Evidence map›Paper›PMID 18813332›Full record

ArticleEuropean journal of human genetics : EJHG2009

A familial inverted duplication/deletion of 2p25.1-25.3 provides new clues on the genesis of inverted duplications.

Maria Clara Bonaglia, Roberto Giorda, Angelo Massagli, Rita Galluzzi, Roberto Ciccone, Orsetta Zuffardi

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Article in European journal of human genetics : EJHG, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

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21citing papers in PubMed
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1 · What the graph read from it

What it found

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3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

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  10. A newborn with ambiguous genitalia and a complex X;Y rearrangement.Iranian journal of reproductive medicine · 2014
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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Maria Clara BonagliaScientific Institute Eugenio Medea, Bosisio Parini, Lecco, Italy. clara.bonaglia@bp.lnf.it
Roberto Giorda
Angelo Massagli
Rita Galluzzi
Roberto Ciccone
Orsetta Zuffardi

Funding

Telethon GGP06208
6 · The paper itself

Abstract

We studied a family in which the same 10 Mb inverted duplication of 2p25.3-p25.1 segregates in two children and their father, all showing a trisomy phenotype. As FISH analysis demonstrated that the duplication was inverted, we suspected that a contiguous terminal deletion was also present, according to the classical inv dup del type of rearrangements. Although FISH with 2p and 2q subtelomeric probes gave normal results, 100 kb resolution array-C/GH (aCGH) showed that, beside the duplication, a 273 kb deletion was also present. The presence of a single-copy region between the deleted and duplicated regions was further suspected through high-resolution aCGH analysis (approximately 20 kb), although only one informative spot having a normal log ratio was detected. The precise structure of the rearrangement was re-defined by real-time PCR and breakpoint cloning, demonstrating the presence of a 2680 bp single-copy sequence between deleted and duplicated regions and the involvement of a simple repeat with the potential for forming a non-B DNA structure. The rearrangement was not mediated by segmental duplications or short inverted repeats, and the double-strand break might have been repaired by non-homologous end joining or microhomology-mediated intrastrand repair. These data highlight the fact that concomitant deletions associated with inverted duplications are very likely to be more frequent than classical cytogenetic methods alone have been able to demonstrate. The phenotypic effects of the trisomy and of the terminal 2p deletion are discussed.

Indexed as

Chromosome DeletionChromosome InversionGene DuplicationTrisomyAdolescentAdultChildChromosomes, Human, Pair 2Cytogenetic AnalysisFamilyFemaleHumansIn Situ Hybridization, FluorescenceIntellectual DisabilityMale

Identifiers

PMID18813332
PMCPMC2986066

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.