Abstract:
:The neurotensin-containing projections from the retrosplenial cortex to the anterior ventral thalamus were demonstrated by electrolytic lesion studies and fluorescent retrograde tracing combined with immunocytochemistry. Three-to-five-day-old rats were used, because the immunoreactivity of neurotensin fibers in anterior ventral thalamus was the highest at this age. When neurotensin-containing neurons located in layer VI of the retrosplenial cortex were unilaterally destroyed by applying an electrolytic current to the retrosplenial area, the neurotensin fibers in the ipsilateral anterior ventral thalamus decreased dramatically. Unilateral injection of a fluorescent retrograde tracer, Fast Blue, into the anterior ventral thalamus, labeled neurons in the ipsilateral retrosplenial cortex, and many of these cells also had neurotensin-like immunoreactivity. These results suggested that a major origin of the neurotensin fibers in the anterior ventral thalamus was in the ipsilateral retrosplenial granular cortex.
journal_name
Neurosciencejournal_title
Neuroscienceauthors
Fukami K,Kiyama H,Shiotani Y,Tohyama Mdoi
10.1016/0306-4522(88)90102-9subject
Has Abstractpub_date
1988-09-01 00:00:00pages
819-26issue
3eissn
0306-4522issn
1873-7544pii
0306-4522(88)90102-9journal_volume
26pub_type
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