Rapamycin levels in tumor samples after treatment with topical or IP rapamycin. Rapamycin levels in tumor homogenates from indicated treatment groups were measured 24 hours (A, C) and 48 hours (B, D) after the final dose of rapamycin. Panels C and D are enlarged versions of the boxed-in data in panels A and B respectively.
Rauktys et al. BMC Dermatology 2008 8:1 doi:10.1186/1471-5945-8-1