RNA Aptamers Recognizing Murine CCL17 Inhibit T Cell Chemotaxis and Reduce Contact Hypersensitivity In Vivo

The chemokine CCL17, mainly produced by dendritic cells (DCs) in the immune system, is involved in the pathogenesis of various inflammatory diseases. As a ligand of CCR4, CCL17 induces chemotaxis and facilitates T cell-DC interactions. We report the identification of two novel RNA aptamers, which we...

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Veröffentlicht in:Molecular therapy 2018-01, Vol.26 (1), p.95-104
Hauptverfasser: Fülle, Lorenz, Steiner, Nancy, Funke, Markus, Gondorf, Fabian, Pfeiffer, Franziska, Siegl, Julia, Opitz, Friederike V., Haßel, Silvana K., Erazo, Anna Belen, Schanz, Oliver, Stunden, H. James, Blank, Michael, Gröber, Carsten, Händler, Kristian, Beyer, Marc, Weighardt, Heike, Latz, Eicke, Schultze, Joachim L., Mayer, Günter, Förster, Irmgard
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container_end_page 104
container_issue 1
container_start_page 95
container_title Molecular therapy
container_volume 26
creator Fülle, Lorenz
Steiner, Nancy
Funke, Markus
Gondorf, Fabian
Pfeiffer, Franziska
Siegl, Julia
Opitz, Friederike V.
Haßel, Silvana K.
Erazo, Anna Belen
Schanz, Oliver
Stunden, H. James
Blank, Michael
Gröber, Carsten
Händler, Kristian
Beyer, Marc
Weighardt, Heike
Latz, Eicke
Schultze, Joachim L.
Mayer, Günter
Förster, Irmgard
description The chemokine CCL17, mainly produced by dendritic cells (DCs) in the immune system, is involved in the pathogenesis of various inflammatory diseases. As a ligand of CCR4, CCL17 induces chemotaxis and facilitates T cell-DC interactions. We report the identification of two novel RNA aptamers, which were validated in vitro and in vivo for their capability to neutralize CCL17. Both aptamers efficiently inhibited the directed migration of the CCR4+ lymphoma line BW5147.3 toward CCL17 in a dose-dependent manner. To study the effect of these aptamers in vivo, we used a murine model of contact hypersensitivity. Systemic application of the aptamers significantly prevented ear swelling and T cell infiltration into the ears of sensitized mice after challenge with the contact sensitizer. The results of this proof-of-principle study establish aptamers as potent inhibitors of CCL17-mediated chemotaxis. Potentially, CCL17-specific aptamers may be used therapeutically in humans to treat or prevent allergic and inflammatory diseases. [Display omitted] The chemokine CCL17 promotes T cell attraction to peripheral tissues and thereby exacerbates inflammatory reactions. Using SELEX, Fülle et al. selected high-affinity aptamers, which neutralize CCL17 in murine contact hypersensitivity. Because of their small size and structural properties, such aptamers may represent new versatile drugs for allergic skin diseases.
doi_str_mv 10.1016/j.ymthe.2017.10.005
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Both aptamers efficiently inhibited the directed migration of the CCR4+ lymphoma line BW5147.3 toward CCL17 in a dose-dependent manner. To study the effect of these aptamers in vivo, we used a murine model of contact hypersensitivity. Systemic application of the aptamers significantly prevented ear swelling and T cell infiltration into the ears of sensitized mice after challenge with the contact sensitizer. The results of this proof-of-principle study establish aptamers as potent inhibitors of CCL17-mediated chemotaxis. Potentially, CCL17-specific aptamers may be used therapeutically in humans to treat or prevent allergic and inflammatory diseases. [Display omitted] The chemokine CCL17 promotes T cell attraction to peripheral tissues and thereby exacerbates inflammatory reactions. Using SELEX, Fülle et al. selected high-affinity aptamers, which neutralize CCL17 in murine contact hypersensitivity. 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James</creatorcontrib><creatorcontrib>Blank, Michael</creatorcontrib><creatorcontrib>Gröber, Carsten</creatorcontrib><creatorcontrib>Händler, Kristian</creatorcontrib><creatorcontrib>Beyer, Marc</creatorcontrib><creatorcontrib>Weighardt, Heike</creatorcontrib><creatorcontrib>Latz, Eicke</creatorcontrib><creatorcontrib>Schultze, Joachim L.</creatorcontrib><creatorcontrib>Mayer, Günter</creatorcontrib><creatorcontrib>Förster, Irmgard</creatorcontrib><title>RNA Aptamers Recognizing Murine CCL17 Inhibit T Cell Chemotaxis and Reduce Contact Hypersensitivity In Vivo</title><title>Molecular therapy</title><addtitle>Mol Ther</addtitle><description>The chemokine CCL17, mainly produced by dendritic cells (DCs) in the immune system, is involved in the pathogenesis of various inflammatory diseases. As a ligand of CCR4, CCL17 induces chemotaxis and facilitates T cell-DC interactions. 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Using SELEX, Fülle et al. selected high-affinity aptamers, which neutralize CCL17 in murine contact hypersensitivity. 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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Alma/SFX Local Collection
subjects Abdomen
allergy
Animal models
Animals
aptamer
Aptamers
Aptamers, Nucleotide - chemistry
Aptamers, Nucleotide - genetics
Biomarkers
CCL17
CCL17 protein
CCL22
Cell adhesion & migration
cell migration
Cell Movement - genetics
chemokine
Chemokine CCL17 - genetics
Chemokines
Chemotaxis
Chemotaxis - genetics
Chemotaxis - immunology
Contact dermatitis
contact hypersensitivity
Dendritic cells
Dermatitis
Dermatitis, Contact - genetics
Dermatitis, Contact - immunology
Disease Models, Animal
Ear
Experiments
Female
Gene Expression Regulation
Humans
Hypersensitivity
Immune system
Inflammatory diseases
Leukocyte migration
Ligands
Lymphocytes T
Lymphoma
Macrophages - immunology
Macrophages - metabolism
Mice
Nucleic Acid Conformation
Olive oil
Original
Retention
Ribonucleic acid
RNA
SELEX
SELEX Aptamer Technique
skin homing
T-Lymphocytes - immunology
T-Lymphocytes - metabolism
TARC
title RNA Aptamers Recognizing Murine CCL17 Inhibit T Cell Chemotaxis and Reduce Contact Hypersensitivity In Vivo
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