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Mol Med Rep. 2016 Dec;14(6):5134-5140. doi: 10.3892/mmr.2016.5864. Epub 2016 Oct 19.

Chromosome 10q26 deletion syndrome: Two new cases and a review of the literature.

Author information

1
Fetal Medicine Center, Department of Obstetrics & Gynecology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China.

Abstract

The current study presents the cases of two unrelated patients with similar clinical features, including craniofacial anomalies, developmental delay/intellectual disability and cardiac malformations, that are consistent with chromosome 10q26 deletion syndrome. High‑resolution single‑nucleotide polymorphism analysis revealed that 10q26 terminal deletions were present in these two patients. The locations and sizes of the 10q26 deletions in these two patients were compared with the locations and sizes of 10q26 deletions in 30 patients recorded in the DECIPHER database and 18 patients characterized in previous studies through chromosomal microarray analysis. The clinical features and locations of the 10q26 deletions of these patients were reviewed in an attempt to map or refine a critical region (CR) for phenotypes. Additionally, the association between previously suggested CRs and phenotypic variability was discussed. The current study emphasize that a distal 10q26 terminal deletion with a breakpoint at ~130 Mb may contribute to the common clinical features of 10q26 deletion syndrome.

PMID:
27779662
PMCID:
PMC5355737
DOI:
10.3892/mmr.2016.5864
[Indexed for MEDLINE]
Free PMC Article

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