Differential innervation of parvalbumin-immunoreactive interneurons of the basolateral amygdaloid complex by cortical and intrinsic inputs

In the basolateral (BL) amygdaloid complex, the excitability of projection cells is regulated by intrinsic inhibitory interneurons using γ‐aminobutyric acid (GABA) as a transmitter. A subset of these cells are labeled in a Golgi‐like manner by Parvalbumin (PV) immunohistochemistry. Recently, we have...

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Veröffentlicht in:	Journal of comparative neurology (1911) 2000-01, Vol.416 (4), p.496-508
Hauptverfasser:	Smith, Yoland, Paré, Jean-François, Paré, Denis
Format:	Artikel
Sprache:	eng
Schlagworte:	amygdala Amygdala - cytology Amygdala - metabolism Amygdala - physiology Animals Cats - physiology Cerebral Cortex - physiology electron microscopy GABA Immunologic Techniques Interneurons - metabolism Interneurons - physiology local-circuit cell Microscopy, Electron Nerve Endings - physiology Neural Pathways - physiology Parvalbumins - metabolism Tissue Distribution tract-tracing
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Zusammenfassung:	In the basolateral (BL) amygdaloid complex, the excitability of projection cells is regulated by intrinsic inhibitory interneurons using γ‐aminobutyric acid (GABA) as a transmitter. A subset of these cells are labeled in a Golgi‐like manner by Parvalbumin (PV) immunohistochemistry. Recently, we have shown that the overwhelming majority of axon terminals contacting these PV‐immunoreactive neurons form asymmetric synapses. The present study was undertaken to identify the source(s) of these inputs. Since previous work had revealed that thalamic axons form very few synapses on BL interneurons (
ISSN:	0021-9967 1096-9861
DOI:	10.1002/(SICI)1096-9861(20000124)416:4<496::AID-CNE6>3.0.CO;2-N