Age-related change in trainability of rat diaphragm motor units

大鼠隔膜运动单位可训练性的年龄相关变化

• 批准号: 17300220
• 负责人: MIYATA Hirofumi
• 金额: $ 6.23万
• 依托单位: Yamaguchi University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2005
• 资助国家: 日本
• 起止时间: 2005 至 2008
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17300220/
• 关键词: 加齢; 運動ニューロン; 神経・筋接合部; コンフォーカル; 立体構造; 活動量

本研究の主な結果は、若齢および成熟ラットの代償的に活動が増大した片側横隔膜においては、運動終板面積と遅筋線維の面積割合の増加に伴い伝達欠落の低下が認められるが、老齢ラットにおいては伝達欠落の改善は認められないこと。また、運動終板体積と表面積には年齢グループ間の差は認められなかったが、超老齢ラットにおいて筋線維直径の変化がないにもかかわらず、type IIX/B線維の運動終板密度が有意に低下したことである

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项目成果

Morphological changes in endplate on type-identified muscle fiber in aged rat diaphragm

老年大鼠膈肌类型鉴定肌纤维终板的形态变化

• 发表时间: 2007
• 作者: Miyata H;et. al.
• 通讯作者: et. al.

ラット横隔膜におけるストレッチ感受性の加齢変化

大鼠膈肌拉伸敏感性与年龄相关的变化

• 发表时间: 2005
• 作者: Miyata H;Wada N;宮田浩文
• 通讯作者: 宮田浩文

Effects of increased activity on neuromuscular junction in aged rat diaphragms.

活动增加对老年大鼠膈肌神经肌肉接头的影响。

• 发表时间: 2008
• 期刊: Adv. Exerc. Sports Physiol. 14
• 作者: Miyata H;Suzuki T;Maruyama A;Wada N.;Miyata H;Suzuki T
• 通讯作者: Suzuki T

ラット横隔膜における脱神経がエンドプレート核に及ぼす影響

大鼠膈肌去神经对终板核的影响

• 发表时间: 2008
• 作者: 小南賢人;丸山昭男;宮田浩文(CA);山口茜・宮田浩文(CA)
• 通讯作者: 山口茜・宮田浩文(CA)

Age-related changes and plasticity of serotonergic input and receptor expression on the rat phrenicn motoneuron

大鼠膈运动神经元上血清素输入和受体表达的年龄相关变化和可塑性

• 发表时间: 2008
• 作者: Tomi M;Miyata H(CA)
• 通讯作者: Miyata H(CA)