1
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Li F, Fan Y, Zhou L, Martin DR, Liu Z, Li Z. Synthesis and characterization of 64Cu-labeled Geldanamycin derivative for imaging HSP90 expression in breast cancer. Nucl Med Biol 2024; 136-137:108929. [PMID: 38796925 DOI: 10.1016/j.nucmedbio.2024.108929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/19/2024] [Accepted: 05/21/2024] [Indexed: 05/29/2024]
Abstract
Heat shock protein 90 (HSP90) plays a crucial role in cancer cell growth and metastasis by stabilizing overexpressed signaling proteins. Inhibiting HSP90 has emerged as a promising anti-cancer strategy. In this study, we aimed to develop and characterize a HSP90-targeted molecular imaging probe, [64Cu]Cu-DOTA-BDA-GM, based on a specific HSP90 inhibitor, geldanamycin (GM), for PET imaging of cancers. GM is modified at the C-17 position with 1,4-butane-diamine (BDA) and linked to 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) for 64Cu radiolabeling. We evaluated the probe's specific binding to HSP90-expressing cells using Chinese hamster ovary (CHO) cells and breast cancer cells including MDA-MB-231, MDA-MB-435S, MCF7, and KR-BR-3 cell lines. A competition study with non-radioactive GM-BDA yielded an IC50 value of 1.35 ± 0.14 nM, underscoring the probe's affinity for HSP90. In xenograft models of MDA-MB-231 breast cancer, [64Cu]Cu-DOTA-BDA-GM showcased targeted tumor localization, with significant radioactivity observed up to 18 h post-injection. Blocking studies using unlabeled GM-BDA and treatment with the anticancer drug Vorinostat (SAHA), which can affect the expression and activity of numerous proteins, such as HSPs, confirmed the specificity and sensitivity of the probe in cancer targeting. Additionally, PET/CT imaging in a lung metastasis mouse model revealed increased lung uptake of [64Cu]Cu-DOTA-BDA-GM in metastatic sites, significantly higher than in non-metastatic lungs, illustrating the probe's ability to detect metastatic breast cancer. In conclusion, [64Cu]Cu-DOTA-BDA-GM represents a sensitive and specific approach for identifying HSP90 expression in breast cancer and metastases, offering promising implications for clinical diagnosis and monitoring.
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Affiliation(s)
- Feng Li
- Department of Radiology, Houston Methodist Academic Institute, Houston Methodist Hospital, Houston, TX, USA
| | - Yubo Fan
- Division of Physical Science & Processing Technology, Brazosport College, Lake Jackson, TX, USA
| | - Lan Zhou
- Department of Pathology and Genomic Medicine, Houston Methodist Academic Institute, Houston Methodist Hospital, Houston, TX, USA
| | - Diego R Martin
- Department of Radiology, Houston Methodist Academic Institute, Houston Methodist Hospital, Houston, TX, USA
| | - Zhonglin Liu
- Department of Radiology, Houston Methodist Academic Institute, Houston Methodist Hospital, Houston, TX, USA.
| | - Zheng Li
- Department of Radiology, Houston Methodist Academic Institute, Houston Methodist Hospital, Houston, TX, USA.
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2
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Braun F, Jaschinski M, Täger P, Marmann V, Brandenstein MV, Köditz B, Fischer T, Muñoz-Vázquez S, Zimmermanns B, Dietlein M, Sudbrock F, Krapf P, Fischer D, Heidenreich A, Drzezga A, Kirsch S, Pietsch M, Schomäcker K. Synthesis and evaluation of radioiodinated estrogens for diagnosis and therapy of male urogenital tumours. Org Biomol Chem 2023; 21:3090-3095. [PMID: 36947011 DOI: 10.1039/d3ob00114h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The preparation of 24 estrogens, their estrogen receptor (ER) affinity and studies of radioiodinated estrogen binding to ER-positive male bladder tumor cells (HTB9) are described. The estrogens with the highest affinity were selected using fluorescence anisotropy assays. A 2,2,2-trifluoroethyl group at the 11β-position caused particularly promising affinity. (Radio)iodination was performed on the 17α-vinyl group. Binding studies on HTB9 cells revealed picomolar affinities of radioconjugates 19 and 31, indicating promising ability for targeting of urogenital tumors.
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Affiliation(s)
- Feodor Braun
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Marcel Jaschinski
- Organic Chemistry, Bergische Universität Wuppertal, 42119 Wuppertal, Germany
| | - Philipp Täger
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Verena Marmann
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Melanie von Brandenstein
- Clinic and Polyclinic for Urology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937 Cologne, Germany
| | - Barbara Köditz
- Clinic and Polyclinic for Urology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937 Cologne, Germany
| | - Thomas Fischer
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Sergio Muñoz-Vázquez
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Beate Zimmermanns
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Markus Dietlein
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Ferdinand Sudbrock
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Phillip Krapf
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Dietmar Fischer
- Institutes I & II of Pharmacology, Center of Pharmacology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany
| | - Axel Heidenreich
- Clinic and Polyclinic for Urology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937 Cologne, Germany
| | - Alexander Drzezga
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
| | - Stefan Kirsch
- Organic Chemistry, Bergische Universität Wuppertal, 42119 Wuppertal, Germany
| | - Markus Pietsch
- Institutes I & II of Pharmacology, Center of Pharmacology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany
| | - Klaus Schomäcker
- Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50937, Cologne, Germany.
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3
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Sharma S, Kalidindi T, Joshi S, Digwal CS, Panchal P, Burnazi E, Lee SG, Pillarsetty N, Chiosis G. Synthesis of 124I-labeled epichaperome probes and assessment in visualizing pathologic protein-protein interaction networks in tumor bearing mice. STAR Protoc 2022; 3:101318. [PMID: 35496791 PMCID: PMC9046997 DOI: 10.1016/j.xpro.2022.101318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Epichaperomes are disease-associated pathologic scaffolds composed of tightly bound chaperones and co-chaperones. They provide opportunities for precision medicine where aberrant protein-protein interaction networks, rather than a single protein, are detected and targeted. This protocol describes the synthesis and characterization of two 124I-labeled epichaperome probes, [124I]-PU-H71 and [124I]-PU-AD, both which have translated to clinical studies. It shows specific steps in the use of these reagents to image and quantify epichaperome-positivity in tumor bearing mice through positron emission tomography. For complete details on the use and execution of this protocol, please refer to Bolaender et al. (2021), Inda et al. (2020), and Pillarsetty et al. (2019).
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Affiliation(s)
- Sahil Sharma
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Teja Kalidindi
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Suhasini Joshi
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Chander S. Digwal
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Palak Panchal
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Eva Burnazi
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Sang Gyu Lee
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | | | - Gabriela Chiosis
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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4
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18F-Radiolabeling and Preliminary Evaluation of a HSP 90 ligand. Eur J Pharm Sci 2021; 157:105647. [PMID: 33221456 DOI: 10.1016/j.ejps.2020.105647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/03/2020] [Accepted: 11/11/2020] [Indexed: 11/22/2022]
Abstract
PURPOSE With the ambition of improving the management of pancreatic neuroendocrine tumors (P-NETs), we developed and preliminary validated a novel fluorine-18 labelled HSP90 ligand. METHODS A precursor containing methoxymethyl ethers protecting groups and a tosyl as leaving group was synthesized. The target compound was labeled with nucleophilic 18F-fluoride and the protecting groups was subsequently removed with hydrochloric acid before purification. In vitro cell- and frozen section autoradiography and in vivo animal studies were performed. RESULTS The precursor was successfully synthesized and utilized in the 18F-radiolabeling giving 0.5-1.0 GBq of pure product with a synthesis time of 70 min. In vitro experiments indicated a high specific binding, but in vivo studies showed no tumor uptake due to fast hepatobiliary metabolism and excretion. CONCLUSIONS Despite the unfavorable in vivo properties of the tracer, the promising results from in vitro autoradiography experiments in frozen sections of P-NETs from surgical resection encourage us to continue the project aiming the improvement of in vivo properties of the tracer.
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Dunphy MPS, Pressl C, Pillarsetty N, Grkovski M, Modi S, Jhaveri K, Norton L, Beattie BJ, Zanzonico PB, Zatorska D, Taldone T, Ochiana SO, Uddin MM, Burnazi EM, Lyashchenko SK, Hudis CA, Bromberg J, Schöder HM, Fox JJ, Zhang H, Chiosis G, Lewis JS, Larson SM. First-in-Human Trial of Epichaperome-Targeted PET in Patients with Cancer. Clin Cancer Res 2020; 26:5178-5187. [PMID: 32366671 PMCID: PMC7541604 DOI: 10.1158/1078-0432.ccr-19-3704] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 03/30/2020] [Accepted: 04/30/2020] [Indexed: 12/30/2022]
Abstract
PURPOSE 124I-PU-H71 is an investigational first-in-class radiologic agent specific for imaging tumor epichaperome formations. The intracellular epichaperome forms under cellular stress and is a clinically validated oncotherapeutic target. We conducted a first-in-human study of microdose 124I-PU-H71 for PET to study in vivo biodistribution, pharmacokinetics, metabolism, and safety; and the feasibility of epichaperome-targeted tumor imaging. EXPERIMENTAL DESIGN Adult patients with cancer (n = 30) received 124I-PU-H71 tracer (201±12 MBq, <25 μg) intravenous bolus followed by PET/CT scans and blood radioassays. RESULTS 124I-PU-H71 PET detected tumors of different cancer types (breast, lymphoma, neuroblastoma, genitourinary, gynecologic, sarcoma, and pancreas). 124I-PU-H71 was retained by tumors for several days while it cleared rapidly from bones, healthy soft tissues, and blood. Radiation dosimetry is favorable and patients suffered no adverse effects. CONCLUSIONS Our first-in-human results demonstrate the safety and feasibility of noninvasive in vivo detection of tumor epichaperomes using 124I-PU-H71 PET, supporting clinical development of PU-H71 and other epichaperome-targeted therapeutics.
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Affiliation(s)
- Mark P S Dunphy
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York.
| | - Christina Pressl
- Laboratory of Neural Systems, The Rockefeller University, New York, New York
| | - Nagavarakishore Pillarsetty
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medical College, New York, New York
| | - Milan Grkovski
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Shanu Modi
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Komal Jhaveri
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Larry Norton
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Bradley J Beattie
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Pat B Zanzonico
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Danuta Zatorska
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Tony Taldone
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Stefan O Ochiana
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Mohammad M Uddin
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Eva M Burnazi
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Serge K Lyashchenko
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Clifford A Hudis
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jacqueline Bromberg
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Heiko M Schöder
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Josef J Fox
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hanwen Zhang
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gabriela Chiosis
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medical College, New York, New York
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Pharmacology, Weill Cornell Medical College, New York, New York
| | - Steven M Larson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medical College, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Pharmacology, Weill Cornell Medical College, New York, New York
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6
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Anwar MM, Shalaby M, Embaby AM, Saeed H, Agwa MM, Hussein A. Prodigiosin/PU-H71 as a novel potential combined therapy for triple negative breast cancer (TNBC): preclinical insights. Sci Rep 2020; 10:14706. [PMID: 32895397 PMCID: PMC7477571 DOI: 10.1038/s41598-020-71157-w] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 08/11/2020] [Indexed: 12/24/2022] Open
Abstract
Prodigiosin, a secondary metabolite red pigment produced by Serratia marcescens, has an interesting apoptotic efficacy against cancer cell lines with low or no toxicity on normal cells. HSP90α is known as a crucial and multimodal target in the treatment of TNBC. Our research attempts to assess the therapeutic potential of prodigiosin/PU-H71 combination on MDA-MB-231 cell line. The transcription and protein expression levels of different signalling pathways were assessed. Treatment of TNBC cells with both drugs resulted in a decrease of the number of adherent cells with apoptotic effects. Prodigiosin/PU-H71 combination increased the levels of caspases 3,8 and 9 and decreased the levels of mTOR expression. Additionally, there was a remarkable decrease of HSP90α transcription and expression levels upon treatment with combined therapy. Also, EGFR and VEGF expression levels decreased. This is the first study to show that prodigiosin/PU-H71 combination had potent cytotoxicity on MDA-MB-231 cells; proving to play a paramount role in interfering with key signalling pathways in TNBC. Interestingly, prodigiosin might be a potential anticancer agent to increase the sensitivity of TNBC cells to apoptosis. This study provides a new basis for upcoming studies to overcome drug resistance in TNBC cells.
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Affiliation(s)
- Mohammed Moustapha Anwar
- Department of Biotechnology, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt.
| | - Manal Shalaby
- Medical Biotechnology Department, Institute of Genetic Engineering, City of Scientific Research and Technological Applications, Alexandria, Egypt
| | - Amira M Embaby
- Department of Biotechnology, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Hesham Saeed
- Department of Biotechnology, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Mona M Agwa
- Department of Chemistry of Natural and Microbial Products, Pharmaceutical and Drug Industries Research Division, National Research Centre, 33 El-Behooth St, Dokki, Giza 12311, Egypt
| | - Ahmed Hussein
- Department of Biotechnology, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
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7
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Taldone T, Wang T, Rodina A, Pillarsetty NVK, Digwal CS, Sharma S, Yan P, Joshi S, Pagare PP, Bolaender A, Roboz GJ, Guzman ML, Chiosis G. A Chemical Biology Approach to the Chaperome in Cancer-HSP90 and Beyond. Cold Spring Harb Perspect Biol 2020; 12:a034116. [PMID: 30936118 PMCID: PMC6773535 DOI: 10.1101/cshperspect.a034116] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Cancer is often associated with alterations in the chaperome, a collection of chaperones, cochaperones, and other cofactors. Changes in the expression levels of components of the chaperome, in the interaction strength among chaperome components, alterations in chaperome constituency, and in the cellular location of chaperome members, are all hallmarks of cancer. Here we aim to provide an overview on how chemical biology has played a role in deciphering such complexity in the biology of the chaperome in cancer and in other diseases. The focus here is narrow and on pathologic changes in the chaperome executed by enhancing the interaction strength between components of distinct chaperome pathways, specifically between those of HSP90 and HSP70 pathways. We will review chemical tools and chemical probe-based assays, with a focus on HSP90. We will discuss how kinetic binding, not classical equilibrium binding, is most appropriate in the development of drugs and probes for the chaperome in disease. We will then present our view on how chaperome inhibitors may become potential drugs and diagnostics in cancer.
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Affiliation(s)
- Tony Taldone
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Tai Wang
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Anna Rodina
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | | | - Chander S Digwal
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Sahil Sharma
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Pengrong Yan
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Suhasini Joshi
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Piyusha P Pagare
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Alexander Bolaender
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Gail J Roboz
- Division of Hematology and Medical Oncology, Leukemia Program, Weill Cornell Medicine/New York-Presbyterian Hospital, New York, New York 10065
| | - Monica L Guzman
- Division of Hematology and Medical Oncology, Leukemia Program, Weill Cornell Medicine/New York-Presbyterian Hospital, New York, New York 10065
| | - Gabriela Chiosis
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065
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8
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The epichaperome is a mediator of toxic hippocampal stress and leads to protein connectivity-based dysfunction. Nat Commun 2020; 11:319. [PMID: 31949159 PMCID: PMC6965647 DOI: 10.1038/s41467-019-14082-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Accepted: 12/16/2019] [Indexed: 12/18/2022] Open
Abstract
Optimal functioning of neuronal networks is critical to the complex cognitive processes of memory and executive function that deteriorate in Alzheimer’s disease (AD). Here we use cellular and animal models as well as human biospecimens to show that AD-related stressors mediate global disturbances in dynamic intra- and inter-neuronal networks through pathologic rewiring of the chaperome system into epichaperomes. These structures provide the backbone upon which proteome-wide connectivity, and in turn, protein networks become disturbed and ultimately dysfunctional. We introduce the term protein connectivity-based dysfunction (PCBD) to define this mechanism. Among most sensitive to PCBD are pathways with key roles in synaptic plasticity. We show at cellular and target organ levels that network connectivity and functional imbalances revert to normal levels upon epichaperome inhibition. In conclusion, we provide proof-of-principle to propose AD is a PCBDopathy, a disease of proteome-wide connectivity defects mediated by maladaptive epichaperomes. The biology of Alzheimer’s disease (AD) remains unknown. We propose AD is a protein connectivity-based dysfunction disorder whereby a switch of the chaperome into epichaperomes rewires proteome-wide connectivity, leading to brain circuitry malfunction that can be corrected by novel therapeutics.
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9
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Pillarsetty N, Jhaveri K, Taldone T, Caldas-Lopes E, Punzalan B, Joshi S, Bolaender A, Uddin MM, Rodina A, Yan P, Ku A, Ku T, Shah SK, Lyashchenko S, Burnazi E, Wang T, Lecomte N, Janjigian Y, Younes A, Batlevi CW, Guzman ML, Roboz GJ, Koziorowski J, Zanzonico P, Alpaugh ML, Corben A, Modi S, Norton L, Larson SM, Lewis JS, Chiosis G, Gerecitano JF, Dunphy MPS. Paradigms for Precision Medicine in Epichaperome Cancer Therapy. Cancer Cell 2019; 36:559-573.e7. [PMID: 31668946 PMCID: PMC6996250 DOI: 10.1016/j.ccell.2019.09.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 08/20/2019] [Accepted: 09/23/2019] [Indexed: 12/17/2022]
Abstract
Alterations in protein-protein interaction networks are at the core of malignant transformation but have yet to be translated into appropriate diagnostic tools. We make use of the kinetic selectivity properties of an imaging probe to visualize and measure the epichaperome, a pathologic protein-protein interaction network. We are able to assay and image epichaperome networks in cancer and their engagement by inhibitor in patients' tumors at single-lesion resolution in real time, and demonstrate that quantitative evaluation at the level of individual tumors can be used to optimize dose and schedule selection. We thus provide preclinical and clinical evidence in the use of this theranostic platform for precision medicine targeting of the aberrant properties of protein networks.
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Affiliation(s)
| | - Komal Jhaveri
- Breast Cancer Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Tony Taldone
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Eloisi Caldas-Lopes
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Blesida Punzalan
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Suhasini Joshi
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Alexander Bolaender
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Mohammad M Uddin
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Anna Rodina
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Pengrong Yan
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Anson Ku
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Thomas Ku
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Smit K Shah
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Serge Lyashchenko
- Radiochemistry and Molecular Imaging Probes Core, Sloan Kettering Institute, New York, NY 10065, USA
| | - Eva Burnazi
- Radiochemistry and Molecular Imaging Probes Core, Sloan Kettering Institute, New York, NY 10065, USA
| | - Tai Wang
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Nicolas Lecomte
- Gastrointestinal Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Yelena Janjigian
- Gastrointestinal Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Anas Younes
- Lymphoma Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Connie W Batlevi
- Lymphoma Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Monica L Guzman
- Division of Hematology and Medical Oncology, Leukemia Program, Weill Cornell Medicine/New York-Presbyterian Hospital, New York, NY 10065, USA
| | - Gail J Roboz
- Division of Hematology and Medical Oncology, Leukemia Program, Weill Cornell Medicine/New York-Presbyterian Hospital, New York, NY 10065, USA
| | - Jacek Koziorowski
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Pat Zanzonico
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Mary L Alpaugh
- Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Adriana Corben
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Shanu Modi
- Breast Cancer Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Larry Norton
- Breast Cancer Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Steven M Larson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Program in Molecular Pharmacology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Program in Molecular Pharmacology, Sloan Kettering Institute, New York, NY 10065, USA
| | - Gabriela Chiosis
- Breast Cancer Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Program in Chemical Biology, Sloan Kettering Institute, New York, NY 10065, USA.
| | - John F Gerecitano
- Lymphoma Medicine Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Mark P S Dunphy
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
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10
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Vermeulen K, Naus E, Ahamed M, Attili B, Siemons M, Luyten K, Celen S, Schymkowitz J, Rousseau F, Bormans G. Evaluation of [ 11C]NMS-E973 as a PET tracer for in vivo visualisation of HSP90. Am J Cancer Res 2019; 9:554-572. [PMID: 30809293 PMCID: PMC6376183 DOI: 10.7150/thno.27213] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 11/30/2018] [Indexed: 12/26/2022] Open
Abstract
Heat shock protein 90 is an ATP-dependent molecular chaperone important for folding, maturation and clearance of aberrantly expressed proteins and is abundantly expressed (1-2% of all proteins) in the cytosol of all normal cells. In some tumour cells, however, strong expression of HSP90 is also observed on the cell membrane and in the extracellular matrix and the affinity of tumoural HSP90 for ATP domain inhibitors was reported to increase over 100-fold compared to that of HSP90 in normal cells. Here, we explore [11C]NMS-E973 as a PET tracer for in vivo visualisation of HSP90 and as a potential tool for in vivo quantification of occupancy of HSP90 inhibitors. Methods: HSP90 expression was biochemically characterized in a panel of established cell lines including the melanoma line B16.F10. B16.F10 melanoma xenograft tumour tissue was compared to non-malignant mouse tissue. NMS-E973 was tested in vitro for HSP90 inhibitory activity in several tumour cell lines. HSP90-specific binding of [11C]NMS-E973 was evaluated in B16.F10 melanoma cells and B16.F10 melanoma, prostate cancer LNCaP and PC3, SKOV-3 xenograft tumour slices and in vivo in a B16.F10 melanoma mouse model. Results: Strong intracellular upregulation and abundant membrane localisation of HSP90 was observed in the different tumour cell lines, in the B16.F10 tumour cell line and in B16.F10 xenograft tumours compared to non-malignant tissue. NMS-E973 showed HSP90-specific inhibition and reduced proliferation of cells. [11C]NMS-E973 showed strong binding to B16.F10 melanoma cells, which was inhibited by 200 µM of PU-H71, a non-structurally related HSP90 inhibitor. HSP90-specific binding was observed by in vitro autoradiography of murine B16.F10 melanoma, LNCaP and PC3 prostate cancer and SKOV-3 ovary carcinoma tissue slices. Further, B16.F10 melanoma-inoculated mice were subjected to a µPET study, where the tracer showed fast and persistent tumour uptake. Pretreatment of B16.F10 melanoma mice with PU-H71 or Ganetespib (50 mg/kg) completely blocked tumour accumulation of [11C]NMS-E973 and confirmed in vivo HSP90 binding specificity. HSP90-specific binding of [11C]NMS-E973 was observed in blood, lungs and spleen of tumour-bearing animals but not in control animals. Conclusion: [11C]NMS-E973 is a PET tracer for in vivo visualisation of tumour HSP90 expression and can potentially be used for quantification of HSP90 occupancy. Further translational evaluation of [11C]NMS-E973 is warranted.
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11
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Wang T, Rodina A, Dunphy MP, Corben A, Modi S, Guzman ML, Gewirth DT, Chiosis G. Chaperome heterogeneity and its implications for cancer study and treatment. J Biol Chem 2018; 294:2162-2179. [PMID: 30409908 DOI: 10.1074/jbc.rev118.002811] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The chaperome is the collection of proteins in the cell that carry out molecular chaperoning functions. Changes in the interaction strength between chaperome proteins lead to an assembly that is functionally and structurally distinct from each constituent member. In this review, we discuss the epichaperome, the cellular network that forms when the chaperome components of distinct chaperome machineries come together as stable, functionally integrated, multimeric complexes. In tumors, maintenance of the epichaperome network is vital for tumor survival, rendering them vulnerable to therapeutic interventions that target critical epichaperome network components. We discuss how the epichaperome empowers an approach for precision medicine cancer trials where a new target, biomarker, and relevant drug candidates can be correlated and integrated. We introduce chemical biology methods to investigate the heterogeneity of the chaperome in a given cellular context. Lastly, we discuss how ligand-protein binding kinetics are more appropriate than equilibrium binding parameters to characterize and unravel chaperome targeting in cancer and to gauge the selectivity of ligands for specific tumor-associated chaperome pools.
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Affiliation(s)
- Tai Wang
- From the Chemical Biology Program and
| | | | | | - Adriana Corben
- the Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, New York 10029
| | - Shanu Modi
- Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065
| | - Monica L Guzman
- Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, and
| | - Daniel T Gewirth
- the Hauptman-Woodward Medical Research Institute, Buffalo, New York 14203
| | - Gabriela Chiosis
- From the Chemical Biology Program and .,Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065
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12
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Speranza G, Anderson L, Chen AP, Do K, Eugeni M, Weil M, Rubinstein L, Majerova E, Collins J, Horneffer Y, Juwara L, Zlott J, Bishop R, Conley BA, Streicher H, Tomaszewski J, Doroshow JH, Kummar S. First-in-human study of the epichaperome inhibitor PU-H71: clinical results and metabolic profile. Invest New Drugs 2018; 36:230-239. [PMID: 28808818 PMCID: PMC6126370 DOI: 10.1007/s10637-017-0495-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 07/18/2017] [Indexed: 12/22/2022]
Abstract
Background Molecular chaperone targeting has shown promise as a therapeutic approach in human cancers of various histologies and genetic backgrounds. The purine-scaffold inhibitor PU-H71 (NSC 750424), selective for Hsp90 in epichaperome networks, has demonstrated antitumor activity in multiple preclinical cancer models. The present study was a first in-human trial of PU-H71 aimed at establishing its safety and tolerability and characterizing its pharmacokinetic (PK) profile on a weekly administration schedule in human subjects with solid tumors refractory to standard treatments. Methods PU-H71 was administered intravenously over 1 h on days 1 and 8 of 21-day cycles in patients with refractory solid tumors. Dose escalation followed a modified accelerated design. Blood and urine were collected during cycles 1 and 2 for pharmacokinetics analysis. Results Seventeen patients were enrolled in this trial. Grade 2 and 3 adverse events were observed but no dose limiting toxicities occurred, thus the human maximum tolerated dose was not determined. The mean terminal half-life (T1/2) was 8.4 ± 3.6 h, with no dependency to dose level. A pathway for the metabolic disposal of PU-H71 in humans was derived from microsome studies. Fourteen patients were also evaluable for clinical response; 6 (35%) achieved a best response of stable disease for >2 cycles, with 2 patients remaining on study for 6 cycles. The study closed prematurely due to discontinuation of drug supply. Conclusions PU-H71 was well tolerated at the doses administered during this study (10 to 470 mg/m2/day), with no dose limiting toxicities.
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Affiliation(s)
- Giovanna Speranza
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Larry Anderson
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Alice P Chen
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Khanh Do
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Michelle Eugeni
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Marcie Weil
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Larry Rubinstein
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Eva Majerova
- Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Jerry Collins
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Yvonne Horneffer
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Lamin Juwara
- Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Jennifer Zlott
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Rachel Bishop
- National Eye Institute, National Institutes of Health, Bethesda, MD, USA
| | - Barbara A Conley
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Howard Streicher
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Joseph Tomaszewski
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - James H Doroshow
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Shivaani Kummar
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
- Stanford University School of Medicine, 780 Welch Road, Palo Alto, CA, 94304, USA.
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13
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Abstract
There is an ongoing and successful effort in developing new radiopharmaceuticals that coupled with new developments in chemistry and instrumentation offers the potential of rapidly defining imaging biomarkers and theranostic paradigms. The overarching challenge remains in funding and approving such agents; the Food and Drug Administration in the United States is making efforts to improve the process, but the time to release PET agents from the regulator shackles is surely now, to bring to patients the excellence of preclinical work that has already been done.
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14
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Affiliation(s)
- Lingzhou Zhao
- Department of Nuclear Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Xiangyang Shi
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, People’s Republic of China
- CQM-Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | - Jinhua Zhao
- Department of Nuclear Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
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15
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Heinzmann K, Carter LM, Lewis JS, Aboagye EO. Multiplexed imaging for diagnosis and therapy. Nat Biomed Eng 2017; 1:697-713. [PMID: 31015673 DOI: 10.1038/s41551-017-0131-8] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 08/02/2017] [Indexed: 12/12/2022]
Abstract
Complex molecular and metabolic phenotypes depict cancers as a constellation of different diseases with common themes. Precision imaging of such phenotypes requires flexible and tunable modalities capable of identifying phenotypic fingerprints by using a restricted number of parameters while ensuring sensitivity to dynamic biological regulation. Common phenotypes can be detected by in vivo imaging technologies, and effectively define the emerging standards for disease classification and patient stratification in radiology. However, for the imaging data to accurately represent a complex fingerprint, the individual imaging parameters need to be measured and analysed in relation to their wider spatial and molecular context. In this respect, targeted palettes of molecular imaging probes facilitate the detection of heterogeneity in oncogene-driven alterations and their response to treatment, and lead to the expansion of rational-design elements for the combination of imaging experiments. In this Review, we evaluate criteria for conducting multiplexed imaging, and discuss its opportunities for improving patient diagnosis and the monitoring of therapy.
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Affiliation(s)
- Kathrin Heinzmann
- Department of Surgery and Cancer, Imperial College London, Du Cane Road, London, W12 0NN, UK
| | - Lukas M Carter
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Eric O Aboagye
- Department of Surgery and Cancer, Imperial College London, Du Cane Road, London, W12 0NN, UK.
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16
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Crowe LB, Hughes PF, Alcorta DA, Osada T, Smith AP, Totzke J, Loiselle DR, Lutz ID, Gargesha M, Roy D, Roques J, Darr D, Lyerly HK, Spector NL, Haystead TA. A Fluorescent Hsp90 Probe Demonstrates the Unique Association between Extracellular Hsp90 and Malignancy in Vivo. ACS Chem Biol 2017; 12:1047-1055. [PMID: 28103010 DOI: 10.1021/acschembio.7b00006] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extracellular expression of heat shock protein 90 (eHsp90) by tumor cells is correlated with malignancy. Development of small molecule probes that can detect eHsp90 in vivo may therefore have utility in the early detection of malignancy. We synthesized a cell impermeable far-red fluorophore-tagged Hsp90 inhibitor to target eHsp90 in vivo. High resolution confocal and lattice light sheet microscopy show that probe-bound eHsp90 accumulates in punctate structures on the plasma membrane of breast tumor cells and is actively internalized. The extent of internalization correlates with tumor cell aggressiveness, and this process can be induced in benign cells by overexpressing p110HER2. Whole body cryoslicing, imaging, and histology of flank and spontaneous tumor-bearing mice strongly suggests that eHsp90 expression and internalization is a phenomenon unique to tumor cells in vivo and may provide an "Achilles heel" for the early diagnosis of metastatic disease and targeted drug delivery.
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Affiliation(s)
- Lauren B. Crowe
- Department of Cell
Biology, Duke University, Durham, North Carolina 27710, United States
| | - Philip F. Hughes
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
| | - David A. Alcorta
- Department of Medicine, Duke University, Durham, North Carolina 27710, United States
| | - Takuya Osada
- Department of Surgery, Duke University, Durham, North Carolina 27710, United States
| | - Aaron P. Smith
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
| | - Juliane Totzke
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
| | - David R. Loiselle
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
| | - Isaac D. Lutz
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
| | | | - Debasish Roy
- BioInVision, Inc., Mayfield Village, Ohio 44143, United States
| | - Jose Roques
- Lineberger Comprehensive
Cancer Center, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - David Darr
- Lineberger Comprehensive
Cancer Center, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - H. Kim Lyerly
- Department of Surgery, Duke University, Durham, North Carolina 27710, United States
| | - Neil L. Spector
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
| | - Timothy A.J. Haystead
- Department
of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States
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17
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Rodina A, Wang T, Yan P, Gomes ED, Dunphy MPS, Pillarsetty N, Koren J, Gerecitano JF, Taldone T, Zong H, Caldas-Lopes E, Alpaugh M, Corben A, Riolo M, Beattie B, Pressl C, Peter RI, Xu C, Trondl R, Patel HJ, Shimizu F, Bolaender A, Yang C, Panchal P, Farooq MF, Kishinevsky S, Modi S, Lin O, Chu F, Patil S, Erdjument-Bromage H, Zanzonico P, Hudis C, Studer L, Roboz GJ, Cesarman E, Cerchietti L, Levine R, Melnick A, Larson SM, Lewis JS, Guzman ML, Chiosis G. The epichaperome is an integrated chaperome network that facilitates tumour survival. Nature 2016; 538:397-401. [PMID: 27706135 DOI: 10.1038/nature19807] [Citation(s) in RCA: 189] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 09/02/2016] [Indexed: 01/01/2023]
Abstract
Transient, multi-protein complexes are important facilitators of cellular functions. This includes the chaperome, an abundant protein family comprising chaperones, co-chaperones, adaptors, and folding enzymes-dynamic complexes of which regulate cellular homeostasis together with the protein degradation machinery. Numerous studies have addressed the role of chaperome members in isolation, yet little is known about their relationships regarding how they interact and function together in malignancy. As function is probably highly dependent on endogenous conditions found in native tumours, chaperomes have resisted investigation, mainly due to the limitations of methods needed to disrupt or engineer the cellular environment to facilitate analysis. Such limitations have led to a bottleneck in our understanding of chaperome-related disease biology and in the development of chaperome-targeted cancer treatment. Here we examined the chaperome complexes in a large set of tumour specimens. The methods used maintained the endogenous native state of tumours and we exploited this to investigate the molecular characteristics and composition of the chaperome in cancer, the molecular factors that drive chaperome networks to crosstalk in tumours, the distinguishing factors of the chaperome in tumours sensitive to pharmacologic inhibition, and the characteristics of tumours that may benefit from chaperome therapy. We find that under conditions of stress, such as malignant transformation fuelled by MYC, the chaperome becomes biochemically 'rewired' to form a network of stable, survival-facilitating, high-molecular-weight complexes. The chaperones heat shock protein 90 (HSP90) and heat shock cognate protein 70 (HSC70) are nucleating sites for these physically and functionally integrated complexes. The results indicate that these tightly integrated chaperome units, here termed the epichaperome, can function as a network to enhance cellular survival, irrespective of tissue of origin or genetic background. The epichaperome, present in over half of all cancers tested, has implications for diagnostics and also provides potential vulnerability as a target for drug intervention.
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Affiliation(s)
- Anna Rodina
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Tai Wang
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Pengrong Yan
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Erica DaGama Gomes
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Mark P S Dunphy
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | | | - John Koren
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - John F Gerecitano
- Lymphoma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Tony Taldone
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Hongliang Zong
- Haematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA
| | - Eloisi Caldas-Lopes
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Mary Alpaugh
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Adriana Corben
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Matthew Riolo
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Brad Beattie
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Christina Pressl
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Radu I Peter
- Department of Mathematics, Technical University of Cluj-Napoca, Cluj-Napoca 400114, Romania
| | - Chao Xu
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Robert Trondl
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Hardik J Patel
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Fumiko Shimizu
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Alexander Bolaender
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Chenghua Yang
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Palak Panchal
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Mohammad F Farooq
- Molecular, Cellular &Biomedical Sciences, University of New Hampshire, Durham, New Hampshire 03824, USA
| | - Sarah Kishinevsky
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA
| | - Shanu Modi
- Breast Cancer Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Oscar Lin
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Feixia Chu
- Molecular, Cellular &Biomedical Sciences, University of New Hampshire, Durham, New Hampshire 03824, USA
| | - Sujata Patil
- Department of Epidemiology-Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Hediye Erdjument-Bromage
- Microchemistry and Proteomics Core, Molecular Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Pat Zanzonico
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Clifford Hudis
- Breast Cancer Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Lorenz Studer
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Gail J Roboz
- Haematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA
| | - Ethel Cesarman
- Haematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA
| | - Leandro Cerchietti
- Haematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA
| | - Ross Levine
- Human Oncology and Pathogenesis Program, Sloan Kettering Institute, New York, New York 10065, USA
| | - Ari Melnick
- Haematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA
| | - Steven M Larson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
| | - Monica L Guzman
- Haematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA
| | - Gabriela Chiosis
- Program in Chemical Biology, Sloan Kettering Institute, New York, New York 10065, USA.,Breast Cancer Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA
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