Phelan-McDermid syndrome

Summary
Synonym
  • 22q13.3 deletion syndrome
  • monosomy 22q13 syndrome
Definition
A chromosomal deletion syndrome that has_material_basis_in a deletion, translocation, ring chromosome formation or other structural change of the terminal end of chromosome 22 in the 22q13 region or a disease-causing mutation of the SHANK3 gene and that is characterized by neonatal hypotonia, absent to severely delayed speech, global developmental delay, and minor dysmorphic facial features. Most cases of 22q13.3 deletion syndrome are not inherited with 20% of cases (autosomal dominant) inherited from a parent. The deletion occurs most often as a random event during the formation of reproductive cells (eggs or sperm) or in early fetal development.
Super Class
chromosomal deletion syndrome
Disease Ontology
DOID:0080354
Mondo Disease Ontology
ORDO
OMIM
GARD
MGI genotype (from TogoID)
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
6942 TCF20 transcription factor 20
Displaying all 2 entries
Gene ID Gene Symbol Description Source
21411 Tcf20 transcription factor 20
58234 Shank3 SH3 and multiple ankyrin repeat domains 3

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: December 9, 2024