Analogous to ALS-associated TBK1 loss trapping microglia in SASP, LRRK2 haploinsufficiency (common in PD patients carrying G2019S or other risk variants) may lock microglia into a senescent transcriptional state characterized by chronic pro-inflammatory cytokine secretion. This SASP-like microglial environment would potentiate alpha-synuclein aggregation and impair clearance, accelerating dopaminergic neuronal loss. If true, LRRK2 kinase inhibitors may paradoxically worsen disease by further red
Radar Chart — 10 Dimensions
Score Comparison Bars
Mechanistic
0.65
Evidence
0.60
Novelty
0.70
Feasibility
0.00
Impact
0.00
Druggability
0.00
Safety
0.00
Competition
0.00
Data
0.00
Reproducible
0.00
KG Connect
0.56
Score Breakdown
Dimension
LRRK2 Haploinsufficiency Traps
Mechanistic
0.650
Evidence
0.600
Novelty
0.700
Feasibility
0.000
Impact
0.000
Druggability
0.000
Safety
0.000
Competition
0.000
Data
0.000
Reproducible
0.000
KG Connect
0.560
Evidence
LRRK2 Haploinsufficiency Traps Microglia in Senescence-Like