ArticleAngewandte Chemie (International ed. in English)2025
A Fluorogenic Hydrazino-Pictet-Spengler Reaction in Live Cells.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- A Fluorogenic Hydrazino-Pictet-Spengler Reaction in Live Cells.Angewandte Chemie (International ed. in English) · 2025Article
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Authors and funding
2 authors.
Funding
Abstract
Lipid peroxidation generates diverse aldehydic lipids associated with oxidative stress and signaling, yet methodologies capable of their detection in live cells are currently lacking. Here, we report a fluorogenic hydrazino-Pictet-Spengler (HIPS) probe for lipidic aldehydes "FLipA-HIPS" that generates bright, wash-free fluorescent reaction products in vitro and in cellulo. FLipA-HIPS is essentially nonfluorescent but reacts with aldehydes to give an environmentally sensitive fluorophore with a higher quantum yield in SDS micelles as compared to aqueous buffer alone. FLipA-HIPS reacts with lipidic aldehydes to give 10- to 25-fold higher fluorescence intensities than reactions containing either short-chain aliphatic or aromatic aldehydes in aqueous buffer. Confocal microscopy shows that live cells pretreated with potassium bromate or the aldehydic phospholipid "POVPC" display rapid and selective FLipA-HIPS staining that co-localizes with the endoplasmic reticulum (ER), consistent with the ER's known role in accumulating lipidic aldehydes. These results demonstrate that HIPS reactions can exhibit useful fluorogenic properties for aldehyde biosensing applications in live cells.
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