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BMC Complementary Medicine and Therapies
Published in: BMC Complementary Medicine and Therapies 1/2016

Open Access 01-12-2015 | Research article

Identification of a new plant extract for androgenic alopecia treatment using a non-radioactive human hair dermal papilla cell-based assay

Authors: Ruchy Jain, Orawan Monthakantirat, Parkpoom Tengamnuay, Wanchai De-Eknamkul

Published in: BMC Complementary Medicine and Therapies | Issue 1/2016

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Abstract

Background

Androgenic alopecia (AGA) is a major type of human scalp hair loss, which is caused by two androgens: testosterone (T) and 5α-dihydrotestosterone (5α-DHT). Both androgens bind to the androgen receptor (AR) and induce androgen-sensitive genes within the human hair dermal papilla cells (HHDPCs), but 5α-DHT exhibits much higher binding affinity and potency than T does in inducing the involved androgen-sensitive genes. Changes in the induction of androgen-sensitive genes during AGA are caused by the over-production of 5α-DHT by the 5α-reductase (5α-R) enzyme; therefore, one possible method to treat AGA is to inhibit this enzymatic reaction.

Methods

RT-PCR was used to identify the presence of the 5α-R and AR within HHDPCs. A newly developed AGA-relevant HHDPC-based assay combined with non-radioactive thin layer chromatography (TLC) detection was used for screening crude plant extracts for the identification of new 5α-R inhibitors.

Results

HHDPCs expressed both 5α-R type 1 isoform of the enzyme (5α-R1) and AR in all of the passages used in this study. Among the thirty tested extracts, Avicennia marina (AM) displayed the highest inhibitory activity at the final concentration of 10 μg/ml, as the production of 5α-DHT decreased by 52 % (IC50 = 9.21 ± 0.38 μg/ml).

Conclusions

Avicennia marina (AM) was identified as a potential candidate for the treatment of AGA based on its 5α-R1-inhibitory activity.
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Metadata
Title
Identification of a new plant extract for androgenic alopecia treatment using a non-radioactive human hair dermal papilla cell-based assay
Authors
Ruchy Jain
Orawan Monthakantirat
Parkpoom Tengamnuay
Wanchai De-Eknamkul
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Complementary Medicine and Therapies / Issue 1/2016
Electronic ISSN: 2662-7671
DOI
https://doi.org/10.1186/s12906-016-1004-5

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