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Cai X, Refaat A, Gan PY, Fan B, Yu H, Thang SH, Drummond CJ, Voelcker NH, Tran N, Zhai J. Angiopep-2-Functionalized Lipid Cubosomes for Blood-Brain Barrier Crossing and Glioblastoma Treatment. ACS APPLIED MATERIALS & INTERFACES 2024; 16:12161-12174. [PMID: 38416873 DOI: 10.1021/acsami.3c14709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
Glioblastoma multiforme (GBM) is an aggressive brain cancer with high malignancy and resistance to conventional treatments, resulting in a bleak prognosis. Nanoparticles offer a way to cross the blood-brain barrier (BBB) and deliver precise therapies to tumor sites with reduced side effects. In this study, we developed angiopep-2 (Ang2)-functionalized lipid cubosomes loaded with cisplatin (CDDP) and temozolomide (TMZ) for crossing the BBB and providing targeted glioblastoma therapy. Developed lipid cubosomes showed a particle size of around 300 nm and possessed an internal ordered inverse primitive cubic phase, a high conjugation efficiency of Ang2 to the particle surface, and an encapsulation efficiency of more than 70% of CDDP and TMZ. In vitro models, including BBB hCMEC/D3 cell tight monolayer, 3D BBB cell spheroid, and microfluidic BBB/GBM-on-a-chip models with cocultured BBB and glioblastoma cells, were employed to study the efficiency of the developed cubosomes to cross the BBB and showed that Ang2-functionalized cubosomes can penetrate the BBB more effectively. Furthermore, Ang2-functionalized cubosomes showed significantly higher uptake by U87 glioblastoma cells, with a 3-fold increase observed in the BBB/GBM-on-a-chip model as compared to that of the bare cubosomes. Additionally, the in vivo biodistribution showed that Ang2 modification could significantly enhance the brain accumulation of cubosomes in comparison to that of non-functionalized particles. Moreover, CDDP-loaded Ang2-functionalized cubosomes presented an enhanced toxic effect on U87 spheroids. These findings suggest that the developed Ang2-cubosomes are prospective for improved BBB crossing and enhanced delivery of therapeutics to glioblastoma and are worth pursuing further as a potential application of nanomedicine for GBM treatment.
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Affiliation(s)
- Xudong Cai
- School of Science, STEM College, RMIT University, Melbourne 3000, VIC, Australia
| | - Ahmed Refaat
- Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, VIC, Australia
| | - Poh-Yi Gan
- Department of Medicine, Centre for Inflammatory Diseases, Monash University, 246 Clayton Rd, Clayton 3168, VIC, Australia
| | - Bo Fan
- School of Chemistry, Monash University, Clayton 3800, VIC, Australia
| | - Haitao Yu
- School of Science, STEM College, RMIT University, Melbourne 3000, VIC, Australia
| | - San H Thang
- School of Chemistry, Monash University, Clayton 3800, VIC, Australia
| | - Calum J Drummond
- School of Science, STEM College, RMIT University, Melbourne 3000, VIC, Australia
| | - Nicolas H Voelcker
- Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, VIC, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, Clayton 3168, Victoria, Australia
- Department of Materials Science & Engineering, Monash University, Clayton 3168, Victoria, Australia
| | - Nhiem Tran
- School of Science, STEM College, RMIT University, Melbourne 3000, VIC, Australia
| | - Jiali Zhai
- School of Science, STEM College, RMIT University, Melbourne 3000, VIC, Australia
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Bioanalytical strategy for the characterization and bioanalysis of biologics: a global, nonregulated bioanalytical lab perspective. Bioanalysis 2023; 15:133-148. [PMID: 36891956 DOI: 10.4155/bio-2022-0215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
Over the past two decades, we have seen an increase in the complexity and diversity of biotherapeutic modalities pursued by biopharmaceutical companies. These biologics are multifaceted and susceptible to post-translational modifications and in vivo biotransformation that could impose challenges for bioanalysis. It is vital to characterize the functionality, stability and biotransformation products of these molecules to enable screening, identify potential liabilities at an early stage and devise a bioanalytical strategy. This article highlights our perspective on characterization and bioanalysis of biologics using hybrid LC-MS in our global nonregulated bioanalytical laboratories. AbbVie's suite of versatile, stage-appropriate characterization assays and quantitative bioanalytical approaches are discussed, along with guidance on their utility in answering project-specific questions to aid in decision-making.
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Kato-Negishi M, Sawayama J, Kawahara M, Takeuchi S. Cell fiber-based 3D tissue array for drug response assay. Sci Rep 2022; 12:7870. [PMID: 35552465 PMCID: PMC9098497 DOI: 10.1038/s41598-022-11670-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 04/22/2022] [Indexed: 11/17/2022] Open
Abstract
For the establishment of a reproducible and sensitive assay system for three-dimensional (3D) tissue-based drug screening, it is essential to develop 3D tissue arrays with uniform shapes and high cell numbers that prevent cell death in the center of the tissue. In recent years, 3D tissue arrays based on spheroids have attracted increased attention. However, they have only been used in specific tissues with hypoxic regions, such as cancer tissues, because nutrient deprivation and hypoxic regions are formed in the core as spheroids grow. Herein, we propose a method to array cell-encapsulated tube-like tissue (cell fiber (CF)) with diameters < 150 μm to prevent nutrient deprivation and hypoxia using a device that can fix the CFs, section them in uniform sizes, and transfer them to a 96-well plate. We fabricated the arrays of CF fragments from cell lines (GT1-7), cancer cells (HeLa), mouse neural stem cells (mNSCs) and differentiated mNSCs, and performed drug response assays. The array of CF fragments assessed the drug response differences among different cell types and drug responses specific to 3D tissues. The array of CF fragments may be used as a versatile drug screening system to detect drug sensitivities in various types of tissues.
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Affiliation(s)
- Midori Kato-Negishi
- Department of Bio-Analytical Chemistry, Research Institute of Pharmaceutical Sciences, Faculty of Pharmacy, Musashino University, 1-1-20 Shinmachi, Nishitokyo, Tokyo, 202-8585, Japan
| | - Jun Sawayama
- Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
| | - Masahiro Kawahara
- Department of Bio-Analytical Chemistry, Research Institute of Pharmaceutical Sciences, Faculty of Pharmacy, Musashino University, 1-1-20 Shinmachi, Nishitokyo, Tokyo, 202-8585, Japan
| | - Shoji Takeuchi
- Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan. .,Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan. .,International Research Center for Neurointelligence (WPI-IRCN), The University of Tokyo Institutes for Advanced Study (UTIAS), The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
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Boghaert ER, Cox MC, Vaidya KS. Pathophysiological and pharmacological considerations to improve the design and application of antibody-drug conjugates. Cancer Res 2022; 82:1858-1869. [PMID: 35298624 DOI: 10.1158/0008-5472.can-21-3236] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 03/01/2022] [Accepted: 03/14/2022] [Indexed: 11/16/2022]
Abstract
Antibody-drug conjugates (ADC) have emerged as one of the pillars of clinical disease management in oncology. The biggest hurdle to widespread development and application of ADCs has been a narrow therapeutic index. Advances in antibody technologies and formats as well as novel linker and payload chemistries have begun to facilitate structural improvements to ADCs. However, the interplay of structural characteristics with physiologic and pharmacologic factors determining therapeutic success has garnered less attention. This review elaborates on the pharmacology of ADCs, the pathophysiology of cancerous tissues, and the reciprocal consequences on ADC properties and functions. While most currently approved ADCs utilize either microtubule inhibition or DNA damage as primary mechanisms of action, we present arguments to expand this repertoire and highlight the need for payload mechanisms that exploit disease-specific vulnerabilities. We promote the idea that the choice of antibody format, targeting antigen, linker properties, and payload of an ADC should be deliberately fit for purpose by taking the pathophysiology of disease and the specific pharmacology of the drug entity into account, thus allowing a higher probability of clinical success.
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Affiliation(s)
| | - Megan C Cox
- Abbvie, Inc., North Chicago, IL, United States
| | - Kedar S Vaidya
- Jazz Pharmaceuticals (United States), Palo Alto, CA, United States
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Mukundan S, Bell J, Teryek M, Hernandez C, Love AC, Parekkadan B, Chan LLY. Automated Assessment of Cancer Drug Efficacy On Breast Tumor Spheroids in Aggrewell™400 Plates Using Image Cytometry. J Fluoresc 2022; 32:521-531. [PMID: 34989923 DOI: 10.1007/s10895-021-02881-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/27/2021] [Indexed: 12/21/2022]
Abstract
Tumor spheroid models have proven useful in the study of cancer cell responses to chemotherapeutic compounds by more closely mimicking the 3-dimensional nature of tumors in situ. Their advantages are often offset, however, by protocols that are long, complicated, and expensive. Efforts continue for the development of high-throughput assays that combine the advantages of 3D models with the convenience and simplicity of traditional 2D monolayer methods. Herein, we describe the development of a breast cancer spheroid image cytometry assay using T47D cells in Aggrewell™400 spheroid plates. Using the Celigo® automated imaging system, we developed a method to image and individually track thousands of spheroids within the Aggrewell™400 microwell plate over time. We demonstrate the use of calcein AM and propidium iodide staining to study the effects of known anti-cancer drugs Doxorubicin, Everolimus, Gemcitabine, Metformin, Paclitaxel and Tamoxifen. We use the image cytometry results to quantify the fluorescence of calcein AM and PI as well as spheroid size in a dose dependent manner for each of the drugs. We observe a dose-dependent reduction in spheroid size and find that it correlates well with the viability obtained from the CellTiter96® endpoint assay. The image cytometry method we demonstrate is a convenient and high-throughput drug-response assay for breast cancer spheroids under 400 μm in diameter, and may lay a foundation for investigating other three-dimensional spheroids, organoids, and tissue samples.
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Affiliation(s)
- Shilpaa Mukundan
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Jordan Bell
- Department of Advanced Technology R&D, Nexcelom Bioscience LLC, Lawrence, MA, 01843, USA
| | - Matthew Teryek
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Charles Hernandez
- Department of Advanced Technology R&D, Nexcelom Bioscience LLC, Lawrence, MA, 01843, USA
| | - Andrea C Love
- Department of Advanced Technology R&D, Nexcelom Bioscience LLC, Lawrence, MA, 01843, USA
| | - Biju Parekkadan
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA.,Department of Medicine, Rutgers Biomedical Health Sciences, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Leo Li-Ying Chan
- Department of Advanced Technology R&D, Nexcelom Bioscience LLC, Lawrence, MA, 01843, USA.
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Khera E, Cilliers C, Smith MD, Ganno ML, Lai KC, Keating TA, Kopp A, Nessler I, Abu-Yousif AO, Thurber GM. Quantifying ADC bystander payload penetration with cellular resolution using pharmacodynamic mapping. Neoplasia 2020; 23:210-221. [PMID: 33385970 PMCID: PMC7779838 DOI: 10.1016/j.neo.2020.12.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 12/02/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022] Open
Abstract
With the recent approval of 3 new antibody drug conjugates (ADCs) for solid tumors, this class of drugs is gaining momentum for the targeted treatment of cancer. Despite significant investment, there are still fundamental issues that are incompletely understood. Three of the recently approved ADCs contain payloads exhibiting bystander effects, where the payload can diffuse out of a targeted cell into adjacent cells. These effects are often studied using a mosaic of antigen positive and negative cells. However, the distance these payloads can diffuse in tumor tissue while maintaining a lethal concentration is unclear. Computational studies suggest bystander effects partially compensate for ADC heterogeneity in tumors in addition to targeting antigen negative cells. However, this type of study is challenging to conduct experimentally due to the low concentrations of extremely potent payloads. In this work, we use a series of 3-dimensional cell culture and primary human tumor xenograft studies to directly track fluorescently labeled ADCs and indirectly follow the payload via an established pharmacodynamic marker (γH2A. X). Using TAK-164, an anti-GCC ADC undergoing clinical evaluation, we show that the lipophilic DNA-alkylating payload, DGN549, penetrates beyond the cell targeted layer in GCC-positive tumor spheroids and primary human tumor xenograft models. The penetration distance is similar to model predictions, where the lipophilicity results in moderate tissue penetration, thereby balancing improved tissue penetration with sufficient cellular uptake to avoid significant washout. These results aid in mechanistic understanding of the interplay between antigen heterogeneity, bystander effects, and heterogeneous delivery of ADCs in the tumor microenvironment to design clinically effective therapeutics.
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Affiliation(s)
- Eshita Khera
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Cornelius Cilliers
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
| | | | | | | | | | - Anna Kopp
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Ian Nessler
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
| | | | - Greg M Thurber
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.
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Aughton K, Shahidipour H, Djirackor L, Coupland SE, Kalirai H. Characterization of Uveal Melanoma Cell Lines and Primary Tumor Samples in 3D Culture. Transl Vis Sci Technol 2020; 9:39. [PMID: 32832244 PMCID: PMC7414609 DOI: 10.1167/tvst.9.7.39] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/20/2020] [Indexed: 02/06/2023] Open
Abstract
Purpose Uveal melanoma (UM) typically spreads to the liver, where it is incurable, as there are limited therapeutic interventions available. This study aimed to standardize laboratory methods for generating three-dimensional (3D) spheroids using UM cell lines and primary UM (PUM) samples for use in drug screening. Methods Six UM cell lines and nine PUM, of differing genetic characteristics were cultured in two dimensions (2D) and three dimensions. 3D spheroid formation and growth were time monitored, and ImageJ software was used to calculate cross-sectional areas. PUM spheroids underwent immunohistochemistry for melanoma markers, nuclear BAP1, and cell proliferation. Chromosomal alterations in patient UM biopsies were compared with the corresponding 3D spheroid. In vitro drug assays testing doxorubicin and selumetinib assessed drug penetration and toxicity after 48 hours using imaging and the CellTiter-Glo 3D Cell Viability Assay. Results All six UM cell lines formed spheroids of varying sizes and compactness; six of the nine PUM samples (67%) also formed spheroids, composed of MelanA+ proliferating melanocytes and admixed macrophages. PUM spheroids were genetically identical to the original sampled tumor. In vitro drug assays showed varying penetrations into UM cell line spheroids, with doxorubicin passing into the spheroid core and selumetinib having an effect largely on peripheral cells. Both drugs caused a dose-dependent reduction in viability of 3D spheroid cells. Conclusions UM cell lines and PUM samples can successfully generate uniform 3D spheroids. PUM spheroids retain histological and genetic characteristics of the primary tumor. 3D spheroids are an important system for use in future high-throughput drug testing. Translational Relevance The use of 3D spheroids allows early-phase drug screening and is an important first step toward treatment personalization for UM patients.
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Affiliation(s)
- Karen Aughton
- Liverpool Ocular Oncology Research Group, University of Liverpool, Liverpool, United Kingdom
| | - Haleh Shahidipour
- Translational Health Research Institute, Western Sydney University, Campbelltown, New South Wales, Australia
| | - Luna Djirackor
- Liverpool Ocular Oncology Research Group, University of Liverpool, Liverpool, United Kingdom
| | - Sarah E Coupland
- Liverpool Ocular Oncology Research Group, University of Liverpool, Liverpool, United Kingdom.,Liverpool Clinical Laboratories, Liverpool University Hospitals Foundation Trust, Liverpool, United Kingdom
| | - Helen Kalirai
- Liverpool Ocular Oncology Research Group, University of Liverpool, Liverpool, United Kingdom.,Liverpool Clinical Laboratories, Liverpool University Hospitals Foundation Trust, Liverpool, United Kingdom
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Zhai J, Tan FH, Luwor RB, Srinivasa Reddy T, Ahmed N, Drummond CJ, Tran N. In Vitro and In Vivo Toxicity and Biodistribution of Paclitaxel-Loaded Cubosomes as a Drug Delivery Nanocarrier: A Case Study Using an A431 Skin Cancer Xenograft Model. ACS APPLIED BIO MATERIALS 2020; 3:4198-4207. [DOI: 10.1021/acsabm.0c00269] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jiali Zhai
- School of Science, College of Science, Engineering and Health, RMIT University, Melbourne, Victoria 3000, Australia
| | - Fiona H. Tan
- School of Science, College of Science, Engineering and Health, RMIT University, Melbourne, Victoria 3000, Australia
| | - Rodney B. Luwor
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Victoria 3050, Australia
| | - T. Srinivasa Reddy
- School of Science, College of Science, Engineering and Health, RMIT University, Melbourne, Victoria 3000, Australia
| | - Nuzhat Ahmed
- Fiona Elsey Cancer Research Institute, Ballarat, Victoria 3353, Australia
- Federation University Australia, Ballarat, Victoria 3010, Australia
| | - Calum J. Drummond
- School of Science, College of Science, Engineering and Health, RMIT University, Melbourne, Victoria 3000, Australia
| | - Nhiem Tran
- School of Science, College of Science, Engineering and Health, RMIT University, Melbourne, Victoria 3000, Australia
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Calpe B, Kovacs WJ. High-throughput screening in multicellular spheroids for target discovery in the tumor microenvironment. Expert Opin Drug Discov 2020; 15:955-967. [PMID: 32364413 DOI: 10.1080/17460441.2020.1756769] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Solid tumors are highly influenced by a complex tumor microenvironment (TME) that cannot be modeled with conventional two-dimensional (2D) cell culture. In addition, monolayer culture conditions tend to induce undesirable molecular and phenotypic cellular changes. The discrepancy between in vitro and in vivo is an important factor accounting for the high failure rate in drug development. Three-dimensional (3D) multicellular tumor spheroids (MTS) more closely resemble the in vivo situation in avascularized tumors. AREAS COVERED This review describes the use of MTS for anti-cancer drug discovery, with an emphasis on high-throughput screening (HTS) compatible assays. In particular, we focus on how these assays can be used for target discovery in the context of the TME. EXPERT OPINION Arrayed MTS in microtiter plates are HTS compatible but remain more expensive and time consuming than their 2D culture counterpart. It is therefore imperative to use assays with multiplexed readouts, in order to maximize the information that can be gained with the screen. In this context, high-content screening allowing to uncover microenvironmental dependencies is the true added value of MTS-based screening compared to 2D culture-based screening. Hit translation in animal models will, however, be key to allow a broader use of MTS-based screening in industry.
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Affiliation(s)
- Blaise Calpe
- Institute of Molecular Health Sciences, ETH Zurich , Zurich, Switzerland.,Department of Biology, Debiopharm , Lausanne, Switzerland
| | - Werner J Kovacs
- Institute of Molecular Health Sciences, ETH Zurich , Zurich, Switzerland
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