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  • 1
    ISSN: 1432-1076
    Keywords: Chondrodysplasia ; Dominant mutation ; Amino acid substitution ; Allelic heterogeneity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Achondroplasia, the most common form of chondrodysplasia, has been associated with mutations in the gene of the fibroblast growth factor receptor-3 (FGFR-3) on chromosome 4p. All 39 achondroplasia alleles studied so far carried point mutations which caused the same amino acid exchange, a substitution of glycine by arginine at position 380 (G380R) in the transmembrane domain of the receptor. We report on a newborn with achondroplasia who does not carry a G380R mutation but has a mutation causing substitution of a nearby glycine with a cysteine (G375C). This observation indicates allelic heterogeneity and confirms the role of mutations in the transmembrane domain of FGFR-3 in the pathogenesis of achondroplasia.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 148 (1989), S. 426-427 
    ISSN: 1432-1076
    Keywords: Borrelia burgdorferi ; Pregnancy ; Infection ; Infant outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A serological survey over a 1-year period of 1416 mothers at delivery and their 1434 offspring for the presence of anti-Borrelia burgdorferi antibodies revealed a prevalence of 0.85%. Clinically active Lyme disease during pregnancy was found in 1 of these 12 women with elevated titres and the child was born with a ventricular septal defect. Of six affected children, two had hyperbilirubinaemia, one muscular hypotonia, one was underweight for gestational age, one was macrocephalic, and one had supraventricular extrasystoles. Anomalous findings could not be attributed toB. burgdorferi due to a lack of serological evidence of intrauterine infection. Our data do not imply the need for serological screening in pregnancy, however, the importance of recognition and treatment of Lyme disease in pregnancy is emphasized.
    Type of Medium: Electronic Resource
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