{
  "url": "https://dantelabs.com/traits/hyperconvex-fingernails",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "hyperconvex-fingernails",
    "id": "HP:0001812",
    "name": "Hyperconvex fingernails",
    "definition": "When viewed on end (with the finger tip pointing toward the examiner's eye) the curve of the fingernail forms a tighter curve of convexity.",
    "synonyms": [
      "Tubular fingernails"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-integument",
        "name": "Abnormality of the integument",
        "url": "https://dantelabs.com/traits/abnormality-of-the-integument"
      }
    ],
    "broader": [
      {
        "slug": "hyperconvex-nail",
        "name": "Increased nail curvature",
        "url": "https://dantelabs.com/traits/hyperconvex-nail"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "plec",
        "symbol": "PLEC",
        "hgnc": "HGNC:9069",
        "name": "plectin",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/plec"
      },
      {
        "slug": "mbtps2",
        "symbol": "MBTPS2",
        "hgnc": "HGNC:15455",
        "name": "membrane bound transcription factor peptidase, site 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mbtps2"
      },
      {
        "slug": "rps6ka3",
        "symbol": "RPS6KA3",
        "hgnc": "HGNC:10432",
        "name": "ribosomal protein S6 kinase A3",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/rps6ka3"
      },
      {
        "slug": "ptdss1",
        "symbol": "PTDSS1",
        "hgnc": "HGNC:9587",
        "name": "phosphatidylserine synthase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ptdss1"
      },
      {
        "slug": "cplx1",
        "symbol": "CPLX1",
        "hgnc": "HGNC:2309",
        "name": "complexin 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cplx1"
      },
      {
        "slug": "ctbp1",
        "symbol": "CTBP1",
        "hgnc": "HGNC:2494",
        "name": "C-terminal binding protein 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ctbp1"
      },
      {
        "slug": "fgfrl1",
        "symbol": "FGFRL1",
        "hgnc": "HGNC:3693",
        "name": "fibroblast growth factor receptor like 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgfrl1"
      },
      {
        "slug": "letm1",
        "symbol": "LETM1",
        "hgnc": "HGNC:6556",
        "name": "leucine zipper and EF-hand containing transmembrane protein 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/letm1"
      },
      {
        "slug": "nsd2",
        "symbol": "NSD2",
        "hgnc": "HGNC:12766",
        "name": "nuclear receptor binding SET domain protein 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nsd2"
      }
    ]
  }
}