Source of isolated cells | Number of patients | Method of cell isolation | Median no. of passages (range) |
---|---|---|---|
Rheumatoid arthritis (synovial membrane) | Â | Â | Â |
   Primary culture | 5 | Collagenase digest | 0 |
   Passage ≥ 5 | 7 | Tissue outgrowth | 9 (5–14) |
Foreskin (normal skin) | Â | Â | Â |
   Primary culture | 6 | Collagenase digest | 0 |
   Passage ≥ 5 | 6 | Tissue outgrowth | 5.5 (5–13) |