1 citations
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April 2022 in “Applied sciences” This study reports the development of a microemulsion using Momordica charantia extract, which demonstrated strong antioxidant and 5α-reductase inhibitory activity, potentially aiding hair loss management. The microemulsion was stable over 12 weeks, suggesting its future potential for cosmetic or pharmacological applications.
August 2021 in “International Journal of Research in Dermatology” This study observed that Amarantha hair oil contains β-sitosterol, which is suggested to promote hair growth.
December 2017 in “Dong-ui saengni byeongni hakoeji” This study found that Cynanchi Wilfordii Radix has strong antioxidant activity and may reduce key factors involved in male hair loss in dermal papilla cells.
25 citations
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November 2015 in “Journal of Ethnopharmacology” This study found that Cacumen platycladi extract significantly promoted hair growth and reduced dihydrotestosterone levels by inhibiting 5α-reductase activity in an androgen-sensitive mouse model.
![Synthesis and Activity of 8-Substituted Benzo[c]quinolizin-3-ones as Dual Inhibitors of Human 5α-Reductases 1 and 2](/images/assets/efc54340-66d6-4f27-9930-045ac023f903/small/15248.jpg)
9 citations
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November 2004 in “Bioorganic & Medicinal Chemistry Letters” This study identified potent dual inhibitors of 5α-reductases 1 and 2 that may aid in designing new drugs for related diseases.
This study reported that methanolic extracts from marine sponges, particularly Petrosia sp. and Agelas nakamurai, showed significant enzyme inhibitory activities, with Petrosia sp. exhibiting notable 5?-reductase inhibition.
![Synthesis and 5α-Reductase Inhibitory Activity of 8-Substituted Benzo[ƒ]Quinolinones Derived from Palladium Mediated Coupling Reactions](/images/assets/2aedba8c-b0ac-4fa3-9ac7-9f375a016bba/small/15581.jpg)
14 citations
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February 1998 in “Bioorganic & Medicinal Chemistry Letters” This study explored how modifying the 8-substituent of 8-bromobenzoquinolinone affects its selectivity in inhibiting both 5 alpha-reductase isozymes in the scalp.
10 citations
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January 2017 in “Journal of Evidence-Based Complementary & Alternative Medicine” This study found that several local vegetables from Northern Thailand demonstrated significant antioxidant and 5α-reductase inhibitory activities, suggesting their potential for development into health-promoting products.
8 citations
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July 2021 in “F1000Research” This review discusses the potential of plant-derived phytochemicals as alternatives to 5-alpha-Reductase inhibitors in treating prostate cancer, highlighting possible benefits like reduced side effects, but it reports no new findings.
1 citations
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March 2021 in “F1000Research” This review discusses plant-derived phytochemicals, such as phytosterols, polyphenols, and fatty acids, as potential alternatives to 5-alpha-reductase inhibitors for prostate cancer treatment, highlighting their promising anti-cancer properties and potentially fewer side effects compared to conventional drugs.
June 2021 in “F1000Research” This review explores plant-derived phytochemicals, such as phytosterols, polyphenols, and fatty acids, for their potential use as alternative treatments for prostate cancer, emphasizing their effects on 5-alpha-Reductase enzyme isozymes. It reports no new clinical results.
33 citations
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May 2013 in “Andrologia” This study identified several herbs, including Ganoderma lucidum and Urtica dioica, that showed promising 5α-reductase inhibitory activity suggesting potential use in managing androgenic disorders.
April 2011 in “Journal of Medicinal Plants Research” This study found that Ocimum basilicum L. showed the highest 5α-reductase inhibitory activity among ten Thai plants, despite no correlation between enzyme inhibition and total phenolic content.
3 citations
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June 2018 in “Bioorganic & medicinal chemistry” This study identified that derivatives 4, 4b, and 4c strongly inhibited the enzyme type 1 5α-reductase and decreased reproductive organ weights in hamsters, suggesting potential as prodrugs for prostate tumor growth inhibition.
January 2023 in “Rasayan journal of chemistry/Rasayan journal of Chemistry” This study suggests that compounds from Sansevieria trifasciata Prain may have promising potential as effective 5α-reductase inhibitors for alopecia treatment, outperforming finasteride in binding affinity tests.
50 citations
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August 1985 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” This study found that spironolactone directly inhibits 5 alpha-reductase activity in hirsute women, resulting in decreased conversion of testosterone to dihydrotestosterone, which may contribute to its therapeutic effects.
34 citations
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August 2011 in “Journal of Natural Medicines” This study found that Puerariae Flos extract inhibited testosterone 5α-reductase and promoted hair growth in mouse models, suggesting its potential use for treating androgenic alopecia.
28 citations
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February 1999 in “Archives of Dermatological Research” Finasteride potentially treats hair loss by reducing DHT production.
17 citations
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January 2013 in “Talanta” A new method was developed to accurately measure enzyme activity related to prostate health.
14 citations
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July 2016 in “Journal of Endocrinology” This study observed that equine epididymis mainly expresses the type 1 isoform of 5α-reductase and effectively converts progesterone and testosterone to DHP and DHT, while finasteride and dutasteride inhibited this activity.
6 citations
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April 2017 in “Frontiers in Pharmacology” This study found that several compounds from Yangxue Shengfa capsule may promote hair growth by enhancing cell proliferation in vitro, suggesting potential use in treating androgenetic alopecia.
4 citations
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January 2016 in “Journal of analytical & bioanalytical techniques” This study evaluated a hair growth gel with Hibiscus rosa sinensis, Eclipta alba, and Solanum nigrum extracts, demonstrating consistent homogeneity, 5 α-reductase inhibitory activity, and no skin irritation.
January 2004 in “Pharmaceutical biotechnology” This study found that finasteride effectively inhibits the enzymatic activity of human steroid 5 alpha reductase type II in newly established CHO cell lines.
38 citations
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January 2002 in “Biological & Pharmaceutical Bulletin” This study reported that the aqueous ethanol extract of Lygodii Spora demonstrated in vitro testosterone 5alpha-reductase inhibition and in vivo anti-androgenic activity, potentially due to oleic, linoleic, and palmitic acids.
18 citations
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December 2005 in “Journal of Medicinal Chemistry” In this study, novel substituted benzoyl benzoic acids and phenylacetic acids were potent and selective inhibitors of human steroid 5alpha-reductase type 2, with one compound showing promising bioavailability in rats for potential clinical evaluation.
17 citations
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March 2020 in “Frontiers in Chemistry” This study isolated new geranylated coumarins from Mammea siamensis flowers and found that several of these compounds inhibit testosterone 5α-reductase.
13 citations
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October 2005 in “Analytical Sciences” This study developed a method using LC/APCI-MS to measure the activity of steroid 5α-reductase, applied to kinetic studies and inhibitory tests with Finasteride in a rat prostatic enzyme model.
2 citations
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June 2022 in “Molecules” This study demonstrated that an ethanol extract of Connarus semidecandrus Jack showed potential anti-androgenic alopecia effects in a testosterone-induced model, suggesting a possible treatment option for hair loss.
2 citations
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January 2019 in “Annals of Dermatology” This preliminary study found that Melandrium firmum extract may promote hair growth and inhibit 5α-reductase, suggesting potential as a candidate for treating androgenetic alopecia.
20 citations
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March 2005 in “Current Medicinal Chemistry” This study reports that newly synthesized steroidal trienones exhibit higher 5α-reductase inhibitory activity than dienones in various biological models, suggesting potential use in treating androgen-dependent diseases.