FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term Kleefstra syndrome 1 ID (Ontology) DOID:0060352 (Human Disease)
Definition A Kleefstra syndrome that is characterized by severe mental retardation, hypotonia, microcephaly, epileptic seizures, flat face with hypertelorism, synophrys, anteverted nares, everted lower lip, carp mouth with macroglossia, and heart defects and that has_material_basis_in a microdeletion in the chromosome region 9q34.3 or by a point mutation in the EHMT1 gene located in that region.
Also Known As "9q subtelomeric deletion syndrome" ; "9q-syndrome" ; "9q34 deletion syndrome"
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DO.org
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Data Class Field Records
Alleles (FBal)  HUMAN_DISEASE_INTERACTIONS       2
Human Disease Models (FBhh)  DOID       1
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 Alleles Genes Human Disease Models
 Kleefstra syndrome 1       2      1      1
 for disease ribbon | Kleefstra syndrome 1       --       1       --
 model of | Kleefstra syndrome 1       2      1       --
Spanning Tree (Parents/Children)
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autosomal genetic disease
 |__autosomal dominant disease_____
chromosomal disease                |
 |__chromosomal deletion syndrome__|
syndrome                           |
 |__Kleefstra syndrome_____________|
                                   Kleefstra syndrome 1  4 rec.
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Is a autosomal dominant disease
chromosomal deletion syndrome
Kleefstra syndrome
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Synonyms
  • "9q subtelomeric deletion syndrome" EXACT
    "9q-syndrome" EXACT
    "9q34 deletion syndrome" EXACT
Secondary IDs
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GARD:8672
MESH:C563043
MIM:610253
NCI:C129976
ORDO:261494
UMLS_CUI:C0795833