Phenotype of intraepithelial (IEL) and lamina propria (LPL) T lymphocytes from normal human gut
| T cell markers1-150 | |||||
| Cell suspension | CD4+ | CD8+ | CD4+CD8+ | CD4−CD8− | CD69+ |
| Duodenum | |||||
| IEL | 12% (5–21) | 76% (50–93) | 5% (3–12) | 14% (3–32) | 96% (92–100) |
| LPL | 45% (30–74) | 62% (45–71) | 6% (0–14) | 7% (5–15) | 93% (86–97) |
| Colon | |||||
| IEL | 46% (21–55) | 50% (31–61) | 3% (1–5) | 17% (8–32) | 83% (65–90) |
| LPL | 46% (41–53) | 48% (30–56) | 3% (2–3) | 17% (12–20) | 76% (72–80) |
↵1-150 Expressed as percentages of CD3+ cells. Results obtained by flow cytometric analysis are shown as medians (ranges). Triple immunofluorescence allowed counting of both the CD3+/CD4+/CD8+ and the CD3+/CD4−/CD8− lymphocytes.