... may assist in T cell retention within the mucosal site [28,29]. The results of our studiessupport a similar process of ‘integrin switching’ in the joint.Our findings are in agreement with the ... www.millennium.com) for the kind gift of the Act-1 anti-body. We are grateful to Professor Mike Salmon and Professor ChrisBuckley for critical reading of the manuscript. We acknowledge the financial support of ... of Rheumatology, Division of Immunity and Infection, University of Birmingham, Birmingham, UK2Current address: MRC Human Immunology Unit, Institute of Molecular Medicine, Oxford, UK3Birmingham...