Immunocytochemical localization of calretinin in the olfactory system of the adult lamprey, Lampetra fluviatilis

Brain Research Bulletin
M A PombalM Megías

Abstract

The distribution of calretinin immunoreactive (CR-ir) structures in the adult lamprey (Lampetra fluviatilis) olfactory system was studied by using immunocytochemical techniques. In the olfactory epithelium, a subpopulation of olfactory receptor cells was CR-ir. In the olfactory bulbs, three different cell populations were observed. Large CR-ir cells (mitral cells) were located medially to the olfactory glomeruli and occasionally between them. In the inner cellular layer, two types of CR-ir perikarya were found: numerous small CR-ir cells (granule cells) and some medium-sized CR-ir cells (putative displaced periglomerular cells). In addition, different intensities of CR-ir fibers were present in particular rootlets of the olfactory nerves, as well as in particular glomeruli. The presence of CR-ir cells and fibers in all layers of the lamprey olfactory bulbs supports the idea that this protein is present in pathways underlying the processing of sensory information throughout evolution.

References

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Citations

Jan 5, 2008·Journal of Anatomy·M B LevantiJ A Vega
Dec 17, 2011·The Journal of Comparative Neurology·Patricia GrañaJulián Yáñez
Jan 9, 2013·The Journal of Comparative Neurology·Patricia GrañaJulián Yáñez
Dec 9, 2004·The Journal of Veterinary Medical Science·Shouichiro SaitoKazuyuki Taniguchi
Mar 10, 2018·The Journal of Comparative Neurology·Ruth MoronaAgustín González
Aug 20, 2003·The Journal of Comparative Neurology·Andrea FrontiniBarbara S Zielinski
Feb 17, 2007·Journal of Neurophysiology·Kazuya SaitohSten Grillner

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