Familial partial trisomy 8p without dysmorphic features and only mild mental retardation

We report on a mother and her two sons who had a direct duplication of chromosome region 8p22-8p23.1 without dysmorphic features and only mild mental retardation. The patients have been studied using G banding, chromosome painting, and FISH using cosmid probes specific for the region 8p23.1-8pter. C...

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Veröffentlicht in:Journal of medical genetics 1995-10, Vol.32 (10), p.792-795
Hauptverfasser: Engelen, J J M, Die-Smulders, C E M de, Sijstermans, J M J, Meers, L E C, Albrechts, J C M, Hamers, A J H
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Sprache:eng
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Zusammenfassung:We report on a mother and her two sons who had a direct duplication of chromosome region 8p22-8p23.1 without dysmorphic features and only mild mental retardation. The patients have been studied using G banding, chromosome painting, and FISH using cosmid probes specific for the region 8p23.1-8pter. Comparison of the phenotypes of our patients and of published patients with an inversion duplication of the short arm of chromosome 8 indicates that trisomy for chromosome band 8p21 causes the more severe clinical picture in the latter.
ISSN:0022-2593
1468-6244
1468-6244
DOI:10.1136/jmg.32.10.792