{
  "url": "https://dantelabs.com/traits/genu-varum",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "genu-varum",
    "id": "HP:0002970",
    "name": "Outward bow-leggedness",
    "label": "Genu varum",
    "definition": "A positional abnormality marked by outward bowing of the legs in which the knees stay wide apart when a person stands with the feet and ankles together.",
    "synonyms": [
      "Outward bowing at knees",
      "Genu vara",
      "Genua vara"
    ],
    "systems": [
      {
        "slug": "abnormality-of-limbs",
        "name": "Abnormality of limbs",
        "url": "https://dantelabs.com/traits/abnormality-of-limbs"
      },
      {
        "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-knee-morphology",
        "name": "Abnormal knee morphology",
        "url": "https://dantelabs.com/traits/abnormal-knee-morphology"
      },
      {
        "slug": "bowing-of-the-legs",
        "name": "Bowed legs",
        "url": "https://dantelabs.com/traits/bowing-of-the-legs"
      }
    ],
    "narrower": [
      {
        "slug": "wind-swept-deformity-of-the-knees",
        "name": "Wind-swept deformity of the knees",
        "genes": 2,
        "url": "https://dantelabs.com/traits/wind-swept-deformity-of-the-knees"
      }
    ],
    "genes": [
      {
        "slug": "bgn",
        "symbol": "BGN",
        "hgnc": "HGNC:1044",
        "name": "biglycan",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bgn"
      },
      {
        "slug": "cant1",
        "symbol": "CANT1",
        "hgnc": "HGNC:19721",
        "name": "calcium activated nucleotidase 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/cant1"
      },
      {
        "slug": "col2a1",
        "symbol": "COL2A1",
        "hgnc": "HGNC:2200",
        "name": "collagen type II alpha 1 chain",
        "frequency": "obligate",
        "diseases": 4,
        "url": "https://dantelabs.com/genes/col2a1"
      },
      {
        "slug": "dym",
        "symbol": "DYM",
        "hgnc": "HGNC:21317",
        "name": "dymeclin",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/dym"
      },
      {
        "slug": "mmp9",
        "symbol": "MMP9",
        "hgnc": "HGNC:7176",
        "name": "matrix metallopeptidase 9",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mmp9"
      },
      {
        "slug": "rpl13",
        "symbol": "RPL13",
        "hgnc": "HGNC:10303",
        "name": "ribosomal protein L13",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl13"
      },
      {
        "slug": "srsf1",
        "symbol": "SRSF1",
        "hgnc": "HGNC:10780",
        "name": "serine and arginine rich splicing factor 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/srsf1"
      },
      {
        "slug": "comp",
        "symbol": "COMP",
        "hgnc": "HGNC:2227",
        "name": "cartilage oligomeric matrix protein",
        "frequency": "very-frequent",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/comp"
      },
      {
        "slug": "cyp27b1",
        "symbol": "CYP27B1",
        "hgnc": "HGNC:2606",
        "name": "cytochrome P450 family 27 subfamily B member 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cyp27b1"
      },
      {
        "slug": "cyp2r1",
        "symbol": "CYP2R1",
        "hgnc": "HGNC:20580",
        "name": "cytochrome P450 family 2 subfamily R member 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cyp2r1"
      },
      {
        "slug": "dmp1",
        "symbol": "DMP1",
        "hgnc": "HGNC:2932",
        "name": "dentin matrix acidic phosphoprotein 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dmp1"
      },
      {
        "slug": "enpp1",
        "symbol": "ENPP1",
        "hgnc": "HGNC:3356",
        "name": "ectonucleotide pyrophosphatase/phosphodiesterase 1",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/enpp1"
      },
      {
        "slug": "mmp13",
        "symbol": "MMP13",
        "hgnc": "HGNC:7159",
        "name": "matrix metallopeptidase 13",
        "frequency": "very-frequent",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/mmp13"
      },
      {
        "slug": "shox",
        "symbol": "SHOX",
        "hgnc": "HGNC:10853",
        "name": "SHOX homeobox",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/shox"
      },
      {
        "slug": "tctn3",
        "symbol": "TCTN3",
        "hgnc": "HGNC:24519",
        "name": "tectonic family member 3",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tctn3"
      },
      {
        "slug": "col10a1",
        "symbol": "COL10A1",
        "hgnc": "HGNC:2185",
        "name": "collagen type X alpha 1 chain",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/col10a1"
      },
      {
        "slug": "efl1",
        "symbol": "EFL1",
        "hgnc": "HGNC:25789",
        "name": "elongation factor like GTPase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/efl1"
      },
      {
        "slug": "fgfr3",
        "symbol": "FGFR3",
        "hgnc": "HGNC:3690",
        "name": "fibroblast growth factor receptor 3",
        "frequency": "frequent",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/fgfr3"
      },
      {
        "slug": "fn1",
        "symbol": "FN1",
        "hgnc": "HGNC:3778",
        "name": "fibronectin 1",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/fn1"
      },
      {
        "slug": "ihh",
        "symbol": "IHH",
        "hgnc": "HGNC:5956",
        "name": "Indian hedgehog signaling molecule",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ihh"
      },
      {
        "slug": "kif22",
        "symbol": "KIF22",
        "hgnc": "HGNC:6391",
        "name": "kinesin family member 22",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/kif22"
      },
      {
        "slug": "ltbp1",
        "symbol": "LTBP1",
        "hgnc": "HGNC:6714",
        "name": "latent transforming growth factor beta binding protein 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ltbp1"
      },
      {
        "slug": "matn3",
        "symbol": "MATN3",
        "hgnc": "HGNC:6909",
        "name": "matrilin 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/matn3"
      },
      {
        "slug": "pde4d",
        "symbol": "PDE4D",
        "hgnc": "HGNC:8783",
        "name": "phosphodiesterase 4D",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pde4d"
      },
      {
        "slug": "phex",
        "symbol": "PHEX",
        "hgnc": "HGNC:8918",
        "name": "phosphate regulating endopeptidase X-linked",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/phex"
      },
      {
        "slug": "polr3a",
        "symbol": "POLR3A",
        "hgnc": "HGNC:30074",
        "name": "RNA polymerase III subunit A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/polr3a"
      },
      {
        "slug": "prkar1a",
        "symbol": "PRKAR1A",
        "hgnc": "HGNC:9388",
        "name": "protein kinase cAMP-dependent type I regulatory subunit alpha",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prkar1a"
      },
      {
        "slug": "prkg2",
        "symbol": "PRKG2",
        "hgnc": "HGNC:9416",
        "name": "protein kinase cGMP-dependent 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prkg2"
      },
      {
        "slug": "rbm8a",
        "symbol": "RBM8A",
        "hgnc": "HGNC:9905",
        "name": "RNA binding motif protein 8A",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/rbm8a"
      },
      {
        "slug": "rmrp",
        "symbol": "RMRP",
        "hgnc": "HGNC:10031",
        "name": "RNA component of mitochondrial RNA processing endoribonuclease",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rmrp"
      },
      {
        "slug": "trpv4",
        "symbol": "TRPV4",
        "hgnc": "HGNC:18083",
        "name": "transient receptor potential cation channel subfamily V member 4",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trpv4"
      },
      {
        "slug": "vdr",
        "symbol": "VDR",
        "hgnc": "HGNC:12679",
        "name": "vitamin D receptor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/vdr"
      },
      {
        "slug": "acta1",
        "symbol": "ACTA1",
        "hgnc": "HGNC:129",
        "name": "actin alpha 1, skeletal muscle",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/acta1"
      },
      {
        "slug": "ccn2",
        "symbol": "CCN2",
        "hgnc": "HGNC:2500",
        "name": "cellular communication network factor 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ccn2"
      },
      {
        "slug": "ccn6",
        "symbol": "CCN6",
        "hgnc": "HGNC:12771",
        "name": "cellular communication network factor 6",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ccn6"
      },
      {
        "slug": "cfl2",
        "symbol": "CFL2",
        "hgnc": "HGNC:1875",
        "name": "cofilin 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cfl2"
      },
      {
        "slug": "col9a1",
        "symbol": "COL9A1",
        "hgnc": "HGNC:2217",
        "name": "collagen type IX alpha 1 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col9a1"
      },
      {
        "slug": "col9a2",
        "symbol": "COL9A2",
        "hgnc": "HGNC:2218",
        "name": "collagen type IX alpha 2 chain",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/col9a2"
      },
      {
        "slug": "col9a3",
        "symbol": "COL9A3",
        "hgnc": "HGNC:2219",
        "name": "collagen type IX alpha 3 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col9a3"
      },
      {
        "slug": "ddrgk1",
        "symbol": "DDRGK1",
        "hgnc": "HGNC:16110",
        "name": "DDRGK domain containing 1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ddrgk1"
      },
      {
        "slug": "hpgd",
        "symbol": "HPGD",
        "hgnc": "HGNC:5154",
        "name": "15-hydroxyprostaglandin dehydrogenase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hpgd"
      },
      {
        "slug": "idh1",
        "symbol": "IDH1",
        "hgnc": "HGNC:5382",
        "name": "isocitrate dehydrogenase (NADP(+)) 1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/idh1"
      },
      {
        "slug": "idh2",
        "symbol": "IDH2",
        "hgnc": "HGNC:5383",
        "name": "isocitrate dehydrogenase (NADP(+)) 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/idh2"
      },
      {
        "slug": "kat6a",
        "symbol": "KAT6A",
        "hgnc": "HGNC:13013",
        "name": "lysine acetyltransferase 6A",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kat6a"
      },
      {
        "slug": "klhl41",
        "symbol": "KLHL41",
        "hgnc": "HGNC:16905",
        "name": "kelch like family member 41",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/klhl41"
      },
      {
        "slug": "lmod3",
        "symbol": "LMOD3",
        "hgnc": "HGNC:6649",
        "name": "leiomodin 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lmod3"
      },
      {
        "slug": "neb",
        "symbol": "NEB",
        "hgnc": "HGNC:7720",
        "name": "nebulin",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/neb"
      },
      {
        "slug": "polrmt",
        "symbol": "POLRMT",
        "hgnc": "HGNC:9200",
        "name": "RNA polymerase mitochondrial",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/polrmt"
      },
      {
        "slug": "pth1r",
        "symbol": "PTH1R",
        "hgnc": "HGNC:9608",
        "name": "parathyroid hormone 1 receptor",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pth1r"
      },
      {
        "slug": "recql4",
        "symbol": "RECQL4",
        "hgnc": "HGNC:9949",
        "name": "RecQ like helicase 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/recql4"
      },
      {
        "slug": "slco2a1",
        "symbol": "SLCO2A1",
        "hgnc": "HGNC:10955",
        "name": "solute carrier organic anion transporter family member 2A1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slco2a1"
      },
      {
        "slug": "tpm2",
        "symbol": "TPM2",
        "hgnc": "HGNC:12011",
        "name": "tropomyosin 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tpm2"
      },
      {
        "slug": "tti1",
        "symbol": "TTI1",
        "hgnc": "HGNC:29029",
        "name": "TELO2 interacting protein 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tti1"
      },
      {
        "slug": "wdr62",
        "symbol": "WDR62",
        "hgnc": "HGNC:24502",
        "name": "WD repeat domain 62",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/wdr62"
      },
      {
        "slug": "anapc1",
        "symbol": "ANAPC1",
        "hgnc": "HGNC:19988",
        "name": "anaphase promoting complex subunit 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/anapc1"
      },
      {
        "slug": "acan",
        "symbol": "ACAN",
        "hgnc": "HGNC:319",
        "name": "aggrecan",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/acan"
      },
      {
        "slug": "cyp3a4",
        "symbol": "CYP3A4",
        "hgnc": "HGNC:2637",
        "name": "cytochrome P450 family 3 subfamily A member 4",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cyp3a4"
      },
      {
        "slug": "nkx3-2",
        "symbol": "NKX3-2",
        "hgnc": "HGNC:951",
        "name": "NK3 homeobox 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nkx3-2"
      },
      {
        "slug": "orc1",
        "symbol": "ORC1",
        "hgnc": "HGNC:8487",
        "name": "origin recognition complex subunit 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/orc1"
      },
      {
        "slug": "orc6",
        "symbol": "ORC6",
        "hgnc": "HGNC:17151",
        "name": "origin recognition complex subunit 6",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/orc6"
      },
      {
        "slug": "rab23",
        "symbol": "RAB23",
        "hgnc": "HGNC:14263",
        "name": "RAB23, member RAS oncogene family",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rab23"
      },
      {
        "slug": "tonsl",
        "symbol": "TONSL",
        "hgnc": "HGNC:7801",
        "name": "tonsoku like, DNA repair protein",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tonsl"
      },
      {
        "slug": "trip11",
        "symbol": "TRIP11",
        "hgnc": "HGNC:12305",
        "name": "thyroid hormone receptor interactor 11",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trip11"
      },
      {
        "slug": "ufsp2",
        "symbol": "UFSP2",
        "hgnc": "HGNC:25640",
        "name": "UFM1 specific peptidase 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ufsp2"
      },
      {
        "slug": "xylt1",
        "symbol": "XYLT1",
        "hgnc": "HGNC:15516",
        "name": "xylosyltransferase 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/xylt1"
      }
    ]
  }
}