Title : Glutathione-S-transferase genotypes and the adverse effects of azathioprine in young patients with inflammatory bowel disease.

Pub. Date : 2007 Jan

PMID : 17206640






10 Functional Relationships(s)
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1 Azathioprine is known to induce glutathione depletion and consumption of glutathione is greater in cells with high glutathione-S-transferase (GST) activity compared with those with low activity; moreover, some reports indicate that GST might play a direct role in the reaction of glutathione with azathioprine. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
2 Azathioprine is known to induce glutathione depletion and consumption of glutathione is greater in cells with high glutathione-S-transferase (GST) activity compared with those with low activity; moreover, some reports indicate that GST might play a direct role in the reaction of glutathione with azathioprine. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
3 Azathioprine is known to induce glutathione depletion and consumption of glutathione is greater in cells with high glutathione-S-transferase (GST) activity compared with those with low activity; moreover, some reports indicate that GST might play a direct role in the reaction of glutathione with azathioprine. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
4 Azathioprine is known to induce glutathione depletion and consumption of glutathione is greater in cells with high glutathione-S-transferase (GST) activity compared with those with low activity; moreover, some reports indicate that GST might play a direct role in the reaction of glutathione with azathioprine. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
5 Azathioprine is known to induce glutathione depletion and consumption of glutathione is greater in cells with high glutathione-S-transferase (GST) activity compared with those with low activity; moreover, some reports indicate that GST might play a direct role in the reaction of glutathione with azathioprine. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
6 Azathioprine is known to induce glutathione depletion and consumption of glutathione is greater in cells with high glutathione-S-transferase (GST) activity compared with those with low activity; moreover, some reports indicate that GST might play a direct role in the reaction of glutathione with azathioprine. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
7 The association between polymorphisms of GST-M1, GST-P1, GST-T1, and TPMT genes and the adverse effects of azathioprine was therefore investigated. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
8 RESULTS: Fifteen patients developed adverse effects (21.4%); there was a significant underrepresentation of the GST-M1 null genotype among patients developing adverse drug reactions to azathioprine (odds ratio [OR] = 0.18, 95% confidence interval [CI] = 0.037-0.72, P = 0.0072) compared with patients who did not develop adverse effects. Azathioprine glutathione S-transferase kappa 1 Homo sapiens
9 Moreover, among the 55 patients who did not develop adverse effects, there was a significant underrepresentation of the GST-M1 null genotype among patients who displayed lymphopenia as compared with those that did not display this effect of azathioprine (OR = 0.15, 95% CI = 0.013-1.08, P = 0.032). Azathioprine glutathione S-transferase kappa 1 Homo sapiens
10 CONCLUSION: Patients with IBD with a wildtype GST-M1 genotype present increased probability of developing adverse effects and increased incidence of lymphopenia during azathioprine treatment. Azathioprine glutathione S-transferase kappa 1 Homo sapiens