Spinocerebellar Ataxia Type 21

Description

Spinocerebellar ataxia type 21 (SCA21) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I; see this term). It is characterized by slowly progressive cerebellar ataxia, mild cognitive impairment, postural and/or resting tremor, bradykinesia, and rigidity.

Clinical Features

Top most frequent phenotypes and symptoms related to Spinocerebellar Ataxia Type 21

  • Intellectual disability
  • Global developmental delay
  • Ataxia
  • Nystagmus
  • Neoplasm
  • Cognitive impairment
  • Dysarthria
  • Tremor
  • Intellectual disability, severe
  • Cerebellar atrophy

And another 26 symptoms. If you need more information about this disease we can help you.

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Incidence and onset information

— Currently we don't have prevalence information about this disease (Not enough data available about incidence and published cases.)
No data available about the known clinical features onset.

Alternative names

Spinocerebellar Ataxia Type 21 Is also known as sca21.

Researches and researchers

Currently, we don't have any information about doctors, researches or researchers related to this disease. Please contact us if you would like to appear here.


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Spinocerebellar Ataxia Type 21 Recommended genes panels

Panel Name, Specifity and genes Tested/covered
Ataxia Exome Panel.

By Genetic Services Laboratory University of Chicago (United States).

BCS1L, RTN2, SACS, SCN1A, SCN2A, SCN8A, SCO1, SDHA, SDHD, SLC16A2, SLC17A5, SLC19A2, SLC1A3, SLC20A2, SLC2A1, SLC6A1, SLC9A1, SLC9A6, SNAP25, SOD1 , (...)

View the complete list with 457 more genes
Specificity
1 %
Genes
100 %
Hereditary ataxias (NGS panel for 44 genes).

By CGC Genetics (Portugal).

SACS, SLC1A3, SPTBN2, TTPA, VAMP1, VLDLR, CACNA1A, CACNB4, ELOVL4, ABHD12, APTX, TGM6, COQ8A, SYNE1, TDP1, TTBK2, CCDC88C, ELOVL5, SYT14, PLEKHG4 , (...)

View the complete list with 24 more genes
Specificity
3 %
Genes
100 %
Spinocerebellar Ataxia 21 via TMEM240 Gene Sequencing with CNV Detection.

By PreventionGenetics PreventionGenetics (United States).

TMEM240
Specificity
100 %
Genes
100 %
Spinocerebellar ataxia type 21, autosomal dominant.

By Centogene AG - the Rare Disease Company (Germany).

TMEM240
Specificity
100 %
Genes
100 %
Ataxia and differential diagnoses Panel.

By CeGaT GmbH (Germany).

RPIA, SACS, ATXN1, ATXN10, ATXN2, ATXN7, SCN2A, SLC17A5, SLC1A3, SLC6A1, SLC9A1, SNAP25, BTD, SPG7, SPR, SPTBN2, STUB1, TBP, TWNK, ACO2 , (...)

View the complete list with 184 more genes
Specificity
1 %
Genes
100 %
Ataxia, autosomal dominant and X-linked Panel.

By CeGaT GmbH (Germany).

ATXN1, ATXN10, ATXN2, ATXN7, SLC1A3, SPG7, SPTBN2, TBP, VAMP1, VLDLR, CACNA1A, CACNA1G, CACNB4, ELOVL4, NOP56, TGM6, TTBK2, CCDC88C, ELOVL5, BEAN1 , (...)

View the complete list with 14 more genes
Specificity
3 %
Genes
100 %
Spinocerebellar Ataxia.

By Asper Biogene Asper Biogene LLC (Estonia).

SACS, SLC9A1, SLC9A6, SPTBN2, STUB1, TWNK, ACO2, TTPA, WFS1, WWOX, ATP8A2, ELOVL4, NPC2, CASK, SNX14, ABHD12, NOP56, APTX, TGM6, PNPLA6 , (...)

View the complete list with 45 more genes
Specificity
2 %
Genes
100 %
Ataxia Panel.

By Blueprint Genetics (Finland).

SACS, SLC1A3, SLC20A2, SLC2A1, SLC9A6, SPG7, SPTBN2, STUB1, TWNK, ACO2, CEP41, TTPA, VAMP1, VLDLR, WFS1, WWOX, ARL6, ATP8A2, FBXL4, CA8 , (...)

View the complete list with 137 more genes
Specificity
1 %
Genes
100 %

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Sources and references

You can check the following sources for additional information.

MESH OMIM ORPHANET Rare Disease Search Engine

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