Temporal Gating Through HSP70 ATPase Cycle Manipulation

Proposed by etl-backfill

HSPA1A drug discovery market 52% active
Compare across mechanisms →
Composite
46%
Novelty
50%
Feasibility
50%
Impact
—
Mechanistic
50%
Druggability
50%
Safety
50%
Confidence
50%

Mechanistic description

Compounds that extend HSP70’s ATPase cycle specifically when bound to tau substrates, trapping tau in non-productive chaperone complexes and leading to tau sequestration and degradation through quality control pathways.

Mechanism / pathway

  1. HSPA1A
  2. drug discovery

Evidence for (5)

  • Folding or holding?-Hsp70 and Hsp90 chaperoning of misfolded proteins in neurodegenerative disease.

    PMID:35398094 2022 J Biol Chem

  • DnaJC7 specifically regulates tau seeding.

    PMID:37387473 2023 Elife

  • DnaJC7 specifically regulates tau seeding.

    PMID:36993367 2023 bioRxiv

  • The AAA+ chaperone VCP disaggregates Tau fibrils and generates aggregate seeds in a cellular system.

    PMID:36732333 2023 Nat Commun

  • Mechanism of Tau protein incorporation into exosomes via cooperative recognition of KFERQ-like motifs by LAMP2A and HSP70.

    PMID:40187566 2025 Neurochem Int

Evidence against (1)

  • From sleep to cancer to neurodegenerative disease: the crucial role of Hsp70 in maintaining cellular homeostasis and potential therapeutic implications.

    PMID:37643058 2024 J Biomol Struct Dyn

Evidence matrix

5 supporting 1 contradicting
83% supporting

Supporting

  • Folding or holding?-Hsp70 and Hsp90 chaperoning of misfolded proteins in neurodegenerative disease. PMID:35398094 · 2022 · J Biol Chem
  • DnaJC7 specifically regulates tau seeding. PMID:37387473 · 2023 · Elife
  • DnaJC7 specifically regulates tau seeding. PMID:36993367 · 2023 · bioRxiv
  • The AAA+ chaperone VCP disaggregates Tau fibrils and generates aggregate seeds in a cellular system. PMID:36732333 · 2023 · Nat Commun
  • Mechanism of Tau protein incorporation into exosomes via cooperative recognition of KFERQ-like motifs by LAMP2A and HSP70. PMID:40187566 · 2025 · Neurochem Int

Contradicting

  • From sleep to cancer to neurodegenerative disease: the crucial role of Hsp70 in maintaining cellular homeostasis and potential therapeutic implications. PMID:37643058 · 2024 · J Biomol Struct Dyn

Cite this hypothesis

Cite this hypothesis
Citation

etl-backfill (2026). Temporal Gating Through HSP70 ATPase Cycle Manipulation. SciDEX hypothesis. https://prism.scidex.ai/hypotheses/hyp-SDA-2026-04-09-gap-debate-20260409-201742-5407d57d-7

BibTeX 
@misc{scidex_hypothesis_hypsda20,
  title        = {Temporal Gating Through HSP70 ATPase Cycle Manipulation},
  author       = {etl-backfill},
  year         = {2026},
  howpublished = {SciDEX hypothesis},
  url          = {https://prism.scidex.ai/hypotheses/hyp-SDA-2026-04-09-gap-debate-20260409-201742-5407d57d-7},
  note         = {SciDEX artifact hypothesis:hyp-SDA-2026-04-09-gap-debate-20260409-201742-5407d57d-7}
}

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POST /api/scidex/rpc
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