M. Plaschke et al., SURVIVAL AND TRANSMITTER EXPRESSION OF RAT CHOLINERGIC MEDIAL SEPTAL NEURONS DESPITE REMOVAL OF HIPPOCAMPUS IN THE EARLY POSTNATAL-PERIOD, Neuroscience letters, 176(2), 1994, pp. 243-246
It has been shown that target-derived neurotrophins are not necessary
for the survival of septohippocampal cholinergic neurons in adult rats
. In this study, we have removed the hippocampus in early postnatal ra
ts by unilateral excitotoxic N-methyl-D-aspartate lesions at postnatal
days 5, 10 and 20. At postnatal day 70, numerous cholinergic neurons
(60% of controls) were present in the medial septum on the lesioned si
de. This suggests that there is only a limited influence of target-der
ived neurotrophic factors to these cells also in development.