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    "headline": "Chemotherapy Summons the Cells That Shield the Tumor",
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    "dek": "An IL-1? inflammatory cascade recruited neutrophils whose extracellular traps weakened later treatment in ovarian-cancer models.",
    "summary": "An IL-1? inflammatory cascade recruited neutrophils whose extracellular traps weakened later treatment in ovarian-cancer models.",
    "body_text": "Wistar researchers compared tumors before and after chemotherapy and found higher interleukin-1 beta, especially in poor responders. In engineered mouse models, disrupting IL-1? signaling improved tumor shrinkage; laboratory work traced a path through neutrophil recruitment, T-cell exhaustion, and web-like extracellular traps that reduced drug effectiveness. Patient samples echoed parts of that pattern, but blocking the pathway remains a therapeutic hypothesis, not an established treatment.",
    "why_it_matters": "An IL-1? inflammatory cascade recruited neutrophils whose extracellular traps weakened later treatment in ovarian-cancer models.",
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      "signaling improved tumor shrinkage; laboratory work traced a path through neutrophil recruitment, T-cell exhaustion, and web-like extracellular traps that reduced drug effectiveness.",
      "Patient samples echoed parts of that pattern, but blocking the pathway remains a therapeutic hypothesis, not an established treatment."
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    "tags": [
      "ovarian cancer",
      "chemotherapy resistance",
      "immunology"
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      "source_id": "source-2026-07-24-013",
      "title": "Wistar Institute via Newswise: Ovarian chemotherapy resistance mechanism",
      "publisher": "Wistar Institute via Newswise",
      "url": "https://www.newswise.com/articles/wistar-scientists-identify-new-mechanism-behind-chemotherapy-resistance-in-ovarian-cancer",
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