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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 22 (1971), S. 351-355 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 48 (1970), S. 62-63 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 9 (1970), S. 16-22 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Es wird eine Übersicht über die verschiedenen Methoden zur DNS-Messung an Chromosomen gegeben. Die Methoden werden kurz beschrieben und die wichtigsten Ergebnisse der verschiedenen Autoren diskutiert.
    Notes: Summary A review of the different methods of determining the DNA content of individual chromosomes is given. The methods are described briefly, and the results of the different authors are discussed.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 136 (1981), S. 249-262 
    ISSN: 1432-1076
    Keywords: Trisomy ; Autosomal/partial/chromosome no. 12 ; Short arm (p)-inherited ; Familial translocation ; Balanced/unbalanced ; Dysmorphic syndrome ; Malformation syndrome ; Retardation syndrome ; Segregation pattern ; Risk figures ; Genetic counselling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This is the report of two independent families in which a balanced maternal translocation led to trisomy 12p in one of each their offspring. Evaluation of 21 further case reports indicates that this is a phenotypically well defined syndrome which leads to severe developmental retardation. It can be recognized by a characteristic combination of craniofacial anomalies which are summarized in a phantom picture. The gene sequences which produce the typical features in the trisomic state must be localized distally to band 12p 12, which is the breakpoint in the partial trisomies. The specific craniofacial anomalies are not visibly modified by the length of the trisomic segment or additional small monosomies or trisomies of recipient chromosomes. However, the frequency and severity of organ malformations and the resulting probability of survival seem to decrease with increasing degrees of chromosomal imbalance. A cytogenetic classification of the 21 inherited translocations and a segregation analysis from the pedigree data was performed. For the different types of translocations the calculated risk figures are given.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 109 (1970), S. 1-10 
    ISSN: 1432-1076
    Keywords: Chromosome 18 r ; Ig A Deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird ein 6jähriges Mädchen mit angeborenen Fehlbildungen, geistiger Retardierung und Fehlen von Immunglobulin A beschrieben, das die Chromosomenaberration 46,XX,18r aufweist. Die klinischen Merkmale der in der Literatur ermittelten 22 Patienten mit Ringchromosom 18 werden mit Merkmalen von Patienten verglichen, die Defizienzen am langen oder kurzen Arm des Chromosoms Nr. 18 zeigen.
    Notes: Abstract A 6 year old girl with mental retardation, congenital malformations, deficiency of Ig A and the chromosomal aberration 46,XX,18r is described. The clinical findings of patients with structural aberrations of chromosome 18 described in the literature are reported.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 110 (1971), S. 248-260 
    ISSN: 1432-1076
    Keywords: Leukodystrophia ; Orthochromatic ; Pelizaeus-Merzbacher Disease ; Classical Type ; Clinical Diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In den meisten Fallbeschreibungen stützt sich die Diagnose der PMK vorwiegend auf den pathologisch-anatomischen Befund. Am Beispiel einer weiteren Familie mit PMK, die ausschließlich auf Grund des genetischen, klinischen und hirnbioptischen Befundes diagnostiziert wurde, wird dargelegt, daß das klassische klinisch und genetisch definierte Krankheitssyndrom für die Diagnose ein zuverlässigeres Kriterium bildet als der variationsreiche pathologische Befund.
    Notes: Abstract In most case-reports the diagnosis of Pelizaeus-Merzbacher disease is only made on morphological grounds without taking into consideration that the clinical and genetical findings of these cases were often incomplete. With the report of a new family with PM.-disease, where the diagnosis was made exclusively on the basis of clinical and genetical findings as well as brain biopsies, we want to point out, that the classical clinically and genetically defined syndrome is a more reliable criterium for making a diagnosis than the rather variable pathological findings.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 130 (1979), S. 111-125 
    ISSN: 1432-1076
    Keywords: Partial trisomy ; Chromosome No. 3 long arm q ; Direct duplication ; Insertion ; Parental diabetes ; Dysmorphic syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Chromosome analysis in a newborn, the daughter of diabetic parents, who showed multiple dysmorphic signs and malformations revealed direct duplication of a long arm segment of chromosome 3 (3q2100→3q2700). Both parents have normal karyotypes. Compilation of the phenotype stigmata with those of 7 other patients and 1 fetus with partial trisomy 3q confirmed that clinical recognition of this syndrome is possible. It is characterized by hypertrichosis, typical craniofacial dysmorphia, frequent organ malformations and skeletal anomalies, as well as a peculiar dermatoglyphic pattern. It is a severe genetic disturbance, leading to death in the first months of life in many cases and only symptomatic care is advised.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 126 (1977), S. 109-125 
    ISSN: 1432-1076
    Keywords: Partial trisomy 10p ; Malformation-retardation-syndrome ; Inheritance ; Reciprocal translocation, balanced/unbalanced ; Maternal carrier
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird von einer Familie berichtet, in der durch mütterliche balancierte Translokation t(5;10)(p15;p13) eine unbalancierte Chromosomenkonstitution bei zwei Kindern entstand. Mit Hilfe der G-Bandenanalyse wurde sie als Trisomie des distalen Abschnitts des kurzen Armes von Chromosom 10 (p13→pter) identifiziert. Der Vergleich mit 15 Literaturberichten von Trisomie 10p bestätigt das Vorliegen eines charakteristischen Dysmorphiesyndroms.
    Notes: Abstract This is the report of a family in which a balanced translocation in the mother t(5;10)(p15;p13) led to an unbalanced chromosomal constitution in two children. It was identified by G-banding analysis as trisomy of the distal portion of the short arm of chromosome 10 (p13→pter). Comparison with 15 previous reports of trisomy 10p confirms the existence of a characteristic dysmorphic syndrome.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1076
    Keywords: Globin synthesis ; Trisomy 13 ; Isoelectric focusing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei 2 Säuglingen mit Trisomie 13, einer in der Neugeborenenperiode, der andere 5 Monate alt, wurde die Hämoglobinkettensynthese untersucht. Bei dem Neugeborenen war die Beta-Kettensynthese deutlich erniedrigt, so daß Imbalance der Nicht-Alpha/Alpha-Globinsynthese resultierte. Bei dem 5 Monate alten Kind war die Globinsynthese balanciert, obwohl die Gamma-Globinsynthese einen größeren Anteil der Nicht-Alpha-Globinsynthese einnahm als normalerweise. Ein drittes Chromosom 13 bewirkt also eine ausgeprägte Störung des Umschaltmechanismus von Gamma- auf Beta-Globinsynthese, die vorwiegend das Anspringen der Beta-Globinsynthese betrifft. Zwei sonst nicht vorhandene Banden in der isoelektrischen Focusierung von Hb des Neugeborenen sprechen für das Vorliegen von embryonalen Hämoglobinen.
    Notes: Abstract Hemoglobin chain synthesis was studied in 2 infants with trisomy 13, one in the newborn period, the other at 5 months of age. The relative rate of beta globin synthesis was much below normal in the newborn, resulting in an overall imbalance of nonalpha/alpha globin synthesis. In the 5-month-old child, globin synthesis was balanced, although gamma globin synthesis accounted for a larger than normal percentage of nonalpha globin synthesis. Thus, the presence of a third 13 chromosome causes severe disturbances in the gamma to beta switch mechanism primarily affecting the onset of beta globin synthesis. The appearance of two previously unobserved bands in isoelectric focusing gels of the newborn's Hb is suggestive of the presence of embryonic hemoglobins.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 232 (1981), S. 657-658 
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Diskussion Die Ursache der H-Y-Antigendiskordanz bei Transsexualität ist unklar. Erklärungsversuche über genetische Defekte sind hypothetisch, ebenso wie solche über epigenetische Störungen in der Art enzymatischer Veränderungen an der Struktur des H-Y-Antigens selbst. Die hohe Inzidenz der H-Y-Antigendiskordanz bei Transsexualität mit einer relativen Häufigkeit von 0,86 bei den von uns untersuchten Patienten deutet darauf hin, daß die H-Y-Antigenbestimmung ein wichtiges diagnostisches Kriterium in der Indikationsstellung werden könnte. Sie rückt die Pathogenese in ein völlig neues Licht. Mit der H-Y-Antigendiskordanz bei Transsexuellen wurde ein klares morphologisches Substrat gefunden, wonach die Erkrankung der Intersexualität zugeordnet werden sollte. Unsere Beobachtungen, daß die H-Y-Antigendiskordanz mit der fixierten Geschlechtsidentität der Transsexuellen korreliert, legt den Schluß nahe, daß dem H-Y-Antigen für die Geschlechtsidentität generell eine Bedeutung zukommen sollte, wahrscheinlich in Kombination mit anderen Substanzen, wie z. B. Androgenen.
    Type of Medium: Electronic Resource
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