Steroid Receptor-Associated Immunophilins: A Gateway to Steroid Signalling

Tom Ratajczak, Carmel Cluning, Bryan Ward

Research output: Contribution to journalArticle

16 Citations (Scopus)


The steroid receptor-associated immunophilins FKBP51, FKBP52, CyP40 and PP5 have specific roles in steroid receptor function that impact steroid hormone-binding affinity, nucleocytoplasmic shuttling and transcriptional activation of target genes in a tissue-specific manner. Aberrant expression of these functionally unique immunophilins has the potential to cause steroidbased diseases, including breast and prostate cancer, diabetes and related metabolic disorders, male and female infertility and major depressive disorders. This review addresses the function of these proteins as co-chaperones in steroid receptor-Hsp90 complexes and 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 immunophilin control that contribute both to human health and disease.
Original languageEnglish
Pages (from-to)31-52
JournalClinical Biochemist Reviews
Issue number2
Publication statusPublished - 2015

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