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J Chem Neuroanat. 1997 Dec;14(1):1-19.

Types of neurons, synaptic connections and chemical characteristics of cells immunoreactive for calbindin-D28K, parvalbumin and calretinin in the neocortex.

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1
Instituto Cajal (CSIC), Madrid, Spain. defelipe@cajal.csic.es

Abstract

This article provides a general account of types of neurons, synaptic connections and chemical characteristics (colocalization studies) of cells immunoreactive for the three main calcium-binding proteins found in the neocortex, namely, calbindin-D28K, parvalbumin and calretinin. The main conclusion is two-fold. First, all, or the majority, of calbindin-, parvalbumin- and calretinin-immunoreactive cells are smooth nonpyramidal neurons (interneurons) which participate in a variety of complex cortical circuits that may differ depending on the species, cortical area or layer where they are located. Second, in general, different types of nonpyramidal neurons are stained for each of these calcium-binding proteins and display different chemical characteristics regarding a variety of neurotransmitters (or related compounds), cell surface markers and receptors. However, a certain overlap exits, which also shows regional and species differences.

PMID:
9498163
[Indexed for MEDLINE]
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