Title |
Preventive and Therapeutic Efficacy of Finasteride and Dutasteride in TRAMP Mice
|
---|---|
Published in |
PLOS ONE, October 2013
|
DOI | 10.1371/journal.pone.0077738 |
Pubmed ID | |
Authors |
Alexander B. Opoku-Acheampong, Dave Unis, Jamie N. Henningson, Amanda P. Beck, Brian L. Lindshield |
Abstract |
The prostate cancer prevention trial (PCPT) and Reduction by dutasteride of Prostate Cancer Events (REDUCE) trial found that 5α-reductase (5αR) inhibitors finasteride and dutasteride respectively, decreased prostate cancer prevalence but also increased the incidence of high-grade tumors. 5αR2 is the main isoenzyme in normal prostate tissue; however, most prostate tumors have high 5αR1 and low 5αR2 expression. Because finasteride inhibits only 5αR2, we hypothesized that it would not be as efficacious in preventing prostate cancer development and/or progression in C57BL/6 TRAMP x FVB mice as dutasteride, which inhibits both 5αR1 and 5αR2. |
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