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Immunocytochemical localization of enkephalin in the lateral septum of the guinea-pig brain

A light- and electron-microscopic study

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Summary

By the use of antisera to met-enkephalin and leu-enkephalin, enkephalin-containing structures were visualized in the lateral septum of the guinea-pig brain. The present results do not reveal immunoreactive perikarya in this area. The immunostaining is exclusively located in numerous nerve fibers and endings mostly encompassing neuronal perikarya, which accounts for the fact that at the light-microscopic level cellular somata appear to be immunostained. The immunoreactive terminals and fibers contain granules approximately 110nm in diameter and synaptic vesicles. The origin and the functional role of these numerous enkephalin terminals remain to be established.

This work was supported by a grant from INSERM N∘ 804012

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Authors and Affiliations

  1. U 156 INSERM, Lille, France

    J. C. Beauvillain, P. Poulain & G. Tramu

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  1. J. C. Beauvillain
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  2. P. Poulain
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  3. G. Tramu
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The authors wish to thank M. Hurt for his help in the drafting of the manuscript and E. Fremaux for typing the text

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Beauvillain, J.C., Poulain, P. & Tramu, G. Immunocytochemical localization of enkephalin in the lateral septum of the guinea-pig brain. Cell Tissue Res. 228, 265–276 (1983). https://doi.org/10.1007/BF00204878

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