Regular Spiking Basket Cells is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Regular spiking (RS) basket cells represent a major class of cortical GABAergic interneurons characterized by their adapting firing pattern and targeting of pyramidal neuron somata and proximal dendrites. They are distinct from fast-spiking (FS) basket cells in their electrophysiological properties and often express different molecular markers.
RS basket cells display:
- Perisomatic Targeting: Axons target pyramidal cell bodies
- Horizontal Axonal Arbors: Extensive horizontal axon in single layer
- Multiple Dendrites: Radially oriented dendrites
- Layer Distribution: Found in layers 2-6
RS basket cells exhibit:
- Regular Spiking: Adapting spike trains
- Accommodation: Firing rate decreases over time
- Broad Spikes: Longer duration action potentials
- Lower Firing Rates: Slower than fast-spiking cells
- Somatostatin (SST): Common marker
- NPY: Often co-expressed
- Calbindin: Some subtypes
- GABA: Primary neurotransmitter
- Control pyramidal neuron output
- Modulate spike timing
- Coordinate network activity
- Receive local pyramidal neuron input
- Provide layer-specific inhibition
- Regulate recurrent circuits
- Contribute to gamma oscillations
- Coordinate timing
- Support cognitive processes
- SST+ neuron populations affected
- Memory circuit implications
- Network dysfunction
- Perisomatic control lost in epilepsy
- Therapeutic target potential
- Circuit hyperexcitability
The study of Regular Spiking Basket Cells has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- Kawaguchi Y, et al. (1995). "Physiological diversity of neocortical interneurons." Journal of Neuroscience.
- Markram H, et al. (2004). "Interneurons of the neocortical inhibitory system." Nature Reviews Neuroscience.
- Freund TF, et al. (1996). "Synaptic organization of basket cells." Neuroscience.
- Gupta A, et al. (2000). "Classification of neocortical interneurons." Progress in Brain Research.
- Ascoli GA, et al. (2008). "Petilla Interneuron Nomenclature." Journal of Neuroscience.