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Does LRRK2's role as a lysosomal volume sensor explain the pathogenic mechanism of disease-linked LRRK2 mutations?

PARTIALLY ADDRESSED

While the study establishes LRRK2 as a lysosomal swelling sensor and notes that lysosomal swelling occurs in LRRK2-linked diseases, it doesn't directly test whether pathogenic LRRK2 mutations alter this volume-sensing function. This connection is crucial for understanding how LRRK2 mutations cause Parkinson's disease and related disorders. Gap type: open_question Source paper: Lysosomal swelling triggers LRRK2 activity. (2026, bioRxiv : the preprint server for biology, PMID:41427358)

Priority: 0.88 Domain: neurodegeneration Hypotheses: 0
📊 Landscape Analysis

Landscape Summary: Does LRRK2's role as a lysosomal volume sensor explain the pathogenic mechanism of disease-linked LRRK2 mutations? is a 0.88 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

Does LRRK2's role as a lysosomal volume sensor explain the pathogenic mechanism of disease-linked LRRK2 mutations? — 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

associated with (12)

LRRK2→ParkinsonLRRK2→PARKINSON'S DISEASELRRK2→PARKINSONPARKINSON'S DISEASE→LRRK2LRRK2→PARKIN
▸ Show 7 more

binds (1)

GABARAP→LRRK2

causes (5)

LRRK2→ParkinsonLRRK2→Parkinson's DiseaseLRRK2→Parkinson DiseaseLRRK2→Parkinson'S DiseaseLRRK2→Paneth Cell Dysfunction

encodes (1)

LRRK2→LRRK2

expressed in (1)

LRRK2→Monocytes

implicated in (1)

LRRK2→Sporadic Parkinson'S Disease

inhibits (5)

LRRK2→Mitochondrial ProtectionLRRK2 kinase inhibitors→LRRK2LRRK2 Inhibitors→LRRK2LRRK2→NFE2L2PF-06447475→LRRK2

interacts with (2)

entities-histone-modifications→LRRK2LRRK2→RAB

involved in (1)

LRRK2→Kinase Activation

modulates (3)

LRRK2→Type I Interferon SignalingAlternative Polyadenylation→LRRK2LRRK2→Chaperone-Mediated Autophagy

operates in a common pathway with (1)

RAB29→LRRK2

phosphorylates (3)

LRRK2→Rab GTPasesLRRK2→RAB GTPASESLRRK2→Serine 1292 Autophosphorylation

recruits (1)

RAB29→LRRK2

reduces endogenous (1)

RAB29→LRRK2

regulates (5)

LRRK2→Autophagy ProcessLRRK2→MacroautophagyLRRK2→NRF2LRRK2→Autophagy-Lysosomal PathwayRAB29→LRRK2

risk factor for (1)

LRRK2→Parkinson Disease

targets (3)

BIIB094→LRRK2LRRK2→MLi-2LRRK2→RAB PROTEINS

therapeutic target (2)

LRRK2→ParkinsonLRRK2→Parkinson'S Disease

upregulates (1)

INTERFERON GAMMA→LRRK2
🕑 Activity Feed
✏ update on knowledge_gap by None 2026-04-25T22:15
✏ update on knowledge_gap by None 2026-04-16T16:45
✏ update on knowledge_gap by None 2026-04-16T16:45
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