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Maaz A, Blagbrough IS, De Bank PA. A Cell-Based Nasal Model for Screening the Deposition, Biocompatibility, and Transport of Aerosolized PLGA Nanoparticles. Mol Pharm 2024; 21:1108-1124. [PMID: 38333983 PMCID: PMC10915796 DOI: 10.1021/acs.molpharmaceut.3c00639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 12/07/2023] [Accepted: 01/23/2024] [Indexed: 02/10/2024]
Abstract
The olfactory region of the nasal cavity directly links the brain to the external environment, presenting a potential direct route to the central nervous system (CNS). However, targeting drugs to the olfactory region is challenging and relies on a combination of drug formulation, delivery device, and administration technique to navigate human nasal anatomy. In addition, in vitro and in vivo models utilized to evaluate the performance of nasal formulations do not accurately reflect deposition and uptake in the human nasal cavity. The current study describes the development of a respirable poly(lactic-co-glycolic acid) nanoparticle (PLGA NP) formulation, delivered via a pressurized metered dose inhaler (pMDI), and a cell-containing three-dimensional (3D) human nasal cast model for deposition assessment of nasal formulations in the olfactory region. Fluorescent PLGA NPs (193 ± 3 nm by dynamic light scattering) were successfully formulated in an HFA134a-based pMDI and were collected intact following aerosolization. RPMI 2650 cells, widely employed as a nasal epithelial model, were grown at the air-liquid interface (ALI) for 14 days to develop a suitable barrier function prior to exposure to the aerosolized PLGA NPs in a glass deposition apparatus. Direct aerosol exposure was shown to have little effect on cell viability. Compared to an aqueous NP suspension, the transport rate of the aerosolized NPs across the RPMI 2650 barrier was higher at all time points indicating the potential advantages of delivery via aerosolization and the importance of employing ALI cellular models for testing respirable formulations. The PLGA NPs were then aerosolized into a 3D-printed human nasal cavity model with an insert of ALI RPMI 2650 cells positioned in the olfactory region. Cells remained highly viable, and there was significant deposition of the fluorescent NPs on the ALI cultures. This study is a proof of concept that pMDI delivery of NPs is a viable means of targeting the olfactory region for nose-to-brain drug delivery (NTBDD). The cell-based model allows not only maintenance under ALI culture conditions but also sampling from the basal chamber compartment; hence, this model could be adapted to assess drug deposition, uptake, and transport kinetics in parallel under real-life settings.
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Affiliation(s)
- Aida Maaz
- Department
of Life Sciences, Centre for Therapeutic Innovation, and Centre for Bioengineering
& Biomedical Technologies, University
of Bath, Bath BA2 7AY, U.K.
| | - Ian S. Blagbrough
- Department
of Life Sciences, Centre for Therapeutic Innovation, and Centre for Bioengineering
& Biomedical Technologies, University
of Bath, Bath BA2 7AY, U.K.
| | - Paul A. De Bank
- Department
of Life Sciences, Centre for Therapeutic Innovation, and Centre for Bioengineering
& Biomedical Technologies, University
of Bath, Bath BA2 7AY, U.K.
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Jaber N, Billet S. How to use an in vitro approach to characterize the toxicity of airborne compounds. Toxicol In Vitro 2024; 94:105718. [PMID: 37871865 DOI: 10.1016/j.tiv.2023.105718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/25/2023]
Abstract
As part of the development of new approach methodologies (NAMs), numerous in vitro methods are being developed to characterize the potential toxicity of inhalable xenobiotics (gases, volatile organic compounds, polycyclic aromatic hydrocarbons, particulate matter, nanoparticles). However, the materials and methods employed are extremely diverse, and no single method is currently in use. Method standardization and validation would raise trust in the results and enable them to be compared. This four-part review lists and compares biological models and exposure methodologies before describing measurable biomarkers of exposure or effect. The first section emphasizes the importance of developing alternative methods to reduce, if not replace, animal testing (3R principle). The biological models presented are mostly to cultures of epithelial cells from the respiratory system, as the lungs are the first organ to come into contact with air pollutants. Monocultures or cocultures of primary cells or cell lines, as well as 3D organotypic cultures such as organoids, spheroids and reconstituted tissues, but also the organ(s) model on a chip are examples. The exposure methods for these biological models applicable to airborne compounds are submerged, intermittent, continuous either static or dynamic. Finally, within the restrictions of these models (i.e. relative tiny quantities, adhering cells), the mechanisms of toxicity and the phenotypic markers most commonly examined in models exposed at the air-liquid interface (ALI) are outlined.
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Affiliation(s)
- Nour Jaber
- UR4492, Unité de Chimie Environnementale et Interactions sur le Vivant, Université du Littoral Côte d'Opale, Dunkerque, France
| | - Sylvain Billet
- UR4492, Unité de Chimie Environnementale et Interactions sur le Vivant, Université du Littoral Côte d'Opale, Dunkerque, France.
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3
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Falkiewicz K, Fryca I, Ciura K, Mikolajczyk A, Jagiello K, Puzyn T. A bibliometric analysis of the recent achievements in pulmonary safety of nanoparticles. Nanotoxicology 2023; 17:547-561. [PMID: 37968932 DOI: 10.1080/17435390.2023.2276411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 10/04/2023] [Indexed: 11/17/2023]
Abstract
Assessing research activity is an important step for planning future initiatives oriented toward filling the remaining gaps in a field. Therefore, the objective of the current study was to review recently published research on pulmonary toxicity caused by nanomaterials. However, here, instead of reviewing possible toxic effects and discussing their mode of action, the goal was to establish trends considering for example examined so far nanomaterials or used testing strategies. A total of 2316 related articles retrieved from the three most cited databases (PubMed Scopus, Web of Science), selected based on the title and abstract requirements, were used as the source of the review. Based on the bibliometric analysis, the nano-meter metal oxides, and carbon-based nanotubes were identified as the most frequently studied nanomaterials, while quantum dots, which might induce possible harmful effects, were not considered so far. The majority of testing of pulmonary safety is based on in vitro studies with observed growth of the contribution of novel testing strategies, such as 3D lung model, air-liquid interface system, or omic analysis.
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Affiliation(s)
| | | | - Krzesimir Ciura
- QSAR Lab Ltd., Gdansk, Poland
- Department of Physical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Alicja Mikolajczyk
- QSAR Lab Ltd., Gdansk, Poland
- Laboratory of Environmental Chemoinformatics, Department of Environmental Chemistry and Radiochemistry, Faculty of Chemistry, University of Gdansk, Gdansk, Poland
| | - Karolina Jagiello
- QSAR Lab Ltd., Gdansk, Poland
- Laboratory of Environmental Chemoinformatics, Department of Environmental Chemistry and Radiochemistry, Faculty of Chemistry, University of Gdansk, Gdansk, Poland
| | - Tomasz Puzyn
- QSAR Lab Ltd., Gdansk, Poland
- Laboratory of Environmental Chemoinformatics, Department of Environmental Chemistry and Radiochemistry, Faculty of Chemistry, University of Gdansk, Gdansk, Poland
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4
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Joubert O. Editorial for the Special Issue "Biological and Toxicological Studies of Nanoparticles". NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1968. [PMID: 37446483 DOI: 10.3390/nano13131968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023]
Abstract
Nanoparticles have attracted a great deal of attention over the past two decades or more due to their unique size-dependent physical and chemical properties [...].
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Affiliation(s)
- Olivier Joubert
- Institut Jean Lamour, CNRS 7198, University of Lorraine, 54015 Nancy, France
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5
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Kohl Y, Müller M, Fink M, Mamier M, Fürtauer S, Drexel R, Herrmann C, Dähnhardt-Pfeiffer S, Hornberger R, Arz MI, Metzger C, Wagner S, Sängerlaub S, Briesen H, Meier F, Krebs T. Development and Characterization of a 96-Well Exposure System for Safety Assessment of Nanomaterials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207207. [PMID: 36922728 DOI: 10.1002/smll.202207207] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/31/2023] [Indexed: 06/08/2023]
Abstract
In this study, a 96-well exposure system for safety assessment of nanomaterials is developed and characterized using an air-liquid interface lung epithelial model. This system is designed for sequential nebulization. Distribution studies verify the reproducible distribution over all 96 wells, with lower insert-to-insert variability compared to non-sequential application. With a first set of chemicals (TritonX), drugs (Bortezomib), and nanomaterials (silver nanoparticles and (non-)fluorescent crystalline nanocellulose), sequential exposure studies are performed with human lung epithelial cells followed by quantification of the deposited mass and of cell viability. The developed exposure system offers for the first time the possibility of exposing an air-liquid interface model in a 96-well format, resulting in high-throughput rates, combined with the feature for sequential dosing. This exposure system allows the possibility of creating dose-response curves resulting in the generation of more reliable cell-based assay data for many types of applications, such as safety analysis. In addition to chemicals and drugs, nanomaterials with spherical shapes, but also morphologically more complex nanostructures can be exposed sequentially with high efficiency. This allows new perspectives on in vivo-like and animal-free approaches for chemical and pharmaceutical safety assessment, in line with the 3R principle of replacing and reducing animal experiments.
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Affiliation(s)
- Yvonne Kohl
- Bioprocessing & Bioanalytics, Fraunhofer Institute for Biomedical Engineering IBMT, Joseph-von-Fraunhofer-Weg 1, 66280, Sulzbach, Germany
| | - Michelle Müller
- Bioprocessing & Bioanalytics, Fraunhofer Institute for Biomedical Engineering IBMT, Joseph-von-Fraunhofer-Weg 1, 66280, Sulzbach, Germany
| | - Marielle Fink
- VITROCELL Systems GmbH, Fabrik Sonntag 3, 79183, Waldkirch, Germany
| | - Marc Mamier
- VITROCELL Systems GmbH, Fabrik Sonntag 3, 79183, Waldkirch, Germany
| | - Siegfried Fürtauer
- Materials Development, Fraunhofer Institute for Process Engineering & Packaging IVV, Giggenhauser Str. 35, 85354, Freising, Germany
| | - Roland Drexel
- Postnova Analytics GmbH, 86899, Landsberg am Lech, Germany
| | - Christine Herrmann
- Process Systems Engineering, School of Life Sciences, Technical University Munich, Gregor-Mendel-Str. 4, 85354, Freising, Germany
| | | | - Ramona Hornberger
- Materials Development, Fraunhofer Institute for Process Engineering & Packaging IVV, Giggenhauser Str. 35, 85354, Freising, Germany
| | - Marius I Arz
- Materials Development, Fraunhofer Institute for Process Engineering & Packaging IVV, Giggenhauser Str. 35, 85354, Freising, Germany
| | - Christoph Metzger
- Process Systems Engineering, School of Life Sciences, Technical University Munich, Gregor-Mendel-Str. 4, 85354, Freising, Germany
| | - Sylvia Wagner
- Bioprocessing & Bioanalytics, Fraunhofer Institute for Biomedical Engineering IBMT, Joseph-von-Fraunhofer-Weg 1, 66280, Sulzbach, Germany
| | - Sven Sängerlaub
- Materials Development, Fraunhofer Institute for Process Engineering & Packaging IVV, Giggenhauser Str. 35, 85354, Freising, Germany
| | - Heiko Briesen
- Process Systems Engineering, School of Life Sciences, Technical University Munich, Gregor-Mendel-Str. 4, 85354, Freising, Germany
| | - Florian Meier
- Postnova Analytics GmbH, 86899, Landsberg am Lech, Germany
| | - Tobias Krebs
- VITROCELL Systems GmbH, Fabrik Sonntag 3, 79183, Waldkirch, Germany
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Sengupta A, Dorn A, Jamshidi M, Schwob M, Hassan W, De Maddalena LL, Hugi A, Stucki AO, Dorn P, Marti TM, Wisser O, Stucki JD, Krebs T, Hobi N, Guenat OT. A multiplex inhalation platform to model in situ like aerosol delivery in a breathing lung-on-chip. Front Pharmacol 2023; 14:1114739. [PMID: 36959848 PMCID: PMC10029733 DOI: 10.3389/fphar.2023.1114739] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/07/2023] [Indexed: 03/08/2023] Open
Abstract
Prolonged exposure to environmental respirable toxicants can lead to the development and worsening of severe respiratory diseases such as asthma, chronic obstructive pulmonary disease (COPD) and fibrosis. The limited number of FDA-approved inhaled drugs for these serious lung conditions has led to a shift from in vivo towards the use of alternative in vitro human-relevant models to better predict the toxicity of inhaled particles in preclinical research. While there are several inhalation exposure models for the upper airways, the fragile and dynamic nature of the alveolar microenvironment has limited the development of reproducible exposure models for the distal lung. Here, we present a mechanistic approach using a new generation of exposure systems, the Cloud α AX12. This novel in vitro inhalation tool consists of a cloud-based exposure chamber (VITROCELL) that integrates the breathing AXLung-on-chip system (AlveoliX). The ultrathin and porous membrane of the AX12 plate was used to create a complex multicellular model that enables key physiological culture conditions: the air-liquid interface (ALI) and the three-dimensional cyclic stretch (CS). Human-relevant cellular models were established for a) the distal alveolar-capillary interface using primary cell-derived immortalized alveolar epithelial cells (AXiAECs), macrophages (THP-1) and endothelial (HLMVEC) cells, and b) the upper-airways using Calu3 cells. Primary human alveolar epithelial cells (AXhAEpCs) were used to validate the toxicity results obtained from the immortalized cell lines. To mimic in vivo relevant aerosol exposures with the Cloud α AX12, three different models were established using: a) titanium dioxide (TiO2) and zinc oxide nanoparticles b) polyhexamethylene guanidine a toxic chemical and c) an anti-inflammatory inhaled corticosteroid, fluticasone propionate (FL). Our results suggest an important synergistic effect on the air-blood barrier sensitivity, cytotoxicity and inflammation, when air-liquid interface and cyclic stretch culture conditions are combined. To the best of our knowledge, this is the first time that an in vitro inhalation exposure system for the distal lung has been described with a breathing lung-on-chip technology. The Cloud α AX12 model thus represents a state-of-the-art pre-clinical tool to study inhalation toxicity risks, drug safety and efficacy.
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Affiliation(s)
- Arunima Sengupta
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
| | - Aurélien Dorn
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
- AlveoliX AG, Swiss Organs-on-Chip Innovation, Bern, Switzerland
| | - Mohammad Jamshidi
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
| | - Magali Schwob
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
| | - Widad Hassan
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
| | | | - Andreas Hugi
- AlveoliX AG, Swiss Organs-on-Chip Innovation, Bern, Switzerland
| | - Andreas O. Stucki
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
- *Correspondence: Andreas O. Stucki,
| | - Patrick Dorn
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Thomas M. Marti
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | | | | | | | - Nina Hobi
- AlveoliX AG, Swiss Organs-on-Chip Innovation, Bern, Switzerland
| | - Olivier T. Guenat
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, Bern, Switzerland
- Department of Pulmonary Medicine, Inselspital, Bern University Hospital, Bern, Switzerland
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