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Effect of Magnetic Field on Stage of Cell Division

Effect of Magnetic Field on Stage of Cell Division
磁场对细胞分裂阶段的影响
批准号:
10837016
负责人:
SAITO Masao
金额:
$1.79万
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:
1998
资助国家:
日本
项目状态:
已结题
起止时间:
1998 至 1999

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英文摘要
We examined the effectrs of the magnetic field in terms of the mitochondria activity, the cell respiration, the cell morphogenesis, the cell adhesions and intercellular or extracellular of the ion density.1. Effects of the magnetic field on the mitochondria activityAs a preliminary examination, the time required to render the cells to the low energy state, I.e., to the G0/G1 phase of the cell cycle, and to reduce the metabolic activity level, was examined by keeping the cells in the medium with low-density fetal bovine serum. We examined the effect of the magnetic field on the metabolic activity of the mitochondrial by estimating the cell metabolism using the MTT assay. The magnetic field was kept at 100[mT]as well as 0[mT]for the control. The results by MTT assay indicated that the metabolic activity of the mitochondria seems to been enhanced by the factor of 1.5.2. Effects of the magnetic field on the cell respirationThe metabolic activity of the mitochondria is considered to be refl … More ected on its respiration. The cell respiration is increased by the factor of 1.3 by the exposed to the magnetic field. In other words, the change of the cell respiration by the magnetic field is very small, as seen from the change of the oxygen in the medium.3. Effects of the magnetic field on the intracellular and extracellular of ion densityWe concern with the calcium ion transport between the intracellular and the extracellular fluid, in order to examine this aspect. We examined the change of ATP when exposed to the magnetic field. When ATP is added to the cell, the cell metabolic activity is enhanced. While, exposed to the magnetic field, even if, ATP is added, the activity is not enhanced.4. Effects of the magnetic field on the cell morphogenesis and cell adhesionThe cell morphogenesis is observed by imaging by using a phase-sensitive microscope and CCD camera. When exposed to the magnetic field, the morphogenesis development is inhibited by approx. 40% than that of the control. In order to analyze the factor for inhibition, we examined the cell adhesion by the crystal violet assay. It is indicated that, when exposed to the magnetic field, the cell adhesion is inhibited by approx. 30% than that of the control. Less
期刊论文(19)
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斉藤大輔、斎藤正男、他2名: "細胞の内部活動と磁界"人と福祉を支える技術フォーラム2000論文集. 31-32 (2000)
Daisuke Saito、Masao Saito 和另外 2 人:“细胞和磁场的内部活动”支持人类和福利的 2000 年技术论坛论文集 31-32 (2000)。
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斉藤大輔、斎藤正男、他2名: "細胞周期に対する静磁界の影響"日本生体磁気学会誌. Vol.12.No.1. 198-199 (1999)
Daisuke Saito、Masao Saito 等 2 人:“静磁场对细胞周期的影响”日本生物磁学会杂志第 12 卷第 1 期(1999 年)。
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16
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