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Helmecke T, Hahn D, Matzke N, Ferdinand L, Franke L, Kühn S, Fischer G, Werner C, Maitz MF. Inflammation-Controlled Anti-Inflammatory Hydrogels. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206412. [PMID: 36581490 PMCID: PMC9982591 DOI: 10.1002/advs.202206412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/06/2022] [Indexed: 06/17/2023]
Abstract
While autoregulative adaptation is a common feature of living tissues, only a few feedback-controlled adaptive biomaterials are available so far. This paper herein reports a new polymer hydrogel platform designed to release anti-inflammatory molecules in response to the inflammatory activation of human blood. In this system, anti-inflammatory peptide drugs, targeting either the complement cascade, a complement receptor, or cyclophilin A, are conjugated to the hydrogel by a peptide sequence that is cleaved by elastase released from activated granulocytes. As a proof of concept, the adaptive drug delivery from the gel triggered by activated granulocytes and the effect of the released drug on the respective inflammatory pathways are demonstrated. Adjusting the gel functionalization degree is shown to allow for tuning the drug release profiles to effective doses within a micromolar range. Feedback-controlled delivery of covalently conjugated drugs from a hydrogel matrix is concluded to provide valuable safety features suitable to equip medical devices with highly active anti-inflammatory agents without suppressing the general immunosurveillance.
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Affiliation(s)
- Tina Helmecke
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
| | - Dominik Hahn
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
| | - Nadine Matzke
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
| | - Lisa Ferdinand
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
| | - Lars Franke
- Max Planck Institute for Multidisciplinary Sciences37077GöttingenGermany
| | - Sebastian Kühn
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
| | - Gunter Fischer
- Max Planck Institute for Multidisciplinary Sciences37077GöttingenGermany
| | - Carsten Werner
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
- Technische Universität DresdenCluster of Excellence Physics of LifeCenter for Regenerative Therapies Dresden and Faculty of Chemistry and Food ChemistryFetscherstraße 10501307DresdenGermany
| | - Manfred F. Maitz
- Leibniz Institute of Polymer Research DresdenInstitute of Biofunctional Polymer MaterialsHohe Strasse 601069DresdenGermany
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Zhao J, Li S, Pang X, Shan Y. Evaluating the therapeutic efficacy of nano-drugs targeting epidermal growth factor receptor. Chem Commun (Camb) 2022; 58:2726-2729. [PMID: 35113095 DOI: 10.1039/d1cc06754k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Epidermal growth factor receptor (EGFR) targeted nano-drugs facilitate effective diagnosis and treatment of cancer. Herein, the therapeutic efficacy of nano-drugs targeting EGFR was evaluated from the perspective of cell entry efficiency and induced cell mechanical properties using force tracing and nano-indentation techniques at the single particle/cell level in real time.
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Affiliation(s)
- Jing Zhao
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Siying Li
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Xuelei Pang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Yuping Shan
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
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Inhalable particulate drug delivery systems for lung cancer therapy: Nanoparticles, microparticles, nanocomposites and nanoaggregates. J Control Release 2018; 269:374-392. [DOI: 10.1016/j.jconrel.2017.11.036] [Citation(s) in RCA: 208] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 11/21/2017] [Accepted: 11/21/2017] [Indexed: 12/20/2022]
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Jyoti K, Pandey RS, Kush P, Kaushik D, Jain UK, Madan J. Inhalable bioresponsive chitosan microspheres of doxorubicin and soluble curcumin augmented drug delivery in lung cancer cells. Int J Biol Macromol 2017; 98:50-58. [DOI: 10.1016/j.ijbiomac.2017.01.109] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 01/14/2017] [Accepted: 01/23/2017] [Indexed: 11/29/2022]
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Krutkramelis K, Xia B, Oakey J. Monodisperse polyethylene glycol diacrylate hydrogel microsphere formation by oxygen-controlled photopolymerization in a microfluidic device. LAB ON A CHIP 2016; 16:1457-65. [PMID: 26987384 PMCID: PMC4829474 DOI: 10.1039/c6lc00254d] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
PEG-based hydrogels have become widely used as drug delivery and tissue scaffolding materials. Common among PEG hydrogel-forming polymers are photopolymerizable acrylates such as polyethylene glycol diacrylate (PEGDA). Microfluidics and microfabrication technologies have recently enabled the miniaturization of PEGDA structures, thus enabling many possible applications for nano- and micro- structured hydrogels. The presence of oxygen, however, dramatically inhibits the photopolymerization of PEGDA, which in turn frustrates hydrogel formation in environments of persistently high oxygen concentration. Using PEGDA that has been emulsified in fluorocarbon oil via microfluidic flow focusing within polydimethylsiloxane (PDMS) devices, we show that polymerization is completely inhibited below critical droplet diameters. By developing an integrated model incorporating reaction kinetics and oxygen diffusion, we demonstrate that the critical droplet diameter is largely determined by the oxygen transport rate, which is dictated by the oxygen saturation concentration of the continuous oil phase. To overcome this fundamental limitation, we present a nitrogen micro-jacketed microfluidic device to reduce oxygen within the droplet, enabling the continuous on-chip photopolymerization of microscale PEGDA particles.
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Affiliation(s)
- K Krutkramelis
- Department of Chemical Engineering, University of Wyoming, USA.
| | - B Xia
- Department of Chemical Engineering, University of Wyoming, USA.
| | - J Oakey
- Department of Chemical Engineering, University of Wyoming, USA.
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Advantages and challenges of the spray-drying technology for the production of pure drug particles and drug-loaded polymeric carriers. Adv Colloid Interface Sci 2015; 223:40-54. [PMID: 26043877 DOI: 10.1016/j.cis.2015.05.003] [Citation(s) in RCA: 313] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 05/11/2015] [Accepted: 05/17/2015] [Indexed: 01/09/2023]
Abstract
Spray-drying is a rapid, continuous, cost-effective, reproducible and scalable process for the production of dry powders from a fluid material by atomization through an atomizer into a hot drying gas medium, usually air. Often spray-drying is considered only a dehydration process, though it also can be used for the encapsulation of hydrophilic and hydrophobic active compounds within different carriers without substantial thermal degradation, even of heat-sensitive substances due to fast drying (seconds or milliseconds) and relatively short exposure time to heat. The solid particles obtained present relatively narrow size distribution at the submicron-to-micron scale. Generally, the yield% of spray-drying at laboratory scale with conventional spray-dryers is not optimal (20-70%) due to the loss of product in the walls of the drying chamber and the low capacity of the cyclone to separate fine particles (<2 μm). Aiming to overcome this crucial drawback in early development stages, new devices that enable the production of submicron particles with high yield, even for small sample amounts, have been introduced into the market. This review describes the most outstanding advantages and challenges of the spray-drying method for the production of pure drug particles and drug-loaded polymeric particles and discusses the potential of this technique and the more advanced equipment to pave the way toward reproducible and scalable processes that are critical to the bench-to-bedside translation of innovative pharmaceutical products.
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d'Arcy R, Tirelli N. Fishing for fire: strategies for biological targeting and criteria for material design in anti-inflammatory therapies. POLYM ADVAN TECHNOL 2014. [DOI: 10.1002/pat.3264] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Richard d'Arcy
- School of Medicine/Institute of Inflammation and Repair; University of Manchester; Manchester M13 9PT UK
| | - Nicola Tirelli
- School of Medicine/Institute of Inflammation and Repair; University of Manchester; Manchester M13 9PT UK
- School of Materials; University of Manchester; Manchester M13 9PT UK
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Abstract
A significant number of research articles have focused on pulmonary delivery as an alternative administration route owing to no first-pass metabolism, low protease activity, thin epithelium barrier and large surface area in the lung system. Controlled release in the pulmonary delivery system further reduces loading dose, frequency of dosing and systemic side effects, and also increases duration of action and patient compliance. Compared with other microparticles used in controlled-release pulmonary administration, hydrogels (3D polymeric matrix networks) have recently been investigated due to their swelling and mucoadhesive properties that could help bypass pulmonary delivery barriers. This review introduces controlled-release drug delivery to the lung, followed by a summary of currently available approaches for controlled-release pulmonary drug delivery. Lastly, the origin, advantages, detailed applications and concerns of hydrogels in pulmonary delivery are discussed.
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Herold S, Gabrielli NM, Vadász I. Novel concepts of acute lung injury and alveolar-capillary barrier dysfunction. Am J Physiol Lung Cell Mol Physiol 2013; 305:L665-81. [PMID: 24039257 DOI: 10.1152/ajplung.00232.2013] [Citation(s) in RCA: 134] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In this review we summarize recent major advances in our understanding on the molecular mechanisms, mediators, and biomarkers of acute lung injury (ALI) and alveolar-capillary barrier dysfunction, highlighting the role of immune cells, inflammatory and noninflammatory signaling events, mechanical noxae, and the affected cellular and molecular entities and functions. Furthermore, we address novel aspects of resolution and repair of ALI, as well as putative candidates for treatment of ALI, including pharmacological and cellular therapeutic means.
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Affiliation(s)
- Susanne Herold
- Dept. of Internal Medicine, Justus Liebig Univ., Universities of Giessen and Marburg Lung Center, Klinikstrasse 33, 35392 Giessen, Germany.
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Poojari R, Srivastava R. Composite alginate microspheres as the next-generation egg-box carriers for biomacromolecules delivery. Expert Opin Drug Deliv 2013; 10:1061-76. [DOI: 10.1517/17425247.2013.796361] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Wehrung D, Sun S, Chamsaz EA, Joy A, Oyewumi MO. Biocompatibility and In Vivo Tolerability of a New Class of Photoresponsive Alkoxylphenacyl-Based Polycarbonates. J Pharm Sci 2013; 102:1650-60. [DOI: 10.1002/jps.23510] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Revised: 02/08/2013] [Accepted: 02/28/2013] [Indexed: 01/10/2023]
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Greene CM. MicroRNA Expression in Cystic Fibrosis Airway Epithelium. Biomolecules 2013; 3:157-67. [PMID: 24970162 PMCID: PMC4030891 DOI: 10.3390/biom3010157] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Revised: 02/01/2013] [Accepted: 02/03/2013] [Indexed: 01/13/2023] Open
Abstract
MicroRNAs (miRs) have emerged as major regulators of the protein content of a cell. In the most part, miRs negatively regulate target mRNA expression, with sets of miRs predicted to regulate certain signaling pathways. The miR expression profile of endobronchial brushings is altered in people with cystic fibrosis (CF) compared to those without CF. How this impacts on CF has important implications for our growing understanding of the pathophysiology of CF lung disease and the development of new therapeutics to treat its pulmonary manifestations. Herein we discuss the potential consequences of altered miR expression in CF airway epithelium particularly with respect to cystic fibrosis transmembrane conductance regulator (CFTR) expression, innate immunity and toll-like receptor signalling and explore how best to exploit these changes for therapeutic benefit.
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Affiliation(s)
- Catherine M Greene
- Respiratory Research Division, Department of Medicine, Royal College of Surgeons in Ireland, Education and Research Centre, Beaumont Hospital, Dublin 9, Ireland.
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Abstract
The emergence of RNAi offers a potentially exciting new therapeutic paradigm for respiratory diseases. However, effective delivery remains a key requirement for their translation into the clinic and has been a major factor in the limited clinical success seen to date. Inhalation offers tissue-specific targeting of the RNAi to treat respiratory diseases and a diminished risk of off-target effects. In order to deliver RNAi directly to the respiratory tract via inhalation, ‘smart’ non-viral carriers are required to protect the RNAi during delivery/aerosolization and enhance cell-specific uptake to target cells. Here, we review the state-of-the-art in therapeutic aerosol bioengineering, and specifically non-viral siRNA delivery platforms, for delivery via inhalation. This includes developments in inhaler device engineering and particle engineering, including manufacturing methods and excipients used in therapeutic aerosol bioengineering that underpin the development of smart, cell type-specific delivery systems to target siRNA to respiratory epithelial cells and/or alveolar macrophages.
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