Lysosomal storage disorder

Gene: PSAP

Green List (high evidence)

PSAP (prosaposin)
EnsemblGeneIds (GRCh38): ENSG00000197746
EnsemblGeneIds (GRCh37): ENSG00000197746
OMIM: 176801, Gene2Phenotype
PSAP is in 14 panels

2 reviews

Emma Ashton (Great Ormond Street Hospital)

Green List (high evidence)

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Carol Hardy (West Midlands Regional Genetics Laboratory)

Green List (high evidence)

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Combined SAP deficiency 611721; Gaucher disease, atypical 610539; Krabbe disease, atypical 611722; Metachromatic leukodystrophy due to SAP-b deficiency 249900

Variants in this GENE are reported as part of current diagnostic practice

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • NHS GMS
  • Wessex and West Midlands GLH
  • Expert Review Green
  • North London GLH
Phenotypes
  • Krabbe disease, atypical OMIM:611722
  • Krabbe disease, atypical, due to saposin A deficiency MONDO:0012720
  • Combined SAP deficiency OMIM:611721
  • encephalopathy due to prosaposin deficiency MONDO:0012719
  • Gaucher disease, atypical OMIM:610539
  • atypical Gaucher disease due to saposin C deficiency MONDO:0012517
  • Metachromatic leukodystrophy due to SAP-b deficiency OMIM:249900
  • metachromatic leukodystrophy due to saposin b deficiency MONDO:0009590
OMIM
176801
Clinvar variants
Variants in PSAP
Penetrance
None
Panels with this gene

History Filter Activity

16 Mar 2021, Gel status: 3

Set Phenotypes

Sarah Leigh (Genomics England Curator)

Phenotypes for gene: PSAP were changed from Krabbe disease, atypical 611722; Combined SAP deficiency 611721; Gaucher disease, atypical 610539; Metachromatic leukodystrophy due to SAP-b deficiency 249900 to Krabbe disease, atypical OMIM:611722; Krabbe disease, atypical, due to saposin A deficiency MONDO:0012720; Combined SAP deficiency OMIM:611721; encephalopathy due to prosaposin deficiency MONDO:0012719; Gaucher disease, atypical OMIM:610539; atypical Gaucher disease due to saposin C deficiency MONDO:0012517; Metachromatic leukodystrophy due to SAP-b deficiency OMIM:249900; metachromatic leukodystrophy due to saposin b deficiency MONDO:0009590

13 Feb 2019, Gel status: 4

Created, Added New Source, Set mode of inheritance, Set Phenotypes

Ivone Leong (Genomics England Curator)

gene: PSAP was added gene: PSAP was added to Lysosomal storage disorder. Sources: North London GLH,Expert Review Green,Wessex and West Midlands GLH,NHS GMS Mode of inheritance for gene: PSAP was set to BIALLELIC, autosomal or pseudoautosomal Phenotypes for gene: PSAP were set to Krabbe disease, atypical 611722; Combined SAP deficiency 611721; Gaucher disease, atypical 610539; Metachromatic leukodystrophy due to SAP-b deficiency 249900