Fluorescent GD2 analog for single-molecule imaging.

IF 2.7 4区 生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY Glycoconjugate Journal Pub Date : 2023-04-01 DOI:10.1007/s10719-023-10102-1
Eriko Yamaguchi, Naoko Komura, Hide-Nori Tanaka, Akihiro Imamura, Hideharu Ishida, Sophie Groux-Degroote, Martina Mühlenhoff, Kenichi G N Suzuki, Hiromune Ando
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引用次数: 1

Abstract

Ganglioside GD2 is associated with the proliferation and migration of breast cancer cells. However, the precise role of GD2 is unclear because its tendency to form dynamic and transient domains in cell plasma membranes (PMs), called lipid rafts, makes it difficult to observe. Previously, we developed fluorescent analogs of gangliosides (e.g., GM3 and GM1), which enabled the observation of lipid raft formation for the first time using single-molecule imaging. In this report, we describe the first chemical synthesis of a fluorescent ganglioside, GD2. A biophysical analysis of the synthesized analog revealed its raft-philic character, suggesting its potential to aid single-molecule imaging-based investigations into raft-associated interactions.

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荧光GD2模拟单分子成像。
神经节苷脂GD2与乳腺癌细胞的增殖和迁移有关。然而,GD2的确切作用尚不清楚,因为它倾向于在细胞膜(PMs)中形成动态和瞬时结构域,称为脂筏,这使得它很难观察到。此前,我们开发了神经节苷脂的荧光类似物(例如GM3和GM1),首次使用单分子成像观察脂筏的形成。在本报告中,我们描述了荧光神经节苷脂GD2的首次化学合成。对合成的类似物的生物物理分析揭示了它的亲筏特性,表明它有可能帮助基于单分子成像的研究筏相关的相互作用。
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来源期刊
Glycoconjugate Journal
Glycoconjugate Journal 生物-生化与分子生物学
CiteScore
6.00
自引率
3.30%
发文量
63
审稿时长
1 months
期刊介绍: Glycoconjugate Journal publishes articles and reviews on all areas concerned with: function, composition, structure, biosynthesis, degradation, interactions, recognition and chemo-enzymatic synthesis of glycoconjugates (glycoproteins, glycolipids, oligosaccharides, polysaccharides and proteoglycans), biochemistry, molecular biology, biotechnology, immunology and cell biology of glycoconjugates, aspects related to disease processes (immunological, inflammatory, arthritic infections, metabolic disorders, malignancy, neurological disorders), structural and functional glycomics, glycoimmunology, glycovaccines, organic synthesis of glycoconjugates and the development of methodologies if biologically relevant, glycosylation changes in disease if focused on either the discovery of a novel disease marker or the improved understanding of some basic pathological mechanism, articles on the effects of toxicological agents (alcohol, tobacco, narcotics, environmental agents) on glycosylation, and the use of glycotherapeutics. Glycoconjugate Journal is the official journal of the International Glycoconjugate Organization, which is responsible for organizing the biennial International Symposia on Glycoconjugates.
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