HMOX1 and atrial fibrillation: Several studies in patients of Asian ancestry showed that inflammatory pathways [interleukin-6 (ILR6) gene in a Chinese population],98 heme oxygenase-1 gene (HO-1) in a Taiwanese cohort,99 and angiotensinogen M235T polymorphism in a Chinese population though not significant in this cohort, may have value as predictors of AF recurrence after ablation.100