{
  "id": "SCR-LIP-000231",
  "statement": "This review proposes AKR1C enzymes (AKR1C1-4) as a central biological pathway linking rare familial mutations (e.g., AKR1C1 L213Q segregating with lipedema across 3 generations, AKR1C2 Ser320PheTer2) and common regulatory polymorphisms (rs28571848, rs34477787) to lipedema through altered steroid hormone metabolism in gluteofemoral subcutaneous adipose tissue, with environmental endocrine disruptors and hormones converging on the same hereditary pathway.",
  "statement_pt": "Esta revisão propõe as enzimas AKR1C (AKR1C1-4) como via biológica central que conecta mutações familiais raras (ex.: AKR1C1 L213Q segregando com lipedema em 3 gerações, AKR1C2 Ser320PheTer2) e polimorfismos regulatórios comuns (rs28571848, rs34477787) ao lipedema por meio da alteração do metabolismo de hormônios esteroides no tecido adiposo subcutâneo gluteofemoral, com desreguladores endócrinos ambientais e hormônios convergindo na mesma via hereditária.",
  "claim_type": "clinical_association",
  "context": {
    "population": "—",
    "condition": "lipedema",
    "exposure": "—",
    "comparator": "—",
    "outcome": "—",
    "scope": "auto-ingested from Layer 1 surveillance"
  },
  "knowledge_state": "emerging",
  "evidence_confidence": "low",
  "evidence": [
    {
      "ref": "DOI:10.4081/vl.2026.15495",
      "stance": "supporting",
      "study_design": "review",
      "n": null,
      "risk_of_bias": "unknown",
      "grade": "low",
      "year": 2026,
      "amato_authored": false,
      "note": "Review articulating a gene-environment model in which both heredity (familial AKR1C mutations and regulatory polymorphisms) and hormones (steroid metabolism, endocrine disruptors) influence lipedema onset, directly supporting the question's",
      "title": "From rare familial mutations to multifactorial disease: aldo-keto reductase 1C enzymes as a central biological pathway in lipedema",
      "authors": "Vainberg et al.",
      "journal": "Veins and Lymphatics"
    }
  ],
  "relations": [],
  "gaps": "Auto-ingested single source; not yet human-reviewed.",
  "primary_amato_source": null,
  "curators": [],
  "provenance": {
    "auto": true,
    "engine": "anthropic/claude-opus-4.8",
    "question": "SQ-LIP-000012",
    "source": "library",
    "ingested": "2026-05-31"
  },
  "created": "2026-05-31",
  "updated": "2026-05-31",
  "history": [
    {
      "date": "2026-05-31",
      "event": "created",
      "detail": "auto-ingested for SQ-LIP-000012"
    }
  ],
  "license": "CC-BY-4.0",
  "answers_questions": [
    {
      "id": "SQ-LIP-000012",
      "role": "supporting",
      "question": "Do hormones and heredity influence the onset of lipedema?",
      "url": "https://scientificclaims.org/q/SQ-LIP-000012.html"
    }
  ],
  "url": "https://scientificclaims.org/c/SCR-LIP-000231.html"
}