Atlas · Knowledge gaps

Knowledge gaps queue

Open research questions ranked by priority. Each gap is a candidate for a debate or a SPEC-033 bounty challenge.

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#TitleStatusPriorityDomainCreated
1How do NTN1+ endothelial cells specifically target and communicate with regener…
While the study demonstrates that NTN1+ECs foster axon regeneration and form vascular niches, the specific cell-cell communication mechanisms and targeting sign…
gap-pubmed-20260410-142337-ff7f045d
open0.800peripheral nerve regeneration2026-04-10Open →
2Which specific bioactive compounds in QZP are responsible for BDNF/TrkB/CREB pa…
QZP is a multi-component herbal formula, but the study doesn't identify which specific compounds drive the observed neuroprotective effects. Understanding the a…
gap-pubmed-20260410-165543-fdfd7411
open0.800peripheral nerve regeneration2026-04-10Open →
3What molecular mechanisms control let-7a-5p downregulation in NTN1+ endothelial…
The study identifies low let-7a-5p expression in NTN1 EC-EXO as critical for niche formation, but the regulatory mechanisms controlling this microRNA's selectiv…
gap-pubmed-20260410-142337-1e53429e
open0.790peripheral nerve regeneration2026-04-10Open →
4How does QZP treatment compare to established BDNF-based therapies for peripher…
The study demonstrates QZP activates BDNF signaling but doesn't compare its efficacy to direct BDNF administration or other established neurotrophic treatments.…
gap-pubmed-20260410-165543-93997f07
open0.750peripheral nerve regeneration2026-04-10Open →
5What is the optimal treatment duration and dosing regimen for QZP in facial ner…
The study used a fixed 14-day treatment protocol with single dose level, but doesn't establish dose-response relationships or optimal treatment windows. This li…
gap-pubmed-20260410-165543-043516d9
open0.720peripheral nerve regeneration2026-04-10Open →
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Research gap index — open knowledge gaps ranked by priority score. Filter by status and domain. Links to /gaps/[id] for full detail.

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