Leukodystrophy, Hypomyelinating, 12; Hld12
Description
Hypomyelinating leukodystrophy-12 is an autosomal recessive neurologic disorder characterized by severely delayed or even lack of psychomotor development that becomes apparent in the first months of life. Patients are markedly disabled, with acquired microcephaly, lack of speech, and often lack of spontaneous movement due to hypotonia and spasticity. Brain imaging shows delayed myelination (summary by Edvardson et al., 2015).For a general phenotypic description and a discussion of genetic heterogeneity of HLD, see {312080}.
Genes related to Leukodystrophy, Hypomyelinating, 12; Hld12
- VPS11
Clinical Features
Top most frequent phenotypes and symptoms related to Leukodystrophy, Hypomyelinating, 12; Hld12
- Intellectual disability
- Seizures
- Global developmental delay
- Generalized hypotonia
- Hearing impairment
- Microcephaly
- Growth delay
- Sensorineural hearing impairment
- Spasticity
- Flexion contracture
Incidence and onset information
— Not enough data available about incidence and published cases.
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Leukodystrophy, Hypomyelinating, 12; Hld12 Recommended genes panels
Panel Name, Specifity and genes Tested/covered |
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Neurogenetic Disorders - panels.
By MGZ Medical Genetics Center in Germany.
MTHFR, TTR, UBE3A, AARS2, ABHD12, ACAD9, ACADM, ACADS, AGL, ACADVL, YARS2, PC, UQCRQ, ARG1, UQCRB, ATP5F1E, ATP7B, ATPAF2, AUH, BCKDHA , (...)
View the complete list with 577 more genes
Specificity
1 %
Genes
100 % |
Leukodystrophy / Leukencephalopathy and differential diagnoses Panel.
By CeGaT GmbH in Germany.
AARS2, PC, TYROBP, ATP7A, ATP7B, AUH, BCS1L, C12orf65, MMACHC, HSD17B4, PSAP, GLB1, OCRL, POLG, NDUFS4, HSPD1, FOXRED1, NDUFAF2, NDUFA12, NDUFA9 , (...)
View the complete list with 155 more genes
Specificity
1 %
Genes
100 % |
Leukodystrophy / Leukoencephalopathy Panel.
By CeGaT GmbH in Germany.
AARS2, TYROBP, HSD17B4, PSAP, HSPD1, SCP2, DARS2, ABCD1, ALDH3A2, ACOX1, GALC, L2HGDH, GBE1, GCDH, CYP27A1, ARSA, ASPA, EIF2B1, GJC2, PLP1 , (...)
View the complete list with 56 more genes
Specificity
2 %
Genes
100 % |
VPS11.
By Fulgent Genetics Fulgent Genetics in United States.
VPS11
Specificity
100 %
Genes
100 % |
Alternate names
Leukodystrophy, Hypomyelinating, 12; Hld12 Is also known as ;vps11-related autosomal recessive hypomyelinating leukoencephalopathy.
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