{
  "url": "https://dantelabs.com/traits/expressive-aphasia",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "expressive-aphasia",
    "id": "HP:0002427",
    "name": "Loss of expressive speech",
    "label": "Expressive aphasia",
    "definition": "Impairment of expressive language and relative preservation of receptive language abilities. That is, the patient understands language (speech, writing) but cannot express it.",
    "synonyms": [
      "Non-fluent aphasia",
      "Broca's aphasia",
      "Motor aphasia"
    ],
    "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": "aphasia",
        "name": "Difficulty finding words",
        "url": "https://dantelabs.com/traits/aphasia"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "fa2h",
        "symbol": "FA2H",
        "hgnc": "HGNC:21197",
        "name": "fatty acid 2-hydroxylase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fa2h"
      },
      {
        "slug": "chmp2b",
        "symbol": "CHMP2B",
        "hgnc": "HGNC:24537",
        "name": "charged multivesicular body protein 2B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chmp2b"
      },
      {
        "slug": "depdc5",
        "symbol": "DEPDC5",
        "hgnc": "HGNC:18423",
        "name": "DEP domain containing 5, GATOR1 subcomplex subunit",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/depdc5"
      },
      {
        "slug": "grn",
        "symbol": "GRN",
        "hgnc": "HGNC:4601",
        "name": "granulin precursor",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/grn"
      },
      {
        "slug": "mapt",
        "symbol": "MAPT",
        "hgnc": "HGNC:6893",
        "name": "microtubule associated protein tau",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mapt"
      },
      {
        "slug": "nprl2",
        "symbol": "NPRL2",
        "hgnc": "HGNC:24969",
        "name": "NPR2 like, GATOR1 complex subunit",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nprl2"
      },
      {
        "slug": "nprl3",
        "symbol": "NPRL3",
        "hgnc": "HGNC:14124",
        "name": "NPR3 like, GATOR1 complex subunit",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nprl3"
      },
      {
        "slug": "psen1",
        "symbol": "PSEN1",
        "hgnc": "HGNC:9508",
        "name": "presenilin 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/psen1"
      },
      {
        "slug": "scn3a",
        "symbol": "SCN3A",
        "hgnc": "HGNC:10590",
        "name": "sodium voltage-gated channel alpha subunit 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/scn3a"
      },
      {
        "slug": "tmem106b",
        "symbol": "TMEM106B",
        "hgnc": "HGNC:22407",
        "name": "transmembrane protein 106B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tmem106b"
      },
      {
        "slug": "trem2",
        "symbol": "TREM2",
        "hgnc": "HGNC:17761",
        "name": "triggering receptor expressed on myeloid cells 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trem2"
      },
      {
        "slug": "vcp",
        "symbol": "VCP",
        "hgnc": "HGNC:12666",
        "name": "valosin containing protein",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/vcp"
      },
      {
        "slug": "gjb1",
        "symbol": "GJB1",
        "hgnc": "HGNC:4283",
        "name": "gap junction protein beta 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gjb1"
      }
    ]
  }
}