Related Experiment Video
Updated: Mar 16, 2026
14:29
Examination of Thymic Positive and Negative Selection by Flow Cytometry
Published on: October 8, 2012
22.7K
CD31 Expression on CD4+ Cells: A Simple Method for Quantitation of Recent Thymus Emigrant CD4 Cells
Ramia Zakhour1, Dat Q Tran1, Gloria P Heresi1
1Department of Pediatrics, University of Texas Medical School, Houston, Texas.
The American Journal of Tropical Medicine and Hygiene
|August 17, 2016
Summary
A new method simplifies measuring CD4+CD31+ cells, identifying recent thymus emigrant (RTE) CD4+ cells. This approach is practical for resource-limited settings, offering a simpler alternative to existing techniques.
Area of Science:
- Immunology
- Cell Biology
Background:
- Recent thymus emigrant (RTE) CD4+ T cells are crucial for adaptive immunity.
- Accurate identification of RTE CD4+ T cells is vital for immunological studies.
- Existing methods for measuring CD4+ RTE cells can be complex and resource-intensive.
Purpose of the Study:
- To present a simplified method for measuring CD4+CD31+ cells.
- To validate this method for identifying CD4+ recent thymus emigrant (RTE) cells.
- To establish a cost-effective and accessible technique for RTE cell quantification.
Main Methods:
- Flow cytometry analysis of CD4+CD31+ cell populations.
- Comparison of the novel method with established procedures for CD4+ RTE cell measurement.
Main Results:
- Measurements of CD4+CD31+ cells yielded results consistent with expected CD4+ RTE cell profiles.
- The new method demonstrated significant simplicity compared to existing techniques.
- The method's usability in resource-limited settings was confirmed.
Conclusions:
- The CD4+CD31+ cell measurement offers a simpler and more accessible approach to identifying CD4+ RTE cells.
- This simplified method has broad applicability, particularly in settings with limited laboratory facilities and budgets.
- The findings facilitate wider research and clinical applications involving RTE T cell populations.
