{
  "url": "https://dantelabs.com/traits/hemifacial-spasm",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "hemifacial-spasm",
    "id": "HP:0010828",
    "name": "Spasms on one side of the face",
    "label": "Hemifacial spasm",
    "definition": "Intermittent clonic or tonic contraction of muscles supplied by facial nerve. Muscles are relaxed in between contractions.",
    "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": "myoclonic-spasms",
        "name": "Myoclonic spasms",
        "url": "https://dantelabs.com/traits/myoclonic-spasms"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "akt1",
        "symbol": "AKT1",
        "hgnc": "HGNC:391",
        "name": "AKT serine/threonine kinase 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/akt1"
      },
      {
        "slug": "bap1",
        "symbol": "BAP1",
        "hgnc": "HGNC:950",
        "name": "BRCA1 associated deubiquitinase 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bap1"
      },
      {
        "slug": "nf2",
        "symbol": "NF2",
        "hgnc": "HGNC:7773",
        "name": "NF2, moesin-ezrin-radixin like (MERLIN) tumor suppressor",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nf2"
      },
      {
        "slug": "pdgfb",
        "symbol": "PDGFB",
        "hgnc": "HGNC:8800",
        "name": "platelet derived growth factor subunit B",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pdgfb"
      },
      {
        "slug": "pik3ca",
        "symbol": "PIK3CA",
        "hgnc": "HGNC:8975",
        "name": "phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pik3ca"
      },
      {
        "slug": "smarcb1",
        "symbol": "SMARCB1",
        "hgnc": "HGNC:11103",
        "name": "SWI/SNF related BAF chromatin remodeling complex subunit B1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smarcb1"
      },
      {
        "slug": "smarce1",
        "symbol": "SMARCE1",
        "hgnc": "HGNC:11109",
        "name": "SWI/SNF related BAF chromatin remodeling complex subunit E1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smarce1"
      },
      {
        "slug": "smo",
        "symbol": "SMO",
        "hgnc": "HGNC:11119",
        "name": "smoothened, frizzled class receptor",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smo"
      },
      {
        "slug": "sufu",
        "symbol": "SUFU",
        "hgnc": "HGNC:16466",
        "name": "SUFU negative regulator of hedgehog signaling",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sufu"
      },
      {
        "slug": "tert",
        "symbol": "TERT",
        "hgnc": "HGNC:11730",
        "name": "telomerase reverse transcriptase",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tert"
      },
      {
        "slug": "traf7",
        "symbol": "TRAF7",
        "hgnc": "HGNC:20456",
        "name": "TNF receptor associated factor 7",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/traf7"
      },
      {
        "slug": "inpp5e",
        "symbol": "INPP5E",
        "hgnc": "HGNC:21474",
        "name": "inositol polyphosphate-5-phosphatase E",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/inpp5e"
      }
    ]
  }
}