Silverman-Handmaker type dyssegmental dysplasia

Summary
Definition
An osteochondrodysplasia characterized by short-limbed dwarfism, anisospondyly, and neonatal lethality that has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the gene encoding perlecan (HSPG2) on chromosome 1p36.
Super Class
autosomal recessive disease osteochondrodysplasia
Disease Ontology
DOID:0090032
Mondo Disease Ontology
ORDO
MGI genotype (from TogoID)
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
3339 HSPG2 heparan sulfate proteoglycan 2
Displaying 1 entry
Gene ID Gene Symbol Description Source
15530 Hspg2 perlecan (heparan sulfate proteoglycan 2)
Related Glycoprotein
The Human Phenotype Ontology
Displaying entries 1 - 10 of 50 in total
HPO ID HPO Term
HP:0000946 Hypoplastic ilia
HP:0000358 Posteriorly rotated ears
HP:0001789 Hydrops fetalis
HP:0000175 Cleft palate
HP:0001371 Flexion contracture
HP:0000519 Developmental cataract
HP:0000119 Abnormality of the genitourinary system
HP:0000773 Short ribs
HP:0001627 Abnormal heart morphology
HP:0000252 Microcephaly
Displaying 1 entry
Gene ID Gene Symbol Description
3339 HSPG2 heparan sulfate proteoglycan 2

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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 8, 2025