Related Experiment Video
Updated: Mar 12, 2026
10:46
Dissection of Enhancer Function Using Multiplex CRISPR-based Enhancer Interference in Cell Lines
Published on: June 2, 2018
9.9K
The Ly6C(lo)-Down: Targeting Developmental Enhancers for Cell Subset Depletion
Brandon J Thomas1, Stephen T Smale1
1Department of Microbiology, Immunology, and Molecular Genetics, and Molecular Biology Institute, University of California, Los Angeles, CA 90095, USA.
Immunity
|November 17, 2016
Summary
Investigating mononuclear phagocyte function is challenging due to their diversity. A new method using enhancer deletion effectively depletes specific cell types without affecting others, aiding functional studies.
Area of Science:
- Immunology
- Cell Biology
- Genetics
Background:
- Mononuclear phagocytes exhibit significant diversity, complicating the study of specific sub-populations.
- Conventional loss-of-function methods often fail to isolate the functions of distinct mononuclear phagocyte subsets due to overlapping roles and compensatory mechanisms.
Purpose of the Study:
- To introduce and validate a novel genetic approach for precisely depleting specific mononuclear phagocyte lineages.
- To demonstrate the utility of enhancer domain excision for studying cellular functions in a lineage-specific manner.
Main Methods:
- Utilizing a genetic strategy to excise specific enhancer domains within the genome.
- Employing this method to achieve targeted depletion of defined mononuclear phagocyte lineages.
- Assessing the impact of depletion on cellular physiology and function.
Main Results:
- Demonstrated effective and specific depletion of targeted mononuclear phagocyte populations.
- Showcased that enhancer excision selectively removes defined lineages without broadly affecting other cellular processes.
- Validated the approach as a viable tool for functional studies.
Conclusions:
- Enhancer domain excision offers a powerful and precise method for lineage ablation in mononuclear phagocytes.
- This technique overcomes limitations of traditional loss-of-function studies, enabling clearer functional attribution to specific cell subsets.
- The study provides a valuable new tool for advancing research in innate immunity and cell biology.
