{
  "url": "https://dantelabs.com/traits/multiple-long-bone-exostoses",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "multiple-long-bone-exostoses",
    "id": "HP:0005039",
    "name": "Multiple long-bone exostoses",
    "definition": "Multiple exostoses originating in long bones.",
    "synonyms": [
      "Multiple exostoses of long tubular bones"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      },
      {
        "slug": "neoplasm",
        "name": "Abnormal tissue mass",
        "url": "https://dantelabs.com/traits/neoplasm"
      }
    ],
    "broader": [
      {
        "slug": "multiple-exostoses",
        "name": "Multiple exostoses",
        "url": "https://dantelabs.com/traits/multiple-exostoses"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "ext1",
        "symbol": "EXT1",
        "hgnc": "HGNC:3512",
        "name": "exostosin glycosyltransferase 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ext1"
      },
      {
        "slug": "rad21",
        "symbol": "RAD21",
        "hgnc": "HGNC:9811",
        "name": "RAD21 cohesin complex component",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rad21"
      },
      {
        "slug": "trps1",
        "symbol": "TRPS1",
        "hgnc": "HGNC:12340",
        "name": "transcriptional repressor GATA binding 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trps1"
      }
    ]
  }
}