scholarly journals Targeted next-generation sequencing identifies the disruption of the SHANK3 and RYR2 genes in a patient carrying a de novo t(1;22)(q43;q13.3) associated with signs of Phelan-McDermid syndrome

2020 ◽  
Vol 13 (1) ◽  
Author(s):  
Maria Clara Bonaglia ◽  
Sara Bertuzzo ◽  
Anna Maria Ciaschini ◽  
Giancarlo Discepoli ◽  
Lucia Castiglia ◽  
...  
2020 ◽  
pp. 1-6
Author(s):  
Selma Demir ◽  
Hakan Gürkan ◽  
Veysel Öz ◽  
Sinem Yalçıntepe ◽  
Emine İ. Atlı ◽  
...  

Wiedemann-Steiner syndrome (WDSTS) is a rare autosomal dominant disorder with a variable clinical phenotype including synophrys, hypertelorism, thick eyebrows, long eyelashes, wide nasal bridge, long philtrum, hypertrichosis, growth retardation, and intellectual disability. Cornelia de Lange syndrome (CdLS) is a rare disease characterized by synophrys, long eyelashes, limb abnormalities, generalized hirsutism, growth retardation, and intellectual disability. In both WDSTS and CdLS, the malformations are due to transcriptome disturbance caused by defects in the genes encoding the components of chromatin regulation and transcription process. The overlapping features in these two syndromes may complicate the original diagnosis of a patient. Here, we report on a Wiedemann-Steiner patient found to have a de novo pathogenic <i>KMT2A</i> variation who had been clinically suspected as CdLS. We suggest that targeted next-generation sequencing is a feasible tool for the precise diagnosis of patients who have phenotypically and clinically overlapping features of CdLS and WDSTS.


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