0000000000077728

AUTHOR

Silvia Beatrice Maitz

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12q21 Interstitial Deletions: Seven New Syndromic Cases Detected by Array-CGH and Review of the Literature.

2022

Interstitial deletions of the long arm of chromosome 12 are rare, with a dozen patients carrying a deletion in 12q21 being reported. Recently a critical region (CR) has been delimited and could be responsible for the more commonly described clinical features, such as developmental delay/intellectual disability, congenital genitourinary and brain malformations. Other, less frequent, clinical signs do not seem to be correlated to the proposed CR. We present seven new patients harboring non-recurrent deletions ranging from 1 to 18.5 Mb differentially scattered across 12q21. Alongside more common clinical signs, some patients have rarer features such as heart defects, hearing loss, hypotonia an…

dysmorphismsComparative Genomic Hybridization12q21 deletiongenetic counselingcopy number variants (CNVs)DNA Copy Number Variationscongenital anomaliesarray-CGH; 12q21 deletion; copy number variants (CNVs); variation intolerant genes; loss of function; developmental delay/intellectual disability (DD/ID); congenital anomalies; dysmorphisms; genetic counseling; patient management12q21 deletion array-CGH congenital anomalies copy number variants (CNVs) developmental delay/intellectual disability (DD/ID) dysmorphisms genetic counseling loss of function patient management variation intolerant genesdevelopmental delay/intellectual disability (DD/ID)variation intolerant genesloss of functionSettore MED/03 - Genetica MedicaChromosome Structuresarray-CGHIntellectual DisabilityGeneticsHumansChromosome Deletionpatient managementGenetics (clinical)Genes
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