Chronic inhibition of the mTORC1/S6K1 pathway increases insulin-induced PI3K activity but inhibits Akt2 and glucose transport stimulation in 3T3-L1 adipocytes.

@article{Veilleux2010ChronicIO,
  title={Chronic inhibition of the mTORC1/S6K1 pathway increases insulin-induced PI3K activity but inhibits Akt2 and glucose transport stimulation in 3T3-L1 adipocytes.},
  author={Alain Veilleux and Vanessa P. Houde and Kerstin Bellmann and Andr{\'e} Marette},
  journal={Molecular endocrinology},
  year={2010},
  volume={24 4},
  pages={766-78}
}
The mammalian target of rapamycin complex 1 (mTORC)1 pathway has emerged as a critical signaling component in the modulation of insulin's metabolic action. This effect is triggered by a nutrient- and insulin-mediated negative feedback loop in which mTOR and S6 kinase (S6K)1 phosphorylate insulin receptor substrate (IRS)-1 on serine residues, which blunts phosphatidylinositol 3-kinase (PI3K) activation. Acute inhibition of mTORC1/S6K1 by rapamycin increases insulin signaling and glucose uptake… CONTINUE READING
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