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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Mund-, Kiefer- und Gesichtschirurgie 4 (2000), S. 222-227 
    ISSN: 1434-3940
    Keywords: Schlüsselwörter LK(G)-Spalte ; Unterlippenfisteln ; Mikroformen ; Wiederholungsrisiko ; Keywords Cleft lip and palate ; Lip pits ; Microforms of lip pits ; Recurrence risk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Eight families with the combination of cleft lip and/or cleft palate plus lower lip pits including their microforms were examined with the aim of characterization of microsymptoms. Hypodontia as a further symptom was also taken into consideration. Each of the symptoms was also noted separately in relatives of the patients and are to be considered as a genetic equivalent of the complete form of the autosomal-dominant inherited Van der Woude’s syndrome. Knowledge of the variable expression of the basic gene is crucial for risk assessment in family counselling and also for distinguishing from clefts of other genesis with lower recurrence risk.
    Notes: Mit dem Ziel der Charakterisierung von Mikrosymptomen wurden die Familien von 8 Patienten mit der Kombination von Lippen-Kiefer- und/oder Gaumenspalten und Unterlippenfisteln, einschließlich der jeweiligen Mikroformen, untersucht. Berücksichtigung fand auch die Hypodontie als weiteres Merkmal. Jedes dieser Symptome war bei Verwandten der Patienten auch isoliert zu beobachten und ist als genetisches Äquivalent des kompletten Van-der-Woude-Syndroms im Sinne eines autosomal-dominanten Erbgangs anzusehen. Die Kenntnis der variablen Expressivität beim Van-der-Woude-Syndrom ist für die Risikoeinschätzung in der genetischen Beratung und für die Abgrenzung von Spaltbildungen anderer Genese und geringem Wiederholungsrisiko von Bedeutung.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We report a cytogenetic investigation of 55 low-grade astrocytomas in 52 patients, 15 children and 37 adults. In addition to numerical aberrations such as trisomy 7 and gonosomal losses, we found structural and/or numerical aberrations of chromosome 1 in eight astrocytomas. There was a striking difference between the rearranged chromosomes in pediatric and adult patients. Whereas the pediatric tumors revealed monosomies 1p with accompanying trisomy 1q, the astrocytomas in adults showed partial or complete monosomies 1q.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In Cuba and in the German Democratic Republic (GDR) a total of 24,412 pregnant women were tested for maternal serum alpha-fetoprotein (MSAFP) at the 16th to 20th week of gestation. An inexpensive and partly automated ultramicroliter enzyme immunoassay (ELISA) with final volumes of 10μl was used to analyze simultaneously 50 samples. The intraassay coefficient of variation (CV) of 5–8% and day/day CVs of 6–10.5% were obtained with a test frequency of 320 assays/day. A cut-off level of twice the median value (MoM) was chosen. An amniocentesis was done in a total of 0.5% (in the GDR) and 0.7% (in Cuba) of the screened women. The prevalence of open neural tube defects (ONTD) was calculated from the present study and was 1.43‰ in Cuba and 1.34‰ in the GDR. Through MSAFP screening 88.2% ONTD were detected. There was no therapeutic abortion of a normal fetus. The approximate cost for this program was about 2.36 marks-GDR per patient screened, or about 2,048 marks per ONTD detected.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 88 (1992), S. 359-360 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 42 (1978), S. 345-348 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We present a boy with the karyotype 46,XY,r3 and a phenotype with psychomotor and growth retardation, craniofacial anomalies, syndactyly of the toes, and edema of the feet. The karyotypes and phenotypes of both parents are normal.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 34 (1976), S. 65-68 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Micronuclei and premature chromosome condensation previously described in mammalian cells exposed to different types of irradiation and chemicals in vitro or in vivo could be demonstrated in cultured lymphocytes derived from chronically low-dose irradiated persons. The usefulness of these findings for biological recording of irradiation effects is suggested.
    Type of Medium: Electronic Resource
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