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Updated: Jul 30, 2026

Non-invasive Assessment of the Efficacy of New Therapeutics for Intestinal Pathologies Using Serial Endoscopic Imaging of Live Mice
Published on: March 10, 2015
[Genetic polymorphism and treatment of chronic bowel inflammatory diseases: the example of azathioprine]
Germain Bessard1, Gaëlle Hardy, Alain Chartier
1Laboratoire de pharmacologie, Hopital Michallon, CHU Grenoble, Grenoble, France. gbessard@chu-grenoble.fr
Abstract:
Azathioprine is an immunosuppressive drug used in the treatment of inflammatory bowel disease. It is a prodrug that is hydrolysed to 6-mercaptopurine, which represents the active form. Azathioprine is also used in the treatment of leukaemia in children and in organ transplantation. Azathioprine treatment is associated with adverse effects such as leukopenia and aplasia. These adverse effects are related to a single nucleotide polymorphism, including the inability of cells to synthesize thiopurine methyltransferase (TPMT). TPMT is a detoxification enzyme that limits 6-thioguanine nucleotide production and thereby interferes with normal DNA and RNA synthesis. This review presents the different approaches used for azathioprine therapeutic monitoring in IBD treatment and discusses the discrepancies in recent clinical trials.
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