November 2022 in “Journal of the Endocrine Society” In this case study, a woman with high 25(OH)D levels and persistent symptoms showed decreased parathormone after transdermal estrogen therapy, highlighting the importance of assessing both parathormone and estrogen levels in similar patients.
1 citations
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December 2012 in “Papers on Anthropology” This study found that psoriatic skin lesions commonly express the cytokines IL-6, IL-8, and TNF-alpha along with a moderate presence of the antimicrobial protein defensin.
30 citations
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August 1993 in “PubMed” This study found that IL-1 alpha inhibits the growth of cultured human hair follicles and hair fibers, suggesting a potential role in inflammatory hair loss conditions like alopecia areata.
16 citations
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January 2018 in “International Journal of Trichology” In this study, minoxidil significantly downregulated interleukin-1 alpha expression in human keratinocyte cells, suggesting an anti-inflammatory effect that may be a mechanism of action in treating alopecia.
7 citations
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February 2023 in “Inflammation and Regeneration” This study found that IL-1α promotes hair follicle regeneration and stem cell activation in an age-dependent manner by modulating inflammatory cells and oxidative stress in mice.
April 2026 in “Dove Medical Press (Taylor and Francis Group)” This study found that Myrtus communis leaf extract significantly decreased IL-1α and increased VEGF gene expressions in human keratinocytes, which may relate to the plant's traditional uses for hair loss and wound healing, though further research is needed to explore these effects.
April 2026 in “SHILAP Revista de lepidopterología” In this study, Myrtus communis leaf extract significantly reduced IL-1α expression and increased VEGF expression in human keratinocytes, which the researchers suggest may be linked to its traditional use in treating hair loss and wound healing. Further investigation is needed to clarify its mechanisms.
3 citations
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January 2022 in “Precision medicine and clinical omics” This study reports that using molecular docking methods, beta-sitosterol and stigmasterol from Serenoa repens were identified as potential natural inhibitors of the 5AR1 enzyme, which could serve as novel treatments for androgenetic alopecia based on their inhibitory action observed in a laboratory setting.
November 2023 in “Scientific reports” This study presents the first report on cloning and characterizing the full-length cDNA of SRD5A1 in Indian catfish (Clarias magur), revealing expression differences across reproductive phases and increased expression post-Ovatide administration in ovaries and testis.
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.
8 citations
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January 2020 in “International Journal of Cosmetic Science” This study found that applying a combination of pyridine‐2, 4‐dicarboxylic acid diethyl ester and resveratrol significantly increased hair density in Caucasian women after 1.5 months, potentially due to their synergistic effect on the HIF‐1α pathway.
6 citations
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August 1996 in “The Journal of Clinical Endocrinology and Metabolism” MK-386 and finasteride together effectively reduce DHT levels, potentially treating acne and male pattern baldness.
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.
1 citations
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August 2021 in “Journal of Investigative Dermatology” ASLAN004 was safe and well-tolerated, supporting further development for treating certain diseases.
27 citations
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February 2005 in “Journal of Cellular Biochemistry” This study found that rat male costochondral chondrocytes, unlike female chondrocytes, respond to testosterone through metabolism to dihydrotestosterone, which shows a maturation-state dependent effect in male growth plate cells.
12 citations
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April 1995 in “Journal of Medicinal Chemistry” In this study, 4-substituted N-(1,1-dimethylethyl)-3-oxo-4-androstene-17.beta.-carboxamides were synthesized and evaluated in vitro as potential 5 alpha-reductase inhibitors and antiandrogens.
4 citations
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November 2022 in “Frontiers in endocrinology” This study found that intracrine androgen signaling via 5α-reductase is essential for optimal endometrial decidualization and vascular development during this process in mice.
May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that intracrine androgen signaling, mediated by steroid 5α-reductase, is essential for optimal decidualization and vascular development in the endometrium during pregnancy, indicating potential targets for improving age-related fertility issues.
December 2014 in “ScholarSpace (University of Hawaii at Manoa)” In this study, researchers observed that HIF1α is expressed in germ cells throughout fetal and neonatal development, suggesting it may regulate telomerase activity and maintain the undifferentiated state of stem/progenitor cells.
August 2008 in “European Neuropsychopharmacology” RY-023, a specific drug, can improve early stage memory learning without affecting general activity in rats, but it's less effective for later learning stages and doesn't impact memory recall.
13 citations
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October 2016 in “Acta Biochimica et Biophysica Sinica” This study found that GhPLDα1 in upland cotton may be involved in fiber development, correlating with increased hydrogen peroxide and cellulose biosynthesis during secondary cell wall thickening.
7 citations
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August 1996 in “The Journal of Clinical Endocrinology and Metabolism”
January 2023 in “Annals of Dermatology” This study found that alopecia areata patients with a CCHCR1 gene variant had higher recurrence rates and structural abnormalities in hair compared to those without the variant.
August 2025 in “ACS Omega” This study synthesized and evaluated hydroxycinnamate derivatives for their ability to inhibit human SRD5A1, finding that three compounds showed significant inhibitory activity and low cytotoxicity. Compound 10a notably reduced SRD5A1 protein expression in cells, suggesting potential for nonsteroidal treatment of androgen-related conditions.
July 2024 in “Fitoterapia” This study found that Camellia oleifera seed shell polyphenols and 1,3,6-tri-O-galloylglucose improved androgenetic alopecia symptoms in mice by reducing DHT levels and activating specific hair growth pathways.
This study found that in sleep-deprived rats, increased 5α-reductase expression and activity in the prefrontal cortex contributed to psychosis- and mania-like symptoms, which finasteride ameliorated in a dose-dependent manner.
1 citations
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January 2014 in “Journal of Dermatology and Venereology” In this study, a plant extract from Northeastern Turkey demonstrated potential for preventing hair loss by downregulating inflammation and androgen production and promoting hair growth in HaCaT cell models.
49 citations
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January 2004 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” This review discusses the development and selectivity of 5 alpha-reductase inhibitors, particularly non-steroidal ones, and reports no new clinical trial results.
This study identified distinct and significant adverse event patterns across different drug classes used to treat benign prostatic hyperplasia, confirming known risks and suggesting novel safety signals for further investigation.
This study analyzed the FDA Adverse Event Reporting System and found distinct safety signals and adverse event patterns among α1-blockers, 5α-reductase inhibitors, and tadalafil used in treating benign prostatic hyperplasia, emphasizing known risks and identifying potential new ones that require further study.