{
  "id": 12914,
  "label": "spinocerebellar ataxia type 21",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0011833",
  "properties": {
    "xrefs": [
      "DOID:0050972",
      "GARD:0009999",
      "MEDGEN:375311",
      "MESH:C537200",
      "OMIM:607454",
      "Orphanet:98773",
      "SCTID:718774001",
      "UMLS:C1843891",
      "icd11.foundation:1426889593"
    ],
    "synonyms": [
      "SCA21",
      "spinocerebellar ataxia type 21",
      "spinocerebellar ataxia 21"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "Spinocerebellar ataxia type 21 (SCA21) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterized by slowly progressive cerebellar ataxia, mild cognitive impairment, postural and/or resting tremor, bradykinesia, and rigidity."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 19535,
      "label": "autosomal dominant cerebellar ataxia type I",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        19840
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0019252",
          "MEDGEN:1842696",
          "Orphanet:94145",
          "UMLS:C5680259"
        ],
        "synonyms": [
          "ADCA1",
          "ADCAI",
          "autosomal dominant cerebellar ataxia type 1",
          "cerebellar plus syndrome"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Autosomal dominant cerebellar ataxia (ADCA) type I is a group of spinocerebellar ataxias (SCAs) characterized by ataxia with other neurological signs, including oculomotor disturbances, cognitive deficits, pyramidal and extrapyramidal dysfunction, bulbar, spinal and peripheral nervous system involvement."
      },
      "child_count": 30,
      "reference_id": "MONDO:0019792"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 19535,
      "label": "autosomal dominant cerebellar ataxia type I"
    }
  ]
}