- Crigler-Najjar syndrome type II caused by a homozygous triple mutation [T-3279G, A(TA)7TAA, and H39D] of UGT1A1. Maruo, Y., Topaloglu, A.K., Takahashi, H., Mori, A., Iwai, M., Duzovali, O., Yamamoto, K., Matui, K., Sato, H., Takeuchi, Y. J. Pediatr. Gastroenterol. Nutr. (2006)