Abstract
AbstractThe Purkinje cells of the cerebellar cortex and the cortical afferent and efferent projections are organized into parallel parasagittal zones. The parasagittal organization is clearly revealed by immunocytochemistry with a monoclonal antibody, mabQ113. The mabQ113 antigen is confined to a subset of Purkinje cells that are clustered together to form an elaborate, highly reproducible pattern of bands and patches, interspersed with similar mab‐Q113– regions. The mabQ113 + territories have been classified into seven parasagittal bands (P1 + ‐P7 +) in each hemicerebellum. The degree of correspondence between the compartments revealed by the anterograde labeling of the olivocerebellar projection and by mabQ113 immunocytochemistry has been explored in the adult rat. Horseradish peroxide‐wheat germ agglutinin conjugate was injected as an anterograde tracer into the inferior olivary complex. When the injection site did not encompass all the olive, an incomplete, patchy labeling of the molecular layer was seen in the cerebellar cortex. Labeled zones of the molecular layer were interrupted by unlabeled regions to give a pattern of parasagittal cortical bands. The positions of these bands were compared with the distribution of the mabQ113 + antigenic bands as seen on the two adjacent sections. Labeled climbing fibers were found to terminate on both mabQ113 + and mabQ113 ‐ Purkinje cell zones. The mabQ113 +/mabQ113‐ boundaries and the bands of climbing fibers seen by using the anterograde tracer typically coincide. The one consistent exception is the midline band of mabQ113 + Purkinje cells, P1 +.The normal olivocerebellar projection is exclusively contralateral and the climbing fiber projection to the paramedian vermis splits P1 + down the middle, implying that it consists of two adjacent mabQ113+ bands not separated by mabQ113‐territory. It is likely that the climbing fiber projection to the cerebellar cortex and the distribution of the two Purkinje cell phenotypes share a common compartmental organization.
Bibliography
Gravel, C., Eisenman, L. M., Sasseville, R., & Hawkes, R. (1987). Parasagittal organization of the rat cerebellar cortex: Direct correlation between antigenic purkinje cell bands revealed by mabQ113 and the organization of the olivocerebellar projection. Journal of Comparative Neurology, 265(2), 294â310. Portico.
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Jan. 1, 2005, 3:42 p.m.) |
Deposited | 1 year, 10 months ago (Oct. 22, 2023, 7:07 a.m.) |
Indexed | 4 days ago (Aug. 27, 2025, 11:45 a.m.) |
Issued | 37 years, 9 months ago (Nov. 8, 1987) |
Published | 37 years, 9 months ago (Nov. 8, 1987) |
Published Online | 20 years, 10 months ago (Oct. 9, 2004) |
Published Print | 37 years, 9 months ago (Nov. 8, 1987) |
@article{Gravel_1987, title={Parasagittal organization of the rat cerebellar cortex: Direct correlation between antigenic purkinje cell bands revealed by mabQ113 and the organization of the olivocerebellar projection}, volume={265}, ISSN={1096-9861}, url={http://dx.doi.org/10.1002/cne.902650211}, DOI={10.1002/cne.902650211}, number={2}, journal={Journal of Comparative Neurology}, publisher={Wiley}, author={Gravel, Claude and Eisenman, Leonard M. and Sasseville, Rachel and Hawkes, Richard}, year={1987}, month=nov, pages={294–310} }