{
  "url": "https://dantelabs.com/traits/bilateral-polymicrogyria",
  "trait": {
    "bundleId": "2026.10.16-c6eea6bf",
    "release": "2026-09-01",
    "slug": "bilateral-polymicrogyria",
    "id": "HP:0025646",
    "name": "Bilateral polymicrogyria",
    "definition": "Polymicrogyria that affects all or some of both cerebral hemispheres.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "polymicrogyria",
        "name": "More grooves in brain",
        "url": "https://dantelabs.com/traits/polymicrogyria"
      }
    ],
    "narrower": [
      {
        "slug": "bilateral-perisylvian-polymicrogyria",
        "name": "Bilateral perisylvian polymicrogyria",
        "genes": 4,
        "url": "https://dantelabs.com/traits/bilateral-perisylvian-polymicrogyria"
      }
    ],
    "genes": [
      {
        "slug": "itgav",
        "symbol": "ITGAV",
        "hgnc": "HGNC:6150",
        "name": "integrin subunit alpha V",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/itgav"
      },
      {
        "slug": "fh",
        "symbol": "FH",
        "hgnc": "HGNC:3700",
        "name": "fumarate hydratase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fh"
      },
      {
        "slug": "sin3a",
        "symbol": "SIN3A",
        "hgnc": "HGNC:19353",
        "name": "SIN3 transcription regulator family member A",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sin3a"
      }
    ]
  }
}