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Prof. Dr. Christiane Richter-Landsberg

E-Mail: christiane.richter.landsberg@uol.de

 

Stress proteins in neural cells: functional roles in health and disease.
Richter-Landsberg C, Goldbaum O.; Cell Mol Life Science 2003 Feb;60(2):337-49.

Heat shock proteins (HSPs) or stress proteins participate in protein synthesis, protein folding, transport and translocalization processes. Stress situations trigger a heat shock response leading to their induction. Similarly, they can be upregulated by impairment of the proteasomal degradation pathway. The upregulation of stress proteins is an important step in prevention of protein aggregation and misfolding after stress, and also is essential during development and differentiation. A number of HSPs are constitutively or inducibly expressed in the nervous system and connected to protection of nerve cells and glia. The cytoskeleton is affected by stress, and HSPs have been shown to interact with the cytoskeleton in normal cells and to assist proper assembly, spatial organization and cross-linking properties. The integrity of the cytoskeleton is disturbed in many neurodegenerative disorders, and filamentous cytoplasmic inclusion bodies, containing a variety of HSPs, are observed. This review summarizes the recent literature on the presence and induction of HSPs in neural cells, and their possible functional roles in health and disease are discussed.

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