{
  "url": "https://dantelabs.com/traits/scalp-tenderness",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "scalp-tenderness",
    "id": "HP:0100809",
    "name": "Scalp tenderness",
    "definition": "Pain or discomfort of the scalp elicited by palpation.",
    "synonyms": [
      "Scalp pain",
      "Scalp hypersensitivity"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-scalp-morphology",
        "name": "Abnormality of the scalp",
        "url": "https://dantelabs.com/traits/abnormal-scalp-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "alx4",
        "symbol": "ALX4",
        "hgnc": "HGNC:450",
        "name": "ALX homeobox 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/alx4"
      },
      {
        "slug": "fas",
        "symbol": "FAS",
        "hgnc": "HGNC:11920",
        "name": "Fas cell surface death receptor",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fas"
      },
      {
        "slug": "hla-b",
        "symbol": "HLA-B",
        "hgnc": "HGNC:4932",
        "name": "major histocompatibility complex, class I, B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hla-b"
      },
      {
        "slug": "hla-drb1",
        "symbol": "HLA-DRB1",
        "hgnc": "HGNC:4948",
        "name": "major histocompatibility complex, class II, DR beta 1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/hla-drb1"
      },
      {
        "slug": "msx2",
        "symbol": "MSX2",
        "hgnc": "HGNC:7392",
        "name": "msh homeobox 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/msx2"
      },
      {
        "slug": "p4ha2",
        "symbol": "P4HA2",
        "hgnc": "HGNC:8547",
        "name": "prolyl 4-hydroxylase subunit alpha 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/p4ha2"
      },
      {
        "slug": "ptpn22",
        "symbol": "PTPN22",
        "hgnc": "HGNC:9652",
        "name": "protein tyrosine phosphatase non-receptor type 22",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ptpn22"
      }
    ]
  }
}