Table 1. Response of orthotopic FaDu xenografts to Metformin.
Table summarizes the imaging and immunohistochemical measurements obtained from all the experimental studies. Values are reported as mean ± standard error.
| Method | Measured Parameter | Control | Metformin | Observation |
|---|---|---|---|---|
| MRI | Tumor volume (mm3) | 315.1 ± 26 | 233.7 ± 16* | Significant decrease at d5 |
| PAI | Oxygen saturation (%sO2) | 49.9 ± 3.2 | 62.3 ± 3.9* | Significant increase at d5 |
| HbT (a.u.) | 24670 ± 1199 | 28444 ± 1148* | Significant increase at d5 | |
| Fluorescence imaging (2-DG) | Normalized fluorescence intensity (a.u.) | 1211 ± 348 | 559 ± 192 | No significant change |
| CD31-immunostaining | Microvessel count | 131 ± 15 | 99 ± 13 | No significant change |
| Ki67 immunostaining | H-score | 100 ± 2.9 | 66 ± 3.5*** | Significant reduction |
p<0.05
<0.001 between control and treatment groups.