{
  "url": "https://dantelabs.com/traits/upper-limb-spasticity",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "upper-limb-spasticity",
    "id": "HP:0006986",
    "name": "Uncontrollable movement in upper arms",
    "label": "Upper limb spasticity",
    "synonyms": [
      "Spastic upper extremities",
      "Spastic upper extremity",
      "Spastic upper limb",
      "Spastic upper limbs",
      "Spasticity in upper extremities",
      "Spasticity in upper extremity",
      "Spasticity in upper limb",
      "Spasticity in upper limbs",
      "Spasticity of upper extremities",
      "Spasticity of upper extremity",
      "Spasticity of upper limb",
      "Spasticity of upper limbs",
      "Upper extremities spasticity",
      "Upper extremity spasticity"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      },
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "appendicular-spasticity",
        "name": "Appendicular spasticity",
        "url": "https://dantelabs.com/traits/appendicular-spasticity"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "gba2",
        "symbol": "GBA2",
        "hgnc": "HGNC:18986",
        "name": "glucosylceramidase beta 2",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/gba2"
      },
      {
        "slug": "gjc2",
        "symbol": "GJC2",
        "hgnc": "HGNC:17494",
        "name": "gap junction protein gamma 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gjc2"
      },
      {
        "slug": "gprc5b",
        "symbol": "GPRC5B",
        "hgnc": "HGNC:13308",
        "name": "G protein-coupled receptor class C group 5 member B",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gprc5b"
      },
      {
        "slug": "pgbd5",
        "symbol": "PGBD5",
        "hgnc": "HGNC:19405",
        "name": "piggyBac transposable element derived 5",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pgbd5"
      },
      {
        "slug": "als2",
        "symbol": "ALS2",
        "hgnc": "HGNC:443",
        "name": "alsin Rho guanine nucleotide exchange factor ALS2",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/als2"
      },
      {
        "slug": "atp13a2",
        "symbol": "ATP13A2",
        "hgnc": "HGNC:30213",
        "name": "ATPase cation transporting 13A2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp13a2"
      },
      {
        "slug": "erlin1",
        "symbol": "ERLIN1",
        "hgnc": "HGNC:16947",
        "name": "ER lipid raft associated 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/erlin1"
      },
      {
        "slug": "fus",
        "symbol": "FUS",
        "hgnc": "HGNC:4010",
        "name": "FUS RNA binding protein",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fus"
      },
      {
        "slug": "gne",
        "symbol": "GNE",
        "hgnc": "HGNC:23657",
        "name": "glucosamine (UDP-N-acetyl)-2-epimerase/N-acetylmannosamine kinase",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gne"
      },
      {
        "slug": "sigmar1",
        "symbol": "SIGMAR1",
        "hgnc": "HGNC:8157",
        "name": "sigma receptor chaperone 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sigmar1"
      },
      {
        "slug": "sord",
        "symbol": "SORD",
        "hgnc": "HGNC:11184",
        "name": "sorbitol dehydrogenase",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sord"
      },
      {
        "slug": "spg11",
        "symbol": "SPG11",
        "hgnc": "HGNC:11226",
        "name": "SPG11 vesicle trafficking associated, spatacsin",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/spg11"
      },
      {
        "slug": "sptlc1",
        "symbol": "SPTLC1",
        "hgnc": "HGNC:11277",
        "name": "serine palmitoyltransferase long chain base subunit 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sptlc1"
      },
      {
        "slug": "sptlc2",
        "symbol": "SPTLC2",
        "hgnc": "HGNC:11278",
        "name": "serine palmitoyltransferase long chain base subunit 2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sptlc2"
      },
      {
        "slug": "syne1",
        "symbol": "SYNE1",
        "hgnc": "HGNC:17089",
        "name": "spectrin repeat containing nuclear envelope protein 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/syne1"
      },
      {
        "slug": "tardbp",
        "symbol": "TARDBP",
        "hgnc": "HGNC:11571",
        "name": "TAR DNA binding protein",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tardbp"
      },
      {
        "slug": "tbcd",
        "symbol": "TBCD",
        "hgnc": "HGNC:11581",
        "name": "tubulin folding cofactor D",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbcd"
      },
      {
        "slug": "trmt2b",
        "symbol": "TRMT2B",
        "hgnc": "HGNC:25748",
        "name": "tRNA methyltransferase 2B",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trmt2b"
      },
      {
        "slug": "ubqln2",
        "symbol": "UBQLN2",
        "hgnc": "HGNC:12509",
        "name": "ubiquilin 2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ubqln2"
      },
      {
        "slug": "acbd6",
        "symbol": "ACBD6",
        "hgnc": "HGNC:23339",
        "name": "acyl-CoA binding domain containing 6",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/acbd6"
      },
      {
        "slug": "b4galnt1",
        "symbol": "B4GALNT1",
        "hgnc": "HGNC:4117",
        "name": "beta-1,4-N-acetyl-galactosaminyltransferase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/b4galnt1"
      },
      {
        "slug": "capn1",
        "symbol": "CAPN1",
        "hgnc": "HGNC:1476",
        "name": "calpain 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/capn1"
      },
      {
        "slug": "ddhd2",
        "symbol": "DDHD2",
        "hgnc": "HGNC:29106",
        "name": "DDHD domain containing 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ddhd2"
      },
      {
        "slug": "hepacam",
        "symbol": "HEPACAM",
        "hgnc": "HGNC:26361",
        "name": "hepatic and glial cell adhesion molecule",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hepacam"
      },
      {
        "slug": "rnf170",
        "symbol": "RNF170",
        "hgnc": "HGNC:25358",
        "name": "ring finger protein 170",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnf170"
      },
      {
        "slug": "zfyve26",
        "symbol": "ZFYVE26",
        "hgnc": "HGNC:20761",
        "name": "zinc finger FYVE-type containing 26",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zfyve26"
      },
      {
        "slug": "cyp7b1",
        "symbol": "CYP7B1",
        "hgnc": "HGNC:2652",
        "name": "cytochrome P450 family 7 subfamily B member 1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/cyp7b1"
      },
      {
        "slug": "satb1",
        "symbol": "SATB1",
        "hgnc": "HGNC:10541",
        "name": "SATB homeobox 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/satb1"
      },
      {
        "slug": "selenoi",
        "symbol": "SELENOI",
        "hgnc": "HGNC:29361",
        "name": "selenoprotein I",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/selenoi"
      },
      {
        "slug": "thoc2",
        "symbol": "THOC2",
        "hgnc": "HGNC:19073",
        "name": "THO complex subunit 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/thoc2"
      },
      {
        "slug": "washc5",
        "symbol": "WASHC5",
        "hgnc": "HGNC:28984",
        "name": "WASH complex subunit 5",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/washc5"
      },
      {
        "slug": "clcn4",
        "symbol": "CLCN4",
        "hgnc": "HGNC:2022",
        "name": "Cl-/H+ antiporter 4",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/clcn4"
      },
      {
        "slug": "kif5a",
        "symbol": "KIF5A",
        "hgnc": "HGNC:6323",
        "name": "kinesin family member 5A",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kif5a"
      },
      {
        "slug": "rtn2",
        "symbol": "RTN2",
        "hgnc": "HGNC:10468",
        "name": "reticulon 2",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rtn2"
      },
      {
        "slug": "ubap1",
        "symbol": "UBAP1",
        "hgnc": "HGNC:12461",
        "name": "ubiquitin associated protein 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ubap1"
      },
      {
        "slug": "actl6b",
        "symbol": "ACTL6B",
        "hgnc": "HGNC:160",
        "name": "actin like 6B",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/actl6b"
      },
      {
        "slug": "erlin2",
        "symbol": "ERLIN2",
        "hgnc": "HGNC:1356",
        "name": "ER lipid raft associated 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/erlin2"
      },
      {
        "slug": "piga",
        "symbol": "PIGA",
        "hgnc": "HGNC:8957",
        "name": "phosphatidylinositol glycan anchor biosynthesis class A",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/piga"
      },
      {
        "slug": "rars2",
        "symbol": "RARS2",
        "hgnc": "HGNC:21406",
        "name": "arginyl-tRNA synthetase 2, mitochondrial",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rars2"
      },
      {
        "slug": "spart",
        "symbol": "SPART",
        "hgnc": "HGNC:18514",
        "name": "spartin",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/spart"
      }
    ]
  }
}