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  • Title: Changes in choline acetyltransferase immunoreactivity and the number of immunoreactive fibers remaining after lesions to the magnocellular basal nucleus of rats.
    Author: Ojima H, Sakurai T, Yamasaki T.
    Journal: Neurosci Lett; 1988 Dec 19; 95(1-3):31-6. PubMed ID: 3226618.
    Abstract:
    Electrolytic and kainic acid lesions of the magnocellular basal nucleus of rats caused a homogeneous reduction in the density of choline acetyltransferase (ChAT)-immunoreactive fibers in the frontal and parietal cortices. ChAT immunoreactivity of the remaining fibers after unilateral lesions was increased ipsilaterally within the deafferentated areas. The number of intact immunoreactive fibers was consistently low through the period from 7 days to 6 months after the lesion. A previous finding that biochemically measured ChAT activity in the lesioned side recovered to the contralateral level should be interpreted as an increase in the content of ChAT in terminal axons rather than fiber sprouting.
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