Combating protein misfolding and aggregation by intracellular antibodies.

Abstract:

:Conformational or misfolding diseases are a large class of devastating human disorders associated with protein misfolding and aggregation. Most conformational diseases are caused by a combination of genetic and environmental factors, suggesting that spontaneous events can destabilize the protein involved in the pathology or impair the clearance mechanisms of misfolded aggregates. Aging is one of the risk factors associa-ted to these events, and the clinical relevance of conformational disorders is growing dramatically, as they begin to reach epidemic proportions due to increases in mean lifespan. Currently, there are no effective strategies to slow or prevent these diseases. Intrabodies are promising therapeutic agents for the treatment of misfolding diseases, because of their virtually infinite ability to specifically recognize the different conformations of a protein, including pathological isoforms, and because they can be targeted to the potential sites of aggregation (both intra- and extracellular sites). These molecules can work as neutralizing agents against amylo-idogenic proteins by preventing their aggregation, and/or as molecular shunters of intracellular traffic by re-routing the protein from its potential aggregation site. The fast-developing field of recombinant antibody technology provides intrabodies with enhanced binding specificity and stability, together with lower immunogenicity, for use in a clinical setting. This review provides an update on the applications of intrabodies in misfolding diseases, with particular emphasis on an evaluation of their multiple and feasible modes of action.

journal_name

Curr Mol Med

authors

Cardinale A,Biocca S

doi

10.2174/156652408783565595

subject

Has Abstract

pub_date

2008-02-01 00:00:00

pages

2-11

issue

1

eissn

1566-5240

issn

1875-5666

journal_volume

8

pub_type

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