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    "headline": "Insulin Folding Needs a Doubles Team",
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    "dek": "Cell and mouse experiments found that BiP and its partner p58IPK work together to fold and transport proinsulin.",
    "summary": "Cell and mouse experiments found that BiP and its partner p58IPK work together to fold and transport proinsulin.",
    "body_text": "Removing p58IPK increased misfolded proinsulin and reduced insulin production, while restoring it helped only when BiP was present. The PNAS study identifies a vulnerable chaperone network in beta cells and a research target, not an available diabetes treatment.",
    "why_it_matters": "Cell and mouse experiments found that BiP and its partner p58IPK work together to fold and transport proinsulin.",
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      "Removing p58IPK increased misfolded proinsulin and reduced insulin production, while restoring it helped only when BiP was present.",
      "The PNAS study identifies a vulnerable chaperone network in beta cells and a research target, not an available diabetes treatment."
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        "qualification": "Removing p58IPK increased misfolded proinsulin and reduced insulin production, while restoring it helped only when BiP was present."
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    "tags": [
      "proinsulin",
      "protein folding",
      "beta cells"
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      "source_id": "source-2026-07-28-018",
      "title": "Sanford Burnham Prebys via ScienceDaily: Proinsulin chaperone network",
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    "title": "Insulin Folding Needs a Doubles Team",
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