Abstract
With antigen stimulation, naïve CD4+ T cells differentiate to several effector or memory cell populations, and cytokines contribute to differentiation outcome. Several proteins on these cells receive costimulatory signals, but a systematic comparison of their differential effects on naïve T cell differentiation has not been conducted. Two costimulatory proteins, CD28 and ICAM-1, resident on human naïve CD4+ T cells were compared for participation in differentiation. Under controlled conditions, and with no added cytokines, costimulation through either CD3+CD28 or CD3+CAM-1 induced differentiation to T effector and T memory cells. In contrast, costimulation through CD3+ICAM-1 induced differentiation to Treg cells whereas costimulation through CD3+CD28 did not.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 418-427 |
| Number of pages | 10 |
| Journal | Cellular Immunology |
| Volume | 271 |
| Issue number | 2 |
| DOIs | |
| State | Published - 2011 |
| Externally published | Yes |
Funding
The authors thank Dr. T. Yankee for critical reading of the manuscript, Dr. M. Chan, Dr. T. Yankee, Dr. C. Rockwell and Dr. C. Vines for helpful discussion during the course of this study, G. Haslam for technical assistance and L. Kimble for phlebotomy. This work was supported by AG023946 from the National Institute on Aging and DK073119 from the National Institute of Diabetes and Digestive and Kidney Diseases .
| Funders | Funder number |
|---|---|
| National Institute of Aging | R03AG023946 |
| National Institute of Diabetes and Digestive and Kidney Diseases | R21DK073119 |
Keywords
- CD28
- Costimulation
- Foxp3
- ICAM-1
- Naïve T cell differentiation
- Regulatory T cells
ASJC Scopus subject areas
- Immunology
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