{
  "url": "https://dantelabs.com/traits/enlarged-joints",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "enlarged-joints",
    "id": "HP:0003037",
    "name": "Enlarged joints",
    "definition": "Increase in size of one or more joints.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-joint-morphology",
        "name": "Abnormal shape of joints",
        "url": "https://dantelabs.com/traits/abnormal-joint-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "enlarged-interphalangeal-joints",
        "name": "Enlarged hinge joints",
        "genes": 2,
        "url": "https://dantelabs.com/traits/enlarged-interphalangeal-joints"
      }
    ],
    "genes": [
      {
        "slug": "gnpnat1",
        "symbol": "GNPNAT1",
        "hgnc": "HGNC:19980",
        "name": "glucosamine-phosphate N-acetyltransferase 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gnpnat1"
      },
      {
        "slug": "kif7",
        "symbol": "KIF7",
        "hgnc": "HGNC:30497",
        "name": "kinesin family member 7",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/kif7"
      },
      {
        "slug": "trpv4",
        "symbol": "TRPV4",
        "hgnc": "HGNC:18083",
        "name": "transient receptor potential cation channel subfamily V member 4",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/trpv4"
      },
      {
        "slug": "chst3",
        "symbol": "CHST3",
        "hgnc": "HGNC:1971",
        "name": "carbohydrate sulfotransferase 3",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chst3"
      },
      {
        "slug": "col2a1",
        "symbol": "COL2A1",
        "hgnc": "HGNC:2200",
        "name": "collagen type II alpha 1 chain",
        "frequency": "very-frequent",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/col2a1"
      },
      {
        "slug": "lifr",
        "symbol": "LIFR",
        "hgnc": "HGNC:6597",
        "name": "LIF receptor subunit alpha",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lifr"
      },
      {
        "slug": "smarca2",
        "symbol": "SMARCA2",
        "hgnc": "HGNC:11098",
        "name": "SWI/SNF related BAF chromatin remodeling complex subunit ATPase 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smarca2"
      },
      {
        "slug": "col11a2",
        "symbol": "COL11A2",
        "hgnc": "HGNC:2187",
        "name": "collagen type XI alpha 2 chain",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/col11a2"
      },
      {
        "slug": "matn3",
        "symbol": "MATN3",
        "hgnc": "HGNC:6909",
        "name": "matrilin 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/matn3"
      },
      {
        "slug": "srcap",
        "symbol": "SRCAP",
        "hgnc": "HGNC:16974",
        "name": "Snf2 related CREBBP activator protein",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/srcap"
      }
    ]
  }
}