In fact, in the case of MCF7 cells, where the difference between the initial levels of pAKT elicited by IGF1 or Ins is not quite as big as in the other cell lines, a clear trend towards a further increase of pAKT after 30 minutes of IGF1 stimulation with S6K inhibition can be seen.
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Inhibition of RPS6K reveals context-dependent Akt activity in luminal breast cancer cells.
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