Mosaikbefunde in der Microarray-Diagnostik bei prä- und postnatalen Untersuchungen

作者: Eveline Fiedler

DOI: 10.1007/S11825-014-0012-4

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摘要: Die molekulare Karyotypisierung mithilfe der „Array“-basierten genomischen Hybridisierung (Microarrays) ermoglicht nicht nur den genomweiten, hochauflosenden Nachweis von Kopienzahlveranderungen, -zugewinnen und -verlusten, sondern auch die Detektion bestimmter Mosaike. Der Beitrag gibt eine Ubersicht uber Einflussgrosen beim Mosaiken mit Microarrays verschiedene Mosaikfalle, sowohl Array-CGH (CGH: „comparative genomic hybridization“) als SNP-Arrays (SNP: „single nucleotide polymorphism“) erhoben wurden. Dabei wird anhand Moglichkeit aufgezeigt, wie Prozentsatz eines Mosaiks bestimmt werden kann.

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