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Andrologia. 2020 Jan 28:e13516. doi: 10.1111/and.13516. [Epub ahead of print]

Inflammatory pathway employed by Red Maca to treat induced benign prostatic hyperplasia in rats.

Author information

1
Laboratory of Endocrinology and Reproduction, Faculty of Sciences and Philosophy, Universidad Peruana Cayetano Heredia, Lima, Peru.
2
Altitude Research Institute, Universidad Peruana Cayetano Heredia, Lima, Peru.

Abstract

Benign prostatic hyperplasia (BPH) is a pathology characterised by an increase in prostate size associated with low urinary tract symptoms. Finasteride (F), a 5a-reductase inhibitor, is the standard treatment for BPH reducing prostate weight but also sexual desire. The Peruvian plant known as Red Maca (RM) (Lepidium meyenii) inhibits BPH in rats and mice. The aim of the study was to assess the inflammatory effect of RM and finasteride in rats with testosterone enanthate (TE)-induced BPH. Thirty rats were divided into 5 groups: Control, TE (50 mg/rat), TE + F (0.6 mg/kg), and two groups of TE + RM 40/80 (40 or 80 mg). After treatments, tumour necrosis factor alpha (TNFa), interleukin 4 (IL4) and interferon gamma (INFg) as well as testosterone and oestradiol were evaluated and inflammatory cells (neutrophils, mast cells and lymphocytes) in prostate were quantified. Red Maca and finasteride treatments decreased inflammatory cells counts in prostate, inhibiting TNFa by different pathways. Finasteride increased IL4 whereas Red Maca increased INFg. In conclusion, data suggest that finasteride acts on Th2 response by increasing IL4 in prostate, while Red Maca acts on Th1 response mediated by INFg.

KEYWORDS:

Th1; Th2; cytokines; inflammatory cells; red maca

PMID:
31989657
DOI:
10.1111/and.13516

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