{
  "url": "https://dantelabs.com/traits/miosis",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "miosis",
    "id": "HP:0000616",
    "name": "Constricted pupils",
    "label": "Miosis",
    "definition": "Abnormal (non-physiological) constriction of the pupil.",
    "synonyms": [
      "Pupillary constriction"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-pupillary-function",
        "name": "Abnormal pupillary function",
        "url": "https://dantelabs.com/traits/abnormal-pupillary-function"
      }
    ],
    "narrower": [
      {
        "slug": "horner-syndrome",
        "name": "Horner syndrome",
        "genes": 8,
        "url": "https://dantelabs.com/traits/horner-syndrome"
      }
    ],
    "genes": [
      {
        "slug": "itpr1",
        "symbol": "ITPR1",
        "hgnc": "HGNC:6180",
        "name": "inositol 1,4,5-trisphosphate receptor type 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/itpr1"
      },
      {
        "slug": "orai1",
        "symbol": "ORAI1",
        "hgnc": "HGNC:25896",
        "name": "ORAI calcium release-activated calcium modulator 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/orai1"
      },
      {
        "slug": "rab18",
        "symbol": "RAB18",
        "hgnc": "HGNC:14244",
        "name": "RAB18, member RAS oncogene family",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rab18"
      },
      {
        "slug": "stim1",
        "symbol": "STIM1",
        "hgnc": "HGNC:11386",
        "name": "stromal interaction molecule 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/stim1"
      },
      {
        "slug": "col25a1",
        "symbol": "COL25A1",
        "hgnc": "HGNC:18603",
        "name": "collagen type XXV alpha 1 chain",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col25a1"
      },
      {
        "slug": "ercc6",
        "symbol": "ERCC6",
        "hgnc": "HGNC:3438",
        "name": "ERCC excision repair 6, chromatin remodeling factor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ercc6"
      },
      {
        "slug": "hhat",
        "symbol": "HHAT",
        "hgnc": "HGNC:18270",
        "name": "hedgehog acyltransferase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hhat"
      },
      {
        "slug": "kif21a",
        "symbol": "KIF21A",
        "hgnc": "HGNC:19349",
        "name": "kinesin family member 21A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kif21a"
      },
      {
        "slug": "notch2nlc",
        "symbol": "NOTCH2NLC",
        "hgnc": "HGNC:53924",
        "name": "notch 2 N-terminal like C",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/notch2nlc"
      },
      {
        "slug": "pex7",
        "symbol": "PEX7",
        "hgnc": "HGNC:8860",
        "name": "peroxisomal biogenesis factor 7",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/pex7"
      },
      {
        "slug": "phox2a",
        "symbol": "PHOX2A",
        "hgnc": "HGNC:691",
        "name": "paired like homeobox 2A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/phox2a"
      },
      {
        "slug": "phyh",
        "symbol": "PHYH",
        "hgnc": "HGNC:8940",
        "name": "phytanoyl-CoA 2-hydroxylase",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/phyh"
      },
      {
        "slug": "tuba1a",
        "symbol": "TUBA1A",
        "hgnc": "HGNC:20766",
        "name": "tubulin alpha 1a",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tuba1a"
      },
      {
        "slug": "tubb2b",
        "symbol": "TUBB2B",
        "hgnc": "HGNC:30829",
        "name": "tubulin beta 2B class IIb",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tubb2b"
      },
      {
        "slug": "tubb3",
        "symbol": "TUBB3",
        "hgnc": "HGNC:20772",
        "name": "tubulin beta 3 class III",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tubb3"
      },
      {
        "slug": "ddc",
        "symbol": "DDC",
        "hgnc": "HGNC:2719",
        "name": "dopa decarboxylase",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ddc"
      },
      {
        "slug": "dnmbp",
        "symbol": "DNMBP",
        "hgnc": "HGNC:30373",
        "name": "dynamin binding protein",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dnmbp"
      },
      {
        "slug": "chrdl1",
        "symbol": "CHRDL1",
        "hgnc": "HGNC:29861",
        "name": "chordin like 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chrdl1"
      },
      {
        "slug": "six6",
        "symbol": "SIX6",
        "hgnc": "HGNC:10892",
        "name": "SIX homeobox 6",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/six6"
      }
    ]
  }
}