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  • Title: Leukemia inhibitory factor maintains choline acetyltransferase expression in vivo.
    Author: Cheema SS, Arumugam D, Murray SS, Bartlett PF.
    Journal: Neuroreport; 1998 Feb 16; 9(3):363-6. PubMed ID: 9512372.
    Abstract:
    Following axotomy most medial septal neurons in the adult rat brain have dramatically reduced numbers of choline acetyltransferase (ChAT) positive neurons. Since leukemia inhibitory factor (LIF) promotes cholinergic expression in several neuronal populations, the aim of this study was to determine if LIF would continue to support cholinergic expression in axotomized medial septal neurons. Mini-osmotic pumps were used to infuse saline or LIF into the lateral cerebral ventricle. Counts of ChAT and low-affinity nerve growth factor (p75NGFR) immunostained neurons indicated that LIF-treated animals retained ChAT expression in > 90% of axotomized neurons whereas in saline-infused animals this was < 30%. Also, LIF was equally effective in maintaining p75NGFR expression levels in axotomized medial septal neurons.
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