| 9503382 |
Kiss J, Csaki A, Bokor H, Kocsis K, Szeiffert G: Topographic localization of calretinin, calbindin, VIP, substance P, CCK and metabotropic glutamate receptor immunoreactive neurons in the supramammillary and related areas of the rat. Neurobiology. 1997;5(3):361-88.
A detailed description of the localization of neurons containing various neuropeptides in the supramammillary complex (SUM) is provided. Further, the neurochemical character of supramammillohippocampal and supramammilloseptal projecting neurons was investigated. The following experiments were performed: (a) immunocytochemistry for each of the eight different neuropeptides investigated, in animals pretreated or not with colchicine, and perfused in fixative containing or lacking acrolein; (b) a thorough mapping study of the localization of immunolabelled neurons at three rostrocaudal levels; (c) double-tracing retrograde labelling for two-directional neuronal projections combined with immunocytochemistry, to study neurochemical character of the projecting neurons. The observations are: (1) each type of immunolabelled elements, such as calretinin, calbindin, VIP, substance P, CCK and metabotropic glutamate receptor 1a immunopositive neurons has a characteristic localization; (2) no parvalbumin- and enkephalin-containing neurons are present in the SUM; and (3) a small population of calretinin-containing and a small number of calretinin-negative supramammillohippocampal neurons located in the lateral area also project to the medial septum-diagonal band region of the septal complex. |
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