FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term MASA syndrome ID (Ontology) DOID:0060246 (Human Disease)
Definition A hereditary spastic paraplegia that is characterized by hydrocephalus, spasticity of the lower limbs, adducted thumbs, aphasia, seizures, agenesis of the corpus callosum and intellectual disability in the mild to moderate range.
Also Known As "CRASH syndrome" ; "Gareis-Mason syndrome" ; "hereditary spastic paraplegia 1" (for all, see Synonyms field below)
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Data Class Field Records
Alleles (FBal)  HUMAN_DISEASE_INTERACTIONS       3
Human Disease Models (FBhh)  DOID       1
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Relevant FlyBase reports
 Alleles Genes Human Disease Models
 MASA syndrome       3      2      1
 for disease ribbon | MASA syndrome       --       1       --
 model of | MASA syndrome       3      1       --
Spanning Tree (Parents/Children)
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X-linked monogenic disease
 |__X-linked recessive disease_____
central nervous system disease     |
 |__brain disease__________________|
paraplegia                         |
 |__hereditary spastic paraplegia__|
                                   MASA syndrome  6 rec.
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Is a X-linked recessive disease
hereditary spastic paraplegia
brain disease
Part of
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Synonyms
  • "CRASH syndrome" EXACT
    "Gareis-Mason syndrome" EXACT
    "hereditary spastic paraplegia 1" EXACT
    "L1 syndrome" EXACT
    "SPG1" EXACT OMO:0003012
    "X-linked complicated hereditary spastic paraplegia type 1" EXACT
    "X-linked corpus callosum agenesis" EXACT
    "X-linked spastic paraplegia 1" EXACT
Secondary IDs
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GARD:6986
MESH:C536029
MIM:303350
NCI:C129930
ORDO:2466
SNOMEDCT_US_2023_03_01:716996008
UMLS_CUI:C0795953