{
  "url": "https://dantelabs.com/traits/progressive-language-deterioration",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "progressive-language-deterioration",
    "id": "HP:0007064",
    "name": "Progressive language deterioration",
    "definition": "Progressive loss of previously present language abilities.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "progressive-neurologic-deterioration",
        "name": "Worsening neurological symptoms",
        "url": "https://dantelabs.com/traits/progressive-neurologic-deterioration"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "mecp2",
        "symbol": "MECP2",
        "hgnc": "HGNC:6990",
        "name": "methyl-CpG binding protein 2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mecp2"
      },
      {
        "slug": "cntnap2",
        "symbol": "CNTNAP2",
        "hgnc": "HGNC:13830",
        "name": "contactin associated protein 2",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/cntnap2"
      },
      {
        "slug": "grn",
        "symbol": "GRN",
        "hgnc": "HGNC:4601",
        "name": "granulin precursor",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/grn"
      }
    ]
  }
}