{
  "url": "https://dantelabs.com/traits/lambdoidal-craniosynostosis",
  "trait": {
    "bundleId": "2026.10.16-c6eea6bf",
    "release": "2026-09-01",
    "slug": "lambdoidal-craniosynostosis",
    "id": "HP:0004443",
    "name": "Lambdoidal craniosynostosis",
    "definition": "A kind of craniosynostosis affecting the lambdoidal suture.",
    "synonyms": [
      "Lambdoid suture craniosynostosis",
      "Lambdoid suture synostosis"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      },
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "craniosynostosis",
        "name": "Deformity of the skull",
        "url": "https://dantelabs.com/traits/craniosynostosis"
      }
    ],
    "narrower": [
      {
        "slug": "unilambdoid-synostosis",
        "name": "Unilambdoid synostosis",
        "genes": 1,
        "url": "https://dantelabs.com/traits/unilambdoid-synostosis"
      }
    ],
    "genes": [
      {
        "slug": "ahdc1",
        "symbol": "AHDC1",
        "hgnc": "HGNC:25230",
        "name": "AT-hook DNA binding motif containing 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ahdc1"
      },
      {
        "slug": "erf",
        "symbol": "ERF",
        "hgnc": "HGNC:3444",
        "name": "ETS2 repressor factor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/erf"
      },
      {
        "slug": "fgfr2",
        "symbol": "FGFR2",
        "hgnc": "HGNC:3689",
        "name": "fibroblast growth factor receptor 2",
        "frequency": "frequent",
        "diseases": 4,
        "url": "https://dantelabs.com/genes/fgfr2"
      },
      {
        "slug": "il11ra",
        "symbol": "IL11RA",
        "hgnc": "HGNC:5967",
        "name": "interleukin 11 receptor subunit alpha",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/il11ra"
      },
      {
        "slug": "pigt",
        "symbol": "PIGT",
        "hgnc": "HGNC:14938",
        "name": "phosphatidylinositol glycan anchor biosynthesis class T",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pigt"
      },
      {
        "slug": "rnu12",
        "symbol": "RNU12",
        "hgnc": "HGNC:19380",
        "name": "RNA, U12 small nuclear",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu12"
      },
      {
        "slug": "hnrnpk",
        "symbol": "HNRNPK",
        "hgnc": "HGNC:5044",
        "name": "heterogeneous nuclear ribonucleoprotein K",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/hnrnpk"
      },
      {
        "slug": "recql4",
        "symbol": "RECQL4",
        "hgnc": "HGNC:9949",
        "name": "RecQ like helicase 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/recql4"
      },
      {
        "slug": "slc4a10",
        "symbol": "SLC4A10",
        "hgnc": "HGNC:13811",
        "name": "solute carrier family 4 member 10",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc4a10"
      },
      {
        "slug": "tcof1",
        "symbol": "TCOF1",
        "hgnc": "HGNC:11654",
        "name": "treacle ribosome biogenesis factor 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tcof1"
      },
      {
        "slug": "zic1",
        "symbol": "ZIC1",
        "hgnc": "HGNC:12872",
        "name": "Zic family zinc finger 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zic1"
      },
      {
        "slug": "bmp4",
        "symbol": "BMP4",
        "hgnc": "HGNC:1071",
        "name": "bone morphogenetic protein 4",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bmp4"
      },
      {
        "slug": "masp1",
        "symbol": "MASP1",
        "hgnc": "HGNC:6901",
        "name": "MBL associated serine protease 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/masp1"
      },
      {
        "slug": "por",
        "symbol": "POR",
        "hgnc": "HGNC:9208",
        "name": "cytochrome p450 oxidoreductase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/por"
      },
      {
        "slug": "rab23",
        "symbol": "RAB23",
        "hgnc": "HGNC:14263",
        "name": "RAB23, member RAS oncogene family",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rab23"
      },
      {
        "slug": "sec24d",
        "symbol": "SEC24D",
        "hgnc": "HGNC:10706",
        "name": "SEC24 homolog D, COPII component",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sec24d"
      },
      {
        "slug": "twist1",
        "symbol": "TWIST1",
        "hgnc": "HGNC:12428",
        "name": "twist family bHLH transcription factor 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/twist1"
      }
    ]
  }
}