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Table 2 Histological Scoring System

From: Effective in vivo and ex vivogene transfer to intestinal mucosa by VSV-G-pseudotyped lentiviral vectors

Infiltration of inflammatory cells
Score Observation
0 Rare inflammatory cells in the lamina propria
1 Increased numbers of inflammatory cells in the lamina propria
2 Confluence of inflammatory cells extending into the submucosa
3 Transmucosal infiltrates
Tissue Damage
Score Observation
0 No mucosal damage
1 A discrete lymphoepithelial lesion
2 Surface mucosal erosion
3 Extensive mucosal damage and ulceration