選択的モニタリングとエオシノフィルペロキシダースの活性をJ-アグリゲートプローブで画像化
Tae-Il Kim1, Byunghee Hwang1, Boeun Lee2
1Department of Chemistry and Research Institute of Basic Sciences , Kyung Hee University , 26 Kyungheedae-ro , Dongdaemun-gu, Seoul 02447 , Korea.
Journal of the American Chemical Society
|August 30, 2018
まとめ
この研究では,ヒポブローム酸 (HOBr) を選択的に特定することによって,エオシノフィル過酸化酵素 (EPO) の活性を正確に検出するための新しいフッ素性プローブを導入しています. この進歩により,様々な生物学的用途において,EPOの正確な測定が可能になります.
科学分野:
- 生物化学
- 分析化学
- 化学生物学
背景:
- ヒポブローム酸 (HOBr) とヒポクロル酸 (HOCl) を区別することは,エオシノフィル過酸化酵素 (EPO) の活性を検出するために重要である.
- 既存の方法は,EPOによって生成されたHOBrを選択的に識別する上で課題に直面しています.
研究 の 目的:
- HOClよりもHOBrに高い運動選択性を持つ新しいフッ素探査機を開発する.
- 生物学的システムにおけるEPO活動の正確な検出と定量化を可能にする.
主な方法:
- HOBrの選択的ハロゲン化を示すフッ素探査機の設計と合成.
- 探査機の自己組み立てを J-アグリゲートに利用して 光信号をオンにします
- EPO活動測定,ダイプスティックセンサー,光成像における探査機の適用
主要な成果:
- フローロゲン探査機は,HOClに対するHOBrの高い運動選択性 (≥1200: 1) を示した.
- 探査機の二ブロミン化製品は,放射性J-アグレガートを形成し,重原子効果による消火を防ぐ.
- EPOの活性,がん細胞の酸化ストレス,そして生きたマウスの免疫反応の検出に成功しました.
結論:
- 開発されたフッ素探知器は,EPOの活性を検出するための堅牢で選択的な方法を提供します.
- このツールは,生物学的研究,診断,および体内研究において広範な応用があります.
- この探査機は酸化ストレスと免疫反応の正確な測定を容易にする.
関連する概念動画
01:22T Cell Activation and Clonal Selection
16.1K
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
16.1K
01:32What is Natural Selection?
129.5K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
129.5K
01:29Aggregates Classification
1.0K
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
1.0K
00:57Antibiotic Selection
60.0K
Overview
60.0K
01:46Types of Selection
45.2K
Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
45.2K
01:21Frequency-dependent Selection
24.1K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.1K