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A Fluorescence-based Protocol for Preliminary Screening of Protein Synthesis Inhibitors from Natural Sources
Published on: January 27, 2026
261
A Fluorescence-based Protocol for Preliminary Screening of Protein Synthesis Inhibitors from Natural Sources.
Joshua E Beane1, Victoria L Delacruz1, Fatima Rivas2
1Louisiana State University.
Journal of Visualized Experiments : Jove
|February 16, 2026
Summary
Natural products from Pinus sylvestris and Psoralea corylifolia inhibit protein synthesis. This study offers a simple protocol using fluorescence microscopy to evaluate natural compound drug potential for cancer therapy.
Area of Science:
- Biochemistry
- Pharmacology
- Natural Products Chemistry
Background:
- Natural products are valuable templates for drug discovery, particularly in oncology.
- The protein synthesis pathway is a key target for anti-cancer natural products.
- Cycloheximide, a natural product, is a potent protein synthesis inhibitor.
Purpose of the Study:
- To develop an undergraduate-friendly protocol for evaluating natural product inhibition of protein synthesis.
- To assess the protein synthesis inhibitory activity of compounds from Pinus sylvestris and Psoralea corylifolia.
Main Methods:
- Utilized a fluorescent substrate assay.
- Employed advanced fluorescence microscopy for detection and measurement.
- Used cycloheximide as a reference inhibitor.
Main Results:
- Compounds from Pinus sylvestris and Psoralea corylifolia demonstrated protein synthesis inhibition.
- Varying levels of inhibition were observed between the tested natural products.
Conclusions:
- The developed protocol provides a rapid method for assessing natural product bioactivity.
- Natural products from these plant species hold potential as therapeutic agents targeting protein synthesis.
