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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/4249

Title: Heat shock proteins Hsp27 and Hsp32 localize to synaptic sites in the rat cerebellum following hyperthermia
Authors: Bechtold, David A.
Brown, Ian R.
Keywords: Hsp70; Hsp27; Stress response; Synapse; Hyperthermia; HO-1
Issue Date: 2000
Publisher: Elsevier Science
Citation: Molecualr Brain Research 75 (2000) 309-320
Abstract: Stressful stimuli activate the heat shock (stress) response in which a set of heat shock proteins (hsps) is induced, which play roles in cellular repair and protective mechanisms. Most studies in the mammalian nervous system have focused on Hsp70, however, the present investigation targets other members of the induced set, namely Hsp27 and Hsp32. In response to hyperthermia, these hsps are strongly induced in Bergmann glial cells in the rat brain and transported into their radial fibers, which project into the `synaptic-enriched' molecular layer of the cerebellum. Using subcellular fractionation and immunoelectron microscopy, hyperthermia-induced Hsp27 and Hsp32 were detected in synaptic elements and in perisynaptic glial processes. These results suggest that stress-induced Hsp27 and Hsp32 may contribute to repair and protective mechanisms at the synapse.
URI: http://hdl.handle.net/1807/4249
Appears in Collections:Biology

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