{
  "url": "https://dantelabs.com/traits/porencephalic-cyst",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "porencephalic-cyst",
    "id": "HP:0002132",
    "name": "Cavity within brain",
    "label": "Porencephalic cyst",
    "definition": "A cavity within the cerebral hemisphere, filled with cerebrospinal fluid, that communicates directly with the ventricular system.",
    "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": "abnormal-cerebral-morphology",
        "name": "Abnormal cerebral morphology",
        "url": "https://dantelabs.com/traits/abnormal-cerebral-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "esam",
        "symbol": "ESAM",
        "hgnc": "HGNC:17474",
        "name": "endothelial cell adhesion molecule",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/esam"
      },
      {
        "slug": "adar",
        "symbol": "ADAR",
        "hgnc": "HGNC:225",
        "name": "adenosine deaminase RNA specific",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/adar"
      },
      {
        "slug": "col4a1",
        "symbol": "COL4A1",
        "hgnc": "HGNC:2202",
        "name": "collagen type IV alpha 1 chain",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col4a1"
      },
      {
        "slug": "ifih1",
        "symbol": "IFIH1",
        "hgnc": "HGNC:18873",
        "name": "interferon induced with helicase C domain 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ifih1"
      },
      {
        "slug": "lsm11",
        "symbol": "LSM11",
        "hgnc": "HGNC:30860",
        "name": "LSM11, U7 small nuclear RNA associated",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lsm11"
      },
      {
        "slug": "rnaseh2a",
        "symbol": "RNASEH2A",
        "hgnc": "HGNC:18518",
        "name": "ribonuclease H2 subunit A",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnaseh2a"
      },
      {
        "slug": "rnaseh2b",
        "symbol": "RNASEH2B",
        "hgnc": "HGNC:25671",
        "name": "ribonuclease H2 subunit B",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnaseh2b"
      },
      {
        "slug": "rnaseh2c",
        "symbol": "RNASEH2C",
        "hgnc": "HGNC:24116",
        "name": "ribonuclease H2 subunit C",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnaseh2c"
      },
      {
        "slug": "rnu7-1",
        "symbol": "RNU7-1",
        "hgnc": "HGNC:34033",
        "name": "RNA, U7 small nuclear 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu7-1"
      },
      {
        "slug": "samhd1",
        "symbol": "SAMHD1",
        "hgnc": "HGNC:15925",
        "name": "SAM and HD domain containing deoxynucleoside triphosphate triphosphohydrolase 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/samhd1"
      },
      {
        "slug": "trex1",
        "symbol": "TREX1",
        "hgnc": "HGNC:12269",
        "name": "three prime repair exonuclease 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trex1"
      },
      {
        "slug": "col4a2",
        "symbol": "COL4A2",
        "hgnc": "HGNC:2203",
        "name": "collagen type IV alpha 2 chain",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/col4a2"
      },
      {
        "slug": "colgalt1",
        "symbol": "COLGALT1",
        "hgnc": "HGNC:26182",
        "name": "collagen beta(1-O)galactosyltransferase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/colgalt1"
      },
      {
        "slug": "hras",
        "symbol": "HRAS",
        "hgnc": "HGNC:5173",
        "name": "HRas proto-oncogene, GTPase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hras"
      },
      {
        "slug": "kras",
        "symbol": "KRAS",
        "hgnc": "HGNC:6407",
        "name": "KRas proto-oncogene, GTPase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kras"
      },
      {
        "slug": "nras",
        "symbol": "NRAS",
        "hgnc": "HGNC:7989",
        "name": "NRAS proto-oncogene, GTPase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nras"
      },
      {
        "slug": "plod3",
        "symbol": "PLOD3",
        "hgnc": "HGNC:9083",
        "name": "procollagen-lysine,2-oxoglutarate 5-dioxygenase 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/plod3"
      },
      {
        "slug": "znhit3",
        "symbol": "ZNHIT3",
        "hgnc": "HGNC:12309",
        "name": "zinc finger HIT-type containing 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/znhit3"
      },
      {
        "slug": "arhgap31",
        "symbol": "ARHGAP31",
        "hgnc": "HGNC:29216",
        "name": "Rho GTPase activating protein 31",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/arhgap31"
      },
      {
        "slug": "cplane1",
        "symbol": "CPLANE1",
        "hgnc": "HGNC:25801",
        "name": "ciliogenesis and planar polarity effector complex subunit 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cplane1"
      },
      {
        "slug": "dll4",
        "symbol": "DLL4",
        "hgnc": "HGNC:2910",
        "name": "delta like canonical Notch ligand 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dll4"
      },
      {
        "slug": "dock6",
        "symbol": "DOCK6",
        "hgnc": "HGNC:19189",
        "name": "dedicator of cytokinesis 6",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dock6"
      },
      {
        "slug": "eogt",
        "symbol": "EOGT",
        "hgnc": "HGNC:28526",
        "name": "EGF domain specific O-linked N-acetylglucosamine transferase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/eogt"
      },
      {
        "slug": "nek1",
        "symbol": "NEK1",
        "hgnc": "HGNC:7744",
        "name": "NIMA related kinase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nek1"
      },
      {
        "slug": "notch1",
        "symbol": "NOTCH1",
        "hgnc": "HGNC:7881",
        "name": "notch receptor 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/notch1"
      },
      {
        "slug": "rbpj",
        "symbol": "RBPJ",
        "hgnc": "HGNC:5724",
        "name": "recombination signal binding protein for immunoglobulin kappa J region",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rbpj"
      },
      {
        "slug": "snrpb",
        "symbol": "SNRPB",
        "hgnc": "HGNC:11153",
        "name": "small nuclear ribonucleoprotein polypeptides B and B1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/snrpb"
      },
      {
        "slug": "fgfr1",
        "symbol": "FGFR1",
        "hgnc": "HGNC:3688",
        "name": "fibroblast growth factor receptor 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgfr1"
      },
      {
        "slug": "gpx4",
        "symbol": "GPX4",
        "hgnc": "HGNC:4556",
        "name": "glutathione peroxidase 4",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gpx4"
      },
      {
        "slug": "lamb1",
        "symbol": "LAMB1",
        "hgnc": "HGNC:6486",
        "name": "laminin subunit beta 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lamb1"
      },
      {
        "slug": "ofd1",
        "symbol": "OFD1",
        "hgnc": "HGNC:2567",
        "name": "OFD1 centriole and centriolar satellite protein",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ofd1"
      },
      {
        "slug": "tctn3",
        "symbol": "TCTN3",
        "hgnc": "HGNC:24519",
        "name": "tectonic family member 3",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tctn3"
      }
    ]
  }
}