Hypothesis #39979

metformin AMPK epileptiform network activity

Drug domain: Type 2 diabetes Outcome domain: Epilepsy Score: 0.449 Quality: high

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Provenance trace

Audit trail · metformin → AMPK → epileptiform network activity

10 source papers, 10 extracted claims, scored by Swanson ABC chain.

Backfilled

Backfilled retroactively from DB state on 2026-05-13. The pipeline_run this row references was created by the backfill script, not by the actual generation orchestrator. Source papers, claims, scoring, and embedding config are recovered; generation-time metadata (exact git commit at gen time, host, exact command) is not recoverable.

1Source papers10
Filter
2Extracted claims10

Each row is one structured triple extracted by deepseek-v4-flash (prompt v1_2026_05_07, source: configured). Confidence is the LLM's self-rating.

  • metforminactivatesAMPKA→B
    "in C. elegans through lysosomal pathway"confidence 0.90· extraction run #27· claim #165830
  • metforminactivatesAMPKA→B
    "in human ileal and colonic tissue ex vivo"confidence 0.80· extraction run #27· claim #166700
  • metforminactivatesAMPKA→B
    "in vitro and in vivo"confidence 0.90· extraction run #27· claim #167240
  • metforminactivatesAMPKA→B
    "in patients with type 2 diabetes"confidence 0.95· extraction run #27· claim #167374
  • metforminactivatesAMPKA→B
    "in peripheral blood mononuclear cells from type 2 diabetic patients"confidence 0.95· extraction run #27· claim #169519
  • metforminactivatesAMPKA→B
    "in HCC cells"confidence 0.80· extraction run #27· claim #177030
  • MetforminactivatesAMPKA→B
    "in Calu3 and Caco2 cell lines"confidence 0.95· extraction run #27· claim #179786
  • metforminactivatesAMPKA→B
    "in metabolic and antiproliferative effects"confidence 0.60· extraction run #27· claim #188767
  • metforminactivatesAMPKA→B
    "based on inhibitor experiment in mice"confidence 0.70· extraction run #27· claim #198866
  • AMPKincreasesepileptiform network activityB→C
    "in thalamic brain slices"confidence 0.80· extraction run #14· claim #22912
3Bridging logicSwanson ABC
Drug
metformin
activates
9 papers
Mediator
AMPK
increases
1 paper
Outcome
epileptiform network activity
edge_support_log_ab
log(ab + 1) = 2.303
edge_support_log_bc
log(bc + 1) = 0.693
novelty_factor
1.000 (no direct drug→outcome evidence — full novelty)
direct_a_to_c_count
0
4Embedding modelbge-m3

Embeddings are used at the L1 filtering stage to prune off-topic abstracts before claim extraction. They do not directly score the hypothesis.

model
bge-m3
dim
1024
max_length
8192 tokens
similarity_scores
No per-hypothesis cosine scores stored.
5Final scoringhigh · 0.449
method
swanson_abc_log_evidence_with_novelty_penalty
formula
score = min((log(ab+1) + log(bc+1)) * novelty / 10, 1.0); novelty = 1.0 if direct==0 else 0.7 / (direct+1)
raw score
0.2996
outreach score
0.4494
quality tier
high
Pipeline version
9996ffa
Pipeline run
id 4 · uuid eb8b7730…
Pipeline command
scripts/backfill_provenance_v2.py:v2_2026_05_12
Pipeline status
completed
Generated
2026-05-12 21:43:40 UTC
Schema version
1.0
Download full provenance JSON
Score trajectory

How this hypothesis evolved

First captured May 12, 2026, latest May 13, 2026. 2 snapshots.

0.000.200.400.600510 score evidence count May 12, 2026 · score 0.449 · 10 evidence · CT: none · Lit: partial_evidenceMay 12freezeMay 13, 2026 · score 0.449 · 10 evidence · CT: none · Lit: partial_evidenceMay 13monthly
Score (left axis) Evidence count (right axis, dashed)