Translocation mosaicism in a woman having multiple miscarriages
β Scribed by Sciorra, Leonard J. ;Lee, Ming-Liang ;Cuccurullo, Gail ;Opitz, John M. ;Reynolds, James F.
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 188 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0148-7299
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β¦ Synopsis
We concluded cytogenetic studies on a couple who had had several spontaneous abortions. The peripheral lymphocytes of the woman repeatedly showed a mosaic pattern with a structurally altered, apparently balanced, autosomal translocation between chromosomes 4 and 5. Various studies were reviewed and it was concluded that the true frequency of structural rearranged mosaics in recurrent pregnancy loss is not known.
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X;autosome translocations in humans, often associated with congenital anomalies or with gonadal dysgenesis syndromes, are informative for the study of X-linked gene expression and of the phenomenon of X chromosome inactivation. When such translocations occur in association with multiple congenital a
This patient, in whom trisomy 12 mosaicism was confirmed in multiple organs, is the fifth case diagnosed postnatally and the first reported for whom a meiotic origin of the trisomy, maternal meiosis I, was determined. Mosaic aneuploidy was suspected because of pigmentary dysplasia, a frequent but no