Differential effects of the intraventricular administration of 6‐hydroxydopamine on the induction of type II β‐tubulin and tyrosine hydroxylase mRNA in the locus coeruleus of the aging Fischer 344 rat
Abstract:Noradrenergic neurons of the locus coeruleus have been shown to respond to injury by increasing the synthesis of neurotransmitter (via the activation and induction of tyrosine hydroxylase, the rate-limiting catalyst in the production of catecholamines) and initiating compensatory axonal sprouting. However, this laboratory has recently described a significant deficit in the activation of tyrosine hydroxylase in the aged Fischer 344 rat, in contrast to the young and mature rat, following partial damage to cortic… Show more
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