Maternal and fetal tyrosinemia type I. 2010

N Garcia Segarra, and S Roche, and A Imbard, and J F Benoist, and M O Grenèche, and A Davit-Spraul, and H Ogier de Baulny
Reference Center for Inherited Metabolic Diseases, Hôpital Robert Debré, APHP, 48 Boulevard Sérurier, 75019 Paris, France.

A 22 year-old woman with tyrosinemia type I (HT1) married her first cousin who is heterozygous for the same FAH mutation for which the patient is homozygous. During her pregnancy she was treated with diet (prescribed tyrosine intake 300 mg/day), and nitisinone (60 mg/day). Median plasma tyrosine levels were 560 μmol/L (range: 375-838, n = 21) and nitisinone 51 μmol/L (range: 41-57, n = 3) during pregnancy. She gave birth to a clinically healthy girl affected with tyrosinemia type 1. Birth was normal (birth weight 2615 g) and the baby had normal liver function, normal plasma alpha-fetoprotein concentrations, low urinary excretion of phenolic acids and no detectable succinylacetone. At birth, the baby had hypertyrosinemia (860 μmol/L in blood cord) and nitisinone levels of 14 μmol/L. Following molecular confirmation of the diagnosis of HT1 specific treatment began on day 15 by which time she had detectable urinary succinylacetone.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D009579 Nitrobenzoates Benzoic acid or benzoic acid esters substituted with one or more nitro groups. Nitrobenzoic Acids,Acids, Nitrobenzoic
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D002657 Child Development The continuous sequential physiological and psychological maturing of an individual from birth up to but not including ADOLESCENCE. Infant Development,Development, Child,Development, Infant
D003241 Consanguinity The magnitude of INBREEDING in humans. Inbreeding, Human,Consanguineous Marriage,Consanguinous Mating,Consanguineous Marriages,Consanguinities,Consanguinous Matings,Human Inbreeding,Human Inbreedings,Inbreedings, Human,Marriage, Consanguineous,Marriages, Consanguineous,Mating, Consanguinous,Matings, Consanguinous
D003512 Cyclohexanones Cyclohexane ring substituted by one or more ketones in any position.

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