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FRANCESCO CAPPELLO

Hsp10: anatomic distribution, functions, and involvement in human disease.

  • Autori: David, S.; Bucchieri, F.; Corrao, S.; Czarnecka, A.; Campanella, C.; Farina, F.; Peri, G.; Tomasello, G.; Sciume', C.; Modica, G.; LA ROCCA, G.; Anzalone, R.; Giuffre, M.; Conway De Macario, E.; Macario, A.; Cappello, F.; Zummo, G.
  • Anno di pubblicazione: 2013
  • Tipologia: Articolo in rivista (Articolo in rivista)

Abstract

There is growing evidence that molecular chaperones/heat shock proteins are involved in the pathogenesis of a number of human diseases, known as chaperonopathies. A better molecular understanding of the pathogenetic mechanisms is essential for addressing new strategies in diagnostics, therapeutics and clinical management of chaperonopathies, including those in which Hsp10 is involved. This chaperonin has been studied for a long time as a member of the mitochondrial protein-folding machine. However, although in normal cells Hsp10 is mainly localized in the mitochondrial matrix, it has also been found during and after stress in other subcellular compartments, such as cytosol, vesicles and secretory granules, alone or in combination with other proteins. In these extramitochondrial locales, Hsp10 plays an active role in cell signalling. For example, cancer cells often show altered levels of Hsp10, compared to normal cells. Hsp10 may also be found in the extracellular space and in the bloodstream, with a possible immunomodulatory activity. This minireview focuses on some studies to date on the involvement of Hsp10 in human disease pathogenesis.

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