期刊
FEBS LETTERS
卷 580, 期 18, 页码 4306-4310出版社
WILEY
DOI: 10.1016/j.febslet.2006.06.087
关键词
pain; neuropathic; microglia; neuron; fractalkine; minocycline
Fractalkine (FKN) evokes nociceptive behavior in naive rats, whereas minocycline attenuates pain acutely after neuronal injury. We show that, in naive rats, FKN causes hyper-responsiveness of lumbar wide dynamic range neurons to brush, pressure and pinch applied to the hindpaw. One day after spinal nerve ligation (SNL), minocycline attenuates after-discharge and responses to brush and pressure. In contrast, minocycline does not alter evoked neuronal responses 10 days after SNL or sciatic constriction, but increases spontaneous discharge. We speculate that microglia rapidly alter sensory neuronal activity in naive and neuropathic rats acutely, but not chronically, after injury. (c) 2006 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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