{
  "url": "https://dantelabs.com/traits/abnormal-facial-expression",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "abnormal-facial-expression",
    "id": "HP:0005346",
    "name": "Abnormal facial expression",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-the-face",
        "name": "Abnormality of the face",
        "url": "https://dantelabs.com/traits/abnormality-of-the-face"
      }
    ],
    "narrower": [
      {
        "slug": "decreased-facial-expression",
        "name": "Decreased facial expression",
        "genes": 12,
        "url": "https://dantelabs.com/traits/decreased-facial-expression"
      },
      {
        "slug": "disturbance-of-facial-expression",
        "name": "Disturbance of facial expression",
        "genes": 5,
        "url": "https://dantelabs.com/traits/disturbance-of-facial-expression"
      }
    ],
    "genes": [
      {
        "slug": "hpse2",
        "symbol": "HPSE2",
        "hgnc": "HGNC:18374",
        "name": "heparanase 2 (inactive)",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hpse2"
      }
    ]
  }
}