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Involvement of NGF in the Rat Model of Persistent Muscle Pain Associated With Taut Band
http://hdl.handle.net/2297/28500
http://hdl.handle.net/2297/28500d00a6147-7562-44c4-b26b-0662d7b21c6c
名前 / ファイル | ライセンス | アクション |
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ME-PR-OZAKI-N-1059.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Involvement of NGF in the Rat Model of Persistent Muscle Pain Associated With Taut Band | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Li, Jun
× Li, Jun× Yi, Shuang-Qin× Wang, Heng-Xiao× Yi, Nozomi× Ogawa, Yuki× Ozaki, Noriyuki× Itoh, Masahiro |
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書誌情報 |
Journal of Pain 巻 12, 号 10, p. 1059-1068, 発行日 2011-10-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1526-5900 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11434336 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.jpain.2011.04.010 | |||||
出版者 | ||||||
出版者 | Churchill Livingstone / American Pain Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Myofascial pain syndrome (MPS) is an important clinical condition characterized by chronic muscle pain and a myofascial trigger point (MTrP) located in a taut band (TB). However, its pathogenic mechanism is still unclear. We developed an animal model relevant to conditions of MPS, and analyzed the mechanism of the muscle pain in this model. We applied eccentric contraction (EC) to a rat's gastrocnemius muscle (GM) for 2 weeks, and examined the mechanical withdrawal thresholds, histological changes, and expressions and contents of nerve growth factor (NGF). The mechanical withdrawal threshold decreased significantly at the next day of first EC and continued up to 9 days after EC. TBs were palpable at 3 to 8 days after initiation of EC. In EC animals, necrotic and regenerating muscle cells were found significantly more than in control animals. In EC animals, NGF expressions in regenerating muscle cells and NGF contents of GM were significantly higher than control animals. Administration of NGF receptor (TrkA) inhibitor K252a showed significant suppression of mechanical hyperalgesia in EC animals. Repeated EC induced persistent mechanical muscle hyperalgesia associated with TB. NGF expressed in regenerating muscle cells may have an important role in persistent mechanical muscle hyperalgesia which might be relevant to pathogenesis of MPS. Perspective: The present study shows that NGF expressed in regenerating muscle cells is involved in persistent muscular mechanical hyperalgesia. NGF-TrkA signaling in primary muscle afferent neurons may be one of the most important and promising targets for MPS. © 2011 American Pain Society. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |