1
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Zabihi F, Cherri M, Guo X, Rancan F, Schumacher F, Mohammadifar E, Kleuser B, Bäumer W, Schirner M, Vogt A, Haag R. Topical Delivery of Tofacitinib in Dermatology: The Promise of a Novel Therapeutic Class Using Biodegradable Dendritic Polyglycerol Sulfates. Pharmaceuticals (Basel) 2024; 17:77. [PMID: 38256910 PMCID: PMC10821331 DOI: 10.3390/ph17010077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/27/2023] [Accepted: 01/02/2024] [Indexed: 01/24/2024] Open
Abstract
Inflammatory skin diseases, such as psoriasis, atopic dermatitis, and alopecia areata, occur when the regulatory tolerance of the innate immune system is disrupted, resulting in the activation of the Janus kinase-signal transducer and activator of transcription (JAK-STAT) inflammatory signaling pathway by interleukin 6 (IL-6) and other key inflammatory cytokines. JAK inhibitors, such as tofacitinib, bind to these enzymes which are coupled to receptors on cell surfaces and block the transcription of inflammatory cytokine-induced genes. The first topical applications are being marketed, yet insufficient effects regarding indications, such as alopecia areata, suggest that improved delivery technologies could help increase the efficacy. In this study, we used sulfated dendritic polyglycerol with caprolactone segments integrated in its backbone (dPGS-PCL), with a molecular weight of 54 kDa, as a degradable carrier to load and solubilize the hydrophobic drug tofacitinib (TFB). TFB loaded in dPGS-PCL (dPGS-PCL@TFB), at a 11 w/w% loading capacity in aqueous solution, showed in an ex-vivo human skin model better penetration than free TFB in a 30:70 (v/v) ethanol/water mixture. We also investigated the anti-inflammatory efficacy of dPGS-PCL@TFB (0.5 w/w%), dPGS-PCL, and free TFB in the water/ethanol mixture by measuring their effects on IL-6 and IL-8 release, and STAT3 and STAT5 activation in ex vivo skin models of simulated inflamed human skin. Our results suggest that dPGS-PCL@TFB reduces the activation of STAT3 and STAT5 by increasing the penetration of the tofacitinib. However, no statistically significant differences with respect to the inhibition of IL-6 and IL-8 were observed in this short incubation time.
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Affiliation(s)
- Fatemeh Zabihi
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany; (F.Z.); (M.C.); (E.M.); (M.S.)
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology, and Allergy, Charité Universitaetsmedizin, 10117 Berlin, Germany; (X.G.); (F.R.)
| | - Mariam Cherri
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany; (F.Z.); (M.C.); (E.M.); (M.S.)
| | - Xiao Guo
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology, and Allergy, Charité Universitaetsmedizin, 10117 Berlin, Germany; (X.G.); (F.R.)
| | - Fiorenza Rancan
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology, and Allergy, Charité Universitaetsmedizin, 10117 Berlin, Germany; (X.G.); (F.R.)
| | - Fabian Schumacher
- Institute of Pharmacy (Pharmacology and Toxicology), Freie Universität Berlin, Königin-Luise-Straße 2+4, 14195 Berlin, Germany; (F.S.); (B.K.)
- Core Facility BioSupraMol PharmaMS, Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 2+4, 14195 Berlin, Germany
| | - Ehsan Mohammadifar
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany; (F.Z.); (M.C.); (E.M.); (M.S.)
| | - Burkhard Kleuser
- Institute of Pharmacy (Pharmacology and Toxicology), Freie Universität Berlin, Königin-Luise-Straße 2+4, 14195 Berlin, Germany; (F.S.); (B.K.)
| | - Wolfgang Bäumer
- Institute of Pharmacology and Toxicology, School of Veterinary Medicine, Freie Universität Berlin, Koserstr. 20, 14195 Berlin, Germany;
| | - Michael Schirner
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany; (F.Z.); (M.C.); (E.M.); (M.S.)
| | - Annika Vogt
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology, and Allergy, Charité Universitaetsmedizin, 10117 Berlin, Germany; (X.G.); (F.R.)
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany; (F.Z.); (M.C.); (E.M.); (M.S.)
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2
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Bolsoni J, Liu D, Mohabatpour F, Ebner R, Sadhnani G, Tafech B, Leung J, Shanta S, An K, Morin T, Chen Y, Arguello A, Choate K, Jan E, Ross CJ, Brambilla D, Witzigmann D, Kulkarni J, Cullis PR, Hedtrich S. Lipid Nanoparticle-Mediated Hit-and-Run Approaches Yield Efficient and Safe In Situ Gene Editing in Human Skin. ACS NANO 2023; 17:22046-22059. [PMID: 37918441 PMCID: PMC10655174 DOI: 10.1021/acsnano.3c08644] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 10/13/2023] [Indexed: 11/04/2023]
Abstract
Despite exciting advances in gene editing, the efficient delivery of genetic tools to extrahepatic tissues remains challenging. This holds particularly true for the skin, which poses a highly restrictive delivery barrier. In this study, we ran a head-to-head comparison between Cas9 mRNA or ribonucleoprotein (RNP)-loaded lipid nanoparticles (LNPs) to deliver gene editing tools into epidermal layers of human skin, aiming for in situ gene editing. We observed distinct LNP composition and cell-specific effects such as an extended presence of RNP in slow-cycling epithelial cells for up to 72 h. While obtaining similar gene editing rates using Cas9 RNP and mRNA with MC3-based LNPs (10-16%), mRNA-loaded LNPs proved to be more cytotoxic. Interestingly, ionizable lipids with a pKa ∼ 7.1 yielded superior gene editing rates (55%-72%) in two-dimensional (2D) epithelial cells while no single guide RNA-dependent off-target effects were detectable. Unexpectedly, these high 2D editing efficacies did not translate to actual skin tissue where overall gene editing rates between 5%-12% were achieved after a single application and irrespective of the LNP composition. Finally, we successfully base-corrected a disease-causing mutation with an efficacy of ∼5% in autosomal recessive congenital ichthyosis patient cells, showcasing the potential of this strategy for the treatment of monogenic skin diseases. Taken together, this study demonstrates the feasibility of an in situ correction of disease-causing mutations in the skin that could provide effective treatment and potentially even a cure for rare, monogenic, and common skin diseases.
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Affiliation(s)
- Juliana Bolsoni
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Danny Liu
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Fatemeh Mohabatpour
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Ronja Ebner
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Gaurav Sadhnani
- Berlin
Institute of Health @ Charité Universitätsmedizin, Berlin 10117, Germany
| | - Belal Tafech
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Jerry Leung
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Selina Shanta
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Kevin An
- NanoVation
Therapeutics, 2405 Wesbrook
Mall, Vancouver V6T 1Z3, BC, Canada
| | - Tessa Morin
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Yihang Chen
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Alfonso Arguello
- University
of Montréal, Faculty of Pharmacy, Montréal H3T 1J4, Quebec, Canada
| | - Keith Choate
- Departments
of Dermatology, Genetics, and Pathology, Yale University School of Medicine, New Haven 06510, Connecticut, United States
| | - Eric Jan
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Colin J.D. Ross
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Davide Brambilla
- University
of Montréal, Faculty of Pharmacy, Montréal H3T 1J4, Quebec, Canada
| | - Dominik Witzigmann
- NanoVation
Therapeutics, 2405 Wesbrook
Mall, Vancouver V6T 1Z3, BC, Canada
| | - Jayesh Kulkarni
- NanoVation
Therapeutics, 2405 Wesbrook
Mall, Vancouver V6T 1Z3, BC, Canada
| | - Pieter R. Cullis
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Sarah Hedtrich
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
- Berlin
Institute of Health @ Charité Universitätsmedizin, Berlin 10117, Germany
- Department
of Infectious Diseases and Respiratory Medicine, Charité -
Universitätsmedizin Berlin, corporate
member of Freie Universität Berlin and Humboldt Universität, Berlin 10117, Germany
- Max-Delbrück
Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin 13125, Germany
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Radbruch M, Pischon H, Du F, Haag R, Schumacher F, Kleuser B, Mundhenk L, Gruber AD. Biodegradable core-multishell nanocarrier: Topical tacrolimus delivery for treatment of dermatitis. J Control Release 2022; 349:917-928. [PMID: 35905785 DOI: 10.1016/j.jconrel.2022.07.025] [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: 11/13/2021] [Revised: 06/22/2022] [Accepted: 07/20/2022] [Indexed: 10/15/2022]
Abstract
Two challenges in topical drug delivery to the skin include solubilizing hydrophobic drugs in water-based formulations and increasing drug penetration into the skin. Polymeric core-multishell nanocarrier (CMS), particularly the novel biodegradable CMS (bCMS = hPG-PCL1.1K-mPEG2k-CMS) have shown both advantages on excised skin ex vivo. Here, we investigated topical delivery of tacrolimus (TAC; > 500 g/mol) by bCMS in a hydrogel on an oxazolone-induced model of dermatitis in vivo. As expected, bCMS successfully delivered TAC into the skin. However, in vivo they did not increase, but decrease TAC penetration through the stratum corneum compared to ointment. Differences in the resulting mean concentrations were mostly non-significant in the skin (epidermis: 35.7 ± 20.9 ng/cm2 for bCMS vs. 92.6 ± 62.7 ng/cm2 for ointment; dermis: 76.8 ± 26.8 ng/cm2vs 118.2 ± 50.4 ng/cm2), but highly significant in blood (plasma: 1.1 ± 0.4 ng/ml vs 11.3 ± 9.3 ng/ml; erythrocytes: 0.5 ± 0.2 ng/ml vs 3.4 ± 2.4 ng/ml) and liver (0.01 ± 0.01 ng/mg vs 0.03 ± 0.01 ng/mg). bCMS were detected in the stratum corneum but not in viable skin or beyond. The therapeutic efficacy of TAC delivered by bCMS was equivalent to that of standard TAC ointment. Our results suggest that bCMS may be a promising carrier for the topical delivery of TAC. The quantitative difference to previous results should be interpreted in light of structural differences between murine and human skin, but highlights the need as well as potential methods to develop more a complex ex vivo analysis on human skin to ensure quantitative predictive value.
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Affiliation(s)
- Moritz Radbruch
- Institute of Veterinary Pathology, Freie Universität Berlin, Robert-von-Ostertag Str. 15, 14163 Berlin, Germany
| | - Hannah Pischon
- Institute of Veterinary Pathology, Freie Universität Berlin, Robert-von-Ostertag Str. 15, 14163 Berlin, Germany
| | - Fang Du
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany
| | - Fabian Schumacher
- Department for Nutritional Toxicology, Universität Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Burkhard Kleuser
- Department for Nutritional Toxicology, Universität Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Lars Mundhenk
- Institute of Veterinary Pathology, Freie Universität Berlin, Robert-von-Ostertag Str. 15, 14163 Berlin, Germany
| | - Achim D Gruber
- Institute of Veterinary Pathology, Freie Universität Berlin, Robert-von-Ostertag Str. 15, 14163 Berlin, Germany.
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Graff P, Hönzke S, Joshi AA, Yealland G, Fleige E, Unbehauen M, Schäfer-Korting M, Hocke A, Haag R, Hedtrich S. Preclinical Testing of Dendritic Core-Multishell Nanoparticles in Inflammatory Skin Equivalents. Mol Pharm 2022; 19:1795-1802. [PMID: 35266720 DOI: 10.1021/acs.molpharmaceut.1c00734] [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] [Indexed: 01/04/2023]
Abstract
Human skin equivalents emerged as novel tools in preclinical dermatological research. It is being claimed that they may bridge the translational gap between preclinical and clinical research, yet only a few studies have investigated their suitability for preclinical drug testing so far. Therefore, we investigated if inflammatory skin equivalents, which emulate hallmarks of atopic dermatitis (AD), are suitable to assess the anti-inflammatory effects of dexamethasone (DXM) in a cream formulation or loaded onto dendritic core-multishell nanoparticles. Topical DXM application resulted in significantly decreased expression of the proinflammatory cytokine TSLP, increased expression of the skin barrier protein involucrin, and facilitated glucocorticoid receptor translocation in a dose-dependent manner. Further, DXM treatment inhibited gene expression of extracellular matrix components, potentially indicative of the known skin atrophy-inducing side effects of glucocorticoids. Overall, we were able to successfully assess the anti-inflammatory effects of DXM and the superiority of the nanoparticle formulation. Nevertheless the identification of robust readout parameters proved challenging and requires careful study design.
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Affiliation(s)
- Patrick Graff
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany.,Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Center of Biological Design, 13125 Berlin, Germany
| | - Stefan Hönzke
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany.,Research Unit for Photodermatology, Department of Dermatology and Venereology, Medical University of Graz, 8036 Graz, Austria
| | - Aaroh Anand Joshi
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany.,Department of Nephrology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Guy Yealland
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany
| | - Emanuel Fleige
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Michael Unbehauen
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Monika Schäfer-Korting
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany
| | - Andreas Hocke
- Department of Internal Medicine/Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Sarah Hedtrich
- Department of Internal Medicine/Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany.,Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Center of Biological Design, 13125 Berlin, Germany.,Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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5
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Dommisch H, Stolte KN, Jager J, Vogel K, Müller R, Hedtrich S, Unbehauen M, Haag R, Danker K. Characterization of an ester-based core-multishell (CMS) nanocarrier for the topical application at the oral mucosa. Clin Oral Investig 2021; 25:5795-5805. [PMID: 33821321 PMCID: PMC8443517 DOI: 10.1007/s00784-021-03884-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 03/11/2021] [Indexed: 01/09/2023]
Abstract
OBJECTIVES Topical drug administration is commonly applied to control oral inflammation. However, it requires sufficient drug adherence and a high degree of bioavailability. Here, we tested the hypothesis whether an ester-based core-multishell (CMS) nanocarrier is a suitable nontoxic drug-delivery system that penetrates efficiently to oral mucosal tissues, and thereby, increase the bioavailability of topically applied drugs. MATERIAL AND METHODS To evaluate adhesion and penetration, the fluorescence-labeled CMS 10-E-15-350 nanocarrier was applied to ex vivo porcine masticatory and lining mucosa in a Franz cell diffusion assay and to an in vitro 3D model. In gingival epithelial cells, potential cytotoxicity and proliferative effects of the nanocarrier were determined by MTT and sulphorhodamine B assays, respectively. Transepithelial electrical resistance (TEER) was measured in presence and absence of CMS 10-E-15-350 using an Endohm-12 chamber and a volt-ohm-meter. Cellular nanocarrier uptake was analyzed by laser scanning microscopy. Inflammatory responses were determined by monitoring pro-inflammatory cytokines using real-time PCR and ELISA. RESULTS CMS nanocarrier adhered to mucosal tissues within 5 min in an in vitro model and in ex vivo porcine tissues. The CMS nanocarrier exhibited no cytotoxic effects and induced no inflammatory responses. Furthermore, the physical barrier expressed by the TEER remained unaffected by the nanocarrier. CONCLUSIONS CMS 10-E-15-350 adhered to the oral mucosa and adhesion increased over time which is a prerequisite for an efficient drug release. Since TEER is unaffected, CMS nanocarrier may enter the oral mucosa transcellularly. CLINICAL RELEVANCE Nanocarrier technology is a novel and innovative approach for efficient topical drug delivery at the oral mucosa.
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Affiliation(s)
- H Dommisch
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197, Berlin, Germany. .,Department of Periodontology, University of Washington, Seattle, WA, USA.
| | - K N Stolte
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197, Berlin, Germany
| | - J Jager
- Institute for Biochemistry, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117, Berlin, Germany
| | - K Vogel
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197, Berlin, Germany
| | - R Müller
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197, Berlin, Germany
| | - S Hedtrich
- Pharmacology and Toxicology, Institute of Pharmacy, Freie Universität Berlin, 14195, Berlin, Germany.,Faculty of Pharmaceutical Sciences, University of British Columbia, 2405 Wesbrook Mall, Vancouver, BC, V6T1Z3, Canada
| | - M Unbehauen
- Institute for Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
| | - R Haag
- Institute for Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
| | - K Danker
- Institute for Biochemistry, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117, Berlin, Germany
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6
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The Efficacy of Cholesterol-Based Carriers in Drug Delivery. Molecules 2020; 25:molecules25184330. [PMID: 32971733 PMCID: PMC7570546 DOI: 10.3390/molecules25184330] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 08/04/2020] [Accepted: 08/06/2020] [Indexed: 02/06/2023] Open
Abstract
Several researchers have reported the use of cholesterol-based carriers in drug delivery. The presence of cholesterol in cell membranes and its wide distribution in the body has led to it being used in preparing carriers for the delivery of a variety of therapeutic agents such as anticancer, antimalarials and antivirals. These cholesterol-based carriers were designed as micelles, nanoparticles, copolymers, liposomes, etc. and their routes of administration include oral, intravenous and transdermal. The biocompatibility, good bioavailability and biological activity of cholesterol-based carriers make them potent prodrugs. Several in vitro and in vivo studies revealed cholesterol-based carriers potentials in delivering bioactive agents. In this manuscript, a critical review of the efficacy of cholesterol-based carriers is reported.
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7
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Frombach J, Rancan F, Kübrich K, Schumacher F, Unbehauen M, Blume-Peytavi U, Haag R, Kleuser B, Sabat R, Wolk K, Vogt A. Serine Protease-Mediated Cutaneous Inflammation: Characterization of an Ex Vivo Skin Model for the Assessment of Dexamethasone-Loaded Core Multishell-Nanocarriers. Pharmaceutics 2020; 12:pharmaceutics12090862. [PMID: 32927792 PMCID: PMC7558872 DOI: 10.3390/pharmaceutics12090862] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/02/2020] [Accepted: 09/07/2020] [Indexed: 11/29/2022] Open
Abstract
Standard experimental set-ups for the assessment of skin penetration are typically performed on skin explants with an intact skin barrier or after a partial mechanical or chemical perturbation of the stratum corneum, but they do not take into account biochemical changes. Among the various pathological alterations in inflamed skin, aberrant serine protease (SP) activity directly affects the biochemical environment in the superficial compartments, which interact with topically applied formulations. It further impacts the skin barrier structure and is a key regulator of inflammatory mediators. Herein, we used short-term cultures of ex vivo human skin treated with trypsin and plasmin as inflammatory stimuli to assess the penetration and biological effects of the anti-inflammatory drug dexamethasone (DXM), encapsulated in core multishell-nanocarriers (CMS-NC), when compared to a standard cream formulation. Despite a high interindividual variability, the combined pretreatment of the skin resulted in an average 2.5-fold increase of the transepidermal water loss and swelling of the epidermis, as assessed by optical coherence tomography, as well as in a moderate increase of a broad spectrum of proinflammatory mediators of clinical relevance. The topical application of DXM-loaded CMS-NC or DXM standard cream revealed an increased penetration into SP-treated skin when compared to untreated control skin with an intact barrier. Both formulations, however, delivered sufficient amounts of DXM to effectively suppress the production of interleukin-6 (IL-6), interleukin-8 (IL-8) and Thymic Stromal Lymphopoietin (TSLP). In conclusion, we suggest that the herein presented ex vivo inflammatory skin model is functional and could improve the selection of promising drug delivery strategies for anti-inflammatory compounds at early stages of development.
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Affiliation(s)
- Janna Frombach
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology and Allergy, Charité-Universitatsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (J.F.); (F.R.); (K.K.); (U.B.-P.)
| | - Fiorenza Rancan
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology and Allergy, Charité-Universitatsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (J.F.); (F.R.); (K.K.); (U.B.-P.)
| | - Katharina Kübrich
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology and Allergy, Charité-Universitatsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (J.F.); (F.R.); (K.K.); (U.B.-P.)
| | - Fabian Schumacher
- Institute of Nutritional Science, University of Potsdam, 14558 Nuthetal, Germany; (F.S.); (B.K.)
| | - Michael Unbehauen
- Organic Chemistry, Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, 14195 Berlin, Germany; (M.U.); (R.H.)
| | - Ulrike Blume-Peytavi
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology and Allergy, Charité-Universitatsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (J.F.); (F.R.); (K.K.); (U.B.-P.)
| | - Rainer Haag
- Organic Chemistry, Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, 14195 Berlin, Germany; (M.U.); (R.H.)
| | - Burkhard Kleuser
- Institute of Nutritional Science, University of Potsdam, 14558 Nuthetal, Germany; (F.S.); (B.K.)
| | - Robert Sabat
- Psoriasis Research and Treatment Center, Department of Dermatology, Venerology and Allergy/Institute for Medical Immunology, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (R.S.); (K.W.)
| | - Kerstin Wolk
- Psoriasis Research and Treatment Center, Department of Dermatology, Venerology and Allergy/Institute for Medical Immunology, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (R.S.); (K.W.)
| | - Annika Vogt
- Clinical Research Center for Hair and Skin Science, Department of Dermatology, Venereology and Allergy, Charité-Universitatsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (J.F.); (F.R.); (K.K.); (U.B.-P.)
- Correspondence:
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8
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Gene Delivery to the Skin - How Far Have We Come? Trends Biotechnol 2020; 39:474-487. [PMID: 32873394 PMCID: PMC7456264 DOI: 10.1016/j.tibtech.2020.07.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 12/19/2022]
Abstract
Gene therapies are powerful tools to prevent, treat, and cure human diseases. The application of gene therapies for skin diseases received little attention so far, despite the easy accessibility of skin and the urgent medical need. A major obstacle is the unique barrier properties of human skin, which significantly limits the absorption of biomacromolecules, and thus hampers the efficient delivery of nucleic acid payloads. In this review, we discuss current approaches, successes, and failures of cutaneous gene therapy and provide guidance toward the development of next-generation concepts. We specifically allude to the delivery strategies as the major obstacle that prevents the full potential of gene therapies – not only for skin disorders but also for almost any other human disease. Gene therapies are powerful tools for the treatment of inflammatory, genetic, and cancer-related skin diseases. The skin barrier function and the low number of cells that get transfected are the main hurdles for cutaneous gene therapy and contribute to the fact that gene therapies for skin diseases are an underexplored area. Gene editing provides an approach to cure rare and severe genodermatoses-like epidermolysis bullosa. First studies demonstrate the potential and invaluable impact these treatments may have even if only a small percentage of the gene function can be restored. Recent advancements demonstrate the power of non-viral delivery systems for the delivery of gene therapeutics to the skin. They may prove superior to viral vectors, the current gold standard, because their use is not limited by packaging size, serious safety concerns, or manufacturing issues.
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Zhang G, Bao C, Fu K, Lin Y, Li T, Yang H. Synthesis, Characterization, Self-Assembly, and Irritation Studies of Polyglyceryl-10 Caprylates. Polymers (Basel) 2020; 12:E294. [PMID: 32024256 PMCID: PMC7077386 DOI: 10.3390/polym12020294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/20/2020] [Accepted: 01/24/2020] [Indexed: 11/16/2022] Open
Abstract
1,4-dioxane should be less than or equal to 10 ppm in finished cosmetic products according to the recommendation of the Scientific Committee on Consumer Safety, but it is often generated as a by-product during the manufacturing process of poly(ethylene glycol) (PEG)-based derivatives. In order to avoid the possible risk caused by 1,4-dioxane, it might be a good choice for preparing cosmetic ingredients by using polyglycerin (PG) instead of PEG as a hydrophilic segment. In the present study, polyglyceryl-10 caprylates were synthesized by the esterification reaction between polyglycerin-10 and caprylic acid. FTIR and 1H NMR were utilized to confirm the chemical structures of the obtained polyglyceryl-10 caprylates. Light transmittance was availed to investigate the water solubility of polyglyceryl-10 caprylates. The self-assembly behavior, size, and size distribution of polyglyceryl-10 caprylates were investigated by dynamic light scattering. The makeup cleansing effect was also evaluated by in vitro and in vivo methods. Irritation was evaluated by hen's egg test-chorioallantoic membrane assay (HET-CAM). Results showed that polyglyceryl-10 monocaprylate could self-assemble into nanoparticles in the water at the concentration range of 2.5-10 wt% with a transparent appearance. The diameter of formed nanoparticles was around 100 nm with a narrow particle size distribution around 0.1 at the concentration of 2.5 wt% or 5 wt%. Polyglyceryl-10 monocaprylate exhibited good removal effect against makeup and excellent removal efficacy against pen eyeliner. The irritation of polyglyceryl-10 monocaprylate evaluated by HET-CAM at the concentration of 4 wt% was moderate irritant (irritation score = 8.4), which was lower than that of PEG-6 caprylic/capric glycerides (severe irritant, irritation score = 14.1). Therefore, polyglyceryl-10 monocaprylate might be a promising cosmetic ingredient for transparent makeup removing water.
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Affiliation(s)
- Guangyan Zhang
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, China; (C.B.); (T.L.)
| | - Chenhui Bao
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, China; (C.B.); (T.L.)
| | - Kaiqiao Fu
- Guangzhou KLD New Material Technology Co., Ltd., Guangzhou 510425, China; (K.F.); (Y.L.); (H.Y.)
| | - Yaolin Lin
- Guangzhou KLD New Material Technology Co., Ltd., Guangzhou 510425, China; (K.F.); (Y.L.); (H.Y.)
| | - Tianlong Li
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, China; (C.B.); (T.L.)
| | - Huping Yang
- Guangzhou KLD New Material Technology Co., Ltd., Guangzhou 510425, China; (K.F.); (Y.L.); (H.Y.)
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Cortés H, Del Prado-Audelo ML, Urbán-Morlán Z, Alcalá-Alcalá S, González-Torres M, Reyes-Hernández OD, González-Del Carmen M, Leyva-Gómez G. Pharmacological treatments for cutaneous manifestations of inherited ichthyoses. Arch Dermatol Res 2019; 312:237-248. [DOI: 10.1007/s00403-019-01994-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/26/2019] [Accepted: 10/03/2019] [Indexed: 12/11/2022]
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11
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Esquivel-Castro TA, Ibarra-Alonso M, Oliva J, Martínez-Luévanos A. Porous aerogel and core/shell nanoparticles for controlled drug delivery: A review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:915-940. [DOI: 10.1016/j.msec.2018.11.067] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 11/06/2018] [Accepted: 11/27/2018] [Indexed: 12/12/2022]
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12
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Gao L, Zabihi F, Ehrmann S, Hedtrich S, Haag R. Supramolecular nanogels fabricated via host-guest molecular recognition as penetration enhancer for dermal drug delivery. J Control Release 2019; 300:64-72. [PMID: 30797001 DOI: 10.1016/j.jconrel.2019.02.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/05/2019] [Accepted: 02/10/2019] [Indexed: 11/30/2022]
Abstract
Nanogels that are assembled by supramolecular interactions as compared to covalent crosslinked nanogels, exhibit new functionalities with potential for easy processability, recycling and self-healing due to the nature of dynamic and reversible non-covalent interactions. Here we design a supramolecular polymer nanogel that utilize host-guest interactions between the groups pillar [5] arene and alkyl chains on hyperbranched polyglycerol backbone as crosslinking agents for a new dermal drug delivery system. The anti-inflammatory drug Dexamethasone (Dexa) can be efficiently loaded into the nanogels and released from the assemblies. Besides, the supramolecular polymer nanogels exhibit better drug loading capacity and skin penetration enhancement than the individual host polymer and guest polymer. In vitro skin permeation studies show that supramolecular polymer nanogels can improve the Nile red penetration through the skin by up to 9 fold, compared to the individual polymers or a conventional cream formulation on a barrier deficient skin model.
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Affiliation(s)
- Lingyan Gao
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Fatemeh Zabihi
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany; Institut für Pharmazie (Pharmakologie und Toxikologie), Freie Universität Berlin, 14195 Berlin, Germany
| | - Svenja Ehrmann
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Sarah Hedtrich
- Institut für Pharmazie (Pharmakologie und Toxikologie), Freie Universität Berlin, 14195 Berlin, Germany; University of British Columbia, Faculty of Pharmaceutical Sciences, 2405 Wesbrook Mall, V6T1Z3 Vancouver, Canada
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany.
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13
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Weinhart M, Hocke A, Hippenstiel S, Kurreck J, Hedtrich S. 3D organ models-Revolution in pharmacological research? Pharmacol Res 2019; 139:446-451. [PMID: 30395949 PMCID: PMC7129286 DOI: 10.1016/j.phrs.2018.11.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/30/2018] [Accepted: 11/01/2018] [Indexed: 01/15/2023]
Abstract
3D organ models have gained increasing attention as novel preclinical test systems and alternatives to animal testing. Over the years, many excellent in vitro tissue models have been developed. In parallel, microfluidic organ-on-a-chip tissue cultures have gained increasing interest for their ability to house several organ models on a single device and interlink these within a human-like environment. In contrast to these advancements, the development of human disease models is still in its infancy. Although major advances have recently been made, efforts still need to be intensified. Human disease models have proven valuable for their ability to closely mimic disease patterns in vitro, permitting the study of pathophysiological features and new treatment options. Although animal studies remain the gold standard for preclinical testing, they have major drawbacks such as high cost and ongoing controversy over their predictive value for several human conditions. Moreover, there is growing political and social pressure to develop alternatives to animal models, clearly promoting the search for valid, cost-efficient and easy-to-handle systems lacking interspecies-related differences. In this review, we discuss the current state of the art regarding 3D organ as well as the opportunities, limitations and future implications of their use.
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Affiliation(s)
- Marie Weinhart
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany
| | - Andreas Hocke
- Dept. of Infectious and Respiratory Diseases, Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Germany
| | - Stefan Hippenstiel
- Dept. of Infectious and Respiratory Diseases, Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Germany
| | - Jens Kurreck
- Technical University Berlin, Institute for Biotechnology, Berlin, Germany
| | - Sarah Hedtrich
- Freie Universität Berlin, Institute for Pharmacy, Pharmacology & Toxicology, Königin-Luise-Str. 2-4, Berlin, 14195, Germany.
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14
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Zabihi F, Graff P, Schumacher F, Kleuser B, Hedtrich S, Haag R. Synthesis of poly(lactide-co-glycerol) as a biodegradable and biocompatible polymer with high loading capacity for dermal drug delivery. NANOSCALE 2018; 10:16848-16856. [PMID: 30168550 DOI: 10.1039/c8nr05536j] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Due to the low cutaneous bioavailability of tacrolimus (TAC), penetration enhancers are used to improve its penetration into the skin. However, poor loading capacity, non-biodegradability, toxicity, and in some cases inefficient skin penetration are challenging issues that hamper their applications for the dermal TAC delivery. Here we present poly(lactide-co-glycerol) (PLG) as a water soluble, biodegradable, and biocompatible TAC-carrier with high loading capacity (14.5% w/w for TAC) and high drug delivery efficiencies into the skin. PLG was synthesized by cationic ring-opening copolymerization of a mixture of glycidol and lactide and showed 35 nm and 300 nm average sizes in aqueous solutions before and after loading of TAC, respectively. Delivery experiments on human skin, quantified by fluorescence microscopy and LC-MS/MS, showed a high ability for PLG to deposit Nile red and TAC into the stratum corneum and viable epidermis of skin in comparison with Protopic® (0.03% w/w, TAC ointment). The cutaneous distribution profile of delivered TAC proved that 80%, 16%, and 4% of the cutaneous drug level was deposited in the stratum corneum, viable epidermis, and upper dermis, respectively. TAC delivered by PLG was able to efficiently decrease the IL-2 and TSLP expressions in human skin models. Taking advantage of the excellent physicochemical and biological properties of PLG, it can be used for efficient dermal TAC delivery and potential treatment of inflammatory skin diseases.
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Affiliation(s)
- Fatemeh Zabihi
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany.
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15
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Walker KA, Unbehauen ML, Lohan SB, Saeidpour S, Meinke MC, Zimmer R, Haag R. Spin-labeling of Dexamethasone: Radical Stability vs. Temporal Resolution of EPR-Spectroscopy on Biological Samples. Z PHYS CHEM 2018. [DOI: 10.1515/zpch-2017-1076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Abstract
Spin-labeling active compounds is a convenient way to prepare them for EPR spectroscopy with minimal alteration of the target molecule. In this study we present the labeling reaction of dexamethasone (Dx) with either TEMPO (2,2,6,6-tetramethyl-1-piperidinyloxy) or PCA (3-(carboxy)-2,2,5,5-tetramethyl-1-pyrrolidinyloxy) with high yields. According to NMR data, both labels are attached at the primary hydroxy group of the steroid. In subsequent spin-stability measurements both compounds were applied onto HaCaT cells. When the signal of Dx-TEMPO decreased below the detection limit within 3 h, the signal of Dx-PCA remained stable for the same period of time.
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Affiliation(s)
- Karolina A. Walker
- Institute for Chemistry and Biochemistry , Freie Universität Berlin, Takustrasse 3 , 14195 Berlin , Germany
| | - Michael L. Unbehauen
- Institute for Chemistry and Biochemistry , Freie Universität Berlin, Takustrasse 3 , 14195 Berlin , Germany
| | - Silke B. Lohan
- Department of Dermatology, Venerology and Allergology , Center of Experimental and Applied Cutaneous Physiology, Charité – Universitätsmedizin Berlin, Charitéplatz 1 , 10117 Berlin , Germany
| | - Siavash Saeidpour
- Department of Physics , Freie Universität Berlin, Arnimallee 14 , 14195 Berlin , Germany
| | - Martina C. Meinke
- Department of Dermatology, Venerology and Allergology , Center of Experimental and Applied Cutaneous Physiology, Charité – Universitätsmedizin Berlin, Charitéplatz 1 , 10117 Berlin , Germany
| | - Reinhold Zimmer
- Institute for Chemistry and Biochemistry , Freie Universität Berlin, Takustrasse 3 , 14195 Berlin , Germany
| | - Rainer Haag
- Institute for Chemistry and Biochemistry , Freie Universität Berlin, Takustrasse 3 , 14195 Berlin , Germany
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16
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Frombach J, Lohan SB, Lemm D, Gruner P, Hasler J, Ahlberg S, Blume-Peytavi U, Unbehauen M, Haag R, Meinke MC, Vogt A. Protease-mediated Inflammation: An In Vitro Human Keratinocyte-based Screening Tool for Anti-inflammatory Drug Nanocarrier Systems. ACTA ACUST UNITED AC 2018. [DOI: 10.1515/zpch-2017-1048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Abstract
Background:
Refined encapsulation approaches in dermatotherapy gain increased interest. There is need of reproducible in vitro systems representing disease features to screen drug delivery systems for preclinical assessment. Inflammatory human skin diseases are commonly accompanied by abnormal epidermal differentiation and barrier impairment. Serine proteases (SPs) and their inhibitors play a critical role in such dysfunctional differentiation. SPs also initiate cellular pathways via activation of protease-activated receptors, which contribute to inflammation. Thus, function and activity of SPs should be considered for the design of new therapies of such disorders.
Objectives:
Herein, we established a novel simplified cell culture model, based on SP-mediated inflammation suitable to assess nanocarriers loaded with anti-inflammatory drugs.
Methods:
SP-mediated inflammation and the regulatory effect of free or encapsulated dexamethasone were determined by measuring interleukin-6 and interleukin-8 in culture medium of HaCaT (human adult low calcium temperature)-keratinocytes. Additionally, radical formation was analyzed by electron paramagnetic resonance spectroscopy. Cellular uptake of core-multishell nanocarriers was investigated by fluorescence microscopy. Cytotoxicity of all additives was determined by a viability assay.
Results:
SP-Stimulation of keratinocytes resulted in increased radical production and release of inflammatory cytokines without affecting cell viability. Induced inflammation was successfully downregulated by addition of free or encapsulated dexamethasone.
Conclusion:
SP-addition can be used as inflammatory stimulus in cell culture to mimic effects of aberrant enzymatic activities found in skin of atopic dermatitis patients. The set-up is appropriate as a preliminary test to examine the effectiveness of new molecules or delivery-systems to counteract serine protease-mediated inflammatory processes prior to skin studies.
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Affiliation(s)
- Janna Frombach
- Clinical Research Center for Hair and Skin Science , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Silke B. Lohan
- Center of Experimental and Applied Cutaneous Physiology , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Davina Lemm
- Clinical Research Center for Hair and Skin Science , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Paul Gruner
- Clinical Research Center for Hair and Skin Science , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Julia Hasler
- Center of Experimental and Applied Cutaneous Physiology , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Sebastian Ahlberg
- Center of Experimental and Applied Cutaneous Physiology , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Ulrike Blume-Peytavi
- Clinical Research Center for Hair and Skin Science , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Michael Unbehauen
- Freie Universität Berlin , Institut für Chemie und Biochemie , Berlin , Germany
| | - Rainer Haag
- Freie Universität Berlin , Institut für Chemie und Biochemie , Berlin , Germany
| | - Martina C. Meinke
- Center of Experimental and Applied Cutaneous Physiology , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin , Berlin , Germany
| | - Annika Vogt
- Clinical Research Center for Hair and Skin Science , Department of Dermatology, Venerology and Allergy , Charité – Universitätsmedizin Berlin, Charitéplatz 1 , Berlin , Germany , Phone: +4930450518207, 10117
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Edlich A, Volz P, Brodwolf R, Unbehauen M, Mundhenk L, Gruber AD, Hedtrich S, Haag R, Alexiev U, Kleuser B. Crosstalk between core-multishell nanocarriers for cutaneous drug delivery and antigen-presenting cells of the skin. Biomaterials 2018; 162:60-70. [PMID: 29438881 DOI: 10.1016/j.biomaterials.2018.01.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 01/24/2018] [Accepted: 01/31/2018] [Indexed: 01/15/2023]
Abstract
Owing their unique chemical and physical properties core-multishell (CMS) nanocarriers are thought to underlie their exploitable biomedical use for a topical treatment of skin diseases. This highlights the need to consider not only the efficacy of CMS nanocarriers but also the potentially unpredictable and adverse consequences of their exposure thereto. As CMS nanocarriers are able to penetrate into viable layers of normal and stripped human skin ex vivo as well as in in vitro skin disease models the understanding of nanoparticle crosstalk with components of the immune system requires thorough investigation. Our studies highlight the biocompatible properties of CMS nanocarriers on Langerhans cells of the skin as they did neither induce cytotoxicity and genotoxicity nor cause reactive oxygen species (ROS) or an immunological response. Nevertheless, CMS nanocarriers were efficiently taken up by Langerhans cells via divergent endocytic pathways. Bioimaging of CMS nanocarriers by fluorescence lifetime imaging microscopy (FLIM) and flow cytometry indicated not only a localization within the lysosomes but also an energy-dependent exocytosis of unmodified CMS nanocarriers into the extracellular environment.
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Affiliation(s)
- Alexander Edlich
- Institute of Nutritional Science, University of Potsdam, Potsdam, Germany
| | - Pierre Volz
- Institute of Experimental Physics, Freie Universität Berlin, Berlin, Germany
| | - Robert Brodwolf
- Institute of Experimental Physics, Freie Universität Berlin, Berlin, Germany
| | - Michael Unbehauen
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Lars Mundhenk
- Institute of Veterinary Pathology, Freie Universität Berlin, Berlin, Germany
| | - Achim D Gruber
- Institute of Veterinary Pathology, Freie Universität Berlin, Berlin, Germany
| | - Sarah Hedtrich
- Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Ulrike Alexiev
- Institute of Experimental Physics, Freie Universität Berlin, Berlin, Germany.
| | - Burkhard Kleuser
- Institute of Nutritional Science, University of Potsdam, Potsdam, Germany.
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Giulbudagian M, Yealland G, Hönzke S, Edlich A, Geisendörfer B, Kleuser B, Hedtrich S, Calderón M. Breaking the Barrier - Potent Anti-Inflammatory Activity following Efficient Topical Delivery of Etanercept using Thermoresponsive Nanogels. Am J Cancer Res 2018; 8:450-463. [PMID: 29290820 PMCID: PMC5743560 DOI: 10.7150/thno.21668] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 10/05/2017] [Indexed: 12/16/2022] Open
Abstract
Topical administration permits targeted, sustained delivery of therapeutics to human skin. Delivery to the skin, however, is typically limited to lipophilic molecules with molecular weight of < 500 Da, capable of crossing the stratum corneum. Nevertheless, there are indications protein delivery may be possible in barrier deficient skin, a condition found in several inflammatory skin diseases such as psoriasis, using novel nanocarrier systems. Methods: Water in water thermo-nanoprecipitation; dynamic light scattering; zeta potential measurement; nanoparticle tracking analysis; atomic force microscopy; cryogenic transmission electron microscopy; UV absorption; centrifugal separation membranes; bicinchoninic acid assay; circular dichroism; TNFα binding ELISA; inflammatory skin equivalent construction; human skin biopsies; immunohistochemistry; fluorescence microscopy; western blot; monocyte derived Langerhans cells; ELISA Results: Here, we report the novel synthesis of thermoresponsive nanogels (tNG) and the stable encapsulation of the anti-TNFα fusion protein etanercept (ETR) (~150 kDa) without alteration to its structure, as well as temperature triggered release from the tNGs. Novel tNG synthesis without the use of organic solvents was conducted, permitting in situ encapsulation of protein during assembly, something that holds great promise for easy manufacture and storage. Topical application of ETR loaded tNGs to inflammatory skin equivalents or tape striped human skin resulted in efficient ETR delivery throughout the SC and into the viable epidermis that correlated with clear anti-inflammatory effects. Notably, effective ETR delivery depended on temperature triggered release following topical application. Conclusion: Together these results indicate tNGs hold promise as a biocompatible and easy to manufacture vehicle for stable protein encapsulation and topical delivery into barrier-deficient skin.
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Giulbudagian M, Hönzke S, Bergueiro J, Işık D, Schumacher F, Saeidpour S, Lohan SB, Meinke MC, Teutloff C, Schäfer-Korting M, Yealland G, Kleuser B, Hedtrich S, Calderón M. Enhanced topical delivery of dexamethasone by β-cyclodextrin decorated thermoresponsive nanogels. NANOSCALE 2017; 10:469-479. [PMID: 29227500 DOI: 10.1039/c7nr04480a] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Highly hydrophilic, responsive nanogels are attractive as potential systems for the topical delivery of bioactives encapsulated in their three-dimensional polymeric scaffold. Yet, these drug carrier systems suffer from drawbacks for efficient delivery of hydrophobic drugs. Addressing this, β-cyclodextrin (βCD) could be successfully introduced into the drug carrier systems by exploiting its unique affinity toward dexamethasone (DXM) as well as its role as topical penetration enhancer. The properties of βCD could be combined with those of thermoresponsive nanogels (tNGs) based on dendritic polyglycerol (dPG) as a crosslinker and linear thermoresponsive polyglycerol (tPG) inducing responsiveness to temperature changes. Electron paramagnetic resonance (EPR) studies localized the drug within the hydrophobic cavity of βCD by differences in its mobility and environmental polarity. In fact, the fabricated carriers combining a particulate delivery system with a conventional penetration enhancer, resulted in an efficient delivery of DXM to the epidermis and the dermis of human skin ex vivo (enhancement compared to commercial DXM cream: ∼2.5 fold in epidermis, ∼30 fold in dermis). Furthermore, DXM encapsulated in βCD tNGs applied to skin equivalents downregulated the expression of proinflammatory thymic stromal lymphopoietin (TSLP) and outperformed a commercially available DXM cream.
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Affiliation(s)
- M Giulbudagian
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustrasse 3, 14195 Berlin, Germany.
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20
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Volz P, Schilrreff P, Brodwolf R, Wolff C, Stellmacher J, Balke J, Morilla MJ, Zoschke C, Schäfer-Korting M, Alexiev U. Pitfalls in using fluorescence tagging of nanomaterials: tecto-dendrimers in skin tissue as investigated by Cluster-FLIM. Ann N Y Acad Sci 2017; 1405:202-214. [DOI: 10.1111/nyas.13473] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 08/21/2017] [Accepted: 08/24/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Pierre Volz
- Institute of Experimental Physics; Freie Universität Berlin; Berlin Germany
| | - Priscila Schilrreff
- Nanomedicine Research Program (Departamento de Ciencia y Tecnologia); Universidad Nacional de Quilmes; Buenos Aires Argentina
| | - Robert Brodwolf
- Institute of Experimental Physics; Freie Universität Berlin; Berlin Germany
| | - Christopher Wolff
- Institute for Pharmacy (Pharmacology and Toxicology); Freie Universität Berlin; Berlin Germany
| | | | - Jens Balke
- Institute of Experimental Physics; Freie Universität Berlin; Berlin Germany
| | - Maria J. Morilla
- Nanomedicine Research Program (Departamento de Ciencia y Tecnologia); Universidad Nacional de Quilmes; Buenos Aires Argentina
| | - Christian Zoschke
- Institute for Pharmacy (Pharmacology and Toxicology); Freie Universität Berlin; Berlin Germany
| | - Monika Schäfer-Korting
- Institute for Pharmacy (Pharmacology and Toxicology); Freie Universität Berlin; Berlin Germany
| | - Ulrike Alexiev
- Institute of Experimental Physics; Freie Universität Berlin; Berlin Germany
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21
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Jager J, Obst K, Lohan SB, Viktorov J, Staufenbiel S, Renz H, Unbehauen M, Haag R, Hedtrich S, Teutloff C, Meinke MC, Danker K, Dommisch H. Characterization of hyperbranched core-multishell nanocarriers as an innovative drug delivery system for the application at the oral mucosa. J Periodontal Res 2017; 53:57-65. [PMID: 28898420 DOI: 10.1111/jre.12487] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2017] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND OBJECTIVES In the oral cavity, the mucosal tissues may develop a number of different pathological conditions, such as inflammatory diseases (gingivitis, periodontitis) and autoimmune disorders (eg, oral lichen planus) that require therapy. The application of topical drugs is one common therapeutic approach. However, their efficacy is limited. Dilution effects due to saliva hinder the adherence and the penetration of drug formulations. Therefore, the bioavailability of oral topical drugs is insufficient, and patients may suffer from disease over years, if not life-long. MATERIAL AND METHODS In the present study, we characterized core-multishell (CMS) nanocarriers for their potential use as drug delivery systems at oral mucosal tissues. For this purpose, we prepared porcine masticatory as well as buccal mucosa and performed Franz cell diffusion experiments. Penetration of fluorescently labeled CMS nanocarriers into the mucosal tissue was analyzed using confocal laser scanning microscopy. Upon exposure to CMS nanocarriers, the metabolic and proliferative activity of gingival epithelial cells was determined by MTT and sulforhodamine B assays, respectively. RESULTS Here, we could show that the carriers penetrate into both mucosal tissues, while particles penetrate deeper into the masticatory mucosa. Electron paramagnetic resonance spectroscopy revealed that the 3-carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxy-labeled glucocorticoid dexamethasone loaded on to the CMS nanocarriers was released from the carriers in both mucosal tissues but with a higher efficiency in the buccal mucosa. The release from the nanocarriers is in both cases superior compared to the release from a conventional cream, which is normally used for the treatment of inflammatory conditions in the oral cavity. The CMS nanocarriers exhibited neither cytotoxic nor proliferative effects in vitro. CONCLUSION These findings suggested that CMS nanocarriers might be an innovative approach for topical drug delivery in the treatment of oral inflammatory diseases.
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Affiliation(s)
- J Jager
- Institute for Biochemistry, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - K Obst
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, Berlin, Germany
| | - S B Lohan
- Department of Dermatology, Venerology and Allergology, Center of Experimental and Applied Cutaneous Physiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - J Viktorov
- Department of Periodontology and Synoptic Dentistry, Charité - Medical University Berlin, Berlin, Germany
| | - S Staufenbiel
- Institute of Pharmacy, Pharmaceutical Technology, Freie Universität Berlin, Berlin, Germany
| | - H Renz
- Department of Craniofacial Developmental Biology, Charité - Medical University Berlin, Berlin, Germany
| | - M Unbehauen
- Institute for Organic Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - R Haag
- Institute for Organic Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - S Hedtrich
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, Berlin, Germany
| | - C Teutloff
- Department of Physics, Freie Universität Berlin, Berlin, Germany
| | - M C Meinke
- Department of Dermatology, Venerology and Allergology, Center of Experimental and Applied Cutaneous Physiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - K Danker
- Institute for Biochemistry, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - H Dommisch
- Department of Periodontology and Synoptic Dentistry, Charité - Medical University Berlin, Berlin, Germany.,Department of Oral Health Sciences, University of Washington, Seattle, WA, USA
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22
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Unbehauen ML, Fleige E, Paulus F, Schemmer B, Mecking S, Moré SD, Haag R. Biodegradable Core⁻Multishell Nanocarriers: Influence of Inner Shell Structure on the Encapsulation Behavior of Dexamethasone and Tacrolimus. Polymers (Basel) 2017; 9:E316. [PMID: 30970993 PMCID: PMC6418772 DOI: 10.3390/polym9080316] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 07/18/2017] [Accepted: 07/25/2017] [Indexed: 11/17/2022] Open
Abstract
We here present the synthesis and characterization of a set of biodegradable core⁻multishell (CMS) nanocarriers. The CMS nanocarrier structure consists of hyperbranched polyglycerol (hPG) as core material, a hydrophobic (12, 15, 18, 19, and 36 C-atoms) inner and a polyethylene glycol monomethyl ether (mPEG) outer shell that were conjugated by ester bonds only to reduce the toxicity of metabolites. The loading capacities (LC) of the drugs, dexamethasone and tacrolimus, and the aggregate formation, phase transitions, and degradation kinetics were determined. The intermediate inner shell length (C15) system had the best overall performance with good LCs for both drugs as well as a promising degradation and release kinetics, which are of interest for dermal delivery.
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Affiliation(s)
- Michael L Unbehauen
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Takustraße 3, 14195 Berlin, Germany.
| | - Emanuel Fleige
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Takustraße 3, 14195 Berlin, Germany.
- DendroPharm GmbH, Arnimallee 14, 14195 Berlin, Germany.
| | - Florian Paulus
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Takustraße 3, 14195 Berlin, Germany.
- DendroPharm GmbH, Arnimallee 14, 14195 Berlin, Germany.
| | - Brigitta Schemmer
- Chemical Materials Science, Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78467 Konstanz, Germany.
| | - Stefan Mecking
- Chemical Materials Science, Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78467 Konstanz, Germany.
| | | | - Rainer Haag
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Takustraße 3, 14195 Berlin, Germany.
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23
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Obst K, Yealland G, Balzus B, Miceli E, Dimde M, Weise C, Eravci M, Bodmeier R, Haag R, Calderón M, Charbaji N, Hedtrich S. Protein Corona Formation on Colloidal Polymeric Nanoparticles and Polymeric Nanogels: Impact on Cellular Uptake, Toxicity, Immunogenicity, and Drug Release Properties. Biomacromolecules 2017; 18:1762-1771. [DOI: 10.1021/acs.biomac.7b00158] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Katja Obst
- Institute
for Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2-4, 14195 Berlin, Germany
- Multifunctional
Biomaterials for Medicine, Helmholtz Virtual Institute, Kantstr. 55, 14513 Teltow, Germany
| | - Guy Yealland
- Institute
for Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2-4, 14195 Berlin, Germany
| | - Benjamin Balzus
- Institute
for Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany
| | - Enrico Miceli
- Institute
for Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
- Multifunctional
Biomaterials for Medicine, Helmholtz Virtual Institute, Kantstr. 55, 14513 Teltow, Germany
| | - Mathias Dimde
- Institute
for Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - Christoph Weise
- Institute
for Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - Murat Eravci
- Institute
for Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - Roland Bodmeier
- Institute
for Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany
| | - Rainer Haag
- Institute
for Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
- Multifunctional
Biomaterials for Medicine, Helmholtz Virtual Institute, Kantstr. 55, 14513 Teltow, Germany
| | - Marcelo Calderón
- Institute
for Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
- Multifunctional
Biomaterials for Medicine, Helmholtz Virtual Institute, Kantstr. 55, 14513 Teltow, Germany
| | - Nada Charbaji
- Institute
for Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2-4, 14195 Berlin, Germany
- Multifunctional
Biomaterials for Medicine, Helmholtz Virtual Institute, Kantstr. 55, 14513 Teltow, Germany
| | - Sarah Hedtrich
- Institute
for Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2-4, 14195 Berlin, Germany
- Multifunctional
Biomaterials for Medicine, Helmholtz Virtual Institute, Kantstr. 55, 14513 Teltow, Germany
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24
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Gerecke C, Edlich A, Giulbudagian M, Schumacher F, Zhang N, Said A, Yealland G, Lohan SB, Neumann F, Meinke MC, Ma N, Calderón M, Hedtrich S, Schäfer-Korting M, Kleuser B. Biocompatibility and characterization of polyglycerol-based thermoresponsive nanogels designed as novel drug-delivery systems and their intracellular localization in keratinocytes. Nanotoxicology 2017; 11:267-277. [PMID: 28165853 DOI: 10.1080/17435390.2017.1292371] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Novel nanogels that possess the capacity to change their physico-chemical properties in response to external stimuli are promising drug-delivery candidates for the treatment of severe skin diseases. As thermoresponsive nanogels (tNGs) are capable of enhancing penetration through biological barriers such as the stratum corneum and are taken up by keratinocytes of human skin, potential adverse consequences of their exposure must be elucidated. In this study, tNGs were synthesized from dendritic polyglycerol (dPG) and two thermoresponsive polymers. tNG_dPG_tPG are the combination of dPG with poly(glycidyl methyl ether-co-ethyl glycidyl ether) (p(GME-co-EGE)) and tNG_dPG_pNIPAM the one with poly(N-isopropylacrylamide) (pNIPAM). Both thermoresponsive nanogels are able to incorporate high amounts of dexamethasone and tacrolimus, drugs used in the treatment of severe skin diseases. Cellular uptake, intracellular localization and the toxicological properties of the tNGs were comprehensively characterized in primary normal human keratinocytes (NHK) and in spontaneously transformed aneuploid immortal keratinocyte cell line from adult human skin (HaCaT). Laser scanning confocal microscopy revealed fluorescently labeled tNGs entered into the cells and localized predominantly within lysosomal compartments. MTT assay, comet assay and carboxy-H2DCFDA assay, demonstrated neither cytotoxic or genotoxic effects, nor any induction of reactive oxygen species of the tNGs in keratinocytes. In addition, both tNGs were devoid of eye irritation potential as shown by bovine corneal opacity and permeability (BCOP) test and red blood cell (RBC) hemolysis assay. Therefore, our study provides evidence that tNGs are locally well tolerated and underlines their potential for cutaneous drug delivery.
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Affiliation(s)
- Christian Gerecke
- a Institute of Nutritional Science, Department of Nutritional Toxicology , University of Potsdam , Arthur-Scheunert-Allee 114-116 , Nuthetal , Germany
| | - Alexander Edlich
- a Institute of Nutritional Science, Department of Nutritional Toxicology , University of Potsdam , Arthur-Scheunert-Allee 114-116 , Nuthetal , Germany
| | - Michael Giulbudagian
- b Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin , Germany
| | - Fabian Schumacher
- a Institute of Nutritional Science, Department of Nutritional Toxicology , University of Potsdam , Arthur-Scheunert-Allee 114-116 , Nuthetal , Germany.,c Department of Molecular Biology , University of Duisburg-Essen , Essen , Germany
| | - Nan Zhang
- d Institute for Pharmacy (Pharmacology and Toxicology) , Freie Universität Berlin , Berlin , Germany
| | - Andre Said
- d Institute for Pharmacy (Pharmacology and Toxicology) , Freie Universität Berlin , Berlin , Germany
| | - Guy Yealland
- d Institute for Pharmacy (Pharmacology and Toxicology) , Freie Universität Berlin , Berlin , Germany
| | - Silke B Lohan
- e Charité - Universitätsmedizin Berlin, Department of Dermatology, Venerology and Allergology , Center of Experimental and Applied Cutaneous Physiology , Berlin , Germany
| | - Falko Neumann
- b Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin , Germany
| | - Martina C Meinke
- e Charité - Universitätsmedizin Berlin, Department of Dermatology, Venerology and Allergology , Center of Experimental and Applied Cutaneous Physiology , Berlin , Germany
| | - Nan Ma
- f Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht , Teltow , Germany
| | - Marcelo Calderón
- b Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin , Germany
| | - Sarah Hedtrich
- d Institute for Pharmacy (Pharmacology and Toxicology) , Freie Universität Berlin , Berlin , Germany
| | - Monika Schäfer-Korting
- d Institute for Pharmacy (Pharmacology and Toxicology) , Freie Universität Berlin , Berlin , Germany
| | - Burkhard Kleuser
- a Institute of Nutritional Science, Department of Nutritional Toxicology , University of Potsdam , Arthur-Scheunert-Allee 114-116 , Nuthetal , Germany
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25
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Abbina S, Vappala S, Kumar P, Siren EMJ, La CC, Abbasi U, Brooks DE, Kizhakkedathu JN. Hyperbranched polyglycerols: recent advances in synthesis, biocompatibility and biomedical applications. J Mater Chem B 2017; 5:9249-9277. [DOI: 10.1039/c7tb02515g] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hyperbranched polyglycerol is one of the most widely studied biocompatible dendritic polymer and showed promising applications. Here, we summarized the recent advancements in the field.
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Affiliation(s)
- Srinivas Abbina
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Sreeparna Vappala
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Prashant Kumar
- Center for Blood Research
- University of British Columbia
- Vancouver
- Canada
- Department of Chemistry
| | - Erika M. J. Siren
- Center for Blood Research
- University of British Columbia
- Vancouver
- Canada
- Department of Chemistry
| | - Chanel C. La
- Center for Blood Research
- University of British Columbia
- Vancouver
- Canada
- Department of Chemistry
| | - Usama Abbasi
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Donald E. Brooks
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Jayachandran N. Kizhakkedathu
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
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26
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Pischon H, Radbruch M, Ostrowski A, Volz P, Gerecke C, Unbehauen M, Hönzke S, Hedtrich S, Fluhr JW, Haag R, Kleuser B, Alexiev U, Gruber AD, Mundhenk L. Stratum corneum targeting by dendritic core-multishell-nanocarriers in a mouse model of psoriasis. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 13:317-327. [DOI: 10.1016/j.nano.2016.09.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 08/08/2016] [Accepted: 09/05/2016] [Indexed: 12/23/2022]
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27
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Boreham A, Brodwolf R, Walker K, Haag R, Alexiev U. Time-Resolved Fluorescence Spectroscopy and Fluorescence Lifetime Imaging Microscopy for Characterization of Dendritic Polymer Nanoparticles and Applications in Nanomedicine. Molecules 2016; 22:molecules22010017. [PMID: 28029135 PMCID: PMC6155873 DOI: 10.3390/molecules22010017] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 12/16/2016] [Accepted: 12/16/2016] [Indexed: 12/11/2022] Open
Abstract
The emerging field of nanomedicine provides new approaches for the diagnosis and treatment of diseases, for symptom relief and for monitoring of disease progression. One route of realizing this approach is through carefully constructed nanoparticles. Due to the small size inherent to the nanoparticles a proper characterization is not trivial. This review highlights the application of time-resolved fluorescence spectroscopy and fluorescence lifetime imaging microscopy (FLIM) for the analysis of nanoparticles, covering aspects ranging from molecular properties to particle detection in tissue samples. The latter technique is particularly important as FLIM allows for distinguishing of target molecules from the autofluorescent background and, due to the environmental sensitivity of the fluorescence lifetime, also offers insights into the local environment of the nanoparticle or its interactions with other biomolecules. Thus, these techniques offer highly suitable tools in the fields of particle development, such as organic chemistry, and in the fields of particle application, such as in experimental dermatology or pharmaceutical research.
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Affiliation(s)
- Alexander Boreham
- Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany.
| | - Robert Brodwolf
- Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany.
- Helmholtz Virtual Institute-Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.
| | - Karolina Walker
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany.
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany.
- Helmholtz Virtual Institute-Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.
| | - Ulrike Alexiev
- Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany.
- Helmholtz Virtual Institute-Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.
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28
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Zhang N, Said A, Wischke C, Kral V, Brodwolf R, Volz P, Boreham A, Gerecke C, Li W, Neffe AT, Kleuser B, Alexiev U, Lendlein A, Schäfer-Korting M. Poly[acrylonitrile-co-(N-vinyl pyrrolidone)] nanoparticles - Composition-dependent skin penetration enhancement of a dye probe and biocompatibility. Eur J Pharm Biopharm 2016; 116:66-75. [PMID: 27989766 DOI: 10.1016/j.ejpb.2016.10.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Revised: 10/20/2016] [Accepted: 10/23/2016] [Indexed: 12/18/2022]
Abstract
Nanoparticles can improve topical drug delivery: size, surface properties and flexibility of polymer nanoparticles are defining its interaction with the skin. Only few studies have explored skin penetration for one series of structurally related polymer particles with systematic alteration of material composition. Here, a series of rigid poly[acrylonitrile-co-(N-vinyl pyrrolidone)] model nanoparticles stably loaded with Nile Red or Rhodamin B, respectively, was comprehensively studied for biocompatibility and functionality. Surface properties were altered by varying the molar content of hydrophilic NVP from 0 to 24.1% and particle size ranged from 35 to 244nm. Whereas irritancy and genotoxicity were not revealed, lipophilic and hydrophilic nanoparticles taken up by keratinocytes affected cell viability. Skin absorption of the particles into viable skin ex vivo was studied using Nile Red as fluorescent probe. Whilst an intact stratum corneum efficiently prevented penetration, almost complete removal of the horny layer allowed nanoparticles of smaller size and hydrophilic particles to penetrate into viable epidermis and dermis. Hence, systematic variations of nanoparticle properties allows gaining insights into critical criteria for biocompatibility and functionality of novel nanocarriers for topical drug delivery and risks associated with environmental exposure.
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Affiliation(s)
- Nan Zhang
- Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - André Said
- Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Christian Wischke
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany; Helmholtz Virtual Institute Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Vivian Kral
- Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Robert Brodwolf
- Helmholtz Virtual Institute Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Teltow, Germany; Institute of Physics, Freie Universität Berlin, Berlin, Germany
| | - Pierre Volz
- Institute of Physics, Freie Universität Berlin, Berlin, Germany
| | | | | | - Wenzhong Li
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Axel T Neffe
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany; Helmholtz Virtual Institute Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Burkhard Kleuser
- Institute of Nutritional Science, University of Potsdam, Germany
| | - Ulrike Alexiev
- Helmholtz Virtual Institute Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Teltow, Germany; Institute of Physics, Freie Universität Berlin, Berlin, Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany; Helmholtz Virtual Institute Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Monika Schäfer-Korting
- Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany; Helmholtz Virtual Institute Multifunctional Biomaterials for Medicine, Helmholtz-Zentrum Geesthacht, Teltow, Germany.
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