RPTOR and cancer: This result was similar to results of previous studies, which illustrated that rapamycin was a partial mTORC1 inhibitor and induced the inhibition of p‐p70S6K/ RPS6, but with limited effects on p‐4EBP1/eIF4E axis.29, 30 Coincidently, there have been a larger number of investigations demonstrating the association of RAPTOR and mTORC1 activity in various cancers.