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Labeling lysosomes in live cells with fluorescent dyes for imaging
CSH Protocols
|March 2, 2011
Summary
This study details a method for labeling lysosomes in live cells using neutral red. This technique leverages the acidic environment of lysosomes for fluorescent visualization in cell biology research.
Area of Science:
- Cell Biology
- Molecular Biology
Background:
- Eukaryotic cells compartmentalize functions, necessitating study of organelle organization and structure/function relationships.
- Lysosomes are vital organelles containing acid hydrolases that function optimally at acidic pH (~5) for cellular degradation.
- Lysosomal visualization is often achieved using fluorescent probes that exploit their acidic pH.
Purpose of the Study:
- To describe a protocol for labeling lysosomes in live cells.
- To utilize the acidic properties of lysosomes for fluorescent imaging.
Main Methods:
- The protocol employs neutral red as a fluorescent probe.
- Neutral red is used to label lysosomes in live cell imaging.
Main Results:
- Successful labeling of lysosomes in live cells with neutral red was achieved.
- The method allows for visualization of lysosomal compartments.
Conclusions:
- Neutral red is an effective probe for live cell lysosome visualization.
- This protocol facilitates the study of lysosome organization and function in cell biology.

