Overview

This study presents a method for detecting reactive oxygen species (ROS) in intestinal murine organoids through qualitative imaging and quantitative cytometry assays. This technique allows the assessment of cellular ROS levels in living primary cells cultivated in vitro as organoids.

Key Study Components

Research Area

Cellular biology
Oxidative stress analysis
Organoid technology

Background

Reactive oxygen species are important in cellular signaling and stress responses.
Organoids provide a relevant model for studying intestinal biology.
Fluorogenic probes are valuable tools for visualizing cellular processes.

Methods Used

Qualitative microscopy and quantitative flow cytometry
Intestinal murine organoids
Fluorogenic probes for ROS detection

Main Results

ROS levels were successfully detected and quantified in organoids.
The method enables visual assessment of intact organoids under a microscope.
Application of the protocol allows for analysis of different cellular pathways.

Conclusions

This method demonstrates a robust approach to studying oxidative stress in organoids.
It offers insights into cellular responses to oxidative stress, relevant for various biological research fields.

Frequently Asked Questions

What are reactive oxygen species (ROS)?

ROS are chemically reactive molecules containing oxygen, which play crucial roles in cell signaling and can indicate oxidative stress.

Why use organoids in this research?

Organoids provide a more physiologically relevant model of intestinal biology compared to traditional cell cultures.

What technologies are utilized in this method?

The study employs qualitative imaging techniques and quantitative flow cytometry to analyze ROS levels.

How can this technique be expanded?

The method can be applied to other organoid models and alternative fluorescent sensors for analyzing different cellular pathways.

Is prior experience necessary to apply this protocol?

While the protocol is adaptable to screening approaches, it is advisable for beginners to start with a few samples before scaling.

What is the main advantage of using this method?

The dual approach of qualitative visualization and quantitative analysis provides comprehensive insight into ROS dynamics in living cells.

Institution - Sorbonne Université, CNRS UMR7622, INSERM U1156

Articles Published in JoVE