Neuroprotective and anti-neuropathic actions of pulsed magnetic fields with low frequencies in rats with chronic peripheral neuropathic pain

被引:12
作者
Mert, Tufan [1 ]
Metin, Tuba Ozcan [2 ]
Sahin, Emel [3 ]
Yaman, Selma [4 ]
Sahin, Mehmet [3 ]
机构
[1] Usak Univ, Fac Med, Dept Biophys, TR-64300 Usak, Turkey
[2] Kahramanmaras Sutcu Imam Univ, Fac Med, Dept Histol & Embryol, Kahramanmaras, Turkey
[3] Gaziantep Univ, Fac Med, Dept Med Biol, Gaziantep, Turkey
[4] Kahramanmaras Sutcu Imam Univ, Fac Med, Dept Biophys, Kahramanmaras, Turkey
关键词
Pulsed magnetic field; Chronic constriction injury; Neuropathic pain; Neuroinflammation; Neuroangiogenesis; Rats; CENTRAL SENSITIZATION; SCIATIC-NERVE; IMMUNE CELLS; RECEPTOR; CONSTRICTION; CYTOKINES; NEURONS; VEGF;
D O I
10.1016/j.brainresbull.2021.10.012
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The management of chronic peripheral neuropathic pain conditions with conventional treatments is still limited. In this present study, we aimed to determine the anti-neuropathic actions of pulsed magnetic field (PMF) treatments as a therapeutic. Effects of daily PMF treatments for 4 weeks were investigated by examining pain behaviors, hyperalgesia and allodynia, electrophysiological parameters, amplitude of compound action potential (CAP) and sciatic nerve conduction velocity (SNCV) and histopathological changes in rats with chronic constriction injury (CCI). Peripheral and central pro-inflammatory cytokines (TNF alpha, IL-113 and IL-17), chemokines (CCL3 and CXCL1) and angiogenic factors (VEGF and bFGF) in sciatic nerves and spinal cord tissues were also measured for determining the possible molecular action mechanisms of PMF treatment. Hyperalgesia and allodynia were observed at the first week and lasted for 4 weeks after CCI. PMF treatments caused timedependent anti-hyperalgesic and anti-allodynic effects. PMF treatment alleviated the histopathological consequences of CCI on sciatic nerve and significantly improved the amplitude of the CAP and SNCV. PMF treatment inhibited the pro-inflammatory molecules and promoted the anti-inflammatory cytokines in neural tissues. PMF treatment also suppressed the VEGF levels and enhanced the bFGF levels in both neural tissues. The results of the present study suggested that daily PMF treatment may have neuroprotective and anti-neuropathic pain actions in rats with CCI-induced neuropathy due to its modulating effects on neuro-inflammatory and neuro-angiogenic mediators in central and peripheral neural tissues.
引用
收藏
页码:273 / 281
页数:9
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