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Tracking New RNA Synthesis

Introduction

Detection of newly synthesized RNA is an important method to measure cell proliferation and toxicological profiling. Our iClick™ EU assays utilize an alkyne-modified nucleoside, 5-ethynyl uridine (EU), and powerful click chemistry to detect newly synthesized RNA in a simple, two-step procedure. In step one, the alkyne-containing nucleoside is fed to cells or animals and actively incorporated into nascent RNA. Detection utilizes the“click" reaction between an azide and an alkyne where the modified RNA is detected with a corresponding azide-containing dye (Figure 1).



Figure 1. Detection of cell proliferation in cell and mouse tissue. A549 cells were treated with 100 μM EU for 2 hr, then detected with Andy Fluor™ 488 azide (green, top), and Andy Fluor™ 594 azide (red, middle), cells were counterstained with DAPI (blue). A mouse was injected intraperitoneally with 50 mg EU per kilogram body weight, then sacrificed at 0, 12, and 24 hr. The mouse intestine tissue was detected with Andy Fluor™ 488 azide (green, bottom), and counterstained with DAPI (blue).

Selection Guide for iClick™ EU Cell Proliferation Kit

Cat. No. Product Name Application Ex/Em
A009 iClick™ EU Andy Fluor™ 488 Imaging Kit Imaging 495/520
A010 iClick™ EU Andy Fluor™ 594 Imaging Kit Imaging 590/615

To order

Buy Cat.No. Product Name Application Ex/Em Unit Price
A009-100T iClick™ EU Andy Fluor™ 488 Imaging Kit Imaging 495/520 100 assays 1200
A009-250T iClick™ EU Andy Fluor™ 488 Imaging Kit Imaging 495/520 250 assays 2600
A010-100T iClick™ EU Andy Fluor™ 594 Imaging Kit Imaging 590/615 100 assays 1200
A010-250T iClick™ EU Andy Fluor™ 594 Imaging Kit Imaging 590/615 250 assays 2600