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Ujlaky-Nagy L, Szöllősi J, Vereb G. Disrupting EGFR-HER2 Transactivation by Pertuzumab in HER2-Positive Cancer: Quantitative Analysis Reveals EGFR Signal Input as Potential Predictor of Therapeutic Outcome. Int J Mol Sci 2024; 25:5978. [PMID: 38892166 PMCID: PMC11173106 DOI: 10.3390/ijms25115978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/26/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Pertuzumab (Perjeta®), a humanized antibody binding to the dimerization arm of HER2 (Human epidermal growth factor receptor-2), has failed as a monotherapy agent in HER2 overexpressing malignancies. Since the molecular interaction of HER2 with ligand-bound EGFR (epidermal growth factor receptor) has been implied in mitogenic signaling and malignant proliferation, we hypothesized that this interaction, rather than HER2 expression and oligomerization alone, could be a potential molecular target and predictor of the efficacy of pertuzumab treatment. Therefore, we investigated static and dynamic interactions between HER2 and EGFR molecules upon EGF stimulus in the presence and absence of pertuzumab in HER2+ EGFR+ SK-BR-3 breast tumor cells using Förster resonance energy transfer (FRET) microscopy and fluorescence correlation and cross-correlation spectroscopy (FCS/FCCS). The consequential activation of signaling and changes in cell proliferation were measured by Western blotting and MTT assay. The autocorrelation functions of HER2 diffusion were best fitted by a three-component model corrected for triplet formation, and among these components the slowly diffusing membrane component revealed aggregation induced by EGFR ligand binding, as evidenced by photon-counting histograms and co-diffusing fractions. This aggregation has efficiently been prevented by pertuzumab treatment, which also inhibited the post-stimulus interaction of EGFR and HER2, as monitored by changes in FRET efficiency. Overall, the data demonstrated that pertuzumab, by hindering post-stimulus interaction between EGFR and HER2, inhibits EGFR-evoked HER2 aggregation and phosphorylation and leads to a dose-dependent decrease in cell proliferation, particularly when higher amounts of EGF are present. Consequently, we propose that EGFR expression on HER2-positive tumors could be taken into consideration as a potential biomarker when predicting the outcome of pertuzumab treatment.
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Affiliation(s)
- László Ujlaky-Nagy
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
- HUN-REN-UD Cell Biology and Signaling Research Group, Faculty of Medicine, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
| | - János Szöllősi
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
- HUN-REN-UD Cell Biology and Signaling Research Group, Faculty of Medicine, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
| | - György Vereb
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
- HUN-REN-UD Cell Biology and Signaling Research Group, Faculty of Medicine, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
- Faculty of Pharmacy, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
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2
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Kembuan GJ, Kim JY, Maus MV, Jan M. Targeting solid tumor antigens with chimeric receptors: cancer biology meets synthetic immunology. Trends Cancer 2024; 10:312-331. [PMID: 38355356 PMCID: PMC11006585 DOI: 10.1016/j.trecan.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 02/16/2024]
Abstract
Chimeric antigen receptor (CAR) T cell therapy is a medical breakthrough in the treatment of B cell malignancies. There is intensive focus on developing solid tumor-targeted CAR-T cell therapies. Although clinically approved CAR-T cell therapies target B cell lineage antigens, solid tumor targets include neoantigens and tumor-associated antigens (TAAs) with diverse roles in tumor biology. Multiple early-stage clinical trials now report encouraging signs of efficacy for CAR-T cell therapies that target solid tumors. We review the landscape of solid tumor target antigens from the perspective of cancer biology and gene regulation, together with emerging clinical data for CAR-T cells targeting these antigens. We then discuss emerging synthetic biology strategies and their application in the clinical development of novel cellular immunotherapies.
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Affiliation(s)
- Gabriele J Kembuan
- Cellular Immunotherapy Program, Cancer Center, Massachusetts General Hospital, Boston, USA; Harvard Medical School, Boston, MA, USA; Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Joanna Y Kim
- Cellular Immunotherapy Program, Cancer Center, Massachusetts General Hospital, Boston, USA; Harvard Medical School, Boston, MA, USA; Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Marcela V Maus
- Cellular Immunotherapy Program, Cancer Center, Massachusetts General Hospital, Boston, USA; Harvard Medical School, Boston, MA, USA; Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA
| | - Max Jan
- Cellular Immunotherapy Program, Cancer Center, Massachusetts General Hospital, Boston, USA; Harvard Medical School, Boston, MA, USA; Department of Pathology, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA.
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3
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O’Neill CE, Sun K, Sundararaman S, Chang JC, Glynn SA. The impact of nitric oxide on HER family post-translational modification and downstream signaling in cancer. Front Physiol 2024; 15:1358850. [PMID: 38601214 PMCID: PMC11004480 DOI: 10.3389/fphys.2024.1358850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/16/2024] [Indexed: 04/12/2024] Open
Abstract
The human epidermal growth factor receptor (HER) family consists of four members, activated by two families of ligands. They are known for mediating cell-cell interactions in organogenesis, and their deregulation has been associated with various cancers, including breast and esophageal cancers. In particular, aberrant epidermal growth factor receptor (EGFR) and HER2 signaling drive disease progression and result in poorer patient outcomes. Nitric oxide (NO) has been proposed as an alternative activator of the HER family and may play a role in this aberrant activation due to its ability to induce s-nitrosation and phosphorylation of the EGFR. This review discusses the potential impact of NO on HER family activation and downstream signaling, along with its role in the efficacy of therapeutics targeting the family.
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Affiliation(s)
- Ciara E. O’Neill
- Lambe Institute for Translational Research, Discipline of Pathology, School of Medicine, University of Galway, Galway, Ireland
| | - Kai Sun
- Houston Methodist Research Institute, Houston, TX, United States
- Dr Mary and Ron Neal Cancer Center, Houston Methodist Hospital, Houston, TX, United States
| | | | - Jenny C. Chang
- Houston Methodist Research Institute, Houston, TX, United States
- Dr Mary and Ron Neal Cancer Center, Houston Methodist Hospital, Houston, TX, United States
| | - Sharon A. Glynn
- Lambe Institute for Translational Research, Discipline of Pathology, School of Medicine, University of Galway, Galway, Ireland
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4
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Galogre M, Rodin D, Pyatnitskiy M, Mackelprang M, Koman I. "A Review of HER2 overexpression and somatic mutations in cancers". Crit Rev Oncol Hematol 2023; 186:103997. [PMID: 37062337 DOI: 10.1016/j.critrevonc.2023.103997] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/14/2023] [Accepted: 04/13/2023] [Indexed: 04/18/2023] Open
Abstract
The Human Epidermal Growth Factor Receptor (HER) proteins family, which includes HER2, are membrane-bound receptors that activate many intracellular pathways associated with growth and development. When there are mutations in HER2, or when it becomes overexpressed, it can cause oncogenesis and offer differential prognosis and treatment across almost all cancer types. Both mutations in HER2 and its overexpression have distinct mechanisms by which they can cause these effects in cancers. This review outlines how HER2's normal pathway is altered in both overexpression and mutation and compiles all the well-known mechanisms by which HER2 can cause oncogenesis. Finally, this review briefly outlines how HER2 mutants and HER2 overexpression is detected, and how their detection can lead to different prognosis and treatment in cancers.
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Affiliation(s)
| | - Dmitry Rodin
- Institute of Personalised and Translational Medicine, Ariel University, Ariel, Israel Kiryat Hamada
| | - Mikhail Pyatnitskiy
- Institute of Biomedical Chemistry RAMS, Solianka st.,14, 109544, Moscow, Russia
| | | | - Igor Koman
- SmartOmica, Tērbatas iela 36 - 4, Latvia Rīga, LV-1011; Institute of Personalised and Translational Medicine, Ariel University, Ariel, Israel Kiryat Hamada
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5
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Bai X, Sun P, Wang X, Long C, Liao S, Dang S, Zhuang S, Du Y, Zhang X, Li N, He K, Zhang Z. Structure and dynamics of the EGFR/HER2 heterodimer. Cell Discov 2023; 9:18. [PMID: 36781849 PMCID: PMC9925823 DOI: 10.1038/s41421-023-00523-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 01/15/2023] [Indexed: 02/15/2023] Open
Abstract
HER2 belongs to the human epidermal growth factor receptor tyrosine kinase family. Its overexpression or hyperactivation is a leading cause for multiple types of cancers. HER2 functions mainly through dimerization with other family members, such as EGFR. However, the molecular details for heterodimer assembly have not been completely understood. Here, we report cryo-EM structures of the EGF- and epiregulin-bound EGFR/HER2 ectodomain complexes at resolutions of 3.3 Å and 4.5 Å, respectively. Together with the functional analyses, we demonstrate that only the dimerization arm of HER2, but not that of EGFR, is essential for their heterodimer formation and signal transduction. Moreover, we analyze the differential membrane dynamics and transient interactions of endogenous EGFR and HER2 molecules in genome-edited cells using single-molecule live-cell imaging. Furthermore, we show that the interaction with HER2 could allow EGFR to resist endocytosis. Together, this work deepens our understanding of the unique structural properties and dynamics of the EGFR/HER2 complex.
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Affiliation(s)
- Xue Bai
- grid.11135.370000 0001 2256 9319State Key Laboratory of Membrane Biology, School of Life Sciences, Peking University, Beijing, China
| | - Pengyu Sun
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, China
| | - Xinghao Wang
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, China
| | - Changkun Long
- grid.11135.370000 0001 2256 9319State Key Laboratory of Membrane Biology, School of Life Sciences, Peking University, Beijing, China
| | - Shuyun Liao
- grid.11135.370000 0001 2256 9319Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Song Dang
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Shangshang Zhuang
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, China
| | - Yongtao Du
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, China
| | - Xinyi Zhang
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, China
| | - Nan Li
- grid.9227.e0000000119573309State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Kangmin He
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China. .,University of Chinese Academy of Sciences, Beijing, China.
| | - Zhe Zhang
- State Key Laboratory of Membrane Biology, School of Life Sciences, Peking University, Beijing, China. .,Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China.
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6
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Li X, Sun B, Zhu J, Qian M, Chen Y. Construction of a Mass-Tagged Oligo Probe Set for Revealing Protein Ratiometric Relationship Associated with EGFR-HER2 Heterodimerization in Living Cells. Anal Chem 2022; 94:8838-8846. [PMID: 35709389 DOI: 10.1021/acs.analchem.1c04989] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Protein dimerization, as the most common form of protein-protein interaction, can manifest more significant roles in cellular signaling than individual monomers. For example, excessive formation of EGFR-HER2 dimer has been implicated in cancer development and therapeutic resistance in addition to the overexpression of EGFR and HER2 proteins. Thus, quantitative evaluation of these heterodimers in living cells and revelation of their ratiometric relationship with protein monomers in dimerization may provide insights into clinical cancer management. To achieve this goal, the prerequisite is protein heterodimer quantification. Given the current lack of quantitative methods, we constructed a mass-tagged oligo nanoprobe set for quantification of EGFR-HER2 dimer in living cells. The mass-tagged oligo nanoprobe set contained two targeting probes (nucleic acid aptamers), a connector probe, a hairpin probe, and a photocleavable mass-tagged probe. Two distinct aptamers can recognize target protein monomers and initiate the subsequent hybridization cascade involving binding to the connector probe, formation of an initiator strand, opening of a hairpin probe, and ensuing hybridization with a photocleavable mass-tagged probe. Ultimately, the mass tag was released under ultraviolet light and then subjected to mass spectrometric analysis. In this way, the information regarding the interaction between two protein monomers was successfully converted to the quantitative signal of the mass tag. Using the assay, the expression level of EGFR-HER2 dimer and its relationship with individual protein monomers were determined in four breast cancer cell lines. We are among the first to obtain the absolute level of protein heterodimer, and this quantitative information may be vital in understanding the molecular basis of cancer.
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Affiliation(s)
- Xiaoxu Li
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Bo Sun
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.,Department of Pharmacy, The First People's Hospital of Lianyungang, Lianyungang 222002, China
| | - Jianhua Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Moting Qian
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yun Chen
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.,State Key Laboratory of Reproductive Medicine, Nanjing 210029, China.,Key Laboratory of Cardiovascular & Cerebrovascular Medicine, Nanjing 211166, China
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7
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McLean JW, Wilson JA, Tian T, Watson JA, VanHart M, Bean AJ, Scherer SS, Crossman DK, Ubogu E, Wilson SM. Disruption of Endosomal Sorting in Schwann Cells Leads to Defective Myelination and Endosomal Abnormalities Observed in Charcot-Marie-Tooth Disease. J Neurosci 2022; 42:5085-5101. [PMID: 35589390 PMCID: PMC9233440 DOI: 10.1523/jneurosci.2481-21.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/24/2022] [Accepted: 05/03/2022] [Indexed: 12/24/2022] Open
Abstract
Endosomal sorting plays a fundamental role in directing neural development. By altering the temporal and spatial distribution of membrane receptors, endosomes regulate signaling pathways that control the differentiation and function of neural cells. Several genes linked to inherited demyelinating peripheral neuropathies, known as Charcot-Marie-Tooth (CMT) disease, encode proteins that directly interact with components of the endosomal sorting complex required for transport (ESCRT). Our previous studies demonstrated that a point mutation in the ESCRT component hepatocyte growth-factor-regulated tyrosine kinase substrate (HGS), an endosomal scaffolding protein that identifies internalized cargo to be sorted by the endosome, causes a peripheral neuropathy in the neurodevelopmentally impaired teetering mice. Here, we constructed a Schwann cell-specific deletion of Hgs to determine the role of endosomal sorting during myelination. Inactivation of HGS in Schwann cells resulted in motor and sensory deficits, slowed nerve conduction velocities, delayed myelination and hypomyelinated axons, all of which occur in demyelinating forms of CMT. Consistent with a delay in Schwann cell maturation, HGS-deficient sciatic nerves displayed increased mRNA levels for several promyelinating genes and decreased mRNA levels for genes that serve as markers of myelinating Schwann cells. Loss of HGS also altered the abundance and activation of the ERBB2/3 receptors, which are essential for Schwann cell development. We therefore hypothesize that HGS plays a critical role in endosomal sorting of the ERBB2/3 receptors during Schwann cell maturation, which further implicates endosomal dysfunction in inherited peripheral neuropathies.SIGNIFICANCE STATEMENT Schwann cells myelinate peripheral axons, and defects in Schwann cell function cause inherited demyelinating peripheral neuropathies known as CMT. Although many CMT-linked mutations are in genes that encode putative endosomal proteins, little is known about the requirements of endosomal sorting during myelination. In this study, we demonstrate that loss of HGS disrupts the endosomal sorting pathway in Schwann cells, resulting in hypomyelination, aberrant myelin sheaths, and impairment of the ERBB2/3 receptor pathway. These findings suggest that defective endosomal trafficking of internalized cell surface receptors may be a common mechanism contributing to demyelinating CMT.
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Affiliation(s)
- John W McLean
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
| | - Julie A Wilson
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
| | - Tina Tian
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
| | - Jennifer A Watson
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
| | - Mary VanHart
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
| | - Andrew J Bean
- Graduate College, Rush University, Chicago, Illinois 60612
| | - Steven S Scherer
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - David K Crossman
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, 35294
| | - Eroboghene Ubogu
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
- Division of Neuromuscular Disease, Department of Neurology, University of Alabama at Birmingham, Birmingham, Alabama 35294
| | - Scott M Wilson
- Department of Neurobiology, Evelyn F. McKnight Brain Institute, Civitan International Research Center, University of Alabama at Birmingham, Birmingham, Alabama 35294
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8
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Ge F, Du Y, He Y. Direct Observation of Endocytosis Dynamics of Anti-ErbB Modified Single Nanocargoes. ACS NANO 2022; 16:5325-5334. [PMID: 35349254 DOI: 10.1021/acsnano.2c00184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The ErbB receptor family, including the epidermal growth factor receptor (EGFR) and ErbB2/3/4, regulate cell proliferation, differentiation, apoptosis, motility, etc., and their abnormalities can cause cancer and other diseases. Ligand-induced endocytosis of ErbB receptors is the key to various cancer treatment strategies, and different techniques have been developed to study this important process. Among them, single particle tracking (SPT) can reveal the spatiotemporal heterogeneity of ErbB receptors on the live cell membrane and has been used to characterize the EGFR dimerization process. Herein, we studied the endocytosis dynamics of two different ErbB receptors using dark-field microscopy. With anti-ErbB modified plasmonic gold nanorods (AuNRs) as probes, we compared the trajectories of individual anti-EGFR AuNRs (cAuNRs) and anti-ErbB AuNRs (tAuNRs) interacting with MCF-7 cells in situ in real time. The results revealed that the internalization rate of cAuNRs was faster than that of tAuNRs. Detailed SPT analysis suggests that cAuNRs enter cells through EGFR endocytosis pathway, and multiple intracellular transport modes sort the cAuNRs away from the transmembrane site. In contrast, the endocytosis resistance of ErbB2 slows down the cellular uptake rate of tAuNRs and causes some tAuNRs-ErbB2 complexes to be confined on the membrane with "circular" and "rolling circle" motions for a much longer time. Our results provide insights into the endocytosis process of the ErbB receptor family at the nanometer scale and could be potentially useful to develop cancer treatment strategies.
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Affiliation(s)
- Feng Ge
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, China
| | - Yi Du
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, China
| | - Yan He
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, China
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9
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It Takes More than Two to Tango: Complex, Hierarchal, and Membrane-Modulated Interactions in the Regulation of Receptor Tyrosine Kinases. Cancers (Basel) 2022; 14:cancers14040944. [PMID: 35205690 PMCID: PMC8869822 DOI: 10.3390/cancers14040944] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/09/2022] [Accepted: 02/12/2022] [Indexed: 12/18/2022] Open
Abstract
The search for an understanding of how cell fate and motility are regulated is not a purely scientific undertaking, but it can also lead to rationally designed therapies against cancer. The discovery of tyrosine kinases about half a century ago, the subsequent characterization of certain transmembrane receptors harboring tyrosine kinase activity, and their connection to the development of human cancer ushered in a new age with the hope of finding a treatment for malignant diseases in the foreseeable future. However, painstaking efforts were required to uncover the principles of how these receptors with intrinsic tyrosine kinase activity are regulated. Developments in molecular and structural biology and biophysical approaches paved the way towards better understanding of these pathways. Discoveries in the past twenty years first resulted in the formulation of textbook dogmas, such as dimerization-driven receptor association, which were followed by fine-tuning the model. In this review, the role of molecular interactions taking place during the activation of receptor tyrosine kinases, with special attention to the epidermal growth factor receptor family, will be discussed. The fact that these receptors are anchored in the membrane provides ample opportunities for modulatory lipid-protein interactions that will be considered in detail in the second part of the manuscript. Although qualitative and quantitative alterations in lipids in cancer are not sufficient in their own right to drive the malignant transformation, they both contribute to tumor formation and also provide ways to treat cancer. The review will be concluded with a summary of these medical aspects of lipid-protein interactions.
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10
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Reckoning apigenin and kaempferol as a potential multi-targeted inhibitor of EGFR/HER2-MEK pathway of metastatic colorectal cancer identified using rigorous computational workflow. Mol Divers 2022; 26:3337-3356. [PMID: 35147860 DOI: 10.1007/s11030-022-10396-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 01/22/2022] [Indexed: 11/27/2022]
Abstract
In the past two decades, the treatment of metastatic colorectal cancer (mCRC) has been revolutionized as multiple cytotoxic, biological, and targeted drugs are being approved. Unfortunately, tumors treated with single targeted agents or therapeutics usually develop resistance. According to pathway-oriented screens, mCRC cells evade EGFR inhibition by HER2 amplification and/or activating Kras-MEK downstream signaling. Therefore, treating mCRC patients with dual EGFR/HER2 inhibitors, MEK inhibitors, or the combination of the two drugs envisaged to prevent the resistance development which eventually improves the overall survival rate. In the present study, we aimed to screen potential phytochemical lead compounds that could multi-target EGFR, HER2, and MEK1 (Mitogen-activated protein kinase kinase) using a computer-aided drug design approach that includes molecular docking, endpoint binding free energy calculation using MM-GBSA, ADMET, and molecular dynamics (MD) simulations. Docking studies revealed that, unlike all other ligands, apigenin and kaempferol exhibit the highest docking score against all three targets. Details of ADMET analysis, MM/GBSA, and MD simulations helped us to conclusively determine apigenin and kaempferol as potentially an inhibitor of EGFR, HER2, and MEK1 apigenin and kaempferol against mCRC at a systemic level. Additionally, both apigenin and kaempferol elicited antiangiogenic properties in a dose-dependent manner. Collectively, these findings provide the rationale for drug development aimed at preventing CRC rather than intercepting resistance.
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11
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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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12
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Cecchini A, Cornelison DDW. Eph/Ephrin-Based Protein Complexes: The Importance of cis Interactions in Guiding Cellular Processes. Front Mol Biosci 2022; 8:809364. [PMID: 35096972 PMCID: PMC8793696 DOI: 10.3389/fmolb.2021.809364] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/21/2021] [Indexed: 12/13/2022] Open
Abstract
Although intracellular signal transduction is generally represented as a linear process that transmits stimuli from the exterior of a cell to the interior via a transmembrane receptor, interactions with additional membrane-associated proteins are often critical to its success. These molecules play a pivotal role in mediating signaling via the formation of complexes in cis (within the same membrane) with primary effectors, particularly in the context of tumorigenesis. Such secondary effectors may act to promote successful signaling by mediating receptor-ligand binding, recruitment of molecular partners for the formation of multiprotein complexes, or differential signaling outcomes. One signaling family whose contact-mediated activity is frequently modulated by lateral interactions at the cell surface is Eph/ephrin (EphA and EphB receptor tyrosine kinases and their ligands ephrin-As and ephrin-Bs). Through heterotypic interactions in cis, these molecules can promote a diverse range of cellular activities, including some that are mutually exclusive (cell proliferation and cell differentiation, or adhesion and migration). Due to their broad expression in most tissues and their promiscuous binding within and across classes, the cellular response to Eph:ephrin interaction is highly variable between cell types and is dependent on the cellular context in which binding occurs. In this review, we will discuss interactions between molecules in cis at the cell membrane, with emphasis on their role in modulating Eph/ephrin signaling.
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Affiliation(s)
- Alessandra Cecchini
- Division of Biological Sciences, University of Missouri, Columbia, MO, United States
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
| | - D. D. W. Cornelison
- Division of Biological Sciences, University of Missouri, Columbia, MO, United States
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
- *Correspondence: D. D. W. Cornelison,
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13
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Abstract
ABSTRACT Work over the past several decades has identified that aberrations in the ErbB signaling pathways are key drivers of oncogenesis, and concurrent efforts to discover targetable vulnerabilities to counter this aberrant oncogenic signaling offer tremendous promise in treating a host of human cancers. These efforts have been centered primarily on EGFR (also known as HER1), leading to the discovery of the first targeted therapies approved for head and neck cancer. More recently, HER2 and HER3 signaling pathways have been identified as highly dysregulated in head and neck cancer. This review highlights the HER2 and HER3 signaling pathways and clinical efforts to target these receptors and their aberrant signaling to treat head and neck squamous cell carcinomas and other head and neck malignancies, including salivary gland carcinomas. This includes the use of small molecule inhibitors and blocking antibodies, both as single agents or as part of multimodal precision targeted and immunotherapies.
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14
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Seegobin K, Majeed U, Wiest N, Manochakian R, Lou Y, Zhao Y. Immunotherapy in Non-Small Cell Lung Cancer With Actionable Mutations Other Than EGFR. Front Oncol 2021; 11:750657. [PMID: 34926258 PMCID: PMC8671626 DOI: 10.3389/fonc.2021.750657] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/10/2021] [Indexed: 12/11/2022] Open
Abstract
While first line targeted therapies are the current standard of care treatment for non-small cell lung cancer (NSCLC) with actionable mutations, the cancer cells inevitably acquire resistance to these agents over time. Immune check-point inhibitors (ICIs) have improved the outcomes of metastatic NSCLC, however, its efficacy in those with targetable drivers is largely unknown. In this manuscript, we reviewed the published data on ICI therapies in NSCLC with ALK, ROS1, BRAF, c-MET, RET, NTRK, KRAS, and HER2 (ERBB2) alterations. We found that the objective response rates (ORRs) associated with ICI treatments in lung cancers harboring the BRAF (0-54%), c-MET (12-49%), and KRAS (18.7-66.7%) alterations were comparable to non-mutant NSCLC, whereas the ORRs in RET fusion NSCLC (less than10% in all studies but one) and ALK fusion NSCLC (0%) were relatively low. The ORRs reported in small numbers of patients and studies of ROS1 fusion, NTRK fusion, and HER 2 mutant NSCLC were 0-17%, 50% and 7-23%, respectively, making the efficacy of ICIs in these groups of patients less clear. In most studies, no significant correlation between treatment outcome and PD-L1 expression or tumor mutation burden (TMB) was identified, and how to select patients with NSCLC harboring actionable mutations who will likely benefit from ICI treatment remains unknown.
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Affiliation(s)
- Karan Seegobin
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, United States
| | - Umair Majeed
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, United States
| | - Nathaniel Wiest
- Department of Medicine, Mayo Clinic, Jacksonville, FL, United States
| | - Rami Manochakian
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, United States
| | - Yanyan Lou
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, United States
| | - Yujie Zhao
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, United States
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15
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Wang W, Bian J, Sun Y, Li Z. The new fate of internalized membrane receptors: Internalized activation. Pharmacol Ther 2021; 233:108018. [PMID: 34626676 DOI: 10.1016/j.pharmthera.2021.108018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 12/23/2022]
Abstract
Classically, the fate of internalized membrane receptors includes receptor degradation and receptor recycling. However, recent findings have begun to challenge these views. Much research demonstrated that many internalized membrane receptors can trigger distinct signal activation rather than being desensitized inside the cell. Here, we introduce the concept of "internalized activation" which not only represents a new mode of receptor activation, but also endows the new fate for receptor internalization (from death to life). The new activation mode and fate of membrane receptor are ubiquitous and have unique theoretical significance. We systematically put forward the features, process, and regulation of "internalized activation" and its significance in signal transduction and diseases. "Internalized activation" will provide a completely new understanding for the theory of receptor activation, internalization and novel drug targets for precision medicine.
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Affiliation(s)
- Wenjing Wang
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, Beijing Key Laboratory of Cardiovascular Receptors Research, Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing 100191, China
| | - Jingwei Bian
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, Beijing Key Laboratory of Cardiovascular Receptors Research, Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing 100191, China
| | - Yang Sun
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, Beijing Key Laboratory of Cardiovascular Receptors Research, Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing 100191, China
| | - Zijian Li
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, Beijing Key Laboratory of Cardiovascular Receptors Research, Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing 100191, China; Department of Pharmacy, Peking University Third Hospital, Beijing 100191, China.
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16
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Topomer-CoMFA proposed as a tool to construct dual EGFR/HER-2 models. J Mol Model 2021; 27:239. [PMID: 34363097 DOI: 10.1007/s00894-021-04852-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/06/2021] [Indexed: 10/20/2022]
Abstract
Protein kinases (in this case, HER-2 and EGFR) are involved in cancer-related diseases. Some reports have shown unique CoMFA models using the sum of activities expressed as pIC50 (-log IC50), as the classical CoMFA technique would not be the best strategy to construct models for multitarget therapy considering that the molecular alignment will not be the same for different targets. An alternative for this problem is the use of Topomer-CoMFA, a variation of CoMFA, which does not require the alignment step in the generation of 3D models. In this study, we propose the combined use of the sum of activities and Topomer-CoMFA for the construction of a unique dual 3D model considering the inhibitory activities against EGFR and HER-2. For this, 88 compounds from the literature were divided into two groups: training (71) and test (17) sets. The biological activity of each compound, expressed as IC50 for EGFR and HER-2, was transformed into pIC50, summed, and used as the dependent variable in the Topomer-CoMFA analyses. The obtained model was considered statistically robust in the prediction of the dual activity of new compounds. Finally, based on the obtained model, we proposed structural modifications to some of the compounds used to improve the biological data. From the 3D model, we suggested new derivative compounds with improved biological activity for both targets. Therefore, the combination of the techniques proposed in this study proves to be a good strategy to construct better statistical models that can predict biological activities in multitarget systems.
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17
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von Zastrow M, Sorkin A. Mechanisms for Regulating and Organizing Receptor Signaling by Endocytosis. Annu Rev Biochem 2021; 90:709-737. [PMID: 33606955 DOI: 10.1146/annurev-biochem-081820-092427] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Intricate relationships between endocytosis and cellular signaling, first recognized nearly 40 years ago through the study of tyrosine kinase growth factor receptors, are now known to exist for multiple receptor classes and to affect myriad physiological and developmental processes. This review summarizes our present understanding of how endocytosis orchestrates cellular signaling networks, with an emphasis on mechanistic underpinnings and focusing on two receptor classes-tyrosine kinase and G protein-coupled receptors-that have been investigated in particular detail. Together, these examples provide a useful survey of the current consensus, uncertainties, and controversies in this rapidly advancing area of cell biology.
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Affiliation(s)
- Mark von Zastrow
- Department of Psychiatry, University of California, San Francisco, California 94143, USA;
| | - Alexander Sorkin
- Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA;
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18
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Fang L, Yu Y, Li Y, Wang S, He J, Zhang R, Sun YP. Upregulation of AREG, EGFR, and HER2 contributes to increased VEGF expression in granulosa cells of patients with OHSS†. Biol Reprod 2020; 101:426-432. [PMID: 31167229 DOI: 10.1093/biolre/ioz091] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 03/14/2019] [Accepted: 05/29/2019] [Indexed: 11/14/2022] Open
Abstract
Ovarian hyperstimulation syndrome (OHSS) is a serious iatrogenic complication in women undergoing induction of ovulation with human chorionic gonadotropin (hCG) for assisted reproductive techniques. Amphiregulin (AREG) is the most abundant epidermal growth factor receptor (EGFR) ligand expressed in human granulosa cells and follicular fluid and can be upregulated by luteinizing hormone (LH)/hCG. However, whether the expression levels of AREG, EGFR, and HER2 change in the granulosa cells of OHSS patients remains unknown. If it does, whether these molecules are involved in the development of OHSS requires investigation. In the present study, we showed that AREG, EGFR, and HER2 transcripts in granulosa cells as well as follicular fluid AREG proteins were elevated in OHSS patients. Increased AREG levels were associated with transcript levels and follicular content of vascular endothelial growth factor (VEGF), the marker for OHSS pathology. Treatment of cultured granulosa cells with AREG stimulated VEGF expression and secretion, with granulosa cells from OHSS patients showing more rapid and pronounced increases than the non-OHSS group. In addition, siRNA-mediated knockdown of EGFR and AREG attenuated the hCG-induced upregulation of VEGF. This study demonstrated that granulosa cell-secreted AREG plays an important role in the development of OHSS, suggesting that the EGFR/HER2-mediated signaling could be a novel drug target for the prevention and treatment of OHSS.
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Affiliation(s)
- Lanlan Fang
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiping Yu
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiran Li
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Sijia Wang
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jingyan He
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ruizhe Zhang
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ying-Pu Sun
- Reproductive Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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19
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Paul MD, Grubb HN, Hristova K. Quantifying the strength of heterointeractions among receptor tyrosine kinases from different subfamilies: Implications for cell signaling. J Biol Chem 2020; 295:9917-9933. [PMID: 32467228 PMCID: PMC7380177 DOI: 10.1074/jbc.ra120.013639] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/20/2020] [Indexed: 01/09/2023] Open
Abstract
Receptor tyrosine kinases (RTKs) are single-pass membrane proteins that control vital cell processes such as cell growth, survival, and differentiation. There is a growing body of evidence that RTKs from different subfamilies can interact and that these diverse interactions can have important biological consequences. However, these heterointeractions are often ignored, and their strengths are unknown. In this work, we studied the heterointeractions of nine RTK pairs, epidermal growth factor receptor (EGFR)-EPH receptor A2 (EPHA2), EGFR-vascular endothelial growth factor receptor 2 (VEGFR2), EPHA2-VEGFR2, EPHA2-fibroblast growth factor receptor 1 (FGFR1), EPHA2-FGFR2, EPHA2-FGFR3, VEGFR2-FGFR1, VEGFR2-FGFR2, and VEGFR2-FGFR3, using a FRET-based method. Surprisingly, we found that RTK heterodimerization and homodimerization strengths can be similar, underscoring the significance of RTK heterointeractions in signaling. We discuss how these heterointeractions can contribute to the complexity of RTK signal transduction, and we highlight the utility of quantitative FRET for probing multiple interactions in the plasma membrane.
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Affiliation(s)
- Michael D Paul
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland, USA
- Program in Molecular Biophysics, Johns Hopkins University, Baltimore, Maryland, USA
| | - Hana N Grubb
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Kalina Hristova
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland, USA
- Program in Molecular Biophysics, Johns Hopkins University, Baltimore, Maryland, USA
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland, USA
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20
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Li QH, Wang YZ, Tu J, Liu CW, Yuan YJ, Lin R, He WL, Cai SR, He YL, Ye JN. Anti-EGFR therapy in metastatic colorectal cancer: mechanisms and potential regimens of drug resistance. Gastroenterol Rep (Oxf) 2020; 8:179-191. [PMID: 32665850 PMCID: PMC7333932 DOI: 10.1093/gastro/goaa026] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/27/2020] [Accepted: 04/09/2020] [Indexed: 12/24/2022] Open
Abstract
Cetuximab and panitumumab, as the highly effective antibodies targeting epidermal growth factor receptor (EGFR), have clinical activity in the patients with metastatic colorectal cancer (mCRC). These agents have good curative efficacy, but drug resistance also exists at the same time. The effects of KRAS, NRAS, and BRAF mutations and HER2 amplification on the treatment of refractory mCRC have been elucidated and the corresponding countermeasures have been put forward. However, the changes in EGFR and its ligands, the mutations or amplifications of PIK3CA, PTEN, TP53, MET, HER3, IRS2, FGFR1, and MAP2K1, the overexpression of insulin growth factor-1, the low expression of Bcl-2-interacting mediator of cell death, mismatch repair-deficient, and epigenetic instability may also lead to drug resistance in mCRC. Although the emergence of drug resistance has genetic or epigenetic heterogeneity, most of these molecular changes relating to it are focused on the key signaling pathways, such as the RAS/RAF/mitogen-activated protein kinase or phosphatidylinositol 3-kinase/Akt/mammalian target of the rapamycin pathway. Accordingly, numerous efforts to target these signaling pathways and develop the novel therapeutic regimens have been carried out. Herein, we have reviewed the underlying mechanisms of the resistance to anti-EGFR therapy and the possible implications in clinical practice.
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Affiliation(s)
- Qing-Hai Li
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Ying-Zhao Wang
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Jian Tu
- Department of Musculoskeletal Oncology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Chu-Wei Liu
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Yu-Jie Yuan
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Run Lin
- Department of Radiology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Wei-Ling He
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Shi-Rong Cai
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Yu-Long He
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Jin-Ning Ye
- Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
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21
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Schroeder R, Sfondouris M, Goyal N, Komati R, Weerathunga A, Gettridge C, Stevens CLK, Jones FE, Sridhar J. Identification of New Mono/Dihydroxynaphthoquinone as Lead Agents That Inhibit the Growth of Refractive and Triple-Negative Breast Cancer Cell Lines. ACS OMEGA 2019; 4:10610-10619. [PMID: 31460159 PMCID: PMC6648266 DOI: 10.1021/acsomega.9b00929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 05/15/2019] [Indexed: 06/10/2023]
Abstract
Human epidermal growth factor receptor 2 (HER2) is overexpressed in nearly 20-30% of breast cancers and is associated with metastasis resulting in poor patient survival and high recurrence. The dual EGFR/HER2 kinase inhibitor lapatinib has shown promising clinical results, but its limitations have also led to the resistance and activation of tumor survival pathways. Following our previous investigation of quinones as HER2 kinase inhibitors, we synthesized several naphthoquinone derivatives that significantly inhibited breast tumor cells expressing HER2 and trastuzumab-resistant HER2 oncogenic isoform, HER2Δ16. Two of these compounds were shown to be more effective than lapatinib at the inhibition of HER2 autophosphorylation of Y1248. Compounds 7 (5,8-dihydroxy-2-methylnaphthalene-1,4-dione) and 9 (2-(bromomethyl)-5,8-dihydroxynaphthalene-1,4-dione) inhibited HER2-expressing MCF-7 cells (IC50 0.29 and 1.76 μM, respectively) and HER2Δ16-expressing MCF-7 cells (IC50 0.51 and 1.76 μM, respectively). Compound 7 was also shown to promote cell death in multiple refractory breast cancer cell lines with IC50 values ranging from 0.12 to 2.92 μM. These compounds can function as lead compounds for the design of a new series of nonquinonoid structural compounds that can maintain a similar inhibition profile.
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Affiliation(s)
- Richard Schroeder
- Department
of Chemistry, Xavier University of Louisiana, 1, Drexel Dr., New Orleans, Louisiana 70125, United States
| | - Mary Sfondouris
- Department
of Cell and Molecular Biology, Tulane University, 6400 Freret Street, 2000 Percival
Stern Hall, New Orleans, Louisiana 70118, United States
| | - Navneet Goyal
- Department
of Chemistry, Xavier University of Louisiana, 1, Drexel Dr., New Orleans, Louisiana 70125, United States
| | - Rajesh Komati
- Department
of Chemistry, Nicholls State University, 129 Beauregard Hall, 906 E. 1st
Street, Thibodaux, Louisiana 70301, United States
| | - Achira Weerathunga
- Department
of Chemistry, Xavier University of Louisiana, 1, Drexel Dr., New Orleans, Louisiana 70125, United States
| | - Cory Gettridge
- Department
of Chemistry, Xavier University of Louisiana, 1, Drexel Dr., New Orleans, Louisiana 70125, United States
| | - Cheryl L. Klein Stevens
- Ogden
College of Science and Engineering, Western
Kentucky University, 1906 College Heights Boulevard #11075, Bowling
Green, Kentucky 42101-1075, United States
| | - Frank E. Jones
- Department
of Cell and Molecular Biology, Tulane University, 6400 Freret Street, 2000 Percival
Stern Hall, New Orleans, Louisiana 70118, United States
| | - Jayalakshmi Sridhar
- Department
of Chemistry, Xavier University of Louisiana, 1, Drexel Dr., New Orleans, Louisiana 70125, United States
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22
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Abstract
Receptor tyrosine kinases (RTKs) play important roles in cell growth, motility, differentiation, and survival. These single-pass membrane proteins are grouped into subfamilies based on the similarity of their extracellular domains. They are generally thought to be activated by ligand binding, which promotes homodimerization and then autophosphorylation in trans. However, RTK interactions are more complicated, as RTKs can interact in the absence of ligand and heterodimerize within and across subfamilies. Here, we review the known cross-subfamily RTK heterointeractions and their possible biological implications, as well as the methodologies which have been used to study them. Moreover, we demonstrate how thermodynamic models can be used to study RTKs and to explain many of the complicated biological effects which have been described in the literature. Finally, we discuss the concept of the RTK interactome: a putative, extensive network of interactions between the RTKs. This RTK interactome can produce unique signaling outputs; can amplify, inhibit, and modify signaling; and can allow for signaling backups. The existence of the RTK interactome could provide an explanation for the irreproducibility of experimental data from different studies and for the failure of some RTK inhibitors to produce the desired therapeutic effects. We argue that a deeper knowledge of RTK interactome thermodynamics can lead to a better understanding of fundamental RTK signaling processes in health and disease. We further argue that there is a need for quantitative, thermodynamic studies that probe the strengths of the interactions between RTKs and their ligands and between different RTKs.
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Affiliation(s)
- Michael D. Paul
- Department of Materials Science and Engineering, Institute for NanoBioTechnology, and Program in Molecular Biophysics, Johns Hopkins University, Baltimore MD 21218
| | - Kalina Hristova
- Department of Materials Science and Engineering, Institute for NanoBioTechnology, and Program in Molecular Biophysics, Johns Hopkins University, Baltimore MD 21218
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23
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Dong Q, Yu P, Ye L, Zhang J, Wang H, Zou F, Tian J, Kurihara H. PCC0208027, a novel tyrosine kinase inhibitor, inhibits tumor growth of NSCLC by targeting EGFR and HER2 aberrations. Sci Rep 2019; 9:5692. [PMID: 30952931 PMCID: PMC6451005 DOI: 10.1038/s41598-019-42245-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 03/25/2019] [Indexed: 12/16/2022] Open
Abstract
PCC-0208027 is a novel tyrosine kinase inhibitor that has a strong inhibitory effect on epidermal growth factor receptor (EGFR)- or HER2-driven cancers. The aim is to assess the anti-tumor activity of PCC0208027 and related mechanisms in non-small cell lung cancer (NSCLC). We examined the activity of PCC0208027 on various mutated EGFRs, HER2, and HER4. MTT assays, flow cytometry, and Western blotting were used to examine the effects of PCC0208027 on NSCLC cells with different genetic characteristics and relevant molecular mechanisms. Nude mouse xenograft models with HCC827, NCI-H1975, and Calu-3 cells were used to evaluate the in vivo anti-tumor activity of PCC0208027. Results showed that PCC0208027 effectively inhibited the enzyme activity of EGFR family members, including drug-sensitive EGFR mutations, acquired drug-resistant EGFR T790M and EGFR C797S mutations, and wild-type (WT) HER2. PCC0208027 blocked EGFR phosphorylation, thereby downregulating downstream PI3K/AKT and MAPK/ERK signaling pathways and inducing G0/G1 arrest in NSCLC cells. PCC0208027 inhibited tumor growth in mouse xenograft models of HCC827, NCI-H1975, and Calu-3 cells. In summary, our findings suggest that PCC0208027 has the potential to become an oral antineoplastic drug for NSCLC treatment and is worthy of further development.
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Affiliation(s)
- Qiuju Dong
- Department of Pharmacology, Life Science and Biopharmaceutics School, Shenyang Pharmaceutical University, Shenyang, P.R. China
| | - Pengfei Yu
- School of Pharmacy, Binzhou Medical University, Yantai, P.R. China
| | - Liang Ye
- School of Pharmacy, Binzhou Medical University, Yantai, P.R. China
| | - Jianzhao Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China
| | - Hongbo Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China
| | - Fangxia Zou
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China
| | - Jingwei Tian
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China.
| | - Hiroshi Kurihara
- Department of Pharmacology, Life Science and Biopharmaceutics School, Shenyang Pharmaceutical University, Shenyang, P.R. China.
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24
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Studies on the Dual Activity of EGFR and HER-2 Inhibitors Using Structure-Based Drug Design Techniques. Int J Mol Sci 2018; 19:ijms19123728. [PMID: 30477154 PMCID: PMC6321113 DOI: 10.3390/ijms19123728] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 11/07/2018] [Accepted: 11/14/2018] [Indexed: 12/18/2022] Open
Abstract
HER-2 and EGFR are biological targets related to the development of cancer and the discovery and/or development of a dual inhibitor could be a good strategy to design an effective drug candidate. In this study, analyses of the chemical properties of a group of substances having affinity for both HER-2 and EGFR were carried out with the aim of understanding the main factors involved in the interaction between these inhibitors and the biological targets. Comparative analysis of molecular interaction fields (CoMFA) and comparative molecular similarity index analysis (CoMSIA) techniques were applied on 63 compounds. From CoMFA analyses, we found for both HER-2 (r2 calibration = 0.98 and q2cv = 0.83) and EGFR (r2 calibration = 0.98 and q2cv = 0.73) good predictive models. Good models for CoMSIA technique have also been found for HER-2 (r2 calibration = 0.92 and q2cv = 0.74) and EGFR (r2 calibration = 0.97 and q2cv = 0.72). The constructed models could indicate some important characteristics for the inhibition of the biological targets. New compounds were proposed as candidates to inhibit both proteins. Therefore, this study may guide future projects for the development of new drug candidates for the treatment of breast cancer.
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25
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Rapid screening of drug candidates against EGFR/HER2 signaling pathway using fluorescence assay. Anal Bioanal Chem 2018; 410:7827-7835. [DOI: 10.1007/s00216-018-1403-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 08/24/2018] [Accepted: 09/25/2018] [Indexed: 12/23/2022]
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26
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Amin M, Pourshohod A, Kheirollah A, Afrakhteh M, Gholami-Borujeni F, Zeinali M, Jamalan M. Specific delivery of idarubicin to HER2-positive breast cancerous cell line by trastuzumab-conjugated liposomes. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.07.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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27
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Sokolova EA, Vodeneev VA, Deyev SM, Balalaeva IV. 3D in vitro models of tumors expressing EGFR family receptors: a potent tool for studying receptor biology and targeted drug development. Drug Discov Today 2018; 24:99-111. [PMID: 30205170 DOI: 10.1016/j.drudis.2018.09.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 07/27/2018] [Accepted: 09/05/2018] [Indexed: 12/29/2022]
Abstract
Carcinomas overexpressing EGFR family receptors are of high clinical importance, because the receptors have prognostic value and are used as molecular targets for anticancer therapy. Insufficient drug efficacy necessitates further in-depth research of the receptor biology and improvement in preclinical stages of drug evaluation. Here, we review the currently used advanced 3D in vitro models of tumors, including tumor spheroids, models in natural and synthetic matrices, tumor organoids and microfluidic-based models, as a potent tool for studying EGFR biology and targeted drug development. We are especially focused on factors that affect the biology of tumor cells, causing modification in the expression and basic phosphorylation of the receptors, crosstalk with other signaling pathways and switch between downstream cascades, resulting ultimately in the resistance to antitumor agents.
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Affiliation(s)
- Evgeniya A Sokolova
- Institute of Biology and Biomedicine, Lobachevsky University, 23 Gagarin ave., Nizhny Novgorod 603950, Russia; Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia
| | - Vladimir A Vodeneev
- Institute of Biology and Biomedicine, Lobachevsky University, 23 Gagarin ave., Nizhny Novgorod 603950, Russia
| | - Sergey M Deyev
- Institute of Biology and Biomedicine, Lobachevsky University, 23 Gagarin ave., Nizhny Novgorod 603950, Russia; Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia
| | - Irina V Balalaeva
- Institute of Biology and Biomedicine, Lobachevsky University, 23 Gagarin ave., Nizhny Novgorod 603950, Russia; I.M. Sechenov First Moscow State Medical University, 8-2 Trubetskaya str., Moscow 119991, Russia.
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28
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Yan D, Parker RE, Wang X, Frye SV, Earp HS, DeRyckere D, Graham DK. MERTK Promotes Resistance to Irreversible EGFR Tyrosine Kinase Inhibitors in Non–small Cell Lung Cancers Expressing Wild-type EGFR Family Members. Clin Cancer Res 2018; 24:6523-6535. [DOI: 10.1158/1078-0432.ccr-18-0040] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 05/30/2018] [Accepted: 08/31/2018] [Indexed: 11/16/2022]
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29
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Oh IJ, Hur JY, Park CK, Kim YC, Kim SJ, Lee MK, Kim HJ, Lee KY, Lee JC, Choi CM. Clinical Activity of Pan-HER Inhibitors Against HER2-Mutant Lung Adenocarcinoma. Clin Lung Cancer 2018; 19:e775-e781. [DOI: 10.1016/j.cllc.2018.05.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 03/17/2018] [Accepted: 05/28/2018] [Indexed: 01/18/2023]
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30
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β-Heregulin impairs EGF induced PLC-γ1 signalling in human breast cancer cells. Cell Signal 2018; 52:23-34. [PMID: 30165102 DOI: 10.1016/j.cellsig.2018.08.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 08/23/2018] [Accepted: 08/26/2018] [Indexed: 11/20/2022]
Abstract
The interplay of ErbB receptor homo- and heterodimers plays a crucial role in the pathology of breast cancer since activated signal transduction cascades coordinate proliferation, survival and migration of cells. EGF and β-Heregulin are well characterised ligands known to induce ErbB homo- and heterodimerisation, which have been associated with disease progression. In the present study, we investigated the impact of both factors on the migration of MDA-NEO and MDA-HER2 human breast cancer cells. MDA-NEO cells are positive for EGFR and HER3, while MDA-HER2 cells express EGFR, HER2 and HER3. Cell migration analysis revealed that β-Heregulin potently impaired EGF induced migration in both cell lines. Western blot studies showed that both ErbB receptor and PLC-γ1 tyrosine phosphorylation levels were diminished in EGF and β-Heregulin co-treated MDA-NEO and MDA-HER2 cells, which was further correlated to a significantly impaired calcium influx. Our data indicate that EGF and HRG may interfere with each other for receptor binding and dimerisation, which ultimately has an impact on signalling outcome.
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31
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Milik SN, Abdel-Aziz AK, Lasheen DS, Serya RAT, Minucci S, Abouzid KAM. Surmounting the resistance against EGFR inhibitors through the development of thieno[2,3-d]pyrimidine-based dual EGFR/HER2 inhibitors. Eur J Med Chem 2018; 155:316-336. [PMID: 29902719 DOI: 10.1016/j.ejmech.2018.06.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/11/2018] [Accepted: 06/04/2018] [Indexed: 12/31/2022]
Abstract
In light of the emergence of resistance against the currently available EGFR inhibitors, our study focuses on tackling this problem through the development of dual EGFR/HER2 inhibitors with improved enzymatic affinities. Guided by the binding mode of the marketed dual EGFR/HER2 inhibitor, Lapatinib, we proposed the design of dual EGFR/HER2 inhibitors based on the 6-phenylthieno[2,3-d]pyrimidine as a core scaffold and hinge binder. After two cycles of screening aiming to identify the optimum aniline headgroup and solubilizing group, we eventually identified 27b as a dual EGFR/HER2 inhibitor with IC50 values of 91.7 nM and 1.2 μM, respectively. Notably, 27b dramatically reduced the viability of various patient-derived cancer cells preferentially overexpressing EGFR/HER2 (A431, MDA-MBA-361 and SKBr3 with IC50 values of 1.45, 3.5 and 4.83 μM, respectively). Additionally, 27b efficiently thwarted the proliferation of lapatinib-resistant human non-small lung carcinoma (NCI-H1975) cells, harboring T790 M mutation, with IC50 of 4.2 μM. Consistently, 27b significantly blocked EGF-induced EGFR activation and inactivated its downstream AKT/mTOR/S6 signalling pathway triggering apoptotic cell death in NCI-H1975 cells. The present study presents a promising candidate for further design and development of novel EGFR/HER2 inhibitors capable of overcoming EGFR TKIs resistance.
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Affiliation(s)
- Sandra N Milik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11566, Egypt.
| | - Amal Kamal Abdel-Aziz
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11566, Egypt; Department of Experimental Oncology, European Institute of Oncology, Via Adamello 16, 20139, Milan, Italy
| | - Deena S Lasheen
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11566, Egypt
| | - Rabah A T Serya
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11566, Egypt
| | - Saverio Minucci
- Department of Experimental Oncology, European Institute of Oncology, Via Adamello 16, 20139, Milan, Italy; Department of Biosciences, University of Milan, Milan, 20100, Italy
| | - Khaled A M Abouzid
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11566, Egypt.
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32
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Muta Y, Fujita Y, Sumiyama K, Sakurai A, Taketo MM, Chiba T, Seno H, Aoki K, Matsuda M, Imajo M. Composite regulation of ERK activity dynamics underlying tumour-specific traits in the intestine. Nat Commun 2018; 9:2174. [PMID: 29872037 PMCID: PMC5988836 DOI: 10.1038/s41467-018-04527-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 05/02/2018] [Indexed: 02/07/2023] Open
Abstract
Acting downstream of many growth factors, extracellular signal-regulated kinase (ERK) plays a pivotal role in regulating cell proliferation and tumorigenesis, where its spatiotemporal dynamics, as well as its strength, determine cellular responses. Here, we uncover the ERK activity dynamics in intestinal epithelial cells (IECs) and their association with tumour characteristics. Intravital imaging identifies two distinct modes of ERK activity, sustained and pulse-like activity, in IECs. The sustained and pulse-like activities depend on ErbB2 and EGFR, respectively. Notably, activation of Wnt signalling, the earliest event in intestinal tumorigenesis, augments EGFR signalling and increases the frequency of ERK activity pulses through controlling the expression of EGFR and its regulators, rendering IECs sensitive to EGFR inhibition. Furthermore, the increased pulse frequency is correlated with increased cell proliferation. Thus, ERK activity dynamics are defined by composite inputs from EGFR and ErbB2 signalling in IECs and their alterations might underlie tumour-specific sensitivity to pharmacological EGFR inhibition. The ERK signalling pathway regulates homeostasis of the intestinal epithelium. Here the authors identify two modes of ERK activity generated independently from EGFR and ErbB2 receptor and whose balance in cancer is shifted by Wnt pathway activation, resulting in enhanced sensitivity to EGFR inhibitors.
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Affiliation(s)
- Yu Muta
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Kyoto, 606-8051, Japan.,Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Yoshihisa Fujita
- Department of Systems Science, Graduate School of Informatics, Kyoto University, Kyoto, 606-8501, Japan
| | - Kenta Sumiyama
- Laboratory for Mouse Genetic Engineering, Quantitative Biology Center, RIKEN, Osaka, 565-0874, Japan
| | - Atsuro Sakurai
- Laboratory of Bioimaging and Cell Signaling, Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan
| | - M Mark Taketo
- Division of Experimental Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan
| | - Tsutomu Chiba
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan.,Kansai Electric Power Hospital, Osaka, 553-0003, Japan
| | - Hiroshi Seno
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Kazuhiro Aoki
- Division of Quantitative Biology, Okazaki Institute for Integrative Bioscience, National Institute for Basic Biology, National Institutes of Natural Sciences, Okazaki, Aichi, 444-8787, Japan.,Department of Basic Biology, Faculty of Life Science, SOKENDAI (Graduate University for Advanced Studies), Myodaiji, Okazaki, Aichi, 444-8787, Japan
| | - Michiyuki Matsuda
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Kyoto, 606-8051, Japan.,Laboratory of Bioimaging and Cell Signaling, Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan
| | - Masamichi Imajo
- Laboratory of Bioimaging and Cell Signaling, Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan.
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Goyette MA, Duhamel S, Aubert L, Pelletier A, Savage P, Thibault MP, Johnson RM, Carmeliet P, Basik M, Gaboury L, Muller WJ, Park M, Roux PP, Gratton JP, Côté JF. The Receptor Tyrosine Kinase AXL Is Required at Multiple Steps of the Metastatic Cascade during HER2-Positive Breast Cancer Progression. Cell Rep 2018; 23:1476-1490. [PMID: 29719259 DOI: 10.1016/j.celrep.2018.04.019] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 02/21/2018] [Accepted: 04/03/2018] [Indexed: 12/14/2022] Open
Abstract
AXL is activated by its ligand GAS6 and is expressed in triple-negative breast cancer cells. In the current study, we report AXL expression in HER2-positive (HER2+) breast cancers where it correlates with poor patient survival. Using murine models of HER2+ breast cancer, Axl, but not its ligand Gas6, was found to be essential for metastasis. We determined that AXL is required for intravasation, extravasation, and growth at the metastatic site. We found that AXL is expressed in HER2+ cancers displaying epithelial-to-mesenchymal transition (EMT) signatures where it contributes to sustain EMT. Interfering with AXL in a patient-derived xenograft (PDX) impaired transforming growth factor β (TGF-β)-induced cell invasion. Last, pharmacological inhibition of AXL specifically decreased the metastatic burden of mice developing HER2+ breast cancer. Our data identify AXL as a potential anti-metastatic co-therapeutic target for the treatment of HER2+ breast cancers.
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Affiliation(s)
- Marie-Anne Goyette
- Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada; Molecular Biology Programs, Université de Montréal, Montréal, QC H3T 1J4, Canada
| | - Stéphanie Duhamel
- Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada
| | - Léo Aubert
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Ariane Pelletier
- Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada
| | - Paul Savage
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montréal, QC H3A 1A1, Canada
| | | | - Radia Marie Johnson
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montréal, QC H3A 1A1, Canada
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, VIB Vesalius Research Center, VIB, Leuven 3000, Belgium; Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, University of Leuven, Leuven 3000, Belgium
| | - Mark Basik
- Department of Oncology and Surgery, Segal Cancer Center, Lady Davis Institute for Medical Research, Sir Mortimer B. Davis Jewish General Hospital, McGill University, Montréal, QC H3T 1E2, Canada
| | - Louis Gaboury
- Department of Pathology and Cell Biology, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - William J Muller
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montréal, QC H3A 1A1, Canada
| | - Morag Park
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montréal, QC H3A 1A1, Canada
| | - Philippe P Roux
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, QC H3C 3J7, Canada; Department of Pathology and Cell Biology, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Jean-Philippe Gratton
- Department of Pharmacology and Physiology, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Jean-François Côté
- Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada; Molecular Biology Programs, Université de Montréal, Montréal, QC H3T 1J4, Canada; Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada; Department of Anatomy and Cell Biology, McGill University, Montréal, QC H3A 0C7, Canada.
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34
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Emeriau N, de Clippele M, Gailly P, Tajeddine N. Store operated calcium entry is altered by the inhibition of receptors tyrosine kinase. Oncotarget 2018; 9:16059-16073. [PMID: 29662626 PMCID: PMC5882317 DOI: 10.18632/oncotarget.24685] [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: 06/16/2017] [Accepted: 02/28/2018] [Indexed: 12/12/2022] Open
Abstract
SOCE (Store-Operated Calcium Entry) is the main mechanism by which external Ca2+ enters into non-excitable cells after endoplasmic reticulum emptying. It is implicated in several processes such as proliferation and migration. Alterations in SOCE could initiate or support the development of hallmarks of cancer. In this project, we showed that disruption of the EGFR/ErbB2-dependent signalling by lapatinib and CP-724714, two inhibitors of the receptor tyrosine kinase (RTK), dramatically reduced the amplitude of the SOCE in breast cancer cells. LY294002 and MK2206, two inhibitors of the PI3K/Akt pathway, mimicked the effect of the inhibition of EGFR/ErbB2. In contrast, inhibitors of the MAPK pathway had no effect on SOCE. The involvement of EGFR/ErbB2 receptors and the PI3K/Akt pathway in the regulation of SOCE was confirmed in other cell lines derived from various cancer types. All these results showed that SOCE is positively regulated by the PI3K/Akt pathway and that this effect may be suppressed by the inhibition of the upstream RTKs. Inhibition of SOCE might therefore contribute to the anticancer effects of RTK inhibitors.
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Affiliation(s)
- Noémie Emeriau
- Laboratory of Cell Physiology, Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
| | - Marie de Clippele
- Laboratory of Cell Physiology, Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
| | - Philippe Gailly
- Laboratory of Cell Physiology, Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
| | - Nicolas Tajeddine
- Laboratory of Cell Physiology, Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
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35
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Maadi H, Nami B, Tong J, Li G, Wang Z. The effects of trastuzumab on HER2-mediated cell signaling in CHO cells expressing human HER2. BMC Cancer 2018; 18:238. [PMID: 29490608 PMCID: PMC5831215 DOI: 10.1186/s12885-018-4143-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 02/19/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Targeted therapy with trastuzumab has become a mainstay for HER2-positive breast cancer without a clear understanding of the mechanism of its action. While many mechanisms have been suggested for the action of trastuzumab, most of them are not substantiated by experimental data. It has been suggested that trastuzumab functions by inhibiting intracellular signaling initiated by HER2, however, the data are very controversial. A major issue is the different cellular background of various breast cancer cells lines used in these studies. Each breast cancer cell line has a unique expression profile of various HER receptors, which could significantly affect the effects of trastuzumab. METHODS To overcome this problem, in this research we adopted a cell model that allow us to specifically examine the effects of trastuzumab on a single HER receptor without the influence of other HER receptors. Three CHO cell lines stably expressing only human EGFR (CHO-EGFR), HER2 (CHO-K6), or HER3 (CHO-HER3) were used. Various methods including cytotoxicity assay, immunoblotting, indirect immunofluorescence, cross linking, and antibody-dependent cellular cytotoxicity (ADCC) were employed in this research. RESULTS We showed that trastuzumab did not bind EGFR and HER3, and thus did not affect the homodimerization and phosphorylation of EGFR and HER3. However, overexpression of HER2 in CHO cells, in the absence of other HER receptors, resulted in the homodimerization of HER2 and the phosphorylation of HER2 at all major pY residues. Trastuzumab bound to HER2 specifically and with high affinity. Trastuzumab inhibited neither the homodimerization of HER2, nor the phosphorylation of HER2 at most phosphotyrosine residues. Moreover, trastuzumab did not inhibit the phosphorylation of ERK and AKT in CHO-K6 cells, and did not inhibit the proliferation of CHO-K6 cells. However, trastuzumab induced strong ADCC in CHO-K6 cells. CONCLUSION We concluded that, in the absence of other HER receptors, trastuzumab exerts its antitumor activity through the induction of ADCC, rather than the inhibition of HER2-homodimerization and phosphorylation.
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Affiliation(s)
- Hamid Maadi
- Department of Medical Genetics, and Signal Transduction Research Group, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, T6G 2H7, Canada
| | - Babak Nami
- Department of Medical Genetics, and Signal Transduction Research Group, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, T6G 2H7, Canada
| | - Junfeng Tong
- Department of Medical Genetics, and Signal Transduction Research Group, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, T6G 2H7, Canada
| | - Gina Li
- Department of Medical Genetics, and Signal Transduction Research Group, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, T6G 2H7, Canada
| | - Zhixiang Wang
- Department of Medical Genetics, and Signal Transduction Research Group, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, T6G 2H7, Canada.
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36
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Cappuzzo F, Toschi L, Finocchiaro G, Ligorio C, Santoro A. Surrogate Predictive Biomarkers for Response to Anti-EGFR Agents: State of the Art and Challenges. Int J Biol Markers 2018; 22:10-23. [DOI: 10.1177/17246008070221s403] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The epidermal growth factor receptor (EGFR) plays a key role in cancer development and progression in several human malignancies including non-small cell lung cancer (NSCLC). Several strategies aimed at inhibiting the EGFR have been investigated in the last years, including the use of small tyrosine kinase inhibitors (TKIs) directed against the intracellular domain of the receptor and monoclonal antibodies targeting its extracellular portion. Subgroups of patients who are more likely to respond to TKIs have been identified based on both clincal and biological features. Never-smoking history has emerged as the most relevant clinical characteristic predictive of response to TKIs in NSCLC, while presence of drug-sensitive EGFR mutations and EGFR gene gain represent critical biological variables associated with an improved outcome for patients exposed to these agents. Recent studies have highlighted the existence of biological factors involved in intrinsic and acquired resistance to TKIs, including k-ras, HER-2 and EGFR exon 20 mutations. Increasing knowledge of EGFR biology and drug-receptor interactions will allow to identify individuals who are likely to derive a clinical benefit from the proposed targeted therapy, sparing refractory patients expensive and potentially toxic treatment.
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Affiliation(s)
- F. Cappuzzo
- Department of Oncology-Hematology, Istituto Clinico Humanitas IRCCS, Rozzano, Milan - Italy
| | - L. Toschi
- Department of Oncology-Hematology, Istituto Clinico Humanitas IRCCS, Rozzano, Milan - Italy
| | - G. Finocchiaro
- Department of Oncology-Hematology, Istituto Clinico Humanitas IRCCS, Rozzano, Milan - Italy
| | - C. Ligorio
- Department of Oncology-Hematology, Istituto Clinico Humanitas IRCCS, Rozzano, Milan - Italy
| | - A. Santoro
- Department of Oncology-Hematology, Istituto Clinico Humanitas IRCCS, Rozzano, Milan - Italy
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37
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Caldieri G, Malabarba MG, Di Fiore PP, Sigismund S. EGFR Trafficking in Physiology and Cancer. PROGRESS IN MOLECULAR AND SUBCELLULAR BIOLOGY 2018; 57:235-272. [PMID: 30097778 DOI: 10.1007/978-3-319-96704-2_9] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Signaling from the epidermal growth factor receptor (EGFR) elicits multiple biological responses, including cell proliferation, migration, and survival. Receptor endocytosis and trafficking are critical physiological processes that control the strength, duration, diversification, and spatial restriction of EGFR signaling through multiple mechanisms, which we review in this chapter. These mechanisms include: (i) regulation of receptor density and activation at the cell surface; (ii) concentration of receptors into distinct nascent endocytic structures; (iii) commitment of the receptor to different endocytic routes; (iv) endosomal sorting and postendocytic trafficking of the receptor through distinct pathways, and (v) recycling to restricted regions of the cell surface. We also highlight how communication between organelles controls EGFR activity along the endocytic route. Finally, we illustrate how abnormal trafficking of EGFR oncogenic mutants, as well as alterations of the endocytic machinery, contributes to aberrant EGFR signaling in cancer.
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Affiliation(s)
- Giusi Caldieri
- Dipartimento di Oncologia ed Emato-oncologia, Università degli Studi di Milano, Via Santa Sofia 9/1, 20122, Milan, Italy
- Istituto Europeo di Oncologia, Via Ripamonti 435, 20141, Milan, Italy
| | - Maria Grazia Malabarba
- Dipartimento di Oncologia ed Emato-oncologia, Università degli Studi di Milano, Via Santa Sofia 9/1, 20122, Milan, Italy
- Istituto Europeo di Oncologia, Via Ripamonti 435, 20141, Milan, Italy
| | - Pier Paolo Di Fiore
- Dipartimento di Oncologia ed Emato-oncologia, Università degli Studi di Milano, Via Santa Sofia 9/1, 20122, Milan, Italy
- Istituto Europeo di Oncologia, Via Ripamonti 435, 20141, Milan, Italy
| | - Sara Sigismund
- Dipartimento di Oncologia ed Emato-oncologia, Università degli Studi di Milano, Via Santa Sofia 9/1, 20122, Milan, Italy.
- Istituto Europeo di Oncologia, Via Ripamonti 435, 20141, Milan, Italy.
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38
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Sigismund S, Avanzato D, Lanzetti L. Emerging functions of the EGFR in cancer. Mol Oncol 2018; 12:3-20. [PMID: 29124875 PMCID: PMC5748484 DOI: 10.1002/1878-0261.12155] [Citation(s) in RCA: 839] [Impact Index Per Article: 139.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 10/23/2017] [Accepted: 10/26/2017] [Indexed: 12/31/2022] Open
Abstract
The physiological function of the epidermal growth factor receptor (EGFR) is to regulate epithelial tissue development and homeostasis. In pathological settings, mostly in lung and breast cancer and in glioblastoma, the EGFR is a driver of tumorigenesis. Inappropriate activation of the EGFR in cancer mainly results from amplification and point mutations at the genomic locus, but transcriptional upregulation or ligand overproduction due to autocrine/paracrine mechanisms has also been described. Moreover, the EGFR is increasingly recognized as a biomarker of resistance in tumors, as its amplification or secondary mutations have been found to arise under drug pressure. This evidence, in addition to the prominent function that this receptor plays in normal epithelia, has prompted intense investigations into the role of the EGFR both at physiological and at pathological level. Despite the large body of knowledge obtained over the last two decades, previously unrecognized (herein defined as 'noncanonical') functions of the EGFR are currently emerging. Here, we will initially review the canonical ligand-induced EGFR signaling pathway, with particular emphasis to its regulation by endocytosis and subversion in human tumors. We will then focus on the most recent advances in uncovering noncanonical EGFR functions in stress-induced trafficking, autophagy, and energy metabolism, with a perspective on future therapeutic applications.
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Affiliation(s)
- Sara Sigismund
- Fondazione Istituto FIRC di Oncologia Molecolare (IFOM)MilanItaly
| | - Daniele Avanzato
- Department of OncologyUniversity of Torino Medical SchoolItaly,Candiolo Cancer InstituteFPO ‐ IRCCSCandiolo, TorinoItaly
| | - Letizia Lanzetti
- Department of OncologyUniversity of Torino Medical SchoolItaly,Candiolo Cancer InstituteFPO ‐ IRCCSCandiolo, TorinoItaly
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Milik SN, Lasheen DS, Serya RA, Abouzid KA. How to train your inhibitor: Design strategies to overcome resistance to Epidermal Growth Factor Receptor inhibitors. Eur J Med Chem 2017; 142:131-151. [DOI: 10.1016/j.ejmech.2017.07.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 07/11/2017] [Accepted: 07/14/2017] [Indexed: 01/05/2023]
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40
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Ding Z, Roos A, Kloss J, Dhruv H, Peng S, Pirrotte P, Eschbacher JM, Tran NL, Loftus JC. A Novel Signaling Complex between TROY and EGFR Mediates Glioblastoma Cell Invasion. Mol Cancer Res 2017; 16:322-332. [PMID: 29117939 DOI: 10.1158/1541-7786.mcr-17-0454] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 10/13/2017] [Accepted: 10/27/2017] [Indexed: 12/30/2022]
Abstract
Glioblastoma is the most frequent primary brain tumor in adults and a highly lethal malignancy with a median survival of about 15 months. The aggressive invasion of the surrounding normal brain makes complete surgical resection impossible, increases the resistance to radiation and chemotherapy, and assures tumor recurrence. Thus, there is an urgent need to develop innovative therapeutics to target the invasive tumor cells for improved treatment outcomes of this disease. Expression of TROY (TNFRSF19), a member of the tumor necrosis factor (TNF) receptor family, increases with increasing glial tumor grade and inversely correlates with patient survival. Increased expression of TROY stimulates glioblastoma cell invasion in vitro and in vivo and increases resistance to temozolomide and radiation therapy. Conversely, silencing TROY expression inhibits glioblastoma cell invasion, increases temozolomide sensitivity, and prolongs survival in an intracranial xenograft model. Here, a novel complex is identified between TROY and EGFR, which is mediated predominantly by the cysteine-rich CRD3 domain of TROY. Glioblastoma tumors with elevated TROY expression have a statistically positive correlation with increased EGFR expression. TROY expression significantly increases the capacity of EGF to stimulate glioblastoma cell invasion, whereas depletion of TROY expression blocks EGF stimulation of glioblastoma cell invasion. Mechanistically, TROY expression modulates EGFR signaling by facilitating EGFR activation and delaying EGFR receptor internalization. Moreover, the association of EGFR with TROY increases TROY-induced NF-κB activation. These findings substantiate a critical role for the TROY-EGFR complex in regulation of glioblastoma cell invasion.Implications: The TROY-EGFR signaling complex emerges as a potential therapeutic target to inhibit glioblastoma cell invasion. Mol Cancer Res; 16(2); 322-32. ©2017 AACR.
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Affiliation(s)
- Zonghui Ding
- Department of Biochemistry and Molecular Biology, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Alison Roos
- Departments of Cancer Biology and Neurosurgery, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Jean Kloss
- Department of Biochemistry and Molecular Biology, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Harshil Dhruv
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Sen Peng
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Patrick Pirrotte
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona.,Center for Proteomics, Translational Genomics Research Institute, Phoenix, Arizona
| | - Jennifer M Eschbacher
- Department of Neuropathology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Nhan L Tran
- Departments of Cancer Biology and Neurosurgery, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Joseph C Loftus
- Department of Biochemistry and Molecular Biology, Mayo Clinic Arizona, Scottsdale, Arizona.
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41
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Chen CH, Hsia TC, Yeh MH, Chen TW, Chen YJ, Chen JT, Wei YL, Tu CY, Huang WC. MEK inhibitors induce Akt activation and drug resistance by suppressing negative feedback ERK-mediated HER2 phosphorylation at Thr701. Mol Oncol 2017. [PMID: 28632938 PMCID: PMC5579385 DOI: 10.1002/1878-0261.12102] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Targeting the MEK/ERK pathway has been viewed as a promising strategy for cancer therapy. However, MEK inhibition leads to the compensatory PI3K/AKT activation and thus contributes to the desensitization of cancer cells to MEK inhibitors. The underlying molecular mechanism of this event is not yet understood. In this study, our data showed that the induction of Akt activity by MEK inhibitors was specifically observed in HER2‐positive breast cancer cells. Silence of HER2, or overexpression of HER2 kinase‐dead mutant, prevents the induction of Akt activation in response to MEK inhibition, indicating HER2 as a critical regulator for this event. Furthermore, HER2 Thr701 was demonstrated as a direct phosphorylation target of ERK1/2. Inhibition of this specific phosphorylation prolonged the dimerization of HER2 with EGFR in a clathrin‐dependent manner, leading to the enhanced activation of HER2 and EGFR tyrosine kinase and their downstream Akt pathway. These results suggest that suppression of ERK‐mediated HER2 Thr701 phosphorylation contributes to MEK inhibitor‐induced Akt activation.
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Affiliation(s)
- Chia-Hung Chen
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan.,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.,Department of Respiratory Therapy, China Medical University, Taichung, Taiwan
| | - Te-Chun Hsia
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.,Department of Respiratory Therapy, China Medical University, Taichung, Taiwan.,Department of Internal Medicine, Hyperbaric Oxygen Therapy Center, China Medical University Hospital, Taichung, Taiwan
| | - Ming-Hsin Yeh
- Department of Surgery, Chang Shan Medical University, Taichung, Taiwan
| | - Tsung-Wei Chen
- Department of Pathology, China Medical University Hospital, Taichung, Taiwan.,Department of Pathology, Tainan Municipal An-Nan hospital, China Medical University, Taichung, Taiwan
| | - Yun-Ju Chen
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan.,Department of Biological Science & Technology, I-Shou University, Kaohsiung, Taiwan.,School of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Jung-Tsu Chen
- Graduate Institute of Clinical Dentistry, National Taiwan University, Taipei, Taiwan.,Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
| | - Ya-Ling Wei
- Center for Molecular Medicine, China Medical University and Hospital, Taichung, Taiwan
| | - Chih-Yen Tu
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan.,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, China Medical University, Taichung, Taiwan.,Department of Life Science, National Chung Hsing University, Taichung, Taiwan
| | - Wei-Chien Huang
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan.,Center for Molecular Medicine, China Medical University and Hospital, Taichung, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,The Ph.D. program for Cancer Biology and Drug Discovery, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan
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42
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Evolution of anti-HER2 therapies for cancer treatment. Cancer Treat Rev 2017; 59:1-21. [PMID: 28715775 DOI: 10.1016/j.ctrv.2017.06.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 01/13/2023]
Abstract
The development of HER2-directed monoclonal antibodies and tyrosine kinase inhibitors have provided benefits to cancer patients, as well as produced many insights into the biology of the ErbB receptor family. Current therapies based on ErbB family members have resulted in improved overall survival with associated improvements in quality of life for the cancer patients that respond to treatment. Compared to monotherapy using either two antibodies to block the HER2 receptor blockade or combinatorial approaches with HER2 antibodies and standard therapies has provided additional benefits. Despite the therapeutic success of existing HER2 therapies, personalising treatment and overcoming resistance to these therapies remains a significant challenge. The heterogeneous intra-tumoural HER2 expression and lack of fully predictive and prognostic biomarkers remain significant barriers to improving the use of HER2 antibodies. Imaging modalities using radiolabelled pertuzumab and trastuzumab allow quantitative assessment of intra-tumoural HER2 expression, HER2 antibody saturation and the success of different drug delivery systems to be assessed. Molecular imaging with HER2 antibodies has the potential to be a non-invasive, predictive and prognostic technique capable of influencing therapeutic decisions, predicting response and failure of treatments as well as providing insights into receptor recycling and signalling. Similarly, conjugating HER2 antibodies with novel toxic payloads or combining HER2 antibodies with cellular immunotherapy provide exciting new opportunities for the management of tumours overexpressing HER2. Future research will lead to higher therapeutic responses, lower toxicities and providing insight into the mechanisms of resistance to HER2-targeted treatments.
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43
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Transactivation of the epidermal growth factor receptor in responses to myocardial stress and cardioprotection. Int J Biochem Cell Biol 2017; 83:97-110. [DOI: 10.1016/j.biocel.2016.12.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 12/25/2016] [Accepted: 12/26/2016] [Indexed: 12/20/2022]
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44
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Selitrennik M, Lev S. PYK2 integrates growth factor and cytokine receptors signaling and potentiates breast cancer invasion via a positive feedback loop. Oncotarget 2016; 6:22214-26. [PMID: 26084289 PMCID: PMC4673158 DOI: 10.18632/oncotarget.4257] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 05/29/2015] [Indexed: 12/27/2022] Open
Abstract
The involvement of ErbB family members in breast cancer progression and metastasis has been demonstrated by many studies. However, the downstream effectors that mediate their migratory and invasive responses have not been fully explored. In this study, we show that the non-receptor tyrosine kinase PYK2 is a key effector of EGFR and HER2 signaling in human breast carcinoma. We found that PYK2 is activated by both EGF and heregulin (HRG) in breast cancer cells, and positively regulates EGF/HRG-induced cell spreading, migration and invasion. PYK2 depletion markedly affects ERK1/2 and STAT3 phosphorylation in response to EGF/HRG as well as to IL8 treatment. Importantly, PYK2 depletion also reduced EGF/HRG-induced MMP9 and IL8 transcription, while IL8 inhibition abrogated EGF-induced MMP9 transcription and attenuated cell invasion. IL8, which is transcriptionally regulated by STAT3 and induces PYK2 activation, prolonged EGF-induced PYK2, STAT3 and ERK1/2 phosphorylation suggesting that IL8 acts through an autocrine loop to reinforce EGF-induced signals. Collectively our studies suggest that PYK2 is a common downstream effector of ErbB and IL8 receptors, and that PYK2 integrates their signaling pathways through a positive feedback loop to potentiate breast cancer invasion. Hence, PYK2 could be a potential therapeutic target for a subset of breast cancer patients.
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Affiliation(s)
- Michael Selitrennik
- Molecular Cell Biology Department, Weizmann Institute of Science, Rehovot, Israel
| | - Sima Lev
- Molecular Cell Biology Department, Weizmann Institute of Science, Rehovot, Israel
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45
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Kennedy SP, Hastings JF, Han JZR, Croucher DR. The Under-Appreciated Promiscuity of the Epidermal Growth Factor Receptor Family. Front Cell Dev Biol 2016; 4:88. [PMID: 27597943 PMCID: PMC4992703 DOI: 10.3389/fcell.2016.00088] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 08/08/2016] [Indexed: 12/26/2022] Open
Abstract
Each member of the epidermal growth factor receptor (EGFR) family plays a key role in normal development, homeostasis, and a variety of pathophysiological conditions, most notably in cancer. According to the prevailing dogma, these four receptor tyrosine kinases (RTKs; EGFR, ERBB2, ERBB3, and ERBB4) function exclusively through the formation of homodimers and heterodimers within the EGFR family. These combinatorial receptor interactions are known to generate increased interactome diversity and therefore influence signaling output, subcellular localization and function of the heterodimer. This molecular plasticity is also thought to play a role in the development of resistance toward targeted cancer therapies aimed at these known oncogenes. Interestingly, many studies now challenge this dogma and suggest that the potential for EGFR family receptors to interact with more distantly related RTKs is much greater than currently appreciated. Here we discuss how the promiscuity of these oncogenic receptors may lead to the formation of many unexpected receptor pairings and the significant implications for the efficiency of many targeted cancer therapies.
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Affiliation(s)
- Sean P Kennedy
- Systems Biology Ireland, University College DublinDublin, Ireland; Kinghorn Cancer Centre, Garvan Institute of Medical ResearchSydney, NSW, Australia
| | - Jordan F Hastings
- Kinghorn Cancer Centre, Garvan Institute of Medical Research Sydney, NSW, Australia
| | - Jeremy Z R Han
- Kinghorn Cancer Centre, Garvan Institute of Medical Research Sydney, NSW, Australia
| | - David R Croucher
- Kinghorn Cancer Centre, Garvan Institute of Medical ResearchSydney, NSW, Australia; School of Medicine, University College DublinDublin, Ireland; St Vincent's Hospital Clinical School, University of New South WalesSydney, NSW, Australia
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46
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Ellebaek S, Brix S, Grandal M, Lantto J, Horak ID, Kragh M, Poulsen TT. Pan-HER-An antibody mixture targeting EGFR, HER2 and HER3 abrogates preformed and ligand-induced EGFR homo- and heterodimers. Int J Cancer 2016; 139:2095-105. [PMID: 27342948 DOI: 10.1002/ijc.30242] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 06/01/2016] [Accepted: 06/06/2016] [Indexed: 12/16/2022]
Abstract
The human epidermal growth factor receptor (HER)-family is involved in development of many epithelial cancers. Therefore, HER-family members constitute important targets for anti-cancer therapeutics such as monoclonal antibodies (mAbs). A limitation to the success of single HER-targeting mAbs is development of acquired resistance through mechanisms such as alterted receptor dimerization patterns and dependencies. Pan-HER is a mixture of six mAbs simultaneously targeting epidermal growth factor receptor (EGFR), HER2 and HER3 with two mAbs against each receptor. Pan-HER has previously demonstrated broader efficacy than targeting single or dual receptor combinations also in resistant settings. In light of this broad efficacy, we decided to investigate the effect of Pan-HER compared with single HER-targeting with single and dual mAbs on HER-family cross-talk and dimerization focusing on EGFR. The effect of Pan-HER on cell proliferation and HER-family receptor degradation was superior to treatment with single mAbs targeting either single receptor, and similar to targeting a single receptor with two non-overlapping antibodies. Furthermore, changes in EGFR-dimerization patterns after treatment with Pan-HER were investigated by in situ proximity ligation assay and co-immunoprecipitation, demonstrating that Pan-HER and the EGFR-targeting mAb mixture efficiently down-regulate basal EGFR homo- and heterodimerization in two tested cell lines, whereas single mAbs had limited effects. Pan-HER and the EGFR-targeting mAb mixture also blocked EGF-binding and thereby ligand-induced changes in EGFR-dimerization levels. These results suggest that Pan-HER reduces the cellular capability to switch HER-dependency and dimerization pattern in response to treatment and thus hold promise for future clinical development of Pan-HER in resistant settings.
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Affiliation(s)
| | - Susanne Brix
- Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kongens Lyngby, Denmark
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47
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Zhang Y, Wang L, Chong X, Yu X, Meng Y, Dong J, Wang C, Wang H, Yang Y, Xia T, Zhao J, Li B. A bispecific anti-ErbB2 antibody potently induces ErbB2 internalization and suppresses ErbB2-overexpressing tumor growth. Biochem Biophys Res Commun 2016; 477:755-760. [PMID: 27363335 DOI: 10.1016/j.bbrc.2016.06.131] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 06/26/2016] [Indexed: 11/15/2022]
Abstract
The anti-ErbB2 humanized antibody trastuzumab was approved for ErbB2-positive metastatic gastric and gastro-esophageal junction cancer in 2010. Despite the effectiveness of trastuzumab, its efficacy remains variable and often modest. Thus, there is an urgent need to improve ErbB2-targeting therapy. Down-regulation of surface receptors induced by monoclonal antibody (mAb) contributes to its antitumor efficacy. Previous studies have demonstrated that if two anti-ErbB2 mAbs did not compete with each other for binding to ErbB2, the combination of them can enhance ErbB2 internalization. In the present study, we investigated ErbB2 internalization-inducing ability of non-competitive anti-ErbB2 mAb combinations and surprisingly found that most of the mAb combinations tested did not down-regulate ErbB2. Only 4 of 18 non-competitive mAb pairs efficiently induced ErbB2 internalization. Interestingly, although the non-competitive anti-ErbB2 mAbs trastuzumab and pertuzumab, either alone or in combination, were ineffective at inducing ErbB2 internalization, TPL, a bispecific antibody engineered from trastuzumab and pertuzumab, potently down-regulated the ErbB2 molecule. Importantly, TPL exhibited a far greater antitumor effect on ErbB2-overexpressing gastric cancer cell line than trastuzumab plus pertuzumab, suggesting that it may be a promising agent for the treatment of gastric cancer.
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Affiliation(s)
- Yajun Zhang
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Lingfei Wang
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Xiaodan Chong
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Xiaojie Yu
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Yanchun Meng
- School of Medicine, Nankai University, Tianjin, 300071, People's Republic of China
| | - Jian Dong
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Chao Wang
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Huajing Wang
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Yang Yang
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Tian Xia
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Jian Zhao
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Bohua Li
- International Joint Cancer Institute, The Second Military Medical University, Shanghai, 200433, People's Republic of China.
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48
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Bansal P, Osman D, Gan GN, Simon GR, Boumber Y. Recent Advances in Targetable Therapeutics in Metastatic Non-Squamous NSCLC. Front Oncol 2016; 6:112. [PMID: 27200298 PMCID: PMC4854869 DOI: 10.3389/fonc.2016.00112] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 04/19/2016] [Indexed: 11/13/2022] Open
Abstract
Lung adenocarcinoma is the most common subtype of non-small cell lung cancer (NSCLC). With the discovery of epidermal growth factor receptor (EGFR) mutations, anaplastic lymphoma kinase (ALK) rearrangements, and effective targeted therapies, therapeutic options are expanding for patients with lung adenocarcinoma. Here, we review novel therapies in non-squamous NSCLC, which are directed against oncogenic targets, including EGFR, ALK, ROS1, BRAF, MET, human epidermal growth factor receptor 2 (HER2), vascular endothelial growth factor receptor 2 (VEGFR2), RET, and NTRK. With the rapidly evolving molecular testing and development of new targeted agents, our ability to further personalize therapy in non-squamous NSCLC is rapidly expanding.
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Affiliation(s)
- Pranshu Bansal
- Department of Internal Medicine, Division of Hematology/Oncology, University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine, Albuquerque, NM, USA; Hematology/Oncology Fellowship Program, University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine, Albuquerque, NM, USA
| | - Diaa Osman
- Department of Internal Medicine, Division of Hematology/Oncology, University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine, Albuquerque, NM, USA; Hematology/Oncology Fellowship Program, University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine, Albuquerque, NM, USA
| | - Gregory N Gan
- Department of Internal Medicine, Division of Hematology/Oncology, University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine, Albuquerque, NM, USA; Section of Radiation Oncology, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
| | - George R Simon
- Department of Thoracic and Head/Neck Medical Oncology, Division of Cancer Medicine, University of Texas MD Anderson Cancer Center , Houston, TX , USA
| | - Yanis Boumber
- Department of Internal Medicine, Division of Hematology/Oncology, University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine, Albuquerque, NM, USA; Cancer Genetics, Epigenetics, and Genomics Research Program, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
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49
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Ioannou MS, McPherson PS. Regulation of Cancer Cell Behavior by the Small GTPase Rab13. J Biol Chem 2016; 291:9929-37. [PMID: 27044746 DOI: 10.1074/jbc.r116.715193] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The members of the Rab family of GTPases are master regulators of cellular membrane trafficking. With ∼70 members in humans, Rabs have been implicated in all steps of membrane trafficking ranging from vesicle formation and transport to vesicle docking/tethering and fusion. Vesicle trafficking controls the localization and levels of a myriad of proteins, thus regulating cellular functions including proliferation, metabolism, cell-cell adhesion, and cell migration. It is therefore not surprising that impairment of Rab pathways is associated with diseases including cancer. In this review, we highlight evidence supporting the role of Rab13 as a potent driver of cancer progression.
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Affiliation(s)
- Maria S Ioannou
- From the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Peter S McPherson
- From the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A 2B4, Canada
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50
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Rysman B, Mouawad F, Gros A, Lansiaux A, Chevalier D, Meignan S. Human epidermal growth factor receptor 3 in head and neck squamous cell carcinomas. Head Neck 2016; 38 Suppl 1:E2412-8. [PMID: 26835877 DOI: 10.1002/hed.24367] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 10/01/2015] [Accepted: 11/25/2015] [Indexed: 11/06/2022] Open
Abstract
Human epidermal growth factor receptor 3 (HER3) is a member of the human epidermal growth factor receptor (HER) family. The main characteristic of HER3 is that it does not possess tyrosine kinase activity, unlike other HERs. The role of HER3 in tumorigenesis has now been recognized, particularly in head and neck squamous cell carcinomas (HNSCCs). Despite conflicting studies, HER3 was found to be overexpressed in HNSCC samples, and correlates with disease progression and poor survival, especially when it is coexpressed with other HERs. HER3 is a significant factor in HNSCC treatment resistance. Indeed, HER3 is a major mechanism described for cetuximab resistance because of modification of epidermal growth factor receptor (EGFR) internalization and by phosphotidylinositol-3-kinase (PI3K)/AKT signaling pathway activation. HER3 also affects resistance to tyrosine kinase inhibitors (TKIs) and thereby promotes treatment escape and radiotherapy resistance by activation of the survival signaling pathway. To counteract this, pharmacologic inhibitors of HER3 are currently in development and could significantly improve HNSCC treatment. © 2016 Wiley Periodicals, Inc. Head Neck 38: E2412-E2418, 2016.
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Affiliation(s)
- Bénédicte Rysman
- ENT and Head and Neck Surgery Department, Huriez Hospital, University of Lille, Lille, France.,Tumorigenesis and Resistance to Treatment Unit, Centre Oscar Lambret, Inserm U908, IRCL, Lille, France
| | - François Mouawad
- ENT and Head and Neck Surgery Department, Huriez Hospital, University of Lille, Lille, France.,Tumorigenesis and Resistance to Treatment Unit, Centre Oscar Lambret, Inserm U908, IRCL, Lille, France
| | - Abigaëlle Gros
- Tumorigenesis and Resistance to Treatment Unit, Centre Oscar Lambret, Inserm U908, IRCL, Lille, France
| | - Amélie Lansiaux
- Tumorigenesis and Resistance to Treatment Unit, Centre Oscar Lambret, Inserm U908, IRCL, Lille, France
| | - Dominique Chevalier
- ENT and Head and Neck Surgery Department, Huriez Hospital, University of Lille, Lille, France
| | - Samuel Meignan
- Tumorigenesis and Resistance to Treatment Unit, Centre Oscar Lambret, Inserm U908, IRCL, Lille, France
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