Journal of ethnopharmacology · 2020
Pfaffia glomerata hydroalcoholic extract stimulates penile tissue in adult Swiss mice.
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Dias Fernanda Carolina Ribeiro, Gomes Marcos de Lucca Moreira, Melo Fabiana Cristina Silveira Alves de, Menezes Tatiana Prata, Martins Ana Luiza, Cupertino Marli do Carmo, Otoni Wagner Campos, Matta Sérgio Luis Pinto da
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: Roots of Pfaffia glomerata are used in traditional medicine as aphrodisiacs and sexual stimulants.
AIM OF THE STUDY: The aim of this study was to evaluate the action of the hydroalcoholic extract from the roots of Pfaffia glomerata on the Leydig cells, cavernous bodies and other penile constituents, as well as on serum testosterone and 17β-estradiol levels of adult mice.
MATERIALS AND METHODS: Mature male Swiss mice were divided into 6 groups: control (water), sildenafil citrate, 3 groups receiving daily doses of P. glomerata extract (100, 200 and 400 mg/kg) and one group receiving intermittent doses of P. glomerata (200 mg/kg/3-3d).
RESULTS: The proportions of blood vessels, lymphatic space and estradiol levels were increased. On the other hand, reduction of testosterone levels due to Leydig cells death was observed. As for penile parameters, volumetric proportions of cavernous bodies, collagen and nitric oxide were increased, while smooth muscle content was decreased.
CONCLUSIONS: Despite that the long term intake of P. glomerata extract was related to a stimulant action, reduction on Leydig cell viability induced decreased testosterone production.
AIM OF THE STUDY: The aim of this study was to evaluate the action of the hydroalcoholic extract from the roots of Pfaffia glomerata on the Leydig cells, cavernous bodies and other penile constituents, as well as on serum testosterone and 17β-estradiol levels of adult mice.
MATERIALS AND METHODS: Mature male Swiss mice were divided into 6 groups: control (water), sildenafil citrate, 3 groups receiving daily doses of P. glomerata extract (100, 200 and 400 mg/kg) and one group receiving intermittent doses of P. glomerata (200 mg/kg/3-3d).
RESULTS: The proportions of blood vessels, lymphatic space and estradiol levels were increased. On the other hand, reduction of testosterone levels due to Leydig cells death was observed. As for penile parameters, volumetric proportions of cavernous bodies, collagen and nitric oxide were increased, while smooth muscle content was decreased.
CONCLUSIONS: Despite that the long term intake of P. glomerata extract was related to a stimulant action, reduction on Leydig cell viability induced decreased testosterone production.