The abstract indicates SPP1 upregulation occurs in perivascular macrophages and fibroblasts in presence of amyloid-β oligomers, but the sensing mechanisms and signaling pathways that trigger this response are not explained. This gap limits understanding of early disease triggers and potential intervention points. Gap type: unexplained_observation Source paper: Perivascular cells induce microglial phagocytic states and synaptic engulfment via SPP1 in mouse models of Alzheimer's disease. (2023, Nat Neurosci, PMID:36747024)
Landscape Summary: How do perivascular cells specifically recognize and respond to amyloid-β to upregulate SPP1 expression? is a 0.85 priority gap in neurodegeneration. It has 0 linked hypotheses with average composite score 0.000. Status: partially_addressed.
Colonna, Sevlever, et al. (TREM2 biology)
How do perivascular cells specifically recognize and respond to amyloid-β to upregulate SPP1 expression? — INVOKE-2 (completed)
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