Clarification of new adaptive mechanism on physical exercise
Clarification of new adaptive mechanism on physical exercise
批准号:
18500507
负责人:
YAMADA Shigeru
金额:
$2.27万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2006
资助国家:
日本
项目状态:
已结题
起止时间:
2006 至 2007
中文摘要
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英文摘要
Heretofore, the adaptive mechanism of the physical exercise has been caught as the entire living body or a change in the organization to the motor stimulation. Then, it paid attention to two mechanisms as an adaptive mechanism to the exercise of skeletal muscles. Those two mechanisms exist. One is the communications between the biological tissue. Another is intercellular communications. In this experiment, the supply of the stem cell was undertaken from the entire body along with the muscular hypertrophy, the mechanism deeply related to the muscular hypertrophy and the regeneration. That is, it was almost clarified that a new adaptive mechanism as the supply system of the cell existed. It was clarified that the number of mono nuclear cells increased to the 4-8th after overload by tenotomy. A lot of pluripotent stem cells and the hemopoietic progenitor cells etc. of all cell lineages are contained in these mono mono nuclear cells. Then, the maturity white blood corpuscle nature was dele … More ted, and the prosperity and decay of a remaining mono nuclear cellsl were observed. As a result, it turned out that the number of these immature cell groups decreased rapidly from blood by exercise. It is thought that a lot of blood cells permeated in the musculature for about two days after the workload by tenotomy. In addition, decrease of the cell groups except a hemopoietic stem cell and a multifunctional stem cell were rapidly shown. The SP cell and the undifferentiation stem cells are included in these cell groups. The possibility that these results also contributes to the skeletal muscle hypertrophy is thought. It was shown that the number of SP cells in blood increased along with the exercise. It was clarified that a multifunctional stem cell was mobilized by the skeletal muscle hypertrophy inducement by tenotomy. In addition, it paid attention to the Notch cell signaling system and it researched in intercellular communications. In a document research, the role of the Notch cell signaling system and the importance were shown. Moreover, it was guessed that the intercellular communication accomplished the key role to the controlling mechanism of the muscle cell growth because the muscular hypertrophy had been induced by ganma secretase inhibitor administration in the our researches though it did not show in the report. Less
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Notchシグナル伝達系の骨格筋肥大機構での生理的意義
Notch信号系统在骨骼肌肥大机制中的生理意义
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
[駒沢 純, 山田 茂, 山田 茂, 山田 茂]
通讯作者:
山田 茂
Notch and Delta appearance in small muscle fiber and Small cells of hypertrophied muscle
小肌纤维和肥大肌肉小细胞中出现Notch和Delta
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
[Shigeru Yamada, Katsumasa Goto & Jun Komazwa]
通讯作者:
Katsumasa Goto & Jun Komazwa
骨格筋肥大機構の新たな可能性・組織幹細胞の関与及び他のシグナル伝達系との関係について・
骨骼肌肥大机制、组织干细胞的参与以及与其他信号转导系统的关系的新可能性。
DOI:
--
发表时间:
2006
期刊:
体力科学 55
影响因子:
--
作者:
[吉田文久, (船井廣則, 他編著), 吉田文久, Hisashi Mochizuki & Shigeru Yamada, 駒沢 純 山田 茂]
通讯作者:
駒沢 純 山田 茂
骨格筋肥大機構の新たな可能性
骨骼肌肥大机制的新可能性
DOI:
--
发表时间:
2006
期刊:
体力科学 55・4
影响因子:
--
作者:
[駒沢 純, 山田 茂]
通讯作者:
山田 茂
骨格筋肥大時の幹細胞の役割
干细胞在骨骼肌肥大过程中的作用
DOI:
--
发表时间:
2008
期刊:
影响因子:
--
作者:
[駒沢 純, 山田 茂, 山田 茂]
通讯作者:
山田 茂
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