{
  "url": "https://dantelabs.com/traits/asthenia",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "asthenia",
    "id": "HP:0025406",
    "name": "Lack of energy and strength",
    "label": "Asthenia",
    "definition": "A state characterized by a feeling of weakness and loss of strength leading to a generalized weakness of the body.",
    "synonyms": [
      "Weakness"
    ],
    "systems": [
      {
        "slug": "constitutional-symptom",
        "name": "Constitutional symptom",
        "url": "https://dantelabs.com/traits/constitutional-symptom"
      }
    ],
    "broader": [
      {
        "slug": "constitutional-symptom",
        "name": "Constitutional symptom",
        "url": "https://dantelabs.com/traits/constitutional-symptom"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "alas2",
        "symbol": "ALAS2",
        "hgnc": "HGNC:397",
        "name": "5'-aminolevulinate synthase 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/alas2"
      },
      {
        "slug": "dars2",
        "symbol": "DARS2",
        "hgnc": "HGNC:25538",
        "name": "aspartyl-tRNA synthetase 2, mitochondrial",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dars2"
      },
      {
        "slug": "fdxr",
        "symbol": "FDXR",
        "hgnc": "HGNC:3642",
        "name": "ferredoxin reductase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fdxr"
      },
      {
        "slug": "gys1",
        "symbol": "GYS1",
        "hgnc": "HGNC:4706",
        "name": "glycogen synthase 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gys1"
      },
      {
        "slug": "hnrnpa2b1",
        "symbol": "HNRNPA2B1",
        "hgnc": "HGNC:5033",
        "name": "heterogeneous nuclear ribonucleoprotein A2/B1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hnrnpa2b1"
      },
      {
        "slug": "hspb8",
        "symbol": "HSPB8",
        "hgnc": "HGNC:30171",
        "name": "heat shock protein family B (small) member 8",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hspb8"
      },
      {
        "slug": "lbr",
        "symbol": "LBR",
        "hgnc": "HGNC:6518",
        "name": "lamin B receptor",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lbr"
      },
      {
        "slug": "mdga2",
        "symbol": "MDGA2",
        "hgnc": "HGNC:19835",
        "name": "MAM domain containing glycosylphosphatidylinositol anchor 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mdga2"
      },
      {
        "slug": "plekhm1",
        "symbol": "PLEKHM1",
        "hgnc": "HGNC:29017",
        "name": "pleckstrin homology and RUN domain containing M1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/plekhm1"
      },
      {
        "slug": "ptcra",
        "symbol": "PTCRA",
        "hgnc": "HGNC:21290",
        "name": "pre T cell antigen receptor alpha",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ptcra"
      },
      {
        "slug": "serpina6",
        "symbol": "SERPINA6",
        "hgnc": "HGNC:1540",
        "name": "serpin family A member 6",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/serpina6"
      },
      {
        "slug": "sptan1",
        "symbol": "SPTAN1",
        "hgnc": "HGNC:11273",
        "name": "spectrin alpha, non-erythrocytic 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sptan1"
      },
      {
        "slug": "tuba4a",
        "symbol": "TUBA4A",
        "hgnc": "HGNC:12407",
        "name": "tubulin alpha 4a",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tuba4a"
      },
      {
        "slug": "nsdhl",
        "symbol": "NSDHL",
        "hgnc": "HGNC:13398",
        "name": "NAD(P) dependent 3-beta-hydroxysteroid dehydrogenase NSDHL",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nsdhl"
      },
      {
        "slug": "piga",
        "symbol": "PIGA",
        "hgnc": "HGNC:8957",
        "name": "phosphatidylinositol glycan anchor biosynthesis class A",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/piga"
      },
      {
        "slug": "aip",
        "symbol": "AIP",
        "hgnc": "HGNC:358",
        "name": "AHR interacting HSP90 co-chaperone",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/aip"
      },
      {
        "slug": "arhgap19",
        "symbol": "ARHGAP19",
        "hgnc": "HGNC:23724",
        "name": "Rho GTPase activating protein 19",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/arhgap19"
      },
      {
        "slug": "cblif",
        "symbol": "CBLIF",
        "hgnc": "HGNC:4268",
        "name": "cobalamin binding intrinsic factor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cblif"
      },
      {
        "slug": "gpr101",
        "symbol": "GPR101",
        "hgnc": "HGNC:14963",
        "name": "G protein-coupled receptor 101",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gpr101"
      },
      {
        "slug": "man2b1",
        "symbol": "MAN2B1",
        "hgnc": "HGNC:6826",
        "name": "mannosidase alpha class 2B member 1",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/man2b1"
      },
      {
        "slug": "mefv",
        "symbol": "MEFV",
        "hgnc": "HGNC:6998",
        "name": "MEFV innate immunity regulator, pyrin",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mefv"
      },
      {
        "slug": "creld1",
        "symbol": "CRELD1",
        "hgnc": "HGNC:14630",
        "name": "CRELD disulfide isomerase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/creld1"
      },
      {
        "slug": "dguok",
        "symbol": "DGUOK",
        "hgnc": "HGNC:2858",
        "name": "deoxyguanosine kinase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dguok"
      },
      {
        "slug": "msl2",
        "symbol": "MSL2",
        "hgnc": "HGNC:25544",
        "name": "MSL complex subunit 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/msl2"
      },
      {
        "slug": "prorp",
        "symbol": "PRORP",
        "hgnc": "HGNC:19958",
        "name": "protein only RNase P catalytic subunit",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prorp"
      },
      {
        "slug": "tfr2",
        "symbol": "TFR2",
        "hgnc": "HGNC:11762",
        "name": "transferrin receptor 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tfr2"
      },
      {
        "slug": "mthfd1",
        "symbol": "MTHFD1",
        "hgnc": "HGNC:7432",
        "name": "methylenetetrahydrofolate dehydrogenase, cyclohydrolase and formyltetrahydrofolate synthetase 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mthfd1"
      }
    ]
  }
}