کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9110899 | 1155376 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Exogenous interleukin-6 increases cold allodynia in rats with a mononeuropathy
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
علوم غدد
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چکیده انگلیسی
Interleukin-6 (IL-6) is a pleiotropic cytokine, signaling intracellularly via its unique membrane-bound receptor IL-6R and gp130. In peripheral nerve injury models, IL-6 and IL-6R are increased at the injured nerve and the respective dorsal root ganglion. IL-6 is increased at the ipsilateral dorsal and ventral horn of the spinal cord. IL-6 is known to affect neuronal survival, differentiation and regeneration. It is involved in synaptic plasticity and hyperexitability and induces the synthesis or release of other substances with known neuroprotective or neuromodulatory effects. In this study, intrathecal administration of recombinant rat IL-6 to rats with a chronic constriction injury of the sciatic nerve, induced a logarithmic dose-dependent increase in cold allodynia with a threshold of 10Â pg IL-6 and a maximal effect at 100Â ng IL-6. Intrathecal administration of saline or denaturated IL-6 was without effect. In rats with a chronic constriction injury, systemic administered IL-6 did not induce a hyperalgesic effect, illustrating that IL-6 acts at the level of the dorsal root ganglion or the spinal cord. Intraplantar injection of 100Â ng IL-6 in the operated hind paw resulted in an increased cold allodynia. This study demonstrates that the sensitivity to exogenous intrathecal or peripheral IL-6 increases in rats with a mononeuropathy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cytokine - Volume 30, Issue 4, 21 May 2005, Pages 154-159
Journal: Cytokine - Volume 30, Issue 4, 21 May 2005, Pages 154-159
نویسندگان
Kris C. Vissers, Raf F. De Jongh, Vincent L. Hoffmann, Theo F. Meert,