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Dirheimer L, Pons T, François A, Lamy L, Cortese S, Marchal F, Bezdetnaya L. Targeting of 3D oral cancer spheroids by αVβ6 integrin using near-infrared peptide-conjugated IRDye 680. Cancer Cell Int 2024; 24:228. [PMID: 38951897 PMCID: PMC11218202 DOI: 10.1186/s12935-024-03417-y] [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: 03/21/2024] [Accepted: 06/22/2024] [Indexed: 07/03/2024] Open
Abstract
BACKGROUND In the treatment of oral cavity cancer, margin status is one of the most critical prognostic factors. Positive margins are associated with higher local recurrence and lower survival rates. Therefore, the universal goal of oral surgical oncology is to achieve microscopically clear margins. Near-infrared fluorescence guided surgery (FGS) could improve surgical resection using fluorescent probes. αVβ6 integrin has shown great potential for cancer targeting due to its overexpression in oral cancers. Red fluorescent contrast agent IRDye 680 coupled with anti-αVβ6 peptide (IRDye-A20) represents an asset to improve FGS of oral cancer. This study investigates the potential of IRDye-A20 as a selective imaging agent in 3D three-dimensional tongue cancer cells. METHODS αVβ6 integrin expression was evaluated by RT-qPCR and Western Blotting in 2D HSC-3 human tongue cancer cells and MRC-5 human fibroblasts. Targeting ability of IRDye-A20 was studied in both cell lines by flow cytometry technique. 3D tumor spheroid models, homotypic (HSC-3) and stroma-enriched heterotypic (HSC-3/MRC-5) spheroids were produced by liquid overlay procedure and further characterized using (immuno)histological and fluorescence-based techniques. IRDye-A20 selectivity was evaluated in each type of spheroids and each cell population. RESULTS αVβ6 integrin was overexpressed in 2D HSC-3 cancer cells but not in MRC-5 fibroblasts and consistently, only HSC-3 were labelled with IRDye-A20. Round shaped spheroids with an average diameter of 400 μm were produced with a final ratio of 55%/45% between HSC-3 and MRC-5 cells, respectively. Immunofluorescence experiments demonstrated an uniform expression of αVβ6 integrin in homotypic spheroid, while its expression was restricted to cancer cells only in heterotypic spheroid. In stroma-enriched 3D model, Cytokeratin 19 and E-cadherin were expressed only by cancer cells while vimentin and fibronectin were expressed by fibroblasts. Using flow cytometry, we demonstrated that IRDye-A20 labeled the whole homotypic spheroid, while in the heterotypic model all cancer cells were highly fluorescent, with a negligible fluorescence in fibroblasts. CONCLUSIONS The present study demonstrated an efficient selective targeting of A20FMDV2-conjugated IRDye 680 in 3D tongue cancer cells stroma-enriched spheroids. Thus, IRDye-A20 could be a promising candidate for the future development of the fluorescence-guided surgery of oral cancers.
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Affiliation(s)
- L Dirheimer
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique, UMR 7039, Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - T Pons
- ESPCI Paris, LPEM UMR 8213, PSL University, CNRS, Sorbonne University, Paris, France
| | - A François
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique, UMR 7039, Université de Lorraine, Vandoeuvre-lès-Nancy, France
- Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, Vandoeuvre-lès-Nancy, 54519, France
| | - L Lamy
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique, UMR 7039, Université de Lorraine, Vandoeuvre-lès-Nancy, France
- Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, Vandoeuvre-lès-Nancy, 54519, France
| | - S Cortese
- Surgical Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, Vandoeuvre-lès-Nancy, 54519, France
| | - F Marchal
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique, UMR 7039, Université de Lorraine, Vandoeuvre-lès-Nancy, France
- Surgical Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, Vandoeuvre-lès-Nancy, 54519, France
| | - L Bezdetnaya
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique, UMR 7039, Université de Lorraine, Vandoeuvre-lès-Nancy, France.
- Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, Vandoeuvre-lès-Nancy, 54519, France.
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Yuan Y, Fan T, Wang J, Yuan Y, Tao X. Near-infrared imaging of head and neck squamous cell carcinoma using indocyanine green that targets the αvβ6 peptide. JOURNAL OF BIOMEDICAL OPTICS 2024; 29:046002. [PMID: 38633382 PMCID: PMC11021736 DOI: 10.1117/1.jbo.29.4.046002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/13/2024] [Accepted: 03/15/2024] [Indexed: 04/19/2024]
Abstract
Significance Head and neck squamous cell carcinoma (HNSCC) has a particularly poor prognosis. Improving the surgical resection boundary, reducing local recurrence, and ultimately ameliorating the overall survival rate are the treatment goals. Aim To obtain a complete surgical resection (R0 resection), we investigated the use of a fluorescent imaging probe that targets the integrin subtype α v β 6 , which is upregulated in many kinds of epithelial cancer, using animal models. Approach α v β 6 expression was detected using polymerase chain reaction (PCR) and immunoprotein blotting of human tissues for malignancy. Protein expression localization was observed. α v β 6 and epidermal growth factor receptor (EGFR) were quantified by PCR and immunoprotein blotting, and the biosafety of targeting the α v β 6 probe material was examined using Cell Counting Kit-8 assays. Indocyanine green (ICG) was used as a control to determine the localization of the probe at the cellular level. In vivo animal experiments were conducted through tail vein injections to evaluate the probe's imaging effect and to confirm its targeting in tissue sections. Results α v β 6 expression was higher than EGFR expression in HNSCC, and the probe showed good targeting in in vivo and in vitro experiments with a good safety profile. Conclusions The ICG-α v β 6 peptide probe is an exceptional and sensitive imaging tool for HNSCC that can distinguish among tumor, normal, and inflammatory tissues.
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Affiliation(s)
- Yuan Yuan
- Ninth People’s Hospital, Shanghai Jiao Tong University, School of Medicine, Department of Radiology, Shanghai, China
| | - Tengfei Fan
- Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Department of Oral and Maxillofacial-Head Neck Oncology, Shanghai, China
- Shanghai Jiao Tong University, College of Stomatology, Shanghai, China
- The Second Xiangya Hospital of Central South University, Department of Oral and Maxillofacial Surgery, Changsha, China
| | - Jingbo Wang
- Ninth People’s Hospital, Shanghai Jiao Tong University, School of Medicine, Department of Radiology, Shanghai, China
| | - Ying Yuan
- Ninth People’s Hospital, Shanghai Jiao Tong University, School of Medicine, Department of Radiology, Shanghai, China
| | - Xiaofeng Tao
- Ninth People’s Hospital, Shanghai Jiao Tong University, School of Medicine, Department of Radiology, Shanghai, China
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Davis RA, Ganguly T, Harris R, Hausner SH, Kovacs L, Sutcliffe JL. Synthesis and Evaluation of a Monomethyl Auristatin E─Integrin α vβ 6 Binding Peptide-Drug Conjugate for Tumor Targeted Drug Delivery. J Med Chem 2023; 66:9842-9852. [PMID: 37417540 PMCID: PMC10388305 DOI: 10.1021/acs.jmedchem.3c00631] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Indexed: 07/08/2023]
Abstract
Many anticancer drugs exhibit high systemic off-target toxicities causing severe side effects. Peptide-drug conjugates (PDCs) that target tumor-specific receptors such as integrin αvβ6 are emerging as powerful tools to overcome these challenges. The development of an integrin αvβ6-selective PDC was achieved by combining the therapeutic efficacy of the cytotoxic drug monomethyl auristatin E with the selectivity of the αvβ6-binding peptide (αvβ6-BP) and with the ability of positron emission tomography (PET) imaging by copper-64. The [64Cu]PDC-1 was produced efficiently and in high purity. The PDC exhibited high human serum stability, integrin αvβ6-selective internalization, cell binding, and cytotoxicity. Integrin αvβ6-selective tumor accumulation of the [64Cu]PDC-1 was visualized with PET-imaging and corroborated by biodistribution, and [64Cu]PDC-1 showed promising in vivo pharmacokinetics. The [natCu]PDC-1 treatment resulted in prolonged survival of mice bearing αvβ6 (+) tumors (median survival: 77 days, vs αvβ6 (-) tumor group 49 days, and all other control groups 37 days).
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Affiliation(s)
- Ryan A. Davis
- Department
of Biomedical Engineering, University of
California, Davis, One
Shields Avenue, Davis, California 95616, United States
| | - Tanushree Ganguly
- Department
of Biomedical Engineering, University of
California, Davis, One
Shields Avenue, Davis, California 95616, United States
| | - Rebecca Harris
- Department
of Internal Medicine, Division of Hematology/Oncology, University of California, Davis, 4150 V Street, Sacramento, California 95817, United States
| | - Sven H. Hausner
- Department
of Internal Medicine, Division of Hematology/Oncology, University of California, Davis, 4150 V Street, Sacramento, California 95817, United States
| | - Luciana Kovacs
- Department
of Internal Medicine, Division of Hematology/Oncology, University of California, Davis, 4150 V Street, Sacramento, California 95817, United States
| | - Julie L. Sutcliffe
- Department
of Biomedical Engineering, University of
California, Davis, One
Shields Avenue, Davis, California 95616, United States
- Department
of Internal Medicine, Division of Hematology/Oncology, University of California, Davis, 4150 V Street, Sacramento, California 95817, United States
- Center
for Molecular and Genomic Imaging, University
of California, Davis, 451 Health Sciences Drive, Davis, California 95616, United States
- Radiochemistry
Research and Training Facility, University
of California, Davis, 2921 Stockton Blvd., Suite 1760, Sacramento, California 95817, United States
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Ludwig BS, Kessler H, Kossatz S, Reuning U. RGD-Binding Integrins Revisited: How Recently Discovered Functions and Novel Synthetic Ligands (Re-)Shape an Ever-Evolving Field. Cancers (Basel) 2021; 13:cancers13071711. [PMID: 33916607 PMCID: PMC8038522 DOI: 10.3390/cancers13071711] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/22/2021] [Accepted: 03/29/2021] [Indexed: 12/19/2022] Open
Abstract
Simple Summary Integrins, a superfamily of cell adhesion receptors, were extensively investigated as therapeutic targets over the last decades, motivated by their multiple functions, e.g., in cancer (progression, metastasis, angiogenesis), sepsis, fibrosis, and viral infections. Although integrin-targeting clinical trials, especially in cancer, did not meet the high expectations yet, integrins remain highly interesting therapeutic targets. In this article, we analyze the state-of-the-art knowledge on the roles of a subfamily of integrins, which require binding of the tripeptide motif Arg-Gly-Asp (RGD) for cell adhesion and signal transduction, in cancer, in tumor-associated exosomes, in fibrosis and SARS-CoV-2 infection. Furthermore, we outline the latest achievements in the design and development of synthetic ligands, which are highly selective and affine to single integrin subtypes, i.e., αvβ3, αvβ5, α5β1, αvβ6, αvβ8, and αvβ1. Lastly, we present the substantial progress in the field of nuclear and optical molecular imaging of integrins, including first-in-human and clinical studies. Abstract Integrins have been extensively investigated as therapeutic targets over the last decades, which has been inspired by their multiple functions in cancer progression, metastasis, and angiogenesis as well as a continuously expanding number of other diseases, e.g., sepsis, fibrosis, and viral infections, possibly also Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV-2). Although integrin-targeted (cancer) therapy trials did not meet the high expectations yet, integrins are still valid and promising targets due to their elevated expression and surface accessibility on diseased cells. Thus, for the future successful clinical translation of integrin-targeted compounds, revisited and innovative treatment strategies have to be explored based on accumulated knowledge of integrin biology. For this, refined approaches are demanded aiming at alternative and improved preclinical models, optimized selectivity and pharmacological properties of integrin ligands, as well as more sophisticated treatment protocols considering dose fine-tuning of compounds. Moreover, integrin ligands exert high accuracy in disease monitoring as diagnostic molecular imaging tools, enabling patient selection for individualized integrin-targeted therapy. The present review comprehensively analyzes the state-of-the-art knowledge on the roles of RGD-binding integrin subtypes in cancer and non-cancerous diseases and outlines the latest achievements in the design and development of synthetic ligands and their application in biomedical, translational, and molecular imaging approaches. Indeed, substantial progress has already been made, including advanced ligand designs, numerous elaborated pre-clinical and first-in-human studies, while the discovery of novel applications for integrin ligands remains to be explored.
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Affiliation(s)
- Beatrice S. Ludwig
- Department of Nuclear Medicine, University Hospital Klinikum Rechts der Isar and Central Institute for Translational Cancer Research (TranslaTUM), Technical University Munich, 81675 Munich, Germany;
| | - Horst Kessler
- Department of Chemistry, Institute for Advanced Study, Technical University Munich, 85748 Garching, Germany;
| | - Susanne Kossatz
- Department of Nuclear Medicine, University Hospital Klinikum Rechts der Isar and Central Institute for Translational Cancer Research (TranslaTUM), Technical University Munich, 81675 Munich, Germany;
- Department of Chemistry, Institute for Advanced Study, Technical University Munich, 85748 Garching, Germany;
- Correspondence: (S.K.); (U.R.); Tel.: +49-89-4140-9134 (S.K.); +49-89-4140-7407 (U.R.)
| | - Ute Reuning
- Clinical Research Unit, Department of Obstetrics and Gynecology, University Hospital Klinikum Rechts der Isar, Technical University Munich, 81675 Munich, Germany
- Correspondence: (S.K.); (U.R.); Tel.: +49-89-4140-9134 (S.K.); +49-89-4140-7407 (U.R.)
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Thai VL, Griffin KH, Thorpe SW, Randall RL, Leach JK. Tissue engineered platforms for studying primary and metastatic neoplasm behavior in bone. J Biomech 2021; 115:110189. [PMID: 33385867 PMCID: PMC7855491 DOI: 10.1016/j.jbiomech.2020.110189] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/02/2020] [Accepted: 12/11/2020] [Indexed: 12/19/2022]
Abstract
Cancer is the second leading cause of death in the United States, claiming more than 560,000 lives each year. Osteosarcoma (OS) is the most common primary malignant tumor of bone in children and young adults, while bone is a common site of metastasis for tumors initiating from other tissues. The heterogeneity, continual evolution, and complexity of this disease at different stages of tumor progression drives a critical need for physiologically relevant models that capture the dynamic cancer microenvironment and advance chemotherapy techniques. Monolayer cultures have been favored for cell-based research for decades due to their simplicity and scalability. However, the nature of these models makes it impossible to fully describe the biomechanical and biochemical cues present in 3-dimensional (3D) microenvironments, such as ECM stiffness, degradability, surface topography, and adhesivity. Biomaterials have emerged as valuable tools to model the behavior of various cancers by creating highly tunable 3D systems for studying neoplasm behavior, screening chemotherapeutic drugs, and developing novel treatment delivery techniques. This review highlights the recent application of biomaterials toward the development of tumor models, details methods for their tunability, and discusses the clinical and therapeutic applications of these systems.
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Affiliation(s)
- Victoria L Thai
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, United States
| | - Katherine H Griffin
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, United States; School of Veterinary Medicine, University of California, Davis, Davis, CA 95616, United States
| | - Steven W Thorpe
- Department of Orthopaedic Surgery, UC Davis Health, Sacramento, CA 95817, United States
| | - R Lor Randall
- Department of Orthopaedic Surgery, UC Davis Health, Sacramento, CA 95817, United States
| | - J Kent Leach
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, United States; Department of Orthopaedic Surgery, UC Davis Health, Sacramento, CA 95817, United States.
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NIR Imaging of the Integrin-Rich Head and Neck Squamous Cell Carcinoma Using Ternary Copper Indium Selenide/Zinc Sulfide-Based Quantum Dots. Cancers (Basel) 2020; 12:cancers12123727. [PMID: 33322532 PMCID: PMC7764319 DOI: 10.3390/cancers12123727] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/08/2020] [Accepted: 12/08/2020] [Indexed: 12/20/2022] Open
Abstract
The efficient intraoperative identification of cancers requires the development of the bright, minimally-toxic, tumor-specific near-infrared (NIR) probes as contrast agents. Luminescent semiconductor quantum dots (QDs) offer several unique advantages for in vivo cellular imaging by providing bright and photostable fluorescent probes. Here, we present the synthesis of ZnCuInSe/ZnS core/shell QDs emitting in NIR (~750 nm) conjugated to NAVPNLRGDLQVLAQKVART (A20FMDV2) peptide for targeting αvβ6 integrin-rich head and neck squamous cell carcinoma (HNSCC). Integrin αvβ6 is usually not detectable in nonpathological tissues, but is highly upregulated in HNSCC. QD-A20 showed αvβ6 integrin-specific binding in two-dimension (2D) monolayer and three-dimension (3D) spheroid in vitro HNSCC models. QD-A20 exhibit limited penetration (ca. 50 µm) in stroma-rich 3D spheroids. Finally, we demonstrated the potential of these QDs by time-gated fluorescence imaging of stroma-rich 3D spheroids placed onto mm-thick tissue slices to mimic imaging conditions in tissues. Overall, QD-A20 could be considered as highly promising nanoprobes for NIR bioimaging and imaging-guided surgery.
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Cekanova M, Pandey S, Olin S, Ryan P, Stokes JE, Hecht S, Martin-Jimenez T, Uddin MJ, Marnett LJ. Pharmacokinetic characterization of fluorocoxib D, a cyclooxygenase-2-targeted optical imaging agent for detection of cancer. JOURNAL OF BIOMEDICAL OPTICS 2020; 25:JBO-200044R. [PMID: 32860356 PMCID: PMC7456637 DOI: 10.1117/1.jbo.25.8.086005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 08/11/2020] [Indexed: 06/11/2023]
Abstract
SIGNIFICANCE Fluorocoxib D, N-[(rhodamin-X-yl)but-4-yl]-2-[1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetamide, is a water-soluble optical imaging agent to detect cyclooxygenase-2 (COX-2)-expressing cancer cells. AIM We evaluated the pharmacokinetic and safety properties of fluorocoxib D and its ability to detect cancer cells in vitro and in vivo. APPROACH Pharmacokinetic parameters of fluorocoxib D were assessed from plasma collected at designated time points after intravenous administration of 1 mg / kg fluorocoxib D in six research dogs using a high-performance liquid chromatography analysis. Safety of fluorocoxib D was assessed for 3 days after its administration using physical assessment, complete blood count, serum chemistry profile, and complete urinalysis in six research dogs. The ability of fluorocoxib D to detect COX-2-expressing cancer cells was performed using human 5637 cells in vitro and during rhinoscopy evaluation of specific fluorocoxib D uptake by canine cancer cells in vivo. RESULTS No evidence of toxicity and no clinically relevant adverse events were noted in dogs. Peak concentration of fluorocoxib D (114.8 ± 50.5 ng / ml) was detected in plasma collected at 0.5 h after its administration. Pretreatment of celecoxib blocked specific uptake of fluorocoxib D in COX-2-expressing human 5637 cancer cells. Fluorocoxib D uptake was detected in histology-confirmed COX-2-expressing head and neck cancer during rhinoscopy in a client-owned dog in vivo. Specific tumor-to-normal tissue ratio of detected fluorocoxib D signal was in an average of 3.7 ± 0.9 using Image J analysis. CONCLUSIONS Our results suggest that fluorocoxib D is a safe optical imaging agent used for detection of COX-2-expressing cancers and their margins during image-guided minimally invasive biopsy and surgical procedures.
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Affiliation(s)
- Maria Cekanova
- The University of Tennessee, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, Knoxville, Tennessee, United States
- The University of Tennessee, UT-ORNL Graduate School of Genome, Science and Technology, Knoxville, Tennessee, United States
| | - Sony Pandey
- The University of Tennessee, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, Knoxville, Tennessee, United States
| | - Shelly Olin
- The University of Tennessee, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, Knoxville, Tennessee, United States
| | - Phillip Ryan
- The University of Tennessee, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, Knoxville, Tennessee, United States
| | - Jennifer E. Stokes
- The University of Tennessee, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, Knoxville, Tennessee, United States
| | - Silke Hecht
- The University of Tennessee, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, Knoxville, Tennessee, United States
| | - Tomas Martin-Jimenez
- The University of Tennessee, College of Veterinary Medicine, Department of Biomedical and Diagnostic Sciences, Knoxville, Tennessee, United States
| | - Md. Jashim Uddin
- Vanderbilt University School of Medicine, Vanderbilt Institute of Chemical Biology, Center for Molecular Toxicology and Vanderbilt-Ingram Cancer Center, A. B. Hancock, Jr., Memorial Laboratory for Cancer Research, Departments of Biochemistry, Chemistry and Pharmacology, Nashville, Tennessee, United States
| | - Lawrence J. Marnett
- Vanderbilt University School of Medicine, Vanderbilt Institute of Chemical Biology, Center for Molecular Toxicology and Vanderbilt-Ingram Cancer Center, A. B. Hancock, Jr., Memorial Laboratory for Cancer Research, Departments of Biochemistry, Chemistry and Pharmacology, Nashville, Tennessee, United States
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