1. Front Allergy. 2021 May 31;2:677677. doi: 10.3389/falgy.2021.677677. eCollection 2021. Purinergic Receptors in the Airways: Potential Therapeutic Targets for Asthma? Thompson RJ(1), Sayers I(1), Kuokkanen K(2), Hall IP(1). Author information: (1)Division of Respiratory Medicine, Nottingham Biomedical Research Centre, National Institute for Health Research, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom. (2)Orion Corporation, Orion P...