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What upstream mechanisms cause TDP-43 to trigger mPTP opening and can this be therapeutically targeted?

PARTIALLY ADDRESSED

While the study demonstrates TDP-43 triggers mPTP-mediated mtDNA release, the molecular mechanism by which TDP-43 pathology leads to mPTP opening is not explained. Identifying this upstream trigger could reveal more proximal therapeutic targets than downstream cGAS/STING inhibition. Gap type: unexplained_observation Source paper: TDP-43 Triggers Mitochondrial DNA Release via mPTP to Activate cGAS/STING in ALS. (2020, Cell, PMID:33031745)

Priority: 0.79 Domain: neurodegeneration Hypotheses: 0
📊 Landscape Analysis

Landscape Summary: What upstream mechanisms cause TDP-43 to trigger mPTP opening and can this be therapeutically targeted? is a 0.79 priority gap in neurodegeneration. It has 0 linked hypotheses with average composite score 0.000. Status: partially_addressed.

Key Unanswered Questions

Key Researchers

Colonna, Sevlever, et al. (TREM2 biology)

Clinical Trials

What upstream mechanisms cause TDP-43 to trigger mPTP opening and can this be therapeutically targeted? — INVOKE-2 (completed)

📈 Living Dashboards
0
Hypotheses
0.000
Top Score
0.000
Avg Score
0
Debates
0.00
Avg Quality
60%
Resolution
0
Mechanistic Families
Gap Resolution Progress60%

Hypothesis Score Distribution

🏆 Competing Hypotheses (Ranked by Score)

No hypotheses linked to this gap yet.

🌊 Knowledge Graph Connections

activates (1)

STEM CELLS→TDP-43

associated with (7)

TARDBP→TDP-43TDP-43→Frontotemporal Lobar DegenerationTDP-43→FTLD-TDPTDP-43→ALS/FTLDTDP-43→Ad
▸ Show 2 more

binds (5)

TDP-43→LDLRTDP-43→SREBF2TDP-43→HMGCRTDP-43→HMGCS1TDP-43→UG-rich RNA sequences

biomarker for (1)

TDP-43→frontotemporal lobar degeneration

causes (5)

TDP-43→AGGREGATIONTDP-43→Frontotemporal DementiaTDP-43→RNA DysregulationTDP-43→Nuclear DepletionTDP-43→Cytoplasmic Aggregation

conjugates (1)

SUMO2/3→TDP-43

inhibits (3)

TDP-43→Cryptic Exon SplicingTDP-43→UNC13ATDP-43→Cryptic Exon Inclusion

interacts with (6)

entities-histone-modifications→TDP-43entities-mitochondrial-dynamics→TDP-43TREM2→TDP-43NEURON→TDP-43TAU→TDP-43
▸ Show 1 more

involved in (5)

TDP-43→Nuclear CondensationTDP-43→Tdp-43 ProteinopathiesStress Granules→TDP-43TDP-43→AggregationTDP-43→RNA Splicing

phosphorylates (1)

p38α MAPK→TDP-43

regulates (15)

TDP-43→RNA bindingTDP-43→STABILITYTDP-43→oligomerizationTDP-43→NEAT1TDP-43→Cryptic Splicing
▸ Show 10 more
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