The abstract is read at the publisher; the summary is JClub's.
In the 5xFAD mouse right hemisphere, VIP/Reln interneurons show the strongest disease-linked transcriptional disruption (289 downregulated genes) and the largest rolipram rescue.
- Why it matters: Cell-type-specific transcriptional programs driving Alzheimer’s-model synaptic and inhibitory circuit dysfunction—and rolipram’s effects—were previously uncharacterized.
- What they did: Using single-nucleus RNA-seq on 29,664 nuclei across WT/5xFAD and Vehicle/Rolipram (0.03 mg/kg/day for 30 days), the authors clustered 16 cell types and quantified log fold changes plus pathway and transcription factor activity.
- The result: Rolipram preferentially rescued VIP interneurons (72 true rescue genes) and astrocytes (42), and in 5xFAD VIP cells Pde7b was lowered (LFC -0.53) and restored (LFC +0.54) with CREB1 activity partially recovered.
The findingWhy it mattersWhat they didThe result
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