{
  "url": "https://dantelabs.com/traits/atrichia",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "atrichia",
    "id": "HP:0500262",
    "name": "Atrichia",
    "definition": "The most dramatic and severe form of hair loss characterized by an absence of hair follicles.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-integument",
        "name": "Abnormality of the integument",
        "url": "https://dantelabs.com/traits/abnormality-of-the-integument"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-hair-quantity",
        "name": "Abnormal hair quantity",
        "url": "https://dantelabs.com/traits/abnormal-hair-quantity"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "hoxc13",
        "symbol": "HOXC13",
        "hgnc": "HGNC:5125",
        "name": "homeobox C13",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hoxc13"
      },
      {
        "slug": "mbtps2",
        "symbol": "MBTPS2",
        "hgnc": "HGNC:15455",
        "name": "membrane bound transcription factor peptidase, site 2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mbtps2"
      },
      {
        "slug": "srebf1",
        "symbol": "SREBF1",
        "hgnc": "HGNC:11289",
        "name": "sterol regulatory element binding transcription factor 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/srebf1"
      }
    ]
  }
}