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. 2020 Jun 3;16:45. doi: 10.1186/s13223-020-00438-w

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 1 — Induced airway dilations on pre-contracted isolated airways. a Tracheal segments were pre-contracted with CCH, and increasing concentrations of MP-AzeFlu, azelastine and fluticasone were added. As fluticasone is diluted in DMSO, a separate DMSO control is provided. All other compounds are diluted into KH Buffer. ** MP-AzeFlu vs Fluticasone ***.Azelastin vs Fluticasone. b Segments were pre-contracted with U-466871, and increasing concentrations of MP-AzeFlu, azelastine and fluticasone were added. c Desloratadine and fexofenadine induced airway dilations. d Olopatadine and Azelastine induced airway dilations e Levocabastine induced airway dilations. c–e are divided into three graphs dependent on the different vehicle