HSPD1 (Heat Shock 60kDa Protein 1)

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URI:http://hdl.handle.net/2042/62324  |   DOI : 10.4267/2042/62324
Title: HSPD1 (Heat Shock 60kDa Protein 1)
Author:Francesco, Cappello; de Macario Everly, Conway; Alberto, JL. Macario
Abstract:The HSPD1 gene encodes a protein known as HSP60 or Hsp60, also commonly referred to as Cpn60. This protein is a molecular chaperone typically localized inside mitochondria where it forms a chaperoning machine with HSP10 (encoded by the HSPE1 gene), also called Cpn10, to assist protein folding inside the organelle. Hsp60 also occurs in the cytosol, plasma-cell membrane, intercellular space, and blood. Its functions in all these extramitochondrial locations are poorly understood. While the canonical functions of Hsp60 are considered to be cytoprotective, anti-stress and maintenance of protein homeostasis, other roles are currently being investigated. For example, Hsp60 participates in the pathogenesis of diseases in various ways in certain types of cancer, and chronic inflammatory and autoimmune pathological conditions. These are considered chaperonopathies by mistake, in which a normal chaperone (normal at least as far as it can be determined by current methods to study the structure of a molecule available only at extremely low concentrations and quantities) turns against the organism instead of protecting it, favouring the growth and dissemination of cancer cells, or the initiation-progression of inflammation, for instance. In addition, Hsp60 mutations cause at least two types of severe genetic chaperonopathies. All this knowledge is expanding nowadays clearly pointing to Hsp60 as a potential target for chaperonotherapy by replacement when it is defective or by inhibition when it is pathogenic.
Subject:HSPD1; Genes Section; Humans; Male; Female; Animals; Middle Aged; Chaperonin 60/*metabolism; Aged; Protein Transport; Immunohistochemistry; Disease Progression; Adult; Reproducibility of Results; Rats; Protein Folding; Prognosis; Molecular Sequence Data; Follow-Up Studies; Cell Line, Tumor; Blotting, Western; Biopsy; Amino Acid Sequence
Publisher:Jean-Loup Huret (Editor-in-Chief)
Date:2015

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