{
  "url": "https://dantelabs.com/traits/bilateral-cryptorchidism",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "bilateral-cryptorchidism",
    "id": "HP:0008689",
    "name": "Bilateral cryptorchidism",
    "definition": "Absence of both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.",
    "synonyms": [
      "Cryptorchidism, bilateral"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      }
    ],
    "broader": [
      {
        "slug": "cryptorchidism",
        "name": "Undescended testes",
        "url": "https://dantelabs.com/traits/cryptorchidism"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "alx4",
        "symbol": "ALX4",
        "hgnc": "HGNC:450",
        "name": "ALX homeobox 4",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/alx4"
      },
      {
        "slug": "amh",
        "symbol": "AMH",
        "hgnc": "HGNC:464",
        "name": "anti-Mullerian hormone",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/amh"
      },
      {
        "slug": "amhr2",
        "symbol": "AMHR2",
        "hgnc": "HGNC:465",
        "name": "anti-Mullerian hormone receptor type 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/amhr2"
      },
      {
        "slug": "ash1l",
        "symbol": "ASH1L",
        "hgnc": "HGNC:19088",
        "name": "ASH1 like histone lysine methyltransferase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ash1l"
      },
      {
        "slug": "cdh11",
        "symbol": "CDH11",
        "hgnc": "HGNC:1750",
        "name": "cadherin 11",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cdh11"
      },
      {
        "slug": "crebbp",
        "symbol": "CREBBP",
        "hgnc": "HGNC:2348",
        "name": "CREB binding lysine acetyltransferase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/crebbp"
      },
      {
        "slug": "dhrs3",
        "symbol": "DHRS3",
        "hgnc": "HGNC:17693",
        "name": "dehydrogenase/reductase 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dhrs3"
      },
      {
        "slug": "ep300",
        "symbol": "EP300",
        "hgnc": "HGNC:3373",
        "name": "EP300 lysine acetyltransferase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ep300"
      },
      {
        "slug": "ercc6",
        "symbol": "ERCC6",
        "hgnc": "HGNC:3438",
        "name": "ERCC excision repair 6, chromatin remodeling factor",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ercc6"
      },
      {
        "slug": "fgd1",
        "symbol": "FGD1",
        "hgnc": "HGNC:3663",
        "name": "FYVE, RhoGEF and PH domain containing 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgd1"
      },
      {
        "slug": "gtf2h5",
        "symbol": "GTF2H5",
        "hgnc": "HGNC:21157",
        "name": "general transcription factor IIH subunit 5",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gtf2h5"
      },
      {
        "slug": "hyal2",
        "symbol": "HYAL2",
        "hgnc": "HGNC:5321",
        "name": "hyaluronidase 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hyal2"
      },
      {
        "slug": "kcnk3",
        "symbol": "KCNK3",
        "hgnc": "HGNC:6278",
        "name": "potassium two pore domain channel subfamily K member 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnk3"
      },
      {
        "slug": "kdm2b",
        "symbol": "KDM2B",
        "hgnc": "HGNC:13610",
        "name": "lysine demethylase 2B",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kdm2b"
      },
      {
        "slug": "klhl15",
        "symbol": "KLHL15",
        "hgnc": "HGNC:29347",
        "name": "kelch like family member 15",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/klhl15"
      },
      {
        "slug": "mcm5",
        "symbol": "MCM5",
        "hgnc": "HGNC:6948",
        "name": "minichromosome maintenance complex component 5",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mcm5"
      },
      {
        "slug": "mrap",
        "symbol": "MRAP",
        "hgnc": "HGNC:1304",
        "name": "melanocortin 2 receptor accessory protein",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mrap"
      },
      {
        "slug": "paics",
        "symbol": "PAICS",
        "hgnc": "HGNC:8587",
        "name": "phosphoribosylaminoimidazole carboxylase and phosphoribosylaminoimidazolesuccinocarboxamide synthase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/paics"
      },
      {
        "slug": "pole",
        "symbol": "POLE",
        "hgnc": "HGNC:9177",
        "name": "DNA polymerase epsilon, catalytic subunit",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pole"
      },
      {
        "slug": "polr1a",
        "symbol": "POLR1A",
        "hgnc": "HGNC:17264",
        "name": "RNA polymerase I subunit A",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/polr1a"
      },
      {
        "slug": "ryr1",
        "symbol": "RYR1",
        "hgnc": "HGNC:10483",
        "name": "ryanodine receptor 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ryr1"
      },
      {
        "slug": "smarcal1",
        "symbol": "SMARCAL1",
        "hgnc": "HGNC:11102",
        "name": "SNF2 related chromatin remodeling annealing helicase 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smarcal1"
      },
      {
        "slug": "tm2d3",
        "symbol": "TM2D3",
        "hgnc": "HGNC:24128",
        "name": "TM2 domain containing 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tm2d3"
      },
      {
        "slug": "top2b",
        "symbol": "TOP2B",
        "hgnc": "HGNC:11990",
        "name": "DNA topoisomerase II beta",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/top2b"
      },
      {
        "slug": "twist1",
        "symbol": "TWIST1",
        "hgnc": "HGNC:12428",
        "name": "twist family bHLH transcription factor 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/twist1"
      },
      {
        "slug": "wdr37",
        "symbol": "WDR37",
        "hgnc": "HGNC:31406",
        "name": "WD repeat domain 37",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/wdr37"
      },
      {
        "slug": "ar",
        "symbol": "AR",
        "hgnc": "HGNC:644",
        "name": "androgen receptor",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ar"
      },
      {
        "slug": "atp6v1a",
        "symbol": "ATP6V1A",
        "hgnc": "HGNC:851",
        "name": "ATPase H+ transporting V1 subunit A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp6v1a"
      },
      {
        "slug": "c2cd3",
        "symbol": "C2CD3",
        "hgnc": "HGNC:24564",
        "name": "C2 domain containing 3 centriole elongation regulator",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/c2cd3"
      },
      {
        "slug": "colec10",
        "symbol": "COLEC10",
        "hgnc": "HGNC:2220",
        "name": "collectin subfamily member 10",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/colec10"
      },
      {
        "slug": "colec11",
        "symbol": "COLEC11",
        "hgnc": "HGNC:17213",
        "name": "collectin subfamily member 11",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/colec11"
      },
      {
        "slug": "cplane1",
        "symbol": "CPLANE1",
        "hgnc": "HGNC:25801",
        "name": "ciliogenesis and planar polarity effector complex subunit 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cplane1"
      },
      {
        "slug": "cyp17a1",
        "symbol": "CYP17A1",
        "hgnc": "HGNC:2593",
        "name": "cytochrome P450 family 17 subfamily A member 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cyp17a1"
      },
      {
        "slug": "fam149b1",
        "symbol": "FAM149B1",
        "hgnc": "HGNC:29162",
        "name": "family with sequence similarity 149 member B1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fam149b1"
      },
      {
        "slug": "fdft1",
        "symbol": "FDFT1",
        "hgnc": "HGNC:3629",
        "name": "farnesyl-diphosphate farnesyltransferase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fdft1"
      },
      {
        "slug": "ift172",
        "symbol": "IFT172",
        "hgnc": "HGNC:30391",
        "name": "intraflagellar transport 172",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ift172"
      },
      {
        "slug": "igbp1",
        "symbol": "IGBP1",
        "hgnc": "HGNC:5461",
        "name": "immunoglobulin binding protein 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/igbp1"
      },
      {
        "slug": "kat6a",
        "symbol": "KAT6A",
        "hgnc": "HGNC:13013",
        "name": "lysine acetyltransferase 6A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kat6a"
      },
      {
        "slug": "kiaa0753",
        "symbol": "KIAA0753",
        "hgnc": "HGNC:29110",
        "name": "KIAA0753",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kiaa0753"
      },
      {
        "slug": "kif7",
        "symbol": "KIF7",
        "hgnc": "HGNC:30497",
        "name": "kinesin family member 7",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kif7"
      },
      {
        "slug": "masp1",
        "symbol": "MASP1",
        "hgnc": "HGNC:6901",
        "name": "MBL associated serine protease 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/masp1"
      },
      {
        "slug": "megf8",
        "symbol": "MEGF8",
        "hgnc": "HGNC:3233",
        "name": "multiple EGF like domains 8",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/megf8"
      },
      {
        "slug": "nfix",
        "symbol": "NFIX",
        "hgnc": "HGNC:7788",
        "name": "nuclear factor I X",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nfix"
      },
      {
        "slug": "notch3",
        "symbol": "NOTCH3",
        "hgnc": "HGNC:7883",
        "name": "notch receptor 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/notch3"
      },
      {
        "slug": "odc1",
        "symbol": "ODC1",
        "hgnc": "HGNC:8109",
        "name": "ornithine decarboxylase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/odc1"
      },
      {
        "slug": "ofd1",
        "symbol": "OFD1",
        "hgnc": "HGNC:2567",
        "name": "OFD1 centriole and centriolar satellite protein",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ofd1"
      },
      {
        "slug": "pde6d",
        "symbol": "PDE6D",
        "hgnc": "HGNC:8788",
        "name": "phosphodiesterase 6D",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pde6d"
      },
      {
        "slug": "rpl10",
        "symbol": "RPL10",
        "hgnc": "HGNC:10298",
        "name": "ribosomal protein L10",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl10"
      },
      {
        "slug": "sry",
        "symbol": "SRY",
        "hgnc": "HGNC:11311",
        "name": "sex determining region Y",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sry"
      },
      {
        "slug": "tctn3",
        "symbol": "TCTN3",
        "hgnc": "HGNC:24519",
        "name": "tectonic family member 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tctn3"
      },
      {
        "slug": "tmem216",
        "symbol": "TMEM216",
        "hgnc": "HGNC:25018",
        "name": "transmembrane protein 216",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tmem216"
      },
      {
        "slug": "tmem231",
        "symbol": "TMEM231",
        "hgnc": "HGNC:37234",
        "name": "transmembrane protein 231",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tmem231"
      },
      {
        "slug": "topors",
        "symbol": "TOPORS",
        "hgnc": "HGNC:21653",
        "name": "TOP1 binding arginine/serine rich protein, E3 ubiquitin ligase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/topors"
      },
      {
        "slug": "vps50",
        "symbol": "VPS50",
        "hgnc": "HGNC:25956",
        "name": "VPS50 subunit of EARP/GARPII complex",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/vps50"
      },
      {
        "slug": "zbtb20",
        "symbol": "ZBTB20",
        "hgnc": "HGNC:13503",
        "name": "zinc finger and BTB domain containing 20",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/zbtb20"
      },
      {
        "slug": "zrsr2",
        "symbol": "ZRSR2",
        "hgnc": "HGNC:23019",
        "name": "zinc finger CCCH-type, RNA binding motif and serine/arginine rich 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zrsr2"
      },
      {
        "slug": "dnajc19",
        "symbol": "DNAJC19",
        "hgnc": "HGNC:30528",
        "name": "DnaJ heat shock protein family (Hsp40) member C19",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dnajc19"
      },
      {
        "slug": "fars2",
        "symbol": "FARS2",
        "hgnc": "HGNC:21062",
        "name": "phenylalanyl-tRNA synthetase 2, mitochondrial",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fars2"
      },
      {
        "slug": "lss",
        "symbol": "LSS",
        "hgnc": "HGNC:6708",
        "name": "lanosterol synthase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lss"
      },
      {
        "slug": "nono",
        "symbol": "NONO",
        "hgnc": "HGNC:7871",
        "name": "non-POU domain containing octamer binding",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nono"
      },
      {
        "slug": "ripk4",
        "symbol": "RIPK4",
        "hgnc": "HGNC:496",
        "name": "receptor interacting serine/threonine kinase 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ripk4"
      },
      {
        "slug": "atp6v1e1",
        "symbol": "ATP6V1E1",
        "hgnc": "HGNC:857",
        "name": "ATPase H+ transporting V1 subunit E1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp6v1e1"
      }
    ]
  }
}