Summary
Emodin, an anthraquinone compound found in plants like Polygonum multiflorum Thunb, is notable for its 5α-reductase inhibitory activity. This enzyme plays a crucial role in the conversion of testosterone to dihydrotestosterone (DHT), a process implicated in androgen-dependent conditions such as androgenetic alopecia (AGA) and benign prostatic hyperplasia (BPH). Research highlights emodin's efficacy in surpassing certain compounds like alizarin in inhibitory action, though it is less potent than others like riboflavin. The unique effectiveness of emodin is attributed to its chemical structure, where the hydroxyl group significantly enhances its biological activity. Emodin's role in inhibiting the 5α-reductase enzyme suggests its therapeutic potential, mainly providing an alternative to conventional treatments that may have adverse side effects. Further, emodin's interaction with androgen receptors and pathways demonstrates its possible application in managing conditions related to excessive androgen activity. By reducing DHT production, emodin helps alleviate symptoms associated with AGA and BPH without the side effects common with pharmaceutical alternatives like finasteride, known for causing issues such as erectile dysfunction. The compound's plant-based nature offers an appealing approach to those seeking more natural remedies, potentially leading to wider acceptance for treating hair loss and prostatic disorders.
TCM ingredients were screened for 5αR inhibitors and hair growth promotion. CP-ext showed significant results.
Published By:
B Zhang, R Zhang, X Yin, Z Lao, Z Zhang, Q Wu… - Journal of …, 2016 - Elsevier
AGA prevalence is rising worldwide, attributed to genetics, androgens, and secondary factors. Traditional remedies show potential, but active compound levels and absorption are often inadequate.
Published By:
NJ Sadgrove - Journal of ethnopharmacology, 2018 - Elsevier
Excessive 5α-reductase activity causes hair follicle shrinkage, leading to hair loss. Herbal extracts show promise in inhibiting 5α-reductase with fewer side effects than current treatments.
Published By:
AK Chakrabarty, D Banerjee, RK Rai… - … Journal of Ayurveda …, 2024 - journals.lww.com
Emodin from Polygonum multiflorum shows significant 5α-reductase inhibition. It's more effective than alizarin but less than riboflavin.
Published By:
CH Cho, JS Bae, YU Kim - Journal of acupuncture and meridian studies, 2010 - Elsevier
Alpinia officinarum rhizome extract inhibits 5α-reductase. Four active diarylheptanoids identified.
Published By:
Y Kim, HK Son, HK Song, MJ Ahn, SS Lee… - Planta …, 2003 - thieme-connect.com
SC extract reduces prostate size by inhibiting 5α-reductase and inducing apoptosis in BPH. It may serve as a potential treatment for benign prostatic hyperplasia.
Published By:
S Karunasagara, GL Hong, DY Jung, KH Kim, K Cho… - PLoS …, 2020 - journals.plos.org
DHT causes hair loss, and type II 5α-reductase converts testosterone into DHT. This study established a model using HEK293 cells to screen inhibitors of type II 5α-reductase.
Published By:
S Jang, Y Lee, SL Hwang, MH Lee, SJ Park… - The Journal of Steroid …, 2007 - Elsevier
Natural DHT blockers like pumpkin seed oil and rosemary oil may aid hair growth but are less effective than medications. They can be used alongside prescribed treatments for pattern baldness.
Published By:
X Why, H Care, DHTB Shampoo, V Hasson, C Han… - xyonhealth.com
Minoxidil and finasteride are FDA-approved for male AGA, but new treatments are being explored. More research is needed on their safety and effectiveness.
Published By:
AK Gupta, M Talukder, G Williams - Expert Opinion on Emerging …, 2024 - Taylor & Francis
Polygonum multiflorum Thunb extract showed potent 5α-reductase inhibitory activity. Emodin, the active compound, was more effective than alizarin.
Published By:
CH Cho, JS Bae, YU Kim - Journal of acupuncture and meridian studies, 2010 - Elsevier