Prolonged Unconjugated Hyperbiliriubinemia in Breast-fed Male Infants with a Mutation of Uridine Diphosphate-Glucuronosyl Transferase - 07/08/11
Reprint requests: Dr Yen-Hsuan Ni, Department of Pediatrics, National Taiwan University Children’s Hospital, No.8, Chung-Shan South Road, Taipei 100, Taiwan.Abstract |
Objective |
To test the hypothesis that a mutation in uridine diphosphate-glucuronosyl transferase 1A1 (UGT1A1) gene of breast-fed infants is a contributory factor to prolonged unconjugated hyperbilirubinemia.
Study design |
Of 125 breast-fed term infants, 35 infants had prolonged unconjugated hyperbilirubinemia; another 90 breast-fed neonates without prolonged jaundice were control infants. The polymerase chain reaction–restriction fragment length polymorphism method was used to detect the known variant sites (promoter area, nucleotides 211, 686, 1091, and 1456) of the UGT1A1 gene.
Results |
Of 35 breast-fed infants with prolonged unconjugated hyperbilirubinemia, 29 had at least 1 mutation of the UGT1A1 gene. Variation at nucleotide 211 was most common. The percentages of the neonates carrying the variant nucleotide 211 were significantly different between the prolonged hyperbilirubinemia group and control neonates. Male breast-fed infants had a higher risk than female infants for prolonged hyperbilirubinemia.
Conclusions |
Male breast-fed neonates with a variant nucleotide 211 in UGT1A1 have a high risk for developing prolonged hyperbilirubinemia.
Le texte complet de cet article est disponible en PDF.Mots-clés : BMJ, PCR, UGT1A1
Plan
| Supported by grants from Far Eastern Memorial Hospital (FEMH-96-C-022). |
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| The authors declare no conflicts of interest. |
Vol 155 - N° 6
P. 860-863 - décembre 2009 Retour au numéro
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