Steroid Receptor-Associated Immunophilins: Candidates for Diverse Drug-Targeting Approaches in Disease

Author(s): Thomas Ratajczak.

Journal Name: Current Molecular Pharmacology

Volume 9 , Issue 1 , 2016

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Abstract:

The steroid receptor-associated TPR cochaperones FKBP51, FKBP52, CyP40 and PP5 have non-redundant roles in steroid receptor function that impact steroid hormone-binding affinity, nucleocyoplasmic shuttling and transcriptional activation of target genes in a tissue-specific manner. Aberrant expression of these TPR immunophilins has the potential to cause steroid-based diseases, including breast and prostate cancer, diabetes and metabolic disorders, male and female infertility and major depressive and neurodegenerative disorders. This review summaries the function of these proteins as cochaperones in steroid receptor-Hsp90 complexes and elaborates on their role in alternative, Hsp90-dependent and -independent signalling pathways not involving steroid receptors. The review also extensively covers current knowledge of the link between the steroid receptor-associated immunophilins and human disease. An improved understanding of their mechanisms of action has revealed opportunities for molecular therapies to enhance or inhibit cellular processes under their control that contribute both to human health and disease.

Keywords: Steroid receptor-associated TPR immunophilins, Heat shock protein 90 (Hsp90), steroid receptor signalling, Hsp90-dependent and -independent signalling, TPR cochaperones in health and disease, diabetes and metabolic disorders, neurodegenerative disease, therapeutic targeting.

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Article Details

VOLUME: 9
ISSUE: 1
Year: 2016
Page: [66 - 95]
Pages: 30
DOI: 10.2174/1874467208666150519113639

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