{
  "url": "https://dantelabs.com/traits/biliary-atresia",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "biliary-atresia",
    "id": "HP:0005912",
    "name": "Biliary atresia",
    "definition": "Atresia of the biliary tree.",
    "synonyms": [
      "Atresia of bile ducts",
      "Biliary duct atresia"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-digestive-system",
        "name": "Abnormality of the digestive system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-digestive-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-biliary-tract-morphology",
        "name": "Abnormal biliary tract morphology",
        "url": "https://dantelabs.com/traits/abnormal-biliary-tract-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "intrahepatic-biliary-atresia",
        "name": "Intrahepatic biliary atresia",
        "genes": 8,
        "url": "https://dantelabs.com/traits/intrahepatic-biliary-atresia"
      },
      {
        "slug": "extrahepatic-biliary-duct-atresia",
        "name": "Extrahepatic biliary duct atresia",
        "genes": 1,
        "url": "https://dantelabs.com/traits/extrahepatic-biliary-duct-atresia"
      }
    ],
    "genes": [
      {
        "slug": "ercc4",
        "symbol": "ERCC4",
        "hgnc": "HGNC:3436",
        "name": "ERCC excision repair 4, endonuclease catalytic subunit",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ercc4"
      },
      {
        "slug": "gata6",
        "symbol": "GATA6",
        "hgnc": "HGNC:4174",
        "name": "GATA binding protein 6",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/gata6"
      },
      {
        "slug": "zic3",
        "symbol": "ZIC3",
        "hgnc": "HGNC:12874",
        "name": "Zic family zinc finger 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zic3"
      },
      {
        "slug": "rfx6",
        "symbol": "RFX6",
        "hgnc": "HGNC:21478",
        "name": "regulatory factor X6",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rfx6"
      }
    ]
  }
}