{
  "url": "https://dantelabs.com/traits/decreased-circulating-cortisol-level",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "decreased-circulating-cortisol-level",
    "id": "HP:0008163",
    "name": "Low blood cortisol level",
    "label": "Decreased circulating cortisol level",
    "definition": "Abnormally reduced concentration of cortisol in the blood.",
    "synonyms": [
      "Decreased cortisol production",
      "Glucocorticoid insufficiency",
      "Hypocortisolemia",
      "Low to undetectable plasma cortisol",
      "Plasma cortisol low"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-endocrine-system",
        "name": "Abnormality of the endocrine system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-endocrine-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-circulating-cortisol-level",
        "name": "Abnormality of circulating cortisol level",
        "url": "https://dantelabs.com/traits/abnormality-of-circulating-cortisol-level"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "gli2",
        "symbol": "GLI2",
        "hgnc": "HGNC:4318",
        "name": "GLI family zinc finger 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gli2"
      },
      {
        "slug": "kdm1a",
        "symbol": "KDM1A",
        "hgnc": "HGNC:29079",
        "name": "lysine demethylase 1A",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kdm1a"
      },
      {
        "slug": "mc2r",
        "symbol": "MC2R",
        "hgnc": "HGNC:6930",
        "name": "melanocortin 2 receptor",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/mc2r"
      },
      {
        "slug": "mrap",
        "symbol": "MRAP",
        "hgnc": "HGNC:1304",
        "name": "melanocortin 2 receptor accessory protein",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/mrap"
      },
      {
        "slug": "nnt",
        "symbol": "NNT",
        "hgnc": "HGNC:7863",
        "name": "nicotinamide nucleotide transhydrogenase",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/nnt"
      },
      {
        "slug": "pcsk1",
        "symbol": "PCSK1",
        "hgnc": "HGNC:8743",
        "name": "proprotein convertase subtilisin/kexin type 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pcsk1"
      },
      {
        "slug": "pomc",
        "symbol": "POMC",
        "hgnc": "HGNC:9201",
        "name": "proopiomelanocortin",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pomc"
      },
      {
        "slug": "robo1",
        "symbol": "ROBO1",
        "hgnc": "HGNC:10249",
        "name": "roundabout guidance receptor 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/robo1"
      },
      {
        "slug": "serpina6",
        "symbol": "SERPINA6",
        "hgnc": "HGNC:1540",
        "name": "serpin family A member 6",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/serpina6"
      },
      {
        "slug": "star",
        "symbol": "STAR",
        "hgnc": "HGNC:11359",
        "name": "steroidogenic acute regulatory protein",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/star"
      },
      {
        "slug": "tbx19",
        "symbol": "TBX19",
        "hgnc": "HGNC:11596",
        "name": "T-box transcription factor 19",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/tbx19"
      },
      {
        "slug": "txnrd2",
        "symbol": "TXNRD2",
        "hgnc": "HGNC:18155",
        "name": "thioredoxin reductase 2",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/txnrd2"
      },
      {
        "slug": "abcd1",
        "symbol": "ABCD1",
        "hgnc": "HGNC:61",
        "name": "ATP binding cassette subfamily D member 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/abcd1"
      },
      {
        "slug": "cyp11a1",
        "symbol": "CYP11A1",
        "hgnc": "HGNC:2590",
        "name": "cytochrome P450 family 11 subfamily A member 1",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/cyp11a1"
      },
      {
        "slug": "cyp11b1",
        "symbol": "CYP11B1",
        "hgnc": "HGNC:2591",
        "name": "cytochrome P450 family 11 subfamily B member 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cyp11b1"
      },
      {
        "slug": "nfkb2",
        "symbol": "NFKB2",
        "hgnc": "HGNC:7795",
        "name": "nuclear factor kappa B subunit 2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nfkb2"
      },
      {
        "slug": "nr0b1",
        "symbol": "NR0B1",
        "hgnc": "HGNC:7960",
        "name": "nuclear receptor subfamily 0 group B member 1",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/nr0b1"
      },
      {
        "slug": "aaas",
        "symbol": "AAAS",
        "hgnc": "HGNC:13666",
        "name": "aladin WD repeat nucleoporin",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/aaas"
      },
      {
        "slug": "akt1",
        "symbol": "AKT1",
        "hgnc": "HGNC:391",
        "name": "AKT serine/threonine kinase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/akt1"
      },
      {
        "slug": "bap1",
        "symbol": "BAP1",
        "hgnc": "HGNC:950",
        "name": "BRCA1 associated deubiquitinase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bap1"
      },
      {
        "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": "gatb",
        "symbol": "GATB",
        "hgnc": "HGNC:8849",
        "name": "glutamyl-tRNA amidotransferase subunit B",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gatb"
      },
      {
        "slug": "gatc",
        "symbol": "GATC",
        "hgnc": "HGNC:25068",
        "name": "glutamyl-tRNA amidotransferase subunit C",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gatc"
      },
      {
        "slug": "gmppa",
        "symbol": "GMPPA",
        "hgnc": "HGNC:22923",
        "name": "GDP-mannose pyrophosphorylase A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gmppa"
      },
      {
        "slug": "hsd3b2",
        "symbol": "HSD3B2",
        "hgnc": "HGNC:5218",
        "name": "hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hsd3b2"
      },
      {
        "slug": "nf2",
        "symbol": "NF2",
        "hgnc": "HGNC:7773",
        "name": "NF2, moesin-ezrin-radixin like (MERLIN) tumor suppressor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nf2"
      },
      {
        "slug": "pdgfb",
        "symbol": "PDGFB",
        "hgnc": "HGNC:8800",
        "name": "platelet derived growth factor subunit B",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pdgfb"
      },
      {
        "slug": "pik3ca",
        "symbol": "PIK3CA",
        "hgnc": "HGNC:8975",
        "name": "phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pik3ca"
      },
      {
        "slug": "por",
        "symbol": "POR",
        "hgnc": "HGNC:9208",
        "name": "cytochrome p450 oxidoreductase",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/por"
      },
      {
        "slug": "qrsl1",
        "symbol": "QRSL1",
        "hgnc": "HGNC:21020",
        "name": "glutaminyl-tRNA amidotransferase subunit QRSL1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/qrsl1"
      },
      {
        "slug": "smarcb1",
        "symbol": "SMARCB1",
        "hgnc": "HGNC:11103",
        "name": "SWI/SNF related BAF chromatin remodeling complex subunit B1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smarcb1"
      },
      {
        "slug": "smarce1",
        "symbol": "SMARCE1",
        "hgnc": "HGNC:11109",
        "name": "SWI/SNF related BAF chromatin remodeling complex subunit E1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smarce1"
      },
      {
        "slug": "smo",
        "symbol": "SMO",
        "hgnc": "HGNC:11119",
        "name": "smoothened, frizzled class receptor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smo"
      },
      {
        "slug": "sufu",
        "symbol": "SUFU",
        "hgnc": "HGNC:16466",
        "name": "SUFU negative regulator of hedgehog signaling",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sufu"
      },
      {
        "slug": "tert",
        "symbol": "TERT",
        "hgnc": "HGNC:11730",
        "name": "telomerase reverse transcriptase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tert"
      },
      {
        "slug": "traf7",
        "symbol": "TRAF7",
        "hgnc": "HGNC:20456",
        "name": "TNF receptor associated factor 7",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/traf7"
      },
      {
        "slug": "trappc11",
        "symbol": "TRAPPC11",
        "hgnc": "HGNC:25751",
        "name": "trafficking protein particle complex subunit 11",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trappc11"
      },
      {
        "slug": "mpv17",
        "symbol": "MPV17",
        "hgnc": "HGNC:7224",
        "name": "mitochondrial inner membrane protein MPV17",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mpv17"
      },
      {
        "slug": "gli3",
        "symbol": "GLI3",
        "hgnc": "HGNC:4319",
        "name": "GLI family zinc finger 3",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gli3"
      }
    ]
  }
}