関連する実験動画

Updated: May 8, 2026

Analysis of the Ambient Particulate Matter-induced Chromosomal Aberrations Using an In Vitro System
08:48

Analysis of the Ambient Particulate Matter-induced Chromosomal Aberrations Using an In Vitro System

Published on: December 21, 2016

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ヒトのケラチノサイトにおけるPM10誘発酸化ストレスに対するイヌラ・ジャポニカの葉抽出物の保護効果

Yea Jung Choi1, So-Ri Son2, Sullim Lee3

  • 1College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea.

Current issues in molecular biology
|August 27, 2025
PubMed
まとめ

イヌラ・ジャポニカの葉のエキスは,酸化ストレスと炎症を軽減することによって,汚染による損傷から皮膚細胞を保護します. この天然の化合物は環境要因による皮膚疾患の治療に役立つ可能性がある.

キーワード:
イヌラ・ジャポニカ人間の正常なケラチノサイト酸化ストレス粒子状物質皮膚障害

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Plant Hormones

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
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Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Prevention of Further Absorption of Poison

In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
Stress Concentrations01:24

Stress Concentrations

Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller width...
Stress Concentrations01:13

Stress Concentrations

The concept of stress concentration is crucial for understanding how materials respond under bending stresses, particularly when there are irregularities or discontinuities in the material's geometry. Normally, stress in a symmetric member subjected to pure bending is assumed to be uniformly distributed across the entire cross-section. However, this assumption does not hold when there are variations in the cross-sectional geometry or the presence of notches and holes.
The stress concentration...
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Toxicity Testing in Animals

Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...