{
  "url": "https://dantelabs.com/traits/thrombocytosis",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "thrombocytosis",
    "id": "HP:0001894",
    "name": "Increased number of platelets in blood",
    "label": "Thrombocytosis",
    "definition": "Increased numbers of platelets in the peripheral blood.",
    "synonyms": [
      "Increased platelet count"
    ],
    "systems": [
      {
        "slug": "abnormality-of-blood-and-blood-forming-tissues",
        "name": "Abnormality of blood and blood-forming tissues",
        "url": "https://dantelabs.com/traits/abnormality-of-blood-and-blood-forming-tissues"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-platelet-count",
        "name": "Abnormal platelet count",
        "url": "https://dantelabs.com/traits/abnormal-platelet-count"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "calr",
        "symbol": "CALR",
        "hgnc": "HGNC:1455",
        "name": "calreticulin",
        "frequency": "obligate",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/calr"
      },
      {
        "slug": "hmox1",
        "symbol": "HMOX1",
        "hgnc": "HGNC:5013",
        "name": "heme oxygenase 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/hmox1"
      },
      {
        "slug": "jak2",
        "symbol": "JAK2",
        "hgnc": "HGNC:6192",
        "name": "Janus kinase 2",
        "frequency": "obligate",
        "diseases": 6,
        "url": "https://dantelabs.com/genes/jak2"
      },
      {
        "slug": "lacc1",
        "symbol": "LACC1",
        "hgnc": "HGNC:26789",
        "name": "laccase domain multifunctional purine nucleosidase 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lacc1"
      },
      {
        "slug": "mars1",
        "symbol": "MARS1",
        "hgnc": "HGNC:6898",
        "name": "methionyl-tRNA synthetase 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mars1"
      },
      {
        "slug": "pik3cd",
        "symbol": "PIK3CD",
        "hgnc": "HGNC:8977",
        "name": "phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pik3cd"
      },
      {
        "slug": "pstpip1",
        "symbol": "PSTPIP1",
        "hgnc": "HGNC:9580",
        "name": "proline-serine-threonine phosphatase interacting protein 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pstpip1"
      },
      {
        "slug": "rel",
        "symbol": "REL",
        "hgnc": "HGNC:9954",
        "name": "REL proto-oncogene, NF-kB subunit",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rel"
      },
      {
        "slug": "sh2b3",
        "symbol": "SH2B3",
        "hgnc": "HGNC:29605",
        "name": "SH2B adaptor protein 3",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/sh2b3"
      },
      {
        "slug": "thpo",
        "symbol": "THPO",
        "hgnc": "HGNC:11795",
        "name": "thrombopoietin",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/thpo"
      },
      {
        "slug": "ttc7a",
        "symbol": "TTC7A",
        "hgnc": "HGNC:19750",
        "name": "tetratricopeptide repeat domain 7A",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ttc7a"
      },
      {
        "slug": "mpl",
        "symbol": "MPL",
        "hgnc": "HGNC:7217",
        "name": "MPL proto-oncogene, thrombopoietin receptor",
        "frequency": "very-frequent",
        "diseases": 4,
        "url": "https://dantelabs.com/genes/mpl"
      },
      {
        "slug": "sting1",
        "symbol": "STING1",
        "hgnc": "HGNC:27962",
        "name": "stimulator of interferon response cGAMP interactor 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sting1"
      },
      {
        "slug": "tet2",
        "symbol": "TET2",
        "hgnc": "HGNC:25941",
        "name": "tet methylcytosine dioxygenase 2",
        "frequency": "very-frequent",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/tet2"
      },
      {
        "slug": "tp53",
        "symbol": "TP53",
        "hgnc": "HGNC:11998",
        "name": "tumor protein p53",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tp53"
      },
      {
        "slug": "abl1",
        "symbol": "ABL1",
        "hgnc": "HGNC:76",
        "name": "ABL proto-oncogene 1, non-receptor tyrosine kinase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/abl1"
      },
      {
        "slug": "acat1",
        "symbol": "ACAT1",
        "hgnc": "HGNC:93",
        "name": "acetyl-CoA acetyltransferase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/acat1"
      },
      {
        "slug": "ada2",
        "symbol": "ADA2",
        "hgnc": "HGNC:1839",
        "name": "adenosine deaminase 2",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ada2"
      },
      {
        "slug": "bcr",
        "symbol": "BCR",
        "hgnc": "HGNC:1014",
        "name": "BCR activator of RhoGEF and GTPase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bcr"
      },
      {
        "slug": "elf4",
        "symbol": "ELF4",
        "hgnc": "HGNC:3319",
        "name": "E74 like ETS transcription factor 4",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/elf4"
      },
      {
        "slug": "hbb",
        "symbol": "HBB",
        "hgnc": "HGNC:4827",
        "name": "hemoglobin subunit beta",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hbb"
      },
      {
        "slug": "kcnn4",
        "symbol": "KCNN4",
        "hgnc": "HGNC:6293",
        "name": "potassium calcium-activated channel subfamily N member 4",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnn4"
      },
      {
        "slug": "rps14",
        "symbol": "RPS14",
        "hgnc": "HGNC:10387",
        "name": "ribosomal protein S14",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps14"
      },
      {
        "slug": "rps19",
        "symbol": "RPS19",
        "hgnc": "HGNC:10402",
        "name": "ribosomal protein S19",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/rps19"
      },
      {
        "slug": "runx1",
        "symbol": "RUNX1",
        "hgnc": "HGNC:10471",
        "name": "RUNX family transcription factor 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/runx1"
      },
      {
        "slug": "skic3",
        "symbol": "SKIC3",
        "hgnc": "HGNC:23639",
        "name": "SKI3 subunit of superkiller complex",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/skic3"
      },
      {
        "slug": "tgfb1",
        "symbol": "TGFB1",
        "hgnc": "HGNC:11766",
        "name": "transforming growth factor beta 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tgfb1"
      },
      {
        "slug": "asl",
        "symbol": "ASL",
        "hgnc": "HGNC:746",
        "name": "argininosuccinate lyase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/asl"
      },
      {
        "slug": "cd55",
        "symbol": "CD55",
        "hgnc": "HGNC:2665",
        "name": "CD55 molecule (Cromer blood group)",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cd55"
      },
      {
        "slug": "hmgcl",
        "symbol": "HMGCL",
        "hgnc": "HGNC:5005",
        "name": "3-hydroxy-3-methylglutaryl-CoA lyase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hmgcl"
      },
      {
        "slug": "rpsa",
        "symbol": "RPSA",
        "hgnc": "HGNC:6502",
        "name": "ribosomal protein SA",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpsa"
      },
      {
        "slug": "skic2",
        "symbol": "SKIC2",
        "hgnc": "HGNC:10898",
        "name": "SKI2 subunit of superkiller complex",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/skic2"
      },
      {
        "slug": "tbk1",
        "symbol": "TBK1",
        "hgnc": "HGNC:11584",
        "name": "TANK binding kinase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbk1"
      },
      {
        "slug": "atp6v1b2",
        "symbol": "ATP6V1B2",
        "hgnc": "HGNC:854",
        "name": "ATPase H+ transporting V1 subunit B2",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp6v1b2"
      },
      {
        "slug": "gata1",
        "symbol": "GATA1",
        "hgnc": "HGNC:4170",
        "name": "GATA binding protein 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gata1"
      },
      {
        "slug": "heatr3",
        "symbol": "HEATR3",
        "hgnc": "HGNC:26087",
        "name": "HEAT repeat containing 3",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/heatr3"
      },
      {
        "slug": "rpl11",
        "symbol": "RPL11",
        "hgnc": "HGNC:10301",
        "name": "ribosomal protein L11",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl11"
      },
      {
        "slug": "rpl15",
        "symbol": "RPL15",
        "hgnc": "HGNC:10306",
        "name": "ribosomal protein L15",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl15"
      },
      {
        "slug": "rpl18",
        "symbol": "RPL18",
        "hgnc": "HGNC:10310",
        "name": "ribosomal protein L18",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl18"
      },
      {
        "slug": "rpl26",
        "symbol": "RPL26",
        "hgnc": "HGNC:10327",
        "name": "ribosomal protein L26",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl26"
      },
      {
        "slug": "rpl27",
        "symbol": "RPL27",
        "hgnc": "HGNC:10328",
        "name": "ribosomal protein L27",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl27"
      },
      {
        "slug": "rpl31",
        "symbol": "RPL31",
        "hgnc": "HGNC:10334",
        "name": "ribosomal protein L31",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl31"
      },
      {
        "slug": "rpl35",
        "symbol": "RPL35",
        "hgnc": "HGNC:10344",
        "name": "ribosomal protein L35",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl35"
      },
      {
        "slug": "rpl35a",
        "symbol": "RPL35A",
        "hgnc": "HGNC:10345",
        "name": "ribosomal protein L35a",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl35a"
      },
      {
        "slug": "rpl5",
        "symbol": "RPL5",
        "hgnc": "HGNC:10360",
        "name": "ribosomal protein L5",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl5"
      },
      {
        "slug": "rpl8",
        "symbol": "RPL8",
        "hgnc": "HGNC:10368",
        "name": "ribosomal protein L8",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl8"
      },
      {
        "slug": "rpl9",
        "symbol": "RPL9",
        "hgnc": "HGNC:10369",
        "name": "ribosomal protein L9",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rpl9"
      },
      {
        "slug": "rps10",
        "symbol": "RPS10",
        "hgnc": "HGNC:10383",
        "name": "ribosomal protein S10",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps10"
      },
      {
        "slug": "rps15a",
        "symbol": "RPS15A",
        "hgnc": "HGNC:10389",
        "name": "ribosomal protein S15a",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps15a"
      },
      {
        "slug": "rps17",
        "symbol": "RPS17",
        "hgnc": "HGNC:10397",
        "name": "ribosomal protein S17",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps17"
      },
      {
        "slug": "rps20",
        "symbol": "RPS20",
        "hgnc": "HGNC:10405",
        "name": "ribosomal protein S20",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps20"
      },
      {
        "slug": "rps24",
        "symbol": "RPS24",
        "hgnc": "HGNC:10411",
        "name": "ribosomal protein S24",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps24"
      },
      {
        "slug": "rps26",
        "symbol": "RPS26",
        "hgnc": "HGNC:10414",
        "name": "ribosomal protein S26",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps26"
      },
      {
        "slug": "rps27",
        "symbol": "RPS27",
        "hgnc": "HGNC:10416",
        "name": "ribosomal protein S27",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps27"
      },
      {
        "slug": "rps28",
        "symbol": "RPS28",
        "hgnc": "HGNC:10418",
        "name": "ribosomal protein S28",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps28"
      },
      {
        "slug": "rps29",
        "symbol": "RPS29",
        "hgnc": "HGNC:10419",
        "name": "ribosomal protein S29",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps29"
      },
      {
        "slug": "rps7",
        "symbol": "RPS7",
        "hgnc": "HGNC:10440",
        "name": "ribosomal protein S7",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps7"
      },
      {
        "slug": "sf3b1",
        "symbol": "SF3B1",
        "hgnc": "HGNC:10768",
        "name": "splicing factor 3b subunit 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sf3b1"
      },
      {
        "slug": "tbc1d24",
        "symbol": "TBC1D24",
        "hgnc": "HGNC:29203",
        "name": "TBC1 domain family member 24",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbc1d24"
      },
      {
        "slug": "tsr2",
        "symbol": "TSR2",
        "hgnc": "HGNC:25455",
        "name": "TSR2 ribosome maturation factor",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tsr2"
      },
      {
        "slug": "elane",
        "symbol": "ELANE",
        "hgnc": "HGNC:3309",
        "name": "elastase, neutrophil expressed",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/elane"
      },
      {
        "slug": "hla-dqa1",
        "symbol": "HLA-DQA1",
        "hgnc": "HGNC:4942",
        "name": "major histocompatibility complex, class II, DQ alpha 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hla-dqa1"
      },
      {
        "slug": "hla-dqb1",
        "symbol": "HLA-DQB1",
        "hgnc": "HGNC:4944",
        "name": "major histocompatibility complex, class II, DQ beta 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hla-dqb1"
      },
      {
        "slug": "ifng",
        "symbol": "IFNG",
        "hgnc": "HGNC:5438",
        "name": "interferon gamma",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ifng"
      },
      {
        "slug": "ifngr1",
        "symbol": "IFNGR1",
        "hgnc": "HGNC:5439",
        "name": "interferon gamma receptor 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ifngr1"
      },
      {
        "slug": "mthfd1",
        "symbol": "MTHFD1",
        "hgnc": "HGNC:7432",
        "name": "methylenetetrahydrofolate dehydrogenase, cyclohydrolase and formyltetrahydrofolate synthetase 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mthfd1"
      },
      {
        "slug": "pmm2",
        "symbol": "PMM2",
        "hgnc": "HGNC:9115",
        "name": "phosphomannomutase 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pmm2"
      }
    ]
  }
}