On the brotherhood of the mitochondrial chaperons mortalin and heat stock protein 60

College

College of Science

Department/Unit

Biology

Document Type

Article

Source Title

Cell Stress and Chaperones

Volume

11

Issue

2

First Page

116

Last Page

128

Publication Date

2006

Abstract

The heat shock chaperones mortalin/mitochondrial heat shock protein 70 (mtHsp70) and Hsp60 are found in multiple subcellular sites and function in the folding and intracellular trafficking of many proteins. The chaperoning activity of these 2 proteins involves different structural and functional mechanisms. In spite of providing an excellent model for an evolutionarily conserved molecular "brotherhood", their individual functions, although overlapping, are nonredundant. As they travel to various locations, both chaperones acquire different binding partners and exert a more divergent involvement in tumorigenesis, cellular senescence, and immunology. An understanding of their functional biology may lead to novel designing and development of therapeutic strategies for cancer and aging.

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Disciplines

Biology | Cell Biology

Keywords

Molecular chaperones; Heat shock proteins

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