April 2024 in “Advances in Redox Research” In this study, researchers found that polysulfides in human hair keratin contribute to hair strength and antioxidant capacity, with sulfur supplementation enhancing hair strength and cuticle structure amid oxidative stresses such as UV radiation.
90 citations
,
July 2020 in “Stem Cell Research & Therapy” This study found that adipose-derived stem cell extracellular vesicles reduced wrinkles and promoted cell proliferation in UVB-induced photoaging in mice by decreasing oxidative stress and inflammation.
12 citations
,
April 2016 in “Chinese Medicine” The research identified 12 antioxidant compounds in Polygonum multiflorum roots, suggesting these as quality markers for the plant's processed roots.
8 citations
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January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
2 citations
,
September 2022 in “Cellular and molecular biology” In this study, Agaricus bisporus derived β-Glucan particles demonstrated antimicrobial, antioxidant, and anticancer effects against cervical cancer HeLa cells, suggesting potential as a therapeutic option.
1 citations
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March 2023 in “Applied sciences” This study found that essential oils boost hair growth activity in dermal papilla cells by scavenging reactive oxygen species and upregulating growth factor biomarkers.
15 citations
,
May 2009 in “Steroids” This study found that progesterone derivatives with chlorine or bromine substituents were effective in inhibiting 5α-reductase activity in human prostate and exhibited antiandrogenic effects in hamster flank organs.
7 citations
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July 2018 in “Biological & Pharmaceutical Bulletin” This study found that Phyllanthus urinaria extract displayed significant anti-alopecia properties in a mouse model, showing potential as an anti-5α-reductase agent for androgenic hair loss.
February 2024 in “Brain research bulletin” This study observed that inhibiting androgenic activity during early postnatal development significantly decreased body weight in female rats by day 90, while affecting food intake and fat distribution in both sexes based on the inhibited testosterone metabolic pathway.
September 2023 in “Biology of reproduction” This study suggests that the testosterone analogs 7α-Methyltestosterone and 7α-Ethyltestosterone may offer promising androgenic, progestogenic, and anabolic properties for development as male contraceptives.
12 citations
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March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
8 citations
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June 2017 in “Steroids” This study evaluated novel steroid compounds for their ability to inhibit 5α-reductase, showing that compound 16a significantly reduced rat prostate weight more than epristeride and exhibited excellent in vitro inhibitory potency, indicating its potential as a lead candidate for further benign prostatic hyperplasia drug research.
48 citations
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February 2025 in “Advanced Materials” This study found that a glucose-activated hydrogel significantly improved chronic diabetic wound healing by regulating blood glucose and enhancing the wound microenvironment, achieving a threefold increase in recovery rate compared to commercial dressings.
19 citations
,
March 2010 in “Steroids” This study found that specific steroids, particularly 5 and 7b, decreased growth of prostate and seminal vesicles and bound to the androgen receptor, showing comparable pharmacological activity to finasteride.
8 citations
,
March 2002 in “Archiv Der Pharmazie” In this study, 4-(4-(phenylaminocarbonyl)benzoyl) benzoic acid exhibited the strongest inhibitory activity against the human type 2 steroid 5α-reductase isozyme among the compounds tested.
September 2024 in “Journal of the American Academy of Dermatology” PRO-C22 can help diagnose and monitor the severity of hidradenitis suppurativa.
January 2021 in “Journal of cosmetology & trichology” This study assessed Ageratum conyzoides gel's efficacy in reducing hair loss and improving quality of life in adults with pattern baldness, finding that it decreased temporal recession and improved hair-related distress scores, with a significant reduction in 5α-reductase expression and PGD2 release in vitro.
September 2018 in “Journal of Experimental & Biomedical Sciences” This study found that DK peptides demonstrated potent inhibition of 5α-reductase, suggesting they may be promising candidates for treating hair loss.
70 citations
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July 2005 in “Journal of Ethnopharmacology” In this study, Ganoderma lucidum extract was found to significantly inhibit 5alpha-reductase activity and testosterone-induced prostate growth in rats, suggesting potential use for treating benign prostatic hyperplasia.
64 citations
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March 2006 in “Food Chemistry” In castrated rats, this study found that triterpenoids from Ganoderma lucidum inhibited both types of 5α-reductase and reduced prostate growth linked to testosterone but not dihydrotestosterone.
35 citations
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May 1986 in “Clinics in endocrinology and metabolism” This study concludes that high skin 5α-reductase activity may contribute to hirsutism, but the specific regulatory mechanisms and genetic factors remain unclear.
13 citations
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August 1995 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that the pH dependency of rat steroid 5α-reductase type II isozyme significantly affects its kinetic properties, including Vmax and Km, suggesting past discrepancies in literature may arise from these pH variances during assays.
July 2025 in “Reproductive Biology and Endocrinology” This study found that early postnatal androgen activity affects the long-term expression of hormone receptors differently in female Wistar rats, influencing neural system programming during development.
May 2023 in “Scientific Reports” This study found that Lepidium sativum seed extract showed potential in treating alopecia in rats by reducing 5(alpha)-dihydrotestosterone levels and improving hair length compared to minoxidil.
3 citations
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December 2016 in “KSBB Journal” This study found that a herbal medicine increased hair growth in a mouse model, showing strong antioxidant activity and similar 5-alpha-reductase inhibition to finasteride without cytotoxicity in human dermal papilla cells.
1 citations
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October 2020 in “Current Drug Discovery Technologies” This study investigated various synthesized 5-reductase inhibitors and found that compound 6 had the highest anti-androgenic activity and receptor affinity compared to finasteride, showing potential due to its improved efficacy and bioavailability for further research in treating lower urinary tract symptoms.
January 2018 in “Journal of Food Biosciences and Technology” This study found that ethanol-based extracts of Allium sativum and Trigonella foenum-graecum exhibited strong 5α-reductase inhibitory activity, suggesting potential for managing testosterone-induced diseases like androgenetic alopecia.
May 2022 in “Current Enzyme Inhibition” This study found that the synthesized compound 7b exhibited higher 5α-reductase inhibitory activity, increased solubility, and dissolution compared to finasteride, suggesting its potential as a lead compound for benign prostatic hyperplasia treatment.
59 citations
,
January 2003 in “Phytomedicine” This study found that a cream containing 2% Fennel extract reduced hair diameter in idiopathic hirsutism patients more effectively than a cream with 1% Fennel or a placebo.
32 citations
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July 2018 in “FEBS letters” In this study, researchers identified the CBL1-CIPK26 Ca 2+ sensor-kinase complexes as key modulators of the NADPH oxidase RBOHC crucial for root hair differentiation in plants.