General Information of Disease (ID: DISG6Y6W)

Disease Name Christianson syndrome
Synonyms
intellectual disability X-linked syndromic Christianson type; intellectual disability, X-linked, syndromic, Christianson type; Angelman-like syndrome, X-linked; Angelman-like syndrome X-linked; MRXS Christianson; mental retardation, X-linked, syndromic, Christianson type; intellectual disability microcephaly epilepsy and ataxia syndrome; X-linked intellectual disability - craniofacial dysmorphism - epilepsy - ophthalmoplegia - cerebellar atrophy; intellectual disability, X-linked syndromic, Christianson type; mental retardation, X-linked syndromic, Christianson type; MRXSCH; intellectual developmental disorder, X-linked syndromic, Christianson type; X-linked intellectual disability, South African type; X-linked Angelman-like syndrome; X-linked intellectual disability-craniofacial dysmorphism-epilepsy-ophthalmoplegia-cerebellar atrophy syndrome; intellectual disability, microcephaly, epilepsy, and ataxia syndrome; mental retardation, microcephaly, epilepsy, and ataxia syndrome; Christianson syndrome
Definition A very rare form of syndromic intellectual deficit characterized by microcephaly, severe developmental delay or regression, hypotonia, abnormal movements, and early-onset seizures.
Disease Hierarchy
DIS6SVEE: Syndromic disease
DISYKSRF: Genetic disease
DISG6Y6W: Christianson syndrome
Disease Identifiers
MONDO ID
MONDO_0010278
MESH ID
C567484
UMLS CUI
C2678194
OMIM ID
300243
MedGen ID
394455
Orphanet ID
85278
SNOMED CT ID
702354007

Molecular Interaction Atlas (MIA) of This Disease

Molecular Interaction Atlas (MIA)
This Disease Is Related to 4 DTP Molecule(s)
Gene Name DTP ID Evidence Level Mode of Inheritance REF
SLC9A9 DT8LP62 Strong Biomarker [1]
SLC9C2 DT2N5HO Strong Genetic Variation [2]
SLC9A6 DTN0JXW Definitive X-linked [3]
SLC9A6 DTN0JXW Definitive Genetic Variation [4]
------------------------------------------------------------------------------------
This Disease Is Related to 2 DOT Molecule(s)
Gene Name DOT ID Evidence Level Mode of Inheritance REF
CNKSR2 OTAGERJ2 Strong Biomarker [5]
SLC9A6 OT5N47TC Definitive X-linked [3]
------------------------------------------------------------------------------------

References

1 The Na(+)(K(+))/H(+) exchanger Nhx1 controls multivesicular body-vacuolar lysosome fusion.Mol Biol Cell. 2018 Feb 1;29(3):317-325. doi: 10.1091/mbc.E17-08-0496. Epub 2017 Dec 6.
2 A novel mutation in the endosomal Na+/H+ exchanger NHE6 (SLC9A6) causes Christianson syndrome with electrical status epilepticus during slow-wave sleep (ESES).Epilepsy Res. 2014 May;108(4):811-5. doi: 10.1016/j.eplepsyres.2014.02.009. Epub 2014 Feb 19.
3 Technical standards for the interpretation and reporting of constitutional copy-number variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics (ACMG) and the Clinical Genome Resource (ClinGen). Genet Med. 2020 Feb;22(2):245-257. doi: 10.1038/s41436-019-0686-8. Epub 2019 Nov 6.
4 Xq26 duplications lead to undergrowth or overgrowth via competing pathways including GPC3/GPC4.Ann Hum Genet. 2020 Mar;84(2):201-204. doi: 10.1111/ahg.12357. Epub 2019 Oct 3.
5 Electrical status epilepticus in sleep, a constitutive feature of Christianson syndrome?.Eur J Paediatr Neurol. 2018 Nov;22(6):1124-1132. doi: 10.1016/j.ejpn.2018.07.004. Epub 2018 Jul 21.