1
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Singh PK, Stan RC. Self-inhibition of HER2 and HER3 at fever temperatures may prevent their hetero-dimerization. J Biomol Struct Dyn 2024; 42:5470-5473. [PMID: 37342980 DOI: 10.1080/07391102.2023.2227700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/14/2023] [Indexed: 06/23/2023]
Abstract
HER2 and HER3 receptors dimerize into potent pro-oncogenic complexes involved in various aggressive and recurrent tumors. The role of febrile temperatures on the formation of HER2:HER3 complexes is unknown. To this end, molecular dynamics simulations of HER2 and HER3 were performed in the 37 °C-40 °C range. HER2 and ligand-free HER32 display inactive conformers that cannot form complexes at 40 °C, while maintaining their extended conformations able to dimerize in the 37 °C-39 °C range. Thermal therapy at particular fever points may complement existing therapy options for HER2-relevant cancers.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Puneet Kumar Singh
- Department of Basic Medical Science, Chonnam National University, Gwangju, Republic of Korea
| | - Razvan C Stan
- Department of Basic Medical Science, Chonnam National University, Gwangju, Republic of Korea
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2
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Pan L, Li J, Xu Q, Gao Z, Yang M, Wu X, Li X. HER2/PI3K/AKT pathway in HER2-positive breast cancer: A review. Medicine (Baltimore) 2024; 103:e38508. [PMID: 38875362 DOI: 10.1097/md.0000000000038508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/16/2024] Open
Abstract
Breast cancer is currently the most commonly occurring cancer globally. Among breast cancer cases, the human epidermal growth factor receptor 2 (HER2)-positive breast cancer accounts for 15% to 20% and is a crucial focus in the treatment of breast cancer. Common HER2-targeted drugs approved for treating early and/or advanced breast cancer include trastuzumab and pertuzumab, which effectively improve patient prognosis. However, despite treatment, most patients with terminal HER2-positive breast cancer ultimately suffer death from the disease due to primary or acquired drug resistance. The prevalence of aberrantly activated the protein kinase B (AKT) signaling in HER2-positive breast cancer was already observed in previous studies. It is well known that p-AKT expression is linked to an unfavorable prognosis, and the phosphatidylinositol-3-kinase (PI3K)/AKT pathway, as the most common mutated pathway in breast cancer, plays a major role in the mechanism of drug resistance. Therefore, in the current review, we summarize the molecular alterations present in HER2-positive breast cancer, elucidate the relationships between HER2 overexpression and alterations in the PI3K/AKT signaling pathway and the pathways of the alterations in breast cancer, and summarize the resistant mechanism of drugs targeting the HER2-AKT pathway, which will provide an adjunctive therapeutic rationale for subsequent resistance to directed therapy in the future.
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Affiliation(s)
- Linghui Pan
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Jinling Li
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
- Department of Laboratory Medicine, Chonggang General Hospital, Chongqing, China
| | - Qi Xu
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Zili Gao
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Mao Yang
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Xiaoping Wu
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Xuesen Li
- Institute for Cancer Medicine and School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
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3
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Li WJ, Xie CY, Zhu X, Tang J, Wang L, Lou LG. SIBP-03, a novel anti-HER3 antibody, exerts antitumor effects and synergizes with EGFR- and HER2-targeted drugs. Acta Pharmacol Sin 2024; 45:857-866. [PMID: 38200149 PMCID: PMC10942974 DOI: 10.1038/s41401-023-01221-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
HER3 (human epidermal growth factor receptor 3) acts through heterodimerization with EGFR (epidermal growth factor receptor) or HER2 to play an essential role in activating phosphoinositide 3-kinase (PI3K) and AKT signaling-a crucial pathway that promotes tumor cell survival. HER3 is a promising target for cancer therapy, and several HER3-directed antibodies have already entered into clinical trials. In this study we characterized a novel anti-HER3 monoclonal antibody, SIBP-03. SIBP-03 (0.01-10 μg/mL) specifically and concentration-dependently blocked both neuregulin (NRG)-dependent and -independent HER3 activation, attenuated HER3-mediated downstream signaling and inhibited cell proliferation. This antitumor activity was dependent, at least in part, on SIBP-03-induced, cell-mediated cytotoxicity and cellular phagocytosis. Importantly, SIBP-03 enhanced the antitumor activity of EGFR- or HER2-targeted drugs (cetuximab or trastuzumab) in vitro and in vivo. The mechanisms underlying this synergy involve increased inhibition of HER3-mediated downstream signaling. Collectively, these results demonstrated that SIBP-03, which is currently undergoing a Phase I clinical trial in China, may offer a new treatment option for patients with cancers harboring activated HER3, particularly as part of a combinational therapeutic strategy.
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Affiliation(s)
- Wen-Jing Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Cheng-Ying Xie
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Xi Zhu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jiao Tang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Lei Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
| | - Li-Guang Lou
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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4
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Majumder A. HER3: Toward the Prognostic Significance, Therapeutic Potential, Current Challenges, and Future Therapeutics in Different Types of Cancer. Cells 2023; 12:2517. [PMID: 37947595 PMCID: PMC10648638 DOI: 10.3390/cells12212517] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/14/2023] [Accepted: 10/20/2023] [Indexed: 11/12/2023] Open
Abstract
Human epidermal growth factor receptor 3 (HER3) is the only family member of the EGRF/HER family of receptor tyrosine kinases that lacks an active kinase domain (KD), which makes it an obligate binding partner with other receptors for its oncogenic role. When HER3 is activated in a ligand-dependent (NRG1/HRG) or independent manner, it can bind to other receptors (the most potent binding partner is HER2) to regulate many biological functions (growth, survival, nutrient sensing, metabolic regulation, etc.) through the PI3K-AKT-mTOR pathway. HER3 has been found to promote tumorigenesis, tumor growth, and drug resistance in different cancer types, especially breast and non-small cell lung cancer. Given its ubiquitous expression across different solid tumors and role in oncogenesis and drug resistance, there has been a long effort to target HER3. As HER3 cannot be targeted through its KD with small-molecule kinase inhibitors via the conventional method, pharmaceutical companies have used various other approaches, including blocking either the ligand-binding domain or extracellular domain for dimerization with other receptors. The development of treatment options with anti-HER3 monoclonal antibodies, bispecific antibodies, and different combination therapies showed limited clinical efficiency for various reasons. Recent reports showed that the extracellular domain of HER3 is not required for its binding with other receptors, which raises doubt about the efforts and applicability of the development of the HER3-antibodies for treatment. Whereas HER3-directed antibody-drug conjugates showed potentiality for treatment, these drugs are still under clinical trial. The currently understood model for dimerization-induced signaling remains incomplete due to the absence of the crystal structure of HER3 signaling complexes, and many lines of evidence suggest that HER family signaling involves more than the interaction of two members. This review article will significantly expand our knowledge of HER3 signaling and shed light on developing a new generation of drugs that have fewer side effects than the current treatment regimen for these patients.
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Affiliation(s)
- Avisek Majumder
- Department of Medicine, University of California, San Francisco, CA 94158, USA
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5
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Gandullo-Sánchez L, Ocaña A, Pandiella A. HER3 in cancer: from the bench to the bedside. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2022; 41:310. [PMID: 36271429 PMCID: PMC9585794 DOI: 10.1186/s13046-022-02515-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 10/07/2022] [Indexed: 11/15/2022]
Abstract
The HER3 protein, that belongs to the ErbB/HER receptor tyrosine kinase (RTK) family, is expressed in several types of tumors. That fact, together with the role of HER3 in promoting cell proliferation, implicate that targeting HER3 may have therapeutic relevance. Furthermore, expression and activation of HER3 has been linked to resistance to drugs that target other HER receptors such as agents that act on EGFR or HER2. In addition, HER3 has been associated to resistance to some chemotherapeutic drugs. Because of those circumstances, efforts to develop and test agents targeting HER3 have been carried out. Two types of agents targeting HER3 have been developed. The most abundant are antibodies or engineered antibody derivatives that specifically recognize the extracellular region of HER3. In addition, the use of aptamers specifically interacting with HER3, vaccines or HER3-targeting siRNAs have also been developed. Here we discuss the state of the art of the preclinical and clinical development of drugs aimed at targeting HER3 with therapeutic purposes.
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Affiliation(s)
- Lucía Gandullo-Sánchez
- grid.428472.f0000 0004 1794 2467Instituto de Biología Molecular y Celular del Cáncer, CSIC, IBSAL and CIBERONC, Campus Miguel de Unamuno, 37007 Salamanca, Spain
| | - Alberto Ocaña
- grid.411068.a0000 0001 0671 5785Hospital Clínico San Carlos and CIBERONC, 28040 Madrid, Spain
| | - Atanasio Pandiella
- grid.428472.f0000 0004 1794 2467Instituto de Biología Molecular y Celular del Cáncer, CSIC, IBSAL and CIBERONC, Campus Miguel de Unamuno, 37007 Salamanca, Spain
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6
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Fan X, Yuan Z, Zhao Y, Xiong W, Hsiao HC, Pare R, Ding J, Almosa A, Sun K, Zhang S, Jordan RE, Lee CS, An Z, Zhang N. Impairment of IgG Fc functions promotes tumor progression and suppresses NK cell antitumor actions. Commun Biol 2022; 5:960. [PMID: 36104515 PMCID: PMC9474879 DOI: 10.1038/s42003-022-03931-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 09/01/2022] [Indexed: 11/15/2022] Open
Abstract
Natural killer (NK) cells mediate antibody dependent cytotoxic killing of cancer cells via cross-linking FcγR on NK cells with IgG-Fc. Studies have shown that the single-hinge cleaved IgGs (scIgGs) have dysfunctional Fc and failed engagement with FcγRs on immune cells. However, little is known about how scIgGs impact on antitumor immunity in the tumor microenvironment. In this study, we revealed a significant association of tumor scIgGs with tumor progression and poor outcomes of breast cancer patients (n = 547). Using multiple mouse tumor models, we demonstrated that tumor scIgGs reduced NK cell cytotoxic activities and resulted in aggressive tumor progression. We further showed that an anti-hinge specific monoclonal antibody (AHA) rescued the dysfunctional Fc in scIgGs by providing a functional Fc and restored NK cell cytotoxic activity. These findings point to a novel immunotherapeutic strategy to enhance Fc engagement with FcγRs for activation of anticancer immunity.
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Affiliation(s)
- Xuejun Fan
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
| | - Zihao Yuan
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
| | - Yueshui Zhao
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Wei Xiong
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
| | - Hao-Ching Hsiao
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
| | - Rahmawati Pare
- School of Medicine, Western Sydney University, Department of Anatomical Pathology, Liverpool Hospital, Cancer Pathology Laboratory, Ingham Institute for Applied Medical Research, Liverpool BC, NSW, 1871, Australia
- Medicine & Health Sciences, University Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
| | - Jianmin Ding
- Department of Pathology and Laboratory Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Ahmad Almosa
- Department of Pathology and Laboratory Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Kai Sun
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
| | - Songlin Zhang
- Department of Pathology and Laboratory Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Robert E Jordan
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA
| | - Cheok Song Lee
- School of Medicine, Western Sydney University, Department of Anatomical Pathology, Liverpool Hospital, Cancer Pathology Laboratory, Ingham Institute for Applied Medical Research, Liverpool BC, NSW, 1871, Australia
| | - Zhiqiang An
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA.
| | - Ningyan Zhang
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, 1825 Pressler St., Houston, TX, 77030, USA.
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7
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Moasser MM. Inactivating amplified HER2: challenges, dilemmas, and future directions. Cancer Res 2022; 82:2811-2820. [PMID: 35731927 DOI: 10.1158/0008-5472.can-22-1121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/10/2022] [Accepted: 06/15/2022] [Indexed: 11/16/2022]
Abstract
The pharmaceutical inactivation of driver oncogenes has revolutionized the treatment of cancer replacing cytotoxic chemotherapeutic approaches with kinase inhibitor therapies for many types of cancers. This approach has not yet been realized for the treatment of HER2-amplified cancers. The monotherapy activities associated with HER2-targeting antibodies and kinase inhibitors are modest, and their clinical use has been in combination with, and not in replacement of cytotoxic chemotherapies. This stands in sharp contrast to achievements in the treatment of many other oncogene-driven cancers. The mechanism-based treatment hypothesis regarding the inactivation of HER2 justifies expectations far beyond what is currently realized. Overcoming this barrier requires mechanistic insights that can fuel new directions for pursuit, but scientific investigation of this treatment hypothesis, particularly with regards to trastuzumab, has been complicated by conflicting and confusing data sets, ironclad dogma, and mechanistic conclusions that have repeatedly failed to translate clinically. We are now approaching a point of convergence regarding the challenges and resiliency in this tumor driver, and I will provide here a review and opinion to inform where we currently stand with this treatment hypothesis and where the future potential lies.
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Affiliation(s)
- Mark M Moasser
- University of California, San Francisco, San Francisco, CA, United States
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8
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Campbell MR, Ruiz-Saenz A, Peterson E, Agnew C, Ayaz P, Garfinkle S, Littlefield P, Steri V, Oeffinger J, Sampang M, Shan Y, Shaw DE, Jura N, Moasser MM. Targetable HER3 functions driving tumorigenic signaling in HER2-amplified cancers. Cell Rep 2022; 38:110291. [PMID: 35108525 PMCID: PMC8889928 DOI: 10.1016/j.celrep.2021.110291] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 08/30/2021] [Accepted: 12/29/2021] [Indexed: 12/26/2022] Open
Abstract
Effective inactivation of the HER2-HER3 tumor driver has remained elusive because of the challenging attributes of the pseudokinase HER3. We report a structure-function study of constitutive HER2-HER3 signaling to identify opportunities for targeting. The allosteric activation of the HER2 kinase domain (KD) by the HER3 KD is required for tumorigenic signaling and can potentially be targeted by allosteric inhibitors. ATP binding within the catalytically inactive HER3 KD provides structural rigidity that is important for signaling, but this is mimicked, not opposed, by small molecule ATP analogs, reported here in a bosutinib-bound crystal structure. Mutational disruption of ATP binding and molecular dynamics simulation of the apo KD of HER3 identify a conformational coupling of the ATP pocket with a hydrophobic AP-2 pocket, analogous to EGFR, that is critical for tumorigenic signaling and feasible for targeting. The value of these potential target sites is confirmed in tumor growth assays using gene replacement techniques.
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Affiliation(s)
- Marcia R Campbell
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Ana Ruiz-Saenz
- Departments of Cell Biology & Medical Oncology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Elliott Peterson
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Christopher Agnew
- Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Pelin Ayaz
- D. E. Shaw Research, New York, NY 10036, USA
| | | | - Peter Littlefield
- Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Veronica Steri
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Julie Oeffinger
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Maryjo Sampang
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Yibing Shan
- D. E. Shaw Research, New York, NY 10036, USA
| | - David E Shaw
- D. E. Shaw Research, New York, NY 10036, USA; Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032, USA
| | - Natalia Jura
- Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Mark M Moasser
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA.
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9
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Campbell MR, Ruiz-Saenz A, Zhang Y, Peterson E, Steri V, Oeffinger J, Sampang M, Jura N, Moasser MM. Extensive conformational and physical plasticity protects HER2-HER3 tumorigenic signaling. Cell Rep 2022; 38:110285. [PMID: 35108526 PMCID: PMC8865943 DOI: 10.1016/j.celrep.2021.110285] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 08/30/2021] [Accepted: 12/28/2021] [Indexed: 12/13/2022] Open
Abstract
Surface-targeting biotherapeutic agents have been successful in treating HER2-amplified cancers through immunostimulation or chemodelivery but have failed to produce effective inhibitors of constitutive HER2-HER3 signaling. We report an extensive structure-function analysis of this tumor driver, revealing complete uncoupling of intracellular signaling and tumorigenic function from regulation or constraints from their extracellular domains (ECDs). The canonical HER3 ECD conformational changes and exposure of the dimerization interface are nonessential, and the entire ECDs of HER2 and HER3 are redundant for tumorigenic signaling. Restricting the proximation of partner ECDs with bulk and steric clash through extremely disruptive receptor engineering leaves tumorigenic signaling unperturbed. This is likely due to considerable conformational flexibilities across the span of these receptor molecules and substantial undulations in the plane of the plasma membrane, none of which had been foreseen as impediments to targeting strategies. The massive overexpression of HER2 functionally and physically uncouples intracellular signaling from extracellular constraints.
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Affiliation(s)
- Marcia R Campbell
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Ana Ruiz-Saenz
- Departments of Cell Biology & Medical Oncology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Yuntian Zhang
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Elliott Peterson
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Veronica Steri
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Julie Oeffinger
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Maryjo Sampang
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Natalia Jura
- Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Mark M Moasser
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA.
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10
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Hassani D, Jeddi-Tehrani M, Yousefi P, Mansouri-Fard S, Mobini M, Ahmadi-Zare H, Golsaz-Shirazi F, Amiri MM, Shokri F. Differential tumor inhibitory effects induced by HER3 extracellular subdomain-specific mouse monoclonal antibodies. Cancer Chemother Pharmacol 2022; 89:347-361. [PMID: 35079876 DOI: 10.1007/s00280-021-04390-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/15/2021] [Indexed: 02/06/2023]
Abstract
PURPOSE The therapeutic potential of targeting the human epidermal growth factor receptor-3 (ErbB3/HER3) has long been ignored due to impaired tyrosine kinase function and low expression level in tumor cells compared with EGFR and HER2. Although recent investigations have explored the potential benefit of HER3 targeting and several anti-HER3 agents have been developed, there is still a critical need to design and produce more efficient therapeutics. This study was designed to develop tumor inhibitory monoclonal antibodies (MAbs) against different extracellular subdomains of HER3. METHODS Distinct extracellular subdomains of HER3 (DI+II and DIII+IV) were utilized to produce MAbs by hybridoma technology. Biochemical and functional characteristics of these MAbs were then investigated by various methodologies, including immunoblotting, flow cytometry, cell proliferation, cell signaling, and enzyme-linked immunosorbent assays. RESULTS Four anti-DI+II and six anti-DIII+IV MAbs were obtained, selected based on their ability to bind recombinant full HER3 extracellular domain (ECD). Our data showed that only one anti-DI+II and four anti-DIII+IV MAbs recognized the native form of HER3 by immunoblotting. Four MAbs recognized the membranous HER3 by flow cytometry leading to induction of different levels of receptor internalization and subsequent degradation. Results of cell proliferation assays using these MAbs indicated that they differentially inhibited proliferation of HER3-expressing cancer cells and showed considerable synergistic effects in combination with trastuzumab. Selected MAb with the highest inhibitory effect significantly inhibited the phosphorylation of AKT and ERK1/2 molecules. CONCLUSION Some of the anti-HER3 MAbs produced in this study displayed tumor inhibitory function and may be considered promising candidates for future HER3-targeted cancer therapy.
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Affiliation(s)
- Danesh Hassani
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Jeddi-Tehrani
- Monoclonal Antibody Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Parisa Yousefi
- Monoclonal Antibody Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Samaneh Mansouri-Fard
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Mobini
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hengameh Ahmadi-Zare
- Monoclonal Antibody Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Forough Golsaz-Shirazi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mehdi Amiri
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Fazel Shokri
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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11
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Eliseev IE, Ukrainskaya VM, Yudenko AN, Mikushina AD, Shmakov SV, Afremova AI, Ekimova VM, Vronskaia AA, Knyazev NA, Shamova OV. Targeting ErbB3 Receptor in Cancer with Inhibitory Antibodies from Llama. Biomedicines 2021; 9:biomedicines9091106. [PMID: 34572289 PMCID: PMC8467012 DOI: 10.3390/biomedicines9091106] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 01/05/2023] Open
Abstract
The human ErbB3 receptor confers resistance to the pharmacological inhibition of EGFR and HER2 receptor tyrosine kinases in cancer, which makes it an important therapeutic target. Several anti-ErbB3 monoclonal antibodies that are currently being developed are all classical immunoglobulins. We took a different approach and discovered a group of novel heavy-chain antibodies targeting the extracellular domain of ErbB3 via a phage display of an antibody library from immunized llamas. We first produced three selected single-domain antibodies, named BCD090-P1, BCD090-M2, and BCD090-M456, in E. coli, as SUMO fusions that yielded up to 180 mg of recombinant protein per liter of culture. Then, we studied folding, aggregation, and disulfide bond formation, and showed their ultimate stability with half-denaturation of the strongest candidate, BCD090-P1, occurring in 8 M of urea. In surface plasmon resonance experiments, two most potent antibodies, BCD090-P1 and BCD090-M2, bound the extracellular domain of ErbB3 with 1.6 nM and 15 nM affinities for the monovalent interaction, respectively. The receptor binding was demonstrated by immunofluorescent confocal microscopy on four different ErbB3+ cancer cell lines. We observed that BCD090-P1 and BCD090-M2 bind noncompetitively to two distinct epitopes on the receptor. Both antibodies inhibited the ErbB3-driven proliferation of MCF-7 breast adenocarcinoma cells and HER2-overexpressing SK-BR-3 cells, with the EC50 in the range of 0.1–25 μg/mL. BCD090-M2 directly blocks ligand binding, whereas BCD090-P1 does not compete with the ligand and presumably acts through a distinct allosteric mechanism. We anticipate that these llama antibodies can be used to engineer new biparatopic anti-ErbB3 or bispecific anti-ErbB2/3 antibodies.
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Affiliation(s)
- Igor E. Eliseev
- Laboratory of Renewable Energy Sources, Alferov University, St. Petersburg 194021, Russia; (A.D.M.); (S.V.S.); (A.A.V.)
- Center for Personalized Medicine, FSBSI Institute of Experimental Medicine, St. Petersburg 197376, Russia;
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia;
- Correspondence:
| | - Valeria M. Ukrainskaya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia;
| | - Anna N. Yudenko
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia;
| | - Anna D. Mikushina
- Laboratory of Renewable Energy Sources, Alferov University, St. Petersburg 194021, Russia; (A.D.M.); (S.V.S.); (A.A.V.)
| | - Stanislav V. Shmakov
- Laboratory of Renewable Energy Sources, Alferov University, St. Petersburg 194021, Russia; (A.D.M.); (S.V.S.); (A.A.V.)
| | | | | | - Anna A. Vronskaia
- Laboratory of Renewable Energy Sources, Alferov University, St. Petersburg 194021, Russia; (A.D.M.); (S.V.S.); (A.A.V.)
| | - Nickolay A. Knyazev
- Saint-Petersburg Clinical Scientific and Practical Center for Specialized Types of Medical Care (Oncological), St. Petersburg 197758, Russia;
| | - Olga V. Shamova
- Center for Personalized Medicine, FSBSI Institute of Experimental Medicine, St. Petersburg 197376, Russia;
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12
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Jhaveri K, Drago JZ, Shah PD, Wang R, Pareja F, Ratzon F, Iasonos A, Patil S, Rosen N, Fornier MN, Sklarin NT, Chandarlapaty S, Modi S. A Phase I Study of Alpelisib in Combination with Trastuzumab and LJM716 in Patients with PIK3CA-Mutated HER2-Positive Metastatic Breast Cancer. Clin Cancer Res 2021; 27:3867-3875. [PMID: 33947692 PMCID: PMC8282678 DOI: 10.1158/1078-0432.ccr-21-0047] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/05/2021] [Accepted: 04/29/2021] [Indexed: 02/06/2023]
Abstract
PURPOSE Activating mutations in PIK3CA promote resistance to HER2-targeted therapy in breast cancer; however, inhibition of PI3K alone leads to escape via feedback upregulation of HER3. Combined inhibition of HER2, HER3, and PI3K overcomes this mechanism preclinically. PATIENTS AND METHODS This phase I study investigated the MTD of alpelisib given in combination with trastuzumab and LJM716 (a HER3-targeted antibody) in patients with PIK3CA-mutant HER2-positive (HER2+) metastatic breast cancer (MBC) using the continual reassessment method. Secondary analyses included efficacy and exploratory correlative studies. RESULTS Ten patients were treated initially with daily alpelisib (arm A). Grade ≥3 adverse events seen in ≥2 patients included diarrhea (n = 6), hypokalemia (n = 3), abnormal liver enzymes (n = 3), hyperglycemia (n = 2), mucositis (n = 2), and elevated lipase (n = 2). The MTD of alpelisib in arm A was 250 mg daily. This prompted the opening of arm B in which 11 patients received intermittently dosed alpelisib. Grade ≥3 adverse events seen in ≥2 patients included diarrhea (n = 5), hypokalemia (n = 3), and hypomagnesemia (n = 2). The MTD of alpelisib in arm B was 350 mg given 4 days on, 3 days off. Among 17 patients assessed, 1 had a partial response, 14 had stable disease, and 2 had disease progression at best response. Five patients had stable disease for >30 weeks. mRNA profiling of pre- and on-treatment tissue demonstrated PIK3CA target engagement by alpelisib via induction of downstream signaling and feedback pathways. CONCLUSIONS Combination treatment with alpelisib, trastuzumab, and LJM716 was limited by gastrointestinal toxicity. Further efforts are warranted to target the PI3K pathway in HER2+ MBC.
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Affiliation(s)
- Komal Jhaveri
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Joshua Z Drago
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Payal Deepak Shah
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Rui Wang
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Fresia Pareja
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Fanni Ratzon
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Alexia Iasonos
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sujata Patil
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Neal Rosen
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | | | | | - Shanu Modi
- Memorial Sloan Kettering Cancer Center, New York, New York.
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13
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Radom F, Vonrhein C, Mittl PRE, Plückthun A. Crystal structures of HER3 extracellular domain 4 in complex with the designed ankyrin-repeat protein D5. Acta Crystallogr F Struct Biol Commun 2021; 77:192-201. [PMID: 34196609 PMCID: PMC8248824 DOI: 10.1107/s2053230x21006002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 06/09/2021] [Indexed: 11/10/2022] Open
Abstract
The members of the human epidermal growth factor receptor (HER) family are among the most intensely studied oncological targets. HER3 (ErbB3), which had long been neglected, has emerged as a key oncogene, regulating the activity of other receptors and being involved in progression and tumor escape in multiple types of cancer. Designed ankyrin-repeat proteins (DARPins) serve as antibody mimetics that have proven to be useful in the clinic, in diagnostics and in research. DARPins have previously been selected against EGFR (HER1), HER2 and HER4. In particular, their combination into bivalent binders that separate or lock receptors in their inactive conformation has proved to be a promising strategy for the design of potent anticancer therapeutics. Here, the selection of DARPins targeting extracellular domain 4 of HER3 (HER3d4) is described. One of the selected DARPins, D5, in complex with HER3d4 crystallized in two closely related crystal forms that diffracted to 2.3 and 2.0 Å resolution, respectively. The DARPin D5 epitope comprises HER3d4 residues 568-577. These residues also contribute to interactions within the tethered (inactive) and extended (active) conformations of the extracellular domain of HER3.
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Affiliation(s)
- Filip Radom
- Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Clemens Vonrhein
- Global Phasing Ltd, Sheraton House, Castle Park, Cambridge CB3 0AX, United Kingdom
| | - Peer R. E. Mittl
- Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Andreas Plückthun
- Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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14
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Kast F, Schwill M, Stüber JC, Pfundstein S, Nagy-Davidescu G, Rodríguez JMM, Seehusen F, Richter CP, Honegger A, Hartmann KP, Weber TG, Kroener F, Ernst P, Piehler J, Plückthun A. Engineering an anti-HER2 biparatopic antibody with a multimodal mechanism of action. Nat Commun 2021; 12:3790. [PMID: 34145240 PMCID: PMC8213836 DOI: 10.1038/s41467-021-23948-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 05/25/2021] [Indexed: 02/07/2023] Open
Abstract
The receptor tyrosine kinase HER2 acts as oncogenic driver in numerous cancers. Usually, the gene is amplified, resulting in receptor overexpression, massively increased signaling and unchecked proliferation. However, tumors become frequently addicted to oncogenes and hence are druggable by targeted interventions. Here, we design an anti-HER2 biparatopic and tetravalent IgG fusion with a multimodal mechanism of action. The molecule first induces HER2 clustering into inactive complexes, evidenced by reduced mobility of surface HER2. However, in contrast to our earlier binders based on DARPins, clusters of HER2 are thereafter robustly internalized and quantitatively degraded. This multimodal mechanism of action is found only in few of the tetravalent constructs investigated, which must target specific epitopes on HER2 in a defined geometric arrangement. The inhibitory effect of our antibody as single agent surpasses the combination of trastuzumab and pertuzumab as well as its parental mAbs in vitro and it is effective in a xenograft model.
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Affiliation(s)
- Florian Kast
- Department of Biochemistry, University of Zurich, Zurich, Switzerland
| | - Martin Schwill
- Department of Biochemistry, University of Zurich, Zurich, Switzerland
- TOLREMO therapeutics AG, Muttenz, Switzerland
| | - Jakob C Stüber
- Department of Biochemistry, University of Zurich, Zurich, Switzerland
- Roche Innovation Center Munich, Penzberg, Germany
| | - Svende Pfundstein
- Department of Biochemistry, University of Zurich, Zurich, Switzerland
- Zurich Integrative Rodent Physiology (ZIRP), University of Zurich, Zurich, Switzerland
| | | | - Josep M Monné Rodríguez
- Laboratory for Animal Model Pathology, Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Frauke Seehusen
- Laboratory for Animal Model Pathology, Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Christian P Richter
- Department of Biology/Chemistry and Center for Cellular Nanoanalytics, Osnabrück University, Osnabrück, Germany
| | | | | | | | | | - Patrick Ernst
- Department of Biochemistry, University of Zurich, Zurich, Switzerland
- Dean's Office and Coordination Office of the Academic Medicine Zurich, University of Zurich, Zurich, Switzerland
| | - Jacob Piehler
- Department of Biology/Chemistry and Center for Cellular Nanoanalytics, Osnabrück University, Osnabrück, Germany
| | - Andreas Plückthun
- Department of Biochemistry, University of Zurich, Zurich, Switzerland.
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15
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Xu L, Zhou Z, Gou X, Shi W, Gong Y, Yi M, Cheng W, Song F. Light up multiple protein dimers on cell surface based on proximity-induced fluorescence activation of DNA-templated sliver nanoclusters. Biosens Bioelectron 2021; 179:113064. [DOI: 10.1016/j.bios.2021.113064] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/27/2021] [Accepted: 01/31/2021] [Indexed: 02/07/2023]
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16
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Hong M, Yoo Y, Kim M, Kim JY, Cha JS, Choi MK, Kim U, Kim K, Sohn Y, Bae D, Cho HS, Hong SB. A Novel Therapeutic Anti-ErbB3, ISU104 Exhibits Potent Antitumorigenic Activity by Inhibiting Ligand Binding and ErbB3 Heterodimerization. Mol Cancer Ther 2021; 20:1142-1152. [PMID: 33782100 DOI: 10.1158/1535-7163.mct-20-0907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 01/28/2021] [Accepted: 03/22/2021] [Indexed: 11/16/2022]
Abstract
ErbB3, a member of the ErbB receptor family, is a potent mediator in the development and progression of cancer, and its activation plays pivotal roles in acquired resistance against anti-EGFR therapies and other standard-of-care therapies. Upon ligand (NRG1) binding, ErbB3 forms heterodimers with other ErbB proteins (i.e., EGFR and ErbB2), which allows activation of downstream PI3K/Akt signaling. In this study, we developed a fully human anti-ErbB3 antibody, named ISU104, as an anticancer agent. ISU104 binds potently and specifically to the domain 3 of ErbB3. The complex structure of ErbB3-domain 3::ISU104-Fab revealed that ISU104 binds to the NRG1 binding region of domain 3. The elucidated structure suggested that the binding of ISU104 to ErbB3 would hinder not only ligand binding but also the structural changes required for heterodimerization. Biochemical studies confirmed these predictions. ISU104 inhibited ligand binding, ligand-dependent heterodimerization and phosphorylation, and induced the internalization of ErbB3. As a result, downstream Akt phosphorylation and cell proliferation were inhibited. The anticancer efficacy of ISU104 was demonstrated in xenograft models of various cancers. In summary, a highly potent ErbB3 targeting antibody, ISU104, is suitable for clinical development.
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Affiliation(s)
- Mirim Hong
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South)
| | - Youngki Yoo
- Department of Systems Biology, Yonsei University, Seoul, Republic of Korea (South)
| | - Miyoung Kim
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South)
| | - Ju Yeon Kim
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South)
| | - Jeong Seok Cha
- Department of Systems Biology, Yonsei University, Seoul, Republic of Korea (South)
| | - Myung Kyung Choi
- Department of Systems Biology, Yonsei University, Seoul, Republic of Korea (South)
| | - Uijin Kim
- Department of Systems Biology, Yonsei University, Seoul, Republic of Korea (South)
| | - Kyungyong Kim
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South)
| | - Youngsoo Sohn
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South)
| | - Donggoo Bae
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South)
| | - Hyun-Soo Cho
- Department of Systems Biology, Yonsei University, Seoul, Republic of Korea (South).
| | - Seung-Beom Hong
- Research Institute, ISU ABXIS Co., Ltd., Sungnam-si, Republic of Korea (South).
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17
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Haikala HM, Jänne PA. Thirty Years of HER3: From Basic Biology to Therapeutic Interventions. Clin Cancer Res 2021; 27:3528-3539. [PMID: 33608318 DOI: 10.1158/1078-0432.ccr-20-4465] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 01/13/2021] [Accepted: 02/03/2021] [Indexed: 12/12/2022]
Abstract
HER3 is a pseudokinase member of the EGFR family having a role in both tumor progression and drug resistance. Although HER3 was discovered more than 30 years ago, no therapeutic interventions have reached clinical approval to date. Because the evidence of the importance of HER3 is accumulating, increased amounts of preclinical and clinical trials with HER3-targeting agents are emerging. In this review article, we discuss the most recent HER3 biology in tumorigenic events and drug resistance and provide an overview of the current and emerging strategies to target HER3.
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Affiliation(s)
- Heidi M Haikala
- Lowe Center for Thoracic Oncology, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Pasi A Jänne
- Lowe Center for Thoracic Oncology, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.
- Harvard Medical School, Boston, Massachusetts
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18
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Laskin J, Liu SV, Tolba K, Heining C, Schlenk RF, Cheema P, Cadranel J, Jones MR, Drilon A, Cseh A, Gyorffy S, Solca F, Duruisseaux M. NRG1 fusion-driven tumors: biology, detection, and the therapeutic role of afatinib and other ErbB-targeting agents. Ann Oncol 2020; 31:1693-1703. [PMID: 32916265 DOI: 10.1016/j.annonc.2020.08.2335] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/03/2020] [Accepted: 08/31/2020] [Indexed: 10/23/2022] Open
Abstract
Oncogenic gene fusions are hybrid genes that result from structural DNA rearrangements, leading to deregulated activity. Fusions involving the neuregulin-1 gene (NRG1) result in ErbB-mediated pathway activation and therefore present a rational candidate for targeted treatment. The most frequently reported NRG1 fusion is CD74-NRG1, which most commonly occurs in patients with invasive mucinous adenocarcinomas (IMAs) of the lung, although several other NRG1 fusion partners have been identified in patients with lung cancer, including ATP1B1, SDC4, and RBPMS. NRG1 fusions are also present in patients with other solid tumors, such as pancreatic ductal adenocarcinoma. In general, NRG1 fusions are rare across different types of cancer, with a reported incidence of <1%, with the notable exception of IMA, which represents ≈2%-10% of lung adenocarcinomas and has a reported incidence of ≈10%-30% for NRG1 fusions. A substantial proportion (≈20%) of NRG1 fusion-positive non-small-cell lung cancer cases are nonmucinous adenocarcinomas. ErbB-targeted treatments, such as afatinib, a pan-ErbB tyrosine kinase inhibitor, are potential therapeutic strategies to address unmet treatment needs in patients harboring NRG1 fusions.
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Affiliation(s)
- J Laskin
- Division of Medical Oncology, Department of Medicine, University of British Columbia, BC Cancer, Vancouver, BC, Canada.
| | - S V Liu
- Georgetown University Medical Center, Washington, USA
| | - K Tolba
- Oregon Health and Science University, Portland, OR, USA
| | - C Heining
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Dresden and German Cancer Research Center (DKFZ), Dresden, Germany; Center for Personalized Oncology, NCT Dresden and University Hospital Carl Gustav Carus Dresden at Technical University Dresden, Dresden, Germany; German Cancer Consortium (DKTK), Dresden, Germany
| | - R F Schlenk
- National Center of Tumor Diseases Heidelberg, Heidelberg University Hospital and German Cancer Research Center, Heidelberg, Germany
| | - P Cheema
- William Osler Health System, University of Toronto, Toronto, ON, Canada
| | - J Cadranel
- Assistance Publique Hôpitaux de Paris, Hôpital Tenon and Sorbonne Université, Paris, France
| | - M R Jones
- QIAGEN Digital Insights, QIAGEN Inc., Redwood City, CA, USA
| | - A Drilon
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - A Cseh
- Boehringer Ingelheim International GmbH, Ingelheim, Germany
| | - S Gyorffy
- AstraZeneca Canada Ltd, Mississauga, ON, Canada
| | - F Solca
- Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - M Duruisseaux
- Hospices Civils de Lyon Cancer Institute, Anticancer Antibodies Lab Cancer Research Center of Lyon INSERM 1052 CNRS 528, Université Claude Bernard Lyon 1, Lyon, France
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19
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Alfaleh MA, Alsaab HO, Mahmoud AB, Alkayyal AA, Jones ML, Mahler SM, Hashem AM. Phage Display Derived Monoclonal Antibodies: From Bench to Bedside. Front Immunol 2020; 11:1986. [PMID: 32983137 PMCID: PMC7485114 DOI: 10.3389/fimmu.2020.01986] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/23/2020] [Indexed: 12/12/2022] Open
Abstract
Monoclonal antibodies (mAbs) have become one of the most important classes of biopharmaceutical products, and they continue to dominate the universe of biopharmaceutical markets in terms of approval and sales. They are the most profitable single product class, where they represent six of the top ten selling drugs. At the beginning of the 1990s, an in vitro antibody selection technology known as antibody phage display was developed by John McCafferty and Sir. Gregory Winter that enabled the discovery of human antibodies for diverse applications, particularly antibody-based drugs. They created combinatorial antibody libraries on filamentous phage to be utilized for generating antigen specific antibodies in a matter of weeks. Since then, more than 70 phage–derived antibodies entered clinical studies and 14 of them have been approved. These antibodies are indicated for cancer, and non-cancer medical conditions, such as inflammatory, optical, infectious, or immunological diseases. This review will illustrate the utility of phage display as a powerful platform for therapeutic antibodies discovery and describe in detail all the approved mAbs derived from phage display.
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Affiliation(s)
- Mohamed A Alfaleh
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia.,Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hashem O Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Ahmad Bakur Mahmoud
- College of Applied Medical Sciences, Taibah University, Medina, Saudi Arabia
| | - Almohanad A Alkayyal
- Department of Medical Laboratory Technology, University of Tabuk, Tabuk, Saudi Arabia
| | - Martina L Jones
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia.,Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Stephen M Mahler
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia.,Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Anwar M Hashem
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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20
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Zhu L, Yuan P, Zhao Z, Wang X, Wang G, Yan L. [Bacterial expression of 183-227aa region of HER3 extracellular domain I and preparation and identification of its polyclonal antibodies]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2020; 40:806-813. [PMID: 32895213 DOI: 10.12122/j.issn.1673-4254.2020.06.06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To prepare the recombinant peptide MVF-HER3 I composed of the 183-227aa peptide segment of human epidermal growth factor receptor 3 (HER3 I) and the measles virus protein 288-302 peptide segment (MVF), and prepare polyclonal antibodies (PcAb) against this recombinant peptide. METHODS The MVF-HER3 I gene was synthesized chemically and subcloned into pET21b or pET32a plasmid containing Thioredoxin (Trx) tag gene. The recombinant plasmids were identified by endonuclease digestion. MVF-HER3 I was expressed in E.coli BL21(DE3) cells under an optimal bacterial expression condition. The fusion protein Trx-MVF-HER3 I was purified using nickel ion affinity chromatography, and the purified protein was digested by enterokinase to remove Trx tag. The digested mixture underwent further nickel ion affinity chromatography to obtain purified MVF-HER3 I. The purified MVF-HER3 I was used to immunize SD rats subcutaneously for preparing anti-MVF-HER3 I PcAb. The titer of PcAb was determined using ELISA. The bindings of anti-MVF-HER3 I PcAb to MVF-HER3 I, native HER3 and MCF7 cells were analyzed using immunoblotting, immunoprecipitation and laser confocal microscopy. The growth inhibition effect of the antibodies on MCF7 cells cultured in the absence or presence of NRG was assessed using sulforhodamine B. RESULTS The recombinant peptide gene could not be expressed alone, but could be efficiently expressed after fusion with Trx gene under optimized conditions. The fusion peptide MVF-HER3 I was successfully prepared from Trx-MVF-HER3 I. The anti-MVF-HER3 I PcAb, with a titer reaching 1: 512 000, specifically bound to MVF-HER3 I, recognized native HER3 and bound to the membrane of MCF7 cells. The obtained PcAb could dose-dependently inhibit the growth of MCF7 cells irrespective of the presence or absence of NRG. CONCLUSIONS We successfully obtained the recombinant peptide MVF-HER3 I and prepared its PcAb, which can facilitate further functional analysis of HER3 signaling pathway.
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Affiliation(s)
- Lei Zhu
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Wuhu 241002, China.,Drug Research & Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Province Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China.,Research Institute for Pharmaceutical Screening & Evaluation, Wannan Medical College, Wuhu 241002, China
| | - Pingchuan Yuan
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Wuhu 241002, China.,Drug Research & Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Province Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
| | - Zhigang Zhao
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Wuhu 241002, China.,Drug Research & Development Center, Wannan Medical College, Wuhu 241002, China
| | - Xin Wang
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Wuhu 241002, China.,Drug Research & Development Center, Wannan Medical College, Wuhu 241002, China
| | - Guodong Wang
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Wuhu 241002, China.,Drug Research & Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Province Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
| | - Liang Yan
- Anhui Province Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
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21
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Abstract
Pseudokinases are members of the protein kinase superfamily but signal primarily through noncatalytic mechanisms. Many pseudokinases contribute to the pathologies of human diseases, yet they remain largely unexplored as drug targets owing to challenges associated with modulation of their biological functions. Our understanding of the structure and physiological roles of pseudokinases has improved substantially over the past decade, revealing intriguing similarities between pseudokinases and their catalytically active counterparts. Pseudokinases often adopt conformations that are analogous to those seen in catalytically active kinases and, in some cases, can also bind metal cations and/or nucleotides. Several clinically approved kinase inhibitors have been shown to influence the noncatalytic functions of active kinases, providing hope that similar properties in pseudokinases could be pharmacologically regulated. In this Review, we discuss known roles of pseudokinases in disease, their unique structural features and the progress that has been made towards developing pseudokinase-directed therapeutics.
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22
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Thakkar D, Sancenon V, Taguiam MM, Guan S, Wu Z, Ng E, Paszkiewicz KH, Ingram PJ, Boyd-Kirkup JD. 10D1F, an Anti-HER3 Antibody that Uniquely Blocks the Receptor Heterodimerization Interface, Potently Inhibits Tumor Growth Across a Broad Panel of Tumor Models. Mol Cancer Ther 2020; 19:490-501. [PMID: 31911530 DOI: 10.1158/1535-7163.mct-19-0515] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 08/15/2019] [Accepted: 10/10/2019] [Indexed: 11/16/2022]
Abstract
In recent years, HER3 has increasingly been implicated in the progression of a variety of tumor types and in acquired resistance to EGFR and HER2 therapies. Whereas EGFR and HER2 primarily signal through the MAPK pathway, HER3, as a heterodimer with EGFR or HER2, potently activates the PI3K pathway. Despite its critical role, previous attempts to target HER3 with neutralizing antibodies have shown disappointing efficacy in the clinic, most likely due to suboptimal and indirect mechanisms of action that fail to completely block heterodimerization; for example, tumors can escape inhibition of ligand binding by upregulating ligand-independent mechanisms of HER3 activation. We therefore developed 10D1F, a picomolar affinity, highly specific anti-HER3 neutralizing antibody that binds the HER3 heterodimerization interface, a region that was hitherto challenging to raise antibodies against. We demonstrate that 10D1F potently inhibits both EGFR:HER3 and HER2:HER3 heterodimerization to durably suppress activation of the PI3K pathway in a broad panel of tumor models. Even as a monotherapy, 10D1F shows superior inhibition of tumor growth in the same cell lines both in vitro and in mouse xenograft experiments, when compared with other classes of anti-HER3 antibodies. This includes models demonstrating ligand-independent activation of heterodimerization as well as constitutively activating mutations in the MAPK pathway. Possessing favorable pharmacokinetic and toxicologic profiles, 10D1F uniquely represents a new class of anti-HER3 neutralizing antibodies with a novel mechanism of action that offers significant potential for broad clinical benefit.10D1F is a novel anti-HER3 antibody that uniquely binds the receptor dimerization interface to block ligand-dependent and independent heterodimerization with EGFR/HER2 and thus more potently inhibits tumor growth than existing anti-HER3 antibodies.
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Affiliation(s)
| | | | | | - Siyu Guan
- Hummingbird Bioscience, 1 Research Link, Singapore
| | - Zhihao Wu
- Hummingbird Bioscience, 1 Research Link, Singapore
| | - Eric Ng
- Hummingbird Bioscience, 1 Research Link, Singapore
| | | | - Piers J Ingram
- Hummingbird Bioscience, 1 Research Link, Singapore.,Hummingbird Bioscience, South San Francisco, California
| | - Jerome D Boyd-Kirkup
- Hummingbird Bioscience, 1 Research Link, Singapore. .,Hummingbird Bioscience, South San Francisco, California
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23
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Alfaleh MA, Alsaab HO, Mahmoud AB, Alkayyal AA, Jones ML, Mahler SM, Hashem AM. Phage Display Derived Monoclonal Antibodies: From Bench to Bedside. Front Immunol 2020. [PMID: 32983137 DOI: 10.3389/fimmu.2020.01986/bibtex] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
Monoclonal antibodies (mAbs) have become one of the most important classes of biopharmaceutical products, and they continue to dominate the universe of biopharmaceutical markets in terms of approval and sales. They are the most profitable single product class, where they represent six of the top ten selling drugs. At the beginning of the 1990s, an in vitro antibody selection technology known as antibody phage display was developed by John McCafferty and Sir. Gregory Winter that enabled the discovery of human antibodies for diverse applications, particularly antibody-based drugs. They created combinatorial antibody libraries on filamentous phage to be utilized for generating antigen specific antibodies in a matter of weeks. Since then, more than 70 phage-derived antibodies entered clinical studies and 14 of them have been approved. These antibodies are indicated for cancer, and non-cancer medical conditions, such as inflammatory, optical, infectious, or immunological diseases. This review will illustrate the utility of phage display as a powerful platform for therapeutic antibodies discovery and describe in detail all the approved mAbs derived from phage display.
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Affiliation(s)
- Mohamed A Alfaleh
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hashem O Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Ahmad Bakur Mahmoud
- College of Applied Medical Sciences, Taibah University, Medina, Saudi Arabia
| | - Almohanad A Alkayyal
- Department of Medical Laboratory Technology, University of Tabuk, Tabuk, Saudi Arabia
| | - Martina L Jones
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia
- Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Stephen M Mahler
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia
- Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Anwar M Hashem
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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24
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Lee L, Ramos-Alvarez I, Moody TW, Mantey SA, Jensen RT. Neuropeptide bombesin receptor activation stimulates growth of lung cancer cells through HER3 with a MAPK-dependent mechanism. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1867:118625. [PMID: 31862538 DOI: 10.1016/j.bbamcr.2019.118625] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/15/2019] [Accepted: 12/14/2019] [Indexed: 01/28/2023]
Abstract
Despite recent advances in treatment of non-small cell lung cancer (NSCLC), prognosis still remains poor and new therapeutic approaches are needed. Studies demonstrate the importance of the EGFR/HER-receptor family in NSCLC growth, as well as that of other tumors. Recently, HER3 is receiving increased attention because of its role in drug resistance and aggressive growth. Activation of overexpressed G-protein-coupled receptors (GPCR) can also initiate growth by transactivating EGFR/HER-family members. GPCR transactivation of EGFR has been extensively studied, but little is known of its ability to transactivate other EGFR/HER-members, especially HER3. To address this, we studied the ability of bombesin receptor (BnR) activation to transactivate all EGFR/HER-family members and their principal downstream signaling cascades, the PI3K/Akt- and MAPK/ERK-pathways, in human NSCLC cell-lines. In all three cell-lines studied, which possessed EGFR, HER2 and HER3, Bn rapidly transactivated EGFR, HER2 and HER3, as well as Akt and ERK. Immunoprecipitation studies revealed Bn-induced formation of both HER3/EGFR- and HER3/HER2-heterodimers. Specific EGFR/HER3 antibodies or siRNA-knockdown of EGFR and HER3, demonstrated Bn-stimulated activation of EGFR/HER members is initially through HER3, not EGFR. In addition, specific inhibition of HER3, HER2 or MAPK, abolished Bn-stimulated cell-growth, while neither EGFR nor Akt inhibition had an effect. These results show HER3 transactivation mediates all growth effects of BnR activation through MAPK. These results raise the possibility that targeting HER3 alone or with GPCR activation and its signal cascades, may be a novel therapeutic approach in NSCLC. This is especially relevant with the recent development of HER3-blocking antibodies.
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Affiliation(s)
- Lingaku Lee
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Irene Ramos-Alvarez
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Terry W Moody
- Department of Health and Human Services, National Cancer Institute, Center for Cancer Research, Office of the Director, Bethesda, MD 20892, USA
| | - Samuel A Mantey
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Robert T Jensen
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA.
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25
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Amplified fluorescence imaging of HER2 dimerization on cancer cells by using a co-localization triggered DNA nanoassembly. Mikrochim Acta 2019; 186:439. [PMID: 31197538 DOI: 10.1007/s00604-019-3549-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 05/24/2019] [Indexed: 12/18/2022]
Abstract
Convenient and sensitive detection of human epidermal growth factor receptor 2 (HER2) dimerization is highly desirable for molecule subtyping and guiding personalized HER2 targeted therapy of breast cancer. A colocalization-triggered DNA nanoassembly (CtDNA) strategy was developed for amplified imaging of HER2 dimerization. It exploits (a) the advantage of the specificity of aptamer proximity hybridization, and (b) the high sensitivity of hairpin-free nonlinear HCR. The mechanism of step-by-step hairpin-free nonlinear HCR for DNA dendritic nanoassembly was studied by native polyacrylamide gel electrophoresis, atomic force microscopy and fluorometry. The results revealed a high specificity, sensitivity, and excellent controllability of the DNA dendritic nanoassembly. The method was used to identify HER2 homodimers and HER2/HER3 heterodimers in various breast cancer cell lines using fluorescence microscopy. It was then extended to image and quantitatively evaluate HER2 homodimers in clinical formalin-fixed paraffin-embedded breast cancer tissue specimens. This revealed its remarkable accuracy and practicality for clinical diagnostics. Graphical abstract Schematic presentation of amplified imaging of human epidermal growth factor receptor 2 (HER2) dimerization on cancer cell surfaces by using a co-localization triggered DNA nanoassembly (CtDNA).
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26
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Iyer P, Shrikhande SV, Ranjan M, Joshi A, Gardi N, Prasad R, Dharavath B, Thorat R, Salunkhe S, Sahoo B, Chandrani P, Kore H, Mohanty B, Chaudhari V, Choughule A, Kawle D, Chaudhari P, Ingle A, Banavali S, Gera P, Ramadwar MR, Prabhash K, Barreto SG, Dutt S, Dutt A. ERBB2 and KRAS alterations mediate response to EGFR inhibitors in early stage gallbladder cancer. Int J Cancer 2019; 144:2008-2019. [PMID: 30304546 PMCID: PMC6378102 DOI: 10.1002/ijc.31916] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 09/27/2018] [Indexed: 02/05/2023]
Abstract
The uncommonness of gallbladder cancer in the developed world has contributed to the generally poor understanding of the disease. Our integrated analysis of whole exome sequencing, copy number alterations, immunohistochemical, and phospho-proteome array profiling indicates ERBB2 alterations in 40% early-stage rare gallbladder tumors, among an ethnically distinct population not studied before, that occurs through overexpression in 24% (n = 25) and recurrent mutations in 14% tumors (n = 44); along with co-occurring KRAS mutation in 7% tumors (n = 44). We demonstrate that ERBB2 heterodimerizes with EGFR to constitutively activate the ErbB signaling pathway in gallbladder cells. Consistent with this, treatment with ERBB2-specific, EGFR-specific shRNA or with a covalent EGFR family inhibitor Afatinib inhibits tumor-associated characteristics of the gallbladder cancer cells. Furthermore, we observe an in vivo reduction in tumor size of gallbladder xenografts in response to Afatinib is paralleled by a reduction in the amounts of phospho-ERK, in tumors harboring KRAS (G13D) mutation but not in KRAS (G12V) mutation, supporting an essential role of the ErbB pathway. In overall, besides implicating ERBB2 as an important therapeutic target under neo-adjuvant or adjuvant settings, we present the first evidence that the presence of KRAS mutations may preclude gallbladder cancer patients to respond to anti-EGFR treatment, similar to a clinical algorithm commonly practiced to opt for anti-EGFR treatment in colorectal cancer.
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Affiliation(s)
- Prajish Iyer
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
| | - Shailesh V. Shrikhande
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
- Department of Gastrointestinal and Hepato‐Pancreato‐Biliary Surgical OncologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Malika Ranjan
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Asim Joshi
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
| | - Nilesh Gardi
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Ratnam Prasad
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Bhasker Dharavath
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
| | - Rahul Thorat
- Laboratory Animal FacilityAdvanced Centre for Treatment, Research and Education in Cancer, Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Sameer Salunkhe
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
- Shilpee laboratoryAdvanced Centre for Treatment Research Education In Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Bikram Sahoo
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Pratik Chandrani
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Hitesh Kore
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Bhabani Mohanty
- Small Animal Imaging facilityAdvanced Centre for Treatment Research Education In Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Vikram Chaudhari
- Department of Gastrointestinal and Hepato‐Pancreato‐Biliary Surgical OncologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Anuradha Choughule
- Department of Medical OncologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Dhananjay Kawle
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Pradip Chaudhari
- Small Animal Imaging facilityAdvanced Centre for Treatment Research Education In Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Arvind Ingle
- Laboratory Animal FacilityAdvanced Centre for Treatment, Research and Education in Cancer, Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Shripad Banavali
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
- Department of Medical OncologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Poonam Gera
- Tissue BiorepositoryAdvanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Mukta R. Ramadwar
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
- Department of PathologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Kumar Prabhash
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
- Department of Medical OncologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Savio George Barreto
- Department of Gastrointestinal and Hepato‐Pancreato‐Biliary Surgical OncologyTata Memorial Centre, Ernest Borges MargMumbaiMaharashtraIndia
| | - Shilpee Dutt
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
- Shilpee laboratoryAdvanced Centre for Treatment Research Education In Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
| | - Amit Dutt
- Integrated Cancer Genomics LaboratoryAdvanced Centre for Treatment Research Education in Cancer (ACTREC), Tata Memorial CentreNavi MumbaiMaharashtraIndia
- Homi Bhabha National InstituteMumbaiMaharashtraIndia
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27
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Xu L, Liu S, Yang T, Shen Y, Zhang Y, Huang L, Zhang L, Ding S, Song F, Cheng W. DNAzyme Catalyzed Tyramide Depositing Reaction for In Situ Imaging of Protein Status on the Cell Surface. Theranostics 2019; 9:1993-2002. [PMID: 31037152 PMCID: PMC6485291 DOI: 10.7150/thno.31943] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 02/13/2019] [Indexed: 12/11/2022] Open
Abstract
Effective characterization of protein biomarkers status on the cell surface has important value in the diagnosis and treatment of diseases. Traditional immunohistochemistry can only assess the protein expression level rather than accurately reflect their interaction and oligomerization, resulting in inevitable problems for personalized therapy. Methods: Herein, we developed a novel DNAzyme-catalyzed tyramide depositing reaction (DCTDR) for in situ amplified imaging of membrane protein status. By using human epidermal growth factor receptor 2 (HER2) as model, the binding of HER2 proteins with specific aptamers induced the formation of activated hemin/G-quadruplex (G4) DNAzyme on the cell surface to catalyze the covalent deposition of fluorescent tyramide on the membrane proteins for fluorescence imaging. Results: The DCTDR-based imaging can conveniently characterize total HER2 expression and HER2 dimerization on the breast cancer cell surface with the application of aptamer-G4 probes and proximity aptamer-split G4 probes, respectively. The designed DCTDR strategy was successfully applied to quantitatively estimate total HER2 expression and HER2 homodimer on clinical breast cancer tissue sections with high specificity and accuracy. Conclusion: The DCTDR strategy provides a simple, pragmatic and enzyme-free toolbox to conveniently and sensitively analyze protein status in clinical samples for improving clinical research, cancer diagnostics and personalized treatment.
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28
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Novoplansky O, Fury M, Prasad M, Yegodayev K, Zorea J, Cohen L, Pelossof R, Cohen L, Katabi N, Cecchi F, Joshua BZ, Popovtzer A, Baselga J, Scaltriti M, Elkabets M. MET activation confers resistance to cetuximab, and prevents HER2 and HER3 upregulation in head and neck cancer. Int J Cancer 2019; 145:748-762. [PMID: 30694565 DOI: 10.1002/ijc.32170] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 12/11/2018] [Accepted: 01/15/2019] [Indexed: 12/20/2022]
Abstract
An understanding of the mechanisms underlying acquired resistance to cetuximab is urgently needed to improve cetuximab efficacy in patients with head and neck squamous cell carcinoma (HNSCC). Here, we present a clinical observation that MET pathway activation constitutes the mechanism of acquired resistance to cetuximab in a patient with HNSCC. Specifically, RNA sequencing and mass spectrometry analysis of cetuximab-sensitive (CetuxSen ) and cetuximab-resistant (CetuxRes ) tumors indicated MET amplification and overexpression in the CetuxRes tumor compared to the CetuxSen lesion. Stimulation of MET in HNSCC cell lines was sufficient to reactivate the MAPK pathway and to confer resistance to cetuximab in vitro and in vivo. In addition to the direct role of MET in reactivation of the MAPK pathway, MET stimulation abrogates the well-known cetuximab-induced compensatory feedback loop of HER2/HER3 expression. Mechanistically, we showed that the overexpression of HER2 and HER3 following cetuximab treatment is mediated by the ETS homologous transcription factor (EHF), and is suppressed by MET/MAPK pathway activation. Collectively, our findings indicate that evaluation of MET and HER2/HER3 in response to cetuximab in HNSCC patients can provide the rationale of successive line of treatment.
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Affiliation(s)
- Ofra Novoplansky
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Matthew Fury
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Manu Prasad
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Ksenia Yegodayev
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Jonathan Zorea
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Limor Cohen
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Raphael Pelossof
- Computational Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Liz Cohen
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Nora Katabi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | | | - Ben-Zion Joshua
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Department of Otolaryngology - Head and Neck Surgery, Soroka University Medical Center, Beer-Sheva, Israel
| | - Aron Popovtzer
- Sackler Faculty of Medicine, Tel-Aviv University, Ramat Aviv, Israel.,The Head and Neck Cancer Radiation Clinic, Institute of Oncology, Davidoff Cancer Center, Rabin Medical Center, Petach Tikva, Israel
| | - Jose Baselga
- Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Maurizio Scaltriti
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Moshe Elkabets
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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29
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Watanabe S, Yonesaka K, Tanizaki J, Nonagase Y, Takegawa N, Haratani K, Kawakami H, Hayashi H, Takeda M, Tsurutani J, Nakagawa K. Targeting of the HER2/HER3 signaling axis overcomes ligand-mediated resistance to trastuzumab in HER2-positive breast cancer. Cancer Med 2019; 8:1258-1268. [PMID: 30701699 PMCID: PMC6434202 DOI: 10.1002/cam4.1995] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/17/2018] [Accepted: 01/08/2019] [Indexed: 12/29/2022] Open
Abstract
HER2‐targeted therapy, especially the anti‐HER2 antibody trastuzumab, is standard for HER2‐positive breast cancer; however, its efficacy is limited in a subpopulation of patients. HER3 ligand (heregulin)‐dependent HER2‐HER3 interactions play a critical role in the evasion of apoptosis and are therefore a target for oncotherapy to treat HER2‐positive breast cancer. The anti‐HER2 antibody pertuzumab and anti‐HER3 antibody patritumab both target this heregulin–HER3‐HER2 complex in different ways. This study examined the anticancer efficacy of dual HER2 and HER3 blockade in trastuzumab‐resistant HER2‐positive breast cancer. HER2‐positive SKBR3 or BT474 cells overexpressing heregulin (SKBR3‐HRG, BT474‐HRG) were used to evaluate the efficacy of trastuzumab, pertuzumab, and patritumab in vitro by performing cell viability, immunoblotting, and clonogenic assays. The effects of these agents were then evaluated in vivo using BT474‐HRG and an intrinsic heregulin‐expressing and HER2‐positive JIMT‐1 xenograft models. SKBR3‐HRG and BT474‐HRG cells lost sensitivity to trastuzumab, which was accompanied by Akt activation. Unexpectedly, trastuzumab in combination with pertuzumab or patritumab also showed limited efficacy toward these cells. In contrast, trastuzumab/pertuzumab/patritumab triple treatment demonstrated potent anticancer efficacy, concomitant with strong repression of Akt. Finally, in heregulin‐expressing BT474‐HRG and JIMT‐1 xenograft models, the addition of pertuzumab and patritumab to trastuzumab also enhanced antitumor efficacy leading to tumor regression. The current study found that triple blockade of HER2 and HER3 using trastuzumab, pertuzumab, and patritumab could overcome resistance to trastuzumab therapy in heregulin‐expressing and HER2‐positive breast cancer, which could be exploited clinically.
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Affiliation(s)
- Satomi Watanabe
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Kimio Yonesaka
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Junko Tanizaki
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Yoshikane Nonagase
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Naoki Takegawa
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Koji Haratani
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Hisato Kawakami
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Hidetoshi Hayashi
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Masayuki Takeda
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
| | - Junji Tsurutani
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan.,Advanced Cancer Translational Research Institute, Showa University, Tokyo, Japan
| | - Kazuhiko Nakagawa
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
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30
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Turowec JP, Lau EWT, Wang X, Brown KR, Fellouse FA, Jawanda KK, Pan J, Moffat J, Sidhu SS. Functional genomic characterization of a synthetic anti-HER3 antibody reveals a role for ubiquitination by RNF41 in the anti-proliferative response. J Biol Chem 2019; 294:1396-1409. [PMID: 30523157 DOI: 10.1074/jbc.ra118.004420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 11/25/2018] [Indexed: 11/06/2022] Open
Abstract
Dysregulation of the ErbB family of receptor tyrosine kinases is involved in the progression of many cancers. Antibodies targeting the dimerization domains of family members EGFR and HER2 are approved cancer therapeutics, but efficacy is restricted to a subset of tumors and resistance often develops in response to treatment. A third family member, HER3, heterodimerizes with both EGFR and HER2 and has also been implicated in cancer. Consequently, there is strong interest in developing antibodies that target HER3, but to date, no therapeutics have been approved. To aid the development of anti-HER3 antibodies as cancer therapeutics, we combined antibody engineering and functional genomics screens to identify putative mechanisms of resistance or synthetic lethality with antibody-mediated anti-proliferative effects. We developed a synthetic antibody called IgG 95, which binds to HER3 and promotes ubiquitination, internalization, and receptor down-regulation. Using an shRNA library targeting enzymes in the ubiquitin proteasome system, we screened for genes that effect response to IgG 95 and uncovered the E3 ubiquitin ligase RNF41 as a driver of IgG 95 anti-proliferative activity. RNF41 has been shown previously to regulate HER3 levels under normal conditions and we now show that it is also responsible for down-regulation of HER3 upon treatment with IgG 95. Moreover, our findings suggest that down-regulation of RNF41 itself may be a mechanism for acquired resistance to treatment with IgG 95 and perhaps other anti-HER3 antibodies. Our work deepens our understanding of HER3 signaling by uncovering the mechanistic basis for the anti-proliferative effects of potential anti-HER3 antibody therapeutics.
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Affiliation(s)
- Jacob P Turowec
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Esther W T Lau
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Xiaowei Wang
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Kevin R Brown
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Frederic A Fellouse
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Kamaldeep K Jawanda
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - James Pan
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Jason Moffat
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada.
| | - Sachdev S Sidhu
- Banting and Best Department of Medical Research and Department of Medical Genetics, The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada.
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31
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El-Sayed A, Bernhard W, Barreto K, Gonzalez C, Hill W, Pastushok L, Fonge H, Geyer CR. Evaluation of antibody fragment properties for near-infrared fluorescence imaging of HER3-positive cancer xenografts. Am J Cancer Res 2018; 8:4856-4869. [PMID: 30279742 PMCID: PMC6160764 DOI: 10.7150/thno.24252] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 07/10/2018] [Indexed: 11/24/2022] Open
Abstract
In vivo imaging is influenced by the half-life, tissue penetration, biodistribution, and affinity of the imaging probe. Immunoglobulin G (IgG) is composed of discrete domains with known functions, providing a template for engineering antibody fragments with desired imaging properties. Here, we engineered antibody-based imaging probes, consisting of different combinations of antibody domains, labeled them with the near-infrared fluorescent dye IRDye800CW, and evaluated their in vivo imaging properties. Antibody-based imaging probes were based on an anti-HER3 antigen binding fragment (Fab) isolated using phage display. Methods: We constructed six anti-HER3 antibody-based imaging probes: a single chain variable fragment (scFv), Fab, diabody, scFv-CH3, scFv-Fc, and IgG. IRDye800CW-labeled, antibody-based probes were injected into nude mice bearing FaDu xenografts and their distribution to the xenograft, liver, and kidneys was evaluated. Results: These imaging probes bound to recombinant HER3 and to the HER3-positive cell line, FaDu. Small antibody fragments with molecular weight <60 kDa (scFv, diabody, and Fab) accumulated rapidly in the xenograft (maximum accumulation between 2-4 h post injection (hpi)) and cleared primarily through the kidneys. scFv-CH3 (80 kDa) had fast clearance and peaked in the xenograft between 2-3 hpi and cleared from xenograft in a rate comparable to Fab and diabody. IgG and scFv-Fc persisted in the xenografts for up to 72 hpi and distributed mainly to the xenograft and liver. The highest xenograft fluorescence signals were observed with IgG and scFv-Fc imaging probes and persisted for 2-3 days. Conclusion: These results highlight the utility of using antibody fragments to optimize clearance, tumor labeling, and biodistribution properties for developing anti-HER3 probes for image-guided surgery or PET imaging.
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Capparelli C, Purwin TJ, Heilman SA, Chervoneva I, McCue PA, Berger AC, Davies MA, Gershenwald JE, Krepler C, Aplin AE. ErbB3 Targeting Enhances the Effects of MEK Inhibitor in Wild-Type BRAF/NRAS Melanoma. Cancer Res 2018; 78:5680-5693. [PMID: 30115691 DOI: 10.1158/0008-5472.can-18-1001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 06/23/2018] [Accepted: 08/02/2018] [Indexed: 12/12/2022]
Abstract
MEK-ERK1/2 signaling is elevated in melanomas that are wild-type for both BRAF and NRAS (WT/WT), but patients are insensitive to MEK inhibitors. Stromal-derived growth factors may mediate resistance to targeted inhibitors, and optimizing the use of targeted inhibitors for patients with WT/WT melanoma is a clinical unmet need. Here, we studied adaptive responses to MEK inhibition in WT/WT cutaneous melanoma. The Cancer Genome Atlas data set and tumor microarray studies of WT/WT melanomas showed that high levels of neuregulin-1 (NRG1) were associated with stromal content and ErbB3 signaling. Of growth factors implicated in resistance to targeted inhibitors, NRG1 was effective at mediating resistance to MEK inhibitors in patient-derived WT/WT melanoma cells. Furthermore, ErbB3/ErbB2 signaling was adaptively upregulated following MEK inhibition. Patient-derived cancer-associated fibroblast studies demonstrated that stromal-derived NRG1 activated ErbB3/ErbB2 signaling and enhanced resistance to a MEK inhibitor. ErbB3- and ErbB2-neutralizing antibodies blocked the protective effects of NRG1 in vitro and cooperated with the MEK inhibitor to delay tumor growth in both cell line and patient-derived xenograft models. These results highlight tumor microenvironment regulation of targeted inhibitor resistance in WT/WT melanoma and provide a rationale for combining MEK inhibitors with anti-ErbB3/ErbB2 antibodies in patients with WT/WT cutaneous melanoma, for whom there are no effective targeted therapy options.Significance: This work suggests a mechanism by which NRG1 regulates the sensitivity of WT NRAS/BRAF melanomas to MEK inhibitors and provides a rationale for combining MEK inhibitors with anti-ErbB2/ErbB3 antibodies in these tumors. Cancer Res; 78(19); 5680-93. ©2018 AACR.
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Affiliation(s)
- Claudia Capparelli
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Timothy J Purwin
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Shea A Heilman
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Inna Chervoneva
- Division of Biostatistics, Department of Pharmacology and Experimental Therapeutics, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Peter A McCue
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Adam C Berger
- Department of Surgery, Division of General Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Michael A Davies
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jeffrey E Gershenwald
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Clemens Krepler
- The Wistar Institute, Molecular and Cellular Oncogenesis Program, Melanoma Research Center, Philadelphia, Pennsylvania
| | - Andrew E Aplin
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, Pennsylvania. .,Sidney Kimmel Cancer Center at Jefferson, Philadelphia, Pennsylvania
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Lyu H, Huang J, He Z, Liu B. Targeting of HER3 with Functional Cooperative miRNAs Enhances Therapeutic Activity in HER2-Overexpressing Breast Cancer Cells. Biol Proced Online 2018; 20:16. [PMID: 30093840 PMCID: PMC6081814 DOI: 10.1186/s12575-018-0081-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 07/23/2018] [Indexed: 02/05/2023] Open
Abstract
Background The HER3 receptor functions as a major cause of drug resistance in cancer treatment. It is believed that therapeutic targeting of HER3 is required to improve patient outcomes. It is not clear whether a novel strategy with two functional cooperative miRNAs would effectively inhibit erbB3 expression and potentiate the anti-proliferative/anti-survival effects of a HER2-targeted therapy (trastuzumab) and chemotherapy (paclitaxel) on HER2-overexpressing breast cancer cells. Results Combination of miR-125a and miR-205, as compared to either miRNA alone, potently inhibited expression of HER3 in HER2-overexpressing breast cancer BT474 cells. Co-expression of the two miRNAs not only reduced the levels of phosphorylated erbB3 (P-erbB3), Akt (P-Akt), and Src (P-Src), it also inhibited cell proliferation and increased cells at G1 phase. A multi-miRNA lentiviral vector - the cluster of miR-125a and miR-205 - was constructed to simultaneously express the two miRNAs in HER2-overexpressing breast cancer cells. Concurrent expression of miR-125a and miR-205 via the miRNA cluster transfection significantly enhanced trastuzumab-mediated growth inhibition and cell cycle G1 arrest in BT474 cells and markedly increased paclitaxel-induced apoptosis in another HER2-overexpressing breast cancer cell line HCC1954. Conclusions Here, we showed that functional cooperative miRNAs effectively suppressed erbB3 expression. This novel approach targeting of HER3 was able to enhance the therapeutic efficacy of trastuzumab and paclitaxel against HER2-overexpressing breast cancer.
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Affiliation(s)
- Hui Lyu
- 1Department of Pathology, School of Medicine, University of Colorado Anschutz Medical Campus, MS-8104, 12801 E. 17th Ave, Aurora, CO 80045 USA
| | - Jingcao Huang
- 2Department of Hematology, Hematologic Research Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan China
| | - Zhimin He
- 3Cancer Research Institute and Affiliated Cancer Hospital, Guangzhou Medical University, Guangzhou, Guangdong China
| | - Bolin Liu
- 1Department of Pathology, School of Medicine, University of Colorado Anschutz Medical Campus, MS-8104, 12801 E. 17th Ave, Aurora, CO 80045 USA
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Jacob W, James I, Hasmann M, Weisser M. Clinical development of HER3-targeting monoclonal antibodies: Perils and progress. Cancer Treat Rev 2018; 68:111-123. [PMID: 29944978 DOI: 10.1016/j.ctrv.2018.06.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 06/14/2018] [Accepted: 06/15/2018] [Indexed: 12/16/2022]
Abstract
The human epidermal growth factor receptor (HER) family consists of four transmembrane receptor tyrosine kinases: epidermal growth factor receptor (EGFR), HER2, HER3, and HER4. They are part of a complex signalling network and stimulate intracellular pathways regulating cell growth and differentiation. So far, monoclonal antibodies (mAbs) and small molecule tyrosine kinase inhibitors targeting EGFR and HER2 have been developed and approved. Recently, focus has turned to HER3 as it may play an important role in resistance to EGFR- and HER2-targeting therapies. HER3-targeting agents have been undergoing clinical evaluation for the last 10 years and currently thirteen mAbs are in phase 1 or 2 clinical studies. Single agent activity has proven to be limited, however, the tolerability was favourable. Thus, combinations of HER3-binding mAbs with other HER-targeting therapies or chemotherapies have been pursued in various solid tumor entities. Data indicate that the HER3-binding ligand heregulin may serve as a response prediction marker for HER3-targeting therapy. Within this review the current status of clinical development of HER3-targeting compounds is described.
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Affiliation(s)
- Wolfgang Jacob
- Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany.
| | - Ian James
- A4P Consulting Ltd, Discovery Park, Sandwich, UK
| | - Max Hasmann
- Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
| | - Martin Weisser
- Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
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Site-Specific Fluorescent Labeling of Antibodies and Diabodies Using SpyTag/SpyCatcher System for In Vivo Optical Imaging. Mol Imaging Biol 2018; 21:54-66. [DOI: 10.1007/s11307-018-1222-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Mishra R, Alanazi S, Yuan L, Solomon T, Thaker TM, Jura N, Garrett JT. Activating HER3 mutations in breast cancer. Oncotarget 2018; 9:27773-27788. [PMID: 29963236 PMCID: PMC6021238 DOI: 10.18632/oncotarget.25576] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 05/19/2018] [Indexed: 12/24/2022] Open
Abstract
Recent studies have highlighted a role of HER3 in ER and HER2-driven breast cancers. We sought to investigate the role of patient-derived HER3 mutations in ER+ and HER2+ breast cancer cells using ectopic expression of HER3 mutants. We found that HER3T355I mutant is activating with increased cell proliferation in ER+ T47D and MCF-7 breast cancer cells lacking HER2 over-expression. Immunoblotting and receptor tyrosine kinase array results indicated that T47D and MCF-7 cells expressing HER3T355I had increased p-HER4 and p-HER1 expression. Our data showed that HER3T355I induced cell proliferation is via HER4/HER1-dependent ERK1/2 and cyclinD1 mediated pathways in ER+ cells. ERα expression is upregulated in ER+ cells expressing HER3T355I mutant. We noted crosstalk between ERα and HER3 in T47D cells. Several HER3 mutants (F94L, G284R, D297Y, T355I, and E1261A) acquired a gain-of-function phenotype in MCF10AHER2 cells and were resistant to lapatinib. These mutants increased HER2-HER3 heterodimerization. Knocking down HER3 from ovarian and colorectal cancers with endogenous HER3 mutations abrogated cancer cell proliferation. Overall, this study provides the first systematic assessment of how mutations in HER3 affect response of ER+ and HER2+ breast cancers to clinically relevant inhibitors and finds that HER3 mutations can be activating independent of HER2 over-expression.
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Affiliation(s)
- Rosalin Mishra
- James L. Winkle College of Pharmacy, University of Ohio, Cincinnati, Ohio, USA
| | - Samar Alanazi
- James L. Winkle College of Pharmacy, University of Ohio, Cincinnati, Ohio, USA
| | - Long Yuan
- James L. Winkle College of Pharmacy, University of Ohio, Cincinnati, Ohio, USA
| | - Thomas Solomon
- James L. Winkle College of Pharmacy, University of Ohio, Cincinnati, Ohio, USA
| | - Tarjani M. Thaker
- Department of Cellular and Molecular Pharmacology, Cardiovascular Research Institute, University of California, San Francisco, California, USA
| | - Natalia Jura
- Department of Cellular and Molecular Pharmacology, Cardiovascular Research Institute, University of California, San Francisco, California, USA
| | - Joan T. Garrett
- James L. Winkle College of Pharmacy, University of Ohio, Cincinnati, Ohio, USA
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Drilon A, Somwar R, Mangatt BP, Edgren H, Desmeules P, Ruusulehto A, Smith RS, Delasos L, Vojnic M, Plodkowski AJ, Sabari J, Ng K, Montecalvo J, Chang J, Tai H, Lockwood WW, Martinez V, Riely GJ, Rudin CM, Kris MG, Arcila ME, Matheny C, Benayed R, Rekhtman N, Ladanyi M, Ganji G. Response to ERBB3-Directed Targeted Therapy in NRG1-Rearranged Cancers. Cancer Discov 2018; 8:686-695. [PMID: 29610121 PMCID: PMC5984717 DOI: 10.1158/2159-8290.cd-17-1004] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 03/07/2018] [Accepted: 03/28/2018] [Indexed: 01/06/2023]
Abstract
NRG1 rearrangements are oncogenic drivers that are enriched in invasive mucinous adenocarcinomas (IMA) of the lung. The oncoprotein binds ERBB3-ERBB2 heterodimers and activates downstream signaling, supporting a therapeutic paradigm of ERBB3/ERBB2 inhibition. As proof of concept, a durable response was achieved with anti-ERBB3 mAb therapy (GSK2849330) in an exceptional responder with an NRG1-rearranged IMA on a phase I trial (NCT01966445). In contrast, response was not achieved with anti-ERBB2 therapy (afatinib) in four patients with NRG1-rearranged IMA (including the index patient post-GSK2849330). Although in vitro data supported the use of either ERBB3 or ERBB2 inhibition, these clinical results were consistent with more profound antitumor activity and downstream signaling inhibition with anti-ERBB3 versus anti-ERBB2 therapy in an NRG1-rearranged patient-derived xenograft model. Analysis of 8,984 and 17,485 tumors in The Cancer Genome Atlas and MSK-IMPACT datasets, respectively, identified NRG1 rearrangements with novel fusion partners in multiple histologies, including breast, head and neck, renal, lung, ovarian, pancreatic, prostate, and uterine cancers.Significance: This series highlights the utility of ERBB3 inhibition as a novel treatment paradigm for NRG1-rearranged cancers. In addition, it provides preliminary evidence that ERBB3 inhibition may be more optimal than ERBB2 inhibition. The identification of NRG1 rearrangements across various solid tumors supports a basket trial approach to drug development. Cancer Discov; 8(6); 686-95. ©2018 AACR.See related commentary by Wilson and Politi, p. 676This article is highlighted in the In This Issue feature, p. 663.
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Affiliation(s)
- Alexander Drilon
- Memorial Sloan Kettering Cancer Center, New York, New York.
- Weill Cornell Medical Center, New York, New York
| | - Romel Somwar
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | | | | | | | - Roger S Smith
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lukas Delasos
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Morana Vojnic
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Joshua Sabari
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kenneth Ng
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Jason Chang
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Huichun Tai
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Victor Martinez
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Gregory J Riely
- Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical Center, New York, New York
| | - Charles M Rudin
- Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical Center, New York, New York
| | - Mark G Kris
- Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical Center, New York, New York
| | - Maria E Arcila
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Ryma Benayed
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Marc Ladanyi
- Memorial Sloan Kettering Cancer Center, New York, New York
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38
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Mishra R, Patel H, Alanazi S, Yuan L, Garrett JT. HER3 signaling and targeted therapy in cancer. Oncol Rev 2018; 12:355. [PMID: 30057690 PMCID: PMC6047885 DOI: 10.4081/oncol.2018.355] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/27/2018] [Indexed: 12/27/2022] Open
Abstract
ERBB family members including epidermal growth factor receptor (EGFR) also known as HER1, ERBB2/HER2/Neu, ERBB3/HER3 and ERBB4/HER4 are aberrantly activated in multiple cancers and hence serve as drug targets and biomarkers in modern precision therapy. The therapeutic potential of HER3 has long been underappreciated, due to impaired kinase activity and relatively low expression in tumors. However, HER3 has received attention in recent years as it is a crucial heterodimeric partner for other EGFR family members and has the potential to regulate EGFR/HER2-mediated resistance. Upregulation of HER3 is associated with several malignancies where it fosters tumor progression via interaction with different receptor tyrosine kinases (RTKs). Studies also implicate HER3 contributing significantly to treatment failure, mostly through the activation of PI3K/AKT, MAPK/ERK and JAK/STAT pathways. Moreover, activating mutations in HER3 have highlighted the role of HER3 as a direct therapeutic target. Therapeutic targeting of HER3 includes abrogating its dimerization partners’ kinase activity using small molecule inhibitors (lapatinib, erlotinib, gefitinib, afatinib, neratinib) or direct targeting of its extracellular domain. In this review, we focus on HER3-mediated signaling, its role in drug resistance and discuss the latest advances to overcome resistance by targeting HER3 using mono- and bispecific antibodies and small molecule inhibitors.
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Affiliation(s)
- Rosalin Mishra
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, USA
| | - Hima Patel
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, USA
| | - Samar Alanazi
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, USA
| | - Long Yuan
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, USA
| | - Joan T Garrett
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, USA
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Geuijen CAW, De Nardis C, Maussang D, Rovers E, Gallenne T, Hendriks LJA, Visser T, Nijhuis R, Logtenberg T, de Kruif J, Gros P, Throsby M. Unbiased Combinatorial Screening Identifies a Bispecific IgG1 that Potently Inhibits HER3 Signaling via HER2-Guided Ligand Blockade. Cancer Cell 2018; 33:922-936.e10. [PMID: 29763625 DOI: 10.1016/j.ccell.2018.04.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 02/26/2018] [Accepted: 04/09/2018] [Indexed: 01/21/2023]
Abstract
HER2-driven cancers require phosphatidylinositide-3 kinase (PI3K)/Akt signaling through HER3 to promote tumor growth and survival. The therapeutic benefit of HER2-targeting agents, which depend on PI3K/Akt inhibition, can be overcome by hyperactivation of the heregulin (HRG)/HER3 pathway. Here we describe an unbiased phenotypic combinatorial screening approach to identify a bispecific immunoglobulin G1 (IgG1) antibody against HER2 and HER3. In tumor models resistant to HER2-targeting agents, the bispecific IgG1 potently inhibits the HRG/HER3 pathway and downstream PI3K/Akt signaling via a "dock & block" mechanism. This bispecific IgG1 is a potentially effective therapy for breast cancer and other tumors with hyperactivated HRG/HER3 signaling.
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MESH Headings
- Animals
- Antibodies, Bispecific/administration & dosage
- Antibodies, Bispecific/pharmacology
- Cell Line, Tumor
- Drug Resistance, Neoplasm/drug effects
- Drug Screening Assays, Antitumor
- Humans
- Immunoglobulin G/administration & dosage
- Immunoglobulin G/pharmacology
- MCF-7 Cells
- Mice
- Models, Molecular
- Neoplasms/drug therapy
- Neoplasms/metabolism
- Phosphatidylinositol 3-Kinases/metabolism
- Protein Binding/drug effects
- Proto-Oncogene Proteins c-akt/metabolism
- Receptor, ErbB-2/antagonists & inhibitors
- Receptor, ErbB-2/chemistry
- Receptor, ErbB-3/chemistry
- Receptor, ErbB-3/metabolism
- Signal Transduction/drug effects
- Xenograft Model Antitumor Assays
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Affiliation(s)
| | - Camilla De Nardis
- Crystal and Structural Chemistry, Bijvoet Center for Biomolecular Research, Department of Chemistry, Faculty of Science, Utrecht University, 3584 Utrecht, the Netherlands
| | | | | | | | | | | | | | | | | | - Piet Gros
- Crystal and Structural Chemistry, Bijvoet Center for Biomolecular Research, Department of Chemistry, Faculty of Science, Utrecht University, 3584 Utrecht, the Netherlands
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40
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Martins CD, Da Pieve C, Burley TA, Smith R, Ciobota DM, Allott L, Harrington KJ, Oyen WJG, Smith G, Kramer-Marek G. HER3-Mediated Resistance to Hsp90 Inhibition Detected in Breast Cancer Xenografts by Affibody-Based PET Imaging. Clin Cancer Res 2018; 24:1853-1865. [PMID: 29437790 PMCID: PMC6296444 DOI: 10.1158/1078-0432.ccr-17-2754] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 12/13/2017] [Accepted: 02/01/2018] [Indexed: 01/08/2023]
Abstract
Purpose: Recent studies have highlighted a role of HER3 in HER2-driven cancers (e.g., breast cancer), implicating the upregulation of the receptor in resistance to HER-targeted therapies and Hsp90 inhibitors (e.g., AUY922). Therefore, we have developed an affibody-based PET radioconjugate that quantitatively assesses HER3 changes induced by Hsp90 inhibition in vivoExperimental Design: ZHER3:8698 affibody molecules were conjugated via the C-terminus cysteine to DFO-maleimide for 89Zr radiolabeling. The probe was characterized in vitro and in vivo in a panel of human breast cell lines and xenograft models with varying HER3 receptor levels. In addition, the radioconjugate was investigated as a tool to monitor the outcome of AUY922, an Hsp90 inhibitor, in an MCF-7 xenograft model.Results: We demonstrated that 89Zr-DFO-ZHER3:8698 can track changes in receptor expression in HER3-positive xenograft models and monitor the outcome of AUY922 treatment. Our in vitro findings showed that MCF-7 cells, which are phenotypically different from BT474, develop resistance to treatment with AUY922 through HER3/IGF-1Rβ-mediated signaling. Of note, the lack of response in vitro due to HER3 recovery was confirmed in vivo using 89Zr-DFO-ZHER3:8698-based imaging. Upon AUY922 treatment, higher radioconjugate uptake was detected in treated MCF-7 xenografts, correlating with an AUY922-induced HER3 upregulation concomitant with an increase in IGF-1Rβ expression.Conclusions: These data underline the potential of HER3-based PET imaging to noninvasively provide information about HER3 expression and to identify patients not responding to targeted therapies due to HER3 recovery. Clin Cancer Res; 24(8); 1853-65. ©2018 AACR.
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Affiliation(s)
- Carlos D Martins
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Chiara Da Pieve
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Thomas A Burley
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Rhodri Smith
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Daniela M Ciobota
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Louis Allott
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Kevin J Harrington
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Wim J G Oyen
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
- Department of Nuclear Medicine, The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Graham Smith
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Gabriela Kramer-Marek
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom.
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Moradi-Kalbolandi S, Hosseinzade A, Salehi M, Merikhian P, Farahmand L. Monoclonal antibody-based therapeutics, targeting the epidermal growth factor receptor family: from herceptin to Pan HER. J Pharm Pharmacol 2018; 70:841-854. [DOI: 10.1111/jphp.12911] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/25/2018] [Indexed: 12/30/2022]
Abstract
Abstract
Objectives
Monoclonal antibody-based of cancer therapy has been considered as one of the most successful therapeutic strategies for both haematologic malignancies and solid tumours in the last two decades. Epidermal growth factor receptor (EGFR) family signalling pathways play a key role in the regulation of cell proliferation, survival and differentiation. Hence, anti-EGFR family mAbs is one of the most promising approaches in cancer therapy.
Key findings
Here, recent advances in anti-EGFR mAb including approved or successfully tested in preclinical and clinical studies have been reviewed. Although we focus on monoclonal antibodies against the EGF receptor, but the mechanisms underlying the effects of EGFR-specific mAb in cancer therapy, to some extend the resistance to existing anti-EGFR therapies and some therapeutic strategies to overcome resistance such as combination of mAbs on different pathways are briefly discussed as well.
Summary
The EGFR family receptors, is considered as an attractive target for mAb development to inhibit their consecutive activities in tumour growth and resistance. However, due to resistance mechanisms, the combination therapies may become a good candidate for targeting EGFR family receptors.
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Affiliation(s)
- Shima Moradi-Kalbolandi
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Aysooda Hosseinzade
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Malihe Salehi
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Parnaz Merikhian
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Leila Farahmand
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
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42
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Keller S, Zwingenberger G, Ebert K, Hasenauer J, Wasmuth J, Maier D, Haffner I, Schierle K, Weirich G, Luber B. Effects of trastuzumab and afatinib on kinase activity in gastric cancer cell lines. Mol Oncol 2018; 12:441-462. [PMID: 29325228 PMCID: PMC5891041 DOI: 10.1002/1878-0261.12170] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 12/21/2017] [Accepted: 01/02/2018] [Indexed: 12/19/2022] Open
Abstract
The molecular mechanism of action of the HER2‐targeted antibody trastuzumab is only partially understood, and the direct effects of trastuzumab on the gastric cancer signaling network are unknown. In this study, we compared the molecular effect of trastuzumab and the HER kinase inhibitor afatinib on the receptor tyrosine kinase (RTK) network and the downstream‐acting intracellular kinases in gastric cancer cell lines. The molecular effects of trastuzumab and afatinib on the phosphorylation of 49 RTKs and 43 intracellular kinase phosphorylation sites were investigated in three gastric cancer cell lines (NCI‐N87, MKN1, and MKN7) using proteome profiling. To evaluate these effects, data were analyzed using mixed models and clustering. Moreover, proliferation assays were performed. Our comprehensive quantitative analysis of kinase activity in gastric cancer cell lines indicates that trastuzumab and afatinib selectively influenced the HER family RTKs. The effects of trastuzumab differed between cell lines, depending on the presence of activated HER2. The effects of trastuzumab monotherapy were not transduced to the intracellular kinase network. Afatinib alone or in combination with trastuzumab influenced HER kinases in all cell lines; that is, the effects of monotherapy and combination therapy were transduced to the intracellular kinase network. These results were confirmed by proliferation analysis. Additionally, the MET‐amplified cell line Hs746T was identified as afatinib nonresponder. The dependence of the effect of trastuzumab on the presence of activated HER2 might explain the clinical nonresponse of some patients who are routinely tested for HER2 expression and gene amplification in the clinic but not for HER2 activation. The consistent effects of afatinib on HER RTKs and downstream kinase activation suggest that afatinib might be an effective candidate in the future treatment of patients with gastric cancer irrespective of the presence of activated HER2. However, MET amplification should be taken into account as potential resistance factor.
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Affiliation(s)
- Simone Keller
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, Germany
| | - Gwen Zwingenberger
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, Germany
| | - Karolin Ebert
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, Germany
| | - Jan Hasenauer
- Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH), Institute of Computational Biology, Neuherberg, Germany.,Department of Mathematical Modeling of Biological Systems, Center for Mathematics, Technische Universität München, Garching, Germany
| | - Jacqueline Wasmuth
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, Germany
| | | | | | - Katrin Schierle
- Institute of Pathology, Universitätsklinikum Leipzig, Germany
| | - Gregor Weirich
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, Germany
| | - Birgit Luber
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, Germany
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43
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Kodack DP, Askoxylakis V, Ferraro GB, Sheng Q, Badeaux M, Goel S, Qi X, Shankaraiah R, Cao ZA, Ramjiawan RR, Bezwada D, Patel B, Song Y, Costa C, Naxerova K, Wong CSF, Kloepper J, Das R, Tam A, Tanboon J, Duda DG, Miller CR, Siegel MB, Anders CK, Sanders M, Estrada MV, Schlegel R, Arteaga CL, Brachtel E, Huang A, Fukumura D, Engelman JA, Jain RK. The brain microenvironment mediates resistance in luminal breast cancer to PI3K inhibition through HER3 activation. Sci Transl Med 2018; 9:9/391/eaal4682. [PMID: 28539475 DOI: 10.1126/scitranslmed.aal4682] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 05/02/2017] [Indexed: 12/16/2022]
Abstract
Although targeted therapies are often effective systemically, they fail to adequately control brain metastases. In preclinical models of breast cancer that faithfully recapitulate the disparate clinical responses in these microenvironments, we observed that brain metastases evade phosphatidylinositide 3-kinase (PI3K) inhibition despite drug accumulation in the brain lesions. In comparison to extracranial disease, we observed increased HER3 expression and phosphorylation in brain lesions. HER3 blockade overcame the resistance of HER2-amplified and/or PIK3CA-mutant breast cancer brain metastases to PI3K inhibitors, resulting in marked tumor growth delay and improvement in mouse survival. These data provide a mechanistic basis for therapeutic resistance in the brain microenvironment and identify translatable treatment strategies for HER2-amplified and/or PIK3CA-mutant breast cancer brain metastases.
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Affiliation(s)
- David P Kodack
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Vasileios Askoxylakis
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Gino B Ferraro
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Qing Sheng
- Oncology Translational Medicine, Novartis Institute for Biomedical Research, Cambridge, MA 02139, USA
| | - Mark Badeaux
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Shom Goel
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Xiaolong Qi
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Ram Shankaraiah
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Z Alexander Cao
- Oncology Translational Medicine, Novartis Institute for Biomedical Research, Cambridge, MA 02139, USA
| | - Rakesh R Ramjiawan
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Divya Bezwada
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Bhushankumar Patel
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Yongchul Song
- Department of Medicine, MGH Cancer Center and HMS, Boston, MA 02129, USA
| | - Carlotta Costa
- Department of Medicine, MGH Cancer Center and HMS, Boston, MA 02129, USA
| | - Kamila Naxerova
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Christina S F Wong
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Jonas Kloepper
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Rita Das
- Oncology Translational Medicine, Novartis Institute for Biomedical Research, Cambridge, MA 02139, USA
| | - Angela Tam
- Oncology Translational Medicine, Novartis Institute for Biomedical Research, Cambridge, MA 02139, USA
| | | | - Dan G Duda
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - C Ryan Miller
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27514, USA
| | - Marni B Siegel
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27514, USA
| | - Carey K Anders
- Division of Hematology Oncology, Department of Medicine, Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27514, USA
| | - Melinda Sanders
- Department of Pathology, Microbiology, and Immunology, Vanderbilt-Ingram Cancer Center, Nashville, TN 37203, USA
| | - Monica V Estrada
- Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN 37203, USA
| | - Robert Schlegel
- Oncology Translational Medicine, Novartis Institute for Biomedical Research, Cambridge, MA 02139, USA
| | - Carlos L Arteaga
- Departments of Medicine and Cancer Biology, Vanderbilt-Ingram Cancer Center, Nashville, TN 37203, USA
| | - Elena Brachtel
- Department of Pathology, MGH and HMS, Boston, MA 02114, USA
| | - Alan Huang
- Oncology Translational Medicine, Novartis Institute for Biomedical Research, Cambridge, MA 02139, USA
| | - Dai Fukumura
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA
| | - Jeffrey A Engelman
- Department of Medicine, MGH Cancer Center and HMS, Boston, MA 02129, USA.
| | - Rakesh K Jain
- Edwin L. Steele Laboratory, Department of Radiation Oncology, Massachusetts General Hospital (MGH) and Harvard Medical School (HMS), Boston, MA 02114, USA.
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Richard S, Selle F, Lotz JP, Khalil A, Gligorov J, Soares DG. Pertuzumab and trastuzumab: the rationale way to synergy. AN ACAD BRAS CIENC 2018; 88 Suppl 1:565-77. [PMID: 27275646 DOI: 10.1590/0001-3765201620150178] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 05/05/2015] [Indexed: 02/03/2023] Open
Abstract
It has now been 15 years since the HER2-targeted monoclonal antibody trastuzumab was introduced in clinical and revolutionized the treatment of HER2-positive breast cancer patients. Despite this achievement, most patients with HER2-positive metastatic breast cancer still show progression of their disease, highlighting the need for new therapies. The continuous interest in novel targeted agents led to the development of pertuzumab, the first in a new class of agents, the HER dimerization inhibitors. Pertuzumab is a novel recombinant humanized antibody directed against extracellular domain II of HER2 protein that is required for the heterodimerization of HER2 with other HER receptors, leading to the activation of downstream signalling pathways. Pertuzumab combined with trastuzumab plus docetaxel was approved for the first-line treatment of patients with HER2-positive metastatic breast cancer and is currently used as a standard of care in this indication. In the neoadjuvant setting, the drug was granted FDA-accelerated approval in 2013. Pertuzumab is also being evaluated in the adjuvant setting. The potential of pertuzumab relies in the dual complete blockade of the HER2/3 axis when administered with trastuzumab. This paper synthetises preclinical and clinical data on pertuzumab and highlights the mechanisms underlying the synergistic activity of the combination pertuzumab-trastuzumab which are essentially due to their complementary mode of action.
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Affiliation(s)
- Sandrine Richard
- Medical Oncology Department, APREC (Alliance Pour la Recherche En Cancérologie), Tenon Hospital (Hôpitaux Universitaires de l'Est-Parisien, AP-HP), rue de la Chine, 75020 Paris, France, Medical Oncology Department, Tenon Hospital, Paris , France
| | - Frédéric Selle
- Medical Oncology Department, APREC (Alliance Pour la Recherche En Cancérologie), Tenon Hospital (Hôpitaux Universitaires de l'Est-Parisien, AP-HP), rue de la Chine, 75020 Paris, France, Medical Oncology Department, Tenon Hospital, Paris , France
| | - Jean-Pierre Lotz
- Medical Oncology Department, APREC (Alliance Pour la Recherche En Cancérologie), Tenon Hospital (Hôpitaux Universitaires de l'Est-Parisien, AP-HP), rue de la Chine, 75020 Paris, France, Medical Oncology Department, Tenon Hospital, Paris , France.,Institut Universitaire de Cancérologie Université Pierre et Marie Curie (IUC-UPMC Univ Paris 06), Sorbonne Universités, 4 place Jussieu, 75005 Paris, France, Université Curie Paris 6, Institut Universitaire de Cancérologie, Université Pierre et Marie Curie, Paris , France
| | - Ahmed Khalil
- Medical Oncology Department, APREC (Alliance Pour la Recherche En Cancérologie), Tenon Hospital (Hôpitaux Universitaires de l'Est-Parisien, AP-HP), rue de la Chine, 75020 Paris, France, Medical Oncology Department, Tenon Hospital, Paris , France
| | - Joseph Gligorov
- Medical Oncology Department, APREC (Alliance Pour la Recherche En Cancérologie), Tenon Hospital (Hôpitaux Universitaires de l'Est-Parisien, AP-HP), rue de la Chine, 75020 Paris, France, Medical Oncology Department, Tenon Hospital, Paris , France.,Institut Universitaire de Cancérologie Université Pierre et Marie Curie (IUC-UPMC Univ Paris 06), Sorbonne Universités, 4 place Jussieu, 75005 Paris, France, Université Curie Paris 6, Institut Universitaire de Cancérologie, Université Pierre et Marie Curie, Paris , France
| | - Daniele G Soares
- Medical Oncology Department, APREC (Alliance Pour la Recherche En Cancérologie), Tenon Hospital (Hôpitaux Universitaires de l'Est-Parisien, AP-HP), rue de la Chine, 75020 Paris, France, Medical Oncology Department, Tenon Hospital, Paris , France
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45
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Affiliation(s)
- Ana Ruiz-Saenz
- Ana Ruiz-Saenz, University of California at San Francisco, San Francisco, CA; and Mark M. Moasser, University of California at San Francisco, San Francisco, CA
| | - Mark M Moasser
- Ana Ruiz-Saenz, University of California at San Francisco, San Francisco, CA; and Mark M. Moasser, University of California at San Francisco, San Francisco, CA
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46
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Eliseev IE, Yudenko AN, Vysochinskaya VV, Svirina AA, Evstratyeva AV, Drozhzhachih MS, Krendeleva EA, Vladimirova AK, Nemankin TA, Ekimova VM, Ulitin AB, Lomovskaya MI, Yakovlev PA, Bukatin AS, Knyazev NA, Moiseenko FV, Chakchir OB. Crystal structures of a llama VHH antibody BCD090-M2 targeting human ErbB3 receptor. F1000Res 2018; 7:57. [PMID: 30430004 PMCID: PMC6097396 DOI: 10.12688/f1000research.13612.2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/02/2018] [Indexed: 01/26/2023] Open
Abstract
Background: The ability of ErbB3 receptor to functionally complement ErbB1-2 and induce tumor resistance to their inhibitors makes it a unique target in cancer therapy by monoclonal antibodies. Here we report the expression, purification and structural analysis of a new anti-ErbB3 single-chain antibody. Methods: The VHH fragment of the antibody was expressed in E. coli SHuffle cells as a SUMO fusion, cleaved by TEV protease and purified to homogeneity. Binding to the extracellular domain of ErbB3 was studied by surface plasmon resonance. For structural studies, the antibody was crystallized by hanging-drop vapor diffusion in two different forms. Results: We developed a robust and efficient system for recombinant expression of single-domain antibodies. The purified antibody was functional and bound ErbB3 with K D =15±1 nM. The crystal structures of the VHH antibody in space groups C2 and P1 were solved by molecular replacement at 1.6 and 1.9 Å resolution. The high-quality electron density maps allowed us to build precise atomic models of the antibody and the putative paratope. Surprisingly, the CDR H2 existed in multiple distant conformations in different crystal forms, while the more complex CDR H3 had a low structural variability. The structures were deposited under PDB entry codes 6EZW and 6F0D. Conclusions: Our results may facilitate further mechanistic studies of ErbB3 inhibition by single-chain antibodies. Besides, the solved structures will contribute to datasets required to develop new computational methods for antibody modeling and design.
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Affiliation(s)
- Igor E. Eliseev
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Anna N. Yudenko
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Vera V. Vysochinskaya
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Anna A. Svirina
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | | | | | | | | | | | | | | | | | | | - Anton S. Bukatin
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Nickolay A. Knyazev
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Fedor V. Moiseenko
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Oleg B. Chakchir
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
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47
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Eliseev IE, Yudenko AN, Vysochinskaya VV, Svirina AA, Evstratyeva AV, Drozhzhachih MS, Krendeleva EA, Vladimirova AK, Nemankin TA, Ekimova VM, Ulitin AB, Lomovskaya MI, Yakovlev PA, Bukatin AS, Knyazev NA, Moiseenko FV, Chakchir OB. Crystal structures of a llama VHH antibody BCD090-M2 targeting human ErbB3 receptor. F1000Res 2018; 7:57. [PMID: 30430004 PMCID: PMC6097396 DOI: 10.12688/f1000research.13612.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/10/2018] [Indexed: 12/31/2022] Open
Abstract
Background: The ability of ErbB3 receptor to functionally complement ErbB1-2 and induce tumor resistance to their inhibitors makes it a unique target in cancer therapy by monoclonal antibodies. Here we report the expression, purification and structural analysis of a new anti-ErbB3 single-chain antibody. Methods: The VHH fragment of the antibody was expressed in E. coli SHuffle cells as a SUMO fusion, cleaved by TEV protease and purified to homogeneity. Binding to the extracellular domain of ErbB3 was studied by surface plasmon resonance. For structural studies, the antibody was crystallized by hanging-drop vapor diffusion in two different forms. Results: We developed a robust and efficient system for recombinant expression of single-domain antibodies. The purified antibody was functional and bound ErbB3 with K D = 1 μM. The crystal structures of the VHH antibody in space groups C2 and P1 were solved by molecular replacement at 1.6 and 1.9 Å resolution. The high-quality electron density maps allowed us to build precise atomic models of the antibody and the putative paratope. Surprisingly, the CDR H2 existed in multiple distant conformations in different crystal forms, while the more complex CDR H3 had a low structural variability. The structures were deposited under PDB entry codes 6EZW and 6F0D. Conclusions: Our results may facilitate further mechanistic studies of ErbB3 inhibition by single-chain antibodies. Besides, the solved structures will contribute to datasets required to develop new computational methods for antibody modeling and design.
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Affiliation(s)
- Igor E. Eliseev
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Anna N. Yudenko
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Vera V. Vysochinskaya
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Anna A. Svirina
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | | | | | | | | | | | | | | | | | | | - Anton S. Bukatin
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Nickolay A. Knyazev
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Fedor V. Moiseenko
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
| | - Oleg B. Chakchir
- St. Petersburg National Research Academic University RAS, St. Petersburg, 194021, Russian Federation
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48
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Schwarz LJ, Hutchinson KE, Rexer BN, Estrada MV, Gonzalez Ericsson PI, Sanders ME, Dugger TC, Formisano L, Guerrero-Zotano A, Red-Brewer M, Young CD, Lantto J, Pedersen MW, Kragh M, Horak ID, Arteaga CL. An ERBB1-3 Neutralizing Antibody Mixture With High Activity Against Drug-Resistant HER2+ Breast Cancers With ERBB Ligand Overexpression. J Natl Cancer Inst 2017; 109:3861234. [PMID: 29059433 DOI: 10.1093/jnci/djx065] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 03/15/2017] [Indexed: 12/31/2022] Open
Abstract
Background Plasticity of the ERBB receptor network has been suggested to cause acquired resistance to anti-human epidermal growth factor receptor 2 (HER2) therapies. Thus, we studied whether a novel approach using an ERBB1-3-neutralizing antibody mixture can block these compensatory mechanisms of resistance. Methods HER2+ cell lines and xenografts (n ≥ 6 mice per group) were treated with the ERBB1-3 antibody mixture Pan-HER, trastuzumab/lapatinib (TL), trastuzumab/pertuzumab (TP), or T-DM1. Downregulation of ERBB receptors was assessed by immunoblot analysis and immunohistochemistry. Paired pre- and post-T-DM1 tumor biopsies from patients (n = 11) with HER2-amplified breast cancer were evaluated for HER2 and P-HER3 expression by immunohistochemistry and/or fluorescence in situ hybridization. ERBB ligands were measured by quantitative reverse transcription polymerase chain reaction. Drug-resistant cells were generated by chronic treatment with T-DM1. All statistical tests were two-sided. Results Treatment with Pan-HER inhibited growth and promoted degradation of ERBB1-3 receptors in a panel of HER2+ breast cancer cells. Compared with TL, TP, and T-DM1, Pan-HER induced a similar antitumor effect against established BT474 and HCC1954 tumors, but was superior to TL against MDA-361 xenografts (TL mean = 2026 mm 3 , SD = 924 mm 3 , vs Pan-HER mean = 565 mm 3 , SD = 499 mm 3 , P = .04). Pan-HER-treated BT474 xenografts did not recur after treatment discontinuation, whereas tumors treated with TL, TP, and T-DM1 did. Post-TP and post-T-DM1 recurrent tumors expressed higher levels of neuregulin-1 (NRG1), HER3 and P-HER3 (all P < .05). Higher levels of P-HER3 protein and NRG1 mRNA were also observed in HER2+ breast cancers progressing after T-DM1 and trastuzumab (NRG1 transcript fold change ± SD; pretreatment = 2, SD = 1.9, vs post-treatment = 11.4, SD = 10.3, P = .04). The HER3-neutralizing antibody LJM716 resensitized the drug-resistant cells to T-DM1, suggesting a causal association between the NRG1-HER3 axis and drug resistance. Finally, Pan-HER treatment inhibited growth of HR6 trastuzumab- and T-DM1-resistant xenografts. Conclusions These data suggest that upregulation of a NRG1-HER3 axis can mediate escape from anti-HER2 therapies. Further, multitargeted antibody mixtures, such as Pan-HER, can simultaneously remove and/or block targeted ERBB receptor and ligands, thus representing an effective approach against drug-sensitive and -resistant HER2+ cancers.
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Affiliation(s)
- Luis J Schwarz
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Katherine E Hutchinson
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Brent N Rexer
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Mónica Valeria Estrada
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Paula I Gonzalez Ericsson
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Melinda E Sanders
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Teresa C Dugger
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Luigi Formisano
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Angel Guerrero-Zotano
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Monica Red-Brewer
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Christian D Young
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Johan Lantto
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Mikkel W Pedersen
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Michael Kragh
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Ivan D Horak
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
| | - Carlos L Arteaga
- Department of Medicine and Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN; Breast Cancer Research Program, Vanderbilt-Ingram Cancer Center, Nashville, TN; Department of Cancer Biology, Vanderbilt University, Nashville, TN; Symphogen, Ballerup, Denmark
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49
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Mota JM, Collier KA, Barros Costa RL, Taxter T, Kalyan A, Leite CA, Chae YK, Giles FJ, Carneiro BA. A comprehensive review of heregulins, HER3, and HER4 as potential therapeutic targets in cancer. Oncotarget 2017; 8:89284-89306. [PMID: 29179520 PMCID: PMC5687690 DOI: 10.18632/oncotarget.18467] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Accepted: 04/17/2017] [Indexed: 12/30/2022] Open
Abstract
Heregulins (HRGs) bind to the receptors HER3 or HER4, induce receptor dimerization, and trigger downstream signaling that leads to tumor progression and resistance to targeted therapies. Increased expression of HRGs has been associated with worse clinical prognosis; therefore, attempts to block HRG-dependent tumor growth have been pursued. This manuscript summarizes the function and signaling of HRGs and review the preclinical evidence of its involvement in carcinogenesis, prognosis, and treatment resistance in several malignancies such as colorectal cancer, non-small cell lung cancer, ovarian cancer, and breast cancer. Agents in preclinical development and clinical trials of novel therapeutics targeting HRG-dependent signaling are also discussed, including anti-HER3 and -HER4 antibodies, anti-metalloproteinase agents, and HRG fusion proteins. Although several trials have indicated an acceptable safety profile, translating preclinical findings into clinical practice remains a challenge in this field, possibly due to the complexity of downstream signaling and patterns of HRG, HER3 and HER4 expression in different cancer subtypes. Improving patient selection through biomarkers and understanding the resistance mechanisms may translate into significant clinical benefits in the near future.
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Affiliation(s)
- Jose Mauricio Mota
- Instituto do Câncer do Estado de São Paulo, Division of Oncology, Universidade de São Paulo, São Paulo, Brazil
| | - Katharine Ann Collier
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Ricardo Lima Barros Costa
- Developmental Therapeutics Program, Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Timothy Taxter
- Developmental Therapeutics Program, Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Aparna Kalyan
- Developmental Therapeutics Program, Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Caio A. Leite
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Young Kwang Chae
- Developmental Therapeutics Program, Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Francis J. Giles
- Developmental Therapeutics Program, Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Benedito A. Carneiro
- Developmental Therapeutics Program, Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
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Reynolds KL, Bedard PL, Lee SH, Lin CC, Tabernero J, Alsina M, Cohen E, Baselga J, Blumenschein G, Graham DM, Garrido-Laguna I, Juric D, Sharma S, Salgia R, Seroutou A, Tian X, Fernandez R, Morozov A, Sheng Q, Ramkumar T, Zubel A, Bang YJ. A phase I open-label dose-escalation study of the anti-HER3 monoclonal antibody LJM716 in patients with advanced squamous cell carcinoma of the esophagus or head and neck and HER2-overexpressing breast or gastric cancer. BMC Cancer 2017; 17:646. [PMID: 28899363 PMCID: PMC5596462 DOI: 10.1186/s12885-017-3641-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 09/04/2017] [Indexed: 12/15/2022] Open
Abstract
Background Human epidermal growth factor receptor 3 (HER3) is important in maintaining epidermal growth factor receptor-driven cancers and mediating resistance to targeted therapy. A phase I study of anti-HER3 monoclonal antibody LJM716 was conducted with the primary objective to identify the maximum tolerated dose (MTD) and/or recommended dose for expansion (RDE), and dosing schedule. Secondary objectives were to characterize safety/tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity. Methods This open-label, dose-finding study comprised dose escalation, followed by expansion in patients with squamous cell carcinoma of the head and neck or esophagus, and HER2-overexpressing metastatic breast cancer or gastric cancer. During dose escalation, patients received LJM716 intravenous once weekly (QW) or every two weeks (Q2W), in 28-day cycles. An adaptive Bayesian logistic regression model was used to guide dose escalation and establish the RDE. Exploratory pharmacodynamic tumor studies evaluated modulation of HER3 signaling. Results Patients received LJM716 3–40 mg/kg QW and 20 mg/kg Q2W (54 patients; 36 patients at 40 mg/kg QW). No dose-limiting toxicities (DLTs) were reported during dose-escalation. One patient experienced two DLTs (diarrhea, hypokalemia [both grade 3]) in the expansion phase. The RDE was 40 mg/kg QW, providing drug levels above the preclinical minimum effective concentration. One patient with gastric cancer had an unconfirmed partial response; 17/54 patients had stable disease, two lasting >30 weeks. Down-modulation of phospho-HER3 was observed in paired tumor samples. Conclusions LJM716 was well tolerated; the MTD was not reached, and the RDE was 40 mg/kg QW. Further development of LJM716 is ongoing. Trial registration Clinicaltrials.gov registry number NCT01598077 (registered on 4 May, 2012). Electronic supplementary material The online version of this article (10.1186/s12885-017-3641-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | - Se-Hoon Lee
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Chia-Chi Lin
- National Taiwan University Hospital, Taipei, Taiwan
| | - Josep Tabernero
- Vall d'Hebron University Hospital and Institute of Oncology (VHIO), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Maria Alsina
- Vall d'Hebron University Hospital and Institute of Oncology (VHIO), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Ezra Cohen
- Moores Cancer Center, University of California at San Diego, La Jolla, CA, USA
| | - José Baselga
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - George Blumenschein
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | | | - Dejan Juric
- Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Sunil Sharma
- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Ravi Salgia
- University of Chicago, Chicago, IL, USA.,City of Hope, Department of Medical Oncology and Therapeutics Research, Duarte, CA, USA
| | | | - Xianbin Tian
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA
| | - Rose Fernandez
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA
| | - Alex Morozov
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA.,Pfizer Inc., New York, NY, USA
| | - Qing Sheng
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | | | | | - Yung-Jue Bang
- Seoul National University College of Medicine, Seoul, Republic of Korea
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