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Barbara Ciralli

As seen in: Wiley Online Library, BioRxiv
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Articles

Layer‐Specific Connectivity and Functional Interference of Chrna2+ Layer 5 Martinotti Cells in the Primary Motor Cortex

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By Anna Velica, Katharina Henriksson, Thawann Malfatti, Barbara Ciralli
| Wiley Online Library Verified
GABA anti-gamma-aminobutyric acid TVA avian tumor virus receptor A BG basal ganglia Chrna2 cholinergic receptor nicotinic alpha 2 subunit ChAT choline acetyltransferase CLZ clozapine CC contralateral cortex DREADD designer receptor exclusively activated by designer drugs DV dorsoventral GPe globus pallidus externa GFP green fluorescent protein HPF hippocampal formation hM3Dq human muscarinic 3 designer receptor hM4Di human muscarinic 4 designer receptor IHC Immunohistochemical staining Mα2...
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Increased layer 5 Martinotti cell excitation reduces pyramidal cell population plasticity and improves motor execution

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By Thawann Malfatti, Anna Velica, Jessica Winne, Barbara Ciralli
| BioRxiv
Abstract During motor activity and motor learning, pyramidal cells in the motor cortex receive inputs from local interneurons as well as deeper structures. Layer 5 pyramidal cells in the primary motor cortex then feed commands to spinal circuits for motor execution. The genetic ablation of layer 5 Chrna2 Martinotti cells, which selectively target pyramidal tract pyramidal cells, results in disturbed fine motor functions.
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Motor execution, but not learning, improves upon increased layer 5 specific Martinotti cell excitation

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By Anna Velica, Thawann Malfatti, Barbara Ciralli, Jessica Winne
| BioRxiv
Abstract During motor activity and motor learning, pyramidal cells in the motor cortex receive inputs from local interneurons as well as deeper structures. Layer 5 pyramidal tract pyramidal cells in the primary motor cortex then feed commands to spinal circuits for motor execution. Using monosynaptic retrograde viral tracing, we show that layer 5 Chrna2 Martinotti cells, which selectively target pyramidal tract pyramidal cells, receive direct input from thalamic and cholinergic nuclei.
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