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  • Title: Signals triggering the induction of leukemia inhibitory factor in sympathetic superior cervical ganglia and their nerve trunks after axonal injury.
    Author: Sun Y, Landis SC, Zigmond RE.
    Journal: Mol Cell Neurosci; 1996 Feb; 7(2):152-63. PubMed ID: 8731483.
    Abstract:
    Leukemia inhibitory factor (LIF) plays an important role in regulating neuropeptide expression in sympathetic and sensory neurons after axonal transection. By 2 h after axotomy, LIF mRNA increased in nonneuronal cells in sympathetic ganglia and peripheral nerve. In addition, within 1 h of explanting sympathetic ganglia or segments of sympathetic nerve trunks, a protein factor(s) that was able to induce LIF mRNA both in sympathetic cultures and in intact ganglia in vivo was released. This factor(s) appeared to be present in sympathetic ganglia and their nerve trunks under normal conditions and to be activated and/or released after axonal injury. Since the factor(s) has a molecular weight(s) greater than 66 kDa, and no other proteins of such high molecular weight have been previously identified with LIF-inducing activity, it appears to be a novel inducer of LIF.
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