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J Steroid Biochem Mol Biol. 2013 Sep;137:136-49. doi: 10.1016/j.jsbmb.2013.05.012. Epub 2013 Jun 6.

AKR1C3 as a target in castrate resistant prostate cancer.

Author information

1
Department of Pharmacology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6061, USA.

Abstract

Aberrant androgen receptor (AR) activation is the major driver of castrate resistant prostate cancer (CRPC). CRPC is ultimately fatal and more therapeutic agents are needed to treat this disease. Compounds that target the androgen axis by inhibiting androgen biosynthesis and or AR signaling are potential candidates for use in CRPC treatment and are currently being pursued aggressively. Aldo-keto reductase 1C3 (AKR1C3) plays a pivotal role in androgen biosynthesis within the prostate. It catalyzes the 17-ketoreduction of weak androgen precursors to give testosterone and 5α-dihydrotestosterone. AKR1C3 expression and activity has been implicated in the development of CRPC, making it a rational target. Selective inhibition of AKR1C3 will be important, however, due to the presence of closely related isoforms, AKR1C1 and AKR1C2 that are also involved in androgen inactivation. We examine the evidence that supports the vital role of AKR1C3 in CRPC and recent developments in the discovery of potent and selective AKR1C3 inhibitors. This article is part of a Special Issue entitled 'CSR 2013'.

KEYWORDS:

Androgens; Nonsteroidal anti-inflammatory drugs; Prostaglandin F synthase; Prostate cancer; Type 5 17β-hydroxysteroid dehydrogenase

PMID:
23748150
PMCID:
PMC3805777
DOI:
10.1016/j.jsbmb.2013.05.012
[Indexed for MEDLINE]
Free PMC Article

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