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Central Plasticity of Cutaneous Afferents Is Associated with Nociceptive Hyperreflexia after Spinal Cord Injury in Rats
المؤلفون المشاركون
Lee, Hyun Joon
Malone, Patrick S.
Chung, Jumi
White, Jason M.
Wilson, Natalee
Tidwell, Jason
Tansey, Keith E.
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-15، 15ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-11-19
دولة النشر
مصر
عدد الصفحات
15
التخصصات الرئيسية
الملخص EN
Electrical stimulations of dorsal cutaneous nerves (DCNs) at each lumbothoracic spinal level produce the bilateral cutaneus trunci muscle (CTM) reflex responses which consist of two temporal components: an early and late responses purportedly mediated by Aδ and C fibers, respectively.
We have previously reported central projections of DCN A and C fibers and demonstrated that different projection patterns of those afferent types contributed to the somatotopic organization of CTM reflex responses.
Unilateral hemisection spinal cord injury (SCI) was made at T10 spinal segments to investigate the plasticity of early and late CTM responses 6 weeks after injury.
Both early and late responses were drastically increased in response to both ipsi- and contralateral DCN stimulations both above (T6 and T8) and below (T12 and L1) the levels of injury demonstrating that nociceptive hyperreflexia developed at 6 weeks following hemisection SCI.
We also found that DCN A and C fibers centrally sprouted, expanded their projection areas, and increased synaptic terminations in both T7 and T13, which correlated with the size of hemisection injury.
These data demonstrate that central sprouting of cutaneous afferents away from the site of injury is closely associated with enhanced responses of intraspinal signal processing potentially contributing to nociceptive hyperreflexia following SCI.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Lee, Hyun Joon& Malone, Patrick S.& Chung, Jumi& White, Jason M.& Wilson, Natalee& Tidwell, Jason…[et al.]. 2019. Central Plasticity of Cutaneous Afferents Is Associated with Nociceptive Hyperreflexia after Spinal Cord Injury in Rats. Neural Plasticity،Vol. 2019, no. 2019, pp.1-15.
https://search.emarefa.net/detail/BIM-1201506
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Lee, Hyun Joon…[et al.]. Central Plasticity of Cutaneous Afferents Is Associated with Nociceptive Hyperreflexia after Spinal Cord Injury in Rats. Neural Plasticity No. 2019 (2019), pp.1-15.
https://search.emarefa.net/detail/BIM-1201506
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Lee, Hyun Joon& Malone, Patrick S.& Chung, Jumi& White, Jason M.& Wilson, Natalee& Tidwell, Jason…[et al.]. Central Plasticity of Cutaneous Afferents Is Associated with Nociceptive Hyperreflexia after Spinal Cord Injury in Rats. Neural Plasticity. 2019. Vol. 2019, no. 2019, pp.1-15.
https://search.emarefa.net/detail/BIM-1201506
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1201506
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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