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Injury and repair of the soleus muscle after electrical stimulation of the sciatic nerve in the rat

https://hiroshima.repo.nii.ac.jp/records/2006307
https://hiroshima.repo.nii.ac.jp/records/2006307
a187dd4c-71fb-4164-b5a6-845bbc29a22f
名前 / ファイル ライセンス アクション
AOHC_64_393.pdf AOHC_64_393.pdf (1.1 MB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Injury and repair of the soleus muscle after electrical stimulation of the sciatic nerve in the rat
言語 en
作成者 Matsuura, Natsue

× Matsuura, Natsue

en Matsuura, Natsue

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Kawamata, Seiichi

× Kawamata, Seiichi

en Kawamata, Seiichi

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Ozawa, Junya

× Ozawa, Junya

en Ozawa, Junya

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Kai, Satoru

× Kai, Satoru

en Kai, Satoru

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Sakakima, Harutoshi

× Sakakima, Harutoshi

en Sakakima, Harutoshi

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Abiko, Sachiko

× Abiko, Sachiko

en Abiko, Sachiko

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
主題Scheme NDC
主題 490
内容記述
内容記述 To study injury and subsequent changes in skeletal muscles, the rat sciatic nerve was electrically stimulated at 50 Hz and muscle contraction was induced for 30 min. Muscle damage was classified into five types (hypercontraction, hyperstretching, Z band disorders, misalignment of myofilament and regions of scarce myofilaments) by electron microscopy and quantified by ultrastructural assessment. After electrical nerve stimulation, the percentages of the injured areas of the soleus muscle were 18.8 ± 15.8% (mean ± SD) at O h, 9.7 ± 1.0 0x1.3f1c4p-890t 6 h, 22.0 ± 23.6 0x0p+0t 12 h, 13.1 ± 3.2 0x0p+0t 24 h, 4.9 ± 6.0 0x0p+0t 3 days and 0.5 ± 0.4 0x0p+0t 7 days. At 0 h, the vast majority of ultrastructural alterations were sarcomere hypercontraction. At 6 h, hypercontraction was not recognizable and sarcomere hyperstretching and Z band disarrangement constituted the major findings. At 12 h, when the injury reaehed its maximum, myofilament disorganization and hyperstretching were predominant. At 24 h or afterwards, the injury began to decrease and recovered to almost normal conditions by 7 days. There were very few necrotic muscle fibers in all specimens. It is considered that the muscle lesions in the present study were reversible, and recovered through changes in various types of sarcomere alterations. Z band streaming and free ribosomes were frequently found at 12 and 24 h, which may indicate repair processes rather than newly formed lesions.
言語 en
出版者
出版者 International Society of Histology and Cytology
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
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
識別子タイプ DOI
関連識別子 10.1679/aohc.64.393
関連情報
識別子タイプ PMID
関連識別子 11757908
関連情報
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1679/aohc.64.393
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA1068990X
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0914-9465
開始ページ
開始ページ 393
書誌情報 Archives of Histology and Cytology
Archives of Histology and Cytology

巻 64, 号 4, p. 393-400, 発行日 2001
旧ID 20793
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