November 2023 in “ACS Omega” This study reported that a novel cationic liposome formulation for delivering encapsulated Cas9 protein and sgRNA successfully decreased SRD5α2 mRNA expression by 29.7% in vitro, suggesting a potential alternative treatment option for conditions like prostate cancer and benign prostatic hyperplasia without current drug side effects.
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.
13 citations
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September 2017 in “Life sciences” This study suggests that androgen receptor signaling might regulate cellular behavior in bladder urothelial carcinoma, with decreased receptor and enzyme presence potentially linked to tumor progression.
This review discusses the potential benefits of the Restolin Hair Supplement for hair growth and reports no clinical results, with the authors noting that the claims are not supported by FDA approval or clinical trials.
1 citations
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August 2020 in “Food Research” This review discusses management strategies for androgenic alopecia using plant derivatives and highlights the need for prolonged efficacy but reports no new clinical findings.
In this study, finasteride reduced the severity of dopaminergic behavior manifestations in rats without causing extrapyramidal side effects, unlike other antidopaminergic agents.
1 citations
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January 2015 in “Elsevier eBooks” This review discusses the potential antiandrogenic effects of environmental chemicals on reproductive development, highlighting concerns about their impacts on humans but reports no new clinical findings.
May 2025 in “Frontiers in Bioinformatics” This study used computational methods to identify six molecules, with jamogenin being particularly promising, that effectively bind to and inhibit the enzyme linked to male pattern hair loss, suggesting these compounds could be explored further for hair growth potential.
May 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” In this computational study, researchers identified six phytochemicals, including Jamogenin, that effectively bind to the enzyme 5-AR, potentially promoting hair growth, and found that encapsulating Jamogenin in lipid nanoparticles enhances its stability.
May 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” In this study, computational analysis identified six molecules, including Jamogenin, as effective in binding to the enzyme 5-alpha reductase (5-AR) from herbal extracts like nettle, saw palmetto, and fenugreek, suggesting potential for hair loss treatments.
1 citations
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August 2019 in “Journal of Investigative Dermatology” PRDX5 enzyme may contribute to alopecia areata by affecting oxidative stress and autoimmunity.
48 citations
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January 2011 in “Neuropharmacology” Isolation stress in rats reduces brain enzyme levels, affecting dopamine function.
2 citations
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November 2018 in “Indian Journal of Pharmaceutical Education” This study designed a novel model for 5a-reductase enzyme inhibitors using pharmacophore and 3D QSAR techniques, potentially allowing for improved prediction and development of drug therapies targeting benign prostatic hyperplasia.
11 citations
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May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study reported that 5 alpha-reductase type 2 is the predominant enzyme in pubic skin fibroblasts across normal men, women, and hirsute patients, suggesting potential treatment options for idiopathic hirsutism.
53 citations
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June 1993 in “Proceedings of the National Academy of Sciences of the United States of America” This study identified LY191704 as a specific noncompetitive inhibitor of human 5 alpha-reductase type 1, which may be useful in treating endocrine disorders related to DHT overproduction.
This study observed that using only a 5 alpha-reductase inhibitor was ineffective for treating androgen-dependent hair loss in women, possibly due to differing copper levels influencing enzyme activity.
26 citations
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April 2019 in “Journal of Cosmetic Dermatology” This review discusses the potential of herbal treatments like Saw palmetto, Green tea, and Rosemary as alternatives to conventional drugs for androgenetic alopecia, noting that these herbs may inhibit the 5-alpha-reductase enzyme and reduce hair loss with fewer side effects.
January 2024 in “Brazilian Journal of Hair Health” This integrative literature review suggests that phytotherapeutic products, like Saw palmetto and Green tea, could serve as viable alternatives to current medications like finasteride for treating androgenetic alopecia, potentially offering fewer side effects.
July 2001 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” This article reviews the potential causes of insufficient androgen action during fetal development, such as enzyme and receptor gene mutations or environmental disruptors, but reports no new results.
4 citations
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October 2020 in “Toxicology Mechanisms and Methods” This study found that in male rats, hesperidin co-administration ameliorated finasteride-induced testicular toxicity by reducing oxidative stress and improving antioxidant status, sperm parameters, and enzyme activity compared to finasteride treatment alone.
4 citations
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April 2001 in “Experimental Dermatology” This study used a novel HPLC-radiomatic flow scintillation system to measure 5α-reductase activity in dermal papillae from miniaturized hair follicles of the human occipital scalp, revealing significant variability in enzyme activity across samples.
December 2023 in “International journal of molecular sciences” This in vitro study found sex chromosome differences affect steroidogenic enzyme activity and androgen receptor expression in human skeletal muscle cells, showing varied responses to testosterone exposure between 46XY and 46XX cells.
11 citations
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May 2009 in “Medical Hypotheses” This paper proposes a theory explaining how the normal anabolic effects of androgens lead to structural changes and hair follicle miniaturization, contributing to androgenic alopecia.
April 2026 in “Inflammation and Regeneration” This study found that androgen inactivation pathways in scalp sebaceous glands change with age, specifically noting that AKR1C expression, including AKR1C4 previously thought liver-specific, declines with age and is sex dependent, which could impact hair follicle health during aging.
22 citations
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December 2010 in “Journal of Cosmetic Dermatology” The authors concluded that finasteride treatment inhibits hippocampal neurogenesis in mice, potentially impacting emotional behaviors and contributing to the pathophysiology of affective disorders.
100 citations
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September 2017 in “Molecular and Cellular Endocrinology” This review discusses the molecular mechanisms of androgens and androgen receptors in skin disorders, particularly androgenetic alopecia, and reports no new clinical results; it highlights potential areas for future treatment development.
In this study, researchers found that crude extracts from Avicennia marina and its component avicequinone C inhibit mechanisms contributing to androgenic alopecia in vitro, including 5α-reductase activity and DHT-AR interactions, potentially promoting hair growth and delaying the catagen phase in human dermal papilla cells.
2 citations
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January 2019 in “Biomedical Journal of Scientific and Technical Research” This article describes the growth and characteristics of saw palmetto and its fruit but reports no new research results.
153 citations
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April 2009 in “Urology” This article reviews potential prevention and intervention strategies for prostate cancer, including 5alpha-reductase inhibition, but reports no new clinical findings.
December 2022 in “Journal of applied biological chemistry” In this study, Betula platyphylla extract, particularly fraction H3-2, promoted human derma papilla cell proliferation and increased expression of certain growth factors, suggesting potential benefits for hair loss prevention.