{
  "url": "https://dantelabs.com/traits/spondylolisthesis",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "spondylolisthesis",
    "id": "HP:0003302",
    "name": "Displacement of one backbone compared to another",
    "label": "Spondylolisthesis",
    "definition": "Complete bilateral fractures of the pars interarticularis resulting in the anterior slippage of the vertebra.",
    "synonyms": [
      "Slipped backbone",
      "Spondylolithesis"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-the-vertebral-column",
        "name": "Abnormality of the vertebral column",
        "url": "https://dantelabs.com/traits/abnormality-of-the-vertebral-column"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "gnptab",
        "symbol": "GNPTAB",
        "hgnc": "HGNC:29670",
        "name": "N-acetylglucosamine-1-phosphate transferase subunits alpha and beta",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gnptab"
      },
      {
        "slug": "pabpn1",
        "symbol": "PABPN1",
        "hgnc": "HGNC:8565",
        "name": "poly(A) binding protein nuclear 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pabpn1"
      },
      {
        "slug": "bmp2",
        "symbol": "BMP2",
        "hgnc": "HGNC:1069",
        "name": "bone morphogenetic protein 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bmp2"
      },
      {
        "slug": "smad3",
        "symbol": "SMAD3",
        "hgnc": "HGNC:6769",
        "name": "SMAD family member 3",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/smad3"
      },
      {
        "slug": "tgfbr1",
        "symbol": "TGFBR1",
        "hgnc": "HGNC:11772",
        "name": "transforming growth factor beta receptor 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tgfbr1"
      },
      {
        "slug": "col2a1",
        "symbol": "COL2A1",
        "hgnc": "HGNC:2200",
        "name": "collagen type II alpha 1 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col2a1"
      },
      {
        "slug": "ctsk",
        "symbol": "CTSK",
        "hgnc": "HGNC:2536",
        "name": "cathepsin K",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ctsk"
      },
      {
        "slug": "kansl1",
        "symbol": "KANSL1",
        "hgnc": "HGNC:24565",
        "name": "KAT8 regulatory NSL complex subunit 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kansl1"
      },
      {
        "slug": "lmx1b",
        "symbol": "LMX1B",
        "hgnc": "HGNC:6654",
        "name": "LIM homeobox transcription factor 1 beta",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lmx1b"
      },
      {
        "slug": "myh3",
        "symbol": "MYH3",
        "hgnc": "HGNC:7573",
        "name": "myosin heavy chain 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/myh3"
      },
      {
        "slug": "tgfb2",
        "symbol": "TGFB2",
        "hgnc": "HGNC:11768",
        "name": "transforming growth factor beta 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tgfb2"
      },
      {
        "slug": "zfx",
        "symbol": "ZFX",
        "hgnc": "HGNC:12869",
        "name": "zinc finger protein X-linked",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zfx"
      },
      {
        "slug": "tgfb3",
        "symbol": "TGFB3",
        "hgnc": "HGNC:11769",
        "name": "transforming growth factor beta 3",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tgfb3"
      },
      {
        "slug": "aga",
        "symbol": "AGA",
        "hgnc": "HGNC:318",
        "name": "aspartylglucosaminidase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/aga"
      },
      {
        "slug": "fbn1",
        "symbol": "FBN1",
        "hgnc": "HGNC:3603",
        "name": "fibrillin 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fbn1"
      },
      {
        "slug": "idua",
        "symbol": "IDUA",
        "hgnc": "HGNC:5391",
        "name": "alpha-L-iduronidase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/idua"
      },
      {
        "slug": "man2b1",
        "symbol": "MAN2B1",
        "hgnc": "HGNC:6826",
        "name": "mannosidase alpha class 2B member 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/man2b1"
      },
      {
        "slug": "runx2",
        "symbol": "RUNX2",
        "hgnc": "HGNC:10472",
        "name": "RUNX family transcription factor 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/runx2"
      },
      {
        "slug": "tgfbr2",
        "symbol": "TGFBR2",
        "hgnc": "HGNC:11773",
        "name": "transforming growth factor beta receptor 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tgfbr2"
      },
      {
        "slug": "znf469",
        "symbol": "ZNF469",
        "hgnc": "HGNC:23216",
        "name": "zinc finger protein 469",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/znf469"
      }
    ]
  }
}