Nucleolar targeting of the chaperone hsc70 is regulated by stress, cell signaling, and a composite targeting signal which is controlled by autoinhibition.

@article{Baski2010NucleolarTO,
  title={Nucleolar targeting of the chaperone hsc70 is regulated by stress, cell signaling, and a composite targeting signal which is controlled by autoinhibition.},
  author={Piotr Bański and Hicham Mahboubi and Mohamed Kodiha and Sanhita Shrivastava and Cynthia Kanagaratham and Ursula Stochaj},
  journal={The Journal of biological chemistry},
  year={2010},
  volume={285 28},
  pages={21858-67}
}
Hsc70s are constitutively synthesized members of the 70-kDa chaperone family; they are essential for viability and conserved among all organisms. When eukaryotic cells recover from stress, hsc70s accumulate in nucleoli by an unknown mechanism. Our studies were undertaken to characterize the signaling events and the targeting sequence required to concentrate hsc70 in the nucleoli of human cells. Here, we show that pharmacological inhibitors of phosphatidylinositol (PI) 3-kinase and MEK kinases… CONTINUE READING
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