Visualizing Epigenetic Modifications and Nuclear Bodies by Immunofluorescence Staining in Naïve, Activated, and
Clarissa R Chakma1,2, Andrew Garvie1,3, Lee H Wong4,5
1Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia.
Insights
This study details a protocol for immunofluorescence staining to visualize nuclear proteins, such as histone modifications and nuclear bodies, in human and mouse B lymphocytes.
Area of Science:
- Cell Biology
- Molecular Biology
- Immunology
Background:
- Immunofluorescence microscopy is crucial for visualizing nuclear proteins and understanding their function through spatial organization.
- Nuclear protein localization provides insights into cellular processes and disease mechanisms.
Purpose of the Study:
- To present a detailed protocol for nuclear immunofluorescence staining.
- To enable visualization of specific nuclear components like histone modifications and nuclear bodies.
Main Methods:
- Developed and optimized a protocol for immunofluorescence staining targeting the nucleus.
- Applied the protocol to human and mouse B lymphocytes.
- Utilized fluorescently labeled antibodies for protein detection.
Main Results:
- Successfully visualized histone modifications and nuclear bodies in B lymphocytes.
- The protocol is effective with a low cell input (1x10^4 - 5x10^4 cells).
- Demonstrated the utility of the method for studying nuclear protein localization.
Conclusions:
- The presented immunofluorescence protocol is a valuable tool for nuclear protein analysis in B lymphocytes.
- This technique aids in elucidating the function of nuclear proteins through their localization and spatial organization.
- The protocol's efficiency with low cell numbers makes it suitable for various research applications.
Abstract:
Immunofluorescence microscopy is a powerful technique using fluorescently labelled antibodies which can be used to visualize proteins in the nucleus. A key advantage of this method is that it can provide insight into the spatial organization and the localization of nuclear proteins, which can provide elucidation of their function. Here, we provide a protocol for immunofluorescence staining in the nucleus, which has successfully been used to visualize histone modifications and nuclear bodies in human and mouse B lymphocytes, using as few as 1 × 104-5 × 104 cells.
