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Monday, 15 October 2018

Oral Supplements Modulation of Dietary Polyaromatic Hydrocarbon Levels in Prostate Cancer Patients in Ibadan, Nigeria


                                      http://austinpublishinggroup.com/cancer-clinical-research/



The levels of dietary poly aromatic hydrocarbon and Total anti-oxidant Status (TAS) in the serum of 30 prostate cancer patients compared with 30 apparently healthy controls were measured to study the contribution of this toxicant in the aetiology of prostate cancer. Prostate Specific Antigen (PSA), Benzo {a} pyrene (BaP) and Total antioxidant Status (TAS) were analysed using standard methods. Benzo {a} pyrene was analyzed using high performance liquid chromatographic technique (HPLC).

The results showed significantly higher mean levels of PSA (ng/ml) (144.6 ± 556.0) in participants with prostate cancer compared to the controls (5.2 ± 9.7) respectively (p<0.05). Conversely, there was a significant decrease in the mean levels of BaP (μg/ml) (0.4 ± 0.2 versus 0.7 ± 0.2 and TAS (mmol/L) (11.7 ± 1.6 versus 12.9 ± 1.0)in participants with prostate cancer compared to the controls. There was a positive correlation of BaP with the frequency of smoked fish intake in participants with prostate cancer compared with the controls (0.630, p < 0.000 versus 0.117, p <0.537). A significantly reduced level of BaP was observed in participants and controls on oral supplements compared with those otherwise. Logistic regression to correct for supplement intake showed an indirect relationship with BaP (-6.367, p <0.05). There was no significant variation in the mean levels of all the anthropometric measurements between the cases and the controls (p> 0.05).

Increased consumption of smoked foods, reduced TAS and resultant oxidative stress may contribute to the aetiology of prostate cancer while supplements ingestion may ameliorate benzo (a) pyrene level in some individual. Prostate cancer, whose risk increases with age remains the most frequently diagnosed malignancy and the second leading cause of cancer-related mortality among males. It is the most diagnosed cancer among Nigerian men. Since the incidence of cancer increases with age, the number of newly diagnosed cases and death continues to rise as the life expectancy of the general population increases.

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