-4070, Switzerland
| | - Clare LeFave
- Roche pRED, Roche Innovation Center, New York, NY 10016, USA
| | - Simon P Robinson
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research, London SM2 5NG, UK
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32
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Klein C, Schaefer W, Regula JT. The use of CrossMAb technology for the generation of bi- and multispecific antibodies. MAbs 2016; 8:1010-20. [PMID: 27285945 PMCID: PMC4968094 DOI: 10.1080/19420862.2016.1197457] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The major challenge in the generation of bispecific IgG antibodies is enforcement of the correct heavy and light chain association. The correct association of generic light chains can be enabled using immunoglobulin domain crossover, known as CrossMAb technology, which can be combined with approaches enabling correct heavy chain association such as knobs-into-holes (KiH) technology or electrostatic steering. Since its development, this technology has proven to be very versatile, allowing the generation of various bispecific antibody formats, not only heterodimeric/asymmetric bivalent 1+1 CrossMAbs, but also tri- (2+1), tetravalent (2+2) bispecific and multispecific antibodies. Numerous CrossMAbs have been evaluated in preclinical studies, and, so far, 4 different tailor-made bispecific antibodies based on the CrossMAb technology have entered clinical studies. Here, we review the properties and activities of bispecific CrossMAbs and give an overview of the variety of CrossMAb-enabled antibody formats that differ from heterodimeric 1+1 bispecific IgG antibodies.
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Affiliation(s)
- Christian Klein
- a Roche Innovation Center Zurich , Roche Pharmaceutical Research & Early Development, Wagistrasse , Schlieren , Switzerland
| | - Wolfgang Schaefer
- b Roche Innovation Center Munich , Roche Pharmaceutical Research & Early Development, Nonnenwald , Penzberg , Germany
| | - Jörg T Regula
- b Roche Innovation Center Munich , Roche Pharmaceutical Research & Early Development, Nonnenwald , Penzberg , Germany
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33
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Connor AJ, Nowak RP, Lorenzon E, Thomas M, Herting F, Hoert S, Quaiser T, Shochat E, Pitt-Francis J, Cooper J, Maini PK, Byrne HM. An integrated approach to quantitative modelling in angiogenesis research. J R Soc Interface 2016; 12:0546. [PMID: 26289655 DOI: 10.1098/rsif.2015.0546] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Angiogenesis, the process by which new vessels form from existing ones, plays an important role in many developmental processes and pathological conditions. We study angiogenesis in the context of a highly controllable experimental environment: the cornea micropocket assay. Using a multidisciplinary approach that combines experiments, image processing and analysis, and mathematical modelling, we aim to provide mechanistic insight into the action of two angiogenic factors, vascular endothelial growth factor A (VEGF-A) and basic fibroblast growth factor (bFGF). We use image analysis techniques to extract quantitative data, which are both spatially and temporally resolved, from experimental images, and we develop a mathematical model, in which the corneal vasculature evolves in response to both VEGF-A and bFGF. The experimental data are used for model parametrization, while the mathematical model is used to assess the utility of the cornea micropocket assay and to characterize proposed synergies between VEGF-A and bFGF.
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Affiliation(s)
- Anthony J Connor
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford OX2 6GG, UK Department of Computer Science, University of Oxford, Oxford OX1 3QD, UK
| | - Radosław P Nowak
- Department of Computer Science, University of Oxford, Oxford OX1 3QD, UK
| | - Erica Lorenzon
- Roche Pharmaceutical Research and Early Development, Oncology DTA, Roche Innovation Center Penzberg, 82377 Penzberg, Germany
| | - Markus Thomas
- Roche Pharmaceutical Research and Early Development, Discovery Ophthalmology, Roche Innovation Center Basel, 4070 Basel, Switzerland
| | - Frank Herting
- Roche Pharmaceutical Research and Early Development, Oncology DTA, Roche Innovation Center Penzberg, 82377 Penzberg, Germany
| | - Stefan Hoert
- Roche Pharmaceutical Research and Early Development, Oncology DTA, Roche Innovation Center Penzberg, 82377 Penzberg, Germany
| | - Tom Quaiser
- Roche Pharmaceutical Research and Early Development, pRED Informatics, Roche Innovation Center Penzberg, 82377 Penzberg, Germany
| | - Eliezer Shochat
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, 4070 Basel, Switzerland
| | - Joe Pitt-Francis
- Department of Computer Science, University of Oxford, Oxford OX1 3QD, UK
| | - Jonathan Cooper
- Department of Computer Science, University of Oxford, Oxford OX1 3QD, UK
| | - Philip K Maini
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford OX2 6GG, UK
| | - Helen M Byrne
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford OX2 6GG, UK Department of Computer Science, University of Oxford, Oxford OX1 3QD, UK
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Kloepper J, Riedemann L, Amoozgar Z, Seano G, Susek K, Yu V, Dalvie N, Amelung RL, Datta M, Song JW, Askoxylakis V, Taylor JW, Lu-Emerson C, Batista A, Kirkpatrick ND, Jung K, Snuderl M, Muzikansky A, Stubenrauch KG, Krieter O, Wakimoto H, Xu L, Munn LL, Duda DG, Fukumura D, Batchelor TT, Jain RK. Ang-2/VEGF bispecific antibody reprograms macrophages and resident microglia to anti-tumor phenotype and prolongs glioblastoma survival. Proc Natl Acad Sci U S A 2016; 113:4476-81. [PMID: 27044098 PMCID: PMC4843473 DOI: 10.1073/pnas.1525360113] [Citation(s) in RCA: 246] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Inhibition of the vascular endothelial growth factor (VEGF) pathway has failed to improve overall survival of patients with glioblastoma (GBM). We previously showed that angiopoietin-2 (Ang-2) overexpression compromised the benefit from anti-VEGF therapy in a preclinical GBM model. Here we investigated whether dual Ang-2/VEGF inhibition could overcome resistance to anti-VEGF treatment. We treated mice bearing orthotopic syngeneic (Gl261) GBMs or human (MGG8) GBM xenografts with antibodies inhibiting VEGF (B20), or Ang-2/VEGF (CrossMab, A2V). We examined the effects of treatment on the tumor vasculature, immune cell populations, tumor growth, and survival in both the Gl261 and MGG8 tumor models. We found that in the Gl261 model, which displays a highly abnormal tumor vasculature, A2V decreased vessel density, delayed tumor growth, and prolonged survival compared with B20. In the MGG8 model, which displays a low degree of vessel abnormality, A2V induced no significant changes in the tumor vasculature but still prolonged survival. In both the Gl261 and MGG8 models A2V reprogrammed protumor M2 macrophages toward the antitumor M1 phenotype. Our findings indicate that A2V may prolong survival in mice with GBM by reprogramming the tumor immune microenvironment and delaying tumor growth.
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Affiliation(s)
- Jonas Kloepper
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Lars Riedemann
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Zohreh Amoozgar
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Giorgio Seano
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Katharina Susek
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Veronica Yu
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Nisha Dalvie
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Robin L Amelung
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Meenal Datta
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114; Department of Chemical and Biological Engineering, Tufts University, Medford, MA 02155
| | - Jonathan W Song
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Vasileios Askoxylakis
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Jennie W Taylor
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114; Stephen E. and Catherine Pappas Center for Neuro-Oncology, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Christine Lu-Emerson
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114; Stephen E. and Catherine Pappas Center for Neuro-Oncology, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Ana Batista
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Nathaniel D Kirkpatrick
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Keehoon Jung
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Matija Snuderl
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114; Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Alona Muzikansky
- Biostatistics Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Kay G Stubenrauch
- Roche Pharma Research and Early Development, Roche Innovation Center Munich, 82377 Penzberg, Germany
| | - Oliver Krieter
- Roche Pharma Research and Early Development, Roche Innovation Center Munich, 82377 Penzberg, Germany
| | - Hiroaki Wakimoto
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | | | - Lance L Munn
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Dan G Duda
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Dai Fukumura
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114
| | - Tracy T Batchelor
- Stephen E. and Catherine Pappas Center for Neuro-Oncology, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114;
| | - Rakesh K Jain
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114;
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Hutchinson LG, Gaffney EA, Maini PK, Wagg J, Phipps A, Byrne HM. Vascular phenotype identification and anti-angiogenic treatment recommendation: A pseudo-multiscale mathematical model of angiogenesis. J Theor Biol 2016; 398:162-80. [PMID: 26987523 DOI: 10.1016/j.jtbi.2016.03.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 02/29/2016] [Accepted: 03/03/2016] [Indexed: 12/23/2022]
Abstract
The development of anti-angiogenic drugs for cancer therapy has yielded some promising candidates, but novel approaches for interventions to angiogenesis have led to disappointing results. In addition, there is a shortage of biomarkers that are predictive of response to anti-angiogenic treatments. Consequently, the complex biochemical and physiological basis for tumour angiogenesis remains incompletely understood. We have adopted a mathematical approach to address these issues, formulating a spatially averaged multiscale model that couples the dynamics of VEGF, Ang1, Ang2 and PDGF, with those of mature and immature endothelial cells and pericyte cells. The model reproduces qualitative experimental results regarding pericyte coverage of vessels after treatment by anti-Ang2, anti-VEGF and combination anti-VEGF/anti-Ang2 antibodies. We used the steady state behaviours of the model to characterise angiogenic and non-angiogenic vascular phenotypes, and used mechanistic perturbations representing hypothetical anti-angiogenic treatments to generate testable hypotheses regarding transitions to non-angiogenic phenotypes that depend on the pre-treatment vascular phenotype. Additionally, we predicted a synergistic effect between anti-VEGF and anti-Ang2 treatments when applied to an immature pre-treatment vascular phenotype, but not when applied to a normalised angiogenic pre-treatment phenotype. Based on these findings, we conclude that changes in vascular phenotype are predicted to be useful as an experimental biomarker of response to treatment. Further, our analysis illustrates the potential value of non-spatial mathematical models for generating tractable predictions regarding the action of anti-angiogenic therapies.
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Affiliation(s)
- L G Hutchinson
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Andrew Wiles Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford OX2 6GG, UK.
| | - E A Gaffney
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Andrew Wiles Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford OX2 6GG, UK
| | - P K Maini
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Andrew Wiles Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford OX2 6GG, UK
| | - J Wagg
- Roche Pharmaceutical Research and Early Development, Clinical Pharmacology, Roche Innovation Centre Basel, Switzerland
| | - A Phipps
- Pharma Research and Early Development, Roche Innovation Centre Welwyn, 6 Falcon Way, Shire Park, Welwyn Garden City, AL7 1TW, UK
| | - H M Byrne
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Andrew Wiles Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford OX2 6GG, UK
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36
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Role of the tumor stroma in resistance to anti-angiogenic therapy. Drug Resist Updat 2016; 25:26-37. [DOI: 10.1016/j.drup.2016.02.002] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 02/09/2016] [Accepted: 02/17/2016] [Indexed: 12/13/2022]
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37
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Wu FTH, Lee CR, Bogdanovic E, Prodeus A, Gariépy J, Kerbel RS. Vasculotide reduces endothelial permeability and tumor cell extravasation in the absence of binding to or agonistic activation of Tie2. EMBO Mol Med 2016; 7:770-87. [PMID: 25851538 PMCID: PMC4459817 DOI: 10.15252/emmm.201404193] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Angiopoietin-1 (Ang1) activation of Tie2 receptors on endothelial cells (ECs) reduces adhesion by tumor cells (TCs) and limits junctional permeability to TC diapedesis. We hypothesized that systemic therapy with Vasculotide (VT)—a purported Ang1 mimetic, Tie2 agonist—can reduce the extravasation of potentially metastatic circulating TCs by similarly stabilizing the host vasculature. In vitro, VT and Ang1 treatments impeded endothelial hypermeability and the transendothelial migration of MDA-MB-231•LM2-4 (breast), HT29 (colon), or SN12 (renal) cancer cells to varying degrees. In mice, VT treatment inhibited the transit of TCs through the pulmonary endothelium, but not the hepatic or lymphatic endothelium. In the in vivo LM2-4 model, VT monotherapy had no effect on primary tumors, but significantly delayed distant metastatic dissemination to the lungs. In the post-surgical adjuvant treatment setting, VT therapeutically complemented sunitinib therapy, an anti-angiogenic tyrosine kinase inhibitor which limited the local growth of residual disease. Unexpectedly, detailed investigations into the putative mechanism of action of VT revealed no evidence of Tie2 agonism or Tie2 binding; alternative mechanisms have yet to be determined.
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Affiliation(s)
- Florence T H Wu
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Christina R Lee
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Elena Bogdanovic
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Aaron Prodeus
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada Physical Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Jean Gariépy
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada Physical Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Robert S Kerbel
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, Canada
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38
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Büning H, Hacker UT. Inhibitors of Angiogenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 917:261-85. [DOI: 10.1007/978-3-319-32805-8_12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Coelho AL, Araújo AM, Gomes MP, Catarino RJ, Andrade EB, Lopes AM, Medeiros RM. Combined Ang-2 and VEGF serum levels: holding hands as a new integral biomarker in non-small-cell lung cancers. Future Oncol 2015; 11:3233-42. [PMID: 26562248 DOI: 10.2217/fon.15.207] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
AIM Evaluate if serum levels of VEGF and Ang-2 are correlated in non-small-cell lung cancers (NSCLCs) and its implications in the diagnostic and prognostic of the disease. PATIENTS & METHODS Unselected cohort of 145 NSCLC patients and 30 control individuals. The serum levels of Ang-2 and VEGF of each patient were measured by ELISA prior to treatment. RESULTS & CONCLUSIONS Serum levels of Ang-2 and VEGF are correlated (p < 0.0001). High serum levels of Ang-2 and VEGF isolated and both combined (high(Ang-2/VEGF)) correlate with likelihood of presenting NSCLC (p = 0.016; p = 0.003; p < 0.0001, respectively). Serum levels of Ang-2 and high(Ang-2/VEGF) but not VEGF alone are independent prognostic factors (p = 0.001; p = 0.619; p = 0.005). High(Ang-2/VEGF) serum levels could be exploited as a new valuable integral biomarker in NSCLC.
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Affiliation(s)
- Ana Luísa Coelho
- Instituto Português de Oncologia - Porto, Molecular Oncology Group, Portugal.,Faculdade de Medicina - University of Porto, Porto, Portugal
| | - António Manuel Araújo
- Centro Hospitalar do Porto - Medical Oncology Department, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar - University of Porto, Porto, Portugal
| | - Mónica Patrícia Gomes
- Instituto Português de Oncologia - Porto, Molecular Oncology Group, Portugal.,Instituto de Ciências Biomédicas Abel Salazar - University of Porto, Porto, Portugal
| | - Raquel Jorge Catarino
- Instituto Português de Oncologia - Porto, Molecular Oncology Group, Portugal.,Instituto de Ciências Biomédicas Abel Salazar - University of Porto, Porto, Portugal
| | - Elva Bonifácio Andrade
- Instituto de Biologia Molecular e Celular - Immunobiology Research Group, Porto, Portugal
| | - Agostinho Marques Lopes
- Faculdade de Medicina - University of Porto, Porto, Portugal.,Centro Hospitalar de S. João - Pulmonology Department, Porto, Portugal
| | - Rui Manuel Medeiros
- Instituto Português de Oncologia - Porto, Molecular Oncology Group, Portugal.,Instituto de Ciências Biomédicas Abel Salazar - University of Porto, Porto, Portugal.,Liga Portuguesa Contra o Cancro (NRNorte) - Research Department, Porto, Portugal
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40
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Schaefer W, Völger HR, Lorenz S, Imhof-Jung S, Regula JT, Klein C, Mølhøj M. Heavy and light chain pairing of bivalent quadroma and knobs-into-holes antibodies analyzed by UHR-ESI-QTOF mass spectrometry. MAbs 2015; 8:49-55. [PMID: 26496506 DOI: 10.1080/19420862.2015.1111498] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The quadroma antibody represents the first attempt to produce a bispecific heterodimeric IgG antibody by somatic fusion of 2 hybridoma cells each expressing monoclonal antibodies with distinctive specificities. However, because of random heavy and light chain pairing, the desired functional bispecific antibody represents only a small fraction of the protein produced. Subsequently, the knobs-into-holes (KiH) approach was developed to enforce correct heavy chain heterodimerization. Assuming equimolar expression of 4 unmodified chains comprising 2 heavy and 2 light chains, the statistical distribution of all paired combinations can be calculated. With equimolar expression as the goal, we transfected HEK cells with 1:1:1:1 plasmid ratios and analyzed the protein A affinity-purified antibodies from the quadroma and KiH approaches qualitatively and quantitatively with regard to the estimated relative amounts of the products using electrospray quadrupole time-of-flight mass spectrometry. Our results show that all expected species are formed, and that, within the methodological limits, the species distribution in the mixtures corresponds approximately to the statistical distribution.
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Affiliation(s)
- Wolfgang Schaefer
- a Roche Pharma Research and Early Development; Large Molecule Research, Roche Innovation Center Penzberg ; Penzberg , Germany
| | - Hans R Völger
- a Roche Pharma Research and Early Development; Large Molecule Research, Roche Innovation Center Penzberg ; Penzberg , Germany
| | - Stefan Lorenz
- a Roche Pharma Research and Early Development; Large Molecule Research, Roche Innovation Center Penzberg ; Penzberg , Germany
| | - Sabine Imhof-Jung
- a Roche Pharma Research and Early Development; Large Molecule Research, Roche Innovation Center Penzberg ; Penzberg , Germany
| | - Jörg T Regula
- a Roche Pharma Research and Early Development; Large Molecule Research, Roche Innovation Center Penzberg ; Penzberg , Germany
| | - Christian Klein
- b Oncology Discovery & Translational Area, Roche Innovation Center Zurich ; Schlieren , Switzerland
| | - Michael Mølhøj
- a Roche Pharma Research and Early Development; Large Molecule Research, Roche Innovation Center Penzberg ; Penzberg , Germany
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van Beijnum JR, Nowak-Sliwinska P, Huijbers EJM, Thijssen VL, Griffioen AW. The great escape; the hallmarks of resistance to antiangiogenic therapy. Pharmacol Rev 2015; 67:441-61. [PMID: 25769965 DOI: 10.1124/pr.114.010215] [Citation(s) in RCA: 156] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The concept of antiangiogenic therapy in cancer treatment has led to the approval of different agents, most of them targeting the well known vascular endothelial growth factor pathway. Despite promising results in preclinical studies, the efficacy of antiangiogenic therapy in the clinical setting remains limited. Recently, awareness has emerged on resistance to antiangiogenic therapies. It has become apparent that the intricate complex interplay between tumors and stromal cells, including endothelial cells and associated mural cells, allows for escape mechanisms to arise that counteract the effects of these targeted therapeutics. Here, we review and discuss known and novel mechanisms that contribute to resistance against antiangiogenic therapy and provide an outlook to possible improvements in therapeutic approaches.
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Affiliation(s)
- Judy R van Beijnum
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Amsterdam, The Netherlands (J.R.v.B., E.J.M.H., V.L.T., A.W.G.); and Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology, Lausanne, Switzerland (P.N.-S.)
| | - Patrycja Nowak-Sliwinska
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Amsterdam, The Netherlands (J.R.v.B., E.J.M.H., V.L.T., A.W.G.); and Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology, Lausanne, Switzerland (P.N.-S.)
| | - Elisabeth J M Huijbers
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Amsterdam, The Netherlands (J.R.v.B., E.J.M.H., V.L.T., A.W.G.); and Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology, Lausanne, Switzerland (P.N.-S.)
| | - Victor L Thijssen
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Amsterdam, The Netherlands (J.R.v.B., E.J.M.H., V.L.T., A.W.G.); and Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology, Lausanne, Switzerland (P.N.-S.)
| | - Arjan W Griffioen
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Amsterdam, The Netherlands (J.R.v.B., E.J.M.H., V.L.T., A.W.G.); and Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology, Lausanne, Switzerland (P.N.-S.)
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42
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Cañadas I, Taus Á, Villanueva X, Arpí O, Pijuan L, Rodríguez Y, Menéndez S, Mojal S, Rojo F, Albanell J, Rovira A, Arriola E. Angiopoietin-2 is a negative prognostic marker in small cell lung cancer. Lung Cancer 2015; 90:302-6. [PMID: 26428740 DOI: 10.1016/j.lungcan.2015.09.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 09/14/2015] [Accepted: 09/22/2015] [Indexed: 11/17/2022]
Abstract
BACKGROUND Small cell lung cancer (SCLC) is a highly lethal disease due to its chemorefractory nature after initial treatment. Angiogenesis plays an important role in tumor growth, metastasis and chemoresistance. We hypothesized that angiogenesis could predict chemoresistance in SCLC patients and be potentially a therapeutic target in this disease. METHODS Serum samples from forty-three SCLC patients were prospectively obtained at diagnosis, response evaluation and progression. Angiogenesis-related cytokines (Angiopoietin-2, VEGF-A, C and D) were simultaneously quantified by Luminex Technology. Clinical data were prospectively recorder. RESULTS Significantly higher concentration of angiogenesis-related cytokines were found in SCLC patients at diagnosis compared to healthy volunteers. High baseline serum concentration of Angiopoietin-2 (sAngiopoietin-2) were associated with a worse overall survival (p=0.006) and remained independently associated with survival in the multivariate analysis (p=0.008). In addition, sAngiopoietin-2 significantly increased at progression when compared to baseline. CONCLUSION These data provide novel evidence on a role of sAngiopoietin-2 in the adverse clinical behavior of SCLC and could be a potential therapeutic target in this disease.
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Affiliation(s)
- Israel Cañadas
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain.
| | - Álvaro Taus
- Oncology Department, Hospital del Mar, Barcelona, Spain
| | | | - Oriol Arpí
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain
| | - Lara Pijuan
- Pathology Department, Hospital del Mar, Barcelona, Spain
| | - Yara Rodríguez
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain
| | - Silvia Menéndez
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain
| | - Sergi Mojal
- Consulting Service on Methodology for Biomedical Research, IMIM, Barcelona, Spain
| | - Federico Rojo
- Pathology Department, IIS-Fundación Jiménez Díaz, Madrid, Spain
| | - Joan Albanell
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain; Oncology Department, Hospital del Mar, Barcelona, Spain; Universitat Pompeu Fabra, Barcelona, Spain
| | - Ana Rovira
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain; Oncology Department, Hospital del Mar, Barcelona, Spain
| | - Edurne Arriola
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona, Spain; Oncology Department, Hospital del Mar, Barcelona, Spain
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Nicodemus CF. Antibody-based immunotherapy of solid cancers: progress and possibilities. Immunotherapy 2015; 7:923-39. [PMID: 26314410 DOI: 10.2217/imt.15.57] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Monoclonal antibodies remain a primary product option for novel cancer treatment. The properties of an antibody are a function of the antigen specificity and constant region incorporated. The rapid advance in molecular understanding of cancer biology and the host-tumor interaction has defined a new range of targets for antibody development. The clinical success of the checkpoint inhibitors has validated immune modulation and mobilization as a therapeutic approach. Solid cancers are distinguished from hematologic malignancies because the solid tumor stroma contains significant tumor promoting and immune dampening elements less prominent in hematologic cancer. This review highlights how engineered monoclonal antibody products are emerging as potential cornerstones of new more personalized cancer treatment paradigms that target both tumor and the stromal environment.
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Bessho H, Wong B, Huang D, Tan J, Ong CK, Iwamura M, Hart S, Dangl M, Thomas M, Teh BT. Effect of Ang-2-VEGF-A Bispecific Antibody in Renal Cell Carcinoma. Cancer Invest 2015; 33:378-86. [PMID: 26115098 DOI: 10.3109/07357907.2015.1047505] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The blockade of VEGF pathway has been clinically validated as an initial treatment for renal cell carcinoma (RCC). Angiopoietin-2 (Ang-2) has been indicated as a key regulator for angiogenesis escape. The effect of a novel bispecific antibody (A2V CrossMab) against both Ang-2 and VEGF was investigated in comparison with either factor. A2V CrossMab significantly reduced tumor volume, vessel density, and interstitial fluid pressure compared to either monotherapy of anti-VEGF or anti-Ang-2. Host-derived angiogenesis-related genes have been significantly down-regulated in A2V CrossMab group. These data demonstrate that A2V CrossMab has additive anti-tumor effect for the treatment of RCC.
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Affiliation(s)
- Hideharu Bessho
- a Laboratory of Cancer Epigenome , National Cancer Centre Singapore , Singapore.,b Program in Cancer and Stem Cell Biology , Duke-NUS Graduate Medical School , Singapore.,c Department of Urology , Kitasato University School of Medicine , Kanagawa , Japan
| | - Bernice Wong
- a Laboratory of Cancer Epigenome , National Cancer Centre Singapore , Singapore.,b Program in Cancer and Stem Cell Biology , Duke-NUS Graduate Medical School , Singapore
| | - Dachuan Huang
- a Laboratory of Cancer Epigenome , National Cancer Centre Singapore , Singapore.,b Program in Cancer and Stem Cell Biology , Duke-NUS Graduate Medical School , Singapore
| | - Jing Tan
- a Laboratory of Cancer Epigenome , National Cancer Centre Singapore , Singapore.,b Program in Cancer and Stem Cell Biology , Duke-NUS Graduate Medical School , Singapore
| | - Choon Kiat Ong
- a Laboratory of Cancer Epigenome , National Cancer Centre Singapore , Singapore.,b Program in Cancer and Stem Cell Biology , Duke-NUS Graduate Medical School , Singapore
| | - Masatsugu Iwamura
- c Department of Urology , Kitasato University School of Medicine , Kanagawa , Japan
| | - Stefan Hart
- d Roche Pharma Research & Early Development , Translational Medicine Hub , Singapore , Singapore
| | - Markus Dangl
- d Roche Pharma Research & Early Development , Translational Medicine Hub , Singapore , Singapore
| | | | - Bin Tean Teh
- a Laboratory of Cancer Epigenome , National Cancer Centre Singapore , Singapore.,b Program in Cancer and Stem Cell Biology , Duke-NUS Graduate Medical School , Singapore.,f Cancer Science Institute of Singapore , National University of Singapore , Singapore
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45
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Keskin D, Kim J, Cooke VG, Wu CC, Sugimoto H, Gu C, De Palma M, Kalluri R, LeBleu VS. Targeting vascular pericytes in hypoxic tumors increases lung metastasis via angiopoietin-2. Cell Rep 2015; 10:1066-81. [PMID: 25704811 DOI: 10.1016/j.celrep.2015.01.035] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 12/02/2014] [Accepted: 01/13/2015] [Indexed: 01/12/2023] Open
Abstract
Strategies to target angiogenesis include inhibition of the vessel-stabilizing properties of vascular pericytes. Pericyte depletion in early-stage non-hypoxic tumors suppressed nascent angiogenesis, tumor growth, and lung metastasis. In contrast, pericyte depletion in advanced-stage hypoxic tumors with pre-established vasculature resulted in enhanced intra-tumoral hypoxia, decreased tumor growth, and increased lung metastasis. Furthermore, depletion of pericytes in post-natal retinal blood vessels resulted in abnormal and leaky vasculature. Tumor transcriptome profiling and biological validation revealed that angiopoietin signaling is a key regulatory pathway associated with pericyte targeting. Indeed, pericyte targeting in established mouse tumors increased angiopoietin-2 (ANG2/Angpt2) expression. Depletion of pericytes, coupled with targeting of ANG2 signaling, restored vascular stability in multiple model systems and decreased tumor growth and metastasis. Importantly, ANGPT2 expression correlated with poor outcome in patients with breast cancer. These results emphasize the potential utility of therapeutic regimens that target pericytes and ANG2 signaling in metastatic breast cancer.
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Affiliation(s)
- Doruk Keskin
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02115, USA
| | - Jiha Kim
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Vesselina G Cooke
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02115, USA
| | - Chia-Chin Wu
- Department of Genomic Medicine, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Hikaru Sugimoto
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02115, USA
| | - Chenghua Gu
- Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Michele De Palma
- The Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Raghu Kalluri
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02115, USA.
| | - Valerie S LeBleu
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02115, USA.
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Yang X, Shen F, Hu W, Coleman RL, Sood AK. New ways to successfully target tumor vasculature in ovarian cancer. Curr Opin Obstet Gynecol 2015; 27:58-65. [PMID: 25502429 PMCID: PMC4529067 DOI: 10.1097/gco.0000000000000136] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW The aim of this article was to review the recent literature on potential therapeutic strategies for overcoming resistance to antivascular endothelial growth factor drugs in ovarian cancer. RECENT FINDINGS Although clinical benefits of antivascular endothelial growth factor therapy were observed in ovarian cancer treatment trials, this use yielded only modest improvement in progression-free survival and, with the exception of cediranib, no effect on overall survival. Adaptive resistance and escape from antiangiogenesis therapy is likely a multifactorial process, including induction of hypoxia, vascular modulators, and immune response. New drugs targeting the tumor vasculature or other components of the surrounding microenvironment have shown promising results. SUMMARY When to start and end antiangiogenesis therapy and the choice of optimal treatment combinations remain controversial. Further evaluation of personalized novel angiogenesis-based therapy is warranted. Defining the critical interaction of these agents and pathways and the appropriate predictive markers will become an increasingly important objective for effective treatment.
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Affiliation(s)
- Xiaoyun Yang
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Fangrong Shen
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Wei Hu
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Robert L. Coleman
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Anil K. Sood
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Coelho AL, Araújo A, Gomes M, Catarino R, Marques A, Medeiros R. Circulating Ang-2 mRNA expression levels: looking ahead to a new prognostic factor for NSCLC [corrected]. PLoS One 2014; 9:e90009. [PMID: 24587185 PMCID: PMC3938581 DOI: 10.1371/journal.pone.0090009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 01/24/2014] [Indexed: 01/15/2023] Open
Abstract
Non-small cell lung cancer (NSCLC) is the most common cancer and the leading cause of death from cancer worldwide. Antiangiogenic strategies directed towards tumor stroma are becoming gold standard in NSCLC treatment and researchers have been searching for biomarkers to identify patients for whom therapy with antiangiogenic inhibitors may be most beneficial and the importance of these as prognostic factors in NSCLC. The purpose of this study was to evaluate the prognostic value of circulating Ang-2 mRNA levels prior to treatment in NSCLC patients. The mRNA levels were determined by quantitative real-time PCR in the peripheral blood of 92 NSCLC patients. Our results demonstrate that patients with high circulating Ang-2 mRNA levels have diminished overall survival when compared to those with low mRNA levels (20.3 months vs 34.3 months, respectively; Log Rank Test, p = 0.016), when considering all NSCLC stages and this difference is even bigger when considering only patients with stage IV (15.9 months vs 31.3 months, respectively; Log Rank Test, p = 0.036). Moreover, circulating Ang-2 mRNA levels independently determine overall survival, and the concordance (c) index analysis showed that the definition of a nomogram that contains information regarding tumor stage, patients' smoking status and circulating Ang-2 mRNA levels present an increased capacity to predict overall survival in NSCLC patients (c-index 0.798). These results suggest that this nomogram could serve as a unique and practical tool to determine prognosis in NSCLC, not relying on the availability of adequate surgical or biopsy specimens of NSCLC. Attending to our results, the circulating Ang-2 mRNA levels should also be included in the design of preclinical studies and clinical trials involving antiangiogenic drugs targeting Ang-2, to guide adequate patient stratification and dose selection and increasing the likelihood of benefit to a level that is acceptable to patients and clinicians.
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Affiliation(s)
- Ana L. Coelho
- Molecular Oncology Group, Portuguese Institute of Oncology Porto, Porto, Portugal
- Faculty of Medicine, University of Porto, Porto, Portugal
- * E-mail:
| | - António Araújo
- Molecular Oncology Group, Portuguese Institute of Oncology Porto, Porto, Portugal
- Medical Oncology Department, Centro Hospitalar de Entre o Douro e Vouga, Santa Maria da Feira, Portugal
- Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, Portugal
| | - Mónica Gomes
- Molecular Oncology Group, Portuguese Institute of Oncology Porto, Porto, Portugal
- Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, Portugal
| | - Raquel Catarino
- Molecular Oncology Group, Portuguese Institute of Oncology Porto, Porto, Portugal
- Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, Portugal
| | - Agostinho Marques
- Faculty of Medicine, University of Porto, Porto, Portugal
- Pulmonology Department, Centro Hospitalar de S. João, Porto, Portugal
| | - Rui Medeiros
- Molecular Oncology Group, Portuguese Institute of Oncology Porto, Porto, Portugal
- Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, Portugal
- Research Department, Portuguese League Against Cancer (NRNorte), Porto, Portugal
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Hu J, Srivastava K, Wieland M, Runge A, Mogler C, Besemfelder E, Terhardt D, Vogel MJ, Cao L, Korn C, Bartels S, Thomas M, Augustin HG. Endothelial cell-derived angiopoietin-2 controls liver regeneration as a spatiotemporal rheostat. Science 2014; 343:416-9. [PMID: 24458641 DOI: 10.1126/science.1244880] [Citation(s) in RCA: 221] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Liver regeneration requires spatially and temporally precisely coordinated proliferation of the two major hepatic cell populations, hepatocytes and liver sinusoidal endothelial cells (LSECs), to reconstitute liver structure and function. The underlying mechanisms of this complex molecular cross-talk remain elusive. Here, we show that the expression of Angiopoietin-2 (Ang2) in LSECs is dynamically regulated after partial hepatectomy. During the early inductive phase of liver regeneration, Ang2 down-regulation leads to reduced LSEC transforming growth factor-β1 production, enabling hepatocyte proliferation by releasing an angiocrine proliferative brake. During the later angiogenic phase of liver regeneration, recovery of endothelial Ang2 expression enables regenerative angiogenesis by controlling LSEC vascular endothelial growth factor receptor 2 expression. The data establish LSECs as a dynamic rheostat of liver regeneration, spatiotemporally orchestrating hepatocyte and LSEC proliferation through angiocrine- and autocrine-acting Ang2, respectively.
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Affiliation(s)
- Junhao Hu
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ), DKFZ-Center for Molecular Biology Alliance, 69120 Heidelberg, Germany
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Kienast Y, Klein C, Scheuer W, Raemsch R, Lorenzon E, Bernicke D, Herting F, Yu S, The HH, Martarello L, Gassner C, Stubenrauch KG, Munro K, Augustin HG, Thomas M. Ang-2-VEGF-A CrossMab, a Novel Bispecific Human IgG1 Antibody Blocking VEGF-A and Ang-2 Functions Simultaneously, Mediates Potent Antitumor, Antiangiogenic, and Antimetastatic Efficacy. Clin Cancer Res 2013; 19:6730-40. [DOI: 10.1158/1078-0432.ccr-13-0081] [Citation(s) in RCA: 150] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Ziegler T, Horstkotte J, Schwab C, Pfetsch V, Weinmann K, Dietzel S, Rohwedder I, Hinkel R, Gross L, Lee S, Hu J, Soehnlein O, Franz WM, Sperandio M, Pohl U, Thomas M, Weber C, Augustin HG, Fässler R, Deutsch U, Kupatt C. Angiopoietin 2 mediates microvascular and hemodynamic alterations in sepsis. J Clin Invest 2013; 123:66549. [PMID: 23863629 PMCID: PMC3726157 DOI: 10.1172/jci66549] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Accepted: 05/06/2013] [Indexed: 01/22/2023] Open
Abstract
Septic shock is characterized by increased vascular permeability and hypotension despite increased cardiac output. Numerous vasoactive cytokines are upregulated during sepsis, including angiopoietin 2 (ANG2), which increases vascular permeability. Here we report that mice engineered to inducibly overexpress ANG2 in the endothelium developed sepsis-like hemodynamic alterations, including systemic hypotension, increased cardiac output, and dilatory cardiomyopathy. Conversely, mice with cardiomyocyte-restricted ANG2 overexpression failed to develop hemodynamic alterations. Interestingly, the hemodynamic alterations associated with endothelial-specific overexpression of ANG2 and the loss of capillary-associated pericytes were reversed by intravenous injections of adeno-associated viruses (AAVs) transducing cDNA for angiopoietin 1, a TIE2 ligand that antagonizes ANG2, or AAVs encoding PDGFB, a chemoattractant for pericytes. To confirm the role of ANG2 in sepsis, we i.p. injected LPS into C57BL/6J mice, which rapidly developed hypotension, acute pericyte loss, and increased vascular permeability. Importantly, ANG2 antibody treatment attenuated LPS-induced hemodynamic alterations and reduced the mortality rate at 36 hours from 95% to 61%. These data indicate that ANG2-mediated microvascular disintegration contributes to septic shock and that inhibition of the ANG2/TIE2 interaction during sepsis is a potential therapeutic target.
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Affiliation(s)
- Tilman Ziegler
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Jan Horstkotte
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Claudia Schwab
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Vanessa Pfetsch
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Karolina Weinmann
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Steffen Dietzel
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Ina Rohwedder
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Rabea Hinkel
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Lisa Gross
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Seungmin Lee
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Junhao Hu
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Oliver Soehnlein
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Wolfgang M. Franz
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Markus Sperandio
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Ulrich Pohl
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Markus Thomas
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Christian Weber
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Hellmut G. Augustin
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Reinhard Fässler
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Urban Deutsch
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
| | - Christian Kupatt
- Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig Maximilians University, Munich, Germany.
Theodor Kocher Institute, Bern, Switzerland.
Walter Brendel Centre of Experimental Medicine, Ludwig Maximilians University, Munich, Germany.
Department for Molecular Medicine, Max-Planck Institute for Biochemistry, Martinsried, Germany.
DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany.
Joint Research Division Vascular Biology, Medical Faculty Mannheim (Centre for Biomedicine and Medical Technology Mannheim) and German Cancer Research Center (DKFZ–Zentrum für Molekulare Biologie der Universität Heidelberg Alliance), Heidelberg, Germany.
Institute for Cardiovascular Prevention, Ludwig Maximilians University, Munich, Germany.
Discovery Oncology, Pharma Research and Early Development, Roche Diagnostics GmbH, Penzberg, Germany
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