{
  "url": "https://dantelabs.com/traits/hypoplastic-left-atrium",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "hypoplastic-left-atrium",
    "id": "HP:0005156",
    "name": "Hypoplastic left atrium",
    "definition": "Underdeveloped, small left heart atrium",
    "synonyms": [
      "Left atrium hypoplasia",
      "Underdeveloped left heart atrium"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-cardiovascular-system",
        "name": "Abnormality of the cardiovascular system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-cardiovascular-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-left-atrium-morphology",
        "name": "Abnormal left atrium morphology",
        "url": "https://dantelabs.com/traits/abnormal-left-atrium-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "rarb",
        "symbol": "RARB",
        "hgnc": "HGNC:9865",
        "name": "retinoic acid receptor beta",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rarb"
      },
      {
        "slug": "stra6",
        "symbol": "STRA6",
        "hgnc": "HGNC:30650",
        "name": "signaling receptor and transporter of retinol STRA6",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/stra6"
      }
    ]
  }
}