{
  "id": 15863,
  "label": "hereditary spastic paraplegia 77",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0014882",
  "properties": {
    "xrefs": [
      "DOID:0110822",
      "GARD:0017827",
      "MEDGEN:1800430",
      "OMIM:617046",
      "Orphanet:466722",
      "UMLS:C5569007"
    ],
    "synonyms": [
      "FARS2 hereditary spastic paraplegia",
      "SPG77",
      "hereditary spastic paraplegia caused by mutation in FARS2",
      "hereditary spastic paraplegia type 77",
      "spastic paraplegia 77, autosomal recessive",
      "autosomal recessive spastic paraplegia type 77"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "Autosomal recessive spastic paraplegia type 77 is a rare, pure or complex hereditary spastic paraplegia characterized by an infancy to childhood onset of slowly progressive lower limb spasticity, delayed motor milestones, gait disturbances, hyperreflexia and various muscle abnormalities, including weakness, hypotonia, intention tremor and amyotrophy. Ocular abnormalities (e.g. strabismus, ptosis) and other neurological abnormalities, such as dysarthria, seizures and extensor plantar responses, may also be associated."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 16918,
      "label": "mitochondrial oxidative phosphorylation disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5908
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0020546",
          "MEDGEN:1825947",
          "Orphanet:223713",
          "UMLS:C5679825",
          "icd11.foundation:1204111545"
        ],
        "synonyms": [
          "OXPHOS disease",
          "OXPHOS system deficiency"
        ],
        "definition": "A multisystem disorder with variable manifestations resulting from a defect in the mitochondrial oxidative phosphorylation (OXPHOS) system."
      },
      "child_count": 48,
      "reference_id": "MONDO:0016387"
    },
    {
      "id": 18959,
      "label": "hereditary spastic paraplegia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5637,
        21292,
        24271
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:2476",
          "GARD:0006637",
          "ICD10CM:G11.4",
          "ICD9:334.1",
          "MEDGEN:20844",
          "MESH:D015419",
          "MedDRA:10019903",
          "NANDO:1200052",
          "NCIT:C140267",
          "NORD:1238",
          "OMIMPS:303350",
          "Orphanet:685",
          "SCTID:39912006",
          "UMLS:C0037773",
          "icd11.foundation:810807375"
        ],
        "synonyms": [
          "spastic paraplegia",
          "HSP",
          "SPG",
          "Strümpell-Lorrain disease",
          "familial spastic paraplegia",
          "hereditary spastic paraparesis",
          "FSP",
          "familial spastic paraparesis"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Hereditary spastic paraplegias (HSP) comprise a genetically and clinically heterogeneous group of neurodegenerative disorders characterized by progressive spasticity and hyperreflexia of the lower limbs."
      },
      "child_count": 135,
      "reference_id": "MONDO:0019064"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 16918,
      "label": "mitochondrial oxidative phosphorylation disorder"
    },
    {
      "id": 18959,
      "label": "hereditary spastic paraplegia"
    }
  ]
}