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This paper addresses the question of a general topological principle of thalamo-cortical projections. In the lissencephalic primate brain of the common marmoset (Callithrix jacchus), large injections of horseradish peroxidase were made in various parts of the neocortex. These injections were placed in different animals and hemispheres along various(More)
The distribution of mRNA expression for three types of voltage gated neuronal sodium-channels was studied in the rat brain at different developmental stages (embryonal day E18, postnatal day P5 and adult). With the in-situ hybridization technique, using synthetic DNA-oligomer probes, pronounced regional and temporal variations in the expression levels of(More)
Light-induced phase shifts of circadian rhythmic locomotor activity are associated with the expression of c-Jun, JunB, c-Fos and FosB transcription factors in the rat suprachiasmatic nucleus, as shown in the present study. In order to explore the importance of c-Fos and JunB, the predominantly expressed AP-1 proteins for the phase-shifting effects of light,(More)
The localization of PKC gamma mRNA expression during the maturation of rat cerebellum has been studied by in situ hybridization. We found a transient expression over the granule cell layer and persistent high expression in the Purkinje cells during postnatal development. Expression in granule cells appeared as early as postnatal day 5 over the external(More)
Changes in the distribution pattern of mRNA encoding the zif268 transcription factor (also referred to as NGFI-A, Krox-24 or EGR-1) were investigated by in situ hybridization histochemistry during postnatal rat brain development. Marked changes in zif268 expression patterns were seen in particular in the cerebral cortex and the hippocampal formation during(More)
Synapsin Ia, Ib, IIa, and IIb are neuronal phosphoproteins, which are supposed to play a role in the short-term regulation of neurotransmitter release. Besides a high degree of homology among the four synapsin subtypes, there are structural differences in the 3'end of their coding region. Here we present the first extensive study of the expression of their(More)
A rapid increase in ependymin mRNA expression demonstrated by semiquantitative in situ hybridization after avoidance conditioning on goldfish suggested a molecular demand for newly synthesized ependymin translation product. To inhibit de novo synthesis of ependymin molecules without interference with preexisting ones, 18 mer anti-ependymin(More)
Synapsin I is a synaptic phosphoprotein that is involved in the short-term regulation of neurotransmitter release. In this report we present the first extensive study of the developmental expression of its corresponding messenger ribonucleic acid (mRNA) by in situ hybridization and northern blot analysis in rat brain. Synapsin I mRNA showed pronounced(More)
1. To investigate the role of the Jun transcription factors in neuronal differentiation, programmed neuronal cell death, and neuronal plasticity, we used phosphorothioate oligodeoxynucleotides (S-ODN) to inhibit selectively the expression of c-Jun, JunB, and JunD. 2. We have shown previously that in contrast to c-Jun, the JunB and JunD transcription factors(More)
Hybridization studies revealed a differential accumulation of c-jun and jun B mRNA in the hippocampus and cerebral cortex of rats trained on a foot-shock-motivated brightness discrimination. Supposing that early gene expression is functionally significant for plastic changes in the brain, we used antisense phosphorothioate oligodeoxynucleotides (S-ODN) in(More)