Background: Benign prostate hyperplasia (BPH) is frequently found in the elderly and significantly impacts the quality of life. One of the risk factors that induce BPH is the androgen hormone. One of the effective medications in reducing the severity of Lower Urinary Tract Symptoms caused by BPH is the α-adrenergic receptor 5α-reductase inhibitor. Objective: The study aims to see the effect of long-term dutasteride on the expression of the PKC-α enzyme in prostatic stromal tissue in the BPH Model of Wistar strain Rattus norvegicus rats. Method: This study was an experimental, post-test-only, control group design that used randomization in sample selection. The objective is to measure the expression of PKC-α enzyme from prostate tissue of an adult male Wistar Strain of Rattus Novergicus rat that was given testosterone to induce BPH and given dutasteride in 1,3 and 6 days continuously. Data is shown in mean±SD, and all of the data were analyzed using the software SPSS 21st version with the One Way ANOVA Statistical method after fulfilling the normality test and variant homogeneity test. Data analysis with confidence rate 95% and a=0,05. Results: There was a decrease of PKC-α enzyme and prostate weight in dutasteride monotherapy in 1,3,6 days compared to the positive control, and the lowest value was on the sixth day (SD ± 2876.8). There was a constant decrease of PKC-α enzyme from the first day until the sixth day. Conclusion : In conclusion, long-term dutasteride monotherapy could significantly decrease the level of PKC-α enzyme. There was no upregulation of the PKC-α enzyme in the long term of dutasteride monotherapy.
Key words: BPH, Dutasteride, PKC-Alpha.
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