tokens: Transfection of increasing amounts of delta5ERalpha expression vector into [ ERalpha+ ] OS cells resulted in potentiation of E2 stimulated ERELuc activity in a synergistic , dose dependent manner .
folded_tokens: transfection of increase amount of delta5eralpha expression vector into [ eralpha+ ] os cell result in potentiation of e2 stimulate ereluc activity in a synergistic , dose dependent manner .