Angelman syndrome

genetic condition in humans
MedicalCondition designated_intractable_rare_disease Q535364
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Summary

Angelman syndrome is a designated intractable/rare disease[1]. It ranks in the top 9% of designated intractable rare disease entities by monthly Wikipedia readership (21,493 views/month).[2]

Key Facts

  • Discoverer or inventor: Harry Angelman[3]
  • Instance of: developmental defect during embryogenesis[4], rare disease[5], class of disease[6]
  • Named after: Harry Angelman[7]
  • Subclass of: chromosomal disease[8], genetic syndromic intellectual disability[9], organic brain syndrome[10], chromosomal anomaly with epilepsy as a major feature[11], syndrome[12], disease[13]
  • Commons category: Angelman syndrome[14]
  • Time of discovery or invention: 1965[15]
  • External data available at URL: http://www.nanbyou.or.jp/entry/4771[16]
  • ICD-9-CM: 759.89[17]
  • NCI Thesaurus ID: C75462[18]
  • Health specialty: medical genetics[19], neurology[20]
  • Genetic association: UBE3A[21], MECP2[22]
  • Exact match: http://purl.obolibrary.org/obo/DOID_1932[23], http://identifiers.org/doid/DOID:1932[24], http://www.orpha.net/ORDO/Orphanet_72[25]
  • On focus list of Wikimedia project: WikiProject Medicine[26]

Why It Matters

Angelman syndrome has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[27] It is known by 55 alternative names across languages and contexts.[28]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [3] ↑ . 'Puppet' children. A report on three cases (1965).. wikidata.org.
  5. [7] ↑ . 'Puppet' children. A report on three cases (1965).. wikidata.org.
  6. [8] ↑ . Disease Ontology. Retrieved . wikidata.org.
  7. [9] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  8. [10] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  9. [11] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  10. [12] ↑ . Disease Ontology. Retrieved . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . 'Puppet' children. A report on three cases (1965).. wikidata.org.
  14. [16] ↑ . ddrare.nibiohn.go.jp. Retrieved . ddrare.nibiohn.go.jp. Provenance: wikidata.org.
  15. [17] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  16. [18] ↑ . Disease Ontology. Retrieved . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . UniProt. Retrieved . search.clinicalgenome.org. Provenance: wikidata.org.
  20. [22] ↑ . UniProt. Retrieved . wikidata.org.
  21. [23] ↑ . Disease Ontology. Retrieved . wikidata.org.
  22. [24] ↑ . Identifiers.org. registry.identifiers.org. Provenance: wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] ↑ . Wikidata sitelinks. wikidata.org.
  3. [28] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Angelman syndrome. Retrieved October 14, 2026, from https://4ort.xyz/entity/angelman-syndrome
MLA “Angelman syndrome.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/angelman-syndrome.
BibTeX @misc{4ortxyz_angelman-syndrome_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Angelman syndrome}}, year = {2026}, url = {https://4ort.xyz/entity/angelman-syndrome}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Angelman syndrome — https://4ort.xyz/entity/angelman-syndrome (retrieved 2026-10-14)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14w ago · JhealdBatch bot · 2026-07-05 view diff on Wikidata ↗
    Subclass of → chromosomal disease, genetic syndromic intellectual disability, organic brain syndrome +3
    Instance of → designated intractable/rare disease, developmental defect during embryogenesis, rare disease +1
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39953|batch #39953]]: deprecate redundant disease superclasses (2)"
  2. 14w ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Subclass of → chromosomal disease, genetic syndromic intellectual disability, organic brain syndrome +3
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39732|batch #39732]]: rm redundant subclass"
  3. 20w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Discoverer or inventor → Harry Angelman
    Health specialty → medical genetics, neurology
    Instance of → designated intractable/rare disease, developmental defect during embryogenesis, rare disease +1
    Aliases → —
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007546505805171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.