Set up the project skeleton per PLAN.md §4: - src/ package: identifiers, disease, drugs, scoring, provenance with pydantic schemas and confidence-tier logic (working); data-pull/compute functions stubbed per their build week - 5 starter notebooks (01-05) with PLAN-referenced steps - tests/test_scoring.py: tier-assignment tests pass; scoring reference test xfail until Week 3 - docs/: recovery_test_report, data_sources, known_limitations skeletons - pyproject.toml (requires-python >=3.11,<3.14), .gitignore, README - data/ tree preserved via .gitkeep; raw/processed/results gitignored Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Sickle Cell Repurposing — Recovery Test Report
Status: DRAFT SCAFFOLD — not yet run. Filled in during Week 4 from
notebooks/05_recovery_test.ipynb. Target length: ~2 pages, readable by a sceptical pharma scientist in 5 minutes.
Pre-registered success criteria
⚠️ Commit this section to git before running the recovery test (PLAN.md §8, §10).
The MVP passes if:
- Hydroxyurea ranks in the top 10% (top 30 of 300), AND
- L-glutamine ranks in the top 25% (top 75) OR is documented as unscorable due to a missing LINCS signature, AND
- At least 4 of 5 negative-control drugs rank in the bottom half.
Pre-registered on: TBD (date of commit)
Section 1 — Methodology
5–6 sentences: what was built, the GEO dataset used, the drug-set composition, and the scoring method (CMap connectivity, Lamb 2006 / Subramanian 2017).
Section 2 — Recovery test result
| Drug | Rank | Percentile | Pass? |
|---|---|---|---|
| Hydroxyurea | TBD | TBD | TBD |
| L-glutamine | TBD | TBD | TBD |
Negative controls (expected: bottom half):
| Control drug | Rank | Bottom half? |
|---|---|---|
| TBD | TBD | TBD |
Overall: PASS / FAIL against pre-registered criteria — TBD
Section 3 — Top 10 candidates
| Rank | Drug | Score | Known mechanism | Biological plausibility |
|---|---|---|---|---|
| 1 | TBD | TBD | TBD | TBD |
Note: HDAC inhibitors and broad kinase inhibitors often dominate connectivity rankings due to widespread expression effects — flag these honestly (PLAN.md §9.4).
Section 4 — One non-obvious candidate worth investigating
A single paragraph on the most interesting result. Language must be careful: this is a computational hypothesis to test, not a discovery (PLAN.md §9.7).
Section 5 — Honest limitations
- Cell-composition confound in whole-blood expression (PLAN.md §9.1)
- LINCS L1000 cell-line limitations — landmark genes measured mostly in cancer lines (§9.2)
- Missing signatures (e.g. L-glutamine) (§9.3)
- No mechanistic validation layer — discovery hypothesis generation, not validated prediction (§9.6)
Section 6 — What v2 would fix
- Cell-type deconvolution of the disease signature
- Knowledge graph fallback for missing-signature drugs
- A second disease to test generalization (the real test — sickle cell results do not prove the platform generalizes, §9.5)