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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1993-7-1
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pubmed:abstractText |
We present male monozygotic twins who showed quite different clinical features. Blood chromosome analysis revealed 46,XY/46,XY,del(7) (q32-->qter) mosaicism in both twins. However, cultured skin fibroblasts from the twins showed different karyotypes. Twin 1, with a normal phenotype, had normal chromosomes and was 46,XY. Twin 2, on the other hand, had the characteristic manifestations of 7q- syndrome and chromosomes of 46,XY,del(7) (q32-->qter). DNA fingerprint analysis of their peripheral blood samples revealed the same pattern. However, DNA fingerprint patterns of cultured skin fibroblasts and buccal mucosal cells were different when a 7q terminal marker, probe g3, was used. These identical twins with discordant phenotypes can be explained by the occurrence of twinning and simultaneous erroneous mitosis. In addition, there might be a vascular communication which probably resulted in blood exchange and chromosomal mosaicism of the lymphocytes of the monozygotic twins.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0009-9163
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
43
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
139-42
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pubmed:dateRevised |
2004-11-17
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pubmed:meshHeading |
pubmed-meshheading:7684659-Abnormalities, Multiple,
pubmed-meshheading:7684659-Child, Preschool,
pubmed-meshheading:7684659-Chromosome Banding,
pubmed-meshheading:7684659-Chromosome Deletion,
pubmed-meshheading:7684659-Chromosomes, Human, Pair 7,
pubmed-meshheading:7684659-DNA Fingerprinting,
pubmed-meshheading:7684659-Developmental Disabilities,
pubmed-meshheading:7684659-Facial Bones,
pubmed-meshheading:7684659-Humans,
pubmed-meshheading:7684659-Male,
pubmed-meshheading:7684659-Mosaicism,
pubmed-meshheading:7684659-Phenotype,
pubmed-meshheading:7684659-Skull,
pubmed-meshheading:7684659-Syndrome,
pubmed-meshheading:7684659-Twins, Monozygotic
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pubmed:year |
1993
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pubmed:articleTitle |
Different clinical features in monozygotic twins: a case of 7q--syndrome.
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pubmed:affiliation |
Department of Pediatrics, Osaka University School of Medicine, Japan.
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pubmed:publicationType |
Journal Article,
Case Reports
|