Cookies on this website

We use cookies to ensure that we give you the best experience on our website. If you click 'Accept all cookies' we'll assume that you are happy to receive all cookies and you won't see this message again. If you click 'Reject all non-essential cookies' only necessary cookies providing core functionality such as security, network management, and accessibility will be enabled. Click 'Find out more' for information on how to change your cookie settings.

Contact information

Email
colleen.mcgregor@rdm.ox.ac.uk

ORCID
https://orcid.org/0000-0002-4090-0375

Research groups

Simmons Group: Intestinal Immunity in Health and Disease

Colleges

Wolfson College

Colleen McGregor

BSc (Hons) MBBS MRCP(UK) DPhil (Oxon)

Clinician Scientist

Consultant Gastroenterologist with specialist interest in Inflammatory Bowel Disease

Key publications

Spatial fibroblast niches define Crohn's fistulae.

McGregor C. et al, (2026), Nature, 649, 703 - 712

Development and validation of peripheral blood DNA methylation signatures to predict response to biological therapy in adults with Crohn's disease (EPIC-CD): an epigenome-wide association study.

Joustra VW. et al, (2025), Lancet Gastroenterol Hepatol, 10, 818 - 830

Tracking in situ checkpoint inhibitor-bound target T cells in patients with checkpoint-induced colitis.

Gupta T. et al, (2024), Cancer Cell, 42, 797 - 814.e15

Geography Influences Susceptibility to SARS-CoV-2 Serological Response in Patients With Inflammatory Bowel Disease: Multinational Analysis From the ICARUS-IBD Consortium.

Wong S-Y. et al, (2023), Inflamm Bowel Dis, 29, 1693 - 1705

Pathogenesis of Fistulating Crohn's Disease: A Review.

McGregor CGC. et al, (2023), Cell Mol Gastroenterol Hepatol, 15, 1 - 11

Combination therapy of infliximab and thiopurines, but not monotherapy with infliximab or vedolizumab, is associated with attenuated IgA and neutralisation responses to SARS-CoV-2 in inflammatory bowel disease

Wellens J. et al, (2021)

Recent publications

Spatial fibroblast niches define Crohn's fistulae.

McGregor C. et al, (2026), Nature, 649, 703 - 712

Author Correction: Spatial fibroblast niches define Crohn's fistulae.

McGregor C. et al, (2025), Nature, 648

More publications