NDLI: Inhibition of the DHT-induced PSA secretion by Verbascum xanthophoeniceum and Serenoa repens extracts in human LNCaP prostate epithelial cells.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Marcoccia, D. Georgiev, M. I. Alipieva, K. I. Lorenzetti, S.
Spatial Coverage	Turkey
Description	Author Affiliation: Marcoccia D ( Istituto Superiore di Sanità - ISS, Department of Food Safety and Veterinary Public Health, Food and Veterinary Toxicology Unit, viale Regina Elena 299, 00161 Rome, Italy); Georgiev MI ( Bulgarian Academy of Sciences, The Stephan Angeloff Institute of Microbiology, Laboratory of Applied Biotechnologies, Ruski 139 Boulevard, 4000 Plovdiv, Bulgaria. Electronic address: milengeorgiev@gbg.bg.); Alipieva KI ( Bulgarian Academy of Sciences, Institute of Organic Chemistry with Center of Phytochemistry, Acad. G. Bonchev Street, Boulevard 9, 1113 Sofia, Bulgaria. Electronic address: alipieva@orgchm.bas.bg.); Lorenzetti S ( Istituto Superiore di Sanità - ISS, Department of Food Safety and Veterinary Public Health, Food and Veterinary Toxicology Unit, viale Regina Elena 299, 00161 Rome, Italy. Electronic address: stefano.lorenzetti@iss.it.)
Abstract	ETHNOPHARMACOLOGICAL RELEVANCE: Verbascum xanthophoeniceum is a mullein plant, typical of Balkan region and some parts of Turkey, traditionally used as phytotherapeutic agent due to its anti-inflammatory properties. It is rich in phenylethanoid and iridoid metabolites whose anti-inflammatory properties are under characterization. MATERIALS AND METHODS: The role of Verbascum xanthophoeniceum crude methanolic extract and its isolated phenylethanoid glycoside verbascoside have been evaluated, in comparison to a saw palmetto extract, on a human in vitro model of androgen-regulated prostate epithelium, the LNCaP cell line. Cytotoxicity and DHT-induced free and total PSA secretion have been thoroughly studied. RESULTS: We have found that similar to saw palmetto, Verbascum xanthophoeniceum extract and its isolated phenylethanoid glycoside verbascoside have no cytotoxicity in human LNCaP prostate epithelial cells, whereas an inhibitory effect on the DHT-induced free and total PSA secretion, a recognized anti-androgen like activity, has been shown in case of both Verbascum xanthophoeniceum extract and pure verbascoside. Furthermore, in the absence of the endogenous androgen DHT, an androgen-like activity in Verbascum xanthophoeniceum is detectable as it is for saw palmetto, suggesting that a mixed androgen-antiandrogen activity is present. CONCLUSIONS: For the first time, Serenoa repens and Verbascum xanthophoeniceum extracts have shown an absence of cytotoxicity and an inhibitory effect on DHT-induced PSA secretion in an in vitro model of human prostate epithelium, whereas the phenylethanoid glycoside verbascoside appeared to explain only part of the Verbascum xanthophoeniceum inhibitory activity on PSA secretion.
File Format	HTM / HTML
ISSN	03788741
Issue Number	1
Volume Number	155
e-ISSN	18727573
Journal	Journal of Ethnopharmacology
Language	English
Publisher	Elsevier
Publisher Date	2014-08-08
Publisher Place	Ireland
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Ethnopharmacology Plant Extracts Pharmacology Prostate Drug Effects Serenoa Chemistry Verbascum Androgen Antagonists Isolation & Purification Androgens Anti-inflammatory Agents Cell Line Dihydrotestosterone Epithelial Cells Metabolism Glucosides Humans Male Phenols Cytology Prostate-specific Antigen Secretion Turkey Comparative Study Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Drug Discovery Pharmacology

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