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Coupling of c-fos expression in the spinal cord and amygdala induced by dorsal neck muscles fatigue
Department of Movement Physiology, Bogomoletz Institute of Physiology, National Academy of Sciences, Kiev, Ukraine.
Department of Movement Physiology, Bogomoletz Institute of Physiology, National Academy of Sciences, Kiev, Ukraine.
Department of Movement Physiology, Bogomoletz Institute of Physiology, National Academy of Sciences, Kiev, Ukraine.
University of Gävle, Centre for Musculoskeletal Research.
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2007 (English)In: Histochemistry and Cell Biology, ISSN 0948-6143, E-ISSN 1432-119X, Vol. 128, no 1, 85-90 p.Article in journal (Refereed) Published
Abstract [en]

c-fos gene expression in the cervical spinal cord and amygdala was examined in anaesthetized rats following muscle fatigue caused by intermittent high-rate (100 s(-1)) electrical stimulation of the dorsal neck muscles (m. trapezius and m. splenius). Fatigue-related increases in c-fos expression were observed on the stimulated muscle side in the cervical C2-C4 (layers 1, 3-5, 7 and 10) spinal segments, bilaterally in the lumbar L4-L6 (layer 1) segments and in contralateral central (Ce), medial (Me), and basomedial (BM) amygdaloid nuclei. A scarce number of staining cells were found within lateral and basolateral nuclei. The rostro-caudal extent of c-fos expression in the spinal cord supports functional coupling of the cervical and lumbar regions during the neck muscle fatigue development. The distinct c-fos expression in the Ce and Me amygdaloid nuclei suggests that they may contribute to mediating the neck muscle fatigue-related nociception, autonomic and behavioural responses.

Place, publisher, year, edition, pages
2007. Vol. 128, no 1, 85-90 p.
Keyword [en]
neck muscle fatigue, c-fos expression, spinal cord, amygdala, rat
National Category
Environmental Health and Occupational Health
Identifiers
URN: urn:nbn:se:hig:diva-22661DOI: 10.1007/s00418-007-0292-8ISI: 000247427300009PubMedID: 17525853Scopus ID: 2-s2.0-34250795658OAI: oai:DiVA.org:hig-22661DiVA: diva2:1040210
Available from: 2016-10-26 Created: 2016-10-26 Last updated: 2016-10-31Bibliographically approved

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CiteExportLink to record
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Citation style
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