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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Kardiologie 89 (2000), S. 939-948 
    ISSN: 1435-1285
    Keywords: Key words Marfan syndrome ; fibrillin-1 gene ; clinical variability ; haplotype segregation analysis ; Schlüsselwörter ; Marfan-Syndrom ; Fibrillin 1-Gen ; klinische Variabilität ; indirekte Genotypdiagnostik
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Das Marfan-Syndrom ist eine autosomal-dominant vererbte Bindegewebserkrankung mit Beteiligung des skelettalen, okulären und kardiovaskulären Systems. Die Erkrankung wird durch Mutationen im FBN1-Gen verursacht, das für das Glykoprotein Fibrillin, eine elementare Strukturkomponente der elastischen Fasern kodiert. Die Diagnose des Marfan-Syndroms basiert auf zwei Säulen, erstens der klinischen Evaluierung der Patienten, zweitens dem direkten Mutationsnachweis im FBN1-Gen. Inter- und intrafamiliäre Unterschiede im klinischen Erscheinungsbild erschweren die phänotypische Diagnostik. In dieser Arbeit wird die indirekte Genotypanalyse, in welcher die Segregation von allelischen DNA-Polymorphismen verfolgt wird, als ein zusätzliches Verfahren für die Diagnose vorgestellt. Mittels indirekter Genotypdiagnostik und in Kombination mit den klinischen Untersuchungsbefunden kann die Diagnose oder der Ausschluss des Marfan-Syndroms noch sicherer gestellt werden, insbesondere bei klinischen Grenzfällen.
    Notes: Summary Marfan syndrome (MFS) is an autosomal dominant disorder of connective tissue characterized by skeletal, ocular and cardiovascular manifestations. The disease is caused by mutations in the FBN1 gene, encoding fibrillin, an important component of elastic fibers. Diagnosis of Marfan syndrome is currently based on detailed clinical examination and/or mutation analysis in the fibrillin gene. Clinical expression varies widely both among and within families, rendering clinical diagnosis extremely difficult. In this study, we performed segregation analysis of allelic DNA polymorphisms to support diagnosis of Marfan syndrome. This type of genotype analysis is a useful, additional diagnostic tool for families with Marfan syndrome and provides incremental information of diagnosis or exclusion of Marfan syndrome based on clinical findings.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 113 (2000), S. 110-113 
    ISSN: 1437-1596
    Keywords: Key words Cerebrotendinous xanthomatosis ; CTX ; Hyperthermia ; Genotype ; CYP27 gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract A case of sudden death of a 52-year-old mentally retarded Caucasian male is described where the rectal temperature was 43.4 °C 3 h postmortem. The autopsy revealed cerebrotendinous xanthomatosis (CTX), a rare hereditary metabolic disorder, as the primary disease. The diagnosis was confirmed by postmortem identification of two mutations (compound heterozygosity for R237X and IVS6+1G→A) in the sterol 27-hydroxylase (CYP27) gene. Both mutations have already been described in patients with CTX and can be considered the most likely cause of the disease. The pathomechanism of the excessive hyperthermia could not be completely elucidated.
    Type of Medium: Electronic Resource
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