Experiment AAV Tropism project Experiment Condition AAV4 females Assay Description: Cre activity was assessed by image quantification Tissue Measured: spleen Measurement Type: Editing Efficiency Record ID 15000001811 Editor Delivery System AAV Delivery System Subtype Viral vector Guide Vector AAV4-ZsGreen-Cre; Model Species Mouse Model Name B6.Cg-Gt(ROSA)26Sor ^ tm9(CAG-tdTomato)Hze/J Application Method intravenous Application Site whole body Dosage 1E12 GC/mouse Injection Frequency once Injection Rate Injection Volume 150 microliters Days post injection 28 days Editor Format Antidote Id Antidote Description Measured Values Samples Size: 4   Replicate Result (Editing Efficiency) Measurement Units: % cells tdTomato positive Mean 5.85  1 7.02  2 4.69  3 6.42  4 5.25  Measurement Units: GC/ug DNA Mean 53459.4  2 13054  3 125  4 48477  5 41747  6 163894

AAV4 spleen AAV serotypes delivering Cre recombinase were tested by intravenous delivery into Ai9 mice and chacterized by imaging