{
  "url": "https://dantelabs.com/traits/bifid-ribs",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "bifid-ribs",
    "id": "HP:0000892",
    "name": "Cleft ribs",
    "label": "Bifid ribs",
    "definition": "A bifid rib refers to cleavage of the sternal end of a rib, usually unilateral. Bifid ribs are usually asymptomatic, and are often discovered incidentally by chest x-ray.",
    "synonyms": [
      "Split ribs"
    ],
    "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": "abnormal-rib-morphology",
        "name": "Abnormality of the ribs",
        "url": "https://dantelabs.com/traits/abnormal-rib-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "dmrt2",
        "symbol": "DMRT2",
        "hgnc": "HGNC:2935",
        "name": "doublesex and mab-3 related transcription factor 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dmrt2"
      },
      {
        "slug": "tmco1",
        "symbol": "TMCO1",
        "hgnc": "HGNC:18188",
        "name": "transmembrane and coiled-coil domains 1",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/tmco1"
      },
      {
        "slug": "ptch1",
        "symbol": "PTCH1",
        "hgnc": "HGNC:9585",
        "name": "patched 1",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ptch1"
      },
      {
        "slug": "ptch2",
        "symbol": "PTCH2",
        "hgnc": "HGNC:9586",
        "name": "patched 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ptch2"
      },
      {
        "slug": "sufu",
        "symbol": "SUFU",
        "hgnc": "HGNC:16466",
        "name": "SUFU negative regulator of hedgehog signaling",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sufu"
      },
      {
        "slug": "casz1",
        "symbol": "CASZ1",
        "hgnc": "HGNC:26002",
        "name": "castor zinc finger 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/casz1"
      },
      {
        "slug": "gabrd",
        "symbol": "GABRD",
        "hgnc": "HGNC:4084",
        "name": "gamma-aminobutyric acid type A receptor subunit delta",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gabrd"
      },
      {
        "slug": "hspg2",
        "symbol": "HSPG2",
        "hgnc": "HGNC:5273",
        "name": "heparan sulfate proteoglycan 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hspg2"
      },
      {
        "slug": "kcnab2",
        "symbol": "KCNAB2",
        "hgnc": "HGNC:6229",
        "name": "potassium voltage-gated channel subfamily A regulatory beta subunit 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnab2"
      },
      {
        "slug": "luzp1",
        "symbol": "LUZP1",
        "hgnc": "HGNC:14985",
        "name": "leucine zipper protein 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/luzp1"
      },
      {
        "slug": "mmp23b",
        "symbol": "MMP23B",
        "hgnc": "HGNC:7171",
        "name": "matrix metallopeptidase 23B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mmp23b"
      },
      {
        "slug": "pdpn",
        "symbol": "PDPN",
        "hgnc": "HGNC:29602",
        "name": "podoplanin",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pdpn"
      },
      {
        "slug": "prdm16",
        "symbol": "PRDM16",
        "hgnc": "HGNC:14000",
        "name": "PR/SET domain 16",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prdm16"
      },
      {
        "slug": "prkcz",
        "symbol": "PRKCZ",
        "hgnc": "HGNC:9412",
        "name": "protein kinase C zeta",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prkcz"
      },
      {
        "slug": "rere",
        "symbol": "RERE",
        "hgnc": "HGNC:9965",
        "name": "arginine-glutamic acid dipeptide repeats",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rere"
      },
      {
        "slug": "ski",
        "symbol": "SKI",
        "hgnc": "HGNC:10896",
        "name": "SKI proto-oncogene",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ski"
      },
      {
        "slug": "spen",
        "symbol": "SPEN",
        "hgnc": "HGNC:17575",
        "name": "spen family transcriptional repressor",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/spen"
      },
      {
        "slug": "ube4b",
        "symbol": "UBE4B",
        "hgnc": "HGNC:12500",
        "name": "ubiquitination factor E4B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ube4b"
      }
    ]
  }
}