Article ; Online: Genomic Chaos (Multiple Copy Number Variations and Structural Reorganization) Detected in Two Prenatal Cases.
Cytogenetic and genome research
2021 Volume 161, Issue 5, Page(s) 236–242
Abstract: The use of new technologies in the routine diagnosis of constitutional abnormalities, such as high-resolution chromosomal microarray and next-generation sequencing, has unmasked new mechanisms for generating structural variation of the human genome. For ... ...
Abstract | The use of new technologies in the routine diagnosis of constitutional abnormalities, such as high-resolution chromosomal microarray and next-generation sequencing, has unmasked new mechanisms for generating structural variation of the human genome. For example, complex chromosome rearrangements can originate by a chromosome catastrophe phenomenon in which numerous genomic rearrangements are apparently acquired in a single catastrophic event. This phenomenon is named chromoanagenesis (from the Greek "chromo" for chromosome and "anagenesis" for rebirth). Herein, we report 2 cases of genomic chaos detected at prenatal diagnosis. The terms "chromothripsis" and "chromoanasynthesis" and the challenge of genetic counseling are discussed. |
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MeSH term(s) | Abortion, Eugenic ; Adult ; Chromosome Breakpoints ; Chromothripsis ; Comparative Genomic Hybridization ; DNA Copy Number Variations ; Female ; Fetus ; Gene Rearrangement ; Genetic Counseling/ethics ; Genome, Human ; High-Throughput Nucleotide Sequencing ; Humans ; Karyotyping/methods ; Male ; Pregnancy ; Prenatal Diagnosis/methods |
Language | English |
Publishing date | 2021-07-16 |
Publishing country | Switzerland |
Document type | Case Reports |
ZDB-ID | 2087824-2 |
ISSN | 1424-859X ; 1424-8581 |
ISSN (online) | 1424-859X |
ISSN | 1424-8581 |
DOI | 10.1159/000515653 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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