Epithelial HO-1 regulates iron availability and promotes colonic tumorigenesis in a context-dependent manner
Rosemary C. Callahan, Jillian Curry, Geetha Bhagavatula, Alyse W. Staley, Rachel E.M. Schaefer, Faiz Minhajuddin, Liheng Zhou, Rane M. Neuhart, Shaikh Muhammad Atif, David J. Orlicky, Ian M. Cartwright, Mark E. Gerich, Calen A. Steiner, Arianne L. Theiss, Caroline H. T. Hall, , Joseph C. Onyiah
This study shows that epithelial HO-1 promotes colonic tumorigenesis in chronic inflammation by increasing iron availability and oxidative stress, while protecting against acute heme toxicity.
JCI Insight · Dec 17, 2025Peer-reviewedCancer Biology