ArticleActa physiologica (Oxford, England)2025
Postnatal development of vasoactive intestinal polypeptide-expressing GABAergic interneurons in mouse somatosensory cortex.
Article in Acta physiologica (Oxford, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Functional KCC2 expression marks an evolutionarily conserved population of early-maturing interneurons in the perinatal cortex.Nature communications · 2025Article
- Presynaptic maturation of inhibitory connections onto vasoactive intestinal polypeptide-expressing GABAergic interneurons in the mouse barrel field.Pflugers Archiv : European journal of physiology · 2025Article
- Postnatal development of vasoactive intestinal polypeptide-expressing GABAergic interneurons in mouse somatosensory cortex.Acta physiologica (Oxford, England) · 2025Article
- Early postnatal exposure to bicuculline modulates E/I balance and induces ASD-like behavioral phenotypes in mice.Animal cells and systems · 2025Article
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3 authors.
Funding
Abstract
aimDespite dysfunctional vasoactive intestinal polypeptide-positive interneurons (VIP-INs) being linked to the emergence of neurodevelopmental disorders, the temporal profile of VIP-IN functional maturation and cortical network integration remains unclear.
methodsPostnatal VIP-IN development was traced with patch clamp experiments in the somatosensory cortex of Vip-IRES-cre x tdTomato mice. Age groups were chosen during barrel field formation, before and after activation of main sensory inputs, and in adult animals (postnatal days (P) P3-4, P8-10, P14-16, and P30-36).
resultsChanges in passive and active membrane properties show a maturation towards accelerated signal integrations. Excitatory and inhibitory postsynaptic currents (EPSCs and IPSCs) showed progressive VIP-IN integration into cortical networks, likely via synaptogenesis: mEPSC frequency increased before P8-10, while mIPSC frequency increased at P14-16. Only mIPSC kinetics became accelerated, and the E/I ratio of synaptic inputs, defined as a ratio of mEPSC to mIPSC charge transfer, remained constant throughout the investigated developmental stages. Evoked (e)EPSCs and (e)IPSCs showed increased amplitudes, while only eIPSCs demonstrated faster kinetics. eEPSCs and eIPSCs revealed a paired-pulse facilitation by P14-16, indicating probably a decrease in the presynaptic release probability (p
conclusionsVIP-INs mature towards faster signal integration and pursue different strategies to avoid overexcitation. Excitatory and inhibitory synaptic transmission become stronger and shorter via different pre- and postsynaptic alterations, likely promoting the execution of active whisking.
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