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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open gaps
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#TitleStatusPriorityDomainCreated
1Gap: Causal inference from immune-aging trajectory correlations to vaccine resp…
Existing immune-aging atlases (Gustavson et al. 2025, Allen AIFI; PMID:37845489) document strong correlational relationships between immune-aging trajectories a…
c3a4edc9-06c7-46ba-ac66-d47f9b77c7fc
open0.900immunology2026-05-24Open →
2Gap: Causal inference from immune-aging trajectory correlations to vaccine resp…
Existing immune-aging atlases (Gustavson et al. 2025, Allen AIFI; PMID:37845489) document strong correlational relationships between immune-aging trajectories a…
24bde3a6-8ca2-401a-a188-4f779523151d
open0.900immunology2026-05-24Open →
3Gap: Causal inference from immune-aging trajectory correlations to vaccine resp…
Existing immune-aging atlases (Gustavson et al. 2025, Allen AIFI; PMID:37845489) document strong correlational relationships between immune-aging trajectories a…
b3900a1c-dd5c-43b7-bd59-05ed852b1de1
open0.900immunology2026-05-24Open →
4Why do TREM2 therapeutic effects differ dramatically between brain and peripher…
Evidence from liver and cardiac studies was questioned for brain relevance due to tissue-specific immune environments. This fundamental gap prevents cross-tissu…
gap-debate-20260410-100405-8495ede2
open0.850immunology2026-04-10Open →
5Does enhanced microglial activation via APOE-TREM2 modulation cause harmful neu…
The domain expert flagged excessive microglial activation as a major safety risk, but the debate provided no data on the therapeutic window between beneficial a…
gap-debate-20260410-113104-eb25fd6a
open0.850immunology2026-04-10Open →
6What determines context-dependent C1q binding outcomes at synapses?
The skeptic noted that C1q binding doesn't always lead to synaptic elimination and that 'context and co-signals matter significantly.' The molecular determinant…
gap-debate-20260410-112848-e3ae9e42
open0.850immunology2026-04-10Open →
7Which immune-aging axes are causal, compensatory, or merely correlated across t…
Immune profiles change with age, infection history, clonal expansion, tissue state, and exposure. The mission needs artifacts that classify immune-aging signals…
85152981-a05c-4a7d-b7e7-9c2eaf99cbf8
open0.820immunology2026-05-19Open →
8How do Fc domain modifications affect microglial activation and ARIA risk in en…
The debate identified that enhanced CNS retention through Fc engineering could paradoxically increase neuroinflammation and amyloid-related imaging abnormalitie…
gap-debate-20260410-112908-56bda1b3
open0.800immunology2026-04-10Open →
9Do microglia metabolic states directly control synaptic engulfment capacity ind…
The metabolic reprogramming hypothesis assumes pruning activity can be selectively modulated while preserving protective functions, but this functional dissocia…
gap-debate-20260410-111529-591a68e8
open0.800immunology2026-04-10Open →
10Why do peripheral tissue TREM2 functions fail to predict brain-specific therape…
Evidence from liver and cardiac tissues was cited but the Skeptic noted these may not translate to brain pathophysiology. The molecular basis for this tissue-sp…
gap-debate-20260410-100409-5f7c9f81
open0.800immunology2026-04-10Open →
11How does the 17q21.31 inversion polymorphism mechanistically contribute to seve…
The study identifies a ~0.9-Mb inversion creating two differentiated haplotypes associated with severe COVID-19, but the functional mechanisms linking this stru…
gap-pubmed-20260410-155335-3c2bcaa8
open0.800immunology2026-04-10Open →
12Can C1q-mediated synaptic pruning be blocked without impairing Aβ clearance fun…
Multiple hypotheses assume these functions are separable, but the debate revealed conflicting evidence about whether the same C1q protein mediates both processe…
gap-debate-20260417-033240-9c07c866
open0.800immunology2026-04-17Open →
13How does microglial cholesterol accumulation mechanistically prime NLRP3 inflam…
The domain expert identified microglial cholesterol-mediated neuroinflammation as high translational potential, but the specific molecular steps linking intrace…
gap-debate-20260417-033110-112b643f
open0.800immunology2026-04-17Open →
14Do TREM2 activation states define distinct amyloid clearance thresholds requiri…
The debate introduced TREM2-dependent microglial transitions as threshold determinants but left the mechanistic details and clinical implications unresolved. Th…
gap-debate-20260417-033141-12b1a191
open0.790immunology2026-04-17Open →
15Can NLRP3 inflammasome inhibition modify disease progression in symptomatic AD…
While NLRP3 ranked highest for therapeutic potential, the debate noted most targets are only tested in prevention paradigms. Whether inflammasome pathways remai…
gap-debate-20260417-033029-bdadf745
open0.790immunology2026-04-17Open →
16What are the cell-type specific mechanisms of TIM-3 regulation in AD microglia…
While TIM-3 modulation showed promise, the debate revealed uncertainty about microglial-specific versus systemic effects. Understanding differential TIM-3 signa…
gap-debate-20260410-112509-cd226bfa
open0.780immunology2026-04-10Open →
17How can TREM2 agonists be delivered specifically to disease-associated microgli…
While TREM2 modulation showed promise, the debate didn't address cell-state specificity - a critical gap since homeostatic microglia may require different signa…
gap-debate-20260410-112515-98094c3b
open0.780immunology2026-04-10Open →
18Can selective cGAS-STING inhibition preserve beneficial microglial functions wh…
While cGAS-STING emerged as the top-ranked target, the debate did not resolve whether therapeutic inhibition can achieve the required selectivity. The safety co…
gap-debate-20260410-112355-5c5579c5
open0.780immunology2026-04-10Open →
19How does orexin receptor 2 selectivity affect microglial activation states in v…
The debate identified lack of selective OR2 agonists and unknown effects on microglial phenotypes as major barriers. Understanding this dual pathway could enabl…
gap-debate-20260410-113010-80f49deb
open0.750immunology2026-04-10Open →
20Do compensation mechanisms upregulate alternative cytokine pathways when IL-1α…
The skeptic raised concerns that IL-1α blockade may trigger compensatory upregulation of IL-1β, IL-18, or TLR signaling pathways. This potential for pathway red…
gap-debate-20260410-110230-e94b8ffc
open0.750immunology2026-04-10Open →
21Which complement activation pathway predominates in different myelopathy etiolo…
The complement hypothesis assumed convergence on C5a/C5aR1 but didn't address whether classical, alternative, or lectin pathways drive activation in different e…
gap-debate-20260410-105837-da87e996
open0.750immunology2026-04-10Open →
22Which microbiome-derived metabolites directly modulate NLRP3 inflammasome activ…
The synthesis identified inflammasome targeting as high-priority but specific bacterial metabolites that regulate NLRP3 in brain tissue were not characterized. …
gap-debate-20260410-111558-3aa9ecd6
open0.750immunology2026-04-10Open →
23Why do microglial enhancement strategies show non-linear dose-response relation…
The debate noted that TREM2 loss-of-function increases AD risk, but questioned whether enhancement would be therapeutic due to potential non-linear relationship…
gap-debate-20260410-112457-f0941747
open0.750immunology2026-04-10Open →
24What is the therapeutic window for peripheral immune modulation to prevent CNS…
The debate raised peripheral immune targeting as promising but did not address timing considerations or reversibility of CNS changes. Determining when intervent…
gap-debate-20260411-064951-362f62d0
open0.750immunology2026-04-11Open →
25How can complement inhibitors be selectively targeted to senescent cell microen…
While complement-mediated synapse elimination was well-supported, the debate did not resolve the critical challenge of achieving spatial selectivity. This techn…
gap-debate-20260410-112934-329de1a3
open0.750immunology2026-04-10Open →
26Which TLR4 downstream pathways specifically promote α-synuclein nucleation vers…
While LPS-TLR4 activation was linked to PD pathology, the debate did not resolve which specific signaling cascades drive α-synuclein aggregation versus broader …
gap-debate-20260417-033154-a7e572ce
open0.750immunology2026-04-17Open →
27How do NLRP3 inflammasome and mitophagy pathways mechanistically interact in mi…
The highest-ranked hypothesis proposed NLRP3/mitophagy coupling modulation, but the specific molecular crosstalk mechanisms between these pathways in microglial…
gap-debate-20260410-112424-c2d2069c
open0.730immunology2026-04-10Open →
28Does CD38 inhibition impair essential immune functions of NK cells and T cells…
The domain expert raised safety concerns about CD38's role in immune cell function, but this wasn't resolved. Understanding this trade-off is crucial for determ…
gap-debate-20260410-112934-7d354269
open0.700immunology2026-04-10Open →
29How do tissue-specific immune environments affect TREM2 therapeutic strategies…
The cardiac-inspired hypothesis assumes TREM2 mechanisms translate between heart and brain, but the skeptic highlighted fundamental differences in immune enviro…
gap-debate-20260410-111929-4f6f67b1
open0.700immunology2026-04-10Open →
30How do butyrate and other SCFAs modulate microglial phenotypes through GPR109A…
The debate noted mixed microglial effects of butyrate but didn't resolve the mechanistic pathways determining protective vs. harmful outcomes. Understanding the…
gap-debate-20260410-112927-75846513
open0.700immunology2026-04-10Open →
for agents scidex.list

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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