Mental Retardation, Autosomal Recessive 40; Mrt40

Description

Microcephaly-thin corpus callosum-intellectual disability syndrome is a rare, genetic, syndromic intellectual disability disease characterized by progressive postnatal microcephaly and global developmental delay, as well as moderate to profound intellectual disability, difficulty or inability to walk, pyramidal signs (including spasticity, hyperreflexia and extensor plantar response) and thin corpus callosum revealed by brain imaging. Ophthalmologic signs (including nystagmus, strabismus and abnormal retinal pigmentation), foot deformity and genital anomalies may also be associated.

Clinical Features

Top most frequent phenotypes and symptoms related to Mental Retardation, Autosomal Recessive 40; Mrt40

  • Intellectual disability
  • Seizures
  • Global developmental delay
  • Microcephaly
  • Nystagmus
  • Spasticity
  • Hyperreflexia
  • Hypoplasia of the corpus callosum
  • Babinski sign
  • Abnormal pyramidal sign
And another 6 symptoms. If you need more information about this disease we can help you.
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Incidence and onset information

Not enough data available about incidence and published cases.


Mendelian

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Mental Retardation, Autosomal Recessive 40; Mrt40 Recommended genes panels

Panel Name, Specifity and genes Tested/covered
Non-Specific Intellectual Disability Panel.

By Genetic Services Laboratory University of Chicago in United States.

FMR1, UBE3A, HSD17B10, OCRL, HPRT1, NHS, MECP2, IDH2, STXBP1, TUBA1A, TUSC3, ALG6, D2HGDH, PDHA1, MAOA, ACSL4, SLC9A6, BCOR, ALDH5A1, L2HGDH , (...)

View the complete list with 153 more genes
Specificity
1 %
Genes
100 %
Mental retardation - different panels.

By Institute of Human Genetics Cologne University in Germany.

FMR1, UBE3A, PTEN, MCCC1, MCCC2, ACAD9, PC, ANKH, HLCS, ATP7A, AUH, B4GALT7, BCKDHA, BCKDHB, BCS1L, C12orf65, ADSL, MMACHC, PRKCG, PAX6 , (...)

View the complete list with 847 more genes
Specificity
1 %
Genes
100 %
AllNeuro panel.

By Centogene AG - the Rare Disease Company in Germany.

F2, F5, FMR1, HTT, HFE, MTHFR, TTR, UBE3A, VHL, PTEN, AARS2, ABHD12, ACACA, ACAD9, ACADL, ACADM, ACADS, AGL, ACADVL, ACAT1 , (...)

View the complete list with 1185 more genes
Specificity
1 %
Genes
100 %
TAF2.

By Fulgent Genetics Fulgent Genetics in United States.

TAF2
Specificity
100 %
Genes
100 %
Mental Retardation (Complete Panel) , Panel Massive Sequencing (NGS) 91 Genes.

By Reference Laboratory Genetics in Spain.

MECP2, STXBP1, TUSC3, ACSL4, SLC6A8, ARX, MEF2C, SYNGAP1, KIF1A, DYNC1H1, GRIN2B, MBD5, DEAF1, PQBP1, TBL1XR1, ST3GAL3, KANSL1, NRXN1, GRIN1, DYRK1A , (...)

View the complete list with 71 more genes
Specificity
2 %
Genes
100 %
Autosomal Recessive Mental Retardation, Panel Massive Sequencing (NGS) 32 Genes.

By Reference Laboratory Genetics in Spain.

STXBP1, TUSC3, ST3GAL3, NRXN1, CNTNAP2, NSUN2, ERLIN2, AP4S1, AP4B1, AP4E1, AP4M1, VLDLR, TTI2, TAF2, NDST1, WASHC4, FMN2, CRADD, ANK3, TECR , (...)

View the complete list with 12 more genes
Specificity
4 %
Genes
100 %

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