Upon completing postgraduate work at the Medical Research Council’s Clinical Research Centre, Harrow “emigrated” to the USA to take up a postdoctoral position at New York University School of Medicine. After ~14 months left New York to take up a Howard Hughes Fellowship position in the Immunobiology Group at Yale University with Profs Kim Bottomly and Charlie Janeway. While at Yale an interest in gamma-delta (γδ) T cells was acquired working closely with Adrian Hayday on molecular genetics and then with Prof Peter Doherty to establish their role in infectious disease. Left Yale after five years to take up a faculty position at the University of Pennsylvania in Philadelphia. During this time an interest in mucosal and GI-tract immunology, developed performing studies in germfree mice with John Cebra that helped establish the role of gut microbes in the aetiology of inflammatory bowel disease (IBD). After 15 years in the USA, returned to the UK to take up the Chair in Molecular Immunology at the University of Leeds. At Leeds the focus of the research was on γδ T cell biology and the role these cells play in mucosal immunity. In addition a new programme on Bacteroides genetics was undertaken leading to the development of a Bacteroides drug delivery platform that is being used for developing new interventions for IBD and for mucosal vaccination. Left Leeds in 2008 to take up the position of Professor of Mucosal Immunology at UEA-MED and leader of the Gut Biology Research Programme, which eventually became part of the Gut Health and Food Safety (GHFS) Programme. The GHFS programme comprises 13 research groups led by individual group leaders that cover a broad area of gut biology including epithelial cell physiology and epigenetics, mucus and glycobiology, mucosal immunology, commensal microbiology, foodborne bacterial pathogens, and mathematical modelling and bioinformatics. The total number of scientists working in the programme is currently about 60. Within this programme, much of the work undertaken in the Carding research group builds upon that carried out in the USA and latterly in the UK with a major focus on understanding the mechanisms of intestinal microbial tolerance and the role that microbe-host cross talk plays in establishing and maintaining gut health and in gut diseases such as IBD.


PhD MRC-Clinical Research Centre, Harrow UK 1985

Visiting Instructor, New York Univ. Sch. Medicine, New York, USA, 1985-1986

Postdoctoral Associate, Yale Univ. Sch. Med, New Haven, USA, 1986-1989

Howard Hughes Fellow, Yale Univ. Sch. Medicine, New Haven, USA, 1989-1991

Assistant/Associate Professor, Univ. Pennsylvania, Phildelphia, USA, 1991-1999

Professor Molecular Immunology, Leeds Univ., Leeds UK, 1999-2008

Professor Mucosal Immunology, Norwich Medical School, UEA, 2008-

Head, Gut Health and Food Safety Research Programme, Institute of Food Research, 2008 

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