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Titre
Neurocalcin immunoreactivity in the rato accessory olfactory bulb
Autor(es)
Sujet
Accessory olfactory system
Calcium-binding protein
Immunohistochemistry
Neurocalcin
Rat
Vomeronasal organ
Clasificación UNESCO
2490 Neurociencias
2490.02 Neuroquímica
Fecha de publicación
1996-08-05
Éditeur
Elsevier
Citación
Porteros A, Briñón JG, Crespo C, Okazaki K, Hidaka H, Aijón J, Alonso JR. Neurocalcin immunoreactivity in the rat accessory olfactory bulb. Brain Res. 1996 Aug 5;729(1):82-9
Resumen
The distribution and morphology of neurocalcin-immunopositive neurons have
been studied in the rat accessory olfactory bulb. Different subsets of neurons displaying neurocalcin-immunoreactivity were found in the glomerular layer, the
external plexiform layer and the internal plexiform layer. The most abundant staining was detected in the glomerular layer where neurocalcin-immunoreactive periglomerular cells and external tufted cells were observed in the lateral glomeruli, whereas the central region of this layer was practically devoid of immunopositive neurons. In the external plexiform layer, medial tufted cells and Van Gehuchten cells
displayed neurocalcin-immunoreactivity. In the internal plexiform layer, interneurons classified as horizontal cells and vertical cells of Cajal were neurocalcin-immunostained. The staining pattern for neurocalcin in the accessory olfactory bulb showed similarities with the immunostaining described in this brain region for another EF-hand calcium binding protein, calbindin D-28k. However, after double immunohistochemical labeling, colocalization of both proteins in the same neuron was not observed, reflecting a biochemical heterogeneity within morphologically homogeneous neuronal groups.
URI
DOI
http://dx.doi.org/10.1016/0006-8993(96)00416-7
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