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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Intracellular localization of the 90 kDA heat shock protein (HSP90alpha) determined by expression of a EGFP-HSP90alpha-fusion protein in unstressed and heat stressed 3T3 cells.

Heat shock protein 90 ( Hsp90) is an abundant protein and essential for all eukaryotic cells. The expression of Hsp90 is further enhanced after exposure to stress factors, e.g. a heat shock. Many proteins interacting with Hsp90 as well as the various functions for Hsp90 have been described. In this study, an Hsp90alpha fusion protein along with the enhanced green fluorescence protein (EGFP) was expressed under the control of the human cytomegalovirus immediate early promoter. EGFP-Hsp90alpha was mainly localized in the cytoplasm, with only minor amounts inside the nuclei. No EGFP-Hsp90alpha could be detected inside the nucleoli. Following exposure to elevated temperatures, higher amounts of EGFP-Hsp90alpha are inside the nucleus, but not within the nucleoli. As the most remarkable finding under these conditions, an association of EGFP-Hsp90alpha with the nuclear membrane became visible.[1]

References

  1. Intracellular localization of the 90 kDA heat shock protein (HSP90alpha) determined by expression of a EGFP-HSP90alpha-fusion protein in unstressed and heat stressed 3T3 cells. Langer, T., Rosmus, S., Fasold, H. Cell Biol. Int. (2003) [Pubmed]
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