Coffin Siris syndrome (CSS)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Coffin Siris syndrome (CSS). ARID1B: in about 50% of cases, SMARCB1, SMARCA4, SMARCE1, ARID1A, PHF6, DPF2. Fully referenced neurology checklist.

BAF complex genetic mutations

  • ARID1B: in about 50% of cases
  • SMARCB1
  • SMARCA4
  • SMARCE1
  • ARID1A
  • PHF6
  • DPF2

Non-BAF complex genetic mutations

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Other BAF complex disorders

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Developmental features

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Dysmorphic features

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Other neurological features

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Ophthalmic features

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Systemic features

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Electroencephalogram (EEG)

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Synonym

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References

  1. Proietti J, Amadori E, Striano P, et al. Epilepsy features in ARID1B-related Coffin-Siris syndrome. Epileptic Disord 2021; 23:865-874.
  2. Curcio MR, Ferranti S, Lotti F, Grosso S. Coffin-Siris syndrome and epilepsy. Neurol Sci 2021; 42:727-729. 
  3. Kosho T, Okamoto N; Coffin-Siris Syndrome International Collaborators. Genotype-phenotype correlation of Coffin-Siris syndrome caused by mutations in SMARCB1, SMARCA4, SMARCE1, and ARID1A. Am J Med Genet C Semin Med Genet 2014; 166C:262-275.
  4. Vasileiou G, Vergarajauregui S, Endele S, et al. Mutations in the BAF-complex subunit DPF2 are associated with Coffin-Siris syndrome. Am J Hum Genet 2018; 102:468-479. 
  5. Kosho T, Miyake N, Carey JC. Coffin-Siris syndrome and related disorders involving components of the BAF (mSWI/SNF) complex: historical review and recent advances using next generation sequencing. Am J Med Genet C Semin Med Genet 2014; 166C:241-251.
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